Communicated air layer heat insulation and heat dissipation air pipe

Abstract

The utility model discloses a communicated type air layer heat insulation and heat dissipation air pipe which comprises a plurality of air pipe base bodies connected through flanges, L-shaped blocking pieces connected with the adjacent flanges of the air pipe base bodies and corner brace bolts and blocking the four corners, outer layer heat insulation plates are installed on the two inner sides of the L-shaped blocking pieces, and a keel is arranged between each outer layer heat insulation plate and the outer side of the air pipe base body. The section of the keel body is U-shaped, the main back face of the keel is attached to the outer-layer heat insulation plate, and the side wall of the keel is attached to the flange and abuts against the air pipe base body. A channel opening is reserved in the corner connector position of the adjacent keels, and a notch is formed in the corner connector.

Description

Technical Field

[0001] This utility model relates to the field of industrial air duct technology, and in particular to a connected air layer heat insulation and heat dissipation air duct. Background Technology

[0002] Existing industrial insulated ducts are installed by fixing the flanges and corner brackets of the duct base, with the corner brackets pressing down on the L-shaped baffles at the four corners; two layers of fireproof and heat-insulating boards are then covered on the outside of the duct base and pressed down by the L-shaped baffles, and finally secured with screws. In use, several ducts are connected together to form a channel.

[0003] Most existing air ducts suitable for short-term fireproofing and heat insulation still use double-layer fireproof materials; especially for standards of less than 30 minutes, current industrial insulated air ducts are not well-suited for this scenario in terms of materials, cost, and weight. Furthermore, traditional double-layer fireproof insulation panels are also unsuitable for this scenario in terms of heat dissipation.

[0004] To address this, we designed a lightweight, interconnected air-layer insulated heat dissipation duct with an air layer. Utility Model Content

[0005] In view of the problems existing in the prior art, this utility model provides a connected air layer heat insulation and heat dissipation duct, which aims to solve the above-mentioned problems.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: a continuous air-layer heat-insulating and heat-dissipating duct, comprising several duct bases connected by flanges, adjacent flanges of the duct bases being bolted to corner brackets and L-shaped baffles blocking the four corners, outer heat insulation plates being installed on the two inner sides of the L-shaped baffles, and a keel being provided between each outer heat insulation plate and the outer side of the duct base; the main body of the keel has a U-shaped cross-section, the main back of the keel is close to the outer heat insulation plate, and the sidewall of the keel is close to the flange and abuts against the duct base; adjacent keels have passage openings at the corner bracket positions, and the corner brackets have notches.

[0007] Preferably, the outer surface of the keel contacts the flange of the duct base.

[0008] Preferably, the two sides of the keel are cut with stepped sidewalls at both ends, forming a channel opening.

[0009] Preferably, the stepped sidewalls of adjacent keels are beveled at 45 degrees and welded in place.

[0010] Preferably, the two sides of the keel are bent inward to form a contact surface and are tightly attached to the duct base.

[0011] Preferably, the L-shaped baffle is fixedly connected to the main back of the keel by bolts and nuts or rivet nuts.

[0012] Preferably, the two sides of the keel are spaced apart with heat dissipation holes to improve its heat dissipation capacity.

[0013] The beneficial effects of this utility model are: reducing the use of fireproof materials, making the overall weight lighter, and forming an air layer between the duct base and the outer heat insulation board, which is suitable for standard fireproof and heat insulation ducts within a short time of 30 minutes; at the same time, it facilitates the entry of heat in the duct base channel into the air layer channel, and the heat is dissipated by the channel opening left by the keel through the corner code notch. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the air layer and channel opening structure of this utility model.

[0016] Figure 3 This is a schematic diagram of the flange and angle bracket bolt connection structure of this utility model.

