CN220853217U - Antifreezing closed cooling tower - Google Patents
Antifreezing closed cooling tower Download PDFInfo
- Publication number
- CN220853217U CN220853217U CN202322623655.1U CN202322623655U CN220853217U CN 220853217 U CN220853217 U CN 220853217U CN 202322623655 U CN202322623655 U CN 202322623655U CN 220853217 U CN220853217 U CN 220853217U
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- CN
- China
- Prior art keywords
- heat exchange
- shell
- exchange tube
- water
- tube disc
- Prior art date
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 238000005485 electric heating Methods 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 35
- 230000002528 anti-freeze Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 208000001034 Frostbite Diseases 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000736911 Turritella communis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to an antifreezing closed cooling tower, which comprises a shell and a heat exchange mechanism arranged in the shell, wherein the heat exchange mechanism comprises a heat exchange tube disc, a spraying system, an air cooling system and a filler, the heat exchange tube disc is provided with a water inlet and a water outlet, the water inlet and the water outlet are both arranged on the shell and are communicated with the outside of the shell, the spraying system is arranged above the heat exchange tube disc, the filler is arranged below the heat exchange tube disc, the air cooling system comprises a fan arranged at the top of the shell and an air inlet grid arranged at the lower part of the shell, the air inlet grid is arranged below the filler, an antifreezing device is arranged in the shell and comprises a mounting plate, a horizontal driving mechanism and electric heating wires, a plurality of through holes are arranged on the mounting plate, the positions and the number of the through holes correspond to the number and the positions of the horizontal sections of the heat exchange tube disc, the electric heating wires are arranged in the through holes, and the mounting plate is sleeved on the heat exchange tube disc through the plurality of through holes. The antifreezing closed cooling tower has an antifreezing function, and ensures that the heat exchange tube disc is not easy to be frozen out in a low-temperature environment.
Description
Technical Field
The utility model relates to the technical field of cooling equipment, in particular to an antifreezing closed cooling tower.
Background
The existing closed cooling tower generally comprises a shell, a metal heat exchange coil spray device, a fan, a spray water pump, a dehydrator, a water tray and the like, wherein the metal heat exchange coil spray device, the fan, the spray water pump, the dehydrator, the water tray and the like are arranged in the shell, and the working principle of the closed cooling tower is as follows: the heat medium fluid enters the heat exchange coil through the inlet header of the heat exchange coil, water in the water tray is conveyed to the spraying device through the spraying water pump, the spraying device sprays cooling water to the heat exchange coil, meanwhile, air outside the closed cooling tower shell enters the tower under the action of the fan, the heat exchange coil is cooled together with the spraying water, the heat of the heat medium fluid of the heat exchange coil is taken away together through evaporation of the water and temperature rise of the air, namely, the evaporated water vapor and the hot air are discharged into the atmosphere, so that the temperature of the heat medium fluid is reduced, and the heat medium fluid leaves the closed cooling tower through the outlet header of the heat exchange coil after the temperature is reduced. The existing closed cooling tower has the following defects: the antifreezing effect of the existing cooling tower is not comprehensive enough, the cooling tower usually works at a relatively low air temperature, and the heat exchange tube inside the cooling tower is easy to freeze.
Disclosure of utility model
In order to overcome the technical defects in the prior art, the utility model provides an antifreezing closed cooling tower which has an antifreezing function and ensures that a heat exchange tube disc is not easy to freeze out in a low-temperature environment.
