Background technology
The consumption of energy savings reduces the discharging of environmental contaminants, realizes the sustainable development of the energy, is the common topic of paying close attention in the world today.Building energy consumption occupies sizable ratio in social total energy consumption, in China, therefore this ratio, reduces building energy consumption and become one of vital task of China's energy-saving and emission-reduction near 30%.Air conditioning energy consumption is the main body of building energy consumption, saves air conditioning energy consumption, and especially air conditioner fresh air is handled energy consumption, is the effective way that realizes building energy conservation.
It is the main flow form of following air conditioning mode that humiture is independently controlled, and it is by separating air-conditioning temperature-reducing and dehumidifying, and the traditional air-conditioning system energy consumption is big, the shortcoming of air quality difference thereby overcome.Realize that humiture independently controls, need provide dry nice and cool outdoor fresh air for building.For sultry humid area, the moisture removal that new wind requires is big, adopt traditional dehumidification by condensation, though can guarantee the moisture removal that requires, but the refrigerant temperature that requires is low, cause refrigeration system because of the performance energy consumption that descends increases, will inevitably cause new wind to cross cold and needs heat more simultaneously, further increased air conditioner fresh air processing energy consumption.Though and employing single-stage runner desiccant dehumidification can not cause new wind cold excessively, is difficult to meet the requirements of moisture removal usually, perhaps the regeneration temperature of Yao Qiuing is very high, increases the regeneration energy consumption greatly.
Comprehensively described, prior art has the following disadvantages: 1, Chang Gui single-stage rotary wheel dehumidifying regeneration temperature height, adopt other low-grade energies such as solar energy, waste heat to be difficult to reach its regeneration temperature requirement, the high-grade energy such as needs use electric energy are finished thermal regeneration, and energy resource consumption is bigger.2, the single-stage rotary wheel dehumidifying is limited in one's ability, is difficult to satisfy sultry humid area and realizes that humiture independently controls the requirement to the fresh air dehumidification ability.3, there is low, the shortcoming cold, that energy consumption is big of blowing of refrigerating efficiency in dehumidification by condensation.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the new wind air processing machine of the compound dehumidifying of multistage recuperation of heat that a kind of energy consumption is low, efficient is high.
The technical scheme that the present invention addresses the above problem is: comprise devaporizer, heat-exchangers of the plate type, the precooling dehumidifier, dry runner, sensible heat reclaims runner, the wind pushing temperature adjuster, breeze fan, the hot pump in low temp heat regenerator, the high temperature heat pump condenser, the high temperature heat pump compressor, the high temperature heat pump evaporimeter, the high temperature heat pump expansion valve, the regeneration blower fan, first control valve, second control valve, four-port conversion value, the hot pump in low temp compressor, the hot pump in low temp expansion valve, bypath valve, the bypass air channel; Described heat-exchangers of the plate type, precooling dehumidifier, dry runner, sensible heat reclaim runner, wind pushing temperature adjuster, breeze fan and are connected in series formation processing wind path directly by airduct successively; Described devaporizer, heat-exchangers of the plate type, sensible heat recovery runner, hot pump in low temp heat regenerator, high temperature heat pump condenser, dry runner, high temperature heat pump evaporimeter, regeneration blower fan are followed in series to form regeneration wind path footpath; Between described precooling dehumidifier and the wind pushing temperature adjuster is relation in parallel, and first control valve, second control valve are housed on the parallel branch, and after the two branch road parallel connections, its two ends are connected with the A port of hot pump in low temp expansion valve, four-port conversion value respectively; Described hot pump in low temp heat regenerator is connected with C port, the hot pump in low temp expansion valve of four-port conversion value respectively by pipeline; Described hot pump in low temp compressor is connected between the D port and B port of four-port conversion value; High temperature heat pump evaporimeter, high temperature heat pump compressor, high temperature heat pump condenser, high temperature heat pump expansion valve are connected closed the connection successively.
