Function of mechanical steam recompression formula dehumidifier/air-conditioning system
Technical field
The utility model belongs to heating, ventilation and air-conditioning technique field, more particularly to function of mechanical steam recompression
(MVR) efficient concentration technology actified solution combines the air-conditioning system device of dehumidifying.
Background technology
There is the dehumidifier/air-conditioning system of environmental protection and energy saving feature to have become the hot subject of Chinese scholars research at present.It is molten
Liquid dehumidifying is warmed up to the energy of ventilation state point again after need not consuming freeze drying.Research shows, the air-conditioning system of dehumidifying
Operation energy consumption more than 30% is saved than traditional air-conditioning system.
The dehumidification solution overwhelming majority in the market is the salting liquids such as lithium-bromide solution (LiBr) solution, is due to dense
Solution has strong water imbibition.The air qualities such as the too high easy breed bacteria of air humidity, moldy metamorphism can be solved the problems, such as.
The weak solution after absorption air moisture content be condensed into concentrated solution recycle adjusting air humidity have very big economic worth and
Applying value.
Exercisable solution regeneration, from regeneration principle angle, mainly has thermal regeneration, embrane method regeneration and ultrasound at present
Ripple regeneration etc., the research of wherein thermal regeneration mode is in the majority, and technology is also more ripe.From thermal source angle, thermal regeneration can divide again
For solar energy heating regeneration, waste heat energy reclaiming, electrical heating regeneration etc..But these methods are under some special environment
Effect on moisture extraction and operation stability be not good, such as overcast and rainy moisture removal is larger, and solar energy heating that solar energy deficiency is caused
Regenerator regeneration efficiency is not high or residual heat regenerating mode fluctuation of service dehumidifying effect caused by heat is uneven in two season of summer in winter
The problems such as fruit is not good.
In addition, the development of current liquid dehumidifying technology is also faced with many urgent problems.Solution regenerator performance
Coefficient is not high, and the physical property of dehumidification solution limits further raising etc. of system COP.It is for the various problems for occurring, domestic
Outer scholar has made substantial amounts of research work:Stand in the breach is to carry out the new exploitation of humidity processing meanss, regenerator and grind
Study carefully.As the regeneration of dehumidification solution is the important step of liquid dehumidifying air-conditioning system, the effect on moisture extraction of whole system is affected
And operation stability, so, solution regeneration is also one of focus of Chinese scholars research.
The research of different regenerations its essence is, in order to improve regeneration efficiency, to reduce energy ezpenditure.And mechanical vapour is again
Compression operation principle of (MVR) technology based on heat pump, through the input of a small amount of electric energy, the Lowlevel thermal energy of indirect steam is converted to
The high level heat of heating steam, with without the need for condenser, feed liquid require low, operation, simple, energy consumption it is low, without the need for condensed water, cost
Low advantage.Under vacuum conditions, dehumidification solution solution boiling point will be reduced, improve evaporation efficiency simultaneously.In theory using machinery
Steam recompression technology can save more than 80% energy than traditional evaporation equipment, and its operating cost is significantly reduced.The skill
Art is widely used in the evaporation such as industry, food, desalinization, liquid waste processing field.
In view of MVR evaporation techniques have good energy saving and economy, can well adapt to what environmental change brought
The problems such as fluctuation of service and concentrating regenerative effect on driving birds is not good.Therefore its liquid dehumidifying field should also have wide application and
Promotion prospect.It is also a kind of innovation to liquid dehumidifying air-conditioning system simultaneously, enriches and develop.
The content of the invention
The purpose of this utility model is to provide and is substituted the thermal regeneration mode of mistake mentioned above and removed using MVR regeneration techniqueses
The air processor that wet air-conditioning system combines, to overcome conventional solution regeneration operation stability poor and regeneration effect
Not good the problems such as.
In order to achieve the above object, the utility model provides a kind of function of mechanical steam recompression formula dehumidifier/air-conditioning system, its
It is characterised by, including dehumidifier/air-conditioning system and for the mechanical vapour that regenerated to the dehumidification solution in dehumidifier/air-conditioning system again
Compression regenerative device of solution.
Preferably, described dehumidifier/air-conditioning system includes humidity processing meanss, is provided with and removes in described humidity processing meanss
Wet solution spraying pipe, described function of mechanical steam recompression formula regenerative device of solution include that the first plate type heat exchanger, second board-like are changed
Hot device, circulating pump, evaporative condenser, demister and vapour compression machine, are provided with heat exchanger tube in described evaporative condenser, described
The first medium entrance and the second plate type heat exchanger of dehumidification solution outlet first plate type heat exchanger of connection of humidity processing meanss
The first medium outlet connection of first medium entrance, the first medium outlet of the first plate type heat exchanger and the second plate type heat exchanger is steamed
Feel cold the dehumidification solution entrance of condenser, and the concentrated solution discharging opening of evaporative condenser connects the second medium of the first plate type heat exchanger and enters
Mouthful, the dehumidification solution shower in the second medium outlet connection humidity processing meanss of the first plate type heat exchanger, evaporative condenser
Condensation-water drain connect the second medium entrance of the second plate type heat exchanger, the heat exchanger tube outlet connection of described evaporative condenser
Demister, demister connection vapour compression machine, vapour compression machine connect the heat exchange tube inlet of evaporative condenser.
