CN220791597U - Swirling flow preventing device for water inlet of internal circulation spray water pump of closed cooling tower - Google Patents
Swirling flow preventing device for water inlet of internal circulation spray water pump of closed cooling tower Download PDFInfo
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- CN220791597U CN220791597U CN202321936888.0U CN202321936888U CN220791597U CN 220791597 U CN220791597 U CN 220791597U CN 202321936888 U CN202321936888 U CN 202321936888U CN 220791597 U CN220791597 U CN 220791597U
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- water inlet
- mounting plate
- water
- water pump
- cooling tower
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a water inlet swirling device of a circulating spray water pump in a closed cooling tower, which belongs to the technical field of cooling towers and comprises a swirling device horizontally arranged in a water tank; the anti-swirling device consists of an upper mounting plate, a lower mounting plate and a partition plate; the upper mounting plate and the lower mounting plate are disc-shaped and are arranged in parallel; a plurality of fan-shaped water absorbing cavities are arranged between the upper mounting plate and the lower mounting plate through annular partition plates; the center of the lower mounting plate is provided with a connecting hole which is connected with a connecting pipe, and the connecting pipe is connected with a water inlet. According to the utility model, the anti-swirling device is added in the water tank of the existing standard closed cooling tower, so that the original non-uniform water inlet mode of the water pump water inlet is changed into the uniform water inlet mode around the whole space, and the water pump water inlet is prevented from forming swirling flow, thereby preventing air in swirling flow from being brought into the water pump and the pipeline, and preventing cavitation phenomena of the water pump and the pipeline.
Description
Technical Field
The utility model belongs to the technical field of cooling towers, and particularly relates to a water inlet swirling device of a circulating spray water pump in a closed cooling tower.
Background
As shown in fig. 1-2, a circulating water pipe of the existing standard closed cooling tower is communicated with the side wall of a water tank 4 through a water pump 2, water is absorbed from the water tank 4 through a water inlet 3 on the side wall of the water tank 4, and a water sinking hole 5 is formed in the upper part of the water tank 4 and used for sinking water in a basin into the water tank 4. This arrangement results in the water absorption at a certain point in the water tank 4 falling at a greater rate than at other points, which results in a negative pressure at this point, thus creating a swirling flow. Air in the water tank 4 enters the water pump 2 along with swirling flow, so that the water pump 2 or a pipeline vibrates, certain damage is caused to the water pump 2 and the pipeline, the noise of the cooling tower is overlarge, and the service life of the cooling tower is shortened.
Disclosure of Invention
According to the anti-swirling device for the water inlet of the circulating spray water pump in the closed cooling tower, provided by the utility model, the anti-swirling device is added in the water tank of the existing standard closed cooling tower, so that the water inlet of the water pump is changed from an original non-uniform water inlet mode to a uniform water inlet mode around the whole space, swirling of the water inlet of the water pump is avoided, air in swirling is prevented from being brought into the water pump and a pipeline, and cavitation of the water pump and the pipeline is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the water inlet swirling device of the circulating spray water pump in the closed cooling tower comprises a swirling device which is horizontally arranged in a water tank; the cyclone preventing device consists of an upper mounting plate, a lower mounting plate and a partition plate; the upper mounting plate and the lower mounting plate are disc-shaped and are arranged in parallel; a plurality of fan-shaped water absorbing cavities are formed between the upper mounting plate and the lower mounting plate at intervals through annular partition plates; the connecting hole is formed in the center of the lower mounting plate and connected with the connecting pipe, and the connecting pipe is connected with the water inlet.
As a further improvement of the scheme, one end of the partition plate is leveled with the edge of the upper mounting plate or the lower mounting plate, and the other end of the partition plate is leveled with the edge of the connecting hole.
As a further improvement of the scheme, the height of the water suction cavity is half of the diameter of the water inlet.
As a further improvement of the above, the diameter of the swirler is three times the diameter of the water inlet.
As a further improvement of the above solution, the length of the partition plate is the same as the diameter of the water inlet.
The improved technical effects are as follows: through the optimization of the size structure, the optimal effect that the water inflow does not form turbulence and the water inflow is uniform around can be achieved.
As a further improvement of the scheme, one end of the connecting pipe is connected with the water inlet of the side wall of the water tank, and the other end of the connecting pipe is bent upwards and is horizontally provided with the cyclone preventing device.
As a further improvement of the scheme, a plurality of anti-swirling devices are vertically distributed up and down; two adjacent swirling devices are communicated with each other through a branch pipe.
