Stainless steel inner conductor for nuclear power station

Abstract

The utility model discloses a stainless steel inner conductor for a nuclear power station, which belongs to the technical field of nuclear fusion and comprises an inner conductor body, the inner conductor body consists of a main body and a cover plate which are matched with each other, a water storage cavity is arranged on the bottom surface of the cover plate, and a water inlet hole and a water outlet hole which are communicated with the water storage cavity are respectively arranged at two ends of the top surface of the cover plate. The inner conductor body is arranged on a reactor, cooling liquid is input into the water storage cavity, the cooling liquid accounts for two thirds of the internal space of the water storage cavity, the cooling liquid absorbs heat along with the inner conductor body, and then heat in the inner conductor body is conducted into the cooling liquid in the inner conductor body, so that the cooling liquid is cooled, and the heat conduction efficiency is improved. And then when the cooling liquid is evaporated due to high temperature and steam moves upwards, the cooling liquid is in contact with the upper part of the inner conductor body and is condensed, so that a refrigeration cycle process is completed, the purpose of absorbing heat generated in the nuclear fusion process is achieved, and dangerous accidents caused by overheating are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear fusion technical field, concretely is a stainless steel inner conductor for nuclear power plant. BACKGROUND

[0002] Nuclear fusion refers to the combination of two lighter nuclei to form a heavier nucleus and a very light nucleus (or particle) A form of nuclear reaction, in this process, two lighter nuclei will produce mass loss when fusion, thus releasing huge energy. Specifically, when two nuclei with high enough energy meet, they can gather closely together, so that the nuclear force can overcome the coulomb repulsion and nuclear reaction occurs.

[0003] This reaction usually needs to be carried out under certain conditions such as ultra-high temperature and high pressure, so it is also called thermonuclear reaction, and the heat generated in the process of nuclear fusion needs to be absorbed to avoid the occurrence of dangerous accidents caused by overheating.

[0004] Therefore, we propose a stainless steel inner conductor for nuclear power plant for absorbing the heat generated in the process of nuclear fusion. INVENTION CONTENTS

[0005] The utility model discloses a stainless steel inner conductor for nuclear power plant to solve the above-mentioned technical problem.

[0006] The technical scheme adopted by the utility model is: a stainless steel inner conductor for nuclear power plant, comprising an inner conductor body, the inner conductor body is composed of a main body and a cover plate matched with each other, a water storage cavity is formed in the bottom surface of the cover plate, water inlet holes and drainage holes are respectively formed in the top surface of the cover plate and are communicated with the water storage cavity, a heat conduction strip is arranged on the top surface in the water storage cavity, and the cover plate is welded on the bottom surface of the main body.

[0007] Preferably, the heat conduction strip is provided with two, and the two heat conduction strips are symmetrically arranged on the top surface in the water storage cavity, wherein the heat conduction strip can increase the conduction rate of the main body to the water storage cavity.

[0008] Preferably, the top surface of the cover plate is provided with two annular protrusions, the two annular protrusions are concentrically arranged with the water inlet hole and the drainage hole respectively, and the water inlet hole and the drainage hole are located in the inner circle of the annular protrusion, wherein the annular protrusion can make the sealing property of the flange when connected with the water inlet hole and the drainage hole higher.

[0009] Preferably, the outer circle of the annular protrusion is provided with a threaded hole arranged in a ring array on the top surface of the main body, wherein the threaded hole facilitates the installation of the flange on the top surface of the main body.

[0010] Preferably, the left and right sides of the bottom end of the inner wall of the water storage cavity are provided with U-shaped plates, the bottom surface of the U-shaped plate is flush with the bottom surface of the main body, the main body, the annular protrusion, the U-shaped plate and the water storage cavity are integrally formed, the main body and the cover plate are made of stainless steel, and the thickness of the inner wall of the main body is 4mm.

[0011] The utility model provides a nuclear power station uses stainless steel inner conductor. Have following beneficial effect:

[0012] 1、The nuclear power station uses stainless steel inner conductor, through setting up the inner conductor body on the reactor, and to the inside of water storage cavity input cooling liquid, make cooling liquid occupy two third of water storage cavity internal space, make cooling liquid in turn inner conductor body heat absorption, then the heat in the inner conductor body is conducted to the cooling liquid in its inside, then cooling liquid is evaporated under high temperature, when steam moves upward, contact with the upper part of inner conductor body and condense, complete a refrigeration cycle process, reach the purpose that the heat generated in nuclear fusion process is absorbed, avoid the emergence of dangerous accident under the condition that overheating leads to,

[0013] 2、The nuclear power station uses stainless steel inner conductor, through heat conduction strip can increase the rate of conduction inside the main body to the inside of water storage cavity, through annular protrusion can make the sealing property when flange and water inlet hole and drain hole connect is higher, through screw hole, flange is installed on the top surface of main body, integrally formed high strength, high strength makes the main body and cover plate can withstand greater load and impact, improve the reliability and durability of inner conductor body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is structure schematic diagram of the utility model;

[0015] Figure 2 It is structure schematic diagram of the utility model Figure 1 of A place amplification;

[0016] Figure 3 It is main body bottom surface structure schematic diagram of the utility model;

[0017] Figure 4 It is split structure schematic diagram of the utility model.

