CN205383908U - Prevent white cigarette ventilation formula cooling tower of impressing - Google Patents
Prevent white cigarette ventilation formula cooling tower of impressing Download PDFInfo
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- CN205383908U CN205383908U CN201620083424.3U CN201620083424U CN205383908U CN 205383908 U CN205383908 U CN 205383908U CN 201620083424 U CN201620083424 U CN 201620083424U CN 205383908 U CN205383908 U CN 205383908U
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Abstract
The utility model relates to a warm technical field that leads to especially relates to a prevent white cigarette ventilation formula cooling tower of impressing, including the tower body shell, the inside of tower body shell is by lower supreme setting gradually to the district of admitting air, a heat exchanging area and the 2nd heat exchanging area, the tower body shell is equipped with first air inlet in the district of admitting air, is equipped with the second air inlet at the 2nd heat exchanging area, is equipped with the unit that catchments in the district of admitting air, and the first air inlet outside is equipped with fan unit, in order to impress the air admit air in the district, the unit that catchments includes water catch bowl, filter equipment and automatic reagent feeding device, and the water catch bowl lies in tower body shell bottom, and filter equipment sets up in the water catch bowl top, with to flowing into the liquid of water catch bowl filters, automatic reagent feeding unit bit in filter equipment top, and a heat exchanging area is equipped with the spray set who sprays downwards, and the spray set top is a heat exchanging area's gas vent, and the 2nd heat exchanging area is equipped with dry -type heat exchanger above the gas vent to air to being overflowed by a heat exchanging area heats the dehumidification.
Description
Technical field
This utility model relates to Heating, Ventilation and Air Conditioning (HVAC) Technology field, particularly relates to a kind of anti-white cigarette plenum ventilation formula cooling tower.
Background technology
Under normal circumstances, air-conditioning and refrigeration plant utilize cooling medium by among the waste heat discharge that produces in industry to air.According to the difference of cooling principle, the type of cooling of cooling tower is generally divided into air-cooled type cooling tower and evaporative cooling tower.It is the air-cooled type type of cooling that the temperature utilizing extraneous air reduces the mode of cooled body temperature；Another way is the direct contact by cooling down water and air, and utilizing the mode that evaporation of water takes away the temperature that heat reduces cooled body is the vaporation-type type of cooling.The type of cooling of other modes compared by the cooling tower of the vaporation-type type of cooling, and effect more preferably and has better economy, and therefore this type of cooling has been widely used various field.
Usual evaporative cooling tower is generally divided into two kinds: one and is air vertical upflow and cools down reverse-flow (counterflowtype) cooling tower of water vertical downflow, and another is air bottom horizontal flow sheet and cools down cross-flow type (crossflowtype) cooling tower of water vertical downflow；The type of flow of cooling water is generally divided into: cooling water and air flows mutually at open heat exchange department and contacts with each other, and is walked the open heat exchange method (OpenCircuitType) of heat by water evaporator strip；Another kind is to contact with cooling water and air flowing on the outer surface of the cooling pipe that cooling fluid (cooling down water or coolant) passes through to close, and the closed type hot being taken away heat by the evaporation of the water on surface or air conduction exchanges (CloseCircuitType).In recent years in order to reach to improve the heat exchanger effectiveness of cooling tower, reduce the loss of water, the purposes such as energy efficient, the demand adopting the development and application of the cooling tower of the hybrid power type (hybridcircuittype) that open heat exchange department and closed type hot exchange part combine is more and more higher.
Being divided into two kinds about draft type, one arranges blower fan at cooling tower air vent and provides captivation, sucks the suction ventilation formula discharged after air carries out heat exchange by heat exchange area from air inlet；Another kind is to arrange blower fan in cooling tower import to provide air mobilization dynamic, extraneous air is pressed into cooling tower supply opening and enters the plenum ventilation formula discharged after heat exchange area carries out heat exchange.
The advantage of cooling tower is can to remove used heat with relatively low cost, it is also possible to by condensing water conservation water resource, but cooling tower by vent time there is white cigarette, run noise higher, and there is vibration, but also for antibacterial offer habitat etc. environmental problem.
White cigarette be the air mixing being evaporated saturated moist air (RH100%) and the low temperature discharged after heat exchange from cooling tower process saturated moist air containing hydrogenesis time and the phenomenon that produces.The feature of white cigarette is that atmospheric temperature is more low, and visibility is more high.Simple white cigarette belongs to steam in physical property, air is not polluted, to human body also without injury；But being because white cigarette and easily cause the error of visual determination, takeing for is that fire occurs, and attractive in appearance to surrounding causes damage；And steam is the disseminule of the antibacterials such as pneumonia, it is easy to surrounding enviroment are polluted；And during low pressure in winter, air flowing is more weak, hinders white cigarette to rise, causes the negative effect such as the ground of cooling tower periphery and adnexa and the surface icing of building.The negative effect and the impact that produce due to white cigarette are continuously increased, and at the beginning of 1980, US and European starts to develop and develop the correlation technique preventing white cigarette about cooling tower, up to the present, and the anti-white cigarette technology that also persistently research and development is relevant both at home and abroad.
The method generally reducing white cigarette is to become saturated moist air after outdoor air passes through wet type heat exchange area, again mix mutually with extraneous air and become undersaturated humid air, utilize the dry heat exchanger for adding thermal medium such as steam, high-temperature cooling water work or electricity to become the relatively low low humidity humid air of humidity after heating to discharge again through one, thus preventing white cigarette from producing.The method of another kind of anti-white cigarette is: install auxiliary material in the heat exchange material of the heat exchange area within cooling tower additional, the heat exchange method making air and water changes, be usually after installing the exchange stream of air and water additional auxiliary device to become dry type, heat exchange stream that wet type mixes mutually, reduce air humidity, it is prevented that the generation of white cigarette.
