Metal wallboard wall structure capable of returning air

Abstract

According to the metal wallboard wall structure capable of returning air, clamping elastic pieces comprise the outer clamping elastic pieces and the inner clamping elastic pieces, each first wallboard and each second wallboard are connected through the corresponding outer clamping elastic piece, the inner side of each outer clamping elastic piece is provided with one inner clamping elastic piece, H-shaped steel is clamped in each inner clamping elastic piece, and the H-shaped steel is connected with the outer clamping elastic pieces in a clamped mode. A first installation cavity is formed between every two adjacent H-shaped steel, an air return assembly is arranged in each first installation cavity, the outer wall of each air return assembly is connected with the H-shaped steel through a first connecting piece, an air outlet is formed in the top of the second wall, the output end of each air return assembly is connected with the air outlet, an air return opening is formed in the bottom of the second wall, and the input end of each air return assembly is connected with the air return opening. Through combined installation of the clamping elastic piece, the first connecting piece and the air return assembly, the structural stability is improved, the leakage risk is reduced, disassembly is convenient, and the efficient and safe air supply requirement is met.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and more specifically, to a metal wall panel structure with air return function. Background Art

[0002] A clean room refers to a space with relatively good airtightness where parameters such as air cleanliness, temperature, humidity, pressure, and noise are controlled according to requirements. The development of clean rooms is closely related to modern industry and cutting-edge technologies. Pharmaceutical workshops usually require meeting the GMP clean workshop standards, usually ISO Class 5 or ISO Class 7. Especially for the production workshops of sterile preparations (such as injections, vaccines, etc.), they usually need to reach ISO Class 5 or higher cleanliness.

[0003] The closest air return device in the prior art has the authorization announcement number: CN212227326U, a low-position air return device, including: a support frame, an air return column, a grid frame, and an air return grid. The air return column is connected to the support frame. The air return column has an air return cavity, and an air return interface is provided at the upper end of the air return column, and an air return opening is provided at the lower end of the air return column. The air return interface and the air return opening are communicated through the air return cavity. The grid frame is connected to the air return column at the air return opening, and the air return grid is connected to the grid frame.

[0004] The existing air return columns have potential risks of shaking when the air volume is too large, and cannot meet the high cleanliness requirements of pharmaceutical workshops.

[0005] In view of this, the present invention provides a stable and simple-structured metal wall panel structure with air return function. Summary of the Invention

[0006] The object of the present invention is to provide a stable and simple-structured metal wall panel structure with air return function.

[0007] A metal wall panel wall structure with air return function, comprising a first wall 1, a second wall 2, an air return component 3, and a clamping elastic sheet 4. There are a first wall 1 and a second wall 2 provided between a ceiling top plate 5 and a ground 6, and it is characterized in that: the clamping elastic sheet 4 includes an outer clamping elastic sheet 41 and an inner clamping elastic sheet 42. There are 2 pieces of the first wall 1, and a second wall 2 is provided between adjacent first walls 1. The second wall 2 is connected to the first wall 1 through the outer clamping elastic sheet 41. The first wall 1 includes 2 first wallboards 11, the second wall 2 includes 2 second wallboards 21, adjacent first wallboards 11 and second wallboards 21 are arranged in parallel, each first wallboard 11 and each second wallboard 21 are connected through the outer clamping elastic sheet 41, and an inner clamping elastic sheet 42 is provided inside each outer clamping elastic sheet 41. Each inner clamping elastic sheet 42 internally clamps an H-shaped steel 7. A first installation chamber 8 is formed between adjacent H-shaped steels 7. An air return component 3 is provided in the first installation chamber 8. The outer wall of the air return component 3 is connected to the H-shaped steel 7 through a first connecting piece 12. An air outlet 9 is provided at the top of the second wall 2, the output end of the air return component 3 is connected to the air outlet 9, and an air return port 10 is provided at the bottom of the second wall 2. The input end of the air return component 3 is connected to the air return port 10.

