CN102052715B - Multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system utilizing ultrasonic atomization technology - Google Patents
Multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system utilizing ultrasonic atomization technology Download PDFInfo
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- CN102052715B CN102052715B CN 201010587750 CN201010587750A CN102052715B CN 102052715 B CN102052715 B CN 102052715B CN 201010587750 CN201010587750 CN 201010587750 CN 201010587750 A CN201010587750 A CN 201010587750A CN 102052715 B CN102052715 B CN 102052715B
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Abstract
Multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system utilizing the ultrasonic atomization technology belongs to the field of air-conditioning energy saving technology. The system changes the traditional liquid desiccant dehumidifier structure and adopts a multi-stage M-shaped air way to replace dehumidifying filling materials. Salting liquid is atomized by utilizing the ultrasonic technology, and humid air to be processed is in full contact with atomized salting liquid granules in a dehumidification air-conditioning box before heat and mass transfer is carried out. Due to the adoption of the M-shape air way structure, building space is fully utilized, air-liquid contact reaction time is prolonged, and meanwhile, the air-liquid contact area is increased due to the ultrasonically atomized salting liquid granules. Compared with the traditional filling material type dehumidification air-conditioning system, the invention has the major advantages that the building pace utilization rate is high, system resistance force is small, meanwhile, the air-liquid contact area and the air-liquid reaction time are increased, and the liquid desiccant dehumidification rate is improved. Therefore, the air conditioning energy consumption is remarkably reduced.
Description
Technical field:
The present invention relates to a kind of solution dehumidifying air-conditioning system, especially a kind of multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system that utilizes ultrasonic atomization technology.Belong to the air conditioner energy saving technical field.
Background technology:
Dehumidifier/air-conditioning system has consumed mass energy when being the work of mankind's Creating Comfort and living environment.Studies show that, the dehumidifying energy consumption of summer air-conditioning accounts for the 20%-40% of whole air-treatment energy consumption, and thus, dehumidification system is energy-conservation has very important status in air conditioner energy saving.Compare with the cooling dehumidification air conditioner of tradition, the solution dehumidifying air-conditioning system power consumption be only its 25%, and can be good at utilizing the low-grade heat sources such as solar energy, industrial exhaust heat, system and structure are also very flexible, both can be separately as dehumidification equipment, can be used in conjunction with traditional air-conditioning system again, effectively reduce its energy consumption; The dehumidification solution that uses simultaneously can effectively be removed air pollutants, improves indoor air quality.Therefore, liquid desiccant air conditioning is subject to studying widely and using in recent years with its huge advantage.
Dehumidifier is the core component of solution dehumidification system, and its structure is one of key factor that affects wet-out property.Usually the characteristics that require dehumidifier to have: 1, the solid phase resistance is little; 2, packing specific area wants large.The filler dehumidifier is present most widely used dehumidifier, and Chinese scholars is also constantly studying to improve its wet-out property.The people such as Li Weiyi are in " experimental study of liquid dehumidifying characteristic " (solar energy journal, 2000,21 (4): 391-395) propose the structured packing of a kind of ripple orifice plate in a literary composition, can increase packing specific area.The people such as Gandhidasan are at " Evaluation of heat and mass transfer coefficients in agauze-type structured packing air dehumidifier operating with liquid desiccant " (InternationalJournal ofRefrigeration, 2002,25 (3): 330-339) propose a kind of structural filler in a literary composition, this filler is used for air dewetting the performance of caloic transmission preferably, and points out that structural filler has less Pressure Drop.But the specific area of undeniable increase filler, the also corresponding increase of its solid phase resistance.The people such as Sun Hejiang also explicitly point out in " experiment of idle call metal packing heat and mass transfer performance " (the journal Vo1.38No.6Jun.2005 of University Of Tianjin) literary composition: " experiment shows, the specific area of filler is larger on heat transfer and the mass-transfer performance impact of filler.But the specific area increase can cause the filler resistance to rise appreciably, and therefore, can not emphasize simply to improve by the specific area that increases filler the thermal property of filler.”
