CN104566719A - Anti-freezing air conditioner - Google Patents

Anti-freezing air conditioner Download PDF

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Publication number
CN104566719A
CN104566719A CN201410837125.XA CN201410837125A CN104566719A CN 104566719 A CN104566719 A CN 104566719A CN 201410837125 A CN201410837125 A CN 201410837125A CN 104566719 A CN104566719 A CN 104566719A
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CN
China
Prior art keywords
heat
unit
cold
air
treatment unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410837125.XA
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Chinese (zh)
Inventor
刘凯敬
王长炜
陈海波
刘拴强
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BEIJING GERUI LIDE AIR CONDITIONER TECHNOLOGY Co Ltd
Original Assignee
BEIJING GERUI LIDE AIR CONDITIONER TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING GERUI LIDE AIR CONDITIONER TECHNOLOGY Co Ltd filed Critical BEIJING GERUI LIDE AIR CONDITIONER TECHNOLOGY Co Ltd
Priority to CN201410837125.XA priority Critical patent/CN104566719A/en
Publication of CN104566719A publication Critical patent/CN104566719A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0003Exclusively-fluid systems

Abstract

The invention relates to the technical field of air conditioners for civil and industrial projects, in particular to an anti-freezing air conditioner comprising a pre-cooling or pre-heating unit, an air conditioning treatment unit and a cold or heat source unit; the air conditioning treatment unit is used for cooling and dehumidifying or heating and humidifying the air; the cold or heat source unit comprises a compressor, an expansion valve and a refrigerant circulation pipeline; the refrigerant circulation pipeline comprises a first main pipeline, a second main pipeline, a third main pipeline and a fourth main pipeline; the first main pipeline is connected with the first connection end of the air conditioning treatment unit through the output end of the expansion valve; the second main pipeline is connected with the input end of the compressor through the first output end of the air conditioning treatment unit; the third main pipeline is connected with the second connection end of the air conditioning treatment unit through the output end of the compressor; the fourth main pipeline is connected with the input end of the compressor through the second output end of the air conditioning treatment unit.

Description

A kind of aircondition of anti-freeze type
Technical field
The present invention relates to technical field that the is civilian and aircondition in industrial project, particularly relate to a kind of aircondition of anti-freeze type.
Background technology
Be applied to the Fresh air handling units of field of air conditioning at present, very easily bursting by freezing is run in area northeastward, and winter is generally all inactive, adopts the additional hot high cost of electricity and has disaster hidden-trouble; Certain customers change wind in order to ensure winter, have employed total-heat exchanger (fresh air ventilator), but are also only suitable for the little place of part ventilation volume.And lower than-15 degree, heat exchanger media can lose efficacy in frosting, must power up auxiliary preheating device; Do not open new wind to winter except the place that the operating room etc. of hospital must supply new wind in the operation of reality; Guan even if in water temperature how Gao Shuizai flows again, good especially that of electric heater frost protection also must freeze undoubtedly, the bronze pan tube tube wall of present Fresh air handling units all very thin one swollen be not bubbling be exactly directly ftracture.
If adopt steam preheating or the new wind of electric preheating, energy resource consumption is large, and plant maintenance amount and operating cost increase.
Therefore, the present invention by the brand-new R & D design of equipment frame theory a kind of antifreeze type air conditioning group being applicable to round-the-clock environment.Main purpose be cannot normally use the winter solving conventional fresh air conditioner system, the problem such as high energy consumption.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of outdoor new wind in the winter time directly carry out preheating by coil pipe and drive with precooling or preheating device, heat pump, based on the aircondition of the anti-freeze type of multi-stage solution dehumidifying or humidifying unit and multi-stage solution regeneration unit, the application of this aircondition is not limited to severe cold area.
An aircondition for anti-freeze type, comprises precooling or preheating unit, cold or heat source unit, air heat and wet treatment unit and is the cold of carrier or heating agent pipeline with cold-producing medium;
Precooling or preheating unit, can directly to air cooling-down, dehumidification treatments or heating, described precooling or preheating unit comprise circulation line, pump, the first refrigeration or heating combined equipment and first and change cold or heat-exchanger rig, described first refrigeration or heating combined equipment and first are changed cold or heat-exchanger rig and are communicated with by circulation line, circulation line is provided with pump, and first changes cold or heat-exchanger rig is cold with the external world or thermal source is connected; Medium in precooling or preheating unit is ethylene glycol;
Cold or heat source unit, for providing cold or heat for the hot humidity load of process air; Cold or heat source unit comprises compressor, expansion valve and refrigerant circulation line, described refrigerant circulation line comprises the first main line, the second main line, 3rd main line and the 4th main line, first main line is connected with air heat and wet treatment unit first link, second main line is connected with compressor input by air heat and wet treatment unit first output, 3rd main line is connected with air heat and wet treatment unit second link by compressor output end, and the 4th main line is connected with compressor input by air heat and wet treatment unit second output;
Air heat and wet treatment unit, lowers the temperature to air, dehumidification treatments or heating, adds wet process.
Further, described air heat and wet treatment unit is based on the cooling and dehumidifying of solution-type air-treatment technology, warming and humidifying module and regeneration module.
Further, described air heat and wet treatment unit comprises second and changes cold or heat-exchanger rig, solution humidifying unit, solution humidifying unit and circulation line, described solution humidifying unit solution humidifying unit comprises heat exchange core body, heat exchange core body and second changes the salting liquid that cold or heat-exchanger rig flows out and is connected, regeneration of waste liquor unit comprises regeneration unit heat exchange core body and water compensating valve, water compensating valve to regeneration unit moisturizing to control the concentration of solution; Second changes cold or heat-exchanger rig is positioned on the first link of air heat and wet treatment unit, and the second refrigeration or heating combined equipment are connected with the salting liquid flowed out in solution humidifying unit.
Further, described air heat and wet treatment unit also comprises the 3rd and changes cold or heat-exchanger rig, and the 3rd changes cold or thermal is positioned on the second link of air heat and wet treatment unit, and the 3rd to change cold or heat-exchanger rig be plate type heat exchanger.
Further, described air heat and wet treatment unit is made up of cooling and dehumidifying or heat(ing) coil, dehumidifying or humidification module and regeneration module.
Further, solution mass transter circulation line and recuperation of heat plate type heat exchanger is provided with between described heat exchange core body and regeneration unit heat exchange core body.