It is highly preferred that described dehumidifier/air-conditioning system also includes adiabatic humidiflcation device and Other heat exchange devices, described is exhausted
Hot damping device, Other heat exchange devices and humidity processing meanss are sequentially connected.
It is highly preferred that the dehumidification solution outlet of described humidity processing meanss is entered with the first medium of the first plate type heat exchanger
Connecting line between mouth and the first medium entrance of the second plate type heat exchanger is provided with weak solution feed pump.
It is highly preferred that the first medium outlet of the first described plate type heat exchanger and the first medium of the second plate type heat exchanger
Outlet is provided with circulating pump with the connecting line of the dehumidification solution entrance of evaporative condenser.
It is highly preferred that the vavuum pump that evaporative condenser inner air can be extracted out by described evaporative condenser connection.
It is highly preferred that the dehumidification solution in the second medium outlet and humidity processing meanss of the first described plate type heat exchanger
Connecting line between shower is provided with concentrated solution discharging pump.
It is highly preferred that the second medium outlet connection condensate pump of the second described plate type heat exchanger.
Compared with prior art, the beneficial effects of the utility model are:
1st, the utility model discloses a kind of function of mechanical steam recompression (Mechanical Vapor Recompression,
Abbreviation MVR) air processor that combines with dehumidifier/air-conditioning system of concentration technique pass through vapour compression machine, evaporative condenser,
The concentrating regenerative dehumidification liquid such as vavuum pump, realizes that efficient, energy-conservation, economic circulation use dehumidification solution, the novel dehumidifying air-conditioning system
Compared with legacy system system COP, effect on moisture extraction and operation stability further improve, it is with the obvious advantage.
2nd, dehumidification solution regenerating unit of the present utility model adopts MVR technologies, will solve dehumidifying effect under some particular surroundings
The really not good and not good problem of operational effect.
3rd, outdoor air process described in the utility model respectively through humidity processing meanss spray process, indoor exhaust also
Waste heat recovery processing will be done by Other heat exchange devices, to reach the purpose of energy-conservation.
4th, the input of a small amount of electricity of vapour compression machine Jing of the present utility model, can effectively by the Lowlevel thermal energy of secondary steam
Switch to heat the high level heat of steam, the effectively save energy.
Description of the drawings
Fig. 1 is function of mechanical steam recompression formula dehumidifier/air-conditioning system schematic diagram
In figure:1- adiabatic humidiflcation devices, 2- Other heat exchange devices, 3- humidity processing meanss, 4- weak solution feed pumps, 5-
One plate type heat exchanger, the second plate type heat exchangers of 6-, 7- circulating pumps, 8- evaporative condensers, 9- demisters, 10- vapour compression machines,
11- vavuum pumps, 12- evaporative condenser inner airs, 13- condensate pumps, 14- condensed waters, 15- concentrated solution discharging pumps, outside 16- rooms
Air, 17- room airs, 18- rooms.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than restriction scope of the present utility model.In addition, it is to be understood that in the content for having read the utility model instruction
Afterwards, those skilled in the art can be made various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Embodiment
As shown in figure 1, a kind of function of mechanical steam recompression formula dehumidifier/air-conditioning system, including dehumidifier/air-conditioning system and for removing
The function of mechanical steam recompression formula regenerative device of solution regenerated by dehumidification solution in wet air-conditioning system.
Described dehumidifier/air-conditioning system includes adiabatic humidiflcation device 1, Other heat exchange devices 2 and humidity processing meanss 3, described
Adiabatic humidiflcation device 1, Other heat exchange devices 2 and humidity processing meanss 3 are sequentially connected.Set in described humidity processing meanss 3
There is dehumidification solution shower, for dehumidification solution being sprayed to outdoor air, 3 bottom of humidity processing meanss is provided with dehumidification solution and goes out
Mouthful.Described dehumidification solution can be the lithium chloride solution of 30%-40% concentration, the calcium chloride solution of 40%-50%, 45%-
65% lithium-bromide solution etc..During use, outdoor air 16 enters humidity processing meanss 3, will Jing after dehumidification solution spray process
Air is sent to Other heat exchange devices 2 and adiabatic humidiflcation device 1 successively, is finally then sent through indoor room 18, and room air 17 is discharged
Behind room 18, carry out discharging after waste heat exchange Jing Other heat exchange devices 2 and the outdoor air 16 Jing after dehumidification solution spray process.
Described function of mechanical steam recompression formula regenerative device of solution includes the first plate type heat exchanger 5, the second plate type heat exchanger
6th, circulating pump 7, evaporative condenser 8, demister 9 and vapour compression machine 10.
Heat exchanger tube is provided with described evaporative condenser 8, and the top of evaporative condenser 8 is provided with heat exchanger tube outlet and dehumidifies molten
Liquid entrance, the bottom of evaporative condenser 8 are provided with heat exchange tube inlet, concentrated solution discharging opening and condensation-water drain.The first described plate
Formula heat exchanger 5 is provided with first medium entrance, first medium outlet, second medium entrance and second medium outlet, at humidity
Reason device 3 dilute dehumidification solution as first medium, the dense dehumidification solution from evaporative condenser 8 as second medium, the two
Heat exchange is carried out in the first plate type heat exchanger 5.The second described plate type heat exchanger 6 is provided with first medium entrance, first medium
The outlet of outlet, second medium entrance and second medium, the dilute dehumidification solution from humidity processing meanss 3 come as first medium
Used as second medium, the two carries out heat exchange in the second plate type heat exchanger 6 to the condensed water of spontaneous evaporation condenser 8.
Described humidity processing meanss 3 dehumidification solution outlet connection the first plate type heat exchanger 5 first medium entrance and
The first medium entrance of the second plate type heat exchanger 6, the dehumidification solution of described humidity processing meanss 3 are exported and the first plate-type heat-exchange
Connecting line between the first medium entrance of the first medium entrance of device 5 and the second plate type heat exchanger 6 is provided with weak solution and enters
Material pump 4.The first medium outlet connection evaporation of the first medium outlet of the first plate type heat exchanger 5 and the second plate type heat exchanger 6 is cold
The of the dehumidification solution entrance of condenser 8, the first medium outlet of described the first plate type heat exchanger 5 and the second plate type heat exchanger 6
One media outlet is provided with circulating pump 7 with the connecting line of the dehumidification solution entrance of evaporative condenser 8.Evaporative condenser 8 it is dense
Solution discharging opening connects the second medium entrance of the first plate type heat exchanger 5, the second medium outlet connection of the first plate type heat exchanger 5
Dehumidification solution shower in humidity processing meanss 3, the second medium outlet of the first described plate type heat exchanger 5 are processed with humidity
The connecting line between dehumidification solution shower in device 3 is provided with concentrated solution discharging pump 15.The condensed water of evaporative condenser 8
The second medium entrance of outlet the second plate type heat exchanger 6 of connection, the second medium outlet of the second described plate type heat exchanger 6 connect
Condensate pump 13.
The heat exchanger tube outlet connection demister 9 of described evaporative condenser 8, the connection vapour compression machine 10 of demister 9, steam
Compressor 10 connects the heat exchange tube inlet of evaporative condenser 8.The described connection of evaporative condenser 8 can be by evaporative condenser 8
The vavuum pump 11 that portion's air is extracted out.
Each pipeline periphery in described function of mechanical steam recompression formula regenerative device of solution adds insulation material, evaporative condenser
In device 8, the second plate type heat exchangers of condensed water Jing 6 discharge outdoor by condensate pump 13, need not add insulation material.All devices are equal
Air Conditioning Facilities are installed on, vapour compression machine 10 and all kinds of pumps need to add glissando.Evaporative condenser 8 plus heat-insulating heat-preserving material, remove
The spray head of wet solution spraying pipe selects rotary nozzle.Vacuumized by vavuum pump 11 in evaporative condenser 8, keep certain vacuum
Degree, improves evaporation efficiency.
Dilute dehumidification solution from humidity processing meanss 3 through feed pump 4, by the first plate type heat exchanger 5 and the second plate
Formula heat exchanger 6 exchanges heat, and Jing circulating pumps 7 are squeezed into evaporative condenser 8 and concentrated.Wherein, secondary steam is by being steamed after demister 9
Vapour compressor 10 is sucked, and is compressed into high temperature and high pressure steam, passes through the heat exchanger tube in evaporative condenser 8 to circulation after lifting its enthalpy
Spray dehumidification solution is evaporated concentration, and after solution concentration reaches requirement, by concentrated solution discharging pump 15, Jing first is board-like to be changed
Hot device 5 is sprayed in humidity processing meanss 3, with this circular treatment dehumidification solution.Condensed water passes through the second plate type heat exchanger 6
Discharge into condensate pump 13.Vavuum pump 11 vacuumizes after process row 8 inner air 12 of evaporative condenser to outdoor, this practicality
It is new by above procedure completing air adjustment.