201216298 六、發明說明: 【發明所屬之技術領域】 本發明係有關於一種用過核子燃料運送密封鋼筒容器裝 置’尤指涉及一種使用可重覆開啟之密封鋼筒容器裝置,特別 係指結合核能電廠乾式貯存作業使用之傳送護箱,可提供核能 電廠執行在廠内機組間之用過核子燃料跨機組運送作業,以解 決核能電廠内之各種緊急需求者。 【先前技術】 世界各國核能電廠隨著運轉時間之增長,用過核子燃料池 容量漸漸減少,為應付不時之需,核電廠需建立用過核子燃料 跨機組間運送作業能力,以機動調整廠内各機組用過燃料池儲 放容量,增加機組營運應變能力。 現有之用過核子燃料乾式貯存設備,當燃料裝入之後,其 密封鋼筒頂部上蓋與屏蔽上蓋係以焊接式密封,如果薷要將密 封鋼筒打開並將燃料取出時,需要將上蓋密封焊接剷除,惟此 作業可能損壞密封鋼筒本體及上蓋之結構,因此貯存用鋼筒並 不適合用來作為用過核子燃料運送使用。 有鑑於核能電廠隨著運轉時間之增長,用過燃料池容量漸 漸減少’為因應可能發生之需求,核電廠紐立用過核子燃料 跨機組間運送作業能力,以及用過核子燃料機組間運送設備。 然而,以現有之密封鋼筒乾式貯存技術,其於裝填用過核子燃 料後,樣將上蓋板以銲接密封,因此僅適合單次密封,長久貯 存使用’由於不能多次開啟重複使用,因此不宜用於短時間之 機組間運送作業。故’L者縣法符合使用者於實際使 201216298 用時之所需。 【發明内容】 本發明之主要目的係在於’克服習知技藝所遭遇之上述問 題並提供一種使用可重覆開啟之密封鋼筒容器裝置,結合核能 電薇乾式貯存作業使用之傳送護箱,可提供核能電廠執行在廠 内機組間之用過核子燃料跨機組運送作業,以解決核能電廠内 之各種緊急需求者。 Φ 為達以上之目的,本發明係一種用過核子燃料運送密封鋼 筒谷器裴置’係至少包括一密封鋼筒本體、一上蓋組件、一提 籃組件、一充排水管組件及一充排氣管組件所構成。 該密封鋼筒本體係為直立圓柱體,係由一外殼及一底板組 成,並於開口端設有一凸緣,當該提籃組件放置於本體内部 ^ ’係分別由一設於該外殼側邊上之定位鍵,以及一設於該外 殼及該定位鍵上之頂蓋支撐環,穩固限制該提籃組件於該密封 鋼筒本體之内部; • 該上蓋組件係為τ形凸柱體,係位於該提籃組件上方,於 裝載燃料後與該密封鋼筒本體之外殼結合,配合該定位鍵設置 於朗蓋續環上,該上纽件係包括二道密封環,並以數個 螺栓鎖緊固定密封,其上並設有一排水孔蓋及一排氣孔蓋,於 排水、真空乾燥及氦氣充填後,各自透過二道密封環及數個螺 栓予以2緊m定密封,俾以提侧料神時之屏蔽及密封; •«亥提籃組件係為直立圓柱體,包含有數個燃料管、承載圓 盤及導熱圓盤,並以數個繫桿組合而成,可放置用過核子燃 料,以提雜_料之結構域、熱料及姐界控 201216298 S玄充排水管組件係貫穿該上蓋組件並形成一孔道,具有一 充排水孔&連接4充排水孔並延伸至該密封鋼筒本體底部 之連接管’驗該㈣崎本體之賴水或翻水;以及 該充排氣管組件係於該充排水管組件相對位置處貫穿該 上蓋組件並形成-孔道’具有-充排氣孔及—連猶充排氣孔 並延伸至該推封鋼筒本體底部之連接管,用以灌入空氣或情性 氣體至趙封_本體喃助排水、真空乾燥以及氦氣充填。 ^ 【實施方式】 請參閱『第1圖〜第9圖』所示,係分別為本發明之上蓋 組件俯視示意®、本伽贿鋼筒容器裝置之半舰示意圖、 $ 2圖中A部分之放大示意圖、第3圖中Β·Β線段之部視示 意圖、本發明之提籃組件俯視示意圖、本發明之提籃組件侧視 不意圖、第6圖中C部分之放大示意圓'第6圖中〇部分之放 大不意圖及第6圖中Ε部分之放大示意圖。如圖所示:本發明 係一種用過核子燃料運送密封鋼筒容器裝置丄〇 〇,係至少包 • 括一密封鋼筒本體1、一上蓋組件2、一提籃組件3、一充排 水管組件4及一充排氣管組件5所構成。藉此可重複開啟,裝 填燃料,再密封,以達到重複運送使用之目的者。 上述所提之密封鋼筒本體i係為直立圓柱體,係由一外殼 1 〇及一底板1 1組成,並於開口端設有一凸緣1 2,當該提 籃組件3放置於本體内部後,係分別由一設於該外殼丄〇側邊 上之定位鍵1 3,以及一設於該外殼1 〇及該定位鍵2 3上之 頂蓋支撐環1 4,穩固限制該提籃組件3於該密封鋼筒本體工 之内部。 201216298 s亥上蓋組件2係為τ形凸柱體,係位於該提籃組件3上 方三於裳載燃料後與該密封鋼筒本體工之外殼工〇結合,配合 該定位鍵1 3設置於該頂蓋支撐環1 4上。該上蓋組件2係包 括二道用以密封之0形内環2〇及〇形外環21,並以數個 螺,2 2鎖緊固定密封,其上並設有一排水孔蓋2 3及一排氣 孔蓋2 4,於排水、真空乾燥及氦氣充填後,各自透過同樣二 道用以密封之0形内環2 〇a與0形外環2 la,以及數個螺 栓2 2a予以鎖緊固定密封,並在鎖緊固定密封後設置有數個 上蓋板塞2 5於該上蓋組件2上’俾以提供燃貯存時之屏蔽 及密封。其中’更進一步設有數個貫穿該上蓋組件2、該排水 孔蓋2 3及該排氣孔蓋2 4之測漏管接頭2 6,且每一測漏管 接頭2 6係設有-密封墊2 7,用以與該上蓋組件2、該排水 孔蓋2 3及該排氣孔蓋2 4之表面密合。 該提籃組件3係為直立圓柱體,可放置用過核子燃料,以 提供裝載麟之結構續、鋪導及次臨界控制,其包含有數 個燃料管3 0、承細盤3 1及導熱醜3 2,iUx數個繫桿 3 3組合而成。該提籃組件3係由該承載圓盤3丄支撐,該承 麵盤3 1在等距方位含有由該繫桿3 3組合之孔洞,且該繫 桿3 3與該承載圓盤31間係以圓柱形間隔環3 4連結,並在 頂端以螺帽3 5鎖緊。射,該些繫桿3 3係與數個間隔環3 4及分隔_環3 6分別提供該些承細盤3 i及該些導熱 圓盤3 2之捕無隔,並分職接—位於其頂端之頂部鲜件 3 7 ’以及-位於其底端之底轉件3 8,且在該些分隔間隔 環36與該些導熱圓盤32之間更設有墊圈。 該充排水管組件4係貫穿該上蓋組件2並形成一孔道,具[si 6 201216298 有一充排水孔4 0及-連接該充排水孔4 〇並延伸至該密封 鋼筒本體1底部之連接管4 1,用於該密封鋼筒本體工之灌滿 水或排出水。 ' 該充排氣管組件5係於該充排水管組件4相對位 穿該上蓋组件2並形成-孔道,具有_充排氣孔 該充排氣孔5 0並延伸至該密封鋼筒本體工底部之連接管5 1’用以灌入空氣或惰性氣體至該密封鋼筒本體工内輔 水、真空乾燥以及氦氣充填。 上述燃料管3 0係用以置放燃料束,可***至該承载圓盤 3 1及該導熱酸3 2之孔洞中’如第5圖所示,其中包含四 個對角較大之燃料管3 0a、3 〇b、3 〇c,其餘則皆為較小 之燃料管3 0 d、3 〇 e、3 〇 f,並可視其於該提藍組件3内 之位置,於一邊擺置中子吸收劑,如燃料管3 〇a、3 〇d ;戋 兩邊擺置t子吸收劑,如燃料管3 〇b、3 〇e ;或不擺置如 燃料管3 〇c、3 Of。 b 口 田本發明於運用時’係以上述密封鋼筒容器裝置1 〇 〇提 供密封環境’於裝載用過核子燃料後,可執行密封、排水、抽 真空、灌氦氣等作業’使用過核子燃料於跨機組運送過程中能 處於氦氣保護下,並能防止輻職體$漏\ t结合傳送護b 時,則可提供運送過程之輻射屏蔽,進而降低人員與環境^ 射。此外’本發明在結合傳送護箱於運送時,係可承受例如 震及傾倒等意外事故所產生之衝擊,而仍可保持密封鋼筒容器 裝置之完整。 如是,本發明之特色乃包含·· 1.可依現有長_翻密封靖為藍本,創作重複開啟密 201216298 封再f用之密封鋼筒及上蓋,包括凸緣、密封環與螺拾。 、加崎緩衝II、關設計與__保護 以顧運送時各種意外事故之下之罐安全。 … 小幅介面設職小幅嫩,安全分析項目僅需 巾度重新77析,作業料祕需小幅度修改。 供可知’本發明係改進現有用過核子燃料乾式貯存設 斑屏封鋼筒上蓋及增加凸緣,並將舊有之頂部上蓋201216298 VI. Description of the Invention: [Technical Field] The present invention relates to a device for transporting a sealed steel cylinder using a nuclear fuel, and more particularly to a device for sealing a steel cylinder using a re-openable opening, particularly The transmission protection box used in the dry storage operation of nuclear power plants can provide nuclear power plants to carry out the use of nuclear fuel across the unit between the units in the plant to solve various emergency needs in nuclear power plants. [Prior Art] With the increase of operation time in the world's nuclear power plants, the capacity of used nuclear fuel pools has gradually decreased. In order to cope with the unexpected needs, nuclear power plants need to establish the ability to use nuclear fuels across inter-unit transportation operations to adjust the plant. Each unit has used the fuel pool storage capacity to increase the unit's operational resilience. The existing used nuclear fuel dry storage device, after the fuel is loaded, the upper cover of the sealing steel cylinder and the upper cover of the shield are welded and sealed. If the sealing steel cylinder is to be opened and the fuel is taken out, the upper cover needs to be sealed and welded. Excavation, but this operation may damage the structure of the sealed steel cylinder body and the upper cover, so the storage steel cylinder is not suitable for use as a used nuclear fuel. In view of the increase in the operating capacity of nuclear power plants, the capacity of used fuel pools has gradually decreased. 'In response to the demand that may occur, the nuclear power plant has used the inter-unit transportation capacity of nuclear fuels and the equipment used to transport nuclear fuel units. . However, with the existing dry storage technology of the sealed steel cylinder, after the used nuclear fuel is filled, the upper cover is welded and sealed, so that it is only suitable for single sealing, and long-term storage is used because it cannot be reused multiple times. Not suitable for short-term inter-unit transportation operations. Therefore, the 'Ler's County Law is in line with the user's need to actually use 201216298. SUMMARY OF THE INVENTION The main object of the present invention is to "overcome the above problems encountered in the prior art and to provide a transfer steel box container device that can be repeatedly opened, and a transfer protection box for use in a nuclear energy electric dry storage operation. Providing nuclear power plants to perform cross-carrying operations of nuclear fuel across units within the plant to address various emergency needs within nuclear power plants. Φ For the purpose of the above, the present invention relates to a nuclear fuel transportation sealing steel cylinder device, which comprises at least a sealing steel cylinder body, an upper cover assembly, a basket assembly, a charging and draining pipe assembly and a charging and discharging