[0008] Further, the air return component 3 includes an air return pipe 31, a flat steel fixing plate 32, and a rubber and plastic heat insulation filling layer 33. The outer wall of the air return pipe 31 is provided with a rubber and plastic heat insulation filling layer 33, and 2 flat steel fixing plates 32 are provided on the outer wall of the rubber and plastic heat insulation filling layer 33. Each flat steel fixing plate 32 is connected to the rubber and plastic heat insulation filling layer 33 through a first self-tapping screw 35. The 2 flat steel fixing plates 32 are symmetrically arranged, so that the air return pipe 31 and the rubber and plastic heat insulation filling layer 33 are wrapped in a sandwich form. A first bending 34 is provided on the outer side of each of the 2 flat steel fixing plates 32. The end of the first bending 34 away from the air return pipe 31 is a first fixing part 341. Each first fixing part 341 is connected to the H-shaped steel 7 through a first connecting piece 12, which is convenient for installation and quick disassembly.

[0009] In some embodiments, the first connecting piece 12 includes a second self-tapping screw 121, a first angle iron 122, and a first bolt 123. 2 first angle irons 122 are provided on the side of each H-shaped steel 7 close to the air return component 3. Adjacent first angle irons 122 are symmetrically arranged. Each first angle iron 122 is fixedly connected to the H-shaped steel 7 through a second self-tapping screw 121. A second installation chamber 124 is formed between adjacent first angle irons 122. The first fixing part 341 is provided in the second installation chamber 124. Adjacent first fixing parts 341 are fixedly connected to each first angle iron 122 through a first bolt 123.

[0010] In some embodiments, the outer clamping elastic sheet 41 and the inner clamping elastic sheet 42 are symmetrically arranged, and the outer clamping elastic sheet 41 and the inner clamping elastic sheet 42 are of an integrally formed structure.

[0011] In some embodiments, the outer snap spring piece 41 includes a first hook 411 and a hook connection part 412. A first hook 411 is provided at each of the left and right ends of the hook connection part 412. Each first wall panel 11 and each second wall panel 21 are snap-connected to and abutted against the hook connection part 412; the inner snap spring piece 42 includes a first elastic limiting member 421 and an elastic limiting connection part 422. A first elastic limiting member 421 is provided at each of the left and right ends of the elastic limiting connection part 422. An H-shaped steel 7 is snap-connected inside adjacent first elastic limiting members 421.

[0012] In some embodiments, a decorative strip 13 is further provided at the connection between the second wall 2 and the first wall 1 through the outer snap spring piece 41. The decorative strip 13 is connected to the second wall 2 and the first wall 1 through sealant, playing a sealing role.

[0013] In some embodiments, a louver assembly 14 is further provided at the air return opening 10. The louver assembly 14 includes a louver air return frame 141, a second angle iron 143, and a third self-tapping screw 144. A louver air return frame 141 is provided at the air return opening 10. Limiting card slots 142 are provided above and below the louver air return frame 141 away from the air return opening 10. A second angle iron 143 is provided in the limiting card slots 142. The second angle iron 143 is fixedly connected to the input end of the air return assembly 3 through the third self-tapping screw 144 to prevent displacement when the wind speed is too high.

[0014] Furthermore, a leak-proof part 145 is further provided at the louver air return frame 141 away from the air return assembly 3 to prevent dust particles in the workshop from entering the wall panel structure due to negative pressure and at the same time prevent particles in the wall panel from entering the workshop and affecting the cleanliness, ensuring non-interference in both directions. The leak-proof part 145 includes a second bend 1451 and a first T-shaped baffle 1452. The second bend 1451 and the first T-shaped baffle 1452 are provided in sequence from bottom to top at the louver air return frame 141 away from the air return assembly 3. The second bend 1451 and the first T-shaped baffle 1452 play a leak-proof role to ensure that dust particles cannot cross and affect each other in both directions.

[0015] In some embodiments, an aluminum alloy arc dust-proof assembly 15 is further provided between the first wall 1, the second wall 2 and the ground 6 and the ceiling top plate 5 for dust prevention.

[0016] In some embodiments, a dust-proof surface 16 is further provided between the arc dust-proof assembly and the ground 6. The dust-proof surface 16 is made of epoxy or PVC material.

[0017] Advantages of the present invention: The present invention provides a metal wall panel structure with return air function. The clamping elastic piece 4 includes an outer clamping elastic piece 41 and an inner clamping elastic piece 42. A second wall body 2 is provided between adjacent first wall bodies 1. The second wall body 2 is connected to the first wall body 1 through the outer clamping elastic piece 41. The first wall body 1 includes two first wall panels 11, and the second wall body 2 includes two second wall panels 21. Adjacent first wall panels 11 and second wall panels 21 are arranged in parallel. Each first wall panel 11 and each second wall panel 21 are connected through the outer clamping elastic piece 41. An inner clamping elastic piece 42 is provided inside each outer clamping elastic piece 41. An H-shaped steel 7 is clamped inside each inner clamping elastic piece 42. A first installation chamber 8 is formed between adjacent H-shaped steels 7. An air return assembly 3 is provided in the first installation chamber 8. The outer wall of the air return assembly 3 is connected to the H-shaped steel 7 through a first connector 12. An air outlet 9 is provided at the top of the second wall body 2. The output end of the air return assembly 3 is connected to the air outlet 9. An air return opening 10 is provided at the bottom of the second wall body 2. The input end of the air return assembly 3 is connected to the air return opening 10. Through the combined installation of the clamping elastic piece 4, the first connector 12, and the air return assembly 3, the structural stability is improved, the leakage risk is reduced, and it is convenient to disassemble, meeting the requirements of efficient and safe air supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 FIG. is a schematic structural diagram of a metal wall panel structure with return air function according to the present application.

[0019] Figure 2 FIG. is a B-B cross-sectional view of a metal wall panel structure with return air function according to the present application.

[0020] Figure 3 FIG. is a partially enlarged B-B cross-sectional view of a metal wall panel structure with return air function according to the present application.

[0021] Figure 4 FIG. is an A-A cross-sectional view of a metal wall panel structure with return air function according to the present application.

[0022] Figure 5 FIG. is a partially enlarged A-A cross-sectional view of a metal wall panel structure with return air function according to the present application.

[0023] Figure 6 FIG. is a schematic structural diagram of the clamping elastic piece of a metal wall panel structure with return air function according to the present application.

[0024] Figure 7 FIG. is a schematic structural diagram of the louver air return frame of a metal wall panel structure with return air function according to the present application.

[0025] MAIN SYMBOL DESCRIPTION OF COMPONENTS:

[0026] First wall 1, first wall panel 11, second wall 2, second wall panel 21, return air component 3, return air duct 31, flat steel fixing plate 32, rubber and plastic thermal insulation filling layer 33, first bend 34, first fixing part 341, first self-tapping screw 35, clamping elastic piece 4, outer clamping elastic piece 41, first hook 411, hook connecting part 412, inner clamping elastic piece 42, first elastic limiting piece 421, elastic limiting connecting part 422, ceiling top plate 5, ground 6, H-shaped steel 7, first installation chamber 8, air outlet 9, air return opening 10, first connecting piece 12, second self-tapping screw 121, first angle iron 122, first bolt 123, second installation chamber 124, decorative strip 13, louver component 14, louver air return frame 141, limit card slot 142, second angle iron 143, third self-tapping screw 144, air leakage prevention part 145, second bend 1451, first T-shaped baffle 1452, aluminum alloy arc dust prevention component 15, dust prevention surface 16.

[0027] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. Specific embodiments

[0028] The following embodiments are described to assist in the understanding of the present application, and the embodiments are not and should not be construed in any way as limiting the scope of protection of the present application.

[0029] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).

[0030] At the same time, the connections between components or systems are not intended to be limited to direct connections. On the contrary, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled", "connected", or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections. Embodiment 1:

[0031] As Figure 1 shown, it is a structural schematic diagram of a metal wall panel wall structure with return air of the present application; as Figure 2 shown, it is a B-B cross-sectional view of a metal wall panel wall structure with return air of the present application; as Figure 3 shown, it is a partially enlarged B-B cross-sectional view of a metal wall panel wall structure with return air of the present application; as Figure 4 shown, it is an A-A cross-sectional view of a metal wall panel wall structure with return air of the present application; as Figure 5As shown, it is a partially enlarged sectional view of the A-A section of a metal wall panel structure with return air of the present application; as Figure 6 As shown, it is a schematic diagram of the snap spring structure of a metal wall panel structure with return air of the present application; as Figure 7 As shown, it is a schematic diagram of the louver return air frame structure of a metal wall panel structure with return air of the present application.

