CN204513626U - A kind of thermostatic type solution dehumidification regeneration cycle system - Google Patents
A kind of thermostatic type solution dehumidification regeneration cycle system Download PDFInfo
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- CN204513626U CN204513626U CN201420822191.5U CN201420822191U CN204513626U CN 204513626 U CN204513626 U CN 204513626U CN 201420822191 U CN201420822191 U CN 201420822191U CN 204513626 U CN204513626 U CN 204513626U
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Abstract
The utility model relates to a kind of thermostatic type solution dehumidification regeneration cycle system, comprise at least one group of solution dehumidification unit, at least one group of regeneration of waste liquor unit, solution dehumidification unit is provided with the first solution spraying device from top to bottom successively, first heat-exchanger rig, first liquor box, regeneration of waste liquor unit is provided with the second solution spraying device from top to bottom successively, second heat-exchanger rig, second liquor box, solution dehumidification regeneration cycle loop is provided with between solution dehumidification unit and regeneration of waste liquor unit, first heat-exchanger rig and the second heat-exchanger rig adopt the heat exchange mode of inner-cooled or internal heat type, the inlet of the first heat-exchanger rig and the second heat-exchanger rig and liquid outlet to be communicated with low-temperature receiver or thermal source respectively by pipeline or to be coupled.The utility model has that structure is simple, cost is low, control accurate advantage.
Description
Technical field
The utility model relates to the dehumidification equipment of field of air conditioning, especially relates to a kind of thermostatic type solution dehumidification regeneration cycle system.
Background technology
In filed of air conditioning, usually needing summer the air to coming in outdoor to carry out cool-down dehumidification process, usually needing winter the air to coming in outdoor to carry out warming and humidifying process.Mostly dehumidification by condensation processing mode is adopted in traditional air-conditioning system, namely refrigeration machine is adopted to prepare the chilled water of low temperature, circulated in the coil pipe of surface cooler by chilled water and carry out exchange heat with air, air themperature is reduced to below dew point, thus makes air condense out the dehumidification treatments of moisture realization for new wind.The dehumidifying of this processing mode and temperature-fall period are integrated and control and carry out simultaneously, because the chilled water temperature of dehumidification requirements is far below the chilled water temperature needed for cooling, be generally 7 ~ 12 DEG C, on the one hand, under making refrigeration machine be operated in low evaporating temperature situation, cause the coefficient of performance of refrigeration machine lower, on the other hand, though the air humidity after dehumidification by condensation meets the demands but temperature is too low, generally also need reheating just can reach wind pushing temperature requirement, cause the secondary waste of the energy.In addition, the existence due to condensate water makes the places such as surface cooler coil pipe be easy to breed bacteria, go mouldy, thus reduces air-supply quality, has a strong impact on the quality of room air.
For overcoming the defect that traditional air-conditioning system dehumidification by condensation mode exists, those skilled in the art has researched and developed solution humidifying mode, namely adopt the salting liquid with damping character as working media, directly contact with new wind and carry out hot and humid area, when the surface vapor pressure of the partial pressure of water vapor in air higher than salting liquid, salting liquid will absorb the moisture in air; And when the surface vapor pressure of the partial pressure of water vapor in air lower than salting liquid, the operative liquid water in salting liquid will become gaseous state and enter in air, thus realize the adjustment object to air humidity.Solution dehumidification mode is compared with the dehumidification by condensation mode of legacy system, does not need the low-temperature receiver of low temperature (7 ~ 12 DEG C), for utilize resource widely low-grade energy create condition; And the salting liquid in solution dehumidification mode directly contacts with air and carries out heat and mass, by filtration, the sterilizing function of salting liquid, the dust in air, bacterium, mould and some other harmful substance can be removed, effectively can improve the quality of air-supply quality and room air.
Solution dehumidification device and regenerative device of solution are the core components of solution dehumidifying air-conditioning system, and its hot and humid area process directly affects the performance of whole air-conditioning system.Current solution dehumidification device and regenerative device of solution mainly adopt heat-insulating heat exchange mode, in this heat exchange mode, salting liquid sprays the tower heat exchanger of filler that middle part arranges from the sprinkler part on top, and salting liquid collection box is set in bottom, in this kind of process, air and salting liquid directly contact and carry out heat and mass, realize salting liquid and process the dehumidifying (humidification) of air, salting liquid is regenerated by closed circuit simultaneously, and iterative cycles runs in this way.But adopt the air-conditioning system ubiquity COP (Energy Efficiency Ratio) of heat-insulating solution dehumidification device and regenerative device of solution low, to manufacture and operation cost is high, system operational parameters and the uppity problem of precision.
