CN114165631B - Room top release panel - Google Patents
Room top release panel Download PDFInfo
- Publication number
- CN114165631B CN114165631B CN202111517881.0A CN202111517881A CN114165631B CN 114165631 B CN114165631 B CN 114165631B CN 202111517881 A CN202111517881 A CN 202111517881A CN 114165631 B CN114165631 B CN 114165631B
- Authority
- CN
- China
- Prior art keywords
- valve plate
- pin
- fixed
- frame
- bolt
- 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.)
- Active
Links
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 238000010008 shearing Methods 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 24
- 238000002955 isolation Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/02—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a room roof pressure relief panel, comprising: the embedded part is positioned in a floor slab at the top of the room, and the bottom of the embedded part is L-shaped; the frame is fixed on the bottom of the embedded part through a countersunk hexagon screw; one end of the valve plate is fixed with a connecting block, the other end of the valve plate is fixed with a lifting lug, and a handle is fixed above the valve plate; a shear pin assembly secured to the frame; the limiting component is used for being connected with the handle after the valve plate is opened, and preventing the valve plate from being closed under the action of gravity after being opened; the first bolt is used for fixing the hinge; the connecting blocks are hinged with the frame through hinges; the lifting lug is connected with the shear pin assembly through the shear pin. The problem that the working condition that leakage is not allowed in a certain pressure difference range of a room of a pressurized water reactor nuclear power station cannot be met in the prior art is solved.
Description
Technical Field
The invention belongs to the technical field of pressure relief valves, and relates to a pressure relief panel at the top of a room.
Background
The most used pressure relief in the nuclear power ventilation system is a residual pressure valve and a gravity pressure relief valve at present, and the two valves are self-driven (gravity) to be closed, so that the opening degree is automatically adjusted along with the pressure fluctuation of a room or a pipeline, and the working condition that the outside leakage is not allowed in a certain pressure difference range of the room of the pressurized water reactor nuclear power station cannot be met.
Disclosure of Invention
In order to achieve the above purpose, the embodiment of the invention provides a pressure relief panel at the top of a room, which solves the problem that the prior art cannot meet the working condition that the outside leakage is not allowed in a certain pressure difference range of a room of a pressurized water reactor nuclear power station.
In order to solve the technical problems, the invention adopts the technical scheme that the pressure relief panel at the top of a room comprises:
the embedded part is positioned in a floor slab at the top of the room, and the bottom of the embedded part is L-shaped;
the frame is fixed on the bottom of the embedded part through a countersunk hexagon screw;
one end of the valve plate is fixed with a connecting block, the other end of the valve plate is fixed with a lifting lug, and a handle is fixed above the valve plate;
a shear pin assembly secured to the frame;
the limiting component is used for being connected with the handle after the valve plate is opened, and preventing the valve plate from being closed under the action of gravity after being opened;
the first bolt is used for fixing the hinge;
the connecting blocks are hinged with the frame through hinges; the lifting lug is connected with the shear pin assembly through a shear pin.
Further, the method further comprises the following steps:
the isolation cover is assembled below the valve plate through screws;
the isolation cover rubber gasket is used for sealing a gap at the joint between the valve plate and the isolation cover;
the isolation cover rubber gasket is fixed between the valve plate and the isolation cover through screws, and the lowest end of the isolation cover is flush with the lowest end of the embedded part.
Further, the shear pin assembly includes:
the shearing base is used for installing the sliding block;
the adjusting bolt is used for propping up the sliding block;
the positioning folded plate is used for preventing the sliding block from moving longitudinally and is positioned between the shearing base and the sliding block;
a nut for tightening the shear pin;
the sliding block is positioned in a longitudinal rectangular hole formed in the shearing base; a transverse rectangular groove is formed between the shearing base and the sliding block and used for installing the lifting lug; the shearing pin is positioned in the reserved holes of the sliding block and the lifting lug, and the tail end of the shearing pin is fastened through a nut; the adjusting bolt is arranged in the bolt hole at the top of the shearing base and is tightly propped against the sliding block through the positioning folded plate, and the adjusting bolt is provided with a locking nut.
