CN110454880A - Xeothermic severe cold cold climate area's whole year is with Fresh air handing air-conditioner set and application method - Google Patents
Xeothermic severe cold cold climate area's whole year is with Fresh air handing air-conditioner set and application method Download PDFInfo
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- CN110454880A CN110454880A CN201910608414.5A CN201910608414A CN110454880A CN 110454880 A CN110454880 A CN 110454880A CN 201910608414 A CN201910608414 A CN 201910608414A CN 110454880 A CN110454880 A CN 110454880A
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- 238000011084 recovery Methods 0.000 claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims description 61
- 238000005057 refrigeration Methods 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 17
- 238000007710 freezing Methods 0.000 claims description 9
- 230000008014 freezing Effects 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 230000036541 health Effects 0.000 description 5
- 230000009172 bursting Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005534 acoustic noise Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
-
- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F3/147—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 with both heat and humidity transfer between supplied and exhausted air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F2012/007—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using a by-pass for bypassing the heat-exchanger
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
Abstract
The present invention discloses a kind of xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set, including fresh air duct, return airway and heat recovery apparatus；Fresh air duct is disposed with fresh wind port, fresh air fillter section, preheating section, surface cooling section, the direct evaporator section of fresh air, bringing-up section and breeze fan section；Return airway is disposed with return air inlet, return air fillter section, the direct evaporator section of fresh air and exhaust fan section；Heat recovery apparatus is in fresh air duct part between preheating section and surface cooling section, heat recovery apparatus is directly evaporating between exhaust fan section in return airway part, and the invention also discloses the application methods of above-mentioned xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set.Xeothermic severe cold cold climate area's whole year provided by the invention is with Fresh air handing air-conditioner set and application method, a set of fresh air processor air-conditioner set, annual safe and reliable, annual fresh air less energy consumption can be shared the summer in winter, economical operation environmental protection, has fully ensured that winter indoor air quality.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to xeothermic severe cold cold climate area's whole year Fresh air handing skies
Adjust unit and application method.
Background technique
The outer relative air humidity of dry hot climate compartment is low, and water capacity is low, and water contacts easy evaporation with air, and air is humidified again
During, water evaporation absorbs heat and makes air cooling-down.Dry hot climate area outdoor air renewable energy (evaporation cooling) scale is big,
Distribution is wide, sustainable use, cleanliness without any pollution.
Evaporative Cooling Air Conditioning technology is used widely with its advantageous advantage in dry hot climate area, however these areas
Domain winter is very long, belongs to severe cold or cold climate area, existing xeothermic severe cold cold climate area's whole year Fresh air handing air conditioner
Group, because not fully considering use in winter situation, is idle more in winter in such area, leads to a set of air-conditioning system to involve great expense
System is only used for of short duration summer, causes significant wastage.
As the improvement of people's living standards, there has also been higher for air quality of the people to indoor life, working environment
It is required that.Severe cold, cold district summer can improve indoor air quality by increasing fresh air volume, to reach " Interior Space makings
Amount standard " GB/T18883-2002 requirement, and winter in order to reach room temperature requirement, reduce winter heat loss, usually not
Use fresh air；With the raising of building air-tightness, the positions such as window inleakage is increasingly reduced, and room air does not circulate for a long time, inevitable
Indoor CO2, PM2.5 isoconcentration is caused to increase, the harmful gas concentrations such as new building indoor formaldehyde, organic volatile are exceeded, sternly
Ghost image rings indoor air quality.
Severe cold or cold climate area winter cold are very long, and summer sweltering heat is of short duration, severe cold, cold climate area heat supply in winter duration
(4392h) is much larger than summer cooling duration (540h).Therefore, winter fresh air energy consumption is much larger than summer fresh air energy consumption, it has also become the winter
Principal contradiction in season building energy consumption.
Summary of the invention
The present invention is directed to xeothermic severe cold cold climate area's whole years with Fresh air handing air-conditioner set and application method, can it is annual altogether
With a set of air-conditioner set, the waste of air-conditioning system investment is not only reduced, while winter indoor air quality can be improved, the unit winter
Season can be safe and reliable, and based on winter saving energy, realizes annual efficient operation, energy saving.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
Xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set disclosed by the invention, including fresh air duct, return
Wind air duct and it is set to the recuperation of heat for carrying out heat exchange on the fresh air duct and the return airway for fresh air and return air
Device；
It is straight that the fresh air duct along the direction of new wind flow is disposed with fresh air fillter section, preheating section, surface cooling section, fresh air
Evaporator section, bringing-up section and breeze fan section are connect, the beginning of the fresh air duct is provided with fresh wind port, the end of the fresh air duct
It is provided with air outlet；
The return airway is disposed with return air fillter section, the direct evaporator section of return air and row along the direction that return air flows
Wind fan section, the beginning of the return airway are provided with return air inlet, and the end of the return airway is provided with exhaust outlet；
The heat recovery apparatus in the fresh air duct part between the preheating section and the surface cooling section, return by the heat
Receiving apparatus is in the return airway part between the direct evaporator section of the return air and the exhaust fan section.
