CN102353102B - Vacuum solution regenerating air dehumidification system and temperature and humidity independent control air conditioning system - Google Patents
Vacuum solution regenerating air dehumidification system and temperature and humidity independent control air conditioning system Download PDFInfo
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- CN102353102B CN102353102B CN 201110220972 CN201110220972A CN102353102B CN 102353102 B CN102353102 B CN 102353102B CN 201110220972 CN201110220972 CN 201110220972 CN 201110220972 A CN201110220972 A CN 201110220972A CN 102353102 B CN102353102 B CN 102353102B
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Abstract
The invention discloses a vacuum solution regenerating air dehumidification system and a temperature and humidity independent control air conditioning system. The invention aims to provide a dehumidification system and a temperature and humidity independent control air conditioning system, which can improve the energy efficiency of a dehumidifier and a regenerator in vacuum, can make the dehumidification process and the regeneration process operated separately and ensure that a solution can enter the regenerator by using a pressure differential effect, a dilute solution pump and a cooling tower are not required, and solution regeneration, economy and energy conservation are achieved by using low-temperature heat sources. The dehumidification system comprises a dehumidifier and a vacuum regeneration device, wherein the dehumidifier is provided with an air inlet and an air outlet; the regenerator of the vacuum regeneration device is connected with a vacuum pump, an air escape valve and a pressure gauge; a low-temperature heat source heater is arranged in the regenerator; a solution outlet of the dehumidifier is connected with a dilute solution inlet of the regenerator through a flow control valve; a concentrated solution outlet of the regenerator is connected with a solution inlet of the dehumidifier through a solution pump; and both sides of the solution pump are connected with a stop valve. The systems have simple structures and low energy consumption.
Description
Technical field
The present invention relates to a kind of vacuum regeneration solution air dehumidification system and humiture and independently regulate and control air-conditioning system.
Background technology
In the face of the serious problems of present energy scarcity and environmental pollution, the ozone free loss, without Substitute Working Medium and the refrigeration modes of greenhouse effects, and the various novel air dehumidification system that utilizes low-grade energy becomes the study hotspot of field of air conditioning.From protection of the environment, energy savings and improve the analysis of indoor air quality equal angles, the solution air dehumidification system is a kind of very attractive Novel dehumidifying system.Present most of scholar selects the higher solution of concentration to realize dehumidifying.Regeneration temperature is higher, is generally the thermal source more than 60 ℃, and less seeing studied in regeneration for low temperature (as 45 ℃～60 ℃).System COP value is lower, the phenomenon of cold-hot counteraction is comparatively serious.
Mainly there is following problems in existing solution air dehumidification system:
1, in existing dehumidification system, dehumidifier and regenerator must mate properly, and can only move simultaneously just and can reach dehumidification function.
2, in existing dehumidification system, weak solution and concentrated solution are two systems, must establish respectively solution pump, and, cooling tower need to be set with liberated heat in cooling dehumidifier.
3, the cooling water system in existing system is the heat that produces in moisture absorption process for cooling concentrated solution, rather than for cooling concentrated solution itself, heat-exchange device need to be set be used for carrying out heat exchange between weak solution and concentrated solution.
To sum up, existing dehumidification system complex structure, investment is large, and energy consumption is high.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, providing a kind of regenerates under vacuum condition, can realize that dehumidifier and regenerator can carry out respectively efficiency and strengthen, can make again dehumidifying and regenerative process isolated operation, solution enters regenerator and can utilize differential pressure action simultaneously, need not to establish the weak solution pump, need not cooling tower, and can utilize low-temperature heat source to carry out the dehumidification system of regeneration of waste liquor, economical and energy saving.
Another object of the present invention is to provide a kind ofly regenerates under vacuum condition, and dehumidifying and regenerative process isolated operation can realize that indoor temperature and humidity independently controls, and can realize again utilizing condensation heat as the low-temp recovery thermal source, the air-conditioning system of energy savings.