Further, the structure of the right half part and the structure of the left half part of the limiting assembly are symmetrical along the longitudinal central line of the limiting assembly, and the left half part of the limiting assembly comprises:
the main board is fixedly connected with the connecting plate through a third bolt;
the first auxiliary supporting plate is sequentially connected with the baffle plate and the second auxiliary supporting plate through cylindrical pins;
the cotter pin is positioned in the pin hole at the tail end of the cylindrical pin;
the sleeve is sleeved on the cylindrical pin;
a coil spring mounted on the sleeve;
the first locating pin is arranged on the first auxiliary supporting plate;
the second locating pin is arranged on the baffle;
the limit bolt is used for preventing the baffle from rotating reversely;
wherein the connecting plate is fixed on the embedded part; the first auxiliary supporting plate and the second auxiliary supporting plate are vertically fixed on the main board; the sleeve is positioned between the first auxiliary supporting plate and the baffle; the first positioning pin and the second positioning pin are used for limiting the two ends of the coil spring respectively; the limit bolt is positioned in the first auxiliary supporting plate and is in threaded connection with a limit nut fixed on the bottom surface of the first auxiliary supporting plate, and the limit bolt is clung to the baffle plate.
Further, the method further comprises the following steps:
the rectangular sealing ring is arranged in the rectangular sealing groove of the embedded part and is used for sealing a gap at the joint between the embedded part and the frame.
Further, the method further comprises the following steps:
the rubber sealing ring is positioned in the U-shaped groove arranged above the frame and is used for sealing a gap at the joint between the frame and the valve plate.
Further, the shear pin assembly is secured to the frame by a second bolt and a spring washer.
Further, the positioning folded plate is of a bending structure with all sides perpendicular to each other, and the shearing base and the sliding block are attached.
The beneficial effects of the invention are as follows:
the structure is simple, the action is flexible, the pre-tight sealing can be realized by adjusting the adjusting bolt of the shear pin assembly when the pressure relief panel is closed, and the sealing is reliable; the valve plate cannot be opened under the action of the shear pin in a certain pressure difference range, so that the working condition that leakage is not allowed in a certain pressure difference range of a room of the nuclear power station is satisfied; the handle of the valve plate is blocked by the baffle plate of the limiting component after the pressure is released, so that the smoothness of the air passage is kept.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a pressure relief panel of an embodiment of the present invention.
Fig. 2 is a partial top view of fig. 1.
Fig. 3 is a partial enlarged view a of fig. 1.
Fig. 4 is a partial enlarged view b of fig. 1.
Fig. 5 is a front view of a spacing assembly according to an embodiment of the present invention.
Fig. 6 is a view from the side of fig. 5.
Fig. 7 is a B-B cross-sectional view of fig. 6.
Fig. 8 is a front view of a valve plate and its associated parts according to an embodiment of the present invention.
Fig. 9 is a top view of fig. 8.
Fig. 10 is a front view of a shear pin assembly according to an embodiment of the present invention.
Fig. 11 is a cross-sectional view A-A of fig. 10.
FIG. 12 is a pressure relief panel opening view of an embodiment of the present invention.
In the figure, a limiting assembly 1, an embedded part 2, a first bolt 3, a hinge 4, a countersunk hexagon screw 5, a frame 6, a screw 7, a valve plate 8, a shielding case 9, a shielding case 10, a shielding case rubber gasket 11, a rectangular sealing ring 12, a rubber sealing ring 13, a shear pin assembly 14, a second bolt 15 and a spring gasket. 1-1 parts of a main plate, 1-2 parts of a first auxiliary supporting plate, 1-3 parts of a cylindrical pin, 1-4 parts of a cotter pin, 1-5 parts of a coil spring, 1-6 parts of a baffle plate, 1-7 parts of a first positioning pin, 1-8 parts of a sleeve, 1-9 parts of a connecting plate, 1-10 parts of a third bolt, 1-11 parts of a limit nut, 1-12 parts of a limit bolt, 1-13 parts of a second auxiliary supporting plate and 1-14 parts of a second positioning pin. 8-1 connecting blocks, 8-2 handles and 8-3 lifting lugs; 13-1 of an adjusting bolt, 13-2 of a lock nut, 13-3 of a sliding block, 13-4 of a shearing base, 13-5 of a shearing pin, 13-6 of a nut and 13-7 of a positioning folded plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-11, the invention provides a pressure relief panel at the top of a room, which comprises an embedded part 2, wherein the embedded part 2 is positioned in a floor slab at the top of the room; the bottom of the embedded part 2 is L-shaped, and a frame 6 is fixed on the bottom of the embedded part 2 through a countersunk hexagon screw 5; one end of the valve plate 8 is fixed with a connecting block 8-1, the connecting block 8-1 is hinged with the frame 6 through a hinge 4, and the hinge 4 is respectively fixed on the connecting block 8-1 and the frame 6 through a first bolt 3; the other end of the valve plate 8 is fixedly provided with a lifting lug 8-3; the lifting lug 8-3 is connected with the shearing pin assembly 13 fixed on the frame 6 through the shearing pin 13-5, when the pressure born by the valve plate 8 is larger than the maximum shearing force born by the shearing pin 13-5, the shearing pin 13-5 is sheared by the lifting lug 8-3, and the valve plate 8 is opened; the handle 8-2 is fixed on the valve plate 8 and is used for being connected with the limiting component 1 after the valve plate 8 is opened, so that the valve plate 8 is prevented from being closed under the action of gravity.
