CN103574964A - Air conditioning unit with filler coupling coiler evaporative condenser - Google Patents
Air conditioning unit with filler coupling coiler evaporative condenser Download PDFInfo
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- CN103574964A CN103574964A CN201210254000.5A CN201210254000A CN103574964A CN 103574964 A CN103574964 A CN 103574964A CN 201210254000 A CN201210254000 A CN 201210254000A CN 103574964 A CN103574964 A CN 103574964A
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- Prior art keywords
- air
- conditioning unit
- heat exchanger
- evaporative condenser
- valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
- F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/041—Details of condensers of evaporative condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/007—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
- F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
- F28F25/087—Vertical or inclined sheets; Supports or spacers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
Abstract
The invention provides an air conditioning unit with a filler coupling coiler evaporative condenser. The air conditioning unit comprises a compressor, the evaporative condenser, a throttling device, an evaporator and a fan. The evaporative condenser comprises a coiler heat exchanger, a cooling fan, a water distributing device and a water collecting tank. The coiler heat exchanger is formed by connecting a plurality of heat exchanging pipe sheets through inlet collectors and outlet collectors. The heat exchanging pipe sheets comprise coilers and fillers. Each coiler is provided with at least one piece of filler for guiding spraying cooling water to flow from an upper layer of heat exchanging pipes to a lower layer of the heat exchanging pipes. The coilers are arranged vertically, namely cooling air blown in from the fan flows along the approximate length direction of straight pipe sections of the coilers. The air conditioning unit can reduce cooling coiler cooling water temperature and improve cooling coiler cooling water distributing and covering rate, has the advantage of high heat transfer efficiency and is wide in application range and good in market prospects.
Description
Technical field
The present invention relates to air-conditioning equipment field, particularly a kind of air-conditioning unit of coil pipe evaporative condenser.
Background technology
Adopting evaporative condenser to heat release in outdoor air and be applied in air-conditioning unit, is to realize important channel efficient, stable refrigeration, compares with air cooled condenser with water cooled condenser, and its heat exchange efficiency is high, has significant energy-saving and emission-reduction prospect.On present stage market, in air-conditioning unit, evaporative condenser coil pipe used is horizontal coil pipe, cooling by adopting shower water to carry out to coil pipe outer surface, and utilizes the shower water of circulation to make air evaporation take away heat.Because cooling air is to (being that cooling air passes from each formed plane space in heat exchange section of jurisdiction perpendicular to coil pipe, and vertical with the straight length of heat exchanger tube), can there is windward side and lee face in coil pipe, at lee face, lack cross-ventilation heat exchange, reduced coil heat exchange efficiency.On the other hand, because laterally coil pipe effective heat exchange area is little, coil lengths is joined by institute to be needed to strengthen, and because dislocation between the tube and tube of the horizontal coil pipe of tradition arranges there is no the operating space of mechanical cleaning, also has difficult shortcoming of cleaning simultaneously.Therefore, laterally the deficiency of coil pipe has greatly limited the application of evaporative condenser in air-conditioning unit.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, provide a kind of air-conditioning unit with filler coupling coil pipe evaporative condenser, to improve heat exchange efficiency.
Object of the present invention is achieved through the following technical solutions:
An air-conditioning unit for filler coupling coil pipe evaporative condenser, comprises compressor, evaporative condenser, throttling arrangement, evaporimeter and blower fan, and described evaporative condenser comprises coil heat exchanger, cooling blower, water-locator and collecting-tank; Described coil heat exchanger is connected to form by inlet header and outlet header by a plurality of heat exchange section of jurisdiction; Described heat exchange section of jurisdiction comprises coil pipe and filler, and described coil pipe is provided with at least a slice for guiding spraying cooling water to flow to the filler of lower floor's heat exchanger tube from upper strata heat exchanger tube.
Preferably, described coil pipe longitudinally arranges, and the cooling air that described blower fan is blown into flows along the substantial distance direction of the straight length of described coil pipe;
Further, the heat exchanger tube S shape of described coil pipe bending; Described filler is arranged between adjacent described heat exchanger tube, with continuous flow plane that described heat exchanger tube is joined together.
Further, the straight length of adjacent described heat exchanger tube is parallel to each other, and the tube pitch of the straight length of adjacent described heat exchanger tube is identical, or tube pitch from be positioned at the upper strata of first accepting spraying cooling water to accept spraying cooling water lower floor diminish gradually.
