CN204513640U - The two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type - Google Patents
The two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type Download PDFInfo
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- CN204513640U CN204513640U CN201420823682.1U CN201420823682U CN204513640U CN 204513640 U CN204513640 U CN 204513640U CN 201420823682 U CN201420823682 U CN 201420823682U CN 204513640 U CN204513640 U CN 204513640U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The utility model relates to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type, comprise at least one group of solution dehumidification unit, at least one group of regeneration of waste liquor unit, at least one group of solution heat recovery units, at least one surface cooler, solution heat recovery units comprises top heat regenerator and bottom heat regenerator, solution dehumidification regeneration cycle loop is provided with between solution dehumidification unit and regeneration of waste liquor unit, in solution dehumidification unit, the inlet of the first heat-exchanger rig is communicated with earth source heat pump by pipeline with liquid outlet, heat exchange circulation loop is provided with between regeneration of waste liquor unit and surface cooler, solution heat recovery cycle loop is provided with between top heat regenerator and bottom heat regenerator.Bottom heat regenerator, surface cooler, solution dehumidification unit array from left to right and form new wind---air-supply passage; Bottom heat regenerator, regeneration of waste liquor unit are arranged in order formation return air from right to left---air exhaust passage.The utility model has system stability, operation cost is low, efficiency is high, Energy Efficiency Ratio is high, control accurate feature.
Description
Technical field
The utility model relates to the dehumidification equipment of field of air conditioning, especially relates to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type.
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 cooling water of low temperature, by cooling water circulate in the coil pipe of surface cooler with air carry out exchange heat, 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 to carry out simultaneously, because the cooling water temperature of dehumidification requirements is far below the cooling 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 caloic exchange, when surface vapor pressure higher than salting liquid of the partial pressure of water vapor of air, salting liquid will absorb the moisture in air; And when surface vapor pressure lower than salting liquid of the partial pressure of water vapor of air, the operative liquid water in salting liquid will become gaseous state and enter in air, thus realizes 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.The independence adopting the air-conditioning system of solution dehumidification mode to achieve temperature and humidity controls, and due to the advantage in economize energy and raising indoor air quality etc., gets the attention and applies.
Solution dehumidification device and regenerative device of solution are the core components of solution dehumidifying air-conditioning system, and its caloic exchange 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 order to reclaim salting liquid, in this kind of process, air and salting liquid directly contact and carry out heat and mass, realize salting liquid to the dehumidifying of air or add wet process, salting liquid realizes regeneration by closed circuit simultaneously, and iterative cycles runs in this way.But adopt that the air-conditioning system ubiquity COP (Energy Efficiency Ratio) of this heat-insulating solution dehumidification device and regenerative device of solution is low, energy consumption is high, 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 all can 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 or eliminate, 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 or eliminate, the main way that this field addresses this problem at present is the use amount 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, also overall unit can be caused to strengthen, increase manufacturing cost.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.In addition, the air-conditioning system of employing solution dehumidification mode at present, mainly leans on heat pump to dehumidify for salting liquid and regeneration link provides energy support, and its energy consumption is relatively high, makes the COP of total system lower.
Utility model content
The purpose of this utility model is to provide the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type, and it has system stability, operation cost is low, efficiency is high, Energy Efficiency Ratio is high, control accurate feature.
For the Energy Efficiency Ratio solving heat-insulating solution dehumidification system existence in prior art is low, manufacture and operation cost is high, the uppity problem of system operational parameters, the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model comprises at least one group of solution dehumidification unit, at least one group of regeneration of waste liquor unit, at least one group of solution heat recovery units, at least one surface cooler, 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 heat recovery units comprises top heat regenerator and bottom heat regenerator, and top heat regenerator is identical with the structure of bottom heat regenerator and be respectively equipped with the 3rd solution spraying device, the 3rd heat-exchanger rig, the 3rd 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, first liquor box is communicated with the second solution spraying device, and solution dehumidification regeneration cycle loop is provided with heat exchanger and solution circulation pump; In solution dehumidification unit, the first heat-exchanger rig adopts the heat exchange mode of inner-cooled or internal heat type, and the inlet of the first heat-exchanger rig is communicated with earth source heat pump by pipeline with liquid outlet;
In regeneration of waste liquor unit, the second heat-exchanger rig adopts the heat exchange mode of inner-cooled or internal heat type, and the inlet of the second heat-exchanger rig and liquid outlet form heat transfer self circular loop by pipeline communication, and heat transfer self circular loop is provided with solution circulation pump; The inlet of surface cooler and liquid outlet are formed by pipeline communication and pass cold self circular loop, pass cold self circular loop and are provided with solution circulation pump; Heat transfer self circular loop and pass the refrigeration working medium closed circuit being provided with between cold self circular loop and being formed by pipeline communication by compressor, condenser, expansion valve, evaporimeter, heat transfer self circular loop and refrigeration working medium closed circuit to be coupled at condenser place and to carry out exchange heat, pass cold self circular loop and refrigeration working medium closed circuit and are coupled at evaporimeter place and carry out exchange heat;
The 3rd solution spraying device in the heat regenerator of top and the 3rd liquor box are communicated with the 3rd solution spraying device with the 3rd liquor box in the heat regenerator of bottom respectively by pipeline and form solution heat recovery cycle loop, and solution heat recovery cycle loop is provided with solution circulation pump;
Bottom heat regenerator, surface cooler, solution dehumidification unit array from left to right and form new wind-air-supply passage; Top heat returns device, regeneration of waste liquor unit is arranged in order formation return air-air exhaust passage from right to left.
Preferably, new wind-air-supply passage left end is provided with new wind filter, and be provided with filtration and electrostatic precipitator in new wind filter, new wind-air-supply passage right-hand member is provided with breeze fan, and breeze fan adopts frequency conversion fan; Return air-air exhaust passage right-hand member is provided with return air filter and exhaust fan from right to left successively, and exhaust fan adopts frequency conversion fan.
Preferably, also comprise electrically and control unit, electrically and control unit for controlling to adjust the electric distribution of each parts and operational factor.
Preferably, the pipeline be communicated with on the second liquor box or with the second liquor box is provided with water compensating valve; Refrigeration working medium closed circuit is provided with four-way changeover valve, and four-way changeover valve is for changing the flow direction of refrigeration working medium in refrigeration working medium closed circuit.
Preferably, first heat-exchanger rig and the second heat-exchanger rig are multilayer calandria structure, multilayer comb adopts plastic production, and 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.
Alternatively, earth source heat pump is soil heat pump, underground water heat pump or surface water heat pump, soil heat pump is used for solution dehumidification unit and soil carries out exchange heat, underground water heat pump is used for solution dehumidification unit and underground water carries out exchange heat, and surface water heat pump is used for solution dehumidification unit and lake water, river, seawater or municipal wastewater carry out exchange heat.
Alternatively, solution dehumidification unit and the pairing of regeneration of waste liquor unit are arranged, and all arrange independently solution dehumidification regeneration cycle loop between often pair of solution dehumidification unit and regeneration of waste liquor unit.
Alternatively, one section of solution dehumidification regeneration cycle loop common conduit is provided with between described solution dehumidification unit and regeneration of waste liquor unit, common conduit comprises the reverse pipeline of two liquid flow path directions, and all solution dehumidification unit and all regeneration of waste liquor unit form the solution dehumidification regeneration cycle loop of mixing by common conduit.
Alternatively, regeneration of waste liquor unit and surface cooler pairing are arranged, and often pair of regeneration of waste liquor unit and heat transfer self circular loop corresponding to surface cooler and pass between cold self circular loop and be provided with separately independently refrigeration working medium closed circuit, each independently refrigeration working medium closed circuit connects and composes by a compressor, expansion valve, a condenser and an evaporimeter.
Alternatively, be provided with a shared refrigeration working medium closed circuit between the heat transfer self circular loop that all regeneration of waste liquor unit are corresponding and the cold self circular loop of biography corresponding to all surface coolers, shared refrigeration working medium closed circuit is connected and composed by a compressor, expansion valve, the condenser corresponding with each heat transfer self circular loop and an evaporimeter corresponding with the cold self circular loop of each biography; Or the refrigeration working medium closed circuit shared is connected and composed by a compressor, expansion valve, a condenser and an evaporimeter, the corresponding pipeline of all heat transfer self circular loops is interconnected and shares a condenser, and the corresponding pipeline of the cold self circular loop of all biographies is interconnected and shares an evaporimeter.
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.
