CN103851951A - Circulating cooling water dispersing structure and cooling tower with same - Google Patents
Circulating cooling water dispersing structure and cooling tower with same Download PDFInfo
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- CN103851951A CN103851951A CN201410122680.4A CN201410122680A CN103851951A CN 103851951 A CN103851951 A CN 103851951A CN 201410122680 A CN201410122680 A CN 201410122680A CN 103851951 A CN103851951 A CN 103851951A
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Abstract
The invention discloses a circulating cooling water dispersing structure and a cooling tower with the same. The dispersing structure comprises an upper dispersing layer and one or more lower dispersing layers, wherein the upper dispersing layer and the lower dispersing layer are sequentially fixed into a cylinder-shaped protective part at intervals along a longitudinal direction from top to bottom; a body of the upper dispersing layer and a body of the lower dispersing layer both are respectively provided with a plurality of through holes; a cooling channel for circulating cooling air in the cooling tower from a low position to a high position is formed between the upper dispersing layer and the lower dispersing layer. According to the circulating cooling water dispersing structure, circulating cooling water discharged from a water distributing pipe flows through the horizontal surface of a liquid accumulation pool, rainwater is uniformly uninterruptedly generated and flows among the dispersing layers, and the cooling air is circulated in the cooling tower along the cooling channel from a low position to a high position so as to sufficiently carry out heat exchange with the circulating cooling water; because fillers are omitted, the resistance of the cooling air in the cooling tower is greatly reduced, and the circulating cooling water is unnecessary to atomize, so that the delivery lift of a water circulating pump is reduced, and the purpose of energy conservation is achieved.
Description
Technical field
The present invention relates to industrial circulating water refrigerating field, especially, relate to a kind of recirculated cooling water dispersed structure and there is the cooling tower of this structure.
Background technology
Cooling tower be water as circulating coolant, from system, absorb heat and be disposed in atmosphere, carry out cold and hot exchange and produce steam, steam volatile zone is walked heat and is reached the principles such as heat radiation, convection heat transfer' heat-transfer by convection and the radiant heat transfer heat that leaves, to ensure the normal operation of system.The effect of cooling tower be about to the to carry under one's arms cooling water of used heat carries out heat exchange at Ta Nei and air, makes used heat be transferred to air and spill in atmosphere.All there are improvement potentiality in various degree in the technical merit of the cooling water-saving device of existing part, the recycling rate of waterused of water far away transformation and the newly-built cooling tower at built cooling tower up to standard is understood the aspects such as type selecting, if can fully take into account the needs of saving water and energy, the advanced technology of cooling tower is all to have very important application and popularization value in the economic benefit of engineering practice and social benefit.
Cooling tower carries out in cooling process, water is formed to very little water droplet or moisture film as thin as a wafer, expand the contact area of water and air and extend contact time, strengthen evaporation of water vaporization, be with the amount of heat in leaking water, so water cooling process in cooling tower is the process of heat loss through conduction and evaporative heat loss.
Evaporation of water heat radiation
From theory, molecular kinetic, the surface evaporation of water causes by molecular thermalmotion, and the motion of molecule is again irregular, and the movement velocity of each molecule is in different size, and fluctuation range is very large.When the kinetic energy of some hydrone of water surface is that while overcoming water inside to its cohesive force, these hydrones are just overflowed from the water surface, enter in air, evaporation that Here it is.Because the larger hydrone of kinetic energy in water is overflowed, so remaining come the mean kinetic energy of other hydrones reduce, the temperature of water also decreases, and water is obtained cooling, the main cause of Here it is evaporative heat loss.So evaporative heat loss is the result of hydrone motion.
Evaporation of water heat radiation can be carried out in the time of boiling, also can at the temperature lower than boiling point, carry out, and the evaporative heat loss of occurring in nature is mostly the evaporation of carrying out at the temperature lower than boiling point.Cooling in cooling tower of hot water is the evaporative heat loss phenomenon of carrying out lower than boiling point in the situation that.
The hydrone of overflowing from the water surface, may collide each other, or between existing hydrone, mutually collides in the overflow hydrone that goes and air, may reenter so again in water.If overflowed within the unit interval, hydrone is more than the hydrone of getting back in the water surface, and water just constantly evaporates so, and water temperature also just constantly reduces, and water just obtains cooling.
The surface evaporation of water is because carrying out lower than boiling point in the situation that in water temperature, at this moment, in the phase cross surface of water and air, exist the pressure differential of steam, it is generally acknowledged in the contacting of water and air, exist one deck saturated gas-bearing formation as thin as a wafer at its interface place, be called the saturated gas-bearing formation of the water surface.First water be evaporated in saturated gas-bearing formation and go, and is then diffused in air and goes.
If the temperature of the saturated gas-bearing formation of the water surface is t
1, the temperature of the water surface is t
f, water droplet is less or moisture film is thinner, so t
1with t
fjust more approaching.If the saturated vapor partial pressure of the saturated gas-bearing formation of the water surface is p
1, and in air away from the water surface, when temperature is t, the partial pressure of (t is dry-bulb temperature) steam is p
2, the partial pressure between them is poor is so:
△p=p
1-p
2
This △ p is exactly the motive force of hydrone to air evaporation diffusion, as long as there is p
1>p
2(be △ p on the occasion of), the surface of water necessarily produces evaporation so, it is cooling that water is bound to, and with the temperature t of the water surface
fbe higher than or irrelevant lower than the air themperature t more than water surface.Represent with H if evaporate institute's consumption of calorie, so at p
1>p
2condition under, evaporation heat H always runs to air by the water surface, the heat in water always reduces.
For accelerating evaporation of water radiating rate, in cooling tower, to take following two measures:
Increase the contact area between hot water and air.Contact area is larger, and the chance that hydrone is overflowed is more, and evaporative heat loss is just faster.And water is mainly to carry out in the packing in cooling tower with contacting of air, the water droplet that on the one hand requires water to form in packing is the smaller the better, moisture film is got over Bao Yuehao; Require on the other hand more Bao Yuehao of filler itself, i.e. the area of filler be the bigger the better (filler is thinner, and the gross area is larger).
Heat loss through conduction also claims contact heat radiation, sometimes also claims contact heat loss through conduction.This heat radiation refers to the diabatic process when hot water water surface directly contacts with air, comprises two kinds of heat transfer forms of conduction and convection.As the temperature of water and air themperature different, will produce diabatic process, when water temperature is during higher than air themperature, water is just passed to air heat, the temperature of air self just raises gradually, makes the non-uniform temperature of the above ambient air of water surface inside, just produces like this convection action between cold air and hot-air, the result of convection current is that the temperature of the each point of air own is reached unanimously, and when finally consistent with air themperature to water surface temperature, heat loss through conduction stops.Above-mentioned visible: conduction and convection is simultaneous, be generically and collectively referred to as contact heat radiation.
The efficiency of cooling tower depends on the distribution situation of hot water in tower, linear speed and the actual heat exchange effect of cold wind.The defect of the serious deficency of counterflow cooling tower ubiquity border area filler, the unequal aspect of cloth wind, conventional common brace type countercurrent tower does not take effective technical measures to overcome these defects in this problem, irrational air inlet structure causes harmful effect to steam flow, thereby forms packing area periphery deficency.