Preferably, the straight length of described heat exchanger tube have along liquid in pipe flow direction to descending slope.
Also selectively, the length of the straight length of described heat exchanger tube from be positioned at the upper strata of first accepting cool water shower to accept spraying cooling water lower floor increase gradually.
Further, also can select, the heat exchanger tube S shape bending of described coil pipe, described in one or more pieces, filler is arranged in the plane space of described heat exchanger tube formation, and cooperatively interact affixedly with described heat exchanger tube, be covered in continuously at least a portion surface of a plurality of described heat exchanger tubes.
Further, the exhaust outlet of described compressor is connected with the flue of evaporative condenser, the liquid line of evaporative condenser is connected with the liquid line of evaporimeter by throttling arrangement, and the flue of evaporimeter is connected with the air entry of compressor, and described air-conditioning unit has kind of refrigeration cycle pattern; Described evaporative condenser is one or more parallel connections.
Selectively, the exhaust outlet of described compressor is connected with the flue of evaporative condenser, the liquid line of evaporative condenser is connected with the liquid line of evaporimeter by throttling arrangement, the flue of evaporimeter is connected with the air entry of compressor, so air-conditioning unit has kind of refrigeration cycle pattern and heat pump cycle pattern; Described air-conditioning unit is provided with the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve; The first refrigeration valve is arranged on the connecting line of the exhaust outlet of compressor and the flue of evaporative condenser, the second refrigeration valve is arranged on the connecting line of the air entry of compressor and the flue of evaporimeter, the first heat pump valve is arranged on the connecting line of the exhaust outlet of compressor and the flue of evaporimeter, and the second heat pump valve is arranged on the connecting line of the air entry of compressor and the flue of evaporative condenser.
Selectively, the exhaust outlet of described compressor is provided with the first reversal valve, and the air entry of compressor is provided with the second reversal valve; Two outlets of the first reversal valve are connected with the flue of evaporative condenser and the flue of evaporimeter respectively, and two imports of the second reversal valve are connected with the flue of evaporative condenser and the flue of evaporimeter respectively; Described the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve adopt motor-driven valve or hand-operated valve; Described the first reversal valve and the second reversal valve are electronic or pneumatic two position three way directional control valve.
Selectively, described air-conditioning unit is provided with four-way change-over valve, four interfaces of four-way change-over valve respectively with the flue of exhaust outlet of compressor, evaporative condenser, the air entry of the flue of evaporimeter and compressor be connected.
Selectively, described air-conditioning unit is set to split type or multi-connected machine pattern.
Operation principle of the present invention: when kind of refrigeration cycle pattern, cold-producing medium enters evaporative condenser by refrigeration system pipeline while becoming the gas of high-temperature high-pressure state after compressor compression, after evaporative condenser, the gas of high-temperature high-pressure state is cooled into cryogenic high pressure liquid, and enter in evaporimeter and carry out heat exchange with air through throttling arrangement formation low-temp low-pressure liquid, produce cold wind, then refrigerant liquid carburation by evaporation being siphoned away by compressor in evaporimeter, completes kind of refrigeration cycle pattern; When heat pump cycle pattern, cold-producing medium enters evaporimeter by refrigeration system pipeline while becoming the gas of high-temperature high-pressure state after compressor compression, carry out heat exchange with air, produce hot blast, meanwhile, the gas of high-temperature high-pressure state is cooled into cryogenic high pressure liquid, and enters evaporative condenser through throttling arrangement formation low-temp low-pressure liquid, then refrigerant liquid carburation by evaporation being siphoned away by compressor in evaporative condenser, completes heat pump cycle pattern.
The present invention has following advantage and effect with respect to prior art:
1, the present invention adopts filler coupling serpentine coil evaporative condenser, replaces traditional air-cooled and water-cooling pattern, can further improve heat exchange efficiency;
2, adopting longitudinal coil pipe, to consistent with coil lengths direction, there is not windward side and lee face in cooling air, reduces heat exchange coil surface windward side, lee face and does, and reduces heat exchange coil fouling risk;
3, longitudinally coil pipe two ends elbow is placed in air-flow and cooling water is sowed in space, improves coil pipe and effectively utilizes area;
4, use this evaporative condenser easily clean, safeguard more for convenience, use cost is lower;
5, this evaporative condenser adopts filler longitudinal serpentine coil that is coupled, make cooling water flow guiding at filler behind heat exchanger tube surface, upper strata dirty in lower floor's heat exchanger tube surface, realize guiding and broadcast water, reduce cooling water in the stop of heat exchanger tube bottom, reduce the phenomenon that cooling water drifts about backward or flies water under the blowing of cooling-air, increase cooling water evaporation heat transfer sheet area simultaneously, reach the effect that improves heat exchange efficiency, reduces heat exchanger tube use amount.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the kind of refrigeration cycle pattern of air-conditioning unit of the present invention;
Fig. 2 is the principle schematic of air-conditioning unit of the present invention;
Fig. 3 is the principle schematic of the heat pump cycle pattern of air-conditioning unit of the present invention;
Fig. 4 is the principle schematic that air-conditioning unit of the present invention adopts a plurality of evaporimeter parallel connections;
Fig. 5 is the principle schematic that air-conditioning unit of the present invention adopts two position three way directional control valve;
Fig. 6 is the principle schematic that air-conditioning unit of the present invention adopts four-way change-over valve;
Fig. 7 is the structural representation of evaporative condenser embodiment mono-of the present invention;
Fig. 8 is the A-A partial cutaway schematic of evaporative condenser of the present invention; In figure, can show the structure of heat exchanger;
Fig. 9 is the structural representation of the heat exchange section of jurisdiction in evaporative condenser embodiment mono-of the present invention;
Figure 10 is the cutaway view of the heat exchange section of jurisdiction in evaporative condenser embodiment mono-of the present invention; Analyse and observe direction corresponding to the A-A of Fig. 9 to;
Figure 11 is the cutaway view of another kind of heat exchange section of jurisdiction in evaporative condenser embodiment mono-of the present invention; Analyse and observe direction corresponding to the A-A of Fig. 9 to;
Figure 12 is the structural representation of evaporative condenser embodiment bis-of the present invention;
Figure 13 is the structural representation of the heat exchange section of jurisdiction in evaporative condenser embodiment bis-of the present invention;
Figure 14 is that the A-A of the section of jurisdiction of heat exchange shown in Fig. 7 is to cutaway view;
Figure 15 is the another kind of structural representation of the coil pipe of evaporative condenser of the present invention;
Figure 16 is the another kind of structural representation of the coil pipe of evaporative condenser of the present invention;
Figure 17 is the generalized section of evaporative condenser embodiment tri-of the present invention;
Figure 18 is that the present invention is placed on condenser fan the structural representation of heat exchanger front portion;
Figure 19 is that the present invention is by the vertical structural representation of placing of condenser fan;
Figure 20 is the structural representation that the present invention vertically places condenser fan and adopt two group heat exchangers;
Figure 21 is another structural representation that the present invention vertically places condenser fan and adopt two group heat exchangers.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Fig. 1 shows the principle schematic of the kind of refrigeration cycle pattern of air-conditioning unit of the present invention, and as seen from Figure 1, this air-conditioning unit comprises compressor 1, evaporative condenser 2, throttling arrangement 3, evaporimeter 4 and blower fan 5; The exhaust outlet 8 of described compressor is connected with the flue 2a of evaporative condenser, and the liquid line 2b of evaporative condenser is connected with the liquid line 4a of evaporimeter by throttling arrangement, and the flue 4b of evaporimeter is connected with the air entry 9 of compressor.This evaporative condenser 2 has adopted the coil pipe of longitudinal setting of filler coupling, at this, is not first described in detail.
Operation principle of the present invention: cold-producing medium enters evaporative condenser 2 by refrigeration system pipeline while becoming the gas of high-temperature high-pressure state after compressor 1 compression, after evaporative condenser 2, the gas of high-temperature high-pressure state is cooled into cryogenic high pressure liquid, and enter in evaporimeter 4 and carry out heat exchange with air through throttling arrangement 3 formation low-temp low-pressure liquid, produce cold wind, then refrigerant liquid carburation by evaporation being siphoned away by compressor 1 in evaporimeter 4, completes kind of refrigeration cycle pattern.
