CN209799798U - Nuclear shielding sealing door - Google Patents
Nuclear shielding sealing door Download PDFInfo
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- CN209799798U CN209799798U CN201821959078.6U CN201821959078U CN209799798U CN 209799798 U CN209799798 U CN 209799798U CN 201821959078 U CN201821959078 U CN 201821959078U CN 209799798 U CN209799798 U CN 209799798U
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- door
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- door leaf
- short cylinder
- nuclear
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Abstract
The utility model relates to a nuclear power station containment subassembly specifically says so and installs on the nuclear power station containment for the nuclear shielding sealing door of personnel business turn over. It is characterized by that it includes a short cylinder used as door frame, on the cylinder bottom of said short cylinder a door opening is set, on the door opening a door leaf is set, and the door leaf is hinged on the cylinder bottom of said short cylinder. And in the closed state, the door leaf is in sealed fit with the door opening. Reinforcing ribs are arranged on the inner side surface of the door leaf and the inner side wall of the cylinder bottom of the short cylinder; core shielding material is arranged on the door leaf and the short cylinder. The sealing door has the advantages of good shielding effect, light weight and convenience in installation.
Description
Technical Field
the utility model relates to a nuclear power station containment subassembly specifically says so and installs on the nuclear power station containment for the nuclear shielding sealing door of personnel business turn over.
Background
The containment vessel is a structure that contains the reactor and some important equipment, is an important barrier to prevent radioactive materials from leaking out, and protects the internal equipment from external events. Personnel locks are important penetrations in the containment vessel that allow personnel to safely enter and exit the containment vessel during the construction, operation and shutdown of the nuclear power plant without compromising the containment sealing performance. The personnel lock comprises a nuclear shielding sealing door.
at present, the traditional nuclear shielding sealing door comprises a steel door frame and a steel door plate, and cement protective layers are arranged on the door frame and the door plate. The nuclear shielding sealing door utilizes the door frame, the door plate and the cement protective layer to absorb nuclear radiation to achieve the shielding function. However, steel materials and cement materials have poor nuclear radiation absorbing and shielding effects. In order to ensure the shielding effect and strength, a thicker door frame, a thicker door plate and a thicker cement protective layer are required to be arranged, so that the whole sealing door is heavier and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a nuclear shielding sealing door, this sealing door's shielding effect is better, and is lighter, simple to operate.
In order to solve the problems, the following technical scheme is provided:
The utility model discloses a characteristics of nuclear shielding sealing door are including the short drum that is used as the door frame, have the door opening on the bobbin base of short drum, have the door leaf on the door opening, and the door leaf articulates on the bobbin base of short drum. And in the closed state, the door leaf is in sealed fit with the door opening. Reinforcing ribs are arranged on the inner side surface of the door leaf and the inner side wall of the cylinder bottom of the short cylinder; core shielding material is arranged on the door leaf and the short cylinder.
The door opening is a waist-shaped hole which is vertically arranged, and the shape of the door leaf is matched with that of the door opening.
The periphery of the inner surface of the door opening is provided with an annular enclosing plate, the annular enclosing plate is positioned in the short cylinder, and the caliber of the annular enclosing plate is gradually reduced from the annular edge connected with the door opening to the other annular edge. The periphery of the inner surface of the door leaf is provided with an annular closing plate, and the caliber of the annular closing plate is gradually reduced from the annular edge connected with the door leaf to the other annular edge, so that the annular closing plate is matched with the annular enclosing plate.
And connecting plates are arranged between the periphery of the annular edge of the annular enclosing plate far away from the door opening and the inner side wall of the short cylinder, and the nuclear shielding material on the cylinder bottom of the short cylinder is filled in the section of the short cylinder among the connecting plates, the annular enclosing plate and the cylinder bottom of the short cylinder.
The annular edge of the annular sealing plate far away from the door leaf is provided with a baffle plate, and nuclear shielding material on the door leaf is filled among the door leaf, the baffle plate and the annular sealing plate.
The door leaf has the annular outward flange that stretches out all around, has outer annular groove and interior annular groove in proper order on the inside wall of annular outward flange, all has ring type seal in the outer annular groove and in the interior annular groove, there is the measurement hole on the annular outward flange, has the intercommunicating pore that is linked together with the measurement hole on that section annular outward flange medial surface between outer annular groove and interior annular groove, has the measurement pressure head in the measurement hole.
The outer side wall of the cylinder bottom of the short cylinder corresponding to the vertical edge of the door leaf is provided with a vertically arranged pin shaft, the pin shaft is in rotating fit with the short cylinder, and the pin shaft is connected with the outer side wall of the door leaf through a connecting rod, so that the door leaf is hinged to the cylinder bottom of the short cylinder.
