CN101706136B - Solution temperature and humidity adjustment air treatment system - Google Patents
Solution temperature and humidity adjustment air treatment system Download PDFInfo
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- CN101706136B CN101706136B CN2009102304922A CN200910230492A CN101706136B CN 101706136 B CN101706136 B CN 101706136B CN 2009102304922 A CN2009102304922 A CN 2009102304922A CN 200910230492 A CN200910230492 A CN 200910230492A CN 101706136 B CN101706136 B CN 101706136B
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Abstract
The invention belongs to the technical field of energy source engineering and relates to a solution temperature and humidity adjustment air treatment system, which is a high-efficiency and energy-saving system that combines a heat and mass transfer system and heat pipe energy conservation and heat pump energy conservation technology to realize the temperature and humidity adjustment air treatment. The system is an integrated solution temperature and humidity adjustment air treatment system formed by organically communicating an air circulation subsystem, an N-stage solution treatment subsystem, a solution flowing and storing subsystem, an M-stage solution regeneration subsystem, a P-stage heat pipe heat return subsystem, a heat pump cold or heat supply subsystem, an L(or L+1)-stage air cooling tower subsystem, a cooling water circular flow subsystem, a temperature control subsystem and a humidity control subsystem with a low-temperature auxiliary heat source, wherein N is more than or equal to 1 and less than or equal to 20; and N is equal to M, P and L. The system has the advantages of mineral and energy conservation, slight pollution, novel and simple structure, combined temperature and humidity control process, small dehumidification module volume, large mass transfer driving force, high energy utilization rate, energy conservation, high heat pump efficiency, wide application range and the like.
Description
Technical field:
The invention belongs to the energy project technical field; Relate to a kind of solution temperature and humidity adjustment air treatment system; Solution and air are directly contacted the efficient heat transfer mass transport process that realized and heat pipe energy-saving technology, the technological combination of heat pump energy-conserving, realize air is carried out the energy-efficient system that conditioning is handled.
Background technology:
Air treatment system is widely used in fields such as industry, agricultural, commerce and people's family life.Like the convective drying process of extensive use in the industrial and agricultural production process, air treatment system is its drying power source, and the energy consumption of air treatment system that is used for drying power source every year is quite huge; Industry, the central air-conditioning of commercial field, the used all kinds of air-conditionings of people's family life also are air treatment systems for another example, and its energy consumption is also very huge, and according to statistics, China's building energy consumption total amount reached 3.5 hundred million tons of standard coals in 2002, accounted for 27.6% of social total energy consumption; And wherein each electrical network air conditioner refrigerating load of the whole nation reaches 4500 * 10
4KW is equivalent to the full load ability in power station, 2.5 Three Gorges.Along with the development of nation-building and the raising of living standards of the people, the building energy consumption proportion also will continue to increase substantially, and the experience by developed country reaches about 35% of total social energy consumption the most at last.Expect the year two thousand twenty, whole nation refrigeration electric power peak load also will be doubled than 2010 again, was equivalent to the full load ability in power station, 10 Three Gorges.Build every kilowatt power station and electrical network facilities, the average investment that needs 8,000 yuans approximately that is to say that if air conditioner load leans on electric power entirely, the power construction gross investment will be up to about 1.4 trillion yuan RMB so.Simultaneously, coal fired power generation also causes resource and environment and seriously influences, and comprises the discharging of COx, SOx, NOx and dust, tropical island effect that the city air-conditioning causes, noise pollution etc., all injures the sustainable development of economic society; In future, the mode of air treatment system must be reformed; Air-conditioning must be able to satisfy the requirement of economy, society, human and environment coordinated development.Temperature and humidity is two most important parameters that air-conditioning process must be controlled.It is temperature adjustment that people often take for air-conditioning, and in fact, too high or too low humidity all can make human body produce discomfort, influences the architectural environment quality.At a certain temperature, reduce humidity and can make people feel nice and cool more, dry and comfortable, the clothes dress is also more comfortable, and people are subjective can to feel that also air is fresher.In addition; Too high humidity also is that some commercial production institute is unallowed; Industrial departments such as archives, tobacco, military project, and underground or semi-underground building is interior according to different approaches, and dehumidifying is had high requirements; Particularly in industries such as weaving, medicine, relative air humidity produces very big influence to product quality in the production process and the product meeting of storage.So dehumidifying or humidification are the important contents of air-conditioning process.Dehumidifying or humidification are a high energy consumption job; Because although airborne water vapour content seldom; Only contain tens gram steam in every kg air, but because the latent heat of vaporization of water is very high, the energy consumption of dehumidifying or humidification to account for 20%～40% of air-conditioning total energy consumption.So research and develop energy-efficient dehumidifying and humidifying technology, significant to the energy and environment of the whole society.
In existing air treatment system, most important four processes are cooling, dehumidifying, heating and humidification, and dehumidification process is to be difficult to most realize and the maximum process of energy consumption in four processes.Traditional air conditioning mode is handled through air being carried out cool-down dehumidification; Remove indoor sensible heat load and latent heat load; Though this air conditioning mode can provide comfortable indoor environment, have the drawback of three aspects: (1) traditional air conditioning mode cools off air and the Combined Treatment that dehumidifies, and makes to utilize heat that the high temperature low-temperature receiver drains with the shared low temperature cold source of dehumidifying originally; Cause the waste on the using energy source grade, this to be wasted in the bigger hot wetland district of air-conditioning humidity load particularly outstanding; When (2) air being carried out the wet Combined Treatment of heat, heat moisture ratio can only change within the specific limits, is difficult to satisfy actual needs; When heat moisture ratio is not satisfied the demand, sacrifice control usually to humidity, just satisfy required temperature requirement, thereby cause relative air humidity too high or too low, damaged the thermal comfort of air-conditioned room; (3) traditional air-conditioning utilizes cooling surface that air is carried out cool-down dehumidification, and cooling surface humidity or ponding, breed bacteria and mould cause air-conditioning air-supply quality to descend easily.Particularly China is after experience " SARS " (SARS); Traditional air conditioning mode receives people and queries; The whole fresh wind air-condition notion begins to come into one's own; The requirement that increases new wind is also had higher requirement to dehumidifying technology, energy-conservation, reliably, the independent humidity control technology of miniaturization becomes the research direction of industrial quarters and academia.The liquid temperature and humidity adjustment air treatment system is a kind of green air conditioner mode that development potentiality is arranged very much from aspects such as protection environment, energy savings, also is the problem that present industry experts is being inquired into and studied.As long as solution directly contacts the efficient heat transfer mass transport process that is realized with air not only can realize the dehumidifying to air, and control rationally and the temperature and the concentration of regulating dehumidifying liquid, can also realize the processes such as cooling, humidification, heating to air; But like this numerous advantages of efficient heat transfer mass transport process take place when adopting which kind of system can make full use of above-mentioned solution directly to contact with air, thereby realize energy-efficient liquid conditioning air handling process.At present, the research work in relevant liquid dehumidifying field is very active at home and abroad.But make a general survey of research situation in recent decades, most work all are research or the experiments that concentrates under specific features, the specific operation, like the hot rerum natura of dehumidification solution; The wet-out property of dehumidifier, the power of regeneration of regenerator, flow-rate ratio of air and dehumidizer or the like; And theoretical research is more; Experimental verification is less, does still less to the globality description of this type systematic and the comprehensive balance of overall performance, and systemic circulation form and optimal design aspect are not had great breakthrough all the time.