[0032] A metal wall panel structure with return air includes a first wall 1, a second wall 2, a return air assembly 3, and snap springs 4. There are a first wall 1 and a second wall 2 between the ceiling top plate 5 and the ground 6, and it is characterized in that: the snap springs 4 include outer snap springs 41 and inner snap springs 42. There are 2 first walls 1, and a second wall 2 is arranged between adjacent first walls 1. The second wall 2 is connected to the first wall 1 through the outer snap springs 41. The first wall 1 includes 2 first wall panels 11, and the second wall 2 includes 2 second wall panels 21. Adjacent first wall panels 11 and second wall panels 21 are arranged in parallel. Each first wall panel 11 and each second wall panel 21 are connected through the outer snap springs 41. An inner snap spring 42 is arranged inside each outer snap spring 41. An H-shaped steel 7 is snap-connected inside each inner snap spring 42. A first installation chamber 8 is formed between adjacent H-shaped steels 7. The return air assembly 3 is arranged in the first installation chamber 8. The outer wall of the return air assembly 3 is connected to the H-shaped steel 7 through a first connector 12. An air outlet 9 is arranged at the top of the second wall 2. The output end of the return air assembly 3 is connected to the air outlet 9. An air return port 10 is arranged at the bottom of the second wall 2. The input end of the return air assembly 3 is connected to the air return port 10.

[0033] The return air assembly 3 includes a return air duct 31, a flat steel fixing plate 32, and a rubber and plastic thermal insulation filling layer 33. The outer wall of the return air duct 31 is provided with the rubber and plastic thermal insulation filling layer 33. Two flat steel fixing plates 32 are arranged on the outer wall of the rubber and plastic thermal insulation filling layer 33. Each flat steel fixing plate 32 is connected to the rubber and plastic thermal insulation filling layer 33 through a first self-tapping screw 35. The two flat steel fixing plates 32 are symmetrically arranged, so that the return air duct 31 and the rubber and plastic thermal insulation filling layer 33 are wrapped in a clamping form. A first bending 34 is arranged on the outer side of each of the two flat steel fixing plates 32. The end of the first bending 34 far from the return air duct 31 is a first fixing part 341. Each first fixing part 341 is connected to the H-shaped steel 7 through a first connector 12, which is convenient for installation and quick disassembly.

[0034] The first connecting member 12 includes a second self-tapping screw 121, a first angle iron 122, and a first bolt 123. Two first angle irons 122 are provided on each H-shaped steel 7 close to the air return assembly 3 side, and the adjacent first angle irons 122 are symmetrically arranged. Each first angle iron 122 is fixedly connected to the H-shaped steel 7 by a second self-tapping screw 121. A second installation chamber 124 is formed between the adjacent first angle irons 122. A first fixing portion 341 is provided in the second installation chamber 124, and the adjacent first fixing portions 341 are fixedly connected to each first angle iron 122 by a first bolt 123.

[0035] The outer clamping elastic piece 41 and the inner clamping elastic piece 42 are symmetrically arranged, and the outer clamping elastic piece 41 and the inner clamping elastic piece 42 are of an integrally formed structure.

[0036] The outer clamping elastic piece 41 includes a first hook 411 and a hook connecting portion 412. A first hook 411 is provided at each of the left and right ends of the hook connecting portion 412. Each first wall panel 11 and each second wall panel 21 are clamped and abutted against the hook connecting portion 412. The inner clamping elastic piece 42 includes a first elastic limiting member 421 and an elastic limiting connecting portion 422. A first elastic limiting member 421 is provided at each of the left and right ends of the elastic limiting connecting portion 422. The adjacent first elastic limiting members 421 internally clamp the H-shaped steel 7.

[0037] A decorative strip 13 is further provided at the connection between the second wall 2 and the first wall 1 through the outer clamping elastic piece 41. The decorative strip 13 is connected to the second wall 2 and the first wall 1 by sealant, playing a sealing role.

[0038] A louver assembly 14 is further provided at the air return opening 10. The louver assembly 14 includes a louver air return frame 141, a second angle iron 143, and a third self-tapping screw 144. The air return opening 10 is provided with a louver air return frame 141. Limiting card slots 142 are provided at the upper and lower parts of the louver air return frame 141 away from the air return opening 10. A second angle iron 143 is provided in the limiting card slots 142. The second angle iron 143 is fixedly connected to the input end of the air return assembly 3 by a third self-tapping screw 144 to prevent displacement when the wind speed is too high.

[0039] A leak-proof portion 145 is further provided at the louver air return frame 141 away from the air return assembly 3 to prevent dust particles in the workshop from entering the wall structure due to negative pressure and at the same time prevent particles in the wall panel from entering the workshop and affecting the cleanliness, ensuring non-interference in both directions. The leak-proof portion 145 includes a second bending 1451 and a first T-shaped baffle 1452. The second bending 1451 and the first T-shaped baffle 1452 are provided in sequence from bottom to top at the louver air return frame 141 away from the air return assembly 3. The second bending 1451 and the first T-shaped baffle 1452 play a leak-proof role to ensure that dust particles cannot cross and affect each other in both directions.