I.e. upper end cover formula dry type wind path as depicted in figs. 1 and 2 and upper and lower end cover type ventilation diagram, finned blanketing lid on part heat sink material, the heat exchange sheet material making covering part does not have air to pass through, form dry type ventilation path 3, the wet ventilating road 2 that saturated moist air 5 is formed by adjacent sheet passage, and carry out heat exchange with the recirculated water in wet ventilating road 2, dry air 4 enters dry type ventilation path 3 and overflows, cooling water 6 stays along wet ventilating road, form dry heat exchange region, directly not contacting between air with water, after heat exchange, humidity reduces, it is prevented that the generation of white cigarette；Also have one to do, wet type heat exchange combines, dry, wet type shunting ventilation diagram as shown in Figure 3, portion's saturated moist air 5 does not become the relatively low dry air 4 of humidity in wet ventilating road 2 with water direct contact heat-exchanging, fractional saturation humid air 5 is mixing, with after becoming saturated moist air after water direct contact heat-exchanging, the mode reducing humidity in wet ventilating road 2, it is prevented that the generation of white cigarette.
The thermal source of the dry heat exchanger for arranging on cooling tower, is generally divided into body thermal source and external heat source；Wherein body thermal source generally refers to utilize cooling water as thermal source, and external heat source refers to and utilizes steam, high-temperature-hot-water or electricity etc. to provide thermal source.
For the method utilizing the dry heat exchanger of body thermal source to reduce white cigarette, although the consumption of the energy can be reduced, but adopt the cooling water of 37～40 degrees Celsius as thermal source, so the effect reducing white cigarette can slightly lower than external heat source formula, and also need additionally increase dry heat exchange region in wet type heat exchange area, so the cooling tower volume of equivalent capability can increase, the area of tower body shell and other also can increase therewith, the cost of investment causing the initial stage increases, so method exists some problems.
Dry heat exchanger for above-mentioned external heat source formula reduces white cigarette method, although effect is better, but needs heating to reduce humidity by the saturated moist air of wet type heat exchange area, causes that heating load increases, brings higher energy consumption cost.
Along with industrial expansion, also there is many changes in environment, haze weather more and more occurs in daily life, drastically influence health therewith, causes that the running environment in cooling tower becomes more severe therewith.Owing to haze containing many pollutant, pathogenic bacteria and other impurity, enter after contacting with water after cooling tower with air, cause the water degradation in cooling tower, various pathogenic bacterias and fungus grow, have a strong impact on the natural environment around tower, and easily become breeding ground and the propagating source of pathogen, and the easy blocking pipeline of growth of impurity in water and various Mycophyta, have a strong impact on operation and the natural environment around of cooling tower.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is to solve existing cooling tower to reduce the limited in one's ability of white cigarette, and also need additionally increase dry heat exchange region in the wet type heat exchange area of part cooling tower, the cooling tower volume making equivalent capability increases, cause that cost of investment increases, existing cooling tower is easily caused water degradation in tower by the impact of air quality simultaneously, impurity in water and the easy blocking pipeline of growth of various Mycophyta, have a strong impact on the operation of cooling tower and the problem of natural environment around.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of anti-white cigarette plenum ventilation formula cooling tower, and including tower body shell, the inside of described tower body shell sets gradually from the bottom to top as air inlet area, the first heat exchange zone and the second heat exchange zone；Described tower body shell is provided with the first air inlet in described air inlet area, and described tower body shell is provided with the second air inlet at described second heat exchange zone；It is provided with water collecting unit in described air inlet area, it is provided with fan unit outside described first air inlet, air is pressed in described air inlet area, described water collecting unit includes water leg, defecator and automatic medicine adding apparatus, described water leg is positioned at described tower body outer casing bottom, to collect the liquid of described tower body enclosure, described defecator is arranged at above described water leg, so that the liquid flowing into described water leg is filtered, described automatic medicine adding apparatus is positioned at above described defecator, to throw in medicine in described water leg, disinfection also prevents corrosion of piping；Described first heat exchange zone is provided with the spray equipment of sprinkling downwards, so that the air being pressed into by described air inlet area is carried out heat transfer spray intensification；Described spray equipment is arranged above the air vent of described first heat exchange zone, and described second heat exchange zone is arranged over dry heat exchanger at described air vent, to be heated dehumidifying to by the air of described first heat exchange zone effusion.
Wherein, described air inlet area is connected by outer air air admission unit with described second air inlet of described second heat exchange zone, the air director that described outer air air admission unit includes outer air admission line, be arranged in described air inlet area, the exogenous QI guider between the described air vent being arranged in described second heat exchange zone and described dry heat exchanger, the admission controller that is arranged in described outer air admission line, described admission controller is connected with air door executer.
Wherein, described first heat exchange zone is additionally provided with filler device, described filler device is positioned at below described spray equipment, the high temperature cooling water out of described dry heat exchanger is provided with high-temperature cooling water outlet header, described high-temperature cooling water outlet header is connected with described spray equipment, described connecting tube is folded upward at, and the height that reaches of bending is more than the place height of described dry heat exchanger.
Wherein, described first heat exchange zone is additionally provided with dry-and wet-type heat exchanger tube, the cooling fluid issuing of described dry-and wet-type heat exchanger tube and cooling fluid inlet are respectively equipped with cooling fluid outlet header and cooling fluid inlet collector, the high temperature cooling water out of described dry heat exchanger is provided with high-temperature cooling water outlet header, described high-temperature cooling water outlet header is connected with described cooling fluid inlet collector by connecting tube, and described cooling fluid outlet header is provided with cooling fluid temperature (F.T.) detector.
Wherein, described water leg being additionally provided with coolant outlet, described coolant outlet is connected by pipeline with described spray equipment, and described pipeline is provided with water distribution water pump, cooling water circulation the passing in described spray equipment in described water leg to be sprayed.
Wherein, the described tower body shell being positioned at described second heat exchange zone is shell flange dish, and described shell flange is connected with the air vent of described first heat exchange zone by pivot flange dish, and the sidewall of described shell flange is provided with maintenance door；It is provided with water collection device between described air vent and described spray equipment；It is provided with exhaust temperature detectors in described second heat exchange zone；Described dry heat exchanger includes dry type heat exchanger tube and the heat transmission fin being sheathed on described dry type heat exchanger tube.
