CN106440314A - Central air-conditioning condensed water recovery system and method - Google Patents
Central air-conditioning condensed water recovery system and method Download PDFInfo
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- CN106440314A CN106440314A CN201610947391.7A CN201610947391A CN106440314A CN 106440314 A CN106440314 A CN 106440314A CN 201610947391 A CN201610947391 A CN 201610947391A CN 106440314 A CN106440314 A CN 106440314A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 488
- 238000004378 air conditioning Methods 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000009833 condensation Methods 0.000 claims description 65
- 230000005494 condensation Effects 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 38
- 230000003020 moisturizing effect Effects 0.000 claims description 12
- 230000004941 influx Effects 0.000 claims description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 12
- 238000013459 approach Methods 0.000 description 11
- 239000003643 water by type Substances 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 8
- 238000007791 dehumidification Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- 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]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
Abstract
The invention provides a central air-conditioning condensed water recovery system. The system comprises a fresh air unit, a main heat exchanger, a precooling heat exchanger, a water basin, a water storage pond, a water chilling unit, a heat pump, a hot water tank and a water replenishing tank, wherein condensed water drained from the main heat exchanger and the precooling heat exchanger is sent to the water storage pond after passing through the water basin; the condensed water in the water storage pond is pumped to a current divider; and through controlling the current divider, the condensed water can directly undergo heat exchange through the water chilling unit and then enter the precooling heat exchanger, or the condensed water is divided into the heat pump to under heat exchange with the hot water in the hot water tank and then is pumped into the precooling heat exchanger after being mixed through a converging device. The system is capable of intelligently selecting the circulating path of the condensed water according to temperature of the hot water in the hot water tank, so as to achieve the aim of efficiently recovering the cooling capacity in the condensed water. The invention furthermore provides a central air-conditioning condensed water recovery method which has the effects of realizing the efficient cyclic utilization of the cooling capacity and heat in the condensed water and ensuring the efficient recovery of the cooling capacity and heat in the condensed water.
Description
Technical field
The invention belongs to air conditioner technical field is and in particular to a kind of central air-conditioning condensation water recovery system and method.
Background technology
In a large number using fan coil, air-treatment unit and Fresh air handing unit, these set for the end of central air conditioner system
Chilled water in standby heat exchanger can produce a large amount of 16 during carrying out cool-down dehumidification process to room air and outdoor fresh air
DEG C about condensation at low temperature water, the condensed water that existing air conditioning system produces is all directly naturally to be emitted by condensate pipe,
Cold contained by condensation at low temperature water and latent heat are not all obtained by, and cause obvious energy waste.
In order to reclaim contained cold in condensed water, scientific worker both domestic and external has been also carried out substantial amounts of research at present.
For example：The Chinese patent of Publication No. CN201497125U discloses " a kind of air conditioner condensate water reclamation device and air-conditioner
Refrigeration system ", makes the cold-producing medium in the condensed water and air-conditioning refrigeration system that air-conditioner produces in process of refrigerastion recycle
Carry out heat exchange in device, reduce the temperature of cold-producing medium further.Thus, the circulation by cold-producing medium for the refrigerating capacity of condensed water can be made
Again take back interior, reduce the temperature of room air；Meanwhile, the condensation temperature of outdoor condenser can be effectively reduced, reduce
The power consumption of air-conditioning；Thus greatly improve the refrigeration season energy resource consumption efficiency of air-conditioner and annual energy resource consumption efficiency.But
This device is limited larger by air conditioner structure layout, is only applicable to small-sized Domestic separating air-conditioning, produces for central air-conditioning
The big air-conditioning of the condensed water water yield is simultaneously inapplicable.
The Chinese patent application of Publication No. CN103185391A disclose " a kind of condensate water heat recovery system and using should
The central air conditioner system of system ", this patent application utilizes system by condensed water heat recovery cycle, by produced by air conditioning system
Condensation water collection, in condensing hot air furnace water tank, after the pressurization of condensate water circulatory pump, is re-fed into the pre- place of Fresh air handing unit
35 DEG C of fresh airs of outdoor feeding are carried out pre- cooling process using 16 DEG C about of condensation at low temperature water by reason surface cooler, locate through pre-
Fresh air after reason is carried out lowering the temperature by master meter cooler again, dehumidification treatments, and condensed water emits after the heat absorbing fresh air again, can
Fully reclaim the cold contained by condensed water, it is to avoid the waste of cold, reduce the refrigeration duty of air conditioning system simultaneously, reduce electric power and disappear
Consumption, energy saving.But this condensate water heat recovery system is that condensed water is simply collected circulation, then passes through 16 DEG C of left sides
Right condensation at low temperature water carries out pre- cooling process to 35 DEG C of fresh airs of outdoor feeding, but because 16 DEG C of condensate temperature is inclined
Height, the effect of process that 35 DEG C of fresh airs are lowered the temperature in advance is limited, and has simply reclaimed the part cold in condensed water, in condensed water
Latent heat does not have effectively utilizes.
