Medium-pressure clean air supply static pressure box

Abstract

The embodiment of the utility model provides a medium-pressure clean air supply plenum chamber which comprises a chamber body, and the chamber body is arranged in a civil engineering plenum chamber and communicates with an air pipe of a clean air conditioning system. The box body comprises a top plate, a side plate and a bottom plate which are matched in a sealing mode, the top plate, the side plate and the bottom plate are all made of rock wool metal plates, a heat preservation material is arranged in a metal plate interlayer, a heat preservation layer does not need to be manually pasted, process procedures are saved, construction efficiency is improved, the heat preservation layer is not prone to being damaged, energy loss is reduced, and the overall attractiveness of the static pressure box is improved. The side plates and the bottom plate are attached to the inner wall of the civil engineering plenum chamber, the top plate is attached to the top face of the inner wall of the civil engineering plenum chamber, or a plurality of supporting stand columns are arranged between the top plate and the top face of the inner wall of the civil engineering plenum chamber, so that the overall deformation resistance and leakproofness of the box body are guaranteed, and the running safety and stability of the clean air conditioning system are guaranteed. The access door is hinged to the side plate, the access door is arranged in an inward opening mode and is in sealing fit with the side plate, and the leakproofness of the access door can be effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to clean air conditioning system technical field, concretely relates to a medium pressure clean air supply static pressure box. BACKGROUND

[0002] The air supply static pressure box of medium pressure clean air conditioning system needs to meet the requirements of air supply pressure and air supply cleanliness, therefore has strict requirements to the material selection, reinforcing measures and installation process of the static pressure box. The conventional air supply static pressure box usually adopts galvanized steel plate to make and pastes the heat preservation layer in or outside the box body to carry out heat preservation, this mode is more suitable for some air conditioning systems with small size, small pressure and low cleanliness requirement, but is not suitable for the medium pressure air supply static pressure box with large size (the height is more than 5 meters, the width is more than 2 meters and the length is more than 20 meters). Because of the large size, the static pressure box made of ordinary galvanized steel plate can only be made on site, which has great construction difficulty, low construction efficiency and many deficiencies in bearing medium pressure and ensuring cleanliness (tightness).

[0003] Therefore, it is necessary to develop a medium pressure clean air supply static pressure box to solve the above technical problems. CONTENT OF UTILITY MODEL

[0004] The embodiment of the utility model provides a kind of medium pressure clean air supply static pressure box to solve the technical problems that ordinary galvanized steel plate made static pressure box has great construction difficulty, low construction efficiency and many deficiencies in bearing medium pressure and ensuring cleanliness (tightness) when being made on site.

[0005] The embodiment of the utility model provides a kind of medium pressure clean air supply static pressure box, including box body, the box body is arranged in the civil static pressure box formed by civil wall body structure, and is connected with the air pipe of clean air conditioning system;The box body includes the top plate, side plate and bottom plate of sealing cooperation, the top plate, the side plate and the bottom plate all adopt rock wool metal plate, the side plate and the bottom plate are attached to the inner wall of the civil static pressure box, and the top plate is attached to the inner wall top surface of the civil static pressure box or is spaced apart from the inner wall top surface of the civil static pressure box;When the top plate is spaced apart from the inner wall top surface of the civil static pressure box, a plurality of support columns are arranged between the top plate and the inner wall top surface of the civil static pressure box;Hinged installation is carried out on the side plate, and the access door of inner opening is set, and the access door and the side plate are sealingly cooperated.

[0006] Optionally, the bottom end of the side plate is fixedly connected with the inner wall bottom surface of the civil static pressure box, the top plate is pressed on the top end of the side plate and is fixedly connected with the side plate, and the bottom plate is clamped between the side plates and abuts against the inner wall of the side plate.

[0007] Optionally, the bottom end and the top end of the side plate are provided with U-shaped edges, the U-shaped edge of the bottom end is fixedly connected with the inner wall bottom surface of the civil static pressure tank through fasteners, and the U-shaped edge of the top end is fixedly connected with the top plate through fasteners.

[0008] Optionally, the port of the air pipe is flush with the inner wall of the rock wool metal plate, and the joint between the port and the inner wall is sealed by an L-shaped edge.

[0009] Optionally, the access door comprises a door frame and a door plate hinged to the door frame, a sealing strip is arranged between the door frame and the door plate, a door hole adapted to the door frame is formed in the side plate, an edge closing aluminum material is fixed to the inner edge of the door hole, the door frame is fixedly connected with the edge closing aluminum material through fasteners, and the door frame and the side plate are sealed by silicone.

