CN220206428U - Ice melting device of mechanical ventilation cooling tower - Google Patents
Ice melting device of mechanical ventilation cooling tower Download PDFInfo
- Publication number
- CN220206428U CN220206428U CN202321002893.4U CN202321002893U CN220206428U CN 220206428 U CN220206428 U CN 220206428U CN 202321002893 U CN202321002893 U CN 202321002893U CN 220206428 U CN220206428 U CN 220206428U
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- water
- hot water
- cooling tower
- spray pipe
- pipe
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 238000005399 mechanical ventilation Methods 0.000 title claims abstract description 34
- 230000008018 melting Effects 0.000 title claims abstract description 11
- 238000002844 melting Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 167
- 239000007921 spray Substances 0.000 claims abstract description 87
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 238000012856 packing Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an ice melting device of a mechanical ventilation cooling tower, which consists of a circulating water return main pipe (1), a hot water spray regulating door (2), a circulating water return main door (3), a circulating water pipeline water discharge door (4), a hot water spray pipe water discharge door (5), a water distribution communicating pipe (6), a water guide plate (7), a first hot water spray pipe (8), a second hot water spray pipe (9), a packing layer (10), a mechanical ventilation cooling tower (11), a cooling fan (12) and a spray opening (13), wherein the water distribution communicating pipe (6) is arranged below the packing layer (10) in the mechanical ventilation cooling tower (11). The utility model ensures stable production operation. The damage degree of the packing layer is reduced, the maintenance cost is reduced, and the service life of the cooling tower is prolonged. The operation efficiency of the mechanical ventilation cooling tower is improved, the labor capacity of manual deicing in winter is reduced, the operation safety risk is reduced, and the aim of achieving multiple purposes is fulfilled.
Description
Technical Field
The utility model relates to an ice melting device of a mechanical ventilation cooling tower.
Background
The mechanical ventilation cooling tower is an ideal product for realizing the recycling of cooling water in equipment cooling and air conditioning refrigeration, and is an efficient device for saving energy and water and preventing environmental pollution. The water cooling tower has the working principle that water to be cooled is conveyed to the upper part of the cooling tower, then is uniformly sprayed on the filler through a water distribution system, hot water falls down from the upper part of the water-spraying filler, meanwhile carries out cold-heat exchange with unsaturated air, the air transfers heat outwards to become hot air, and hot air is pumped out of the tower by an electric fan, so that the effect of reducing water temperature is achieved.
In the north of China, in the severe cold season in winter, the phenomenon of icing can appear in the air inlet and the cooling tower in the operation of the cooling tower. The air inlet is frozen to cause the reduction of cooling effect, and the temperature of circulating water is too high; when the freezing condition in the cooling tower is serious, the side layer film filler and the hanging frame or hanging beam thereof can be crashed down when the side layer film filler is melted due to large freezing volume and heavy weight, so that the efficiency of the whole cooling tower is reduced and larger maintenance cost is input. According to the actual operation on site, the cause of the icing of the mechanical ventilation cooling tower is that very fine water flow or water drops are generated when circulating cooling water falls from the upper part of the filler, and the water drops are drifted on a cross beam, a column and an air inlet louver, and the trickle is exposed to cold air with low humidity due to the fact that the outdoor average dry bulb temperature is about-25 ℃, so that effective enthalpy loss is condensed into ice. The mechanical ventilation cooling tower freezes and has reduced the efficiency of cooling tower, has increased the amount of labour of artifical deicing, has increased the operation safety risk simultaneously.
Disclosure of Invention
The utility model aims to provide the mechanical ventilation cooling tower ice melting device, which effectively prevents the icing phenomenon of the air inlet and the inside of the cooling tower, improves the circulation efficiency of the mechanical ventilation cooling tower, solves the problem of manual on-site deicing in winter and reduces the running risk of a power plant.