The technical scheme adopted by the utility model is as follows: the utility model provides an antifreezing closed cooling tower, includes the casing and establishes the heat transfer mechanism in the casing, heat transfer mechanism includes heat exchange tube dish, spraying system, air cooling system, packing, the heat exchange tube dish has water inlet and delivery port, water inlet and delivery port all establish on the casing and with the outside intercommunication of casing, spraying system establishes the top of heat exchange tube dish, the packing is established in heat exchange tube dish below, the air cooling system is including establishing the fan at casing top and establishing the air inlet grid in the casing lower part, the air inlet grid is established in the packing below, be equipped with freeze-proof device in the casing, freeze-proof device includes mounting panel, horizontal drive mechanism and electric heater strip, be equipped with a plurality of through-holes on the mounting panel, a plurality of through-holes's position and quantity correspond with the horizontally segmented quantity and the position of heat exchange tube dish, electric heater strip is established in the through-hole, the mounting panel is through a plurality of through-hole cover is established on the heat exchange tube dish.
Preferably, the spraying system comprises a spraying water inlet pipe, a water collector and a spray header, wherein the water collector is arranged in the shell and above the heat exchange tube disc, the spray header is arranged at the bottom of the water collector, and the spraying water inlet pipe is arranged on the outer wall of the shell and the upper end of the spraying water inlet pipe is communicated with the water collector.
Preferably, a water collecting tank is arranged in the shell space below the filler, the water collecting tank is arranged below the air inlet grid, one end of the water collecting tank is provided with an overflow port communicated with the outside of the shell, the lower end of the spray water inlet pipe is communicated with the water tank, and a spray pump is arranged on the spray water inlet pipe.
Preferably, the front and rear inner and outer walls of the shell are opposite to each other and are provided with a pair of horizontal driving mechanisms, and two ends of the mounting plate are respectively connected with the two horizontal driving mechanisms in a transmission way.
Preferably, the horizontal driving mechanism comprises a horizontal screw pair and a driving motor for driving the screw pair to operate, and the mounting plate is mounted on a nut of the screw pair.
Preferably, the electric heating wire is an annular heating wire arranged in the through hole.
The utility model has the beneficial effects that: the antifreezing device of the antifreezing closed cooling tower comprises a mounting plate, a horizontal driving mechanism and electric heating wires, wherein a plurality of through holes are formed in the mounting plate, the positions and the numbers of the through holes correspond to the number and the positions of the horizontal sections of the heat exchange tube plate, the electric heating wires are arranged in the through holes, and the mounting plate is sleeved on the heat exchange tube plate through the through holes. During operation, the horizontal driving mechanism drives the mounting plate to horizontally reciprocate to heat the heat exchange tube disc, and the electric heating wires in the through holes heat the heat exchange tube disc, so that the anti-freezing device started in a low-temperature environment can avoid the heat exchange tube disc from being too low in temperature, and further prevent the heat exchange tube disc from being damaged.
Drawings
Fig. 1 is a schematic structural view of the antifreeze closed cooling tower of the present utility model.
Fig. 2 is a schematic view of the internal structure of the antifreeze closed cooling tower of the present utility model.
FIG. 3 is a schematic view of the mounting plate of the present utility model.
Fig. 4 is a schematic view of the installation of the electric heating wire of the present utility model.
Reference numerals illustrate: 1. a housing; 101. an air inlet grid; 2. a water collector; 201. a spray header; 3. a heat exchange tube tray; 301. a water inlet; 302. a water outlet; 4. a filler; 5. a water collection tank; 501. an overflow port; 6. spraying a water inlet pipe; 601. a spray pump; 7. a blower; 801. a mounting plate; 8011. a through hole; 8013. an electric heating wire; 802. and a screw pair.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
As shown in fig. 1 to 4, the embodiment provides an antifreezing closed cooling tower, which comprises a shell 1 and a heat exchange mechanism arranged in the shell 1, wherein the heat exchange mechanism comprises a heat exchange tube disc 3, a spraying system, an air cooling system and a filler 4, the heat exchange tube disc 3 is provided with a water inlet 301 and a water outlet 302, the water inlet 301 and the water outlet 302 are both arranged on the shell 1 and are communicated with the outside of the shell 1, the spraying system is arranged above the heat exchange tube disc 3, the filler 4 is arranged below the heat exchange tube disc 3, the air cooling system comprises a fan 7 arranged at the top of the shell 1 and an air inlet grid 101 arranged at the lower part of the shell 1, the air inlet grid 101 is arranged below the filler 4, an antifreezing device is arranged in the shell 1, the antifreezing device comprises a mounting plate 801, a horizontal driving mechanism and electric heating wires 8013, a plurality of through holes 8011 are arranged on the mounting plate 801, the positions and the numbers of the through holes 8011 correspond to the numbers and positions of the horizontal sections of the heat exchange tube disc 3, the electric heating wires 8013 are arranged in the through holes 8011, and the through the plurality of through holes 8011 are arranged on the mounting plate 8011. The antifreezing closed cooling tower provided with the descaling device can heat the heat exchange tube disc 3 in real time, and when the environmental temperature is too low, the antifreezing device can be started to heat the heat exchange tube disc 3, so that the heat exchange tube disc 3 is prevented from being frozen.
The filler 4 in this embodiment may adopt a structure common in the prior art: the filler 4 of this embodiment is preferably a hexagonal honeycomb filler, and the filler 4 of this embodiment is used to prolong the residence time of cooling water and increase the heat exchange efficiency, the cooling water sprayed by the spraying system reaches the filler 4 after passing through the heat exchange tube plate 3 and slowly passes through the filler 4, after the fan 7 is started, external dry and cold air enters the cooling tower through the air inlet grid 101, the dry and cold air circulates from bottom to top, and when passing through the filler 4, the dry and cold air realizes primary heat exchange with the cooling water thereon, and after passing through the heat exchange tube plate 3, the heat exchange efficiency is improved, and the cooling effect is enhanced.
In this embodiment, the spraying system includes a spraying water inlet pipe 6, a water receiver 2 and a spray header 201, the water receiver 2 is disposed in the housing 1 and above the heat exchange tube disc 3, the spray header 201 is mounted at the bottom of the water receiver 2, the spraying water inlet pipe 6 is disposed on the outer wall of the housing 1 and the upper end of the spraying water inlet pipe 6 is communicated with the water receiver 2, the spraying water inlet pipe 6 guides cooling water to the water receiver 2, and the spray header 201 sprays water in the water receiver 2. Preferably, a water collecting tank 5 is arranged in the space of the shell 1 below the heat exchange tube plate 3, the water collecting tank 5 is arranged below the air inlet grid 101, one end of the water collecting tank 5 is provided with an overflow port 501 communicated with the outside of the shell 1, the lower end of the water inlet pipe of the spray water inlet pipe 6 is communicated with a water tank, a spray pump 601 is arranged on the spray water inlet pipe 6, and the spray pump 601 lifts spray water cooled by the filler 4 to the water collecting tank 5 for recirculation.
In this embodiment, a pair of horizontal driving mechanisms are disposed on the front and rear inner and outer walls of the housing 1, two ends of the mounting plate 801 are respectively connected with two horizontal driving mechanisms in a transmission manner, preferably, the electric heating wire 8013 is an annular heating wire disposed in the through hole 8011, the horizontal driving mechanisms drive the mounting plate 801 to reciprocate in the horizontal direction, and the electric heating wire 8013 can heat the heat exchange tube tray 3. Preferably, the horizontal driving mechanism comprises a horizontal screw pair 802 and a driving motor for driving the screw pair 802 to operate, and the mounting plate 801 is mounted on a nut of the screw pair 802.
When the antifreeze closed cooling tower of the embodiment works, a heat flow medium to be cooled is introduced from the water inlet 301 of the heat exchange tube disc 3, flows out from the water outlet 302 of the heat exchange tube disc 3, the spray pump 601 lifts water in the water collecting tank 5 to the water collector 2, the spray header 201 sprays water downwards on the heat exchange tube disc 3, the water takes away heat on the heat exchange tube disc 3, the water continuously arrives at the filler 4 downwards and passes through the filler 4, the filler 4 of the embodiment is made of PVC material, the PVC material reduces the temperature of the water, the cooled water arrives at the water collecting tank 5 to enter the next round of spray circulation, meanwhile, the air cooling system works, the fan 7 is started, external air enters the shell 1 from the air inlet grid 101 and is discharged from the top end of the shell 1, the air entering the shell 1 and the spray water cool the heat exchange tube disc 3 together, through evaporation of the water and heat absorption and temperature rising of the air, the heat of the heat flow medium is taken away, the antifreeze device drives the mounting plate 801 to reciprocate horizontally when working, namely the hot wire in the through hole 8011 heats the heat exchange tube disc 3, the air meets the low temperature environment, the heat exchange tube system can be turned off by the heat exchange tube system 601 under the low temperature condition, and the heat exchange tube system can be prevented from being turned off by users.
While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a closed cooling tower prevents frostbite which characterized in that: the heat exchange mechanism comprises a shell and a heat exchange mechanism arranged in the shell, wherein the heat exchange mechanism comprises a heat exchange tube disc, a spraying system, an air cooling system and a filler, the heat exchange tube disc is provided with a water inlet and a water outlet, the water inlet and the water outlet are all arranged on the shell and are communicated with the outside of the shell, the spraying system is arranged above the heat exchange tube disc, the filler is arranged below the heat exchange tube disc, the air cooling system comprises a fan arranged at the top of the shell and an air inlet grid arranged at the lower part of the shell, the air inlet grid is arranged below the filler, an antifreezing device is arranged in the shell and comprises a mounting plate, a horizontal driving mechanism and electric heating wires, a plurality of through holes are formed in the mounting plate, the positions and the numbers of the through holes correspond to the number and the positions of the horizontal sections of the heat exchange tube disc, the electric heating wires are arranged in the through holes, and the mounting plate is sleeved on the heat exchange tube disc through a plurality of through holes.
2. The antifreeze closed cooling tower of claim 1, wherein: the spray system comprises a spray water inlet pipe, a water collector and a spray header, wherein the water collector is arranged in the shell and above the heat exchange tube disc, the spray header is arranged at the bottom of the water collector, and the spray water inlet pipe is arranged on the outer wall of the shell and the upper end of the spray water inlet pipe is communicated with the water collector.
3. The antifreeze closed cooling tower of claim 2, wherein: the water collecting tank is arranged in the shell space below the filler, the water collecting tank is arranged below the air inlet grid, one end of the water collecting tank is provided with an overflow port communicated with the outside of the shell, the lower end of the water inlet pipe of the spray water inlet pipe is communicated with the water tank, and the spray pump is arranged on the spray water inlet pipe.
4. The antifreeze closed cooling tower of claim 1, wherein: the front and rear inner and outer walls of the shell are opposite to each other and are provided with a pair of horizontal driving mechanisms, and two ends of the mounting plate are respectively connected with the two horizontal driving mechanisms in a transmission way.
5. The antifreeze closed cooling tower of claim 4, wherein: the horizontal driving mechanism comprises a horizontal screw pair and a driving motor for driving the screw pair to operate, and the mounting plate is mounted on a nut of the screw pair.
6. The antifreeze closed cooling tower of claim 1, wherein: the electric heating wire is an annular heating wire arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322623655.1U CN220853217U (en) | 2023-09-27 | 2023-09-27 | Antifreezing closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322623655.1U CN220853217U (en) | 2023-09-27 | 2023-09-27 | Antifreezing closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853217U true CN220853217U (en) | 2024-04-26 |
Family
ID=90783221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322623655.1U Active CN220853217U (en) | 2023-09-27 | 2023-09-27 | Antifreezing closed cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853217U (en) |
-
2023
- 2023-09-27 CN CN202322623655.1U patent/CN220853217U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |