CN102889715A - Evaporative condenser - Google Patents

Evaporative condenser Download PDF

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Publication number
CN102889715A
CN102889715A CN201110425951XA CN201110425951A CN102889715A CN 102889715 A CN102889715 A CN 102889715A CN 201110425951X A CN201110425951X A CN 201110425951XA CN 201110425951 A CN201110425951 A CN 201110425951A CN 102889715 A CN102889715 A CN 102889715A
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CN
China
Prior art keywords
water
evaporation net
temperature
air
condenser
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Application number
CN201110425951XA
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Chinese (zh)
Inventor
王涛
Original Assignee
深圳市立冰空调有限公司
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Publication date
Application filed by 深圳市立冰空调有限公司 filed Critical 深圳市立冰空调有限公司
Priority to CN201110425951XA priority Critical patent/CN102889715A/en
Publication of CN102889715A publication Critical patent/CN102889715A/en

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Abstract

An evaporative condenser comprises a condenser shell, at least one cooling fan and a low-temperature water collecting device, wherein the condenser shell comprises at least one evaporating screen and a high-temperature water inlet part; the high-temperature water inlet part is used for receiving high-temperature water from the outside of the condenser and providing the high-temperature water for the evaporating screens, so that the evaporating screens are wetted by the high-temperature water; the cooling fans are arranged on at least one air outlet and are used for sucking air from air inlets, enabling the air to pass through the evaporating screens so as to cool the high-temperature water sprayed on the evaporating screen into low-temperature water, and discharging the air; and the low-temperature water collecting device is arranged below the evaporating screens and is used for collecting the low-temperature water dropping from the evaporating screens. The temperature of refrigerating fluid is reduced until the temperature is close to the environmental wet-bulb temperature by an evaporative condenser mode, so that the heat exchange efficiency of the refrigerating fluid of an air conditioner is maximum; the evaporative condenser is compact in structure; and because heat exchange is realized by using a wet curtain principle, required water replenishing amount is low, the original cooling tower and the original cooling water pump are omitted, and occupied area is greatly reduced.

Description

A kind of evaporative condenser

Technical field

The present invention relates to the HVAC technical field, belong to the innovation of structure in the evaporation refrigeration equipment, particularly Packed direct-evaporation-type condenser is used in the air-conditioning condenser system.

Background technology

The structure of traditional water-cooled air handling system as shown in Figure 1, comprise the cooling tower, cooling water pump and the condenser that are in the heat release loop, and the plasticator, air-conditioner tail end equipment capable and the water supply pump that are arranged in the heat absorption loop, wherein as the water of refrigerant in condenser generation heat exchange, with the exchange heat that absorbs in the heat absorption loop to the heat release loop.

In this system, condenser is generally a water tank, the refrigerant delivery line of heat absorption in the loop be arranged in this water tank with water tank in water carry out heat exchange.Yet, the defective of this system is, cooling tower need to provide a large amount of water at low temperature by the cooling water pump pump to the water tank of condenser, through the temperature after the heat exchange raise water send again cooling tower back to and lower the temperature by air cooler, just can recycle, the electric energy that consumes during the cooling tower cooling circulating water is large.

Also have a kind of wet curtain device in the prior art, as shown in Figure 2, hot-air is by wet curtain evaporation screen pack in addition, and the temperature of hot-air can reduce, thereby is converted to cold air.Though it is very low that this wet curtain device can not be down to air themperature, still can around the workman, create refrigerant, as to be full of bright wind environment as traditional air-conditioning.And the power consumption in when cooling only is 8.9% of traditional air-conditioning.

As shown in Figure 3, a kind of air handling system based on wet curtain device of the prior art, it is by making air and contact with moisture, water is absorbing heat in evaporation process, namely under the constant condition of enthalpy, the sensible heat of absorbing air reduces the temperature (dry-bulb temperature) of air.Detailed process is: when the core component (evaporation filter screen) of ozone by equipment, produce heat exchange and filter out airborne dust, make proximal air be similar to along isenthalp and change and lowered the temperature, the temperature of air finally is reduced to the wet-bulb temperature that is bordering on air.

