CN104976704A - Working method of secondary heat recovery fresh air processing device - Google Patents

Working method of secondary heat recovery fresh air processing device Download PDF

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Publication number
CN104976704A
CN104976704A CN201410138217.9A CN201410138217A CN104976704A CN 104976704 A CN104976704 A CN 104976704A CN 201410138217 A CN201410138217 A CN 201410138217A CN 104976704 A CN104976704 A CN 104976704A
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China
Prior art keywords
new wind
mode
temperature
air
return air
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CN201410138217.9A
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CN104976704B (en
Inventor
涂道军
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SHANGHAI NFE CONSTRUCTION-TECH DEVELOPMENT Co Ltd
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SHANGHAI NFE CONSTRUCTION-TECH DEVELOPMENT Co Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • F24F8/108Treatment, 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 using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • F24F2110/65Concentration of specific substances or contaminants
    • F24F2110/70Carbon dioxide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/54Heating and cooling, simultaneously or alternatively
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

Abstract

The invention relates to a working method of a secondary heat recovery fresh air processing device. The working method comprises a summer mode, a winter mode and a transition season mode, wherein the summer mode comprises an energy-saving mode, a dehumidification mode and a normal mode; when working in the winter mode, the secondary heat recovery fresh air processing device works in a minimal fresh air volume mode to automatically detect the concentration of indoor CO2, and the required fresh air volume can be adjusted; and the transition season mode comprises a normal transition season mode, a transition season refrigerating mode, a transition season dehumidification mode and a transition season heating mode.

Description

Second heat reclaims the method for work of Fresh air handing device
Technical field
The present invention relates to the method for work that a kind of second heat reclaims Fresh air handing device, especially for the method for work of the Fresh air handing device of central air conditioner system.
Background technology
If the air draft of central air-conditioning wind system, directly discharged to air, is not reclaimed air draft energy, is caused the significant wastage of the energy; In order to better save energy and reduce the cost, the secondary realizing energy utilizes, and needs a kind of central air-conditioning Air Energy Recovery Device; The heat reclamation device of existing central air-conditioning mostly adopts total-heat exchanger to realize heat transfer process, and heat exchange efficiency is relatively low, and a large amount of energy is still contained in the air draft after heat exchange, and traditional new blower for heat recycling is unfavorable for the efficiency utilization of thermal source.
Current family expenses fresh air processor, substantially be exactly after total-heat exchanger, directly send into indoor after being filtered by new wind, certain cooling or hyperthermic treatment are not carried out to new wind, as certain air conditioner refrigerating or heating effect need be reached, air-conditioning or heating equipment must be opened in addition.But the long duration in 1 year all processes transition season, at this time, if do not turned on the aircondition, indoor there will be obvious discomfort, at this moment must open air-conditioning or heating equipment in addition, cause the unnecessary consumption of energy consumption.
Current radiation tail end is the dry type end system of representative, the Developing mainstream of following central air conditioner system is being become with its high health, high degree of comfort, but particularly newly the dehumidifying technology of wind is also immature for the Fresh air handing of dry type end, in application to engineering practice, there is the problems such as condensation, urgent problem has been become to the degree of depth dehumidifying technology of new wind.
Summary of the invention
Technical problem to be solved by this invention is to provide the method for work that a kind of second heat reclaims Fresh air handing device, new wind and air draft can not only be made to carry out direct heat exchange, can also carry out recuperation of heat to the air draft after heat exchange.
In order to solve the problems of the technologies described above, the invention provides the method for work that a kind of second heat reclaims Fresh air handing device, comprising:
(1) summer mode: compressor bank work, new wind enters ventilation storehouse, upper left by new wind entrance, after new wind filter screen filtration, pass plate-type heat recovery device and carry out heat exchange with return air thus reduce the temperature of new wind, evaporimeter two works and in plate type heat exchanger, produces the high temperature cold water that temperature is more than 16 degrees Celsius, described new wind enters right-hand member ventilation storehouse, carry out heat exchange with the high temperature cold water from plate type heat exchanger through desuperheating coil thus again reduce the temperature of new wind, new wind is significantly lowered the temperature through evaporimeter one and the degree of depth removes temperature, new wind carries out heat exchange through condenser thus makes new wind be warming up to comfort temperature for the moment, new wind passes wet-membrane humidifier thus makes the humidity that new wind reaches comfortable, new wind carries out blowing and passes through to blow the air devider outside exporting by after new wind distribution by pressure fan, each room is sent into by the Electric air valve on each branch road or small-sized fan, return air from each room enters upper right ventilation storehouse through return air inlet, return air is through to be sent in plate-type heat recovery device by exhaust blower after described return air filter screen filtration and carry out heat exchange with new wind, return air through plate-type heat recovery device enters in ventilation storehouse, lower-left also through condenser two, thus recuperation of heat is carried out to return air, enter the external world finally by wind exhausting outlet, meanwhile, the high temperature cold water produced by plate type heat exchanger enters each capillary tube mats through radiation tail end water collecting and diversifying device and carries out heat exchange to being back to plate type heat exchanger by each capillary tube mats again behind each room.