Summary of the invention:
The objective of the invention is to overcome the shortcoming that prior art exists, seek to design a kind of energy-efficient solution temperature and humidity adjustment air treatment system of realizing.
To achieve these goals, the present invention circulates subsystem, temperature RACS and humidity RACS and the organic formula solution temperature damping air treatment system that is combined into one that is communicated with of low temperature auxiliary thermal source with air circulation subsystem, N level solution-treated subsystem, flow of solution with storage subsystem, M level solution regeneration subsystem, P level heat pipe backheat subsystem, heat pump cooling or heat supply subsystem, L level (or L+1 level) air cooling compressor subsystem, cooling water; Wherein, 1≤N≤20, N=M=P=L; The air circulation subsystem becomes the body functional areas with N level solution-treated groups of subsystems; Flow of solution and storage subsystem, M level solution regeneration subsystem, P level heat pipe backheat subsystem and low temperature auxiliary thermal source are formed solution regeneration function district; Heat pump cooling or heat supply subsystem, L level (or L+1 level) air cooling compressor subsystem, cooling water circulate subsystem and the low temperature auxiliary thermal source is formed the miscellaneous function district; Temperature RACS and humidity RACS are formed the control functional areas; The noumenon function district accomplishes the conditioning processing procedure of solution to air, and promptly the return air in the air circulation subsystem is with after additional new wind mixes, entering N level solution-treated subsystem; Mixing air directly contacts with solution in the N level solution-treated subsystem and realizes heat and mass transfer process efficiently; Make temperature, the humidity of mixing air handle the air feed state, after being sent into air-conditioned room or hothouse and absorbed thermic load and humidity load by pressure fan, the part air is discharged by the air draft blower fan; Another part is sent into air inlet duct by return air fan and is mixed with additional new wind; Get into N level solution-treated subsystem once more, so move in circles, realize the conditioning of air is handled; Solution regeneration function district accomplishes the concentrated regenerative process to the weak solution that forms after the moisture absorption; By flow of solution and storage subsystem the weak solution that flows out in the N level solution-treated subsystem is sent in the M level solution regeneration subsystem; In M level solution regeneration subsystem, the condenser preheating of weak solution and process P level heat pipe backheat subsystem, the hot-air reverse flow after the heating of low temperature auxiliary thermal source again; After accomplishing heat and mass transfer process through the mode of direct contact; Part water evaporates in the weak solution forms concentrated solution in air, send back to N level solution-treated subsystem by flow of solution and storage subsystem again, forms a continuous solution regenerative process of circulation; The miscellaneous function district provides necessary cold and heat source for the noumenon function district; Wherein L level or L+1 level air cooling compressor subsystem and cooling water circulate that groups of subsystems is combined into the noumenon function district and heat pump cooling subsystem provides cooling water, heat pump cooling or heat supply subsystem according to season needs for the noumenon function district cold or heat are provided; The temperature and the humidity control in noumenon function district is accomplished in the control functional areas, and temperature RACS and humidity RACS are accomplished the temperature and humidity control in noumenon function district respectively.
The present invention is during as drying power source; Can also increase Q level heat pipe backheat subsystem (1≤Q≤20); The i.e. identical heat pipe backheat subsystem of arranged in series Q level structure before and after the N of the air-treatment section level solution-treated subsystem is as the criterion by the air-flow direction of air-treatment section, arranges heat pipe evaporator before the N level solution-treated subsystem; Arrange heat pipe condenser behind the N level solution-treated subsystem; This Q level heat pipe backheat subsystem with N level solution-treated subsystem before the energy recovery of air get up, the air that gets into before the N level solution-treated subsystem is cooled off in advance, help improving the process efficiency that dries; The heat energy that reclaim is used further to heat the air after the N level solution-treated subsystem processes, and wind pushing temperature is improved.
The present invention by existing new wind, again have return air, also have the universal air treatment system of air draft to design; Or design by the brand-new air processing system of no return air; This external special occasions as as drying power source the time, designs by the full air return system of no new wind, no air draft.
Solution-treated subsystem of the present invention is one or more, when the solution-treated subsystem is one, is single-stage solution-treated subsystem; When solution-treated subsystem when being a plurality of, be the multi-stage solution processing subsystem.
Solution regeneration subsystem of the present invention is one or more, when the solution regeneration subsystem is one, is the single-stage regeneration subsystem; When solution regeneration subsystem when being a plurality of, be the multi-stage solution regeneration subsystem.
Heat pipe backheat subsystem of the present invention is one or more, when heat pipe backheat subsystem is one, is single-stage heat pipe backheat subsystem; When heat pipe backheat subsystem when being a plurality of, be multi-stage heat pipe backheat subsystem.
Air cooling compressor subsystem of the present invention is one or more, when the air cooling compressor subsystem is one, is single-stage air cooling compressor subsystem; When air cooling compressor subsystem when being a plurality of, be multi-staged air cooling tower subsystem.
