Annular shielding device for high-radiation horizontal pipeline

Abstract

The utility model discloses an annular shielding device for a high-radiation horizontal pipeline, relates to the technical field of ionizing radiation shielding, and is used for solving the problem that the high-radiation horizontal pipeline needs to be quickly shielded in a small-range space. The pipeline annular shielding device comprises a flexible shielding body, the flexible shielding body is filled with flexible radiation protection shielding materials, a hook side of a hook-and-loop fastener is designed at one end of the inner surface of the flexible shielding body, and a fine brush of the hook-and-loop fastener is designed on the outer surface of the other end of the flexible shielding body. The flexible shielding bodies are connected end to end, the hook sides of the hook-and-loop fasteners are adhered to the fine hairbrushes of the hook-and-loop fasteners to form an annular closed body, and pipelines with different pipe diameters are shielded according to different adhering positions between the hook sides of the hook-and-loop fasteners and the fine hairbrushes of the hook-and-loop fasteners.

Description

TECHNICAL FIELD

[0001] The utility model relates to ionizing radiation shielding technical field, concretely relates to a high radiation level pipeline annular shielding device. BACKGROUND

[0002] The radiation level of part rooms of nuclear power plant reactor plant is high, wherein the radiation source is mostly from medium in various pipelines, and the radionuclide in the pipeline medium is mostly long half-life nuclide, which cannot be decayed to reduce the radiation level in a short time. At present, the shielding of the pipeline mainly adopts lead skin for protection, but the lead skin is heavy, and a shielding support needs to be erected in the use process, which is low in efficiency, and the shielding support cannot be erected for the room with dense pipelines. In the face of such situation, most of the maintenance personnel need to wear lead clothes and other protective articles to carry out maintenance operation, the lead clothes is heavy, which causes the operation personnel to be inconvenient to move, affects the maintenance efficiency, increases the personnel irradiation time, and is not beneficial to the health of the personnel. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a high radiation level pipeline annular shielding device, which directly shields the radiation source, reduces the radiation level of the operation room, reduces the personnel irradiation amount, and can quickly shield the high radiation level pipeline in a small space.

[0004] The utility model provides a high radiation level pipeline annular shielding device in the first aspect, wherein the device includes a flexible shielding body, the flexible shielding body is filled with a flexible radiation protection shielding material, one end of the inner surface of the flexible shielding body is designed with the hook side of a magic tape, the outer surface of the other end of the flexible shielding body is designed with the fine hair brush of the magic tape, the hook side of the magic tape and the fine hair brush of the magic tape are connected to form a ring-shaped closed body, the hook side of the magic tape and the fine hair brush of the magic tape are pasted in different positions, and the pipeline with different diameters is shielded.

[0005] The high radiation level pipeline annular shielding device, wherein the flexible shielding body is a multi-layer material superposition combination, the outer layer material adopts a material that can be easily decontaminated and flame-retardant, and the inner layer shielding material has a heat preservation function.

[0006] The high radiation level pipeline annular shielding device, wherein the flexible shielding body and the hook side of the magic tape and the fine hair brush of the magic tape are connected by knitting.

[0007] The high radiation level pipeline annular shielding device, wherein the hook side of the magic tape and the fine hair brush of the magic tape at the inner and outer ends of the flexible shielding body can be easily pasted.

[0008] The high radiation level pipeline annular shielding device, wherein the flexible shielding body is pasted and fixed at both ends to ensure that both ends of the flexible shielding body are tightly connected and do not fall off.

[0009] The high radiation level pipeline annular shielding device, wherein the flexible shielding body can shield pipelines with a pipe diameter ranging from 50mm to 500mm.

[0010] Compared with the prior art, the high radiation level pipeline annular shielding device has the following beneficial effects: the flexible shielding body is pasted and fixed at both ends by the hook side of the magic tape and the fine brush of the magic tape, so that the pipeline can be shielded in a small space, and the operation personnel do not need to wear lead clothes to carry out operation after shielding, and the working efficiency is not affected. The magic tape can be used to realize quick pasting / tearing, improve the shielding speed, and reduce the personnel radiation dose. The flexible shielding body is pasted and fixed at both ends by the hook side of the magic tape and the fine brush at different positions, so that different pipe diameters can be shielded, and the shielding device can be used in multiple occasions. The flexible shielding material has the physical property of variable shape, and compared with the conventional shielding method, the shielding annular pipeline can be tightly attached to the annular pipeline, and the annular pipeline shielding effect can be achieved. The outer surface of the shielding device is made of a flame-retardant material, so that the possibility of secondary risk of the shielding material can be reduced when shielding high-temperature pipelines. The flexible shielding material has a heat preservation effect, so that the pipeline shielding work with heat preservation requirements can be better achieved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 Fig. 1 is a use schematic view of the high radiation level pipeline annular shielding device;

[0012] Figure 2 Fig. 2 is a side view of the high radiation level pipeline annular shielding device in an unfolded state;

[0013] Figure 3 Fig. 3 is a partial enlarged view of the use schematic view A of the high radiation level pipeline annular shielding device.