As everyone knows, salting liquid only just has good dehumidifying effect when low temperature and high concentration, once the temperature of salting liquid raises or concentration reduction will affect effect on moisture extraction and dehumidification rate; Similarly, salting liquid, could the salting liquid of regeneration high concentration effectively by contacting with air when high temperature low concentration, otherwise can affect salting liquid regeneration effect and efficiency.In the process of solution dehumidification or humidification, release or the absorption process of latent heat of phase change can be there is while air and salting liquid carry out heat and mass, make the temperature of air and solution Rapid Variable Design occur simultaneously, and this change exactly suppresses or reduce mass transfer force, as do not passed by latent heat of phase change in time, effect and the efficiency of solution dehumidification and regeneration of waste liquor can be affected to a great extent.Adopt the salting liquid dehydrating unit of heat-insulating and regenerative device of solution due to the defect of self structure, exactly can not fast latent heat of phase change be transferred, the main way that this field addresses this problem at present is the circular flow increasing salting liquid, to suppress or diluent air and salting liquid carry out the latent heat of phase change that produces in heat and mass transfer process, although this processing mode alleviates the adverse effect of latent heat of phase change in certain journey, but do not tackle the problem at its root, on the one hand because its price of the good salting liquid of hygroscopicity is all higher, virtually increase operation cost, and make the operational factor of total system and precision wayward, on the other hand because the use amount of salting liquid is larger, overall unit not only can be caused to increase, increase manufacturing cost, also the more energy can be consumed, thus the COP (Energy Efficiency Ratio) of total system is reduced.The salting liquid dehydrating unit of this heat-insulating and the heat exchanger of regenerative device of solution mainly adopt the comparatively noble metal material manufacture such as copper, steel alloy simultaneously, and its manufacturing cost is also relatively high.
Utility model content
The purpose of this utility model is to provide a kind of thermostatic type solution dehumidification regeneration cycle system, and it has, and structure is simple, cost is low, control accurate advantage.
For the Energy Efficiency Ratio solving the existence of heat-insulating solution dehumidification system is low, efficiency is low, cost is high, the uppity technical problem of system operational parameters, the utility model comprises at least one group of solution dehumidification unit, at least one group of regeneration of waste liquor unit, and solution dehumidification unit is provided with the first solution spraying device, the first heat-exchanger rig, the first liquor box from top to bottom successively; Regeneration of waste liquor unit is provided with the second solution spraying device, the second heat-exchanger rig, the second liquor box from top to bottom successively;
Solution dehumidification regeneration cycle loop is provided with by pipeline between solution dehumidification unit and regeneration of waste liquor unit, first solution spraying device is communicated with the second liquor box, and the first liquor box is communicated with the second solution spraying device, solution dehumidification regeneration cycle loop is provided with heat exchanger and circulating pump;
First heat-exchanger rig and the second heat-exchanger rig adopt the heat exchange mode of inner-cooled or internal heat type, the inlet of the first heat-exchanger rig is communicated with or the formation first heat exchange circulation loop that is coupled with low-temperature receiver or thermal source by pipeline with liquid outlet, and the inlet of the second heat-exchanger rig is communicated with or the formation second heat exchange circulation loop that is coupled with thermal source or low-temperature receiver by pipeline with liquid outlet; Circulating pump is equipped with in first heat exchange circulation loop and the second heat exchange circulation loop.
Preferably, first heat-exchanger rig and the second heat-exchanger rig adopt laminated plastics calandria structure, one end of multilayer comb is all communicated with the feed pathway communicated with inlet, and the other end of multilayer comb is all communicated with the liquid outlet channel communicated with liquid outlet, is provided with gap between adjacent tubes.
Preferably, the left side of solution dehumidification unit is provided with new wind filter, and the right side of solution dehumidification unit is provided with breeze fan, is provided with filtration and electrostatic precipitator in new wind filter; The right side of regeneration of waste liquor unit is provided with return air filter and exhaust fan from right to left successively; The main exhaust fan of breeze fan all adopts frequency conversion fan.
Preferably, also comprise electric control unit and water compensating valve, electric control unit is used for controlling to adjust the electric distribution of parts each in unit and operational factor, and water compensating valve is located on the second liquor box or is located on the pipeline that is communicated with the second liquor box.
Alternatively, the thermal source in the low-temperature receiver in the first heat exchange circulation loop or thermal source and the second heat exchange circulation loop or low-temperature receiver provide by heat pump unit; Heat pump unit comprises compressor, condenser, expansion valve, evaporimeter and four-way changeover valve, and four-way changeover valve flows to for the refrigeration working medium changed in heat pump unit the exchange function making evaporimeter and condenser.