New wind and return air processing procedure:
Summer, outdoor new wind was from new wind except under wet cooling condition---and air-supply passage left end enters, and first carries out filtration and electrostatic precipitation process through new wind filter; Then new wind directly contacts by bottom heat regenerator and with salting liquid wherein and carries out hot and humid area, and make the heat of the new wind of salt-solution absorption wherein to cool new wind, this process can reduce energy consumption >=50% of Fresh air handing; Then new wind carries out pre-cold-peace freeze drying further through surface cooler again; Directly contact by solution dehumidification unit and with low temperature and high concentration salting liquid wherein subsequently and carry out hot and humid area, the moisture in hot and humid area process in new wind can become liquid state and enter salting liquid, thus realizes the degree of depth dehumidifying of new wind; New wind after above step process is the new wind that water capacity reaches 7.6 ~ 8.0g/kg; Last new wind is transported to indoor through breeze fan.Indoor return air enters return air from right-hand member---and air exhaust passage, first carries out dust removal by filtration process through return air filter; Return air after dust removal by filtration is transported to top heat regenerator through exhaust fan, directly contacts carry out hot and humid area with salting liquid wherein, makes return air take away the heat of salting liquid; Then return air directly contacts by regeneration of waste liquor unit and with salting liquid wherein and carries out hot and humid area, makes the operative liquid water in low concentration salt solution become gaseous state and enters in return air, thus realizes the high concentration regeneration of salting liquid, outside last return air discharge chamber.The utility model breeze fan and exhaust fan all adopt 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%, ideally, to equal 80% effect of air output best for exhaust air rate.
Under adding wet cooling condition winter, the hot and humid area direction of new wind and bottom heat regenerator, surface cooler, solution dehumidification unit, and return air and top heat regenerator, regeneration of waste liquor unit hot and humid area direction, all with summer except wet cooling condition is contrary.New wind is from new wind---and air-supply passage left end enters, and first carries out filtration and electrostatic precipitation process through new wind filter; Then new wind directly contacts by bottom heat regenerator and with salting liquid wherein and carries out hot and humid area, and new wind absorbs the heat of salting liquid to heat new wind; New wind through heating heats further through surface cooler again; Then new wind directly contacts by solution dehumidification unit and with high temperature low concentration salt solution wherein and carries out hot and humid area, operative liquid water in salting liquid becomes gaseous state and enters in new wind and add wet process with what realize new wind, and the new wind after above step process is the new wind that water capacity reaches 8.0 ~ 9.0g/kg; Last new wind is transported to indoor through breeze fan.Indoor return air enters return air from right-hand member---and air exhaust passage, first carries out dust removal by filtration process through return air filter; Return air after dust removal by filtration is transported to top heat regenerator through exhaust fan and directly contacts with salting liquid wherein and carries out hot and humid area, the heat in salt-solution absorption return air; Then return air directly contacts by regeneration of waste liquor unit and with salting liquid wherein and carries out hot and humid area, and the moisture in return air becomes liquid state and enters in salting liquid, salting liquid 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 is except wet cooling condition and the new wind under adding wet cooling condition winter and return air processing procedure, thered is provided to drive by salting liquid closed circuit and heat exchange circulation loop and support, there is salting liquid in salting liquid closed circuit, in heat exchange circulation loop, have heat-transfer working medium or refrigeration working medium.The utility model comprises two salting liquid closed circuits and two heat exchange circulation loops, and in two salting liquid closed circuits, one is the solution dehumidification regeneration cycle loop between solution dehumidification unit and regeneration of waste liquor unit; Another is the solution heat recovery cycle loop between top heat regenerator and bottom heat regenerator; In two heat exchange circulation loops, one is earth source heat pump closed circuit, for providing low-temperature receiver or thermal source to the first heat-exchanger rig in solution dehumidification unit; Another is heat pump cycle loop, provides thermal source or low-temperature receiver by condenser and evaporimeter respectively to the second heat-exchanger rig in regeneration of waste liquor unit and surface cooler.
In summer 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 and carry out dehumidification treatments from realization to new wind, 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 can become gaseous state and enter in return air, heated by the second heat-exchanger rig simultaneously, make the salting liquid of salting liquid regeneration high-temperature high concentration, then the salting liquid of high-temperature high concentration is made to become the salting liquid of low temperature and high concentration 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.
In the running of solution heat recovery cycle loop, salting liquid is sprayed by the 3rd spray equipment of bottom heat regenerator, directly contact and carry out hot and humid area in spray process with by new wind wherein, the thermal temperature of the new wind of salt-solution absorption raises, then salting liquid temperature raised by solution circulation pump is transported to the 3rd spray equipment of top heat regenerator from the 3rd liquor box of bottom heat regenerator, directly contact and carry out hot and humid area in spray process with by return air wherein, return air takes away the heat in salting liquid, salting liquid temperature reduces, the 3rd spray equipment of bottom heat regenerator is flow to again from the 3rd liquor box of top heat regenerator, iterative cycles like this runs.
In earth source heat pump closed circuit running, underground water or river, lake, marine deep water are natural cold source, circulated by earth source heat pump and constantly pass into low-temperature receiver to the first heat-exchanger rig in solution dehumidification unit, take away the latent heat of phase change (moisture now in air because of liquefy heat can be released) produced in salting liquid dehumidification process in time, and by heat delivery to underground, the temperature in salting liquid dehumidification process can be effectively avoided to raise, the temperature levels making salting liquid remain lower, keeps long-acting dehumidifying effect.
