CN201993006U - Solar ultralow-temperature cooling tower - Google Patents
Solar ultralow-temperature cooling tower Download PDFInfo
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- CN201993006U CN201993006U CN2010206892809U CN201020689280U CN201993006U CN 201993006 U CN201993006 U CN 201993006U CN 2010206892809 U CN2010206892809 U CN 2010206892809U CN 201020689280 U CN201020689280 U CN 201020689280U CN 201993006 U CN201993006 U CN 201993006U
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Abstract
The utility model relates to a solar ultralow-temperature cooling tower, which is provided with a water cooling device for preliminarily cooling water and a solar refrigerating device for secondarily cooling the water. The water cooling device comprises a power part, a water distribution part, a filling part and a water collection part; the solar freezing device refrigerates by adopting the absorption refrigerating mode and is provided with a solar heat collector, a generator filled with a refrigerant solution, an absorber, a condenser and an evaporator; the generator, the solar heat collector and the absorber are in sequential circulating connection; the generator, the condenser, the evaporator and the absorber are in sequential circulating connection; and a water collection pipeline of the water collection part is connected with the evaporator of the solar refrigerating device. The solar ultralow-temperature cooling tower can enable the temperature of cooling water to be lower than the wet bulb temperature of air entering the tower, and can enable the temperature of effluent water to reach an expected valve according to actual production requirements, thereby meeting water use requirements of more circulating water systems.
Description
Technical field
The utility model relates to the cooling tower technical field, especially a kind of solar energy ultralow temperature cooling tower.
Background technology
Along with the develop rapidly of China's industry, the cooling water amount constantly increases.Cooling tower, as the nucleus equipment of cooling circulating water system, more and more widely be used every field, the user is more and more higher to its requirement.
The cooling tower kind of Cai Yonging is a lot of in the market, as mechanical-draft cooling tower, cooling stack, hydrodynamic(al) blower fan cooling tower, cooling tower without draught fan, middle void tower etc.Its principle is carried out heat exchange by recirculated water with contacting of air nothing more than, and heat is taken cooling tower out of by air and is dispersed in the atmosphere, and hot water is cooled.Present most cooling tower all carries out heat exchange by above-mentioned principle, but this also causes cooling tower temperature drop effect directly to be subjected to climatic effect, uses to exist limitation.
Carry out heat exchange by above principle, there is a theoretical limit temperature in cooling tower, promptly advances the wet-bulb temperature of tower air, and the leaving water temperature of cooling tower will exceed 3 ℃～6 ℃ of the wet-bulb temperature of tower air into usually.When summer, weather was very hot, wet-bulb temperature was very high, and the cooling tower cooling-down effect often is affected, and leaving water temperature is difficult to reach the demand of circulation.Along with the development of each industry, at present a lot of circulations require cold water temperature will be lower than wet-bulb temperature in addition, and this has gone out a very hang-up for present cooling tower designer.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of solar energy ultralow temperature cooling tower is provided, can make the temperature of cooling water be lower than the into wet-bulb temperature of tower air, reach the water requirement of more circulations.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of solar energy ultralow temperature cooling tower, chilled water unit with preliminary cooling water, the freezing device of the solar energy of secondary cooling water, chilled water unit comprises power section, the water distribution part, the filler part and the part of catchmenting, the freezing device of solar energy adopts absorption freezing mode to freeze, the freezing device of solar energy has solar thermal collector, the generator of refrigerant solution is housed, absorber, condenser, evaporimeter, generator, solar thermal collector, the absorber connection that circulates successively, generator, condenser, evaporimeter, the absorber connection that circulates successively, the described pipeline that catchments that catchments part is connected with the evaporimeter of the freezing device of solar energy.
Further, described solar energy ultralow temperature cooling tower has the auxiliary cooling device of steam compression type, and the auxiliary cooling device has compressor, and compressor circulates successively with generator, condenser, evaporimeter and is connected.
Further, be connected with choke valve between described condenser and the evaporimeter.
Further, described generator is connected with solution heat exchanger.
Particularly, described power section comprises air duct, blower fan and motor, and water distribution part top is provided with water collection device, and filler partly is positioned at water distribution part below, and filler partly comprises packing layer and stuffing frame, and the part of catchmenting has water-collecting tray, and water-collecting tray is positioned at the packing layer below.
Further, the freezing device of described solar energy embeds in the chilled water unit or the freezing device of solar energy is arranged on by the chilled water unit.
Hot water is transported in the chilled water unit via water pump, partly sprays in the packing layer by water distribution.Blower fan pumps to packing layer by motor-driven with the outer cold air of tower, the sufficient heat exchange in packing layer for hot water and cold air, and the cooling water that is cooled off for the first time flows into water-collecting tray, is transported in the evaporimeter of the freezing device of solar energy by water pump once more.Solar thermal collector is set up on cooling tower platform and tower wall, absorbs solar energy hot.
The freezing device of solar energy adopts absorption freezing mode to freeze, and utilizes the change in concentration of refrigerant solution to obtain cold.
After refrigerant solution was transported in the solar thermal collector heating, the water in the refrigerant solution was constantly vaporized, and steam enters condenser and is cooled and condenses behind the water for cooling; Along with the continuous vaporization of water, the concentration of the refrigerant solution in the generator constantly raises, and enters absorber.When the water in the condenser enters evaporimeter by choke valve, rapid expansion and vaporizing, and in vaporescence a large amount of heats that absorb cooling water in the evaporimeters, thereby reach further purpose to the cooling water temperature refrigeration.The water at low temperature steam enters absorber, and the high concentration cold-producing medium that is absorbed in the device absorbs, and solution concentration progressively reduces, and sends generator back to by solution pump, finishes whole circulation.
In overcast and rainy or evening, when the heat-source energy that solar thermal collector provides is not enough, then start compressor, compressor and condenser, evaporimeter constitute an independent vapour compression refrigeration system, keep the stable of refrigerating capacity or heating load, prevent the solar heat collector to supply heat fluctuation and cause the fluctuation of whole technology.
The beneficial effects of the utility model are: the utility model has been broken through traditional cooling tower leaving water temperature and has been higher than into this technological deficiency of wet-bulb temperature of tower air, utilize inexhaustible solar energy source that circulation is further cooled off, make the temperature of cooling water be lower than the into wet-bulb temperature of tower air, can make leaving water temperature reach ideal value by the actual production demand, and be not subjected to the influence of environment temperature to cooling tower, improved the production efficiency of cooling tower, enlarge the scope of application of cooling tower and cooling circulating water system, reached the water requirement of more circulations.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the freezing device of solar energy in the utility model;
Wherein: 1-1. solar thermal collector, 1-2. air duct, 1-3. blower fan, 1-4. motor, 1-5. water collection device, 1-6. water distribution part, 1-7. packing layer, the freezing device of 1-8. solar energy, 2-1. generator, 2-2. absorber, 2-3. condenser, 2-4. choke valve, 2-5. evaporimeter, 2-6. compressor, the 2-7. solution heat exchanger.
The specific embodiment
In conjunction with the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of solar energy ultralow temperature cooling tower shown in Figure 2 as Fig. 1 has the chilled water unit of preliminary cooling water, the freezing device of the solar energy 1-8 of secondary cooling water.Chilled water unit comprises power section, water distribution part, filler part and the part of catchmenting.Power section comprises air duct 1-2, blower fan 1-3 and motor 1-4, water distribution part 1-6 top is provided with water collection device 1-5, water distribution part 1-6 has shower nozzle, water distribution pipe network, reaches the pipe network support, filler partly is positioned at water distribution part 1-6 below, filler partly comprises packing layer 1-7 and stuffing frame, the part of catchmenting has water-collecting tray, and water-collecting tray is positioned at packing layer 1-7 below.
The freezing device of solar energy 1-8 adopts absorption freezing mode to freeze, the freezing device of solar energy 1-8 has solar thermal collector 1-1, generator 2-1, absorber 2-2, condenser 2-3, the evaporimeter 2-5 of refrigerant solution is housed, generator 2-1, solar thermal collector 1-1, the absorber 2-2 connection that circulates successively, generator 2-1, condenser 2-3, evaporimeter 2-5, the absorber 2-2 connection that circulates successively, be connected with choke valve 2-4 between condenser 2-3 and the evaporimeter 2-5, generator 2-1 is connected with solution heat exchanger 2-7.The pipeline that catchments of the part of catchmenting is connected with the evaporimeter 2-5 of the freezing device of solar energy 1-8.
Solar energy ultralow temperature cooling tower has the auxiliary cooling device of steam compression type, and the auxiliary cooling device has compressor 2-6, and compressor 2-6 circulates successively with generator 2-1, condenser 2-3, evaporimeter 2-5 and is connected.
Hot water is transported in the chilled water unit via water pump, and 1-6 sprays among the packing layer 1-7 by the water distribution part.Blower fan 1-3 is driven by motor 1-4 the outer cold air of tower is pumped to packing layer 1-7, the sufficient heat exchange in packing layer 1-7 for hot water and cold air, the cooling water that is cooled off for the first time flows into water-collecting tray, is transported among the evaporimeter 2-5 of the freezing device of solar energy 1-8 by water pump once more.Solar thermal collector 1-1 sets up on cooling tower platform and tower wall, absorbs solar energy hot.
After refrigerant solution was transported among the solar thermal collector 1-1 heating, the water in the refrigerant solution was constantly vaporized, and steam enters condenser 2-3 and is cooled and condenses behind the water for cooling; Along with the continuous vaporization of water, the concentration of the refrigerant solution in the generator 2-1 constantly raises, and enters absorber 2-2.When the water in the condenser 2-3 enters evaporimeter 2-5 by choke valve 2-4, rapid expansion and vaporizing, and in vaporescence a large amount of heats that absorb cooling water in the evaporimeter 2-5, thereby reach further purpose to the cooling water temperature refrigeration.The water at low temperature steam enters absorber 2-2, and the high concentration cold-producing medium that is absorbed in the device 2-2 absorbs, and solution concentration progressively reduces, and sends generator 2-1 back to by solution pump, finishes whole circulation.
In overcast and rainy or evening, when the heat-source energy that solar thermal collector 1-1 provides is not enough, then start compressor 2-6, compressor 2-6 and condenser 2-3, evaporimeter 2-5 constitute an independent vapour compression refrigeration system, keep the stable of refrigerating capacity or heating load, prevent solar thermal collector 1-1 heat supply fluctuation and cause the fluctuation of whole technology.
The utility model has been broken through traditional cooling tower leaving water temperature and has been higher than into this technological deficiency of wet-bulb temperature of tower air, utilize inexhaustible solar energy source that circulation is further cooled off, make the temperature of cooling water be lower than the into wet-bulb temperature of tower air, can make leaving water temperature reach ideal value by the actual production demand, and be not subjected to the influence of environment temperature to cooling tower, improved the production efficiency of cooling tower, enlarge the scope of application of cooling tower and cooling circulating water system, reached the water requirement of more circulations.
Sunny when summer, when environment temperature is higher, the freezing device of solar energy COP improves, the temperature drop effect is obvious, has well guaranteed to imitate operation at the weather cooling tower height of sweltering heat, produces desirable water temperature, and reduce the energy consumption of cooling tower at summer high-temperature weather, well avoided peak of power consumption.Solar energy ultralow temperature cooling tower is to utilize cooling tower platform idle space, lays plate solar collector, collects solar energy and is used for the cooling water secondary refrigeration, and the power consumption ratio is well controlled, and need not to add the factory place; When night or rainy weather do not have sunshine, can start the auxiliary cooling device, guarantee the stable of process for cooling.The utility model cooling-down effect is obvious, and energy savings is considerable.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (6)
1. solar energy ultralow temperature cooling tower, it is characterized in that: chilled water unit with preliminary cooling water, the freezing device of the solar energy of secondary cooling water, chilled water unit comprises power section, the water distribution part, the filler part and the part of catchmenting, the freezing device of solar energy adopts absorption freezing mode to freeze, the freezing device of solar energy has solar thermal collector, the generator of refrigerant solution is housed, absorber, condenser, evaporimeter, generator, solar thermal collector, the absorber connection that circulates successively, generator, condenser, evaporimeter, the absorber connection that circulates successively, the described pipeline that catchments that catchments part is connected with the evaporimeter of the freezing device of solar energy.
2. solar energy ultralow temperature cooling tower according to claim 1, it is characterized in that: described solar energy ultralow temperature cooling tower has the auxiliary cooling device of steam compression type, the auxiliary cooling device has compressor, and compressor circulates successively with generator, condenser, evaporimeter and is connected.
3. solar energy ultralow temperature cooling tower according to claim 1 is characterized in that: be connected with choke valve between described condenser and the evaporimeter.
4. solar energy ultralow temperature cooling tower according to claim 1, it is characterized in that: described generator is connected with solution heat exchanger.
5. solar energy ultralow temperature cooling tower according to claim 1, it is characterized in that: described power section comprises air duct, blower fan and motor, water distribution part top is provided with water collection device, filler partly is positioned at water distribution part below, filler partly comprises packing layer and stuffing frame, the part of catchmenting has water-collecting tray, and water-collecting tray is positioned at the packing layer below.
6. solar energy ultralow temperature cooling tower according to claim 1 is characterized in that: the freezing device of described solar energy embeds in the chilled water unit or the freezing device of solar energy is arranged on by the chilled water unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206892809U CN201993006U (en) | 2010-12-30 | 2010-12-30 | Solar ultralow-temperature cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206892809U CN201993006U (en) | 2010-12-30 | 2010-12-30 | Solar ultralow-temperature cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993006U true CN201993006U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206892809U Expired - Lifetime CN201993006U (en) | 2010-12-30 | 2010-12-30 | Solar ultralow-temperature cooling tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN201993006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401608A (en) * | 2011-11-30 | 2012-04-04 | 南京大洋冷却塔股份有限公司 | Energy management and intelligent control-based solar cooling tower |
-
2010
- 2010-12-30 CN CN2010206892809U patent/CN201993006U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401608A (en) * | 2011-11-30 | 2012-04-04 | 南京大洋冷却塔股份有限公司 | Energy management and intelligent control-based solar cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |