The pre-cold mould enclosed of band surface cooler evaporative cooling handpiece Water Chilling Units
Technical field
The utility model belongs to air conditioner technical field, relates to the pre-cold mould enclosed of a kind of band surface cooler evaporative cooling handpiece Water Chilling Units, is specifically related to a kind of evaporative cooling handpiece Water Chilling Units be comprised of surface cooler, enclosed evaporative cooling coil device.
Background technology
Along with the development of Evaporative Cooling Air Conditioning technology and deeply, the evaporative cooling handpiece Water Chilling Units of various ways is arisen at the historic moment, and is bringing into play good energy-conservation and environmental-protection function in actual engineering.Yet, the evaporative cooling handpiece Water Chilling Units nowadays come into operation mostly is open water system, produce process in high temperature cold water, water directly contacts with air, due to air many times in a little deficiency aspect cleanliness factor, dirt and impurity that the high temperature cold water that causes producing out contains are more, and this can cause the filling surface fouling and affect the problems such as heat exchange, the regional representation that this is serious at dust and sand more obvious.This class unit profile is comparatively huge in addition, gives the transportation of equipment and installs and all bring a lot of inconvenience.The problem of above existence is all further applied the generation negative influence to the evaporative cooling handpiece Water Chilling Units.
These problems based on existing in practical application, on the basis of existing evaporative cooling handpiece Water Chilling Units, set structure is improved, a kind of evaporative cooling handpiece Water Chilling Units that adopts closed Water System is proposed, this set structure compactness, have good facilitation to the evaporation cooling high-temperature handpiece Water Chilling Units in wider promotion and application.
Summary of the invention
The purpose of this utility model is to provide the pre-cold mould enclosed of a kind of band surface cooler evaporative cooling handpiece Water Chilling Units, adopts closed Water System, has solved the poor problem of high temperature cold water water quality that existing open water system is produced, and has effectively improved heat exchange efficiency.
The technical scheme that the utility model adopts is, the pre-cold mould enclosed of band surface cooler evaporative cooling handpiece Water Chilling Units, include machine unit shell, be provided with enclosed evaporative cooling coil device in machine unit shell, the top of enclosed evaporative cooling coil device is disposed with water fender, blower fan, be provided with exhaust outlet on the roof of the corresponding machine unit shell of blower fan, the bilateral symmetry of enclosed evaporative cooling coil device bottom is provided with surface cooler a, surface cooler b, the outer setting of machine unit shell has air conditioning terminal, enclosed evaporative cooling coil device, surface cooler a, between surface cooler b and air conditioning terminal, by pipe network, connect.
Characteristics of the present utility model also are,
The structure of enclosed evaporative cooling coil device is: include the evaporative cooling coil pipe, the top of evaporative cooling coil pipe is disposed with filler, water-locator, the bottom of evaporative cooling coil pipe is disposed with deflector, air channel and open tank, open tank is communicated with water-locator by water pipe, is provided with water pump a on water pipe.
The upper end of evaporative cooling coil pipe is water inlet end, and the lower end of evaporative cooling coil pipe is water side.
Surface cooler a and surface cooler b adopt horizontal surface cooler, and the structure of horizontal surface cooler is: include cooler, on machine unit shell corresponding to the top of cooler, be provided with air inlet, between cooler and air inlet, be provided with air cleaner.
Surface cooler a and surface cooler b are symmetricly set in the two ends of deflector.
Surface cooler a and surface cooler b adopt vertical surface cooler, and the structure of vertical surface cooler is: include cooler, on the corresponding machine unit shell in cooler side, be provided with air inlet, between air inlet and cooler, be provided with air cleaner.
Surface cooler a and surface cooler b are symmetricly set in the both sides, air channel.
Pipe network structure between enclosed evaporative cooling coil device, surface cooler a, surface cooler b and air conditioning terminal is: in enclosed evaporative cooling coil device, the water side of evaporative cooling coil pipe is connected with outlet pipe, be provided with water pump b on outlet pipe, the outlet pipe other end is connected with tube connector, and the tube connector other end is connected with respectively water pipe G
1, water pipe G
2, water pipe G
3, water pipe G
1With surface cooler, a is connected, water pipe G
2By water pipe G
8With surface cooler, b is connected, water pipe G
3With air conditioning terminal, be connected, air conditioning terminal is by water pipe G
4, water inlet pipe is connected with the water inlet end of evaporative cooling coil pipe, surface cooler a is by water pipe G
5, water pipe G
6With water inlet pipe, be connected, surface cooler b is by water pipe G
7With water inlet pipe, be connected.
The beneficial effects of the utility model are,
1) the pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units is placed in cold water in enclosed evaporative cooling coil pipe, cold water does not directly contact with air, but carry out indirect heat exchange through tube wall and the moisture film of pipe outer cladding, thereby alleviated the poor problem of high temperature cold water water quality of producing, the impact of simultaneously having avoided open system filling surface structure heat exchanging efficiency to cause.
2) band surface cooler of the present utility model pre-cold mould enclosed evaporative cooling handpiece Water Chilling Units arranges surface cooler after the air roughing efficiency air filter, to wet coolings such as outdoor air carry out, thereby can produce the inferior wet-bulb temperature high temperature cold water lower than outdoor air wet bulb temperature.
3) the pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units arranges filler in enclosed evaporative cooling coil pipe top, water-locator bottom, extend the time of contact of air water, increase gas-water contact area, thereby effectively trickle is carried out to precooling, filler makes water distribution even simultaneously, mixing wastewater with air is abundant, improves the caloic exchange efficiency.
4) the pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units arranges deflector in enclosed evaporative cooling coil pipe bottom, and air is carried out to current-sharing, makes the air at the evaporative cooling coil pipe evenly mix with water, improves efficiency of damp and hot exchanging.
The accompanying drawing explanation
Fig. 1 is the structural representation that the utility model band surface cooler pre-cold mould enclosed evaporative cooling handpiece Water Chilling Units adopts horizontal surface cooler embodiment;
Fig. 2 is the structural representation that adopts vertical surface cooler embodiment with surface cooler pre-cold mould enclosed evaporative cooling handpiece Water Chilling Units of the present utility model.
In figure, 1. water pump a, 2. water pump b, 3. surface cooler a, 4. air cleaner, 5. evaporative cooling coil pipe, 6. filler, 7. blower fan, 8. water fender, 9. water-locator, 10. deflector, 11. air conditioning terminals, 12. open tank, 13. surface cooler b, 14. outlet pipes, 15. water inlet pipes, 16. tube connectors.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units, include machine unit shell, be provided with enclosed evaporative cooling coil device in machine unit shell, the top of enclosed evaporative cooling coil device is disposed with water fender 8, blower fan 7, be provided with exhaust outlet on the roof of blower fan 7 corresponding machine unit shells, the bilateral symmetry of enclosed evaporative cooling coil device bottom is provided with surface cooler a3, surface cooler b13, the outer setting of machine unit shell has air conditioning terminal 11, enclosed evaporative cooling coil device, surface cooler a3, between surface cooler b13 and air conditioning terminal 11, by pipe network, connect.
The structure of enclosed evaporative cooling coil device is: include evaporative cooling coil pipe 5, the top of evaporative cooling coil pipe 5 is disposed with filler 6, water-locator 9, the bottom of evaporative cooling coil pipe 5 is disposed with deflector 10, air channel, open tank 12, open tank 12 is communicated with water-locator 9 by water pipe, is provided with water pump a1 on water pipe.
The upper end of evaporative cooling coil pipe 5 is water inlet end, and the lower end of evaporative cooling coil pipe 5 is water side.
The utility model provides following two kinds of embodiment:
Surface cooler a3 and surface cooler b13 adopt horizontal surface cooler, its structure as shown in Figure 1, the structure of horizontal surface cooler is: include cooler, on machine unit shell corresponding to the top of cooler, be provided with air inlet, be provided with air cleaner 4 between cooler and air inlet.
Surface cooler a3 and surface cooler b13 are symmetricly set in the two ends of deflector 10.
Surface cooler a3 and surface cooler b13 adopt vertical surface cooler, its structure as shown in Figure 2, the structure of vertical surface cooler is: include cooler, on the corresponding machine unit shell in cooler side, be provided with air inlet, be provided with air cleaner 4 between air inlet and cooler.
Surface cooler a3 and surface cooler b13 are symmetricly set in the both sides, air channel.
As shown in Figures 1 and 2, pipe network structure between enclosed evaporative cooling coil device, surface cooler a3, surface cooler b13 and air conditioning terminal 11 is: in enclosed evaporative cooling coil device, the water side of evaporative cooling coil pipe 5 is connected with outlet pipe 14, be provided with water pump b2 on outlet pipe 14, outlet pipe 14 other ends are connected with tube connector 16, and tube connector 16 other ends are connected with respectively water pipe G
1, water pipe G
2, water pipe G
3, water pipe G
1With surface cooler, a3 is connected, water pipe G
2By water pipe G
8With surface cooler, b13 is connected, water pipe G
3With air conditioning terminal 11, be connected, air conditioning terminal 11 is by water pipe G
4, water inlet pipe 15 is connected with the water inlet end of evaporative cooling coil pipe 5, surface cooler a3 is by water pipe G
5, water pipe G
6With water inlet pipe 15, be connected, surface cooler b13 is by water pipe G
7With water inlet pipe 15, be connected.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units operation principle:
Outside air is entered in machine unit shell by two air inlets, first translateral air roughing efficiency air filter 4 filters, flow again precooling in translateral surface cooler a3 and surface cooler b13, air after precooling carries out current-sharing through deflector 10, then enter in enclosed evaporative cooling coil device, carry out the caloic exchange with the shower water moisture film of evaporative cooling coil pipe 5 outer claddings, the interior water of evaporative cooling coil pipe 5 is carried out to the indirect heat exchange cooling simultaneously, leave humid air stream after evaporative cooling coil pipe 5 through filler 6, water-locator 9 carries out precooling to its trickle, again through water fender 8, last blower fan 7 is discharged, the evaporative cooling coil pipe 5 interior cold water that complete cooling are delivered to air conditioning terminal 11 by pipe network and carry out cooling.
Wherein, deflector 10 can carry out current-sharing to air, and air is evenly mixed with water, improves refrigerating efficiency.The pre-cold filling 6 of shower water is set between evaporative cooling coil pipe 5 and water-locator 9, can extends humid air and recirculated water time of contact, increase gas-water contact area, and water distribution uniformity, refrigerating efficiency improved.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units adopts closed system, and cold water is interior mobile at evaporative cooling coil pipe 5, by tube wall and the moisture film of pipe outer cladding, carries out indirect heat exchange, greatly reduces the generation of cold water dirt.
The wind system course of work with the pre-cold mould enclosed of surface cooler evaporative cooling handpiece Water Chilling Units of the present utility model:
Outside air is entered in machine unit shell by the both sides air inlet, first the air cleaner 4 by both sides filters, then enter surface cooler a3 and surface cooler b13 carries out precooling, precooling process such as is at the wet temperature-fall period, air after precooling carries out the wet exchange cooling of heat with the saturated moist air on open tank 12 tops in flow process, flow through again after deflector 10 current-sharings, entering evaporative cooling coil pipe 5 directly contacts and carries out the caloic exchange with the recirculated water moisture film of pipe outer cladding, and evaporative cooling coil pipe 5 inner cold waters are carried out to indirect heat exchange, complete the humid air stream of heat exchange through filler 6, carry out precooling by 9 pairs of recirculated waters of water-locator, through water fender 8, process again, finally by blower fan 7, discharged.
The pre-cold mould enclosed of band surface cooler of the present utility model evaporative cooling handpiece Water Chilling Units water system workflow:
(1) circulation:
Recirculated water in open tank 12 through water pump a1 and water pipe, carry out the caloic exchange in filler 6 surface with humid air and carry out precooling by spraying by water-locator 9, recirculated water after precooling is drenched to evaporative cooling coil pipe 5 by 6 of fillers, and be coated on the coil pipe outer wall and form the sealing moisture film, continue to carry out the caloic exchange with humid air simultaneously, and with evaporative cooling coil pipe 5 in cold water generation indirect heat exchange, get back in open tank 12 repetitive cycling finally by deflector 10.
(2) high temperature cold water water system:
Interior the produced high temperature cold water of evaporative cooling coil pipe 5 is divided into two parts after water pump b2, and a part enters surface cooler a3 and the surface cooler b13 in machine unit shell, and outdoor air is carried out to precooling; Another part is delivered to air conditioning terminal 11 through pipe network and is carried out heat exchange; The high temperature cold water that completes precooling in surface cooler a3 and surface cooler b13 after pipe network mixes, is delivered to the water inlet end of evaporative cooling coil pipe 5 with the high temperature cold water that completes heat exchange in air conditioning terminal 11, complete the exchange heat cooling in evaporative cooling coil pipe 5 after, and repetitive cycling.