[0014] Reference signs in the drawings: 1. Flexible shielding body; 2. Hook side of magic tape; 3. Fine brush of magic tape. DETAILED DESCRIPTION

[0015] In order to solve the problem of quickly shielding the high radiation level pipeline in a small space in a nuclear power plant room, the utility model provides a high radiation level pipeline annular shielding device. As shown in the drawings, Figures 1-3As shown, the shielding device comprises a flexible shielding body 1, the flexible shielding body 1 is combined by a plurality of layers of materials, the outer layer material is a material which can be easily decontaminated and contains a flame-retardant function, the inner layer is filled with a flexible radiation protection shielding material, and the shielding material has a heat preservation function. A hook side 2 of a magic tape is arranged on the inner surface of one end of the flexible shielding body 1, and a fine hair brush 3 of the magic tape is arranged on the outer surface of the other end of the flexible shielding body 1.

[0016] As shown in the drawings, Figure 1 The hook side 2 of the magic tape and the fine hair brush 3 of the magic tape are pasted to be in a pipeline shielding implementation state, as shown in the drawings, Figure 2 The hook side 2 of the magic tape and the fine hair brush 3 of the magic tape are pasted to be in a pipeline shielding implementation state, as shown in the drawings,

[0017] When the required shielding pipeline diameter is in the range of 50mm-500mm, the pasting position of the hook side 2 of the magic tape and the fine hair brush 3 of the magic tape can be adjusted to realize the close wrapping of pipelines of different sizes and realize the pipeline shielding effect. When the required shielding pipeline is too large, the radiation of the large-diameter pipeline can be shielded by making a longer flexible shielding body 1.

[0018] When the high-radiation-level pipeline annular shielding device is used in a place with a surface contamination risk, the outer surface of the shielding device is dirty, the hook side 2 of the magic tape and the fine hair brush 3 of the magic tape are connected in a knitting mode with the flexible shielding body 1, the outer surface of the flexible shielding material 1 is made of an easy-to-clean material, the flexible shielding body 1 can be decontaminated after the shielding device is dirty, and the hook side 2 of the magic tape and the fine hair brush 3 of the magic tape can be replaced to realize decontamination.

[0019] It should be noted that the combination modes of the technical features in the embodiments of the present application are not limited to the combination modes described in the embodiments of the present application or the combination modes described in the specific embodiments, and all the technical features described in the present application can be freely combined or combined in any mode, unless contradictory to each other.

[0020] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high radiation level pipeline annular shielding device, characterized in that: The device comprises a flexible shielding body (1), wherein the flexible shielding body (1) is filled with a flexible radiation protection shielding material, a hook side (2) of a Velcro is designed on one end of the inner surface of the flexible shielding body (1), and a fine brush (3) of a Velcro is designed on the outer surface of the other end of the flexible shielding body (1), wherein the flexible shielding body (1) is connected end to end and can form an annular closed body by adhering the hook side (2) of the Velcro to the fine brush (3) of the Velcro, and shielding is performed on pipes of different diameters by different pasting positions between the hook side (2) of the Velcro and the fine brush (3) of the Velcro.

2. The high radiation level pipeline annular shielding device according to claim 1, characterized in that: The flexible shielding body (1) is a combination of multiple layers of materials, the outer layer material is a flame-retardant material that can be easily decontaminated, and the inner layer shielding material has a heat-insulating function.

3. The high radiation level pipeline annular shielding device according to claim 1, characterized in that: The flexible shielding body (1), the hook side (2) of the Velcro, and the fine brush (3) of the Velcro are connected by knitting.

4. The high radiation level pipeline annular shielding device according to claim 1, characterized in that: The hook side (2) of the Velcro located at the inner and outer ends of the flexible shielding body (1) and the fine brush (3) of the Velcro can be easily attached.

5. The high radiation level pipeline annular shielding device according to claim 4, characterized in that: The two ends of the flexible shielding body (1) are glued and fastened to ensure that the two ends of the flexible shielding body (1) are tightly connected and do not fall off.

6. The high radiation level pipeline annular shielding device according to claim 1, characterized in that: The flexible shielding body (1) can shield pipelines with a diameter ranging from 50 mm to 500 mm.

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