中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

14 records (took 0.024 seconds)

    COOLING SYSTEM FOR EVACUATION OF DECAY HEAT OF IRRADIATED FUEL ELEMENTS OF A NUCLEAR REACTOR
    1.
    发明申请
    COOLING SYSTEM FOR EVACUATION OF DECAY HEAT OF IRRADIATED FUEL ELEMENTS OF A NUCLEAR REACTOR 审中-公开
    核反应堆辐照燃料元素衰减热回收冷却系统

    公开(公告)号：WO2009095767A1

    公开(公告)日：2009-08-06

    申请号：PCT/IB2009/000145

    申请日：2009-01-29

    Applicant: DEL NOVA VIS S.R.L. ,  CINOTTI, Luciano

    Inventor： CINOTTI, Luciano

    IPC: G21C19/08 ,  G21F5/10

    CPC classification number: G21C19/08 ,  G21F5/10

    Abstract: The present invention relates to a cooling system (1) for evacuation of decay heat of irradiated fuel elements of a nuclear reactor. The system (1) substantially consists of heat conductive elements (4), preferably shaped as plates, of high conductivity material and of a handling device (51) to move the elements (4) with respect to the fuel element (3) to be cooled, which is of the type formed by a plurality of elementary structures (7) made of fuel material one beside the other, for instance bars. Each element (4) has a first portion (4a), which in use may be inserted into the fuel element between the elementary structure to receive heat therefrom and transfer heat by conduction to a second portion (4b), which in use remains outside the fuel element and is cooled by a cooling gas.

    Abstract translation: 本发明涉及一种用于抽空核反应堆辐射燃料元件的衰变热的冷却系统（1）。 系统（1）基本上由导电材料的导热元件（4），优选地形成为板，并且具有相对于燃料元件（3）移动元件（4）的处理装置（51） 冷却，其是由多个彼此相邻的燃料材料制成的多个基本结构（7）形成的类型，例如棒。 每个元件（4）具有第一部分（4a），其在使用中可被插入到基本结构之间的燃料元件中以从其接收热量并通过传导将热传递到第二部分（4b），第二部分（4b）保持在外部 燃料元件，并被冷却气体冷却。

    SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A LIQUID METAL OR MOLTEN SALTS COOLED NUCLEAR REACTOR
    2.
    发明申请
    SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A LIQUID METAL OR MOLTEN SALTS COOLED NUCLEAR REACTOR 审中-公开

    公开(公告)号：WO2008125963A3

    公开(公告)日：2008-10-23

    申请号：PCT/IB2008/000907

    申请日：2008-04-15

    Applicant: DEL NOVA VIS S.R.L. ,  CINOTTI, Luciano

    Inventor： CINOTTI, Luciano

    IPC: G21C15/18

    Abstract: A system (7) for evacuating the residual heat from a nuclear reactor (1) cooled with liquid metal or molten salts has two types of heat exchangers (8) immersed in the primary fluid (5) of the reactor (1) : heat exchangers (8a) with higher power density, which use boiling water as secondary cooling fluid (9) and are particularly suitable for evacuating the residual heat in the first days after turning-off of the reactor; and heat exchangers (8b) operating with atmospheric air or with water and suitable for evacuating the residual heat for indefinite periods of time. Both types of heat exchangers present a bundle of heat -exchange elements (35), shaped in such a way that the secondary fluid (9) circulating in each element (35) is separated from the primary fluid (5) of the reactor (1) by a double wall (40, 41) of the element (35), which delimits a gap (42) introduced in which is a pressurized inert gas having the function of continuous monitoring of the integrity of the heat exchanger (8) and of thermal resistance calibrated for preventing solidification of the primary fluid (5) of the reactor (1) in the heat exchanger (8).

    NUCLEAR REACTOR, IN PARTICULAR POOL-TYPE NUCLEAR REACTOR, HAVING NEW CONCEPT FUEL ELEMENTS
    3.
    发明申请
    NUCLEAR REACTOR, IN PARTICULAR POOL-TYPE NUCLEAR REACTOR, HAVING NEW CONCEPT FUEL ELEMENTS 审中-公开
    具有新概念燃料元素的特殊核型核反应堆的核反应堆

    公开(公告)号：WO2009040644A2

    公开(公告)日：2009-04-02

    申请号：PCT/IB2008/002501

    申请日：2008-09-25

    Applicant: DEL NOVA VIS S.R.L. ,  CINOTTI, Luciano

    Inventor： CINOTTI, Luciano

    CPC classification number: G21C1/03 ,  G21C3/02 ,  G21C5/06 ,  G21Y2002/301 ,  G21Y2002/302 ,  G21Y2002/304 ,  G21Y2002/401 ,  G21Y2002/402 ,  G21Y2004/30 ,  Y02E30/34 ,  Y02E30/35

