Fire-resistant heat-insulation flexible wrapping air pipe

Abstract

The utility model relates to the technical field of air pipes, and discloses a fire-resistant heat insulation flexible wrapping air pipe which comprises a main body mechanism and an auxiliary heat insulation mechanism, the auxiliary heat insulation mechanism is located on the inner side of the main body mechanism, and the main body mechanism comprises an air pipe main body, an air pipe interior, round steel, a T-shaped branch pipe closed end and a flange connector. According to the fire-resistant heat-insulation flexible wrapping air pipe, through the use of the main body mechanism, when the fire-resistant heat-insulation flexible wrapping air pipe is used, the pipeline A and the pipeline B are each composed of six air pipe bodies, the air pipe bodies are structurally and sequentially composed of a galvanized steel plate with the thickness being 1.0 mm and aluminum silicate wool from inside to outside, the nominal thickness is 40 mm, the volume weight is 96 kg / mm, and a galvanized steel plate with the thickness being 0.8 mm; high-temperature glue is smeared between the inner-layer galvanized steel plate and the aluminum silicate wool as well as between the outer-layer steel plate and the aluminum silicate wool, the air pipes are connected and fixed through metal flanges, L30 * 30 * 3.0 mm angle steel and universal M6 * 30 mm bolts, the distance between the metal flanges and the L30 * 30 * 3.0 mm angle steel and the universal M6 * 30 mm bolts ranges from 100 mm to 120 mm, and the thick galvanized steel plate, the aluminum silicate wool and the outer-layer steel plate are used in cooperation, so that the fireproof heat insulation effect is better, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of air ducts, in particular to a fire-resistant and heat-insulating flexible wrapped air duct. Background Art

[0002] Ducts are piping systems used for air delivery and distribution. There are two types: composite ducts and inorganic ducts. Composite ducts are represented by Durkduct ducts. They can be classified according to cross-sectional shape and material. Duct production: Stainless steel duct production is to apply sealant to the bite seams, rivet seams, flange corners and other gaps. Surface dust and oil should be removed before applying sealant. Ducts can be divided into circular ducts, rectangular ducts, oblate ducts and other types according to cross-sectional shape. Among them, circular ducts have the smallest resistance but the largest height and are complex to make, so rectangular ducts are mainly used. Ducts can be divided into metal ducts, composite ducts and polymer ducts according to material.

[0003] Air duct is a piping system used for air transportation and distribution. There are two types: composite air duct and inorganic air duct. It is usually installed at the top of the building to transmit indoor air to facilitate ventilation and air exchange, and for safety.

[0004] The existing fire-resistant and heat-insulating flexible wrapped air duct has poor fire-resistant and heat-insulating effects when in use, which makes it less effective and less practical when in use. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a fire-resistant and heat-insulating flexible wrapped air duct to solve the problem in the above background technology that the fire-resistant and heat-insulating effect is poor when in use, resulting in poor effect and low practicality when applied.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire-resistant, heat-insulating, flexible wrapped air duct, comprising a main body structure and an auxiliary heat-insulating structure, wherein the auxiliary heat-insulating structure is located on the inner side of the main body structure, and the main body structure comprises an air duct body, an air duct interior, round steel, a T-branch closed end and a flange joint, wherein the air duct interior is fixedly arranged on the inner side of the air duct body, the round steel is evenly distributed on the outer side of the air duct body, the T-branch closed end is fixedly arranged on the upper left side of the inner side of the air duct body, and the flange joints are evenly distributed on the inner side of the air duct interior.

[0009] Preferably, the main structure also includes a round steel support, a galvanized iron sheet and aluminum silicate wool, the round steel support is movably mounted on the inner side of the flange joint, the galvanized iron sheet is fixedly mounted on the outer side of the air duct, and the aluminum silicate wool is fixedly mounted on the outer side of the galvanized iron sheet.

[0010] Preferably, the main body structure also includes an outer steel plate, a closed end of the air duct and openings on both sides, the outer steel plate is fixedly installed on the outermost side of the air duct body, the closed end of the air duct is fixedly arranged on the right side of the air duct body, and the openings on both sides are evenly distributed on the upper and lower sides of the right side of the closed end of the air duct.

