CN102997708A - Low-temperature cooling tower - Google Patents
Low-temperature cooling tower Download PDFInfo
- Publication number
- CN102997708A CN102997708A CN2012104784714A CN201210478471A CN102997708A CN 102997708 A CN102997708 A CN 102997708A CN 2012104784714 A CN2012104784714 A CN 2012104784714A CN 201210478471 A CN201210478471 A CN 201210478471A CN 102997708 A CN102997708 A CN 102997708A
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- China
- Prior art keywords
- tower
- cooling
- water
- air
- cooled
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- 238000001816 cooling Methods 0.000 title claims abstract description 84
- 239000003570 air Substances 0.000 claims abstract description 40
- 239000011901 water Substances 0.000 claims abstract description 39
- 239000000945 fillers Substances 0.000 claims abstract description 21
- 238000001704 evaporation Methods 0.000 claims abstract description 16
- 239000010410 layers Substances 0.000 claims abstract description 5
- 239000007921 sprays Substances 0.000 claims description 21
- 239000000779 smoke Substances 0.000 claims description 4
- 241000736911 Turritella communis Species 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000003809 water extraction Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000011257 shell materials Substances 0.000 abstract 3
- 238000007781 pre-processing Methods 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 2
- 241001081830 Degeneriaceae Species 0.000 abstract 1
- 230000000875 corresponding Effects 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 2
- 230000037250 Clearance Effects 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 230000035512 clearance Effects 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001052 transient Effects 0.000 description 1
Abstract
Description
Technical field
The present invention relates to a kind of low-temp cooling tower.
Background technology
Fields such as electricity generation system, air-conditioning system is comparatively widely for the use of cooling tower, the water-cooled effect of circulating confession is relevant with the air dielectric that enters cooling tower, in the higher situation of the temperature of tower body outside, external air temperature may be higher than the temperature of tower body inside, in the tower body internal heat exchange process with contact heat-exchanging, evaporation and heat-exchange, it directly has influence on the cooling effect of cooling tower.
For air-conditioning system, if the temperature that is lowered from cooling tower cooling water out can accomplish to descend 1 ℃, be to produce positive effect for the raising of the main frame efficient of air-conditioning system.Such as being about 37 ℃ from air-conditioner host coolant-temperature gage to be cooled out, and traditional cooling tower can be accomplished about cooling water temperature to 32 °, if can further reduce the temperature of cooling water, then air-conditioner host further reduces in power consumption last time, because air-conditioner host is the equipment of highly energy-consuming, does not meet current energy-conservation development trend.Same is that electricity generation system also directly has influence on the problem of energy consumption height for the water temperature of the cooling water of supplying with.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, and a kind of low-temp cooling tower that can further reduce the cooling effect of cooling tower is provided.
To achieve these goals, the present invention adopts following technical scheme:
A kind of low-temp cooling tower, it has tower body, this tower body has one and is gone along with sb. to guard him by housing and to form and for water-cooled cavity to be cooled, described cavity contains cooled region and evaporation region, be provided with water spray system to be cooled between described cooled region and evaporation region, described cooled region is provided with the packing layer that is positioned at the spray equipment bottom, described evaporation region has an air outlet and a fan of the water smoke of cavity being derived tower body, it is characterized in that, the housing of described tower body is provided with at least one air pretreatment device, this air pretreatment device has one and is gone along with sb. to guard him the air communication channel that forms by housing, this passage contains an arrival end that communicates with the tower body external environment condition and a port of export that communicates with the tower body cavity, and the passage between arrival end and the port of export is provided with cooling device.
Further, described cooling device contains: evaporative cooling module and the spray module that cooperates the evaporative cooling module.
Further, described spray module has shower nozzle, is positioned at passage and as the water of cooling source, water extraction is risen to water pump and the spray piping that evaporative cooling module top sprays.
Further, described evaporative cooling module adopts cooling tower filler.
Further, also comprise: the inlet duct of being located at passage.
Further, described air pretreatment device is positioned at the sidewall of cooling tower shell, and magnitude setting is two.
