CN213147466U - Air inlet flow guide device of cooling tower - Google Patents
Air inlet flow guide device of cooling tower Download PDFInfo
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- CN213147466U CN213147466U CN202120502697.8U CN202120502697U CN213147466U CN 213147466 U CN213147466 U CN 213147466U CN 202120502697 U CN202120502697 U CN 202120502697U CN 213147466 U CN213147466 U CN 213147466U
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- cooling tower
- guide plate
- tower body
- guiding device
- air inlet
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Abstract
The utility model provides a cooling tower air inlet guiding device, relates to air inlet guiding device technical field, including the tower body, the inside horizontal rigid coupling of tower body has the filler beam, the regional symmetry rigid coupling that is located the below of filler beam in the tower body has two sets of deflector groups, deflector group includes two side shields along the horizontal direction vertical setting side by side, still the rigid coupling has the well baffle of vertical setting between two side shields, the side shield that highly is less than both sides of well baffle, the equidistance sets up between side shield and tower body inner wall and side shield and the well baffle. The utility model provides a cooling tower among the conventional art receive tower body structure to influence, because the air inlet is inhomogeneous, air inlet department forms dead wind district easily, very easily forms the vortex, has reduced the problem of the heat transfer performance of cooling tower.
Description
Technical Field
The utility model relates to an air inlet guiding device technical field, concretely relates to cooling tower air inlet guiding device.
Background
The cooling tower generally comprises packing layer, the catch basin, exhaust facility and air inlet guiding device etc. cooling tower wide application in air conditioner, the petrochemical industry, metallurgy and electric power industry, its effect is to carry out the heat exchange with the air with the medium that has used heat in the tower, in distributing the air of used heat to the atmosphere, thereby reduce the temperature of medium itself, the angle between the inside guide plate of common cooling tower air inlet guiding device is fixed, can not change it according to the mobility of wind, lead to its air inlet cooling efficiency to reduce, cooling tower air inlet guiding device can not handle the air that gets into simultaneously, cause impurity dust etc. that carries in the air to enter into in the cooling tower easily.
The patent that discloses a CN210952492U among the prior art, this scheme includes cooling tower body and outlet pipe, the up end of cooling tower body is provided with the blast pipe, and the inside exhaust fan that is provided with of blast pipe, the inside of cooling tower body is provided with the packing layer, and the left and right sides of cooling tower body all is provided with air inlet guiding device, all be provided with the heat conduction piece on the wall of the left and right sides in the catch basin, the outlet pipe sets up the rear side at the catch basin, and the outlet pipe is kept away from the one end of catch basin and is run through the rear wall of cooling tower body and be connected with the rose box, the one end that the rose box was kept away from to the raceway runs through the rear. This cooling tower air inlet guiding device, the filter screen can filter the air that gets into the cooling tower body, reduces its dust impurity and enters into the cooling tower body, and the pendulum ball that sets up simultaneously is beaten the filter screen under the effect of wind power and is beaten for the impurity of adhesion drops on the filter screen, avoids its influence intake.
The device gradually exposes the defects of the technology along with the use process, and mainly shows the following aspects:
the existing cooling tower is influenced by the structure of the tower body, and because the air inlet is uneven, a dead air area is easily formed at the air inlet, so that the vortex is easily formed, and the heat exchange performance of the cooling tower is reduced.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a cooling tower air inlet guiding device for the cooling tower who solves among the conventional art receives tower body structure to influence, because the air inlet is inhomogeneous, air inlet department forms dead wind district easily, very easily forms the vortex, has reduced the problem of the heat transfer performance of cooling tower.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a cooling tower air inlet guiding device, includes the tower body, the inside horizontal rigid coupling of tower body has the filler roof beam, be located in the tower body the regional symmetry rigid coupling of the below of filler roof beam has two sets of guide plate groups, guide plate group includes two side shields of vertical setting side by side along the horizontal direction, two it has the well baffle of vertical setting to go back the rigid coupling between the side shield, well baffle highly be less than both sides the side shield, side shield and tower body inner wall and the side shield with the equidistance sets up between the well baffle.
As an optimized scheme, the side baffle comprises two first frames which are fixedly connected to two ends of the bottom of the filler beam in parallel, and a first guide plate is fixedly connected between the two first frames.