device. The tracheal assembly is constructed. The sealed steel cylinder system is an upright cylinder, which is composed of a casing and a bottom plate, and is provided with a flange at the open end. When the basket assembly is placed inside the body, the system is respectively disposed on a side of the casing. a positioning button, and a top cover support ring disposed on the outer casing and the positioning key, to stably limit the basket assembly to the inside of the sealing steel cylinder body; • the upper cover assembly is a t-shaped convex cylinder, and the Above the basket assembly, after loading the fuel, it is combined with the outer casing of the sealing steel cylinder body, and the positioning button is arranged on the slinger ring, the upper member includes two sealing rings, and is fixed and sealed by a plurality of bolts. It is provided with a drain hole cover and a vent cover. After draining, vacuum drying and helium filling, each of them is sealed by two sealing rings and several bolts. Shielding and sealing; • The haiti basket assembly is an upright cylinder containing several fuel tubes, carrying discs and heat-conducting discs. It is made up of several tie rods and can be used with nuclear fuel. Miscellaneous material structure , hot material and sister boundary control 201216298 S Xuanchong drainage pipe assembly runs through the upper cover assembly and forms a tunnel, having a charging drain hole & connection 4 filling drainage hole and extending to the bottom of the sealing steel cylinder body of the connection pipe (4) the water or water in the body of the Saki body; and the charging and exhausting pipe assembly is connected to the upper cover assembly at a position opposite to the charging and draining pipe assembly and forms a hole-filling hole and a venting hole And extending to the connecting pipe at the bottom of the body of the push-seal steel cylinder for injecting air or inert gas to the Zhao seal_main body to help drainage, vacuum drying and helium gas filling. ^ [Embodiment] Please refer to the "1st to 9th" diagrams, which are respectively a schematic view of the top cover assembly of the present invention, a half-ship diagram of the Bengal bribe steel container device, and a part A of the $2 figure. A magnified schematic view, a schematic view of a Β·Β line segment in Fig. 3, a top view of the basket assembly of the present invention, a side view of the basket assembly of the present invention, and an enlarged schematic circle of the portion C in Fig. 6 Partial magnification is not intended to be an enlarged view of the Ε portion of Fig. 6. As shown in the figure: the present invention is a nuclear fuel-transport sealing steel cylinder container assembly comprising at least one sealing steel cylinder body 1, an upper cover assembly 2, a basket assembly 3, and a charging and draining pipe assembly. 