(2) winter mode: compressor bank work, new wind enters ventilation storehouse, upper left by new wind entrance, after new wind filter screen filtration, pass plate-type heat recovery device and carry out heat exchange with return air thus raise the temperature of new wind, evaporimeter two works and in plate type heat exchanger, produces temperature is warm water in 35-40 degree Celsius, described new wind enters right-hand member ventilation storehouse, through desuperheating coil and with carry out heat exchange from warm water in plate type heat exchanger thus again raise the temperature of new wind, new wind is through after idle evaporimeter one and condenser one, new wind passes wet-membrane humidifier thus makes the humidity that new wind reaches comfortable, new wind carries out blowing and passes through to blow the air devider outside exporting by after new wind distribution by pressure fan, each room is sent into by the Electric air valve on each branch road or small-sized fan, return air from each room enters upper right ventilation storehouse through return air inlet, return air is through to be sent in plate-type heat recovery device by exhaust blower after described return air filter screen filtration and carry out heat exchange with new wind, return air through plate-type heat recovery device enters in ventilation storehouse, lower-left also through condenser two, thus recuperation of heat is carried out to return air, enter the external world finally by wind exhausting outlet, meanwhile, in being produced by plate type heat exchanger, warm water enters each capillary tube mats through radiation tail end water collecting and diversifying device and carries out heat exchange to being back to plate type heat exchanger by each capillary tube mats again behind each room.
(3) transition season pattern: comprise normal transient Seasonal Model, now compressor bank and water circulation system out of service, new wind sends into indoor carry out heat exchange with indoor exhaust wind after new wind filter screen filtration after; CO in automatic sensing chamber simultaneously 2concentration, regulates required resh air requirement; When monitoring indoor return air temperature more than 26 degree, when being no more than 30 degree, and relative humidity is when being no more than 60%, transition season refrigeration mode is adopted to run, system compresses unit starts, evaporimeter two, condenser two and desuperheating coil are started working, and carry out precooling treatment to new wind, and indoor end water circulation system does not work; When monitoring indoor return air temperature and being no more than 26 degree, but when relative humidity is more than 75%, transition season dehumidification mode is adopted to run, system compresses unit starts, evaporimeter one and condenser work at the beginning, carry out dehumidification treatments to new wind, the new wind after dehumidifying sends into indoor after reheating, and indoor end water circulation system does not work; When monitoring indoor return air temperature lower than 15 degree and higher than 10 degree, adopt transition season heating mode to run, compressor bank starts automatically, and condenser two and evaporimeter two start, and carry out hyperthermic treatment to new wind.
Energy saver mode, dehumidification mode, normal mode three kinds of states can be divided in described summer mode; Energy saver mode realize indoor nobody time air circulating system is closed, indoor temperature controls with temperature on duty; Dehumidification mode realizes exceeding limit value when indoor humidity, air circulating system is automatically pressed Inner eycle dehumidification mode and is run, outdoor new wind air intake is closed, indoor end water circulation system stops, it is maximum that main frame supplies the freezing water yield of dehumidifier to the Precooling unit comprising desuperheating coil, water temperature is reduced to less than 15 degree, and air circulating system is undertaken by maximum quantity of wind; Normal mode realizes the humiture that system sets by indoor thermostat and normally runs.
When described winter mode is run, system with minimum fresh air requirmente mode operation, CO in automatic sensing chamber 2concentration, regulates required resh air requirement.