Alternatively, the low-temperature receiver in the first heat exchange circulation loop is provided by earth source heat pump or cooling tower, and the thermal source in the second heat exchange circulation loop is provided by external heat source; Earth source heat pump is soil heat pump, underground water heat pump or surface water heat pump, and external heat source is hot water or the used heat of solar energy or municipal heating systems.
Alternatively, the thermal source in the first heat exchange circulation loop is provided by earth source heat pump, and the low-temperature receiver in the second heat exchange circulation loop is provided by external source; Earth source heat pump is soil heat pump, underground water heat pump or surface water heat pump, and external source is chilled water.
For helping skilled in the art to understand the utility model, remove wet cooling condition below in conjunction with summer and add wet cooling condition winter respectively to the new wind in the utility model and return air processing procedure, and the running in solution dehumidification regeneration cycle loop and heat exchange circulation loop is described in further detail respectively.
New wind and return air processing procedure:
New wind filter of the present utility model, solution dehumidification unit and breeze fan are new wind---air-supply passage from left to right; Return air filter, exhaust fan and regeneration of waste liquor unit are return air---air exhaust passage from right to left.
Summer is except under wet cooling condition, outdoor new wind is from new wind---and air-supply passage left end enters, first filtration and electrostatic precipitation process is carried out through new wind filter, then new wind is allowed to carry out solution dehumidification by solution dehumidification unit, new wind directly contacts with the low temperature and high concentration salting liquid in solution dehumidification unit and carries out hot and humid area, partial pressure of water vapor in this stylish wind is higher than the surface vapor pressure of salting liquid, and salting liquid can absorb the moisture in new wind thus realize fresh air dehumidification object.New wind after dehumidifying is transported to indoor finally by breeze fan.Indoor return air enters return air from right-hand member---air exhaust passage, dust removal by filtration process is carried out through return air filter, return air after dust removal by filtration is transported to regeneration of waste liquor unit through exhaust fan, directly contact with salting liquid wherein and carry out hot and humid area, now in return air partial pressure of water vapor lower than the surface vapor pressure of salting liquid, operative liquid water in low concentration salt solution can become gaseous state and enter in return air, thus realizes the high concentration regeneration of salting liquid.Outside last return air discharge chamber.The breeze fan that the utility model adopts and exhaust fan are frequency conversion fan, can carry out variable frequency adjustment according to indoor and outdoor parameter, to save the operation stability of the medicine energy and enhancing unit.Exhaust air rate is advisable be not less than air output 70%, and ideally, when exhaust air rate equals 80% of air output, effect is best.
Under adding wet cooling condition winter, the salting liquid in new wind and solution dehumidification unit carries out the direction of hot and humid area, and the salting liquid in return air and regeneration of waste liquor unit carries out the direction of hot and humid area, all with summer except wet cooling condition is contrary.New wind is from new wind---and air-supply passage left end enters, filtration and electrostatic precipitation process is carried out through new wind filter, then new wind is by solution dehumidification unit, directly contact with high temperature low concentration salt solution wherein and carry out hot and humid area, now, during the surface vapor pressure of the partial pressure of water vapor in new wind lower than salting liquid, the operative liquid water in salting liquid can become gaseous state and enter in new wind, thus realize new wind add wet process.New wind after humidification is transported to indoor finally by breeze fan.Indoor return air enters return air from right-hand member---air exhaust passage, dust removal by filtration process is carried out through return air filter, then return air directly contacts by regeneration of waste liquor unit and with salting liquid wherein and carries out hot and humid area, partial pressure of water vapor now in return air is higher than the surface vapor pressure of salting liquid, salting liquid will absorb the moisture in return air, and salting liquid is by high concentration regeneration low concentration.Outside last return air discharge chamber.
The running in solution dehumidification regeneration cycle loop and heat exchange circulation loop:
Above-mentioned summer, except wet cooling condition and the processing procedure of new wind and return air under adding wet cooling condition winter, is provided by solution dehumidification regeneration cycle loop and heat exchange circulation loop and drives support.Solution dehumidification regeneration cycle has circulated salting liquid in loop, and heat exchange circulation has circulated heat-transfer working medium in loop.Have two kinds of heat exchange circulation loops in the utility model, a kind of is the first heat exchange circulation loop be communicated with liquid outlet with the inlet of the first heat-exchanger rig, and another kind is the second heat exchange circulation loop be communicated with liquid outlet with the inlet of the second heat-exchanger rig.