Further, described first refrigeration or heating combined equipment are cooling or heat(ing) coil; First to change cold or heat-exchanger rig be plate type heat exchanger.
Further, described second to change cold or heat-exchanger rig be plate type heat exchanger.
Further, described external thermal source comprises the municipal hot water of temperature between 30 DEG C-70 DEG C or waste heat of plant.
Further, the module of the air themperatures such as the described air heat and wet treatment unit frozen cooling also comprised based on surface cooling air-treatment technology dehumidifies, surface heat exchanging heating, steam humidification or electric humidification, humidity process and block combiner.
Compared with existing Fresh air handling units, the aircondition of anti-freeze type of the present invention has following characteristics and feature performance benefit:
1. the present invention constructs a kind of newly, more practical Fresh air handling units.Conventional Fresh air handling units must carry out electric preheating to the new wind in outdoor in the winter time, and needs outer boundary low-temperature receiver or thermal source to new wind (air) cooling, dehumidifying or heating, humidification.Solution humidifying Fresh air handling units needs with low-temperature water heating and solution heat exchange, by the solution that heats again to air heat, but when hot water temperature is very low time, do not reach the effect to air heat, need after solution module, increase heat pump or electric reheat machine.And apparatus of the present invention can outer boundary low-temperature receiver or thermal source directly to outdoor pre-cooling of fresh air or preheating, and heat and wet treatment is carried out to air.
2. energy-efficient.Compared with traditional Fresh air handling units, owing to reducing host configuration and distributing system, and carry cold or heat source unit, energy consumption can reduce by more than 30%, owing to eliminating electric preheater, can reduce the energy consumption of more than 20% than conventional Fresh air handling units.
3. significantly reduce construction costs.Save the transfer pipeline between cold or thermal source machine room to tail end air conditioner unit, Civil Cost about 3% can be reduced, reduce air-conditioning system cost about 5%.
4. simplify air-conditioner control system/automatic building control system.For air-conditioner control system, only need carry out managing concentratedly to " aircondition " of the present invention, indoor end device (as fan coil) and control, air-conditioner control system greatly simplifies.Conventional air conditioning system must control cold or heat resource equipment, circulating pump, Fresh air handling units, air-conditioner set, indoor end device (as fan coil) etc., very complicated.
5. reduce operational management skill difficulty, save management cost, and can administrative staff be saved.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention;
Fig. 2 is the structural representation of second embodiment of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention:
Embodiment 1
As shown in Figure 1, a kind of anti-freeze type aircondition of the present invention, comprises precooling or preheating unit, provides the cold or heat source unit of cold or heat and can lower the temperature to air, dehumidification treatments or heating, add the air heat and wet treatment unit of wet process for the wet unit of process air heat.
Described precooling or preheating unit comprise the first refrigeration or heating combined equipment 3, first changes cold or heat-exchanger rig 4, ethylene glycol solution pump 5, glycol circulation pipeline 10, and the medium in precooling or preheating unit is ethylene glycol.
Described cold or heat source unit comprises compressor 6, expansion valve 7, and refrigerant circulation line, refrigerant circulation line comprises the first main line 101, second main line 102, 3rd main line 103, 4th main line 104, described first main line is connected with air heat and wet treatment unit first link, second main line is connected with compressor input by air heat and wet treatment unit first output, 3rd main line is connected with air heat and wet treatment unit second link by compressor output end, 4th main line is connected with compressor input by air heat and wet treatment unit second output.
Air heat and wet treatment unit comprises second and changes cold or heat-exchanger rig 8, the 3rd and change cold or heat-exchanger rig 9, solution humidifying unit, solution humidifying unit and circulation line, solution humidifying unit solution humidifying unit comprises heat exchange core body, heat exchange core body and second changes the salting liquid that cold or heat-exchanger rig flows out and is connected, regeneration of waste liquor unit comprises regeneration unit heat exchange core body and water compensating valve, water compensating valve to regeneration unit moisturizing to control the concentration of solution; Second changes cold or heat-exchanger rig is positioned on the first link of air heat and wet treatment unit, and the second refrigeration or heating combined equipment are connected with the salting liquid flowed out in solution humidifying unit.