As an optimized scheme, a first upper frame connected with the top surface of the first flow guide plate is further fixedly connected between the upper end parts of the two first frames.
As an optimized scheme, the middle baffle comprises two second frames which are fixedly connected to the opposite tower walls of the tower body in parallel, and a second guide plate is fixedly connected between the two second frames.
As an optimized scheme, a second upper frame connected with the top surface of the second flow guide plate is further fixedly connected between the upper end parts of the two second frames.
As an optimized scheme, the distance between the side baffle and the inner wall of the tower body and the distance between the side baffle and the middle baffle are 2 m.
As an optimized solution, the width of the first baffle and the second baffle in the vertical direction is 0.8 m.
As an optimized scheme, the height difference between the top surface of the second guide plate and the top surface of the first guide plate is 0.2-0.3 m.
As an optimized scheme, the first guide plate and the second guide plate are both FRP plates.
Compared with the prior art, the beneficial effects of the utility model are that:
the air distribution of the air inlet is improved, the vortex is reduced, and the uniform air inlet is ensured, so that the higher heat exchange efficiency of the filler is ensured, and the performance of the cooling tower is improved;
a guide plate is added at the air inlet, so that the air flow is turned earlier, a dead air area is prevented from being formed at the upper part of the air inlet close to the outer side, and a vortex is prevented from being formed;
the three guide plates are arranged in a relative staggered mode, the middle of the guide plates is high, the two sides of the guide plates are low, and gas and liquid are distributed more uniformly after entering the filler, so that the heat exchange efficiency of the filler is ensured to be higher, and the performance of the cooling tower is improved;
in order to verify and verify the effectiveness of the flow guide device, a large amount of simulation is carried out on an air flow field inside and outside the tower body by CFD; the simulation result is favorable for confirming the benefit of the flow guide device on the flow field in the tower, and the formation of a dead air area is greatly reduced;
labor force is reduced, and the operation is convenient; the stability in the working process is improved; the parts are few, the working procedure is simple and convenient, and the failure rate is low; the structure is simple, and the service life is long; simple and convenient operation and control, easy large-scale manufacture and installation and wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 1-a tower body; 2-a filler beam; 3-side baffle; 4-a middle baffle; 5-a first frame; 6-a first upper frame; 7-a first baffle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, cooling tower air inlet guiding device, including tower body 1, the horizontal rigid coupling in 1 inside of tower body has filler beam 2, the regional symmetry rigid coupling that is located the below of filler beam 2 in the tower body 1 has two sets of guiding plate groups, guiding plate group includes two side shield 3 along the horizontal direction vertical setting side by side, it has vertical setting's well baffle 4 to go back the rigid coupling between two side shield 3, well baffle 4 highly is less than the side shield 3 of both sides, the equidistance sets up between side shield 3 and 1 inner wall of tower body and side shield 3 and the well baffle 4.
The side baffle 3 comprises two first frames 5 which are fixedly connected with two ends of the bottom of the filler beam 2 in parallel, and a first guide plate 7 is fixedly connected between the two first frames 5.
A first upper frame 6 connected with the top surface of a first guide plate 7 is also fixedly connected between the upper end parts of the two first frames 5.
The middle baffle 4 comprises two second frames which are fixedly connected to the tower body 1 in parallel, and a second guide plate is fixedly connected between the two second frames.
A second upper frame connected with the top surface of the second flow guide plate is fixedly connected between the upper end parts of the two second frames.
The distance between the side baffle 3 and the inner wall of the tower body 1 and the distance between the side baffle 3 and the middle baffle 4 are 2 m.
The width of the first guide plate 7 and the second guide plate along the vertical direction is 0.8 m.
The height difference between the top surface of the second guide plate and the top surface of the first guide plate 7 is 0.2-0.3 m.
The first guide plate 7 and the second guide plate are both FRP plates, corrosion resistance and long service life.
