CN104501466B - A kind of earth source heat pump heating power actified solution dehumidifying unit - Google Patents
A kind of earth source heat pump heating power actified solution dehumidifying unit Download PDFInfo
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- CN104501466B CN104501466B CN201410806322.5A CN201410806322A CN104501466B CN 104501466 B CN104501466 B CN 104501466B CN 201410806322 A CN201410806322 A CN 201410806322A CN 104501466 B CN104501466 B CN 104501466B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- F24F3/1411—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
- F24F3/1417—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 liquid hygroscopic desiccants
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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
- F24F2003/144—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 dehumidification only
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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
- F24F2003/1458—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 using regenerators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention relates to a kind of earth source heat pump heating power actified solution dehumidifying unit, including at least one set of solution dehumidification unit, at least one set of solution regeneration unit, at least one set of solution heat recovery units, solution heat recovery units include structure identical top heat regenerator and bottom heat regenerator, solution dehumidification regeneration cycle loop is provided between solution dehumidification unit and solution regeneration unit, the inlet and liquid outlet of the first heat-exchanger rig connect earth source heat pump by pipeline；The inlet and liquid outlet of second heat-exchanger rig are connected by pipeline with external heat source or low-temperature receiver；Solution heat recovery cycle loop is provided between top heat regenerator and bottom heat regenerator.The present invention has the characteristics of applied widely, system stabilization, low operation cost, efficiency high, Energy Efficiency Ratio are high, control is accurate.
Description
Technical field
The present invention relates to the dehumidification equipment of field of air conditioning, more particularly, to a kind of earth source heat pump heating power actified solution dehumidifier
Group.
Background technology
In filed of air conditioning, summer usually requires to carry out cool-down dehumidification processing to the air that outdoor is come in, and winter is usual
Need to carry out warming and humidifying processing to the air that outdoor is come in.Mostly using dehumidification by condensation processing side in traditional air-conditioning system
Formula, i.e., prepare the cooling water of low temperature using refrigeration machine, circulates and is carried out with air in the coil pipe of surface cooler by cooling water
Heat exchange, air themperature is reduced to below dew point, so that air condenses out dehumidification treatments of the moisture realization for fresh air.
The dehumidifying of this processing mode and temperature-fall period are integrated control and while carried out, because the cooling water temperature of dehumidification requirements is far low
In the cooling water temperature needed for cooling, usually 7~12 DEG C, on the one hand, refrigeration machine is operated in the case of low evaporating temperature, lead
Cause the coefficient of performance of refrigeration machine relatively low, on the other hand, though the air humidity after dehumidification by condensation, which is met, requires that temperature is too low, typically
Also need to reheating and can be only achieved wind pushing temperature requirement, cause the secondary waste of the energy.Further, since the presence of condensate makes table
Cooler coil pipe etc. is easy to breed bacteria, gone mouldy, and wind quality has been sent in reduction, has a strong impact on the quality of room air.
To overcome the defect that traditional air-conditioning system dehumidification by condensation mode is present, those skilled in the art has researched and developed molten
Liquid damping mode, i.e., directly contacted with fresh air as working media using the salting liquid with damping property and carry out caloic friendship
Change, when the partial pressure of water vapor of air is higher than the surface vapor pressure of salting liquid, salting liquid is absorbed by the moisture in air；And
When the partial pressure of water vapor of air is less than the surface vapor pressure of salting liquid, the operative liquid water in salting liquid is changing to gaseous state
Get into the air, so as to realize the regulation purpose to air humidity.The dehumidification by condensation mode of solution dehumidification mode and legacy system
Compare, it is not necessary to the low-temperature receiver of low temperature (7~12 DEG C) is crossed, to create condition using the extensive low-grade energy of resource；And it is molten
Salting liquid in liquid dehumidification mode is that progress heat and mass is directly contacted with air, by the filtering of salting liquid, sterilizing function,
It can remove dust, bacterium, mould and some other harmful substance in air, air-supply quality and room air can be effectively improved
Quality.The independent control of temperature and humidity is realized using the air-conditioning system of solution dehumidification mode, due to saving the energy and carrying
Advantage in terms of high indoor air quality, gets the attention and popularization and application.
Solution dehumidification device and the core component that regenerative device of solution is solution dehumidifying air-conditioning system, its caloic exchange process
Directly affect the performance of whole air-conditioning system.Current solution dehumidification device and regenerative device of solution are mainly exchanged heat using heat-insulating
Mode, in this heat exchange mode, salting liquid sprays the tower heat exchanger of the filler set to middle part from the sprinkler part on top
On, and salting liquid collection box is set in bottom, during this one kind, air directly connects with spray to the salting liquid on heat exchanger
Touch and carry out heat and mass, realize that dehumidifying (humidification) of the salting liquid to air is handled, while salting liquid is regenerated by circulation loop,
And iterative cycles are run in this way.But using the air-conditioning system of this heat-insulating solution dehumidification device and regenerative device of solution
Generally existing COP (Energy Efficiency Ratio) is low, high energy consumption, high manufacture and operation cost, system operational parameters and precision is uppity asks
Topic.