Summer is except under wet cooling condition, solution dehumidification regeneration cycle loop is in running, the salting liquid of low temperature and high concentration carries out in spray process in solution dehumidification unit, directly contact with by new wind wherein and carry out hot and humid area, partial pressure of water vapor in this stylish wind is higher than the surface vapor pressure of salting liquid, salting liquid can absorb moisture in new wind from the dehumidification treatments realized new wind, thered is provided to drive by the first heat-exchanger rig in dehumidification process and support, and the salting liquid of high concentration is owing to absorbing moisture in new wind thus concentration reduces, then to be transported to the second solution spraying device in regeneration of waste liquor unit from the first liquor box solution dehumidification unit by circulating pump, carry out in regeneration of waste liquor unit in spray process, directly contact with by return air wherein and carry out hot and humid area, during the surface vapor pressure of the partial pressure of water vapor now in return air lower than salting liquid, operative liquid water in low concentration salt solution will become gaseous state and enter in return air, make the salting liquid of salting liquid regeneration high-temperature high concentration, thered is provided to drive by the second heat-exchanger rig in salting liquid regenerative process and support, and then the salting liquid of low temperature and high concentration is become by the heat exchanger on this closed circuit, the the first solution spraying device finally by another circulating pump the salting liquid of low temperature and high concentration being transported to solution dehumidification unit sprays.Iterative cycles like this runs.
First heat exchange circulation loop is in running, low-temperature receiver circulation constantly provides cold energy support to the first heat-exchanger rig, take away salting liquid in time to carry out spraying in solution dehumidification unit and the latent heat of phase change (moisture in this stylish wind is because liquefy can release heat) carrying out producing in dehumidification process to new wind, salting liquid temperature in dehumidification process is avoided to raise fast, the temperature levels making salting liquid remain lower, keeps long-acting dehumidifying effect.Polytype low-temperature receivers such as the evaporimeter in earth source heat pump, cooling tower or heat pump can be adopted under summer condition as the low-temperature receiver in the first heat exchange circulation loop.Earth source heat pump can be Soil Thermal pump, underground water heat pump or surface water heat pump, soil heat pump is used for carrying out exchange heat with soil, underground water heat pump is used for carrying out exchange heat with underground water, and surface water heat pump is used for carrying out exchange heat with lake water, river, seawater or municipal wastewater.
Second heat exchange circulation loop is in running, heat-source Cycles constantly provides thermal energy support to the second heat-exchanger rig, the salting liquid sprayed in regeneration of waste liquor list is heated, and the latent heat of phase change produced in make-up solution regenerative process (moisture now in salting liquid can absorb heat because become gaseous state), the temperature in salting liquid regenerative process is avoided to reduce fast, make the temperature levels that salting liquid remains higher, improve regeneration efficiency and the effect of salting liquid.The utility model can adopt polytype thermals source such as condenser in the hot water of solar energy, municipal heating systems or used heat and heat pump as the thermal source in the second heat exchange circulation loop under summer condition.
Under adding wet cooling condition winter, the hot and humid area direction of new wind and return air and salting liquid, and the heat exchange direction of heat exchange circulation loop in running all with summer except wet cooling condition contrary.
Solution dehumidification regeneration cycle loop is in running, the salting liquid of high temperature low concentration carries out in spray process in solution dehumidification unit, directly contact with by new wind wherein and carry out hot and humid area, partial pressure of water vapor in this stylish wind is lower than the surface vapor pressure of salting liquid, operative liquid water in high temperature low concentration salt solution can become gaseous state and enter in new wind, thus realize adding wet process to new wind, thered is provided to drive by the first heat-exchanger rig in humidification and support, and salting liquid to enter in new wind thus concentration raises because operative liquid water wherein becomes gaseous state.Then from the first liquor box of solution dehumidification unit, salting liquid is transported to the second solution spraying device of regeneration of waste liquor unit by circulating pump, carry out directly contacting and carrying out hot and humid area in spray process with by return air wherein in regeneration of waste liquor unit, during the surface vapor pressure of the partial pressure of water vapor now in return air higher than salting liquid, salting liquid can absorb the moisture in return air thus realize low concentration regeneration, thered is provided to drive by the second heat-exchanger rig in salting liquid regenerative process and support, then by the heat exchanger on this closed circuit, the salting liquid of low-temperature and low-concentration is become the salting liquid of high temperature low concentration, by another circulating pump, the salting liquid of high temperature low concentration is delivered to the first solution spraying device of solution dehumidification unit again.Iterative cycles like this runs.It should be noted that, under adding wet cooling condition in the winter time, often only often can not meet the regeneration requirements of low concentration salt solution by the moisture in salt-solution absorption return air, need supplement by water compensating valve the low concentration requirement that a certain amount of water can meet salting liquid.
