Protection module

By designing a maze protection module, the combination of longitudinal and transverse frame components is used to reduce the number of protective doors, the problem of high cost of protection modules in low-temperature air separation devices is solved, and safety and economy are improved.

CN223281478UActive Publication Date: 2025-08-29LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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Patent Information

Application Number
CN202422316092.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-08-29
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

In the existing low-temperature air separation devices, the design cost of protection modules is high and the number of protective doors is large, making it difficult to effectively alleviate the domino effect and affect safety.

Method used

A maze-type protective module is designed, including adjacent first and second structural units, each having longitudinal and transverse frame members, with holes at the connection, and an entrance is provided on the transverse frame members to form a maze-type structure to reduce the number of protective doors.

Benefits of technology

Effectively avoid the domino effect, reduce the cost of protective doors, and ensure the safety of operators and provide reasonable maintenance paths.

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Abstract

The protection module is used for covering an equipment area, a rectangular inner space is defined by the protection module, the protection module is provided with a first structural unit and a second structural unit which are adjacent, the first structural unit is provided with a first longitudinal frame component with a first length in the longitudinal direction, and the second structural unit is provided with a second longitudinal frame component with a second length in the longitudinal direction. A second structural unit has a second longitudinal frame member spaced apart from and parallel to the first longitudinal frame member, where the second longitudinal frame member has the same length as the first longitudinal frame member. Protective walls are arranged on the opposite sides and the outer sides of pipelines and valve systems in an equipment area, the domino effect is effectively avoided, and safety specifications are met. The number of expensive protective doors is reduced, and the cost is reduced.
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Description

Technical Field

[0001] The present application belongs to the field of cryogenic air separation equipment and relates to a protection module. Background Art

[0002] When it comes to gaseous oxygen (GOX) piping and valve systems, areas with high pressure differentials and high gas velocities are key areas for unsafe accidents (such as fires). Moving parts in valve systems (such as check valves and safety valves), filters, piping systems, flowmeters, and joints are all potential ignition points. The Safety Guidelines for Cryogenic Air Separation Units stipulate that filters / screens, control valves, isolation valves, check valves, medium- and high-pressure oxygen regulating valves, and oxygen delivery valves should be separated by barriers (such as protective walls) to mitigate potential domino effects. A domino effect is a chain reaction in a process plant when an incident at one equipment (or source unit) spreads to other adjacent equipment (or target units) through escalating vectors. Protective walls effectively contain molten metal or debris and reduce the spread of fire to adjacent equipment. Protective walls, designed to withstand the impact of flames and block potential splashing molten metal or debris, prevent casualties.

[0003] In air separation units, common valve systems used in gaseous oxygen production pipelines include Figure 1 As shown, the valve system includes an isolation valve 101, a safety valve 102, a check valve 103, a vent valve 104, and a bypass valve 105. The valve system is housed within a protective module, which comprises two adjacent structural units 106. A protective door is provided on opposite sides of each structural unit for access by maintenance personnel. The two adjacent structural units 106 can be arranged side by side or in a maze-like layout. Protective doors that meet these standards are extremely expensive because they need to withstand the force of the jet. Therefore, reducing the number of protective doors while mitigating the domino effect is a pressing technical challenge. Utility Model Content

[0004] The purpose of the utility model is to design a protection module that can meet safety requirements and optimize the cost of protective walls and protective doors used, ensure the safety of operators and perform pipeline and valve maintenance through reasonable paths.

[0005] In order to achieve the above-mentioned objectives, the present application discloses a protective module for covering an equipment area, wherein the protective module encloses a rectangular internal space, and the protective module has adjacent first structural units and second structural units, the first structural unit having a first longitudinal frame member having a first length along the longitudinal direction, and the second structural unit having a second longitudinal frame member spaced apart from the first longitudinal frame member and parallel to the first longitudinal frame member, wherein the second longitudinal frame member has the same length as the first longitudinal frame member.

[0006] Furthermore, the first structural unit and the second structural unit each include a transverse frame member.

[0007] Furthermore, the transverse frame members in the first structural unit and the second structural unit are parallel.

[0008] Furthermore, a connecting frame member is configured at the connection between the first structural unit and the second structural unit.

[0009] Furthermore, a hole is defined between adjacent first structural units and second structural units.

