The utility model content
The purpose of this utility model is to provide a kind of water/electronic pair of blower fan closed-type negative-pressure evaporative cooling cooling-water machine, adopts closed type structure, has improved the air-conditioning water supply quality; Set structure is compact, has saved floor space; Also improve the efficiency of damp and hot exchanging of evaporative cooling handpiece Water Chilling Units Air-water.
the technical scheme that the utility model adopts is, a kind of water/electronic pair of blower fan closed-type negative-pressure evaporative cooling cooling-water machine, include machine unit shell, machine unit shell all is provided with air inlet on relative two side, middle part in machine unit shell is provided with the direct evaporative cooler with cooling coil, direct evaporative cooler with cooling coil is left, right both sides respectively are symmetrically arranged with one with the standpipe type indirect evaporation cooler of filler, be disposed with filter and aerial cooler between the standpipe type indirect evaporation cooler with filler of each air inlet and homonymy, direct evaporative cooler with cooling coil, two with connecting by pipe network between the standpipe type indirect evaporation cooler of filler and two aerial coolers.
Characteristics of the present utility model also are,
Direct evaporative cooler with cooling coil, include the V-type filler, the arranged on left and right sides of V-type filler respectively is symmetrically arranged with a flow-disturbing impeller, the top of V-type filler is disposed with cooling coil, recirculated water water-distributing device a, water fender a, hydrodynamic draught fan drive unit and two blower fan apparatus, and the bottom of V-type filler is disposed with water sieve a, cyclic water tank a.
The water inlet end of cooling coil is connected with the water supply water pipe, and the water side of cooling coil is connected with the backwater water pipe.
The corresponding machine unit shell of two blower fan apparatus top is provided with exhaust outlet, and two blower fan apparatus include the hydrodynamic draught fan impeller and are arranged at the electric fan a of hydrodynamic draught fan upper impeller.
Standpipe type indirect evaporation cooler with filler, include the vertical pipe type heat-exchanger rig, the top of vertical pipe type heat-exchanger rig is disposed with filler, recirculated water water-distributing device b, water fender b and electric fan b, the bottom of vertical pipe type heat-exchanger rig is disposed with shunting filler, air channel, water sieve b and cyclic water tank b, and the vertical pipe type heat-exchanger rig includes the many vertical heat exchanging pipes that are arranged in parallel.
The corresponding machine unit shell of electric fan b top is provided with exhaust outlet.
Two ends with the water sieve a in the direct evaporative cooler of cooling coil are connected respectively with the water sieve b in the standpipe type indirect evaporation cooler of filler.
With the direct evaporative cooler of cooling coil, two with the pipe network structure between the standpipe type indirect evaporation cooler of filler and two aerial coolers be:
be connected with two aerial coolers by water inlet pipe respectively with the recirculated water water-distributing device a two ends in the direct evaporative cooler of cooling coil, recirculated water water-distributing device b in two standpipe type indirect evaporation coolers with filler all by outlet pipe be connected with the hydrodynamic draught fan drive unit in the direct evaporative cooler of cooling coil, be connected with respectively exit branch a and exit branch b with the cyclic water tank a in the direct evaporative cooler of cooling coil by water pipe, exit branch a and exit branch b are connected each with the aerial cooler of homonymy, two are connected with outlet conduit by exit branch respectively with the cyclic water tank b in the standpipe type indirect evaporation cooler of filler, outlet conduit be connected with the hydrodynamic draught fan drive unit in the direct evaporative cooler of cooling coil, be provided with water circulating pump a on water pipe, be provided with water circulating pump b on outlet conduit.
The beneficial effects of the utility model are:
1. evaporative cooling cooling-water machine of the present utility model adopts the closed type structure design, driving hydrodynamic draught fan by water circulating pump pressure rotates, form two blower fan air drafts with electric fan, the filter that sets gradually at the outdoor air airintake direction, aerial cooler, standpipe type indirect evaporation cooler and flow perturbation fan wheel form the high-drag of outdoor air entrance, the high blast that makes two blower fans causes certain subnormal ambient in the packing area at unit middle part, between hydrone, gravitation reduces under subnormal ambient, more be conducive to the moisture evaporation and heat-exchange, improve heat exchange efficiency, the leaving water temperature of reduction unit that can be to a certain degree, the closed type structure that adopts simultaneously also has certain guarantee to the air-conditioning water supply quality, extend air conditioning terminal service life.
