Fireproof integrated sheet iron air duct

Abstract

The utility model relates to a fireproof integrated sheet iron air duct, which belongs to the field of air ducts and comprises sealing mechanisms arranged on the upper side and the lower side of an air duct body, and each sealing mechanism comprises two air duct ends. According to the fireproof integrated plate iron sheet air pipe, the fireproof integrated assembly is arranged inside and comprises the outer side protection plate layer, the fireproof plate layer and the heat insulation layer, the fireproof performance of the air pipe is remarkably improved, the more reliable sealing effect is provided through the design of a sealing mechanism, air leakage is prevented, and the elastic sealing sleeve is rapidly replaced; an aged sealing sleeve is allowed to be replaced under the condition that the air pipe body is not detached, the maintenance process is simplified, the maintenance time and cost are reduced, the fireproof plate layer and the inner and outer side protection plate layers are made of galvanized thin steel plates, high-strength anti-corrosion aluminum foil coatings are used, the corrosion resistance and durability of the air pipe are improved, and through the fireproof integrated design, the service life of the air pipe is prolonged. The fire risk is reduced, and the safety of the whole ventilation system is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air ducts, in particular to a fireproof integrated board iron sheet air duct. Background Technique

[0002] An air duct is a pipeline system used for transporting and distributing air, and is widely used in the ventilation, air conditioning, smoke exhaust and air purification systems of buildings. The main function of the air duct is to transport air from one area to another area to ensure the circulation and quality of indoor air. It can be used in the air supply, exhaust, return air and fresh air systems. In the prior art, iron sheet air ducts are often fabricated modularly, and multiple iron sheet air ducts are installed and connected according to requirements to form an air duct, and bolts are often used in cooperation with flanges for installation during installation.

[0003] When the air duct is in use and the sealing material is not replaced in time, it may affect the sealing performance of the air duct. Because when the air duct is installed, sealing materials such as sealing rings or sealants are installed on the connection end faces to prevent air leakage. However, due to the thermal expansion and contraction of the air duct or the vibration during system operation, the sealing material will be subjected to continuous mechanical stress, resulting in material fatigue and aging, and thus the sealing performance will decline. Therefore, a fireproof integrated board iron sheet air duct is proposed to solve the above technical problems. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a fireproof integrated board iron sheet air duct, which has the advantages of being convenient for replacement and improving the sealing performance, and solves the problem that due to the thermal expansion and contraction of the air duct or the vibration during system operation, the sealing material will be subjected to continuous mechanical stress, resulting in material fatigue and aging, and thus the sealing performance will decline.

[0005] To achieve the above object, the utility model provides the following technical scheme: a fireproof integrated board iron sheet air duct, including a sealing mechanism arranged on the upper and lower sides of the air duct main body;

[0006] The sealing mechanism includes two air duct ends, the two air duct ends are respectively arranged on the upper and lower sides of the air duct main body, a positioning insertion ring is fixed on the lower surface of the lower air duct end, a positioning groove for inserting the positioning insertion ring is opened on the upper surface of the upper air duct end, four clamping grooves are opened on the outer side of the upper air duct end, a sealing groove corresponding to the position of the clamping groove is opened on the outer side of the positioning insertion ring, and an insertion plate is inserted into the clamping groove and the sealing groove, and an elastic sealing sleeve is arranged on the outer side of the insertion plate for filling the gap at the connection for sealing, and a fireproof integrated component is arranged inside the air duct main body to enhance the integrated combined fireproof performance of the air duct;

[0007] The fireproof integrated component includes an outer protection plate layer arranged inside the air duct main body. A fireproof board layer is provided inside the outer protection plate layer, and a heat insulation layer is filled between the side of the fireproof board layer opposite to the outer protection plate layer. An inner protection plate layer is provided on the inner wall of the fireproof board layer.

[0008] Furthermore, a plurality of mounting plates are provided on the outer sides of the two ends of the air duct, and the upper and lower mounting plates are connected by bolts.

[0009] Furthermore, a wrapping edge strip is provided on the outer side of the air duct main body, and the wrapping edge strip is installed with the fireproof integrated component by bolts.