Further, a rectangular sealing groove is arranged above the bottom of the embedded part 2, and a rectangular sealing ring 11 is installed in the rectangular sealing groove and used for sealing a gap at the joint between the embedded part 2 and the frame 6.
Further, a U-shaped groove is arranged above the frame 6 and is used for installing a rubber sealing ring 12 so as to seal a gap at the joint between the valve plate 8 and the frame 6.
Further, the isolation cover 9 and the isolation cover rubber gasket 10 are assembled on the lower side of the valve plate 8 through the bolts 7, so as to protect the valve plate 8; the isolation cover rubber gasket 10 is located between the valve plate 8 and the isolation cover 9 and is used for sealing a gap at the joint between the valve plate 8 and the isolation cover 9, and the lowest end of the isolation cover 9 is flush with the lowest end of the embedded part 2.
Further, as shown in fig. 10-11, the shear pin assembly 13 further includes an adjusting bolt 13-1, a lock nut 13-2, a slider 13-3, and a shear base 13-4; a longitudinal rectangular hole is formed in the shearing base 13-4 and used for installing the sliding block 13-3; a transverse rectangular groove is formed between the shearing base 13-4 and the sliding block 13-3 and is used for installing the lifting lug 8-3; the shearing pin 13-5 passes through the slider 13-3 and the reserved hole of the lifting lug 8-3, and then is fastened by the nut 13-6 at the tail end of the shearing pin 13-5, so that the shearing pin 13-5 is prevented from sliding off; the adjusting bolt 13-1 penetrates through a bolt hole at the top of the shearing base 13-4 and tightly pushes the sliding block 13-3 through the positioning folded plate 13-7, namely, the shearing pin 13-5 is indirectly fixed, and the shearing pin 13-5 is prevented from moving up and down; the positioning flap 13-7 is used to prevent the slider 13-3 from moving longitudinally; the lock nut 13-2 is mounted on the adjusting bolt 13-1 for locking.
Further, as shown in fig. 5-8, the left half part of the limiting assembly 1 comprises a main board 1-1 and a first auxiliary supporting board 1-2, and the main board 1-1 and the connecting board 1-9 are fixedly connected through a third bolt 1-10 and then welded on the embedded part 2; the first auxiliary supporting plate 1-2 and the second auxiliary supporting plate 1-13 are vertically welded on the main plate 1-1; the first auxiliary supporting plate 1-2 is sequentially connected with the baffle plate 1-6 and the second auxiliary supporting plate 1-13 through the cylindrical pin 1-3, and the cotter pin 1-4 is arranged in a pin hole at the tail end of the cylindrical pin 1-3 to prevent the cylindrical pin 1-3 from falling off; the sleeve 1-8 is sleeved on the cylindrical pin 1-3 and is positioned between the first auxiliary supporting plate 1-2 and the baffle plate 1-6, so that the abrasion of the cylindrical pin caused by the fact that the coil spring 1-5 is directly arranged on the cylindrical pin is prevented; the coil springs 1-5 are arranged on the sleeves 1-8; the first auxiliary supporting plate 1-2 is provided with a first locating pin 1-7, the baffle plate 1-6 is provided with a second locating pin 1-14, and the two locating pins are used for limiting two ends of the coil spring 1-5 respectively; the limit bolt 1-12 passes through the first auxiliary supporting plate 1-2 and is connected with the limit nut 1-11 welded on the bottom surface of the first auxiliary supporting plate 1-2 through threads, and the limit bolt 1-12 is tightly attached to the baffle plate 1-6; the structure of the right half part and the structure of the left half part of the limiting assembly 1 are symmetrical along the longitudinal midline of the limiting assembly 1. When the valve plate 8 is opened, the baffle plate 1-6 is subjected to external force from the handle 8-2, rotates around the cylindrical pin 1-3, and when the external force disappears, the baffle plate 1-6 can return rapidly under the action of the elasticity of the coil spring 1-5; the limit bolt 1-12 is used for preventing the baffle plate 1-6 from rotating under the action of the gravity of the valve plate 8 and the elasticity of the coil spring 1-5, so that the handle 8-2 falls off and the valve plate 8 is closed;
preferably, the positioning folded plate 13-7 has a ㄣ -shaped structure with mutually perpendicular sides, and can perfectly attach the shearing base 13-4 and the sliding block 13-3.
