CN114962798A - Cabin penetrating structure of mechanical penetrating piece for titanium alloy radiation shielding cabin - Google Patents
Cabin penetrating structure of mechanical penetrating piece for titanium alloy radiation shielding cabin Download PDFInfo
- Publication number
- CN114962798A CN114962798A CN202210457109.2A CN202210457109A CN114962798A CN 114962798 A CN114962798 A CN 114962798A CN 202210457109 A CN202210457109 A CN 202210457109A CN 114962798 A CN114962798 A CN 114962798A
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- cabin
- penetrating
- penetrating piece
- radiation shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 61
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 61
- 230000005855 radiation Effects 0.000 title claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 15
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 3
- 230000035515 penetration Effects 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229910000619 316 stainless steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000002775 capsule Substances 0.000 claims 7
- 239000004693 Polybenzimidazole Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229920002480 polybenzimidazole Polymers 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a cabin penetrating structure of a mechanical penetrating piece for a titanium alloy radiation shielding cabin, which comprises: the titanium alloy bulkhead is provided with a through hole; the cabin inner shielding layer is attached to the inner surface of the titanium alloy cabin wall, and a pre-buried sleeve is arranged in the cabin inner shielding layer; the penetrating piece pipe section penetrates through the embedded sleeve and extends out of the through hole, and a protective layer for heat insulation and pressure relief is arranged between the penetrating piece pipe section and the embedded sleeve; and the composite connecting plate is welded on the outer surface of the titanium alloy bulkhead and is welded and sealed with the extending part of the penetrating piece pipe section. The cabin penetrating structure of the mechanical penetrating piece for the titanium alloy radiation shielding cabin realizes reliable connection of the stainless steel penetrating piece and the titanium alloy cabin wall, guarantees radiation shielding performance and sealing performance, is suitable for high-temperature and high-pressure environments, meets the cabin penetrating requirement of the titanium alloy cabin, and is low in cost compared with the titanium alloy penetrating piece.
Description
Technical Field
The invention relates to the technical field of mechanical penetration pieces of nuclear power reactors, in particular to a penetration structure of a mechanical penetration piece for a titanium alloy radiation shielding cabin, which is suitable for realizing effective penetration on the premise that shielding functions of various pipelines or fluids are ensured inside and outside the cabin.
Background
The titanium alloy cabin researched at present in the nuclear power field becomes a preferred choice for replacing the traditional carbon steel or stainless steel nuclear power cabin due to the high structural strength, light weight, strong high temperature resistance, and outstanding acid resistance, corrosion resistance and oxidation resistance.
The mechanical penetration piece is a commonly-used cabin penetrating mode, the structure of the existing mechanical penetration piece is simple, the commonly-used mechanical penetration piece made of 304 or 316 materials is only suitable for cabin penetrating of carbon steel and stainless steel cabins under common temperature and pressure environments, when the mechanical penetration piece is used for titanium alloy cabins needing high temperature and high pressure resistance, the traditional structure is difficult to meet the requirements of high temperature and high pressure, the problem that the pipe sections of the mechanical penetration piece made of titanium alloy and stainless steel materials are difficult to weld and seal at the end extending out of the cabins exists, and the requirements of fluid, pipelines and the like for entering and exiting the cabins cannot be met.
Disclosure of Invention
Based on the above problems, the present invention aims to provide a cabin penetrating structure of a mechanical penetration piece for a titanium alloy radiation shielding cabin, which improves the existing mechanical penetration piece to effectively adapt to the titanium alloy cabin of a nuclear power reactor, thereby realizing reliable cabin penetrating and ensuring radiation shielding.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pod penetration structure for a mechanical penetration for a titanium alloy radiation shielding pod, comprising:
the titanium alloy bulkhead is provided with a through hole;
the cabin inner shielding layer is attached to the inner surface of the titanium alloy cabin wall, and a pre-buried sleeve is arranged in the cabin inner shielding layer;
the penetrating piece pipe section penetrates through the embedded sleeve and extends out of the through hole, and a protective layer for heat insulation and pressure relief is arranged between the penetrating piece pipe section and the embedded sleeve;
and the composite connecting plate is welded on the outer surface of the titanium alloy bulkhead and is welded and sealed with the extending part of the penetrating piece pipe section.
Particularly, the main material of the titanium alloy bulkhead is TC4 titanium alloy, the main material of the penetrating piece pipe section is 304 or 316 stainless steel, and the composite connecting plate is formed by stacking, hot rolling and compounding a titanium alloy plate and a stainless steel plate and can be reliably welded with the titanium alloy and the stainless steel respectively.
Particularly, the gaps which are arranged on the inner side of the through hole and surrounded by the cabin inner shielding layer, the penetrating piece pipe section, the embedded sleeve and the protective layer are filled with rubber bodies for sealing.
Particularly, an auxiliary support ring is further arranged between the penetrating piece pipe section and the embedded sleeve, and the auxiliary support ring is located at the pipe orifice of the embedded sleeve and limits plugging of the protective layer.
In particular, the auxiliary support ring is made of PBI material.
In particular, the protective layer is made of a metal ceramic composite material.
Particularly, the main material of the cabin inner shielding layer is lead-boron-polyethylene.
Particularly, the outboard end of the penetration piece pipe section is provided with a quick connector which is convenient for connecting a subsequent pipeline.
In conclusion, the cabin penetrating structure of the mechanical penetrating piece for the titanium alloy radiation shielding cabin has the advantages that the reliable connection of the stainless steel penetrating piece and the titanium alloy cabin wall is realized, the radiation shielding performance and the sealing performance are ensured, the cabin penetrating structure is suitable for high-temperature and high-pressure environments, the cabin penetrating requirement of the titanium alloy cabin is met, and the cabin penetrating structure is low in cost compared with the titanium alloy penetrating piece.
Drawings
Fig. 1 is a schematic view of a cabin penetrating structure of a mechanical penetrating piece for a titanium alloy radiation shielding cabin provided by an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the preferred embodiment provides a cabin penetrating structure of a mechanical penetrating piece for a titanium alloy radiation shielding cabin, which comprises a titanium alloy cabin wall 1, an internal cabin shielding layer 2, a penetrating piece pipe section 3 and a composite connecting plate 4.
The main material of the titanium alloy bulkhead 1 is TC4 titanium alloy, and a through hole for penetrating a mechanical penetrating piece is formed in the titanium alloy.
The main material of the cabin inner shielding layer 2 is lead-boron-polyethylene, the lead-boron-polyethylene is attached to the inner surface of the titanium alloy cabin wall 1, and an embedded sleeve 5 is arranged in the cabin inner shielding layer 2.
The penetrating piece pipe section 3 penetrates through the embedded sleeve 5 and extends out of the through hole, the main material of the penetrating piece pipe section is 304 or 316 stainless steel, the stainless steel material is low in price compared with a titanium alloy material, the existing mechanical penetrating piece can be directly used, and the transformation cost is reduced.
The composite connecting plate 4 is welded on the outer surface of the titanium alloy bulkhead 1 and is welded and sealed with the extending part of the penetrating piece pipe section 3, wherein the composite connecting plate 4 is formed by overlapping and hot rolling a titanium alloy plate and a stainless steel plate, and concretely, a TC4 titanium alloy plate with the thickness of 5mm and a 304 stainless steel plate with the thickness of 18mm are compounded through a hot rolling process. Because the welding difficulty of the titanium alloy and the stainless steel is high when the mechanical penetration piece penetrates through the titanium alloy bulkhead 1 and the cabin inner shielding layer 2, the composite connecting plate 4 is considered to be used, and the reliable welding with the titanium alloy bulkhead 1 and the penetration piece pipe section 3 can be realized.
Be provided with between penetrating member pipeline section 3 and the buried sleeve 5 and be used for thermal-insulated protective layer 6 with the pressure release, protective layer 6 preferably adopts cermet combined material to make, realizes thermal-insulated, temperature resistant, increases structural strength's function.
The perforated inner side and the gap enclosed by the cabin inner shielding layer 2, the penetrating piece pipe section 3, the embedded sleeve 5 and the protective layer 6 are filled with a rubber body 7 for sealing, so that the sealing performance of the cabin penetrating part is further ensured.
In particular, an auxiliary support ring 8 is further arranged between the penetrating piece pipe section 3 and the embedded sleeve 5, the auxiliary support ring 8 is located at the pipe orifice of the embedded sleeve 5, the protective layer 6 is blocked and limited, and the auxiliary support ring 8 is preferably made of PBI (polybenzimidazole).
In addition, the quick-plug connector 9 is arranged at the outboard end of the penetrating piece pipe section 3, so that the connection of subsequent pipelines can be facilitated, the fluid, pipelines and the like can be ensured to enter and exit the cabin, and radiation leakage can be avoided.
In conclusion, the cabin penetrating structure of the mechanical penetrating piece for the titanium alloy radiation shielding cabin realizes reliable connection of the stainless steel penetrating piece and the titanium alloy cabin wall, ensures radiation shielding performance and sealing performance, is suitable for high-temperature and high-pressure environments, meets the cabin penetrating requirement of the titanium alloy cabin, and is low in cost compared with the titanium alloy penetrating piece.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the invention, which are intended to be within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A cabin penetrating structure of a mechanical penetrating piece for a titanium alloy radiation shielding cabin is characterized by comprising
The titanium alloy bulkhead is provided with a through hole;
the cabin inner shielding layer is attached to the inner surface of the titanium alloy cabin wall, and a pre-buried sleeve is arranged in the cabin inner shielding layer;
the penetrating piece pipe section penetrates through the embedded sleeve and extends out of the through hole, and a protective layer for heat insulation and pressure relief is arranged between the penetrating piece pipe section and the embedded sleeve;
and the composite connecting plate is welded on the outer surface of the titanium alloy bulkhead and is welded and sealed with the extending part of the penetrating piece pipe section.
2. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule of claim 1, wherein: the main body material of the titanium alloy bulkhead is TC4 titanium alloy, the main body material of the penetrating piece pipe section is 304 or 316 stainless steel, and the composite connecting plate is formed by stacking, hot rolling and compounding a titanium alloy plate and a stainless steel plate and can be reliably welded with the titanium alloy and the stainless steel respectively.
3. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule of claim 1, wherein: the inner side of the through hole and the gap enclosed by the cabin inner shielding layer, the penetrating piece pipe section, the embedded sleeve and the protective layer are filled with rubber bodies for sealing.
4. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule as set forth in claim 1, wherein: an auxiliary support ring is further arranged between the penetrating piece pipe section and the embedded sleeve, is located at the pipe orifice of the embedded sleeve and limits plugging of the protective layer.
5. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule as set forth in claim 4, wherein: the auxiliary support ring is made of PBI materials.
6. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule of claim 1, wherein: the protective layer is made of a metal ceramic composite material.
7. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule of claim 1, wherein: the main material of the shielding layer in the cabin is lead-boron-polyethylene.
8. The penetration structure of a mechanical penetration for a titanium alloy radiation shielding capsule of claim 1, wherein: and the cabin outer end of the penetrating piece pipe section is provided with a quick-connection plug which is convenient for the connection of subsequent pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210457109.2A CN114962798A (en) | 2022-04-27 | 2022-04-27 | Cabin penetrating structure of mechanical penetrating piece for titanium alloy radiation shielding cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210457109.2A CN114962798A (en) | 2022-04-27 | 2022-04-27 | Cabin penetrating structure of mechanical penetrating piece for titanium alloy radiation shielding cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114962798A true CN114962798A (en) | 2022-08-30 |
Family
ID=82978577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210457109.2A Pending CN114962798A (en) | 2022-04-27 | 2022-04-27 | Cabin penetrating structure of mechanical penetrating piece for titanium alloy radiation shielding cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114962798A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826627A (en) * | 2022-12-12 | 2023-09-29 | 上海百若试验仪器有限公司 | Ultra-high pressure container wire penetrating piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04351413A (en) * | 1991-05-27 | 1992-12-07 | Sumitomo Electric Ind Ltd | Wire penetrating section module and fabrication thereof |
| CN103660429A (en) * | 2013-11-29 | 2014-03-26 | 中国船舶重工集团公司第七二五研究所 | Multi-layer metal composite plate and manufacturing method thereof |
| CN204239979U (en) * | 2014-12-01 | 2015-04-01 | 杭州钱航船舶修造有限公司 | A kind of heat-proof device of high-temperature exhaust air crossing cabin |
| CN205118460U (en) * | 2015-11-20 | 2016-03-30 | 大连船舶重工集团有限公司 | Boats and ships or ocean engineering non ferrous metal pipe crossing cabin double cannula structure |
| CN105805426A (en) * | 2016-03-30 | 2016-07-27 | 上海火克新材料有限公司 | Pipeline penetration device |
| CN207486241U (en) * | 2016-11-17 | 2018-06-12 | 上海火克新材料有限公司 | A kind of Ultralight cable for ship runs through sealing device |
| CN109616226A (en) * | 2018-12-04 | 2019-04-12 | 中国核动力研究设计院 | The compound function metallic insulation of shielding material is filled out in a kind of two sides |
| CN110056715A (en) * | 2019-03-15 | 2019-07-26 | 沪东中华造船(集团)有限公司 | A kind of ship titanium alloy tube leads to cabin method |
| CN211925042U (en) * | 2019-12-31 | 2020-11-13 | 海洋石油工程股份有限公司 | A structure for copper nickel pipeline cross cabin |
| CN112728224A (en) * | 2020-12-30 | 2021-04-30 | 北京航天益森风洞工程技术有限公司 | Cross-cabin sealing structure and equipment |
| CN113819310A (en) * | 2021-09-15 | 2021-12-21 | 上海外高桥造船海洋工程有限公司 | Bulkhead penetration structure |
-
2022
- 2022-04-27 CN CN202210457109.2A patent/CN114962798A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04351413A (en) * | 1991-05-27 | 1992-12-07 | Sumitomo Electric Ind Ltd | Wire penetrating section module and fabrication thereof |
| CN103660429A (en) * | 2013-11-29 | 2014-03-26 | 中国船舶重工集团公司第七二五研究所 | Multi-layer metal composite plate and manufacturing method thereof |
| CN204239979U (en) * | 2014-12-01 | 2015-04-01 | 杭州钱航船舶修造有限公司 | A kind of heat-proof device of high-temperature exhaust air crossing cabin |
| CN205118460U (en) * | 2015-11-20 | 2016-03-30 | 大连船舶重工集团有限公司 | Boats and ships or ocean engineering non ferrous metal pipe crossing cabin double cannula structure |
| CN105805426A (en) * | 2016-03-30 | 2016-07-27 | 上海火克新材料有限公司 | Pipeline penetration device |
| CN207486241U (en) * | 2016-11-17 | 2018-06-12 | 上海火克新材料有限公司 | A kind of Ultralight cable for ship runs through sealing device |
| CN109616226A (en) * | 2018-12-04 | 2019-04-12 | 中国核动力研究设计院 | The compound function metallic insulation of shielding material is filled out in a kind of two sides |
| CN110056715A (en) * | 2019-03-15 | 2019-07-26 | 沪东中华造船(集团)有限公司 | A kind of ship titanium alloy tube leads to cabin method |
| CN211925042U (en) * | 2019-12-31 | 2020-11-13 | 海洋石油工程股份有限公司 | A structure for copper nickel pipeline cross cabin |
| CN112728224A (en) * | 2020-12-30 | 2021-04-30 | 北京航天益森风洞工程技术有限公司 | Cross-cabin sealing structure and equipment |
| CN113819310A (en) * | 2021-09-15 | 2021-12-21 | 上海外高桥造船海洋工程有限公司 | Bulkhead penetration structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826627A (en) * | 2022-12-12 | 2023-09-29 | 上海百若试验仪器有限公司 | Ultra-high pressure container wire penetrating piece |
| CN116826627B (en) * | 2022-12-12 | 2024-01-09 | 上海百若试验仪器有限公司 | Ultra-high pressure container wire penetrating piece |
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