With reference to Fig. 1, the internal structure of existing material filling type cooling tower from top to bottom comprises: blower fan 1, dehydrater 2, water distribution system 3, packing 4, pond 5.The recirculated water of heat is sent into hot water dispensing system by water supply pipeline by vertical shaft.This distribution system is netted layout, slot type water distribution in the plane; Recirculated water is temperature rising after heat exchange in condenser, to main tank, be assigned to bypass channel, distribution channel by water supply pipeline, vertical shaft, then by nozzles spray, the high-temperature water spraying downwards contacts with the Cryogenic air that upwards flows, produce transmission of heat by contact, meanwhile, also can produce evaporation heat transfer because of evaporation of water, hot water surface's hydrone is constantly converted into steam, in this process, from hot water, absorb heat, water is obtained cooling.The effect of filler is the contact area that increases water and air, increases time of contact, therefore require the hydrophily of filler strong, flowing resistance is little.The effect of dehydrater 2 is to separate to discharge airborne water droplet, reduces water loss, and eliminating wafts drips the impact on surrounding environment.Air enters tower body from air inlet. through the rain belt filler, become rightabout to flow through filler (therefore claiming reverse-flow) with hot water flow, the outer cold air of tower enters after cooling tower, absorb and evaporate and contact dispersed heat by hot water, temperature increases, it is large that humidity becomes, and density diminishes. and tower outer air temperature is low, humidity is little, density is large.Due to the inside and outside atmospheric density difference of tower, inside and outside air inlet, produce pressure reduction, cause tower outer air to flow to continuously in tower.Packing is that hot water carries out cooling critical piece in cooling tower.Need cooling hot water to become water droplet or form moisture film through splatter repeatedly, the contact area that increases water and air with extend contact time, impel hot water and air to carry out heat exchange, water is obtained cooling.But existing material filling type cooling tower adopts packing layer, there is the defect of the serious deficency of border area filler, the unequal aspect of cloth wind.And after long-term operation, the curl place of filler can gather a large amount of dirts, has reduced heat exchange area and heat-exchange time, has increased the flowing resistance of cooling tower simultaneously, has affected the service behaviour of cooling tower.In addition, owing to there being higher rainwater layer, easily produce larger noise.
With reference to Fig. 2, the internal structure of existing spray filled cooling tower from top to bottom comprises: blower fan 1, dehydrater 2, water distribution system 3, atomizer 6, pond 5.Spray filled cooling tower adopts atomizer 6 to substitute filler, tower internal resistance is obviously reduced, under the condition of identical air quantity, process the water yield larger, but cooling water atomization is needed to the atomizing pressure of 0.2-2MPa, need higher cooling water pump lift, and in atomization process, produce a large amount of drift ices, need to supplement a large amount of cooling waters, therefore the recycling rate of waterused of cooling water is impaired.
Summary of the invention
The cooling tower that the object of the invention is to provide a kind of recirculated cooling water dispersed structure and has this structure, uneven or need that the cooling circulating pump head causing of atomization is high, cooling water inflow loses large technical problem to solve the cooling serious deficency of border area filler, cloth wind of causing of existing cooling tower filler.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of recirculated cooling water dispersed structure, for cooling tower, this recirculated cooling water dispersed structure comprises: upper dispersion layer, one or more lower dispersion layer;
The lower dispersion layer of upper dispersion layer and one or more longitudinally from top to bottom successively interval be fixed in the protecting component of tubular, protecting component is for being fixedly connected with the inwall of cooling tower;
On upper dispersion layer horizontal plane of living in, be provided with for recirculated cooling water to be cooled is imported to the sparge pipe in cooling tower;
On the body of upper dispersion layer and on the body of lower dispersion layer, be equipped with the multiple through holes for recirculated cooling water being formed to rainwater;
Between the lower dispersion layer of upper dispersion layer and one or more, form for cooling-air in cooling tower by the hoist cooling duct of circulation of lower.
Further, upper dispersion layer and/or lower dispersion layer along being divided into multiple intervals through overfall dam interval, are evenly arranged through hole on each interval in the horizontal direction, and overfall dam is boss structure.
Further, multiple intervals are that square or multiple intervals are concentric annular.
Further, the recirculated cooling water that upper dispersion layer and/or lower dispersion layer are provided with for sparge pipe is derived cuts off the insulating course for multiply liquid stream, and insulating course is boss structure, and the boss top of insulating course is provided with multiple passages.
Further, upper dispersion layer and/or lower dispersion layer are at least provided with an overfall, and the exit face of overfall arranges through hole.
Further, the overfall position of adjacent two layers be dislocation be arranged symmetrically with.
Further, the exit of overfall arranges dehydrater.
Further, sparge pipe comprises two symmetrically arranged water pipe sections or is annular conduit section, the center of upper dispersion layer arranges cold-air vent, in the two ends of lower dispersion layer and protecting component two cold-air vents of formation or lower dispersion layer, be formed centrally cool air inlet, cold-air vent and multiple cool air inlet misplace successively and form cooling duct.
Further, through hole is provided with nozzle.
According to a further aspect in the invention, also provide a kind of cooling tower, comprise the liquid storage pool of being located at cooling tower bottom, in cooling tower, be provided with above-mentioned recirculated cooling water dispersed structure.
The present invention has following beneficial effect:
Recirculated cooling water dispersed structure of the present invention and there is the cooling tower of this structure, by dispersion layer under upper dispersion layer and one deck or multilayer is set, and on the body of upper dispersion layer and lower dispersion layer, all arrange multiple for recirculated cooling water being formed to the through hole of rainwater, on the horizontal plane of circulating cooling current at liquid storage pool that makes to discharge through sparge pipe, flow through, and rainwater evenly occurs incessantly and flows between each dispersion layer, cooling-air in cooling tower along cooling duct along the lower circulation that hoists, thereby fully carry out heat exchange with recirculated cooling water, so that the waste heat in recirculated cooling water is taken away, owing to having saved filler, the resistance of cooling-air in cooling tower weakens greatly, and do not need recirculated cooling water to carry out atomization, reduce cooling water pump lift, reach energy-conservation object.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of material filling type cooling tower in prior art;
Fig. 2 is the structural representation of spray filled cooling tower in prior art;
Fig. 3 is the schematic diagram of first preferred embodiment of the invention recirculated cooling water dispersed structure;
Fig. 4 is the schematic top plan view of Fig. 3;
Fig. 5 is the generalized section of upper dispersion layer in preferred embodiment; And
Fig. 6 is the schematic diagram of second preferred embodiment of the invention recirculated cooling water dispersed structure.
Description of reference numerals:
10, upper dispersion layer; 20, lower dispersion layer; 30, protecting component; 40, sparge pipe; 50, through hole;
60, overfall dam; 70, cold-air vent; 80, insulating course; 81, passage; 90, cool air inlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
With reference to Fig. 3 to Fig. 5, the preferred embodiments of the present invention provide a kind of recirculated cooling water dispersed structure, and for cooling tower, this recirculated cooling water dispersed structure comprises: upper dispersion layer 10, one or more lower dispersion layer 20; Upper dispersion layer 10 and one or more lower dispersion layer 20 longitudinally from top to bottom successively interval be fixed in the protecting component 30 of tubular, protecting component 30 is for being fixedly connected with the inwall of cooling tower; On upper dispersion layer 10 horizontal plane of living in, be provided with for recirculated cooling water to be cooled is imported to the sparge pipe 40 in cooling tower; On the body of upper dispersion layer 10 and on the body of lower dispersion layer 20, be equipped with the multiple through holes 50 for recirculated cooling water being formed to rainwater; Between the lower dispersion layer 20 of upper dispersion layer 10 and one or more, be provided with for cooling-air in cooling tower by the hoist cooling duct of circulation of lower.
In the present embodiment, lower dispersion layer 20 is multiple, upper dispersion layer 10 and multiple lower dispersion layers 20 longitudinally from top to bottom successively interval be fixed in the protecting component 30 of tubular, in order to ensure that dispersion layer does not subside, between upper dispersion layer 10 and lower dispersion layer 20 and protecting component 30, be provided with support member, to support the weight of each dispersion layer.Recirculated cooling water enters sparge pipe 40 after upper dispersion layer 10, through hole 50 in process on dispersion layer 10 forms rainwater and falls to next-door neighbour's lower dispersion layer 20, the recirculated cooling water that falls into this lower dispersion layer 20 then again the through hole 50 on it form rainwater and fall to the lower dispersion layer 20 of lower one deck, the like, and between the end of upper dispersion layer 10 and protecting component 30, form cooling-air outlet, each lower dispersion layer 20 also and between protecting component 30 forms cooling air intake, adjacent cooling air intake dislocation is oppositely arranged, like this, make cooling-air lateral flow between adjacent dispersion layer, to conduct heat fully with rainwater, reach the effect of cooling circulating cooling water, recirculated cooling water after conducting heat layer by layer finally falls into the liquid storage pool that is positioned at cooling tower bottom.
The present embodiment is by arranging dispersion layer 20 under upper dispersion layer 10 and one deck or multilayer, and on the body of upper dispersion layer 10 and lower dispersion layer 20, all arrange multiple for recirculated cooling water being formed to the through hole 50 of rainwater, the recirculated cooling water liquid stream of discharging through sparge pipe 40 is flow through on the horizontal plane of liquid storage pool, and rainwater evenly occurs incessantly and flows between each dispersion layer, cooling-air in cooling tower along cooling duct along the lower circulation that hoists, thereby fully carry out heat exchange with recirculated cooling water, so that the waste heat in recirculated cooling water is taken away, owing to having saved filler, the resistance of cooling-air in cooling tower weakens greatly, and do not need recirculated cooling water to carry out atomization owing to naturally producing rainwater, reduce cooling water pump lift, reach energy-conservation object.
Preferably, in order to strengthen recirculated cooling water stirring in the horizontal direction, to strengthen the heat exchange between recirculated cooling water and cooling-air, upper dispersion layer 10 and/or lower dispersion layer 20 are in the horizontal direction along being divided into multiple intervals through overfall dam 60 intervals, on each interval, evenly establish and arrange through hole 50, overfall dam 60 is boss structure.In the present embodiment, with reference to Fig. 4, upper dispersion layer 10 forms multiple square intervals through multiple crisscross overfall dams 60 in the horizontal direction, like this, import the recirculated cooling water of upper dispersion layer 10 through sparge pipe 40, a part forms rainwater through through hole 50 and falls into lower dispersion layer 20, another part enters next interval successively through overfall dam 60, thereby both realized the stirring of recirculated cooling water, increase again the film-cooled heat of recirculated cooling water, the time that has extended recirculated cooling water bottom horizontal flow sheet, strengthen cooling effect.On lower dispersion layer 20, also can adopt and the similar overfall dam structure of upper dispersion layer 10.
Except the structure of the overfall dam 60 shown in the present embodiment Fig. 4, in other embodiment, overfall dam 60 can also be designed to snakelike or irregularly shaped, preferably, overfall dam 60 is designed to annular, the multiple intervals that kept apart by overfall dam 60 on dispersion layer are concentric annular, thereby, further extend bottom horizontal flow sheet time of recirculated cooling water.
Because the recirculated cooling water part via through holes 50 on upper dispersion layer 10 forms rainwater and fall into next-door neighbour's lower dispersion layer 20, another part enters each interval one by one through overfall dam, in order there to be the recirculated cooling water along continuous straight runs of 5%-15% to flow on the lower dispersion layer 20 that ensures to be close to, preferably, through hole 50 is not set on the interval of the final stage of upper dispersion layer 10, and between the interval of final stage and protecting component 30, leave cooling-air outlet, correspondingly, for next-door neighbour's lower dispersion layer 20, in the position residing interval corresponding with the interval position of the final stage of upper dispersion layer 10, through hole 50 is not also set, ensure to have on this lower dispersion layer 20 like this internal circulating load of the recirculated cooling water of 5%-15%.The interval dislocation of final stage final stage interval and upper dispersion layer 10 of this lower dispersion layer 20 is arranged, in like manner, the final stage interval of this lower dispersion layer 20 does not also arrange through hole 50, the lower dispersion layer 20 that is positioned at below that is close to this lower dispersion layer 20 does not also arrange through hole 50 in residing interval, position corresponding to the interval position of last layer final stage, the like, like this, ensure the bottom horizontal flow sheet of recirculated cooling water between each layer, extend the heat transfer time between cooling-air and recirculated cooling water, thereby reach the mass-and heat-transfer effect between cooling-air and recirculated cooling water, and because each dispersion layer horizontal direction has the retaining of 5-15%, greatly extend the time of staying of recirculated cooling water in cooling tower, increase cooling effect, air laterally purges rainwater, has accelerated the cooling of rainwater.
Preferably, the recirculated cooling water that the upper dispersion layer 10 of the present embodiment and/or lower dispersion layer 20 are provided with for sparge pipe 40 is derived cuts off the insulating course 80 for multiply liquid stream, with reference to Fig. 5, insulating course 80 is boss-shaped, the boss height of insulating course 80 is higher than the boss height of overfall dam 60, thereby realize the partition between recirculated cooling water liquid stream, in dispersion layer, play water conservancy diversion and strengthen cooling.In the present embodiment, overfall dam 60 is longitudinally interval setting in the horizontal direction, insulating course 80 is in the horizontal direction along being horizontally arranged at interval, on dispersion layer, form multiple intervals through the cooperation of crisscross overfall dam 60 and insulating course 80, in other embodiments, if overfall dam 60 is annular, insulating course 80 is designed to the annular shape between the overfall dam 60 of annular, so that recirculated cooling water is shunted and water conservancy diversion.Preferably, in order to ensure the circulation of cooling-air, add the heat-transfer effect of strong convection, the boss top of insulating course 80 is provided with multiple passages 81.
Preferably, flow into straight the flow of the recirculated cooling water of lower floor in order to strengthen upper strata, to increase the flow of recirculated cooling water bottom horizontal flow sheet, realize abundant stirring and the bottom horizontal flow sheet of recirculated cooling water, upper dispersion layer 10 and/or lower dispersion layer 20 are at least provided with an overfall, and the exit face of overfall arranges through hole 50.Preferably, the overfall position of adjacent two layers is dislocation and is arranged symmetrically with, thereby extends bottom horizontal flow sheet path and the time of recirculated cooling water.In order to reduce water loss, the water droplet in divided gas flow, preferably, the exit of overfall arranges dehydrater.
Fig. 6 has provided the schematic diagram of second preferred embodiment of the invention recirculated cooling water dispersed structure.Embodiment bis-is with the difference of embodiment mono-: sparge pipe 40 comprises two symmetrical water pipe sections or is annular conduit section, the center of upper dispersion layer 10 arranges cold-air vent 70, the two ends of lower dispersion layer 20 and protecting component 30 form two cool air inlets 90 or lower dispersion layer 20 in be formed centrally cool air inlet 90, between levels, cool air inlet 90 dislocation are arranged, the cold-air vent 70 of going up dispersion layer 10 is positioned at center, the cool air inlet 90 of next-door neighbour's lower dispersion layer 20 is positioned at end, the cool air inlet 90 of the lower dispersion layer 20 of following is again positioned at center, the like, cold-air vent 70 misplaces successively and forms cooling duct with multiple cool air inlets 90.
Preferably, in order to strengthen the dispersion effect of the rainwater that via through holes 50 forms, through hole 50 places are provided with nozzle, and further recirculated cooling water low pressure is separated into multi-strand flow or water droplet by this nozzle, increase the specific area that water contacts with air, to strengthen the heat transfer effect between cooling-air and rainwater.
Preferably, upper dispersion layer 10 and each lower dispersion layer 20 are dismantled and assembled structure, and on upper dispersion layer 10 and/or lower dispersion layer 20, one or more intervals are designed to an assembly element; Between each assembly element, fix with screw or alternate manner, thereby met the application needs of large cooling column.Recirculated cooling water in the present embodiment is for carrying out heat exchange with ambient systems, and enter cooling tower after heat and carry out cooling absorbing, carry out heat exchange with circulation and ambient systems, those skilled in the art can determine, recirculated cooling water in the present embodiment can also be other liquid cooling medium, as oil, therefore the recirculated cooling water in the present embodiment and other liquid cooling mediums are equal to.