Summary of the invention

One object of the present invention is to provide a kind of novel evaporative condenser, and with the condensation efficiency of lifting condenser, thereby saving comprises the total consumed power of the water cooling air conditioning system of this kind condenser.

For achieving the above object, one aspect of the present invention points to a kind of evaporative condenser, and it comprises

Condenser casing comprises a condensation chamber, and this condensation chamber has at least one air intlet and at least one air outlet slit;

At least one evaporation net is arranged on this at least one air intlet;

One high-temperature water water entering section is used for providing high-temperature water so that evaporation net is drenched by high-temperature water from condenser outside access high-temperature water and to evaporation net;

At least one cooling blower is arranged on this at least one air outlet slit, is used for air is sucked from aforementioned air intlet, and makes air pass evaporation net so that the high-temperature water that drenches on evaporation net is lowered the temperature into water at low temperature, again with Bas Discharged;

One water at low temperature gathering-device, the below that is arranged at evaporation net is used for collection collects from the water at low temperature that evaporation net falls, and,

The water at low temperature discharge portion links to each other with the water at low temperature gathering-device, is used for the water at low temperature eductor condenser.

Preferably, this high-temperature water water entering section comprises water inlet, and the pipeline that links to each other with water inlet and be arranged on water pump on the pipeline wherein, has a plurality of leak sources on the pipeline, and water flows out from leak source.

Preferably, this high-temperature water water entering section comprises water inlet, the pipeline that links to each other with water inlet, and be arranged on water pump on the pipeline, and wherein, having a plurality of leak sources on the pipeline, each leak source connects a spray equipment, and water is from this spray equipment ejection.

Preferably, this water at low temperature discharge portion is drainpipe.

Preferably, described evaporation net is the organic filler evaporation net.

Preferably, described evaporation net is the organic filler evaporation net.

Preferably, described evaporation net is organic filler honeycomb fashion evaporation net.

Preferably, described condensation chamber has four air intlets, and evaporation net is arranged at respectively on these four air intlets.

Preferably, described condensation chamber has two air intlets, and evaporation net is arranged at respectively on these two air intlets.

Preferably, described condensation chamber has an air intlet, and evaporation net is arranged at respectively on these two air intlets.

Preferably, described pipeline is arranged on the evaporation net top, along the girth setting of evaporation net, drips pouring hot water from upper towards evaporation net.

Preferably, described pipeline is arranged on the evaporation net side, and along the girth setting of evaporation net, from the side to evaporation net spray hot water.

Preferably, described cooling blower is axial flow blower.

Preferably, also comprise a moisturizing part, this moisturizing part links to each other with the water at low temperature gathering-device, and it comprises a moisturizing upper hose, and a water at low temperature condensate tank of dehumidifier.

Preferably, described water at low temperature gathering-device also comprises a discharge outlet.

Operation principle of the present invention is, the high-temperature water water entering section provides the higher water of temperature and drenches on evaporation net, cooling blower sucks the air in the environment from air inlet, pass evaporation net and the water for cooling higher to temperature in passing the process of evaporation net, water after the cooling continues the dirty water at low temperature gathering-device that enters, and the air themperature of the evaporation net of flowing through raises by the cold blower fan eductor condenser that goes.

Condenser among the present invention can link to each other with plate type heat exchanger to by the high-temperature water water entering section hot water in the plate type heat exchanger being introduced the cooler cooling, sends plate type heat exchanger after the cooling back to again and uses.

The present invention's evaporating type condensing mode drops to refrigerant temperature near environment wet-bulb temperature.This is so that the heat exchanger effectiveness of air-conditioning refrigerant reaches the highest, and compact conformation, owing to adopt wet curtain principle heat exchange, the moisturizing that needs is few, has saved original cooling tower and cooling water pump, has greatly reduced floor space.