Preferably, the shear pin assembly 13 is secured to the frame 6 by a second bolt 14 and a spring washer 15.
The working process of the embodiment of the invention is as follows: when the pressure relief panel works normally, the pressure relief panel is in a closing position, as shown in fig. 1, the holes of the lifting lugs 8-3 of the valve plate 8 are flush with the holes on the two sides of the sliding block 13-3, the shearing pin 13-5 in the shearing pin assembly 13 penetrates through the three holes, the pre-tightening force is applied to the shearing pin 13-5 through the sliding block 13-3 by pre-tightening the adjusting bolt 13-1, and then the valve plate 8 is pressed against the rubber sealing ring 12 through the shearing pin 13-5, so that the sealing of the pressure relief panel during closing is completed. When the pressure in the room exceeds the set limit value, the valve plate 8 is subjected to upward pressure of a medium, the lifting lug 8-3 moves upwards, the shearing pin 13-5 is subjected to shearing force from the lifting lug 8-3, when the shearing force is large to a certain extent, the shearing pin 13-5 is sheared, the valve plate 8 is sprung by upward pressure, the handle 8-2 on the valve plate 8 collides with the baffle plate 1-6 of the limiting assembly 1 tangentially at the moment of spring opening, the baffle plate 1-6 rotates due to the spring force of the coil spring 1-5, the handle 8-2 enters the space of the baffle plate 1-6 and is blocked by the baffle plate 1-6, the valve plate 8 is kept open, the pressure relief panel is opened, and the open schematic diagram is shown in fig. 12. When the pressure relief panel needs to be closed again, the limit bolts 1-12 are screwed out, the valve plate 8 is closed by gravity, then the baffle plate 1-6 is reset, and the limit bolts 1-12 are screwed back.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (6)
1. A room roof pressure relief panel, comprising:
the embedded part (2) is positioned in a floor slab at the top of the room, and the bottom of the embedded part is L-shaped;
the frame (6) is fixed on the bottom of the embedded part (2) through a countersunk hexagon screw (5);
a valve plate (8), one end of which is fixed with a connecting block (8-1), the other end of which is fixed with a lifting lug (8-3), and the upper part of which is fixed with a handle (8-2);
a shear pin assembly (13) fixed to the frame (6);
the limiting assembly (1) is used for being connected with the handle (8-2) after the valve plate (8) is opened, so that the valve plate (8) is prevented from being closed under the action of gravity after being opened;
the first bolt (3) is used for fixing the hinge (4);
wherein the connecting block (8-1) is hinged with the frame (6) through a hinge (4); the lifting lug (8-3) is connected with the shear pin assembly (13) through a shear pin (13-5);
the shear pin assembly (13) comprises:
a shear base (13-4) for mounting the slider (13-3);
the adjusting bolt (13-1) is used for propping up the sliding block (13-3);
a positioning folded plate (13-7) for preventing the sliding block (13-3) from moving longitudinally and being positioned between the shearing base (13-4) and the sliding block (13-3);
a nut (13-6) for tightening the shear pin (13-5);