CFD calculation mode: and calculating the interference flow field of the surrounding environment of the tower body 1 and an adjacent tower body by adopting a CFD computational fluid dynamics mode, selecting a gas density equivalent value in an undisturbed area, and taking flow field parameters on a density equivalent surface as an initial boundary of three-dimensional CFD calculation, wherein the parameters comprise density, air inlet speed and temperature. And performing three-dimensional simulation CFD calculation on the flow field, dividing a CFD calculation area, determining the boundary of the flow field area, and dividing the area boundary, wherein the flow field is divided into an outlet boundary, an inlet boundary and a uniform boundary. And analyzing the correlation of the wind speed in each flow field, generating a random wind speed correlation matrix of the wind speed on each point of the area, and forming numerical simulation of each area of the flow field. Through the simulation and simulation comparison of the flow fields in the front cooling tower and the rear cooling tower which are provided with the air guide device, the dead wind area in the tower is greatly reduced after the air guide device is added, the flow field is more uniform, the air flow is turned at an earlier stage after the air guide device is added, and the effectiveness of the air guide device is verified.
Through a large number of simulations and experiments, we conclude that: when three guide plates of the air guide device are placed, the air guide effect is best, the distance between the three guide plates and the distance between the guide plates and the wall body of the cooling tower are about 2m, when the water treatment amount of the cooling tower exceeds 4000 cubic meters, the distance between the middle guide plate and the guide plates on the left side and the right side can be properly increased, the increase range is between 0.15m and 0.25m, the larger the water amount is, the larger the distance can be increased, and when the distance is increased to exceed 0.25m, the air guide effect can be influenced. The width of the guide plate can be 0.8m, the guide plate can be adapted to air inlets with different heights through experiments and simulation, and the length requirement of the air deflector is consistent with that of the tower body 1. The height difference between the top of the middle guide plate and the top of the guide plates at the two sides is most suitable within the range of 0.2-0.3m, the air guide effect is optimal within the range, and the specific height can be selected according to the convenience in field installation. The guide plates on the two sides are arranged at the bottom of the filler beam 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. The utility model provides a cooling tower air inlet guiding device which characterized in that: including tower body (1), the inside horizontal rigid coupling of tower body (1) has filler beam (2), be located in tower body (1) the regional symmetry rigid coupling of the below of filler beam (2) has two sets of deflectors, deflectors include two side shield (3) of vertical setting side by side along the horizontal direction, two it has well baffle (4) of vertical setting to go back the rigid coupling between side shield (3), highly being less than both sides of well baffle (4) side shield (3), side shield (3) and tower body (1) inner wall and side shield (3) with equidistance sets up between well baffle (4).
2. The air intake guiding device of the cooling tower as claimed in claim 1, wherein: the side baffle (3) comprises two first frames (5) which are fixedly connected with two ends of the bottom of the filler beam (2) in parallel, and a first guide plate (7) is fixedly connected between the two first frames (5).
3. The air intake guiding device of the cooling tower as claimed in claim 2, wherein: and a first upper frame (6) connected with the top surface of the first guide plate (7) is further fixedly connected between the upper end parts of the two first frames (5).
4. The air intake guiding device of the cooling tower as claimed in claim 2, wherein: the middle baffle (4) comprises two second frames which are fixedly connected to the opposite tower wall of the tower body (1) in parallel, and a second guide plate is fixedly connected between the two second frames.
5. The cooling tower air intake guiding device of claim 4, wherein: and a second upper frame connected with the top surface of the second flow guide plate is fixedly connected between the upper end parts of the two second frames.
6. The air intake guiding device of the cooling tower as claimed in claim 1, wherein: the distance between the side baffle (3) and the inner wall of the tower body (1) and the distance between the side baffle (3) and the middle baffle (4) are 2 m.
7. The cooling tower air intake guiding device of claim 4, wherein: the width of the first guide plate (7) and the second guide plate along the vertical direction is 0.8 m.
8. The cooling tower air intake guiding device of claim 4, wherein: the height difference between the top surface of the second guide plate and the top surface of the first guide plate (7) is 0.2-0.3 m.
9. The cooling tower air intake guiding device of claim 4, wherein: the first guide plate (7) and the second guide plate are both FRP plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502697.8U CN213147466U (en) | 2021-03-10 | 2021-03-10 | Air inlet flow guide device of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502697.8U CN213147466U (en) | 2021-03-10 | 2021-03-10 | Air inlet flow guide device of cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213147466U true CN213147466U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120502697.8U Active CN213147466U (en) | 2021-03-10 | 2021-03-10 | Air inlet flow guide device of cooling tower |
Country Status (1)
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| CN (1) | CN213147466U (en) |
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2021
- 2021-03-10 CN CN202120502697.8U patent/CN213147466U/en active Active
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