    Abstract: The present invention relates to a nuclear reactor (1), in particular a pool -type nuclear reactor cooled with liquid metal (for example, a heavy metal such as lead or lead-bismuth eutectic) or with sodium or molten salts, having a core (4) formed by a bundle of fuel elements (12) and immersed in a primary fluid (F) circulating between the core and at least one heat exchanger (10); the fuel elements (12) extend along respective parallel longitudinal axes (A) and have respective bottom active parts (13) immersed in the primary fluid to constitute the core, and respective service parts (14) that extend at the top from the active parts and emerge from the primary fluid; the fuel elements (12) are mechanically supported via respective top end heads (32) anchored to supporting structures (120) and can be operated via handling machines.

    Abstract translation: 本发明涉及一种核反应堆（1），特别是一种用液态金属（例如重金属如铅或铅 - 铋共晶体）或钠盐或熔融盐冷却的池型核反应堆，其具有核 （4），其由一束燃料元件（12）形成并且浸没在在所述芯和至少一个热交换器（10）之间循环的主流体（F）中; 燃料元件（12）沿着相应的平行纵向轴线（A）延伸并且具有浸入初级流体中的相应的底部活动部件（13）以构成芯部，以及在顶部从活动部件延伸的相应的维修部件（14） 并从主要流体出现; 燃料元件（12）通过锚定到支撑结构（120）的相应的顶端头（32）机械地支撑，并且可以通过搬运机进行操作。

    SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A NUCLEAR REACTOR
    5.
    发明申请
    SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A NUCLEAR REACTOR 审中-公开
    从核反应堆中提取残留热的系统

    公开(公告)号：WO2008090446A1

    公开(公告)日：2008-07-31

    申请号：PCT/IB2008/000144

    申请日：2008-01-23

    Applicant: DEL NOVA VIS S.R.L. ,  CINOTTI, Luciano

    Inventor： CINOTTI, Luciano

    IPC: G21C13/02 ,  G21D1/04

    CPC classification number: G03F7/0757 ,  G03F7/0043 ,  G21C15/18 ,  G21Y2002/201 ,  G21Y2002/302 ,  G21Y2004/30 ,  Y02E30/40

    Abstract: The invention relates to a system (1) for evacuating the residual heat from a nuclear reactor (2), wherein the residual heat is evacuated by irradiation from the main tank (3) of the nuclear reactor towards a ring of substantially U-shaped tubes (15), inside which external air circulates in natural circulation and which are arranged circumferentially around the tank (3). The tubes (15) are grouped together in modules (11), each of which is made up of a set of U-shaped tubes (15) inserted inside one another with respective side-by-side branches (16) facing the tank (3) and arranged on opposite sides of a common central axis (X) and laterally separated from one another by empty spaces. A radiant heat reflecting wall (30), which also constitutes a structure (33) for containing an insulation filling (34) of the nuclear-reactor well (5), is set behind the tubes (15) with respect to the tank (3) to reflect back onto the tubes (15) the radiant heat passing through the empty spaces between one tube (15) and another. The reflecting wall (30) is shaped in such a way as to be partially inserted between the branches (16) of the tubes (15) to define a longitudinal channel (31) set substantially around each branch (16).

    Abstract translation: 本发明涉及一种用于抽空来自核反应堆（2）的剩余热量的系统（1），其中通过从核反应堆的主罐（3）照射到大体上为U形管的环而将剩余热量抽空 （15），其中外部空气在自然循环中循环并且围绕罐（3）周向布置。 管（15）分组在一起在模块（11）中，每个模块（11）由彼此相互插入的一组U形管（15）组成，并且具有面向箱的各个并排分支（16） 3）并且布置在公共中心轴线（X）的相对侧上并且通过空的空间彼此横向分开。 也构成用于容纳核反应堆（5）的绝缘填充物（34）的结构（33）的辐射热反射壁（30）相对于罐（3）设置在管（15）的后面 ）反射回到管（15）上，通过一个管（15）和另一个管（15）之间的空的空间的辐射热。 反射壁（30）成形为部分地插入在管（15）的分支（16）之间，以限定围绕每个分支（16）设置的纵向通道（31）。

    PRESSURIZED -WATER- COOLED NUCLEAR REACTOR WITH COMPACT STEAM GENERATORS
    6.
    发明申请
    PRESSURIZED -WATER- COOLED NUCLEAR REACTOR WITH COMPACT STEAM GENERATORS 审中-公开
    具有紧凑蒸汽发生器的高压水冷核反应堆