In the running of heat pump cycle loop, heat exchange is carried out on the one hand at condenser place and heat transfer self circular loop, thermal source is provided continuously to the second heat-exchanger rig, the latent heat of phase change (moisture now in salting liquid can absorb heat because becoming gaseous state) produced in make-up solution regenerative process, the temperature in salting liquid regenerative process can be avoided to reduce, make the temperature levels that salting liquid remains higher, improve regeneration efficiency and the effect of salting liquid; Carry out heat exchange at evaporimeter place and the cold self circular loop of biography on the other hand, provide low-temperature receiver to surface cooler continuously, the low temperature level making surface cooler remain certain, keep stable pre-cooling of fresh air and freeze drying ability.
Under adding wet cooling condition in the winter time, the heat exchange direction in salting liquid closed circuit and heat exchange circulation loop and 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, 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 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 higher than salting liquid, salting liquid can absorb the moisture in return air thus realize low concentration regeneration.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 subsequently, and the salting liquid of high temperature low concentration is transported to the first solution spraying device of solution dehumidification unit by another circulating pump.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.
In the running of solution heat recovery cycle loop, salting liquid is undertaken spraying by the 3rd spray equipment of bottom heat regenerator and carries out hot and humid area with directly being contacted by new wind wherein, new wind absorbs the heat in salting liquid, salting liquid temperature is reduced, then from the 3rd liquor box of bottom heat regenerator, salting liquid is transported to the 3rd spray equipment of top heat regenerator by the solution circulation pump in this closed circuit, carry out spraying in the heat regenerator of top and directly contact with the return air passed through wherein and carry out hot and humid area, heat in salt-solution absorption return air and temperature raise, and then the 3rd spray equipment of bottom heat regenerator is flow to from the 3rd liquor box of top heat regenerator, iterative cycles like this runs.
In earth source heat pump closed circuit running, underground water or river, lake, marine deep water are natural thermal source, circulated by earth source heat pump and constantly pass into thermal source to the first heat-exchanger rig in solution dehumidification unit, the salting liquid of spray is carried out to the latent heat of phase change (aqueous water now in salting liquid becomes gaseous state can absorb heat) produced in heat make-up solution humidification, the temperature levels making salting liquid remain higher, keeps long-acting humidification capability.
In the running of heat pump cycle loop, heat pump cycle loop changes the flow direction of refrigeration working medium by four-way changeover valve, now condenser plays evaporimeter effect, evaporimeter then plays condenser effect, by the circular flow in heat pump cycle loop, heat exchange is carried out on the one hand at the heat transfer self circular loop of condenser place and the second heat-exchanger rig, low-temperature receiver is provided continuously to the second heat-exchanger rig, reduce the latent heat of phase change (moisture now in return air can release heat because of becoming liquid state) produced in solution reclaiming process, the temperature in salting liquid regenerative process can be effectively avoided to raise, make the temperature levels that salting liquid remains lower, improve salting liquid regeneration efficiency and effect, carry out heat exchange at evaporimeter place and the cold self circular loop of biography on the other hand, provide thermal source to surface cooler continuously, the high temperature level making surface cooler remain certain, keep stable new wind heating efficiency.
The utility model carries out distribution and operational factor control by electric and control unit to each equipment, electric and 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 and control unit, improve stability and the precision of unit operation.
Compare with the salting liquid dehumidification system of heat-insulating with traditional air conditioner dehumidification system, the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model has the following advantages:
1) the utility model adopts salting liquid dehumidification mode, does not need the cooling water that serviceability temperature is very low, effectively can avoid bacterium, growing of going mouldy, be conducive to improving indoor air quality.
2) the utility model adopts two-stage low-temperature receiver, and the first order is by surface cooler to new elegance freeze drying, and the second level carries out salting liquid dehumidifying by solution dehumidification list to new wind, can ensure the stability of air supply parameter under different outdoor weather condition.
3) the 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; While regeneration of waste liquor unit provides thermal source or low-temperature receiver, the low-temperature receiver of correspondence or thermal source are supplied to surface cooler by heat pump cycle loop simultaneously, allow surface cooler carry out preliminary treatment to new wind, avoid energy waste, Energy Efficiency Ratio of the present utility model is improved greatly.
4) heat exchange mode of cold or interior heat in the first heat-exchanger rig in the utility model and the second heat-exchanger rig adopt, can effectively avoid in salting liquid dehumidifying or humidification and the adverse effect that in regenerative process, latent heat of phase change produces, make the temperature levels that salting liquid keeps stable in overall process, keep long-acting stable dehumidifying or humidification function, enhance the stability of unit operation.
5) in the first heat-exchanger rig in the utility model and the second heat-exchanger rig adopt, the heat exchange mode of cold or interior heat, effectively can reduce the amount of recycling of salting liquid, cut operating costs; Reduce unit volume simultaneously, reduce unit cost.In addition, in the utility model, the first heat-exchanger rig and the second heat-exchanger rig adopt plastics multilayer calandria structure, not only can maximize the advantage of cold or interior hot heat exchange mode in playing, and can reduce manufacturing cost to a great extent.
6) the solution dehumidification unit in the utility model, solution again unit, solution heat recovery units, surface cooler combine flexibly, can independent assortment according to actual needs, its connected mode also can adopt discrete layout or combination to arrange multiple different mode, to adapt to different spatial depiction.
Below in conjunction with detailed description of the invention shown in accompanying drawing, the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model is described in further detail:
Accompanying drawing explanation
Fig. 1 is the schematic front view of two the first embodiment of low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model;
Fig. 2 is the schematic front view of the two low-temperature receiver solution dehumidification unit the second embodiment of a kind of ground source heat pump type of the utility model;
Fig. 3 is the schematic front view of two the third embodiment of low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model.
Detailed description of the invention
In the schematic diagram of two the first embodiment of low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model as shown in Figure 1, comprise one group of solution dehumidification unit, 1, one group of regeneration of waste liquor unit, 2, one group of solution heat recovery units, 3, surface cooler 4, 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 heat recovery units 3 comprises top heat regenerator 31 and bottom heat regenerator 32, and top heat regenerator 31 is identical with the structure of bottom heat regenerator 32 and be respectively equipped with the 3rd solution spraying device, the 3rd heat-exchanger rig, the 3rd liquor box 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, salting liquid circular flow in solution dehumidification regeneration cycle loop, solution dehumidification regeneration cycle loop arranges heat exchanger 5, heat exchanger 5 is for being lowered the temperature by salting liquid wherein or heating, the pipeline being communicated with the first solution spraying device 101 and the second solution spraying device 201 arranges solution circulation pump 6 respectively, for solution dehumidification regeneration cycle loop provides circulation driving force.
In solution dehumidification unit 1, the first heat-exchanger rig 102 adopts the heat exchange mode of interior cold or interior heat, pipeline is used to be communicated with earth source heat pump 7 by allowing the inlet of the first heat-exchanger rig 102 and liquid outlet, earth source heat pump 7 is allowed to provide low-temperature receiver or thermal source for the first heat-exchanger rig 102, make salting liquid carry out keeping stable temperature in spray process in solution dehumidification unit 1 by the first heat-exchanger rig 102, keep long-acting dehumidifying or humidification capability.In regeneration of waste liquor unit 2, the second heat-exchanger rig 202 adopts the heat exchange mode of interior cold or interior heat, by allowing the inlet of the second heat-exchanger rig 202 and liquid outlet use pipeline communication to form heat transfer self circular loop, heat transfer self circular loop arranges solution circulation pump 6 in order to provide heat transfer medium circulation driving force; The inlet of surface cooler 4 and liquid outlet are formed by pipeline communication and pass cold self circular loop, and the cold self circular loop of biography is provided with solution circulation pump 6 in order to provide heat transfer medium circulation driving force; Heat transfer self circular loop and pass between cold self circular loop a refrigeration working medium closed circuit formed by pipeline communication by compressor 8, condenser 10, expansion valve 9, evaporimeter 11 is set, this refrigeration working medium closed circuit is coupled at condenser 10 place with heat transfer self circular loop and carries out heat exchange, there is provided thermal source or low-temperature receiver to heat transfer self circular loop, make salting liquid in regeneration of waste liquor unit, carry out spray process by the second heat-exchanger rig 202 and keep stable temperature levels to strengthen regeneration effect and the efficiency of salting liquid; Refrigeration working medium closed circuit is coupled at evaporimeter 11 place with the cold self circular loop of biography and carries out heat exchange, provides low-temperature receiver or thermal source to the cold self circular loop of biography.
The 3rd solution spraying device in top heat regenerator 31 and the 3rd liquor box are communicated with the 3rd solution spraying device with the 3rd liquor box in bottom heat regenerator 32 respectively by pipeline and form solution heat recovery cycle loop, and the pipeline being communicated with the 3rd solution spraying device in top heat regenerator 31 arranges solution circulation pump 6 in order to provide salting liquid circulation driving force.
