CN105021058A - Energy-saving, water-saving and environment-friendly type technological adiabatic air cooler - Google Patents
Energy-saving, water-saving and environment-friendly type technological adiabatic air cooler Download PDFInfo
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- CN105021058A CN105021058A CN201510402884.8A CN201510402884A CN105021058A CN 105021058 A CN105021058 A CN 105021058A CN 201510402884 A CN201510402884 A CN 201510402884A CN 105021058 A CN105021058 A CN 105021058A
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Abstract
The invention relates to an energy-saving, water-saving and environment-friendly type technological adiabatic air cooler. The cooler comprises a shell and an electric control system. An axial flow induced draft fan is installed at an air outlet in the top of a shell, so that air enters the axial flow induced draft fan through the lateral face of the shell and is exhausted via an exhaust outlet through the axial flow induced draft fan. A filtering net is arranged on the lateral face of the shell. Water atomization devices, a wet curtain and a finned-tube bundle are sequentially arranged inside the shell in the flowing direction of air. The wet curtain and the finned-tube bundle are in a V shape, arranged in the shell and used for enlarging the air inlet area and the heat exchange area of the finned-tube bundle. The filtering net and the wet curtain form an air saturated adiabatic chamber, and the water atomization devices atomize, humidify and cool inlet air in the air saturated adiabatic chamber. The filtering net, the water atomization devices, the wet curtain and the finned-tube bundle are used for carrying out heat insulation and cooling on the inlet air in the closed chamber and the wet curtain serves as a heat exchange medium for surface evaporation and cooling, so that the temperature of the inlet air is further reduced to be close to the wet bulb temperature; the heat exchange efficiency is improved; and meanwhile, water is prevented from scaling at the roots of finned tubes in the water evaporation and heat exchange process.
Description
Technical field
The present invention relates to a kind of energy-saving and water-saving environment-friendly type technique adiabatic air cooler, with air, hot-fluid medium is cooled, be mainly used in the process fluid cooling of the heat-producing devices such as industrial furnace, power supply, motor.
Background technology
Existing aerial cooler mainly contains dry-type air cooler, dry wet associating aerial cooler and closed cooling tower three kinds, dry-type air cooler is using surrounding air as cooling medium, rely on finned tube expansion heat transfer area to carry out enhanced tube to conduct heat outward, plunder the air temperature rise after finned tube take away heat by means of air is horizontal, reach the object of cooling tube inner fluid, be characterized in simple to operate, easy to use, but in its pipe, hot outlets temperature depends on air dry-bulb temperature, helpless to the cooling of the hot fluid of low-temperature level.For making up the shortcoming of dry-type air cooler, dry wet associating cooler and closed cooling tower are there is, the working mechanism of dry wet associating aerial cooler is at air intake place atomized water spraying, make intake air humidifying cooling, Cryogenic air after humidification is through the water droplet of water-stop sheet except deentrainment, horizontally again plunder heat exchange coil, thus the temperature difference increased between inlet air temp and hot fluid outlet temperature is carried out enhanced tube and is conducted heat outward.The operation principle of closed cooling tower is directly to shower water on heat exchange coil in the course of work of aerial cooler, is humidified cooling carrys out enhanced tube and conduct heat outward by evaporation of water on coil pipe and air.Dry wet associating aerial cooler and closed cooling tower two kinds of forms have common drawback, and two is that residue after water evaporation can be attached to finned tube root, causes heat exchange coil fouling, can affect the heat transfer effect of finned tube after use a period of time.
Summary of the invention
The technical problem to be solved in the present invention to provide a kind of energy-saving and water-saving environment-friendly type technique adiabatic air cooler, technological improvement is carried out to existing aerial cooler, realization environmentally the initial temperature of temperature, humidity and fluid to be cooled, final cooling temperature can change the operation of aerial cooler, to reach maximise operating efficiency, reduce the consumption of electric energy and the consumption of water resource.