Fig. 2 shows the principle schematic of air-conditioning unit of the present invention, compares with embodiment 1, and its difference is, described air-conditioning unit is provided with the first refrigeration valve 10, the second refrigeration valve 11, the first heat pump valve 12 and the second heat pump valve 13; The first refrigeration valve 10 is arranged on the exhaust outlet 8 of compressor and the connecting line of the flue 2a of evaporative condenser, the second refrigeration valve 11 is arranged on the air entry 9 of compressor and the connecting line of the flue 4b of evaporimeter, the first heat pump valve 12 is arranged on the exhaust outlet 8 of compressor and the connecting line of the flue 4b of evaporimeter, and the second heat pump valve 13 is arranged on the air entry 9 of compressor and the connecting line of the flue 2a of evaporative condenser.So air-conditioning unit has kind of refrigeration cycle pattern and heat pump cycle pattern.Equally, this evaporative condenser 2 has adopted the coil pipe of longitudinal setting of filler coupling.
Operation principle of the present invention: when heat pump cycle pattern, as shown in Figure 3, now open the first heat pump valve 12 and the second heat pump valve 13, close the first refrigeration valve 10 and the second refrigeration valve 11, cold-producing medium enters evaporimeter 4 by refrigeration system pipeline while becoming the gas of high-temperature high-pressure state after compressor 1 compression, carry out heat exchange with air, produce hot blast, then the gas of high-temperature high-pressure state is cooled into cryogenic high pressure liquid, and enter evaporative condenser 2 through throttling arrangement 3 formation low-temp low-pressure liquid, then refrigerant liquid carburation by evaporation being siphoned away by compressor 1 in evaporative condenser 2, complete heat pump cycle pattern.Equally, this evaporative condenser 2 has adopted the coil pipe of longitudinal setting of filler coupling.
Fig. 4 shows the principle schematic that air-conditioning unit of the present invention adopts a plurality of evaporimeter parallel connections, compares with embodiment 1, and its difference is, the mode of a plurality of evaporimeter parallel connections of described evaporimeter 4 employing.Equally, this evaporative condenser 2 has adopted the coil pipe of longitudinal setting of filler coupling.
Embodiment 4
Fig. 5 shows the principle schematic that air-conditioning unit of the present invention adopts two position three way directional control valve, compare with embodiment 1, its difference is, the exhaust outlet 8 of described compressor 1 is provided with the first two position three way directional control valve 14, and the air entry 9 of compressor is provided with the second two position three way directional control valve 15; Two outlets of the first two position three way directional control valve 14 are connected with the flue 2a of evaporative condenser and the flue 4b of evaporimeter respectively, and two imports of the second two position three way directional control valve 15 are connected with the flue 2a of evaporative condenser and the flue 4b of evaporimeter respectively.
Fig. 6 shows the principle schematic that air-conditioning unit of the present invention adopts four-way change-over valve, compare with embodiment 1, its difference is, four interfaces of described four-way change-over valve 16 respectively with the exhaust outlet 8 of compressor, the flue 4b of the flue 2a of evaporative condenser, evaporimeter and the air entry 9 of compressor be connected.
Fig. 7, Fig. 8 show the structure of evaporative condenser 2 of the present invention, comprise coil heat exchanger, cooling blower 21, water pump 22, water-locator 23, collecting-tank 24 and framework 25; The heat exchange section of jurisdiction that described heat exchanger is formed by a plurality of serpentine coils connects to form by inlet header 28 and outlet header 29.Each heat exchange section of jurisdiction comprises longitudinally snakelike (S shape) coil pipe 26 and filler 27, and filler is arranged between the plane space of serpentine coil formation, and filler and coil pipe form a close-fitting structure, and both are of coupled connections, and form tunnel segment structure.Coil pipe longitudinally arranges, and the cooling air that described blower fan is blown into flows along the substantial distance direction (both do not need completely parallel) of the straight length of described coil pipe; Substantially be exactly cooling air from the unenhanced mistake of the formed plane space in each heat exchange section of jurisdiction, described coil pipe 7 is provided with at least a slice for guiding spraying cooling water to flow to the filler 8 of lower floor's heat exchanger tube from upper strata heat exchanger tube.