wherein the sliding block (13-3) is positioned in a longitudinal rectangular hole formed in the shearing base (13-4); a transverse rectangular groove is formed between the shearing base (13-4) and the sliding block (13-3) and used for installing the lifting lug (8-3); the shearing pin (13-5) is positioned in the reserved holes of the sliding block (13-3) and the lifting lug (8-3), and the tail end of the shearing pin (13-5) is fastened through the nut (13-6); the adjusting bolt (13-1) is positioned in a bolt hole at the top of the shearing base (13-4) and is tightly propped against the sliding block (13-3) through the positioning folded plate (13-7), and the adjusting bolt (13-1) is provided with a locking nut (13-2);
the structure of the right half part of the limiting assembly (1) and the structure of the left half part are symmetrical along the longitudinal central line of the limiting assembly (1), and the left half part of the limiting assembly (1) comprises:
the main board (1-1) is fixedly connected with the connecting board (1-9) through a third bolt (1-10);
the first auxiliary supporting plate (1-2) is sequentially connected with the baffle (1-6) and the second auxiliary supporting plate (1-13) through cylindrical pins (1-3);
the cotter pin (1-4) is positioned in a pin hole at the tail end of the cylindrical pin (1-3);
the sleeve (1-8) is sleeved on the cylindrical pin (1-3);
a coil spring (1-5) mounted on the sleeve (1-8);
the first locating pin (1-7) is arranged on the first auxiliary supporting plate (1-2);
the second locating pin (1-14) is arranged on the baffle plate (1-6);
the limit bolts (1-12) are used for preventing the baffle plates (1-6) from rotating reversely;
wherein the connecting plates (1-9) are fixed on the embedded part (2); the first auxiliary supporting plate (1-2) and the second auxiliary supporting plate (1-13) are vertically fixed on the main board (1-1); the sleeve (1-8) is positioned between the first auxiliary supporting plate (1-2) and the baffle (1-6); the first locating pins (1-7) and the second locating pins (1-14) are used for limiting two ends of the coil springs (1-5) respectively; the limiting bolt (1-12) is positioned in the first auxiliary supporting plate (1-2) and is connected with a limiting nut (1-11) fixed on the bottom surface of the first auxiliary supporting plate (1-2) through threads, and the limiting bolt (1-12) is tightly attached to the baffle plate (1-6).
2. The room top pressure relief panel of claim 1, further comprising:
the isolation cover (9) is assembled below the valve plate (8) through a screw (7);
the isolation cover rubber gasket (10) is used for sealing a gap at the joint between the valve plate (8) and the isolation cover (9);
the isolation cover rubber gasket (10) is fixed between the valve plate (8) and the isolation cover (9) through the screw (7), and the lowest end of the isolation cover (9) is flush with the lowest end of the embedded part (2).
3. The room top pressure relief panel of claim 1, further comprising:
the rectangular sealing ring (11) is arranged in the rectangular sealing groove of the embedded part (2) and is used for sealing a gap at the joint between the embedded part (2) and the frame (6).
4. The room top pressure relief panel of claim 1, further comprising:
the rubber sealing ring (12) is positioned in a U-shaped groove arranged above the frame (6) and is used for sealing a gap at the joint between the frame (6) and the valve plate (8).
5. A room roof pressure relief panel according to claim 1, wherein the shear pin assembly (13) is secured to the frame (6) by means of a second bolt (14) and a spring washer (15).