[0010] Optionally, the top plate, the side plate and the bottom plate are all spliced by a plurality of rock wool metal plates, adjacent rock wool metal plates in the same plane are connected by middle aluminum materials, and the joints are all sealed by silicone.

[0011] Optionally, the rock wool metal plate selects a 50mm-thick rock wool color steel plate, the inner and outer wall plates of the rock wool color steel plate are color galvanized steel plates, a rock wool thermal insulation layer is filled between the inner and outer wall plates, and the inner and outer wall plates and the rock wool thermal insulation layer are integrally pressed into one body.

[0012] The embodiments of the utility model have the following beneficial effects:

[0013] 1. The rock wool metal plate is used as the tank material, the thermal insulation material is directly arranged in the metal plate interlayer, manual pasting of the thermal insulation layer is not needed, the process procedure is effectively saved, the construction efficiency is improved, the thermal insulation layer is not easy to be damaged, energy loss is reduced, the overall appearance of the static pressure tank is improved, and the functional and aesthetic harmony is realized.

[0014] 2. The top plate, the side plate and the bottom plate are sealingly matched, the side plate and the bottom plate are attached to the inner wall of the civil static pressure tank, the top plate is attached to the top surface of the inner wall of the civil static pressure tank, or a plurality of support columns are arranged between the top plate and the top surface of the inner wall of the civil static pressure tank, so as to ensure the overall anti-deformation ability and tightness (ensure the cleanliness) of the tank, and the safety and stability of the clean air conditioning system in operation are ensured.

[0015] 3. The access door is hingedly installed on the side plate, the access door is sealingly matched with the side plate, when the clean air conditioning system is normally operated (positive pressure in the tank), the access door can be in a pressed state, so that the airtightness of the access door is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 It is a structural schematic diagram of one of the embodiments of the present application.

[0018] Figure 2 It is a structural schematic diagram of another embodiment of the present application.

[0019] Figure 3 It is a connection structure schematic diagram between adjacent rock wool metal plates in the embodiment of the present application.

[0020] Figure 4 It is a connection structure schematic diagram of the bottom end of the side plate in the embodiment of the present application.

[0021] Figure 5 It is a connection structure schematic diagram of the top end of the side plate in the embodiment of the present application.

[0022] Figure 6 It is a connection structure schematic diagram of the side edge of the side plate in the embodiment of the present application.

[0023] Figure 7 It is a connection structure schematic diagram of the air pipe port in the embodiment of the present application.

[0024] Figure 8 It is a connection structure schematic diagram of the access door in the embodiment of the present application.

[0025] The numbers in the figure represent:

[0026] 1, air pipe; 2, civil engineering static pressure tank; 3, top plate; 4, side plate; 5, bottom plate; 6, rock wool metal plate; 7, middle aluminum material; 8, supporting column; 9, U-shaped edge covering; 10, L-shaped edge covering; 11, door frame; 12, door plate; 13, sealing strip; 14, edge closing aluminum material. DETAILED DESCRIPTION

[0027] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the scope of protection of the utility model. In addition, it should be understood that the specific implementation described herein is only used to illustrate and explain the utility model, and is not used to limit the utility model. In the utility model, the orientation words such as 'top' and 'bottom' are usually used to indicate the top and bottom of the device in the actual use or working state, and the specific is the drawing direction in the drawing. And 'inner' and 'outer' are relative to the contour of the structure.

[0028] Please refer to Figure 1 、 Figure 2 The embodiment of the utility model provides a kind of medium-pressure clean air supply static pressure box, including the box body being connected with the air pipe 1 of clean air conditioning system, the box body is arranged in the civil static pressure box 2 formed by civil wall structure, including the top plate 3, side plate 4 and bottom plate 5 of sealing cooperation.The top plate 3, side plate 4 and bottom plate 5 are all used rock wool metal plate 6, rock wool metal plate 6 will directly place thermal insulation material in metal plate interlayer, so it is not necessary to artificially paste thermal insulation layer again, effectively save the process procedure, improve construction efficiency, and thermal insulation layer is not easy to be damaged, reduce energy loss, more improve the overall appearance of static pressure box, realize the harmonious unity of functionality and beauty.

[0029] Considering that the air supply static pressure box of medium-pressure clean air conditioning system is usually large in size, the top plate 3, side plate 4 and bottom plate 5 of the box body can be spliced by multiple rock wool metal plates 6. As shown in Figure 3 When splicing, adjacent rock wool metal plates 6 in the same plane are connected by middle aluminum material 7, and the joints are sealed by silicone, the surface is flat, and the combined plane joint is not more than 0.5mm, to ensure that the overall visual plane feeling is uniform. Preferably, the rock wool metal plate 6 in the embodiment of the utility model is selected as a 50mm thick rock wool color steel plate, the inner and outer wall plates of the rock wool color steel plate are color galvanized steel plates, the rock wool insulation layer is filled between the inner and outer wall plates, and the inner and outer wall plates and the rock wool insulation layer are integrally pressed as a whole. The fire resistance limit of the 50mm thick rock wool color steel plate is 1 hour (has passed the national fire resistance supervision and inspection center inspection), the sound insulation performance is more than 30dB (A), and the heat transfer coefficient is k=0.178W / ㎡·K. The rock wool color steel plate can be flexibly spliced and combined, does not need to be hoisted by machinery, can be disassembled and assembled multiple times, is reusable, and has good air tightness.

[0030] In order to ensure the overall deformation resistance and tightness of the box body, the side plate 4 and the bottom plate 5 can be directly attached to the inner wall of the civil static pressure box 2. As shown in Figure 2As shown, in the area where the top beam of the civil static pressure box 2 is less, the top plate 3 can be directly attached to the top (that is, the top plate 3 is attached to the inner wall top surface of the civil static pressure box 2), and in the area where the top beam of the civil static pressure box 2 is more, the top plate 3 can only be arranged in a spaced manner with the inner wall top surface of the civil static pressure box 2, and at this time, a plurality of support columns 8 can be arranged between the top plate 3 and the inner wall top surface of the civil static pressure box 2, such as Figure 1 As shown, the top plate 3 is reinforced and supported by the support column 8 to ensure that the top plate 3 can withstand sufficient internal pressure.

[0031] Specifically, the bottom end of the side plate 4 is fixedly connected with the inner wall bottom surface of the civil static pressure box 2, the top plate 3 is arranged on the top end of the side plate 4 and is fixedly connected with the side plate 4, and the bottom plate 5 is arranged between the side plates 4 and abuts against the inner wall of the side plate 4. During installation, the four side plates 4 are first installed, then the top plate 3 is installed on the top of the side plate 4, the side plate 4 is pressed from the top by the top plate 3, and the support column 8 is additionally installed in the area where the top plate 3 cannot be attached to the inner wall top surface of the civil static pressure box 2, so as to ensure the safety of the structure; finally, the bottom plate 5 is installed between the four side plates 4, and the side plate 4 is pressed from the bottom inside by the bottom plate 5; all plate joints need to be sealed by silicone.

[0032] Further, in order to facilitate connection, a U-shaped edge covering 9 can be arranged at the connecting end of the plate. As shown in Figure 4 , Figure 5 As shown, the U-shaped edge covering 9 at the bottom end of the side plate 4 is fixedly connected with the inner wall bottom surface of the civil static pressure box 2 by a fastener, and the U-shaped edge covering 9 at the top end is fixedly connected with the top plate 3 by a fastener, and the side plate 4 and the U-shaped edge covering 9 need to be sealed by silicone. Similarly, when adjacent vertical plate members (for example, between two adjacent side plates 4) need to be connected, a U-shaped edge covering 9 can also be arranged at the connecting end of one of the plate members as a connection base, as shown in Figure 6 .

[0033] When the side plate 4 is installed, the U-shaped edge covering 9 is first fixed to the inner wall bottom surface of the civil static pressure box 2 with the opening facing upward by using a nail or a self-tapping screw fastener (the screw spacing is 300-350 mm), and then the bottom end of the side plate 4 is inserted into the fixed U-shaped edge covering 9, so that the side plate 4 is attached to the inner wall of the civil static pressure box 2 (the side plate 4 and the U-shaped edge covering 9 are sealed by silicone, and the side of the side plate 4 facing the civil static pressure box 2 is also pre-marked by silicone). After the side plate 4 is installed, the U-shaped edge covering 9 is also installed at the top end of the side plate 4, and then the top plate 3 is pressed and installed on the top of the side plate 4, and the top plate 3 and the side plate 4 are fixed by using a self-tapping screw fastener, and the screw spacing is within 300 mm. The area above the top plate 3 that cannot be attached to the inner wall top surface of the civil static pressure box 2 is reinforced and supported by the support column 8, so as to ensure that the top plate 3 can withstand sufficient internal pressure.

