CN101270941A - Heat source tower heat pump - Google Patents
Heat source tower heat pump Download PDFInfo
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- CN101270941A CN101270941A CNA2008100313551A CN200810031355A CN101270941A CN 101270941 A CN101270941 A CN 101270941A CN A2008100313551 A CNA2008100313551 A CN A2008100313551A CN 200810031355 A CN200810031355 A CN 200810031355A CN 101270941 A CN101270941 A CN 101270941A
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Abstract
The invention provides a heat tower heat pump, mainly consisting of a cold/heat source absorption device closed heat tower and a low-temperature heat tower elevating device low-temperature heat source heat pump. The invention can be used as an efficient water evaporation cooling device in summer and an efficient broadband frost-free air source heat pump in winter, realizing cooling in summer and heating in winter, capable of supplying hot water for households; thereby the invention can be used for the three purposes.
Description
Technical field
The present invention relates to a kind of cooling and heating device, especially relate to a kind of cooling and heating device-heat source tower heat pump that combines by Cooling and Heat Source tower and low heat heat pump that is applicable to that building under " low temperature and high relative humidity " environmental condition in winter uses.
Background technology
Areas to the south, the Chinese Yangtze river basin in winter, north cold air is gone down south, when it flows to southwest, just be hampered by the Yunnan Guanyuan and the Chuan Xi plateau of about 3000 meters of height above sea level fully, it is to the south and also be subjected to stopping of Nan Ling mountain range and Wuyi Mountain Range southeastward the time respectively, and constantly cross from lower Nan Ling mountain range from the warm moist air of the South Sea and the Bay of Bengal, converge with cold air, make the vast southern area between these three mountain ranges often become warm and cold air group face-off stagnant area, low pressure a run of wet weather, " low temperature and high relative humidity " become southern china specific weather conditions in winter.
Southern area, 2～-5 ℃ air themperature have nearly 200-250 hour (about about 10 days), and 2～5 ℃ air themperature has nearly 900-1000 hour (about about 40 days).Low potential temperature " latent heat " content height in the air, become the harmful low level heat source of traditional narrow air source heat pump, cause the heat exchanger frosting, obstruct airflow is led to heat exchange, frequent defrosting causes arrowband air source heat pump cisco unity malfunction, is aided with high-grade electrical heat energy, oil burning boiler, coal-burning boiler as auxiliary thermal source thereupon, energy consumption height, and contaminated environment.
The earth source heat pump power-saving technology derives from the U.S..But its earth source heat pump adopts mixing source heat pump (soil source+cooling tower), and use in the area that only is adapted at subzero tens degree of northern US underground in winter source temperature.
And southern china geological structure complexity, it is shallow that bury rock stratum, mountain area, hills, many places, adopts mixing source heat pump (soil source+cooling tower), and the initial cost in its underground source involves great expense.And the building of urban central zone can satisfy mixing source soil source heat exchanger laid condition, and is almost nil, thereby, adopt electric heating, fuel oil, coal-burning boiler as heat source in a large number, energy consumption height not only, environmental pollution is also quite serious.
Therefore, seek low level heat source cheap, that be suitable for " low temperature and high relative humidity " weather conditions,, become the important topic of China's south energy-saving and emission-reduction as source heat pump heat.
Summary of the invention
The object of the present invention is to provide " low temperature and high relative humidity " area of a kind of being suitable for, cost is low, non-environmental-pollution, cooling and heating device---the heat source tower heat pump of energy savings.
The objective of the invention is to be achieved through the following technical solutions: it mainly combines (its title " heat source tower heat pump " also is to come therefrom) by Cooling and Heat Source absorption equipment closed type heat source tower and low level heat source lifting means low heat heat pump;
Described closed type heat source tower comprises that the thermal source tower safeguards framework, and the thermal source tower safeguards that framework comprises the tower body framework, and the tower body frame roof is provided with chimney fan, and sidewall is provided with maintenance panel, and the tower body base of frame is provided with air intake grid; Be provided with the pneumatic system of eddy flow that constitutes by variable speed electric motors, particularly control device, oblique fire eddy flow blower fan in the chimney fan; The thermal source tower is safeguarded and is provided with the low temperature broadband heat exchanger that is made of broadband fin, heat exchanger tube in the framework, the inlet of low temperature broadband heat exchanger links to each other by the liquid outlet of pipeline with the full liquid package of the full liquid evaporimeter of the little temperature difference of low heat heat pump, and the liquid outlet of low temperature broadband heat exchanger links to each other by the inlet of pipeline with the full liquid package of the full liquid evaporimeter of the little temperature difference; Be provided with the solution expansion drum on described two connecting pipes, the upper inlet of described solution expansion drum is connected (the solution expansion drum can be discharged the air in the solution automatically, mixes with additional mother liquor in the jar) with the full liquid evaporimeter drain pipe of the little temperature difference; The lower part outlet of described solution expansion drum is connected with the thermal source pump inlet by pipeline, the thermal source pump discharge is connected with the inlet of low temperature broadband heat exchanger, and the thermal source pump is positioned on the pipeline of inlet of full liquid package of the liquid outlet that connects low temperature broadband heat exchanger and the full liquid evaporimeter of the little temperature difference; Heat exchanger top, thermal source tower low temperature broadband is provided with the vapor-liquid separation that is made of oblique flow refraction separator and oblique fire cyclone separator; Heat exchanger below, low temperature broadband is provided with the condensate water piece-rate system that is made of drip tray, condensate water control device and solution control valve; Also be provided with the anti-defrosting system of the negative temperature that is made of solution pool, spray pump control device, spray thrower, spray thrower is positioned at heat exchanger top, low temperature broadband, the vapor-liquid separation top, and solution pool is positioned at the thermal source tower and safeguards frame underneath; Described low heat heat pump comprises by helical-lobe compressor and the automatic wide operating mode screw compressor system that constitutes of oil eliminator and overtemperature bubbler; Helical-lobe compressor is communicated with by the full liquid package of working medium pipeline with the full liquid evaporimeter of the little temperature difference, and the full liquid evaporimeter of the little temperature difference is made of full liquid package and fluid level control device; The automatic oil eliminator of wide operating mode screw compressor system is communicated with the condensation package of package condenser by the working medium pipeline, the condensation package of package condenser links to each other with the device for drying and filtering of wideband electronic expansion system, and the broadband throttling arrangement of wideband electronic expansion system is communicated with by the full liquid package of pipeline with the full liquid evaporimeter of the little temperature difference; The above-mentioned low heat source pump working medium circulation work done part that connected and composed; Oil catcher, siphon oil return apparatus and heater constitute low temperature forced oil return system, and oil catcher is communicated with the full liquid package of the full liquid evaporimeter of the little temperature difference; The full liquid package outer end of the full liquid evaporimeter of the little temperature difference is provided with the freezing point mirror and surveys device, and the package outer wall is provided with the freezing point heater; The inlet of the full liquid package of the full liquid evaporimeter of the little temperature difference pumps the mouth of a river with thermal source and is connected; The package condenser is provided with hot water backwater's mouth and hot water outlet, and hot water backwater's mouth is connected with the partial load pump delivery port by pipeline.
Heat source tower heat pump of the present invention, be efficient water vaporation cooling refrigeration machine summer, be the high efficiency and broad band Frostless air-source heat pump winter, realizes cold-heat air-conditioning, water-heating three alliances, a machine three-use.
Summer refrigeration, closed type heat source tower is converted to cooling tower, have traditional cooling tower more than two times in amount of cooling water, cooling water temperature is low, refrigerating efficiency is higher than traditional water vaporation cooling refrigeration.
Winter heat supply, thermal source tower are the frostless low level heat energy absorber in high efficiency broadband, for heat pump provides regenerative resource, and energy-conserving and environment-protective.Under auxiliary thermal source conditions such as no boiler, the guest room heating temperature can reach 30 ℃.
The domestic hot-water, heat source tower heat pump domestic hot-water thermal source can be realized 100% cold recovery from chamber air-conditioning waste heat, and free summer domestic hot-water is provided, winter, domestic hot-water's thermal source came the thermal source tower, satisfied domestic hot-water's demand.
The present invention uses in " low temperature and high relative humidity " area (areas to the south, for example Chinese Yangtze river basin) and not limited by areal geology and environmental condition, thereby has wide range of applications.Comprehensive economic performance is higher than mixing source, source, ground, southern rock stratum heat pump, to improving southern area building air conditioner effect, and energy-saving and emission-reduction, significant.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
With reference to accompanying drawing, present embodiment is mainly combined by Cooling and Heat Source absorption equipment closed type heat source tower A and low level heat source lifting means low heat heat pump B;
Described closed type heat source tower A comprises that the thermal source tower safeguards framework A1, and the thermal source tower safeguards that framework A1 comprises tower body framework A1-1, and tower body framework A1-1 top is provided with chimney fan A1-2, and sidewall is provided with maintenance panel A1-3, maintenance panel A1-3 is provided with air intake grid A1-4; Be provided with the pneumatic system A2 of eddy flow that constitutes by variable speed electric motors, particularly control device A2-1, oblique fire eddy flow blower fan A2-2 among the chimney fan A1-2; The thermal source tower is safeguarded and is provided with the low temperature broadband heat exchanger A3 that is made of broadband fin A3-1, heat exchanger tube A3-2 in the framework A1, the inlet A3-3 of low temperature broadband heat exchanger A3 links to each other by the liquid outlet B2-4 of pipeline with the full liquid package B2-1 of the full liquid evaporimeter B2 of the little temperature difference, and the liquid outlet A3-4 of low temperature broadband heat exchanger A3 links to each other by the inlet B2-3 of pipeline with the full liquid package B2-1 of the full liquid evaporimeter B2 of the little temperature difference; On described two connecting pipes, be provided with solution expansion drum 7, the upper inlet of described solution expansion drum 7 is connected with the pipeline of the liquid outlet B2-4 of the full liquid package B2-1 of the full liquid evaporimeter B2 of the little temperature difference with the inlet A3-3 that is connected low temperature broadband heat exchanger A3 by pipeline, the lower part outlet of described solution expansion drum 7 is connected by the import of pipeline with thermal source pump 8, the outlet of thermal source pump 8 is connected with the inlet A3-3 of low temperature broadband heat exchanger A3, and thermal source pump 8 is positioned on the pipeline of inlet B2-3 of full liquid package B2-1 of the liquid outlet A3-4 that connects low temperature broadband heat exchanger A3 and the full liquid evaporimeter B2 of the little temperature difference; Heat exchanger A3 top in low temperature broadband is provided with the vapor-liquid separation A4 that is made of oblique flow refraction separator A4-1 and oblique fire cyclone separator A4-2; Heat exchanger A3 below in low temperature broadband is provided with the condensate water piece-rate system A5 that is made of drip tray A5-1, condensate water control device A5-2 and solution control valve A5-3; Also be provided with the anti-defrosting system A6 of the negative temperature that constitutes by solution pool A6-1, spray pump control device A6-2, spray thrower A6-3, spray thrower A6-3 is positioned at heat exchanger A3 top, low temperature broadband, vapor-liquid separation A4 below, solution pool A6-1 is positioned at the thermal source tower and safeguards framework A1 below;
Described low heat heat pump comprises the wide operating mode screw compressor system B1 that is made of helical-lobe compressor B1-1, automatic oil eliminator B1-2 and overtemperature bubbler B1-3; Helical-lobe compressor B1-1 is communicated with by the full liquid package B2-1 of pipeline with the full liquid evaporimeter B2 of the little temperature difference, and the full liquid evaporimeter B2 of the little temperature difference is made of full liquid package B2-1 and fluid level control device B2-2; The automatic oil eliminator B1-2 of screw compressor system B1 is communicated with the condensation package B3-1 of package condenser B3 by pipeline, and package condenser B3 is provided with hot backwater import B3-2 and hot water outlet B3-3, and hot water return pipeline is provided with partial load pump; The condensation package B3-1 of package condenser B3 links to each other with the device for drying and filtering B4-2 of wideband electronic expansion system B4, and the broadband throttling arrangement B4-1 of wideband electronic expansion system B4 is communicated with by the full liquid package B2-1 of pipeline with the full liquid evaporimeter B2 of the little temperature difference; Oil catcher B5-1, siphon oil return apparatus B5-2 and heater B5-3 constitute low temperature forced oil return system B5, and oil catcher B5-1 is communicated with the full liquid package B2-1 of the full liquid evaporimeter B2 of the little temperature difference; Be provided with the freezing point mirror in the full liquid package B2-1 outer end of the full liquid evaporimeter B2 of the little temperature difference and survey device B6-1, the shell outer wall is provided with freezing point heater B6-2; The inlet B2-3 of the full liquid package B2-1 of the full liquid evaporimeter B2 of the little temperature difference is communicated with the delivery port of thermal source pump 8; Package condenser B3 is provided with hot water backwater's mouth B3-2 and hot water outlet B3-3, and hot water backwater's mouth B3-2 is connected by the delivery port of pipeline with partial load pump 9.
Among Fig. 1, the medium (solution or water) during direction indication equipment operation shown in the other hollow arrow of pipeline flows to, and the refrigeration working medium of direction indication shown in the filled arrows (cold-producing medium) flows to.
Operation principle:
(1) air low temperature position thermal source outer circulation loop
" low temperature and high relative humidity " air in the pneumatic system A2 bumpy weather of the eddy flow of closed type heat source tower A, make " low temperature and high relative humidity " air safeguard framework A1 bottom from the thermal source tower, by air intake grid A1-4, enter low temperature broadband heat exchanger A3, the broadband fin A3-1 of low temperature broadband heat exchanger A3 passes to heat exchanger tube A3-2 with sensible heat and latent heat, pass to the interior circulation solution of pipe by the tube wall of heat exchanger tube A3-2 again, as source heat pump heat, discharge the sensible heat between formation broadband fin A3-1 heat-transfer area and the surrounding air and the exchange of latent heat then via vapor-liquid separation A4.
(2) closed circuit in the low level heat source solution
The low temperature circulation solution of expiring liquid evaporimeter B2 from the little temperature difference of low heat heat pump B, enter the low temperature broadband heat exchanger A3 of closed type heat source tower A, acquisition is lower than environment temperature 2-3 ℃ solution, enter the full liquid evaporimeter B2 of the little temperature difference of low heat heat pump B, discharge the thermal source of low potential temperature sensible heat source as low heat heat pump B.
(3) load side heat supply closed circuit
The full liquid evaporimeter B2 of the little temperature difference of low heat heat pump B absorbs the low level heat source from closed type heat source tower A, promoting through wide operating mode screw compressor system B1 is high potential temperature heat, enter package condenser B3 and discharge " latent heat ", take away the high potential temperature heat of package condenser B3 to the heat supply of air-conditioning place by load side recirculated water.
(4) " latent heat " thermal source condensate water control loop
When ambient air temperature is higher than more than 1.0 ℃, relative air humidity is bigger, " latent heat " content height, the low temperature broadband heat exchanger A3 of the closed type heat source tower A airborne large quantity of moisture that condensed when carrying out heat exchange, condensate water piece-rate system A5 can discharge the moisture that condenses automatically.
(5) spray frost prevention control loop
When ambient air temperature is lower than below 1.0 ℃, relative air humidity is less, closed type heat source tower A meets cold for preventing humid air, the heat exchanger A3 frosting of low temperature broadband, the anti-defrosting system A6 of negative temperature controls requirement according to design temperature, and automatic spray environmental protection anti-freezing solution reduces low temperature broadband heat exchanger A3 surface freezing point, anti-freezing solution after the dilution treats after the low thermoperiod that spray concentrates or adopt reverse osmosis concentrated compression apparatus to concentrate certainly.
Claims (1)
1. a heat source tower heat pump is characterized in that, is mainly combined by Cooling and Heat Source absorption equipment closed type heat source tower and low level heat source lifting means low heat heat pump;
Described closed type heat source tower comprises that the thermal source tower safeguards framework, and the thermal source tower safeguards that framework comprises the tower body framework, and the tower body frame roof is provided with chimney fan, and sidewall is provided with maintenance panel, and the tower body base of frame is provided with air intake grid; Be provided with the pneumatic system of eddy flow that constitutes by variable speed electric motors, particularly control device, oblique fire eddy flow blower fan in the chimney fan; The thermal source tower is safeguarded and is provided with the low temperature broadband heat exchanger that is made of broadband fin, heat exchanger tube in the framework, the inlet of low temperature broadband heat exchanger links to each other by the liquid outlet of pipeline with the full liquid package of the full liquid evaporimeter of the little temperature difference of low heat heat pump, and the liquid outlet of low temperature broadband heat exchanger links to each other by the inlet of pipeline with the full liquid package of the full liquid evaporimeter of the little temperature difference; Be provided with the solution expansion drum on described two connecting pipes, the upper inlet of described solution expansion drum is connected with the full liquid evaporimeter drain pipe of the little temperature difference; The lower part outlet of described solution expansion drum is connected with the thermal source pump inlet by pipeline, the thermal source pump discharge is connected with the inlet of low temperature broadband heat exchanger, and the thermal source pump is positioned on the pipeline of inlet of full liquid package of the liquid outlet that connects low temperature broadband heat exchanger and the full liquid evaporimeter of the little temperature difference; Heat exchanger top, thermal source tower low temperature broadband is provided with the vapor-liquid separation that is made of oblique flow refraction separator and oblique fire cyclone separator; Heat exchanger below, low temperature broadband is provided with the condensate water piece-rate system that is made of drip tray, condensate water control device and solution control valve; Also be provided with the anti-defrosting system of the negative temperature that is made of solution pool, spray pump control device, spray thrower, spray thrower is positioned at heat exchanger top, low temperature broadband, the vapor-liquid separation top, and solution pool is positioned at the thermal source tower and safeguards frame underneath;
Described low heat heat pump comprises by helical-lobe compressor and the automatic wide operating mode screw compressor system that constitutes of oil eliminator and overtemperature bubbler; Helical-lobe compressor is communicated with by the full liquid package of working medium pipeline with the full liquid evaporimeter of the little temperature difference, and the full liquid evaporimeter of the little temperature difference is made of full liquid package and fluid level control device; The automatic oil eliminator of wide operating mode screw compressor system is communicated with the condensation package of package condenser by the working medium pipeline, the condensation package of package condenser links to each other with the device for drying and filtering of wideband electronic expansion system, and the broadband throttling arrangement of wideband electronic expansion system is communicated with by the full liquid package of pipeline with the full liquid evaporimeter of the little temperature difference; The above-mentioned low heat source pump working medium circulation work done part that connected and composed; Oil catcher, siphon oil return apparatus and heater constitute low temperature forced oil return system, and oil catcher is communicated with the full liquid package of the full liquid evaporimeter of the little temperature difference; The full liquid package outer end of the full liquid evaporimeter of the little temperature difference is provided with the freezing point mirror and surveys device, and the package outer wall is provided with the freezing point heater; The inlet of the full liquid package of the full liquid evaporimeter of the little temperature difference pumps the mouth of a river with thermal source and is connected; The package condenser is provided with hot water backwater's mouth and hot water outlet, and hot water backwater's mouth is connected with the partial load pump delivery port by pipeline.
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| CN200810031355A CN100580342C (en) | 2008-05-21 | 2008-05-21 | Heat source tower heat pump |
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| CN200810031355A CN100580342C (en) | 2008-05-21 | 2008-05-21 | Heat source tower heat pump |
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| CN101270941A true CN101270941A (en) | 2008-09-24 |
| CN100580342C CN100580342C (en) | 2010-01-13 |
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