The improved technical effects are as follows: the water flow conveying speed can be improved by arranging the plurality of anti-swirling devices, and meanwhile, certain water flow can be ensured when the water level in the water tank is reduced.
Compared with the prior art, the utility model has the beneficial effects that:
the water circulation spraying water pump in the closed cooling tower can be prevented from pumping water at one point at the water inlet after being started to form vortex water flow, the water flow is pumped in a space formed at the water inlet of the water pump by the vortex preventing device, the water flow uniformly flows in through the periphery of the vortex preventing device, air formed when one point enters the water pump is prevented from entering the water pump, the water flow speed of each surface of the water flow is also reduced, the water surface uniformly descends, and the generation of vortex is avoided; and effectively reduces the water inlet level of the water pump. Thereby improving the utilization rate of the pool.
Drawings
FIG. 1 is a schematic diagram of a water tank connection structure between a circulating pipeline and the bottom of a water collecting basin through a water pump in a conventional closed cooling tower.
Fig. 2 is a schematic view of the internal structure of the water tank.
Fig. 3 is a schematic structural view of the present utility model.
Fig. 4 is a schematic view showing a structure in which the swirler is installed in the water tank.
FIG. 5 is a schematic view of a cyclone separator.
Fig. 6 is a schematic view of the structure of the lower mounting plate.
FIG. 7 is a schematic view showing a structure in which a plurality of swirlers are communicated with each other.
In the figure: 1. a circulation pipe; 2. a water pump; 3. a water inlet; 4. a water tank; 5. a submerged hole; 6. a connecting pipe; 7. a swirler; 8. a branch pipe; 71. a lower mounting plate; 72. an upper mounting plate; 73. a partition plate; 74. a water suction cavity; 75. and a connection hole.
Detailed Description
In order that those skilled in the art will better understand the technical solutions, the following detailed description of the technical solutions is provided with examples and illustrations only, and should not be construed as limiting the scope of the present patent.
Referring to fig. 3 to 6, in a specific embodiment, a water inlet swirling device of a circulating spray water pump in a closed cooling tower comprises a swirling device 7 horizontally arranged in a water tank 4; the cyclone preventing device 7 is composed of an upper mounting plate 72, a lower mounting plate 71 and a partition plate 73; the upper mounting plate 72 and the lower mounting plate 71 are disk-shaped and are arranged in parallel with each other; a plurality of fan-shaped water absorbing cavities 74 are spaced between the upper mounting plate 72 and the lower mounting plate 71 by partition plates 73 which are annularly distributed; the center of the lower mounting plate 71 is provided with a connecting hole 75 which is connected with the connecting pipe 6, and the connecting pipe 6 is connected with the water inlet 3.
Specifically, the water tank 4 is installed in the water collecting basin bottom of cooling tower bottom, and the water in the water collecting basin flows into the water tank 4 through the submerged hole 5, then the water pump 2 draws the water in the water tank 4 into the circulation pipeline 1, and the circulation pipeline 1 upwards carries water to the water planting basin, and the water in the water planting basin sprays down through the shower head, falls back to the water collecting basin again. The whole of the cyclone preventing device 7 is disc-shaped; the water tank is horizontally arranged in the middle of the water tank 4; the connecting hole 75 on the bottom surface is connected with the water inlet 3 on the side wall of the water tank 4 through the connecting pipe 6.
When the water pump 2 is started, the water pump 2 generates suction force, water in the water tank 4 is sucked into the anti-cyclone device 7, the original non-uniform water inlet mode is changed into that water flow around the whole space is uniformly sucked from the water suction cavity 74, and the water inlet 3 of the water pump 2 is prevented from forming cyclone, so that air in the cyclone is prevented from being brought into the water pump 2 and the pipeline, and cavitation phenomenon on the water pump 2 and the pipeline is avoided. The swirling flow preventing device can also effectively reduce the water inlet level of the water pump 2. Thereby improving the utilization rate of the pool.
As shown in fig. 5, as a preferable mode of the above embodiment, the partition 73 is leveled with the edge of the upper mounting plate 72 or the lower mounting plate 71 at one end and with the edge of the connection hole 75 at the other end.
Specifically, the length of the spacer 73 is the length of the lower mounting plate 71 minus the diameter of the connection hole 75 divided by 2. The baffle plate 73 is leveled with the edge of the upper mounting plate 72 or the lower mounting plate 71, so that the water flow at the edge of the swirler 7 can flow freely, and the flow uniformity is improved; the baffle plate 73 is leveled with the edge of the connecting hole 75, so that water flow can enter the connecting pipe 6 from the connecting hole 75, and the resistance is reduced.