Relative to prior art, the technique effect that the present invention has is: have the Fresh air handing device that second heat reclaims described in (1), utilize plate-type heat recovery device, new wind and air draft is made to carry out direct heat exchange, condenser two can carry out second heat recovery to air draft simultaneously, only adopt total-heat exchanger to carry out new wind compared to existing technology and air exhaust heat exchanges, reduce the waste of energy significantly; (2) that steady job pattern for season in summer in winter two in existing family expenses fresh air processor or air-conditioning system is compared, the method of work of this second heat recovery Fresh air handing device can according to Various Seasonal, adopt various corresponding mode of operation to carry out temperature adjustment to new wind or the indoor water circulatory system, thus raising air-conditioning system also significantly reduce energy consumption in the operating efficiency in the four seasons; (3) desuperheating coil can carry out precooling or intensification to new wind, evaporimeter one degree of depth can dehumidify and cool, condenser one can make new wind be warming up to comfort temperature, wet-membrane humidifier can carry out humidity regulation to new wind, thus maintain the suitable humidity of new wind, both overcome the indoor dew condensation phenomenon after adopting radiation tail end system, indoor occupant can not be made again to feel too dry; (4) summer mode comprises energy saver mode, dehumidification mode, normal mode, according to the work of the temperature of indoor and humidity automatic regulating system, can save energy consumption further; (5) in winter mode in order in holding chamber temperature need run with minimum air quantity, this have second heat reclaim Fresh air handing device can according to the CO of indoor 2concentration adjusts the air quantity of new wind, avoids indoor anoxic; (6) recirculated water can be distributed according to need to each room and be regulated the output in each room by thermoelectricity actuator by radiation tail end water collecting and diversifying device, thus regulates the temperature in each room; (7) air devider and electronic point of air-valve or small-sized fan can by new wind distributions according to need to each room.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present invention and the technical advantage compared to existing product thereof, by the limiting examples applying described principle, possible embodiment is described by means of accompanying drawing below.In the drawings:
Fig. 1 is the structure principle chart of double-compressor Fresh air handing device of the present invention;
Fig. 2 is the left view of double-compressor Fresh air handing device of the present invention;
Fig. 3 is the right view of double-compressor Fresh air handing device of the present invention.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, the Fresh air handing device described in second heat recovery comprises: new wind screen pack 1, plate-type heat recovery device 2, exhaust blower 3, desuperheating coil 4, evaporimeter 1, condenser 1, wet-membrane humidifier 7, return air screen pack 8, condenser 29, compressor bank 10, plate type heat exchanger 11, radiation tail end water collecting and diversifying device 12, pressure fan 13, capillary tube mats 14, water main 15, new wind entrance 16, wind exhausting outlet 17, return air inlet 18, air-supply outlet 19, dividing plate 20.
Described plate-type heat recovery device 2 can adopt and assemble shaping adverse current or the flat air heat exchanger of cross-current, Chinese patent literature number for the plate-type heat recovery heat exchanger in CN201081580Y or Chinese patent literature number as Chinese patent literature number for the injection moulding in CN1317539C is the plate type heat exchanger in CN1022798903A, or adopts if Chinese patent literature number is plate type heat exchanger in CN102138053B, the described Fresh air handing device with second heat recovery is the frame structure of hollow, its left surface middle and upper part is provided with new wind entrance 16, its left surface middle and lower part is provided with wind exhausting outlet 17, its right flank middle and upper part is provided with return air inlet 18, air-supply outlet 19 is provided with in the middle part of its right flank, the described inner chamber with the Fresh air handing device that second heat reclaims is separated into (that is: upper left ventilation storehouse, four storehouses that independently ventilate by cube plate-type heat recovery device 2 and multiple dividing plate 20, ventilation storehouse, lower-left, upper right ventilation storehouse, right-hand member ventilation storehouse) and a bottom-right cabin, wherein said new wind entrance 16 is connected with ventilation storehouse, upper left, described wind exhausting outlet 17 is connected with ventilation storehouse, lower-left, described return air inlet 18 is connected with upper