Second refrigeration or heating combined equipment 8 are connected with the salting liquid flowed out in the damping unit heat exchange core body 1 in air heat and wet treatment unit, for cooling or adding hot-salt solution to strengthen its dehumidifying or humidification capability.
3rd refrigeration or heating combined equipment 9 are connected with the salting liquid flowed out in the regeneration unit heat exchange core body 2 in air heat and wet treatment unit, for heating or cooling salting liquid to strengthen its power of regeneration.
Cold or heat source unit can arrange many groups as required, second refrigeration or heating combined equipment 8, take cold-producing medium as the cold of carrier or heating agent output system, the 3rd refrigeration or heating combined equipment 9, need according to damping unit, take cold-producing medium as the cold of carrier or heating agent output system and regeneration unit, the quantity of cooling or heat-exchange system mates with it one by one, compressor 6 and expansion valve 7 then can arrange one or more as required.
Air heat and wet treatment unit is made up of solution humidifying unit and regeneration of waste liquor unit.
Solution humidifying unit is made up of heat exchange core body 1, solution circulation pump 11, regeneration of waste liquor unit is made up of heat exchange core body 2, solution circulation pump 13, water compensating valve 14, the effect of water compensating valve 14 is to control the concentration of solution to regeneration unit moisturizing, in addition, also have a set of solution mass transter circulation line and recuperation of heat plate type heat exchanger 12 between damping core body 1 and regeneration core body 2, recuperation of heat plate type heat exchanger 12 is for reducing the irreversible loss caused because solution temperature is different between damping core body 1 from regeneration core body 2; Solution humidifying unit, regeneration unit and solution mass transter circulation line thereof can according to except or add moisture need one or more groups is set.
The flow process of the unit of present embodiment operationally air and solution is as follows:
Ethylene glycol solution changes cold or heat-exchanger rig by first and external cold or heat-source energy exchanges, and is transported in the first refrigeration or heating combined equipment by ethylene glycol solution circulating pump, absorbs cold or the heat of new wind, carries out precooling, pre-dehumidified or preheating to air, first salting liquid is transported in upper hot and humid area core body 2 by solution circulation pump, caloic exchange is carried out with the new wind entering heat exchange core body, flow in lower hot and humid area core body 1 by solution line again after absorbing the cold of new wind or heat, carry out caloic exchange with the air entering this heat exchange core body, air lowered the temperature, dehumidify or heats, humidification, the concentration of salt solution absorbed after moisture in air or release moisture reduces or raises, enter in regeneration unit heat exchange core body 2 by solution mass transter circulation line, and the salting liquid that the concentration of outflow is lower or higher from regeneration unit heat exchange core body 2 is after the 3rd refrigeration or heating combined equipment 9 heat or cool, caloic exchange is carried out with new wind in regeneration unit heat exchange core body 2, moisture in salting liquid and heat enter in new wind or solution absorbs moisture in new wind and heat, the concentration of solution raises or reduces, and then the heat exchange core body 1 of damping unit is flowed into by solution mass transter pipeline, and carry out heat recovery with the rare or concentrated solution flowed into from heat exchange core body 1 in regeneration unit heat exchange core body 2 by plate type heat exchanger 12.
Embodiment 2
As shown in Figure 2, the aircondition of the anti-freeze type of present embodiment, is with embodiment one difference:
Anti-freeze type aircondition comprises: ethylene glycol defroster, air degree of depth heat and wet treatment unit.
Ethylene glycol defroster comprises: precooling or preheating device 1, glycol circulation pump 2, first change cold or heat-exchanger rig 3, take ethylene glycol solution as the distributing system 4 of carrier;
Precooling or preheating device 1 are as pre-cooled or preheat coil pipe, for cooling air, dehumidify or heating;
Air degree of depth heat and wet treatment unit is made up of humidification module 5 and reheating module 6, this air heat and wet treatment unit can according to cooling, dehumidifying or heating, add moisture need one or more groups is set.
The flow process of the unit of present embodiment operationally air is as follows: first outdoor air enters pre-cooled dehumidifying or preheat in coil pipe, then sends into indoor after dehumidifying and cooling or heating further.
Main feature of the present invention: do not need winter to carry out electric preheating to the new wind in outdoor, and refrigeration or heating combined equipment are integrated in air-conditioner set, new wind (air) is carried out to the process of temperature and humidity.Compare and distributing system that traditional central air conditioner system can reduce between cold or heat resource equipment, cold or thermal source machine room, cold or thermal source to air-conditioner set, significantly reduce the transmission & distribution energy consumption of air-conditioning system simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.