[0011] Preferably, the auxiliary thermal insulation mechanism includes a fire-retardant coating, a temperature-resistant layer, a heat-insulating layer, an insulating layer, a liquid carbon dioxide storage layer, a reinforcing rib, a wear-resistant layer and a composite layer. The fire-retardant coating is fixedly arranged on the inner side of the air duct body, and the temperature-resistant layer is fixedly arranged at the lower end of the fire-retardant coating. The fire-retardant treatment is effectively performed by evenly applying the fire-retardant coating to the air duct body. Through the use of the temperature-resistant layer, it can effectively resist temperature and insulate heat transfer.

[0012] Preferably, the heat insulation layer is fixedly arranged at the lower end of the temperature-resistant layer, and the insulating layer is fixedly arranged at the lower end of the heat insulation layer. The use of the heat insulation layer can make the heat insulation effect better, and the heat is not easily transferred into the interior. The use of the insulating layer can effectively isolate the heat transfer, and the heat is not easily transferred to the interior.

[0013] Preferably, the liquid carbon dioxide storage layer is fixedly arranged at the lower end of the insulating layer, and the reinforcing ribs are fixedly arranged at the lower end of the liquid carbon dioxide storage layer. By using the liquid carbon dioxide storage layer, when heat is transferred thereto, the liquid carbon dioxide is melted more quickly to insulate the heat, and by using the reinforcing ribs, the strength of the layer is improved.

[0014] Preferably, the wear-resistant layer is fixedly arranged at the lower end of the reinforcing rib, and the composite layer is fixedly arranged at the lower end of the wear-resistant layer. The use of the wear-resistant layer makes it more durable, and the use of the composite layer makes the fixed connection between the layers better.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The fire-resistant and heat-insulating flexible wrapped air duct, through the use of the main body, is composed of six sections of air ducts through pipes A and B. The structure of the air duct from the inside to the outside is 1.0mm thick galvanized steel plate, aluminum silicate wool, nominal thickness: 40mm, bulk density: 96kg / mm ​​and 0.8mm thick galvanized steel plate. High-temperature glue is applied between the inner galvanized steel plate and the aluminum silicate wool and between the outer steel plate and the aluminum silicate wool. Metal flanges, L30x30x3.0mm angle steel, and universal M6x30mm bolts are used between the air ducts to connect and fix them, with a spacing of 100mm-120mm. The use of thick galvanized steel plate, aluminum silicate wool and outer steel plate makes it have better fire-resistant and heat-insulating effects and more convenient to use.

[0017] 2. The fire-resistant and heat-insulating flexible wrapped air duct, through the use of auxiliary heat-insulating mechanisms, can effectively perform fireproofing by evenly applying the fire-resistant coating on the air duct body during use; through the use of the temperature-resistant layer, it can effectively resist heat and isolate the transfer of heat; through the use of the heat-insulating layer, the heat-insulating effect is better, and it is not easy for heat to be transferred into the interior; through the use of the insulating layer, the heat transfer can be effectively isolated, and it is not easy for the heat to be transferred to the interior; through the use of the liquid carbon dioxide storage layer, the liquid carbon dioxide can be melted when the heat is transferred here to isolate the heat more quickly; through the use of reinforcing ribs, the strength is better; through the use of the wear-resistant layer, it is more durable; through the use of the composite layer, the fixed connection between the layers is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the pipeline A in the utility model in a top view;

[0020] Figure 3 This is a schematic diagram of the top view structure of pipeline B of the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of the three-dimensional details of the auxiliary heat insulation mechanism of the utility model.