N level solution-treated subsystem of the present invention can be realized the conditioning process to air simultaneously, and humidity regulation and adjustment process are united two into one.
The air in regeneration function of the present invention district is before getting into M level solution regeneration subsystem; Adopt the condenser preheating of P level heat pipe backheat subsystem earlier; And then through low temperature auxiliary thermal source heating, making the inlet air in regeneration function district is the hot-air with higher temperature, reduces or avoids in the regenerative process pyrosol to the heat transfer of air; Make solution in regenerative process, remain higher temperature, thereby have bigger mass transfer driving force; Reduce the solution regeneration temperature, make regenerative process can adopt the more low temperature auxiliary thermal source of low temperature; Because the air of discharging from M level solution regeneration subsystem is introduced into the evaporimeter of P level heat pipe backheat subsystem, heat is reclaimed by heat pipe backheat subsystem, and is used for the preheating regeneration air, so can not cause heat-energy losses because regenerative process air temperature is higher.
L level of the present invention or L+1 level air cooling compressor subsystem are together in series outdoor air cooling tower and air draft cooling tower, adopt the directly heat and mass transfer process of contact, and cooling water reaches the air ' s wet bulb temperature that is in contact with it; Effectively utilize the natural cold-energy (comprising the mass transport process cold energy that produces owing to wet-bulb temperature is low) and the air draft cold energy (comprising the mass transport process cold energy that produces owing to air draft wet-bulb temperature is low) of outdoor air.
The internal structure of N level solution-treated subsystem of the present invention and M level solution regeneration subsystem is that filling bed type, filler are tower, spray cell-type or spray coil formula; Filler in filler is tower is regular type filler or dumped packing; Confirm concrete internal structure and material according to the cost performance principle of optimality.
Control of the present invention system regulates ventilation temperature through the temperature of regulating dehumidification solution, through regulating the concentrated solution flow size adjustment air feed relative humidity that gets into dehumidifier; Through regulating the air-supply air quantity, changing humidity or the adjustment of gas-liquid flow analogy formula realization to air conditioning area.
Heat pump cooling of the present invention or heat supply subsystem are when carrying out cooling work; The cooling water that is provided by L level or L+1 level air cooling compressor subsystem is that heat pump condenser provides cold; Its temperature is lower than the dry-bulb temperature of outdoor air greatly, can improve heat pump efficiency; Heat pump cooling or heat supply subsystem can absorb heat energy simultaneously from air draft heat exchanger and natural thermal source evaporimeter when carrying out heat supply work, improve the heat pump operating efficiency, energy savings.
The present invention season in spring and autumn or humidity than low country spring, autumn, summer, used three seasons the time, if the cooling water that utilizes cooling tower to provide just can satisfy the cooling requirement of solution, then need not to open source pump, further reduce system energy consumption.
The present invention compared with prior art has the following advantages: the one, practice thrift the mineral matter energy, and reduce pollutant emission; The 2nd, multiple power-saving technology is integrated, novel structure, simple; The 3rd, to realize the conditioning process of air is united two into one, the dehumidification module volume is little, and the mass transfer driving force is big; The 4th, have bigger mass transfer driving force, energy utilization efficiency is high; The 5th, can make full use of the cold energy and the natural energy of air draft, save the energy; The 6th, heat pump efficiency is high; The 7th, can be widely used in fields such as industry, agricultural, commerce and people's family life.
Description of drawings:
Fig. 1 is groundwork flow process of the present invention and structural principle sketch map.
Fig. 2 is groundwork flow process and the structural principle sketch map during as drying power source of the present invention.
The specific embodiment:
Below through embodiment and combine accompanying drawing that the present invention is further described.
The air circulation subsystem that present embodiment relates to, N level solution-treated subsystem (1≤N≤20), flow of solution and storage subsystem, M level solution regeneration subsystem (1≤M≤20), P level heat pipe backheat subsystem (1≤P≤20), heat pump cooling or heat supply subsystem, L level (or L+1 level) air cooling compressor subsystem (1≤L≤20), cooling water circulate ten sub-systems such as subsystem, temperature RACS, humidity RACS and the low temperature auxiliary thermal source is indispensable part; Critical piece comprises the 1st grade of outdoor air cooling tower 1,2, the 2 grades of outdoor air cooling towers of cooling tower water pipeline, 3, the L level outdoor air cooling towers 4, air draft cooling tower 5; Main wind output channel 6, return airway 7, air user (air-conditioned room or hothouse) 8, cooling tower water pump 9, air draft blower fan 10; Heat pump is with air draft energy recovery evaporimeter 11, and the connecting line 12 of heat pump main frame and air heat exchanger, natural thermal source evaporimeter props up wind output channel 13, natural thermal source evaporimeter (like outdoor air ability, sea water heat energy, underground water heat energy etc.) 14, heat pump condenser cooling water pump 15; Heat pump condenser cooling water pipeline 16, preceding what solution cooling water pipeline 17, the end is what solution cooling water pipeline 18, and heat pump is with water cooled condenser 19, heat pump and water-cooled condenser connecting line 20; Heat pump main frame 21, return air fan 22, the end is what solution cooling water pump 23, and the end is what solution cooling heat exchanger 24, heat pump main frame and solution heat exchanger connecting line 25; Temperature control line 26, former level work solution cooling water pumps 27, former level work solution heat exchangers 28, the back is what working solution heat exchanger 29, temperature controller 30; Working solution groove 31, the 1 level work solution-treated liquid distributing devices 32,34, the 1 grades of actified solutions of working solution separating tube 33, the N level work solution-treated liquid distributing devices are handled liquid distributing device 35; M level actified solution is handled liquid distributing device 36, liquid barrier 37, new wind air channel 38, new wind blower fan 39, air-treatment section 40; Weak solution jar 41, weak solution pipeline 42, working solution circulating pump 43, working solution circulation feed pipe 44, humidity sender unit 45; Temperature sender unit 46, breeze fan 47, supply air duct 48, weak solution pump 49, concentrated solution jar 50; Concentrated solution solution feed pump 51, humidity control line 52, weak solution and concentrated solution heat exchanger 53, actified solution is with auxiliary thermal source pipeline 54; Actified solution heat exchanger 55, actified solution circulation feed pipe 56, actified solution separating tube 57, regeneration air is with auxiliary thermal source pipeline 58; Regeneration air is with 59, the 1 grades of heat pipe regenerator condensers of supplementary heat exchanger, 60, the P level heat pipe regenerator condensers, 61, the P level heat pipe regenerator evaporimeters 62; The 1st grade of heat pipe regenerator evaporimeter 63, regeneration air channel 64, regeneration blower fan 65, the P level heat pipe regenerator connecting lines 66; The 1st grade of heat pipe regenerator connecting line 67, actified solution circulating pump 68, actified solution groove 69, concentrated solution liquid back pipe 70; Concentrated solution is returned liquid pump 71,73, the 1 grades of heat pipe regenerator evaporimeters 74 of temperature controller 72, the Q level heat pipe regenerator evaporimeters; 77, the 1 grades of heat pipe regenerator connecting lines of the 1st grade of heat pipe regenerator condenser 75, the Q level heat pipe regenerator condensers, 76, the Q level heat pipe regenerator connecting lines 78 and heat pump condenser 79; The mutual principle connection of each parts is combined into one the formula system and device.
