CN213578834U - Zero fog type cooling tower of premix reheat formula - Google Patents
Zero fog type cooling tower of premix reheat formula Download PDFInfo
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- CN213578834U CN213578834U CN202020612148.1U CN202020612148U CN213578834U CN 213578834 U CN213578834 U CN 213578834U CN 202020612148 U CN202020612148 U CN 202020612148U CN 213578834 U CN213578834 U CN 213578834U
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Abstract
The utility model relates to a zero fog type cooling tower of reheat formula in advance belongs to the hot water circulation cooling field, it is mainly by the cold water pond, a frame, receive the strip type supporting beam in water layer, built-in type finned tube heat transfer module, go up the air intake, lower air intake, adjustable nodal pattern air door, do the humid air and mix the room in advance, the packing layer, the shower nozzle, the speed governing draught fan is constituteed, finned tube heat transfer module is dry-type cooling, the packing cooling zone is wet-type cooling, this cooling device simple manufacture, the cost is lower, heat transfer performance is strong, it is big to adjust the surplus, long service life, the high usage, can use all the year round, water conservation economize on electricity is showing, reach zero fog and frost-proof effect simultaneously under the condition that does.
Description
Technical Field
The utility model relates to a technology of a circulating water cooling system in the aspects of fog dissipation, water saving and energy saving.
Background
In the existing circulating water cooling system, hot water is conveyed into a spray pipe of a cooling tower by a circulating pump, then the hot water is sprayed downwards onto a filler by a spray head and then is subjected to mass transfer and heat transfer with air, the hot water flows into a cold water tank for recycling of the system after being cooled and cooled, the air is led out by a draught fan after being heated and humidified and is discharged into the atmosphere by a water collector, and in a season with low ambient temperature, a large amount of water mist can be formed in the air after the humidified air is mixed with ambient air, so that environmental pollution is caused, a large amount of water source loss is caused, and the operation cost is increased.
The existing cooling tower fog dissipation method is that a static mixer is arranged in an air chamber at the upper part of the cooling tower, an air inlet channel opening and an air heater are additionally arranged on the tower wall of the air chamber, introduced ambient air enters the air chamber from the side after being heated by the air heater, and then is mixed with saturated damp and hot air of a water receiver by using the static mixer arranged in the air chamber, so that the unsaturated damp and hot air is formed and then is discharged into the atmosphere, thereby achieving the purpose of reducing fog, because the air heater is vertically arranged at the outer side of the additionally arranged air inlet channel opening, the pressure head of return water entering the tower needs to be further improved, the power consumption is obviously increased, meanwhile, fins outside the pipe are easy to be dusty, the whole heat transfer efficiency is low, the use effect is not ideal, fog dissipation is not thorough, zero fog operation is difficult to realize, and the wind resistance formed by the newly arranged dry and wet gas static mixers is large, the power consumption of the fan is greatly increased, the air quantity entering the tower is reduced, the cooling efficiency of the cooling tower is reduced, and the temperature of the outlet water of the cooling tower is easy to rise, so that the fog dispersal device has high energy consumption and low efficiency; in addition, the device is completely stopped in seasons without fog dissipation, the device is low in equipment utilization rate and water saving rate, and meanwhile, the heat exchange tube bundle is easy to corrode, easy to freeze and damage, easy to leak and short in service life.
Object of the Invention
The utility model aims at overcoming the defects, and providing an energy-saving environment-friendly zero-fog cooling tower which has the advantages of simple manufacture, convenient installation, lower manufacturing cost, strong heat transfer performance, obvious water and electricity saving, annual use and thorough fog dissipation.
The invention content is as follows:
the utility model aims at realizing like this, it is mainly by the cold water pond, a frame, receive the strip type supporting beam in water layer, built-in type finned tube heat exchange module, go up the air inlet, lower air intake, adjustable type air door, dry and humid air mixes the room in advance, the packing layer, the shower nozzle, the speed governing draught fan is constituteed, the finned tube in its finned tube heat exchange module is triangle-shaped cross arrangement, finned tube heat exchange module installs in the strip type supporting beam top of receiving the water layer, the air intake of seting up on the column wall between its strip type supporting beam that receives the water layer adjacent is last air inlet, be furnished with adjustable type's air door, finned tube heat exchange module's inlet tube meets with income tower return water house steward, the.
The utility model discloses a cooling tower, its shower hoist and mount are in the below of receiving the strip type supporting beam of water layer, and finned tube heat exchange module installs in the top of receiving the strip type supporting beam of water layer, and the space of shower top and finned tube heat exchange module below is for doing wet air and mixing the room in advance.
The utility model discloses a cooling tower, its hot water that gets into the cooling tower at first flow in finned tube heat transfer module, with come from dry and wet air and carry out the shower again after dry-type cooling heat transfer earlier with the air that mixes the room in advance, carry out wet-type cooling by the shower nozzle sprinkling to the packing again.
The utility model discloses a cooling tower, it goes upward the entering packing layer of air intake under, it becomes saturated damp and hot air to carry out heat and mass exchange with the shower water, continue to go upward and get into in the wet air mixes the room futilely, the air of air intake directly enters the tower with the form of environment dry air on it, the lateral flow advances the wet air mixes the room futilely, do, two tunnel air of humidity mix in the wet air mixes the indoor and mixes futilely, the air after mixing in advance continues to go upward and flows through finned tube heat transfer module and carry out heat transfer once more, intraductal hot water is by the precooling, reduce the evaporation of water, realize the water conservation, outside of tubes air is further mixed and is heated, the temperature.
