CN104976704B - The method of work of secondary recuperation of heat Fresh air handing device - Google Patents

The method of work of secondary recuperation of heat Fresh air handing device Download PDF

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Publication number
CN104976704B
CN104976704B CN201410138217.9A CN201410138217A CN104976704B CN 104976704 B CN104976704 B CN 104976704B CN 201410138217 A CN201410138217 A CN 201410138217A CN 104976704 B CN104976704 B CN 104976704B
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CN
China
Prior art keywords
fresh air
air
type heat
return air
condenser
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CN201410138217.9A
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Chinese (zh)
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CN104976704A (en
Inventor
涂道军
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上海诺佛尔生态科技股份有限公司
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Priority to CN201410138217.9A priority Critical patent/CN104976704B/en
Publication of CN104976704A publication Critical patent/CN104976704A/en
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    • 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
    • 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
    • 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 present invention relates to a kind of method of work of secondary recuperation of heat Fresh air handing device, it is divided into summer mode, winter mode, transition season pattern;Energy saver mode, dehumidification mode, three kinds of states of normal mode can be divided into the summer mode;During winter mode operation, system is with minimum fresh air requirmente mode operation, CO in automatic detection room2Concentration, resh air requirement needed for regulation;The transition season pattern includes normal transient Seasonal Model, transition season refrigeration mode, transition season dehumidification mode and transition season heating mode.

Description

The method of work of secondary recuperation of heat Fresh air handing device
Technical field
The present invention relates to a kind of method of work of secondary recuperation of heat Fresh air handing device, particularly for central air conditioner system Fresh air handing device method of work.
Background technology
If the air draft of central air-conditioning wind system is directly arranged to air, air draft energy is not reclaimed, energy is caused The significant wastage in source;In order to preferably energy-saving, the secondary utilization of energy is realized, it is necessary to which a kind of central air-conditioning air draft energy is returned Receiving apparatus;The heat reclamation device of existing central air-conditioning mostly realizes heat transfer process using total-heat exchanger, and heat exchange efficiency is relative It is relatively low, and substantial amounts of energy is still contained in air draft after heat exchange, traditional new blower for heat recycling is unfavorable for the efficient utilization of thermal source.
Current family expenses fresh air processor, is basically that room is sent directly into after total-heat exchanger after fresh air is filtered It is interior, certain cooling or heating treatment, certain air conditioner refrigerating or heating effect as that need to reach are not carried out to fresh air, it is necessary to another Outer unlatching air-conditioning or heating equipment.But the long duration in 1 year handles transition season, at this time, if do not turned on the aircondition, Obvious discomfort occurs in interior, and air-conditioning or heating equipment at this moment must be opened in addition, causes the unnecessary consumption of energy consumption.
Current radiation tail end is the dry type end system of representative, in turning into following with its high health, high degree of comfort The Developing mainstream of air-conditioning system is entreated, but the dehumidifying technology of the Fresh air handing particularly fresh air of dry type end is also immature, in engineering The problems such as occurring in that condensation in practical application, urgent problem is turned into the depth dehumidifying technology of fresh air.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of method of work of secondary recuperation of heat Fresh air handing device, no It is only capable of making fresh air carry out direct heat exchange with air draft, moreover it is possible to carry out recuperation of heat to the air draft after heat exchange.
In order to solve the above-mentioned technical problem, the present invention provides a kind of method of work of secondary recuperation of heat Fresh air handing device, Including:
(1)Summer mode:Compressor set works, and fresh air enters upper left ventilation storehouse by fresh air inlet, through fresh air screen pack Through plate-type heat recovery device and carry out heat exchange to reduce the temperature of fresh air with return air after filtering, evaporator two work and Produce the high temperature cold water that temperature is more than 16 degrees Celsius in plate type heat exchanger, the fresh air enter right-hand member divulge information storehouse, through precooling Coil pipe simultaneously carries out heat exchange so as to reduce the temperature of fresh air again with the high temperature cold water from plate type heat exchanger, and fresh air passes through evaporation Device one is significantly cooled and depth is except temperature, and fresh air carries out heat exchange through condenser so that fresh air is warming up to comfortably for the moment Temperature, fresh air is through wet-membrane humidifier so that fresh air reaches comfortable humidity, and pressure fan is blown fresh air and by sending Air devider outside wind outlet fresh air is distributed after, each room sent into by the Electric air valve on each branch road or small-sized fan;From each The return air in room enters upper right ventilation storehouse through return air inlet, and return air sends into plate after passing through the return air filter screen filtration by exhaust blower Heat exchange is carried out in formula heat reclamation device and with fresh air, the return air through plate-type heat recovery device enters in the ventilation storehouse of lower-left and worn Condenser two is crossed, so as to carry out recuperation of heat to return air, most the external world is discharged into through wind exhausting outlet afterwards;At the same time, by plate type heat exchanger The high temperature cold water of generation is flowed back by each capillary tube mats again after end water collecting and diversifying device enters each capillary tube mats to each room via radiation Heat exchange is carried out to plate type heat exchanger.
(2)Winter mode:Compressor set works, and fresh air enters upper left ventilation storehouse by fresh air inlet, through fresh air screen pack Through plate-type heat recovery device after filtering and with return air heat exchange is carried out to raise the temperature of fresh air, evaporator two work and Produce the middle warm water that temperature is 35-40 degrees Celsius in plate type heat exchanger, the fresh air enters right-hand member ventilation storehouse, through pre- cold dish Middle warm waters of the Guan Bingyu from plate type heat exchanger carries out heat exchange so as to raise the temperature of fresh air again, and fresh air is passed through and do not worked Evaporator one and condenser one after, fresh air passes through wet-membrane humidifier so that fresh air reaches comfortable humidity, and pressure fan will be new Wind blown and by air-supply outlet outside air devider fresh air is distributed after, by the Electric air valve or small-sized fan on each branch road Send into each room;Return air from each room enters upper right ventilation storehouse through return air inlet, and return air passes through the return air screen pack mistake Sent into after filter by exhaust blower in plate-type heat recovery device and carry out heat exchange with fresh air, the return air through plate-type heat recovery device enters Enter in the ventilation storehouse of lower-left and through condenser two, so as to carry out recuperation of heat to return air, be most discharged into the external world through wind exhausting outlet afterwards;With this Meanwhile, the middle warm water produced by plate type heat exchanger is led to again after end water collecting and diversifying device enters each capillary tube mats to each room via radiation Cross each capillary tube mats and be back to plate type heat exchanger progress heat exchange.
(3)Transition season pattern:Including normal transient Seasonal Model, now compressor set and water circulation system stop fortune OK, fresh air carries out sending into interior after heat exchange after fresh air filter screen filtration with indoor exhaust wind;While CO in automatic detection room2It is dense Degree, resh air requirement needed for regulation;When monitoring indoor return air temperature more than 26 degree, during no more than 30 degree, and relative humidity does not surpass When 60%, run using transition season refrigeration mode, system compresses unit starts, evaporator two, condenser two and desuperheating coil Start working, precooling treatment is carried out to fresh air, indoor end water circulation system does not work;When monitoring that indoor return air temperature do not surpass When crossing 26 degree, but relative humidity more than 75% when, using transition season dehumidification mode run, system compresses unit start, evaporator One and condenser work at the beginning, dehumidification treatments are carried out to fresh air, feeding is indoor after fresh air after dehumidifying is reheated, indoor end Water circulation system does not work;When monitor indoor return air temperature less than 15 degree and higher than 10 degree when, using transition season heating mould Formula is run, and compressor set automatic, condenser two and evaporator two start, and heating treatment is carried out to fresh air.
Energy saver mode, dehumidification mode, three kinds of states of normal mode can be divided into the summer mode;Energy saver mode realizes room It is interior nobody when air circulating system is closed, indoor temperature is with temperature control on duty;Dehumidification mode realizes that working as indoor humidity exceedes limit value, Air circulating system is run by interior circulation dehumidification mode automatically, and outdoor fresh air air intake is closed, and indoor end water circulation system stops, main Machine is maximum to the Precooling unit supply dehumidifier freezing water including desuperheating coil, and water temperature is reduced to less than 15 degree, wind circulation System is carried out by maximum quantity of wind;Normal mode realizes that the humiture that system is set by indoor thermostat is normally run.
During winter mode operation, system is with minimum fresh air requirmente mode operation, CO in automatic detection room2Concentration, regulation Required resh air requirement.
Relative to prior art, what the present invention had has the technical effect that:(1)The Fresh air handing with secondary recuperation of heat Device, using plate-type heat recovery device, makes fresh air carry out direct heat exchange with air draft, while condenser two can be carried out to air draft Secondary recuperation of heat, compared with prior art in carry out fresh air and air draft heat exchange only with total-heat exchanger, significantly decrease energy Waste;(2)Compared to the fixation mode of operation that in existing family expenses fresh air processor or air-conditioning system is directed to season in summer in winter two, The method of work of the secondary recuperation of heat Fresh air handing device can be according to Various Seasonal, using various corresponding mode of operations pair Fresh air or indoor water circulation system carry out temperature adjustment, thus improve air-conditioning system the four seasons operating efficiency and significantly reduce energy Consumption;(3)Desuperheating coil can carry out precooling or heating to fresh air, evaporator one can depth dehumidify and cool down, condenser one can So that fresh air is warming up to comfort temperature, wet-membrane humidifier can carry out humidity regulation to fresh air, so as to maintain the appropriate wet of fresh air Degree, is both overcome using the indoor dew condensation phenomenon after radiation tail end system, and indoor occupant will not be made to feel too dry again;(4)Summer Season, pattern included energy saver mode, dehumidification mode, normal mode, can be according to indoor temperature and humidity automatic regulating system Work, further saves energy consumption;(5)In order to keep indoor temperature needs to be run with minimum air quantity in winter mode, this has The Fresh air handing device of secondary recuperation of heat can be according to indoor CO2Concentration adjusts the air quantity of fresh air, it is to avoid indoor anoxic;(6) Recirculated water can be distributed according to need to each room and adjust the confession in each room by thermoelectricity actuator by radiation tail end water collecting and diversifying device Water, so as to adjust the temperature in each room;(7)Air devider and electronic point of air-valve or small-sized fan fresh air can be distributed according to need to In each room.
Brief description of the drawings
For the innovative principle and its technical advantage compared to existing product of the clear explanation present invention, below by way of attached Scheme to illustrate possible embodiment by the non-limiting examples of the application principle.In figure:
Fig. 1 is the structure principle chart of the double-compressor Fresh air handing device of the present invention;
Fig. 2 is the left view of the double-compressor Fresh air handing device of the present invention;
Fig. 3 is the right view of the double-compressor Fresh air handing device of the present invention.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the Fresh air handing device with secondary recuperation of heat includes:Fresh air screen pack 1, plate Formula heat reclamation device 2, exhaust blower 3, desuperheating coil 4, evaporator 1, condenser 1, wet-membrane humidifier 7, return air screen pack 8, Condenser 29, compressor set 10, plate type heat exchanger 11, radiation tail end water collecting and diversifying device 12, pressure fan 13, capillary tube mats 14, main water Pipe 15, fresh air inlet 16, wind exhausting outlet 17, return air inlet 18, air-supply outlet 19, dividing plate 20.
The plate-type heat recovery device 2 can use Chinese patent literature number to be such as assembled into for the injection in CN1317539C The flat air heat exchanger of adverse current or cross-current of type, Chinese patent literature number are the board-like waste heat in CN201081580Y It is the plate type heat exchanger in CN1022798903A to reclaim heat exchanger or Chinese patent literature number, or using such as Chinese patent text The number of offering is the plate type heat exchanger in CN102138053B;The Fresh air handing device with secondary recuperation of heat is hollow framework Structure, its left surface middle and upper part is provided with fresh air inlet 16, and its left surface middle and lower part is provided with wind exhausting outlet 17, its right flank middle and upper part Provided with return air inlet 18, its right flank middle part is provided with air-supply outlet 19, the Fresh air handing device with secondary recuperation of heat Inner chamber is separated into four independent ventilation storehouses by cube plate-type heat recovery device 2 and multiple dividing plates 20(I.e.:Upper left ventilation storehouse, Lower-left ventilation storehouse, upper right ventilation storehouse, right-hand member ventilation storehouse)And the cabin of a lower right, wherein the fresh air inlet 16 and upper left Ventilation storehouse is connected, and the wind exhausting outlet 17 is connected with lower-left ventilation storehouse, and the return air inlet 18 is connected with upper right ventilation storehouse Logical, the air-supply outlet 19 is connected with right-hand member ventilation storehouse;Fresh air screen pack 1 is vertical in the upper left ventilation storehouse, is used for Dust removal by filtration is carried out to the fresh air for entering the storehouse, condenser 29 is vertical in the lower-left ventilation storehouse, for being carried out to air draft Recuperation of heat, exhaust blower 3 is in upper right ventilation storehouse, and the right side of the exhaust blower 3, which is provided with, to be used to carry out dust removal by filtration to