The invention has the beneficial effects as follows: (1) installs the air pretreatment device at cooling tower, can effectively reduce the effective temperature of extraneous air, and then so that the water in this part air and the cooling tower is further realized heat exchange, thereby reduce the temperature of water to be cooled; (2) cooperate this low-temp cooling tower in fields such as air-conditioning system, electricity generation systems, can effectively improve the efficient of air-conditioner host, steam turbine, but also can carry out preferably energy-saving effect; (3) the air pretreatment device is as the structure of sealing, and its installation is comparatively convenient, and the energy consumption of single air pretreatment device is lower, and only water pump need to expend certain energy; (4) this cooling tower can further reduce the temperature of water to be cooled about 4 ℃ on the original basis, is quite obvious for energy-conservation effect.
Description of drawings
Fig. 1 is the low-temp cooling tower structural representation.
Fig. 2 is I place enlarged drawing among Fig. 1.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
The below is with the air-conditioning system example, that join with cooling tower is air-conditioner host F, this air-conditioner host has the cooling circulating water outlet pipe P1 that links to each other with cooling tower and is connected to the cooling circulating water return pipe P2 of cooling tower bottom, air-conditioner host cools off via cooling tower from cooling off circulating water outlet pipe outflow air-conditioner host through the cooling water that heat exchange temperature raises, generally, from the water temperature of the water to be cooled of cooling circulating water outlet pipe about 37 ℃, and traditional cooling tower can only have level about 32 ℃ to water outlet with water treatment to be cooled, this is for air-conditioner host, and this leaving water temperature can allow air-conditioner host consume more electric energy equally.
As shown in Figure 1, a kind ofly degree of approximation (degree of approximation=cooling tower leaving water temperature one wet-bulb temperature) can be contracted to the low-temp cooling tower about 1 ℃, it has tower body 1, this tower body has one and is gone along with sb. to guard him by housing and to form and for water-cooled cavity 2 to be cooled, described cavity contains cooled region and evaporation region, be provided with water spray system to be cooled between described cooled region and evaporation region, water-locator is common spray mode, described cooled region is provided with the packing layer that is positioned at the spray equipment bottom, water to be cooled is ejected in this structure via spray equipment and carries out heat exchange, packing layer is according to the size setting of cooled region, arrange along the cooling tower shell inwall, the temporary transient regional intercommunication that stops of cooling water that evaporation region and cooled region below do not occur is advisable, described evaporation region has an air outlet 3 and a fan 4 of the water smoke of cavity being derived tower body, air outlet is positioned at the top of cooling tower, fan has the effect of the water smoke after the outside discharging heat exchange, the housing of described tower body is provided with two air pretreatment devices 5, air pretreatment device 5 can be symmetrically arranged in the sidewall of housing, this air pretreatment device has one and is gone along with sb. to guard him the air communication channel that forms by housing 50, whole device can be regular or irregular profile, the profile of rule is such as square, circular etc., this passage contains an arrival end 51 that communicates with the tower body external environment condition and a port of export that communicates with the tower body cavity, filler setting on the cooling tower inwall can arrange support at port of export place, local filler covers support, and the port of export arranges certain distance with the filler that is in same level, certainly, also can adopt the port of export is arranged network, filler directly is installed on this network, passage between arrival end and the port of export is provided with cooling device, for cooling device, cooling off with the form that produces the cascade curtain is simple and the most economical and the most practical means.
Described cooling device contains: evaporative cooling module 53 and the spray module that cooperates the evaporative cooling module, the evaporation module adopts the passage interstitital texture that contains some spaces, such as filler etc., be convenient to passing through of sky G﹠W, and, help finishing of heat exchange, the passage of air pretreatment device adopts linear type structure, is positioned at then that the entrance point of passage and the port of export then arrange local crowning and the cavity that holds that forms low-temperature receiver.
Referring to Fig. 2, described spray module has shower nozzle, be positioned at passage and as the water 55 of cooling source, water extraction is risen to water pump 54 and the spray piping that evaporative cooling module top sprays, shower nozzle roughly is positioned at the gap location of filler and passage, be positioned at the filler top and be evenly arranged, the low-temperature receiver that water is located immediately at passage holds cavity.
Described evaporative cooling module adopts cooling tower filler, the cross section of filler and the cross section of passage are unanimous on the whole, the assemblage gap that only leaves spray equipment gets final product, this gap should not be too large, otherwise, hot-air taps into the cooling effect that then can affect us into cooling tower by this part direct clearance, the kind of filler is more, and what conventional means can obtain has: S ripple filler, step Trapezium oblique wave filler, some ripple filler, two-way ripple filler, bias ripple filler, the wrong filler of oblique, the sinusoidal wave filler of poor position formula.