[0010] Furthermore, both the outer protection plate layer and the inner protection plate layer are galvanized thin steel plate layers to provide additional protection against rust.

[0011] Furthermore, the fireproof board layer is a calcium silicate board layer, the heat insulation layer is a rock wool layer, and the heat insulation layer is bonded to the fireproof board layer by an adhesive.

[0012] Furthermore, high-strength anti-corrosion aluminum foil coatings are provided on the outer side of the outer protection plate layer and the inner wall of the inner protection plate layer to protect the heat insulation material.

[0013] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0014] This fireproof integrated plate iron air duct, through the internally arranged fireproof integrated component, including the outer protection plate layer, the fireproof board layer and the heat insulation layer, significantly improves the fireproof performance of the air duct. The design of the sealing mechanism provides a more reliable sealing effect, preventing air leakage. The quick replacement design of the elastic sealing sleeve allows the aging sealing sleeve to be replaced without disassembling the air duct main body, simplifies the maintenance process, reduces the maintenance time and cost. The use of galvanized thin steel plates for the fireproof board layer and the inner and outer protection plate layers, as well as the high-strength anti-corrosion aluminum foil coating, improves the corrosion resistance and durability of the air duct. Through the fireproof integrated design, the fire risk is reduced, and the safety of the entire ventilation system is improved. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the present utility model;

[0016] Figure 2 It is a schematic diagram of the sealing mechanism of the present utility model;

[0017] Figure 3 It is of the present utility model Figure 2 The enlarged schematic diagram of the structure at A in;

[0018] Figure 4 It is a schematic diagram of the fireproof integrated component of the present utility model.

[0019] In the figure: 1. Air duct main body; 2. Sealing mechanism; 21. Air duct end; 22. Positioning insertion ring; 23. Positioning groove; 24. Card slot; 25. Sealing groove; 26. Insertion plate; 27. Elastic sealing sleeve; 28. Fireproof integrated component; 281. Outer protective plate layer; 282. Fireproof board layer; 283. Heat insulation layer; 284. Inner protective plate layer. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Embodiment 1: Please refer to Figures 1 to 4 , the fireproof integrated board iron air duct in this embodiment includes a sealing mechanism 2 arranged on the upper and lower sides of the air duct main body 1.

[0022] Embodiment 2: Please refer to the figure Figures 2 to 4 , on the basis of Embodiment 1, the sealing mechanism 2 in this embodiment includes two air duct ends 21, and the two air duct ends 21 are respectively arranged on the upper and lower sides of the air duct main body 1. A positioning insertion ring 22 is fixed on the lower surface of the lower air duct end 21, and a positioning groove 23 for inserting the positioning insertion ring 22 is opened on the upper surface of the upper air duct end 21. Align two air duct main bodies 1 to be connected neatly according to the design requirements, and insert the positioning insertion ring 22 of the lower air duct end 21 into the positioning groove 23 of the upper air duct end 21 of another air duct main body 1 to achieve preliminary fixation. Four card slots 24 are opened on the outer side of the upper air duct end 21, and a sealing groove 25 corresponding to the position of the card slot 24 is opened on the outer side of the positioning insertion ring 22 to ensure that the card slot 24 and the sealing groove 25 are aligned in position after inserting the positioning insertion ring 22, preparing for the subsequent insertion of the insertion plate 26. At the same time, ensure that the mounting plate positions of the upper and lower air duct ends 21 correspond one by one, facilitating subsequent connection by bolts. And an insertion plate 26 is inserted into the card slot 24 and the sealing groove 25, and an elastic sealing sleeve 27 is arranged on the outer side of the insertion plate 26 for filling the gap at the connection for sealing. Take out the insertion plate 26 and insert it into the corresponding card slot 24 and sealing groove 25. An elastic sealing sleeve 27 is arranged on the outer side of the insertion plate 26. After insertion, the elastic sealing sleeve 27 fills the card slot 24 and the sealing groove 25, and uses its elastic performance to fill the gap at the connection to achieve sealing. A fireproof integrated component 28 is arranged inside the air duct main body 1 to enhance the integrated combined fireproof performance of the air duct.

[0023] It should be noted that the replacement is carried out without disassembling the duct main body 1: Pull out the plug plate 26 from the card slot 24 and the sealing groove 25, take out the aged elastic sealing sleeve 27, put the new elastic sealing sleeve 27 on the plug plate 26, and then insert the plug plate 26 into the card slot 24 and the sealing groove 25 again. Through the above replacement process, ensure that the sealing performance at the duct connection is maintained. After replacing the elastic sealing sleeve 27, conduct a system inspection to ensure that there is no leakage at the connection and the duct system operates normally.

[0024] The fireproof integrated component 28 includes an outer protection plate layer 281 arranged inside the duct main body 1. A fireproof board layer 282 is provided inside the outer protection plate layer 281, and a heat insulation layer 283 is filled between the side of the fireproof board layer 282 opposite to the outer protection plate layer 281. The heat insulation layer 283 is filled between the outer protection plate layer 281 and the fireproof board layer 282, and its low thermal conductivity can effectively block heat transfer and protect the internal structure of the duct from the influence of high temperature. An inner protection plate layer 284 is provided on the inner wall of the fireproof board layer 282.

[0025] In this embodiment, a plurality of mounting plates are provided on the outer sides of the upper and lower ends 21 of the duct. And the upper and lower mounting plates are connected by bolts. The duct main body 1 is assembled through the bolts and the mounting plates to complete the mechanical connection of the duct. A wrapping edge strip is provided on the outer side of the duct main body 1, and the wrapping edge strip is installed on the fireproof integrated component 28 through bolts.

[0026] In this embodiment, both the outer protection plate layer 281 and the inner protection plate layer 284 are galvanized thin steel plate layers to provide additional protection against rust. The fireproof board layer 282 is a calcium silicate board layer. The fireproof board layer 282 usually adopts materials with good fireproof performance, does not burn at high temperatures, can slow down the spread of fire, and provides fire protection for a certain period of time. The heat insulation layer 283 is a rock wool layer, and the heat insulation layer 283 is bonded to the fireproof board layer 282 through an adhesive. The fireproof board layer 282 is bonded to the heat insulation layer 283 through an adhesive to form a firm integral structure, preventing material delamination or displacement under high temperature or vibration conditions. High-strength anti-corrosion aluminum foil coatings are provided on the outer side of the outer protection plate layer 281 and the inner wall of the inner protection plate layer 284 to protect the heat insulation material. The outer protection plate layer 281 usually adopts metal materials such as galvanized thin steel plates, which not only provides additional structural strength but also has the functions of anti-corrosion and rust prevention. The inner protection plate layer 284 is arranged inside the fireproof board layer 282, which can further improve the fireproof performance and structural stability of the duct.

[0027] The working principle of the above embodiment is:

[0028] (1) Arrange the two duct bodies 1 to be connected neatly and aligned according to the design requirements. Insert the positioning insertion ring 22 at the end 21 of the lower duct into the positioning groove 23 at the end 21 of the upper duct of another duct body 1 to achieve preliminary fixation. Ensure that the card slot 24 and the sealing groove 25 are aligned after inserting the positioning insertion ring 22, preparing for the subsequent insertion of the insertion plate 26. At the same time, ensure that the mounting plates at the ends 21 of the upper and lower ducts correspond one by one, facilitating subsequent connection by bolts. Take out the insertion plate 26 and insert it into the corresponding card slot 24 and sealing groove 25. An elastic sealing sleeve 27 is provided on the outer side of the insertion plate 26. After insertion, the elastic sealing sleeve 27 fills the card slot 24 and the sealing groove 25, and uses its elastic property to fill the gap at the connection to achieve sealing. Assemble the duct bodies 1 through bolts and the mounting plates to complete the mechanical connection of the ducts. When the sealing performance of the elastic sealing sleeve 27 decreases due to aging or other reasons, it can be replaced without disassembling the duct body 1: Pull out the insertion plate 26 from the card slot 24 and the sealing groove 25, take out the aged elastic sealing sleeve 27, put a new elastic sealing sleeve 27 on the insertion plate 26, and insert the insertion plate 26 into the card slot 24 and the sealing groove 25 again. Through the above replacement process, ensure that the sealing performance at the duct connection is maintained. After replacing the elastic sealing sleeve 27, conduct a system inspection to ensure that there is no leakage at the connection and the duct system operates normally.