It is well known that salting liquid just has preferable dehumidifying effect only in the case of low temperature and high concentration, once salt
The temperature rise or concentration reduction of solution can all influence effect on moisture extraction and efficiency；Similarly, feelings of the salting liquid in high temperature low concentration
Under condition, by could effectively regenerate the salting liquid of high concentration with air contact, otherwise can influence salting liquid regeneration effect and
Efficiency.In the process of solution dehumidification or humidification, air can have releasing for latent heat of phase change while carrying out heat and mass with salting liquid
Put or absorption process, make the temperature of air and solution while occurring quick change, and this change exactly suppresses or reduces biography
Matter motive force, in time can not such as pass latent heat of phase change, can largely influence what solution dehumidification and salting liquid regenerated
Effect and efficiency., exactly can not be fast using the salting liquid dehydrating unit and regenerating unit of heat-insulating due to the defect of self structure
Speed transfers latent heat of phase change, and the main method that this problem is solved at present is increase salting liquid internal circulating load, to suppress or to dilute
Air and salting liquid carry out the latent heat of phase change produced in heat and mass transfer process, and this processing mode necessarily can only alleviate phase transformation in journey
The adverse effect of latent heat, does not tackle the problem at its root, and on the one hand due to the preferable salting liquid of hygroscopicity, its price all compares
It is high, operation cost is increased, and the operational factor and precision of total system are difficult to control, on the other hand due to salting liquid
Usage amount is larger, will also result in overall unit and increases, increases manufacturing cost.Simultaneously this heat-insulating salting liquid dehydrating unit and
The heat exchanger of regenerative device of solution is mainly using copper, steel alloy etc. compared with the manufacture of noble metal material, and its manufacturing cost is also of a relatively high.
In addition, at present using the air-conditioning system of solution dehumidification mode, being dehumidified mainly by heat pump for salting liquid and regenerating link provides
Energy is supported, is consumed substantial amounts of electric energy, is not only made the COP of tissue total system relatively low, and can give summer peak of power consumption
Operation of power networks causes larger pressure.
The content of the invention
It is an object of the invention to provide a kind of earth source heat pump heating power actified solution dehumidifying unit, it has, and system is stable, transport
Seek the characteristics of low cost, efficiency high, Energy Efficiency Ratio are high, control is accurate.
To solve the COP that heat-insulating solution dehumidification system is present in the prior art low, high energy consumption, manufacture and operation cost
High, system operational parameters and the uppity technical problem of precision, a kind of earth source heat pump heating power actified solution dehumidifier of the invention
Group includes at least one set of solution dehumidification unit, at least one set of solution regeneration unit, at least one set of solution heat recovery units, and solution is removed
Wet unit is from top to bottom sequentially provided with the first solution spraying device, the first heat-exchanger rig, the first liquor box；Solution regeneration unit by
The second solution spraying device, the second heat-exchanger rig, the second liquor box are up to sequentially provided with down；Solution heat recovery units include structure
Identical top heat regenerator and bottom heat regenerator, top heat regenerator and bottom heat regenerator are from top to bottom set respectively successively
There are the 3rd solution spraying device, the 3rd heat-exchanger rig, the 3rd liquor box；
Solution dehumidification regeneration cycle loop is provided with by pipeline between solution dehumidification unit and solution regeneration unit, makes first
Solution spraying device and the connection of the second liquor box, and the first liquor box and the second solution spraying device are connected, solution dehumidification is again
Raw circulation loop is provided with heat exchanger and solution circulation pump；The first heat-exchanger rig in solution dehumidification unit uses inner-cooled or interior
The heat exchange mode of hot type, the inlet and liquid outlet of the first heat-exchanger rig are connected by pipeline with earth source heat pump；
The second heat-exchanger rig uses the heat exchange mode of inner-cooled or internal heat type in solution regeneration unit, the second heat-exchanger rig
Inlet and liquid outlet connect to form heat exchange circulation loop by pipeline with external heat source or low-temperature receiver, on heat exchange circulation loop
Provided with solution circulation pump；
The 3rd solution spraying device and the 3rd liquor box in the heat regenerator of top by pipeline respectively with bottom recuperation of heat
The 3rd liquor box and the 3rd solution spraying device in device are connected to form solution heat recovery cycle loop, and solution heat recovery cycle is returned
Road is provided with solution circulation pump；
Bottom heat regenerator, solution dehumidification unit array from left to right to form fresh air --- air-supply passage；Top heat
Recover, solution regeneration unit are arranged in order to form return air from right to left --- air exhaust passage.
Preferably, fresh air --- air-supply passage left end is provided with new wind filter, new wind filter provided with filtering and electrostatic
Dust arrester, fresh air --- air-supply passage right-hand member are provided with breeze fan, and breeze fan uses frequency conversion fan.
Preferably, return air --- air exhaust passage right-hand member is sequentially provided with return air low efficient filter and exhaust fan from right to left,
Exhaust fan uses frequency conversion fan.
Preferably, in addition to electric and control unit, electrically for electric distribution and operational factor is entered with control unit
Row is controlled to adjust.
Preferably, the pipeline connected on the second liquor box (203) or with the second liquor box (203) is provided with water compensating valve.
Preferably, the first heat-exchanger rig and the second heat-exchanger rig are multilayer calandria structure, and multilayer comb uses plastic production,
One end of multilayer comb is connected with the feed pathway communicated with inlet, and the other end of multilayer comb is communicated with liquid outlet
Liquid outlet channel connection.