First heat exchange circulation loop is in running, heat-source Cycles constantly provides thermal energy support to the first heat-exchanger rig, salting liquid can be supplemented in time carry out spraying in solution dehumidification unit and the latent heat of phase change (moisture now in salting liquid can absorb heat because become gaseous state) carrying out producing in humidification to new wind, salting liquid temperature in humidification is avoided to reduce fast, the temperature levels making salting liquid remain higher, keeps long-acting humidification capability.Earth source heat pump can be adopted in the winter time under operating mode as the thermal source in the first heat exchange circulation loop, and earth source heat pump can be Soil Thermal pump, underground water heat pump.The deep subsoil in winter, deep phreatic water can be used as free natural thermal source.
Second heat exchange circulation loop is in running, low-temperature receiver circulation constantly provides cold energy support to the second heat-exchanger rig, take away the latent heat of phase change (moisture now in return air can release heat because of liquefy) produced in solution reclaiming process in time, the temperature in salting liquid regenerative process is avoided to raise fast, make the temperature levels that salting liquid remains lower, improve salting liquid regeneration efficiency and effect.The utility model can adopt the evaporimeter in external refrigerating system water or heat pump as the low-temperature receiver in the second heat exchange circulation loop under operating mode in the winter time.
It should be noted that, the utility model is also provided with electric control unit, by electric control unit, distribution and operational factor control are carried out to each equipment, electric control unit comprises device and the casings such as detecting sensor, actuator, DDC or PLC single-chip microcomputer, the automatic management of unit can be realized by electric control unit, improve stability and the control accuracy of unit operation.
Compare with the salting liquid dehumidification system of heat-insulating with traditional air conditioner dehumidification system, a kind of thermostatic type solution dehumidification of the utility model regeneration cycle system has the following advantages:
1) the utility model adopts salting liquid dehumidification mode, can not only economize energy, improves the overall Energy Efficiency Ratio of unit, and effectively can avoid bacterium, growing of going mouldy, and is conducive to improving air-supply quality and indoor air quality.2) the first heat-exchanger rig of the present utility model and the second heat-exchanger rig adopt the interior cold or interior hot heat exchange mode of laminated plastics calandria structure, the advantage of cold or interior hot heat exchange mode in playing can be maximized, improve efficiency and the effect of solution dehumidification or regeneration, effectively avoid the adverse effect that latent heat of phase change produces, make the temperature levels that salting liquid remains stable, keep long-acting dehumidifying or humidification capability, strengthen the stability of unit; Effectively can reduce the amount of recycling of salting liquid simultaneously, cut operating costs, reduce unit volume, reduce unit manufacturing cost.3) preferred version of the present utility model adopts earth source heat pump to provide low-temperature receiver or thermal source for solution dehumidification unit, and the electric energy that only earth source heat pump consumption is a small amount of can obtain sufficient and stable Cooling and Heat Source, and energy consumption is low, and Energy Efficiency Ratio is high; Adopt external heat source to support for regeneration of waste liquor unit provides to drive simultaneously, hot water or the used heat of solar energy, municipal heating systems can be utilized, the cascade utilization of the energy can be realized.
Below in conjunction with detailed description of the invention shown in accompanying drawing, a kind of thermostatic type solution dehumidification of the utility model regeneration cycle system is described in further detail:
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of a kind of thermostatic type solution dehumidification of the utility model regeneration cycle system;
Fig. 2 is the structural representation of a kind of thermostatic type solution dehumidification of the utility model regeneration cycle system the second embodiment;
Fig. 3 is the structural representation of the third embodiment of a kind of thermostatic type solution dehumidification of the utility model regeneration cycle system.
Detailed description of the invention
In the schematic diagram of the first embodiment of a kind of thermostatic type solution dehumidification of the utility model as shown in Figure 1 regeneration cycle system, be provided with one group of solution dehumidification unit, 1, one group of regeneration of waste liquor unit 2, solution dehumidification unit 1 is provided with the first solution spraying device 101, first heat-exchanger rig 102, first liquor box 103 from top to bottom successively; Regeneration of waste liquor unit 2 is provided with the second solution spraying device 201, second heat-exchanger rig 202, second liquor box 203 from top to bottom successively.