The present invention is achieved through the following technical solutions:
A kind of vacuum regeneration solution air dehumidification system is characterized in that, comprises dehumidifier and vacuum regeneration device, and described dehumidifier bottom is provided with reservoir, is provided with air inlet and air outlet on described dehumidifier, and described air inlet place is equipped with blower fan; Described vacuum regeneration device comprises regenerator, is connected with vavuum pump, gas bleeder valve and Pressure gauge on described regenerator, and described internal regenerator is equipped with the low-temperature heat source heater; The taphole of described dehumidifier is connected with the dilute solution inlet of described regenerator by flow control valve, and the concentrated solution outlet of described regenerator is connected with the solution inlet port of described dehumidifier by solution pump, and the both sides of described solution pump are connected with respectively stop valve.
A kind of vacuum regeneration solution air dehumidification system is characterized in that, comprises dehumidifier, vacuum regeneration device and fluid reservoir, and described dehumidifier bottom is provided with reservoir, is provided with air inlet and air outlet on described dehumidifier, and described air inlet place is equipped with blower fan; Described vacuum regeneration device comprises regenerator, is connected with vavuum pump, gas bleeder valve and Pressure gauge on described regenerator, and described internal regenerator is equipped with the low-temperature heat source heater; The taphole of described dehumidifier is connected with the dilute solution inlet of described regenerator by flow control valve, the below of described regenerator is provided with fluid reservoir, the concentrated solution outlet of described regenerator is connected with the concentrated solution import of described fluid reservoir by differential pressure control valve, the concentrated solution outlet of described fluid reservoir is connected with the solution inlet port of described dehumidifier by solution pump, and the both sides of described solution pump are connected with respectively stop valve.
A kind of humiture of above-mentioned vacuum regeneration solution air dehumidification system that adopts independently regulates and controls air-conditioning system, it is characterized in that, comprise dehumidifier, vacuum regeneration device, fluid reservoir, water vessel, fan coil and the high temperature cold water unit that is connected to form by compressor, evaporimeter, expansion valve, condenser, described dehumidifier bottom is provided with reservoir, be provided with air inlet and air outlet on described dehumidifier, described air inlet place is equipped with blower fan; Described vacuum regeneration device comprises regenerator, and described regenerator is connected with vavuum pump by water vessel, is connected with Pressure gauge and relief valve on described regenerator, and the low-temperature heat source heater is installed in described regenerator; The taphole of described dehumidifier is connected with the dilute solution inlet of described regenerator by flow control valve, the below of described regenerator is provided with fluid reservoir, the concentrated solution outlet of described regenerator is connected with the concentrated solution import of described fluid reservoir by differential pressure control valve, and the concentrated solution outlet of described fluid reservoir is connected with the solution inlet port of described dehumidifier by solution pump; The two ends of described low-temperature heat source heater are connected with the two ends of condenser in the high temperature cold water unit respectively, and the both sides of described solution pump are connected with respectively stop valve; In described water vessel, cooling coil is installed, described cooling coil is connected with evaporimeter by dry-type fan coil realizes catching water; Perhaps cooling coil is connected with cooling tower and realizes catching water, and the two ends of described evaporimeter are connected with the two ends of dry-type fan coil respectively.
The present invention has following technique effect:
1, solution air dehumidification system of the present invention is regenerated under vacuum condition, but the regenerative process isolated operation utilizes the solution energy accumulating technique to realize energy-conservation, environmental protection.
2, dehumidifier and regenerator independent operating in solution air dehumidification system of the present invention, the concentrated solution temperature that therefore enters in dehumidifier is lower, need not cold again; And the simultaneous temperature of concentrated solution moisture absorption raises, and just in time sends into regenerator regeneration, need not heat exchange, and therefore, system can save the cooling water system heat-exchange device of unifying, and has simplified system architecture, has reduced equipment investment, has reduced energy consumption.
3, the regenerator in solution air dehumidification system of the present invention is regenerated to weak solution under vacuum condition, can adopt lower heat source temperature, can be energy-conservation, can realize again the use of more low-grade energies.