The beneficial effects of the present invention are: increasing preheating section in Evaporative Cooling Air Conditioning, position is in heat recovery apparatus and fresh air
It between fillter section, and only uses in winter, winter outdoor fresh air temperature is low, only relies on heat recovery apparatus and is unable to satisfy room temperature
Demand at this time must preheat outdoor fresh air, the outdoor low temperature fresh air for entering fresh air duct is heated to T DEG C, T DEG C is preparatory
The temperature of setting can avoid directly steaming heat recovery apparatus in unit and surface cooling section, fresh air after outdoor Cryogenic air enters unit
Equipment in hair section and bringing-up section causes bursting by freezing, while providing condition for rotary-type heat regenerator winter new air heat-exchange；When certain
When a little climatic provinces outdoor temperature is higher, outdoor fresh air only leans on heat recovery apparatus and indoor return air to exchange heat, and air-supply can reach indoor
Temperature requirement, the preheating coil pipe of preheating section is closed at this time, can further energy conservation；When use in winter, the outdoor through fresh air fillter section
Fresh air is heated by preheating section, is exchanged heat and is heated up with indoor return air, rear to pass through hot arc again using the direct evaporator section equal-enthalpy humidifying of fresh air
Heating is sent into interior by pressure fan, and return air, with new air heat-exchange, drains into outdoor, use in winter by exhaust blower after return air fillter section
When, the equipment of the direct evaporator section of return air and surface cooling section does not work；Summer in use, outdoor fresh air with through the direct evaporator section of return air
Return air after equal-enthalpy humidifying, which exchanges heat, to cool down, indoor by being sent into after the direct evaporator section constant enthalpy cooling humidification of fresh air；When building is equipped with
When mechanical refrigeration cold source or larger refrigeration duty, it is desirable that fresh air supply air temperature is lower, then fresh air first passes through table after exchanging heat with return air
The wet cooling such as cold section, then indoor using being sent into after the direct evaporator section constant enthalpy cooling humidification of fresh air, summer is in use, preheating section
It does not work with the equipment of bringing-up section；Transition season in use, be not required to refrigeration or heat supply, only need ventilation, provided clearly for interior
The air of clean health, the at this time equipment and heat recovery apparatus of the direct evaporator section of unit preheating section, surface cooling section, bringing-up section, return air
It does not work, fresh air is after fresh air fillter section filters out dust, dust particle, particulate matter and the various suspended matters in air
Be sent into indoor, to ensure indoor air quality requirement, return air fillter section can be filtered return air, prevent dust in air,
Dust particle etc. blocks wet-film humidifying channel and runner heat recovery apparatus heat exchanger channels, prevent return airway gas-flow resistance increase and
The heat exchange efficiency of exhaust blower and rotary-type heat regenerator reduces, and so certifiable the annual of unit uses.
Further, it is additionally provided with fresh air bypass air duct in the fresh air duct, is additionally provided with back in the return airway
Wind bypasses air duct, and fresh air bypass air duct is set to the heat recovery apparatus and the fresh air duct junction, the fresh air
Bypass air duct and be connected to the preheating section and the surface cooling section, return air bypass air duct be set to the heat recovery apparatus with it is described
Return airway junction, return air bypass air duct is connected to the direct evaporator section of return air and the exhaust fan section, described new
The first air-valve is provided in wind bypass air duct, the return air bypass is provided with the second air-valve in air duct, and first air-valve is used for
The air quantity by fresh air bypass air duct is adjusted, second air-valve is used to adjust the wind by return air bypass air duct
Amount.
Beneficial effect using above-mentioned further embodiment is: when being less than or equal to 26 DEG C in transition season or outdoor temperature
When, runner heat recovery apparatus stops heat exchange, is only used as part fresh air and return airway, the first air-valve and the second air-valve are opened at this time
It opens, outdoor fresh air is after the filtering of fresh air fillter section, and fresh air passes through heat recovery apparatus and fresh air bypass air duct simultaneously, by pressure fan
To the air of the clean health of indoor feeding；Fresh air resistance when by heat recovery apparatus is big, and fresh air bypasses air duct and return air bypass
The setting in air duct so that transition season in use, fresh air and return airway drag reduction, fresh air air output increase in unit, simultaneously
It ensure that indoor temperature and humidity demand, to the air of the clean health of indoor feeding.
Further, the heat recovery apparatus is runner heat exchanger.
Beneficial effect using above-mentioned further scheme is: severe cold, cold most area whole year are arranged with fresh air system
It is long for cool time since winter indoor/outdoor temperature-difference is big when heat recovery apparatus, winter heat recovery efficiency should be paid close attention to；Runner changes
Rotary-type sensible heat heat regenerator or rotary-type complete hot heat regenerator can be used in hot device, if using rotary-type sensible heat heat regenerator,
For rotary-type sensible heat heat regenerator while guaranteeing summer wet-bulb temperature heat exchange efficiency is 60%--70%, winter heat exchange efficiency is very
To 70%--80% can be reached, good effect is attained by heating or cooling, especially at severe cold cold district winter
Between under long, environment that temperature is low, energy-efficient effect is good；If to fresh air cooling or can not only be added using rotary-type complete hot heat regenerator
Heat, while fresh air can also be humidified, and then reduce the humidification amount of the direct evaporator section of fresh air, reduce the power consumption of the direct evaporator section of fresh air
And water consume；When heating, the setting of rotary-type heat regenerator reduces the heating amount of fresh air preheating section heating coil, and energy-saving effect is aobvious
It writes；When refrigeration, heat recovery apparatus instead of conventional indirect evaporating-cooling section etc. wet temperature-fall period, air-conditioning system do not need to match
The cold source and refrigerant distributing system for setting the unit, reduce the investment of air-conditioning system；Summer unit fresh air duct and return airway
Interior air is no more than 3.5m/s by the face velocity maximum of heat recovery apparatus, it is ensured that fresh air can sufficiently exchange heat with return air, and protect
Demonstrate,proving unit noise will not be too big.
Further, the direct evaporator section of the fresh air and the direct evaporator section of the return air are provided with efficient wet-film humidifying and set
It is standby.
Beneficial effect using above-mentioned further scheme is: efficient wet film humidification apparatus is arranged in the direct evaporator section of fresh air, entirely
Year is applicable in xeothermic, severe cold or cold climate area with cooling Fresh air handing unit is evaporated, and the above-mentioned annual outdoor air in area is relatively wet
Spend low, water capacity is small, and wet-film humidifying equipment can be used in Summer and winter outdoor fresh air, not only reduces the initial cost of humidification apparatus, right
It is more significant than other humidification method energy-saving effects；Wet-film humidifying equipment is arranged in the direct evaporator section of return air, and summer is in use, indoor return air
After the cooling of direct evaporator section wet-film humidifying equipment equal-enthalpy humidifying, it is sent into heat recovery apparatus and new air heat-exchange；With without direct
The heat exchange efficiency of the comparison of evaporator section return air, rotary-type sensible heat heat regenerator improves about 70%, so that heat recovery apparatus amount of energy saving is big
Amplitude increases, and energy-saving effect is more significant；Using wet-film humidifying, Summer and winter shares a set of humidification apparatus, economically more rationally,
Annual energy-saving effect is more significant.
Further, the preheating section is provided with the first heating pipe dish, the inside and outside tube wall surface of the first heating pipe dish
It is provided with anti-corrosion layer, contains refrigerating medium in the heating agent in the first heating pipe dish.
Beneficial effect using above-mentioned further scheme is: refrigerating medium is added when use in winter, in heating agent can make first to add
The freezing point temperature of heating agent is less than or equal to -40 DEG C in heat pipe disk, reduces the first heating pipe dish and is frozen the risk split, plays anti-
Jelly effect；First heating pipe dish thermal coefficient is big, and heat exchange efficiency is high；First heating pipe dish inner and outer pipes wall surface is corrosion-resistant, to prevent
Only refrigerating medium etc. causes to corrode to tube wall, influences the first heating pipe dish service life.
Further, the third air-valve for opening or closing the fresh wind port and closed is provided at the fresh wind port
Property is good, and the 4th air-valve for opening or closing the exhaust outlet is provided at the exhaust outlet and airtightness is good, institute
When stating the closing of third air-valve, the fresh wind port is closed, and when the 4th air-valve is closed, the exhaust outlet is closed.
Beneficial effect using above-mentioned further scheme is: when use in winter, can play antifreeze effect.
The method that xeothermic severe cold cold climate area's whole year disclosed by the invention is used with Fresh air handing air-conditioner set whole year, is adopted
With above-mentioned xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set,
When refrigeration, outdoor fresh air enters the fresh air duct from the fresh wind port, enters after the fresh air fillter section
The heat recovery apparatus carries out heat exchange with the return air entered in the heat recovery apparatus from the return airway, then passes through
The direct evaporator section of fresh air carries out constant enthalpy cooling humidification, and fresh air is most sent into room from the air outlet through the breeze fan section afterwards
It is interior；Indoor return air enters the return airway from the return air inlet, and it is direct that the return air is entered after the return air fillter section
Evaporator section carries out equal-enthalpy humidifying, subsequently into the heat recovery apparatus, enters the heat recovery apparatus with from the fresh air duct
In fresh air carry out heat exchange, return air is most discharged through the exhaust fan section from the exhaust outlet afterwards, when refrigeration, the preheating section
It is closed with the equipment of the bringing-up section；
When heating, outdoor fresh air enters the fresh air duct by the fresh wind port, carries out being preheated to T by preheating section
Enter the heat recovery apparatus after DEG C, carry out heat exchange with the return air entered in the heat recovery apparatus from the return airway,
Then equal-enthalpy humidifying is carried out by the direct evaporator section of the fresh air, institute is again heated to fresh air using the bringing-up section
Supply air temperature is needed, fresh air is most sent into interior from the air outlet through the breeze fan section afterwards；Indoor return air passes through the return air
Mouth enters the heat recovery apparatus after entering the return airway, enters in the heat recovery apparatus with from the fresh air duct
Fresh air carries out heat exchange, is then discharged through the exhaust fan section from the exhaust outlet, when heating, the surface cooling section and described time
The equipment of the direct evaporator section of wind is closed.
When ventilation, the runner heat recovery apparatus and the direct evaporator section of the return air, the preheating section, the table
Cold section, the equipment of the direct evaporator section of the fresh air and the bringing-up section be turned off, outdoor fresh air enters institute by the fresh wind port
Fresh air duct is stated, is flowed after fresh air fillter section filtering along the fresh air duct, most afterwards through the breeze fan section from institute
It states air outlet and is sent into interior；Indoor return air enters the return airway by the return air inlet, filters through the return air fillter section
It flows along the return airway, is most discharged afterwards through the exhaust fan section from the exhaust outlet afterwards.
The beneficial effects of the present invention are: when refrigeration, when summer outdoor fresh air temperature is much higher than room temperature, outdoor fresh air
It exchanges heat and cools down with the return air after the direct evaporator section equal-enthalpy humidifying cooling of return air, cooled down by the direct evaporator section equal-enthalpy humidifying of fresh air
It is sent into interior afterwards, energy-conserving action can be given full play to meet indoor temperature and humidity and air quality requirement, heat recovery apparatus；Work as summer
When outdoor temperature is slightly above room temperature, heat recovery apparatus is closed at this time, outdoor fresh air is by bypass through the direct evaporator section of fresh air
Equal-enthalpy humidifying cooling, air-supply are just able to satisfy indoor temperature and humidity and air quality requirement；Preheating section and bringing-up section equipment do not work；Such as
This can guarantee unit heat supply in winter, summer cooling, xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set Summer and winter
Energy normal use, realizes the annual thermal comfort of indoor environment.
Further, when the refrigeration, in the fresh air after the heat recovery apparatus and the return air are exchanged heat,
It first passes through the surface cooling section and the wet cooling such as carries out, then carry out constant enthalpy cooling humidification using the direct evaporator section of the fresh air.
Beneficial effect using above-mentioned further scheme is: when building is equipped with mechanical refrigeration cold source or larger refrigeration duty,
It is required that fresh air supply air temperature is lower, fresh air is not able to satisfy merely through the direct evaporator section equal-enthalpy humidifying cooling of fresh air to new air temperature
It is required that new air temperature can be further decreased by the wet cooling such as carrying out by surface cooling section before the direct evaporator section of fresh air in fresh air,
Meet at this time to the requirement of supply air temperature.
Further, when the heating and when the refrigeration, first air-valve and second air-valve are turned off, described
When ventilation, into the fresh air duct fresh air after fresh air fillter section filtering, while by by the fresh air
Ventilating duct and the heat recovery apparatus enter the surface cooling section, then flow to the exhaust fan section from the surface cooling section；Into
Enter the return air of the return airway after return air fillter section filtering, while by return air bypass air duct and the heat
Recyclable device enters exhaust fan section.
Beneficial effect using above-mentioned further scheme is: when being less than or equal to 26 DEG C in transition season or outdoor temperature
When, the first air-valve and the second air-valve are opened, and for outdoor fresh air after the filtering of fresh air fillter section, fresh air passes through heat recovery apparatus simultaneously
Air duct is bypassed with fresh air, the air of the clean health of indoor feeding is given by pressure fan；Fresh air resistance when by heat recovery apparatus is big,
Cause air output small, fresh air bypass air duct and return air bypass air duct setting so that transition season in use, system resistance reduce,
Fresh air air output increases, and ensure that indoor temperature and humidity demand, while to the air of the clean health of indoor feeding；And heating when and
When refrigeration, the first air-valve and the second air-valve are closed, the air flowed in fresh air channel and return airway can be prevented without overheating back
Receiving apparatus exchanges heat direct next stage, causes to exchange heat insufficient, needs to rise gas in later stage waste more multiple-energy-source
Temperature or cooling.
It further, further include antifreezing measures, the antifreezing measures use one or more of following measures,
Heat exchanger is set in the preheating section, refrigerating medium is added in the heating agent of the heat exchanger, makes the heat in heat exchanger
The freezing point temperature of matchmaker is less than or equal to -40 DEG C；
Or in the preheating section, heat exchanger is set, in the heat exchanger flow velocity of heating agent within the scope of 0.6-1.6m/s,
Remove impurity in heat exchanger before winter operation, the gas in heat exchanger is discharged in when operation in time；
The third air-valve and air-valve being either arranged on the fresh wind port for opening or closing the fresh wind port are closed
Property it is good, it is good that the 4th air-valve and air-valve airtightness for opening or closing the exhaust outlet are set on the exhaust outlet
Good, when the third air-valve is closed, the fresh wind port is closed, and when the 4th air-valve is closed, the 4th exhaust outlet is closed；
Or when heating, if the pressure fan of the breeze fan section is out of service or when breaking down, the preheating section
Equipment remains operational.
Beneficial effect using above-mentioned further scheme is: anti-locking system winter bursting by freezing, guarantees that system whole year uses.
Detailed description of the invention
Fig. 1 is evaporation cold-zone air-conditioning system structural schematic diagram；
In figure: 1- return airway, 11- exhaust fan section, 12- exhaust outlet, the direct evaporator section of 13- return air, the filtering of 14- return air
Section, 2- fresh air duct, 21- fresh wind port, 22- fresh air fillter section, the first primary filter of 221-, was imitated in 222- at 15- return air inlet
Filter, 23- preheating section, 24- surface cooling section, the direct evaporator section of 25- fresh air, 26- bringing-up section, 27- breeze fan section, 28- air outlet,
29- fresh air bypasses air duct, 30- return air bypasses air duct, 3- heat recovery apparatus.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
As shown in Figure 1, xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set disclosed by the invention, including it is new
Wind air duct 2, return airway 1 and it is set to the heat for carrying out heat exchange on fresh air duct 2 and return airway 1 for fresh air and return air
Recyclable device 3, fresh air duct 2 and return airway 1 are mutually indepedent, and fresh air channel 2 and the equal airtightness of return air channel 1 are good, fresh air
There is no leak out, go here and there wind phenomenon between channel 2 and return air channel 1；
Fresh air duct 2 is disposed with fresh air fillter section 22, preheating section 23, surface cooling section 24, new along the direction of new wind flow
The direct evaporator section 25 of wind, bringing-up section 26 and breeze fan section 27, the beginning of fresh air duct 2 are provided with fresh wind port 21, fresh air duct 2
End be provided with air outlet 28, fresh air fillter section 22 is disposed with the first primary filter 221 and medium effeciency filter 222, room
Outer fresh air first passes through the first primary filter 221 and filters out dust, the dust particle in air after the entrance of fresh wind port 21,
Again through the effective particulate matter and various suspended matters crossed in air filtering of medium effeciency filter 222, preheating section 23 is provided with the first heating tube
Disk, surface cooling section 24 are provided with surface air cooler, and the direct evaporator section 25 of fresh air is provided with the first wet-film humidifying equipment, preferably efficient wet film
Humidification apparatus, bringing-up section 26 are provided with the second heating pipe dish, and breeze fan section 27 is provided with pressure fan, the first primary filter
221, medium effeciency filter 222A, the first heating pipe dish, surface air cooler, the first wet-film humidifying equipment, the second heating pipe dish and air-supply
Machine is in fresh air duct 2；
Return airway 1 along the direction that return air flows be disposed with the direct evaporator section 13 of return air fillter section 14, return air and
Exhaust fan section 11, the beginning of return airway 1 are provided with return air inlet 15, and the end of return airway 1 is provided with exhaust outlet 12, return air filtering
Section 14 is provided with the second primary filter, and the direct evaporator section 13 of return air is provided with the second wet-film humidifying equipment, the second wet-film humidifying
Equipment is preferably efficient wet film humidification apparatus, and exhaust fan section 11 is provided with exhaust blower, and the second primary filter, the second wet film add
In return airway 1, the second primary filter is filtered return air for wet equipment and exhaust blower, prevent dust in air,
Dust particle etc. blocks the heat exchanger channels of the second wet-film humidifying equipment and heat recovery apparatus 3, prevents 1 gas-flow resistance of return airway from increasing
The heat exchange efficiency of big and exhaust blower and heat recovery apparatus 3 reduces；
Heat recovery apparatus 3 is in 2 part of fresh air duct between preheating section 23 and surface cooling section 24, and heat recovery apparatus 3 is in return air
For 1 part of air duct between the direct evaporator section 13 of return air and exhaust fan section 11, heat recovery apparatus 3 is runner heat exchanger, be can be selected
Rotary-type sensible heat heat regenerator or rotary-type complete hot heat regenerator.
It is additionally provided with fresh air bypass air duct 29 in fresh air duct 2, return air bypass air duct 30 is additionally provided in return airway 1,
Fresh air bypass air duct 29 is set to heat recovery apparatus 3 and 2 junction of fresh air duct, and fresh air bypasses air duct 29 and is connected to 23 He of preheating section
Surface cooling section 24, return air bypass air duct 30 are set to heat recovery apparatus and 1 junction of return airway, and return air bypass air duct 30 is connected to back
The direct evaporator section 13 of wind and exhaust fan section 11, specifically, be above below return air channel 1 being at the fresh air of fresh air channel 2
It manages in air-conditioner set, fresh air bypasses air duct 29 and is arranged below heat recovery apparatus 3, and fresh air bypass air duct 29 is clipped in heat recovery apparatus
Between 3 and the inner wall of fresh air duct 2, the top of heat recovery apparatus 3 is arranged in return air bypass air duct 30, and return air bypasses air duct 30 and presss from both sides
Between heat recovery apparatus 3 and the inner wall of return air channel 1, heat recovery apparatus 3 and fresh air channel 2, return air channel 1, fresh air are bypassed
Air duct 29 and return air bypass 30 junction of air duct are closed, and fresh air bypasses air duct 29 and 2 junction of fresh air duct is closed, return air
It bypasses air duct 3 and 1 junction of return air channel is closed, fresh air bypass is provided with the first air-valve in air duct 29, and return air bypasses air duct 30
It is inside provided with the second air-valve, the first air-valve is used to adjust the air quantity by fresh air bypass air duct 29, and the second air-valve is for adjusting warp
The air quantity in return air bypass air duct 30 is crossed, electronic closed air-valve can be selected in the first air-valve and the second air-valve.
First heating pipe dish uses heat-conducting, such as copper pipe, steel pipe, and the inside and outside tube wall surface of the first heating pipe dish is all provided with
It is equipped with anti-corrosion layer, the methods of anticorrosion with painting erosion coating setting anti-corrosion layer can be used, the heating agent in the first heating pipe dish includes
There is refrigerating medium, makes the freezing point temperature of heating agent in the first heating pipe dish not higher than -40 DEG C.
Fresh wind port 21 is connected to outdoor, and the third wind for opening or closing fresh wind port 21 is provided at fresh wind port 21
Valve, exhaust outlet 12 are connected to outdoor, and the 4th air-valve for opening or closing exhaust outlet 12, third are provided at exhaust outlet 12
Air-valve and the 4th air-valve can automatic linkage close and airtightness is good；Unit need to possess good leakproofness, unit inner cavity and room
It is interior there is no leaking out, go here and there wind phenomenon, fresh air duct 2 and return airway 1 are independently of each other in unit and leakproofness is good, fresh air duct
There is no string wind phenomenons between 2 and return airway 1；Electronic closed air-valve, third wind can be selected in third air-valve and the 4th air-valve
When valve is closed, fresh wind port 21 is closed, and when the 4th air-valve is closed, the 4th exhaust outlet 12 is closed.
Pressure fan, exhaust blower, the first air-valve, the second air-valve, third air-valve and the linkage matching of the 4th air-valve, by same control
System control, at runtime, linkage regulates and controls for pressure fan and exhaust blower, in case air output and exhaust air rate imbalance cause to bear in room
Pressure controls pressure fan by same control system and the first air-valve adjusts air output, control exhaust blower and the second air-valve is adjusted
Exhaust air rate makes air output match with exhaust air rate；Third air-valve and the 4th air-valve and pressure fan and exhaust blower are chain, with pressure fan
With the operating or shutdown of exhaust blower, third air-valve and the 4th air-valve are opened or closed, when being shut down to avoid pressure fan and exhaust blower,
Third air-valve and/or the 4th air-valve are not turned off, and low-temperature cold wind invades the equipment in bursting by freezing fresh air duct 2 and return airway 1；Third
Air-valve and the 4th air-valve good leak tightness can reduce the Air Infiltration after third air-valve and the 4th air-valve are closed, reduce low temperature cold
The risk of wind bursting by freezing fresh air duct 2 and the equipment in return airway 1, plays antifreezing effect.
The surface air cooler that surface cooling section 24 is arranged is idle call low temperature surface air cooler, when building is equipped with mechanical refrigeration cold source or refrigeration duty
When larger, it is desirable that fresh air supply air temperature is lower, then requires fresh air supply air temperature lower, and the low of conventional cold source preparation can be used at this time
(5-10 DEG C) feeding surface cooling section 24 of warm cold water, will from treated the fresh air of heat recovery apparatus 3 by surface air cooler inferior wet cooling again,
Cool down afterwards by direct 25 equal-enthalpy humidifying of evaporator section of fresh air, to meet lower supply air temperature, fresh air undertake the requirement of refrigeration duty,
Supply air temperature difference should be less than 15 DEG C.
The application method of xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set disclosed by the invention, in use
The xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set stated,
When refrigeration, outdoor fresh air enters fresh air duct 2 from fresh wind port 21, and recuperation of heat is entered after fresh air fillter section 22 and is filled
Set 3, with from return airway 1 enter heat recovery apparatus 3 in return air carry out heat exchange, then by the direct evaporator section 25 of fresh air into
Row constant enthalpy cooling humidification, is sent into interior from air outlet 28 by breeze fan section 27；Indoor return air enters return air from return air inlet 15
Air duct 1 enters the direct evaporator section 13 of return air after return air fillter section 14 and carries out equal-enthalpy humidifying, subsequently into heat recovery apparatus 3,
Heat exchange is carried out with the fresh air entered in heat recovery apparatus 3 from fresh air duct 2, return air is most afterwards through exhaust fan section 11 from exhaust outlet
12 discharges, when refrigeration, the equipment of preheating section 23 and bringing-up section 26 is closed, and air directly passes through from preheating section 23 and bringing-up section 26,
First air-valve and the second air-valve are closed, and third air-valve and the 4th air-valve are opened；
When refrigeration, when building is equipped with mechanical refrigeration cold source or larger refrigeration duty, it is desirable that fresh air supply air temperature is lower, enters
The fresh air of fresh air channel 2 first passes through surface cooling section 24 and the wet cooling such as carries out, so after heat recovery apparatus 3 and return air are exchanged heat
Carry out constant enthalpy cooling humidification using the direct evaporator section 25 of fresh air afterwards, after by blower section 27 be sent into interior from air outlet 28.
When heating, outdoor fresh air enters fresh air duct 2 by fresh wind port 21, carries out being preheated to T DEG C by preheating section 23
Enter heat recovery apparatus 3 afterwards and carry out heat exchange with the return air entered in heat recovery apparatus 3 from return airway 1, then passes through fresh air
Direct evaporator section 25 carries out equal-enthalpy humidifying, carries out being again heated to required supply air temperature, fresh air to fresh air using bringing-up section 26
Most interior is sent into from air outlet 28 through breeze fan section 27 afterwards；Indoor return air enters after entering return airway 1 by return air inlet 15
Heat recovery apparatus 3 carries out heat exchange with the fresh air entered in heat recovery apparatus 3 from fresh air duct 2, then through exhaust fan section 11
It is discharged from exhaust outlet 12, when heating, the equipment of surface cooling section 24 and the direct evaporator section 13 of return air is closed, and fresh air is direct from surface cooling section 24
Pass through, return air directly passes through from the direct evaporator section 13 of return air, and the first air-valve and the second air-valve are closed, third air-valve and the 4th air-valve
It opens, new T DEG C of the air temperature after the heating of preheating section 23, T should be less than being equal to 10 DEG C, and new air temperature after preheated section 23 heating
The determination of T is simultaneously it is also contemplated that fresh air water capacity size and indoor humidification amount demand.
In the transition time, interior does not need cooling supply or heat supply, at above-mentioned xeothermic severe cold cold climate area's whole year fresh air
Reason air-conditioner set can be used for ventilation.
When ventilation, runner heat recovery apparatus 3 and the direct evaporator section 13 of return air, preheating section 23, surface cooling section 24, fresh air
The equipment of direct evaporator section 25 and bringing-up section 26 is turned off；Into fresh air duct 2 fresh air by fresh air fillter section 22 filtering after,
Enter fresh air duct 2 by fresh wind port 21, is flowed after the filtering of fresh air fillter section 22 along fresh air duct 2, most afterwards through breeze fan
Section 27 is sent into interior from air outlet 28；Into return airway 1 return air by return air fillter section 14 filtering after, pass through return air inlet 15
It into return airway 1, is flowed after the filtering of return air fillter section 14 along return airway 1, most afterwards through exhaust fan section 11 from exhaust outlet
12 discharges can pass through pressure fan, exhaust blower, the at this point, the first air-valve, the second air-valve, third air-valve and the 4th air-valve are opened
One air-valve and the second air-valve adjust air output and exhaust air rate.
Since resistance is big when by heat recovery apparatus 3 for fresh air and return air, fresh air air output cannot reach indoor demand, because
This, setting fresh air bypasses air duct 29 and return air bypasses air duct 30, and when ventilation is divulged information, the fresh air into fresh air duct 2 passes through fresh air
After fillter section 22 filters, while entering surface cooling section 24 by fresh air bypass air duct 29 and heat recovery apparatus 3, then from surface cooling section 24
It flow to exhaust fan section 11；Return air into return airway 1 bypasses after the filtering of return air fillter section 14, while by return air
Air duct 30 and heat recovery apparatus 3 enter exhaust fan section 11.
When heating and when refrigeration, the face velocity of fresh air and return air in heat recovery apparatus 3 is no more than 3.5m/s, to ensure
Fresh air and return air can sufficiently exchange heat, and can guarantee that equipment acoustic noise will not be too big.
The direct evaporator section of fresh air 25 is simultaneously for cooling condition humidification and heating condition humidification, and when heating, humidification amount is big.
During the cold season in use, further including antifreezing measures, antifreezing measures use one or more of following measures,
Heat exchanger is set in preheating section 23, heat exchanger can be the first heating pipe dish, add in the heating agent of the first heating pipe dish
Enter refrigerating medium, the freezing point temperature of the heating agent in the first heating pipe dish is made to be less than or equal to -40 DEG C；
Or heat exchanger is set in preheating section 23, heat exchanger can be the first heating pipe dish, heating agent in the first heating pipe dish
Flow velocity removes the impurity in the first heating pipe dish within the scope of 0.6-1.6m/s, before winter operation, and when operation is discharged the in time
Gas in one heating pipe dish；
Third air-valve for opening or closing the fresh wind port 21 is either set on fresh wind port 21, in exhaust outlet 12
Upper the 4th air-valve being arranged for opening or closing exhaust outlet 12, third air-valve, the 4th air-valve, pressure fan and exhaust blower connection
Dynamic, when third air-valve is closed, fresh wind port 21 is closed, and when the 4th air-valve is closed, the 4th exhaust outlet 12 is closed；
Or when heating, if the pressure fan of breeze fan section 27 is out of service or when breaking down, the equipment of preheating section 23
It remains operational, is continuously circulated the heating agent in 23 equipment of preheating section.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
All it should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set, it is characterised in that: including fresh air duct (2), return
It wind air duct (1) and is set on the fresh air duct (2) and the return airway (1) and carries out heat exchange for fresh air and return air
Heat recovery apparatus (3)；
The fresh air duct (2) is disposed with fresh air fillter section (22), preheating section (23), surface cooling section along the direction of new wind flow
(24), it opens at the beginning of the direct evaporator section of fresh air (25), bringing-up section (26) and breeze fan section (27), the fresh air duct (2)
Have fresh wind port (21), the end of the fresh air duct (2) is provided with air outlet (28)；
The return airway (1) is disposed with return air fillter section (14), the direct evaporator section of return air along the direction that return air flows
(13) and exhaust fan section (11), the beginning of the return airway (1) are provided with return air inlet (15), the return airway (1)
End is provided with exhaust outlet (12)；
The heat recovery apparatus (3) the fresh air duct (2) partially the preheating section (23) and the surface cooling section (24) it
Between, the heat recovery apparatus (3) is in the return airway (1) partially in the direct evaporator section of the return air (13) and the air draft wind
Between machine section (11).
2. xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set according to claim 1, it is characterised in that:
It is additionally provided with fresh air bypass air duct (29) in the fresh air duct (2), return air bypass wind is additionally provided in the return airway (1)
Road (30), fresh air bypass air duct (29) are set to the heat recovery apparatus (3) and the fresh air duct (2) junction, institute
It states fresh air bypass air duct (29) and is connected to the preheating section (23) and the surface cooling section (24), return air bypass air duct (30) setting
In the heat recovery apparatus and the return airway (1) junction, it is direct that return air bypass air duct (30) is connected to the return air
Evaporator section (13) and the exhaust fan section (11), fresh air bypass air duct (29) is interior to be provided with the first air-valve, the return air
The second air-valve is provided in bypass air duct (30), first air-valve is used to adjust the wind by fresh air bypass air duct (29)
Amount, second air-valve are used to adjust the air quantity by return air bypass air duct (30).
3. xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set according to claim 1 or 2, feature exist
In: the heat recovery apparatus (3) is runner heat exchanger.
4. xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set according to claim 1 or 2, feature exist
In: the direct evaporator section of fresh air (25) and the direct evaporator section of the return air (13) are provided with wet-film humidifying equipment.
5. xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set according to claim 1 or 2, feature exist
In: the preheating section (23) is provided with the first heating pipe dish, and the inside and outside tube wall surface of the first heating pipe dish is provided with resistance to
Corrosion layer, it is described first heating pipe dish in heating agent in contain refrigerating medium.
6. xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set according to claim 1 or 2, feature exist
In: the third air-valve for opening or closing the fresh wind port (21), the exhaust outlet are provided at the fresh wind port (21)
(12) the 4th air-valve for opening or closing the exhaust outlet (12) is provided at, it is described when the third air-valve is closed
Fresh wind port (21) is closed, and when the 4th air-valve is closed, the exhaust outlet (12) is closed.