[0010] Furthermore, a first entrance is provided on a longitudinal frame member or a transverse frame member in the first structural unit or the second structural unit.

[0011] Further, the first inlet is arranged on one side of the first or second structural unit along an edge of the transverse frame member.

[0012] Furthermore, adjacent structural units in the protection module are designed in a maze-like manner.

[0013] Furthermore, the labyrinth protection module includes opposite transverse frame members and longitudinal frame members, which enclose an inner space having a first entrance.

[0014] Further, the first inlet is located on the opposite side of the equipment area.

[0015] Compared with the existing technology, the technical solution provided by this application has the following advantages:

[0016] 1. There are protective walls on the opposite and outer sides of the pipeline and valve system to effectively avoid the domino effect and comply with safety regulations.

[0017] 2. Reduce the number of expensive protective doors and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The advantages and spirit of the present application can be further understood through the following detailed description and accompanying drawings.

[0019] Figure 1It is a schematic diagram of a protection module for a gaseous oxygen (GOX) pipeline and valve system in the prior art.

[0020] Figure 2 This is a schematic diagram of the protection module structure of Example 1 provided in this application.

[0021] Figure 3 This is a schematic diagram of the protection module structure of Example 2 provided in this application.

[0022] In the figure: isolation valve 101, safety valve 102, check valve 103, vent valve 104, bypass valve 105, structural unit 106, first inlet 107, hole 108, connecting frame member 109, longitudinal frame member 110, transverse frame member 111. DETAILED DESCRIPTION

[0023] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. However, it should be understood that the present application is not limited to the embodiments described below, and the technical concept of the present application can be implemented in combination with other known technologies or other technologies with the same functions as those known technologies.

[0024] In the description of the following specific embodiments, in order to clearly demonstrate the structure and working method of the present application, many directional words will be used for description, but words such as "front", "rear", "left", "right", "outside", "inside", "outward", "inward", "axial", and "radial" should be understood as convenient terms and should not be understood as restrictive terms.

[0025] In the description of the following specific embodiments, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and are therefore not to be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and do not refer to limitations on time sequence, quantity, or importance. They should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Instead, they are used solely to distinguish one technical feature from another in the technical solution. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "multiple" means two or more, unless otherwise clearly specified. Similarly, qualifiers similar to "one" appearing in this article do not refer to limitations on quantity, but rather describe technical features that have not appeared in the previous text. Similarly, unless a noun is modified by a specific quantitative quantifier, it should be regarded in this article as including both singular and plural forms. In this technical solution, the technical feature can be included in both the singular and plural. Similarly, modifiers similar to "approximately" and "approximately" that appear before a numeral in this article generally include the number itself, and their specific meaning should be understood in conjunction with the context.

[0027] It should be understood that in this application, "at least one (item)" means one or more, and "plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that three relationships can exist. For example, "A and / or B" can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following items" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0028] In this application, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," "fixed," and the like are to be interpreted broadly. For example, the connection may be fixed, removable, or integral; it may be mechanical or electrical; it may be direct or indirect through an intermediary; it may be internal communication between two components or an interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances. "Fixedly connected," "fixedly connected," or "non-movably connected" is understood to mean a connection between two or more structural members that is not configured to provide relative movement. An example of a fixed connection is a welded connection or a bolted connection, and in some cases, a weld and bolt connection. "Moveably connected," "movably connected," or "movably connected" is understood to mean a connection between two or more structural members that allows horizontal and / or vertical relative movement between the members under extreme dynamic loads. Such connections generally do not allow movement under static loads or typical dynamic loads (e.g., those imposed by light / moderate wind).

[0029] The terms “unit,” “item,” “thing,” and “module” described in this specification mean units for processing at least one function and operation and can be implemented by hardware components or software components and a combination thereof.

[0030] The term "sealed connection" or "sealable connection" denotes the feature that two component containers are connected or connectable by welding, adhesive bonding, threading or other means in such a way that when pressure is built up in order to empty the multi-chamber mixing container, no contents can escape from the multi-chamber mixing container via the sealed connection.

[0031] Unless clearly indicated to the contrary, each aspect or embodiment defined herein may be combined with any other aspect or embodiments. In particular, any feature indicated as preferred or advantageous may be combined with any other feature indicated as preferred or advantageous.

