Fireproof and heat-insulating central air-conditioning ventilating duct

Abstract

The utility model relates to the technical field of ventilating ducts, in particular to a fireproof and heat-insulating central air conditioner ventilating duct which comprises a ventilating duct body, a closed structure and a purification structure. The closed structure is clamped in the pipeline main body; the multiple sets of purification structures are vertically staggered, reversely arranged at equal intervals and clamped in the pipeline body, each purification structure comprises a base strip, a clamping groove is formed in the surface of one side of each base strip, and an activated carbon plate is fixedly clamped in each clamping groove. According to the utility model, the multiple S-shaped air channels are formed by the activated carbon plates which are reversely staggered up and down, so that the retention time of air in the pipeline main body is prolonged, the contact time and the contact area of the air and the activated carbon plates are further increased, and the dust removal and odor removal effects are ensured; and the air circulation amount caused by excessive impurities accumulated in meshes of a traditional interception type filter screen is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation pipeline technical field, concretely is a fireproof heat insulation central air conditioning ventilation pipeline. BACKGROUND

[0002] Ventilation pipeline is the metal or composite pipeline for ventilation and air conditioning engineering of industrial and civil buildings, is a kind of municipal infrastructure for making air circulation and reducing harmful gas concentration, the ventilation pipeline of present is needed to connect the ventilation pipeline of multiple groups head to tail when installing, then four corner fixed treatment is carried out by bolt.

[0003] When central air conditioning air duct is installed, a main air duct is assembled and connected with outdoor unit, and multiple branch ducts are branched out and connected with each indoor unit, in general, the air ducts of each indoor unit are substantially interconnected, when fire occurs in a room, high-temperature air and fire are easily introduced into other rooms through interconnected air ducts. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fireproof heat insulation central air conditioning ventilation pipeline to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A fireproof heat insulation central air conditioning ventilation pipeline comprises:

[0007] Ventilation pipeline, the ventilation pipeline comprises pipeline main body;

[0008] Closed structure, the closed structure is clamped in the pipeline main body;

[0009] Purification structure, the purification structure is a plurality of groups, a plurality of groups the purification structure is staggered and reversely equidistantly arranged and clamped in the pipeline main body, the purification structure comprises base strip, the base strip one side surface is provided with clamping groove, and the clamping groove is fixedly clamped with activated carbon plate.

[0010] Further, the ventilation pipeline further comprises:

[0011] Fireproof coating, the fireproof coating is coated on the outer side surface of pipeline main body;

[0012] Heat insulation layer, the heat insulation layer is fixedly attached to the inner wall of pipeline main body;

[0013] Aluminum silicate fiberboard, the aluminum silicate fiberboard is fixedly attached to the inner wall of heat insulation layer.

[0014] Further, the ventilation pipeline further comprises:

[0015] Reinforcing ribs are fixedly installed on the outer surface of the pipe body;

[0016] Docking frames are fixedly installed on the openings at both ends of the pipe body;

[0017] An access hole is formed on the side surface of the pipe body;

[0018] Positioning slots are formed on the upper and lower edges of the inner wall of the pipe body;

[0019] An installation base plate is clamped at the access hole.

[0020] Further, the closed structure comprises:

[0021] A base frame is fixedly installed on the front edge of the inner side surface of the installation base plate, and the upper and lower edges of the base frame are clamped with the inner wall of the pipe body;

[0022] A sealing frame is fixedly installed on the inner wall of the base frame;

[0023] A first hinged seat is fixedly installed on the upper edge of the front surface of the sealing frame;

[0024] A closing door is hinged with the first hinged seat on the upper edge.

[0025] Further, the closed structure further comprises:

[0026] Two hinged rods are hinged with the two sides of the closing door on one end;

[0027] A second hinged seat is slidably clamped on the two side edges of the sealing frame;

[0028] A reset spring is embedded on the upper surface of the second hinged seat;

[0029] A low-melting-point clamping block is embedded on one side of the inner wall of the sliding groove below the second hinged seat.

[0030] Further, the purification structure further comprises:

[0031] An abutting plate is fixedly installed on the opening of the clamping groove on the rear side edge;

[0032] An abutting corner brace is fixedly installed on the middle and both ends of the abutting plate.

[0033] Further, the upper and lower ends of one side of the base frame and one end of the base strip are clamped with the positioning slots.

[0034] Compared with the prior art, the utility model has the beneficial effects that:

[0035] 1. Take out several pipe bodies without closed structure and purification structure, and abut them to each other to form a complete ventilation duct, install the pipe body with closed structure and purification structure at the branch of the main air duct, in case of fire in a room, the closed structure can be closed in emergency to avoid high-temperature air or fire into the main air duct and spread to other rooms, and the multiple S-shaped air ducts composed of active carbon plates arranged upward and downward in reverse direction can prolong the time of air staying in the pipe body, thereby increasing the contact time and contact area of air with the active carbon plates, ensuring the dust and odor removal effect, and avoiding the reduction of air flow caused by too much impurities accumulated in the net holes of the traditional interception filter.

[0036] 2. When fire occurs, high-temperature air and fire enter the pipe body, the low-melting point block is melted, the second hinge seat loses support and slides downward under the push of the reset spring, and pulls the lower end of the hinge rod, so that the closing door and the sealing frame are closed to each other, the air flow channel is cut off, and certain fire protection effect is provided. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0038] Figure 2 is a schematic diagram of the ventilation duct in the utility model;

[0039] Figure 3 is a schematic diagram of the ventilation duct cross section in the utility model;

[0040] Figure 4 is a schematic diagram of the ventilation duct, closed structure and purification structure connection in the utility model;

[0041] Figure 5 is a schematic diagram of the closed structure in the utility model;

[0042] Figure 6 is a schematic diagram of the purification structure in the utility model.

[0043] In the drawing: 1, ventilation duct; 101, pipe body; 102, fireproof coating; 103, heat insulation layer; 104, aluminum silicate fiber plate; 105, reinforcing rib; 106, abutting frame; 107, access hole; 108, positioning slot; 109, mounting base plate; 2, closed structure; 201, base frame; 202, sealing frame; 203, first hinge seat; 204, closing door; 205, hinge rod; 206, second hinge seat; 207, reset spring; 208, low-melting point block; 3, purification structure; 301, base strip; 302, clamping groove; 303, abutting plate; 304, abutting angle code; 305, active carbon plate. DETAILED DESCRIPTION

[0044] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0045] Please refer to Figures 1-6 In the embodiments of the present application, the fireproof and heat-insulating central air conditioning ventilation pipeline comprises a ventilation pipeline 1, a closed structure 2 and a purification structure 3. The ventilation pipeline 1 comprises a pipeline main body 101. The closed structure 2 is clamped inside the pipeline main body 101. The purification structure 3 is in a plurality of groups. The plurality of groups of purification structures 3 are arranged in an up-down staggered and reverse equidistant manner and are clamped inside the pipeline main body 101. The purification structure 3 comprises a base strip 301. A clamping groove 302 is formed in one side surface of the base strip 301. An activated carbon plate 305 is fixedly clamped in the clamping groove 302.

[0046] Specifically, a plurality of pipeline main bodies 101 without the closed structure 2 and the purification structure 3 are mutually butted to form a complete ventilation passage. The pipeline main body 101 carrying the closed structure 2 and the purification structure 3 is installed at a branch of the main air passage. When a fire occurs in a certain room, the closed structure 2 can be closed in an emergency to prevent high-temperature air or fire from entering the main air passage and spreading to other rooms. At the same time, the plurality of S-shaped air passages formed by the activated carbon plates 305 arranged in an up-down staggered and reverse manner prolong the residence time of air in the pipeline main body 101, thereby increasing the contact time and contact area of air with the activated carbon plates 305, ensuring the dust and odor removal effect, and avoiding the accumulation of too much impurities in the mesh of the traditional interception type filter screen to reduce the air flow. Embodiment one

[0047] As shown in Figure 3 In the present embodiment, the ventilation pipeline 1 further comprises a fireproof coating 102, a heat insulation layer 103 and a silicate aluminum fiber plate 104. The fireproof coating 102 is coated on the outer side surface of the pipeline main body 101. The heat insulation layer 103 is fixedly attached to the inner wall of the pipeline main body 101. The silicate aluminum fiber plate 104 is fixedly attached to the inner wall of the heat insulation layer 103.

[0048] In the present embodiment, the fireproof coating 102 provides a fireproof effect on the outer side of the pipeline main body 101. The heat insulation layer 103 and the silicate aluminum fiber plate 104 provide a fireproof effect and a certain degree of heat preservation effect on the inner wall of the pipeline main body 101.

[0049] As shown in Figure 1 , 2As shown in Figures 4 and 6, in this embodiment, the ventilation duct 1 further includes a reinforcing rib 105, a docking frame 106, an inspection port 107, a positioning slot 108, and a mounting base plate 109. The reinforcing rib 105 is fixedly installed on the outer surface of the duct body 101; the docking frame 106 is fixedly installed at the openings at both ends of the duct body 101; the inspection port 107 is opened on one side surface of the duct body 101; the positioning slot 108 is opened on the upper and lower edges of the inner wall of one side of the duct body 101; the mounting base plate 109 is snapped into the inspection port 107; the purification structure 3 further includes a backing plate 303 and a backing bracket 304. The backing plate 303 is fixedly installed on the rear edge of the opening on the mounting groove 302; the backing bracket 304 is fixedly installed in the middle and at both ends of the backing plate 303; the upper and lower ends of one side of the base frame 201 and one end of the base strip 301 are snapped into the positioning slot 108.

[0050] In practice, the closed structure 2 and the purification structure 3 are integrated and installed inside the mounting base plate 109, and are inserted into the pipe body 101 through the inspection port 107. This allows for stable installation inside the pipe body 101 while facilitating disassembly and maintenance. After a fire, the activated carbon plate 305 can be repaired and recycled. During ventilation, the leeward side of the activated carbon plate 305 can be supported by the abutment plate 303 and the abutment bracket 304. Example 2

[0051] Based on Embodiment 1, in order to supplement the specific method of cutting off the main body of the pipe 101 by closing the closed structure 2, which was not mentioned in Embodiment 1.

[0052] like Figure 4 and 5 As shown, in this embodiment, the closed structure 2 includes a base frame 201, a sealing frame 202, a first hinge seat 203, a closing door 204, a hinge rod 205, a second hinge seat 206, a return spring 207, and a low-melting-point locking block 208. The base frame 201 is fixedly installed on the front edge of the inner surface of the mounting base plate 109, and the upper and lower edges of the base frame 201 are interlocked with the inner wall of the pipe body 101; the sealing frame 202 is fixedly installed on the inner wall of the base frame 201; the first hinge seat 205... 3. Fixedly installed on the upper edge of the front surface of the sealing frame 202; the upper edge of the closed door 204 is hinged to the first hinge seat 203; there are two hinge rods 205, one end of which is hinged to both sides of the closed door 204; the second hinge seat 206 is slidably engaged with the two sides of the sealing frame 202; the return spring 207 is embedded in the upper surface of the second hinge seat 206; the low melting point block 208 is embedded in the inner wall of one side of the sliding groove below the second hinge seat 206.

[0053] In the specific implementation, when a fire occurs, high-temperature air and fire enter the inside of the pipeline main body 101, and the low-melting point block 208 is melted, the second hinge seat 206 loses support and slides downward under the push of the reset spring 207, and pulls the lower end of the hinge rod 205, so that the closing door 204 and the sealing frame 202 are closed to each other, the airflow channel is cut off, and a certain fire protection effect is provided.

[0054] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0055] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A fireproof and heat-insulating central air conditioning ventilation duct, characterized in that, Include: Ventilation duct (1), the ventilation duct (1) includes duct body (101); Closed structure (2), the closed structure (2) is clamped inside the duct body (101); Purification structure (3), the purification structure (3) is several groups, several groups of the purification structure (3) are staggered and arranged reversely and equidistantly inside the duct body (101), the purification structure (3) includes base strip (301), the surface of one side of the base strip (301) is provided with clamping groove (302), the active carbon plate (305) is fixedly clamped in the clamping groove (302).

2. The fire rated, thermally insulated, central air duct of claim 1, wherein, The ventilation duct (1) further includes: Fireproof coating (102), the fireproof coating (102) is coated on the outer surface of the duct body (101); Heat insulation layer (103), the heat insulation layer (103) is fixedly attached to the inner wall of the duct body (101); Aluminum silicate fiber board (104), the aluminum silicate fiber board (104) is fixedly attached to the inner wall of the heat insulation layer (103).

3. The fire rated, thermally insulated, central air duct of claim 2, wherein, The ventilation duct (1) further includes: Stiffener (105), the stiffener (105) is fixedly installed on the outer surface of the duct body (101); Butt frame (106), the butt frame (106) is fixedly installed at the opening of the duct body (101) both ends; Access hole (107), the access hole (107) is provided on the side surface of the duct body (101); Positioning slot (108), the positioning slot (108) is provided on the inner wall of the duct body (101) upper and lower edges; Mounting base plate (109), the mounting base plate (109) is clamped at the access hole (107).

4. The fire rated, thermally insulated, central air duct of claim 3, wherein, The closed structure (2) includes: Base frame (201), the base frame (201) is fixedly installed on the inner surface of the mounting base plate (109) front edge, the upper and lower edges of the base frame (201) are clamped with the inner wall of the duct body (101); Sealing frame (202), the sealing frame (202) is fixedly installed on the inner wall of the base frame (201); No. The hinge seat (203) is fixedly installed on the upper edge of the front surface of the sealing frame (202); Closed door (204), the upper edge of the closed door (204) is hingedly connected with the no. The hinge seat (203) is hingedly connected with the both sides of the closed door (204); 5. The fire rated, thermally insulated, central air duct of claim 4, wherein, The closed structure (2) further includes: Hinge rod (205), the hinge rod (205) is two, one end of the two hinge rods (205) is hingedly connected with the both sides of the closed door (204); No. The hinge seat (206) is slidably connected with the both side edges of the sealing frame (202); Reset spring (207), the reset spring (207) is embedded on the upper surface of the no. The hinge seat (206); Low-melting-point clamping block (208), the low-melting-point clamping block (208) is embedded on the inner wall of the sliding groove on the lower side of the no. The hinge seat (206); 6. The fire rated, thermally insulated, central air duct of claim 5, wherein, The purification structure (3) further includes: Butt plate (303), the butt plate (303) is fixedly installed on the opening of the clamping groove (302) rear side edge; Rest against the angle code (304), the rest against the angle code (304) fixedly installed in the middle and both ends of the rest board (303).

7. The fire rated, thermally insulated, central air duct of claim 6, wherein, The upper and lower ends of one side of the base frame (201) and one end of the base strip (301) are clamped with the positioning slot (108).

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