CN115264664A - An air spray desalination-two-bed regenerative solid dehumidification combined supply system - Google Patents
An air spray desalination-two-bed regenerative solid dehumidification combined supply system Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
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- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
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- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/153—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
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- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
- F24F8/133—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering by direct contact with liquid, e.g. with sprayed liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A20/124—Water desalination
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Abstract
本发明公开了一种空气喷淋除盐‑双床回热固体除湿联供系统,涉及空气除盐净化和湿度调控领域。该系统包括:主体框架、喷淋除盐单元、双床交叉流固体除湿单元以及切换控制单元。本系统将雾化喷淋与交叉流固体除湿相结合,首先通过雾化喷淋除去空气中盐雾,然后利用交叉流固体除湿器处理喷淋净化后的高湿空气。除湿单元通过双床回热匹配运行的方式实现除湿性能提升和连续除湿过程。因此,本发明可以结合喷淋除盐和固体除湿的双边优势,不仅可有效实现空气盐雾净化、提升空气品质,而且能够以高效节能的方式满足空气湿度调控需求。
The invention discloses an air spray demineralization-double bed heat recovery solid dehumidification combined supply system, which relates to the fields of air demineralization purification and humidity regulation. The system includes: a main frame, a spray demineralization unit, a double bed cross-flow solid dehumidification unit and a switching control unit. The system combines atomization spraying with cross-flow solid dehumidification. First, the salt mist in the air is removed by atomization spraying, and then the high-humidity air after spraying and purification is treated with a cross-flow solid dehumidifier. The dehumidification unit realizes the improvement of dehumidification performance and the continuous dehumidification process by means of double bed recuperation and matching operation. Therefore, the present invention can combine the bilateral advantages of spray demineralization and solid dehumidification, which can not only effectively realize air salt spray purification and improve air quality, but also meet air humidity regulation requirements in an efficient and energy-saving manner.
Description
技术领域technical field
本发明涉及空气除盐净化与湿度调控应用领域,特别涉及一种空气喷淋除盐-双床回热固体除湿联供系统。The invention relates to the application field of air desalination purification and humidity control, in particular to an air spray desalination-double-bed regenerative solid dehumidification combined supply system.
背景技术Background technique
我国地域辽阔,海岸线漫长,沿海地区常年处于高温高湿气候条件下,具有巨大的空调需求。另外,而且高湿高盐空气极易引起室内金属电子设备和绝缘材料等的腐蚀损坏,危及设备运行安全。因此,如何高效调控空气温湿度和净化盐雾成为经济发展的重要需求。my country has a vast territory and a long coastline, and the coastal areas are under high temperature and high humidity climate conditions all year round, which has a huge demand for air conditioning. In addition, high-humidity and high-salt air can easily cause corrosion damage to indoor metal electronic equipment and insulating materials, endangering the safety of equipment operation. Therefore, how to efficiently control air temperature and humidity and purify salt mist has become an important demand for economic development.
目前,电驱动蒸汽压缩空调仍是空调行业主力军,其通过“过冷冷凝”和“再热升温”两个过程耦合调控湿度与温度,这种耦合调控方式不但存在能量浪费问题,而且对于潜热负荷比高于25%的热湿环境将难以保证满意的热舒适度。。At present, electric-driven vapor compression air conditioners are still the main force in the air-conditioning industry. They regulate humidity and temperature through two processes of "supercooling condensation" and "reheating". It will be difficult to ensure satisfactory thermal comfort in a hot and humid environment with a load ratio higher than 25%. .
空气盐雾净化技术包括过滤、雾化喷淋、旋转分离、超重力分离和静电分离等。盐雾过滤技术通常适合较大盐雾颗粒的过滤,除盐效果不佳,而旋转分离、超重力分离和静电分离等技术系统结构复杂、维护成本高。相比之下,雾化喷淋作为一种简单有效的空气净化方法,不仅可以除去空气中盐雾颗粒,而且能够有效处理来自工商业体系产生的大量粉尘和酸性气体等污染物,将其应用于空调前端进行盐雾净化对提高空气品质具有重要意义。然而,雾化喷淋一个明显缺点是其会造成空气湿度显著升高,极大地增加空调潜热负荷。Air salt spray purification technologies include filtration, atomization spray, rotary separation, supergravity separation and electrostatic separation. Salt spray filtration technology is usually suitable for filtering larger salt spray particles, and the desalination effect is not good, while the technical systems such as rotary separation, super gravity separation and electrostatic separation have complex structures and high maintenance costs. In contrast, as a simple and effective air purification method, atomization spraying can not only remove salt mist particles in the air, but also effectively deal with a large amount of dust and acid gas and other pollutants from industrial and commercial systems. It is applied to Salt mist purification at the front end of the air conditioner is of great significance to improve air quality. However, an obvious disadvantage of atomized spraying is that it will cause a significant increase in air humidity and greatly increase the latent heat load of the air conditioner.