4, humiture of the present invention independently regulates and controls air-conditioning system and utilizes the high temperature cold water unit to obtain the high temperature chilled water, by thermic load in the dry-type fan coil process chamber, utilizes the vacuum solution dehumidification system to process the low humid air that obtains and sends into humidity load in the room process chamber.But the dehumidification process in the vacuum solution dehumidification system and regenerative process isolated operation, can utilize concentrated solution carry out energy accumulating technique realize energy-conservation, environmental protection; The vacuum regeneration device can adopt low-temperature heat source regeneration, only need utilize condenser used heat can realize regeneration cycle as low-temperature heat source, reduces energy consumption and energy grade, improves simultaneously the COP of high temperature cold water unit.
Description of drawings
Fig. 1 is the schematic diagram that the concentrated solution after the present invention regenerates is directly sent into the solution air dehumidification system of dehumidifier;
Fig. 2 is that the present invention is with the schematic diagram of the solution air dehumidification system of fluid reservoir;
Fig. 3 is that the humiture that the present invention adopts high temperature cold water to catch water independently regulates and controls the schematic diagram of air-conditioning system;
Fig. 4 catches the schematic diagram of the independent regulation and control air-conditioning system of water for the present invention adopts cooling water that cooling tower provides.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Vacuum regeneration solution air dehumidification system of the present invention utilizes salting liquid vacuum regeneration device that weak solution is regenerated, and the concentrated solution after regeneration can be sent into dehumidifier to air dewetting, when also can be stored in fluid reservoir for needs, plays the purpose of chemical accumulation of energy.
Fig. 1 is the schematic diagram that the concentrated solution after the present invention regenerates is directly sent into the solution air dehumidification system of dehumidifier, comprise dehumidifier 2-1 and vacuum regeneration device, dehumidifier 2-1 bottom is provided with reservoir, be provided with air inlet 1-1 and air outlet 3-1 on dehumidifier 2-1, described air inlet place is equipped with blower fan.Described vacuum regeneration device comprises regenerator 7-1, is connected with vavuum pump 9-1, gas bleeder valve 6-1 and Pressure gauge 5-1 on described regenerator 7-1, and regenerator 7-1 inside is equipped with low-temperature heat source heater 8-1.The taphole of described dehumidifier 2-1 is connected with the dilute solution inlet of regenerator 7-1 by flow control valve 4-1, the concentrated solution outlet of regenerator 7-1 is connected with the solution inlet port of dehumidifier 2-1 by solution pump 12-1, and the both sides of solution pump 12-1 are connected with respectively stop valve 13-1 and 14-1.Wherein, dehumidifier and regenerator can remote arrangement, also can compact Layout, can connect a plurality of dehumidifiers by a regenerator, and also can connect a plurality of regenerators by a dehumidifier.Stop valve 13-1 is used for closing the regenerator taphole, and stop valve 14-1 is used for the flow of regulator solution pump.
Solution air dehumidification system shown in Figure 1 can only intermittent duty, be weak solution is completed regenerative process in the vacuum regeneration device after, open relief valve, become normal pressure in the regenerator of vacuum regeneration device, concentrated solution by solution pump in the dehumidifier to air dewetting, weak solution after dehumidifying enters the vacuum regeneration device again and regenerates, and completes whole cyclic process.
Fig. 2 is the schematic diagram of the solution air dehumidification system of band fluid reservoir of the present invention, comprise dehumidifier 2-2, vacuum regeneration device and fluid reservoir 11-1, dehumidifier 2-2 bottom is provided with reservoir, is provided with air inlet 1-2 and air outlet 3-2 on dehumidifier 2-2, and air inlet 1-2 place is equipped with blower fan.Described vacuum regeneration device comprises regenerator 7-2, is connected with vavuum pump 9-2, gas bleeder valve 6-2 and Pressure gauge 5-2 on regenerator 7-2, and regenerator 7-2 inside is equipped with low-temperature heat source heater 8-2.The taphole of dehumidifier 2-2 is connected with the dilute solution inlet of regenerator 7-2 by flow control valve 4-2, the below of regenerator 7-2 is provided with fluid reservoir 11-1, the concentrated solution outlet of regenerator 7-2 is connected with the concentrated solution import of fluid reservoir 11-1 by differential pressure control valve 10-1, the concentrated solution outlet of fluid reservoir 11-1 is connected with the solution inlet port of dehumidifier 2-2 by solution pump 12-2, and the both sides of solution pump 12-2 are connected with respectively stop valve 13-2 and 14-2.Wherein, stop valve 13-2 and differential pressure control valve 10-1 play on-off action, and stop valve 14-2 plays the effect of regulator solution flow.
