CN101666529B - Solar air-conditioner - Google Patents

Solar air-conditioner Download PDF

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CN101666529B
CN101666529B CN 200910102262 CN200910102262A CN101666529B CN 101666529 B CN101666529 B CN 101666529B CN 200910102262 CN200910102262 CN 200910102262 CN 200910102262 A CN200910102262 A CN 200910102262A CN 101666529 B CN101666529 B CN 101666529B
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solar air
generator
evaporator
heat
absorber
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CN101666529A (en
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顾全军
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顾全军
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/14Thermal storage
    • Y02E60/147Cold storage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10General improvement of production processes causing greenhouse gases [GHG] emissions
    • Y02P20/12Energy input
    • Y02P20/121Energy efficiency measures, e.g. energy management
    • Y02P20/122Energy efficiency measures, e.g. energy management characterised by the type of apparatus
    • Y02P20/124Boilers, furnaces, lighting or vacuum systems

Abstract

The invention relates to a solar air-conditioner comprising a U-shaped heat pipe collector, a lithium bromide absorption-type refrigerating machine, a heat storage water tank, a cold storage water tank, a circulation pump, a cooling tower, an air-cooled coil pipe, an auxiliary oil-fired boiler and an automatic control system. The lithium bromide absorption-type refrigerating machine comprises a high-pressure generator, a low-pressure generator, an evaporator, an absorber, a cooling tower, a cooled heat exchanger, a concentrator and a generator pump. Lithium bromide-water separators are respectively arranged in the high-pressure generator and the low-pressure generator. Surfactants are added in refrigerant solution. The solar air-conditioner does not need to consume lots of energy and has low requirement on heat energy, can utilize various low-grade heat energy besides the solar heat sources, and has good electricity saving and energy saving effects and high economic efficiency. The cold capacity regulating range is wide. Along with the change of external load, the unit can carry out stepless regulation on the cooling capacity within the range from 10% to 100%, and during low load regulation, the heat efficiency hardly falls and the properties are stable; therefore, the solar air-conditioner can better adapt to the requirement of variable load.

Description

一种太阳能空调 A solar air conditioning

技术领域 FIELD

[0001 ] 本发明涉及一种太阳能空调。 [0001] The present invention relates to a solar air conditioner. 背景技术 Background technique

[0002] 目前市场上的空调主要以电能为动力,把室内热量加以吸收排除到室外的循环系统。 [0002] Currently on the market, mainly in air conditioning energy as the driving force, the interior heat to be absorbed by the circulatory system to exclude outside. 这种空调装得越多,城市的大气温度会越高,则热岛效应会越强烈,另外,制冷循环介质氟里昂等氟化物的广泛使用,导致了大气臭氧层的破坏,恶化生态环境。 This air conditioner is the more, the higher the temperature of the atmosphere of the city, the heat island effect will be more intense. In addition, the refrigeration cycle using Freon and other media widely fluoride, resulting in the destruction of the ozone layer, the deterioration of ecological environment. 近几年,取代氟里昂作为工作介质的新型空调已经投放市场,但耗能严重的问题依然存在。 In recent years, instead of Freon as a new air conditioner working medium already on the market, but energy consumption serious problems remain. 目前大量使用的大型商用中央空调和家用壁挂、立式空调不太适合一些高档的住宅,迫切需要一种新的节能、环保型空调。 Large commercial central air conditioning and household current extensive use of wall-mounted, vertical air-conditioning is not suitable for some high-end residential, the urgent need for a new energy-saving, environment-friendly air-conditioning. 太阳能空调作为新型的节能环保型空调正逐渐被广泛应用,太阳能空调的季节适应性好,也就是说,系统制冷能力随着太阳辐射能的增加而增大,而这正好与夏季人们对空调的迫切要求一致。 As a new type of solar air-conditioning energy saving air-conditioning season is gradually being good adaptability widely used, solar air-conditioning, that is, the system cooling capacity increases as the sun radiation increases, which coincided with the summer people for air conditioning urgent requirement is consistent. 太阳能空调系统可以将夏季制冷、冬季采暖和其它季节提供热水结合起来,显著地提高了太阳能系统的利用率和经济性。 Solar air conditioning system may be cooling in summer and heating in winter combined to provide hot water and other seasons, significantly improve the efficiency and economics of solar energy systems. 然而现有的太阳能空调的制冷量往往达不到使用需求,如何开发一种具有优越制冷性能的太阳能空调正成为业内科研人员研发的方向。 However, existing solar air-conditioning cooling capacity is often less than needs, how to develop excellent solar air conditioner with a cooling performance of the industry is becoming the direction of R & D researchers.

发明内容 SUMMARY

[0003] 为提供一种具有高COP值(制冷机的性能系数)的太阳能空调,本发明提供以下技术方案。 [0003] To provide a solar air conditioner with a high COP value (coefficient of performance of the refrigerator), the present invention provides the following technical solutions.

[0004] 一种太阳能空调,由U型热管集热器、溴化锂吸收式制冷机、储热水箱、储冷水箱、 循环泵、冷却塔、风冷盘管、辅助燃油锅炉和自动控制系统组成,其中溴化锂吸收式制冷机由高压发生器、低压发生器、蒸发器、吸收器、冷却塔、冷热交换器、集中器、发生器泵组成, 在高压发生器和低压发生器内各有一溴化锂-水分离器,其中在制冷剂溶液中添加了表面活性剂。 [0004] A solar air conditioner, the U-shaped heat pipe collector, lithium bromide absorption chiller, hot water tank, the cold water storage tank, circulating pump, cooling tower, air coil, and the auxiliary fuel boiler automatic control system wherein the lithium bromide absorption chiller from the high-voltage generator, a low-pressure generator, an evaporator, an absorber, a cooling tower, a cold heat exchanger, concentrator, the pump generators, each having one lithium bromide in the high voltage generator and the low-pressure generator - water separator, a surfactant is added in the refrigerant solution. 反复实验后证明相比于现有的溴化锂吸收式制冷机可以使制冷量提高10%〜 20%。 After repeated experiments demonstrated as compared to conventional lithium bromide absorption chiller cooling capacity can be increased by 10% to 20%. 添加了表面活性剂后,主要有以下效果。 After adding the surfactant, there are the following effects.

[0005] (1)提高吸收效果 [0005] (1) improve the absorption effect

[0006] 添加表面活性剂后,溶液的表面张力大幅度下降,使溶液与水蒸汽的结合能力增强。 [0006] After the addition of the surfactant, the surface tension of the solution of a significant decline in the solution and the binding capacity enhanced water vapor. 另外,溴化锂水溶液的分压力降低,吸收推动力增大,提高了吸收效果。 Further, an aqueous solution of lithium bromide partial pressure decreases, the driving force is increased absorption, increased absorption.

[0007] (2)增强传热 [0007] (2) enhance heat transfer

[0008] 添加表面活性剂后,冷凝器由膜状凝结变为珠状凝结,提高了冷凝效果,添加后起到了改善凝结表面的作用。 [0008] After the addition of a surfactant, a condenser film condensation becomes dropwise condensation, the effect of improving the condensation, the condensation is added acts to improve the surface. 由于表面活性剂可以使铜管受热面完全润湿,含有表面活性剂的水蒸气与铜管受热面接触后,随后形成一层液膜,水蒸气在表面活性剂液膜上呈现珠状凝结。 Since the surfactant can make the brass heating surface completely wetted, and copper containing steam heating surface in contact with the surfactant, followed by formation of a liquid film, the water vapor condenses on the beads exhibit surfactant film. 珠状凝结的放热系数可比膜状凝结提高2倍以上,因而提高了冷凝器的传热效果。 Dropwise condensation heat coefficient than the Condensation of 2 times or more improved, thereby improving the heat transfer of the condenser.

[0009] 表面活性剂的密度较小,它总是漂浮在吸收器液囊的液面上。 Density [0009] The surfactant is small, it always floats on the liquid surface of the absorber sacs. 为了使表面活性剂能随着溶液的喷淋进入吸收器的传热面,在吸收器液面上可以设冲管,冲击活性剂,使之与溶液混合,然后通过喷淋溶液把它带至吸收器传热管。 In order to make the surfactant can enter the absorber heat transfer surface with the spray solution, the liquid level in the absorber may be provided on the punch tube, the impact the active agent, mixing it with the solution, by spraying the solution and then bring it to the absorber heat transfer tubes. [0010] 优选在蒸发器内设有上部蒸发器管簇和下部蒸发器管簇,上层冷剂水喷淋管和下层冷剂水喷淋管,由冷却泵输送的二次冷水剂分为上层二次冷水剂喷淋管和下层冷水剂喷淋管,吸收器内设有上部传热管蔟和下部传热管蔟,上层浓溶液喷淋头和下层浓溶液喷淋头。 [0010] preferably in an evaporator equipped with an upper portion of the evaporator tube bank and a lower tube nest of the evaporator, the refrigerant water spray pipe to the upper and lower water spray pipe to the refrigerant, the secondary cold water delivered by the cooling agent into the upper pump secondary cold water and the lower cold water spray pipe agent agent shower tube, equipped with an upper portion of the absorber heat transfer tube nest and a lower nest heat transfer tubes, a concentrated solution of the upper layer and the lower shower head showerhead concentrated solution. 形成一个双层喷淋装置和双层管簇结构,使得冷水剂和浓溶液均勻地分别喷在蒸发器管簇和吸收传热管簇上,提高了蒸发器和吸收器的工作效率,实现快速制冷。 Spray means forming a bilayer structure and double tube nest, so that the cold agent and the concentrated solution were uniformly sprayed in the evaporator and absorber heat transfer tube bank cluster tubes, improve the work efficiency of the evaporator and the absorber, fast refrigeration.

[0011] 优选的方案中,发生器、冷凝器、吸收器、蒸发器呈“田”字形排列,发生器与冷凝器之间,吸收器与蒸发器之间连通。 [0011] In a preferred embodiment, the generator, the condenser, the absorber, the evaporator as a "field" shaped arrangement, communication between the absorber and the evaporator between generator and condenser. 这种结构布置方式能使蒸发器与吸收器之间的流道面积增加,流阻减小,增强吸收效果,提高热循环效率。 This arrangement structure can increase the area of ​​the flow path between the evaporator and the absorber, the flow resistance is reduced, to enhance the absorption effect and improve the thermal cycle efficiency.

[0012] 优选在U型热管集热器、发生器、吸收器中安装6孔板式换热器。 [0012] Preferred mounting holes 6 in the plate heat exchanger U-shaped heat pipe collector, the generator, the absorber. 以提高发生器热效率。 To improve the thermal efficiency of the generator.

[0013] 在优选的方案中由U型热管集热器加热后的热媒水温度在60°C以上。 [0013] In a preferred embodiment the temperature of the heating medium water heated by the U-shaped heat pipe collector above 60 ° C. 更优选90°C 以上。 More preferably 90 ° C.

[0014] 优选的方案中还设有生活用储热水箱。 [0014] The preferred embodiment is further provided with a hot water storage tank life. 主要用于提供热媒水,一部分生活用热水也可以从生活用储热水箱中获得。 Mainly used to provide heat medium water, a part of life can be obtained from the hot water tank with hot water with life.

[0015] 所谓太阳能空调,就是利用热管集热器为空调提供其发生器所需的热媒水,热媒水的温度越高,则制冷机的性能系数(亦称COP)越高,这样空调系统的制冷效率也越高。 [0015] The so-called solar air conditioner is provided with heat pipe collector heat medium water generator which is required to air conditioning, the higher the temperature of the heat medium water, the higher the coefficient of performance of the refrigerator (also known as COP), so that air-conditioning cooling system efficiency is also higher. 例如,若热媒水温度60°c左右,则制冷机COP约0〜40 ;若热媒水温度90°C左右,则制冷机COP约0〜75 ;若热媒水温度100°C左右,则制冷机COP可达110以上。 For example, if the heat medium water temperature of about 60 ° c, the chiller COP of about 0 to 40; if the heat medium water temperature of about 90 ° C, COP is about 0~75 refrigerator; if the heating medium water temperature of about 100 ° C, the chiller COP up to 110 or more.

[0016] 在夏季,被U型热管集热器加热的热水首先进入储水箱,当热水温度达到一定值时,由储水箱向制冷机组提供热媒水;从制冷机组流出并已降温的热水流回储水箱,再由U 型热管集热器加热成高温热水;制冷机组产生的冷媒水通向空调箱,以达到制冷空调的目的。 [0016] In summer, the heated U-tube collectors first enters the hot water storage tank, when the hot water temperature reaches a certain value, the heat medium provided by the water to the cooling water tank unit; flows from the refrigeration unit and cooling is back into the hot water tank, and then heated by the U-shaped heat pipe collector into hot water; chilled water refrigeration units leading to conditioning tank, to achieve the purpose of refrigeration and air conditioning. 当太阳能不足以提供高温热媒水时,可由辅助燃油锅炉补充热量。 When solar energy is insufficient to provide high temperature heat medium water, auxiliary fuel can be added heat boiler.

[0017] 在冬季,同样先将U型热管集热器加热的热水进入储水箱,当热水温度达到一定值时,由储水箱直接向空调箱提供热水,以达到供热采暖的目的。 Objective [0017] In winter, the same first U-shaped heat pipe collector heated by hot water into the tank, when the hot water temperature reaches a certain value, provided by the storage tank hot water tank directly to the air conditioner, the heating system in order to achieve . 当太阳能不能够满足要求时,也可由辅助燃油锅炉补充热量。 When the solar can not meet the requirements, the auxiliary oil-fired boiler to supplement the heat can also be.

[0018] U型热管集热器具有效率高、耐冰冻、启动快、保温好、承压高、耐热冲击、运行可靠等诸多优点,是组成高性能太阳能空调系统的重要部件。 [0018] U-type heat pipe collector implement high efficiency, resistance to freezing, quick start, good insulation, high pressure, thermal shock resistance, reliable operation and many other advantages, are important components of high performance solar air conditioning system. U型热管集热器可为制冷机组提供88°C的热媒水,从而提高整个系统的制冷效率;还可在寒冷的冬季有效地工作,为建筑物供暖。 U-shaped heat pipe collector refrigeration unit may be provided as the heat medium water of 88 ° C, thereby improving the cooling efficiency of the whole system; may also work effectively in the cold winter for heating buildings.

[0019] 根据一天内太阳辐照度变化的固有特点,储热水箱不仅可以使系统稳定运行,还可以把太阳辐照高峰时的多余能量以热水形式储存起来。 [0019] The inherent characteristics of the day variation in solar irradiance, the hot water tank can not only make the system stable operation, but also when the sun irradiation peak excess energy stored in the form of hot water. 本发明所公开的技术方案与一般太阳能空调系统的不同之处在于设置了大、小两个储热水箱。 The technical solution disclosed in the present invention differs from the solar air-conditioning system is generally provided that large and small two hot water storage tank. 小储热水箱主要用于保证系统的快速启动。 Small heat storage tank is mainly used for fast startup guarantee system. 从而满足制冷和供暖的要求。 To meet heating and cooling requirements. 生活用储水箱为大储水箱。 Living with big storage tanks for the storage tank.

[0020] 尽管储热水箱可以储存能量,但它的能力毕竟是有限的。 [0020] While the hot water storage tank may store energy, but its capacity is limited after all. 本发明所公开的技术方案专门设计了一个储冷水箱。 The technical solution disclosed in the present invention a specially designed cold storage tank. 在白天太阳辐照充裕的情况下,可以将制冷机产生的冷媒水储存在储冷水箱内,其优点在于这种情况下的系统热量损失显然要比以热媒水形式储存在储热水箱中低得多,因为夏季环境温度与冷媒水温度之间的温差要明显小于热媒水温度与环境温度之间的温差。 In the daytime solar irradiation abundant, the chilled water can be produced a refrigerator stocked in the cold water tank, the system is advantageous in that heat loss in this case is clearly better than in the form of heat medium water stored in the hot water tank It is much lower, because the temperature difference between the ambient temperature and the summer the water coolant temperature is significantly less than the temperature difference between the heat medium water temperature and ambient temperature.

[0021] 所有太阳能系统的运行都不可避免地要受到气候条件的影响。 Run [0021] all solar systems are inevitably influenced by climatic conditions. 为使系统可以全天候发挥空调、采暖功能,辅助的常规能源是必不可少的。 To make the system can play an all-weather air-conditioning, heating function, auxiliary conventional energy sources is essential. 该太阳能空调系统选用了辅助燃油锅炉,在白天太阳辐照量不足以及夜间需要继续用冷或用热时,可随即启动辅助燃油锅炉, 确保系统持续稳定地运行。 The solar air conditioning system selected auxiliary oil-fired boilers, the amount of solar radiation during the day and the lack of need to continue the night with cold or hot when used, can immediately start the auxiliary oil-fired boiler, to ensure sustained and stable operation of the system.

[0022] 在利用太阳能部分地替代常规能源的系统中,系统启动、能量储存以及太阳能与常规能源之间切换等功能都采用CPU的自动化控制,5. 7寸彩色触摸屏安装在室内一目了然,控制人性化;另外,由于设置了几个储水箱,因此在不同的工况下自动启用不同的水箱, 走不同的管路,系统正常运行;本发明所公开的太阳能空调还有自动防过热和防冻结装置。 [0022] In the system to replace the conventional energy using solar partially, the system startup, the energy storage and switching functions between the solar and conventional energy both automated control of the CPU, 5.7-inch color touch screen mounted at a glance in the room, control human of; Further, since the number of storage tanks, tank thus automatically enabled different conditions in different along different lines, the normal operation of the system; the present invention is disclosed a solar air conditioner and automatic anti-freeze and anti-overheating device.

[0023] 在非空调采暖季节,只要将U型热管集热器加热的热水直接通向生活用储水箱中的热交换器,就可将储水箱中的冷水逐渐加热以供使用。 [0023] In the non-air-heating season, as long as the U-shaped heat pipe collector leads directly to the hot water heated by the life of the heat exchanger storage tank, the storage tank can be heated gradually cold water for use.

[0024] 本发明所公开的太阳能空调的优点: [0024] The present invention disclosed a solar air conditioner advantages:

[0025] 以热能为动力,无需耗用大量电能,而且对热能的要求不高,在太阳能热源意外还能利用各种低势热能,如废气、废热,(高于20kPa(0. ^gf/cm2)(表压))饱和蒸汽,各种排气,高于75°C的热水等;有利于热源的综合利用,因此运转费用低,若利用各种废气、废热来制冷,则几乎不需要花费运转装费用,便能获得大量的冷源,具有很好的节电、节能效果, 经济性高。 [0025] In the thermal energy as the driving force, without a considerable amount of energy, but also for less demanding heat, solar heat can use a variety of unexpected low potential energy, exhaust gas, waste heat (greater than 20kPa (0. ^ Gf / cm2) (gauge pressure)) of saturated steam, a variety of exhaust gas, the hot water above 75 ° C, and the like; beneficial utilization of the heat, thus low running cost, when using a variety of exhaust gases, waste heat refrigeration, almost no take a running installation costs, will be able to get a lot of cold source, has good energy-saving, energy-saving effect, the economy is high.

[0026] 整个制冷装置除功率很小的循环泵外,没有其他运行部件,振动小、噪声低,运行比较安静。 [0026] In addition to the power of the whole refrigeration apparatus of a small circulating pump, no other moving parts, vibration, low noise, relatively quiet operation.

[0027] 以水为工质,制冷机又在真空状态下运行,无臭、无毒、无爆炸危险,安全可靠,被誉为无公害的制冷设备,有利于满足环境保护的要求。 [0027] water as the working fluid, refrigerator and running in a vacuum, odorless, non-toxic, non-explosive, safe and reliable, known as pollution-free refrigeration equipment, help meet environmental protection requirements.

[0028] 冷量调节范围宽,随着外界负荷变化,机组可在10% -100%的范围内进行冷量无极调节,且低负荷调节时,热效率几乎不下降,性能稳定,能很好的适应变负荷的要求。 When the [0028] cold wide adjustment range, as the change of the external load, the unit can be cold stepless adjustment amount in the range of 10% to 100%, and low load adjustment, the thermal efficiency is hardly lowered, stable performance, can be very good accommodate variable load requirements.

[0029] 由于机组性能稳定,对外界条件变化的适应性强,因而操作比较简单,机组的维修保养方便。 [0029] Since the unit stable performance, strong adaptability to changes in external conditions, so operation is relatively simple, easy maintenance crew.

[0030] 安装简便,对安装基础的要求低。 [0030] ease of installation, low requirements of the installed base. 因运行是振动极小,故无需特殊的机座。 Operation is very small due to vibration, so that no special stand. 可安装在室内、室外底层、楼层屋顶。 It can be installed indoors, outdoors ground floor, floor roof.

附图说明 BRIEF DESCRIPTION

[0031] 图1为本发明所公开的太阳能空调的结构示意图。 [0031] FIG. 1 is a schematic structural diagram of the present invention disclosed in the solar air conditioner.

[0032] 图2为本发明所公开的太阳能空调的制冷循环示意图。 [0032] FIG. 2 of the present invention is disclosed a schematic diagram of a solar air-conditioning refrigeration cycle.

[0033] 图3为本发明所公开的太阳能空调的制热循环示意图。 [0033] FIG 3 disclosed the present invention the solar air heating cycle. FIG.

[0034] 图4为本发明所公开的太阳能空调的蒸发器的内部结构示意图。 Structural diagram [0034] Figure 4 is disclosed herein a solar air conditioner evaporator interior.

[0035] 图5为图2中A部放大图。 [0035] FIG. 5 is an enlarged view of A portion in FIG. 2.

具体实施方式 detailed description

[0036] 实施例1 [0036] Example 1

[0037] 如图1所示,一种太阳能空调,由U型热管集热器(1)、溴化锂吸收式制冷机(6)、 储热水箱(9)、储冷水箱、循环泵(7)、冷却塔(5)、风冷盘管(3)、辅助燃油锅炉(¾和自动控制系统(4)组成,如图2、图3所示,其中溴化锂吸收式制冷机(6)由高压发生器(13)、低压发生器(11)、蒸发器(17)、吸收器(12)、冷却塔(5)、冷热交换器(8)、集中器、发生器泵(27)组成,在高压发生器(1¾和低压发生器(11)内各有一溴化锂-水分离器,其中冷热交换器(8)由高温热交换器(1¾和低温热交换器(16)组成,在制冷剂溶液中添加了表面活性剂。 [0037] As shown, a solar air conditioner, the U-shaped heat collector tube (1), lithium bromide absorption chiller (6), the hot water tank (9), a cold water storage tank, circulating pump (71 ), the cooling tower (5), air cooling coil (3), an auxiliary boiler fuel (¾ and automatic control system (4), with FIG. 2, FIG. 3, wherein the lithium bromide absorption chiller (6) by a high pressure generator (13), the low pressure generator (11), an evaporator (17), absorber (12), the cooling tower (5), a cold heat exchanger (8), the concentrator, the pump generator (27) composed of in the high voltage generator (1¾ and a low pressure generator (each a bromide) 11 - water separator, wherein the cold heat exchanger (8) by a high temperature heat exchanger (1¾ and low temperature heat exchanger (16), with the refrigerant It was added a surfactant.

[0038] 制冷过程: [0038] Cooling process:

[0039] 如图2所示,从吸收器(1¾出来的稀溶液,由发生器泵07)升压经冷热交换器(8),被高压发生器(1¾出来的高温浓溶液加热温度提高后,进入发生器。在发生器中受到传热管内热源蒸汽加热,溶液温度提高直至沸腾,溶液中的水分逐渐蒸发出来,而溶液浓度不断增大。发生器中蒸发出来的制冷剂蒸汽向上经挡液板进入冷凝器(10),挡板液起气液分离作用,防止液滴随蒸气进入冷凝器(10),冷凝器(10)的传热管内通入冷却水,所以管外冷剂水蒸汽被冷却塔冷却,冷凝成水,此即冷剂水。积聚在冷凝器(10)下部的冷剂水节流后入蒸发器(17)内,因此冷凝器(10)中的压力比蒸发器(17)的压力要高。如:当冷凝器(10)温度为45°C时,冷凝压力为9580Pa(71.9mmHg);蒸发温度为5°C时,蒸发压力为872Pa(6.45mmHg),防止冷凝器(10)中的蒸汽直接进入蒸发器(17)。 [0039] As shown, from the absorber (1¾ out of the dilute solution, the pump 07 by the generator) boost the temperature of a high temperature concentrated solution is heated by the supercooling heat exchanger (8), the high voltage generator (1¾ out by 2 after entering the generator heat transfer tube by heating in a steam generator heat source, the temperature was raised until the boiling solution, the solution is gradually evaporated in the water, increasing the concentration of the solution. generator evaporates refrigerant vapor upwardly through liquid block plate into the condenser (10), liquid from gas-liquid separation action baffles prevent liquid droplets with the vapor into the condenser (10), the condenser heat transfer tube (10) opens into the cooling water, so that an outer refrigerant pipe cooling tower water vapor is condensed into water, namely water refrigerant. accumulated in the condenser (10) water refrigerant to the evaporator expansion of the lower portion (17), the pressure condenser (10) in the ratio an evaporator (17) to a high pressure such as: when the condenser (10) temperature of 45 ° C, the condensation pressure of 9580Pa (71.9mmHg); evaporating temperature of 5 ° C, the evaporation pressure of 872Pa (6.45mmHg) steam (10) is prevented from directly entering the condenser evaporator (17).

[0040] 冷剂水进入蒸发器(17)后,由于压力降低首先闪蒸出部分冷剂水。 After [0040] Water refrigerant into the evaporator (17), reducing the pressure first refrigerant portion flash off the water. 因蒸发器(17) 为喷淋式热交换器,喷淋量要比蒸发量大许多倍,故大部分冷剂水是聚集在蒸发器(17)的水盘内的,然后有冷剂水泵升压后送入蒸发器(17)的喷淋管中,经喷淋嘴淋到管簇外表上,在吸取了流量管内的的冷媒水的热量后,蒸发成低压的冷剂水蒸汽。 By evaporation (17) is a spray heat exchanger, the evaporator is greater than the amount of spray many times, so that most of the water is the refrigerant accumulated in the evaporator (17) of the water tray, and that the refrigerant pump after boosted into the evaporator (17) of the spray tube, the spray nozzle onto the pour tube nest appearance, draws in refrigerant heat water within the flow tubes, low-pressure refrigerant evaporated into steam. 由于蒸发器(17) 内压力较低。 Since the evaporator (17) a lower internal pressure. 故可以得到生产工艺过程或空调系统所需要的低温冷媒水,达到制冷的目的, 例如蒸发器(17)压力为872Pa时,冷剂水的蒸发温度为5°C,这时可以得到7°C的冷媒水。 It is possible to obtain a low-temperature coolant water production process or air conditioning system required to achieve the purpose of cooling, for example, (17) the evaporator pressure is 872Pa, the refrigerant evaporation temperature of water is 5 ° C, 7 ° C this time can be obtained refrigerant water. 蒸发出来大的冷剂蒸气挡板液将其杂的液滴分离后进去吸收器(12),被有吸收器泵08) 送来并均勻喷淋在吸收管簇外表中间溶液所吸收,溶液重新变稀。 Evaporated refrigerant vapor baffle large liquid into the absorber (12) after the droplet separator which heteroaryl is an absorbent pump 08) and fed in a uniform spray absorber outer tube bank intermediate solution is absorbed, re-solution thinning. 中间溶液是由来自溶液交换器放热降温后的浓溶液和吸收器(1¾液囊中的稀溶液缓和得到的。为保证吸收过程的不断进行,需将吸收过程所放出的热量有传热管内的冷却说及时带走,中间的溶液吸收了一定量的水蒸气后成为稀溶液,聚集吸收器(1¾底部液囊06)中,再由发生器泵(XT) 送到发生器,如此循环不已。连续制冷的目的。 Relaxation intermediate solution is a dilute solution (1¾ sacs from the solution after cooling heat exchanger and the concentrated solution obtained in the absorber. In order to ensure continuous absorption process, the need to absorb heat evolved during heat transfer pipe inner said cooled away in time, the intermediate solution after absorption of a certain amount of water vapor becomes dilute solution, aggregation of the absorber (1¾ bottom sac 06), and then by the generator pump (XT) to the generator, and the cycle continuous cooling purposes.

[0041] 如图4所示,蒸发器(17)内设有上部蒸发器管簇(19)和下部蒸发器管簇(M), 上层冷剂水喷淋管(18)和下层冷剂水喷淋管(25),吸收器(1¾内设有上部传热管蔟00) 和下部传热管蔟(23),上层浓溶液喷淋头和下层浓溶液喷淋头02)。 [0041] As shown in FIG. 4, an evaporator (17) is provided with an upper tube nest of the evaporator (19) and a lower tube nest of the evaporator (M), the upper refrigerant water spraying pipe (18) and the lower refrigerant water spray pipe (25), absorber (1¾ equipped with an upper portion of the heat transfer tube nest 00) and a lower heat transfer tube nest (23), an upper and a lower concentrated solution of a concentrated solution of the shower head shower head 02).

[0042] 在U型热管集热器(1)、发生器、吸收器(12)中安装6孔板式换热器09)。 [0042] The mounting holes 6 of plate heat exchanger 09) in the U-shaped heat collector tube (1), the generator, the absorber (12).

Claims (7)

1. 一种太阳能空调,由U型热管集热器、溴化锂吸收式制冷机、储热水箱、储冷水箱、循环泵、冷却塔、风冷盘管、辅助燃油锅炉和自动控制系统组成,其中溴化锂吸收式制冷机由高压发生器、低压发生器、蒸发器、吸收器、冷却塔、冷热交换器、集中器、发生器泵组成,在高压发生器和低压发生器内各有一溴化锂-水分离器,其特征在于在制冷剂溶液中添加了表面活性剂。 A solar air conditioner, the U-shaped heat pipe collector, lithium bromide absorption chiller, hot water tank, the cold water storage tank, circulating pump, cooling tower, air coil, and the auxiliary fuel boiler automatic control system, wherein the lithium bromide absorption chiller from the high-voltage generator, a low-pressure generator, an evaporator, an absorber, a cooling tower, a cold heat exchanger, concentrator, the pump generator composition within each high voltage generator and a low voltage generator LiBr - water separator, characterized in that the surfactant is added in the refrigerant solution.
2.如权利要求1所述的一种太阳能空调,其特征在于在蒸发器内设有上部蒸发器管簇和下部蒸发器管簇,上层冷剂水喷淋管和下层冷剂水喷淋管,吸收器内设有上部传热管蔟和下部传热管蔟,上层浓溶液喷淋头和下层浓溶液喷淋头。 A solar air conditioner as claimed in claim 1 refrigerant upper and lower water spray pipe sprinkler refrigerant pipe, characterized in that the evaporator in the evaporator equipped with an upper and a lower tube nest of the evaporator tube bank, the absorber heat transfer tube equipped with an upper nest and the lower nest heat transfer tubes, a concentrated solution of the upper layer and the lower shower head showerhead concentrated solution.
3.如权利要求1所述的一种太阳能空调,其特征在于发生器、冷凝器、吸收器、蒸发器呈“田”字形排列,发生器与冷凝器之间,吸收器与蒸发器之间连通。 3. A solar air conditioner 1 between the generator and the condenser, the absorber and the evaporator between the preceding claims, characterized in that the generator, the condenser, the absorber, the evaporator as a "field" shaped arrangement, connectivity.
4.如权利要求1所述的一种太阳能空调,其特征在于在U型热管集热器、发生器、吸收器中安装6孔板式换热器。 A solar air conditioner as claimed in claim 1, characterized in that the mounting holes 6 in the plate heat exchanger U-shaped heat pipe collector, the generator, the absorber.
5.如权利要求1所述的一种太阳能空调,其特征在于由U型热管集热器加热后的热媒水温度在60°C以上。 5. A solar air conditioner according to claim 1, characterized in that the temperature of the heating medium water heated by the U-shaped heat pipe collector above 60 ° C.
6.如权利要求1所述的一种太阳能空调,其特征在于由U型热管集热器加热后的热媒水温度在90°C以上。 A solar air conditioner as claimed in claim 1, characterized in that the temperature of the heating medium water heated by the U-shaped heat pipe collector above 90 ° C.
7.如权利要求1所述的一种太阳能空调,其特征在于还设有生活用储热水箱。 7. A solar air conditioner according to claim 1, further characterized in that the hot water storage tank is provided with life.
CN 200910102262 2009-09-10 2009-09-10 Solar air-conditioner CN101666529B (en)

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CN103540295A (en) * 2013-09-28 2014-01-29 昆山市周市溴化锂溶液厂 Absorption type lithium bromide circulating mixed medium and preparation method thereof
CN103776195B (en) * 2014-01-27 2016-03-02 艾绍奎 A kind of multi fuel thermal source assisted solar integrated refrigerating heating system
CN105841392B (en) * 2015-01-14 2018-02-23 北京燃气能源发展有限公司 The cold-heating system that a kind of solar energy is combined with natural gas
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