As shown in fig. 5-6, as a preferred form of the above embodiment, the height of the suction chamber 74 is half the diameter of the water inlet 3. The diameter of the anti-swirling device is three times that of the water inlet 3. The length of the partition 73 is the same as the diameter of the water inlet 3.
After calculation, the optimal effect that water inflow does not form turbulence and water inflow is uniform around can be achieved by adopting the size.
As shown in fig. 4, as a preferred mode of the above embodiment, a connection pipe 6 is connected at one end to the water inlet 3 of the side wall of the water tank 4, and is bent upward at the other end and horizontally installed with a cyclone preventing device 7.
As shown in fig. 7, as a preferable mode of the above embodiment, a plurality of the swirlers 7 are vertically arranged up and down; two adjacent swirlers 7 are communicated with each other through a branch pipe 8. Specifically, in the two adjacent swirlers 7, the bottom surface of the upper swirler 7 and the top surface of the lower swirler 7 are communicated with each other through a branch pipe 8.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Specific examples are used herein to illustrate the principles and embodiments of the present patent technical solution, and the above examples are only used to help understand the method of the present patent and its core ideas. The foregoing is merely a preferred embodiment of the present patent, and it should be noted that, due to the limited text expression, there is objectively an infinite number of specific structures, and it will be apparent to those skilled in the art that several modifications, adaptations or variations can be made and the above technical features can be combined in a suitable manner without departing from the principles of the present patent; such modifications, variations, or combinations, or the direct application of the concepts and aspects of the disclosed patent to other applications without modification, are intended to be within the scope of the present disclosure.
Claims (7)
1. The water inlet swirling device of the circulating spray water pump in the closed cooling tower is characterized by comprising a swirling device (7) horizontally arranged in a water tank (4); the cyclone preventing device (7) consists of an upper mounting plate (72), a lower mounting plate (71) and a partition plate (73); the upper mounting plate (72) and the lower mounting plate (71) are disc-shaped and are arranged in parallel; a plurality of fan-shaped water absorbing cavities (74) are formed between the upper mounting plate (72) and the lower mounting plate (71) at intervals through annular partition plates (73); the center of the lower mounting plate (71) is provided with a connecting hole (75) which is connected with the connecting pipe (6), and the connecting pipe (6) is connected with the water inlet (3).
2. The anti-swirling device for the water inlet of the circulating spray water pump in the closed cooling tower according to claim 1, wherein one end of the partition plate (73) is leveled with the edge of the upper mounting plate (72) or the lower mounting plate (71), and the other end is leveled with the edge of the connecting hole (75).
3. A closed cooling tower internal circulation spray water pump water inlet swirling device according to claim 2, characterized in that the height of the water suction cavity (74) is half the diameter of the water inlet (3).
4. A closed cooling tower internal circulation spray water pump water inlet swirl preventing device according to claim 3, characterized in that the diameter of the swirl preventing device (7) is three times the diameter of the water inlet (3).
5. The device for preventing swirling flow at the water inlet of the circulating spray water pump in a closed cooling tower according to claim 4, wherein the length of the partition plate (73) is the same as the diameter of the water inlet (3).
6. The anti-swirling device for the water inlet of the circulating spray water pump in the closed cooling tower according to claim 1, wherein one end of the connecting pipe (6) is connected with the water inlet (3) of the side wall of the water tank (4), and the other end is bent upwards and horizontally provided with the anti-swirling device (7).
7. The water inlet swirling device of the circulating spray water pump in the closed cooling tower according to claim 1, wherein a plurality of swirling devices (7) are vertically distributed up and down; two adjacent swirling devices (7) are communicated with each other through a branch pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936888.0U CN220791597U (en) | 2023-07-22 | 2023-07-22 | Swirling flow preventing device for water inlet of internal circulation spray water pump of closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936888.0U CN220791597U (en) | 2023-07-22 | 2023-07-22 | Swirling flow preventing device for water inlet of internal circulation spray water pump of closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791597U true CN220791597U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321936888.0U Active CN220791597U (en) | 2023-07-22 | 2023-07-22 | Swirling flow preventing device for water inlet of internal circulation spray water pump of closed cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791597U (en) |
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2023
- 2023-07-22 CN CN202321936888.0U patent/CN220791597U/en active Active
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