CN103398430A - Heat-pump-type fresh air handing unit for waste heat recovery - Google Patents
Heat-pump-type fresh air handing unit for waste heat recovery Download PDFInfo
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- CN103398430A CN103398430A CN2013103507865A CN201310350786A CN103398430A CN 103398430 A CN103398430 A CN 103398430A CN 2013103507865 A CN2013103507865 A CN 2013103507865A CN 201310350786 A CN201310350786 A CN 201310350786A CN 103398430 A CN103398430 A CN 103398430A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
A heat-pump-type fresh air handing unit for waste heat recovery belongs to the field of air conditioning, and at least comprises a fresh air filter, a total heat recovery unit, a heat exchanger I, an evaporator, a condensate water tank, a heat exchanger II, an electric by-pass valve, an air blower, a return air filter, a compressor, a four-way reversing valve, a condensate pump, a rotating nozzle, a condenser, an expansion valve and an exhaust fan; the total heat recovery unit is used to recover primary energy; heat pipes are used for realizing the transfer of the fresh air energy so as to reduce burden of the evaporator; the condensed water is sprayed in the condenser so as to realize evaporative cooling and heat exchange. The heat-pump-type fresh air handing unit has the characteristics of high waste heat recovery efficiency and high heat pump unit operating efficiency.
Description
Technical field
The present invention relates to a kind of fresh air processor group, particularly relate to the new blower fan group of a kind of heat-pump-type waste heat recovery.
Background technology
Along with Global Greenhouse Effect and energy crisis more and more serious, international community extremely payes attention to energy-saving and emission-reduction.Current, air conditioning energy consumption has become the rich and influential family of building energy consumption, and usually new wind is processed energy consumption and accounted for 30% of total energy consumption, but in air humidity than big city, new wind is processed energy consumption and is accounted for 50% of total energy consumption.Therefore, along with the lifting of building energy conservation and quality of the life, particularly urgent to the developmental research of fresh air handining unit power-saving technology.
At present, the conventional new blower fan group of heat-pump-type mainly has the following disadvantages:
Condenser dispels the heat with water-cooled or air-cooled mode, is not very desirable in view of economy and condensation effect;
Indoor return air residual heat organic efficiency is not very high;
The serious waste of building cryogenic condensation water.
Evaporimeter is processed heat, the humidity load task weight of new wind.
Therefore, design a kind of efficient fresh air treatment system and become those skilled in the art's technical barrier in the urgent need to address.
Summary of the invention
Purpose of the present invention is exactly to solve some problems that exist in prior art, and the new blower fan group of a kind of waste heat recovery efficiency height and source pump high efficiency is provided.
To achieve these goals, the following technical scheme of employing of the present invention.
The present invention is the new blower fan group of a kind of heat-pump-type waste heat recovery: it comprises new wind passage and the air exhaust passage that is arranged side by side, the co-flow of new wind and air draft; New blower fan and exhaust blower are separately positioned on the exit of new wind passage and air exhaust passage; It also comprises new wind filter, return air filter, full heat recovery device, heat pipe, heat pump and condensed water part at least; In figure, solid line represents wind pipeline or refrigeration working medium flow duct, and dotted line represents the condensed water pipeline that flows.
Described new wind filter and return air filter are separately positioned on the porch of new wind and indoor return air, realize the primarily efficient filter to new wind and indoor return air.
Described full heat recovery device is connected to newly, after return air filter, realize heat, the matter exchange of new wind and indoor return air.
Described heat pipe belongs to separate heat pipe, is arranged in new wind passage, heat exchanger one, heat exchanger two and tube connector three parts, consists of; After wherein heat exchanger one is arranged on full heat recovery device, after heat exchanger two is arranged on evaporimeter, connect by tube connector between in two.
Described heat pump comprises compressor, four-way change-over valve, condenser, expansion valve and evaporimeter at least; Described compressor, condenser, expansion valve, evaporimeter are connected and are connected with four-way change-over valve; Described evaporimeter is arranged in new wind passage, and is placed between heat exchanger one and heat exchanger two; Described condenser is arranged in return air channel, is placed between total-heat exchanger and exhaust blower.