Pursue high specific area and little solid phase resistance, make the difficulty of processing of filler become large, production cost increase; In order to improve comprehensive dehumidification rate, adopt multistage filler dehumidifying tower to take larger space simultaneously.In addition in prior art, application number is 200810041926.X, and name is called the patent of invention based on the compound solution dehumidification system of ultrasonic atomization technique, proposes to utilize ultrasonic technology with solution atomization, and carry out compound-dehumidifying in conjunction with packed tower, to improve effect on moisture extraction.But it still exists SR large, complex structure, and space hold is large, the shortcoming that dehumidification rate is limited, thereby further developing of filler dehumidifying technology is restricted.
Summary of the invention:
For deficiency and the defective that overcomes prior art, the present invention proposes a kind of multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system that utilizes ultrasonic atomization technology.
The present invention is achieved through the following technical solutions: the present invention includes blast pipe, dehumidification air conditioner case, exhaust duct, demister, two salting liquid atomising devices, supersonic generator, weak solution groove, the first solution pump, regenerating unit, concentrated solution cylinder and the second solution pumps, wherein dehumidification air conditioner case inside is multi-stage M-shaped air way liquid desiccant.Two ultrasonic wave salting liquid atomising devices are to adopt anti-corrosive alloy material to process, and are arranged on respectively the dehumidification air conditioner box top.The signal output part of supersonic generator is connected with the signal receiving end of two ultrasonic wave salting liquid atomising devices respectively.Blast pipe and exhaust duct are arranged on respectively the both sides, top of dehumidification air conditioner case.Blast pipe communicates with pending air, and demister is arranged on exhaust duct inside, and exhaust duct is discharged processed air.The weak solution groove is positioned at below the dehumidification air conditioner case, and 3 tapholes of dehumidification air conditioner case bottom communicate with the weak solution groove, and the dehumidification air conditioner case is by being arranged on the stent support in the weak solution groove.The outlet of weak solution groove is connected with the regenerating unit import by the first solution pump, the regenerating unit outlet is connected with the import of concentrated solution cylinder, fill dense salting liquid in the concentrated solution cylinder, its outlet is connected with the import of two ultrasonic wave salting liquid atomising devices respectively through the second solution pump.Concentrated solution adopts calcium chloride, lithium chloride, lithium bromide or its mixed solution.
Ultrasonic wave salting liquid atomising device receives the ultrasonic signal that supersonic generator produces, and dense salting liquid is atomized into the salt fog particle.In the dehumidification air conditioner case, pending humid air fully contacts with the salting liquid atomizing particle, carry out the caloic exchange, thinning after moisture in salting liquid atomizing particle absorption humid air, be deposited in gradually bottom the dehumidification air conditioner case, enter the weak solution groove, weak solution is through regenerating unit regeneration concentrated solution, and is constantly recycling.Remove with demister and fail dry air to be sent into air-conditioned room after the liquid particles of sedimentation.
Beneficial effect of the present invention: the salting liquid atomizing particle that is produced by ultrasonic wave replaces filler, in the dehumidification air conditioner case, the solid phase resistance significantly reduces, the specific area that the atomizing of salting liquid simultaneously makes the solution of equal in quality produce increases greatly, and the gas-liquid contact area effectively promotes.M shape air duct takes full advantage of space in addition, has effectively extended the distance that humid air sweeps along the salting liquid atomizing particle to advance, and the gas liquid reaction time increases greatly.The present invention is than conventional filler formula dehumidifier/air-conditioning system, and maximum advantage is that the space utilization rate is large, and SR is little, increases simultaneously gas-liquid contact place's area and gas-liquid reaction time, improves solution dehumidification efficient, thereby significantly reduces air conditioning energy consumption.
Description of drawings:
Fig. 1 is the schematic diagram of ultrasonic atomization solution dehumidifying air-conditioning system of the present invention:
1 blast pipe in figure, 2 dehumidification air conditioner casees, 3 exhaust ducts, 4 demisters, 5 ultrasonic wave salting liquid atomising devices, 6 supersonic generators, 7 weak solution grooves, 8 first solution pumps, 9 regenerating units, 10 concentrated solution cylinders, 11 second solution pumps.
The specific embodiment:
Below in conjunction with accompanying drawing, concrete enforcement of the present invention is further described:
As shown in Figure 1, the present invention includes blast pipe 1, dehumidification air conditioner case 2, exhaust duct 3, demister 4, two salting liquid atomising devices 5, supersonic generator 6, weak solution groove 7, the first solution pump 8, regenerating unit 9, concentrated solution cylinder 10 and the second solution pumps 11, wherein dehumidification air conditioner case 2 adopts the cube structure casing that corrosion-resistant PVC materials are made, and inner baffle plate by corrosion-resistant PVC material is divided into 2～3 grades of M shape air ducts.Two ultrasonic wave salting liquid atomising devices 5 are to adopt anti-corrosive alloy material to process, and are arranged on respectively dehumidification air conditioner case 2 tops.The signal output part of supersonic generator 6 is connected with the signal receiving end of two ultrasonic wave salting liquid atomising devices 5 respectively.Blast pipe 1 and exhaust duct 3 are arranged on respectively the both sides, top of dehumidification air conditioner case 2.Blast pipe 1 communicates with pending air, and demister 4 is arranged on exhaust duct 3 inside, and exhaust duct 3 is discharged processed air.Weak solution groove 7 is positioned at below dehumidification air conditioner case 2, and 3 tapholes of dehumidification air conditioner case 2 bottoms communicate with weak solution groove 7, and dehumidification air conditioner case 2 is by being arranged on the stent support in weak solution groove 7.7 outlets of weak solution groove are connected with regenerating unit 9 imports by the first solution pump 8, regenerating unit 9 outlets are connected with 10 imports of concentrated solution cylinder, fill dense salting liquid in concentrated solution cylinder 10, its outlet is connected with the import of two ultrasonic wave salting liquid atomising devices 5 respectively through the second solution pump 11.Salting liquid adopts calcium chloride, lithium chloride, lithium bromide or its mixed solution.
When dehumidifier/air-conditioning system is started working, two ultrasonic wave salting liquid atomising devices 5 receive the ultrasonic signal that produces from supersonic generator 6, the generation scope is at the vibration of ultrasonic wave of 44～47kHz, this vibration of ultrasonic wave is atomized into dense salting liquid the salt fog particle of 30～50 microns of diameters, and sends in dehumidification air conditioner case 2.Pending humid air fully contacts in multi-stage M-shaped air way liquid desiccant with the salting liquid atomizing particle, carries out the caloic exchange.Atomizing particle absorbs after moisture thinning, is deposited in gradually dehumidification air conditioner case 2 bottoms, enters weak solution groove 7.Weak solution is sent into respectively two ultrasonic wave salting liquid atomising devices 5 by the second solution pump 11 recycling after regenerating unit 9 regeneration concentrated solutions.Processed air is removed through demister 4 and is failed to be discharged by exhaust duct 3 after the liquid particles of sedimentation, obtains the required dry air of air-conditioned room.
Claims (4)
1. multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system that utilizes ultrasonic atomization technology, comprise blast pipe (1), dehumidification air conditioner case (2), exhaust duct (3), demister (4), two salting liquid atomising devices (5), supersonic generator (6), weak solution groove (7), the first solution pump (8), regenerating unit (9), concentrated solution cylinder (10) and the second solution pump (11), it is characterized in that dehumidification air conditioner case (2) is the cube structure casing, inside is divided into 2～3 grades of M shape air ducts by baffle plate, two ultrasonic wave salting liquid atomising devices (5) are arranged on respectively dehumidification air conditioner case (2) top, the signal output part of supersonic generator (6) is connected with the signal receiving end of two ultrasonic wave salting liquid atomising devices (5) respectively, and described supersonic generator (6) generation scope is at the vibration of ultrasonic wave of 44～47kHz, blast pipe (1) and exhaust duct (3) are arranged on respectively the both sides, top of dehumidification air conditioner case (2), blast pipe (1) communicates with pending air, and demister (4) is arranged in exhaust duct (3), weak solution groove (7) is positioned at below dehumidification air conditioner case (2), and 3 tapholes of dehumidification air conditioner case (2) bottom communicate with weak solution groove (7), and dehumidification air conditioner case (2) is by being arranged on the interior stent support of weak solution groove (7), weak solution groove (7) outlet is connected with regenerating unit (9) import by the first solution pump (8), regenerating unit (9) outlet is connected with concentrated solution cylinder (10) import, the concentrated solution cylinder fills dense salting liquid in (10), its outlet is connected with the import of two ultrasonic wave salting liquid atomising devices (5) respectively through the second solution pump (11), the scope that ultrasonic wave salting liquid atomising device (5) receives supersonic generator (6) generation is atomized into dense salting liquid the salt fog particle of 30～50 microns of diameters at the vibration of ultrasonic wave of 44～47kHz, send in dehumidification air conditioner case (2).