The air pretreatment device also comprises: the inlet duct 52 of being located at passage, it is as the guiding mechanism of passage air-flow, extraneous air is constantly sucked in a steady stream the cavity of cooling tower, for inlet duct, can select fan, in the porch of passage comparatively ideal is set, the support that fan is set in the porch can be finished layout.
For summer, air themperature is higher, air themperature is higher than the inflow temperature of cooling tower often, the contact heat-exchanging direction is airborne heat transferred recirculated water, heat exchanging is disadvantageous, although evaporation and heat-exchange is greater than contact heat-exchanging, but the air quantity that blower fan produces is certain, therefore when environment temperature is higher, enter the water to be cooled that cooling tower carries out cooling operations and under the impact of hot-air, be difficult to further cooling, and take this air pretreatment device, then hot-air such as in 40 ℃ the situation from arrival end by the fan introduction channel after, under the cooling exchange interaction of filler, water temperature can be reduced to 35 ℃, and compared to without overcooled hot-air, its advantage is significant, adopt our low-temp cooling tower, 28 ℃ of wet-bulb temperature, cooling tower leaving water temperature can drop to 29～30 ℃, about low 2 degree of leaving water temperature than common cooling tower, in the situation that the cooling water reduction is 1 ℃, air-conditioner host Energy Efficiency Ratio (COP) can improve 5～10%.In air-conditioner host refrigeration, the heat transfer of water and air is the forward heat exchange, and certain, we also can utilize reverse heat-exchange, and namely air is to the mode of heat transfer water energy saving in addition.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104784714A CN102997708A (en) | 2012-11-22 | 2012-11-22 | Low-temperature cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104784714A CN102997708A (en) | 2012-11-22 | 2012-11-22 | Low-temperature cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102997708A true CN102997708A (en) | 2013-03-27 |
Family
ID=47926597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104784714A CN102997708A (en) | 2012-11-22 | 2012-11-22 | Low-temperature cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102997708A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154780A (en) * | 2014-07-22 | 2014-11-19 | 张家港市金腾化工机械制造有限公司 | Cooling recycling device |
| CN111023856A (en) * | 2019-12-21 | 2020-04-17 | 江苏唐问节能环保科技有限公司 | Heat pipe fan heater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341796A (en) * | 1986-08-06 | 1988-02-23 | Mitsui Toatsu Chem Inc | Cooling tower |
| CN101050924A (en) * | 2007-05-15 | 2007-10-10 | 株洲市兴民科技有限公司 | Method for improving noise of off tower air flow and its air cooling tower |
| CN101169299A (en) * | 2007-11-30 | 2008-04-30 | 清华大学 | Indirect evaporation type cooling/condensing device |
| CN201327307Y (en) * | 2008-10-15 | 2009-10-14 | 上海汽车资产经营有限公司 | Open-type multi-source double-effect energy tower |
| CN202973950U (en) * | 2012-11-22 | 2013-06-05 | 张育仁 | Low-temperature cooling tower |
-
2012
- 2012-11-22 CN CN2012104784714A patent/CN102997708A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341796A (en) * | 1986-08-06 | 1988-02-23 | Mitsui Toatsu Chem Inc | Cooling tower |
| CN101050924A (en) * | 2007-05-15 | 2007-10-10 | 株洲市兴民科技有限公司 | Method for improving noise of off tower air flow and its air cooling tower |
| CN101169299A (en) * | 2007-11-30 | 2008-04-30 | 清华大学 | Indirect evaporation type cooling/condensing device |
| CN201327307Y (en) * | 2008-10-15 | 2009-10-14 | 上海汽车资产经营有限公司 | Open-type multi-source double-effect energy tower |
| CN202973950U (en) * | 2012-11-22 | 2013-06-05 | 张育仁 | Low-temperature cooling tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154780A (en) * | 2014-07-22 | 2014-11-19 | 张家港市金腾化工机械制造有限公司 | Cooling recycling device |
| CN111023856A (en) * | 2019-12-21 | 2020-04-17 | 江苏唐问节能环保科技有限公司 | Heat pipe fan heater |
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Application publication date: 20130327 |