4 and a charge and exhaust pipe assembly 5 is constructed. This allows for repeated opening, filling of fuel, and resealing for the purpose of repeated shipping. The sealed steel cylinder body i mentioned above is an upright cylinder, which is composed of a casing 1 〇 and a bottom plate 1 1 , and is provided with a flange 12 at the open end. When the basket assembly 3 is placed inside the body, The handle member 13 is disposed on the side of the outer casing and the top cover support ring 14 disposed on the outer casing 1 and the positioning key 23, respectively, to stably limit the basket assembly 3 Seal the inside of the steel cylinder body. 201216298 shai upper cover assembly 2 is a τ-shaped convex cylinder, which is located above the basket assembly 3 and is combined with the outer casing of the sealing steel cylinder, and is disposed at the top with the positioning key 13 Cover the support ring 1 4 . The upper cover assembly 2 includes two 0-shaped inner rings 2 〇 and a 〇-shaped outer ring 21 for sealing, and is fixedly sealed by a plurality of screws, 2 2, and a drain hole cover 2 3 and a The vent cover 24, after draining, vacuum drying and helium filling, are respectively locked through the same two-way inner ring 2 〇a and 0-shaped outer ring 2 la for sealing, and several bolts 2 2a The seal is tightly fixed, and after the lock and seal is fixed, a plurality of upper cover plugs 25 are provided on the upper cover assembly 2 to provide shielding and sealing during storage. Wherein, there are further a plurality of leak detection pipe joints 2 6 penetrating through the upper cover assembly 2, the drain hole cover 23 and the vent cover 24, and each of the leak detection pipe joints 26 is provided with a gasket. 2 7 is for adhering to the surface of the upper cover unit 2, the drain hole cover 23 and the vent cover 24. The basket assembly 3 is an upright cylinder, which can be used with nuclear fuel to provide structural continuation, paving and subcritical control of the loading lining, which comprises a plurality of fuel tubes 30, a thin plate 3 1 and a heat transfer ugly 3 2, iUx several tie rods 3 3 combination. The basket assembly 3 is supported by the carrier disc 3, which has a hole combined by the tie rod 3 3 in an equidistant orientation, and the tie rod 3 3 is interposed between the carrier disc 31 and the carrier disc 31 The cylindrical spacer ring 34 is joined and locked at the top end with a nut 35. Shooting, the tie bars 3 3 and the plurality of spacer rings 34 and the partitioning ring 3 6 respectively provide the plurality of receiving trays 3 i and the heat conducting disks 3 2 without separation, and are separately assigned The top end of the top piece 3 7 'and the bottom piece 3 8 at its bottom end are further provided with a gasket between the partition spacer ring 36 and the heat conducting disks 32. The charging and draining pipe assembly 4 extends through the upper cover assembly 2 and forms a tunnel having [si 6 201216298 having a charging and draining hole 40 and a connecting pipe connecting the charging and draining hole 4 〇 and extending to the bottom of the sealing steel drum body 1 4 1, used for filling the water or draining water of the sealed steel cylinder. The charging and exhausting pipe assembly 5 is disposed between the charging and draining pipe assembly 4 and the upper cover