[0040] An aluminum alloy arc dust-proof component 15 is further provided between the first wall 1, the second wall 2, the ground 6 and the ceiling top plate 5 for dust prevention.

[0041] A dust-proof surface 16 is further provided between the arc dust-proof component and the ground 6, and the dust-proof surface 16 is made of epoxy or PVC material.

[0042] Advantages of the present invention: The present invention provides a metal wall panel wall structure with return air. The clamping elastic piece 4 includes an outer clamping elastic piece 41 and an inner clamping elastic piece 42. A second wall 2 is provided between adjacent first walls 1. The second wall 2 is connected to the first wall 1 through the outer clamping elastic piece 41. The first wall 1 includes two first wall panels 11, and the second wall 2 includes two second wall panels 21. Adjacent first wall panels 11 and second wall panels 21 are arranged in parallel. Each first wall panel 11 and each second wall panel 21 are connected through the outer clamping elastic piece 41. An inner clamping elastic piece 42 is provided inside each outer clamping elastic piece 41. An H-shaped steel 7 is clamped inside each inner clamping elastic piece 42. A first installation chamber 8 is formed between adjacent H-shaped steels 7. A return air component 3 is provided in the first installation chamber 8. The outer wall of the return air component 3 is connected to the H-shaped steel 7 through a first connecting piece 12. An air outlet 9 is provided at the top of the second wall 2. The output end of the return air component 3 is connected to the air outlet 9. A return air port 10 is provided at the bottom of the second wall 2. The input end of the return air component 3 is connected to the return air port 10. Through the combined installation of the clamping elastic piece 4, the first connecting piece 12 and the return air component 3, the structural stability is improved, the leakage risk is reduced, and it is convenient to disassemble, meeting the requirements of efficient and safe air supply.

[0043] Although multiple aspects and embodiments of the present application have been disclosed, other aspects and embodiments will be obvious to those skilled in the art. Without departing from the concept of the present application, several deformations and improvements can still be made, and these all belong to the protection scope of the present application. The multiple aspects and embodiments disclosed in the present application are only used for illustration, and they are not intended to limit the present application. The actual protection scope of the present application is subject to the claims.

Claims

1. A metal wall panel wall structure capable of returning air, comprising a first wall (1), a second wall (2), a return air assembly (3), and a snap-on spring sheet (4); the first wall (1) and the second wall (2) are arranged between a ceiling plate (5) and a floor (6); and the snap-on spring sheet (4) comprises an outer snap-on spring sheet (41) and an inner snap-on spring sheet (42); the first wall (1) comprises two pieces, a second wall (2) is arranged between adjacent first walls (1), the second wall (2) is connected to the first wall (1) via the outer snap-on spring sheet (41); the first wall (1) comprises two pieces of first wall panels (11), the second wall (2) comprises two pieces of second wall panels (21), and the adjacent first wall panels (11) and second wall panels (21) are connected to each other. They are all arranged in parallel, each first wall panel (11) is connected to each second wall panel (21) via an external snap-on spring sheet (41), an internal snap-on spring sheet (42) is provided on the inner side of each external snap-on spring sheet (41), an H-shaped steel (7) is snap-oned inside each internal snap-on spring sheet (42), a first installation chamber (8) is formed between adjacent H-shaped steels (7), a return air component (3) is provided in the first installation chamber (8), an outer wall of the return air component (3) is connected to the H-shaped steel (7) via a first connecting piece (12), an air outlet (9) is provided at the top of the second wall (2), an output end of the return air component (3) is connected to the air outlet (9), a return air outlet (10) is provided at the bottom of the second wall (2), an input end of the return air component (3) is connected to the return air outlet (10).