发明内容Contents of the invention
为了解决上述背景技术所存在的至少一项技术问题,本发明提供一种空气喷淋除盐-双床回热固体除湿联供系统。In order to solve at least one of the technical problems in the above-mentioned background technology, the present invention provides an air spray desalination-double-bed regenerative solid dehumidification combined supply system.
为实现上述目的,本发明的技术方案是:For realizing the above object, technical scheme of the present invention is:
一种空气喷淋除盐-双床回热固体除湿联供系统,包括:An air spray desalination-double-bed regenerative solid dehumidification system, including:
主体框架,包括喷淋除盐单元安装区和双床交叉流固体除湿单元安装区;在所述喷淋除盐单元安装区中设置有新风空气入口;在所述双床交叉流固体除湿单元安装区中设置有第一空气入口、第二空气入口、第一空气出口、第二空气出口;The main frame includes a spray desalination unit installation area and a double-bed cross-flow solid dehumidification unit installation area; a fresh air inlet is arranged in the spray desalination unit installation area; the double-bed cross-flow solid dehumidification unit is installed The zone is provided with a first air inlet, a second air inlet, a first air outlet, and a second air outlet;
喷淋除盐单元,主要安装在所述喷淋除盐单元安装区中,包括液体喷淋器、液体收集箱、储液箱、潜水泵;环境空气经由新风空气入口进入液体喷淋器,液体喷淋器内部腔体安装多个折流板并设置有过滤筛网和挡水板;所述液体收集箱设置在液体喷淋器下方,通过液体管道与储液箱连通,实现除盐液循环利用;所述储液箱置于除湿单元安装区底座上,外接进出水管,便于更换除盐液;所述潜水泵为喷淋雾化和除盐液循环提供动力;The spray desalination unit is mainly installed in the installation area of the spray desalination unit, including a liquid sprayer, a liquid collection tank, a liquid storage tank, and a submersible pump; the ambient air enters the liquid sprayer through the fresh air inlet, and the liquid The inner cavity of the sprinkler is equipped with a plurality of baffles and is provided with a filter screen and a water baffle; the liquid collection box is arranged under the liquid sprinkler, and communicates with the liquid storage tank through a liquid pipeline to realize the desalination liquid circulation Utilization; the liquid storage tank is placed on the base of the dehumidification unit installation area, and the water inlet and outlet pipes are externally connected to facilitate the replacement of desalination liquid; the submersible pump provides power for spray atomization and circulation of desalination liquid;
双床交叉流固体除湿单元,安装在所述双床交叉流固体除湿单元安装区中,包括第一交叉流除湿器、第二交叉流除湿器、热源、四通阀、三通阀、第一风机以及第二风机;所述三通阀用于连接第一交叉流除湿器、第二交叉流除湿器和热源;所述四通阀用于连接液体喷淋器出口、第一交叉流除湿器、第二交叉流除湿器以及热源;所述第一交叉流除湿器还分别连接第一空气入口、第一空气出口;所述第二交叉流除湿器还分别连接第二空气入口、第二空气出口;所述第一风机安装在第一交叉流除湿器和第一空气出口相连通的风道中,第二风机安装在第二交叉流除湿器和第二空气出口相连通的风道中。The double-bed cross-flow solid dehumidification unit is installed in the installation area of the double-bed cross-flow solid dehumidification unit, including a first cross-flow dehumidifier, a second cross-flow dehumidifier, a heat source, a four-way valve, a three-way valve, a first A fan and a second fan; the three-way valve is used to connect the first cross-flow dehumidifier, the second cross-flow dehumidifier and the heat source; the four-way valve is used to connect the outlet of the liquid shower, the first cross-flow dehumidifier , a second cross-flow dehumidifier and a heat source; the first cross-flow dehumidifier is also connected to the first air inlet and the first air outlet; the second cross-flow dehumidifier is also connected to the second air inlet and the second air Outlet; the first fan is installed in the air duct connecting the first cross-flow dehumidifier and the first air outlet, and the second fan is installed in the air duct connecting the second cross-flow dehumidifier and the second air outlet.
进一步地,所述的空气喷淋除盐-双床回热固体除湿联供系统还包括:Further, the air spray desalination-double-bed regenerative solid dehumidification system also includes:
切换控制单元,用于控制所述四通阀、三通阀、潜水泵、第一风机、第二风机的工作。The switching control unit is used to control the operation of the four-way valve, the three-way valve, the submersible pump, the first fan and the second fan.
进一步地,所述第一交叉流除湿器、第二交叉流除湿器结构相同,包括一次流通道和二次流通道,所述一次流通道涂覆干燥剂涂层。Further, the first cross-flow dehumidifier and the second cross-flow dehumidifier have the same structure, including a primary flow channel and a secondary flow channel, and the primary flow channel is coated with a desiccant coating.
进一步地,所述双床交叉流固体除湿单元具有第一工作状态和第二工作状态;Further, the double-bed cross-flow solid dehumidification unit has a first working state and a second working state;
当第一交叉流除湿器处于吸附除湿,而第二交叉流除湿器处于脱附再生时为第一工作状态;The first working state is when the first cross-flow dehumidifier is in adsorption dehumidification and the second cross-flow dehumidifier is in desorption regeneration;
当第二交叉流除湿器处于吸附除湿,而第一交叉流除湿器处于脱附再生时为第二工作状态;The second working state is when the second cross-flow dehumidifier is in adsorption dehumidification and the first cross-flow dehumidifier is in desorption regeneration;
所述双床交叉流除湿单元在所述第一工作状态和第二工作状态之间反复切换,实现连续除湿。The double-bed cross-flow dehumidification unit switches repeatedly between the first working state and the second working state to realize continuous dehumidification.
进一步地,第一工作状态时,液体喷淋器出口通过四通阀切换连通第一交叉流除湿器的一次流通道,而第一交叉流除湿器的二次流通道出口预热空气经三通阀切换后被热源加热,接着经四通阀切换进入第二交叉流除湿器一次流通道再生干燥剂涂层。Further, in the first working state, the outlet of the liquid sprayer is switched and connected to the primary flow channel of the first cross-flow dehumidifier through the four-way valve, and the preheated air at the outlet of the secondary flow channel of the first cross-flow dehumidifier passes through the three-way valve. After the valve is switched, it is heated by the heat source, and then switched through the four-way valve to enter the primary flow channel of the second cross-flow dehumidifier to regenerate the desiccant coating.
进一步地,第二工作状态时,液体喷淋器出口通过四通阀切换连通第二交叉流除湿器的一次流通道,而第二交叉流除湿器的二次流通道出口预热空气经三通阀切换后被热源加热,随后经四通阀切换进入第一交叉流除湿器的一次流通道再生干燥剂涂层。Further, in the second working state, the outlet of the liquid shower is switched to the primary flow channel of the second cross-flow dehumidifier through the four-way valve, and the preheated air at the outlet of the secondary flow channel of the second cross-flow dehumidifier passes through the three-way valve. After the valve is switched, it is heated by the heat source, and then switched to the primary flow channel of the first cross-flow dehumidifier through the four-way valve to regenerate the desiccant coating.
进一步地,所述系统包括雾化喷淋除盐与固体吸附除湿两个耦合过程;Further, the system includes two coupled processes of atomization spray desalination and solid adsorption dehumidification;
在第一风机和/或第二风机的作用下,环境空气经由新风空气入口进入液体喷淋器,其中大颗粒盐雾首先被筛网过滤拦截,随后夹带小颗粒盐雾的空气流经液体喷淋器内部折流板间的气流通道,盐雾被雾化水膜捕获而去除;液体喷淋器末级折流板处的挡水板可截留空气中水雾,降低空气湿度;来自液体喷淋器的湿空气随后进入双床交叉流固体除湿单元中,当除湿单元处于第一工作状态时,湿空气流经第一交叉流除湿器的一次流通道被吸附除湿而降低湿度,由第一空气出口送入室内;与此同时,从第一空气入口引入环境空气或室内回风进入第一交叉流除湿器的二次流通道冷却一次流通道的干燥剂涂层;预热空气进一步经热源加热升温后被送入第二交叉流除湿器的一次流通道再生上个周期吸湿饱和的干燥剂涂层,再生排气由第二空气出口排出;当处于吸附状态的第一交叉流除湿器吸湿饱和后,通过切换控制单元将除湿单元切换为第二工作状态,实现连续除湿。Under the action of the first fan and/or the second fan, the ambient air enters the liquid sprayer through the fresh air inlet, where the large-particle salt mist is first filtered and intercepted by the screen, and then the air entrained with small-particle salt mist flows through the liquid sprayer. The air flow channel between the baffles inside the shower, the salt mist is captured and removed by the atomized water film; the water baffle at the final baffle of the liquid shower can intercept the water mist in the air and reduce the air humidity; from the liquid spray The humid air from the shower then enters the double-bed cross-flow solid dehumidification unit. When the dehumidification unit is in the first working state, the humid air flowing through the primary flow channel of the first cross-flow dehumidifier is absorbed and dehumidified to reduce the humidity. The first The air outlet is sent into the room; at the same time, the ambient air introduced from the first air inlet or the indoor return air enters the secondary flow channel of the first cross-flow dehumidifier to cool the desiccant coating of the primary flow channel; the preheated air is further passed through the heat source After heating up, it is sent to the primary flow channel of the second cross-flow dehumidifier to regenerate the desiccant coating saturated with moisture absorption in the previous cycle, and the regeneration exhaust is discharged from the second air outlet; when the first cross-flow dehumidifier in the adsorption state absorbs moisture After saturation, the dehumidification unit is switched to the second working state by switching the control unit to realize continuous dehumidification.
进一步地,所述热源采用可再生热能、设备余热或电加热的方式。Further, the heat source adopts renewable heat energy, equipment waste heat or electric heating.
进一步地,所述主体框架整体呈长方体形,包括隔板、上盖板、底座、前盖板、后侧板、左侧板以及右侧板;所述隔板将主体框架分隔为喷淋除盐单元安装区和双床交叉流固体除湿单元安装区;左侧板设有新风空气入口,右侧板设有第一空气出口、第二空气出口;后侧板设有第一空气入口,前盖板设有第二空气入口;底座安装有活动转轮。Further, the main body frame is in the shape of a cuboid as a whole, including a partition, an upper cover, a base, a front cover, a rear side panel, a left side panel and a right side panel; The salt unit installation area and the double-bed cross-flow solid dehumidification unit installation area; the left side panel is provided with fresh air inlet, the right side panel is provided with the first air outlet and the second air outlet; the rear side panel is provided with the first air inlet, and the front The cover plate is provided with a second air inlet; the base is provided with movable runners.
进一步地,所述切换控制单元主要部件为PLC控制器,PLC控制器安装在主体框架上端,通过单片机和控制面板自动或手动控制四通阀、三通阀、潜水泵、第一风机、第二风机的工作。Further, the main component of the switching control unit is a PLC controller, which is installed on the upper end of the main frame, and automatically or manually controls the four-way valve, three-way valve, submersible pump, first blower fan, second Fan work.
本发明与现有技术相比,其有益效果在于:Compared with the prior art, the present invention has the beneficial effects of:
本系统将雾化喷淋与交叉流固体除湿相结合,首先通过雾化喷淋除去空气中盐雾,然后利用交叉流固体除湿器处理喷淋净化后的高湿空气。因此,本发明可以结合喷淋除盐和固体除湿的双边优势,不仅可有效实现空气盐雾净化、提升空气品质,而且能够以高效节能的方式满足空气湿度调控需求,与现有技术相比具有如下突出优点:This system combines atomized spray and cross-flow solid dehumidification. First, the salt mist in the air is removed by atomized spray, and then the cross-flow solid dehumidifier is used to treat the high-humidity air purified by spraying. Therefore, the present invention can combine the bilateral advantages of spray desalination and solid dehumidification, not only can effectively realize air salt mist purification and improve air quality, but also can meet the demand for air humidity regulation in a highly efficient and energy-saving manner. Compared with the prior art, it has The advantages are highlighted as follows:
1、本发明空气喷淋除盐-双床回热固体除湿联供系统中,液体喷淋器不仅可以除去空气中盐雾颗粒,而且可以有效处理来自工商业体系产生的大量粉尘和酸性气体等污染物,将其应用于空调前端盐雾净化将极大地有利于空气品质提升。1. In the air spray desalination-double bed reheating solid dehumidification combined supply system of the present invention, the liquid sprayer can not only remove salt spray particles in the air, but also effectively deal with a large amount of dust and acid gas pollution from industrial and commercial systems Applying it to the front-end salt spray purification of air conditioners will greatly benefit the improvement of air quality.
2、本发明空气喷淋除盐-双床回热固体除湿联供系统中,通过双床回热可有效提升除湿热力性能,同时双床匹配可实现连续除湿。另外,交叉流除湿单元可采用环境空气或室内低温回风冷却吸附过程中的干燥剂涂层,有效消除再生残余热和吸附热影响,提高吸附除湿能力。这种空冷型交叉流除湿器避免了水循环回路使用,具有系统形式简单、适用性广的优势。2. In the air spray desalination-double-bed reheating solid dehumidification combined supply system of the present invention, the thermal performance of dehumidification can be effectively improved through double-bed reheating, and continuous dehumidification can be realized by double-bed matching. In addition, the cross-flow dehumidification unit can use ambient air or indoor low-temperature return air to cool the desiccant coating during the adsorption process, effectively eliminating the effects of regeneration residual heat and adsorption heat, and improving the adsorption and dehumidification capacity. This air-cooled cross-flow dehumidifier avoids the use of water circulation loops, and has the advantages of simple system form and wide applicability.
3、本发明提出的空气喷淋除盐-双床回热固体除湿联供系统充分结合了雾化喷淋除盐与固体吸附除湿的双边优势,通过固体吸附除湿可有效克服喷淋除盐后空气湿度显著上升问题,取得优异的除盐—除湿效果。3. The air spray desalination-double-bed reheating solid dehumidification combined supply system proposed by the present invention fully combines the bilateral advantages of atomization spray desalination and solid adsorption dehumidification, and can effectively overcome the problems caused by spray desalination through solid adsorption dehumidification. The problem of significant increase in air humidity has achieved excellent desalination-dehumidification effects.
附图说明Description of drawings
图1为空气喷淋除盐-双床回热固体除湿联供系统图。Figure 1 is a diagram of the air spray desalination-double-bed regenerative solid dehumidification system.
图2为空气喷淋除盐-双床回热固体除湿联供系统横向剖面图。Fig. 2 is a transverse sectional view of an air spray desalination-double-bed regenerative solid dehumidification system.
图3为空气喷淋除盐-双床回热固体除湿联供系统纵向剖面图。Fig. 3 is a longitudinal sectional view of the air spray desalination-double-bed regenerative solid dehumidification system.
图4为空气喷淋除盐-双床回热固体除湿联供系统第一工作状态时的空气流程示意图。Fig. 4 is a schematic diagram of the air flow in the first working state of the air spray desalination-double-bed regenerative solid dehumidification cogeneration system.
图5为液体喷淋器结构示意图。Fig. 5 is a schematic structural diagram of a liquid shower.
图6为交叉流除湿器结构示意图。Figure 6 is a schematic diagram of the structure of a cross-flow dehumidifier.
1-新风空气入口、2-左侧板、3-过滤筛网、4-液体喷淋器、5-后侧板、6-上盖板、7-雾化板、8-PLC控制器、9-四通阀、10-热源、11a-第一空气入口、11b-第二空气入口、12a-第一交叉流除湿器、12b-第二交叉流除湿器、13a-第一风机、13b-第二风机、14-三通阀、15-右侧板、 16-前盖板、17-活动转轮、18-储液箱、19-底座、20-潜水泵、21-隔板、22-挡水板、23-折流板、24-液体收集箱、25a-第一空气出口1、25b-第二空气出口。1-fresh air inlet, 2-left side panel, 3-filter screen, 4-liquid sprayer, 5-rear side panel, 6-upper cover, 7-atomizing plate, 8-PLC controller, 9 - four way valve, 10 - heat source, 11a - first air inlet, 11b - second air inlet, 12a - first cross flow dehumidifier, 12b - second cross flow dehumidifier, 13a - first fan, 13b - second Two fans, 14-three-way valve, 15-right side panel, 16-front cover, 17-movable runner, 18-liquid storage tank, 19-base, 20-submersible pump, 21-baffle, 22-block Water plate, 23-baffle plate, 24-liquid collection tank, 25a-
具体实施方式Detailed ways
实施例:Example:
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接可以是直接相连,也可以是通过中间媒介间接连接,可以是两个元件内部的连通。In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be a mechanical connection, a direct connection, an indirect connection through an intermediary, or an internal communication between two components.
本发明中,所涉及的前、后、上、下等方位词是以附图中零部件位于图中以及零部件相互之间的位置来定义的,所涉及的第一、第二等顺序词,大、小等相对比较形容词,只是为了便于方案的描述清楚及方便,应当理解,上述词的使用不应限制本申请请求保护的范围。In the present invention, the orientation words such as front, rear, upper, and lower are defined by the parts in the drawings and the positions between the parts in the drawings, and the first, second and other sequence words involved are , big, small and other relatively comparative adjectives are just for the sake of clarity and convenience in the description of the scheme. It should be understood that the use of the above words should not limit the scope of protection claimed in this application.
对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明的具体含义。下面结合附图和实施例对本发明的技术方案做进一步的说明。Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations. The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
参见图1、2、3所示,本实施例提供的空气喷淋除盐-双床回热固体除湿联供系统主要包括主体框架、喷淋除盐单元、双床交叉流固体除湿单元以及切换控制单元。Referring to Figures 1, 2, and 3, the air spray desalination-double-bed regenerative solid dehumidification cogeneration system provided in this embodiment mainly includes a main frame, a spray desalination unit, a double-bed cross-flow solid dehumidification unit, and a switching control unit.
主体框架主要由上盖板6、前盖板16、底座19和其它固定侧板与隔板21组成;隔板21 将整个主体框架分隔为喷淋除盐单元安装区和双床交叉流固体除湿单元安装区;左侧板2设有新风空气入口1;后侧板5和前盖板16分别设有第一空气入口11a和第二空气入口11b;右侧板15设有第一空气出口25a和第二空气出口25b,并对应地配置第一风机13a和第二风机13b;底座19安装有活动转轮17,便于主体框架移动。The main frame is mainly composed of the upper cover plate 6, the
喷淋除盐单元主要安装在喷淋除盐单元安装区中,包括液体喷淋器4、液体收集箱24、储液箱18、潜水泵20;液体喷淋器4上端设有雾化板7,下端设有除盐液出口,内部腔体安装多个折流板23,并在第一级折流板和末级折流板处设置过滤筛网3和挡水板22;折流板23进行扰流的同时增加空气流程,过滤筛网3可有效拦截较大粒径盐雾颗粒,而挡水板22可一定程度截留湿空气水雾;液体收集箱24设置在喷淋器4下方,通过液体管道与储液箱18连通,实现除盐液循环利用;储液箱18置于主体框架底座19上,外接进出水管,便于更换除盐液;潜水泵20为雾化喷淋和除盐液循环提供动力。The spray desalination unit is mainly installed in the installation area of the spray desalination unit, including a
参见图5所示,为液体喷淋器结构示意图;液体喷淋器4壳体呈长方体形,环境空气从新风空气入口1进入液体喷淋器4前首先经过滤筛网3过滤,空气中较大粒径盐雾颗粒被拦截,而粒径较小的盐雾颗粒由后续雾化喷淋液膜捕获去除,折流板23间可填充扰流填料增大气液接触面,提升除盐率;另外,雾化喷淋除盐的同时可实现过滤筛网3的清洗,减少筛网更换频率。Referring to Fig. 5, it is a schematic structural diagram of the liquid shower; the housing of the
该双床交叉流固体除湿单元包括四通阀9、热源10、风道、第一风机13a、第二风机13b、三通阀14、第一交叉流除湿器12a以及第二交叉流除湿器12b;除湿过程中新风空气流经第一/第二除湿器12a/12b中涂覆干燥剂涂层的一次流通道而被吸附除湿,同时二次流通道引入环境空气或室内低温回风冷却一次流侧干燥剂涂层,消除再生残余热和吸附热影响;除湿结束后,一次流通道通入再生空气再生干燥剂涂层,从而完成除湿循环。The two-bed cross-flow solid dehumidification unit includes a four-
参见图6所示,为第一、第二交叉流除湿器结构示意图;第一/第二交叉流除湿器12a/12b 是由板翅式换热器一次流通道涂覆干燥剂涂层发展而来;吸附除湿时,除湿器二次流通道可通入环境空气或室内低温回风作为冷却介质,消除再生残余热和吸附热影响,而这些初步预热的热空气被热源加热后可作为匹配运行的另一个除湿器的再生空气。Refer to Figure 6, which is a schematic structural diagram of the first and second cross-flow dehumidifiers; the first/second
此外,系统还包括控制切换单元,该控制切换单元主要部件为PLC控制器8,其安装在主体框架上端,通过单片机和控制面板可自动或手动控制四通阀9、三通阀14、潜水泵20、第一风机13a、第二风机13b的工作。In addition, the system also includes a control switching unit. The main component of the control switching unit is a
该双床交叉流固体除湿单元具有第一工作状态和第二工作状态,即第一交叉流除湿器12a 处于吸附除湿,而第二交叉流除湿器12b处于脱附再生时为第一工作状态,第二交叉流除湿器12b处于吸附除湿,而第一交叉流除湿器12a处于脱附再生时为第二工作状态;第一工作状态时,第一交叉流除湿器12a吸附除湿,第二交叉流除湿器12b正进行脱附再生,此时液体喷淋器4出口通过四通阀9切换连通第一交叉流除湿器12a一次流通道,而第一交叉流除湿器12a二次流通道出口预热空气经三通阀14切换后被热源10加热,接着经四通阀9切换进入第二交叉流除湿器12b一次流通道加热再生干燥剂涂层;当处于第二工作状态时,第二交叉流除湿器12b吸附除湿,第一交叉流除湿器12a正进行脱附再生,此时液体喷淋器4出口通过四通阀9切换连通第二交叉流除湿器12b一次流通道,而第二交叉流除湿器12b二次流通道出口预热空气经三通阀14切换后被热源10加热,随后经四通阀9切换进入第一交叉流除湿器12a一次流通道加热再生干燥剂涂层;双床交叉流除湿单元在第一和第二工作状态之间反复切换,实现连续除湿。具体地,该热源10可采用可再生热能、设备余热或电加热等多种形式。The double-bed cross-flow solid dehumidification unit has a first working state and a second working state, that is, the first
参见图4,空气除盐-双床回热固体除湿联供系统运行方法如下,包括雾化喷淋除盐与固体吸附除湿两个耦合过程:在第一风机13a和/或第二风机13b的作用下,环境空气经由新风空气入口1进入雾化喷淋器4,其中大颗粒盐雾被过滤筛网3拦截,而夹带较小盐雾颗粒的空气流经喷淋除盐单元内部折流板间的空气通道,盐雾被雾化水膜捕获去除;喷淋除盐单元末级折流板处设置挡水板22,其可一定程度截留湿空气水雾,降低空气湿度;来自液体喷淋器4的高湿空气随后进入双床匹配运行的交叉流固体除湿单元;当除湿单元处于第一工作状态时,湿空气中水蒸气被第一交叉流除湿器12a一次流侧干燥剂涂层吸附而降低湿度,由第一空气出口25a送入室内;与此同时,为了消除再生残余热和吸附热影响以及预热再生空气、提高除湿单元热力性能,从第一空气入口11a引入环境空气或室内低温回风作为冷却介质进入第一交叉流除湿器12a二次流通道中冷却一次流通道干燥剂涂层;这些预热空气随后经热源10加热升温至要求的再生温度后被送入第二交叉流除湿器12b一次流通道中加热再生上个周期吸湿饱和的干燥剂涂层,再生排气由第二空气出口25b排至室外;当第一交叉流除湿器 12a吸湿饱和后,通过切换控制单元实现双床交叉流固体除湿单元第一和第二工作状态的切换,实现连续除湿,第一交叉流除湿器12a与第一交叉流除湿器12b的运行状态与前述对应相反,空气流路发生相应变化。Referring to Fig. 4, the operation method of the air desalination-double-bed regenerative solid dehumidification system is as follows, including two coupled processes of atomization spray desalination and solid adsorption dehumidification: in the first fan 13a and/or the second fan 13b Under the action, the ambient air enters the atomizing sprinkler 4 through the fresh air inlet 1, in which the large salt mist is intercepted by the filter screen 3, and the air with smaller salt mist particles flows through the internal baffle of the spray desalination unit The salt mist is captured and removed by the atomized water film; the water baffle 22 is set at the final baffle of the spray desalination unit, which can intercept the wet air mist to a certain extent and reduce the air humidity; from the liquid spray The high-humidity air from the device 4 then enters the cross-flow solid dehumidification unit with double-bed matching operation; when the dehumidification unit is in the first working state, the water vapor in the humid air is adsorbed by the desiccant coating on the primary side of the first cross-flow dehumidifier 12a To reduce the humidity, it is sent into the room from the first air outlet 25a; at the same time, in order to eliminate the influence of regeneration residual heat and adsorption heat, preheat the regeneration air, and improve the thermal performance of the dehumidification unit, the ambient air or indoor air is introduced from the first air inlet 11a. The low-temperature return air enters the secondary flow channel of the first
综上,本发明与现有技术相比具有如下突出优点:In summary, compared with the prior art, the present invention has the following outstanding advantages:
1、本发明空气喷淋除盐-双床回热固体除湿联供系统中,液体喷淋器不仅可以除去空气中盐雾颗粒,而且可以有效处理来自工商业体系产生的大量粉尘和酸性气体等污染物,将其应用于空调前端盐雾净化将极大地有利于空气品质提升。1. In the air spray desalination-double bed reheating solid dehumidification combined supply system of the present invention, the liquid sprayer can not only remove salt spray particles in the air, but also effectively deal with a large amount of dust and acid gas pollution from industrial and commercial systems Applying it to the front-end salt spray purification of air conditioners will greatly benefit the improvement of air quality.
2、本发明空气喷淋除盐-双床回热固体除湿联供系统中,通过双床回热可有效提升除湿热力性能,同时双床匹配可实现连续除湿。另外,交叉流除湿单元可采用环境空气或室内低温回风冷却吸附过程中的干燥剂涂层,有效消除再生残余热和吸附热影响,提高吸附除湿能力。这种空冷型交叉流除湿器避免了水循环回路使用,具有系统形式简单、适用性广的优势。2. In the air spray desalination-double-bed reheating solid dehumidification combined supply system of the present invention, the thermal performance of dehumidification can be effectively improved through double-bed reheating, and continuous dehumidification can be realized by double-bed matching. In addition, the cross-flow dehumidification unit can use ambient air or indoor low-temperature return air to cool the desiccant coating during the adsorption process, effectively eliminating the effects of regeneration residual heat and adsorption heat, and improving the adsorption and dehumidification capacity. This air-cooled cross-flow dehumidifier avoids the use of water circulation loops, and has the advantages of simple system form and wide applicability.
3、本发明提出的空气喷淋除盐-双床回热固体除湿联供系统充分结合了雾化喷淋除盐与固体吸附除湿的双边优势,通过固体吸附除湿可有效克服喷淋除盐后空气湿度显著上升问题,取得优异的除盐—除湿效果。3. The air spray desalination-double-bed reheating solid dehumidification combined supply system proposed by the present invention fully combines the bilateral advantages of atomization spray desalination and solid adsorption dehumidification, and can effectively overcome the problems caused by spray desalination through solid adsorption dehumidification. The problem of significant increase in air humidity has achieved excellent desalination-dehumidification effects.
上述实施例只是为了说明本发明的技术构思及特点,其目的是在于让本领域内的普通技术人员能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡是根据本发明内容的实质所做出的等效变化或修饰,都应涵盖在本发明的保护范围内。The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those of ordinary skill in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the essence of the content of the present invention shall fall within the protection scope of the present invention.
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