[0022] In the figure: 1. Main body; 101. Duct body; 102. Duct interior; 103. Round steel; 104. T-branch closed end; 105. Flange joint; 106. Round steel support; 107. Galvanized iron sheet; 108. Aluminum silicate wool; 109. Outer steel plate; 110. Duct closed end; 111. Openings on both sides; 2. Auxiliary insulation mechanism; 201. Fireproof coating; 202. Temperature-resistant layer; 203. Insulation layer; 204. Isolation layer; 205. Liquid carbon dioxide storage layer; 206. Reinforcement ribs; 207. Wear-resistant layer; 208. Composite layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4The utility model provides a technical solution: a fire-resistant heat-insulating flexible wrapped air duct, comprising a main body mechanism 1 and an auxiliary heat-insulating mechanism 2, the auxiliary heat-insulating mechanism 2 is located on the inner side of the main body mechanism 1, the main body mechanism 1 comprises an air duct body 101, an air duct interior 102, round steel 103, a T-branch closed end 104 and a flange joint 105, the air duct interior 102 is fixedly arranged on the inner side of the air duct body 101, the round steel 103 is evenly distributed on the outer side of the air duct body 101, the T-branch closed end 104 is fixedly arranged on the upper left side of the inner side of the air duct body 101, and the flange joint 105 is evenly distributed on the inner side of the air duct interior 102.

[0025] The main body 1 also includes a round steel support 106, a galvanized iron sheet 107 and aluminum silicate wool 108. The round steel support 106 is movably installed on the inner side of the flange joint 105, the galvanized iron sheet 107 is fixedly installed on the outer side of the air duct interior 102, and the aluminum silicate wool 108 is fixedly installed on the outer side of the galvanized iron sheet 107. The main body 1 also includes an outer steel plate 109, an air duct closed end 110 and openings 111 on both sides. The outer steel plate 109 is fixedly installed on the outermost side of the air duct body 101, the air duct closed end 110 is fixedly set on the right side of the air duct body 101, and the openings 111 on both sides are evenly distributed on the upper and lower sides of the right side of the air duct closed end 110.

[0026] The auxiliary heat-insulating mechanism 2 includes a fire-proof coating 201, a temperature-resistant layer 202, a heat-insulating layer 203, an insulating layer 204, a liquid carbon dioxide storage layer 205, a reinforcing rib 206, a wear-resistant layer 207 and a composite layer 208. The fire-proof coating 201 is fixedly arranged on the inner side of the air duct body 101, and the temperature-resistant layer 202 is fixedly arranged at the lower end of the fire-proof coating 201. By evenly applying the fire-proof coating 201 to the air duct body 101, fire prevention treatment is effectively performed. Through the use of the temperature-resistant layer 202, it can effectively resist heat and insulate heat transfer. The heat-insulating layer 203 is fixedly arranged at the lower end of the temperature-resistant layer 202, and the insulating layer 204 is fixedly arranged at the lower end of the heat-insulating layer 203. Through the use of the heat-insulating layer 203, the heat-insulating effect is better, and it is not easy to transfer heat into the air duct body. By using the insulating layer 204, it can effectively insulate the transfer of heat, so that the heat is not easily transferred to the inside. The liquid carbon dioxide storage layer 205 is fixedly arranged at the lower end of the insulating layer 204, and the reinforcing rib 206 is fixedly arranged at the lower end of the liquid carbon dioxide storage layer 205. By using the liquid carbon dioxide storage layer 205, when the heat is transferred here, the liquid carbon dioxide is melted more quickly to insulate the heat. By using the reinforcing rib 206, the strength is improved. The wear-resistant layer 207 is fixedly arranged at the lower end of the reinforcing rib 206, and the composite layer 208 is fixedly arranged at the lower end of the wear-resistant layer 207. By using the wear-resistant layer 207, it is made more durable. By using the composite layer 208, the fixed connection between the layers is better.