[0029] (2) The fireproof board layer 282 usually uses materials with good fireproof performance, which will not burn at high temperatures, can slow down the spread of fire, and provide fire protection for a certain period of time. The heat insulation layer 283 is filled between the outer protective board layer 281 and the fireproof board layer 282. Its low thermal conductivity can effectively block heat transfer and protect the internal structure of the duct from high temperatures. The fireproof board layer 282 and the heat insulation layer 283 are bonded by an adhesive to form a firm integral structure, preventing material delamination or displacement under high temperature or vibration conditions. The outer protective board layer 281 usually uses metal materials such as galvanized sheet steel, which not only provides additional structural strength but also has the functions of anti-corrosion and rust prevention. The inner protective board layer 284 is arranged inside the fireproof board layer 282, which can further improve the fireproof performance and structural stability of the duct.

[0030] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0031] If this patent discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (such as using bolts or screws), or it can also be understood as: a non-detachable fixed connection (such as riveting, welding). Of course, the mutually fixed connection can also be replaced by an integral structure (such as manufactured integrally by casting process) (except when it is obviously impossible to adopt the integral forming process).

[0032] Although the embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model.

Claims

1. Fireproof integrated iron sheet air duct, characterized by: It comprises a sealing mechanism (2) arranged on the upper and lower sides of the air duct body (1); The sealing mechanism (2) comprises two air duct ends (21), the two air duct ends (21) being respectively arranged at the upper and lower sides of the air duct body (1), a positioning insert ring (22) being fixed on the lower surface of the lower air duct end (21), a positioning groove (23) for inserting the positioning insert ring (22) being provided on the upper surface of the upper air duct end (21), four clamping grooves (24) being provided on the outer side of the upper air duct end (21), a sealing groove (25) corresponding to the position of the clamping groove (24) being provided on the outer side of the positioning insert ring (22), and a plug plate (26) being plugged into the inner side of the clamping groove (24) and the sealing groove (25), an elastic sealing sleeve (27) being provided on the outer side of the plug plate (26) for filling the gap at the connection for sealing, and a fireproof integrated component (28) being provided inside the air duct body (1) to enhance the integrated fireproof performance of the air duct; The fireproof integrated component (28) comprises an outer protective plate layer (281) arranged inside the air duct body (1), a fireproof plate layer (282) is arranged inside the outer protective plate layer (281), and a heat insulation layer (283) is filled between the fireproof plate layer (282) and the side opposite to the outer protective plate layer (281), and an inner protective plate layer (284) is arranged on the inner wall of the fireproof plate layer (282).

2. The fireproof integrated iron sheet air duct according to claim 1, characterized in that: A plurality of mounting plates are provided on the outer sides of the air duct ends (21) on the upper and lower sides, and the mounting plates on the upper and lower sides are connected by bolts.

3. The fireproof integrated iron sheet air duct according to claim 1, characterized in that: The outside of the air duct body (1) is provided with a wrapping edge strip, and the wrapping edge strip is mounted with the fireproof integrated component (28) via bolts.

4. The fireproof integrated iron sheet air duct according to claim 1, characterized in that: The outer protective plate layer (281) and the inner protective plate layer (284) are both galvanized thin steel plate layers to provide additional protection against rust.

5. The fireproof integrated iron sheet air duct according to claim 1, characterized in that: The fireproof board layer (282) is a calcium silicate board layer, the heat insulation layer (283) is a rock wool layer, and the heat insulation layer (283) and the fireproof board layer (282) are bonded by an adhesive.

6. The fireproof integrated iron sheet air duct according to claim 1, characterized in that: The outer side of the outer protective plate layer (281) and the inner wall of the inner protective plate layer (284) are both provided with a high-strength anti-corrosion aluminum foil coating to protect the thermal insulation material.

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