2. The metal siding wall structure with air return according to claim 1, characterized in that: The return air assembly (3) comprises a return air duct (31), a flat steel fixing plate (32), and a rubber-plastic thermal insulation filling layer (33). The outer wall of the return air duct (31) is provided with a rubber-plastic thermal insulation filling layer (33). The outer wall of the rubber-plastic thermal insulation filling layer (33) is provided with two flat steel fixing plates (32). Each flat steel fixing plate (32) is connected to the rubber-plastic thermal insulation filling layer (33) by a first self-tapping screw 35. The two flat steel fixing plates (32) are symmetrically arranged so that the return air duct (31) and the rubber-plastic thermal insulation filling layer (33) are wrapped in a sandwiching form. A first bend (34) is provided on the outer side of the two flat steel fixing plates (32). The first bend (34) is away from the end of the return air duct (31) as a first fixing portion (341). Each first fixing portion (341) is connected to the H-shaped steel (7) by a first connecting member (12), so as to facilitate installation and convenient disassembly.

3. The metal siding wall structure with air return according to claim 1, characterized in that: The first connecting member (12) comprises a second self-tapping screw (121), a first angle iron (122), and a first bolt (123); each H-shaped steel (7) is provided with two first angle irons (122) on the side close to the return air assembly (3); adjacent first angle irons (122) are symmetrically arranged; each first angle iron (122) is fixedly connected to the H-shaped steel (7) by means of a second self-tapping screw (121); a second installation chamber (124) is formed between adjacent first angle irons (122); a first fixing portion (341) is provided in the second installation chamber (124); and adjacent first fixing portions (341) are fixedly connected to each first angle iron (122) by means of a first bolt (123).

4. The metal siding wall structure with air return according to claim 1, characterized in that: The outer snap-connecting spring piece (41) and the inner snap-connecting spring piece (42) are symmetrically arranged, and the outer snap-connecting spring piece (41) and the inner snap-connecting spring piece (42) are an integrally formed structure.

5. The metal siding wall structure with air return according to claim 1, characterized in that: The external snap-fit ​​spring piece (41) comprises a first snap hook (411) and a snap hook connection part (412), the left and right ends of the snap hook connection part (412) are each provided with a first snap hook (411), each first wall panel (11) and each second wall panel (21) are snap-fitted with the snap hook connection part (412) and abut against the snap hook connection part (412); the internal snap-fit ​​spring piece (42) comprises a first elastic stopper (421) and an elastic stopper connection part (422), the left and right ends of the elastic stopper connection part (422) are each provided with a first elastic stopper (421), and adjacent first elastic stoppers (421) are snap-fitted with H-shaped steel (7) therein.

6. The metal siding wall structure with air return according to claim 1, characterized in that: A decorative strip (13) is also provided at the connection between the second wall (2) and the first wall (1) via the external snap-on spring sheet (41); the decorative strip (13) is connected to the second wall (2) and the first wall (1) via a sealant to play a sealing role.

7. The metal siding wall structure with air return according to claim 1, characterized in that: The return air outlet (10) is also provided with a louver assembly (14), the louver assembly (14) comprising a louver return air frame (141), a second angle iron (143), and a third self-tapping screw (144). The return air outlet (10) is provided with a louver return air frame (141), and the louver return air frame (141) is provided with limit slots (142) at the top and bottom of the louver return air frame (141) away from the return air outlet (10). A second angle iron (143) is provided in the limit slot (142), and the second angle iron (143) is fixedly connected to the input end of the return air assembly (3) by the third self-tapping screw (144) to prevent displacement when the wind speed is too high.

8. The metal siding wall structure with air return according to claim 7, characterized in that: The louvered return air frame (141) is further provided with an air leakage prevention portion (145) at a location away from the return air assembly (3) to prevent dust particles in the workshop from entering the panel wall structure due to negative pressure and to prevent particles in the wall panel from entering the workshop to affect cleanliness, thereby ensuring that there is no mutual interference in both directions. The air leakage prevention portion (145) comprises a second bend (1451) and a first T-shaped baffle plate (1452). The louvered return air frame (141) is further provided with a second bend (1451) and a first T-shaped baffle plate (1452) in sequence from bottom to top at a location away from the return air assembly (3). The second bend (1451) and the first T-shaped baffle plate (1452) play a role in preventing leakage and ensuring that dust particles in both directions cannot cross-influence each other.

9. The metal siding wall structure with air return according to claim 1, characterized in that: An aluminum alloy arc dustproof component (15) is also provided between the first wall (1), the second wall (2), the ground (6), and the ceiling (5) for preventing dust.

10. The metal siding wall structure with air return according to claim 1, characterized in that: A dustproof surface (16) is also provided between the circular arc dustproof component and the ground (6), and the dustproof surface (16) is made of epoxy or PVC material.

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