In the compound dehumidifying fresh air processor of above-mentioned multistage recuperation of heat, described dry runner is divided into dry runner treatment region and dry rotary wheel regeneration district, and it respectively accounts for 180 ° fan section.
In the compound dehumidifying fresh air processor of above-mentioned multistage recuperation of heat, it is cellular rotary heat exchanger that described sensible heat reclaims runner, is divided into sensible heat and reclaims runner treatment region and sensible heat recovery runner exhaust zone, and it respectively accounts for 180 ° fan section.
In the compound dehumidifying fresh air processor of above-mentioned multistage recuperation of heat, sensible heat reclaim runner treatment region side and sensible heat reclaims runner exhaust zone side, between import of precooling dehumidifier and dry runner treatment region side outlet, between high temperature heat pump condenser inlet and high temperature heat pump evaporator outlet, be respectively equipped with bypass air channel and by-passing valve.
In the compound dehumidifying fresh air processor of above-mentioned multistage recuperation of heat, described breeze fan and regeneration blower fan are the frequency control blower fan.
In the compound dehumidifying fresh air processor of above-mentioned multistage recuperation of heat, described precooling dehumidifier is a surface-type heat exchanger, and the bottom is provided with the condensate water gathering-device.
In the compound dehumidifying fresh air processor of above-mentioned multistage recuperation of heat, described heat-exchangers of the plate type is the distributary air-air heat exchanger; Devaporizer is for realizing the direct evaporative cooler or the wet-membrane humidifier of equal-enthalpy humidifying.
Technique effect of the present invention is: 1) the present invention organically combines dehumidification by condensation and rotary wheel dehumidifying, has improved the dehumidifying effect of system, can reduce the regeneration temperature of runner simultaneously, and the cold excessively situation of new wind can not occur; 2) the present invention uses multistage recuperation of heat dexterously, realizes that the step of energy is recycled, and reduces the energy consumption for cooling of the new wind of summer condition and the heating energy consumption of regeneration air, reduces the new wind heating energy consumption of winter condition simultaneously; 3) the present invention does not need other auxiliary thermal source to carry out desiccant regeneration except that the certain electric energy of blower fan, heat pump consumption.
The present invention can be applicable to the summer air-conditioning and the heat supply in winter of various public buildings, commercial building, industrial building, and the new wind that is suitable for large-scale central air conditioner system is handled, and the new wind that is particularly suitable for the humiture independence control air conditioner system of sultry humid area is handled.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to Fig. 1, the present invention includes devaporizer 1, heat-exchangers of the plate type 2, precooling dehumidifier 3, dry runner 4, sensible heat recovery runner 5, wind pushing temperature adjuster 6, breeze fan 7, hot pump in low temp heat regenerator 8, high temperature heat pump condenser 9, high temperature heat pump compressor 10, high temperature heat pump evaporimeter 11, high temperature heat pump expansion valve 12, regeneration blower fan 13, first control valve 14, second control valve 15, four-port conversion value 16, hot pump in low temp compressor 17, hot pump in low temp expansion valve 18, bypath valve 19, bypass air channel 20.
Described heat-exchangers of the plate type 2, precooling dehumidifier 3, dry runner 4, sensible heat reclaim runner 5, wind pushing temperature adjuster 6, breeze fan 7 and are connected in series formation processing wind path directly by airduct successively; Described devaporizer 1, heat-exchangers of the plate type 2, sensible heat recovery runner 5, hot pump in low temp heat regenerator 8, high temperature heat pump condenser 9, dry runner 4, high temperature heat pump evaporimeter 11, regeneration blower fan 13 are followed in series to form regeneration wind path footpath; Between described precooling dehumidifier 3 and the wind pushing temperature adjuster 6 is relation in parallel, is equipped with on the parallel branch after first control valve 14,15, the two branch road parallel connections of second control valve, and its two ends are connected with the A port of hot pump in low temp expansion valve 18, four-port conversion value 16 respectively; Described hot pump in low temp heat regenerator 8 is connected with C port, the hot pump in low temp expansion valve 18 of four-port conversion value 16 respectively by pipeline; Described hot pump in low temp compressor 17 is connected between the D port and B port of four-port conversion value 16; High temperature heat pump evaporimeter 11, high temperature heat pump compressor 10, high temperature heat pump condenser 9, high temperature heat pump expansion valve 12 are connected closed the connection successively.
It is cellular rotary heat exchanger that sensible heat among the present invention reclaims runner 5, be divided into sensible heat and reclaim runner exhaust zone 23 and sensible heat recovery runner treatment region 24, sensible heat reclaims runner exhaust zone 23 and sensible heat recovery runner treatment region 24 respectively accounts for 180 ° fan section, as shown in Figure 2.
Dry runner 4 among the present invention is divided into dry rotary wheel regeneration district 25 and dry runner treatment region 26, and dry runner treatment region 25 and dry rotary wheel regeneration district 26 respectively account for 180 ° fan section, as shown in Figure 3.
Processing wind path footpath concrete structure among the present invention is: outdoor new wind inlet duct 21 links to each other with the new wind side-entrance of heat-exchangers of the plate type 2, the new wind side outlet of heat-exchangers of the plate type 2 is connected with precooling dehumidifier 3 by airduct, and described precooling dehumidifier 3 is provided with the condensate water gathering-device for surface-type heat exchanger and bottom.Precooling dehumidifier 3 is connected by airduct with dry runner treatment region 26 again, and dry runner treatment region 26 opposite sides directly are connected with sensible heat recovery runner treatment region 24 by airduct.The opposite side that sensible heat reclaims runner treatment region 24 is connected with wind pushing temperature adjuster 6, and wind pushing temperature adjuster 6 links to each other with breeze fan 7 again, and breeze fan 7 links to each other with air-conditioned room by ajutage again.
Regeneration wind path footpath concrete structure among the present invention is: building exhaust duct 22 is connected with devaporizer 1, devaporizer 1 is connected with the air draft side-entrance of heat-exchangers of the plate type 2 by airduct, the wind exhausting outlet of heat-exchangers of the plate type 2 is connected by airduct with the exhaust zone that sensible heat reclaims runner 5, the exhaust zone opposite side that sensible heat reclaims runner 5 and hot pump in low temp heat regenerator 8 are connected by airduct, hot pump in low temp heat regenerator 8 is connected with high temperature heat pump condenser 9 by airduct, high temperature heat pump condenser 9 is connected to dry rotary wheel regeneration district 25 by airduct, the opposite side in dry rotary wheel regeneration district 25 is connecting high temperature heat pump evaporimeter 11 by airduct, and the high temperature heat pump evaporimeter is connected to regeneration blower fan 13.
The high temperature heat pump evaporimeter 11 in addition, high temperature heat pump compressor 10, and high temperature heat pump condenser 9, high temperature heat pump expansion valve 12 is connected into the loop successively, forms the high temperature heat pump heat recovery system.Between precooling dehumidifier 3 and the wind pushing temperature adjuster 6 is relation in parallel, and each branch road is equipped with control valve 1 respectively, control valve 2 15, and after the two branch road parallel connections, its two ends connect the A port of hot pump in low temp expansion valve 18, four-port conversion value 16 respectively; Hot pump in low temp heat regenerator 8 is connected with C port, the hot pump in low temp expansion valve 18 of four-port conversion value 16 respectively by pipeline; Hot pump in low temp compressor 17 is connected between the D port and B port of four-port conversion value 16.
Secondly reclaim runner treatment region side and sensible heat recovery runner exhaust zone side at sensible heat, between 3 imports of precooling dehumidifier and the dry runner treatment region side outlet, between the outlet of the import of high temperature heat pump condenser 9 and high temperature heat pump evaporimeter 11, be respectively equipped with bypass air channel 20 and by-passing valve 19.
Summer air-conditioning embodiment:
As shown in Figure 4, air handling process is: when outdoor high temperature high humidity fresh air (processing air) draws down taking out of breeze fan 7, form new wind by outdoor new wind inlet duct 21 and enter heat-exchangers of the plate type 2, carry out indirect sensible heat exchange with the building air draft after lowering the temperature through evaporative cooling, temperature reduces, enter precooling dehumidifier 3 afterwards, further cooled off by low-temperature refrigerant, and tentatively dehumidify from hot pump in low temp system.Fresh air after the preliminary dehumidifying enters dry runner 4, and by further dry, simultaneous temperature raises.Dried fresh air enters sensible heat and reclaims runner 5, carried out preliminary sensible heat precooling from the building air draft of heat-exchangers of the plate type 2, through wet cooling such as wind pushing temperature adjuster 6 is further, meet the requirements of wind pushing temperature, then after breeze fan 7 is sent into air-conditioned room.Wherein breeze fan 7 adopts the frequency control blower fan, adjusts rotation speed of fan according to duct resistance in running, with the air quantity and the blast of satisfying the demand.
As shown in Figure 4, building air draft processing procedure is: relatively dry nice and cool building air draft (regeneration air) is drawn down taking out of regeneration blower fan 13, form air draft by building exhaust duct 22 and enter devaporizer 1, carry out the equal-enthalpy humidifying cooling therein, absorb the heat of new wind then in heat-exchangers of the plate type 2, temperature raises slightly, enters the exhaust zone that sensible heat reclaims runner 5 then, further carry out heat exchange with new wind, temperature further raises.Air draft after preliminary the intensification successively enters hot pump in low temp heat regenerator 8, high temperature heat pump condenser 9, respectively by the high temperature refrigerant steam heated from hot pump in low temp and high temperature heat pump, reaches the regeneration temperature of runner therein.The regeneration air of high temperature drying enters dry rotary wheel regeneration district 25, and the drier in the dry runner 4 is regenerated, and recovers the dehumidifying effect of drier.Enter high temperature heat pump evaporimeter 11 through the regeneration air after the renewing zone, its heat energy is passed to low-temperature refrigerant in the high temperature heat pump evaporimeter 11, by high temperature heat pump system this part energy is passed to regeneration air before the dry runner 4 again.Enter atmosphere through the regeneration air after the high temperature heat pump evaporimeter 11 through regeneration blower fan 13.The blower fan 13 of wherein regenerating adopts the frequency control blower fan, and it can adjust rotation speed of fan according to duct resistance, with the air quantity and the blast of satisfying the demand.
The winter heating embodiment:
In the winter time under the operational mode, devaporizer 1, precooling dehumidifier 3, dry runner 4, sensible heat reclaim runner 5, high temperature heat pump heat recovery system all with out of service as shown in Figure 5.
Air handling process is: outdoor fresh cold air enters heat-exchangers of the plate type 2, carries out heat exchange with the higher indoor exhaust wind of temperature from building, and temperature raises.Fresh air after the preliminary preheating enters wind pushing temperature adjuster 6 through by-pass line, is arrived wind pushing temperature by the high temperature refrigerant steam heated from hot pump in low temp, sends into indoor through breeze fan 7 then.
Building air draft processing procedure is: the building air draft is passed to new wind through heat-exchangers of the plate type 2 with energy, and temperature reduces, and enters hot pump in low temp heat regenerator 8 through by-pass line 20 then, further heat energy is passed to new wind, improves new wind-warm syndrome degree.By-pass line 20 is passed through in air draft through hot pump in low temp heat regenerator 8 again, enters atmosphere by regeneration blower fan 13.
Above content described in this specification only is to structure example of the present invention explanation.The various modifications that specific embodiments described in the invention is made, replenish, perhaps adopt similar mode to replace, only otherwise depart from structure of the present invention, perhaps do not surmount the defined scope of these claims, all should belong to protection scope of the present invention.