Solution dehumidification regeneration cycle loop is provided with by pipeline between solution dehumidification unit 1 and regeneration of waste liquor unit 2, first solution spraying device 101 is communicated with the second liquor box 203, and the first liquor box 103 is communicated with the second solution spraying device 201, solution dehumidification regeneration cycle loop is provided with heat exchanger 4, exchange heat is carried out for the salting liquid in closed circuit, on connection first solution spraying device 101 pipeline, circulating pump 5 is set respectively with on the pipeline being connected the first solution spraying device 201 simultaneously, for salting liquid provides circulation to drive in the solution dehumidification regeneration cycle loop of mixing.
First heat-exchanger rig 102 and the second heat-exchanger rig 202 adopt the heat exchange mode of inner-cooled or internal heat type, first heat-exchanger rig 102 and the second heat-exchanger rig 202 adopt laminated plastics calandria structure, one end of multilayer comb is all communicated with the feed pathway communicated with inlet, the other end of multilayer comb is all communicated with the liquid outlet channel communicated with liquid outlet, and gap is provided with between adjacent tubes, be convenient to salting liquid and pass through from gap.
Present embodiment is provided with heat pump unit 9, and heat pump unit 9 comprises compressor, condenser, expansion valve, evaporimeter and four-way changeover valve.The inlet of the first heat-exchanger rig 102 and liquid outlet to be coupled with the evaporimeter of heat pump unit 9 formation first heat exchange circulation loop by pipeline, and the inlet of the second heat-exchanger rig 202 and liquid outlet to be coupled with the condenser of heat pump unit 9 formation second heat exchange circulation loop by pipeline.It should be noted that, under summer condition, the refrigeration working medium in heat pump unit 9 absorbs heat at evaporimeter place, for the first heat exchange circulation loop provides low-temperature receiver, in condensation body release heat, for the second heat exchange circulation loop provides thermal source; Under winter condition, heat pump unit 9 changes the flow direction of refrigeration working medium by four-way changeover valve, make the exchange function of evaporimeter and condenser, evaporimeter plays condenser effect and provides thermal source for the first heat exchange circulation loop, and condenser plays evaporimeter effect and provides low-temperature receiver for the second heat exchange circulation loop.Present embodiment uses heat pump unit 9 to provide low-temperature receiver or thermal source for the first heat exchange circulation loop and the second heat exchange circulation loop simultaneously, does not affect by external factor, effectively can improve the accurate and operation stability of the control of unit.
For improving air-supply quality, the utility model also by arranging new wind filter 5 on the left of solution dehumidification unit 1, and arranges filtration and electrostatic precipitator in new wind filter 5, can dust effectively in the new wind of filtering or impurity, improve new wind quality, avoid the contamination by dust salting liquid in new wind; By arranging breeze fan 6 on the right side of solution dehumidification unit 1, new wind wind speed and flow effectively can be controlled; Same, set gradually return air filter 7 and exhaust fan 8 from right to left by the right side at regeneration of waste liquor unit 2, the dust in energy filtering return air or impurity, avoid the contamination by dust salting liquid in return air, and utilize exhaust fan 8 to control return air wind speed and flow.Breeze fan 6 in the utility model and exhaust fan 8 all adopt frequency conversion fan, can carry out variable frequency adjustment according to indoor and outdoor parameter, with economize energy, improve the stability of unit.
The utility model is also provided with electric control unit (not shown) and water compensating valve (not shown), electric control unit is used for controlling the electric distribution of each parts and operational factor and regulating, electric control unit comprises the devices such as detecting sensor, actuator, DDC or PLC single-chip microcomputer, the automatic management of unit can be realized by electric control unit, improve stability and the precision of unit operation.Water compensating valve is located on the second liquor box or is located on the pipeline that is communicated with the second liquor box, and water compensating valve carries out moisturizing for low concentration salt solution regenerates under being used for winter condition.