Bottom heat regenerator 32, surface cooler 4, solution dehumidification unit 1 array from left to right and form new wind---air-supply passage; Top heat regenerator 31, regeneration of waste liquor unit 2 are arranged in order formation return air from right to left---air exhaust passage.By at new wind---the left end of air-supply passage arranges new wind filter 12, and effect or sub-high efficiency filter and electrostatic precipitator in arranging in new wind filter 12, can dust effectively in the new wind of filtering or impurity, new wind quality can be improved and avoid the contamination by dust salting liquid of new wind; By at new wind---air-supply passage right-hand member arranges breeze fan 13, and new wind can be guided to move towards and wind speed, and breeze fan 13 adopts frequency conversion fan can carry out variable frequency adjustment according to indoor and outdoor parameter simultaneously, with economize energy, strengthens the stability of unit operation.By at return air---air exhaust passage right-hand member is also provided with return air low efficient filter 14 and exhaust fan 15 from right to left successively, dust in same energy filtering return air or impurity, avoid the contamination by dust salting liquid in return air, exhaust fan 15 is utilized to guide return air to move towards and wind speed, exhaust fan 15 adopts frequency conversion fan with economize energy equally, strengthens the stability of unit operation.
The utility model also comprises electrically and control unit (not shown), electrically and control unit for controlling the electric distribution of each parts and operational factor and regulate, electric and 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 and control unit, improve stability and the precision of unit operation.The pipeline be communicated with on the second liquor box or with the second liquor box does not also have water compensating valve (not shown), and water compensating valve is salting liquid moisturizing under being used for winter condition; Refrigeration working medium closed circuit also there is no four-way changeover valve (not shown), four-way changeover valve is for changing the flow direction of refrigeration working medium, condenser and evaporimeter is made to play mutual substitution effect, meet summer except wet cooling condition and winter humidification change working needs, make the scope of application of the present utility model wider.
It should be noted that, for giving full play to the advantage of interior cold or interior hot heat exchange mode, save manufacturing cost, first heat-exchanger rig 102 and the second heat-exchanger rig 202 are designed to plastics multilayer calandria structure by the utility model, and 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.If do not consider manufacturing cost, the first heat-exchanger rig 102 and the second heat-exchanger rig 202 also can adopt the metal material such as copper and steel alloy to make.In addition, earth source heat pump 7 described in the utility model can adopt soil heat pump, underground water heat pump or surface water heat pump, also can be the heat pump that other utilize natural cold and heat source.Soil heat pump is used for solution dehumidification unit 1 and carries out exchange heat with soil, underground water heat pump is used for solution dehumidification unit 1 and carries out exchange heat with underground water, and surface water heat pump is used for solution dehumidification unit 1 and carries out exchange heat with lake water, river, seawater, municipal wastewater.Natural Cooling and Heat Source can be obtained by earth source heat pump 7, improve the Energy Efficiency Ratio of overall unit.
In the schematic diagram of the two low-temperature receiver solution dehumidification unit the second embodiment of a kind of ground source heat pump type of the utility model as shown in Figure 2, with the first embodiment unlike, present embodiment is provided with two groups of solution dehumidification unit 1, two groups of regeneration of waste liquor unit 2, one group of solution heat recovery units 3, two surface coolers 4, two are made into setting between two groups of solution dehumidification unit 1 and two groups of regeneration of waste liquor lists 2, and a solution dehumidification regeneration cycle loop is set respectively between two pairs of solution dehumidification unit 1 and regeneration of waste liquor list 2, and heat exchanger 5 and solution circulation pump 6 are set on respective solution dehumidification regeneration cycle loop, simultaneously, also two are made into setting between two groups of regeneration of waste liquor unit 2 and two surface coolers 4, and a refrigeration working medium closed circuit is set respectively between two pairs of regeneration of waste liquor unit 2 and two surface coolers 4, by respective refrigeration working medium closed circuit for often pair of regeneration of waste liquor unit 2 and two surface coolers 4 provide thermal source or low-temperature receiver.Adopt present embodiment, expand dehumidifying (humidification) disposal ability of unit.
It should be noted that, in present embodiment, solution dehumidification unit 1 and regeneration of waste liquor unit 2 are not limited to arrange two groups, can arrange more groups according to actual needs, and solution heat recovery units 3 is also not limited to arrange one group, can arrange many groups.Solution dehumidification regeneration cycle loop between solution dehumidification unit 1 and regeneration of waste liquor unit 2 is not limited to the set-up mode matched, can solution dehumidification regeneration cycle loop common conduit be set between all solution dehumidification unit 1 and all regeneration of waste liquor unit 2, common conduit is the reverse pipeline of two liquid flow path directions, all pipelines of connection first solution spraying device 101 and the pipeline of all connections first liquor box 103 is allowed to form with the pipeline of all pipeline and all connections second solution spraying device 201 that are connected the second liquor box 203 the solution dehumidification regeneration cycle loop mixed by common conduit, heat exchanger 5 and solution circulation pump 6 all can be located in common conduit in the solution dehumidification regeneration cycle loop of mixing, also can only heat exchanger 5 be located in common conduit, and solution circulation pump 6 is set respectively on the pipeline of all connection first solution spraying devices 101 and all connections second solution spraying device 201.