Described condensed water part comprises drip tray, condensation water tank, condensate pump and rotary nozzle at least; Described water receiving tank one, water receiving tank two, water receiving tank three and room conditioning condensed water come together in condensation water tank, then by the condensate pump injection in rotary nozzle, last condensed water collects in water receiving tank four, outside condensate pipe discharge machine; Described water receiving tank one is arranged on heat exchanger one bottom, and water receiving tank two is arranged on the evaporimeter bottom, and water receiving tank three is arranged on heat exchanger two bottoms, and water receiving tank four is arranged at condenser;
After adopting such scheme, compare with the utility model patent that application number is 201220527533.1, the utility model adopts full heat recovery device to process new wind and return air, return air is carried out energy to be reclaimed, and the heat pipe that adopts, in the same side of new wind passage, has been realized the transfer to novel wind energy, has alleviated the work load of evaporimeter, improve the operating efficiency of heat pump, more had practicality.In addition, indoor return air of the present invention first passes through total-heat exchanger rising temperature, dried, the wet-bulb depression of return air are increased, then enter the evaporative cooling that participates in condensed water in condenser, its better effects if, and adopt in a large number room conditioning cryogenic condensation water water source as a supplement, make the evaporative cooling process can continue to carry out.
Description of drawings
Fig. 1 is summer operation schematic diagram of the present invention;
Fig. 2 is winter operation schematic diagram of the present invention.
Reference numeral: new wind entrance 1; New wind filter 2; Full heat recovery device 3; Heat exchanger 1; Water receiving tank 1; Tube connector 6; Evaporimeter 7; Water receiving tank 28; Condensation water tank 9; Condensation bypass pipe 10; Heat exchanger 2 11; Water receiving tank 3 12; Electronic by-passing valve 13; Pressure fan 14; Indoor condensed water 15; Return air entrance 16; Return air filter 17; Compressor 18; Four-way change-over valve 19; Condensate pump 20; Rotary nozzle 21; Condenser 22; Water receiving tank 4 23; Expansion valve 24; Condensation-water drain 25; Exhaust blower 26.
The specific embodiment
The present invention is further illustrated below in conjunction with concrete the drawings and specific embodiments.
As shown in Figure 1, the present invention is the new blower fan group of a kind of heat-pump-type waste heat recovery, and it comprises air-treatment part, heat pump part and condensed water part.
The air-treatment part comprises at least: new wind filter 2, full heat recovery device 3, heat exchanger 1, tube connector 6, heat exchanger 2 11, electronic by-passing valve 13, pressure fan 14, return air filter 17, exhaust blower 25.
The heat pump part comprises at least: compressor 18, condenser 22, expansion valve 24, evaporimeter 7, four-way change-over valve 19.
The condensed water part comprises at least: water receiving tank 1, water receiving tank 28, water receiving tank 3 12, water receiving tank 4 23, condensation water tank 9, condensate pump 20, rotary nozzle 21.
Described new wind entrance 1, new wind filter 2, full heat recovery device 3, heat exchanger 1, evaporimeter 7, heat exchanger 2 11 and pressure fan 14 connect successively in new wind passage; Evaporimeter 7, electronic by-passing valve 13, pressure fan 14 connect successively.
Described separate heat pipe has three parts to form, i.e. heat exchanger 1, tube connector 6, heat exchanger 2 11, and connect successively.
Described return air entrance 16, return air filter 17, full heat recovery device 3, condenser 22, exhaust blower 26 connect successively.
Described compressor 18, condenser 22, expansion valve 24, evaporimeter 7, four-way change-over valve 19 connect successively.
Described water receiving tank 1, water receiving tank 28, water receiving tank 3 12, indoor condensed water 15 are connected with condensation water tank 9 respectively; One end of condensation water tank 9 is connected successively with condensate pump 20, rotary nozzle 21; The other end of condensation water tank 9 is connected successively with condensation bypass pipe 10, condensation-water drain 25; Water receiving tank 4 23 is connected successively with condensation-water drain 25.
Described water receiving tank 1 is arranged on the precool heat exchanger device 4 times, and water receiving tank 28 is arranged on evaporimeter 7 times, and water receiving tank 3 12 is arranged on preheating heat exchanger 11 times, and water receiving tank 4 23 is arranged at condenser 22 times.
Operation principle of the present invention is as follows.
(1) heat pipe operation principle
In summer, the liquid refrigerant in heat exchanger 1 is because Action of Gravity Field accumulates in bottom, and new distinguished and admirable during through its bottom when outdoor high temperature, inner liquid refrigerant just is subjected to thermal evaporation, and overpressure is increased, and steam flows to top; The high steam that absorbs heat in heat exchanger 1 flows to the top of low pressure heat exchanger 2 11 through tube connector 6, because the new air temperature on heat exchanger 2 11 tops of flowing through is lower, steam absorbs heat in heat exchanger 2 11, be condensed into liquid, then accumulate in the bottom of heat exchanger 2 11 due to Action of Gravity Field, finally by the bottom of tube connector inflow heat exchanger 1, circular flow.
In the winter time, gaseous working medium accumulates in the top of heat exchanger 1, because the new air temperature on heat exchanger one 4 tops of flowing through is lower, working substance steam is by the condensation of the new wind of low temperature institute, become liquid refrigerant, the top from heat exchanger 1 under Action of Gravity Field accumulates to its bottom, then through tube connector, gets back to the bottom of heat exchanger 2 11, new distinguished and admirable through its bottom due to high temperature, liquid working medium is subjected to thermal evaporation, becomes steam, and pressure raises, get back to the top of heat exchanger 1, circular flow.
This process constantly circulates, and, constantly with the heat in new wind (summer) or cold (winter) transfer back and forth, has reduced the work load of evaporimeter or condenser, has improved the operating efficiency of heat pump, has realized energy-conservation purpose.
(2) evaporative cooling operation principle
In summer, out unsaturated indoor return when condenser 22, contacts with the condensed water under rotary nozzle 21 sprays from full-heat-exchange equipment 3, due to the partial pressure of steam in the return air partial pressure less than steam in condensed water, condensate evaporation.The condensation evaporation of water need to absorb the heat of high temperature that a large amount of refrigeration working mediums discharges, and is evaporated to steam, and then steam is discharged by exhaust blower with return air.
Show through relevant research, the evaporative cooling heat transfer effect will be far above air-cooled and water-cooled, moreover condensate temperature of the present invention is relatively low, can increase substantially the refrigerating efficiency of heat pump, realizes energy-efficient.
(3) operation condition in summer
Referring to Fig. 1, outdoor new wind 1 both enters in full-heat-exchange equipment 3 and carries out the caloic exchange after passing through respectively new wind filter 2 and return air filter 17 primarily efficient filters with indoor return air 16, and new air temperature is reduced, and return air temperature raises; Out new wind is through after heat exchanger 1 from full-heat-exchange equipment 3, and temperature reduces again, and then new wind enters in evaporimeter 7, and the processing that further is cooled, reach mechanical dew point; The new wind of low temperature after processing enters in heat exchanger 2 11 and is heated to wind pushing temperature (if the new air temperature of processing through heat exchanger 2 11 is when setting value, electronic by-passing valve 13 can be according to setting value automatic regulating valve door aperture, make the state of new wind reach setting value), by pressure fan 14, the new wind that reaches ventilation state is sent into air-conditioned room finally.
Return air temperature after full-heat-exchange equipment 3 is processed raises, and then enters in condenser 22; Cryogenic condensation water return air sprays with rotary nozzle 21 in condenser 22 under carries out the caloic exchange, and the absorptive condenser heat, discharge outdoor by exhaust blower finally.
The condensed water that water receiving tank 1, water receiving tank 28, water receiving tank 3 12 and indoor condensed water are 15 li is pooled in condensation water tank 9, and then condensed water, by sending in rotary nozzle 21 after condensate pump 20 pressurizations, sprays on condenser coil more finally equably.
(4) winter operation operating mode
Referring to Fig. 2, when the present invention moved in the winter time, heat pump, by the commutation effect of four-way change-over valve, took a turn for the worse refrigerant flow direction.In Fig. 1, the evaporimeter 7 of heat pump and condenser 22 become respectively condenser 7 and the evaporimeter 22 of heat pump in Fig. 2.
After outdoor new wind 1 passes through respectively new wind filter 2 and return air filter 17 primarily efficient filters with indoor return air 16, both enter in full-heat-exchange equipment 3 and carry out the caloic exchange, thereby new air temperature is raise, return air temperature reduces; Out new wind is through after heat exchanger 1 from full-heat-exchange equipment 3, and temperature raises again, and then new wind enters in condenser 7, further is warmed processing; The new wind of high temperature after processing enters in heat exchanger 2 11 and is cooled to wind pushing temperature (if the new air temperature of processing through heat exchanger 2 11 is when setting value, electronic by-passing valve 13 can be according to setting value automatic regulating valve door aperture, make the state of new wind reach setting value), by pressure fan 14, the new wind that reaches ventilation state is sent into air-conditioned room finally.
Return air temperature after full-heat-exchange equipment 3 is processed reduces, and then enters in evaporimeter 22; Be absorbed heat in evaporimeter 22, temperature reduces, and discharges outdoor by exhaust blower finally.
The condensed water that water receiving tank 1, water receiving tank 28, water receiving tank 3 12 and indoor condensed water are 15 li is pooled in condensation water tank 9, and condensed water is discharged from condensation-water drain through condensation bypass pipe 10 again, and condensate pump quits work.
(5) operating mode of excessively ventilating season
Heat pump, chilled water system and heat pipe quit work; After new wind and return air carried out the caloic exchange, new wind was directly sent into indoor by pressure fan; Full-heat-exchange equipment 3 also quits work, and realizes the all-fresh air air-supply.
The various embodiments described above only are used for explanation the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (6)
1. new blower fan group of heat-pump-type waste heat recovery: it comprises new wind passage and the air exhaust passage that is arranged side by side, and new wind and air draft co-flow; New blower fan and exhaust blower are separately positioned on the exit of new wind passage and air exhaust passage; It also comprises new wind filter, return air filter, full heat recovery device, heat pipe, heat pump and condensed water part at least.
2. the new blower fan group of a kind of heat-pump-type described according to right 1 waste heat recovery is characterized in that: new wind filter and return air filter are separately positioned on the porch of new wind and return air, for the primarily efficient filter to new wind and indoor return air.
3. the new blower fan group of a kind of heat-pump-type described according to right 1 waste heat recovery is characterized in that: full heat recovery device is connected to newly, after return air filter, realized heat, matter exchange with indoor return air.
4. the new blower fan group of a kind of heat-pump-type described according to right 1 waste heat recovery, it is characterized in that: heat pipe belongs to separate heat pipe, is arranged in new wind passage, heat exchanger one, heat exchanger two and tube connector three parts, consists of; After wherein heat exchanger one is arranged on full heat recovery device, after heat exchanger two is arranged on evaporimeter, connect by tube connector between in two.
5. the new blower fan group of a kind of heat-pump-type described according to right 1 waste heat recovery is characterized in that: the condensed water part comprises drip tray, condensation water tank, condensate pump and rotary nozzle at least; Described water receiving tank one, water receiving tank two, water receiving tank three and room conditioning condensed water come together in condensation water tank, then by the condensate pump injection in rotary nozzle, last condensed water collects in water receiving tank four, outside condensate pipe discharge machine; Described water receiving tank one is arranged on heat exchanger one bottom, and water receiving tank two is arranged on the evaporimeter bottom, and water receiving tank three is arranged on heat exchanger two bottoms, and water receiving tank four is arranged at condenser.
6. the new blower fan group of a kind of heat-pump-type described according to right 1 waste heat recovery, it is characterized in that: evaporimeter is arranged in new wind passage, and is placed between heat exchanger one and heat exchanger two; Condenser is arranged in return air channel, is placed between total-heat exchanger and exhaust blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103507865A CN103398430A (en) | 2013-08-13 | 2013-08-13 | Heat-pump-type fresh air handing unit for waste heat recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103507865A CN103398430A (en) | 2013-08-13 | 2013-08-13 | Heat-pump-type fresh air handing unit for waste heat recovery |
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| CN103398430A true CN103398430A (en) | 2013-11-20 |
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| CN2013103507865A Pending CN103398430A (en) | 2013-08-13 | 2013-08-13 | Heat-pump-type fresh air handing unit for waste heat recovery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276736A (en) * | 2015-11-25 | 2016-01-27 | 南通华信中央空调有限公司 | Heat pump type total heat recovery new-air air conditioning unit with condensation reheating function |
| CN105627470A (en) * | 2015-12-30 | 2016-06-01 | 同济大学 | Air conditioning unit based on supercooling and reheating |
| CN107588482A (en) * | 2017-09-30 | 2018-01-16 | 青岛海尔空调电子有限公司 | Double-cold source fresh air handling unit |
| CN108731139A (en) * | 2017-04-20 | 2018-11-02 | 华北电力大学（保定） | A kind of fresh air ventilator having both dedusting and intelligent humidity control function |
| CN110645667A (en) * | 2019-10-30 | 2020-01-03 | 重庆大学 | Heat pump fresh air fan system with condensed water heat recovery function |
| CN114279009A (en) * | 2021-12-10 | 2022-04-05 | 臣功(北京)科技有限公司 | Heat pump hot air unit based on return air waste heat recovery |
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| WO2005075896A1 (en) * | 2004-02-06 | 2005-08-18 | J.E. Stork Ventilatoren B.V. | Method and apparatus for cooling ventilation air to be supplied to a space |
| EP1731846A1 (en) * | 2005-06-09 | 2006-12-13 | Drexel und Weiss Energieeffiziente Haustechniksysteme GmbH | Ventilation and heating arrangement for buildings |
| CN201368542Y (en) * | 2008-12-20 | 2009-12-23 | 施丽川 | Heat-pipe type fresh air dehumidifier |
| CN102906509A (en) * | 2010-04-23 | 2013-01-30 | 乐金华奥斯株式会社 | Ventilation device for windows with heat pipe |
| CN203068741U (en) * | 2012-12-03 | 2013-07-17 | 上海耘和空调科技有限公司 | Heat recovery air conditioning unit |
| CN203501340U (en) * | 2013-08-13 | 2014-03-26 | 朱军 | Heat pump type afterheat recovery fresh air handling unit |
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| WO2005075896A1 (en) * | 2004-02-06 | 2005-08-18 | J.E. Stork Ventilatoren B.V. | Method and apparatus for cooling ventilation air to be supplied to a space |
| EP1731846A1 (en) * | 2005-06-09 | 2006-12-13 | Drexel und Weiss Energieeffiziente Haustechniksysteme GmbH | Ventilation and heating arrangement for buildings |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276736A (en) * | 2015-11-25 | 2016-01-27 | 南通华信中央空调有限公司 | Heat pump type total heat recovery new-air air conditioning unit with condensation reheating function |
| CN105276736B (en) * | 2015-11-25 | 2018-05-22 | 南通华信中央空调有限公司 | A kind of heat pump type total heat recovering fresh air air-conditioner set of band condensation reheating |
| CN105627470A (en) * | 2015-12-30 | 2016-06-01 | 同济大学 | Air conditioning unit based on supercooling and reheating |
| CN105627470B (en) * | 2015-12-30 | 2018-07-03 | 同济大学 | A kind of air-conditioner set based on supercooling reheating |
| CN108731139A (en) * | 2017-04-20 | 2018-11-02 | 华北电力大学（保定） | A kind of fresh air ventilator having both dedusting and intelligent humidity control function |
| CN107588482A (en) * | 2017-09-30 | 2018-01-16 | 青岛海尔空调电子有限公司 | Double-cold source fresh air handling unit |
| CN110645667A (en) * | 2019-10-30 | 2020-01-03 | 重庆大学 | Heat pump fresh air fan system with condensed water heat recovery function |
| CN114279009A (en) * | 2021-12-10 | 2022-04-05 | 臣功(北京)科技有限公司 | Heat pump hot air unit based on return air waste heat recovery |
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Application publication date: 20131120 |