Alternatively, earth source heat pump is soil heat pump, underground water heat pump or surface water heat pump, and soil heat pump is used for solution dehumidification
Unit carries out heat exchange with soil, and underground water heat pump is used for solution dehumidification unit and carries out heat exchange, surface water with underground water
Heat pump is used for solution dehumidification unit and carries out heat exchange with lake water, river, seawater, municipal wastewater.
Alternatively, solution dehumidification unit and the pairing of solution regeneration unit are set, each pair solution dehumidification unit and solution regeneration
Independent solution dehumidification regeneration cycle loop is respectively provided between unit.
Alternatively, shared between solution dehumidification unit and solution regeneration unit provided with one section of solution dehumidification regeneration cycle loop
Pipeline, common conduit includes the reverse pipeline of two liquid flow path directions, and all solution dehumidification units and all solution regeneration units are logical
Cross the solution dehumidification regeneration cycle loop of common conduit formation mixing.
To help skilled in the art to understand the present invention, with reference to summer except wet cooling condition and winter humidification operating mode, point
Other fresh air and return air processing procedure in the present invention, and solution dehumidification regeneration cycle loop and heat exchange circulation loop fortune
Row process is described in further detail.
Fresh air and return air processing procedure：
Summer is removed under wet cooling condition, and outdoor fresh air is from fresh air --- air-supply passage left end enters, and enters first through new wind filter
Row filtering and electrostatic precipitation processes；Carry out hot and humid area is contacted by bottom heat regenerator and directly with salting liquid therein again,
Make the heat of salt-solution absorption fresh air therein to cool down fresh air, this process can reduce energy consumption >=50% of Fresh air handing；Then
Fresh air contacts by solution dehumidification unit and directly the water in carry out hot and humid area, fresh air with low temperature and high concentration salting liquid therein
Point being changed into liquid enters salting liquid, realizes the depth dehumidifying of fresh air；Fresh air after above step is handled is most afterwards through wind of blowing
Machine is transported to interior.Indoor return air enters return air from right-hand member --- and air exhaust passage, is filtered through return air low efficient filter first
Dust removal process；Return air after dust removal by filtration is transported to top heat regenerator through exhaust fan, is directly contacted with salting liquid therein
Hot and humid area is carried out, return air is taken away the heat of salting liquid；Then return air by solution regeneration unit and with salting liquid therein
The operative liquid water that directly contact is carried out in hot and humid area, low concentration salt solution is changed into gaseous state and entered in return air, so as to realize salt
The high concentration regeneration of solution, last return air discharge is outdoor.Breeze fan and exhaust fan of the present invention use frequency conversion fan, can root
Variable frequency adjustment is carried out according to indoor and outdoor parameter, to save the stability of the medicine energy and enhancing unit, exhaust air rate is with not less than air output
70% is advisable, ideally, and 80% effect that exhaust air rate is equal to air output is best.
Under winter humidification operating mode, fresh air and bottom heat regenerator, the hot and humid area direction of solution dehumidification unit, and return air
With the hot and humid area direction of top heat regenerator, solution regeneration unit, wet cooling condition is removed with summer opposite.Fresh air is from fresh air ---
Air-supply passage left end enters, and is filtered and electrostatic precipitation processes through new wind filter first；Again by bottom heat regenerator simultaneously
Carry out hot and humid area is directly contacted with salting liquid therein, makes fresh air absorb the heat of salting liquid to heat fresh air；Then fresh air
The part in carry out hot and humid area, salting liquid is directly contacted by solution dehumidification unit and with high temperature low concentration salt solution therein
Aqueous water is changed into gaseous state and entered in fresh air, realizes the humidification process of fresh air；Fresh air after being handled through above step is most afterwards through air-supply
Blower fan is transported to interior.Indoor return air enters return air from right-hand member --- and air exhaust passage, through return air, slightly effect filter was carried out excessively first
Filtering dust collecting processing；Return air after dust removal by filtration is transported to top heat regenerator through exhaust fan and directly connect with salting liquid therein
Touch and carry out hot and humid area, make the heat in salt-solution absorption return air；Then return air by solution regeneration unit and with salt therein
Solution directly contacts carry out hot and humid area, the moisture in return air is changed into liquid into salting liquid, salting liquid by high concentration again
Low concentration is generated, last return air discharge is outdoor.
Solution dehumidification regeneration cycle loop and the running in heat exchange circulation loop：
Above-mentioned summer removes the fresh air and return air processing procedure under wet cooling condition and winter humidification operating mode, by salting liquid circulation loop
And heat exchange circulation loop provides driving and supported.The present invention includes two salting liquid circulation loops and two heat exchange circulations are returned
In road, the salting liquid circular flow in two salting liquid circulation loops respectively, two salting liquid circulation loops, one is that solution is removed
Solution dehumidification regeneration cycle loop between wet unit and solution regeneration unit；Another is that top heat regenerator is returned with bottom heat
Receive the solution heat recovery cycle loop between device；In two heat exchange circulation loops, one second is changed in solution regeneration unit
Heat exchange circulation loop between thermal and external heat source or low-temperature receiver；Another is earth source heat pump and in solution regeneration unit the
Heat exchange circulation loop between one heat-exchanger rig.