Description of drawings

Fig. 1 is the schematic diagram of existing water cooling air conditioning system.

Fig. 2 is the schematic diagram of wet curtain.

Fig. 3 is the schematic diagram of wet curtain air-conditioning.

Fig. 4 is the schematic diagram of one embodiment of the present invention.

Fig. 5 a is the structural representation of evaporative condenser of the present invention.

Fig. 5 b is the structure cutaway view of evaporative condenser of the present invention.

The evaporation net of the evaporative condenser of Fig. 6 a one embodiment of the present invention and high-temperature water water entering section graph of a relation is set.

The evaporation net of the evaporative condenser of Fig. 6 b another embodiment of the invention and high-temperature water water entering section graph of a relation is set.

The specific embodiment

Below with reference to accompanying drawings the specific embodiment of the present invention is elaborated.

In the present invention, high-temperature water, water at low temperature are relative concept, but should be appreciated that, in the Air-conditioning Engineering field, high-temperature water can refer to the water of temperature about 45 degrees centigrade, and water at low temperature can refer to the water of temperature about 30 degree of setting.

With reference to Fig. 4, a kind of evaporative condenser 100 provided by the invention comprises condenser casing 1, evaporation net 2, high-temperature water water entering section 3, cooling blower 4, water at low temperature gathering-device 5 and water at low temperature discharge portion 6.

Wherein, be provided with a condensation chamber 101 in the condenser casing 1, this condensation chamber has four air intlets 102 and an air outlet slit 103, and here, the water yield of air inlet 102 can increase or reduce, and for example can also be one, two or six.Each air inlet 102 can be provided with porose or the baffle plate of groove is arranged.

The quantity of evaporation net 2 is consistent with the quantity of air intlet, is separately positioned on each air intlet 102; Evaporation net can be for having certain thickness, and for example 100 millimeters, common evaporation net or organic filler evaporation net.

High-temperature water water entering section 3 is used for providing high-temperature water so that evaporation net 2 is drenched by high-temperature water from condenser outside access high temperature and to evaporation net 2; In one embodiment, shown in Fig. 6 a, high-temperature water water entering section 3 comprises water inlet 301, and the pipeline 302 that links to each other with water inlet and be arranged on water pump 303 on the pipeline 302 wherein, has a plurality of leak sources 321 on the part of pipeline, and high-temperature water flows out from leak source.

In this kind embodiment, the pipeline portions with leak source 321 preferably is arranged on the top of evaporation net, like this can be so that high-temperature water directly drops on the evaporation net.In this set, the pipeline portions with leak source 321 preferably is arranged on the top of all evapn net.

In another embodiment, shown in Fig. 6 b, this high-temperature water water entering section 3 comprises water inlet 301, the pipeline 302 that links to each other with water inlet, and be arranged on water pump 303 on the pipeline, wherein, have a plurality of leak sources 321 on the part of pipeline, each leak source connects a spray equipment 322, and water is from this spray equipment ejection.

In this kind set-up mode, the pipeline portions with leak source 321 can be arranged on the evaporation net top again, so that spray equipment sprays downwards, spray equipment can be shower nozzle.Also the pipeline portions with leak source 321 can be arranged on the side of evaporation net, for example, a side that is positioned at condenser inside of evaporation net.

Cooling blower 4, for example axial flow blower is arranged on the air outlet slit 103, in the present embodiment, air outlet slit only has one, and therefore, cooling blower only has one, in optional embodiment, two air outlet slits 103 can be set, will need like this two cooling blowers 4.Cooling blower is used for air is sucked from aforementioned air intlet 102, and makes air pass evaporation net so that the high-temperature water that drenches on evaporation net is lowered the temperature into water at low temperature, again with Bas Discharged.