assembly 2 and forms a hole, having a charging and exhausting hole 50 and extending to the sealing steel cylinder The bottom connecting pipe 5 1' is used for injecting air or an inert gas into the sealing steel cylinder body auxiliary water, vacuum drying and helium gas filling. The fuel pipe 30 is used for placing a fuel beam, and can be inserted into the hole of the carrier disk 31 and the heat-transfer acid 32. As shown in FIG. 5, the fuel pipe of the four diagonals is included. 3 0a, 3 〇b, 3 〇c, the rest are smaller fuel pipes 3 0 d, 3 〇e, 3 〇f, and can be placed in one side of the blue component 3 The sub-absorbers, such as the fuel tubes 3 〇a, 3 〇d; the t-absorbers are disposed on both sides of the crucible, such as the fuel tubes 3 〇 b, 3 〇 e; or the fuel tubes 3 〇 c, 3 Of are not disposed. b Kou Tian The invention is used in the above-mentioned sealed steel cylinder container device 1 to provide a sealed environment. After loading the used nuclear fuel, it can perform operations such as sealing, drainage, vacuuming, and filling of the gas. It can be protected by helium during the cross-unit transportation process, and can prevent the radiation body from leaking together with the transmission protection b, which can provide radiation shielding during the transportation process, thereby reducing personnel and environment. In addition, the present invention can withstand the impact of accidents such as shocks and dumping when transported in conjunction with the transfer cage, while still maintaining the integrity of the sealed steel drum container device. If so, the features of the present invention include: 1. According to the existing long_turned seal, the design can be repeated to open the seal of the 201216298 seal and the upper cover, including the flange, the seal ring and the screw. , Kasaki Buffer II, design and __ protection to ensure the safety of the tank under various accidents during transportation. ... The small interface is small and tender, and the safety analysis project only needs to be re-analyzed. It is to be noted that the present invention is to improve the existing used nuclear fuel dry storage installation screen cover steel cylinder cover and increase the flange, and the old top cover
,增加密封環設計,再以螺栓111定密封,如此, -Γϋ—ί銲接密封方式’改良為螺栓式可重覆開啟密封 =、鋼筒’並可糊已有之用過核子簡乾式貯存設 二傳送護箱、吊虹具、多軸油壓板車、抽氣設備、 =震=裝置等相關助設備,均可共職減少核頓内設備之 、複投資,提供核電廠在各機組間進行用過核子燃料跨機組運 达作業’簡決核能電軸之各種緊急需求。 綜上所述’本發㈣—種㈣核子燃料運送密封鋼筒容器 裝置,可有效改善習用之種種缺點,僅需改良密封鋼筒上蓋及 ^加凸緣’並將舊有之頂部上蓋與賤上蓋合―,增加密封環 1 ’再以螺栓HJ定密封’如此,即可重制啟,裝填燃料, 再密封,以達到重複運送使用之目的,進而使本發明之產生能 更進步、更實用、更符合使用者之所須,確已符合發明專利申 請之要件,爰依法提出專利申請。 惟以上所述者’僅為本發明之較佳實施例而已,當不能以 此限定本發明實施之範圍;故,凡依本發明申請專利範圍及發 月說明書内谷所作之簡單的等效變化與修飾,皆應仍屬本發明 專利涵蓋之範圍内。 201216298 【圖式簡單說明】 第1圖,係本發明之上蓋組件俯視示意圖。 第2圖,係本發明密封鋼筒容器裝置之半剖視示意圖。 第3圖,係第2圖中A部分之放大示意圖。 第4圖,係第3圖中線段之部視示意圖。 第5圖,係本發明之提籃組件俯視示意圖。 第6圖’係本發明之提籃組件侧視示意圖。 第7圖,係第6圖中C部分之放大示意圖。 籲 第8圖,係第6圖中D部分之放大示意圖。 第9圖,係第6圖中E部分之放大示意圖。 