[0017] Figure 4 This is a schematic diagram of the keel structure of this utility model. Detailed Implementation

[0018] Please see Figure 1-4 This utility model provides a technical solution: a connected air-layer heat dissipation duct, including several duct bases 1 connected by flanges 2. The adjacent flanges 2 of the duct base 1 are bolted to corner brackets 6 and L-shaped baffles 4 blocking the four corners. The outer heat insulation plates 3 are installed on the two inner sides of the L-shaped baffles 4. A keel 5 is provided between each outer heat insulation plate 3 and the outer side of the duct base 1. The main cross-section of the keel 5 is U-shaped. The main back 51 of the keel 5 is close to the outer heat insulation plate 3. The side wall of the keel 5 is close to the flange 2 and abuts against the duct base 1. The adjacent keels 5 have a channel opening at the corner bracket 6 position. The corner bracket 6 has a notch.

[0019] Preferably, the outer side of the keel 5 contacts the flange 2 of the duct base; both ends of the two side walls of the keel 5 are cut with stepped side walls 54 to form a channel opening; the stepped side walls 54 of adjacent keels 5 are beveled at 45 degrees and welded to fix them. The two side surfaces of the keel 5 are bent inward to form a contact surface 52 and are tightly attached to the duct base 1; improving the tightness of the connection.

[0020] The L-shaped baffle 4 is fixedly connected to the main back 51 of the keel 5 by bolts and nuts or rivet nuts. While ensuring the connection is firm, the inner wall of the duct base 1 is smooth and flat to avoid bolts or other objects hitting the structure of the duct base 1.

[0021] Preferably, the two sides of the keel 5 are spaced apart with heat dissipation holes 53 to improve its heat dissipation capacity.

[0022] This invention replaces the sandwiched insulation board with a keel 5, reducing the use of fireproof materials and lightening the overall weight. This creates an air layer between the duct base 1 and the outer insulation board 3, making it suitable for standard fireproof and heat-insulating ducts for short periods (up to 30 minutes). Simultaneously, it facilitates the entry of heat from the duct base 1 into the air layer channel, with heat flowing through the duct via the openings left by the keel 5 and the notches in the corner brackets 6. Furthermore, its robustness and stability are guaranteed.

[0023] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A continuous air-layer insulated heat dissipation duct, comprising several duct bases (1) connected by flanges (2), wherein adjacent flanges (2) of the duct bases (1) are bolted to corner brackets (6) and L-shaped baffles (4) are used to block the four corners, and an outer heat insulation plate (3) is installed on the two inner sides of the L-shaped baffles (4), characterized in that, Each outer heat insulation board (3) is provided with a keel (5) between the outer side of the duct base (1); the main cross section of the keel (5) is U-shaped, the main back side (51) of the keel (5) is close to the outer heat insulation board (3), the side wall of the keel (5) is close to the flange (2) and abuts against the duct base (1); adjacent keels (5) have a channel opening at the corner code (6), and the corner code (6) has a notch.

2. The interconnected air-layer heat dissipation duct according to claim 1, characterized in that, The outer side of the keel (5) contacts the flange (2) of the duct base.

3. The interconnected air-layer heat dissipation duct according to claim 1, characterized in that, The two sides of the keel (5) are cut with stepped sidewalls (54) to form a passage opening.

4. The interconnected air-layer heat dissipation duct according to claim 3, characterized in that, The stepped sidewalls (54) of the adjacent keel (5) are beveled at 45 degrees and welded in place.

5. The interconnected air-layer heat dissipation duct according to claim 1, characterized in that, The two sides of the keel (5) are bent inward to form a contact surface (52) and are tightly attached to the duct base (1).

6. The interconnected air-layer heat dissipation duct according to claim 1, characterized in that, The L-shaped baffle (4) is fixedly connected to the main back (51) of the keel (5) by bolts, nuts or rivets.

7. The interconnected air-layer heat dissipation duct according to claim 2, characterized in that, The keel (5) has heat dissipation holes (53) spaced apart on both sides.

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