Water at low temperature gathering-device 5 is arranged at the below of evaporation net 2 and collects from the water at low temperature that evaporation net falls for collection.Water at low temperature discharge portion 6 for example is a drainpipe, links to each other with water at low temperature gathering-device 5, is used for the water at low temperature eductor condenser.

In optional the application, high-temperature water water entering section 3 in the condenser of the present invention and water at low temperature discharge portion 6 are connected to water inlet and the delivery port of plate type heat exchanger 200, this moment, the water at low temperature gathering-device was as the water source, like this, after becoming water at low temperature, the high-temperature water cooling that delivery port can be sent sends into again plate type heat exchanger.

In aforementioned cooling procedure to high-temperature water, owing to part water can be extracted out by axial flow blower with the form of steam, so the water in the water at low temperature gathering-device 5 might reduce gradually.This situation is especially obvious when surrounding air humidity is very low.Be necessary like this water in the water at low temperature gathering-device 5 is replenished, this replenishing can be by arranging a moisturizing part 7, this moisturizing part 7 comprises a moisturizing upper hose 71, one water at low temperature condensate tank of dehumidifier 72 and the switching device 73 that links with this water at low temperature condensate tank of dehumidifier 72, wherein moisturizing upper hose 71 is communicated to water at low temperature gathering-device 5, water condensate tank of dehumidifier 72 can be a ball float and with this ball float.

Described condensate tank of dehumidifier 72 and switching device can also be other mechanical devices well known in the prior art, electromechanics, surge, pneumatic means.

Evaporative condenser of the present invention utilizes the high-efficiency evaporating of evaporation net to take away heat can the heat-exchanging water from the energy of the heat exchanger of plate type heat exchanger or other types being cooled off.Heat-exchanging water is evenly distributed on honeycomb fashion evaporation net surface, form the moisture film of hundreds of times of areas, cooling blower driving air stream skims over cascade and impels water film evaporation, rapidly condensed water temperature is reduced to environment wet-bulb temperature by about 45 ℃, for example outdoor dry-bulb temperature is that 35 ℃, ambient humidity are that wet-bulb temperature is 25 ℃ in 50% the situation.

According to the compressor pressure-enthalpy chart, 1 ℃ of the every reduction of condensation temperature, the compressor Energy Efficiency Ratio improves about 2.3%, the condensation temperature of tradition air-conditioning is 54.4 ℃, and has used the air-conditioning products of this condenser, in the harshest situation, also condensation temperature can be down to 35 ℃, thus, the compressor Energy Efficiency Ratio has improved more than 48%, and systematic energy efficiency ratio has improved more than 35%.

In the application's human experimentation, at 2300 Kilograms Per Square Meters hour, sprinkle density under, when intake velocity is 1.5 meter per second, (environment dry-bulb temperature: 27 ℃ of wet-bulb temperature: 19.5 ℃) under standard condition, heat-exchanging water is flowed through behind the evaporation net of 80cmX60cmX10cm, and temperature can drop in 30 ℃ by 45 ℃, for example 28 degrees centigrade shown in Figure 4.

Claims (9)

