Waistband-type air suit for overhauling double-cover structure thermal chamber and use method thereof

Abstract

A kind of waist bundle type gas clothes based on double cover structure hot chamber overhaul, including gas clothes upper body, gas clothes lower body, gas supply system, double cover structure;Gas clothes upper body includes helmet, glove, gas clothes upper body main body;Gas clothes lower body includes foot cover, gas clothes lower body main body outer layer, gas clothes lower body main body inner layer;Gas supply system is connected by pipeline gas clothes lower body, gas clothes upper body;When the overhaul range is accessible, half man clothes is used to carry out maintenance operation;When the range of maintenance and repair is not accessible, personnel will half man clothes be switched to waist bundle type full body gas clothes use mode, solve the problem that existing box room in spent fuel field cannot be accessed in the box half man clothes overhaul.

Description

Technical Field

[0001] This invention relates to the field of spent fuel technology. Specifically, it relates to a waist-type gas jacket for maintenance of a double-cover structure hot chamber and its usage method. Background Technology

[0002] In the field of spent fuel and in production and testing sites such as radiation processing, wearing protective gas suits is a basic radiation protection measure to prevent workers from suffering internal radiation hazards due to the ingestion of radioactive aerosols. However, in the existing process hot chamber of a certain project, the maintenance principle of the chamber is a mixed maintenance, and the workflow is as follows: personnel in maintenance compartment 16 use the half-body suit 13 set between maintenance compartment 16 and the chamber in hot chamber 14 for personnel protection to carry out maintenance work. Figure 1 Alternatively, maintenance can be performed by operating a robotic arm in the control room. However, this method has the following problems: some equipment components within the hot chamber cannot be accessed via maintenance paths; the operating range of the half-suit and robotic arm cannot cover all equipment within the hot chamber; and existing maintenance paths are inaccessible when equipment malfunctions, hindering process operation. Therefore, a waist-tightening air-cushioned suit based on a double-cover structure is designed for hot chamber maintenance, solving the problem of inaccessibility with existing half-suits. Summary of the Invention

[0003] The purpose of this invention is to design a waist-tight air suit for maintenance of a hot chamber based on a double-cover structure and its usage method, thereby solving the problem that existing half-body suits are inaccessible for maintenance.

[0004] The technical solution of the present invention is as follows: a waist-tight air suit for maintenance of hot chamber based on a double-cover structure, comprising an upper body of the air suit, a lower body of the air suit, an air supply system, and a double-cover structure;

[0005] The upper body of the airsuit includes the helmet, gloves, and the main body of the upper body of the airsuit;

[0006] The lower half of the air suit includes foot covers, an outer layer of the lower half of the air suit, and an inner layer of the lower half of the air suit.

[0007] The air supply system is connected to the lower half and upper half of the air suit via pipelines;

[0008] The hot chamber sealing cover is located between the hot chamber housing and the maintenance compartment, and a half-body garment hole is provided on the hot chamber sealing cover.

[0009] The helmet is made of transparent material and is welded to the upper body of the air suit.

[0010] The gloves have raised structures in the palm and fingertips, and raised structures in the soles of the feet.

[0011] The upper body of the air suit features an orange-petal-shaped pleated structure between the elbow joints and the lower body features a similar structure between the knee joints.

[0012] When in half-suit mode, the upper half of the air suit is installed at the half-suit hole receiving plate via a double-cover mechanism.

[0013] When in full-body air suit mode, the outer layer of the lower half of the air suit body is connected to the half-body suit hole connector, and the inner layer of the lower half of the air suit body is connected to the upper half of the air suit.

[0014] A method for using a waist-tight air suit for maintenance of a hot chamber based on a double-cover structure, wherein when the maintenance range in the hot chamber is accessible to personnel: personnel enter the maintenance compartment, the air supply system supplies air to the upper half of the air suit, the upper half of the air suit is installed at the half-suit hole receiving plate through the double-cover mechanism, and personnel use the upper half of the air suit to enter the hot chamber to carry out operations.

[0015] A method for using a waist-tight air jacket for maintenance of a double-cover structure hot chamber includes the following steps:

[0016] S1: Install the upper body of the air suit in advance at the half-body suit hole connection plate. Personnel enter the maintenance room, put on the lower body of the air suit, and move to the half-body suit hole connection plate.