[0018] In the drawing: 1, main body;11, water inlet hole;12, screw hole;13, annular protrusion;14, heat conduction strip;15, U-shaped plate;16, water storage cavity;17, drain hole;2, cover plate;3, inner conductor body. DETAILED DESCRIPTION

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1:

[0021] like Figures 1-4 As shown: It includes an inner conductor body 3, which is composed of a matching main body 1 and a cover plate 2. A water storage cavity 16 is opened on the bottom surface of the cover plate 2. A water inlet hole 11 and a drain hole 17 connected to the water storage cavity 16 are opened at both ends of the top surface of the cover plate 2, respectively. A heat-conducting strip 14 is provided on the top surface inside the water storage cavity 16. The cover plate 2 is welded to the bottom surface of the main body 1. By placing the inner conductor body 3 on the reactor and inputting coolant into the interior of the water storage cavity 16, the coolant occupies two-thirds of the interior space of the water storage cavity 16. The coolant then absorbs heat from the inner conductor body 3. The heat in the inner conductor body 3 is then conducted to the coolant inside it. The coolant evaporates at high temperature. When the vapor moves upward, it contacts the upper part of the inner conductor body 3 and condenses, completing a cooling cycle. This achieves the purpose of absorbing the heat generated during nuclear fusion and avoids the occurrence of dangerous accidents due to overheating.

[0022] Example 2:

[0023] like Figures 1-4 As shown: Two heat-conducting strips 14 are provided, symmetrically arranged on the top surface inside the water storage cavity 16. Two annular protrusions 13 are provided on the top surface of the cover plate 2, concentrically arranged with the water inlet 11 and drain 17 respectively. The water inlet 11 and drain 17 are both located within the inner ring of the annular protrusions 13. Threaded holes 12, arranged in a ring array, are provided on the outer ring of the annular protrusions 13 on the top surface of the main body 1. U-shaped plates 15 are provided on both the left and right sides of the bottom end of the inner wall of the water storage cavity 16, with the bottom surface of the U-shaped plates 15 flush with the bottom surface of the main body 1. The main body 1, annular... The protrusion 13, U-shaped plate 15, and water storage cavity 16 are integrally formed. The main body 1 and cover plate 2 are both made of stainless steel. The inner wall thickness of the main body 1 is 4mm. The heat conduction strip 14 can increase the rate of heat conduction from the inside of the main body 1 to the inside of the water storage cavity 16. The annular protrusion 13 can improve the sealing performance when the flange is connected to the water inlet hole 11 and the drain hole 17. The threaded hole 12 facilitates the installation of the flange on the top surface of the main body 1. The integrally formed structure has high strength. The high strength allows the main body 1 and cover plate 2 to withstand greater loads and impacts, improving the reliability and durability of the inner conductor body 3.

[0024] The utility model discloses a nuclear power station with stainless steel inner conductor, when using, the external water inlet pipe is connected through the flange and water inlet hole 11, passes through the sealing bolt and passes through the flange and screw hole 12, can install the water inlet pipe on the main part 1, then the external water outlet pipe is connected through the flange and sealing bolt with drainage hole 17 intercommunication, then the inner conductor body 3 is arranged on the reactor, and the cooling liquid is input to the inside of the water storage cavity 16, makes the cooling liquid occupy two thirds of the inside space of water storage cavity 16, and the cooling liquid then inner conductor body 3 absorbs heat, then the heat in inner conductor body 3 is conducted to the cooling liquid in its inside, then the cooling liquid is evaporated under high temperature, and when steam moves upward, contacts the upper portion of inner conductor body 3 and condenses, completes a refrigeration cycle process.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A stainless steel inner conductor for nuclear power plants, characterized in that: The inner conductor body (3) is composed of a matching main body (1) and a cover plate (2). The bottom surface of the cover plate (2) is provided with a water storage cavity (16). The two ends of the top surface of the cover plate (2) are respectively provided with a water inlet hole (11) and a drain hole (17) connected to the water storage cavity (16). The top surface inside the water storage cavity (16) is provided with a heat-conducting strip (14). The cover plate (2) is welded to the bottom surface of the main body (1).

2. The stainless steel inner conductor for nuclear power plants according to claim 1, characterized in that: There are two heat-conducting strips (14), which are symmetrically arranged on the top surface inside the water storage cavity (16).

3. The stainless steel inner conductor for nuclear power plants according to claim 1, characterized in that: The top surface of the cover plate (2) is provided with two annular protrusions (13), which are concentrically arranged with the water inlet (11) and the drain (17) respectively. The water inlet (11) and the drain (17) are both located in the inner circle of the annular protrusions (13).

4. A stainless steel inner conductor for nuclear power plants according to claim 3, characterized in that: The outer ring of the annular protrusion (13) is provided with threaded holes (12) that are opened on the top surface of the main body (1) and distributed in an annular array.

5. A stainless steel inner conductor for nuclear power plants according to claim 4, characterized in that: U-shaped plates (15) are provided on both the left and right sides of the bottom of the inner wall of the water storage cavity (16). The bottom surface of the U-shaped plate (15) is flush with the bottom surface of the main body (1). The main body (1), the annular protrusion (13), the U-shaped plate (15) and the water storage cavity (16) are integrally formed. The main body (1) and the cover plate (2) are both made of stainless steel. The inner wall thickness of the main body (1) is 4mm.

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