Wherein, described fan unit includes blower fan, air duct, air draft flange and the motor driving described blower fan to rotate, described air duct is sheathed on outside blower fan, described motor is connected with described blower fan, the exhaust outlet of described air duct and described air draft Flange joint, and towards described air-deflector, the described tower body shell outside described first air inlet is provided with intake air temperature detector.
Wherein, described air door executer, described cooling fluid temperature (F.T.) detector, described exhaust temperature detectors and described intake air temperature detector are all connected with anti-white cigarette self-con-tained unit.
Wherein, described pivot flange dish is that folding scalable slides rail, the outside of described air vent be provided with combine with described air vent in conjunction with ring flange, the both sides of described shell flange dish are fixed with the rail slided, to guarantee that described dry heat exchanger can move horizontally, and it is configured with adjustable jack post offer support and regulable control.
Wherein, the high temperature cooling water inlet of described dry heat exchanger is connected with cooling water water pump or compressor by high-temperature cooling water inlet header.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that anti-the main of white cigarette plenum ventilation formula cooling tower of the present utility model is made up of air inlet area, the first heat exchange zone and three parts of the second heat exchange zone；First air inlet is positioned at the side of the tower body shell of air inlet area, air vent is between the first heat exchange zone and the second heat exchange zone, the mutual fluid interchange on the heat exchanger of high-temperature cooling water and air constitutes heat exchange area, air is by after the first heat exchange zone, carry out heat exchange with the spray equipment liquid of the first heat exchange zone to become saturated moist air and discharged by air vent, first mix with the extraneous air entered by the second air inlet at the second heat exchange zone saturated moist air, carry out with dry heat exchanger again after mixing discharging after heat exchange becomes the air that humidity is relatively low, by improving the temperature of air and the humidity reducing air, effectively prevent the formation of white cigarette during discharge, simple in construction is integrated, device volume is less, save cost；This utility model also bottom in tower body shell is provided with for collecting the water leg of liquid in tower, water leg top is provided with defecator, filter impurities in liquid and grow the quality of thing guarantee liquid, reduce bacteria breed and equipment fault, reduce maintenance cost, water leg side arranges automatic medicine adding apparatus, medicine is regularly thrown in water leg, suppress growing of microorganism and pathogen, purify liquid, pipeline is carried out anticorrosion, avoid the easy blocking pipeline of growth of various Mycophyta, have a strong impact on the operation of cooling tower and the problem of natural environment around.
Except this utility model described above solve the technical problem that, the technical characteristic of technical scheme that constitutes and except having the advantage that the technical characteristic of these technical schemes brings, the advantage that other technologies feature of the present utility model and these technical characteristics bring, will further illustrate in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is upper end cover formula dry type ventilation diagram in prior art；
Fig. 2 is upper and lower end cover type dry type ventilation diagram in prior art；
Fig. 3 is dry, hygroscopic water stream ventilation diagram in prior art；
Fig. 4 is the side view that this utility model embodiment one prevents white cigarette suction ventilation formula cooling tower；
Fig. 5 is the top view that this utility model embodiment one prevents white cigarette suction ventilation formula cooling tower；
Fig. 6 is the side view that this utility model embodiment one prevents the dry heat exchanger horizontal mobile mechanism of white cigarette suction ventilation formula cooling tower；
Fig. 7 is that this utility model embodiment one prevents that white cigarette suction ventilation formula cooling tower reduces the air humidity change line of white cigarette process；
Fig. 8 is that this utility model embodiment one prevents that white cigarette suction ventilation formula cooling tower controls the flow chart run；
Fig. 9 is the side view that this utility model embodiment two prevents white cigarette suction ventilation formula cooling tower；
Figure 10 is the side view that this utility model embodiment three prevents white cigarette plenum ventilation formula cooling tower；
Figure 11 is the side view that this utility model embodiment four prevents white cigarette suction ventilation formula cooling tower.
In figure: 2: wet ventilating road；3: dry type ventilation path；4: dry air；5: saturated moist air；6: cooling water；10: dry heat exchanger；11: dry type heat exchanger tube；12: heat transmission fin；13: high-temperature cooling water inlet header；14: high temperature cooling water inlet；15: high-temperature cooling water outlet header；16: high temperature cooling water out；17: tower body shell；18: shell flange dish；20: the second heat exchange zones；21: maintenance door；24: slide rail；26: connecting tube；30: outer air air admission unit；31: admission controller；32: air door executer；35: air director；36: outer air admission line；37: the second air inlets；38: exogenous QI guider；41: the first air inlets；43: air inlet area；44: pivot flange dish；45: air vent；46: water collection device；50: the first heat exchange zones；51: dry-and wet-type heat exchanger tube；52: cooling fluid inlet collector；53: cooling fluid inlet；54: cooling fluid outlet header；55: cooling fluid issuing；56: cooling fluid temperature (F.T.) detector；61: spray equipment；70: fan unit；71: blower fan；72: air duct；73: air draft flange；74: motor；76: intake air temperature detector；80: water distribution water pump；86: cooling water water pump；87: compressor；90: water leg；91: coolant outlet；92: defecator；93: exhaust temperature detectors；94: filler device；95: automatic medicine adding apparatus；100: anti-white cigarette self-con-tained unit.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, broadly fall into the scope of this utility model protection.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
Additionally, in description of the present utility model, except as otherwise noted, " multiple ", " many ", " many groups " are meant that two or more, and " several ", " some ", " some groups " are meant that one or more.
Embodiment one
As shown in Figure 4 and Figure 5, the one that this utility model embodiment provides prevents white cigarette plenum ventilation formula cooling tower, and including tower body shell 17, the inside of tower body shell 17 sets gradually from the bottom to top as air inlet area the 43, first heat exchange zone 50 and the second heat exchange zone 20；Tower body shell 17 is provided with the first air inlet 41 in air inlet area 43, and tower body shell 17 is provided with the second air inlet 37 at the second heat exchange zone 20；It is provided with water collecting unit in air inlet area 43, it is provided with fan unit 70 outside first air inlet 41, air is pressed in air inlet area 43, water collecting unit includes water leg 90, defecator 92 and automatic medicine adding apparatus 95, water leg 90 is positioned at bottom tower body shell 17, to collect the liquid within tower body shell 17, defecator 92 is arranged at above water leg 90, so that the liquid flowing into water leg 90 is filtered, automatic medicine adding apparatus 95 is positioned at above defecator 92, to throw in medicine in water leg 90, disinfection also prevents corrosion of piping；First heat exchange zone 50 is provided with the spray equipment 61 of sprinkling downwards, so that the air being pressed into by air inlet area 43 is carried out heat transfer spray intensification；Spray equipment 61 is arranged above the air vent of the first heat exchange zone 50, and the second heat exchange zone 20 is arranged over dry heat exchanger 10 at air vent 45, so that the air overflowed by the first heat exchange zone 50 to be heated dehumidifying.
Anti-the main of white cigarette plenum ventilation formula cooling tower of the present utility model is made up of air inlet area, the first heat exchange zone and three parts of the second heat exchange zone；First air inlet is positioned at the side of the tower body shell of air inlet area, air vent is between the first heat exchange zone and the second heat exchange zone, the mutual fluid interchange on the heat exchanger of high-temperature cooling water and air constitutes heat exchange area, air is by after the first heat exchange zone, carry out heat exchange with the spray equipment liquid of the first heat exchange zone to become saturated moist air and discharged by air vent, first mix with the extraneous air entered by the second air inlet at the second heat exchange zone saturated moist air, discharge carry out the air that heat exchange degree of getting wet is relatively low after mixing again with dry heat exchanger after, by improving the temperature of air and the humidity reducing air, effectively prevent the formation of white cigarette during discharge, simple in construction is integrated, device volume is less, save cost；This utility model also bottom in tower body shell is provided with for collecting the water leg of liquid in tower, water leg top is provided with defecator, filter impurities in liquid and grow the quality of thing guarantee liquid, reduce bacteria breed and equipment fault, reduce maintenance cost, water leg side arranges automatic medicine adding apparatus, medicine is regularly thrown in water leg, suppress growing of microorganism and pathogen, purify liquid, pipeline is carried out anticorrosion, avoid the easy blocking pipeline of growth of various Mycophyta, have a strong impact on the operation of cooling tower and the problem of natural environment around.
Wherein, air inlet area 43 is connected by outer air air admission unit 30 with the second air inlet 37 of the second heat exchange zone 20, the air director 35 that outer air air admission unit 30 includes outer air admission line 36, be arranged in air inlet area 43, the exogenous QI guider 38 between the air vent 45 being arranged in the second heat exchange zone 20 and dry heat exchanger 10, the admission controller 31 that is arranged in outer air admission line 36, admission controller 31 is connected with air door executer 32.The air that part fan blasts by outer air air admission unit is set and passes to the second heat exchange zone, the air door executer ordinary priority of admission controller selects rotatable parts, it is mounted in the rotary part of the outside or inside of outer air admission line, the inlet of outer air can be effectively controlled by admission controller, can pass through to control air door executer and control air inflow, thus the bottom of the dry heat exchanger at the second heat exchange zone, increase the mixed proportion of outer air and saturated moist air.Additionally, for air director and exogenous QI guider, being primarily configured as tilt component and bent member, it primarily serves the purpose of and is mixed fully at the middle section of exhaust gas region with saturated moist air vertically upward by extraneous air, makes the humidity of saturated moist air gradually decrease.The outer air guider that first air inlet of air intake pipe is arranged outside is used for guiding flow of external air, and arranges downward hang plate in both sides, and center position is right against water leg center, for collecting the water droplet in air.The air inflow ordinary priority of exogenous QI supply area is chosen as the 20% of cooling tower standard air quantity, the general outer air temperature that white cigarette occurs is significantly less than the design wet bulb temperature of cooling tower, and relatively low outer temperature makes load (loading of the cooling tower cooling) step-down of cooling tower, so extraneous air adopts the air output of 20% without the air flowing and the cooling load that affect overall cooling tower.
Concrete, first heat exchange zone 50 is additionally provided with filler device 94, filler device 94 is positioned at below spray equipment 61, the high temperature cooling water out 16 of dry heat exchanger 10 is provided with high-temperature cooling water outlet header 15, high-temperature cooling water outlet header 15 is connected with spray equipment 61 by connecting tube 26, connecting tube 26 is folded upward at, and the height that reaches of bending is more than the place height of dry heat exchanger 10.Cooling water be by dry heat exchanger above water supply pump provide spray power, spray equipment by water pump, distribution pipe and nozzle form；Cooling water is sprayed onto on filler device by spray equipment, air carries out heat exchange with cooling water on filler device, what be conducive to that heat exchange carries out is more abundant, and high-temperature cooling water inlet header is arranged on inside tower body, to prevent air from flowing in the bypass housing of high-temperature cooling water inlet header.Additionally, high-temperature cooling water inlet header and outlet header are preferentially arranged in direction, the same side, it is also possible to side arranges high-temperature cooling water inlet header, opposite side arranges high-temperature cooling water outlet header；High-temperature cooling water outlet header is connected with the cooling water water distribution pipeline of spray equipment by connecting tube, and the crooked place of connecting tube is higher than dry heat exchanger position when mounted.Being provided with drain valve and drain pipe on high temperature cooling water out, its Main Function is to prevent cooling water outflow.High-temperature cooling water outlet header is additionally provided with and discharges the air remained within dry heat exchanger, ensure that the automatic air pressure that draining is smoothed out regulates valve.When keeping in repair dry heat exchanger, in order to not affect the operation of cooling tower, the high temperature cooling water inlet of dry heat exchanger is flowed with the bypass of outlet header, it is necessary to bypass duct and bypath valve are set.The pipeline combined mouth of the pipelines such as high temperature cooling import and outlet, high temperature cooling water inlet and outlet header, connecting tube and water distribution pipeline preferentially adopts flange connection；Pipe joint pipe in small space adopts the pipeline opening connected mode of the less mechanical joint of bolt or coupling clip clamper.
In order to eliminate the mass flow discrepancy of each stream of high-temperature cooling water, must be spaced between high-temperature cooling water inlet header and outlet header, individually connect.Two dry heat exchanger being independently arranged, it is independently installed that it connects pipeline blocking, and this structure can install flow control valve.Above-mentioned dry heat exchanger, for small-sized cooling tower, the air vent of one unit is small-bore, and high-temperature cooling water inlet header and high-temperature cooling water outlet header control among a unit；For the big-and-middle-sized cooling tower that diameter is relatively larger, in order to simplify installation and removal, high-temperature cooling water inlet header and the multiple-unit control of high-temperature cooling water outlet header, overall structure configures in factory or in-site installation.
Further, the tower body shell 17 being positioned at the second heat exchange zone 20 is shell flange dish 18, and shell flange 18 is connected with the air vent 45 of the first heat exchange zone 50 by pivot flange dish 44, and the sidewall of shell flange 18 is provided with maintenance door 21；Water collection device 46 it is provided with between air vent 45 and spray equipment 61；It is provided with exhaust temperature detectors 93 in second heat exchange zone 20；Dry heat exchanger 10 includes dry type heat exchanger tube 11 and the heat transmission fin 12 being sheathed on dry type heat exchanger tube 11.Air vent arranges the pivot flange dish of fixing skid brackets, and the dry heat exchanger that pivot flange dish constructs with square be combined with each other；Connect the high-temperature cooling water outlet header of high temperature cooling water out in the side of dry heat exchanger, opposite side connects the high-temperature cooling water inlet header of high temperature cooling water inlet, high temperature cooling water inlet and the mutually isolated installation of high temperature cooling water out；The air flow spaces of certain altitude is formed in the bottom of dry heat exchanger；The water droplet formed in tower body when the effect of water collection device is to reclaim aerofluxus, and the cooling water formed when coagulation dry heat exchanger runs.Dry type heat exchanger tube is the one in wall scroll swan-neck (U-tube), continuously straight bend pipe (single bending) or twin elbow (tangent bend) form, ordinary priority selects to be arranged in 2～4 row (OK), if constituting dry type heat exchanger tube with multiple straight bend pipes to be continuously preferably devised to single-row or multiple row, dry type heat exchanger tube prioritizing selection copper pipe is made, and stainless steel tube or hot-dip galvanized steel pipe can also be used for making.The outer surface of dry heat exchanger is provided with heat transmission fin, the shape that heat transmission fin preferably coordinates with air mobile phase, the tabular heat transmission fin that general heat exchanger tube prioritizing selection air permeability is good, and the fin that other and heat exchanger tube are combined closely also may make up heat transmission fin.The tower body shell of the second heat exchange zone is provided with maintenance door, facilitates inspection and the cleaning of water collection device and spray equipment and the cleaning of the impurity on dry heat exchanger.In this case, maintenance door includes a moveable lid, fixed-use bolt, hinge leaf, and a control bar that can control an opening and closing.
Wherein, fan unit 70 includes blower fan 71, air duct 72, air draft flange 73 and the motor 74 driving blower fan 71 to rotate, it is outside that air duct 72 is sheathed on blower fan 71, motor 74 is connected with blower fan 71, the exhaust outlet of air duct 72 is connected with air draft flange 73, and towards air-deflector 35, the tower body shell 17 outside the first air inlet 41 is provided with intake air temperature detector 76.In order to measure the first air inlet or the temperature of the hull outside adjacent with the first air inlet, it is necessary to arrange intake air temperature detector.
Wherein, air door executer 32, cooling fluid temperature (F.T.) detector 56, exhaust temperature detectors 93 and intake air temperature detector 76 are all connected with anti-white cigarette self-con-tained unit 100.Under the state that anti-white cigarette self-con-tained unit is cooling water water pump operation, the intake air temperature detector of the first air inlet produces detection signal when the temperature that white cigarette occurs being detected, control air door executer to run, open air door, enter extraneous air, and equipped with exhaust temperature detectors between air vent and dry heat exchanger, detect when aerofluxus has the temperature that white cigarette occurs, the flow regulating cooling water water pump controls to add heat, reduces air humidity；When cooling down water water pump and being out of service, when the intake air temperature detector of the first air inlet and the exhaust temperature detectors of air vent all quit work, air door executer quits work, and air door is closed；For above-mentioned anti-white cigarette self-con-tained unit, when cooling down water water pump and closing (not producing Bai Yanshi), the control assembly of admission controller also can be closed；When cooling down water water pump and opening operation (producing Bai Yanshi), the control assembly of admission controller also can open operation, and the switch of anti-white cigarette self-con-tained unit, admission controller and cooling water water pump is to be mutually related.The air door opening range of admission controller is determined according to the detection range of intake air temperature detector, and its change changes the ratio regulating air inlet according to the change of detection signal.Anti-white cigarette self-con-tained unit couples together the switch of cooling blower and the switch of admission controller, and the regulation and control that link.
Concrete, as shown in Figure 6, pivot flange dish 44 slides rail 24 for folding scalable, the outside of air vent 45 be provided with combine with air vent 45 in conjunction with ring flange, the both sides of shell flange dish 18 are fixed with slides rail 24, to guarantee that described dry heat exchanger can move horizontally, and it is configured with adjustable jack post offer support and regulable control.The both sides of skid brackets pivot flange dish constitute a pair slide rail and adjustable slide rail, are mainly made up of slide rail coupling apparatus, fixing device, bolt hinge parts and adjustable stationary barrier.On the layout that the fixing bolt of pivot flange and exhaust flange is combined with shell is generally aligned in the same plane, when keeping in repair water collection device and drenching sprayer, it is necessary to they are separated with cooling tower, moves to bottom cooling tower, to reduce the maintenance difficulty that top is arranged；The plane of shell flange both sides fixes a pair U-shaped is adjustable slides rail, it is possible to slide to any both sides when cooling tower overhauls, facilitate maintenance and the replacing of blower fan, dry heat exchanger and miscellaneous part.Dry heat exchanger can both direction slide to the left and right, controls extended distance and direction of angulations flexibly.Direction of angulations both can in left side, it is possible on right side, so not only improves and accurately controls exit flow direction, to also allow for staff's Measuring error.
The adjustable rail that slides usually slides rail with pivot flange combine with may move, then hinge bolt is utilized to be fixed, ensure the moving horizontally to both sides of heat exchanger, be mainly made up of slide rail coupling apparatus, fixing device, adjustable stationary barrier and hinge bolt part.In this case, can utilize effectively utilize space outerpace by the fixing rail that slides of folding rack, have no effect on the outward appearance of cooling tower.When carrying out necessary operation outside air vent, high-temperature cooling water goes out, import can move horizontally with dry heat exchanger, high-temperature cooling water inlet and outlet is connected by pipeline with dry heat exchanger, ease of assembly with separate, and can move horizontally with dry heat exchanger, outside air vent, conveniently carry out relevant operation.
Wherein, the high temperature cooling water inlet 14 of dry heat exchanger 10 is connected with cooling water water pump 86 or compressor 87 by high-temperature cooling water inlet header 13.The medium entering dry heat exchanger can select high-temperature cooling water or other heat transferring mediums.
As shown in Figure 7 and Figure 8, occur under the temperature conditions of white cigarette at extraneous air, the extraneous air entered by the first air inlet and admittance area 1. by the first heat exchange zone with cool down the heat exchange of the modes such as water is evaporated after become saturated moist air (humidity 100%) and 2. enter the second heat exchange zone；Additionally portion of external air enters the second heat exchange zone by outer air air admission unit under the pressure effect of blower fan, extraneous air enters the second heat exchange zone and saturated moist air through exogenous QI guider and is 2. sufficiently mixed minimizing humidity and becomes unsaturated humid air 3., and the unsaturated humid air of part 3. again 2. carry out mixed heat transfer with saturated moist air after mixing air carry out heat exchange through dry heat exchanger, air humidity obtains secondary and reduces, final discharge the low humidity air that produces without white cigarette 4., it is prevented that the generation of white cigarette.
It is technical construction and the principle of the anti-white cigarette plenum ventilation formula cooling tower of embodiment one of the present utility model as mentioned above, this design is provided with at air vent can to the dry heat exchanger of two side shiftings, the generation of white cigarette can be effectively prevented, using water wisely, shortening tube side and reduce the use of pipeline, single heat exchange unit, without installing flow control valve, reduces production cost, Maintenance and Repair are convenient, and anti-white cigarette is effective.
Embodiment two
As shown in Figure 9, the anti-white cigarette plenum ventilation formula cooling tower of this utility model embodiment two and embodiment one are distinctive in that, the use occasion of the anti-white cigarette plenum ventilation formula cooling tower of the present embodiment is indoor type, and dry heat exchanger 10 mainly utilizes the ring flange of tower body shell 1 to be mounted on the air vent 45 on tower body top.Indoor type prevents that white cigarette plenum ventilation formula cooling tower is provided with on air vent 45 can to the dry heat exchanger 10 of two side shiftings, the generation of white cigarette can be effectively prevented, using water wisely, shorten tube side and reduce the use of pipeline, single heat exchange unit is without installing flow control valve, reducing production cost, Maintenance and Repair are convenient, and anti-white cigarette is effective.
Embodiment three
As shown in Figure 10, the anti-white cigarette plenum ventilation formula cooling tower of this utility model embodiment three and embodiment one are distinctive in that, first heat exchange zone 50 is additionally provided with dry-and wet-type heat exchanger tube 51, cooling fluid issuing 55 and the cooling fluid inlet 53 of dry-and wet-type heat exchanger tube 51 is respectively equipped with cooling fluid outlet header 54 and cooling fluid inlet collector 52, the high temperature cooling water out 16 of dry heat exchanger 10 is provided with high-temperature cooling water outlet header 15, high-temperature cooling water outlet header 15 is connected with cooling fluid inlet collector 52 by connecting tube 26, cooling fluid outlet header 54 is provided with cooling fluid temperature (F.T.) detector 56.Cooling fluid inlet collector in dry-and wet-type heat exchanger tube lower end connects high-temperature cooling water inlet header, connect cooling fluid outlet header in the upper end of dry-and wet-type heat exchanger tube and constitute heat exchanger, the high temperature cooling fluid that second time heat exchange is is passed into again to the dry-and wet-type heat exchanger tube participating in first time heat exchange, both the efficiency of heat exchange had not been interfered with, achieve again the recycling of energy resource, energy-conserving and environment-protective.
Further, water leg 90 being additionally provided with coolant outlet 91, coolant outlet 91 is connected by pipeline with spray equipment 61, and pipeline is provided with water distribution water pump 80, cooling water circulation the passing in spray equipment 61 in water leg 90 to be sprayed.The cooling liquid that water leg is collected is passed into spray equipment again by pipeline and water distribution water pump, the air entered is carried out spray and heats up, so recycle and economize on resources, save cost, be also beneficial to the evolution to air and process.
The switching that anti-white cigarette self-con-tained unit is used for the dry type of cooling tower, wet type cooling runs.Admission controller is connected with anti-white cigarette self-con-tained unit.Anti-white cigarette self-con-tained unit controls extraneous air intake and exhaust port temperatures detector control pump capacity mainly through controlling admission controller.When water supply pump under operation, when intake air temperature detector detects the signal of the temperature that white cigarette produces, air door executer runs opens the air door of admission controller, increase air inflow, and utilize the exhaust temperature detectors between air vent and dry heat exchanger, detecting when aerofluxus has the temperature that white cigarette occurs, the flow regulating cooling water water pump controls to add heat, reduces air humidity；When intake air temperature detector detects the temperature signal that white cigarette disappears, it is out of service that water supply pump receives signal, and it is out of service that air door executer receives shutdown signal.The switch of cooling blower and admission controller is coupled together by above-mentioned anti-white cigarette self-con-tained unit, carries out coordinated signals.When cooling down fluid temperature (F.T.) detector and the temperature signal that wet type is run being detected, cooling water pump is opened, and opens the wet type state of cooling and runs；When cooling down the temperature signal that fluid temperature (F.T.) detector detects dry-running, water supply pump is out of service, opens dry calibration state and runs.
Embodiment three of the present utility model prevents technical pattern and the principle of white cigarette plenum ventilation formula cooling tower, this design arranges can move freely dry heat exchanger to both sides at air vent, the generation of white cigarette can be effectively prevented, using water wisely, shortening tube side and reduce the use of pipeline, single heat exchange unit, without installing flow control valve, reduces production cost, Maintenance and Repair are convenient, and anti-white cigarette is effective.
Embodiment four
As seen from Figure 11, the anti-white cigarette plenum ventilation formula cooling tower of this utility model embodiment four and embodiment three are distinctive in that, anti-white cigarette plenum ventilation formula cooling tower utilizes cold-producing medium as heat transferring medium, cold-producing medium is driven through high-temperature cooling water inlet header 13 by compressor 87 and enters dry heat exchanger 10, it is internal that outer air air admission unit 30 is positioned at tower body shell 17, through the first heat exchange zone 50, air inlet area 43 is connected with the second heat exchange zone 20, reduce the space hold amount of device further.Admission controller 31 is arranged on the outside of tower body shell 17, and it is internal that air door executer 32 is arranged on outer air admission line 36, is connected with rotary part and controls the action of air door.The bottom of cooling fluid issuing 55 is provided with drain valve and reclaims the recovery port of cold-producing medium.
As mentioned above for the 4th kind of technical case of the present utility model: utilize the closed cooling tower of cold-producing medium to prevent technical pattern and the principle of white cigarette, this design arranges can move freely dry heat exchanger to both sides at air vent, the generation of white cigarette can be effectively prevented, using water wisely, shortening tube side and reduce the use of pipeline, single heat exchange unit, without installing flow control valve, reduces production cost, Maintenance and Repair are convenient, and anti-white cigarette is effective.
This utility model is anti-white cigarette suction ventilation formula cooling tower, heat exchange is carried out by evaporative cooling, mix reduction humidity by the saturated moist air (humidity 100%) of heat exchange area with the outer air of low humidity and become undersaturated humid air, then through over-heat-exchanger through heating carry out second time reduce humidity become the humid air that humidity is relatively low, be effectively prevented white cigarette；For closed cooling tower, can carry out dry type, wet type switchover operation to prevent the generation of white cigarette, and consumption and the power loss of water can be reduced, without installing flow control valve on dry heat exchanger, shorten tube side, improve the aesthetic property of cooling tower outward appearance, reduce production cost and Maintenance and Repair cost, there is big advantage in actual applications.
In sum, anti-the main of white cigarette plenum ventilation formula cooling tower of the present utility model is made up of air inlet area, the first heat exchange zone and three parts of the second heat exchange zone；First air inlet is positioned at the side of the tower body shell of air inlet area, air vent is between the first heat exchange zone and the second heat exchange zone, the mutual fluid interchange on the heat exchanger of high-temperature cooling water and air constitutes heat exchange area, air is by after the first heat exchange zone, carry out heat exchange with the spray equipment liquid of the first heat exchange zone to become saturated moist air and discharged by air vent, first mix with the extraneous air passed into by the second air inlet at the second heat exchange zone saturated moist air, carry out with dry heat exchanger again after mixing discharging after heat exchange becomes the air that humidity is relatively low, by improving the temperature of air and the humidity reducing air, effectively prevent the formation of white cigarette during discharge, simple in construction is integrated, device volume is less, save cost；This utility model also bottom in tower body shell is provided with for collecting the water leg of liquid in tower, water leg top is provided with defecator, filter impurities in liquid and grow the quality of thing guarantee liquid, reduce bacteria breed and equipment fault, reduce maintenance cost, water leg side arranges automatic medicine adding apparatus, medicine is regularly thrown in water leg, suppress growing of microorganism and pathogen, purify liquid, pipeline is carried out anticorrosion, avoid the easy blocking pipeline of growth of various Mycophyta, have a strong impact on the operation of cooling tower and the problem of natural environment around.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (10)
1. an anti-white cigarette plenum ventilation formula cooling tower, including tower body shell, it is characterised in that: the inside of described tower body shell sets gradually from the bottom to top as air inlet area, the first heat exchange zone and the second heat exchange zone；Described tower body shell is provided with the first air inlet in described air inlet area, and described tower body shell is provided with the second air inlet at described second heat exchange zone；It is provided with water collecting unit in described air inlet area, it is provided with fan unit outside described first air inlet, air is pressed in described air inlet area, described water collecting unit includes water leg, defecator and automatic medicine adding apparatus, described water leg is positioned at described tower body outer casing bottom, to collect the liquid of described tower body enclosure, described defecator is arranged at above described water leg, so that the liquid flowing into described water leg is filtered, described automatic medicine adding apparatus is positioned at above described defecator, to throw in medicine in described water leg, disinfection also prevents corrosion of piping；Described first heat exchange zone is provided with the spray equipment of sprinkling downwards, so that the air being pressed into by described air inlet area is carried out heat transfer spray intensification；Described spray equipment is arranged above the air vent of described first heat exchange zone, and described second heat exchange zone is arranged over dry heat exchanger at described air vent, to be heated dehumidifying to by the air of described first heat exchange zone effusion.
2. anti-white cigarette plenum ventilation formula cooling tower according to claim 1, it is characterized in that: described air inlet area is connected by outer air air admission unit with described second air inlet of described second heat exchange zone, the air director that described outer air air admission unit includes outer air admission line, be arranged in described air inlet area, the exogenous QI guider between the described air vent being arranged in described second heat exchange zone and described dry heat exchanger, the admission controller that is arranged in described outer air admission line, described admission controller is connected with air door executer.
3. anti-white cigarette plenum ventilation formula cooling tower according to claim 2, it is characterized in that: described first heat exchange zone is additionally provided with filler device, described filler device is positioned at below described spray equipment, the high temperature cooling water out of described dry heat exchanger is provided with high-temperature cooling water outlet header, described high-temperature cooling water outlet header is connected with described spray equipment by connecting tube, described connecting tube is folded upward at, and the height that reaches of bending is more than the place height of described dry heat exchanger.
4. anti-white cigarette plenum ventilation formula cooling tower according to claim 2, it is characterized in that: described first heat exchange zone is additionally provided with dry-and wet-type heat exchanger tube, the cooling fluid issuing of described dry-and wet-type heat exchanger tube and cooling fluid inlet are respectively equipped with cooling fluid outlet header and cooling fluid inlet collector, the high temperature cooling water out of described dry heat exchanger is provided with high-temperature cooling water outlet header, described high-temperature cooling water outlet header is connected with described cooling fluid inlet collector by connecting tube, and described cooling fluid outlet header is provided with cooling fluid temperature (F.T.) detector.
5. the anti-white cigarette plenum ventilation formula cooling tower according to claim 1-4 any one, it is characterized in that: described water leg is additionally provided with coolant outlet, described coolant outlet is connected by pipeline with described spray equipment, described pipeline is provided with water distribution water pump, cooling water circulation the passing in described spray equipment in described water leg to be sprayed.
6. anti-white cigarette plenum ventilation formula cooling tower according to claim 5, it is characterized in that: the described tower body shell being positioned at described second heat exchange zone is shell flange dish, described shell flange is connected with the air vent of described first heat exchange zone by pivot flange dish, and the sidewall of described shell flange is provided with maintenance door；It is provided with water collection device between described air vent and described spray equipment；It is provided with exhaust temperature detectors in described second heat exchange zone；Described dry heat exchanger includes dry type heat exchanger tube and the heat transmission fin being sheathed on described dry type heat exchanger tube.
7. anti-white cigarette plenum ventilation formula cooling tower according to claim 6, it is characterized in that: described fan unit includes blower fan, air duct, air draft flange and the motor driving described blower fan to rotate, described air duct is sheathed on outside blower fan, described motor is connected with described blower fan, the exhaust outlet of described air duct and described air draft Flange joint, and towards described air-deflector, the described tower body shell outside described first air inlet is provided with intake air temperature detector.
8. anti-white cigarette plenum ventilation formula cooling tower according to claim 7, it is characterised in that: described air door executer, described cooling fluid temperature (F.T.) detector, described exhaust temperature detectors and described intake air temperature detector are all connected with anti-white cigarette self-con-tained unit.
9. anti-white cigarette plenum ventilation formula cooling tower according to claim 8, it is characterized in that: described pivot flange dish is that folding scalable slides rail, the outside of described air vent be provided with combine with described air vent in conjunction with ring flange, the both sides of described shell flange dish are fixed with the rail slided, to guarantee that described dry heat exchanger can move horizontally, and it is configured with adjustable jack post offer support and regulable control.
10. anti-white cigarette plenum ventilation formula cooling tower according to claim 9, it is characterised in that: the high temperature cooling water inlet of described dry heat exchanger is connected with cooling water water pump or compressor by high-temperature cooling water inlet header.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620083424.3U CN205383908U (en) | 2016-01-27 | 2016-01-27 | Prevent white cigarette ventilation formula cooling tower of impressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083424.3U CN205383908U (en) | 2016-01-27 | 2016-01-27 | Prevent white cigarette ventilation formula cooling tower of impressing |
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| CN205383908U true CN205383908U (en) | 2016-07-13 |
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| CN201620083424.3U Expired - Fee Related CN205383908U (en) | 2016-01-27 | 2016-01-27 | Prevent white cigarette ventilation formula cooling tower of impressing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976089A (en) * | 2017-11-16 | 2018-05-01 | 江苏海鸥冷却塔股份有限公司 | Dry-wet separation formula fog dispersal water-saving cooling tower |
| CN108253807A (en) * | 2018-02-12 | 2018-07-06 | 绍兴市上虞艾孚通风设备有限公司 | A kind of white cigarette processing unit |
| CN111397394A (en) * | 2020-03-20 | 2020-07-10 | 中国人民解放军火箭军工程设计研究院 | Cooling tower system with white smoke removing function |
| CN112628791A (en) * | 2020-12-11 | 2021-04-09 | 新疆天富环保科技有限公司 | System and method for preheating air supply of boiler by using desulfurization slurry |
| CN113251822A (en) * | 2021-05-12 | 2021-08-13 | 江西方舟流体科技有限公司 | Demisting equipment for cooling tower |
-
2016
- 2016-01-27 CN CN201620083424.3U patent/CN205383908U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976089A (en) * | 2017-11-16 | 2018-05-01 | 江苏海鸥冷却塔股份有限公司 | Dry-wet separation formula fog dispersal water-saving cooling tower |
| TWI678507B (en) * | 2017-11-16 | 2019-12-01 | 太丞股份有限公司 | Dry-wet separation type fog-eliminating water-saving cooling tower |
| CN108253807A (en) * | 2018-02-12 | 2018-07-06 | 绍兴市上虞艾孚通风设备有限公司 | A kind of white cigarette processing unit |
| CN111397394A (en) * | 2020-03-20 | 2020-07-10 | 中国人民解放军火箭军工程设计研究院 | Cooling tower system with white smoke removing function |
| CN112628791A (en) * | 2020-12-11 | 2021-04-09 | 新疆天富环保科技有限公司 | System and method for preheating air supply of boiler by using desulfurization slurry |
| CN113251822A (en) * | 2021-05-12 | 2021-08-13 | 江西方舟流体科技有限公司 | Demisting equipment for cooling tower |
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