The utility model discloses a cooling tower, its dry and wet two tunnel air mass flow's size is adjusted according to the change in season by the air damper of upper and lower air intake respectively, in low temperature season, cooling tower is with water conservation fog dispersal operation owner, increase the dry air mass flow of last air intake, reduce the air mass flow of air intake down, in high temperature season, cooling tower is with water conservation cooling operation owner, reduce the dry air mass flow of last air intake, increase the air mass flow of air intake down, above-mentioned in-process finned tube heat exchange module uses all the year, satisfy the required water conservation of cooling tower, fog dispersal, the cooling overall process.
The utility model discloses a cooling tower, the finned tube among its finned tube heat exchange module is triangle-shaped cross arrangement, has the function of dewatering, mixing and heating fog dispersal to the damp and hot air that flows through, consequently need not in the air chamber of cooling tower and then does the wet gas mixer futilely, is favorable to reducing the air resistance, improves the cooling efficiency of device, reduces power consumption.
The utility model discloses a cooling tower, its finned tube heat exchange module are built-in type installation, have and prevent frostproofing, prevent the deposition effect, and install on a bar supporting beam on water receiver layer, and mounting height is low, and it is low to go into the required pressure head of tower return water, and power consumption is low, and is energy-conserving showing.
Advantages of the invention
The utility model discloses a cooling tower has following advantage, adopts the finned tube heat exchange module that heat transfer performance is strong, simple manufacture, simple to operate, the cost is lower to do built-in precooling mixed heat exchanger, realizes the purpose of zero fog operation in winter, the operation of cooling down in summer under the condition that does not increase the energy consumption, and the water conservation is showing very simultaneously, and moves all the year round, and equipment rate of utilization is high, long service life.
Drawings
The description of FIG. 1 is as follows: FIG. 1 is a main sectional view of a countercurrent cooling tower device, wherein 1 is a cooling tower water outlet pipe, 2 is a make-up water inlet pipe, 3 is a cold water tank, 4 is a lower air inlet damper, 5 is a frame, 6 is a wet cooling section packing layer, 7 is a spray water pipe, 8 is an upper air inlet damper, 9 is a finned tube heat exchange module water inlet pipe, 10 is a water receiving layer strip beam, 11 is a finned tube heat exchange module, 12 is an air chamber, 13 is an induced draft fan, 14 is an induced draft fan motor, 15 is a finned tube heat exchange module water outlet pipe, and 16 is a dry and wet air premixing chamber.
The specific implementation mode is as follows:
the utility model will be described in detail with reference to the attached figure 1, with the hot water cooling system of a certain ammonia plant as an embodiment:
the cooling water consumption of the hot water cooling system of the working section is 1000NM3The temperature of hot water entering the tower is 42 ℃, the temperature of cold water leaving the tower is 32 ℃, and a cold water pumpThe outlet pressure is 0.40Mpa, the highest temperature in the area for 5 continuous days is 34 ℃ on average, the corresponding wet bulb temperature is 25.5 ℃, the lowest temperature in the area for 5 continuous days is-5 ℃ on average, under the condition of not increasing energy consumption, the zero fog state is ensured in winter, and the cooling effect in high-temperature seasons is ensured, the cooling tower is selected as hot water circulation cooling equipment in the working section, and the specific data are shown in the following table.
Characteristic of the technology
| Name (R) | Parameter(s) |
| Diameter mm of finned tube bundle base tube | Ф38×2 |
| Length (light pipe) mm of finned tube | 6000 |
| Total number of finned tubes (dry cooling section) | 300 |
| The cooling tower frame has the length, width and height m | 6.5×6.5×10 |
| Draught fan L47 fan blade diameter mm (electric motor 45KW) | 4700 |
In addition, the water spray header pipe, the finned pipe and the frame of the cooling device are all subjected to anti-corrosion treatment, so that long-period operation of the cooling device is ensured, the cooling device is energy-saving and environment-friendly after being put into operation, and the effect is very obvious.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. The utility model provides a zero fog type cooling tower of premix reheat formula which characterized in that: the finned tube heat exchange module is arranged above the strip-shaped supporting beam of the water collecting layer, the air inlet arranged on the tower wall between the adjacent strip-shaped supporting beams of the water collecting layer is the upper air inlet and is provided with the adjustable air door, the water inlet pipe of the finned tube heat exchange module is connected with a tower inlet water return header pipe, and the water outlet pipe is connected with the spray pipe.
2. The pre-mix re-heat zero-mist cooling tower of claim 1, wherein: the spray pipe is hoisted below the water-receiving layer strip-shaped supporting beam, the finned tube heat exchange module is installed above the water-receiving layer strip-shaped supporting beam, and a dry and wet air premixing chamber is arranged in the space above the spray pipe and below the finned tube heat exchange module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612148.1U CN213578834U (en) | 2020-04-11 | 2020-04-11 | Zero fog type cooling tower of premix reheat formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612148.1U CN213578834U (en) | 2020-04-11 | 2020-04-11 | Zero fog type cooling tower of premix reheat formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213578834U true CN213578834U (en) | 2021-06-29 |
Family
ID=76521113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020612148.1U Expired - Fee Related CN213578834U (en) | 2020-04-11 | 2020-04-11 | Zero fog type cooling tower of premix reheat formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213578834U (en) |
-
2020
- 2020-04-11 CN CN202020612148.1U patent/CN213578834U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |