A kind of solar energy secondary heat-source tower heat pump integrated device
Technical field
The present invention relates to a kind of solar energy secondary heat-source tower heat pump integrated device, especially relate to a kind of solar energy secondary heat-source tower heat pump integrated device that is applicable to the family formula regional air conditioner that summer " hot and humid " and winter use under " low temperature and high relative humidity " climatic environment.
Background technology
At southern china located in subtropical zone monsoon climatic region, north cold air was gone down south with warm moist air and was converged winter, made southern wide geographic area become warm and cold air face-off district, and " low temperature and high relative humidity " becomes areas to the south, Chinese Yangtze river basin specific climate condition.Just because of this special climate condition, contained unlimited inferior source of students low temperature potential energy in the humid air by conversion of solar energy.Calorific potential content is high under the humid air state, is the big different transfer of heat technology of air conditioner industry because the conventional air source heat pump air-conditioner prolongs usefulness, meets the low temperature and high relative humidity weather; Evaporating temperature is low; Cause too early frosting, can't normally move heat supply, need directly to adopt the electrical heating heat supply; The energy consumption height becomes insoluble technical barrier decades, damp and hotly in the air can become the harmful regenerative resource of air source heat pump.
At present; Developed a kind of device that utilizes the direct aeration circulation of big temperature difference open type cooling tower+salting liquid+reverse osmosis membrane to absorb low level heat source in the air abroad; Desired circulating solution concentration is high, surpassed the concentrated concentration of two times of reverse osmosis membrane technologies, causes salting liquid to absorb the airborne moisture that condenses and can't utilize reverse osmosis membrane that the water effective in the solution is separated; The exhaust emission environment, and solution losses is big.Utilize salting liquid aeration circulation to absorb low level heat source in the air, another fatal problem is, the salting liquid dissolved oxygen increases, and is serious to equipment corrosion, and the open type cooling tower mist phenomenon of wafing is very serious, and this salt fog also has heavy corrosion to the steel construction of surrounding environment.
Summary of the invention
The object of the present invention is to provide a kind of efficient high, energy consumption is low, and the life-span is long, compact conformation, the solar energy secondary heat-source tower heat pump integrated device that has wide range of applications.
Technical scheme of the present invention is: it is by enclosed working medium Cooling and Heat Source tower, and contrary Carnot cycle system of heat pump and damp and hot source condensate separator are formed;
Said enclosed working medium Cooling and Heat Source tower comprises casing negative pressure cavity air intake grid, Cooling and Heat Source heat exchanger, variable air rate EGR, rhombus steam fog separator; Said casing negative pressure cavity air intake grid is positioned on the outer enclosed structure of casing; The Cooling and Heat Source heat exchanger is positioned at casing enclosed structure middle and upper part, and the upper end communicates with the variable air rate EGR, and the lower end communicates with casing negative pressure cavity air intake grid, spray thrower assembly, drip tray device; The variable air rate EGR is positioned at casing enclosed structure top; The top communicates with rhombus steam fog separator, and the lower end communicates with the Cooling and Heat Source heat exchanger, and rhombus steam fog separator is positioned at the outer enclosed structure top of casing; Its top and atmosphere, the lower end communicates with the variable air rate EGR;
The contrary Carnot cycle system of said heat pump comprises heat pump compressor, hot-water heater, dielectric heater, four-way change-over valve, air-conditioning heater, separation cooler, heats expansion valve, coil evaporator; Said heat pump compressor exhaust outlet links to each other with hot-water heater working medium air inlet through pipeline; Hot-water heater working medium gas outlet links to each other with dielectric heater working medium air inlet through pipeline; Dielectric heater working medium gas outlet links to each other with the four-way change-over valve air inlet through pipeline; The four-way change-over valve gas outlet links to each other with air-conditioning heater working medium air inlet through pipeline; The pipeline of air-conditioning heater working medium liquid outlet through the check valve I is installed with separate the cooler inlet and be connected; Separate the pipeline of cooler liquid outlet through filter, check valve II are installed and heat the expansion valve inlet and be connected, heat the expansion valve liquid outlet and pass through pipeline and be connected with the coil evaporator inlet with separating tube, the coil evaporator venthole is connected with the four-way change-over valve air intake through the pipeline that the check valve III is installed; The four-way change-over valve venthole through pipeline with separate the cooler air intake and be connected, separate the cooler venthole and be connected with heat pump compressor suction steam ports through pipeline.
Damp and hot source condensate separator is by high-pressure circulation pump, constitute with the contrary Carnot cycle system of said heat pump shared dielectric heater, more medium filter, polymeric membrane separator tube, negative temperature sprayer, condensate separator disk, medium baffle-box; Said high-pressure circulation pump liquid outlet is connected with dielectric heater medium inlet through pipeline; Dielectric heater medium liquid outlet is connected with the more medium filter inlet through the pipeline that the valve I is installed; The more medium filter liquid outlet is connected with polymeric membrane separator tube inlet through the pipeline that the valve II is installed; Polymeric membrane separator tube liquid outlet is connected with the negative temperature sprayer through the pipeline that valve III, magnetic valve III, check valve IV are installed; Polymeric membrane separator tube delivery port is connected with the unit discharge outlet through pipeline; Negative temperature sprayer lower end communicates with the condensate separator disk; Condensate separator disk liquid outlet is connected with medium baffle-box inlet through the pipeline that the magnetic valve II is installed, and on the condensate water discharge road that the delivery port of condensate separator disk links to each other the magnetic valve I is installed, and medium baffle-box liquid outlet is connected with the high-pressure circulation pump inlet through pipeline.
The present invention utilizes little different transfer of heat low heat heat pump, the anti-frosting solution of macromolecule to combine with membrane separation technique, constitutes the solar energy secondary heat-source tower heat pump household air conditioning.Can realize that in monsoon climate zone, subtropical zone the family do not have boiler with air-conditioning and do not have cold-heat air-conditioning, water-heating three alliances that the auxilliary terminal of electricity does not have row's carbon.
The present invention's operation energy consumption in household air conditioning is low, carbon reduction, and summer, water spraying and sprinkling evaporation cooling refrigeration Energy Efficiency Ratio was high; Be that Frostless air-source heat pump heating performance coefficient height need not auxiliary thermal source winter, and service life of equipment is long, and is highly integrated; Compact conformation; Adopt the anti-frosting solution of polymeric membrane separator tube separation regeneration, recycle, environmentally safe; Utilize the little different transfer of heat of heat source tower heat pump to want the energy to air, with the carbon reduction technological expansion to the family with in the air-conditioning, replace conventional art conventional air source heat pump+electricity and assist hot household air conditioning, applied range.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
With reference to Fig. 1, present embodiment comprises enclosed working medium Cooling and Heat Source tower, the contrary Carnot cycle system of heat pump and damp and hot source condensate separator composition.
Big hollow arrow is represented air-flow direction among the figure, and little filled arrows representes that refrigeration working medium circulates direction, and little hollow arrow is represented the medium circulation flow direction; Dotted line is represented the gaseous material flow line, the pipeline liquid flow line that solid line is represented.
Said enclosed working medium Cooling and Heat Source tower comprises casing negative pressure cavity air intake grid 1-1, Cooling and Heat Source heat exchanger 1-2, variable air rate EGR 1-3, rhombus steam fog separator 1-4; Said casing negative pressure cavity air intake grid 1-1 is positioned on the outer enclosed structure of casing, and 1-2 communicates with the Cooling and Heat Source heat exchanger, and Cooling and Heat Source heat exchanger 1-2 is positioned at casing enclosed structure middle and upper part; Upper end and variable air rate EGR 1-3 UNICOM; The lower end communicates with casing negative pressure cavity air intake grid, spray thrower assembly, drip tray device, and variable air rate EGR 1-3 is positioned at casing enclosed structure top, and the top communicates with rhombus steam fog separator 1-4; The lower end communicates with Cooling and Heat Source heat exchanger 1-2; Rhombus steam fog separator 1-4 is positioned at the outer enclosed structure top of casing, its top and atmosphere, and the lower end communicates with variable air rate EGR 1-3;
The contrary Carnot cycle system of said heat pump comprises heat pump compressor 2-1, hot-water heater 2-2, dielectric heater 2-3, four-way change-over valve 2-4, air-conditioning heater 2-5, separates cooler 2-6, heats expansion valve 2-7, coil evaporator 2-8; Said heat pump compressor 2-1 exhaust outlet links to each other with hot-water heater 2-2 working medium air inlet through pipeline; Hot-water heater 2-2 working medium gas outlet links to each other with dielectric heater 2-3 working medium air inlet through pipeline; Dielectric heater 2-3 working medium gas outlet links to each other with four-way change-over valve 2-4 air inlet through pipeline; Four-way change-over valve 2-4 gas outlet links to each other with air-conditioning heater 2-5 working medium air inlet through pipeline; The pipeline that air-conditioning heater 2-5 working medium liquid outlet is logical to be equipped with the check valve I with separate cooler 2-6 inlet and be connected; Separate the pipeline of cooler 2-6 liquid outlet through filter, check valve II are installed and heat expansion valve 2-7 inlet and be connected; Heating expansion valve 2-7 liquid outlet is connected with coil evaporator 2-8 inlet with separating tube through pipeline; Coil evaporator 2-8 venthole is connected with four-way change-over valve 2-4 air intake through the pipeline that the check valve III is installed, four-way change-over valve 2-4 venthole through pipeline with separate cooler 2-6 air intake and be connected, separate cooler 2-6 venthole and be connected with heat pump compressor 2-1 suction steam ports through pipeline.
Damp and hot source condensate separator is by high-pressure circulation pump 3-1, constitute with contrary shared dielectric heater 2-3, more medium filter 3-2, polymeric membrane separator tube 3-3, negative temperature sprayer 3-4, condensate separator disk 3-5, the medium baffle-box 3-6 of Carnot cycle system of said heat pump; Said high-pressure circulation pump 3-1 liquid outlet is connected with dielectric heater 2-3 medium inlet through pipeline; Dielectric heater 2-3 medium liquid outlet is connected with more medium filter 3-2 inlet through the pipeline that the valve I is installed; More medium filter 3-2 liquid outlet is connected with polymeric membrane separator tube 3-3 inlet through the pipeline that the valve II is installed; Polymeric membrane separator tube 3-3 liquid outlet is connected with negative temperature sprayer 3-4 through the pipeline that valve III, magnetic valve III, check valve IV are installed; Polymeric membrane separator tube 3-3 delivery port is connected with the unit discharge outlet through pipeline; Negative temperature sprayer 3-4 lower end communicates with the condensate separator disk; Condensate separator disk 3-5 liquid outlet is connected with medium baffle-box 3-6 inlet through the pipeline that magnetic valve II 3-5.2 is installed, and on the condensate water discharge road that the delivery port of condensate separator disk 3-5 links to each other magnetic valve I 3-5.1 is installed, and medium baffle-box 3-6 liquid outlet is connected with high-pressure circulation pump 3-1 inlet through pipeline.
Operation principle:
Enclosed working medium Cooling and Heat Source tower operation principle: the low potential temperature air in solar energy secondary source can get into Cooling and Heat Source heat exchanger 1-2 through casing negative pressure cavity air intake grid 1-1; Cooling and Heat Source heat exchanger 1-2 fin will hang down the potential temperature air can pass to the decline of coil evaporator 2-8 air themperature; Promote to be pressed into rhombus steam fog separator 1-4 through variable air rate EGR 1-3 and separate mist vapour and enter atmosphere and carry out heat exchange, get into the heat exchange that casing negative pressure cavity air intake grid 1-1 constitutes air low temperature position heat energy and coil evaporator 2-8 after air themperature raises again and circulate.
The contrary Carnot cycle system works principle of heat pump: the low pressure refrigerant vapor from coil evaporator 2-8 is sucked by heat pump compressor 2-1; Promoting through the heat pump work done is that cold-producing medium high pressure superheater gas gets into hot-water heater 2-2; Emitting the part sensible heat through circulatory mediator interface I 2-A and circulatory mediator interface II 2-B to hot water cyclesystem can; Slightly be cooled to hot, high pressure gas entering dielectric heater 2-3 and emit part sensible heat ability to the medium circulation system; Be cooled to the high pressure saturated gas and get into air-conditioning heater 2-5 through four-way change-over valve 2-4; Discharge whole calorific potentials through circulatory mediator interface III 2-C and circulatory mediator interface IV 2-D to the air-conditioning heat supply circulatory system and be condensed into the high-pressure refrigerant saturated liquid; Get into separation cooler 2-6 and be cooled to the high-pressure refrigerant subcooled liquid; Heating expansion valve 2-7 throttling step-down through filter, the entering of check valve II is two fluids of low pressure refrigerant vapour-liquid; Getting into coil evaporator 2-8 absorption can carburation by evaporation be the low pressure refrigerant moist steam from the low potential temperature air that Cooling and Heat Source heat exchanger 1-2 fin conducts heat, and isolates drop through check valve, four-way change-over valve 2-4, separation cooler 2-6, and low pressure refrigerant vapor sucks the work done lifting by heat pump compressor and accomplishes the contrary Carnot cycle of heat pump.
Damp and hot source condensate separator operation principle: when ambient air temperature is higher than more than 1 ℃; Condensate separator disk 3-5, magnetic valve I 3-5.1 open automatically; Cooling and Heat Source heat exchanger 1-2 has absorbed from the isolated moisture that condenses of airborne low potential temperature calorific potential; Naturally fall into condensate separator disk 3-5,3-5.1 discharges automatically by the magnetic valve I; When ambient air temperature is lower than below 1 ℃; Condensate separator disk 3-5, magnetic valve I 3-5.1 close automatically; Magnetic valve II 3-5.2 opens automatically; Cooling and Heat Source heat exchanger 1-2 has absorbed the frost prevention medium of isolating condense moisture and interrupted injection from airborne low potential temperature calorific potential and has been mixed into dilute solution; Naturally fall into condensate separator disk 3-5, get into medium baffle-box 3-6 by magnetic valve II 3-5.2, the negative temperature dilute solution sucks pressure-raising by high-pressure circulation pump 3-1 and gets into more medium filter 3-2 impurity screening after dielectric heater 2-3 heating; Isolate the moisture that condenses of allow compliance with emission standards behind the dilute solution entering polymeric membrane separator tube 3-3 after the heating; Through the discharging of 3-3.1 delivery port, isolated concentrated solution gets into negative temperature sprayer 3-4 to Cooling and Heat Source heat exchanger 1-2 intermittent spraying frost-proof solution through magnetic valve III, check valve IV, accomplishes solution frost prevention process.