CN209874882U - Sealing door for tritium-containing solid waste treatment system - Google Patents
Sealing door for tritium-containing solid waste treatment system Download PDFInfo
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- CN209874882U CN209874882U CN201920279936.0U CN201920279936U CN209874882U CN 209874882 U CN209874882 U CN 209874882U CN 201920279936 U CN201920279936 U CN 201920279936U CN 209874882 U CN209874882 U CN 209874882U
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- flashboard
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Abstract
The utility model relates to a sealing door for containing tritium solid waste processing system, including the door body, be equipped with the sealing door flashboard that can the up-and-down motion in the door frame of the door body, be equipped with in the top of the door body and be used for holding the sealed cowling of sealing door flashboard, the sealed cowling can guarantee sealing door flashboard upward movement for external gas tightness behind the sealed cowling. And an inflatable sealing strip is arranged at the sealing joint part of the door frame of the door body and the sealing door flashboard. The wall surface of the sealing door flashboard is coated with an aluminum-aluminum oxide tritium permeation prevention coating, the main body material of the inflatable sealing strip is carburized silicon rubber, and the silicon carbide can effectively prevent tritium permeation. The sealing door can realize real remote control switch and automatic sealing operation, can effectively prevent tritium from permeating and leaking, is particularly suitable for occasions with certain radioactivity or harmful gas to human bodies, can effectively reduce the time of personnel staying on site, and has very remarkable effect on the protection of personnel.
Description
Technical Field
The utility model belongs to the processing technology of tritium-containing waste, concretely relates to sealing door for tritium-containing solid waste processing system.
Background
Radioactive solid waste is one of the main wastes generated by the operation of nuclear power plants or other nuclear facilities. Storing, transporting and disposing of these wastes requires a lot of manpower, material resources and financial resources, and also requires preparation of a large storage. In order to save storage space and cost, they must be volume-reduced prior to disposal. The particularity of tritiated waste makes this type of radioactive waste subject to special considerations in disposal. Tritium has extremely strong permeability and easy diffusivity, and when the tritium-containing gas is diffused to the environment during compression treatment of the solid waste, the health of workers can be harmed, so that the tritium-containing solid waste treatment device is required to have good tightness and permeability resistance.
At present, no special volume reduction treatment equipment for tritium-containing solid waste exists. Tritium has the characteristics of low radioactivity level, easy diffusion, difficult sealing and the like. If the medicine is inhaled by a human body, direct internal irradiation is caused, and serious harm is caused to the health of the human body. In order to safely and economically dispose tritium-containing solid waste and prevent radioactive substances from entering human ecological environment in unacceptable quantity, a processing system capable of compressing and reducing volume of tritium-containing waste after drying treatment is urgently needed. Aiming at the structure of the system, the sealing and anti-seepage design of the box body are very important, but the existing sealing door structure can not meet the technical requirement of preventing tritium gas from diffusing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing door structure for containing tritium solid waste processing system to the characteristics that contain tritium solid waste processing system to when the system operation, guarantee the gas tightness of each box, and prevent the diffusion and the infiltration of tritium.
The technical scheme of the utility model as follows: the utility model provides a sealing door for containing tritium solid waste processing system, includes the door body, is equipped with the sealing door flashboard that can the up-and-down motion in the door frame of the door body, is equipped with in the top of the door body and is used for holding the sealed cowling of sealing door flashboard, the sealed cowling can guarantee sealing door flashboard upward movement for external gas tightness behind the sealed cowling.
Further, a sealing door for a tritium-containing solid waste treatment system as described above, wherein the wall surface of the sealing door shutter is coated with an aluminum-aluminum oxide tritium-permeation preventing coating.
Further, as above, the sealing door for tritium-containing solid waste treatment system, wherein the sealing joint part of the door frame of the door body and the sealing door flashboard is provided with an inflatable sealing strip, and the inflatable sealing strip is connected with the inflation and exhaust device.
Further, as above, the sealing door for tritium-containing solid waste treatment system, wherein the main body of the inflatable sealing strip is made of carburized silicon rubber, and silicon carbide therein can effectively prevent tritium from permeating.
Further, as mentioned above, the sealing door for tritium-containing solid waste treatment system, wherein a gap for the sealing door shutter to pass through is provided at the upper part of the door frame of the door body.
Further, the sealing door for the tritium-containing solid waste treatment system is characterized in that a support is arranged in the sealing cover above the door body, and a driving part connected with a sealing door flashboard is arranged on the support; the support is fixed with the guide bar, is equipped with the slider on the sealing door flashboard, and the slider can follow the guide bar and move up and down, provides the guide effect for the sealing door flashboard.
Further, the sealing door for the tritium-containing solid waste treatment system is characterized in that the driving part is an air cylinder, and the air cylinder is provided with a travel switch for indicating the opening and closing states of the sealing door flashboard.