right ventilation storehouse, described air-supply outlet 19 is connected with right-hand member ventilation storehouse, new wind screen pack 1 is vertical in ventilation storehouse, described upper left, for carrying out dust removal by filtration to the new wind entering this storehouse, condenser 29 is vertical in ventilation storehouse, described lower-left, for carrying out recuperation of heat to air draft, exhaust blower 3 is located in described upper right ventilation storehouse, the right side of this exhaust blower 3 is provided with the return air screen pack 8 for carrying out dust removal by filtration to return air, described right-hand member ventilation storehouse inside left-end is provided with desuperheating coil 4, adjacent being provided with in the right side of this desuperheating coil 4 is dehumidified and the evaporimeter 1 of lowering the temperature for direct-expansion type, the right side of this evaporimeter 1 is adjacent is provided with condenser 1, the adjacent wet-membrane humidifier 7 be provided with for carrying out humidification to new wind in the right side of this condenser 1, the right side of this wet-membrane humidifier 7 is provided with pressure fan 13, compressor bank 10 is provided with in described cabin, this compressor bank 10 comprises variable-frequency compressor one and fixed compressor two frequently, the right side of this compressor bank 10 is provided with plate type heat exchanger 11, pipeline on this plate type heat exchanger 11 is divided into two road pipelines by threeway, one road pipeline is connected with desuperheating coil 4, another road pipeline is connected with radiation tail end (or dry type end) water collecting and diversifying device 12 by water main 15, the right side of this radiation tail end water collecting and diversifying device 12 is connected with capillary tube mats 14 towards the one_to_one corresponding loop in each room or other dry type end-o f-pipe-control device, tube connector between radiation tail end water collecting and diversifying device 12 and capillary tube mats 14 is provided with for controlling the thermoelectricity actuator supplied water, described capillary tube mats 14 be connected with the cold beam in room or be embedded in room wall, heat-exchange tube in floor is connected, described plate type heat exchanger 11 carries out heat trnasfer with adjacent evaporimeter two, when air conditioner load hour compressor one works, when air conditioner load is large, compressor one and compressor two work simultaneously, thus save energy consumption, be provided with the air devider new wind being dispensed to each room outside air-supply outlet 19, each branch road of air devider rear end be equipped with the small-sized fan of Electric air valve or independent loop control, Boiler pressure control can be carried out to the blowpipe of each branch road.
The described Fresh air handing device that there is second heat and reclaim, its method of work comprises:
(1) summer mode: compressor bank 10 works, new wind enters ventilation storehouse, upper left by new wind entrance 16, after new wind screen pack 1 filters, pass plate-type heat recovery device 2 and carry out heat exchange with return air thus reduce the temperature of new wind, evaporimeter two works and in plate type heat exchanger 11, produces the high temperature cold water that temperature is more than 16 degrees Celsius, described new wind enters right-hand member ventilation storehouse, carry out heat exchange with the high temperature cold water from plate type heat exchanger through desuperheating coil 4 thus again reduce the temperature of new wind, new wind is significantly lowered the temperature through evaporimeter 1 and the degree of depth removes temperature, new wind carries out heat exchange thus makes new wind be warming up to comfort temperature when passing condenser 1, new wind passes wet-membrane humidifier 7 thus makes the humidity that new wind reaches comfortable, new wind carries out blowing by pressure fan 13 and after new wind distributes by the air devider passing through to blow outside outlet 19, each room is sent into by the Electric air valve on each branch road or small-sized fan, return air from each room enters upper right ventilation storehouse through return air inlet 18, to be sent in plate-type heat recovery device 2 by exhaust blower 3 after return air filters through described return air screen pack 8 and carry out heat exchange with new wind, return air through plate-type heat recovery device 2 enters in ventilation storehouse, lower-left also through condenser 29, thus recuperation of heat is carried out to return air, enter the external world finally by wind exhausting outlet 17, meanwhile, the high temperature cold water produced by plate type heat exchanger 11 enters through radiation tail end water collecting and diversifying device 12 and is back to plate type heat exchanger 11 by each capillary tube mats 14 again after each capillary tube mats 14 to each room and carries out heat exchange.