2. evaporative cooling cooling-water machine of the present utility model adopts the flow-disturbing impeller to processing through the air after aerial cooler and standpipe type indirect evaporation cooler precooling, make the wet exchange of heat of air water in negative pressuren zone more abundant, unit cyclic water tank top arranges screen pack simultaneously, recirculated water is filtered, impurity in the water of minimizing recirculated water guarantees spraying effect.
3. evaporative cooling cooling-water machine of the present utility model adopts standpipe type indirect evaporation cooler, make outdoor air through outside the standpipe type indirect evaporation cooler pipe, resistance is than improving by the pipe internal resistance, formation to V-type packing area subnormal ambient in the middle of the evaporative cooling handpiece Water Chilling Units has certain effect, use simultaneously standpipe type indirect evaporation cooler, can to a certain degree reduce the volume of evaporative cooling handpiece Water Chilling Units.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
closed-type negative-pressure evaporative cooling cooling-water machine of the present utility model, its structure as shown in Figure 1, include machine unit shell, machine unit shell all is provided with air inlet 23 on relative two side, middle part in machine unit shell is provided with the direct evaporative cooler with cooling coil, direct evaporative cooler with cooling coil is left, right both sides respectively are symmetrically arranged with one with the standpipe type indirect evaporation cooler of filler, be disposed with filter 6 and aerial cooler 7 between the standpipe type indirect evaporation cooler with filler of each air inlet 23 and homonymy, direct evaporative cooler with cooling coil, two with connecting by pipe network between the standpipe type indirect evaporation cooler of filler and two aerial coolers 7.
Direct evaporative cooler with cooling coil, its structure as shown in Figure 1, include V-type filler 22, the arranged on left and right sides of V-type filler 22 respectively is symmetrically arranged with a flow-disturbing impeller 18, the top of V-type filler 22 is disposed with cooling coil 12, recirculated water water-distributing device a16, water fender a15, hydrodynamic draught fan drive unit 25 and two blower fan apparatus, and the bottom of V-type filler 22 is disposed with water sieve a4, cyclic water tank a2.
The water inlet end of cooling coil 12 is connected with water supply water pipe 20, and the water side of cooling coil 12 is connected with backwater water pipe 21; The corresponding machine unit shell of two blower fan apparatus top is provided with exhaust outlet; Two blower fan apparatus include hydrodynamic draught fan impeller 14 and are arranged at the electric fan a13 on hydrodynamic draught fan impeller 14 tops.
Standpipe type indirect evaporation cooler with filler, its structure as shown in Figure 1, include vertical pipe type heat-exchanger rig 8, the top of vertical pipe type heat-exchanger rig 8 is disposed with filler 9, recirculated water water-distributing device b17, water fender b10 and electric fan b11, and the bottom of vertical pipe type heat-exchanger rig 8 is disposed with shunting filler 19, air channel, water sieve b24 and cyclic water tank b5.Vertical pipe type heat-exchanger rig 8 includes the many vertical heat exchanging pipes that are arranged in parallel.The corresponding machine unit shell of electric fan b11 top is provided with exhaust outlet.
Two ends with the water sieve a4 in the direct evaporative cooler of cooling coil are connected respectively with the water sieve b24 in the standpipe type indirect evaporation cooler of filler.
With the direct evaporative cooler of cooling coil, two with the pipe network structure between the standpipe type indirect evaporation cooler of filler and two aerial coolers 7 be:
be connected with two aerial coolers 7 by water inlet pipe respectively with the recirculated water water-distributing device a16 two ends in the direct evaporative cooler of cooling coil, recirculated water water-distributing device b17 in two standpipe type indirect evaporation coolers with filler all by outlet pipe be connected with the hydrodynamic draught fan drive unit 25 in the direct evaporative cooler of cooling coil, be connected with respectively exit branch a27 and exit branch b28 with the cyclic water tank a2 in the direct evaporative cooler of cooling coil by water pipe 26, exit branch a27 and exit branch b28 are connected each with the aerial cooler 7 of homonymy, two are connected with outlet conduit 29 by exit branch respectively with the cyclic water tank b5 in the standpipe type indirect evaporation cooler of filler, outlet conduit 29 be connected with the hydrodynamic draught fan drive unit 5 in the direct evaporative cooler of cooling coil, be provided with water circulating pump a1 on water pipe 26, be provided with water circulating pump b3 on outlet conduit 29.
closed-type negative-pressure evaporative cooling cooling-water machine of the present utility model, hydrodynamic draught fan impeller 14 forms two blower fan structures with electric fan a13, primary air is sucked in machine unit shell, primary air is first through after filtering, by aerial cooler 7 precoolings, process is with after the further precooling of the standpipe type indirect evaporation cooler of filler again, flowed by 18 disturbances of flow-disturbing impeller and enter into the middle V-type filler 22 of putting into of machine unit shell, primary air and trickle carry out the wet exchange of heat on V-type filler 22, pass through again cooling coil 12, carry out Exchange of apparent heat with cooling coil 12 medium, discharge machine unit shell by two blower fan apparatus at last.And after 6 filtrations of auxiliary air process filter, again through entered the bottom of vertical pipe type heat-exchanger rig 8 after aerial cooler 7 precoolings by the air inlet 23 of machine unit shell both sides, enter in the vertical heat exchanging pipe after 19 shuntings of shunting filler, carry out discharging machine unit shell through electric fan b11 after the wet exchange of heat with trickle.
The specific works process of the utility model closed-type negative-pressure evaporative cooling cooling-water machine wind system and water system is as follows:
1. the wind system course of work:
(1) primary air system:
After primary air filters by filter 6, through aerial cooler 7 precoolings, enter with carrying out further precooling in the standpipe type indirect evaporation cooler of filler, after turbulence blades 18 flow-disturbings, enter in the direct evaporative cooler with cooling coil, carry out the wet exchange of heat on V-type filler 22 with in trickle, primary air after the wet exchange of heat passes through cooling coil 12 again, and is hydrodynamic draught fan impeller 14 and the electric fan a13 discharge machine unit shell that jointly cooperates by two blower fan apparatus after the interior medium of cooling coil 12 carries out Exchange of apparent heat.
(2) secondary air system:
Auxiliary air filters by air cleaner 6, auxiliary air after filtration passes through the further precooling of carrying out of aerial cooler 7 again, enter the bottom of vertical pipe type heat-exchanger rig 8, through shunting filler 19 shunting auxiliary airs, enter again in the vertical heat exchanging pipe of vertical pipe type heat-exchanger rig 8, carry out discharging machine unit shell by electric fan b11 through exhaust outlet after the wet exchange of heat with trickle.
2. the water system course of work:
(1) with the course of work of recirculated water in the standpipe type indirect evaporation cooler of filler:
Recirculated water in auxiliary air side cyclic water tank b5, deliver to hydrodynamic draught fan impeller 14 places by water circulating pump b3, utilize the overbottom pressure of recirculated water to drive 14 rotations of hydrodynamic draught fan impeller, under being drenched by both sides recirculated water water-distributing device b17 in machine unit shell again, 9 places produce the wet exchange of heat at filler, then spray is in the vertical heat exchanging pipe of vertical pipe type heat-exchanger rig 8, after carrying out that heat is wet and exchange with from bottom to top auxiliary air, trickle drops into cyclic water tank b5 after filtering through water sieve b24, completes circulation.
(2) with the course of work of recirculated water in the direct evaporative cooler of cooling coil:
Recirculated water in cyclic water tank a2 is sent in the aerial cooler 7 of both sides in machine unit shell by water circulating pump a1, the precooling primary air, return cooling coil 12 tops recirculated water water-distributing device a16 spray and under, with primary air wet exchange of heat outside cooling coil 12 pipes from bottom to top, carry out Exchange of apparent heat with the cooling coil 12 interior media of pipe simultaneously, trickle after the wet exchange of heat falls on machine unit shell middle part V-type filler 22, carry out the wet exchange of heat with primary air, fall in cyclic water tank a2 after filtering through water sieve a4 more at last, complete circulation.
