CN216144239U - Mechanical ventilation high-level water collecting cooling tower water collecting device - Google Patents
Mechanical ventilation high-level water collecting cooling tower water collecting device Download PDFInfo
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- CN216144239U CN216144239U CN202122157435.5U CN202122157435U CN216144239U CN 216144239 U CN216144239 U CN 216144239U CN 202122157435 U CN202122157435 U CN 202122157435U CN 216144239 U CN216144239 U CN 216144239U
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Abstract
The utility model relates to a water collecting device of a mechanical ventilation high-level water collecting cooling tower, which is provided with a water collecting device; the water collecting device comprises a main body frame, a water collecting support plate arranged in the main body frame and a water collecting groove arranged at an outlet at the lower end of the water collecting support plate; the water collecting supporting plate is provided with a splash-proof assembly; the splash-proof assembly comprises a guide plate, an energy dissipation plate and a splash-proof plate which are sequentially arranged from bottom to top. The utility model aims to overcome the defects in the prior art and provide the water collecting device which is suitable for the mechanical ventilation high-position water collecting cooling tower and has a good splash-proof effect.
Description
Technical Field
The utility model relates to a water collecting device of a cooling tower, in particular to a water collecting device of a mechanical ventilation high-level water collecting cooling tower.
Background
Mechanical draft cooling towers are large cooling devices commonly used in power plants today. In the use process of the mechanical ventilation cooling tower, due to the fact that the splash-proof performance of the water collecting device is poor, in addition, water flow is rapid, water energy is large, and therefore the overflowing water vapor at the position of the water collecting device of the cooling tower is obvious. Therefore, it is necessary to design a water collecting device which is suitable for the mechanical ventilation high-level water collecting cooling tower and has a good anti-splash effect.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the water collecting device which is suitable for the mechanical ventilation high-position water collecting cooling tower and has a good splash-proof effect.
The technical scheme for realizing the purpose of the utility model is as follows: a mechanical ventilation high-level water-collecting cooling tower water-collecting device is provided with a water-collecting device; the water collecting device comprises a main body frame and a water collecting tank arranged below the main body frame; the edge of the water collecting groove at the side of the main body frame is bent upwards and extends to form a water collecting support plate; the main body frame and the water collecting support plate are provided with splash-proof components; the lower end of the splash-proof assembly is abutted against the baffle plate assembly, and the baffle plate assembly is erected in the water receiving tank; the splash-proof assembly comprises a guide plate, an energy dissipation plate and a splash-proof plate which are sequentially arranged from bottom to top.
Further, the guide plate comprises a plurality of guide protrusion strips and a connecting piece for connecting two adjacent guide protrusions.
Furthermore, the guide protruding strips and the connecting piece are integrally formed.
Further, the width a of the bottom of the guide protruding strip is less than the width b of the connecting piece.
Furthermore, the energy dissipation plate is produced and processed by weaving a plurality of strands of wires or other processes, has excellent water permeability and has a certain elastic buffering function.
Furthermore, the plurality of strands of wire rods are steel wires or rubber wires, the elastic energy dissipation plate is formed by weaving the steel wires or the rubber wires or other materials, and water passing gaps formed in the elastic energy dissipation plate can absorb part of water energy, so that the water splashing amount is reduced to a certain extent.
Further, the splash guard is a multi-through hole plate layer formed by injection molding; the splash guard covers the energy dissipation plate completely.
Further, the acute angle included angle between the water collecting support plate and the lower end of the main body frame is 44 degrees.
After the technical scheme is adopted, the utility model has the following positive effects: the splash-proof assembly, namely the guide plate structure and the full-coverage splash-proof plate, is adopted, and the energy dissipation plate is additionally arranged between the splash-proof plate and the guide plate, so that the defect of increased splash amount caused by high spray density can be basically eliminated, and meanwhile, the water capacity of the guide plate is increased, so that the water collection performance under the high spray density is ensured, and the splash amount is further reduced.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a fragmentary view of the splash guard assembly of the present invention;
FIG. 4 is a schematic view of the structure of the baffle of the present invention;
figure 5 is a schematic view of an energy dissipater structure of the present invention;
fig. 6 is a schematic diagram of the splash plate structure of the present invention.
The reference numbers in the drawings are as follows: the water collecting device 10, the main body frame 11, the water collecting support plate 12, the water collecting groove 13, the baffle plate assembly 14, the splash guard assembly 20, the guide plate 21, the guide protrusion 211, the connecting piece 212, the energy dissipation plate 22, the wire 221, the water passing gap 222 and the splash guard 23.
Detailed Description
Referring to fig. 1 to 3, the water collecting device of the mechanical ventilation high-level water collecting cooling tower of the utility model comprises a water collecting device 10; the water collecting device 10 comprises a main body frame 11 and a water collecting tank 13 arranged below the main body frame 11; the edge of the water collecting groove 13 at the side of the main body frame 11 is bent upwards to form a water collecting support plate 12; the splash guard assembly 20 is arranged on the main body frame 11 and the water collecting support plate 12; the lower end of the splash guard assembly 20 abuts against the baffle assembly 14, the baffle assembly 14 is erected in the water receiving tank 13, the baffle assembly 14 further supports the splash guard assembly 20, and the specific erection structure of the baffle assembly 14 refers to the prior art and is not described herein; the splash guard assembly 20 comprises a deflector 21, a dissipator 22 and a splash guard 23 arranged in this order from bottom to top.
The water collecting tank 13 is U-shaped, and is made of glass fiber reinforced plastic or metal material, one end of the water collecting tank 13 is sealed, the other end is open, so that water in the tank can flow into the water collecting tank conveniently, the water collecting tank is not shown in the figure, and a sealing structure at one end of the water collecting tank 13 is not shown in the figure, and the water collecting tank and a sealing mechanism at one end of the water collecting tank 13 can refer to the prior art specifically, and are not described herein; the splash guard assembly 20 is arranged on the water collecting tank supporting plate 12; the splash-proof assembly 20 comprises a guide plate 21, an energy dissipation plate 22 and a splash-proof plate 23 which are sequentially arranged from bottom to top, the upper end of the guide plate 21 can be connected with the main body frame 11 through screw locking, and the lower end of the guide plate 21 can also be connected with the water collecting tank support plate 12 through screw locking; the splash guard 23 and the guide plate 21 are pressed and fixed, and the pressing and fixing manner can be, but is not limited to, the following fixing manner, for example, the splash guard can be transversely pulled and tightened and fixed by an iron wire, and can also be locked and fixed by a plurality of screws; the energy dissipation plate 22 is sandwiched between the flow guide plate 21 and the splash shield 23.
Referring to fig. 4, in the present embodiment, more specifically, the baffle 21 includes a plurality of guide protrusion strips 211 and a connecting member 212 connecting two adjacent guide protrusions 211; the guide protrusion strips 211 and the connecting piece 212 are integrally formed; the width a of the bottom of the guide protrusion 211 < the width b of the connection member 212.
Referring to fig. 5, in this embodiment, the energy dissipation plate 22 is a plate layer formed by weaving a plurality of wires 221 with a plurality of water passing slits 222.
Referring to fig. 5, in this embodiment, more specifically, the plurality of strands are steel wires or rubber wires, and the energy dissipation plate 22 with a certain elastic buffer function is formed by weaving the steel wires or the rubber wires, and the water passing slits 222 formed in the energy dissipation plate can absorb part of water energy, so as to reduce the amount of splashed water to some extent.
Referring to FIG. 6, in this embodiment, more specifically, splash plate 23 is an injection molded (or extrusion molded over a bonded two layer) multi-ported sheet layer; the splash plate 23 covers the energy dissipation plate 22 completely.
Referring to fig. 2, in the embodiment, more specifically, the included angle between the water collecting support plate 12 and the lower end of the main frame 11 is 44 °.
Test conditions of the cycle test: the circulating water flow is 4.65m3/h、9.29m3H and 12m3H; the following is the corresponding experimental data of the splashing amount under 3 circulating water flows of the multi-combination plate:
first, the existing baffle 21 and 2/3 of the splash guard 23 cover the existing baffle 21: 230ml (4.65 m)3/h)、800ml(9.29m3/h)、1500ml(12m3/h)；
2/3 covering the existing guide plate 21 and the splash board 23, and 2/3 covering the energy dissipation board 22 on the existing guide plate 21: 200ml (4.65 m)3/h)、370ml(9.29m3/h)、750ml(12m3/h)；
Fourthly, the existing guide plate 21, the splash guard 23 and the energy dissipation plate 22 are fully covered on the existing guide plate 21: 80ml (4.65 m)3/h)、100ml(9.29m3/h)、160ml(12m3/h)；
The novel guide plate 21 and the splash guard 23 are fully covered on the novel guide plate 21: 70ml (4.65 m)3/h)、130ml(9.29m3/h)、210ml(12m3/h)；
Sixthly, the novel guide plate 21, the splash board 23 and the energy dissipation board 22 are covered on the novel guide plate 21: 52ml (4.65 m)3/h)、85ml(9.29m3/h)、140ml(12m3/h)。
And (4) analyzing results: (1) along with the increase of the circulating water amount, the splashing amount is obviously increased. When the guide plate 21 is covered by 2/3 of the existing guide plate 21 and splash guard 23, the circulating water amount is from 4.65m3H is changed to 12m3At the time of/h, the splashing amount is increased by 552%;
(2) under the condition of high water spraying density, compared with the splash guard 23 with 2/3 areas, the fully-paved splash guard 23 can reduce the water splashing amount by 76-80%;
(3) under high water spraying density, compared with the energy-dissipating plate 22, the addition of the energy-dissipating plate 22 can reduce water splashing by 26 to 54 percent;
(4) the optimal splash-proof structure is as follows: a novel guide plate 21, a full-paved splash guard 23 and an energy dissipation plate 22; compared with the natural tower water collecting inclined plate only paved with 2/3 splash-proof plates 23, the splash water amount is reduced by more than 77 percent, and under the condition of high spray water density (the circulating water amount is 12 m)3The water splashing amount can be reduced by 91 percent.
Therefore, according to experiments, under high water spraying density, if the original water collecting device is adopted, the phenomenon of serious water splashing can be caused. If the splash guard assembly 20 of the present invention, i.e. the structure of the deflector 21, is adopted, the deflector 23 is fully covered, and a layer of energy dissipation plate 22 is added between the deflector 23 and the deflector 21, then the splash caused by high spray density can be basically eliminated, and meanwhile, the water capacity of the deflector 21 of the present invention is increased, and the water collection performance under high spray density is ensured.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A mechanical ventilation high-level water-collecting cooling tower water-collecting device comprises a water-collecting device (10); the water collecting device (10) comprises a main body frame (11) and a water collecting tank (13) arranged below the main body frame (11); the edge of the water collecting tank (13) at the side of the main body frame (11) is bent upwards to form a water collecting support plate (12); the method is characterized in that: the splash-proof assembly (20) is arranged on the main body frame (11) and the water collecting support plate (12); the lower end of the splash guard assembly (20) is abutted against the baffle assembly (14); the baffle plate assembly (14) is erected in the water collecting tank (13); the splash-proof assembly (20) comprises a guide plate (21), an energy dissipation plate (22) and a splash-proof plate (23) which are sequentially arranged from bottom to top.
2. The mechanical ventilation high-level water collecting cooling tower water collecting device according to claim 1, characterized in that: the guide plate (21) comprises a plurality of guide protruding strips (211) and a connecting piece (212) for connecting two adjacent guide protruding strips (211).
3. The mechanical draft high-level water collecting cooling tower water collecting device according to claim 2, characterized in that: the guide protruding strips (211) and the connecting piece (212) are integrally formed.
4. The mechanical draft high-level water collecting cooling tower water collecting device according to claim 2, characterized in that: the width a of the bottom of the guide protruding strip (211) is less than the width b of the connecting piece (212).
5. The mechanical ventilation high-level water collecting cooling tower water collecting device according to claim 1, characterized in that: the energy dissipation plate (22) is a plate layer which is formed by weaving a plurality of strands of wires (221) into a plurality of water passing gaps (222).
6. The mechanical draft high-level water collecting cooling tower water collecting device according to claim 5, characterized in that: the strands of wire (221) are steel wires or rubber wires.
7. The mechanical ventilation high-level water collecting cooling tower water collecting device according to claim 1, characterized in that: the splash guard (23) is a multi-through hole plate layer formed by injection molding; the splash guard (23) is fully covered on the energy dissipation plate (22).
8. The mechanical draft high-level water collecting and cooling tower water collecting device according to any one of claims 1 to 7, characterized in that: the water collecting support plate (12) and the lower end of the main body frame (11) form an acute included angle of 44 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157435.5U CN216144239U (en) | 2021-09-08 | 2021-09-08 | Mechanical ventilation high-level water collecting cooling tower water collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157435.5U CN216144239U (en) | 2021-09-08 | 2021-09-08 | Mechanical ventilation high-level water collecting cooling tower water collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216144239U true CN216144239U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122157435.5U Active CN216144239U (en) | 2021-09-08 | 2021-09-08 | Mechanical ventilation high-level water collecting cooling tower water collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216144239U (en) |
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2021
- 2021-09-08 CN CN202122157435.5U patent/CN216144239U/en active Active
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