Wherein, serpentine coil 26 is formed by the bending of heat exchanger tube continuous S-shaped, and wherein the straightway of heat exchanger tube 261 is roughly substantially parallel.This coil pipe 26 also can adopt can be installed filler and be applicable to other shape in evaporative condenser.The heat exchanger tube of serpentine coil 26 can adopt copper pipe, stainless steel tube or coating steel pipe etc., and the cross sectional shape of its inner flow passage is the shapes such as circle, ellipse, spirality, corrugated and olive shape.As those skilled in the art, be understandable that, serpentine coil 26 surfaces externally and internallies can adopt smooth surface, preferably adopt the enhanced heat transfer surfaces that is provided with internal and external screw thread, and described serpentine coil outer surface is provided with hydrophilic or corrosion-inhibiting coating simultaneously.Each serpentine coil is equipped with entrance and the outlet of runner.
Fig. 9,10 shows the structure of heat exchange section of jurisdiction, changes and comprises coil pipe 26 and filler 27, has by a slice filler 27 and coil pipe 26 and forms the continuous coupled structure being connected.As shown in FIG., the heat exchanger tube 261 of the corresponding relevant position of the filler of this slice coil pipe, is provided with a great deal of many grooves 271 that size coordinates with it, for accommodating heat exchanger tube.During installation, only a slice filler directly need be fitted in to the heat exchanger tube surface of serpentine coil in engaging mode, can certainly assist being fixedly connected with of other.After installation, above-mentioned a slice filler 27 all covers a side surface of the heat exchanger tube of coil pipe 26.Filler 27 by but be not limited to the metal materials such as rubber and plastic (PVC, PP, PE etc.), papery or aluminium foil, Copper Foil and make.Filler 27 can be the dull and stereotyped filler of a slice surface smoothing, can be also the unidirectional or multidirectional ripple type filler of a slice; Its cross sectional shape can be waveform, rectangle or Long Circle, wherein the one-sided or bilateral of preferred filler is formed with waveform convex-concave surface, be beneficial to flowing of spraying cooling water, and increase cooling water in the time of staying of filling surface, also the corresponding evaporation and heat-exchange area that increased.
As preferably, also can adopt the fit structure of another kind of filler and coil pipe, this filler 27 is two, in engaging mode, is relatively fitted in the both side surface of serpentine coil and forms continuous coupled form.These two fillers 27 can complete the heat exchanger tube of coil pipe 261 to wrap, and also can leave certain gap in the junction of two fillers 27, and as shown in Figure 11, this gap can make a cooling water flow through the surface of heat exchanger tube.
During work, high temperature fluid enters serpentine coil 26 through inlet header 28, now water pump 22 is transported to the water at low temperature in collecting-tank 24 water-locator 23 at serpentine coil top, the outer surface that sprays serpentine coil through nozzle forms very thin moisture film, meanwhile, blower fan 21 is introduced space, evaporative condenser place by temperature and the lower wind of relative humidity, make itself and heat exchanger carry out sufficient heat exchange with the cooling water of flow through heat exchanger and filler 27, evaporation after the heat absorption of part water in moisture film, all the other fall into collecting-tank 24, supply-water pump 22 circulations are used, the fluid of high temperature flows out from outlet header 29 after being cooled into cryogen simultaneously.
In Figure 12-14, the present invention can also provide the evaporative condenser of another kind of filling-material structure, comprises coil heat exchanger, blower fan 21, water pump 22, water-locator 23, collecting-tank 24 and framework 25; The heat exchange section of jurisdiction that described heat exchanger is formed by a plurality of serpentine coils connects to form by inlet header 28 and outlet header 29.Each heat exchange section of jurisdiction comprises longitudinally snakelike (S shape) coil pipe 26 and filler 27, filler 27 be arranged at adjacent heat exchanger tube 20 between, the coupling of formation gap, fills up the gap between heat exchanger tube 261 by filler 27, with continuous flow plane that described coil pipe 26 and filler 27 are joined together.About connected mode, can be by welding, engaging mode or connector between coil pipe 26 and filler 27, above-mentioned filler 27 is fixed on and the heat exchanger tube of coil pipe 26 between.Such as, connector is tied rope F, at the edge of filler 27, beats one or more fixing holes, by a tied rope, through fixing hole, it is bundled on corresponding heat exchanger tube 261 securely.If the heat exchanger tube of coil pipe is round tube or oval pipe, can also select to adopt engaging mode, U-shaped groove is arranged at the edge that is about to filler, so that the heat exchanger tube of coil pipe is placed in wherein steadily.The filler being arranged between adjacent heat exchange tubes can be a slice, can be also multi-disc.