[0034] Further, as shown in Figure 7 The port of the air duct 1 needs to be flush with the inner wall of the rock wool metal plate 6, and the joint between the two is sealed by the L-shaped edge cover 10.

[0035] In addition, since the air supply static pressure box needs to be regularly maintained and inspected, and the operation and maintenance personnel will enter the box body at irregular intervals to measure and debug, the utility model embodiment further hingedly installs an access door on the side plate 4, and the access door is provided with a sealing cooperation with the side plate 4, so as to ensure that the access door can be in a compressed state when the clean air conditioning system is normally operated (the positive pressure in the box body), thereby ensuring the airtightness of the access door. Specifically, as shown in Figure 8 The access door includes a door frame 11 and a door plate 12 hinged with the door frame 11, and a sealing strip 13 is arranged between the door frame 11 and the door plate 12. The side plate 4 is provided with a door hole matched with the door frame 11, and the inner edge of the door hole is fixedly provided with an edge-closing aluminum material 14. The door frame 11 is fixedly connected with the edge-closing aluminum material 14 through a self-tapping screw and the like fastener, and the door frame 11 and the side plate 4 also need to be sealed by silica gel. Further, the four door frames 11 and the door plate 12 can also be subjected to reinforcement treatment, so that they can withstand a pressure of 500-700 pa.

[0036] The principle and implementation mode of the utility model are described by applying specific examples in this paper, and the above embodiment is only used to help understand the technical scheme and core idea of the utility model; those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A medium pressure clean air supply plenum box, characterized by: The box is arranged in a civil static pressure box formed by a civil wall structure and communicates with a duct of a clean air conditioning system; the box comprises a sealingly fitted top plate, side plates and a bottom plate, the top plate, the side plates and the bottom plate are all made of rock wool metal plates, the side plates and the bottom plate are attached to the inner wall of the civil static pressure box, and the top plate is attached to the top surface of the inner wall of the civil static pressure box or is arranged in a spaced manner with the top surface of the inner wall of the civil static pressure box; when the top plate is arranged in a spaced manner with the top surface of the inner wall of the civil static pressure box, a plurality of supporting columns are arranged between the top plate and the top surface of the inner wall of the civil static pressure box; a maintenance door is hingedly installed on the side plate in an inward opening manner, and the maintenance door and the side plate are sealingly fitted.

2. A medium pressure clean air plenum plenum according to claim 1, wherein: The bottom end of the side plate is fixedly connected with the bottom surface of the inner wall of the civil static pressure box, the top plate is arranged on the top end of the side plate and is fixedly connected with the side plate, and the bottom plate is clamped between the side plates and abuts against the inner wall of the side plate.

3. A medium pressure clean air plenum plenum according to claim 2, wherein: The bottom end and the top end of the side plate are provided with U-shaped edges, the U-shaped edge at the bottom end is fixedly connected with the bottom surface of the inner wall of the civil static pressure box through fasteners, and the U-shaped edge at the top end is fixedly connected with the top plate through fasteners, and the side plate and the U-shaped edges are sealed by silicone.

4. A medium pressure clean air plenum plenum according to claim 1, wherein: The port of the duct is flush with the inner wall of the rock wool metal plate, and the joint therebetween is sealed by an L-shaped edge.

5. A medium pressure clean air plenum plenum according to claim 1, wherein: The maintenance door comprises a door frame and a door plate hingedly connected with the door frame, and a sealing strip is arranged between the door frame and the door plate; a door hole adapted to the door frame is formed in the side plate, an edge closing aluminum material is fixedly arranged on the inner edge of the door hole, the door frame is fixedly connected with the edge closing aluminum material through fasteners, and the door frame and the side plate are sealed by silicone.

6. A medium pressure clean air plenum plenum chamber according to any one of claims 1 to 5, wherein: The top plate, the side plates and the bottom plate are all formed by splicing a plurality of rock wool metal plates, adjacent rock wool metal plates in the same plane are connected by a centrally arranged aluminum material, and the joints are all sealed by silicone.

7. A medium pressure clean air plenum plenum chamber according to claim 6, wherein: The rock wool metal plate selects a 50mm-thick rock wool color steel plate, the inner and outer wall plates of the rock wool color steel plate are both color galvanized steel plates, a rock wool thermal insulation layer is filled between the inner and outer wall plates, and the inner and outer wall plates and the rock wool thermal insulation layer are integrally pressed as a whole.

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