The technical scheme of the utility model is as follows: the utility model provides a mechanical ventilation cooling tower ice-melt device, by circulating water return water house steward (1), hot water sprays regulating gate (2), circulating water return water total gate (3), circulating water pipeline drain valve (4), hot water spray pipe drain valve (5), water distribution communicating pipe (6), deflector (7), first hot water spray pipe (8), second hot water spray pipe (9), packing layer (10), mechanical ventilation cooling tower (11), cooling fan (12), spray port (13) are constituteed, water distribution communicating pipe (6) are installed to the below of packing layer (10) in mechanical ventilation cooling tower (11), water distribution communicating pipe (6) are in the same place first hot water spray pipe (8) and second hot water spray pipe (9) interconnect and are arranged respectively in the air intake of mechanical ventilation cooling tower (11) both sides, set up on the pipe wall of first hot water spray pipe (8) and second hot water spray pipe (9) and are provided with mouth (13), deflector (7) one end is connected on the inner wall of mechanical ventilation cooling tower (11) of packing layer (10) lower part, deflector (7) and the other end is connected to first hot water spray pipe (8) and second hot water spray pipe (9) down-level, down branching line is connected to the second hot water spray pipe (9) respectively, 30-level in the water spray pipe is connected to the branching line down, a hot water spray pipe adjusting door (2) is welded on a circulating water return main pipe (1) and connected with a water distribution communicating pipe (6), a hot water spray pipe water discharging door (5) is arranged behind the hot water spray pipe adjusting door (2), and a circulating water return main door (3) and a circulating water pipeline water discharging door (4) are arranged inside a well chamber.
The first hot water spray pipe (8) and the second hot water spray pipe (9) are provided with spray openings (13) which are cut strip-shaped openings.
The first hot water spray pipe (8) and the second hot water spray pipe (9) are provided with spray openings (13) which are water hammer spray heads.
The filler layer (10) is connected to the pool by piping.
The working principle of the utility model is as follows:
according to the utility model, a part of high-temperature backwater of the circulating cooling water header pipe (1) is shunted to the first hot water spray pipe (8) and the second hot water spray pipe (9), the shunted part of high-temperature backwater is not cooled by the packing layer (10), a large-range high Wen Shuimu is directly formed in the mechanical ventilation cooling tower (11), the temperature between the inside of the mechanical ventilation cooling tower (11) and the packing layer (10) is increased, and the problem of icing of the mechanical ventilation cooling tower is solved.
When the severe cold period of winter arrives, close circulating water pipeline drain door (4), open circulating water return total door (3), after inspection circulating water is normally backward flowed to the pond inside through the packing layer, close hot water spray pipe drain door (5), open hot water spray pipe regulating door (2), the water curtain that forms according to spray mouth (13) and the condition of melting ice adjust the size of hot water spray pipe regulating door (2) aperture, the shower water yield is general control can realize in the tower melting ice and not having the union about 30% of total circulating water yield. After the outdoor air temperature is warmed up, when the icing phenomenon of the mechanical ventilation cooling tower (11) disappears, the hot water spray pipe adjusting door (2) is closed, the hot water spray pipe water discharging door (5) is opened, and the cooling fan (12) is started to adjust the temperature of circulating water, so that the production operation is ensured to be stable.
The utility model has the technical effects that:
the utility model designs a hot water curtain with higher temperature by directly spraying circulating water with higher temperature without cooling by a packing layer, so that the enthalpy value of water is improved; the water guide plate is arranged to guide the circulating water which is cooled down after the welt flows down into the circulating water tank, so that the phenomenon of ice hanging caused by contact between low-temperature water and a cold tower wall or a supporting structure is prevented, the power consumption of factories is reduced, and the electric energy is saved; meanwhile, the abrasion degree of the cooling tower and the cooling fan is reduced, the maintenance cost is reduced, and the service life of the cooling tower is prolonged. The operation efficiency of the mechanical ventilation cooling tower is improved, the labor capacity of manual deicing in winter is reduced, the operation safety risk is reduced, and the aim of achieving multiple purposes is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the present utility model
FIG. 2 is a partial schematic view of the present utility model
Detailed Description
As shown in figure 1, the mechanical ventilation cooling tower ice melting device consists of a circulating water return header pipe 1, a hot water spray regulating door 2, a circulating water return header door 3, a circulating water pipeline water discharge door 4, a hot water spray pipe water discharge door 5, a water distribution communicating pipe 6, a water guide plate 7, a first hot water spray pipe 8, a second hot water spray pipe 9, a packing layer 10, a mechanical ventilation cooling tower 11, a cooling fan 12 and a spray port 13, wherein the water distribution communicating pipe 6 is arranged below the packing layer 10 in the mechanical ventilation cooling tower 11 to mutually connect a first hot water spray pipe 8 and a second hot water spray pipe 9 together and are respectively arranged inside air inlets on two sides of the mechanical ventilation cooling tower, as shown in figure 2, the spray ports 13 are arranged on the pipe walls of the first hot water spray pipe 8 and the second hot water spray pipe 9, one end of the water guide plate 7 is connected to the inner wall of the mechanical ventilation cooling tower 11 at the lower part of the packing layer 10, the other end of the water guide plate is respectively connected with the first hot water spray pipe 8 and the second hot water spray pipe 9, the water distribution communicating pipe is obliquely downward 30 degrees 45 degrees in the horizontal direction, the water return pipe is connected to the upper part of the circulating water spray pipe 1, the water spray pipe is connected with the water spray pipe 6, the circulating water spray pipe 6 is conveniently arranged in the water distribution regulating door 3, and the circulating water spray pipe is conveniently arranged inside the circulating water spray regulating door 3, and the circulating water spray regulating door is conveniently, and the circulating water return header door is arranged, and the circulating water spray regulating door is arranged inside the circulating water spray regulating door 3.