(2) winter mode: compressor bank 10 works, new wind enters ventilation storehouse, upper left by new wind entrance 16, after new wind screen pack 1 filters, pass plate-type heat recovery device 2 and carry out heat exchange with return air thus raise the temperature of new wind, evaporimeter two works and produce temperature in plate type heat exchanger 11 is warm water in 35-40 degree Celsius, described new wind enters right-hand member ventilation storehouse, through desuperheating coil 4 and with carry out heat exchange from warm water in plate type heat exchanger 11 thus again raise the temperature of new wind, new wind is through after idle evaporimeter 1 and condenser 1, new wind passes wet-membrane humidifier 7 thus makes the humidity that new wind reaches comfortable, new wind carries out blowing by pressure fan 13 and after new wind distributes by the air devider passing through to blow outside outlet 19, each room is sent into by the Electric air valve on each branch road or small-sized fan, return air from each room enters upper right ventilation storehouse through return air inlet 18, to be sent in plate-type heat recovery device 2 by exhaust blower 3 after return air filters through described return air screen pack 8 and carry out heat exchange with new wind, return air through plate-type heat recovery device 2 enters in ventilation storehouse, lower-left also through condenser 29, thus recuperation of heat is carried out to return air, enter the external world finally by wind exhausting outlet 17, meanwhile, in being produced by plate type heat exchanger 11, warm water enters through radiation tail end water collecting and diversifying device 12 and is back to plate type heat exchanger 11 by each capillary tube mats 14 again after each capillary tube mats 14 to each room and carries out heat exchange.
(3) transition season pattern: comprise normal transient Seasonal Model, now compressor bank and water circulation system out of service, new wind sends into indoor carry out heat exchange with indoor exhaust wind after new wind screen pack 1 filters after; CO in automatic sensing chamber simultaneously 2concentration, regulates required resh air requirement; When monitoring indoor return air temperature more than 26 degree, when being no more than 30 degree, and relative humidity is when being no more than 60%, transition season refrigeration mode is adopted to run, system compresses unit 10 starts, evaporimeter two, condenser 29 and desuperheating coil 4 are started working, and carry out precooling treatment to new wind, but indoor end water circulation system does not work; When monitoring indoor return air temperature and being no more than 26 degree, but when relative humidity is more than 75%, transition season dehumidification mode is adopted to run, system compresses unit 10 starts, evaporimeter 1 and condenser 1 are started working, carry out dehumidification treatments to new wind, the new wind after dehumidifying sends into indoor after reheating, but indoor end water circulation system does not work; When monitoring indoor return air temperature lower than 15 degree and higher than 10 degree, adopt transition season heating mode to run, compressor bank starts automatically, and condenser 29 and evaporimeter two start, and carry out hyperthermic treatment to new wind.
Energy saver mode, dehumidification mode, normal mode three kinds of states can be divided in described summer mode; Energy saver mode realize indoor nobody time air circulating system is closed, indoor temperature controls with temperature on duty; Dehumidification mode realizes exceeding limit value when indoor humidity, air circulating system is automatically pressed Inner eycle dehumidification mode and is run, outdoor new wind air intake is closed, indoor end water circulation system stops, it is maximum that main frame supplies the freezing water yield of dehumidifier to the Precooling unit comprising desuperheating coil, water temperature is reduced to less than 15 degree, and air circulating system is undertaken by maximum quantity of wind; Normal mode realizes the humiture that system sets by indoor thermostat and normally runs.
When described winter mode is run, system with minimum fresh air requirmente mode operation, CO in automatic sensing chamber 2concentration, regulates required resh air requirement.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.

Claims (5)

1. second heat reclaims a method of work for Fresh air handing device, comprising:
(1) summer mode: compressor bank (10) works, new wind enters ventilation storehouse, upper left by new wind entrance (16), after new wind screen pack (1) is filtered, pass plate-type heat recovery device (2) and carry out heat exchange with return air thus reduce the temperature of new wind, evaporimeter two works and in plate type heat exchanger (11), produces the high temperature cold water that temperature is more than 16 degrees Celsius, described new wind enters right-hand member ventilation storehouse, carry out heat exchange with the high temperature cold water from plate type heat exchanger through desuperheating coil (4) thus again reduce the temperature of new wind, new wind is significantly lowered the temperature through evaporimeter one (5) and the degree of depth removes temperature, new wind carries out heat exchange thus makes new wind be warming up to comfort temperature when passing condenser one (6), new wind passes wet-membrane humidifier (7) thus makes the humidity that new wind reaches comfortable, new wind carries out blowing and passes through to blow outlet (19) air devider outward by after new wind distribution by pressure fan (13), each room is sent into by the Electric air valve on each branch road or small-sized fan, return air from each room enters upper right ventilation storehouse through return air inlet (18), to be sent in plate-type heat recovery device (2) by exhaust blower (3) after return air filters through described return air screen pack (8) and carry out heat exchange with new wind, return air through plate-type heat recovery device (2) enters in ventilation storehouse, lower-left also through condenser two (9), thus recuperation of heat is carried out to return air, enter the external world finally by wind exhausting outlet (17), meanwhile, the high temperature cold water produced by plate type heat exchanger (11) enters each capillary tube mats (14) through radiation tail end water collecting and diversifying device (12) and carries out heat exchange to being back to plate type heat exchanger (11) by each capillary tube mats (14) again behind each room.