According to a further aspect in the invention, also provide a kind of cooling tower, comprise the liquid storage pool of being located at cooling tower bottom, in cooling tower, be provided with the recirculated cooling water dispersed structure of above-described embodiment.Cooling tower in the present embodiment can be designed to natural ventilation type and two kinds of methods for cooling of mechanical ventilation type.The blower fan of mechanical ventilation type cooling tower can be arranged on the outlet top of cooling tower, also can be arranged on the periphery of the liquid storage pool of cooling cylinder bottom.The present embodiment, owing to having reduced flowing resistance, has improved cooling effect, reduces the power consumption 15-25% of ventilation blower in mechanical ventilation type cooling tower.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a recirculated cooling water dispersed structure, for cooling tower, is characterized in that, this recirculated cooling water dispersed structure comprises: upper dispersion layer (10), one or more lower dispersion layer (20);
Described upper dispersion layer (10) and lower dispersion layer (20) described in one or more longitudinally from top to bottom successively interval be fixed in the protecting component (30) of tubular, described protecting component (30) is for being fixedly connected with the inwall of described cooling tower;
On described upper dispersion layer (10) horizontal plane of living in, be provided with for described recirculated cooling water to be cooled is imported to the sparge pipe (40) in cooling tower;
On the body of described upper dispersion layer (10) and on the body of described lower dispersion layer (20), be equipped with the multiple through holes (50) for recirculated cooling water being formed to rainwater;
Described upper dispersion layer (10) and described in one or more, between lower dispersion layer (20), form for cooling-air in described cooling tower by the hoist cooling duct of circulation of lower.
2. recirculated cooling water dispersed structure according to claim 1, is characterized in that,
Described upper dispersion layer (10) and/or described lower dispersion layer (20) are in the horizontal direction along being divided into multiple intervals through overfall dam (60) interval, on each described interval, be evenly arranged described through hole (50), described overfall dam (60) is boss structure.
3. recirculated cooling water dispersed structure according to claim 2, is characterized in that,
Multiple described intervals are that square or multiple described intervals are concentric annular.
4. recirculated cooling water dispersed structure according to claim 3, is characterized in that,
The recirculated cooling water that described upper dispersion layer (10) and/or described lower dispersion layer (20) are provided with for described sparge pipe (40) is derived cuts off the insulating course (80) for multiply liquid stream, described insulating course (80) is boss structure, and the boss top of described insulating course (80) is provided with multiple passages (81).
5. recirculated cooling water dispersed structure according to claim 4, is characterized in that,
Described upper dispersion layer (10) and/or described lower dispersion layer (20) are at least provided with an overfall, and the exit face of described overfall arranges described through hole (50).
6. recirculated cooling water dispersed structure according to claim 5, is characterized in that,
The position of the described overfall of adjacent two layers is dislocation and is arranged symmetrically with.
7. recirculated cooling water dispersed structure according to claim 6, is characterized in that,
The exit of described overfall arranges dehydrater.
8. according to the arbitrary described recirculated cooling water dispersed structure of claim 1 to 7, it is characterized in that,
Described sparge pipe (40) comprises two symmetrically arranged water pipe sections or is annular conduit section, the center of described upper dispersion layer (10) arranges cold-air vent (70), in the two ends of described lower dispersion layer (20) and described protecting component (30) two cool air inlet mouths of formation (90) or described lower dispersion layer (20), be formed centrally cool air inlet (90), described cold-air vent (70) misplaces successively and forms described cooling duct with multiple described cool air inlet mouths (90).
9. recirculated cooling water dispersed structure according to claim 8, is characterized in that,
Described through hole (50) locates to be provided with nozzle.
10. a cooling tower, comprises the liquid storage pool of being located at cooling tower bottom, it is characterized in that,
In described cooling tower, be provided with the recirculated cooling water dispersed structure described in claim 1-9 any one.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106517394A (en) * | 2016-12-23 | 2017-03-22 | 广西大学 | Automatic supplying device for laboratory distilled water |
| CN107131025A (en) * | 2017-07-20 | 2017-09-05 | 重庆理工大学 | Engine sump tank radiator structure |
| CN108168141A (en) * | 2017-12-27 | 2018-06-15 | 芜湖凌梦电子商务有限公司 | A kind of cooling back installation of semiconductor thermoelectric |
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| CN2199512Y (en) * | 1994-04-04 | 1995-05-31 | 任占荣 | Natural ventilation cooling tower high-temp. wind-intensified cooling tower |
| CN2766218Y (en) * | 2005-01-18 | 2006-03-22 | 赵汝华 | Stainless cooling tower |
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Application publication date: 20140611 |