Cooling tower air duct with noise reduction and flow guide structure

Abstract

The utility model discloses a cooling tower air duct with a noise reduction and flow guide structure, which comprises a mounting seat, a plurality of mounting holes are equidistantly formed in the edge of the top of the mounting seat in a surrounding manner, the top of the mounting seat is fixedly communicated with an air duct body, and a plurality of flow guide plates are fixedly connected onto the inner wall of the air duct body. A first silencing assembly is arranged on the inner wall of the air duct body. The mounting seat, the mounting hole, the air duct body, the guide plate, the first silencing assembly, the first silencing layer, the first sound insulation felt layer, the glass wool layer, the second sound insulation felt layer, the first silencing plate, the first silencing groove, the second silencing assembly, the silencing cover, the second silencing layer, the second silencing plate and the second silencing groove are matched with one another, so that a good silencing effect is achieved; and therefore, the practicability of the cooling tower air duct is greatly improved, and the market demand can be greatly met.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling tower ducts, in particular to a cooling tower duct with a sound-absorbing and flow-guiding structure. Background Art

[0002] The wind duct of the cooling tower has four major functions: one is the maintenance structure of the fan; the second is the guarantee structure of the air volume and air pressure; the third is to ensure that the hot and humid air is sent into the atmosphere to reduce backflow and improve the efficiency of the cooling tower; the fourth function is to serve as a noise reduction function by isolating the noise propagation path and damping the consumption of sound energy.

[0003] At present, as disclosed in the patent application number CN202223424928.1, the utility model discloses a cooling tower duct device, including a cooling tower duct device body, a mounting plate and a fan, and also includes an arc connecting cylinder, a latch, a support, an inner resistance ring, an extended straight cylinder, a stop plate, a top stop plate and a low stop plate to constitute a rain-blocking mechanism, a mounting plate is welded to the bottom end of the outer shell body of the cooling tower duct device body, and a fan is installed on the inner cylinder wall of the cooling tower duct device body, and a rain-blocking mechanism is arranged at the cylinder mouth position of the cooling tower duct device body.

[0004] However, in actual use, the above patent has the following defects: the silencing effect is poor and it is difficult to meet the market demand. Therefore, we propose a cooling tower duct with a silencing and guide structure. Utility Model Content

[0005] The utility model aims to provide a cooling tower air duct with a sound-absorbing and flow-guiding structure to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a cooling tower fan duct with a sound-absorbing and flow-guiding structure, comprising:

[0007] A mounting seat, wherein a plurality of mounting holes are formed around the top edge of the mounting seat at equal distances;

[0008] The air duct body, the top of the mounting seat is fixedly connected with the air duct body;

[0009] Guide plates, a plurality of guide plates are fixedly connected to the inner wall of the air duct body;

[0010] A first silencer component is provided on the inner wall of the air duct body, the first silencer component comprises a first silencer layer, a first silencer plate and a first silencer groove, the first silencer layer is fixedly installed on the inner wall of the air duct body, the first silencer plate is fixedly connected to the inner wall of the first silencer layer, and a plurality of first silencer grooves are evenly opened on the inner wall of the first silencer plate;

[0011] A second silencer assembly is provided on the exterior of the air duct body.

[0012] Furthermore, the first sound-absorbing layer includes a first sound-insulating felt layer, a glass wool layer and a second sound-insulating felt layer, and the glass wool layer is fixedly connected to the top of the first sound-insulating felt layer.

[0013] Furthermore, a second sound insulation felt layer is fixedly connected to the top of the glass wool layer, and the thickness of the second sound insulation felt layer is the same as that of the first sound insulation felt layer.

[0014] Furthermore, the second sound-absorbing component includes a sound-absorbing cover, a second sound-absorbing layer, a second sound-absorbing plate and a second sound-absorbing groove, and the outer surface of the air duct body is sleeved with a sound-absorbing cover.

[0015] Furthermore, the bottom of the noise absorbing cover is fixedly connected to the top of the mounting seat, and the second noise absorbing layer is fixedly connected to the inner wall of the noise absorbing cover.

[0016] Furthermore, the second sound-absorbing layer is made of the same material as the first sound-absorbing layer, and a second sound-absorbing plate is fixedly connected to the inner wall of the second sound-absorbing layer.

[0017] Furthermore, a plurality of second silencer grooves are evenly arranged on the inner wall of the second silencer plate.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model achieves a good sound-absorbing effect through the cooperation of a mounting seat, a mounting hole, a duct body, a guide plate, a first sound-absorbing component, a first sound-absorbing layer, a first sound-insulating felt layer, a glass wool layer, a second sound-insulating felt layer, a first sound-absorbing plate, a first sound-absorbing groove, a second sound-absorbing component, a sound-absorbing cover, a second sound-absorbing layer, a second sound-absorbing plate and a second sound-absorbing groove, thereby greatly improving the practicality of the cooling tower duct and being able to greatly meet market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a side view structural schematic diagram of the utility model;

[0022] Figure 3 This is a front view of the structure section of the utility model;

[0023] Figure 4 This is a schematic diagram of the layered structure of the first sound-absorbing layer of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the air duct body of the utility model.

[0025] In the figure: 1. mounting seat; 2. mounting hole; 3. air duct body; 4. guide plate; 5. first silencer assembly; 501. first silencer layer; 5011. first sound insulation felt layer; 5012. glass wool layer; 5013. second sound insulation felt layer; 502. first silencer board; 503. first silencer groove; 6. second silencer assembly; 601. silencer cover; 602. second sound insulation layer; 603. second silencer board; 604. second silencer groove. DETAILED DESCRIPTION

[0026] 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.

[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] See also Figure 1-5A cooling tower duct with a sound-absorbing and guide structure comprises a mounting base 1, a plurality of mounting holes 2 are equidistantly arranged around the top edge of the mounting base 1, a duct body 3 is fixedly connected to the top of the mounting base 1, a plurality of guide plates 4 are fixedly connected to the inner wall of the duct body 3, a first sound-absorbing component 5 is arranged on the inner wall of the duct body 3, the first sound-absorbing component 5 comprises a first sound-absorbing layer 501, a first sound-absorbing plate 502 and a first sound-absorbing groove 503, a first sound-absorbing layer 501 is fixedly mounted on the inner wall of the duct body 3, a first sound-absorbing plate 502 is fixedly connected to the inner wall of the first sound-absorbing layer 501, a plurality of first sound-absorbing grooves 503 are evenly arranged on the inner wall of the first sound-absorbing plate 502, and a second sound-absorbing component 6 is sleeved on the outside of the duct body 3.

[0030] Specifically, the first sound-absorbing layer 501 includes a first sound-insulating felt layer 5011 , a glass wool layer 5012 , and a second sound-insulating felt layer 5013 . The top of the first sound-insulating felt layer 5011 is fixedly connected to the glass wool layer 5012 .

[0031] During specific implementation, a second sound insulation felt layer 5013 is fixedly connected to the top of the glass wool layer 5012 , and the thickness of the second sound insulation felt layer 5013 is the same as that of the first sound insulation felt layer 5011 .

[0032] Specifically, the second silencer assembly 6 includes a silencer cover 601 , a second silencer layer 602 , a second silencer plate 603 and a second silencer groove 604 , and the outer surface of the air duct body 3 is sleeved with the silencer cover 601 .

[0033] During specific implementation, the bottom of the silencer cover 601 is fixedly connected to the top of the mounting base 1 , and the second silencer layer 602 is fixedly connected to the inner wall of the silencer cover 601 .

[0034] Specifically, the second sound-absorbing layer 602 is made of the same material as the first sound-absorbing layer 501 , and a second sound-absorbing plate 603 is fixedly connected to the inner wall of the second sound-absorbing layer 602 .

[0035] In a specific implementation, a plurality of second silencer grooves 604 are evenly formed on the inner wall of the second silencer plate 603 .

[0036] In actual application: by arranging the first silencer component 5, the first silencer layer 501, the first sound insulation felt layer 5011, the glass wool layer 5012, the second sound insulation felt layer 5013, the first silencer plate 502, the first silencer groove 503, the second silencer component 6, the silencer cover 601, the second silencer layer 602, the second silencer plate 603 and the second silencer groove 604, a good silencer effect can be achieved, thereby greatly improving the practicality of the cooling tower wind tunnel.

[0037] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0038] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling tower air duct with a sound-absorbing and flow-guiding structure, characterized in that: include: A mounting seat (1), wherein a plurality of mounting holes (2) are formed around the top edge of the mounting seat (1) at equal distances; A wind tube body (3), the top of the mounting seat (1) is fixedly connected to the wind tube body (3); Guide plates (4), a plurality of guide plates (4) being fixedly connected to the inner wall of the wind tube body (3); A first sound-absorbing component (5), the first sound-absorbing component (5) being arranged on the inner wall of the air duct body (3), the first sound-absorbing component (5) comprising a first sound-absorbing layer (501), a first sound-absorbing plate (502) and a first sound-absorbing groove (503), the first sound-absorbing layer (501) being fixedly mounted on the inner wall of the air duct body (3), the first sound-absorbing plate (502) being fixedly connected to the inner wall of the first sound-absorbing layer (501), and a plurality of first sound-absorbing grooves (503) being evenly arranged on the inner wall of the first sound-absorbing plate (502); A second silencer component (6), the exterior of the wind tube body (3) is sleeved with a second silencer component (6).

2. The cooling tower air duct with a sound-absorbing and flow-guiding structure according to claim 1, characterized in that: The first sound-absorbing layer (501) comprises a first sound-insulating felt layer (5011), a glass wool layer (5012) and a second sound-insulating felt layer (5013), and the top of the first sound-insulating felt layer (5011) is fixedly connected to the glass wool layer (5012).

3. The cooling tower air duct with a sound-absorbing and flow-guiding structure according to claim 2 is characterized in that: A second sound insulation felt layer (5013) is fixedly connected to the top of the glass wool layer (5012), and the thickness of the second sound insulation felt layer (5013) is the same as that of the first sound insulation felt layer (5011).

4. The cooling tower air duct with a sound-absorbing and flow-guiding structure according to claim 3 is characterized in that: The second silencer assembly (6) comprises a silencer cover (601), a second silencer layer (602), a second silencer plate (603) and a second silencer groove (604), and the outer surface of the air duct body (3) is sleeved with the silencer cover (601).

5. The cooling tower air duct with a sound-absorbing and flow-guiding structure according to claim 4, characterized in that: The bottom of the noise absorbing cover (601) is fixedly connected to the top of the mounting seat (1), and a second noise absorbing layer (602) is fixedly connected to the inner wall of the noise absorbing cover (601).

6. The cooling tower air duct with a sound-absorbing and flow-guiding structure according to claim 5, characterized in that: The second sound-absorbing layer (602) is made of the same material as the first sound-absorbing layer (501), and a second sound-absorbing plate (603) is fixedly connected to the inner wall of the second sound-absorbing layer (602).

7. The cooling tower air duct with a sound-absorbing and flow-guiding structure according to claim 6, characterized in that: A plurality of second silencer grooves (604) are evenly arranged on the inner wall of the second silencer plate (603).

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