[0017] S2: Connect the lower half of the air suit to the air suit supply system; the person crawls into the half-suit hole connector and puts on the upper half of the air suit, connecting the outer layer of the lower half of the air suit body to the half-suit hole connector, while connecting the inner layer of the lower half of the air suit body to the upper half of the air suit.

[0018] S3: Separate the upper part of the air suit from the half-body suit hole connector;

[0019] S4: Personnel enter the hot chamber to carry out inspection and maintenance work;

[0020] S5: The operation is completed. The personnel return to the half-suit port connection plate, put on the outer layer of the lower half of the air suit, and align the outer layer of the lower half of the air suit with the inner layer of the lower half of the air suit. The upper half of the air suit is then connected to the half-suit port connection plate. The outer layer of the lower half of the air suit is then disconnected from the half-suit port connection plate. The personnel then enter the maintenance chamber.

[0021] S6: Personnel remove their air-cushioned clothing from the lower half of their bodies and leave the maintenance room.

[0022] In S2, the outer layer of the lower half of the air-filled suit body is connected to the half-suit hole receiving plate through a double-cover structure, while the inner layer of the lower half of the air-filled suit body is connected to the upper half of the air-filled suit through the double-cover structure.

[0023] In S3, the upper part of the air-filled suit is separated from the half-suit hole connector by a double-cover structure.

[0024] The significant advantages of this invention are:

[0025] (1) Based on the research of double cover structure, a waist-band type air suit structure for hot chamber maintenance is designed. When the maintenance range is accessible, the half-person suit is used to carry out maintenance work; when the maintenance range is inaccessible, the personnel switch the half-person suit to the waist-band type full-body air suit mode to solve the problem that the half-person suit in the existing box chamber in the spent fuel field is inaccessible for maintenance.

[0026] (2) When the waist-tight full-body air suit is in standby mode, the upper half of the suit serves as a sealed boundary between the hot chamber and the maintenance compartment, isolating the atmosphere between them. The atmosphere within the lower half of the suit is isolated from the external atmosphere via a double-cap structure. During use, the lower half (outer layer) connects to the half-suit opening, acting as a sealed boundary between the hot chamber and the maintenance compartment, isolating the atmosphere. The full-body air suit, composed of the upper and lower half (inner layer), forms a sealed boundary between the atmosphere inside the hot chamber and the personnel. When personnel use the air suit, any surface contamination from radioactive materials is constantly isolated from the clean external atmosphere, preventing cross-contamination caused by the contaminated atmosphere from the air suit permeating the clean atmosphere. Attached Figure Description

[0027] Figure 1 A schematic diagram of the existing maintenance work (top view);

[0028] Figure 2 Schematic diagram of a waist-cinching air-cushioned garment;

[0029] Figure 3 A diagram (top view) illustrating the use of a half-body suit for maintenance access.

[0030] Figure 4 A diagram (top view) illustrating the use of a full-body air suit for maintenance when it is inaccessible.

[0031] Figure 5 A diagram illustrating the usage process of a waist-cinching inflatable vest (top view).

[0032] The attached diagram shows the markings and corresponding component names:

[0033] In the diagram: 11—Personnel; 12—Existing gas supply system; 13—Half-body suit; 14—Inner chamber of the hot room; 15—Half-body suit port connection plate; 16—Maintenance compartment;

[0034] 21—Lower half of the air suit (double layer); 22—Upper half of the air suit; 23—Hot chamber sealing cover; 24—Double cover structure; 25—Air supply system. Detailed Implementation

[0035] Many specific details are set forth in the following description to provide a full understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this application; therefore, this application is not limited to the specific embodiments disclosed below.

[0036] The terminology used in one or more embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the scope of one or more embodiments of this application. The singular forms “a,” “the,” and “the” used in one or more embodiments of this application and in the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” used in one or more embodiments of this application refers to and includes any or all possible combinations of one or more associated listed items.

[0037] It should be understood that although the terms first, second, etc., may be used to describe various information in one or more embodiments of this application, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, first may also be referred to as second without departing from the scope of one or more embodiments of this application, and similarly, second may also be referred to as first.

[0038] The patent will now be described in further detail with reference to the accompanying drawings.