A kind of thermostatic type solution dehumidification of the utility model as shown in Figure 2 regeneration cycle system the second embodiment, with the first embodiment unlike, the second embodiment is provided with two groups of solution dehumidification unit 1, two groups of regeneration of waste liquor unit 2, by solution dehumidification regeneration cycle loop that install pipeline mixes between two groups of solution dehumidification unit 1 and two groups of regeneration of waste liquor unit 2, the connecting structure in the solution dehumidification regeneration cycle loop of the mixing described in the utility model is, make the pipeline connecting two the first solution spraying devices 101 respectively by a common conduit and the pipeline communication being connected two the second liquor boxs 203 respectively, make the pipeline connecting two the first liquor boxs 103 respectively by another common conduit and the pipeline communication being connected two the second solution spraying devices 201 respectively, and heat exchanger 3 is set two common conduit positions, on connection first solution spraying device 101 pipeline, circulating pump 4 is set respectively with on the pipeline being connected the first solution spraying device 201 simultaneously, salting liquid is formed in the solution dehumidification regeneration cycle loop of mixing effectively circulate, first salting liquid is undertaken spraying by the first solution spraying device 101 in two groups of solution dehumidification unit 1 and is directly contacted with new wind and carry out hot and humid area, then the first respective liquor box 103 is entered, and flow into common conduit by the pipeline being communicated with respective liquor box 103, enter two two solution spraying devices 201 from the other end of common conduit by the pipeline being communicated with the second solution spraying device 201 respectively and directly contact with return air spray process and carry out hot and humid area, in similarly mode after salting liquid regeneration, by being communicated with the second liquor box 203 respectively, another common conduit be communicated with the first solution spraying device 101 pipeline respectively and enter the first solution spraying device 101 again, iterative cycles like this runs.
Present embodiment eliminates heat pump unit 9 and is provided with earth source heat pump 10, and make the inlet of the first heat-exchanger rig 102 be communicated with formation first heat exchange circulation loop by pipeline with earth source heat pump 10 with liquid outlet, make the inlet of the second heat-exchanger rig 202 be communicated with formation second heat exchange circulation loop by pipeline with external heat source or low-temperature receiver with liquid outlet simultaneously.It should be noted that, earth source heat pump 10 can be the one in Soil Thermal pump, underground water heat pump or surface water heat pump.Under summer condition, deep soil, deep phreatic water and lake, river, marine deep water are lower than ground air temperature, can be used as the low-temperature receiver in the first heat exchange circulation loop; External heat source can use the hot water of solar energy, municipal heating systems or the used heat of used heat and BCHP system, can economize energy to greatest extent, improves the Energy Efficiency Ratio of dehumidifying unit; In the winter time under operating mode, deep soil, deep phreatic water and lake, river, marine deep water are higher than ground air temperature, can be used as the thermal source in the first heat exchange circulation loop, and utilize external refrigerating system water to support for the second heat exchange circulation loop provides low-temperature receiver to drive.This embodiment makes unit energy ensure air supply parameter under different outdoor weather condition, strengthens operation stability.
The third embodiment of a kind of thermostatic type solution dehumidification of the utility model as shown in Figure 3 regeneration cycle system, with the second embodiment unlike, the third embodiment makes two groups of solution dehumidification unit 1 and arranges with becoming to match between two groups of regeneration of waste liquor lists 2, respectively by install pipeline one independently solution dehumidification regeneration cycle loop between often pair of solution dehumidification unit 1 and regeneration of waste liquor list 2, and heat exchanger 3 circulating pump 4 is set respectively in every bar independently solution dehumidification regeneration cycle loop, salting liquid is formed in respective independently solution dehumidification regeneration cycle loop effectively circulate.This vibrational power flow makes the salting liquid between often pair of solution dehumidification unit 1 and regeneration of waste liquor list 2 circulate to be independent of each other, and what improve unit should just ability, and after a pair solution dehumidification unit 1 loses effect with regeneration of waste liquor list 2, another is to can as usual run.Meanwhile, the third embodiment also uses cooling tower 11 and substitutes earth source heat pump 10, and support for the first heat-exchanger rig 102 provides low-temperature receiver to drive, structure is more simple, and it is also more convenient, easy to implement.
Above embodiment is only the description carried out preferred embodiment of the present utility model; restriction not to the utility model request protection domain; under the prerequisite not departing from the utility model design spirit; the various forms of distortion that this area engineers and technicians make according to the technical solution of the utility model, all should fall in protection domain that claims of the present utility model determine.
Claims (7)
1. a thermostatic type solution dehumidification regeneration cycle system, comprise at least one group of solution dehumidification unit (1), at least one group of regeneration of waste liquor unit (2), it is characterized in that: described solution dehumidification unit (1) is provided with the first solution spraying device (101), the first heat-exchanger rig (102), the first liquor box (103) from top to bottom successively; Regeneration of waste liquor unit (2) is provided with the second solution spraying device (201), the second heat-exchanger rig (202), the second liquor box (203) from top to bottom successively;
Solution dehumidification regeneration cycle loop is provided with by pipeline between solution dehumidification unit (1) and regeneration of waste liquor unit (2), first solution spraying device (101) is communicated with the second liquor box (203), and the first liquor box (103) is communicated with the second solution spraying device (201), solution dehumidification regeneration cycle loop is provided with heat exchanger (3) and circulating pump (4);
First heat-exchanger rig (102) and the second heat-exchanger rig (202) adopt the heat exchange mode of inner-cooled or internal heat type, the inlet of the first heat-exchanger rig (102) is communicated with or the formation first heat exchange circulation loop that is coupled with low-temperature receiver or thermal source by pipeline with liquid outlet, and the inlet of the second heat-exchanger rig (202) is communicated with or the formation second heat exchange circulation loop that is coupled with thermal source or low-temperature receiver by pipeline with liquid outlet; Circulating pump (4) is equipped with in first heat exchange circulation loop and the second heat exchange circulation loop.