2. the multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system that utilizes ultrasonic atomization technology according to claim 1, is characterized in that the casing of described dehumidification air conditioner case (2) and interior panelling all adopt corrosion-resistant PVC material to make.
3. the multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system that utilizes ultrasonic atomization technology according to claim 1, is characterized in that described ultrasonic wave salting liquid atomising device (5) is to be processed by anti-corrosive alloy material.
4. the multi-stage M-shaped air way liquid desiccant dehumidification air-conditioning system that utilizes ultrasonic atomization technology according to claim 1, is characterized in that described salting liquid is to adopt calcium chloride, lithium chloride, lithium bromide or its mixed solution.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102416309B (en) * | 2011-08-05 | 2013-12-11 | 上海交通大学 | Liquid desiccant ultrasonic regeneration device |
| CN103217016B (en) * | 2013-04-09 | 2015-10-07 | 南京信息职业技术学院 | A kind of inorganic powder material synthesizer |
| CN104315638A (en) * | 2014-10-28 | 2015-01-28 | 东南大学 | Liquid dehumidification device based on ultrasonic atomization and electrostatic hydrophobic |
| CN104456782A (en) * | 2014-11-05 | 2015-03-25 | 江苏能绿低碳科技有限公司 | Air conditioning device and method based on efficient solar energy utilization and ultrasonic atomization |
| CN106731385B (en) * | 2016-12-26 | 2019-10-29 | 中国科学院理化技术研究所 | A kind of desalting system |
| CN111536604A (en) * | 2020-04-07 | 2020-08-14 | 东华大学 | Ultrasonic suspension solution dehumidification air conditioner |
Citations (5)
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| CN1279757A (en) * | 1997-11-16 | 2001-01-10 | 德里克尔有限公司 | Dehumidifier system |
| CN1415909A (en) * | 2002-09-28 | 2003-05-07 | 袁一军 | Multistage liquid dehumidification method |
| WO2006129200A2 (en) * | 2005-03-25 | 2006-12-07 | Adir Segal, Ltd. | System and method for managing water content in a fluid |
| CN101196321A (en) * | 2007-12-27 | 2008-06-11 | 上海交通大学 | Vaporizing and cooling air conditioning device based on ultrasonic technology |
| CN101344293A (en) * | 2008-08-21 | 2009-01-14 | 上海交通大学 | Compound solution dehumidification system based on ultrasonic atomization technology |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003056249A1 (en) * | 2001-12-27 | 2003-07-10 | Drykor Ltd. | High efficiency dehumidifiers and combined dehumidifying/air-conditioning systems |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279757A (en) * | 1997-11-16 | 2001-01-10 | 德里克尔有限公司 | Dehumidifier system |
| CN1415909A (en) * | 2002-09-28 | 2003-05-07 | 袁一军 | Multistage liquid dehumidification method |
| WO2006129200A2 (en) * | 2005-03-25 | 2006-12-07 | Adir Segal, Ltd. | System and method for managing water content in a fluid |
| CN101196321A (en) * | 2007-12-27 | 2008-06-11 | 上海交通大学 | Vaporizing and cooling air conditioning device based on ultrasonic technology |
| CN101344293A (en) * | 2008-08-21 | 2009-01-14 | 上海交通大学 | Compound solution dehumidification system based on ultrasonic atomization technology |
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