CN219017256U

CN219017256U - Waste container and radioactive waste storage device

Info

Publication number: CN219017256U
Application number: CN202223444166.1U
Authority: CN
Inventors: 蔡挺松; 赵景宇; 张敬辉; 刘铁军; 梁永丰; 杜佳辉; 孙宇凡; 陈英初
Original assignee: China Nuclear Power Engineering Co Ltd
Current assignee: China Nuclear Power Engineering Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a waste container, which comprises a container body and a top cover, wherein a cavity for accommodating a waste body is formed in the middle of the container body, an opening for connecting the top cover is formed in the top of the container body, a limiting mechanism is arranged in the container body, the limiting mechanism comprises a first protruding part which is arranged on the inner side wall of the container body in a protruding mode, the first protruding part is made of an elastic material and is annular around the axis of the container body, and the inner diameter of the first protruding part is not larger than the outer diameter of the waste body and/or the top cover. The waste container changes the condition that the existing sealed container is easy to generate a cavity, and ensures the integrity of the sealing of the waste body. The utility model also provides a storage device for radioactive waste, which is used for storing waste objects.

Description

Waste container and radioactive waste storage device

Technical Field

The utility model belongs to the technical field of waste treatment, and particularly relates to a waste container and a radioactive waste storage device.

Background

Some waste, especially radioactive waste, that requires special treatments such as grout sealing is often produced in industrial processes. Nuclear facilities produce significant amounts of radioactive waste during operation, and these treated and conditioned waste bodies (e.g., waste drums or waste bags of similar construction) are compressed to form waste drum cakes that need to be filled into specific containers to meet storage or disposal requirements.

When the treated and prepared waste is loaded into a waste container, it is necessary to place it in the container, then cap it, and perform grouting. The waste objects are completely sealed in the container by grouting. However, when grouting, if the density of the radioactive waste objects is smaller than that of the grouting material, the radioactive waste objects float upwards under the buoyancy action of the grouting material, so that the top cover is jacked up, and once the top cover is shifted or the cover is not tight, the poor sealing effect and even the sealing failure are caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a waste container for ensuring the sealing integrity of waste objects aiming at the defects in the prior art. And provides a storage device for radioactive waste, which is used for storing waste objects.

The utility model provides a waste container, which comprises a container body and a top cover, wherein a cavity for accommodating a waste body is formed in the middle of the container body, an opening for connecting the top cover is formed in the top of the container body, a limiting mechanism is arranged in the container body, the limiting mechanism comprises a first protruding part which is arranged on the inner side wall of the container body in a protruding mode, the first protruding part is made of elastic materials and is annular around the axis of the container body, and the inner diameter of the first protruding part is not larger than the outer diameter of the waste body and/or the top cover.

Preferably, the first protruding portion includes a plurality of buckles, and each buckle is evenly arranged on the inside wall of the container body along the annular band around the axis of the container body.

Preferably, the surface of the first protrusion facing the top of the container body is a slope, and the slope gradually slopes downward from a side near the inner wall of the container body to a side near the center of the container body.

Preferably, the first protruding portion is arranged below the top cover and is used for limiting waste objects from the circumferential direction, the first protruding portion is arranged in parallel, the first protruding portions are sequentially distributed on the inner side wall of the container body from top to bottom, and the protruding portions protrude out of the inner wall surface of the container body to be consistent in height.

Preferably, the first protruding part is arranged at the top edge of the inner side wall of the container body and is used for limiting the top cover from the circumferential direction, an annular groove is formed in the outer side wall of the top cover, and a plurality of notches penetrating through the annular groove from bottom to top are formed in the bottom of the top cover; the number and the positions of the notches are corresponding to the buckles of the first protruding portion.

Preferably, when the buckle is positioned in the annular groove, the surface of the buckle facing the bottom of the container body is attached to the lower edge of the annular groove.

Preferably, the limiting mechanism further comprises a second protruding portion, the second protruding portion is arranged on the bottom wall of the top cover in a protruding mode, the second protruding portion is arranged in a plurality of mode, the second protruding portions are evenly distributed on the bottom wall of the top cover, and the protruding portions of the second protruding portions are identical in height on the surface of the bottom wall of the top cover.

Preferably, the limiting mechanism further comprises a third protruding portion protruding from the inner bottom wall of the container body, and the waste body is placed on the third protruding portion.