Coil pipe in this embodiment can also adopt other structure, in heat exchange section of jurisdiction as shown in figure 15, the straight length of the heat exchanger tube 261 of coil pipe 26 is parallel to each other, its tube pitch is dwindled toward lower floor gradually from upper strata, correspondingly, the radius of curvature of the bending section of heat exchanger tube 261 is also dwindled gradually, the use of filler 27 and with the connected mode of coil pipe 26, can be with reference to above-described embodiment.In use, the heat exchanger tube 261 on upper strata is first accepted spray cold water, then from upper to the heat exchanger tube 261 downstream to being positioned at lower floor; When high temperature refrigerant enters then from outlet outflow from import, due to the tube refrigerant temperature of the last layer temperature higher than lower one deck, so every water temperature rise ratio through last layer heat exchanger tube 261 rises higher through the water temperature of lower one deck heat exchanger tube 261, therefore the filler of last layer 27 is lengthened, for extending the heat-exchange time of filler 27 cooling waters.The coil pipe of this structure can reduce the temperature difference of lower floor's heat exchanger tube and cooling water, thereby improves the heat transfer effect aspect of heat exchanger tube and cooling water, even better.Can be selectively, the coil pipe shown in Figure 16, the straight length of the heat exchanger tube 261 of coil pipe have along liquid in pipe flow direction to descending slope, this liquid in pipe is high temperature refrigerant.When high temperature refrigerant is from import enters, the mobile of this cold-producing medium is along the direction to descending slope, until outlet is flowed out.Because heat exchanger tube 261 has necessarily for descending slope along mobile direction, this coil pipe has reduced the Pressure Drop of cold-producing medium from import to outlet more highlightedly.
In order to obtain more cooling water heat exchange area, Figure 17 show the present invention another increase heat exchange filler the generalized section of condenser, between the serpentine coil 26 in described heat exchanger, heat exchanger top or heat exchanger bottom can be provided with one or more pieces fillers 27 '.
Figure 18,19 shows evaporative condenser blower fan 21 is placed on to heat exchanger front portion (air inlet) placement vertical with blower fan 21.
Figure 20 shows evaporative condenser blower fan 21 is vertically placed, and is provided with 2 groups of heat exchangers in condenser.
Figure 21 also shows the another kind of implementation of the evaporative condenser with 2 groups of heat exchangers.The heat exchanger tube of the heat exchanger adopting in the present embodiment is not isometric, be coil pipe heat exchanger tube 261 flow development length from last layer to one deck increase gradually, wherein, the heat exchanger tube 261 on upper strata is first accepted spray cold water, then from upper to the heat exchanger tube 261 downstream to being positioned at lower floor.The heat exchange section of jurisdiction that the present embodiment provides is more suitable for adopting the evaporative condenser of two groups of heat exchangers.Be with the difference of embodiment shown in Figure 20: the present embodiment can be in the situation that condenser appearance and size be constant, by changing the length of the straight length of heat exchanger tube 261, the more blower fan of large scale and horsepower be installed.Wherein, the heat exchange section of jurisdiction that the blower fan 21 of solid line part provides for having adopted the present embodiment, the blower fan 21 ' of dotted portion is the heat exchange section of jurisdiction of the heat exchanger tube with isometric straight length shown in Figure 20.Comparatively speaking, the size of the blower fan (dotted line) that the blower fan that the former uses (solid line) uses than the latter is larger, can add Wind Volume like this, thereby improves heat transfer effect.
It should be noted that and the foregoing is only preferred embodiment of the present invention, not thereby limit scope of patent protection of the present invention, the present invention can also carry out the improvement of material and structure by parts, or adopts technical equivalents thing to replace.Therefore the equivalent structure that all utilizations description of the present invention and diagramatic content are done changes, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the present invention contains.
Claims (11)
1. with an air-conditioning unit for filler coupling coil pipe evaporative condenser, comprise compressor, evaporative condenser, throttling arrangement, evaporimeter and blower fan, described evaporative condenser comprises coil heat exchanger, cooling blower, water-locator and collecting-tank; Described coil heat exchanger is connected to form by inlet header and outlet header by a plurality of heat exchange section of jurisdiction; It is characterized in that, described heat exchange section of jurisdiction comprises coil pipe and filler,
Described coil pipe is provided with at least a slice for guiding spraying cooling water to flow to the filler of lower floor's heat exchanger tube from upper strata heat exchanger tube.
2. air-conditioning unit as claimed in claim 1, is characterized in that, the heat exchanger tube S shape bending of described coil pipe; Described filler is arranged between adjacent described heat exchanger tube, with continuous flow plane that described heat exchanger tube is joined together.
3. air-conditioning unit as claimed in claim 2, it is characterized in that, the straight length of adjacent described heat exchanger tube is parallel to each other, and the tube pitch of the straight length of adjacent described heat exchanger tube is identical, or tube pitch from be positioned at the upper strata of first accepting spraying cooling water to accept spraying cooling water lower floor diminish gradually.
4. air-conditioning unit as claimed in claim 2, is characterized in that, the straight length of described heat exchanger tube have along liquid in pipe flow direction to descending slope.
5. the air-conditioning unit as described in claim 1-4, is characterized in that, described coil pipe longitudinally arranges, and the cooling air that described blower fan is blown into flows along the substantial distance direction of the straight length of described coil pipe.
6. air-conditioning unit as claimed in claim 1, is characterized in that, the heat exchanger tube S shape bending of described coil pipe; Described coil pipe longitudinally arranges, and the cooling air that described blower fan is blown into flows along the substantial distance direction of the straight length of described coil pipe; Described in one or more pieces, filler is arranged in the plane space that described heat exchanger tube forms, and cooperatively interacts affixedly with described heat exchanger tube, and at least a portion that is covered in continuously a plurality of described heat exchanger tubes is surperficial.
7. as the air-conditioning unit as described in arbitrary in claim 1-6, it is characterized in that, the exhaust outlet of described compressor is connected with the flue of evaporative condenser, the liquid line of evaporative condenser is connected with the liquid line of evaporimeter by throttling arrangement, the flue of evaporimeter is connected with the air entry of compressor, and described air-conditioning unit has kind of refrigeration cycle pattern; Described evaporative condenser is one or more parallel connections.
8. the air-conditioning unit of stating according to office in claim 1-6, it is characterized in that: the exhaust outlet of described compressor is connected with the flue of evaporative condenser, the liquid line of evaporative condenser is connected with the liquid line of evaporimeter by throttling arrangement, the flue of evaporimeter is connected with the air entry of compressor, so air-conditioning unit has kind of refrigeration cycle pattern and heat pump cycle pattern; Described air-conditioning unit is provided with the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve; The first refrigeration valve is arranged on the connecting line of the exhaust outlet of compressor and the flue of evaporative condenser, the second refrigeration valve is arranged on the connecting line of the air entry of compressor and the flue of evaporimeter, the first heat pump valve is arranged on the connecting line of the exhaust outlet of compressor and the flue of evaporimeter, and the second heat pump valve is arranged on the connecting line of the air entry of compressor and the flue of evaporative condenser.
9. according to arbitrary described air-conditioning unit in claim 1-6, it is characterized in that: the exhaust outlet of described compressor is provided with the first reversal valve, the air entry of compressor is provided with the second reversal valve; Two outlets of the first reversal valve are connected with the flue of evaporative condenser and the flue of evaporimeter respectively, and two imports of the second reversal valve are connected with the flue of evaporative condenser and the flue of evaporimeter respectively; Described the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve adopt motor-driven valve or hand-operated valve; Described the first reversal valve and the second reversal valve are electronic or pneumatic two position three way directional control valve.
10. according to arbitrary described air-conditioning unit in claim 1-6, it is characterized in that: described air-conditioning unit is provided with four-way change-over valve, four interfaces of four-way change-over valve respectively with the flue of exhaust outlet of compressor, evaporative condenser, the air entry of the flue of evaporimeter and compressor be connected.