The first hot water spray pipe 8 and the second hot water spray pipe 9 are provided with spray openings 13 which can be cut strip-shaped openings.
The first hot water spray pipe 8 and the second hot water spray pipe 9 are provided with spray openings 13 which can be water hammer spray heads.
As shown in fig. 1, in order to tightly seal the overlapping gap between the icing-preventing water guide plate 7 and the mechanical ventilation cooling tower 11, the low-temperature water sprayed down by the packing layer 10 is directly guided to a water tank to prevent the low-temperature water from being frozen by contacting with the tower wall.
The circulating water temperature that sets up to install first hot water shower 8, the spraying of second hot water shower 9 is higher, along with the discharge increases, and the enthalpy increases, and mechanical ventilation cooling tower 11 supports and just packing layer 10 can not refreeze.
The water distribution communicating pipe 6, the water guide plate 7, the first hot water spray pipe 8 and the second hot water spray pipe 9 are all subjected to corrosion prevention treatment.
The hot water spray adjusting door 2 which can be adjusted according to the operation condition is arranged, so that the water quantity sprayed by the first hot water spray pipe 8 and the second hot water spray pipe 9 can be conveniently adjusted according to the icing condition and the circulating water temperature.
Claims (4)
1. The utility model provides a mechanical ventilation cooling tower ice-melt device which characterized in that: the circulating water return pipe is composed of a circulating water return main pipe (1), a hot water spray adjusting door (2), a circulating water return main door (3), a circulating water pipeline water outlet door (4), a hot water spray pipe water outlet door (5), a water distribution communicating pipe (6), a water guide plate (7), a first hot water spray pipe (8), a second hot water spray pipe (9), a packing layer (10), a mechanical ventilation cooling tower (11), a cooling fan (12) and a spray opening (13), wherein the water distribution communicating pipe (6) is arranged below the packing layer (10) in the mechanical ventilation cooling tower (11), the water distribution communicating pipe (6) connects the first hot water spray pipe (8) and the second hot water spray pipe (9) with each other and is respectively arranged in air inlets at two sides of the mechanical ventilation cooling tower (11), one end of the water guide plate (7) is connected to the inner wall of the mechanical ventilation cooling tower (11) at the lower part of the packing layer (10), the other end of the water guide plate (7) is respectively connected with the first hot water spray pipe (8) and the second hot water spray pipe (9) in a way of being connected with the water distribution adjusting door (45) in a way, the water distribution communicating pipe is connected with the circulating water return pipe (2) in a water distribution adjusting mode of being inclined at an angle of 30 degrees, a hot water spray pipe water outlet door (5) is arranged behind the hot water spray pipe adjusting door (2), and a circulating water return water main door (3) and a circulating water pipeline water outlet door (4) are arranged inside the well chamber.
2. The mechanical draft cooling tower ice melting apparatus of claim 1 wherein: the first hot water spray pipe (8) and the second hot water spray pipe (9) are provided with spray openings (13) which are cut strip-shaped openings.
3. The mechanical draft cooling tower ice melting apparatus of claim 1 wherein: the first hot water spray pipe (8) and the second hot water spray pipe (9) are provided with spray openings (13) which are water hammer spray heads.
4. The mechanical draft cooling tower ice melting apparatus of claim 1 wherein: the filler layer (10) is connected to the pool by piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002893.4U CN220206428U (en) | 2023-04-28 | 2023-04-28 | Ice melting device of mechanical ventilation cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002893.4U CN220206428U (en) | 2023-04-28 | 2023-04-28 | Ice melting device of mechanical ventilation cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206428U true CN220206428U (en) | 2023-12-19 |
Family
ID=89141846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321002893.4U Active CN220206428U (en) | 2023-04-28 | 2023-04-28 | Ice melting device of mechanical ventilation cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206428U (en) |
-
2023
- 2023-04-28 CN CN202321002893.4U patent/CN220206428U/en active Active
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