Preferably, the plurality of third protrusions are provided, each of the third protrusions is uniformly distributed on the inner bottom wall of the container body, and each of the third protrusions protrudes from the inner bottom wall surface of the container body to have uniform height.

The utility model provides a radioactive waste storage device, which comprises the waste container, wherein the waste container is provided with a waste object in a sealing manner through grouting, and the waste object is a radioactive waste object.

According to the waste container, the limiting mechanism for limiting the waste body or the top cover is arranged in the container body, so that the situation that the top cover is shifted due to the fact that the waste body jacks up the top cover can be effectively prevented. Therefore, after the waste body is placed in the container, the top cover cannot be lifted due to the limitation of the limiting mechanism, so that the waste can be completely sealed in the container no matter what the density of the grouting material is, and because of the fact, any grouting material can be adopted, and the grouting device has a wider application range.

The radioactive waste storage device of the utility model can well seal radioactive waste bodies and avoid the problems of sealing filling failure and the like due to the adoption of the waste container.

Drawings

FIG. 1 is a schematic view showing the internal structure of a waste container in embodiment 1 of the present utility model;

FIG. 2 is a schematic cross-sectional view at A-A in FIG. 1;

FIG. 3 is a schematic view showing the internal structure of a waste container in embodiment 2 of the present utility model;

FIG. 4 is a schematic view showing the structure of a waste container top cover in example 2 of the present utility model;

FIG. 5 is a schematic cross-sectional view at B-B in FIG. 3;

fig. 6 is a schematic cross-sectional view at C-C in fig. 3.

In the figure: 1. a container body; 2. waste objects; 3. a limiting mechanism; 31. a first boss; 32. a second protruding portion; 33. a third boss; 4. a top cover; 41. an annular groove; 42. and (5) a notch.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent, and the embodiments described in detail, but not necessarily all, in connection with the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that, the terms "upper," "lower," and the like indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience and simplicity of description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "configured," "mounted," "secured," and the like are to be construed broadly and may be either fixedly connected or detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Example 1

As shown in fig. 1, the waste container of this embodiment includes a container body 1 and a top cover 4, wherein a cavity for accommodating a waste body 2 is provided in the middle of the container body 1, an opening for connecting the top cover 4 is provided in the top portion, a limit mechanism 3 is provided in the container body 1, the limit mechanism 3 includes a first protruding portion 31 protruding on an inner side wall of the container body 1, the first protruding portion 31 is made of an elastic material and is ring-shaped around an axis of the container body 1, and an inner diameter of the first protruding portion 31 is not larger than an outer diameter of the waste body 2 and/or the top cover 4.

In this embodiment, the inner diameter of the first protruding portion 31 is not larger than the outer diameter of the waste body 2, and the first protruding portion 31 is provided below the top cover 4 for restricting the waste body 2 from the circumferential direction, and the waste body 2 is prevented from floating upward to cause displacement of the top cover 4 by restricting the position of the waste body 2. The limiting mechanism 3 is suitable for waste barrels with good structural integrity and more regular shapes. When the scheme of the embodiment is used, a first protruding portion 31 with an inner diameter not larger than the outer diameter of the top cover 4 can be further arranged at the opening of the container body 1, so that the top cover 4 is limited, and the top cover 4 is further prevented from being jacked up.

After the waste body 2 is placed inside the container, since the inner diameter of the first protrusion 31 is not larger than the outer diameter of the waste body 2. The inner diameter is provided to ensure that the first protrusion 31 can contact the waste body 2. Because the first protruding portion 31 has elasticity, so the waste object 2 can enter the container body 1 under the action of gravity, when the waste object 2 has the trend of up-and-down movement due to the buoyancy of the grouting material, the first protruding portion 31 can be pressed on the side wall of the waste object 2 again, and the displacement limiting effect is achieved.

With the waste container of the present embodiment, since the position of the waste object 2 has been defined, the top cover 4 can be prevented from being pushed open regardless of the density of the grouting material, so that the waste is completely sealed in the container. And because of this, the utility model can adopt any grouting material, such as concrete mortar, organic sealing material, etc., and has wider application range.

In addition, since the limiting mechanism 3 protrudes from the inner wall of the container body 1, the waste body 2 is separated, and a sufficient gap exists between the outer surface of the waste body 2 and the inner wall of the container, which is beneficial to the discharge of the gas around the waste body 2, so that the grouting material can fill the gap between the inner wall of the container and the outer surface of the waste body 2. The first protrusions 31 also allow for automatic centering of the waste object 2 as it enters the container, ensuring a uniform gap width around the waste object 2. The sealing device also plays a role in separating the side wall of the container from the side wall of the waste body 2, and avoids the problem of sealing failure such as insufficient filling in a gap caused by contact of the side wall of the container and the side wall of the waste body 2. In this embodiment, the first boss 31 may be made of alloy spring steel or the like.

The first boss 31 may be a complete ring shape. In this embodiment, in order to allow the grouting material to enter the gap between the waste body 2 and the container body 1 and the bottom of the waste body 2, the first protrusion 31 is not a completely continuous annular structure, but includes a plurality of buckles, and each buckle is uniformly arranged on the inner side wall of the container body 1 along the annular band around the axis of the container body 1, so that the annular first protrusion 31 can also be formed. When the waste object 2 floats up, there is at least one contact point between the side wall of the waste object 2 and the first protrusion 31. The buckle is arranged on the inner side wall of the container body 1, and one side connected with the container is embedded into the side wall of the container body 1.

Wherein, each buckle protrudes out of the height of the inner side wall of the container body 1 to be uniform, so that the first protruding part 31 can uniformly contact the waste object 2 in the circumferential direction of the waste object 2, and the thickness of the sealing layer around the waste object 2 is uniform.

In the present embodiment, the surface of the first boss 31 facing the top of the container body 1 is a smooth inclined surface, and the inclined surface gradually slopes downward from the side near the inner wall of the container body 1 to the side near the center of the container body 1. This slope conforms to the tendency of the waste object 2 to enter the container body 1 without restricting the entry of the waste object 2.

In this embodiment, a plurality of first protrusions 31 are disposed in parallel, the plurality of first protrusions 31 are sequentially disposed on the inner sidewall of the container body 1 from top to bottom, and the heights of the first protrusions 31 protruding from the inner wall surface of the container body 1 are uniform.

That is, the plurality of annular first protrusions 31 are provided on the inner side wall of the container body 1, the plurality of first protrusions 31 are uniformly distributed from top to bottom along the axis of the container body 1, and the heights of the first protrusions 31 protruding from the inner side wall of the container body 1 are uniform, that is, the inner diameters are uniform.

The uniformly distributed first protrusions 31 can provide uniform and stable support for the waste body 2, and the height of each first protrusion 31 protruding from the inner wall surface is uniform, so that tilting of the waste body 2 after contact therewith can be avoided, so that contact of the waste body 2 with the side wall of the container body 1 is not caused, and uneven thickness of the sealing layer is avoided.

In this embodiment, the limiting mechanism 3 further includes a third protrusion 33, the third protrusion 33 is disposed on the inner bottom wall of the container body 1 in a protruding manner, and the waste body 2 is placed on the third protrusion 33 in a cushioning manner.

After the sealing material flows into the container body 1, the waste body 2 having a relatively high density is sunk and contacts with the third boss 33 at the bottom, and the sealing material fills the bottom cavity formed by the waste body 2 supported by the third boss 33.

The third raised portion 33, acting as a support point, can be in contact with the waste body 2 to form a concave structure with voids, facilitating the evacuation of the waste bottom gas and the complete sealing of the waste bag. The third protruding part 33 may be an integrally formed structure of the waste container during production, that is, the third protruding part 33 and the container body 1 are integrally formed by adopting the same material; other materials can be used to connect to the waste container in a fastening, anchoring or other manner, which has the effect of separating the inner wall of the waste container from the waste body 2.

In the present embodiment, the third protrusions 33 are provided in plurality, each third protrusion 33 is uniformly distributed on the inner bottom wall of the container body 1, and each third protrusion 33 protrudes from the inner bottom wall surface of the container body 1 to have a uniform height. The uniformly distributed third protrusions 33 can provide uniform and stable support for the waste body 2, and the height of each third protrusion 33 protruding from the inner wall surface is uniform, so that tilting of the waste body 2 after contact therewith can be avoided, so that contact of the waste body 2 with the side wall of the container body 1 is not caused, and uneven thickness of the sealing layer is avoided.

As shown in fig. 2, the third protrusion 33 includes a circular protrusion provided at the center of the inner bottom wall of the container, and three protrusions surrounding the circular protrusion, forming a flow guide groove with smooth flow lines; the diversion trench can enable the grouting material to fill the bottom of the container, thereby being beneficial to the discharge of the gas at the bottom of the waste and the complete sealing of the waste bag. The four bosses together raise the waste object 2. In other embodiments, the number and placement of the protrusions may also be modified as appropriate.

Example 2:

as shown in fig. 3 to 6, the waste container of the present embodiment is substantially identical to that of embodiment 1, except that, as shown in fig. 3, the waste container of the present embodiment has the first boss 31 having an inner diameter not larger than the outer diameter of the top cover 4, the first boss 31 being provided at the top edge of the inner side wall of the container body 1 for restricting the top cover 4 from the circumferential direction.

The limiting mechanism 3 is suitable for waste barrel cakes which are in multi-block shapes and irregular in shape, and the position of the top cover 4 is directly limited, so that the top cover 4 is prevented from being pushed up or moved by the floating waste body 2. When the scheme of the embodiment is used, a plurality of first protruding parts 31 with the inner diameter not larger than the outer diameter of the waste body 2 can be further arranged in the middle of the inner wall of the container body 1, so that the waste body 2 is limited, and the top cover 4 is further prevented from being jacked up.

In this embodiment, as shown in fig. 3 and 6 (for simplifying the view structure, the second protruding portion 32 is not shown in fig. 6), the first protruding portion 31 includes a plurality of buckles, each buckle is uniformly arranged on the inner side wall of the container body 1 along the annular band around the axis of the container body 1, the outer side wall of the top cover 4 is provided with an annular groove 41, and the bottom of the top cover 4 is also provided with a plurality of notches 42 penetrating through the annular groove 41 from bottom to top; the number and positions of the notches 42 correspond to the respective buckles of the first protruding portion 31. The notch 42 is slightly larger in size than the buckle, facilitating the disengagement of the buckle. In order to further enhance the limiting capability, in this embodiment, the inner diameter of the first protruding portion 31 is smaller than the outer diameter of the top cover 4, and even the inner diameter of the first protruding portion 31 may be set to be not larger than the bottom diameter of the annular groove 41, that is, to ensure that the snap-in annular groove 41 will not come out under external force.

Before placing the waste, when it is necessary to open the top cover 4, the top cover 4 is turned so that the notch 42 reaches the snap-in position, after which the top cover 4 can be lifted upwards. Then when the top cover 4 is buckled, the top cover 4 is directly put down, and the buckle is automatically clamped into the annular groove 41 due to certain elasticity, so that the top cover 4 can be directly closed under the action of gravity, the top cover 4 can not be loosened, and the sealing cover is convenient. This way of opening and closing is advantageous for storage and use. The number of the buckles can be set or increased or decreased appropriately according to the needs.

The buckle is made of elastic materials, and in the embodiment, the buckle can also be made of alloy spring steel materials. The side to which the container is attached is embedded in the container side wall. And the buckle is located in the annular groove 41, and its surface towards the container bottom is laminated with annular groove 41 lower limb, so top cap 4 receives spacing unable reciprocates, when waste object 2's density is less than grouting material, even if contacted top cap 4, also can't promote top cap 4, top cap 4 also can not take place the displacement when filling, so can not lead to sealed inefficacy scheduling problem.

According to the waste container disclosed by the utility model, the top cover 4 does not displace during grouting, so that waste can be completely sealed in the container, and the top cover 4 is convenient to open and close, thereby being beneficial to storage and use.

In this embodiment, the limiting mechanism 3 further includes a second protruding portion 32, where the second protruding portion 32 is protruding on the bottom wall of the top cover 4, the second protruding portion 32 is provided in plurality, the plurality of second protruding portions 32 are uniformly distributed on the bottom wall of the top cover 4, and the heights of the protruding portions 32 protruding on the bottom wall surface of the top cover 4 are consistent.

The second raised portion 32, acting as a support point, can be in contact with the waste body 2 to form a concave structure with voids, facilitating the evacuation of the waste bottom gas and the complete sealing of the waste bag. The second protruding portion 32 may be an integrally formed structure of the waste container during production, that is, the second protruding portion 32 and the top cover 4 are integrally formed by adopting the same material, or may be connected to the waste container by adopting other materials in a fastening connection, anchoring or other manners, so as to achieve the effect of separating the inner wall of the waste container from the waste body 2.

The less dense waste body 2 floats up under the influence of buoyancy to contact the second boss 32, and the sealing material fills the cavity formed by the top of the waste body 2 supported by the second boss 32, thereby completely sealing the waste body 2 in the container.

The uniformly distributed second protrusions 32 can provide uniform and stable support for the waste body 2, and the height of each second protrusion 32 protruding from the inner wall surface is uniform, so that tilting of the waste body 2 after contact therewith can be avoided, so that contact of the waste body 2 with the side wall of the container body 1 is not caused, and uneven thickness of the sealing layer is avoided.

As shown in fig. 4, the second protruding portion 32 is a plurality of arc-shaped strips arranged along a circle, and gaps exist between the arc-shaped strips, so that filling is facilitated. In other embodiments, the shape and position of the second boss 32 may also be changed as appropriate.

Example 3

The radioactive waste storage device of this embodiment includes the waste container of embodiment 1 or embodiment 2, the waste container is provided with the waste object 2 by grouting sealing, and the waste object 2 is a radioactive waste object.

Due to the adoption of the waste container, the radioactive waste body 2 can be well sealed, and the problems of sealing filling failure and the like are avoided.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims

1. A waste container, characterized by: comprises a container body (1) and a top cover (4), wherein the middle part of the container body (1) is provided with a cavity for accommodating the waste body (2), the top part is provided with an opening for connecting the top cover (4),

the novel container is characterized in that a limiting mechanism (3) is arranged in the container body (1), the limiting mechanism (3) comprises a first protruding portion (31) protruding on the inner side wall of the container body (1), the first protruding portion (31) is made of elastic materials and is annular around the axis of the container body (1), and the inner diameter of the first protruding portion (31) is not larger than the outer diameter of the waste body (2) and/or the top cover (4).

2. The waste container of claim 1, wherein: the first protruding portion (31) comprises a plurality of buckles, and all the buckles are uniformly distributed on the inner side wall of the container body (1) along an annular band surrounding the axis of the container body (1).

3. The waste container of claim 1, wherein: the surface of the first protruding part (31) facing the top of the container body (1) is an inclined surface, and the inclined surface gradually inclines downwards from one side close to the inner wall of the container body (1) to one side close to the center of the container body (1).

4. The waste container of claim 1, wherein: the first protruding part (31) is arranged below the top cover (4) and is used for limiting the waste objects (2) from the circumferential direction,

the first protruding portions (31) are arranged in parallel, the first protruding portions (31) are sequentially distributed on the inner side wall of the container body (1) from top to bottom, and the first protruding portions (31) protrude out of the inner wall surface of the container body (1) to be uniform in height.

5. The waste container of claim 2, wherein: the first protruding part (31) is arranged at the top edge of the inner side wall of the container body (1) and used for limiting the top cover (4) from the circumferential direction,

the outer side wall of the top cover (4) is provided with an annular groove (41), and the bottom of the top cover (4) is also provided with a plurality of notches (42) which penetrate through the annular groove (41) from bottom to top;

the number and the positions of the notches (42) are corresponding to the buckles of the first protruding part (31).

6. The waste container of claim 5, wherein: when the buckle is positioned in the annular groove (41), the surface of the buckle facing the bottom of the container body (1) is attached to the lower edge of the annular groove (41).

7. The waste container of claim 5, wherein: the limiting mechanism (3) also comprises a second protruding part (32), the second protruding part (32) is arranged on the bottom wall of the top cover (4) in a protruding way,

the second protruding portions (32) are arranged in a plurality, the second protruding portions (32) are uniformly distributed on the bottom wall of the top cover (4), and the protruding portions (32) protrude out of the surface of the bottom wall of the top cover (4) to be uniform in height.

8. The waste container of any one of claims 1 to 7, wherein: the limiting mechanism (3) further comprises a third protruding portion (33), the third protruding portion (33) is arranged on the inner bottom wall of the container body (1) in a protruding mode, and the waste body (2) is placed on the third protruding portion (33) in a cushioning mode.

9. The waste container of claim 8, wherein: the third bosses (33) are provided in plurality, each third boss (33) is uniformly distributed on the inner bottom wall of the container body (1), and each third boss (33) protrudes from the inner bottom wall surface of the container body (1) to be uniform in height.

10. A radioactive waste storage device characterized by: comprising the waste container of any one of claims 1 to 9,

the waste container is provided with a waste object (2) through grouting sealing, and the waste object (2) is a radioactive waste object.