[0039] A waist-tight air suit based on a double-cover structure for hot chamber maintenance is used inside the inner chamber 14 of the hot chamber. The inner chamber 14 is a radiation area, while the maintenance chamber 16 is a non-radiation area. The inner chamber 14 and the maintenance chamber 16 are separated by a hot chamber sealing cover 23, and a half-clothing hole receiving plate 15 is opened on the hot chamber sealing cover 23.

[0040] Includes the upper body of the air suit 22, the lower body of the air suit (double-layered) 21, the air supply system 25, and the double-lid structure 24, such as Figure 2 As shown:

[0041] The upper body of the airsuit (22) includes a helmet, gloves, and the main body of the upper body. The helmet is made of transparent material for easy observation during maintenance and is welded to the main body of the upper body. The gloves have protrusions at the palm and fingertips to increase friction when the personnel pick up items, and the gloves are molded in one piece with the main body of the upper body. The elbow joint of the main body of the upper body uses an orange-petal pleated structure to increase the usable space at the elbow joint when the personnel work with the airsuit and reduce resistance at the elbow joint.

[0042] The lower half of the air suit 21 has a double-layer structure: including foot covers, an outer layer of the lower half of the air suit, and an inner layer of the lower half of the air suit. The foot covers are molded in one piece with the air suit body. The soles of the feet are provided with protrusions to increase friction when in contact with the ground. The outer layer of the lower half of the air suit is larger than the inner layer for easy replacement. The knee joint of the lower half of the air suit adopts an orange-petal pleated structure to increase the space for personnel to use and reduce resistance during use.

[0043] The air supply system 25 ensures a balanced distribution of air passages and smooth gas exchange within the air jacket.

[0044] Double-cover structure 24: respectively installed on the lower half of the air suit 21 (inner layer), the lower half of the air suit 21 (outer layer), the upper half of the air suit 22, and the half-suit hole connection plate 15. When used in half-suit mode: the upper half of the air suit 22 can serve as the sealed boundary between the internal atmosphere of the chamber 14 in the hot chamber and the maintenance compartment 16; when used in full-body air suit mode: the lower half of the air suit 21 (outer layer) is connected to the half-suit hole connection plate 15, and the lower half of the air suit (inner layer) 21 is connected to the upper half of the air suit 22. At this time, the lower half of the air suit 21 (outer layer) is the sealed boundary between the chamber 14 in the hot chamber and the maintenance compartment 16, and the full-body air suit composed of the upper half of the air suit 22 and the lower half of the air suit 21 (inner layer) is the sealed boundary between the internal atmosphere of the chamber 14 in the hot chamber and the personnel.

[0045] In this invention example, the upper half of the waist-tight full-body air suit is installed at the half-suit hole receiving plate 15 of the hot chamber sealing cover 23 via the double cover mechanism 24, which serves as the sealing and containment boundary between the middle box and the maintenance chamber.

[0046] 1. When the maintenance scope is accessible:

[0047] ① Personnel enter the maintenance room to connect the gas supply system 25 to supply gas;

[0048] ② Personnel can directly carry out maintenance work on equipment in the hot room by using the upper body of the air suit 22.

[0049] 2. When the scope of maintenance is inaccessible ( Figure 5 ):

[0050] ① Personnel enter the maintenance compartment, put on the lower half of the air-filled suit 21 (double-layered), and move to the half-suit hole receiving plate 15 of the hot chamber sealing cover 23;

[0051] ② Connect the air supply system 25 to the lower half of the air suit 21 (double layer); connect the lower half of the air suit 21 (outer layer) to the half-suit hole receiving plate 15 through the double cover structure 24, and connect the inner layer of the lower half of the air suit 21 to the upper half of the air suit 22 through the double cover structure 24.

[0052] ③The upper half of the air suit 22 is separated from the half-suit hole connector 15 by the double cover structure 24;

[0053] ④ Personnel use waist-cinching full-body air suits to carry out inspection and maintenance work in the heated chamber;

[0054] ⑤ Once the operation is completed, the personnel arrive at the half-suit hole receiving plate 15, put on the lower half of the air suit 21 (outer layer), align the lower half of the air suit 21 (outer layer) with the lower half of the suit 21 (inner layer), align the upper half of the air suit 22 with the half-suit hole receiving plate 15, and detach the outer layer of the lower half of the full-body air suit from the half-suit hole receiving plate 15.

[0055] ⑥ Personnel remove their air-cushioned clothing (double-layered) from the lower half and leave the maintenance area.