The air circulation subsystem of present embodiment comprises new wind air channel 38, new wind blower fan 39, return airway 7, return air fan 22, air-treatment section 40, liquid barrier 37, breeze fan 47, supply air duct 48, air user (air-conditioned room or hothouse) 8, main wind output channel 6, a wind output channel 13 and air draft blower fan 10 (drying power source system of accompanying drawing 2 is a closed circulation, so no new wind air channel 38, newly wind blower fan 39, return airway 7, return air fan 22); Make air circulation rationally between air channel, air-treatment section and air user (air-conditioned room or hothouse) through the power that various blower fan provided; Change according to the indoor and outdoor humiture, rationally regulate new wind, return air and air draft ratio, realize that the air quantity of science is regulated, satisfy health and energy-conservation requirement.
The N level solution-treated subsystem of present embodiment: the identical solution-treated subsystem of arranged in series N level structure in air-treatment section 40; Solution overall flow direction and air-flow direction be adverse current each other; Every grade of solution-treated subsystem comprises that (internal structure is that filling bed type, filler are tower, spray cell-type or spray coil formula for working solution groove 31, working solution circulating pump 43, working solution feed pipe 44, working solution heat exchanger 28,29, working solution separating tube 33, solution-treated liquid distributing device; The filler of filler in tower is regular type filler or dumped packing) compositions such as 32,34; Working solution circulating pump 43 is sent the working solution in the working solution groove 31 into working solution heat exchanger 28,29 through working solution feed pipe 44; After 28,29 pairs of working solution coolings of working solution heat exchanger or heat treated; Send into working solution separating tube 33; Working solution is evenly distributed in has the various piece of the liquid distributing device 32,34 of big heat and mass area, heat and mass efficiently takes place through the heat and mass face in the even air that is processed ground; Completion is to processing procedures such as the heating of air, cooling, humidification, dehumidifying.
The flow of solution of present embodiment and storage subsystem comprise that weak solution jar 41, weak solution pump 49, weak solution pipeline 42, weak solution and concentrated solution heat exchanger 53, concentrated solution return liquid pump 71, concentrated solution pipeline 70, concentrated solution jar 50 and concentrated solution solution feed pump 51; Weak solution pump 49, concentrated solution are returned liquid pump 71 makes solution realize Rational flow with concentrated solution solution feed pump 51 as power; Weak solution and concentrated solution heat exchanger 53 make the waste heat of concentrated solution pass to the weak solution of lower temperature according to heat transfer theory; The ability of the storage solutions that weak solution jar 41 and concentrated solution jar 50 are had can realize energy-storage function; The weak solution that flows out in the N level solution-treated subsystem is sent in the M level solution regeneration subsystem, and the concentrated solution that M level solution regeneration subsystem is formed is sent in the N level solution-treated subsystem; In course of conveying, recycle the waste heat of concentrated solution by weak solution and concentrated solution heat exchanger; In addition, weak solution jar and concentrated solution jar also can be realized energy-storage function.
The M level solution regeneration subsystem of present embodiment is the identical solution regeneration subsystem of arranged in series M level structure in regeneration air channel 64; Solution overall flow direction and the regeneration air direction adverse current each other that flows, the critical piece of every grade of solution regeneration subsystem comprise that (internal structure filling bed type, filler are tower, spray cell-type or spray coil formula for regeneration air channel 64, regeneration blower fan 65, actified solution groove 69, actified solution circulating pump 68, actified solution circulation pipe 56, actified solution heat exchanger 55, actified solution separating tube 57, Regeneration Treatment liquid distributing device; Filler in filler is tower is regular type filler or dumped packing) 35,36; Actified solution circulating pump 68 is sent the actified solution in the actified solution groove 69 into actified solution heat exchanger 55 through actified solution circulation pipe 56; After 55 pairs of actified solution heat treated of actified solution heat exchanger; Send into actified solution separating tube 57; Actified solution is evenly distributed in regeneration liquid distributing device 35,36 various pieces with big heat and mass area, and heat and mass efficiently takes place through the heat and mass face in the even air ground that makes regeneration; Accomplish the regeneration process that weak solution is converted into concentrated solution.
The P level heat pipe backheat subsystem of present embodiment is the identical heat pipe backheat subsystem of arranged in series P level structure before and after the M in regeneration function district level solution regeneration subsystem; Be as the criterion by the mobile direction of regeneration air; Arrange heat pipe condenser before the M level solution regeneration subsystem; Arrange heat pipe evaporator after the M level solution regeneration subsystem, the critical piece of every grade of heat pipe backheat subsystem comprises heat pipe evaporator 60 or 61, heat pipe condenser 62 or 63, heat-pipe working medium transfer pipeline 66 or 67; By the operation principle of the binary cycle system in the controllable bi-circulating hot-pipe system of routine, realize heat pipe heat exchanging process efficiently; The energy recovery of the regeneration air outlet air of M level solution regeneration subsystem is got up, be used for the regeneration air of preheating solution regeneration subsystem porch, reach purpose of energy saving.