2.(2) winter mode: compressor bank (10) works, new wind enters ventilation storehouse, upper left by new wind entrance (16), after new wind screen pack (1) is filtered, pass plate-type heat recovery device (2) and carry out heat exchange with return air thus raise the temperature of new wind, evaporimeter two works and in plate type heat exchanger (11), produces the middle warm water that temperature is 35-40 degree Celsius, described new wind enters right-hand member ventilation storehouse, carry out heat exchange with the middle warm water from plate type heat exchanger (11) through desuperheating coil (4) thus again raise the temperature of new wind, new wind is through after idle evaporimeter one (5) and condenser one (6), new wind passes wet-membrane humidifier (7) thus makes the humidity that new wind reaches comfortable, new wind carries out blowing and passes through to blow outlet (19) air devider outward by after new wind distribution by pressure fan (13), each room is sent into by the Electric air valve on each branch road or small-sized fan, return air from each room enters upper right ventilation storehouse through return air inlet (18), to be sent in plate-type heat recovery device (2) by exhaust blower (3) after return air filters through described return air screen pack (8) and carry out heat exchange with new wind, return air through plate-type heat recovery device (2) enters in ventilation storehouse, lower-left also through condenser two (9), thus recuperation of heat is carried out to return air, enter the external world finally by wind exhausting outlet (17), meanwhile, the middle warm water produced by plate type heat exchanger (11) enters each capillary tube mats (14) through radiation tail end water collecting and diversifying device (12) and carries out heat exchange to being back to plate type heat exchanger (11) by each capillary tube mats (14) again behind each room.
3.(3) transition season pattern: comprise normal transient Seasonal Model, now compressor bank and water circulation system out of service, new wind after new wind screen pack (1) is filtered and indoor exhaust wind carry out heat exchange after send into indoor; CO in automatic sensing chamber simultaneously 2concentration, regulates required resh air requirement; When monitoring indoor return air temperature more than 26 degree, when being no more than 30 degree, and relative humidity is when being no more than 60%, transition season refrigeration mode is adopted to run, system compresses unit (10) starts, evaporimeter two, condenser two (9) and desuperheating coil (4) are started working, and carry out precooling treatment to new wind, indoor end water circulation system does not work; When monitoring indoor return air temperature and being no more than 26 degree, but when relative humidity is more than 75%, transition season dehumidification mode is adopted to run, system compresses unit (10) starts, evaporimeter one (5) and condenser one (6) are started working, carry out dehumidification treatments to new wind, the new wind after dehumidifying sends into indoor after reheating, and indoor end water circulation system does not work; When monitoring indoor return air temperature lower than 15 degree and higher than 10 degree, adopt transition season heating mode to run, compressor bank starts automatically, and condenser two (9) and evaporimeter two start, and carry out hyperthermic treatment to new wind.
4. second heat according to claim 1 reclaims the method for work of Fresh air handing device, it is characterized in that: can be divided into energy saver mode, dehumidification mode, normal mode three kinds of states in described summer mode; Energy saver mode realize indoor nobody time air circulating system is closed, indoor temperature controls with temperature on duty; Dehumidification mode realizes exceeding limit value when indoor humidity, air circulating system is automatically pressed Inner eycle dehumidification mode and is run, outdoor new wind air intake is closed, indoor end water circulation system stops, it is maximum that main frame supplies the freezing water yield of dehumidifier to the Precooling unit comprising desuperheating coil, water temperature is reduced to less than 15 degree, and air circulating system is undertaken by maximum quantity of wind; Normal mode realizes the humiture that system sets by indoor thermostat and normally runs.
5. second heat according to claim 2 reclaims the method for work of Fresh air handing device, it is characterized in that: when described winter mode is run, system with minimum fresh air requirmente mode operation, CO in automatic sensing chamber 2concentration, regulates required resh air requirement.
CN201410138217.9A 2014-04-08 2014-04-08 The method of work of secondary recuperation of heat Fresh air handing device Active CN104976704B (en)

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