2. according to a kind of thermostatic type solution dehumidification regeneration cycle system according to claim 1, it is characterized in that: described first heat-exchanger rig (102) and the second heat-exchanger rig (202) adopt laminated plastics calandria structure, one end of multilayer comb is all communicated with the feed pathway communicated with inlet, the other end of multilayer comb is all communicated with the liquid outlet channel communicated with liquid outlet, is provided with gap between adjacent tubes.
3. according to a kind of thermostatic type solution dehumidification regeneration cycle system according to claim 2, it is characterized in that: the left side of solution dehumidification unit (1) is provided with new wind filter (5), the right side of solution dehumidification unit (1) is provided with breeze fan (6), is provided with filtration and electrostatic precipitator in new wind filter (5); The right side of regeneration of waste liquor unit (2) is provided with return air filter (7) and exhaust fan (8) from right to left successively; Breeze fan (6) and exhaust fan (8) all adopt frequency conversion fan.
4. according to a kind of thermostatic type solution dehumidification regeneration cycle system according to claim 3, it is characterized in that: also comprise electric control unit and water compensating valve, electric control unit is used for controlling to adjust the electric distribution of parts each in unit and operational factor, and it is upper or be located on the pipeline that is communicated with the second liquor box (203) that water compensating valve is located at the second liquor box (203).
5. according to a kind of thermostatic type solution dehumidification regeneration cycle system according to claim 4, it is characterized in that: the thermal source in the low-temperature receiver in the first heat exchange circulation loop or thermal source and the second heat exchange circulation loop or low-temperature receiver provide by heat pump unit (9); Heat pump unit (9) comprises compressor, condenser, expansion valve, evaporimeter and four-way changeover valve, and four-way changeover valve flows to for the refrigeration working medium changed in heat pump unit (9) exchange function making evaporimeter and condenser.
6. according to a kind of thermostatic type solution dehumidification regeneration cycle system according to claim 4, it is characterized in that: the low-temperature receiver in the first heat exchange circulation loop is provided by earth source heat pump (10) or cooling tower (11), and the thermal source in the second heat exchange circulation loop is provided by external heat source; Earth source heat pump (10) is soil heat pump, underground water heat pump or surface water heat pump, and external heat source is hot water or the used heat of solar energy or municipal heating systems.
7. according to a kind of thermostatic type solution dehumidification regeneration cycle system according to claim 4, it is characterized in that: the thermal source in the first heat exchange circulation loop is provided by earth source heat pump (10), the low-temperature receiver in the second heat exchange circulation loop is provided by external source; Earth source heat pump (10) is soil heat pump, underground water heat pump or surface water heat pump, and external source is chilled water.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704986A (en) * | 2016-03-25 | 2016-06-22 | 广东申菱环境系统股份有限公司 | Water-supply water-return dual-loop cooling circulation system |
| CN106839202A (en) * | 2017-01-11 | 2017-06-13 | 广东美的制冷设备有限公司 | A kind of air-conditioner and its dehumanization method |
| CN114893832A (en) * | 2022-05-23 | 2022-08-12 | 中国人民解放军海军工程大学 | Solution dehumidification system driven by carbon dioxide transcritical refrigeration cycle coupling |
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2014
- 2014-12-22 CN CN201420822191.5U patent/CN204513626U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704986A (en) * | 2016-03-25 | 2016-06-22 | 广东申菱环境系统股份有限公司 | Water-supply water-return dual-loop cooling circulation system |
| CN106839202A (en) * | 2017-01-11 | 2017-06-13 | 广东美的制冷设备有限公司 | A kind of air-conditioner and its dehumanization method |
| CN114893832A (en) * | 2022-05-23 | 2022-08-12 | 中国人民解放军海军工程大学 | Solution dehumidification system driven by carbon dioxide transcritical refrigeration cycle coupling |
| CN114893832B (en) * | 2022-05-23 | 2024-02-02 | 中国人民解放军海军工程大学 | Solution dehumidification system driven by carbon dioxide transcritical refrigeration cycle coupling |
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