In addition, normal mounting has some public places such as hotel, restaurant, office space etc. of central air-conditioning, need 24 again
Hour provides 55～60 degree of domestic water, being used for clothes etc. of washing one's face and rinsing one's mouth, wash the dishes or do washing, and these domestic waters are typically all logical
Cross that gas, electricity etc. are heated or boiler is produced, need to consume the substantial amounts of energy.If can be by the condensation discharged in central air-conditioning
Heat is recycled, and not only can reduce the thermal pollution of environment, and is also a kind of effective conservation measures.Particularly China
Southern area summer refrigeration duty is big, and long for cool time, domestic hot-water's load is relatively small, creates for condensation pick up the heat
Good condition.
For solving the problems, such as prior art, the invention provides a kind of central air-conditioning condensation water recovery system, this is
System can select condensing hot air furnace path according to the temperature of hot water in boiler and water level automated intelligent, reaches high efficiente callback central authorities
The purpose of cold and heat in air conditioner condensate water.Present invention also offers a kind of central air-conditioning condensing hot air furnace method it is achieved that
In condensed water, the efficient circulation of cold and heat is using it is ensured that the high efficiente callback of condensed water cold and heat.
For realizing technique scheme, the present invention adopts following scheme, a kind of central air-conditioning condensation water recovery system, bag
Include：Least one set Fresh air handing unit, is respectively mounted main heat exchanger in described every group of Fresh air handing unit, described main heat exchanger side
Precool heat exchanger device is installed, the fresh air in Fresh air handing unit carries out heat exchange, institute with precool heat exchanger device and main heat exchanger successively
State every group of main heat exchanger and precool heat exchanger device condensation-water drain end is respectively mounted water accumulating disc, the condensation gathered in described every group of water accumulating disc
Water passes through pipe influx, and the system also includes tank, handpiece Water Chilling Units, heat pump, boiler and water supply tank, receives in each water accumulating disc
The condensed water of collection passes through pipe influx to tank, and the condensed water in tank is delivered to diverter by the first chilled water pump,
First outlet of described diverter is connected to the chilled water inlet of handpiece Water Chilling Units, and the chilled water outlet of described handpiece Water Chilling Units connects
Arrive the first water inlet of interflow device, the second outlet of described diverter is connected to the chilled water inlet of heat pump, the freezing of heat pump
Water out is connected to the second water inlet of interflow device, and the outlet of described interflow device is pre- with every group respectively by the second chilled water pump
The condensing water inlet end of cold heat exchanger connects, and the hot water outlet of described heat pump is connected to the water inlet of boiler, institute by pipeline
The first outlet stating boiler is directly used in hot water emission, and the second outlet of described boiler is connected by hot water circulating pump
To the hot water inlet of heat pump, the outlet of water supply tank is connected to the water supplement port of boiler by small pump.
The operation principle of the present invention is to carry out pre- cooling process using condensation at low temperature water to 35 DEG C of fresh airs of outdoor feeding, with
Reclaim the cold in condensation at low temperature water, simultaneously can also be by the latent heat in heat pump recovery condensed water as heating domestic water
Thermal source, to reclaim the latent heat in condensation at low temperature water, for this invention provides following three condensing hot air furnace approach：
1) when the hot water temperature in boiler maintains 55-60 DEG C, and when the hot water in boiler reaches setting liquid level,
Now, the hot water in boiler does not need to heat, and the condensed water collected from each group main heat exchanger and precool heat exchanger device enters storage
Behind pond, it is pumped in diverter by the first chilled water pump, the first outlet of diverter is opened and the second outlet is closed,
Condensed water fully enters handpiece Water Chilling Units, carries out heat exchange by condensation at low temperature water and cold-producing medium, reduce further in handpiece Water Chilling Units
The temperature of condensed water can be cooled to 7-8 DEG C by 16 DEG C by the temperature of condensed water, and the condensed water after cooling is subsequently by second
Chilled water pump is directly pumped into each group precool heat exchanger device, thus can make the circulation by cold-producing medium for the refrigerating capacity of condensed water
Reenter every group of precool heat exchanger device, and then take back interior, reduce the temperature of room air；Meanwhile, temperature is in 7-8 DEG C of condensation
Water carries out pre- cooling to fresh air, and its heat exchange efficiency carries out pre- cooling much larger than 16 DEG C of condensed waters to fresh air, under normal circumstances, 16 DEG C
Condensed water can by fresh air carry out pre- be cooled to 32 DEG C, and 7-8 DEG C of condensed water can by fresh air carry out pre- be cooled to 25-28 DEG C, fresh air
Temperature after pre- cooling is lower, then fresh air is during main heat exchanger heat exchange just can save more cold-producing mediums and power consumption；Thus
Reach energy-saving effect；
2) when the hot water temperature in boiler maintains 40-54 DEG C, now, the hot water in boiler needs to heat, heat
Water-circulating pump is opened, and opens the first outlet and second outlet of diverter simultaneously, and partial condensation water enters heat as thermal source
Pump, enters interflow device after heat exchange, the hot water in boiler is pumped into cycle heat exchange in heat pump, and in addition partial condensation water is via cold
Entrance interflow device after water set heat exchange, the partial condensation water after heat pump heat exchanging cooling and the part through handpiece Water Chilling Units cooling
After condensed water mixes in the device of interflow, directly it is pumped into the condensing water inlet of every group of precool heat exchanger device by the second chilled water pump
End, can be cooled to 12 DEG C because condensed water absorbs through heat pump after latent heat, the temperature of heat pump chilled water outlet is above cold water
The temperature of condensed water after set heat exchange,, after the device mixing of interflow, the temperature of condensed water about can maintain 7-11 DEG C, now for both
The effect of the pre- cooling of fresh air is compared the first situation and is reduced, cold-producing medium and power consumption phase that fresh air consumes when with main heat exchanger heat exchange
The first situation is raised, but the part latent heat having reclaimed in condensed water is used for heating domestic hot water.