6. A roof pressure relief panel according to claim 1, characterized in that the positioning flaps (13-7) are of a bent structure with mutually perpendicular sides, and are fitted with a shearing base (13-4) and a slider (13-3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111517881.0A CN114165631B (en) | 2021-12-13 | 2021-12-13 | Room top release panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111517881.0A CN114165631B (en) | 2021-12-13 | 2021-12-13 | Room top release panel |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114165631A CN114165631A (en) | 2022-03-11 |
CN114165631B true CN114165631B (en) | 2023-12-12 |
Family
ID=80486178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111517881.0A Active CN114165631B (en) | 2021-12-13 | 2021-12-13 | Room top release panel |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114165631B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107218421A (en) * | 2017-07-28 | 2017-09-29 | 江苏华洋新思路能源装备股份有限公司 | Passive relief panel of the nuclear power generating sets with drain function |
CN109869513A (en) * | 2019-04-02 | 2019-06-11 | 中煤科工集团重庆研究院有限公司 | Rotary type explosion flame partition device |
CN213512255U (en) * | 2020-08-31 | 2021-06-22 | 广东纤力玻璃钢有限公司 | Glass fiber reinforced plastic pressure relief device |
DE102020105682A1 (en) * | 2020-03-03 | 2021-09-09 | Adams Gmbh | Valve flap |
DE102021107997A1 (en) * | 2020-03-30 | 2021-09-30 | Otto Egelhof Gmbh & Co. Kg | Valve arrangement and switching valve for regulating a mass flow |
JP6949264B1 (en) * | 2021-06-24 | 2021-10-13 | 株式会社日立プラントコンストラクション | Blowout panel device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10520100B2 (en) * | 2016-12-28 | 2019-12-31 | Ge-Hitachi Nuclear Energy Americas Llc | Dual-alloy pyrotechnic-actuated valve assembly |
-
2021
- 2021-12-13 CN CN202111517881.0A patent/CN114165631B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107218421A (en) * | 2017-07-28 | 2017-09-29 | 江苏华洋新思路能源装备股份有限公司 | Passive relief panel of the nuclear power generating sets with drain function |
CN109869513A (en) * | 2019-04-02 | 2019-06-11 | 中煤科工集团重庆研究院有限公司 | Rotary type explosion flame partition device |
DE102020105682A1 (en) * | 2020-03-03 | 2021-09-09 | Adams Gmbh | Valve flap |
DE102021107997A1 (en) * | 2020-03-30 | 2021-09-30 | Otto Egelhof Gmbh & Co. Kg | Valve arrangement and switching valve for regulating a mass flow |
CN213512255U (en) * | 2020-08-31 | 2021-06-22 | 广东纤力玻璃钢有限公司 | Glass fiber reinforced plastic pressure relief device |
JP6949264B1 (en) * | 2021-06-24 | 2021-10-13 | 株式会社日立プラントコンストラクション | Blowout panel device |
Also Published As
Publication number | Publication date |
---|---|
CN114165631A (en) | 2022-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN114165631B (en) | Room top release panel | |
US8230931B2 (en) | Lifting device and method for lifting a bonnet | |
CN204664533U (en) | A kind of inflation film building precompressed Decompression valves and use the inflation film building of this Decompression valves | |
CA2207535C (en) | Mullion latch | |
CN202249460U (en) | Danger avoidance airtight door | |
JP2019086322A (en) | Blowout device | |
CN204098730U (en) | Fast-open type detecting gate | |
KR101553571B1 (en) | Swing type floodgate for underground parking lot ramp and construction method thereof | |
CN201302831Y (en) | Device of components arranged on the external of protective casing | |
CN210400442U (en) | Test equipment | |
CN214401893U (en) | Pin removing device of well lid | |
KR200466726Y1 (en) | Braking system for a freight train | |
CN219283297U (en) | Foreign matter blocking prevention plate special for steam generator | |
CN213654647U (en) | People's air defense door with anti-aging function | |
CN212479329U (en) | Full-automatic airtight door | |
CN218293488U (en) | Power module of drilling machine body | |
CN221842778U (en) | Control box easy to install | |
CN213393763U (en) | Protective structure of single-seat regulating valve | |
CN219953150U (en) | Sealing door capable of tolerating high temperature and high pressure and error of fault-tolerant axis | |
CN212563169U (en) | Be used for flow protocol conversion equipment between oil field valves | |
CN221422987U (en) | Locking mechanism, opening and closing device with locking mechanism and box-type substation | |
CN104674767A (en) | Spent fuel pool gate | |
CN219217151U (en) | Elevator control cabinet occupying no space | |
CN215553578U (en) | Engine cover for bulldozer | |
CN214532372U (en) | Intelligence lock panel protection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: No.69, Shitong Road, Luquan District, Shijiazhuang City, Hebei Province 050200 Applicant after: Shijiazhuang Xianchu Nuclear Equipment Co.,Ltd. Address before: 050222 No.69, Shitong Road, Luquan District, Shijiazhuang City, Hebei Province Applicant before: SHIJIAZHUANG NO.1 VALVE FACTORY CO.,LTD. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |