CN105202656A - Fresh air dehumidification system and method - Google Patents
Fresh air dehumidification system and method Download PDFInfo
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- CN105202656A CN105202656A CN201510598101.8A CN201510598101A CN105202656A CN 105202656 A CN105202656 A CN 105202656A CN 201510598101 A CN201510598101 A CN 201510598101A CN 105202656 A CN105202656 A CN 105202656A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000007791 dehumidification Methods 0.000 title claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims description 27
- 239000003507 refrigerant Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- 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
- F24F3/12—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 characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—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 characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- 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
- F24F3/12—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 characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—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 characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—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 characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—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 characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a fresh air dehumidification system and a method. The fresh air dehumidification system comprises a compressor, an evaporator, an air-cooled condenser and a water-cooled condenser, wherein the air-cooled condenser and the water-cooled condenser are arranged in parallel, the inlet of the air-cooled condenser and the inlet of the water-cooled condenser are both connected with the outlet of the compressor, and the outlet of the air-cooled condenser and the outlet of the water-cooled condenser are both connected with the inlet of the compressor through the evaporator. The invention can directly distribute the refrigeration system to the air-cooled condenser and the water-cooled condenser which are arranged in parallel, thereby respectively adjusting the flow in the two condensers, obtaining the air outlet temperature adjusting range with wider range, and in addition, the invention can fully exert the condensing capacity of the air-cooled condenser, so that the temperature field distribution of the air outlet temperature is more uniform, and the invention has the characteristics of simple structure and low cost.
Description
Technical field
The present invention relates to fresh air dehumidifier field, in particular to a kind of fresh air dehumidifying system and method.
Background technology
In current fresh air dehumidifier, new wind is: precooling surface cooler → evaporimeter → air-cooled condenser, then be sent to indoor.New wind is first lowered the temperature with the heat exchange of precooling surface cooler, precooling surface cooler bears a part of thermic load, and then through lowering the temperature with the further heat exchange of evaporimeter, complete dehumidifying, the more indoor original temperature of this stylish air temperature is low, and be the temperature constant in holding chamber, new wind need through air-cooled condenser, be raised to suitable temperature, be then sent to indoor.The condensation temperature of air-cooled condenser directly affects leaving air temp, but air-cooled condenser is the series connection downstream being in water-cooled condenser in refrigeration systems, and condensation temperature is by upstream influences.
Summary of the invention
There is provided in the embodiment of the present invention that a kind of structure is simple, cost is low, leaving air temp adjustable range be large, the more uniform fresh air dehumidifying system of thermo parameters method and method.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of fresh air dehumidifying system, comprise compressor, evaporimeter, air-cooled condenser and water-cooled condenser, air-cooled condenser and water-cooled condenser are arranged in parallel, and the entrance of air-cooled condenser is all connected with the outlet of compressor with the entrance of water-cooled condenser, the outlet of air-cooled condenser is all connected with the entrance of compressor by evaporimeter with the outlet of water-cooled condenser.
As preferably, air-cooled condenser is finned cooler, and water-cooled condenser is Shell-tube Condenser.
As preferably, fresh air dehumidifying system also comprises precooling surface cooler, is arranged on the inlet side of evaporimeter.
As preferably, fresh air dehumidifying system also comprises: first flow adjusting device, is arranged on the connecting line between the outlet of compressor and the entrance of air-cooled condenser; Second quantity regulating device, is arranged on the connecting line between the outlet of compressor and the entrance of water-cooled condenser; Air-supply temperature-sensitive bag, be connected with first flow adjusting device and second quantity regulating device, for obtaining wind pushing temperature to reduce the aperture of second quantity regulating device lower than the lower aperture increasing in limited time first flow adjusting device of design temperature scope at wind pushing temperature or to increase the aperture of second quantity regulating device at wind pushing temperature higher than the upper aperture reducing first flow adjusting device in limited time of design temperature scope simultaneously simultaneously.
As preferably, on the pipeline that the outlet of air-cooled condenser is connected with evaporimeter and/or on the pipeline that is connected with evaporimeter of the outlet of water-cooled condenser, be provided with check valve.
Present invention also offers a kind of fresh air dehumidification method, comprising: the gaseous refrigerant that compressor exports is supplied to respectively after the air-cooled condenser that is arranged in parallel and water-cooled condenser carry out heat exchange and becomes liquid refrigerant; Liquid refrigerant is entered in evaporimeter to carry out cool-down dehumidification to new wind; Regulate the flow flowing to the cold-producing medium of air-cooled condenser and water-cooled condenser, remain within the scope of design temperature to make leaving air temp.
As preferably, adopt finned cooler as air-cooled condenser, adopt Shell-tube Condenser as water-cooled condenser.
As preferably, fresh air dehumidification method also comprises: obtain wind pushing temperature; Increase in limited time lower than design temperature scope lower the flow flowing to air-cooled condenser at wind pushing temperature reduce to flow to the flow of water-cooled condenser simultaneously or increase higher than the upper flow reducing to flow to air-cooled condenser in limited time of design temperature scope the flow flowing to water-cooled condenser at wind pushing temperature simultaneously.
As preferably, fresh air dehumidification method also comprises: when wind pushing temperature is between the upper limit and lower limit, maintains the flow flowing to air-cooled condenser and water-cooled condenser constant.
As preferably, fresh air dehumidification method also comprises: obtain design temperature and design temperature deviation; Using the difference of design temperature and design temperature deviation as lower limit; Using design temperature and design temperature deviation sum as the upper limit.
Refrigerated medium can directly be assigned in the air-cooled condenser and water-cooled condenser be arranged in parallel by the present invention, thus the flow in these two condensers can be regulated respectively, the leaving air temp adjustable range that acquisition scope is wider, in addition, the condensing capacity of air-cooled condenser can also be given full play to, make the thermo parameters method of leaving air temp more even, have the advantages that structure is simple, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fresh air dehumidifying system of the embodiment of the present invention;
Fig. 2 is the schematic diagram of the fresh air dehumidifying system of the embodiment of the present invention;
Fig. 3 is the flow chart of the fresh air dehumidification method of the embodiment of the present invention.
Description of reference numerals:
1, compressor; 2, evaporimeter; 3, air-cooled condenser; 4, water-cooled condenser; 5, precooling surface cooler; 6, first flow adjusting device; 7, second quantity regulating device; 8, air-supply temperature-sensitive bag; 9, check valve; 10, throttling arrangement; 11, pressure fan; 12, water outlet temperature-sensitive bag; 13, water inlet temperature-sensitive bag.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Applicant studies rear discovery, for controlling the condensation heat load proportion that leaving air temp needs reasonable distribution air-cooled condenser and water-cooled condenser to bear.But, in the prior art, because air-cooled condenser and water-cooled condenser are series connection, change cold-producing medium pro rate in the two impossible, can only indirectly by controlling the Inlet and outlet water temperature and the discharge that are in the water-cooled condenser of upstream, change the condensation heat load that water-cooled condenser is born, indirectly reach the object of the condensation heat load of adjustment air-cooled condenser, thus control leaving air temp.But, cold-producing medium is after water-cooled condenser, changed into the moist steam of two phases by overheated saturated gas, when moist steam shunting enters into air-cooled condenser, due to band liquid, shunting not easily divides evenly, have impact on the condensation effect of air-cooled condenser, cause the thermo parameters method on air-cooled condenser uneven, thus new wind is also uneven by what heat.
Please refer to Fig. 1 and Fig. 2, the invention provides a kind of fresh air dehumidifying system, comprise compressor 1, evaporimeter 2, air-cooled condenser 3 and water-cooled condenser 4, air-cooled condenser 3 and water-cooled condenser 4 are arranged in parallel, and the entrance of air-cooled condenser 3 is all connected with the outlet of compressor 1 with the entrance of water-cooled condenser 4, the outlet of air-cooled condenser 3 is all connected by the entrance of evaporimeter 2 with compressor 1 with the outlet of water-cooled condenser 4.In a preferred embodiment, air-cooled condenser 3 is finned cooler, and water-cooled condenser 4 is Shell-tube Condenser.Preferably, the porch of evaporimeter 2 is provided with throttling arrangement 10, to regulate the flow entering evaporimeter 2.Preferably, evaporimeter 2 is evaporator fin.
During work, a part for the gaseous refrigerant of the HTHP that compressor 1 is exported enters in air-cooled condenser 3, simultaneously, another part gaseous refrigerant is made to enter water-cooled condenser 4 (wherein, C in Fig. 1 is water inlet, D is delivery port), carry out heat exchange heat release with corresponding medium respectively and form the liquid refrigerant of high pressure, and entering in evaporimeter 2.New wind is sent by pressure fan 11 after flowing through evaporimeter 2, air-cooled condenser 3 successively by the arrow A in Fig. 1 to the direction of arrow B.In the process, the liquid refrigerant in evaporimeter 2 evaporates with regard to absorbing the heat in new wind and becomes gaseous refrigerant, makes new wind cool-down dehumidification.When the new wind of refrigerant suction heat and evaporate become gaseous refrigerant time, send into again in compressor, so constantly repeatedly circulate said process.
Owing to have employed technique scheme, because the flow of air-cooled condenser 3 and water-cooled condenser 4 is adjustable, therefore, refrigerated medium can directly be assigned in the air-cooled condenser 3 and water-cooled condenser 4 be arranged in parallel by the present invention, thus the flow in these two condensers can be regulated respectively, the leaving air temp adjustable range that acquisition scope is wider, in addition, the condensing capacity of air-cooled condenser can also be given full play to, make the thermo parameters method of leaving air temp more even, have the advantages that structure is simple, cost is low.
Preferably, fresh air dehumidifying system also comprises precooling surface cooler 5, is arranged on the inlet side of evaporimeter 2.Like this, new wind is first lowered the temperature with precooling surface cooler 5 heat exchange, and precooling surface cooler 5 bears a part of thermic load, and then through lowering the temperature with the further heat exchange of evaporimeter 2, completes dehumidifying.
Preferably, fresh air dehumidifying system also comprises: first flow adjusting device 6, is arranged on the connecting line between the outlet of compressor 1 and the entrance of air-cooled condenser 3; Second quantity regulating device 7, is arranged on the connecting line between the outlet of compressor 1 and the entrance of water-cooled condenser 4; Air-supply temperature-sensitive bag 8, be connected with first flow adjusting device 6 and second quantity regulating device 7, for obtaining wind pushing temperature to reduce the aperture of second quantity regulating device 7 lower than the lower aperture increasing in limited time first flow adjusting device 6 of design temperature scope at wind pushing temperature or to increase the aperture of second quantity regulating device 7 at wind pushing temperature higher than the upper aperture reducing first flow adjusting device 6 in limited time of design temperature scope simultaneously simultaneously.Like this, according to the magnitude relationship between wind pushing temperature and the upper and lower bound of design temperature scope, the aperture of first flow adjusting device 6 and second quantity regulating device 7 can be controlled, thus regulating outlet air temperature, make leaving air temp have wider adjustable range.
Preferably, check valve 9 is provided with on the pipeline that is connected with evaporimeter 2 of the outlet of air-cooled condenser 3 and/or on the pipeline that is connected with evaporimeter 2 of the outlet of water-cooled condenser 4.By check valve 9, after can preventing sharp first flow adjusting device 6 and second quantity regulating device 7 from closing completely, the problem of collaborating.
Preferably, the water inlet C of water-cooled condenser 4 is provided with into water temperature-sensitive bag 13, the delivery port D of water-cooled condenser 4 is provided with water outlet temperature-sensitive bag 12.Like this, the temperature of water inlet and water outlet can be detected respectively.
Please refer to Fig. 3, present invention also offers a kind of fresh air dehumidification method, comprising: the gaseous refrigerant exported by compressor 1 is supplied to respectively after the air-cooled condenser 3 that is arranged in parallel and water-cooled condenser 4 carry out heat exchange and becomes liquid refrigerant; Liquid refrigerant is entered in evaporimeter 2 to carry out cool-down dehumidification to new wind; Regulate the flow flowing to the cold-producing medium of air-cooled condenser 3 and water-cooled condenser 4, remain within the scope of design temperature to make leaving air temp.Preferably, adopt finned cooler as air-cooled condenser 3, adopt Shell-tube Condenser as water-cooled condenser 4.
During work, a part for the gaseous refrigerant of the HTHP that compressor 1 is exported enters in air-cooled condenser 3, simultaneously, another part gaseous refrigerant is made to enter in water-cooled condenser 4, carry out heat exchange heat release with corresponding medium respectively and form the liquid refrigerant of high pressure, and entering in evaporimeter 2.Like this, the liquid refrigerant in evaporimeter 2 evaporates with regard to absorbing the heat in new wind and becomes gaseous refrigerant, makes new wind cool-down dehumidification.When the new wind of refrigerant suction heat and evaporate become gaseous refrigerant time, send into again in compressor, so constantly repeatedly circulate said process.
Owing to have employed technique scheme, refrigerated medium can directly be assigned in the air-cooled condenser 3 and water-cooled condenser 4 be arranged in parallel by the present invention, thus the flow in these two condensers can be regulated respectively, the leaving air temp adjustable range that acquisition scope is wider, in addition, the condensing capacity of air-cooled condenser can also be given full play to, make the thermo parameters method of leaving air temp more even, have the advantages that structure is simple, cost is low.
Preferably, fresh air dehumidification method also comprises: obtain wind pushing temperature; Increase in limited time lower than design temperature scope lower the flow flowing to air-cooled condenser 3 at wind pushing temperature reduce to flow to the flow of water-cooled condenser 4 simultaneously or increase higher than the upper flow reducing to flow to air-cooled condenser 3 in limited time of design temperature scope the flow flowing to water-cooled condenser 4 at wind pushing temperature simultaneously.Like this, according to the magnitude relationship between wind pushing temperature and the upper and lower bound of design temperature scope, the aperture of first flow adjusting device 6 and second quantity regulating device 7 can be controlled, thus regulating outlet air temperature, make leaving air temp have wider adjustable range.
Such as, when wind pushing temperature shows that the heat dissipation capacity of air-cooled condenser is inadequate lower than the lower of design temperature scope, therefore, needs the flow tuning up air-cooled condenser in limited time, thus the thermal discharge of increase air-cooled condenser; Meanwhile, the thermal discharge of water-cooled condenser be reduced, to reach the object of regulating outlet air temperature.
Preferably, fresh air dehumidification method also comprises: when wind pushing temperature is between the upper limit and lower limit, maintains the flow flowing to air-cooled condenser 3 and water-cooled condenser 4 constant.
Preferably, fresh air dehumidification method also comprises: obtain design temperature and and design temperature deviation; Using the difference of design temperature and design temperature deviation as lower limit; Using design temperature and design temperature deviation sum as the upper limit.
With a preferred embodiment, control procedure of the present invention is described below.Suppose that the leaving air temp of surveying is T
real, design temperature is T, and design temperature deviation is Δ P, then:
(1) if T
real< T-Δ P, the flow (i.e. the aperture of first flow adjusting device 6) of air-cooled condenser increases, and the flow of water-cooled condenser (i.e. the aperture of second quantity regulating device 7) reduces;
(2) T
real> T+ Δ P, the flow (i.e. the aperture of first flow adjusting device 6) of air-cooled condenser reduces, and the flow of water-cooled condenser (i.e. the aperture of second quantity regulating device 7) increases;
(3) T-Δ P≤T
real≤ T+ Δ P, then continue the constant of the flow maintaining former air-cooled condenser and water-cooled condenser, the aperture namely maintaining first flow adjusting device 6 and second quantity regulating device 7 is constant.
Owing to have employed technique scheme, the invention solves in prior art and carry out regulating outlet air temperature by Inlet and outlet water temperature, so that limited adjustment range is in the adjustable range of water temperature, thus need the extra problem that the similar devices such as cooling tower are regulated, reduce the difficulty of adjustment.In addition, due to air-cooled condenser and water-cooled condenser are arranged in parallel, therefore, the exchange capability of heat of air-cooled condenser can be played fully, make leaving air temp more even, the serviceability temperature occasion scope of unit is more widened, makes the environment for use temperature fluctuation of client less, improve temperature and humidity control precision.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a fresh air dehumidifying system, it is characterized in that, comprise compressor (1), evaporimeter (2), air-cooled condenser (3) and water-cooled condenser (4), described air-cooled condenser (3) and described water-cooled condenser (4) are arranged in parallel, and the entrance of described air-cooled condenser (3) is all connected with the outlet of described compressor (1) with the entrance of described water-cooled condenser (4), the outlet of described air-cooled condenser (3) is all connected by the entrance of described evaporimeter (2) with described compressor (1) with the outlet of described water-cooled condenser (4).
2. fresh air dehumidifying system according to claim 1, is characterized in that, described air-cooled condenser (3) is finned cooler, and described water-cooled condenser (4) is Shell-tube Condenser.
3. fresh air dehumidifying system according to claim 1, is characterized in that, described fresh air dehumidifying system also comprises precooling surface cooler (5), is arranged on the inlet side of described evaporimeter (2).
4. fresh air dehumidifying system according to claim 1, is characterized in that, described fresh air dehumidifying system also comprises:
First flow adjusting device (6), is arranged on the connecting line between the outlet of described compressor (1) and the entrance of described air-cooled condenser (3);
Second quantity regulating device (7), is arranged on the connecting line between the outlet of described compressor (1) and the entrance of described water-cooled condenser (4);
Air-supply temperature-sensitive bag (8), be connected with described first flow adjusting device (6) and described second quantity regulating device (7), for obtaining wind pushing temperature to reduce the aperture of described second quantity regulating device (7) lower than the lower aperture increasing described first flow adjusting device (6) in limited time of design temperature scope at described wind pushing temperature or to increase the aperture of described second quantity regulating device (7) at described wind pushing temperature higher than the upper aperture reducing described first flow adjusting device (6) in limited time of described design temperature scope simultaneously simultaneously.
5. fresh air dehumidifying system according to claim 1, it is characterized in that, on the pipeline that the outlet of described air-cooled condenser (3) is connected with described evaporimeter (2) and/or on the pipeline that is connected with described evaporimeter (2) of the outlet of described water-cooled condenser (4), be provided with check valve (9).
6. a fresh air dehumidification method, is characterized in that, comprising:
The gaseous refrigerant that compressor (1) exports is supplied to respectively after the air-cooled condenser (3) be arranged in parallel and water-cooled condenser (4) carry out heat exchange and becomes liquid refrigerant;
Described liquid refrigerant is entered in evaporimeter (2) to carry out cool-down dehumidification to new wind;
Adjustment flows to the flow of the cold-producing medium of described air-cooled condenser (3) and described water-cooled condenser (4), remains within the scope of design temperature to make leaving air temp.
7. fresh air dehumidification method according to claim 6, is characterized in that, adopts finned cooler as described air-cooled condenser (3), adopts Shell-tube Condenser as described water-cooled condenser (4).
8. fresh air dehumidification method according to claim 6, is characterized in that, described fresh air dehumidification method also comprises:
Obtain wind pushing temperature;
Reduce to flow to the flow of described water-cooled condenser (4) lower than the flow that the lower increase in limited time of described design temperature scope flows to described air-cooled condenser (3) simultaneously at described wind pushing temperature or increase at the flow that described wind pushing temperature flows to described air-cooled condenser (3) higher than the upper reduction in limited time of described design temperature scope the flow flowing to described water-cooled condenser (4) simultaneously.
9. fresh air dehumidification method according to claim 8, is characterized in that, described fresh air dehumidification method also comprises:
When described wind pushing temperature is between the described upper limit and described lower limit, maintain the flow flowing to described air-cooled condenser (3) and described water-cooled condenser (4) constant.
10. fresh air dehumidification method according to claim 8, is characterized in that, described fresh air dehumidification method also comprises:
Obtain design temperature and design temperature deviation;
Using the difference of described design temperature and described design temperature deviation as described lower limit;
Using described design temperature and described design temperature deviation sum as the described upper limit.
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| CN201510598101.8A CN105202656A (en) | 2015-09-18 | 2015-09-18 | Fresh air dehumidification system and method |
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| CN201510598101.8A CN105202656A (en) | 2015-09-18 | 2015-09-18 | Fresh air dehumidification system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106257146A (en) * | 2016-06-16 | 2016-12-28 | 浙江欧伦电气有限公司 | A kind of underload high-temperature dehumidifier |
| CN110701691A (en) * | 2019-10-14 | 2020-01-17 | 珠海格力电器股份有限公司 | Fresh air handling unit and control method |
| CN112378058A (en) * | 2020-11-17 | 2021-02-19 | 雷内里·弗朗切斯科 | Control method of fresh air machine |
| CN112413754A (en) * | 2020-12-07 | 2021-02-26 | 珠海格力电器股份有限公司 | Air dehumidification system and method and air conditioning equipment |
| CN115751663A (en) * | 2022-11-28 | 2023-03-07 | 贵州电网有限责任公司 | Automatic regulating device and method for heat dissipation load of central air conditioner external unit |
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