By adopting the scheme, the method has the following advantages:
because the utility model discloses a nuclear shielding sealing door has the door opening including the short drum that is used as the door frame on the bobbin base of short drum, door leaf on the door opening, and door leaf articulates on the bobbin base of short drum, all is provided with the strengthening rib on the medial surface of door leaf and on the inside wall of short drum bobbin base, all has nuclear shielding material on the door leaf and on the short drum. The nuclear shielding sealing door utilizes the nuclear shielding material to absorb the nuclear radiation, and the nuclear shielding material has better effect of absorbing the nuclear radiation, thereby greatly improving the shielding effect. Moreover, the strength of the door leaf and the short cylinder can be greatly improved by utilizing the reinforcing ribs, and the shielding effect of the nuclear shielding material is better, so that the thicker short cylinder and the door leaf are not required to be arranged, the whole nuclear shielding sealing door is lighter and convenient to install.
Drawings
Fig. 1 is a schematic structural view of the nuclear shielding sealing door of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
Fig. 3 is a schematic perspective view of the nuclear shielding sealing door of the present invention in a closed state;
Fig. 4 is a schematic perspective view of the nuclear shielding sealing door of the present invention in the open state.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIG. 1 ~ 4, the nuclear shielding sealing door of the present invention comprises a short cylinder 1 used as a door frame, a door opening 15 is provided on the bottom of the short cylinder 1, a door leaf 2 is provided on the door opening 15, the door leaf 2 is hinged on the bottom of the short cylinder 1. in the closed state, the door leaf 2 is in sealing fit with the door opening 15, reinforcing ribs are provided on the inner side surface of the door leaf 2 and the inner side wall of the bottom of the short cylinder 1, and the nuclear shielding material 5 is provided on the door leaf 2 and the short cylinder 1.
In order to reduce stress concentration, the door opening 15 is a waist-shaped hole which is vertically arranged, and the shape of the door leaf 2 is matched with the door opening 15.
In order to prevent the sealing door from generating interference phenomenon in the opening and closing processes, the periphery of the inner surface of the door opening 15 is provided with an annular enclosing plate 7, the annular enclosing plate 7 is positioned in the short cylinder 1, and the caliber of the annular enclosing plate 7 is gradually reduced from the annular side connected with the door opening 15 to the other annular side. The periphery of the inner surface of the door leaf 2 is provided with an annular closing plate 9, and the caliber of the annular closing plate 9 is gradually reduced from the annular edge connected with the door leaf 2 to the other annular edge, so that the annular closing plate 9 is matched with the annular enclosing plate 7.
And a connecting plate 6 is arranged between the periphery of the annular edge of the annular enclosing plate 7 far away from the door opening 15 and the inner side wall of the short cylinder 1, and the nuclear shielding material 5 on the cylinder bottom of the short cylinder 1 is filled in the section of the short cylinder 1 among the connecting plate 6, the annular enclosing plate 7 and the cylinder bottom of the short cylinder 1.
The annular edge of the annular sealing plate far away from the door leaf 2 is provided with a baffle plate 8, and the nuclear shielding material 5 on the door leaf 2 is filled among the door leaf 2, the baffle plate 8 and the annular sealing plate.
In order to monitor the sealing effect, an annular outer flange 201 extending outwards is arranged around the door leaf 2, an outer annular groove 13 and an inner annular groove 14 are sequentially arranged on the inner side wall of the annular outer flange 201, annular sealing rings 12 are respectively arranged in the outer annular groove 13 and the inner annular groove 14, a measuring hole 10 is formed in the annular outer flange 201, a communicating hole 11 communicated with the measuring hole 10 is formed in the inner side surface of the section of the annular outer flange 201 between the outer annular groove 13 and the inner annular groove 14, and a measuring pressure head 16 is arranged in the measuring hole 10.
The outer side wall of the barrel bottom of the short barrel 1 corresponding to one vertical edge of the door leaf 2 is provided with a vertically arranged pin shaft 4, the pin shaft 4 is in rotating fit with the short barrel 1, and the pin shaft 4 is connected with the outer side wall of the door leaf 2 through a connecting rod 3, so that the door leaf 2 is hinged to the barrel bottom of the short barrel 1.
The nuclear shielding material 5 is a lead plate and polyethylene or lead boron polyethylene.
the utility model discloses a nuclear shielding sealing door utilizes nuclear shielding material 5 to absorb the nuclear radiation line, and the effect that nuclear shielding material 5 absorbed the nuclear radiation line is better, therefore, has improved shielding effect greatly. Moreover, the strength of the door leaf 2 and the short cylinder 1 can be greatly improved by utilizing the reinforcing ribs, and the shielding effect of the nuclear shielding material 5 is better, so that the thicker short cylinder 1 and the door leaf 2 are not required to be arranged, the whole nuclear shielding sealing door is lighter and convenient to install.