Claims (10)

1. an aircondition for anti-freeze type, is characterized in that: comprise precooling or preheating unit, cold or heat source unit, air heat and wet treatment unit and be the cold of carrier or heating agent pipeline with cold-producing medium;
Precooling or preheating unit, can directly to air cooling-down, dehumidification treatments or heating, described precooling or preheating unit comprise circulation line, pump, the first refrigeration or heating combined equipment and first and change cold or heat-exchanger rig, described first refrigeration or heating combined equipment and first are changed cold or heat-exchanger rig and are communicated with by circulation line, circulation line is provided with pump, and first changes cold or heat-exchanger rig is cold with the external world or thermal source is connected; Medium in precooling or preheating unit is ethylene glycol;
Cold or heat source unit, for providing cold or heat for the hot humidity load of process air; Cold or heat source unit comprises compressor, expansion valve and refrigerant circulation line, described refrigerant circulation line comprises the first main line, the second main line, 3rd main line and the 4th main line, first main line is connected with air heat and wet treatment unit first link, second main line is connected with compressor input by air heat and wet treatment unit first output, 3rd main line is connected with air heat and wet treatment unit second link by compressor output end, and the 4th main line is connected with compressor input by air heat and wet treatment unit second output;
Air heat and wet treatment unit, lowers the temperature to air, dehumidification treatments or heating, adds wet process.
2. aircondition according to claim 1, is characterized in that: described air heat and wet treatment unit is based on the cooling and dehumidifying of solution-type air-treatment technology, warming and humidifying module and regeneration module.
3. aircondition according to claim 2, it is characterized in that: described air heat and wet treatment unit comprises second and changes cold or heat-exchanger rig, solution humidifying unit, solution humidifying unit and circulation line, described solution humidifying unit solution humidifying unit comprises heat exchange core body, heat exchange core body and second changes the salting liquid that cold or heat-exchanger rig flows out and is connected, regeneration of waste liquor unit comprises regeneration unit heat exchange core body and water compensating valve, water compensating valve to regeneration unit moisturizing to control the concentration of solution; Second changes cold or heat-exchanger rig is positioned on the first link of air heat and wet treatment unit, and the second refrigeration or heating combined equipment are connected with the salting liquid flowed out in solution humidifying unit.
4. the aircondition according to Claims 2 or 3, it is characterized in that: described air heat and wet treatment unit also comprises the 3rd and changes cold or heat-exchanger rig, 3rd changes cold or thermal is positioned on the second link of air heat and wet treatment unit, and the 3rd to change cold or heat-exchanger rig be plate type heat exchanger.
5. according to the aircondition that claim 4 is stated, it is characterized in that: described air heat and wet treatment unit is made up of cooling and dehumidifying or heat(ing) coil, dehumidifying or humidification module and regeneration module.
6. aircondition according to claim 3, is characterized in that: be provided with solution mass transter circulation line and recuperation of heat plate type heat exchanger between described heat exchange core body and regeneration unit heat exchange core body.
7. aircondition according to claim 1, is characterized in that: described first refrigeration or heating combined equipment are cooling or heat(ing) coil; First to change cold or heat-exchanger rig be plate type heat exchanger.
8. according to the aircondition that claim 3 is stated, it is characterized in that: described second to change cold or heat-exchanger rig be plate type heat exchanger.
9. according to the aircondition that claim 1 is stated, it is characterized in that: described external thermal source comprises the municipal hot water of temperature between 30 DEG C-70 DEG C or waste heat of plant.
10. aircondition according to claim 1, is characterized in that: the module of the air themperatures such as the described air heat and wet treatment unit frozen cooling also comprised based on surface cooling air-treatment technology dehumidifies, surface heat exchanging heating, steam humidification or electric humidification, humidity process and block combiner.
CN201410837125.XA 2014-12-29 2014-12-29 Anti-freezing air conditioner Pending CN104566719A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299801A (en) * 2015-10-21 2016-02-03 杭州清稞节能环保科技有限公司 Evaporative cooling type direct-expansion air processor
CN105387545A (en) * 2015-12-09 2016-03-09 江苏格瑞力德空调制冷设备有限公司 Double-cold-source fresh air unit achieving heat dissipation by means of fresh air through solution
CN106705281A (en) * 2016-11-17 2017-05-24 新奥泛能网络科技股份有限公司 Fresh air system
WO2020237763A1 (en) * 2019-05-31 2020-12-03 广东美的制冷设备有限公司 Humidifying device, air conditioner, and control method for air conditioner

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CN104197435A (en) * 2014-07-18 2014-12-10 北京格瑞力德空调科技有限公司 Solution type full-air air conditioning unit equipped with cold source and heat source completely
CN204534915U (en) * 2014-12-29 2015-08-05 北京格瑞力德空调科技有限公司 A kind of aircondition of anti-freeze type

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JPS56127132A (en) * 1980-03-10 1981-10-05 Toho Gas Kk Dehumidification type cooler
US5435150A (en) * 1993-02-06 1995-07-25 Behr Gmbh & Co. Apparatus for heating and/or cooling a cabin
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299801A (en) * 2015-10-21 2016-02-03 杭州清稞节能环保科技有限公司 Evaporative cooling type direct-expansion air processor
CN105387545A (en) * 2015-12-09 2016-03-09 江苏格瑞力德空调制冷设备有限公司 Double-cold-source fresh air unit achieving heat dissipation by means of fresh air through solution
CN106705281A (en) * 2016-11-17 2017-05-24 新奥泛能网络科技股份有限公司 Fresh air system
WO2020237763A1 (en) * 2019-05-31 2020-12-03 广东美的制冷设备有限公司 Humidifying device, air conditioner, and control method for air conditioner

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