3) when the hot water temperature in boiler is less than 40 DEG C, now, the hot water in boiler needs quick heating, hot water
Circulating pump is opened, and opens diverter second outlet and closes the first outlet, the condensed water in tank is all as thermal source
Enter heat pump so that the circulating hot water in boiler is rapidly heated to more than 55 DEG C.The now hot water heating rate in boiler
Accelerate, the condensate temperature in heat pump exit maintains 12 DEG C about, the effect of the pre- cooling of fresh air is deteriorated further, fresh air with
During main heat exchanger heat exchange, the cold-producing medium consuming and power consumption are further up.
Preferably, described boiler is provided with temperature sensor, the signal output part of described temperature sensor and first
The signal input part of feedback controller connects, and the signal output part of described first feedback controller is connected respectively to hot water circulating pump
And diverter.The effect of temperature sensor is the temperature of hot water sending to the first feedback controller in detection boiler, the
One feedback controller is according to first outlet and second in the temperature automatic control hot water circulating pump of hot water in boiler and diverter
The keying of outlet.
Preferably, described boiler is provided with liquid level sensor, the signal output part of described liquid level sensor and second
The signal input part of feedback controller connects, and the signal output part of described second feedback controller is connected respectively to small pump and conjunction
Stream device.The effect of liquid level sensor is the liquid level of hot water sending to the second feedback controller in detection boiler, and second is anti-
Present the keying according to the liquid automatic control small pump of hot water in boiler and interflow device for the controller.
Preferably, described heat pump is water-water heat pump.
Preferably, the outlet of described main heat exchanger and precool heat exchanger device is condensation water collection mouth, thus permissible
Realize the efficient circulation of whole condensed waters using it is ensured that the high efficiente callback of condensed water cold and heat.
Accordingly, present invention also offers a kind of central air-conditioning condensing hot air furnace method, following steps are specifically included：
S1, by main heat exchanger in central air-conditioning and precool heat exchanger device produce condensed water collected by water accumulating disc, each
The condensed water that water accumulating disc is collected passes through pipe influx to tank, eliminates the pressure between condensed water, flow and temperature in tank
Degree difference, forms equilibrium condensed water；
S2, the temperature according to hot water in boiler and water level automated intelligent select condensing hot air furnace path；
S21, when the hot water temperature that temperature sensor detects in boiler maintains 55-60 DEG C, and work as level sensing
When the hot water that device detects in boiler reaches setting liquid level, the second feedback controller controls small pump to cut out, the first feedback control
Device processed controls hot water circulating pump to cut out, and the first feedback controller opens diverter first outlet and cuts out diverter second water outlet
Mouthful, the condensed water in tank is directly pumped into every group of precool heat exchanger device via after handpiece Water Chilling Units heat exchange by the second chilled water pump
Condensing water inlet end；
S22, when liquid level sensor detect hot water in boiler be less than set liquid level when, the second feedback controller controls
Small pump is opened, water supply tank by boiler moisturizing to setting liquid level, if water supply tank by boiler moisturizing to set liquid level, temperature
The hot water temperature that degree sensor detects in boiler still maintains 55-60 DEG C, and the first feedback controller controls hot water circuit
Pump cuts out, and the first feedback controller controls to be opened diverter first outlet and close diverter second outlet, in tank
Condensed water entered by the condensed water that the second chilled water pump is directly pumped into every group of precool heat exchanger device via after handpiece Water Chilling Units heat exchange
Mouth end；If boiler moisturizing is extremely set liquid level by water supply tank, temperature sensor detects the hot water temperature's dimension in boiler
Hold at 40-54 DEG C, the first feedback controller controls hot water circulating pump to open, and opens diverter by the first feedback controller simultaneously
First outlet and the second outlet, partial condensation water enters heat pump as thermal source, enters interflow device, in boiler after heat exchange
Hot water is pumped into cycle heat exchange in heat pump, and in addition partial condensation water collaborates device via entrance after handpiece Water Chilling Units heat exchange, through overheated
Pump heat exchange cooling after partial condensation water and through handpiece Water Chilling Units cooling partial condensation water interflow device in mix after, by second
Chilled water pump is directly pumped into the condensing water inlet end of every group of precool heat exchanger device, until temperature sensor detects in boiler
Hot water temperature maintain 55-60 DEG C, the first feedback controller controls the second outlet of hot water circulating pump and diverter to cut out；
S23, when temperature sensor detects hot water temperature in boiler and is less than 40 DEG C, the first feedback controller controls
Hot water circulating pump is opened, and the first feedback controller opens diverter second outlet and cuts out the first outlet, tank simultaneously
Interior condensed water all enters heat pump as thermal source, quickly makes the circulating hot water in boiler be warming up to more than 55 DEG C, then
First feedback controller controls hot water circulating pump and the second outlet of diverter to cut out, and opens the first water outlet of diverter
Mouthful；
S3, the condensation water quantity that constantly circulation increases are reclaimed by tank overflow.
A kind of central air-conditioning condensation water recovery system and the having the beneficial effects that of method that the present invention provides：
(1) this central air-conditioning condensation water recovery system designs a plurality of condensing hot air furnace path, according to hot water in boiler
Temperature and water level automated intelligent select condensing hot air furnace path, when the hot water in boiler is not required to heating, condensed water warp successively
Cross tank, the first chilled water pump, diverter, handpiece Water Chilling Units, interflow device, the second chilled water pump, precool heat exchanger device, tank
Recovery approach, through the highly effective refrigeration of handpiece Water Chilling Units, the temperature of condensed water is cooled to 7-8 DEG C by 16 DEG C, then carries out fresh air
Pre-cooling, can effectively reduce the usage amount of air-conditioning refrigerant and reduce power consumption；When the hot water in boiler need to be slowly heated, cold
Solidifying water sequentially passes through tank, the first chilled water pump, diverter, heat pump (handpiece Water Chilling Units), interflow device, the second chilled water pump, pre-
Cold heat exchanger, the recovery approach of tank, reclaim the latent heat in condensed water by heat pump and are used for heating domestic water, part simultaneously
Condensed water still passes through handpiece Water Chilling Units highly effective refrigeration, and the condensed water of the condensed water of heat pump outlet and handpiece Water Chilling Units outlet is through interflow
Device is used for pre-cooling of fresh air behind interflow, had both reclaimed the latent heat in partial condensation water, and has efficiently achieved pre-cooling of fresh air, and had reclaimed
Cold in condensed water；When the hot water in boiler need to quickly heat, condensed water sequentially passes through tank, the first chilled water
Pump, diverter, heat pump, interflow device, the second chilled water pump, precool heat exchanger device, the recovery approach of tank, are reclaimed complete by heat pump
Latent heat in portion's condensed water is used for quick heating domestic water, can also reduce the temperature of condensed water simultaneously, improve pre-cooling of fresh air
Efficiency.
(2) this central air-conditioning condensing hot air furnace method achieves whole condensed waters by providing multipath circulation and stress path
Efficient circulation utilize, be used for making domestic hot-water or bath water by the part latent heat of heat pump both recyclable condensed water,
Again can by mix with the condensation at low temperature water in handpiece Water Chilling Units the temperature of condensed water is down to lower, strengthen condensed water change with pre-cooling
The heat exchange efficiency of hot device, reduces the temperature of room air；Reduce the refrigeration duty of air conditioning system simultaneously, reduce power consumption, section
The about energy is it is ensured that the high efficiente callback of condensed water cold and heat.
Brief description
Fig. 1 is the structure connection diagram of the present invention.
In figure：100th, Fresh air handing unit；200th, main heat exchanger；300th, precool heat exchanger device；310th, water accumulating disc；400th, water storage
Pond；410th, the first chilled water pump；420th, hot water circulating pump；430th, small pump；440th, the second chilled water pump；500th, handpiece Water Chilling Units；
510th, diverter；520th, collaborate device；600th, heat pump；700th, boiler；710th, temperature sensor；720th, liquid level sensor；800、
Water supply tank；910th, the first feedback controller；920th, the second feedback controller.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Ability
The every other embodiment that domain ordinary person is obtained under the premise of not making creative work, belongs to the protection of the present invention
Scope.
Embodiment 1：A kind of central air-conditioning condensation water recovery system.
Shown in reference Fig. 1, a kind of central air-conditioning condensation water recovery system, including：Least one set Fresh air handing unit 100,
It is respectively mounted main heat exchanger 200, described main heat exchanger 200 side is provided with precool heat exchanger in described every group of Fresh air handing unit 100
Device 300, the fresh air in Fresh air handing unit 100 carries out heat exchange with precool heat exchanger device 300 and main heat exchanger 200 successively, described
Every group of main heat exchanger 200 and precool heat exchanger device 300 condensation-water drain end are respectively mounted water accumulating disc 310, in described every group of water accumulating disc 310
The condensed water gathering passes through pipe influx, and the system also includes tank 400, handpiece Water Chilling Units 500, heat pump 600, boiler 700
With water supply tank 800, the condensed water collected in each water accumulating disc 310 passes through pipe influx to tank 400, in tank 400
Condensed water is delivered to diverter 510 by the first chilled water pump 410, and the first outlet of described diverter 510 is connected to cold water
The chilled water inlet of unit 500, the chilled water outlet of described handpiece Water Chilling Units 500 is connected to the first water inlet of interflow device 520, institute
The second outlet stating diverter 510 is connected to the chilled water inlet of heat pump 600, and the chilled water outlet of heat pump 600 is connected to conjunction
Second water inlet of stream device 520, the outlet of described interflow device 520 is changed with every group of pre-cooling respectively by the second chilled water pump 440
The condensing water inlet end of hot device 300 connects, and the hot water outlet of described heat pump 600 is connected to the water inlet of boiler 700 by pipeline
Mouthful, the first outlet of described boiler 700 is directly used in hot water emission, and the second outlet of described boiler 700 passes through heat
Water-circulating pump 420 is connected to the hot water inlet of heat pump 600, and the outlet of water supply tank 800 is connected to boiler by small pump 430
700 water supplement port.
In order to realize automatically selecting of condensate water circulatory path in the system, spy arranges controller in the present system, such as Fig. 1
Shown, described boiler 700 is provided with temperature sensor 710, the signal output part of described temperature sensor 710 is anti-with first
The signal input part of feedback controller 910 connects, and the signal output part of described first feedback controller 910 is connected respectively to hot water and follows
Ring pump 420 and diverter 510.Liquid level sensor 720, the letter of described liquid level sensor 720 are also equipped with described boiler 700
Number outfan is connected with the signal input part of the second feedback controller 920, the signal output part of described second feedback controller 920
It is connected respectively to small pump 430 and interflow device 520.
The operation principle of the system is as follows：Using condensation at low temperature water, 35 DEG C of fresh airs of outdoor feeding are carried out at pre- cooling
Reason, to reclaim the cold in condensation at low temperature water, can also be used as heating life by the latent heat that heat pump reclaims in condensed water simultaneously
With the thermal source of water, to reclaim the latent heat in condensation at low temperature water, for realizing this purpose, in the system, condensing hot air furnace approach is as follows：
1) when the hot water temperature that temperature sensor 710 detects in boiler 700 maintains 55-60 DEG C, and work as liquid level
When the hot water that sensor 720 detects in boiler 700 reaches setting liquid level, now, the hot water in boiler 700 does not need to add
Heat, the second feedback controller 920 controls small pump 430 to cut out, and the first feedback controller 910 controls hot water circulating pump 420 to cut out,
First feedback controller, 910 diverter 510 first outlet opens and closes diverter 510 second outlet, in tank 400
Condensed water via after handpiece Water Chilling Units 500 heat exchange, every group of precool heat exchanger device 300 is directly pumped into by the second chilled water pump 440
Condensing water inlet end.Now, condensed water sequentially passes through tank 400, the first chilled water pump 410, diverter 510, handpiece Water Chilling Units
500th, interflow device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery approach of tank 400, condensed water all enters
Enter handpiece Water Chilling Units 500, heat exchange is carried out in handpiece Water Chilling Units 500 by condensation at low temperature water and cold-producing medium, reduce condensed water further
Temperature, the temperature of condensed water can be cooled to 7-8 DEG C by 16 DEG C, through cooling after condensed water subsequently by the second chilled water
Pump 440 is directly pumped into each group precool heat exchanger device 300, thus can make the circulation by cold-producing medium for the refrigerating capacity of condensed water
Reenter every group of precool heat exchanger device 300, and then take back interior, reduce the temperature of room air；Meanwhile, temperature is at 7-8 DEG C
Condensed water carries out pre- cooling to fresh air, and its heat exchange efficiency carries out pre- cooling much larger than 16 DEG C of condensed waters to fresh air, under normal circumstances,
16 DEG C of condensed waters can by fresh air carry out pre- be cooled to 32 DEG C, and 7-8 DEG C of condensed water can by fresh air carry out pre- be cooled to 25-28 DEG C,
Temperature after the pre- cooling of fresh air is lower, then fresh air just can save more cold-producing mediums and electricity when with main heat exchanger 200 heat exchange
Consumption；Thus reaching energy-saving effect；
2) when the hot water that liquid level sensor 720 detects in boiler 700 is less than and sets liquid level, the second feedback controller
920 control small pumps 430 are opened, water supply tank 800 by boiler 700 moisturizing to setting liquid level, if water supply tank 800 is by boiler
To when setting liquid level, the hot water temperature that temperature sensor 710 detects in boiler 700 still maintains 55-60 for 700 moisturizings
DEG C, the first feedback controller 910 controls hot water circulating pump 420 to cut out, and diverter 510 first opened by the first feedback controller 910
Outlet and close diverter 510 second outlet, now, condensed water still through tank 400, the first chilled water pump 410,
Diverter 510, handpiece Water Chilling Units 500, interflow device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery of tank 400
Approach；If boiler 700 moisturizing is extremely set liquid level by water supply tank 800, temperature sensor 710 detects in boiler 700
Hot water temperature maintain 40-54 DEG C, the first feedback controller 910 control hot water circulating pump 420 open, by first feedback control
Device 910 processed opens diverter 510 first outlet and the second outlet simultaneously, and partial condensation water enters heat pump 600 as thermal source,
Interflow device 520 is entered, the hot water in boiler is pumped into cycle heat exchange in heat pump, and in addition partial condensation water is via cold after heat exchange
After water dispenser group 500 heat exchange enter interflow device 520, through heat pump heat exchanging cooling after partial condensation water and through handpiece Water Chilling Units 500
After the partial condensation water of cooling mixes in the device 520 of interflow, every group of precool heat exchanger is directly pumped into by the second chilled water pump 440
The condensing water inlet end of device 300, until the hot water temperature that temperature sensor 710 detects in boiler 700 maintains 55-60
DEG C, the first feedback controller 910 controls hot water circulating pump 420 and the second outlet of diverter 510 to cut out.In such cases,
12 DEG C can be cooled to because condensed water absorbs through heat pump 600, the temperature of heat pump 600 chilled water outlet is above cold after latent heat
The temperature of condensed water after water set heat exchange,, after device 520 mixing of interflow, the temperature of condensed water about can maintain 8-10 for both
DEG C, the effect of the now pre- cooling of fresh air is compared the first situation and is reduced, the cold-producing medium that fresh air consumes when with main heat exchanger heat exchange
And power consumption raises relative to the first situation, but the latent heat in partial condensation water had both been reclaimed in this kind of recovery path, and efficiently
Achieve pre-cooling of fresh air, reclaim the cold in condensed water.
3) when the hot water temperature that temperature sensor 710 detects in boiler 700 is less than 40 DEG C, the first feedback controller
910 control hot water circulating pumps 420 are opened, and the first feedback controller 910 opens diverter 510 second outlet and cuts out the simultaneously
One outlet, the condensed water in tank 400 all enters heat pump 600 as thermal source, quickly makes the circulation in boiler 700
Hot water is warming up to more than 55 DEG C.Now condensed water all sequentially pass through tank 400, the first chilled water pump 410, diverter 510,
Cold-heat pump 600, interflow device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery approach of tank 400, tank
Interior condensed water all enters heat pump so that the circulating hot water in boiler is rapidly heated to more than 55 DEG C as thermal source.Now
Hot water heating rate in boiler 700 is accelerated, but the condensate temperature in heat pump 600 exit maintains 12 DEG C about, newly
The effect of the pre- cooling of wind is deteriorated further, and the fresh air cold-producing medium consuming and power consumption when with main heat exchanger 200 heat exchange are gone up further
Rise, but compare traditional central air-conditioning, energy consumption is still greatly reduced.
The heat pump 600 adopting in the present embodiment is water-water heat pump, with condensed water as thermal source, needs the heat heating in boiler
Water is persistently overheating by the latent heat in heat pump 600 absorption condensation water, until after being heated to the temperature of setting from boiler
Discharge.
In the present embodiment, the outlet of described main heat exchanger 200 and precool heat exchanger device 300 is condensation water collection mouth, such as
This one can achieve efficient circulation of whole condensed waters using it is ensured that the high efficiente callback of condensed water cold and heat.
Embodiment 2：A kind of central air-conditioning condensing hot air furnace method.
With reference to shown in Fig. 1, a kind of central air-conditioning condensing hot air furnace method is it is characterised in that comprise the steps：
S1, by main heat exchanger in central air-conditioning 200 and precool heat exchanger device 300 produce condensed water pass through water accumulating disc 310
Collect, each water accumulating disc 310 collect condensed water by pipe influx arrive tank 400, elimination tank 400 in condensed water it
Between pressure, flow and temperature difference, form condensed water in a balanced way, prevent from, during the supply of subsequent condensation water, pressure and flow waves occur
Dynamic；
S2, the temperature according to hot water in boiler 700 and water level automated intelligent select condensing hot air furnace path；
S21, when the hot water temperature that temperature sensor 710 detects in boiler 700 maintains 55-60 DEG C, and work as liquid
When the hot water that level sensor 720 detects in boiler 700 reaches setting liquid level, now, the hot water in boiler 700 does not need
Heating, the second feedback controller 920 controls small pump 430 to cut out, and the first feedback controller 910 controls hot water circulating pump 420 to close
Close, the first feedback controller 910 diverter 510 first outlet opens and closes diverter 510 second outlet, tank
Condensed water in 400 is directly pumped into every group of precool heat exchanger device via after handpiece Water Chilling Units 500 heat exchange by the second chilled water pump 440
300 condensing water inlet end.Now, condensed water sequentially passes through tank 400, the first chilled water pump 410, diverter 510, cold water
Unit 500, interflow device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery approach of tank 400, condensed water is complete
Portion enters handpiece Water Chilling Units 500, carries out heat exchange by condensation at low temperature water and cold-producing medium, reduce cold further in handpiece Water Chilling Units 500
The temperature of condensed water can be cooled to 7-8 DEG C by 16 DEG C by the temperature of solidifying water, and the condensed water after cooling is subsequently cold by second
Freeze water pump 440 and be directly pumped into each group precool heat exchanger device 300, the refrigerating capacity of condensed water thus can be made to pass through cold-producing medium
Circulation reenters every group of precool heat exchanger device 300, and then takes back interior, reduces the temperature of room air；Meanwhile, temperature is in 7-8
DEG C condensed water pre- cooling is carried out to fresh air, its heat exchange efficiency carries out pre- cooling, positive reason much larger than 16 DEG C of condensed waters to fresh air
Under condition, 16 DEG C of condensed waters can by fresh air carry out pre- be cooled to 32 DEG C, and fresh air can be carried out pre- being cooled to 25- by 7-8 DEG C of condensed water
28 DEG C, the temperature after the pre- cooling of fresh air is lower, then fresh air just can save more cold-producing mediums when with main heat exchanger 200 heat exchange
And power consumption；Thus reaching energy-saving effect；
S22, when liquid level sensor 720 detect hot water in boiler 700 be less than set liquid level when, the second feedback control
Device 920 controls small pump 430 to open, water supply tank 800 by boiler 700 moisturizing to setting liquid level, if water supply tank 800 is by hot water
To when setting liquid level, the hot water temperature that temperature sensor 710 detects in boiler 700 still maintains 55-60 for case 700 moisturizing
DEG C, the first feedback controller 910 controls hot water circulating pump 420 to cut out, and diverter 510 first opened by the first feedback controller 910
Outlet and close diverter 510 second outlet, now, condensed water still through tank 400, the first chilled water pump 410,
Diverter 510, handpiece Water Chilling Units 500, interflow device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery of tank 400
Approach；If boiler 700 moisturizing is extremely set liquid level by water supply tank 800, temperature sensor 710 detects in boiler 700
Hot water temperature maintain 40-54 DEG C, the first feedback controller 910 control hot water circulating pump 420 open, by first feedback control
Device 910 processed opens diverter 510 first outlet and the second outlet simultaneously, and partial condensation water enters heat pump 600 as thermal source,
Interflow device 520 is entered, the hot water in boiler is pumped into cycle heat exchange in heat pump, and in addition partial condensation water is via cold after heat exchange
After water dispenser group 500 heat exchange enter interflow device 520, through heat pump heat exchanging cooling after partial condensation water and through handpiece Water Chilling Units 500
After the partial condensation water of cooling mixes in the device 520 of interflow, every group of precool heat exchanger is directly pumped into by the second chilled water pump 440
The condensing water inlet end of device 300, until the hot water temperature that temperature sensor 710 detects in boiler 700 maintains 55-60
DEG C, the first feedback controller 910 controls hot water circulating pump 420 and the second outlet of diverter 510 to cut out.In such cases,
12 DEG C can be cooled to because condensed water absorbs through heat pump 600, the temperature of heat pump 600 chilled water outlet is above cold after latent heat
The temperature of condensed water after water set heat exchange,, after device 520 mixing of interflow, the temperature of condensed water about can maintain 8-10 for both
DEG C, the effect of the now pre- cooling of fresh air is compared the first situation and is reduced, the cold-producing medium that fresh air consumes when with main heat exchanger heat exchange
And power consumption raises relative to the first situation, but the latent heat in partial condensation water had both been reclaimed in this kind of recovery path, and efficiently
Achieve pre-cooling of fresh air, reclaim the cold in condensed water.
S23, when temperature sensor 710 detects hot water temperature in boiler 700 and is less than 40 DEG C, the first feedback control
Device 910 controls hot water circulating pump 420 to open, and the first feedback controller 910 opens diverter 510 second outlet and cut out simultaneously
First outlet, the condensed water in tank 400 all enters heat pump 600 as thermal source, quickly makes following in boiler 700
Ring hot water is warming up to more than 55 DEG C.Now condensed water all sequentially passes through tank 400, the first chilled water pump 410, diverter
510th, cold-heat pump 600, interflow device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery approach of tank 400, storage
Condensed water in pond all enters heat pump so that the circulating hot water in boiler is rapidly heated to more than 55 DEG C as thermal source.
Now the hot water heating rate in boiler 700 is accelerated, but the condensate temperature in heat pump 600 exit maintains 12 DEG C of left sides
The right side, the effect of the pre- cooling of fresh air is deteriorated further, and the fresh air cold-producing medium consuming and power consumption when with main heat exchanger 200 heat exchange enter one
Step rises, but compares traditional central air-conditioning, and energy consumption is still greatly reduced.
S3, the condensation water quantity that constantly circulation increases pass through tank 400 overflow and reclaim.
The above is presently preferred embodiments of the present invention, but the present invention should not be limited to this embodiment and accompanying drawing institute is public
The content opened, thus every without departing from complete equivalent or modification under spirit disclosed in this invention, both fall within present invention protection
Scope.
Claims (6)
1. a kind of central air-conditioning condensation water recovery system, including：Least one set Fresh air handing unit (100), described every group of fresh air
Process in unit (100) and be respectively mounted main heat exchanger (200), described main heat exchanger (200) side is provided with precool heat exchanger device
(300), the fresh air in Fresh air handing unit (100) carries out heat friendship successively with precool heat exchanger device (300) and main heat exchanger (200)
Change, described every group of main heat exchanger (200) and precool heat exchanger device (300) condensation-water drain end are respectively mounted water accumulating disc (310), described every
The condensed water gathering in group water accumulating disc (310) pass through pipe influx it is characterised in that：Also include tank (400), handpiece Water Chilling Units
(500), heat pump (600), boiler (700) and water supply tank (800), the condensed water collected in each water accumulating disc (310) passes through pipe
Road is pooled to tank (400), and the condensed water in tank (400) is delivered to diverter by the first chilled water pump (410)
(510), the first outlet of described diverter (510) is connected to the chilled water inlet of handpiece Water Chilling Units (500), described handpiece Water Chilling Units
(500) chilled water outlet is connected to first water inlet at interflow device (520), and the second outlet of described diverter (510) is even
It is connected to the chilled water inlet of heat pump (600), the chilled water outlet of heat pump (600) is connected to second water inlet at interflow device (520),
The outlet of described interflow device (520) passes through the second chilled water pump (440) condensed water with every group of precool heat exchanger device (300) respectively
Arrival end connects, and the hot water outlet of described heat pump (600) is connected to the water inlet of boiler (700), described hot water by pipeline
First outlet of case (700) is directly used in hot water emission, and the second outlet of described boiler (700) passes through hot water circulating pump
(420) it is connected to the hot water inlet of heat pump (600), the outlet of water supply tank (800) is connected to boiler by small pump (430)
(700) water supplement port.
2. central air-conditioning condensation water recovery system as claimed in claim 1 it is characterised in that：Described boiler (700) is upper to pacify
Equipped with temperature sensor (710), the signal output part of described temperature sensor (710) and the letter of the first feedback controller (910)
Number input connects, and the signal output part of described first feedback controller (910) is connected respectively to hot water circulating pump (420) and divides
Stream device (510).
3. central air-conditioning condensation water recovery system as claimed in claim 2 it is characterised in that：Described boiler (700) is upper to pacify
Equipped with liquid level sensor (720), the signal output part of described liquid level sensor (720) and the letter of the second feedback controller (920)
Number input connects, and the signal output part of described second feedback controller (920) is connected respectively to small pump (430) and collaborates device
(520).
4. central air-conditioning condensation water recovery system as claimed in claim 1 it is characterised in that：Described heat pump (600) is water water
Heat pump.
5. central air-conditioning condensation water recovery system as claimed in claim 1 it is characterised in that：Described main heat exchanger (200) and
The outlet of precool heat exchanger device (300) is condensation water collection mouth.
6. a kind of recovery method using central air-conditioning condensation water recovery system as claimed in claim 3 is it is characterised in that have
Body comprises the steps：
S1, the condensed water producing in main heat exchanger in central air-conditioning (200) and precool heat exchanger device (300) is passed through water accumulating disc
(310) collect, the condensed water that each water accumulating disc (310) is collected passes through pipe influx to tank (400), eliminates tank
(400) pressure between interior condensed water, flow and temperature difference；
S2, the temperature according to the interior hot water of boiler (700) and water level automated intelligent select condensing hot air furnace path；
S21, when the hot water temperature that temperature sensor (710) detects in boiler (700) maintains 55-60 DEG C, and work as liquid
When the hot water that level sensor (720) detects in boiler (700) reaches setting liquid level, the second feedback controller (920) controls
Small pump (430) is closed, and the first feedback controller (910) controls hot water circulating pump (420) to cut out, the first feedback controller
(910) open diverter (510) first outlet and close diverter (510) second outlet, the condensation in tank (400)
Water is directly pumped into every group of precool heat exchanger device (300) via after handpiece Water Chilling Units (500) heat exchange by the second chilled water pump (440)
Condensing water inlet end；
S22, when liquid level sensor (720) detect hot water in boiler (700) be less than set liquid level when, the second feedback control
Device (920) control small pump (430) open, water supply tank (800) by boiler (700) moisturizing to setting liquid level, if water supply tank
(800), when extremely boiler (700) moisturizing being set liquid level, temperature sensor (710) detects the hot water temperature in boiler (700)
Degree still maintains 55-60 DEG C, and the first feedback controller (910) controls hot water circulating pump (420) to cut out, the first feedback controller
(910) open diverter (510) first outlet and close diverter (510) second outlet, the condensation in tank (400)
Water is directly pumped into every group of precool heat exchanger device (300) via after handpiece Water Chilling Units (500) heat exchange by the second chilled water pump (440)
Condensing water inlet end；If boiler (700) moisturizing is extremely set liquid level by water supply tank (800), temperature sensor (710) detects
Hot water temperature in boiler (700) maintains 40-54 DEG C, and the first feedback controller (910) controls hot water circulating pump (420)
Open, diverter (510) first outlet and the second outlet are opened by the first feedback controller (910) simultaneously, partly cold
Solidifying water enters heat pump as thermal source, enters interflow device (520) after heat exchange, and the hot water in boiler is pumped into circulating picture-changing in heat pump
Heat, in addition partial condensation water via after handpiece Water Chilling Units (500) heat exchange enter interflow device (520), through heat pump heat exchanging cooling after
Partial condensation water and through partial condensation water that handpiece Water Chilling Units (500) cool down after mixing in interflow device (520), by the second freezing
Water pump (440) is directly pumped into the condensing water inlet end of every group of precool heat exchanger device (300), until temperature sensor (710) inspection
The hot water temperature measuring in boiler (700) maintains 55-60 DEG C, and the first feedback controller (910) controls hot water circulating pump
(420) and diverter (510) second outlet close；
S23, when temperature sensor (710) detects hot water temperature in boiler (700) and is less than 40 DEG C, the first feedback control
Device (910) controls hot water circulating pump (420) to open, and diverter (510) second water outlet opened by the first feedback controller (910) simultaneously
Mouthful and close the first outlet, the condensed water in tank (400) all enters heat pump (600) as thermal source, quick makes heat
Circulating hot water in water tank (700) is warming up to more than 55 DEG C, and then the first feedback controller (910) controls hot water circulating pump
(420) close with the second outlet of diverter (510), and open the first outlet of diverter (510)；
S3, the condensation water quantity that constantly circulation increases pass through tank (400) overflow and reclaim.
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| CN116857806A (en) * | 2023-06-16 | 2023-10-10 | 中船邮轮科技发展有限公司 | An air conditioning condensate water recovery and fresh air pre-cooling system |
| CN118960121A (en) * | 2024-09-14 | 2024-11-15 | 佛山顺泓机电工程有限公司 | A constant temperature and humidity adjustment method based on condensation heat recovery and related equipment |
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| CN106440314B (en) | 2017-12-22 |
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