Summer is removed under wet cooling condition, the solution dehumidification regeneration cycle loop fortune between solution dehumidification unit and solution regeneration unit
It is and straight by fresh air therein during the salting liquid of low temperature and high concentration is sprayed in solution dehumidification unit during row
Contact and carry out hot and humid area, now the partial pressure of water vapor in fresh air is higher than the surface vapor pressure of salting liquid, salting liquid meeting
The moisture absorbed in fresh air carries out dehumidification treatments from realization to fresh air, and the salting liquid of high concentration is due to absorbing the water in fresh air
Divide so as to concentration reduction.Then it is transported to by circulating pump from the first liquor box in solution dehumidification unit in solution regeneration unit
The second solution spraying device, during being sprayed in solution regeneration unit, directly contacted simultaneously with by return air therein
Hot and humid area is carried out, when now the partial pressure of water vapor in return air is less than the surface vapor pressure of salting liquid, in low concentration salt solution
Operative liquid water can be changed into gaseous state into return air, while being heated by the second heat-exchanger rig, regenerate salting liquid
The salting liquid of high-temperature high concentration, then makes the salting liquid of high-temperature high concentration become low temperature high by the heat exchanger on the circulation loop
The salting liquid of concentration, finally by another circulating pump by the salting liquid of low temperature and high concentration be transported to solution dehumidification unit it is first molten
Liquid spray equipment is sprayed, such iterative cycles operation.
In solution heat recovery cycle loop running between top heat regenerator and bottom heat regenerator, salting liquid leads to
The 3rd spray equipment for crossing bottom heat regenerator is sprayed, and is directly contacted and is carried out with by fresh air therein during spray
Hot and humid area, salt-solution absorption fresh air thermal temperature rise, then by solution circulation pump by the elevated salting liquid of temperature under
3rd liquor box of portion's heat regenerator is transported to the 3rd spray equipment of top heat regenerator, during spray and by wherein
Return air directly contact and carry out hot and humid area, return air takes away the heat in salting liquid, the reduction of salting liquid temperature, then from top heat
The 3rd spray equipment of bottom heat regenerator, such iterative cycles operation are flowed in 3rd liquor box of recover.
In heat exchange circulation loop running between the first heat-exchanger rig in earth source heat pump and solution regeneration unit,
Summer, underground water or river, lake, marine deep water are natural cold source, by earth source heat pump circulation constantly to solution dehumidification list
The first heat-exchanger rig in member is passed through low-temperature receiver, and the latent heat of phase change produced in salting liquid dehumidification process is taken away in time (now in air
Moisture can release heat because becoming liquid), and heat is transported to underground, the temperature in salting liquid dehumidification process can be prevented effectively from
Degree rise, makes salting liquid maintain relatively low temperature levels, keeps long-acting dehumidifying effect.
In the heat exchange circulation loop running between the second heat-exchanger rig and external heat source in solution regeneration unit,
External heat source constantly provides the phase transformation produced in thermal source, timely make-up solution regenerative process by circulation to the second heat-exchanger rig
Latent heat (now the moisture in salting liquid can absorb heat because becoming gaseous state), it is to avoid the temperature reduction in salting liquid regenerative process,
Salting liquid is maintained higher temperature levels, improve the regeneration efficiency and effect of salting liquid.External heat source can utilize solar energy, city
The hot water or used heat of city's heat supply network, also using the used heat of BCHP systems.
In the winter time under humidification operating mode, heat exchange direction and the summer dehumidifying work in salting liquid circulation loop and heat exchange circulation loop
Condition is opposite.In solution dehumidification regeneration cycle loop running between solution dehumidification unit and solution regeneration unit, high temperature is low
During the salting liquid of concentration is sprayed in solution dehumidification unit, directly contact and carry out hot wet with by fresh air therein
Exchange, now the partial pressure of water vapor in fresh air is less than the part in the surface vapor pressure of salting liquid, high temperature low concentration salt solution
Aqueous water can be changed into gaseous state and enter in fresh air, so that the humidification process to fresh air is realized, and salting liquid is due to part liquid therein
State water becomes gaseous state and entered in fresh air so as to concentration rise.Then will from the first liquor box of solution dehumidification unit by circulating pump
Salting liquid is transported to the second solution spraying device of solution regeneration unit, during being sprayed in solution regeneration unit, with
Directly contacted by return air therein and carry out hot and humid area, now the partial pressure of water vapor in return air is higher than the surface of salting liquid
During vapour pressure, salting liquid can absorb the moisture in return air to realize that low concentration regenerates.Then pass through changing on the circulation loop
Hot device becomes the salting liquid of low-temperature and low-concentration the salting liquid of high temperature low concentration, and by another circulating pump by high temperature low concentration
Salting liquid is transported to the first solution spraying device of solution dehumidification unit.Such iterative cycles operation.It should be noted that in the winter
Season is humidified under operating mode, and the regeneration that the moisture often only leaned in salt-solution absorption return air tends not to meet low concentration salt solution will
Ask, a certain amount of water need to be supplemented by water compensating valve can meet the low concentration requirement of salting liquid.