[0056] In this invention, the structural design is reasonable, and while fulfilling the functionality, it solves the problem of inaccessibility during maintenance of existing half-body garments.

[0057] The above description is merely a preferred embodiment of this patent and is not intended to limit this patent. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this patent shall be included within the scope of protection of this patent.

[0058] It should be noted that, for the sake of simplicity, the foregoing method embodiments are all described as a series of actions. However, those skilled in the art should understand that this application is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to this application. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to this application.

[0059] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0060] The preferred embodiments disclosed above are merely illustrative of this application. The optional embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this application. These embodiments are selected and specifically described in this application to better explain the principles and practical applications of this application, thereby enabling those skilled in the art to better understand and utilize this application.

Claims

1. A method for using a waist-tight air jacket for maintenance of a double-cover structure hot chamber, characterized in that: The air suit includes an upper body (22), a lower body (21), an air supply system (25), and a double-cover structure (24); The upper body of the air suit (22) includes the helmet, gloves, and the main body of the upper body of the air suit; The lower half of the air suit (21) includes foot covers, an outer layer of the main body of the lower half of the air suit, and an inner layer of the main body of the lower half of the air suit; The air supply system (25) is connected to the lower half (21) and upper half (22) of the air suit via pipelines; The hot chamber sealing cover (23) is located between the hot chamber housing (14) and the maintenance compartment (16), and a half-body garment hole receiving plate (15) is opened on the hot chamber sealing cover (23); When in full-body air suit mode, the outer layer of the lower half of the air suit (21) is connected to the half-body suit hole connector (15), and the inner layer of the lower half of the air suit (21) is connected to the upper half of the air suit (22). The usage method includes the following steps: S1: Install the upper half of the air suit (22) in advance at the half-suit hole connector (15), and the personnel enter the maintenance room (16), put on the lower half of the air suit (21), and move to the half-suit hole connector (15). S2: Connect the lower half of the air suit (21) to the air suit supply system (25); the person crawls into the half-suit hole connector (15) and puts on the upper half of the air suit (22), and connects the outer layer of the lower half of the air suit (21) to the half-suit hole connector (15), while connecting the inner layer of the lower half of the air suit (21) to the upper half of the air suit (22); S3: Disconnect the upper half of the air suit (22) from the half-suit hole connector (15); S4: Personnel enter the inner chamber (14) of the hot chamber to carry out inspection and maintenance work; S5: The operation is completed. The personnel return to the half-body garment hole connector (15), put on the outer layer of the lower body of the air suit (21), and align the outer layer of the lower body of the air suit (21) with the inner layer of the lower body of the air suit (21), while the upper body of the air suit (22) is connected to the half-body garment hole connector (15). The outer layer of the lower body of the air suit (21) is separated from the half-body garment hole connector (15), and the personnel enter the maintenance room (16). S6: Personnel remove their air-cushioned clothing from the lower half (21) and leave the maintenance room (16).

2. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: When the maintenance personnel can access the area within the housing (14) in the hot chamber: personnel enter the maintenance room (16), the air supply system (25) supplies air to the upper half of the air suit (22), the upper half of the air suit (22) is installed at the half-suit hole receiving plate (15) through the double cover mechanism (24), and personnel enter the housing (14) in the hot chamber to carry out operations.

3. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: In S2, the outer layer of the lower body of the air-cloth lower half (21) is connected to the half-cloth hole receiving plate (15) through the double cover structure (24), while the inner layer of the lower body of the air-cloth lower half (21) is connected to the upper body of the air-cloth (22) through the double cover structure (24).

4. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: In S3, the upper body (22) of the air-filled suit is separated from the half-suit hole receiving plate (15) by the double cover structure (24).

5. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: The helmet is made of transparent material and is welded to the upper body of the air suit.

6. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: The gloves have raised structures in the palm and fingertips, and raised structures in the soles of the feet.

7. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: The upper body of the air suit features an orange-petal-shaped pleated structure between the elbow joints and the lower body features a similar structure between the knee joints.

8. The method of using a waist-tight air jacket for maintenance of a double-cover structure hot chamber according to claim 1, characterized in that: When in half-suit mode, the upper half of the air suit (22) is installed at the half-suit hole receiving plate (15) via the double cover mechanism (24).

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