7. the application method of xeothermic severe cold cold climate area's whole year Fresh air handing air-conditioner set: it is characterized by: using as weighed
Benefit requires 1-6 Fresh air handing air-conditioner set of described in any item xeothermic severe cold cold climate area whole years,
When refrigeration, outdoor fresh air enters the fresh air duct (2) from the fresh wind port (21), by the fresh air fillter section (22)
Enter the heat recovery apparatus (3) afterwards, is carried out with the heat recovery apparatus (3) inner return air is entered from the return airway (1)
Then heat exchange carries out constant enthalpy cooling humidification by the direct evaporator section of the fresh air (25), fresh air is most afterwards through the breeze fan
Section (27) is sent into indoor from the air outlet (28)；Indoor return air enters the return airway (1) from the return air inlet (15), warp
It crosses the return air fillter section (14) and enters the direct evaporator section of the return air (13) progress equal-enthalpy humidifying afterwards, returned subsequently into the heat
Receiving apparatus (3) carries out heat exchange with the heat recovery apparatus (3) inner fresh air is entered from the fresh air duct (2), and return air is last
It is discharged through the exhaust fan section (11) from the exhaust outlet (12), when refrigeration, the preheating section (23) and the bringing-up section
(26) equipment is closed；
When heating, outdoor fresh air enters the fresh air duct (2) by the fresh wind port (21), carries out by preheating section (23) pre-
Enter the heat recovery apparatus (3) after being heated to T DEG C, it is inner with the heat recovery apparatus (3) are entered from the return airway (1)
Return air carries out heat exchange, then equal-enthalpy humidifying is carried out by the direct evaporator section of the fresh air (25), using the bringing-up section
(26) be again heated to required supply air temperature to fresh air, fresh air is most afterwards through the breeze fan section (27) from the air outlet
(28) it is sent into indoor；Indoor return air enters the return airway (1) by the return air inlet (15) and enters recuperation of heat dress afterwards
(3) are set, heat exchange are carried out with the heat recovery apparatus (3) inner fresh air is entered from the fresh air duct (2), then through the row
Wind fan section (11) is discharged from the exhaust outlet (12), when heating, the surface cooling section (24) and the direct evaporator section of the return air
(13) equipment is closed.
When ventilation, the runner heat recovery apparatus (3) and the direct evaporator section of the return air (13), the preheating section
(23), the equipment of the surface cooling section (24), the direct evaporator section of the fresh air (25) and the bringing-up section (26) is turned off, outdoor new
Wind enters the fresh air duct (2) by the fresh wind port (21), along the fresh air after the fresh air fillter section (22) filtering
Air duct (2) flowing is most sent into interior from the air outlet (28) through the breeze fan section (27) afterwards；Indoor return air passes through described
Return air inlet (15) enters the return airway (1), flows after the return air fillter section (14) filtering along the return airway (1)
It is dynamic, most it is discharged afterwards through the exhaust fan section (11) from the exhaust outlet (12).
What 8. xeothermic severe cold cold climate area's whole year according to claim 7 was used with the whole year of Fresh air handing air-conditioner set
Method, it is characterised in that: when the refrigeration, exchange heat by the heat recovery apparatus (3) with the return air in the fresh air
Afterwards, it first passes through the surface cooling section (24) and the wet cooling such as carries out, then carry out constant enthalpy using the direct evaporator section of the fresh air (25)
Cooling humidification.
9. xeothermic severe cold cold climate area's whole year according to claim 7 or 8 is made with the whole year of Fresh air handing air-conditioner set
Method, it is characterised in that: using such as the described in any item xeothermic severe cold cold climate area whole year fresh airs of claim 2-6
Air-conditioner set is handled, when the heating and when the refrigeration, first air-valve and second air-valve are turned off；The ventilation
When ventilation, into the fresh air duct (2) fresh air by the fresh air fillter section (22) filtering after, while pass through the fresh air
It bypasses air duct (29) and the heat recovery apparatus (3) enters the surface cooling section (24), then flow to from the surface cooling section (24)
The exhaust fan section (11)；Into the return airway (1) return air by the return air fillter section (14) filtering after, simultaneously
Enter exhaust fan section (11) by return air bypass air duct (30) and the heat recovery apparatus (3).
10. xeothermic severe cold cold climate area's whole year according to claim 7 or 8 is made with the whole year of Fresh air handing air-conditioner set
Method, it is characterised in that: it further include antifreezing measures, the antifreezing measures use one or more of following measures,
Heat exchanger is set in the preheating section (23), refrigerating medium is added in the heating agent of the heat exchanger, makes the heat in heat exchanger
The freezing point temperature of matchmaker is less than or equal to -40 DEG C；
Or in the preheating section (23), heat exchanger is set, in the heat exchanger flow velocity of heating agent within the scope of 0.6-1.6m/s,
Remove impurity in heat exchanger before winter operation, the gas in heat exchanger is discharged in when operation in time；
Third air-valve for opening or closing the fresh wind port (21) is either set on the fresh wind port (21), described
The 4th air-valve for opening or closing the exhaust outlet (12) is set on exhaust outlet (12), when the third air-valve is closed,
The fresh wind port (21) is closed, and when the 4th air-valve is closed, the 4th exhaust outlet (12) is closed；
Or when heating, if the pressure fan of the breeze fan section (27) is out of service or when breaking down, the preheating section
(23) equipment remains operational.
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| CN201910608414.5A CN110454880A (en) | 2019-07-08 | 2019-07-08 | Xeothermic severe cold cold climate area's whole year is with Fresh air handing air-conditioner set and application method |
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| CN111023331A (en) * | 2019-12-17 | 2020-04-17 | 福建瑞博恩环境科技有限公司 | Combined type rotating wheel heat recovery fresh air conditioning unit |
| CN111417283A (en) * | 2020-03-13 | 2020-07-14 | 苏州浪潮智能科技有限公司 | Fresh air type heat recovery data center cooling system |
| CN111473457A (en) * | 2020-04-23 | 2020-07-31 | 山东美诺邦马节能科技有限公司 | Passive room heat recovery air conditioner and use method |
| CN112050449A (en) * | 2020-07-20 | 2020-12-08 | 中国舰船研究设计中心 | Marine total heat recovery energy-saving air conditioner |
| CN114294753A (en) * | 2021-10-15 | 2022-04-08 | 安徽东福新材料科技有限公司 | Fresh air purification and ventilation system for PVB film production |
| CN114543176A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN114543176B (en) * | 2022-02-16 | 2023-04-18 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN118102666A (en) * | 2024-01-26 | 2024-05-28 | 广东省建筑设计研究院有限公司 | Evaporative energy recovery unit without cross air pollution during fresh air exhaust |
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