Technical scheme of the present invention is: a kind of energy-saving and water-saving environment-friendly type technique adiabatic air cooler, comprise housing, electric-control system, axial flow air inducing blower fan is equipped with at case top air outlet place, air is made to enter axial flow air inducing blower fan from housing side, discharged through exhaust outlet by axial flow air inducing blower fan, housing side is provided with screen pack, inside is disposed with water atomization plant by air-flow direction, wet curtain, finned-tube bundle, described wet curtain becomes V-shaped to be arranged in housing with finned-tube bundle, for increasing the heat exchange area of incoming air area and tube bank, described screen pack and wet curtain composition saturation of the air thermal-insulating chamber, in saturation of the air thermal-insulating chamber, spraying humidification cooling process is carried out to air intake for water atomization plant.
Described wet curtain has undulatory structure, and bondd by undulatory fibrous paper the smaller diameter passage being formed and gather.
Described finned-tube bundle is made up of oval pipe and fin, fin is an Integral flat-plate, oval pipe is through fin arranged in rows, and with fin close contact, the inlet end of copper tube and fin tube bank is connected by feed flow collector, the outlet end of copper tube and fin tube bank is connected by return pipe, in intersecting reflux type heat exchange between finned-tube bundle with circulation of fluid.
Described electric-control system is made up of hot-fluid medium outlet temperature, ambient air temperature, ambient air humidity sensor and controller, controller receives the signal of hot-fluid medium outlet temperature, ambient air temperature, ambient air humidity sensor, according to cooler ambient temperature, humidity and hot-fluid medium outlet temperature, export control signal to axial flow air inducing blower fan, for Based Intelligent Control spraying adiabatic humidiflcation amount and the blower fan start and stop of axial flow air inducing and rotational speed regulation.
Described aerial cooler has fixed support, and fixed support is made up of metal or macromolecule organic composite material, and fixed support is fixed on the load bearing support body of cooling tower, is fixed by key bolt fastening assembly.
The invention has the beneficial effects as follows:
The present invention is by the analysis to existing aerial cooler pluses and minuses, adopt after the chamber filtering net closed, water atomization plant, wet curtain, finned-tube bundle carry out adiabatic cooling to air intake, again by the heat exchange medium that wet curtain cools as surface evaporation, air intake is dropped to further close to wet-bulb temperature, improve heat exchange efficiency, in the fouling of finned tube root simultaneously when avoiding water evaporation and heat-exchange.According to the temperature detection to ambient temperature, humidity and fluid to be cooled, intelligence controls the rotating speed of atomized water flow and blower fan in real time, greatly reduces water consumption while reducing power consumption compared with normal air cooler.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention;
Fig. 2 is finned-tube bundle and fin structure schematic diagram.
Detailed description of the invention
Now further illustrate the present invention with embodiment by reference to the accompanying drawings.
As shown in Figure 1, the present invention is a kind of Novel heat insulation plant air cooler, cool with hot-fluid medium in adiabatic saturated air heat exchanging organ pipe, it comprises housing 1, screen pack 2, water atomization plant 3, wet curtain 4, finned-tube bundle 5, axial flow air inducing blower fan 6, saturation of the air thermal-insulating chamber (7) and electric-control system.
The axial flow blower of air inducing is equipped with at case top air outlet place, air flows according to the direction of F1, enclosure interior is respectively arranged with screen pack according to air-flow direction F1, water atomization plant, wet curtain, copper tube and fin tube bank and axial flow blower, aerial cooler adopts side air intake, wet curtain becomes V-shaped to be arranged in aerial cooler with finned-tube bundle, add the heat exchange area of incoming air area and tube bank, overall structure is compacter, water atomization plant screen pack and wet curtain composition saturation of the air thermal-insulating chamber in carry out spraying process, air washes away finned-tube bundle by the flowing of F1 direction under the suction of axial flow blower, then discharged through exhaust outlet by axial flow blower.
Saturation of the air thermal-insulating chamber 7 in the present invention is by screen pack, water atomization plant and wet curtain composition, water atomization plant carries out atomization process in saturation of the air thermal-insulating chamber, adiabatic humidiflcation cooling process is carried out to the extraneous air entered, humid air after moistening and lowering temperature enters wet curtain, the moisture film entered forming thin layer in undulatory fibrous paper surface of humid air, air is when axial flow blower introducing passes a large amount of smaller diameter passage with certain speed, water on moisture film can absorb heat in air and then evaporation, air intake drops to further close to wet-bulb temperature, and then increase the heat transfer temperature difference at finned-tube bundle place, improve cooling effect.