Further, as above be used for containing tritium solid waste processing system's sealing door, wherein, be equipped with the gib block that provides the guide effect for the sealing door flashboard motion in the inside both sides of door body's door frame.
Further, as above be used for containing tritium solid waste processing system's sealing door, wherein, aerify the sealing strip setting in the sealing strip mount pad, aerify the sealing strip and aerify the sealed face that compresses tightly the sealing door flashboard after the inflation and expansion and realize sealed effect, can not cause the resistance for the motion of sealing door flashboard after the exhaust shrink.
The utility model has the advantages as follows: the utility model provides a sealing door for containing tritium solid waste processing system, actuating mechanism on the sealing door flashboard of aerifing is the cylinder, has replaced personnel's field operation. The inflatable sealing door can realize real remote control on-off and automatic sealing operation, is particularly suitable for occasions with certain radioactivity or harmful gas to human bodies, can effectively reduce the stay time of personnel on site, and has very remarkable effect on the protection of the personnel. The material of the inflatable sealing strip in the sealing door and the coating of the sealing door flashboard can effectively prevent tritium from permeating.
Drawings
FIG. 1 is a schematic diagram of the configuration of a tritium-containing solid waste treatment system;
FIG. 2 is a schematic view of the overall structure of the sealing door of the present invention;
FIG. 3 is a schematic view of the internal structure of the sealing door of the present invention;
fig. 4 is a schematic view of the sealing form of the inflatable sealing strip of the present invention.
In the figure, 1, a door body, 2, a sealing cover, 3, a sealing door flashboard, 4, a bracket, 5, an air cylinder, 6, a guide rod, 7, a sliding block, 8, a guide strip, 9, an inflatable sealing strip and 10, a sealing strip mounting seat are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The basic structure of the tritium-containing solid waste treatment system is shown in figure 1, and a sealing door is arranged at the position I in figure 1. The utility model provides a sealing door for containing tritium solid waste processing system, including the door body 1 and set up the sealed cowling 2 in door body top, as shown in figure 2.
As shown in fig. 3, a sealing door gate 3 capable of moving up and down is arranged in a door frame of the door body 1, a sealing cover for accommodating the sealing door gate 3 is arranged above the door body, and the sealing cover can ensure the air tightness of the sealing door gate after moving up to the sealing cover. The door body 1 is the installation basis of each part of the sealing door flashboard, and bolt holes are arranged on two sides of the door body 1 and used for being connected with other equipment.
In this embodiment, the sealing cover 2 is installed above the door body 1 through bolt connection, and is used for ensuring the air tightness of the whole inflatable sealing gate plate door relative to the outside. The sealed cowling comprises inside welding frame and outside covering panel, connects in order to guarantee its gas tightness through the welding mode between each part, and when sealing door flashboard 3 was opened, sealing door flashboard 3 was located sealed cowling 2, prevented that the tritium that stains from leaking and sending in the environment.
The sealing door flashboard 3 is a door plate of the sealing door and can slide up and down along a gap at the upper part of the door body. The sealing door flashboard is provided with a connecting block for being connected with a driving part, and the wall surface of the sealing door flashboard is coated with an aluminum-aluminum oxide tritium permeation preventing coating for preventing tritium permeation. The coating is formed by spraying an aluminum layer, and the aluminum layer is oxidized to form an aluminum oxide layer on the surface.
A support 4 is arranged in a sealing cover above the door body 1, is used for installing a sealing door flashboard and a driving part and is fixed on the upper part of the door body through bolt connection. Be fixed with guide bar 6 on the support 4, be equipped with slider 7 on the sealing door flashboard 3, slider 7 can be followed guide bar 6 up-and-down motion, provides the guide effect for the sealing door flashboard.
In the present embodiment, the driving means employs a cylinder 5, and the cylinder 5 is used to provide a driving force for raising and lowering the seal gate, and is a double-acting cylinder. The cylinder is provided with a travel switch for indicating the opening and closing state of the flashboard, so that the opening and closing of the flashboard door can be automatically controlled by a program. The pressure of the air supply source of the air cylinder is not lower than 0.6 MPa.
The guide rod 6 is fixed on the support 4 and used for installing a sliding block 7 of the sealing door flashboard and providing a guide effect for the up-and-down movement of the sealing door flashboard. In order to ensure the stable operation of the gate plate of the sealing door, the left and the right of the gate plate door are respectively provided with a guide rod 6.
The slider 7 is slidable on the guide rod 6 for connecting the sealing door shutter 3 and the guide rod 6. In this embodiment, slider 7 adopts self-lubricating copper sheathing structure, on the basis of reducing frictional force, provides the condition of facilitating for the maintenance of equipment.
The inside both sides of door frame of the door body are equipped with gib block 8, gib block 8 vertically installs in the internal side of door, provides the guide effect for the motion of sealing door flashboard 3.