    公开(公告)号：WO2009024856A1

    公开(公告)日：2009-02-26

    申请号：PCT/IB2008/002174

    申请日：2008-08-21

    Applicant: DEL NOVA VIS S.R.L. ,  CINOTTI, Luciano

    Inventor： CINOTTI, Luciano

    IPC: G21C1/32 ,  F28D7/04 ,  F22B1/16

    CPC classification number: F28D7/04 ,  F22B1/162 ,  F22B21/28 ,  F22B37/12 ,  F28F9/013 ,  F28F9/0246 ,  F28F27/02 ,  G21C1/322 ,  G21D1/006 ,  G21Y2002/30 ,  G21Y2004/30 ,  G21Y2004/301 ,  Y02E30/40

    Abstract: A nuclear reactor (1) cooled with pressurized water, having a pressurized tank (2) installed in which are compact steam generators (11); each steam generator (11) comprises a plurality of heat-exchange tubes (21) having respective spiral portions (37) set in levels on top of one another to form at least one annular tube bundle (20) delimiting a substantially cylindrical internal central zone (22), pre-arranged for supply from above with primary water, which then traverses the tube bundle radially.

    Abstract translation: 用加压水冷却的核反应堆（1），其具有安装在其中的紧凑型蒸汽发生器（11）的加压罐（2）; 每个蒸汽发生器（11）包括多个热交换管（21），所述热交换管具有相应的螺旋部分（37），所述螺旋部分（37）彼此层叠设置以形成至少一个环形管束（20），所述环形管束限定大致圆柱形的内部中心区 （22），预先安排从上面供应主要水，然后径向穿过管束。

    HEAT EXCHANGER, IN PARTICULAR OPERATING AS LARGE- SIZED STEAM GENERATOR
    7.
    发明申请
    HEAT EXCHANGER, IN PARTICULAR OPERATING AS LARGE- SIZED STEAM GENERATOR 审中-公开

    公开(公告)号：WO2009024855A3

    公开(公告)日：2009-02-26

    申请号：PCT/IB2008/002171

    申请日：2008-08-21

    Applicant: DEL NOVA VIS S.R.L. ,  CINOTTI, Luciano

    Inventor： CINOTTI, Luciano

    IPC: F22B21/28 ,  F22B27/10 ,  F24H1/16 ,  F28D1/047 ,  F28D7/04

    Abstract: The present invention relates to a heat exchanger (1), in particular a large-sized steam generator, having a conveying structure (11) for conveying a first process fluid (F1) and a plurality of heat-exchange tubes (12), in which a second process fluid (F2) circulates; the tubes (12) have respective substantially plane spiral portions (13) set on top of one another in a number of levels to form a substantially annular tube bundle (14). The tube bundle (14) delimits, inside, a substantially cylindrical central space (29) and, outside and together with a casing (2) housing the tube bundle (14), an annular space (30). The internal central space (29) and the annular space (30) constitute respective ducts for passage of the first process fluid (F1) that traverses the tube bundle (14) radially, whilst the second process fluid (F2) circulates within the spiral portions (13) with a radial component of the velocity locally opposite to that of the first process fluid (F1).

    SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A NUCLEAR REACTOR
    8.
    发明公开
    SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A NUCLEAR REACTOR 审中-公开
    SYSTEM疏散余热来自核反应堆

    公开(公告)号：EP2122635A1

    公开(公告)日：2009-11-25

    申请号：EP08702297.6

    申请日：2008-01-23

    Applicant: Del Nova Vis S.R.L. ,  Cinotti, Luciano

    Inventor： CINOTTI, Luciano

    IPC: G21C13/02 ,  G21D1/04

    CPC classification number: G03F7/0757 ,  G03F7/0043 ,  G21C15/18 ,  G21Y2002/201 ,  G21Y2002/302 ,  G21Y2004/30 ,  Y02E30/40

    Abstract: The invention relates to a system (1) for evacuating the residual heat from a nuclear reactor (2), wherein the residual heat is evacuated by irradiation from the main tank (3) of the nuclear reactor towards a ring of substantially U-shaped tubes (15), inside which external air circulates in natural circulation and which are arranged circumferentially around the tank (3). The tubes (15) are grouped together in modules (11), each of which is made up of a set of U-shaped tubes (15) inserted inside one another with respective side-by-side branches (16) facing the tank (3) and arranged on opposite sides of a common central axis (X) and laterally separated from one another by empty spaces. A radiant heat reflecting wall (30), which also constitutes a structure (33) for containing an insulation filling (34) of the nuclear-reactor well (5), is set behind the tubes (15) with respect to the tank (3) to reflect back onto the tubes (15) the radiant heat passing through the empty spaces between one tube (15) and another. The reflecting wall (30) is shaped in such a way as to be partially inserted between the branches (16) of the tubes (15) to define a longitudinal channel (31) set substantially around each branch (16).

Patent Agency Ranking