(3) the high temperature cold water course of work:
Air-conditioning system backwater water pipe 21 enters into cooling coil 12 water sides in machine unit shell, carries out that the wet exchange of heat is cooling delivers to air conditioning terminal by water supply water pipe 20 through the air-conditioning system water supply pump afterwards.
Recirculated water in the utility model closed-type negative-pressure evaporative cooling cooling-water machine in the application cycle water tank, and under the driving of water circulating pump, drive the hydrodynamic draught fan wheel rotation with circulating water excess pressure, form two blower fan structures with electric fan a13, improved blast, can also be at the V-type filler 22 places formation negative pressuren zone at machine unit shell center; In subnormal ambient, after the air heat passes to recirculated water, air themperature reduces, under the impact of negative pressure kinetic energy, between hydrone, gravitation reduces, and more is of value to the evaporation of moisture, along with the temperature reduction of recirculated water, the temperature of air is also reducing, the efficient of the wet exchange of raising aqueous vapor heat that can be to a certain degree.
press the mobile direction of primary air, pass through successively filter 6, aerial cooler 7, standpipe type indirect evaporation cooler and 18 4 parts of flow-disturbing impeller with filler, the resistance that forms is under the upper air draft effect of two blower fan apparatus, make formation subnormal ambient in V-type filler 22 places that arrange in the middle of machine unit shell, pass through simultaneously the effect of flow-disturbing impeller 18, when the increase primary air flows through resistance, primary air is produced the effect of flow-disturbing, make wet exchange more abundant of primary air and shower water heat on V-type filler 22, improved the efficient of whole evaporative cooling handpiece Water Chilling Units with this.Wherein, the primary air after heat exchange on the V-type filler 22 of subnormal ambient and cooling coil 12 carry out Exchange of apparent heat, reach the purpose that reduces cooling coil 12 medium, and the primary air after heat exchange is discharged outside machine unit shell by two blower fan apparatus.
The evaporative cooling cooling-water machine adopts the enclosed form, and cooling coil 12 medium are only carried out Exchange of apparent heat, is bringing into play certain effect aspect protection air-conditioning system water supply quality amount.All be provided with water sieve on each cyclic water tank top at the same time, can carry out certain filtration to impurity in the trickle after the wet exchange of heat, impurity in can minimizing recirculated water to a certain degree, improve the clean-up performance of recirculated water, reduce aerial cooler and circulation water-distributing device and the situation that impurity stops up occurs, thereby improve the quality of spray.
Closed-type negative-pressure evaporative cooling cooling-water machine of the present utility model has obvious advantage:
(1) improved the efficiency of damp and hot exchanging of evaporative cooling handpiece Water Chilling Units hollow air water, make its leaving water temperature that further reduction be arranged, high temperature cold water can be more effectively produced, particularly under the certain condition of outdoor weather condition, comparatively satisfied evaporative cooling handpiece Water Chilling Units leaving water temperature can be obtained.
(2) adopt closed type structure, more be conducive to the formation of negative pressuren zone, compare the wet exchange process of heat of traditional evaporative cooling handpiece Water Chilling Units, carry out the wet exchange of heat under the environment of negative pressure, raising efficiency of damp and hot exchanging that can be to a certain degree, further improve the efficient of evaporative cooling handpiece Water Chilling Units, closed type structure assurance to a certain degree simultaneously evaporative cooling handpiece Water Chilling Units water supply quality.
(3) employing is with the standpipe type indirect evaporation cooler of filler, make the structure of whole evaporative cooling handpiece Water Chilling Units more compact, compare the set-up mode of tube type indirect evaporative cooler, can to a certain degree reduce the volume of evaporative cooling handpiece Water Chilling Units, simultaneously primary air greater than through the resistance in pipe, more is conducive to the formation of V-type packing area subnormal ambient in the middle of the evaporative cooling handpiece Water Chilling Units through the outer resistance of pipe.