[0032] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0033] Example 1

[0034] It is useful to provide sufficient strength to the structural unit and sufficient space within the structural unit for valves, piping and maintenance personnel, while also reducing energy flow through the structural unit itself to improve the performance of the structural unit or the performance of the collection of protective modules incorporating the structural unit.

[0035] The protective modules cover any required equipment areas such as valves and pipes, enclosing a basically rectangular interior space.

[0036] like Figure 2 As shown, the protection module includes adjacent structural units 106, each of which includes a longitudinal frame member 110 and a transverse frame member 111. These longitudinal frame members 110 and transverse frame members 111 can both serve as part of a protection wall. Figure 2 Two structural units 106 are exemplarily shown. The first structural unit includes a first longitudinal frame member having a first length in the longitudinal direction. The second structural unit includes a second longitudinal frame member spaced apart from and substantially parallel to the first longitudinal frame member. The second longitudinal frame member has substantially the same length as the first longitudinal frame member.

[0037] A connecting frame member 109 is disposed at the junction of the first and second structural units. A hole 108 is defined between adjacent first and second structural units. Specifically, a hole 108 is defined in the connecting frame member 109. This hole 108 allows adjacent structural units to remain independent while remaining interconnected.

[0038] The longitudinal frame members 110 in each structural unit 106 are substantially parallel. The transverse frame members 111 in each structural unit are substantially parallel. A first entrance (e.g., a protective door) 107 is provided on one of the longitudinal or transverse frame members in adjacent structural units 106. When the first entrance 107 is opened for entry, the first structural unit and / or the second structural unit is in an open state. The protective door is arranged on one side of the structural unit along the edge of the transverse frame member.

[0039] Exemplarily, adjacent structural units 106 include only one first entrance 107 . For example, a protective door is provided at the first entrance 107 , which is located on the transverse frame member 111 .

[0040] Example 2

[0041] For example, Figure 3As shown, the adjacent structural units in the protection module are designed in a maze style. The maze-type protection module includes relative transverse frame members and longitudinal frame members, which enclose an internal space with a first entrance 107. A hole 108 is provided between adjacent structural units. The first entrance 107 is preferably provided on the transverse frame member. The uppermost end of the maze-type protection module is in an open state, and the fragments after the explosion or ejection are blocked by the frame members (preferably transverse frame members) enclosed in the internal space, thereby achieving the effect of protecting the surrounding personnel. Exemplarily, the first entrance 107 is located on the opposite side of the pipe and the valve. The maze extends from the inlet end at one end to the other end through the road section, thereby realizing the path movement through the maze.

[0042] The present invention is described in this specification as a preferred embodiment of the present invention. The above embodiments are intended to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning, or limited experimentation based on the concept of the present invention should be within the scope of the present invention.

Claims

1. A protective module for covering an equipment area, wherein the protective module encloses a rectangular interior space, characterized in that: The protection module has a first structural unit and a second structural unit adjacent to each other, wherein the first structural unit has a first longitudinal frame member having a first length along the longitudinal direction, and the second structural unit has a second longitudinal frame member spaced apart from the first longitudinal frame member and parallel to the first longitudinal frame member, wherein the second longitudinal frame member has the same length as the first longitudinal frame member.

2. The protection module according to claim 1, wherein: The first structural unit and the second structural unit each include a transverse frame member.

3. The protection module according to claim 2, wherein: The transverse frame members in the first structural unit and the second structural unit are parallel.

4. The protection module according to claim 1, wherein: A connecting frame member is configured at the connection between the first structural unit and the second structural unit.

5. The protection module according to claim 1, wherein: A hole is defined between adjacent first structural units and second structural units.

6. The protection module according to claim 1, wherein: A first entrance is provided on a longitudinal frame member or a transverse frame member in the first structural unit or the second structural unit.

7. The protection module according to claim 6, wherein: The first inlet is arranged on one side of the first or second structural unit along an edge of the transverse frame member.

8. The protection module according to claim 1, wherein: Adjacent structural units in the protection module are designed in a maze-like manner.

9. The protection module according to claim 8, wherein: The labyrinth protection module includes opposite transverse frame members and longitudinal frame members, which enclose an interior space having a first entrance.

10. The protection module according to claim 9, wherein: The first entrance is located on the opposite side of the equipment area.