CN217275698U - Double-stage preheating dry-wet type zero-fog cooling tower - Google Patents
Double-stage preheating dry-wet type zero-fog cooling tower Download PDFInfo
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- CN217275698U CN217275698U CN202220327859.3U CN202220327859U CN217275698U CN 217275698 U CN217275698 U CN 217275698U CN 202220327859 U CN202220327859 U CN 202220327859U CN 217275698 U CN217275698 U CN 217275698U
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- air
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- heat exchange
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- 238000001816 cooling Methods 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 45
- 230000008901 benefit Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 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
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a doublestage preheats dry-wet-type zero fog cooling tower belongs to hot water circulation cooling field, it is mainly by the cold water pond, the cooling tower frame, receive the strip type supporting beam of water layer, finned tube heat transfer module frame, go up the air intake, lower air intake, adjustable type air door, dry wet air mixes the room in advance, the packing layer, the shower nozzle, receive the hydrophone, the dryer, the speed governing draught fan is constituteed, finned tube heat transfer module is dry-type cooling, arrange for the top layer, the filler cooling section is wet-type cooling, this cooling device simple manufacture, the cost is lower, heat transfer performance is strong, adjust the surplus greatly, long service life, the rate of utilization is high, can use throughout the year, water conservation is showing, the tower air of simultaneously income realizes the doublestage heating, fog dissipation and frostproofing effectual.
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 collector by using the static mixer arranged in the air chamber, so that the damp and hot air in an unsaturated state is formed and then is discharged into the atmosphere, and the aim of reducing fog is fulfilled. The cooling efficiency of the cooling tower is reduced, the temperature of the outlet water of the cooling tower is easy to rise, and the device is completely stopped in seasons with higher ambient temperature, so that the device is a fog dispersal device with high energy consumption and low efficiency, the utilization rate of equipment is low, and the water saving rate is low; meanwhile, the heat exchange tube bundle is easy to corrode, freeze and 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 mainly comprises cold water pond, cooling tower frame, receipts water layer strip type supporting beam, finned tube heat transfer module frame, last air intake, lower air intake, adjustable type air door, dry humid air premixing chamber, packing layer, shower nozzle, receipts hydrophone, dryer, speed governing draught fan.
The utility model discloses a cooling tower, its finned tube heat exchange module comprises exit tube case, finned tube, frame, arranges for the top layer, installs on the plane of a supporting beam top of cooling tower top layer, and the dryer is installed on finned tube heat exchange module's frame, and the plane is last air inlet on the finned tube heat exchange module frame in the dryer outside to be equipped with the air door of adjustable type, receive the space of hydrophone top and finned tube heat exchange module below and mix the room for doing wet air in advance.
The utility model discloses a cooling tower, the water inlet pipe case of its finned tube heat transfer module is connected with the tower water inlet main pipe, the play water pipe case is connected with the shower, the hot water that gets into the cooling tower at first flows into finned tube heat transfer module, carry out dry-type cooling heat transfer with the cold air that comes from last air inlet, the hot water in the finned tube realizes the precooling cooling, the cold air that flows through outside the finned tube is heated and heaies up, the air after being heated mixes above the water collector with the wet-type hot-air that comes from the air inlet down after the wet-type spraying, the air after the mixture continues to go upward again, finned tube heat transfer module that flows through the below the dryer is reheated, accomplish the second grade heating, the dry hot-air after being further heated is discharged by the draught fan, realize the zero fog operation; meanwhile, hot water in the finned tube heat exchange module is subjected to dry precooling and cooling, and moisture-free evaporation is carried out, so that water-saving operation is realized; the hot water after precooling and heat exchange flows into the spray pipe again, and is sprayed on the filler by the spray head for wet cooling, so as to realize deep cooling.
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 mixing and heating fog dispersal to the air that flows through, consequently need not to add the wet gas mixer futilely in the air chamber of cooling tower, is favorable to reducing air resistance, improves the cooling efficiency of device, reduces power consumption.
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 the mixed heat exchanger of precooling, realizes the purpose of zero fog operation in winter, cooling operation in summer under the condition that does not increase the energy consumption, and the water conservation is very showing simultaneously, and moves all the year round, and equipment utilization rate is high, long service life.