Electric-control system is made up of hot-fluid medium outlet temperature, ambient air temperature, ambient air humidity sensor and controller, and controller can according to cooler ambient temperature, humidity and hot-fluid medium outlet temperature Based Intelligent Control spraying adiabatic humidiflcation amount and blower fan start and stop and rotational speed regulation.The fixed support of aerial cooler adopts metal or macromolecule organic composite material to make, and fixed support is fixed on the load bearing support body of cooling tower, can also be fixed by key bolt fastening assembly, and aerial cooler is arranged and should be convenient to change and Maintenance and Repair.
This aerial cooler is equipped with the sensor for regulating and controlling atomising device atomized water flow and monitoring ambient temperature and humidity and hot-fluid ring import and export temperature, to regulate the atomized water flow of water atomization plant 3 and the start and stop of blower fan and rotating speed in real time according to the temperature and humidity of external environment condition and hot-fluid out temperature, the humid air entering saturated thermal-insulating chamber can be evaporated completely, avoid the wetting of finned tube and fouling, reach the object of economize on electricity and water saving.Namely save the power consumption of blower and water pump, in turn save the consumption of water.
The wet curtain 4 of this aerial cooler and finned-tube bundle 5 are in the shape of the letter V layout, and add the heat exchange area of incoming air area and finned-tube bundle, structure is compacter, and air and the fluid in finned-tube bundle, in intersecting countercurrent flow, enhance heat-transfer effect.As shown in Figure 2, finned-tube bundle 5 adopts oval pipe 8, fin 9 is an Integral flat-plate, oval pipe 8 through fin 9 arranged in rows, and with fin 9 close contact, adopt the finned-tube bundle 5 of oval pipe 8 compacter, fin efficiency is higher, and air washes away tube bank according to the flow direction of F2, and it is less to manage outer flow resistance, reduce the energy consumption of blower fan, and heat transfer property is better.
Embodiment: ambient air outside flows in saturation of the air thermal-insulating chamber 7 through the filter screen 2 that is drawn through of axial flow air inducing blower fan 6 according to the direction of F1, water atomization plant 3 carries out adiabatic humidiflcation cooling process to the air entered, humid air after moistening and lowering temperature enters in wet curtain 4 and carries out adiabatic evaporation cooling, humid air enter the moisture film undulatory fibrous paper surface at wet curtain 4 being formed thin layer, air through axial flow air inducing blower fan 6 suck with certain speed through a large amount of smaller diameter passage time, water on moisture film can absorb heat in air and then evaporation, the sensible heat that air is embodied by temperature is converted into evaporation latent heat, thus again reduce the temperature of air self, then wash away finned-tube bundle 5 from wet curtain 4 Cryogenic air out and complete cooling to hot-fluid, then discharge through axial flow air inducing blower fan 6.
Claims (5)
1. an energy-saving and water-saving environment-friendly type technique adiabatic air cooler, comprise housing (1), electric-control system, axial flow air inducing blower fan (6) is equipped with at housing (1) top outlet inlet place, air is made to enter axial flow air inducing blower fan (6) from housing (1) side, discharged through exhaust outlet by axial flow air inducing blower fan (6), it is characterized in that: housing (1) side is provided with screen pack (2), inside is disposed with water atomization plant (3) by air-flow direction, wet curtain (4), finned-tube bundle (5), described wet curtain (4) becomes V-shaped to be arranged in housing (1) with finned-tube bundle (5), for increasing the heat exchange area of incoming air area and tube bank, described screen pack (2) and wet curtain (4) composition saturation of the air thermal-insulating chamber (7), in saturation of the air thermal-insulating chamber (7), spraying humidification cooling process is carried out to air intake for water atomization plant (3).
2. energy-saving and water-saving environment-friendly type technique adiabatic air cooler according to claim 1, is characterized in that: described wet curtain (4) has undulatory structure, and bondd by undulatory fibrous paper the smaller diameter passage being formed and gather.
3. energy-saving and water-saving environment-friendly type technique adiabatic air cooler according to claim 1, it is characterized in that: described finned-tube bundle (5) is made up of oval pipe (8) and fin (9), fin (9) is an Integral flat-plate, oval pipe (8) is through fin (9) arranged in rows, and with fin (9) close contact, the inlet end of finned-tube bundle (5) is connected by feed flow collector, the outlet end of finned-tube bundle (5) is connected by return pipe, in intersecting reflux type heat exchange between finned-tube bundle (5) with circulation of fluid.
4. energy-saving and water-saving environment-friendly type technique adiabatic air cooler according to claim 1, it is characterized in that: described electric-control system is by hot-fluid medium outlet temperature, ambient air temperature, ambient air humidity sensor and controller composition, controller receives hot-fluid medium outlet temperature, ambient air temperature, the signal of ambient air humidity sensor, according to cooler ambient temperature, humidity and hot-fluid medium outlet temperature, export control signal to axial flow air inducing blower fan (6), for Based Intelligent Control spraying adiabatic humidiflcation amount and (6) start and stop of axial flow air inducing blower fan and rotational speed regulation.
5. according to the arbitrary described energy-saving and water-saving environment-friendly type technique adiabatic air cooler of claim 1-4, it is characterized in that: described aerial cooler has fixed support, fixed support is made up of metal or macromolecule organic composite material, fixed support is fixed on the load bearing support body of cooling tower, is fixed by key bolt fastening assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402884.8A CN105021058A (en) | 2015-07-10 | 2015-07-10 | Energy-saving, water-saving and environment-friendly type technological adiabatic air cooler |
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| CN201510402884.8A CN105021058A (en) | 2015-07-10 | 2015-07-10 | Energy-saving, water-saving and environment-friendly type technological adiabatic air cooler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802093A (en) * | 2015-11-25 | 2017-06-06 | 衡阳恒荣高纯半导体材料有限公司 | A kind of condensing unit for producing high-purity germanium tetrachloride |
| CN112400569A (en) * | 2020-11-30 | 2021-02-26 | 中国农业大学 | Progressive efficient cooling and dehumidifying system and regulating and controlling method |
| CN113767258A (en) * | 2019-04-18 | 2021-12-07 | 昆腾股份有限公司 | Heat exchanger arrangement having at least one multi-pass heat exchanger and method for operating a heat exchanger arrangement |
| GB2610843A (en) * | 2021-09-17 | 2023-03-22 | Ure Sami | Drift mesh for adiabatic / evaporative air inlet cooling kit |
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| CN104406422A (en) * | 2014-11-25 | 2015-03-11 | 李金鹏 | Sleeve-type composite condensation cooling equipment |
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| CN204787919U (en) * | 2015-07-10 | 2015-11-18 | 上海酷仑冷却技术有限公司 | Adiabatic air cooler of energy -conserving festival water environmental protection molding die skill |
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Patent Citations (6)
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| US20080041087A1 (en) * | 2006-08-18 | 2008-02-21 | Jaeggi/Guntner (Schweiz) Ltd. | Hybrid dry cooler heat exchange with water-droplet slit and water-droplet splitting louver for heat exchangers with primarily latent heat transfer |
| EP2587205A1 (en) * | 2011-10-27 | 2013-05-01 | Jose Manuel Cruz Alonso | Refrigeration tower optimized for water cooling |
| CN102901374A (en) * | 2012-09-28 | 2013-01-30 | 东南大学 | Heat source tower device with pre-setting function |
| CN104406422A (en) * | 2014-11-25 | 2015-03-11 | 李金鹏 | Sleeve-type composite condensation cooling equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802093A (en) * | 2015-11-25 | 2017-06-06 | 衡阳恒荣高纯半导体材料有限公司 | A kind of condensing unit for producing high-purity germanium tetrachloride |
| CN113767258A (en) * | 2019-04-18 | 2021-12-07 | 昆腾股份有限公司 | Heat exchanger arrangement having at least one multi-pass heat exchanger and method for operating a heat exchanger arrangement |
| CN113767258B (en) * | 2019-04-18 | 2023-09-12 | 昆腾股份有限公司 | Heat exchanger device having at least one multi-pass heat exchanger and method for operating a heat exchanger device |
| CN112400569A (en) * | 2020-11-30 | 2021-02-26 | 中国农业大学 | Progressive efficient cooling and dehumidifying system and regulating and controlling method |
| GB2610843A (en) * | 2021-09-17 | 2023-03-22 | Ure Sami | Drift mesh for adiabatic / evaporative air inlet cooling kit |
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Application publication date: 20151104 |