11. according to arbitrary described air-conditioning unit in claim 1-10, it is characterized in that: described air-conditioning unit is set to split type or multi-connected machine pattern.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254000.5A CN103574964B (en) | 2012-07-20 | 2012-07-20 | A kind of air-conditioner set that coil pipe evaporative condenser is coupled with filler |
| PCT/CN2012/080022 WO2014012287A1 (en) | 2012-07-20 | 2012-08-13 | Air conditioning unit with filler coupling coil pipe evaporative type condenser |
| HK13108372.6A HK1181607A2 (en) | 2012-07-20 | 2013-07-16 | Air conditioning unit with evaporative condenser with filler coupled coils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254000.5A CN103574964B (en) | 2012-07-20 | 2012-07-20 | A kind of air-conditioner set that coil pipe evaporative condenser is coupled with filler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103574964A true CN103574964A (en) | 2014-02-12 |
| CN103574964B CN103574964B (en) | 2017-10-20 |
Family
ID=49517879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210254000.5A Active CN103574964B (en) | 2012-07-20 | 2012-07-20 | A kind of air-conditioner set that coil pipe evaporative condenser is coupled with filler |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103574964B (en) |
| HK (1) | HK1181607A2 (en) |
| WO (1) | WO2014012287A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596005A (en) * | 2015-01-07 | 2015-05-06 | 西安工程大学 | Water-saving pipe-wrapped-by-filler type evaporative cooling air-conditioning system |
| CN108131763A (en) * | 2017-12-30 | 2018-06-08 | 广东申菱环境系统股份有限公司 | A kind of modularization evaporation cooling integrates cold and heat source system and its control method |
| CN108426322A (en) * | 2018-05-17 | 2018-08-21 | 江苏科技大学 | A kind of domestic multi-connection air conditioner condensed water heat-exchange system |
| CN108870591A (en) * | 2018-06-28 | 2018-11-23 | 江苏永昇空调有限公司 | A kind of grain depot evaporating condensation type air-conditioner set |
| CN110260555A (en) * | 2019-07-19 | 2019-09-20 | 四川贝园科技有限公司 | A kind of heating-cooling double-effect refrigeration air-conditioner and working method |
| CN114688767A (en) * | 2022-03-09 | 2022-07-01 | 浙江英特科技股份有限公司 | Evaporative condenser for passage |
| US20220325965A1 (en) * | 2021-04-12 | 2022-10-13 | C2K Innovations Llc | Mass transfer device cleaning system and spacer |
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| CN109737528A (en) * | 2018-08-30 | 2019-05-10 | 新疆绿色使者空气环境技术有限公司 | The air-conditioning device that the more warm sweat cooling cooling-water machines of cross-flow type are combined with mechanical refrigeration |
| CN112137538A (en) * | 2019-06-27 | 2020-12-29 | 青岛海尔洗碗机有限公司 | Dish washing machine |
| CN111284304A (en) * | 2020-03-27 | 2020-06-16 | 合肥天鹅制冷科技有限公司 | Air conditioning device with condensation and evaporation coupling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104596005A (en) * | 2015-01-07 | 2015-05-06 | 西安工程大学 | Water-saving pipe-wrapped-by-filler type evaporative cooling air-conditioning system |
| CN104596005B (en) * | 2015-01-07 | 2017-08-25 | 西安工程大学 | Water-saving filler wraps up in tubular type Evaporative Cooling Air-conditioning System |
| CN108131763A (en) * | 2017-12-30 | 2018-06-08 | 广东申菱环境系统股份有限公司 | A kind of modularization evaporation cooling integrates cold and heat source system and its control method |
| CN108426322A (en) * | 2018-05-17 | 2018-08-21 | 江苏科技大学 | A kind of domestic multi-connection air conditioner condensed water heat-exchange system |
| CN108870591A (en) * | 2018-06-28 | 2018-11-23 | 江苏永昇空调有限公司 | A kind of grain depot evaporating condensation type air-conditioner set |
| CN110260555A (en) * | 2019-07-19 | 2019-09-20 | 四川贝园科技有限公司 | A kind of heating-cooling double-effect refrigeration air-conditioner and working method |
| US20220325965A1 (en) * | 2021-04-12 | 2022-10-13 | C2K Innovations Llc | Mass transfer device cleaning system and spacer |
| CN114688767A (en) * | 2022-03-09 | 2022-07-01 | 浙江英特科技股份有限公司 | Evaporative condenser for passage |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014012287A1 (en) | 2014-01-23 |
| CN103574964B (en) | 2017-10-20 |
| HK1181607A2 (en) | 2013-11-08 |
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