[0027] Working principle: When it is necessary to use the fire-resistant and heat-insulating flexible wrapped air duct, pipe A and pipe B are composed of six sections of air duct. The structure of the air duct from the inside to the outside is 1.0mm thick galvanized steel plate, aluminum silicate wool 108, nominal thickness: 40mm, bulk density: 96kg / mm ​​and 0.8mm thick galvanized steel plate. High-temperature glue is applied between the inner galvanized steel plate and the aluminum silicate wool 108 and between the outer steel plate 109 and the aluminum silicate wool 108. Metal flanges, L30x30x3.0mm angle steel, and universal M6x30mm bolts are used between the air ducts to connect and fix them, with a spacing of 100mm-120mm. The coordinated use of thick galvanized steel plate, aluminum silicate wool 108 and outer steel plate 109 makes its fire-resistant and heat-insulating effect better and more convenient to use. By evenly applying the fire-retardant coating 201 on the air duct body 101, fireproofing is effectively performed. By using the temperature-resistant layer 202, it can be effectively heat-resistant and insulate heat transfer. By using the heat-insulating layer 203, the heat-insulating effect is better, and it is not easy for heat to be transferred into the interior. By using the insulating layer 204, it can effectively insulate heat transfer, and it is not easy for heat to be transferred to the interior. By using the liquid carbon dioxide storage layer 205, when heat is transferred here, its liquid carbon dioxide is melted more quickly to insulate heat. By using the reinforcing ribs 206, its strength is better. By using the wear-resistant layer 207, it is more durable. By using the composite layer 208, the fixed connection between the layers is better.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A fire-resistant heat-insulating flexible wrapped air duct, comprising a main body (1) and an auxiliary heat-insulating mechanism (2), characterized in that: The auxiliary heat insulation mechanism (2) is located on the inner side of the main mechanism (1); the main mechanism (1) comprises an air duct body (101), an air duct interior (102), round steel (103), a T-shaped branch pipe closed end (104) and a flange joint (105); the air duct interior (102) is fixedly arranged on the inner side of the air duct body (101); the round steel (103) is evenly distributed on the outer side of the air duct body (101); the T-shaped branch pipe closed end (104) is fixedly arranged on the upper left side of the inner side of the air duct body (101); and the flange joint (105) is evenly distributed on the inner side of the air duct interior (102).

2. The fire-resistant and heat-insulating flexible wrapped air duct according to claim 1, characterized in that: The main body structure (1) further comprises a round steel support (106), a galvanized iron sheet (107) and aluminum silicate wool (108); the round steel support (106) is movably mounted on the inner side of the flange joint (105); the galvanized iron sheet (107) is fixedly mounted on the outer side of the air duct interior (102); and the aluminum silicate wool (108) is fixedly mounted on the outer side of the galvanized iron sheet (107).

3. The fire-resistant and heat-insulating flexible wrapped air duct according to claim 2, characterized in that: The main body structure (1) further comprises an outer steel plate (109), a closed end of the air duct (110) and openings on both sides (111); the outer steel plate (109) is fixedly mounted on the outermost side of the air duct body (101); the closed end of the air duct (110) is fixedly arranged on the right side of the air duct body (101); and the openings on both sides (111) are evenly distributed on the upper and lower sides of the right side of the closed end of the air duct (110).

4. The fire-resistant and heat-insulating flexible wrapped air duct according to claim 3, characterized in that: The auxiliary heat-insulating mechanism (2) comprises a fire-proof coating (201), a temperature-resistant layer (202), a heat-insulating layer (203), an insulating layer (204), a liquid carbon dioxide storage layer (205), reinforcing ribs (206), a wear-resistant layer (207) and a composite layer (208); the fire-proof coating (201) is fixedly arranged on the inner side of the air duct body (101); and the temperature-resistant layer (202) is fixedly arranged at the lower end of the fire-proof coating (201).

5. The fire-resistant heat-insulating flexible wrapped air duct according to claim 4, characterized in that: The heat-insulating layer (203) is fixedly arranged at the lower end of the temperature-resistant layer (202), and the insulating layer (204) is fixedly arranged at the lower end of the heat-insulating layer (203).

6. The fire-resistant heat-insulating flexible wrapped air duct according to claim 5, characterized in that: The liquid carbon dioxide storage layer (205) is fixedly arranged at the lower end of the insulation layer (204), and the reinforcing rib (206) is fixedly arranged at the lower end of the liquid carbon dioxide storage layer (205).

7. The fire-resistant heat-insulating flexible wrapped air duct according to claim 6, characterized in that: The wear-resistant layer (207) is fixedly arranged at the lower end of the reinforcing rib (206), and the composite layer (208) is fixedly arranged at the lower end of the wear-resistant layer (207).

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