【主要元件符號說明】 密封鋼筒容器裝置1〇〇 选'封鋼筒本體1 外殼10 底板1 1 凸緣1 2 _ 定位鍵1 3 頂蓋支撐環14 上蓋組件2 0形内環20、20a 〇形外環2 1、2 la 螺栓2 2、2 2a 排水孔蓋2 3 排氣孔蓋24 9 201216298 上蓋板塞2 5 測漏管接頭2 6 密封墊2 7 提籃組件3 燃料管3 0、3 〇a〜3 Of 承載圓盤31 導熱圓盤3 2 繫桿3 3 • 間隔環3 4 螺帽3 5 分隔間隔環3 6 頂部銲件37 底部銲件3 8 墊圈3 9 充排水管組件4 充排水孔4 0 • 連接管41 充排氣管組件5 充排氣孔5 0 連接管5 1, increase the design of the sealing ring, and then seal with the bolt 111, so, -Γϋ-ί welding sealing method 'improved to bolt type can be repeated open sealing =, steel cylinder' and can be used to use the existing nuclear dry storage Second transmission protection box, hanging rainbow, multi-axis hydraulic plate truck, pumping equipment, = earthquake = device and other related equipment, can work together to reduce the equipment in the nuclear reactor, re-investment, provide nuclear power plants between the units Carry out the use of nuclear fuel across the unit to carry out operations 'simplified nuclear power shafts of various emergency needs. In summary, the 'Ben (4)-species (4) nuclear fuel transport sealed steel cylinder container device can effectively improve various shortcomings of the conventional use, only need to improve the sealing steel cylinder cover and ^ flanged 'and the old top cover and 贱The upper cover is closed, and the sealing ring 1' is further sealed with the bolt HJ. Thus, the fuel can be re-started, filled with fuel, and sealed, so as to achieve the purpose of repeated transportation, thereby making the invention more progressive and practical. More in line with the needs of the user, it has indeed met the requirements of the invention patent application, and filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the practice of the present invention; therefore, the simple equivalent change made by the valley in the patent application scope and the monthly specification of the present invention And modifications are still within the scope of the invention. 201216298 [Simple description of the drawings] Fig. 1 is a top plan view of the upper cover assembly of the present invention. Fig. 2 is a half cross-sectional view showing the apparatus for sealing a steel cylinder of the present invention. Fig. 3 is an enlarged schematic view of a portion A in Fig. 2. Fig. 4 is a schematic view showing a portion of a line segment in Fig. 3. Figure 5 is a top plan view of the basket assembly of the present invention. Figure 6 is a side elevational view of the basket assembly of the present invention. Fig. 7 is an enlarged schematic view of a portion C in Fig. 6. Figure 8 is an enlarged view of part D of Figure 6. Fig. 9 is an enlarged schematic view of a portion E in Fig. 6. [Main component symbol description] Sealed steel cylinder container device 1 Select 'Cold steel cylinder body 1 Shell 10 Base plate 1 1 Flange 1 2 _ Positioning key 1 3 Top cover support ring 14 Upper cover assembly 2 0-shaped inner ring 20, 20a 〇-shaped outer ring 2 1 , 2 la bolt 2 2, 2 2a drain hole cover 2 3 vent cover 24 9 201216298 upper cover plug 2 5 leak test pipe joint 2 6 gasket 2 7 basket assembly 3 fuel pipe 3 0 , 3 〇a~3 Of Carrier disk 31 Thermal disk 3 2 Tie rod 3 3 • Spacer ring 3 4 Nut 3 5 Separation spacer ring 3 6 Top weldment 37 Bottom weldment 3 8 Washer 3 9 Drainage pipe assembly 4 Filling and draining holes 4 0 • Connecting pipe 41 Charging and exhausting pipe assembly 5 Charging and venting holes 5 0 Connecting pipe 5 1