In solution heat recovery cycle loop running between top heat regenerator and bottom heat regenerator, salting liquid leads to
The 3rd spray equipment for crossing bottom heat regenerator is sprayed and directly contacts carry out hot and humid area with by fresh air therein, newly
Wind absorbs the heat in salting liquid, makes the reduction of salting liquid temperature, then hot from bottom by the solution circulation pump in the circulation loop
Salting liquid is transported to the 3rd spray equipment of top heat regenerator by the 3rd liquor box of recover, enters in the heat regenerator of top
Row spray and with directly contacting the heat in carry out hot and humid area, salt-solution absorption return air by return air therein and temperature liter
Height, then flows to the 3rd spray equipment of bottom heat regenerator from the 3rd liquor box of top heat regenerator again, so follows repeatedly
Inscription of loop.
In heat exchange circulation loop running in earth source heat pump and solution regeneration unit between the first heat-exchanger rig, the winter
Season, underground water or river, lake, marine deep water are natural thermal source, by earth source heat pump circulation constantly to solution dehumidification unit
In the first heat-exchanger rig be passed through thermal source, the salting liquid of spray is carried out to heat the phase produced in timely make-up solution humidification
Become latent heat (now the aqueous water in salting liquid, which is changed into gaseous state, can absorb heat), salting liquid is maintained higher temperature levels, protect
Hold long-acting humidification capability.
In heat exchange circulation loop running in solution regeneration unit between the second heat-exchanger rig and external source, outside
Portion's low-temperature receiver continuously provides low-temperature receiver to the second heat-exchanger rig, and the latent heat of phase change produced in solution reclaiming process is taken away in time
(now the moisture in return air can be because being changed into liquid releases heat), it is to avoid the temperature rise in salting liquid regenerative process, makes salt
Solution maintains relatively low temperature levels, improves salting liquid regeneration efficiency and effect.Under winter humidification operating mode, external source can be used
Cooling water, it is possible to use common running water or lake water and river are used as low-temperature receiver.
The present invention with control unit by electrically controlling each equipment progress distribution and operational factor in unit, electric and control
Unit processed includes device and the casings such as detection sensor, actuator, DDC or PLC single-chip microcomputers, can be real by electric and control unit
The automatic management of existing unit, improves the stability and precision of unit operation.
Compared with the salting liquid dehumidification system of traditional air conditioner dehumidification system and heat-insulating, a kind of earth source heat pump heating power of the invention
Actified solution dehumidifying unit has advantages below：
1) present invention uses salting liquid dehumidification mode, is driven using low-grade energy, it is not necessary to which temperature in use is very
Low cooling water, while coil pipe is also not present, the effectively save energy of energy, it is to avoid bacterium, the growth gone mouldy improves room air product
Matter.
2) present invention uses earth source heat pump to provide low-temperature receiver or thermal source for solution dehumidification unit, and only earth source heat pump is consumed on a small quantity
Electric energy can obtain sufficient and stable Cooling and Heat Source, and energy consumption is low, and Energy Efficiency Ratio is high.
3) present invention uses external heat source or low-temperature receiver to provide driving for solution regeneration unit and supported, using solar energy, city
The hot water or used heat of city's heat supply network, also using the waste heat driven of BCHP systems, can be achieved the cascade utilization of the energy.
4) the first heat-exchanger rig and the second heat-exchanger rig in the present invention, can be effective using interior cold or interior hot heat exchange mode
The adverse effect for avoiding latent heat of phase change from producing, makes salting liquid keep stable temperature levels, keeps the dehumidifying of long-acting stabilization or adds
Wet ability, strengthens the stability of unit.
5) present invention can also effectively reduce the recycling amount of salting liquid, reduction fortune using interior cold or interior hot heat exchange mode
Cost is sought, while reducing unit volume, unit cost is reduced.In addition, the first heat-exchanger rig and the second heat-exchanger rig use plastics
Multilayer calandria structure processed, can maximize the performance for playing interior cold or interior hot heat exchange mode, and reduce manufacturing cost.
6) unit, solution heat recovery units, surface cooler combination are flexible again for solution dehumidification unit, solution in the present invention, can
Independent assortment according to actual needs, its connected mode also can using discrete arrangement or combination arrangement various ways,
To adapt to different spatial depictions.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the first embodiment of earth source heat pump heating power actified solution dehumidifying unit of the invention；
Fig. 2 is a kind of schematic diagram of earth source heat pump heating power actified solution dehumidifying second of embodiment of unit of the invention；
Fig. 3 is a kind of schematic diagram of the third embodiment of earth source heat pump heating power actified solution dehumidifying unit of the invention；
Fig. 4 is a kind of schematic diagram of earth source heat pump heating power actified solution dehumidifying the 4th kind of embodiment of unit of the invention.
Embodiment
A kind of signal of the first embodiment of earth source heat pump heating power actified solution dehumidifying unit of the invention as shown in Figure 1
In figure, including one group of solution dehumidification unit 1, one group of solution regeneration unit 2, one group of solution heat recovery units 3, solution dehumidification unit
1 is from top to bottom sequentially provided with the first solution spraying device 101, the first heat-exchanger rig 102, the first liquor box 103；Solution regeneration is single
Member 2 is from top to bottom sequentially provided with the second solution spraying device 201, the second heat-exchanger rig 202, the second liquor box 203；Solution heat is returned
Receiving unit 3 includes structure identical top heat regenerator 31 and bottom heat regenerator 32, and top heat regenerator 31 and bottom heat are returned
Receive device 32 and be from top to bottom respectively equipped with the 3rd solution spraying device, the 3rd heat-exchanger rig, the 3rd liquor box successively.
Solution dehumidification regeneration cycle loop is set by pipeline between solution dehumidification unit 1 and solution regeneration unit 2, made
First solution spraying device 101 is connected with the second liquor box 203, and makes the first liquor box 103 and the second solution spraying device 201
Connection, salting liquid circular flow in solution dehumidification regeneration cycle loop, solution dehumidification regeneration cycle loop is provided with heat exchanger
4, heat exchanger 4 is used for being cooled or being heated by salting liquid therein, in the connection He of the first solution spraying device 101
Solution circulation pump 5 is set respectively on the pipeline of second solution spraying device 201, circulation is provided for solution dehumidification regeneration cycle loop
Driving force.
First heat-exchanger rig 102 uses the heat exchange mode of inner-cooled or internal heat type in the solution dehumidification unit 1 of the present invention, the
The inlet and liquid outlet of one heat-exchanger rig 102 are connected by pipeline with earth source heat pump 6, are that the first heat exchange is filled by earth source heat pump 6
102 offer low-temperature receivers or thermal source are provided, salting liquid is carried out spray process in solution dehumidification unit 1 by the first heat-exchanger rig 102
It is middle to keep stable temperature levels and keep long-acting dehumidifying or humidification capability.Second heat-exchanger rig 202 in solution regeneration unit 2
Also using inner-cooled or the heat exchange mode of internal heat type, the inlet and liquid outlet of the second heat-exchanger rig 202 pass through pipeline and outside
Thermal source or low-temperature receiver connect to form heat exchange circulation loop, make salt be dissolved in solution regeneration unit by the second heat-exchanger rig 202
Stable temperature levels are kept during row spray, salting liquid regeneration effect and efficiency is kept.In top heat regenerator 31
Three solution spraying devices and the 3rd liquor box are molten with the 3rd liquor box in bottom heat regenerator 32 and the 3rd respectively by pipeline
Liquid spray equipment connects to form solution heat recovery cycle loop, the 3rd solution spraying device in connection top heat regenerator 31
Solution circulation pump 5 is set on pipeline, to provide salting liquid circulation driving force.
Bottom heat regenerator 32, solution dehumidification unit 1 array from left to right to form fresh air --- air-supply passage；Top
Heat regenerator 31, solution regeneration unit 2 are arranged in order to form return air from right to left --- air exhaust passage.By in fresh air --- send
The left end of wind passage sets new wind filter 7, and effect or sub- high efficiency filter and electrostatic precipitation are filled in setting in new wind filter 7
Put, the dust or impurity in fresh air can be effectively filtered out, fresh air quality can be improved and avoid the dust of fresh air from polluting salting liquid；Pass through
In fresh air --- air-supply passage right-hand member sets breeze fan 8, and fresh air can be guided to move towards and wind speed, while breeze fan 8 is using change
Frequency blower fan can carry out variable frequency adjustment according to indoor and outdoor parameter, to save the energy, strengthen the stability of unit operation.By returning
Wind --- air exhaust passage right-hand member also sets gradually return air low efficient filter 9 and exhaust fan 10 from right to left, can equally filter out back
Dust or impurity in wind, it is to avoid the dust pollution salting liquid in return air, using the guiding return air trend of exhaust fan 10 and wind speed,
Exhaust fan 10 equally uses frequency conversion fan to save the energy, strengthens the stability of unit operation.
Present invention additionally comprises electric and control unit (not shown), electric and control unit is used to move each part
Power distribution and operational factor are controlled and adjusted, and electric and control unit includes detection sensor, actuator, DDC or PLC
The devices such as single-chip microcomputer, the automatic management of unit can be realized by electric and control unit, improve the stability and essence of unit operation
Degree.Water compensating valve (not shown) is additionally provided with the pipeline connected on second liquor box or with the second liquor box, water compensating valve is used for
It is salting liquid moisturizing under winter condition, meets salting liquid low concentration regeneration requirements.
It should be noted that the first heat-exchanger rig 102 and the second heat-exchanger rig 202 are designed to plastics multilayer by the present invention
Calandria structure, and one end of multilayer comb is connected with the feed pathway communicated with inlet, the other end of multilayer comb is equal
Connected with the liquid outlet channel communicated with liquid outlet.The heat-exchanger rig adopted the structure, can not only give full play to interior cold or interior heat
The advantage of heat exchange mode, and manufacturing cost can be saved.Discounting for manufacturing cost, the first heat-exchanger rig 102 and
Two heat-exchanger rigs 202 can also be made using metal materials such as copper and steel alloys.In addition, earth source heat pump 6 of the present invention can
To use soil heat pump, underground water heat pump or surface water heat pump, or other utilize the heat pump in natural cold and heat source.Soil heat pump
Heat exchange is carried out for solution dehumidification unit 1 and soil, underground water heat pump is used for solution dehumidification unit 1 and carries out heat with underground water
Amount is exchanged, and surface water heat pump is used for solution dehumidification unit 1 and carries out heat exchange with lake water, river, seawater, municipal wastewater.Pass through
Earth source heat pump 6 can obtain natural low-temperature receiver or thermal source, improve the Energy Efficiency Ratio of unit.
A kind of signal of earth source heat pump heating power actified solution dehumidifying second of embodiment of unit of the invention as shown in Figure 2
In figure, and unlike the first embodiment, solution heat recovery units 3 are set to two groups by present embodiment, enhance machine
The energy saving performance of group.The third embodiment party of a kind of earth source heat pump heating power actified solution dehumidifying unit of the invention as shown in Figure 3
In the schematic diagram of formula, and unlike the first embodiment, the third embodiment is provided with two groups of solution dehumidification units 1, two
The feed liquor of second heat-exchanger rig 202 in group solution regeneration unit 2, one group of solution heat recovery units 3, two groups of solution regeneration units 2
Mouth and liquid outlet connect to form heat exchange circulation loop with external heat source or low-temperature receiver, and the first of two groups of solution dehumidification units 1
Heat-exchanger rig connects to form heat exchange circulation loop with earth source heat pump 6.Two groups of solution dehumidification units 1 and two groups of solution regenerate
Two pairs of settings are made between single 2, a solution dehumidification is set respectively between each pair solution dehumidification unit 1 and solution regeneration single 2
Regeneration cycle loop, and heat exchanger 4 and solution circulation pump 5 are set on respective solution dehumidification regeneration cycle loop, make two groups
Salting liquid circulation between solution dehumidification unit 1 and two groups of solution regeneration single 2 is independent of each other.This structure setting can improve unit
Should just ability, after one group of two groups of solution dehumidification unit 1 and two groups of solution regeneration single 2 lose effect, another group can transport as usual
OK.
It should be noted that in the third embodiment, solution dehumidification unit 1 and solution regeneration unit 2 are not limited to set
Two groups are put, can set more multigroup according to actual needs, the solution between solution dehumidification unit 1 and solution regeneration unit 2
Dehumidifying regeneration cycle loop is also not necessarily limited to the set-up mode of pairing, can be regenerated in all solution dehumidification units 1 and all solution
Solution dehumidification regeneration cycle loop common conduit is set between unit 2, and common conduit is the reverse pipeline of two liquid flow path directions, is allowed
It is all connection the first solution spraying device 101 pipelines and the first liquor box of all connections 103 pipeline by common conduit with
The solution of the pipeline formation mixing of the pipeline and the second solution spraying of all connections device 201 of the second liquor box 203 of all connections
The regeneration cycle that dehumidifies loop, heat exchanger 4 and solution circulation pump 5 can be located in common conduit, and only heat exchanger 4 can also be set
In common conduit and in the pipe of the second solution spraying device 201 of the first solution spraying device 101 of all connections and all connections
Solution circulation pump 5 is set respectively on road.
A kind of signal of earth source heat pump heating power actified solution dehumidifying the 4th kind of embodiment of unit of the invention as shown in Figure 4
In figure, from unlike the third embodiment, being regenerated in present embodiment provided with two groups of solution dehumidification units 1, two groups of solution
Unit 2, one group of solution heat recovery units 3, set solution to remove between two groups of solution dehumidification units 1 and two groups of solution regeneration units 2
Wet regeneration cycle loop common conduit, forms the solution dehumidification regeneration cycle loop of mixing.This structure setting can reduce unit body
Product, better adapts to less space.
Above example is only the description carried out to the preferred embodiment of the present invention, and model not is claimed to the present invention
The restriction of progress is enclosed, on the premise of design spirit of the present invention is not departed from, skill of this area engineers and technicians according to the present invention
In the various forms of deformations that art scheme is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (8)
- The unit 1. a kind of earth source heat pump heating power actified solution dehumidifies, including at least one set of solution dehumidification unit (1), at least one set are molten Liquid regeneration unit (2), at least one set of solution heat recovery units (3), it is characterised in that：The solution dehumidification unit (1) is by up to Under be sequentially provided with the first solution spraying device (101), the first heat-exchanger rig (102), the first liquor box (103)；Solution regeneration is single First (2) are from top to bottom sequentially provided with the second solution spraying device (201), the second heat-exchanger rig (202), the second liquor box (203)； Solution heat recovery units (3) include structure identical top heat regenerator (31) and bottom heat regenerator (32), top recuperation of heat Device (31) and bottom heat regenerator (32) are from top to bottom respectively equipped with the 3rd solution spraying device, the 3rd heat-exchanger rig, successively Three liquor boxs；Solution dehumidification regeneration cycle loop is set by pipeline between solution dehumidification unit (1) and solution regeneration unit (2), made First solution spraying device (101) is connected with the second liquor box (203), and makes the first liquor box (103) and the second solution spraying Device (201) is connected, and solution dehumidification regeneration cycle loop is provided with heat exchanger (4) and solution circulation pump (5)；Solution dehumidification unit (1) the first heat-exchanger rig (102) in is using inner-cooled or the heat exchange mode of internal heat type, the feed liquor of the first heat-exchanger rig (102) Mouth and liquid outlet are connected by pipeline with earth source heat pump (6)；The second heat-exchanger rig (202) is using inner-cooled or the heat exchange mode of internal heat type, the second heat exchange dress in solution regeneration unit (2) The inlet and liquid outlet for putting (202) connect to form heat exchange circulation loop, heat exchange by pipeline with external heat source or low-temperature receiver Circulation loop is provided with solution circulation pump (5)；The 3rd solution spraying device and the 3rd liquor box in top heat regenerator (31) pass through pipeline and bottom heat regenerator (32) the 3rd liquor box and the 3rd solution spraying device in connect to form solution heat recovery cycle loop, solution heat recovery cycle Loop is provided with solution circulation pump (5)；Bottom heat regenerator (32), solution dehumidification unit (1) array from left to right to form fresh air --- air-supply passage；Top Heat regenerator (31), solution regeneration unit (2) are arranged in order to form return air from right to left --- air exhaust passage；First heat-exchanger rig (102) and the second heat-exchanger rig (202) are multilayer calandria structure, and multilayer comb uses plastics system Make, one end of multilayer comb connects with the feed pathway communicated with inlet, the other end of multilayer comb with and liquid outlet The liquid outlet channel connection communicated.
- 2. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim 1, it is characterised in that：Fresh air --- Air-supply passage left end is provided with new wind filter (7), new wind filter (7) provided with filtering and electrostatic precipitator, fresh air --- Air-supply passage right-hand member is provided with breeze fan (8), and breeze fan (8) uses frequency conversion fan.
- 3. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim 2, it is characterised in that：Return air --- Air exhaust passage right-hand member is sequentially provided with return air low efficient filter (9) and exhaust fan (10) from right to left, and exhaust fan (10) is used Frequency conversion fan.
- 4. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim 3, it is characterised in that：Also include electricity Gas and control unit, are electrically used for electric distribution and regulation are controlled to operational factor with control unit.
- 5. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim 4, it is characterised in that：Second solution The pipeline connected on case (203) or with the second liquor box (203) is provided with water compensating valve.
- 6. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim 5, it is characterised in that：Described ground source Heat pump (6) is soil heat pump, underground water heat pump or surface water heat pump, and soil heat pump enters for solution dehumidification unit (1) with soil Row heat exchange, underground water heat pump is used for solution dehumidification unit (1) and carries out heat exchange with underground water, and surface water heat pump is used for molten Liquid Dehumidifying element (1) carries out heat exchange with lake water, river, seawater, municipal wastewater.
- 7. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim any one of 1-6, it is characterised in that： The solution dehumidification unit (1) and solution regeneration unit (2) pairing are set, and each pair solution dehumidification unit (1) and solution regeneration are single Independent solution dehumidification regeneration cycle loop is respectively provided between first (2).
- 8. according to a kind of earth source heat pump heating power actified solution dehumidifying unit described in claim any one of 1-6, it is characterised in that： Provided with one section of solution dehumidification regeneration cycle loop common conduit between the solution dehumidification unit (1) and solution regeneration unit (2), Common conduit includes the reverse pipeline of two liquid flow path directions, and all solution dehumidification units (1) and all solution regeneration units (2) are logical Cross the solution dehumidification regeneration cycle loop of common conduit formation mixing.
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| CN105571202B (en) * | 2015-12-01 | 2018-03-30 | 王英慧 | A kind of fountain source pump using water as thermal source |
| CN105972734B (en) * | 2016-06-16 | 2022-04-19 | 杭州滨创能源科技有限公司 | Heat-driven and heat-pump combined solution humidity conditioning unit and humidity conditioning control method |
| CN107642862A (en) * | 2017-09-01 | 2018-01-30 | 江苏紫东建筑科技股份有限公司 | A kind of solution dehumidifying fresh air handling group of earth source heat pump driving |
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| JP3037648B2 (en) * | 1997-10-24 | 2000-04-24 | 株式会社荏原製作所 | Dehumidification air conditioning system |
| JP2008128545A (en) * | 2006-11-20 | 2008-06-05 | Chugoku Electric Power Co Inc:The | Dehumidifying air-conditioning system and method using rotary dehumidifier, and control device and control method for dehumidifying air-conditioning system |
| CN101876469B (en) * | 2009-11-26 | 2012-06-27 | 佛山市浩特普尔人工环境设备有限公司 | Heat pump coupling contraflow type liquid-desiccant central ventilation system and control method thereof |
| KR101250769B1 (en) * | 2011-04-06 | 2013-04-03 | 한국생산기술연구원 | Hybrid air conditioning system |
| CN202126039U (en) * | 2011-06-27 | 2012-01-25 | 上海成信建业节能科技有限公司 | Air-conditioning system for independently controlling temperature and humidity |
| CN102345908A (en) * | 2011-08-26 | 2012-02-08 | 东南大学 | Solution dehumidification regenerating unit |
| CN202452608U (en) * | 2012-02-09 | 2012-09-26 | 北京华创瑞风空调科技有限公司 | Solution-humidity-regulating all-air unit with total-heat recovery device |
| CN203628881U (en) * | 2013-12-25 | 2014-06-04 | 刘拴强 | Air conditioning device capable of preparing cooling media or heating media and simultaneously processing air heat and humidity loads |
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