An inflatable sealing strip 9 is arranged at the sealing joint part of the door frame of the door body and the sealing door flashboard, and the inflatable sealing strip 9 is connected with an inflating and exhausting device. The inflatable sealing strip 9 is of a hollow structure, the main body is made of carburized silicon rubber, and silicon carbide can effectively prevent tritium from permeating. The inflatable seal strip 9 can expand after being inflated, the sealing surface of the flashboard is compressed through the expansion surface to achieve the sealing effect, the sealing surface is tightly attached to the sealing surface in shape, and the sealing effect is good. The stroke of the expansion sealing surface of the used inflatable sealing strip is 15mm, and resistance can not be caused to the operation of the flashboard after the air is exhausted.
As shown in fig. 4, the inflatable sealing strip 9 is installed in the sealing strip installation seat 10, and the sealing surface is finished for ensuring the sealing performance with the inflatable sealing strip.
The set of inflatable sealing gate plate door can realize the opening and closing and sealing of the gate plate under the working condition without manual operation under the double sealing of the sealing cover and the inflatable sealing strip. When the inflatable sealing gate board door is in an open state, the inflatable sealing strip is in a contraction state; when the flashboard is driven by the cylinder to move downwards, the inflatable sealing strip keeps a contraction state; when the flashboard runs in place, the inflatable sealing strip is inflated and expanded and clings to the sealing surface of the flashboard, so that the flashboard is sealed.
Before the inflatable seal flashboard door is opened, compressed air in the inflatable seal strip is discharged, and the inflatable seal strip is in a contraction state, so that the flashboard can be ensured to smoothly rise.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. A sealing door for tritium-containing solid waste treatment system, including the door body, its characterized in that: be equipped with the sealing door flashboard that can up-and-down motion in the door frame of the door body, be equipped with in the top of the door body and be used for holding the sealed cowling of sealing door flashboard, the sealed cowling can guarantee sealing door flashboard upward movement for external gas tightness behind the sealed cowling.
2. A sealing door for tritiated solid waste treatment systems according to claim 1, characterized in that: the wall surface of the sealing door flashboard is coated with an aluminum-aluminum oxide tritium-permeation-preventing coating.
3. A sealing door for tritiated solid waste treatment systems according to claim 1, characterized in that: and an inflatable sealing strip is arranged at the sealing joint part of the door frame of the door body and the sealing door flashboard, and the inflatable sealing strip is connected with an inflating and exhausting device.
4. A sealing door for tritiated solid waste treatment systems according to claim 3, characterized in that: the main body material of the inflatable sealing strip is carburized silicon rubber, wherein silicon carbide can effectively prevent tritium from permeating.
5. A sealing door for tritiated solid waste treatment systems according to claim 1, characterized in that: and a gap for the sealing door flashboard to pass through is arranged at the upper part of the door frame of the door body.
6. A sealing door for tritiated solid waste treatment systems according to claim 1, characterized in that: a support is arranged in the sealing cover above the door body, and a driving part connected with the sealing door flashboard is arranged on the support.
7. A sealing door for tritiated solid waste treatment systems according to claim 6, characterized in that: the support is fixed with the guide bar, is equipped with the slider on the sealing door flashboard, and the slider can be followed the guide bar and moved from top to bottom, provides the guide effect for the sealing door flashboard.
8. A sealing door for tritiated solid waste treatment systems according to claim 6, characterized in that: the driving part is an air cylinder which is provided with a travel switch used for indicating the opening and closing state of the sealing door flashboard.
9. A sealing door for tritiated solid waste treatment systems according to claim 1, characterized in that: and guide strips for providing a guide effect for the movement of the sealing door flashboard are arranged on two sides in the door frame of the door body.
10. A sealing door for tritiated solid waste treatment systems according to claim 3, characterized in that: the inflatable sealing strip is arranged in the sealing strip mounting seat, the inflatable sealing strip compresses the sealing surface of the sealing door flashboard after being inflated and expanded to realize the sealing effect, and resistance cannot be caused to the movement of the sealing door flashboard after exhaust and contraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920279936.0U CN209874882U (en) | 2019-03-05 | 2019-03-05 | Sealing door for tritium-containing solid waste treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920279936.0U CN209874882U (en) | 2019-03-05 | 2019-03-05 | Sealing door for tritium-containing solid waste treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874882U true CN209874882U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920279936.0U Active CN209874882U (en) | 2019-03-05 | 2019-03-05 | Sealing door for tritium-containing solid waste treatment system |
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| CN (1) | CN209874882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763746A (en) * | 2019-03-05 | 2019-05-17 | 中国原子能科学研究院 | A kind of hermatic door for the solid waste processing system containing tritium |
-
2019
- 2019-03-05 CN CN201920279936.0U patent/CN209874882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763746A (en) * | 2019-03-05 | 2019-05-17 | 中国原子能科学研究院 | A kind of hermatic door for the solid waste processing system containing tritium |
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