Drawings
The description of FIG. 1 is as follows: fig. 1 is a front view of a countercurrent cooling tower device, in which 1 is a cooling tower water outlet pipe, 2 is a cold water tank, 3 is a lower air inlet damper, 4 is a frame, 5 is a wet cooling section packing layer, 6 is a spray water pipe, 7 is a water receiver, 8 is a mixing air chamber, 9 is a cooling tower top frame, 10 is a finned tube heat exchange module outlet pipe box, 11 is a finned tube heat exchange module upper frame, 12 is an upper air inlet damper, 13 is a finned tube, 14 is a wind tube, 15 is a draught fan, 16 is a draught fan motor, 17 is a finned tube heat exchange module water inlet pipe box, and 18 is a cooling tower water inlet header pipe.
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 1000NM 3 The temperature of hot water entering the tower is 42 ℃, the temperature of cold water leaving the tower is 32 ℃, the pressure of an outlet of a cold water pump is 0.25Mpa, the highest temperature of the area is 34 ℃ on average in 5 continuous days, the corresponding wet bulb temperature is 24.5 ℃, the lowest temperature of the area is-15 ℃ on average in 5 continuous days, under the condition of not increasing energy consumption, the cooling tower is used as hot water circulating cooling equipment of the working section to ensure the zero fog state in winter and the cooling effect in high-temperature seasons, and the specific data are shown in the following table.
Characteristic of the technology
| Name(s) | Parameter(s) |
| Diameter mm of finned tube bundle base tube | Φ38×2 |
| Length (light pipe) mm of finned tube | 7000 |
| Total number of finned tubes (dry cooling section) | 300 |
| The cooling tower frame has the length, width and height m | 8.5×8.5×10 |
| Draught fan L50 fan blade diameter mm (electric motor 45KW) | 5000 |
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 should not be construed as limiting the present invention, and any modifications, equivalent replacements, 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 (2)
1. The utility model provides a two-stage preheating type dry-wet zero fog cooling tower which characterized in that: the finned tube heat exchange module is composed of an inlet and outlet tube box, finned tubes and a frame, is arranged for the top layer and is installed on the plane above the supporting beam on the top layer of the cooling tower, the air cylinder is installed on the frame of the finned tube heat exchange module, the upper plane of the finned tube heat exchange module frame outside the air cylinder is the upper air inlet, and is provided with an adjustable air door, and the space above the water receiver and below the finned tube heat exchange module is the dry and wet air premixing chamber.
2. The dual stage pre-heating type dry-wet zero mist cooling tower of claim 1, wherein: the water inlet pipe box of the finned tube heat exchange module is connected with a tower inlet water return header pipe, the water outlet pipe box is connected with a spray pipe, hot water entering a cooling tower firstly flows into the finned tube heat exchange module, the hot water in the finned tubes is precooled and cooled, cold air flowing out of the finned tubes is heated and heated, the heated air is mixed with wet hot air which is sprayed from a lower air inlet in a wet mode above a water collector, the mixed air continues to move upwards, the finned tube heat exchange module flowing out of an air duct is heated again to complete secondary heating, and the dry hot air which is further heated is discharged by a draught fan to realize zero-mist operation; meanwhile, hot water in the finned tube heat exchange module is subjected to dry precooling and cooling, and moisture-free evaporation is carried out, so that water-saving operation is realized; the hot water after precooling and heat exchange flows into the spray pipe again, and is sprayed on the filler by the spray head for wet cooling, so that deep cooling is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220327859.3U CN217275698U (en) | 2022-02-11 | 2022-02-11 | Double-stage preheating dry-wet type zero-fog cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220327859.3U CN217275698U (en) | 2022-02-11 | 2022-02-11 | Double-stage preheating dry-wet type zero-fog cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217275698U true CN217275698U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220327859.3U Active CN217275698U (en) | 2022-02-11 | 2022-02-11 | Double-stage preheating dry-wet type zero-fog cooling tower |
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| CN (1) | CN217275698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287998A (en) * | 2023-10-12 | 2023-12-26 | 长沙海川节能技术有限公司 | Cooling tower |
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2022
- 2022-02-11 CN CN202220327859.3U patent/CN217275698U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287998A (en) * | 2023-10-12 | 2023-12-26 | 长沙海川节能技术有限公司 | Cooling tower |
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