Refrigeration working medium closed circuit between regeneration of waste liquor unit 2 and two surface coolers 4 is also not limited to the set-up mode be made into, can arrange shared refrigeration working medium closed circuit between the heat transfer self circular loop of all regeneration of waste liquor unit 2 correspondences and the cold self circular loop of biography of all surface coolers 4 correspondence, shared refrigeration working medium closed circuit is by a compressor 8 and expansion valve 9 condenser 10 corresponding with each heat transfer self circular loop and corresponding evaporimeter 11 connects and composes with passing cold self circular loop; Or the refrigeration working medium closed circuit shared is connected and composed by a compressor 8, expansion valve 9, condenser 10, evaporimeter 11, and the corresponding pipeline connecting the second heat-exchanger rig 202 in all regeneration of waste liquor unit 2 is communicated with respectively and share a condenser 10, the corresponding pipeline of all connection table coolers 4 is communicated with respectively and shares an evaporimeter 11.
In the schematic diagram of two the third embodiment of low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type of the utility model as shown in Figure 3, with the first and the second embodiment unlike, two groups of solution dehumidification unit, 1, two groups of regeneration of waste liquor unit, 2, one group of solution heat recovery units, 3, surface cooler 4 is provided with in present embodiment, solution dehumidification regeneration cycle loop common conduit is set between two groups of solution dehumidification unit 1 and two groups of regeneration of waste liquor unit 2, forms the solution dehumidification regeneration cycle loop of mixing.Arrange a shared refrigeration working medium closed circuit between two groups of regeneration of waste liquor unit 2 and a surface cooler 4, shared refrigeration working medium closed circuit is connected and composed by two condensers 10 of a compressor 8, expansion valve 9, two groups of regeneration of waste liquor unit 2 correspondences and the evaporimeter 11 of surface cooler 4 correspondence.This vibrational power flow number of devices is less, effectively can reduce unit volume, reduce costs.
Above embodiment is only the description carried out preferred embodiment of the present utility model; the restriction not the utility model request protection domain carried out; 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 (10)
1. the two low-temperature receiver solution dehumidification unit of ground source heat pump type, comprise at least one group of solution dehumidification unit (1), at least one group of regeneration of waste liquor unit (2), at least one group of solution heat recovery units (3), at least one surface cooler (4), 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 heat recovery units (3) comprises top heat regenerator (31) and bottom heat regenerator (32), and top heat regenerator (31) is identical with the structure of bottom heat regenerator (32) and be respectively equipped with the 3rd solution spraying device, the 3rd heat-exchanger rig, the 3rd liquor box from top to bottom successively;
By install pipeline solution dehumidification regeneration cycle loop 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 (5) and solution circulation pump (6); In solution dehumidification unit (1), the first heat-exchanger rig (102) adopts the heat exchange mode of inner-cooled or internal heat type, and the inlet of the first heat-exchanger rig (102) is communicated with earth source heat pump (7) by pipeline with liquid outlet;
In regeneration of waste liquor unit (2), the second heat-exchanger rig (202) adopts the heat exchange mode of inner-cooled or internal heat type, the inlet of the second heat-exchanger rig (202) and liquid outlet form heat transfer self circular loop by pipeline communication, and heat transfer self circular loop is provided with solution circulation pump (6); The inlet of surface cooler (4) and liquid outlet are formed by pipeline communication and pass cold self circular loop, pass cold self circular loop and are provided with solution circulation pump (6); Heat transfer self circular loop and pass the refrigeration working medium closed circuit being provided with between cold self circular loop and being formed by pipeline communication by compressor (8), condenser (10), expansion valve (9), evaporimeter (11), heat transfer self circular loop and refrigeration working medium closed circuit to be coupled at condenser (10) place and to carry out exchange heat, pass cold self circular loop and refrigeration working medium closed circuit and are coupled at evaporimeter (11) place and carry out exchange heat;
The 3rd solution spraying device in top heat regenerator (31) and the 3rd liquor box are communicated with the 3rd solution spraying device with the 3rd liquor box in bottom heat regenerator (32) respectively by pipeline and form solution heat recovery cycle loop, and solution heat recovery cycle loop is provided with solution circulation pump (6);
Bottom heat regenerator (32), surface cooler (4), solution dehumidification unit (1) array from left to right and form new wind---air-supply passage; Top heat regenerator (31), regeneration of waste liquor unit (2) are arranged in order formation return air from right to left---air exhaust passage.
2. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type according to claim 1, it is characterized in that: new wind---air-supply passage left end is provided with new wind filter (12), filtration and electrostatic precipitator is provided with in new wind filter (12), new wind---air-supply passage right-hand member is provided with breeze fan (13), and breeze fan (13) adopts frequency conversion fan; Return air---air exhaust passage right-hand member is provided with return air filter (14) and exhaust fan (15) from right to left successively, and exhaust fan (15) adopts frequency conversion fan.
3. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type according to claim 2, it is characterized in that: also comprise electrically and control unit, electrically and control unit for controlling to adjust the electric distribution of each parts and operational factor.
4. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type according to claim 3, it is characterized in that: the second liquor box (203) pipeline that is upper or that be communicated with the second liquor box (203) is provided with water compensating valve; Refrigeration working medium closed circuit is provided with four-way changeover valve, and four-way changeover valve is for changing the flow direction of refrigeration working medium in refrigeration working medium closed circuit.
5. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type according to claim 4, it is characterized in that: described first heat-exchanger rig (102) and the second heat-exchanger rig (202) are multilayer calandria structure, multilayer comb adopts plastic production, 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.
6. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type according to claim 5, it is characterized in that: described earth source heat pump (7) is soil heat pump, underground water heat pump or surface water heat pump, soil heat pump is used for solution dehumidification unit (1) and carries out exchange heat with soil, underground water heat pump is used for solution dehumidification unit (1) and carries out exchange heat with underground water, and surface water heat pump is used for solution dehumidification unit (1) and carries out exchange heat with lake water, river, seawater or municipal wastewater.
7. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type described in any one of claim 1-6, it is characterized in that: described solution dehumidification unit (1) and regeneration of waste liquor unit (2) pairing are arranged, and all arrange independently solution dehumidification regeneration cycle loop between often pair of solution dehumidification unit (1) and regeneration of waste liquor unit (2).
8. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type described in any one of claim 1-6, it is characterized in that: between described solution dehumidification unit (1) and regeneration of waste liquor unit (2), be provided with one section of solution dehumidification regeneration cycle loop common conduit, common conduit comprises the reverse pipeline of two liquid flow path directions, and all solution dehumidification unit (1) and all regeneration of waste liquor unit (2) form the solution dehumidification regeneration cycle loop of mixing by common conduit.
9. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type described in any one of claim 1-6, it is characterized in that: described regeneration of waste liquor unit (2) and surface cooler (4) pairing are arranged, and heat transfer self circular loop corresponding to often pair of regeneration of waste liquor unit (2) and surface cooler (4) and pass between cold self circular loop and be provided with separately independently refrigeration working medium closed circuit, each independently refrigeration working medium closed circuit is by a compressor (8), an expansion valve (9), a condenser (10) and an evaporimeter (11) connect and compose.
10. according to the two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type described in any one of claim 1-6, it is characterized in that: be provided with a shared refrigeration working medium closed circuit between the heat transfer self circular loop that all regeneration of waste liquor unit (2) is corresponding and the cold self circular loop of biography corresponding to all surface coolers (4), shared refrigeration working medium closed circuit is connected and composed by a compressor (8), expansion valve (9), the condenser (10) corresponding with each heat transfer self circular loop and an evaporimeter (11) corresponding with the cold self circular loop of each biography; Or the refrigeration working medium closed circuit shared is connected and composed by a compressor (8), expansion valve (9), condenser (10), an evaporimeter (11), the corresponding pipeline of all heat transfer self circular loops is interconnected and shares a condenser (10), and the corresponding pipeline of the cold self circular loop of all biographies is interconnected and shares an evaporimeter (11).
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| CN201420823682.1U CN204513640U (en) | 2014-12-22 | 2014-12-22 | The two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type |
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| CN201420823682.1U CN204513640U (en) | 2014-12-22 | 2014-12-22 | The two low-temperature receiver solution dehumidification unit of a kind of ground source heat pump type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406259A (en) * | 2014-12-22 | 2015-03-11 | 丛旭日 | Ground source heat pump type double-cold-source solution dehumidifying unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406259A (en) * | 2014-12-22 | 2015-03-11 | 丛旭日 | Ground source heat pump type double-cold-source solution dehumidifying unit |
| CN104406259B (en) * | 2014-12-22 | 2017-01-11 | 丛旭日 | Ground source heat pump type double-cold-source solution dehumidifying unit |
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