CN106440314B - A kind of central air-conditioning condensation water recovery system and method - Google Patents
A kind of central air-conditioning condensation water recovery system and method Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 513
- 238000009833 condensation Methods 0.000 title claims abstract description 50
- 230000005494 condensation Effects 0.000 title claims abstract description 50
- 238000004378 air conditioning Methods 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 22
- 239000003507 refrigerant Substances 0.000 claims description 20
- 238000013459 approach Methods 0.000 claims description 15
- 230000003020 moisturizing effect Effects 0.000 claims description 15
- 230000004941 influx Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 9
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- 238000007791 dehumidification Methods 0.000 description 2
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Abstract
The invention provides a kind of central air-conditioning condensation water recovery system, including：Fresh air handing unit, main heat exchanger, precool heat exchanger device, water accumulating disc, tank, handpiece Water Chilling Units, heat pump, boiler and water supply tank, main heat exchanger and the condensed water of precool heat exchanger device discharge after water accumulating disc by being pumped into tank, condensate pump in tank delivers to current divider, by controlling current divider, enter precool heat exchanger device after can condensed water directly be exchanged heat by handpiece Water Chilling Units, or branch in heat pump and be pumped into precool heat exchanger device with after being mixed again by collaborating device after the hot water heat exchange in boiler.The system can select the path of condensate water circulatory according to the temperature intelligent of hot water in boiler, reach the purpose of cold in high efficiente callback condensed water.Present invention also offers a kind of central air-conditioning condensing hot air furnace method, realizes the efficient circulation of cold and heat in condensed water and utilizes, ensure that the high efficiente callback of condensed water cold and heat.
Description
Technical field
The invention belongs to air conditioner technical field, and in particular to a kind of central air-conditioning condensation water recovery system and method.
Background technology
The end of central air conditioner system largely uses fan coil, air-treatment unit and Fresh air handing unit, and these set
Chilled water in standby heat exchanger can produce a large amount of 16 during cool-down dehumidification processing is carried out to room air and outdoor fresh air
DEG C or so low temperature cold condensate, condensed water caused by existing air-conditioning system is all directly to be discharged naturally by condensate pipe,
Cold and latent heat contained by low temperature cold condensate are not utilized, cause obvious energy waste.
In order to reclaim cold contained in condensed water, current scientific worker both domestic and external has also carried out substantial amounts of research.
Such as：Publication No. CN201497125U Chinese patent discloses " a kind of air conditioner condensate water reclamation device and air conditioner
Refrigeration system ", recycling refrigerant of the air conditioner in process of refrigerastion in caused condensed water and air-conditioning refrigeration system
Exchanged heat in device, further reduce the temperature of refrigerant.Thus, the refrigerating capacity of condensed water can be made by the circulation of refrigerant
Again interior is taken back, reduces the temperature of room air；Meanwhile the condensation temperature of outdoor condenser can be effectively reduced, reduce
The power consumption of air-conditioning；Thus the refrigeration season energy resource consumption efficiency of air conditioner and annual energy resource consumption efficiency are greatly improved.But
The device is limited larger by air conditioner structure layout, is only applicable to small-sized Domestic separating air-conditioning, is produced for central air-conditioning
The big air-conditioning of condensed water water does not apply to simultaneously.
Publication No. CN103185391A Chinese patent application disclose " a kind of condensate water heat recovery system and using should
The central air conditioner system of system ", the patent application utilizes system by condensed water heat recovery cycle, by caused by air-conditioning system
Condensation water collection is 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
Surface cooler is managed, pre- cooling processing is carried out to 35 DEG C of fresh airs of outdoor feeding using 16 DEG C or so of low temperature cold condensates, by pre- place
Fresh air after reason is cooled by main surface cooler again, dehumidification treatments, and condensed water discharges again after the heat of fresh air is absorbed, can
Cold fully contained by recovery condensed water, avoids the waste of cold, while reduces the refrigeration duty of air-conditioning system, reduces electric power and disappears
Consumption, save the energy.But the condensate water heat recovery system simply simply collects condensed water circulation, then by by 16 DEG C of left sides
Right low temperature cold condensate carries out pre- cooling processing to 35 DEG C of fresh airs of outdoor feeding, but because 16 DEG C of condensate temperature is inclined
Height, the effect for the processing that cools in advance to 35 DEG C of fresh airs is limited, and has simply reclaimed the part cold in condensed water, in condensed water
Latent heat does not utilize effectively.
In addition, normal mounting has some public places such as hotel, restaurant, office space etc. of central air-conditioning, 24 are needed again
Hour provides 55~60 degree of domestic water, and 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, it is necessary to consume the substantial amounts of energy.If the condensation that will can be discharged in central air-conditioning
Heat is recycled, and can not only 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 cooling time length, domestic hot-water's load is relatively small, is created for the recycling of condensation heat
Good condition.
To solve the problems, such as that prior art is present, 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 and water level automated intelligent of hot water in boiler, reach high efficiente callback center
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, realize
The efficient circulation of cold and heat utilizes in condensed water, ensure that the high efficiente callback of condensed water cold and heat.
To realize above-mentioned technical proposal, the present invention uses following scheme, a kind of central air-conditioning condensation water recovery system, bag
Include：At least one set of Fresh air handing unit, main heat exchanger, the main heat exchanger side are respectively mounted in every group of Fresh air handing unit
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 every group of water accumulating disc
For water by pipe influx, the system also includes tank, handpiece Water Chilling Units, heat pump, boiler and water supply tank, is received in each water accumulating disc
For the condensed water of collection by pipe influx to tank, the condensed water in tank is delivered to current divider by the first chilled water pump,
First delivery port of the current divider is connected to the chilled water inlet of handpiece Water Chilling Units, the chilled water outlet connection of the handpiece Water Chilling Units
To the first water inlet of interflow device, the second delivery port of the current divider 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 delivery port of the interflow device is pre- with every group respectively by the second chilled water pump
The condensing water inlet end connection of cold heat exchanger, the hot water outlet of the heat pump are connected to the water inlet of boiler by pipeline, institute
The first delivery port for stating boiler is directly used in hot water emission, and the second delivery port of the boiler is connected by hot water circulating pump
To the hot water inlet of heat pump, the delivery port 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 processing to 35 DEG C of fresh airs of outdoor feeding using low temperature cold condensate, with
The cold in low temperature cold condensate is reclaimed, while heating domestic water can also be used as by the latent heat that heat pump is reclaimed in condensed water
Thermal source, to reclaim the latent heat in low temperature cold condensate, for this, the invention provides following three condensing hot air furnace approach：
1) when the hot water temperature in boiler maintains 55-60 DEG C, and the hot water in boiler reach setting liquid level when,
Now, the hot water in boiler need not heat, and the condensed water collected from each group main heat exchanger and precool heat exchanger device enters storage
Behind pond, it is pumped to by the first chilled water pump in current divider, the first delivery port of current divider is opened and the second delivery port is closed,
Condensed water fully enters handpiece Water Chilling Units, is exchanged heat in handpiece Water Chilling Units with refrigerant by low temperature cold condensate, further reduced
The temperature of condensed water, the temperature of condensed water can be cooled to 7-8 DEG C by 16 DEG C, the condensed water after cooling is then by second
Chilled water pump is directly pumped into each group precool heat exchanger device, can thus make the refrigerating capacity of condensed water by the circulation of refrigerant
Every group of precool heat exchanger device is reentered, and then takes back interior, reduces the temperature of room air；Meanwhile temperature is in 7-8 DEG C of condensation
Water is cooled in advance to fresh air, and its heat exchange efficiency is cooled in advance much larger than 16 DEG C of condensed waters to fresh air, under normal circumstances, 16 DEG C
Condensed water can carry out fresh air to be cooled to 32 DEG C in advance, and 7-8 DEG C of condensed water can carry out fresh air be cooled to 25-28 DEG C in advance, fresh air
Temperature after pre- cooling is lower, then fresh air is that can saves more refrigerants and power consumption during main heat exchanger heat exchange；So as to
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, while opens the first delivery port and the second delivery port of current divider, and partial condensation water enters heat as thermal source
Pump, enter after heat exchange and collaborate device, the hot water in boiler is pumped into cycle heat exchange in heat pump, and other part condensed water is via cold
Enter interflow device after water set heat exchange, the partial condensation water after heat pump heat exchanging cools down and the part by handpiece Water Chilling Units cooling
After condensed water mixes in the device of interflow, the condensing water inlet of every group of precool heat exchanger device is directly pumped into by the second chilled water pump
End, because condensed water can be cooled to 12 DEG C after heat pump absorbs latent heat, the temperature of heat pump chilled water outlet is above cold water
The temperature of condensed water after set heat exchange, both are after the device mixing of interflow, and the temperature of condensed water can about maintain 7-11 DEG C, now
The effect that fresh air cools in advance reduces compared to the first situation, the refrigerant and power consumption phase that fresh air consumes when being exchanged heat with main heat exchanger
The first situation is raised, but has reclaimed the part latent heat in condensed water and has been 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 is opened the delivery port of current divider second and is closed the first delivery port, the condensed water in tank is all as thermal source
Into 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 or so, and the effect that fresh air cools in advance is further deteriorated, fresh air with
The refrigerant and power consumption that main heat exchanger consumes when exchanging heat are further up.
Preferably, temperature sensor, the signal output part of the temperature sensor and first are installed on the boiler
The signal input part connection of feedback controller, the signal output part of first feedback controller are connected respectively to hot water circulating pump
And current divider.The effect of temperature sensor is to detect the temperature of hot water in boiler and send to the first feedback controller, the
One feedback controller is according to first outlet and second in the temperature automatic control hot water circulating pump and current divider of hot water in boiler
The keying of outlet.
Preferably, liquid level sensor, the signal output part of the liquid level sensor and second are installed on the boiler
The signal input part connection of feedback controller, the signal output part of second feedback controller are connected respectively to small pump and conjunction
Flow device.The effect of liquid level sensor is to detect the liquid level of hot water in boiler and send to the second feedback controller, and second is anti-
Present keying of the controller according to the liquid automatic control small pump of hot water in boiler and interflow device.
Preferably, the heat pump is water-water heat pump.
Preferably, the delivery port of main heat exchanger and the precool heat exchanger device is condensation water collection mouth, thus can be with
Realize that the efficient circulation of whole condensed waters utilizes, ensure 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, specifically comprise the following steps：
S1, caused condensed water in main heat exchanger in central air-conditioning and precool heat exchanger device collected by water accumulating disc, it is each
The condensed water that water accumulating disc is collected eliminates pressure, flow and temperature between condensed water in tank by pipe influx to tank
Difference is spent, forms balanced condensed water；
S2, condensing hot air furnace path selected according to the temperature and water level automated intelligent of hot water in boiler；
S21, when the hot water temperature that temperature sensor is detected in boiler maintains 55-60 DEG C, and work as level sensing
When device detects that the hot water in boiler reaches setting liquid level, the second feedback controller control small pump is closed, the first feedback control
Device control hot water circulating pump processed is closed, and the first feedback controller opens the delivery port of current divider first and closes the water outlet of current divider second
Mouthful, the condensed water in tank by the second chilled water pump is directly pumped into every group of precool heat exchanger device after being exchanged heat via handpiece Water Chilling Units
Condensing water inlet end；
S22, when liquid level sensor detects hot water in boiler less than setting liquid level, the control of the second feedback controller
Small pump is opened, water supply tank by boiler moisturizing to setting liquid level, if water supply tank by boiler moisturizing to when setting liquid level, temperature
Degree sensor detects that the hot water temperature in boiler still maintains 55-60 DEG C, the first feedback controller control hot water circuit
Pump is closed, and the control of the first feedback controller opens the delivery port of current divider first and closes the delivery port of current divider second, in tank
Condensed water exchanged heat via handpiece Water Chilling Units after the condensed water of every group of precool heat exchanger device be directly pumped into by the second chilled water pump enter
Mouth end；If for water supply tank by boiler moisturizing to when setting liquid level, temperature sensor detects hot water temperature's dimension in boiler
Hold at 40-54 DEG C, the first feedback controller control hot water circulating pump is opened, and current divider is opened simultaneously by the first feedback controller
First delivery port and the second delivery port, partial condensation water enter heat pump as thermal source, enter after heat exchange and collaborate device, in boiler
Hot water is pumped into cycle heat exchange in heat pump, and other part condensed water enters interflow device after being exchanged heat via handpiece Water Chilling Units, through overheat
After partial condensation water after pump heat exchange cooling and the partial condensation water by handpiece Water Chilling Units cooling mix in the device of interflow, 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 is detected in boiler
Hot water temperature maintain 55-60 DEG C, the second delivery port of the first feedback controller control hot water circulating pump and current divider is closed；
S23, when temperature sensor detects that hot water temperature in boiler is less than 40 DEG C, the control of the first feedback controller
Hot water circulating pump is opened, while the first feedback controller opens the delivery port of current divider second and closes the first delivery port, tank
Interior condensed water all enters heat pump as thermal source, and the quick circulating hot water caused in boiler is warming up to more than 55 DEG C, then
First feedback controller controls the second delivery port of hot water circulating pump and current divider to close, and opens the first water outlet of current divider
Mouthful；
S3, constantly circulate increased condensation water quantity and reclaimed by tank overflow.
The beneficial effect of a kind of central air-conditioning condensation water recovery system provided by the invention and method is：
(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 selection condensing hot air furnace path, when the hot water in boiler is not required to heating, condensed water passes through successively
Cross tank, the first chilled water pump, current divider, handpiece Water Chilling Units, interflow device, the second chilled water pump, precool heat exchanger device, tank
Recovery approach, by 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
Precooling, it can effectively reduce the usage amount of air-conditioning refrigerant and reduce power consumption；It is cold when the hot water in boiler need to be slowly heated
Condensate is successively by tank, the first chilled water pump, current divider, heat pump (handpiece Water Chilling Units), interflow device, the second chilled water pump, pre-
The recovery approach of cold heat exchanger, tank, the latent heat in condensed water is reclaimed by heat pump and is used to heat domestic water, while part
Condensed water still passes through handpiece Water Chilling Units highly effective refrigeration, and the condensed water of heat pump outlet and the condensed water of handpiece Water Chilling Units outlet are by interflow
Device is used for pre-cooling of fresh air behind interflow, has both reclaimed the latent heat in partial condensation water, and efficiently realizes pre-cooling of fresh air, reclaims
Cold in condensed water；When the hot water in boiler need to be heated quickly, condensed water is successively by tank, the first chilled water
Pump, current divider, 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 to quickly heat domestic water, while can also reduce the temperature of condensed water, improves pre-cooling of fresh air
Efficiency.
(2) this central air-conditioning condensing hot air furnace method realizes whole condensed waters by providing multipath circulation and stress path
Efficient circulation utilize, be used to make domestic hot-water or bath water by the part latent heat of heat pump both recyclable condensed water,
Again can by mixed with the low temperature cold condensate in handpiece Water Chilling Units the temperature of condensed water is down to it is lower, enhancing condensed water changed with precooling
The heat exchange efficiency of hot device, reduce the temperature of room air；Reduce the refrigeration duty of air-conditioning system simultaneously, reduce power consumption, section
The about energy, it ensure that the high efficiente callback of condensed water cold and heat.
Brief description of the drawings
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, current divider；520th, device is collaborated；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.
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, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Ability
The every other embodiment that domain ordinary person is obtained under the premise of creative work is not made, belong to the protection of the present invention
Scope.
Embodiment 1：A kind of central air-conditioning condensation water recovery system.
Shown in reference picture 1, a kind of central air-conditioning condensation water recovery system, including：At least one set of Fresh air handing unit 100,
Main heat exchanger 200 is respectively mounted in every group of Fresh air handing unit 100, the side of main heat exchanger 200 is provided with precool heat exchanger
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 the condensation-water drain end of precool heat exchanger device 300 are respectively mounted water accumulating disc 310, in every group of water accumulating disc 310
The condensed water gathered also includes tank 400, handpiece Water Chilling Units 500, heat pump 600, boiler 700 by pipe influx, the system
With water supply tank 800, the condensed water collected in each water accumulating disc 310 is by pipe influx to tank 400, in tank 400
Condensed water is delivered to current divider 510 by the first chilled water pump 410, and the first delivery port of the current divider 510 is connected to cold water
The chilled water inlet of unit 500, the chilled water outlet of the handpiece Water Chilling Units 500 are connected to the first water inlet of interflow device 520, institute
The second delivery port for stating current divider 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
The second water inlet of device 520 is flowed, the delivery port of the interflow device 520 is changed with every group of precooling respectively by the second chilled water pump 440
The condensing water inlet end connection of hot device 300, the hot water outlet of the heat pump 600 are connected to the water inlet of boiler 700 by pipeline
Mouthful, the first delivery port of the boiler 700 is directly used in hot water emission, and the second delivery port of the boiler 700 passes through heat
Water-circulating pump 420 is connected to the hot water inlet of heat pump 600, and the delivery port of water supply tank 800 is connected to boiler by small pump 430
700 water supplement port.
In order to realize automatically selecting for condensate water circulatory path in the system, spy sets controller, such as Fig. 1 in the present system
It is shown, temperature sensor 710 is installed, the signal output part of the temperature sensor 710 and first anti-on the boiler 700
The signal input part connection of controller 910 is presented, the signal output part of first feedback controller 910 is connected respectively to hot water and followed
Ring pump 420 and current divider 510.Liquid level sensor 720, the letter of the liquid level sensor 720 are also equipped with the boiler 700
Number output end is connected with the signal input part of the second feedback controller 920, the signal output part of 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：35 DEG C of fresh airs of outdoor feeding are carried out at pre- cooling using low temperature cold condensate
Reason, to reclaim the cold in low temperature cold condensate, while heating life can also be used as by the latent heat that heat pump is reclaimed in condensed water
With the thermal source of water, to reclaim the latent heat in low temperature cold condensate, in order to achieve this, condensing hot air furnace approach is as follows in the system：
1) when the hot water temperature that temperature sensor 710 is detected in boiler 700 maintains 55-60 DEG C, and liquid level is worked as
When sensor 720 detects that the hot water in boiler 700 reaches setting liquid level, now, the hot water in boiler 700 need not add
Heat, the second feedback controller 920 control small pump 430 are closed, and the first feedback controller 910 control hot water circulating pump 420 is closed,
The delivery port of first feedback controller, 910 current divider 510 first opens and closes the delivery port of current divider 510 second, in tank 400
Condensed water exchanged heat via handpiece Water Chilling Units 500 after every group of precool heat exchanger device 300 be directly pumped into by the second chilled water pump 440
Condensing water inlet end.Now, condensed water is successively by tank 400, the first chilled water pump 410, current divider 510, handpiece Water Chilling Units
500th, device 520, the second chilled water pump 440, precool heat exchanger device 300, the recovery approach of tank 400 are collaborated, condensed water all enters
Enter handpiece Water Chilling Units 500, exchanged heat by low temperature cold condensate with refrigerant in handpiece Water Chilling Units 500, further reduce condensed water
Temperature, the temperature of condensed water can be cooled to 7-8 DEG C by 16 DEG C, the condensed water after cooling is then by the second chilled water
Pump 440 is directly pumped into each group precool heat exchanger device 300, can thus make the refrigerating capacity of condensed water by the circulation of refrigerant
Every group of precool heat exchanger device 300 is reentered, and then takes back interior, reduces the temperature of room air；Meanwhile temperature is at 7-8 DEG C
Condensed water is cooled in advance to fresh air, and its heat exchange efficiency is cooled in advance much larger than 16 DEG C of condensed waters to fresh air, under normal circumstances,
16 DEG C of condensed waters can carry out fresh air to be cooled to 32 DEG C in advance, and 7-8 DEG C of condensed water can carry out fresh air be cooled to 25-28 DEG C in advance,
Temperature after fresh air cools in advance is lower, then fresh air can when being exchanged heat with main heat exchanger 200 saves more refrigerants and electricity
Consumption；So as to reach energy-saving effect；
2) when the hot water that liquid level sensor 720 is detected in boiler 700 is less than setting liquid level, the second feedback controller
920 control small pumps 430 are opened, water supply tank 800 by the moisturizing of boiler 700 to setting liquid level, if water supply tank 800 is by boiler
To when setting liquid level, temperature sensor 710 detects that the hot water temperature in boiler 700 still maintains 55-60 for 700 moisturizings
DEG C, the first feedback controller 910 control hot water circulating pump 420 is closed, and the first feedback controller 910 opens current divider 510 first
Delivery port and close the delivery port of current divider 510 second, now, condensed water still by tank 400, the first chilled water pump 410,
Current divider 510, handpiece Water Chilling Units 500, the recovery for collaborating device 520, the second chilled water pump 440, precool heat exchanger device 300, tank 400
Approach；By the moisturizing of boiler 700 to when setting liquid level, if temperature sensor 710 detects in boiler 700 water supply tank 800
Hot water temperature maintain 40-54 DEG C, the first feedback controller 910 control hot water circulating pump 420 is opened, and passes through the first feedback control
Device 910 processed opens the delivery port of current divider 510 first and the second delivery port simultaneously, and partial condensation water enters heat pump 600 as thermal source,
Enter after heat exchange and collaborate device 520, the hot water in boiler is pumped into cycle heat exchange in heat pump, and other part condensed water is via cold
Water dispenser group 500 enters interflow device 520 after exchanging heat, partial condensation water and process handpiece Water Chilling Units 500 after heat pump heat exchanging cools down
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 temperature sensor 710 detects that the hot water temperature in boiler 700 maintains 55-60
DEG C, the second delivery port of the first feedback controller 910 control hot water circulating pump 420 and current divider 510 is closed.In such cases,
Because condensed water can be cooled to 12 DEG C after heat pump 600 absorbs latent heat, the temperature of the chilled water outlet of heat pump 600 is above cold
The temperature of condensed water after water set heat exchange, after interflow device 520 mixes, the temperature of condensed water can about maintain 8-10 for both
DEG C, the effect that now fresh air cools in advance reduces compared to the first situation, the refrigerant that fresh air consumes when being exchanged heat with main heat exchanger
And power consumption raises with respect to the first situation, but the latent heat in partial condensation water had both been reclaimed in such a recovery path, and efficiently
Pre-cooling of fresh air is realized, has reclaimed the cold in condensed water.
3) when the hot water temperature that temperature sensor 710 is detected in boiler 700 is less than 40 DEG C, the first feedback controller
910 control hot water circulating pumps 420 are opened, while the first feedback controller 910 opens the delivery port of current divider 510 second and closes the
One delivery port, the condensed water in tank 400 all enter heat pump 600 as thermal source, the quick circulation caused in boiler 700
Hot water is warming up to more than 55 DEG C.Now condensed water all successively by tank 400, the first chilled water pump 410, current divider 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 as thermal source so that the circulating hot water in boiler is rapidly heated to more than 55 DEG C.Now
Hot water heating rate in boiler 700 is accelerated, but the condensate temperature in the exit of heat pump 600 maintains 12 DEG C or so, newly
The effect that wind cools in advance is further deteriorated, the refrigerant and power consumption that fresh air consumes when being exchanged heat with main heat exchanger 200 further on
Rise, but compare traditional central air-conditioning, energy consumption is still greatly reduced.
The heat pump 600 used in the present embodiment is water-water heat pump, and using condensed water as thermal source, the heat heated is needed in boiler
Water by the latent heat in the absorption condensation water of heat pump 600 and persistently overheating, until being heated to after the temperature of setting from boiler
Discharge.
In the present embodiment, the delivery port of the main heat exchanger 200 and precool heat exchanger device 300 is condensation water collection mouth, such as
This efficient circulation that can realize whole condensed waters utilizes, and ensures the high efficiente callback of condensed water cold and heat.
Embodiment 2：A kind of central air-conditioning condensing hot air furnace method.
Shown in reference picture 1, a kind of central air-conditioning condensing hot air furnace method, it is characterised in that comprise the following steps：
S1, caused condensed water in main heat exchanger in central air-conditioning 200 and precool heat exchanger device 300 passed through into water accumulating disc 310
Collect, the condensed water that each water accumulating disc 310 is collected by pipe influx to tank 400, in elimination tank 400 condensed water it
Between pressure, flow and temperature difference, form the condensed water of equilibrium, prevent that pressure and flow waves occur when subsequent condensation water from supplying
It is dynamic；
S2, condensing hot air furnace path selected according to the temperature and water level automated intelligent of hot water in boiler 700；
S21, when the hot water temperature that temperature sensor 710 is detected in boiler 700 maintains 55-60 DEG C, and work as liquid
When level sensor 720 detects that the hot water in boiler 700 reaches setting liquid level, now, the hot water in boiler 700 need not
Heating, the second feedback controller 920 control small pump 430 are closed, and the first feedback controller 910 control hot water circulating pump 420 closes
Close, the delivery port of 910 current divider of the first feedback controller 510 first opens and closes the delivery port of current divider 510 second, tank
Condensed water in 400 is directly pumped into every group of precool heat exchanger device via after the heat exchange of handpiece Water Chilling Units 500 by the second chilled water pump 440
300 condensing water inlet end.Now, condensed water is successively by tank 400, the first chilled water pump 410, current divider 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 are complete
Portion enters handpiece Water Chilling Units 500, is exchanged heat in handpiece Water Chilling Units 500, further reduced cold with refrigerant by low temperature cold condensate
The temperature of condensate, the temperature of condensed water can be cooled to 7-8 DEG C by 16 DEG C, the condensed water after cooling is then cold by second
Freeze water pump 440 and be directly pumped into each group precool heat exchanger device 300, thus the refrigerating capacity of condensed water can be made to pass through refrigerant
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 fresh air is cooled in advance, its heat exchange efficiency is cooled in advance much larger than 16 DEG C of condensed waters to fresh air, positive reason
Under condition, 16 DEG C of condensed waters can carry out fresh air to be cooled to 32 DEG C in advance, and 7-8 DEG C of condensed water can carry out fresh air be cooled to 25- in advance
28 DEG C, the temperature after fresh air cools in advance is lower, then fresh air can when being exchanged heat with main heat exchanger 200 saves more refrigerants
And power consumption；So as to reach energy-saving effect；
S22, when liquid level sensor 720 detects hot water in boiler 700 less than setting liquid level, the second feedback control
Device 920 controls small pump 430 to open, water supply tank 800 by the moisturizing of boiler 700 to setting liquid level, if water supply tank 800 is by hot water
For the moisturizing of case 700 to when setting liquid level, temperature sensor 710 detects that the hot water temperature in boiler 700 still maintains 55-60
DEG C, the first feedback controller 910 control hot water circulating pump 420 is closed, and the first feedback controller 910 opens current divider 510 first
Delivery port and close the delivery port of current divider 510 second, now, condensed water still by tank 400, the first chilled water pump 410,
Current divider 510, handpiece Water Chilling Units 500, the recovery for collaborating device 520, the second chilled water pump 440, precool heat exchanger device 300, tank 400
Approach；By the moisturizing of boiler 700 to when setting liquid level, if temperature sensor 710 detects in boiler 700 water supply tank 800
Hot water temperature maintain 40-54 DEG C, the first feedback controller 910 control hot water circulating pump 420 is opened, and passes through the first feedback control
Device 910 processed opens the delivery port of current divider 510 first and the second delivery port simultaneously, and partial condensation water enters heat pump 600 as thermal source,
Enter after heat exchange and collaborate device 520, the hot water in boiler is pumped into cycle heat exchange in heat pump, and other part condensed water is via cold
Water dispenser group 500 enters interflow device 520 after exchanging heat, partial condensation water and process handpiece Water Chilling Units 500 after heat pump heat exchanging cools down
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 temperature sensor 710 detects that the hot water temperature in boiler 700 maintains 55-60
DEG C, the second delivery port of the first feedback controller 910 control hot water circulating pump 420 and current divider 510 is closed.In such cases,
Because condensed water can be cooled to 12 DEG C after heat pump 600 absorbs latent heat, the temperature of the chilled water outlet of heat pump 600 is above cold
The temperature of condensed water after water set heat exchange, after interflow device 520 mixes, the temperature of condensed water can about maintain 8-10 for both
DEG C, the effect that now fresh air cools in advance reduces compared to the first situation, the refrigerant that fresh air consumes when being exchanged heat with main heat exchanger
And power consumption raises with respect to the first situation, but the latent heat in partial condensation water had both been reclaimed in such a recovery path, and efficiently
Pre-cooling of fresh air is realized, has reclaimed the cold in condensed water.
S23, when temperature sensor 710 detects that hot water temperature in boiler 700 is less than 40 DEG C, the first feedback control
Device 910 controls hot water circulating pump 420 to open, while the first feedback controller 910 opens the delivery port of current divider 510 second and closing
First delivery port, the condensed water in tank 400 all enter heat pump 600 as thermal source, quick to cause following in boiler 700
Ring hot water is warming up to more than 55 DEG C.Now condensed water is all successively by tank 400, the first chilled water pump 410, current divider
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 as thermal source so that the circulating hot water in boiler is rapidly heated to more than 55 DEG C.
Now the hot water heating rate in boiler 700 is accelerated, but the condensate temperature in the exit of heat pump 600 maintains 12 DEG C of left sides
The right side, the effect that fresh air cools in advance are further deteriorated, and the refrigerant and power consumption that fresh air consumes when being exchanged heat with main heat exchanger 200 enter one
Step rises, but compares traditional central air-conditioning, and energy consumption is still greatly reduced.
S3, constantly circulate increased condensation water quantity pass through the overflow of tank 400 reclaim.
Described above is presently preferred embodiments of the present invention, but the present invention should not be limited to the embodiment and accompanying drawing institute is public
The content opened, so every do not depart from the lower equivalent or modification completed of spirit disclosed in this invention, both fall within protection of the present invention
Scope.
Claims (4)
1. a kind of central air-conditioning condensation water recovery system, including：At least one set of Fresh air handing unit (100), every group of fresh air
Main heat exchanger (200) is respectively mounted in processing unit (100), main heat exchanger (200) side is provided with precool heat exchanger device
(300), the fresh air in Fresh air handing unit (100) carries out hot friendship with precool heat exchanger device (300) and main heat exchanger (200) successively
Change, 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 gathered in group water accumulating disc (310) passes 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 interior condensed water collected of each water accumulating disc (310) pass through pipe
Road is pooled to tank (400), and the condensed water in tank (400) is delivered to current divider by the first chilled water pump (410)
(510), the first delivery port of the current divider (510) is connected to the chilled water inlet of handpiece Water Chilling Units (500), the handpiece Water Chilling Units
(500) chilled water outlet is connected to the first water inlet of interflow device (520), and the second delivery port of the current divider (510) connects
The chilled water inlet of heat pump (600) is connected to, the chilled water outlet of heat pump (600) is connected to the second water inlet of interflow device (520),
The delivery port of the 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 the heat pump (600) is connected to the water inlet of boiler (700), the hot water by pipeline
First delivery port of case (700) is directly used in hot water emission, and the second delivery port of the boiler (700) passes through hot water circulating pump
(420) hot water inlet of heat pump (600) is connected to, the delivery port of water supply tank (800) is connected to boiler by small pump (430)
(700) water supplement port；
Temperature sensor (710) is installed on the boiler (700), the signal output part of the temperature sensor (710) with
The signal input part connection of first feedback controller (910), the signal output part of first feedback controller (910) connect respectively
It is connected to hot water circulating pump (420) and current divider (510)；
Liquid level sensor (720) is installed on the boiler (700), the signal output part of the liquid level sensor (720) with
The signal input part connection of second feedback controller (920), the signal output part of second feedback controller (920) connect respectively
It is connected to small pump (430) and interflow device (520)；
Condensing hot air furnace approach is as follows in the system：
1) when the hot water temperature that temperature sensor (710) is detected in boiler (700) maintains 55-60 DEG C, and liquid level is worked as
When sensor (720) detects that the hot water in boiler (700) reaches setting liquid level, now, the hot water in boiler (700) is not
Need to heat, the second feedback controller (920) control small pump (430) is closed, and the first feedback controller (910) control hot water follows
Ring pump (420) is closed, and the first feedback controller (910) opens the delivery port of current divider (510) first and closes current divider (510)
Second delivery port, the condensed water in tank (400) are straight by the second chilled water pump (440) after being exchanged heat via handpiece Water Chilling Units (500)
Connect the condensing water inlet end for being pumped into every group of precool heat exchanger device (300)；Now, condensed water successively by tank (400),
It is first chilled water pump (410), current divider (510), handpiece Water Chilling Units (500), interflow device (520), the second chilled water pump (440), pre-
The recovery approach of cold heat exchanger (300), tank (400), condensed water fully enter handpiece Water Chilling Units (500), pass through cryogenic condensation
Water is exchanged heat with refrigerant in handpiece Water Chilling Units (500), further reduces the temperature of condensed water, can be by the temperature of condensed water
7-8 DEG C is cooled to by 16 DEG C, it is pre- that the condensed water after cooling is then directly pumped into each group by the second chilled water pump (440)
Cold heat exchanger (300)；
2) when the hot water that liquid level sensor (720) is detected in boiler (700) is less than setting liquid level, the second feedback controller
(920) control small pump (430) open, water supply tank (800) by boiler (700) moisturizing to liquid level is set, if water supply tank
(800) by boiler (700) moisturizing to when setting 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) control hot water circulating pump (420) is closed, the first feedback controller
(910) open the delivery port of current divider (510) first and close the delivery port of current divider (510) second, now, condensed water still passes through
Tank (400), the first chilled water pump (410), current divider (510), handpiece Water Chilling Units (500), interflow device (520), the second freezing
Water pump (440), precool heat exchanger device (300), the recovery approach of tank (400)；If water supply tank (800) is by boiler (700)
To when setting liquid level, temperature sensor (710) detects that the hot water temperature in boiler (700) maintains 40-54 DEG C for moisturizing, the
One feedback controller (910) control hot water circulating pump (420) is opened, and by the first feedback controller (910) while opens shunting
The delivery port of device (510) first and the second delivery port, partial condensation water enter heat pump (600) as thermal source, and interflow is entered after heat exchange
Device (520), the hot water in boiler (700) are pumped into cycle heat exchange in heat pump, and other part condensed water is via handpiece Water Chilling Units
(500) interflow device (520) is entered after exchanging heat, partial condensation water and process handpiece Water Chilling Units (500) after heat pump heat exchanging cools down
After the partial condensation water of cooling mixes in interflow device (520), every group of precooling is directly pumped into by the second chilled water pump (440)
The condensing water inlet end of heat exchanger (300), until temperature sensor (710) detects hot water temperature's dimension in boiler (700)
Hold at 55-60 DEG C, the first feedback controller（ 910）Control the second delivery port of hot water circulating pump (420) and current divider (510)
Close；
3) when the hot water temperature that temperature sensor (710) is detected in boiler (700) is less than 40 DEG C, the first feedback controller
(910) hot water circulating pump (420) is controlled to open, while the first feedback controller (910) opens the delivery port of current divider (510) second
With close the first delivery port, the condensed water in tank (400) all enters heat pump (600) as thermal source, quickly causes hot water
Circulating hot water in case (700) is warming up to more than 55 DEG C；Now condensed water is all successively by tank (400), the first freezing
Water pump (410), current divider (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), the condensed water in tank all enter heat pump as thermal source so that in boiler
Circulating hot water be rapidly heated to more than 55 DEG C.
2. central air-conditioning condensation water recovery system as claimed in claim 1, it is characterised in that：The heat pump (600) is water water
Heat pump.
3. central air-conditioning condensation water recovery system as claimed in claim 1, it is characterised in that：The main heat exchanger (200) and
The delivery port of precool heat exchanger device (300) is condensation water collection mouth.
A kind of 4. recovery method using central air-conditioning condensation water recovery system as claimed in claim 1, it is characterised in that tool
Body comprises the following steps：
S1, caused condensed water in main heat exchanger in central air-conditioning (200) and precool heat exchanger device (300) passed through into water accumulating disc
(310) collect, the condensed water that each water accumulating disc (310) is collected eliminates tank by pipe influx to tank (400)
(400) pressure, flow and the temperature difference between interior condensed water；
S2, condensing hot air furnace path selected according to the temperature and water level automated intelligent of boiler (700) interior hot water；
S21, when the hot water temperature that temperature sensor (710) is detected in boiler (700) maintains 55-60 DEG C, and work as liquid
When level sensor (720) detects that the hot water in boiler (700) reaches setting liquid level, the second feedback controller (920) control
Small pump (430) is closed, and the first feedback controller (910) control hot water circulating pump (420) is closed, the first feedback controller
(910) open the delivery port of current divider (510) first and close the delivery port of current divider (510) second, the condensation in tank (400)
Water by the second chilled water pump (440) is directly pumped into every group of precool heat exchanger device (300) after being exchanged heat via handpiece Water Chilling Units (500)
Condensing water inlet end；
S22, when liquid level sensor (720) detects hot water in boiler (700) less than setting liquid level, the second feedback control
Device (920) control small pump (430) open, water supply tank (800) by boiler (700) moisturizing to liquid level is set, if water supply tank
(800) by boiler (700) moisturizing to when setting 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) control hot water circulating pump (420) is closed, the first feedback controller
(910) open the delivery port of current divider (510) first and close the delivery port of current divider (510) second, the condensation in tank (400)
Water by the second chilled water pump (440) is directly pumped into every group of precool heat exchanger device (300) after being exchanged heat via handpiece Water Chilling Units (500)
Condensing water inlet end；By boiler (700) moisturizing to when setting liquid level, if temperature sensor (710) detects water supply tank (800)
40-54 DEG C is maintained to the hot water temperature in boiler (700), the first feedback controller (910) control hot water circulating pump (420)
Open, by the first feedback controller (910) while open the delivery port of current divider (510) first and the second delivery port, part are cold
Condensate enters heat pump as thermal source, enters after heat exchange and collaborates device (520), and the hot water in boiler is pumped into circulating picture-changing in heat pump
Heat, other part condensed water enters interflow device (520) after being exchanged heat via handpiece Water Chilling Units (500), after heat pump heat exchanging cools down
After partial condensation water and partial condensation water by handpiece Water Chilling Units (500) cooling mix 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) is examined
Measure the hot water temperature in boiler (700) and maintain 55-60 DEG C, the first feedback controller (910) control hot water circulating pump
(420) and current divider (510) the second delivery port close；
S23, when temperature sensor (710) detects that hot water temperature in boiler (700) is less than 40 DEG C, the first feedback control
Device (910) control hot water circulating pump (420) is opened, while the first feedback controller (910) opens the water outlet of current divider (510) second
Mouthful and close the first delivery port, the condensed water in tank (400) all enters heat pump (600) as thermal source, quickly so that hot
Circulating hot water in water tank (700) is warming up to more than 55 DEG C, then the first feedback controller (910) control hot water circulating pump
(420) closed with the second delivery port of current divider (510), and open the first delivery port of current divider (510)；
S3, constantly circulate increased condensation water quantity pass through tank (400) overflow reclaim.
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