Solution dehumidification system shown in Figure 2, dehumidifying and regenerative process can be carried out simultaneously.When dehumidifying work began, must first guarantee had concentrated solution in fluid reservoir 11-1.By solution pump, concentrated solution is sent into dehumidifier, the solution after dehumidifying can first be placed in the hopper of dehumidifier below, also can directly enter regenerator by flow control valve 4-2 under differential pressure action.In regenerator, weak solution moisture evaporation under the effect of vacuum and low-temperature heat source realizes regenerative process.Regenerative process can be carried out when low power consumption, plays the effect of electric power peak load shifting, simultaneously with the form of chemical energy with energy storage in concentrated solution.Compare with the conventional soln dehumidification system, can save cooling tower and weak solution pump, the regenerated heat source temperature can be lower, and more flexible in operation, the scope of application is wider.Weak solution realizes regeneration under the effect of vacuum and low-temperature heat source, open relief valve after regeneration is completed, and makes regenerator become normal pressure, opens differential pressure control valve, and concentrated solution flows into fluid reservoir by Action of Gravity Field, completes the air dewetting overall process.
Dehumidifying and regeneration also can separately be carried out.Namely also can be to regeneration of waste liquor when not dehumidifying, or dehumidify when not regenerating.When not dehumidifying, start the solution for vacuum regenerating unit, weak solution has played the effect of regeneration of waste liquor due to the effect moisture evaporation of vacuum and thermal source in regenerator, and the solution after regeneration can be inputted fluid reservoir, prepares against effect when needing dehumidifying.When not regenerating, owing to there being concentrated solution in fluid reservoir, with solution pump, concentrated solution is inputted dehumidifier, the air by dehumidifier is dehumidified, complete the dehumidification process of air.
Fig. 3 and Fig. 4 are that humiture of the present invention independently regulates and controls the schematic diagram of air-conditioning system, comprise dehumidifier 2-3, vacuum regeneration device, fluid reservoir 11-2, water vessel 16, fan coil 17 and the high temperature cold water unit that is connected to form by compressor 20, evaporimeter 21, expansion valve 19, condenser 18, dehumidifier 2-3 bottom is provided with reservoir, be provided with air inlet 1-3 and air outlet 3-3 on described dehumidifier 2-3, described air inlet 1-3 place is equipped with blower fan.Described vacuum regeneration device comprises regenerator 7-3, and described regenerator 7-3 is connected with vavuum pump 9-3 by water vessel 16, is connected with Pressure gauge 5-3 and relief valve 6-3 on described regenerator 7-3, and low-temperature heat source heater 8-3 is installed in described regenerator 7-3.The taphole of described dehumidifier 2-3 is connected with the dilute solution inlet of described regenerator 7-3 by flow control valve 4-3, the below of described regenerator 7-3 is provided with fluid reservoir 11-2, the concentrated solution outlet of described regenerator 7-3 is connected with the concentrated solution import of described fluid reservoir 11-2 by differential pressure control valve 10-2, and the concentrated solution outlet of described fluid reservoir 11-2 is connected with the solution inlet port of described dehumidifier 2-3 by solution pump 12-3.The two ends of described low-temperature heat source heater 8-3 are connected with the two ends of condenser 18 in the high temperature cold water unit respectively, and the both sides of described solution pump are connected with respectively stop valve 13-3 and 14-3.Water vessel can adopt dual mode to realize catching water, as shown in Figure 3, in described water vessel 16, cooling coil 15 is installed, and described cooling coil 15 is connected with evaporimeter 21 by dry-type fan coil 17 realizes catching water.Perhaps as shown in Figure 4, cooling coil 15 is connected with cooling tower to be realized catching water, and the two ends of described evaporimeter 21 are connected with the two ends of dry-type fan coil 17 respectively.
Outdoor air is sent into humidity load and fresh air moisture load in the room process chamber after introducing the dehumidifier dehumidifying by blower fan.And the weak solution after dehumidifying utilizes differential pressure action to enter the vacuum regeneration device, vacuumized by vavuum pump, weak solution is regenerated at than the low heat temperature, open the differential pressure control valve of regenerator bottom after regeneration, utilize gravity, make the concentrated solution after regeneration enter fluid reservoir, but dehumidifying and regenerative process isolated operation.When needs dehumidify, open the stop valve at solution pump two ends, start solution pump, make the concentrated solution of storage enter dehumidifier and processed air generation heat and mass, carry out dehumidification process.The required thermal source of its regenerative process is obtained through the heat exchange between intermediate solution and cold-producing medium by condenser, also can be provided by other low-grade heat source.The high temperature cold water unit is made high temperature cold water and is transported to the interior thermic load of process chamber in dry-type fan coil.In order to alleviate the load of vavuum pump, fill water vessel before vavuum pump, can catch water by high temperature cold water, also can catch water by the cooling water that cooling tower provides.
Claims (3)
1. a vacuum regeneration solution air dehumidification system, is characterized in that, comprises dehumidifier and vacuum regeneration device, and described dehumidifier bottom is provided with reservoir, is provided with air inlet and air outlet on described dehumidifier, and described air inlet place is equipped with blower fan; Described vacuum regeneration device comprises regenerator, is connected with vavuum pump, gas bleeder valve and Pressure gauge on described regenerator, and described internal regenerator is equipped with the low-temperature heat source heater; The taphole of described dehumidifier is connected with the dilute solution inlet of described regenerator by flow control valve, and the concentrated solution outlet of described regenerator is connected with the solution inlet port of described dehumidifier by solution pump, and the both sides of described solution pump are connected with respectively stop valve; In regenerator, weak solution moisture evaporation under the effect of vacuum and low-temperature heat source realizes regenerative process; The temperature of described low-temperature heat source is 45-60 ℃.
2. a vacuum regeneration solution air dehumidification system, is characterized in that, comprises dehumidifier, vacuum regeneration device and fluid reservoir, and described dehumidifier bottom is provided with reservoir, is provided with air inlet and air outlet on described dehumidifier, and described air inlet place is equipped with blower fan; Described vacuum regeneration device comprises regenerator, is connected with vavuum pump, gas bleeder valve and Pressure gauge on described regenerator, and described internal regenerator is equipped with the low-temperature heat source heater; The taphole of described dehumidifier is connected with the dilute solution inlet of described regenerator by flow control valve, the below of described regenerator is provided with fluid reservoir, the concentrated solution outlet of described regenerator is connected with the concentrated solution import of described fluid reservoir by differential pressure control valve, the concentrated solution outlet of described fluid reservoir is connected with the solution inlet port of described dehumidifier by solution pump, and the both sides of described solution pump are connected with respectively stop valve; In regenerator, weak solution moisture evaporation under the effect of vacuum and low-temperature heat source realizes regenerative process; The temperature of described low-temperature heat source is 45-60 ℃.
3. one kind is adopted the humiture of vacuum regeneration solution air dehumidification system claimed in claim 2 independently to regulate and control air-conditioning system, it is characterized in that, comprise dehumidifier, vacuum regeneration device, fluid reservoir, water vessel, fan coil and the high temperature cold water unit that is connected to form by compressor, evaporimeter, expansion valve, condenser, described dehumidifier bottom is provided with reservoir, be provided with air inlet and air outlet on described dehumidifier, described air inlet place is equipped with blower fan; Described vacuum regeneration device comprises regenerator, and described regenerator is connected with vavuum pump by water vessel, is connected with Pressure gauge and relief valve on described regenerator, and the low-temperature heat source heater is installed in described regenerator; The taphole of described dehumidifier is connected with the dilute solution inlet of described regenerator by flow control valve, the below of described regenerator is provided with fluid reservoir, the concentrated solution outlet of described regenerator is connected with the concentrated solution import of described fluid reservoir by differential pressure control valve, and the concentrated solution outlet of described fluid reservoir is connected with the solution inlet port of described dehumidifier by solution pump; The two ends of described low-temperature heat source heater are connected with the two ends of condenser in the high temperature cold water unit respectively, and the both sides of described solution pump are connected with respectively stop valve; In described water vessel, cooling coil is installed, described cooling coil is connected with evaporimeter by dry-type fan coil realizes catching water; Perhaps cooling coil is connected with cooling tower and realizes catching water, and the two ends of described evaporimeter are connected with the two ends of dry-type fan coil respectively; In regenerator, weak solution moisture evaporation under the effect of vacuum and low-temperature heat source realizes regenerative process; The temperature of described low-temperature heat source is 45-60 ℃.
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| CN 201110220972 CN102353102B (en) | 2011-08-03 | 2011-08-03 | Vacuum solution regenerating air dehumidification system and temperature and humidity independent control air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102589255A (en) * | 2012-03-19 | 2012-07-18 | 上海海事大学 | Vacuum flashing energy-saving independent dehumidification system |
| CN102607122A (en) * | 2012-04-01 | 2012-07-25 | 海信（山东）空调有限公司 | Dual-drive heating pipe circulating unit |
| CN104180447B (en) * | 2014-08-22 | 2017-02-15 | 刘聪 | Liquid dehumidification unit |
| CN106907802B (en) * | 2017-03-02 | 2020-05-29 | 青岛海尔空调器有限总公司 | Solution recovery method for air conditioner |
| CN106958894B (en) * | 2017-04-07 | 2019-09-27 | 清华大学 | A kind of humiture independence control air conditioner system |
| CN107627808B (en) * | 2017-11-01 | 2023-09-08 | 南京工业大学 | Dehumidifying and cooling device for vehicle |
| CN113757841B (en) * | 2021-08-19 | 2022-09-20 | 东南大学 | Low-grade heat step driving heat and humidity decoupling processing air conditioning system |
| CN114923233B (en) * | 2022-04-01 | 2023-10-24 | 东南大学 | Light stimulus response ionic liquid dehumidification air conditioning system |
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| JPS61259728A (en) * | 1985-05-13 | 1986-11-18 | Konishiroku Photo Ind Co Ltd | Dehumidifying apparatus |
| CN1181295C (en) * | 2002-09-28 | 2004-12-22 | 袁一军 | Solution concentration method |
| CN1333206C (en) * | 2005-08-26 | 2007-08-22 | 清华大学 | Heat pump driven energy storage type solution dehumidifying air-conditioning system |
| CN1306231C (en) * | 2005-10-10 | 2007-03-21 | 尹进福 | Method for air conditioning by solution dehumidifying with cold-hot two-side energy of refrigerating compressor |
| JP2008045803A (en) * | 2006-08-14 | 2008-02-28 | Hachiyo Engneering Kk | Energy-saving air conditioning system |
| JP2010078193A (en) * | 2008-09-25 | 2010-04-08 | Hachiyo Engneering Kk | Desiccant air conditioning device |
| CN201392066Y (en) * | 2009-03-10 | 2010-01-27 | 上海锦立保鲜科技有限公司 | Vacuum cooler with energy storing water catcher |
| CN101846367B (en) * | 2010-05-12 | 2012-09-05 | 清华大学 | Internally-cooled solution dehumidifying fresh air handling unit driven by heat pump |
| CN202221129U (en) * | 2011-08-03 | 2012-05-16 | 天津商业大学 | Vacuum regeneration solution air dehumidifying system and humiture independent regulation and control air-conditioning system |
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