1. an evaporative condenser is characterized in that: comprise
Condenser casing comprises a condensation chamber, and this condensation chamber has at least one air intlet and at least one air outlet slit;
At least one evaporation net is arranged on this at least one air intlet;
One high-temperature water water entering section is used for providing high-temperature water so that evaporation net is drenched by high-temperature water from condenser outside access high-temperature water and to evaporation net;
At least one cooling blower is arranged on this at least one air outlet slit, is used for air is sucked from aforementioned air intlet, and makes air pass evaporation net so that the high-temperature water that drenches on evaporation net is lowered the temperature into water at low temperature, again with Bas Discharged;
One water at low temperature gathering-device, the below that is arranged at evaporation net is used for collection collects from the water at low temperature that evaporation net falls, and,
The water at low temperature discharge portion links to each other with the water at low temperature gathering-device, is used for the water at low temperature eductor condenser.
2. evaporative condenser according to claim 1, it is characterized in that: this high-temperature water water entering section comprises water inlet, and the pipeline that links to each other with water inlet and be arranged on water pump on the pipeline wherein, has a plurality of leak sources on the pipeline, and water flows out from leak source.
3. evaporative condenser according to claim 1, it is characterized in that: this high-temperature water water entering section comprises water inlet, the pipeline that links to each other with water inlet, and be arranged on water pump on the pipeline, wherein, have a plurality of leak sources on the pipeline, each leak source connects a spray equipment, and water is from this spray equipment ejection.
4. the evaporative condenser that the organic filler evaporation net is set according to claim 1, it is characterized in that: described condensation chamber has four air intlets, and evaporation net is arranged at respectively on these four air intlets; Or described condensation chamber has two air intlets, and evaporation net is arranged at respectively on these two air intlets; Or described condensation chamber has an air intlet, and evaporation net is arranged at respectively on these two air intlets.
5. the evaporative condenser that the organic filler evaporation net is set according to claim 1 is characterized in that: described pipeline is arranged on the evaporation net top, along the girth setting of evaporation net, drips pouring hot water from upper towards evaporation net; Or described pipeline is arranged on the evaporation net side, and along the girth setting of evaporation net, from the side to evaporation net spray hot water.
6. evaporative condenser according to claim 1, it is characterized in that: described evaporation net is the organic filler evaporation net; Or organic filler evaporation net; Or organic filler honeycomb fashion evaporation net.
7. evaporative condenser according to claim 1 is characterized in that: also comprise a moisturizing part, this moisturizing part links to each other with the water at low temperature gathering-device, and it comprises a moisturizing upper hose, and a water at low temperature condensate tank of dehumidifier.
8. evaporative condenser according to claim 1, it is characterized in that: described water at low temperature gathering-device also comprises a discharge outlet.
9. the evaporative condenser that the organic filler evaporation net is set according to claim 1, it is characterized in that: described cooling blower is axial flow blower.
CN201110425951XA 2011-12-16 2011-12-16 Evaporative condenser CN102889715A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091491A (en) * 2016-07-25 2016-11-09 苏宇贵 Water wind composite cooling condenser
CN106225332A (en) * 2016-08-31 2016-12-14 天津金轮自行车集团有限公司 A kind of novel rapid condensation equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87210199U (en) * 1987-07-13 1988-02-17 武汉专用汽车厂 Drip deafening pad for glass fibre reinforced plastic cooling tower
CN2399694Y (en) * 1999-11-30 2000-10-04 同济大学 Novel cooling appts.
CN101169299A (en) * 2007-11-30 2008-04-30 清华大学 Indirect evaporation type cooling/condensing device
CN101251341A (en) * 2008-03-27 2008-08-27 陈向阳 Hydropower self-cooling cooling tower
CN201787678U (en) * 2010-08-30 2011-04-06 钱锦远 Liquid-cooled air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87210199U (en) * 1987-07-13 1988-02-17 武汉专用汽车厂 Drip deafening pad for glass fibre reinforced plastic cooling tower
CN2399694Y (en) * 1999-11-30 2000-10-04 同济大学 Novel cooling appts.
CN101169299A (en) * 2007-11-30 2008-04-30 清华大学 Indirect evaporation type cooling/condensing device
CN101251341A (en) * 2008-03-27 2008-08-27 陈向阳 Hydropower self-cooling cooling tower
CN201787678U (en) * 2010-08-30 2011-04-06 钱锦远 Liquid-cooled air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091491A (en) * 2016-07-25 2016-11-09 苏宇贵 Water wind composite cooling condenser
CN106225332A (en) * 2016-08-31 2016-12-14 天津金轮自行车集团有限公司 A kind of novel rapid condensation equipment

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Application publication date: 20130123