Claims (7)
1. A nuclear shielding sealing door is characterized by comprising a short cylinder (1) used as a door frame, wherein a door opening (15) is formed in the cylinder bottom of the short cylinder (1), a door leaf (2) is arranged on the door opening (15), and the door leaf (2) is hinged to the cylinder bottom of the short cylinder (1); in a closed state, the door leaf (2) is in sealing fit with the door opening (15); reinforcing ribs are arranged on the inner side surface of the door leaf (2) and the inner side wall of the cylinder bottom of the short cylinder (1); the door leaf (2) and the short cylinder (1) are both provided with core shielding materials (5).
2. The nuclear-shielding sealing door as claimed in claim 1, characterized in that the door opening (15) is a vertically arranged kidney-shaped hole, and the shape of the door leaf (2) is adapted to the door opening (15).
3. The nuclear shielding sealing door as claimed in claim 2, characterized in that the periphery of the inner surface of the door opening (15) is provided with an annular enclosing plate (7), the annular enclosing plate (7) is positioned in the short cylinder (1), and the caliber of the annular enclosing plate (7) is gradually reduced from one annular edge connected with the door opening (15) to the other annular edge; the periphery of the inner surface of the door leaf (2) is provided with an annular closing plate (9), and the caliber of the annular closing plate (9) is gradually reduced from the annular edge connected with the door leaf (2) to the other annular edge, so that the annular closing plate (9) is matched with the annular enclosing plate (7).
4. The nuclear shielding sealing door as claimed in claim 3, characterized in that a connecting plate (6) is arranged between the periphery of the annular edge of the annular enclosing plate (7) far away from the door opening (15) and the inner side wall of the short cylinder (1), and the nuclear shielding material (5) on the bottom of the short cylinder (1) is filled in the section of the short cylinder (1) between the connecting plate (6), the annular enclosing plate (7) and the bottom of the short cylinder (1).
5. The nuclear-shielding sealing door as claimed in claim 3, wherein the annular edge of the annular sealing plate which is far away from the door leaf (2) is provided with a baffle (8), and the nuclear shielding material (5) on the door leaf (2) is filled between the door leaf (2), the baffle (8) and the annular sealing plate.
6. The nuclear shielding sealing door as claimed in claim 1, wherein the periphery of the door leaf (2) is provided with an outward extending external annular flange (201), the inner side wall of the external annular flange (201) is sequentially provided with an external annular groove (13) and an internal annular groove (14), the internal of the external annular groove (13) and the internal of the internal annular groove (14) are respectively provided with an annular sealing ring (12), the external annular flange (201) is provided with a measuring hole (10), the internal side surface of the section of the external annular flange (201) between the external annular groove (13) and the internal annular groove (14) is provided with a communication hole (11) communicated with the measuring hole (10), and the measuring hole (10) is internally provided with a measuring pressure head (16).
7. The nuclear shielding sealing door as claimed in claim 1 ~ 6, wherein the outer side wall of the bottom of the short cylinder (1) corresponding to one vertical edge of the door leaf (2) is provided with a vertically arranged pin shaft (4), the pin shaft (4) is in rotating fit with the short cylinder (1), and the pin shaft (4) is connected with the outer side wall of the door leaf (2) through a connecting rod (3) so that the door leaf (2) is hinged on the bottom of the short cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959078.6U CN209799798U (en) | 2018-11-27 | 2018-11-27 | Nuclear shielding sealing door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959078.6U CN209799798U (en) | 2018-11-27 | 2018-11-27 | Nuclear shielding sealing door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209799798U true CN209799798U (en) | 2019-12-17 |
Family
ID=68816720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821959078.6U Active CN209799798U (en) | 2018-11-27 | 2018-11-27 | Nuclear shielding sealing door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209799798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538090A (en) * | 2018-11-27 | 2019-03-29 | 无锡海核装备科技有限公司 | A kind of nuclear screening hermatic door |
| CN112002451A (en) * | 2020-08-20 | 2020-11-27 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Peeping window suitable for containment vessel of nuclear power station and application method thereof |
-
2018
- 2018-11-27 CN CN201821959078.6U patent/CN209799798U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538090A (en) * | 2018-11-27 | 2019-03-29 | 无锡海核装备科技有限公司 | A kind of nuclear screening hermatic door |
| CN112002451A (en) * | 2020-08-20 | 2020-11-27 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Peeping window suitable for containment vessel of nuclear power station and application method thereof |
| CN112002451B (en) * | 2020-08-20 | 2022-04-29 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Peeping window suitable for containment vessel of nuclear power station and application method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 203, Furong Zhongsi Road, Xishan District, Wuxi City, Jiangsu Province Patentee after: WUXI HAIHE EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 214191 No.22, dongbeitang east section, Xigang Road, Xishan District, Wuxi City, Jiangsu Province Patentee before: WUXI HAIHE EQUIPMENT TECHNOLOGY Co.,Ltd. |