The heat pump cooling of present embodiment or heat supply subsystem comprise heat pump main frame 21, heat pump with water cooled condenser 19, heat pump with air draft energy recovery evaporimeter 11, natural thermal source evaporimeter 14, heat pump solution heat exchanger 29, heat pump connecting line 12,20 and 25; Press the heat pump operation principle, select thermal source or low-temperature receiver, improve the heat pump operating efficiency through the difference that reduces evaporating temperature and condensation temperature as far as possible; When working solution need be lowered the temperature; Heat pump main frame 21 provides cold; At this moment; Heat pump uses water cooled condenser 19 to be condenser, and heat pump solution heat exchanger 29 is an evaporimeter, forms heat pump circulating system by heat pump main frame 21, heat pump with water cooled condenser 19, heat pump solution heat exchanger 29 and heat pump connecting line 20,25; When working solution need heat up; Heat pump main frame 21 provides heat; At this moment; Heat pump uses air draft energy recovery evaporimeter 11, natural thermal source evaporimeter 14 to be evaporimeter, and heat pump solution heat exchanger 29 is a condenser, forms heat pump circulating system by heat pump main frame 21, heat pump with air draft energy recovery evaporimeter 11, natural thermal source evaporimeter 14, heat pump solution heat exchanger 29 and heat pump connecting line 12,25; In the fundamental system of accompanying drawing 1, be that solution in the N level solution-treated subsystem provides low-temperature receiver or thermal source through the high-efficiency heat pump unit; In the drying power source system of accompanying drawing 2, source pump is obtained heat energy from natural thermal source evaporimeter 14, after heat pump improves temperature, with the air heat exchanger 79 in the heat transferred air-treatment section 40, promotes wind pushing temperature.
The L level air cooling compressor subsystem of present embodiment comprises outdoor air cooling tower 1,3 and 4, air draft cooling tower 5; Cooling tower water pump 9, cooling tower water pipeline 2 etc.; Outdoor air cooling tower 1,3 and 4 and the air draft cooling tower 5 common L+1 level (no air draft cooling tower 5 in the drying power source system of accompanying drawing 2 is so be the L level) that is together in series is by the flow direction; After cooling water flows through each outdoor air cooling tower 1,3 and 4 successively; Get into air draft cooling tower 5 again, low-temperature cooling water (no air draft cooling tower 5 in the drying power source system of accompanying drawing 2 provides low-temperature cooling water so cool off 4 towers by last 1 grade of outdoor air) is provided by air draft cooling tower 5; Utilize water and air directly to contact the efficient heat transfer mass transfer principle that is realized, in the ideal case, cooling water temperature can reach the wet-bulb temperature of institute's ingress of air; Efficiently utilize the natural cold-energy (comprising the mass transport process cold energy that produces owing to wet-bulb temperature is low) of outdoor air, make full use of the cold energy (comprising the mass transport process cold energy that produces owing to air draft wet-bulb temperature is low) of air draft simultaneously, energy savings.
The cooling water of present embodiment circulates subsystem and comprises cooling water pipeline 16,17 and 18 and cooling water cycle water pump 15,23 and 27; Cooling water cycle water pump 5,23 and 27 drives cooling water and flows through various heat exchangers as power source, realizes exchange heat; Be divided into three partial circulatings, realize three kinds of effects; The partial circulating that is made up of cooling water cycle water pump 27 and cooling water pipeline 17 is that preceding what solution heat exchanger of N level solution-treated subsystem provides cooling water; The partial circulating that constitutes by cooling water cycle water pump 23 and cooling water pipeline 18 be N level solution-treated subsystem back what solution heat exchanger cooling water is provided; The partial circulating that is made up of cooling water cycle water pump 15 and cooling water pipeline 16 is that heat pump provides cooling water with water cooled condenser 19.
The temperature RACS of present embodiment comprises temperature sender unit 46, temperature controller 30, temperature control line 26 and executing agency-heat pump main frame 21, realizes the control of ventilation temperature.
The humidity RACS of present embodiment comprises humidity sender unit 45, humidity controller 72, humidity control line 52 and executing agency--concentrated solution solution feed pump 51; Realize the control of air feed relative humidity.
The low temperature auxiliary thermal source of present embodiment comprises low temperature auxiliary thermal source pipeline 54,58 and low temperature auxiliary thermal source heat exchanger 55,59; The heat of various low temperature auxiliary thermal sources (like solar energy, geothermal energy, all kinds of waste heat energies etc.) is passed to relevant working medium through low temperature auxiliary thermal source heat exchanger, play the effect of assistant heating.
The Q level heat pipe backheat subsystem of present embodiment: the identical heat pipe backheat subsystem of arranged in series Q level structure before and after the N of air-treatment section level solution-treated subsystem; Air-flow direction by the air-treatment section is as the criterion; Arrange heat pipe evaporator before the N level solution-treated subsystem; Arrange heat pipe condenser behind the N level solution-treated subsystem, the critical piece of every grade of heat pipe backheat subsystem comprises heat pipe evaporator 73 and 74, heat pipe condenser 75 and 76, heat-pipe working medium transfer pipeline 77 and 78; By the operation principle of the binary cycle system in the controllable bi-circulating hot-pipe system of routine, realize heat pipe heat exchanging process efficiently; The energy recovery of air before the N level solution-treated subsystem is got up; The preceding air of entering N level solution-treated subsystem is cooled off in advance; Help improving the process efficiency that dries; The heat energy that reclaim is used further to heat the air after the N level solution-treated subsystem processes, and wind pushing temperature is improved.
Embodiment 1:
The new wind air channel 38 of present embodiment, new wind blower fan 39, return airway 7, return air fan 22, air-treatment section 40, liquid barrier 37, breeze fan 47, supply air duct 48, air user (air-conditioned room or hothouse) 8, main wind output channel 6, a wind output channel 13, air draft blower fan 10 constitute the air circulation subsystem; This subsystem makes air circulation rationally between air channel, air-treatment section and air user (air-conditioned room or hothouse) through the power that various blower fan provided; Change according to the indoor and outdoor humiture; Rationally regulate new wind, return air and air draft ratio, realize that the air quantity of science is regulated; (internal structure is that filling bed type, filler are tower, spray cell-type or spray coil formula for the working solution groove 31 of this embodiment, working solution circulating pump 43, working solution feed pipe 44, working solution heat exchanger 28,29, working solution separating tube 33, solution-treated liquid distributing device; Filler in filler is tower is regular type filler or dumped packing) 32,34 formation N level solution-treated subsystems, this subsystem is accomplished heating, cooling, humidification, dehumidification treatments process to air through heat and mass transfer process; The weak solution jar 41 of this embodiment, weak solution pump 49, weak solution pipeline 42, weak solution and concentrated solution heat exchanger 53, concentrated solution pipeline 70, concentrated solution solution feed pump 51, concentrated solution jar 50 and concentrated solution are returned liquid pump 71 and are constituted flow of solution and storage subsystem; This subsystem has been realized the conveying and the heat transfer process of weak solution and concentrated solution, has energy-storage function simultaneously; (internal structure is that filling bed type, filler are tower, spray cell-type or spray coil formula for the regeneration air channel 64 of this embodiment, regeneration blower fan 65, actified solution groove 69, actified solution circulating pump 68, actified solution circulation pipe 56, actified solution heat exchanger 55, actified solution separating tube 57 and Regeneration Treatment liquid distributing device; Filler in filler is tower is regular type filler or dumped packing) 35,36 formation M level solution regeneration subsystem, this subsystem is accomplished the regeneration process that weak solution is converted into concentrated solution; The heat pipe condenser 60 and 61 of this embodiment, heat pipe evaporator 62 and 63, heat-pipe working medium transfer pipeline 66 and 67 constitute P level heat pipe backheat subsystem, realize the high efficiente callback utilization of the air heat energy in regeneration function district; The heat pump main frame 21 of this embodiment, heat pump constitute heat pump cooling or heat supply subsystems with water cooled condenser 19, heat pump with air draft energy recovery evaporimeter 11, natural thermal source evaporimeter 14, heat pump solution heat exchanger 29, heat pump connecting line 12,20 and 25, are that solution in the N level solution-treated subsystem provides low-temperature receiver or thermal source through source pump; The outdoor air cooling tower 1,3 and 4 of this embodiment, air draft cooling tower 5; Cooling tower water pump 9, cooling tower water pipeline 2 constitute L+1 level air cooling compressor subsystem (1≤L≤20), utilize the natural cold-energy (comprising the mass transport process cold energy that produces owing to wet-bulb temperature is low) and the air draft cold energy (comprising the mass transport process cold energy that produces owing to air draft wet-bulb temperature is low) of outdoor air; The cooling water pipeline 16,17 of this embodiment and 18 and cooling water cycle water pump 15,23 and 27 constitute cooling waters and circulate subsystem, this subsystem is that solution heat exchanger 28,29 and heat pump provide cooling water with water cooled condenser 19; The temperature sender unit 46 of this embodiment, temperature controller 30, temperature control line 26 and executing agency 21 constitute the temperature RACS, realize the control of ventilation temperature; The humidity sender unit 45 of this embodiment, humidity controller 72, humidity control line 52 and executing agency 51 constitute the humidity RACS, realize the control of air feed relative humidity; The low temperature auxiliary thermal source pipeline 54,58 of this embodiment and low temperature auxiliary thermal source heat exchanger 55,59 constitute the low temperature auxiliary thermal source; The heat of various low temperature auxiliary thermal sources (like solar energy, geothermal energy, all kinds of waste heat energies etc.) is passed to relevant working medium through low temperature auxiliary thermal source heat exchanger 55,59, play the effect of assistant heating.
Present embodiment is pressed each parts shown in the accompanying drawing 1 earlier and is installed; Each heat pump, hot-pipe system are vacuumized and charge into an amount of cycle fluid; With the working solution that charges into finite concentration, some in weak solution jar 41, the concentrated solution jar 50; Start the breeze fan 47 in the air circulation subsystem, new wind blower fan 39, return air fan 22 and corresponding air draft blower fan (winter starting air draft blower fan 10; Start the exhaust blower in the air draft cooling tower 5 other season), make air by requirements such as air-conditioning cleanliness factor circulation rationally; Restart the working solution circulating pump 43 of N level solution-treated subsystem; Start L+1 level air cooling compressor subsystem, heat pump cooling or heat supply subsystem and cooling water and circulate subsystem; The weak solution pump 49 that starts simultaneously in flow of solution and the storage subsystem returns liquid pump 71 with concentrated solution; Start M level solution regeneration subsystem and P level heat pipe backheat subsystem, a kind of solution temperature and humidity adjustment air treatment system of the present invention just starts operation; Behind the certain hour, above-mentioned each subsystem is issued to stable duty in the regulating action of temperature RACS, humidity RACS.At this moment, the air circulation subsystem continuously will meet the requirements of air and send into air user (air-conditioned room or hothouse) 8; N level solution-treated subsystem is through heat and mass transfer process efficiently, realizes the processing procedures such as heating, cooling, humidification, dehumidifying to air; Flow of solution and storage subsystem have realized the conveying and the heat transfer process of weak solution and concentrated solution, and have energy-storage function; M level solution regeneration subsystem and P level heat pipe backheat subsystem are accomplished the regeneration process that weak solution is converted into concentrated solution; L+1 level air cooling compressor subsystem and cooling water circulate the natural cold-energy that subsystem has efficiently utilized outdoor air, have also made full use of the cold energy of air draft.
Embodiment 2:
The return airway 7 of present embodiment, air-treatment section 40, liquid barrier 37, breeze fan 47, supply air duct 48, air user (air-conditioned room or hothouse) 8 etc. constitute the air circulation subsystem, and this subsystem makes air circulation rationally between air channel, air-treatment section and air user (air-conditioned room or hothouse) through the power that breeze fan provided; (internal structure can be a filling bed type for the working solution groove 31 of this embodiment, working solution circulating pump 43, working solution feed pipe 44, working solution heat exchanger 28, working solution separating tube 33, solution-treated liquid distributing device; Can be that filler is tower; Can be the spray cell-type, also can be the spray coil formula; Filler in filler is tower can be regular type filler; Also can be dumped packing) 32,34 etc. constitute N level solution-treated subsystem (1≤N≤20); This subsystem is through heat and mass transfer process efficiently, accomplishes processing procedures such as heating to air, cooling, humidification, dehumidifying; The weak solution jar 41 of this embodiment, weak solution pump 49, weak solution pipeline 42, weak solution and concentrated solution heat exchanger 53, concentrated solution pipeline 70, concentrated solution solution feed pump 51, concentrated solution jar 50, concentrated solution are returned formation flow of solution and storage subsystem such as liquid pump 71; This subsystem is accomplished the conveying and the heat transfer process of weak solution and concentrated solution, has energy-storage function simultaneously; The regeneration air channel 64 of this embodiment, regeneration blower fan 65, actified solution groove 69, actified solution circulating pump 68, actified solution circulation pipe 56, actified solution heat exchanger 55, actified solution separating tube 57, (internal structure can be a filling bed type to the Regeneration Treatment liquid distributing device; Can be that filler is tower; Can be the spray cell-type, also can be the spray coil formula; The filler of filler in tower can be regular type filler, also can be dumped packing) 35,36 etc. constitute M level solution regeneration subsystem, this subsystem is accomplished the regeneration process that weak solution is converted into concentrated solution; The heat pipe condenser 60 and 61 of this embodiment, heat pipe evaporator 62 and 63, heat-pipe working medium transfer pipeline 66 and 67 etc. constitute P level heat pipe backheat subsystem (1≤P≤20), and this subsystem has been realized the high efficiente callback utilization of the air heat energy in regeneration function district; The heat pump main frame 21 of this embodiment, natural thermal source evaporimeter 14, heat pump connecting line 12,25 etc. constitute the heat pump heat supply subsystem, are that air after the N level solution-treated subsystem processes carries out heat again through the high-efficiency heat pump unit, make it reach ventilation temperature; The outdoor air cooling tower 1,3 and 4 of this embodiment; Cooling tower water pump 9, cooling tower water pipeline 2 etc. constitute L level air cooling compressor subsystem (1≤L≤20); This subsystem efficiently utilizes the natural cold-energy (comprising the mass transport process cold energy that produces owing to wet-bulb temperature is low) of outdoor air, obtains cooling water; Formation cooling waters such as the cooling water pipeline 17 of this embodiment and cooling water cycle water pump 27 circulate subsystem, and the cooling water that this subsystem obtains L level air cooling compressor subsystem offers the working solution heat exchanger; The temperature sender unit 46 of this embodiment, temperature controller 30, temperature control line 26 and executing agency 21 etc. constitute the temperature RACS, realize the control of ventilation temperature; The humidity sender unit 45 of this embodiment, humidity controller 72, humidity control line 52 and executing agency 51 etc. constitute the humidity RACS, can realize the control of air feed relative humidity; The low temperature auxiliary thermal source pipeline 54,58 of this embodiment and low temperature auxiliary thermal source heat exchanger 55,59 etc. constitute the low temperature auxiliary thermal source; The heat of various low temperature auxiliary thermal sources (like solar energy, geothermal energy, all kinds of waste heat energies etc.) is passed to relevant working medium through low temperature auxiliary thermal source heat exchanger, play the effect of assistant heating; The heat pipe evaporator 73 and 74 of this embodiment, heat pipe condenser 75 and 76, heat-pipe working medium transfer pipeline 77 and 78 etc. constitute Q level heat pipe backheat subsystem (1≤Q≤20); This subsystem with N level solution-treated subsystem before the energy recovery of air get up; Air is cooled off in advance; Help improving the process efficiency that dries, reclaim the air after the heat energy that gets up is used further to heat N level solution-treated subsystem processes, to improve wind pushing temperature.
Present embodiment is pressed each parts shown in the accompanying drawing 2 earlier and is installed; Each heat pump, hot-pipe system are vacuumized and charge into an amount of cycle fluid; With the working solution that charges into finite concentration, some in weak solution jar 41, the concentrated solution jar 50; Start the breeze fan 47 in the air circulation subsystem, make air circulation rationally; Restart N level solution-treated subsystem; Start L level air cooling compressor subsystem, heat pump heat supply subsystem and cooling water and circulate subsystem; The weak solution pump 49 that starts simultaneously in flow of solution and the storage subsystem returns liquid pump 71 with concentrated solution; Start M level solution regeneration subsystem, P level heat pipe backheat subsystem and Q level heat pipe backheat subsystem, the system of a kind of solution temperature and humidity adjustment air treatment system of the present invention during as drying power source just starts operation; Behind the certain hour, above-mentioned each subsystem is issued to stable duty in the regulating action of temperature RACS, humidity RACS.At this moment, the air circulation subsystem continuously will meet the requirements of air and send into air user (air-conditioned room or hothouse) 8; N level solution-treated subsystem is through heat and mass transfer process efficiently, realizes the processing procedures such as heating, cooling, humidification, dehumidifying to air; Flow of solution and storage subsystem have realized the conveying and the heat transfer process of weak solution and concentrated solution, and have energy-storage function; M level solution regeneration subsystem and P level heat pipe backheat subsystem are accomplished the regeneration process that weak solution is converted into concentrated solution; L level air cooling compressor subsystem and cooling water circulate the natural cold-energy that subsystem has efficiently utilized outdoor air; Q level heat pipe backheat subsystem with N level solution-treated subsystem before the energy recovery of air get up; Air is cooled off in advance; Improve when drying process efficiency, with the air that reclaims after the heat energy that gets up is used further to heat N level solution-treated subsystem processes, to improve wind pushing temperature.
Claims (6)
1. a solution temperature and humidity adjustment air treatment system is characterized in that air circulation subsystem, N level solution-treated subsystem, flow of solution are circulated subsystem, temperature RACS and humidity RACS and the organic formula solution temperature and humidity adjustment air treatment system that is combined into one that is communicated with of low temperature auxiliary thermal source with storage subsystem, M level solution regeneration subsystem, P level heat pipe backheat subsystem, heat pump cooling or heat supply subsystem, L level or L+1 level air cooling compressor subsystem, cooling water; Wherein, 1≤N≤20, N=M=P=L; The air circulation subsystem becomes the body functional areas with N level solution-treated groups of subsystems; Flow of solution and storage subsystem, M level solution regeneration subsystem, P level heat pipe backheat subsystem and low temperature auxiliary thermal source are formed solution regeneration function district; Heat pump cooling or heat supply subsystem, L level or L+1 level air cooling compressor subsystem, cooling water circulate subsystem and the low temperature auxiliary thermal source is formed the miscellaneous function district; Temperature RACS and humidity RACS are formed the control functional areas; The noumenon function district accomplishes the conditioning processing procedure of solution to air, and promptly the return air in the air circulation subsystem is with after additional new wind mixes, entering N level solution-treated subsystem; Mixing air directly contacts the realization heat and mass transfer process with solution in the N level solution-treated subsystem; Make temperature, the humidity of mixing air handle the air feed state, after being sent into air-conditioned room or hothouse and absorbed thermic load and humidity load by pressure fan, the part air is discharged by the air draft blower fan; Another part is sent into air inlet duct by return air fan and is mixed with additional new wind; Get into N level solution-treated subsystem once more, so move in circles, realize the conditioning of air is handled; Solution regeneration function district accomplishes the concentrated regenerative process to the weak solution that forms after the moisture absorption; By flow of solution and storage subsystem the weak solution that flows out in the N level solution-treated subsystem is sent in the M level solution regeneration subsystem; In M level solution regeneration subsystem, the condenser preheating of weak solution and process P level heat pipe backheat subsystem, the hot-air reverse flow after the heating of low temperature auxiliary thermal source again; After accomplishing heat and mass transfer process through the mode of direct contact; Part water evaporates in the weak solution forms concentrated solution in air, send back to N level solution-treated subsystem by flow of solution and storage subsystem again, forms a continuous solution regenerative process of circulation; The miscellaneous function district provides cold and heat source for the noumenon function district; Wherein L level or L+1 level air cooling compressor subsystem and cooling water circulate that groups of subsystems is combined into the noumenon function district and heat pump cooling subsystem provides cooling water, heat pump cooling or heat supply subsystem according to season needs for the noumenon function district cold or heat are provided; The temperature and the humidity control in noumenon function district is accomplished in the control functional areas, and temperature RACS and humidity RACS are accomplished the temperature and humidity control in noumenon function district respectively.
2. solution temperature and humidity adjustment air treatment system according to claim 1 when it is characterized in that as drying power source, increases Q level heat pipe backheat subsystem; Wherein, 1≤Q≤20, i.e. the identical heat pipe backheat subsystem of arranged in series Q level structure before and after the N of the air-treatment section level solution-treated subsystem is as the criterion by the air-flow direction of air-treatment section; Arrange heat pipe evaporator before the N level solution-treated subsystem; Arrange heat pipe condenser behind the N level solution-treated subsystem, Q level heat pipe backheat subsystem with N level solution-treated subsystem before the energy recovery of air get up, the air that gets into before the N level solution-treated subsystem is cooled off in advance; The heat energy that reclaim is used further to heat the air after the N level solution-treated subsystem processes, and wind pushing temperature is improved.
3. solution temperature and humidity adjustment air treatment system according to claim 1; The air that it is characterized in that the regeneration function district adopts the condenser preheating of P level heat pipe backheat subsystem earlier before getting into M level solution regeneration subsystem, and then heats through the low temperature auxiliary thermal source; The inlet air that makes the regeneration function district is a hot-air; Reduce or avoid that pyrosol makes solution in regenerative process, remain higher temperature to the heat transfer of air in the regenerative process, have the mass transfer driving force; Reduce the solution regeneration temperature, make regenerative process can adopt the more low temperature auxiliary thermal source of low temperature; Because the air of discharging from M level solution regeneration subsystem is introduced into the evaporimeter of P level heat pipe backheat subsystem, heat is reclaimed by heat pipe backheat subsystem, and is used for the preheating regeneration air.
4. solution temperature and humidity adjustment air treatment system according to claim 1; It is characterized in that L level or L+1 level air cooling compressor subsystem are together in series outdoor air cooling tower and air draft cooling tower; Adopt the directly heat and mass transfer process of contact, cooling water reaches the air themperature that is in contact with it; Effectively utilize the natural cold-energy and the air draft cold energy of outdoor air.
5. solution temperature and humidity adjustment air treatment system according to claim 1, the internal structure that it is characterized in that N level solution-treated subsystem and M level solution regeneration subsystem are that filling bed type, filler are tower, spray cell-type or spray coil formula; Filler in filler is tower is regular type filler or dumped packing; Confirm concrete internal structure and material according to the cost performance principle of optimality.
6. solution temperature and humidity adjustment air treatment system according to claim 1 is characterized in that the control system regulates ventilation temperature through the temperature of regulating dehumidification solution, through regulating the concentrated solution flow size adjustment air feed relative humidity that gets into dehumidifier; Through regulating the air-supply air quantity, changing humidity or the adjustment of gas-liquid flow analogy formula realization to air conditioning area.
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| CN102022793B (en) * | 2010-12-01 | 2012-09-19 | 东南大学 | Latent heat recovery-based high-efficiency heat pump type heat source tower solution regenerating device and method |
| CN202955793U (en) * | 2012-09-29 | 2013-05-29 | 刘拴强 | Heat pump drive reverse flow heat-humidity exchange solution humidifying air conditioner system |
| CN103265158B (en) * | 2013-05-23 | 2014-07-02 | 南京师范大学 | Method for dehumidifying and drying sludge by use of solar energy-heat pump coupling solution |
| CN103438614B (en) * | 2013-09-02 | 2015-08-26 | 东南大学 | The controlled regenerative device of solution of condensation is also realized based on vacuum boiling |
| CN104964473B (en) * | 2015-05-27 | 2018-02-27 | 青岛大学 | A kind of energy-saving freezing depth dehumidified air processing method |
| CN113606708B (en) * | 2021-09-14 | 2024-07-09 | 北京联力源科技有限公司 | Fresh air system and operation method thereof |
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