return air Return air screen pack 8, right-hand member ventilation storehouse inside left-end is provided with desuperheating coil 4, and the right side of the desuperheating coil 4 is adjacent provided with using In the evaporator 1 that direct-expansion type dehumidifies and cools, the right side of the evaporator 1 is adjacent to be provided with condenser 1, the condenser 1 Adjacent be provided with right side be used for the wet-membrane humidifier 7 that is humidified to fresh air, the right side of the wet-membrane humidifier 7 is provided with pressure fan 13;Compressor set 10 is provided with the cabin, the compressor set 10 includes variable-frequency compressor one and determines the compressor two of frequency, The pipeline that the right side of the compressor set 10 is provided with plate type heat exchanger 11, the plate type heat exchanger 11 is divided into two tunnels by threeway and managed Road, all the way pipeline be connected with desuperheating coil 4, another road pipeline passes through water main 15 and radiation tail end(Or dry type end)Diversity Hydrophone 12 is connected, and the right side of the radiation tail end water collecting and diversifying device 12 is connected with the capillary towards the one-to-one corresponding loop in each room Pipe seat 14 or other dry type end-o f-pipe -control devices, the connecting tube between radiation tail end water collecting and diversifying device 12 and capillary tube mats 14 are provided with For the thermoelectricity actuator for controlling to supply water, the capillary tube mats 14 are connected or with being embedded in room wall with the cold beam in room Heat-exchange tube in wall, floor is connected, and the plate type heat exchanger 11 carries out heat transfer with adjacent evaporator two;When air-conditioning is negative Lotus hour compressor one works, and when air conditioner load is big, compressor one works simultaneously with compressor two, so as to save energy consumption;Air-supply Outlet 19, which is externally provided with, distributes fresh air to the air devider in each room, and Electric air valve or solely is equipped with each branch road of air devider rear end The small-sized fan of vertical circuit controls, can carry out Boiler pressure control to the blowpipe of each branch road.
The Fresh air handing device with secondary recuperation of heat, its method of work includes:
(1)Summer mode:Compressor set 10 works, and fresh air enters upper left ventilation storehouse by fresh air inlet 16, through fresh air mistake Filter screen 1 carries out heat exchange so as to reduce the temperature of fresh air, the work of evaporator two after filtering through plate-type heat recovery device 2 and with return air Make simultaneously to produce the high temperature cold water that temperature is more than 16 degrees Celsius in the plate type heat exchanger 11, the fresh air enter right-hand member divulge information storehouse, Heat exchange is carried out so as to reduce the temperature of fresh air again through desuperheating coil 4 and with the high temperature cold water from plate type heat exchanger, newly Wind carries out significantly cooling through evaporator 1 and depth is except temperature, and fresh air carries out heat exchange so that new when passing through condenser 1 Wind is warming up to comfort temperature, and fresh air is through wet-membrane humidifier 7 so that fresh air reaches comfortable humidity, and pressure fan 13 enters fresh air Go after blowing and being distributed fresh air by the air devider outside air-supply outlet 19, sent by the Electric air valve or small-sized fan on each branch road Enter each room;Return air from each room enters upper right ventilation storehouse through return air inlet 18, and return air passes through the mistake of return air screen pack 8 Sent into after filter by exhaust blower 3 in plate-type heat recovery device 2 and carry out heat exchange with fresh air, through returning for plate-type heat recovery device 2 Wind enters in the ventilation storehouse of lower-left and through condenser 29, so as to carry out recuperation of heat to return air, be most discharged into afterwards through wind exhausting outlet 17 outside Boundary;At the same time, end water collecting and diversifying device 12 enters each capillary tube mats 14 to the high temperature cold water produced by plate type heat exchanger 11 via radiation Plate type heat exchanger 11, which is back to, after to each room by each capillary tube mats 14 again carries out heat exchange.
(2)Winter mode:Compressor set 10 works, and fresh air enters upper left ventilation storehouse by fresh air inlet 16, through fresh air mistake Filter screen 1 carries out heat exchange so as to raise the temperature of fresh air, the work of evaporator two after filtering through plate-type heat recovery device 2 and with return air Make and the middle warm water that temperature is 35-40 degrees Celsius is produced in plate type heat exchanger 11, the fresh air enters right-hand member ventilation storehouse, worn Cross desuperheating coil 4 and carry out heat exchange with the middle warm water from plate type heat exchanger 11 so as to raise the temperature of fresh air again, newly Wind is passed through after idle evaporator 1 and condenser 1, and fresh air is through wet-membrane humidifier 7 so that fresh air reaches comfortably Humidity, pressure fan 13 fresh air is blown and fresh air is distributed by the air devider outside air-supply outlet 19 after, by each branch road Electric air valve or small-sized fan send into each room;Return air from each room enters upper right ventilation storehouse through return air inlet 18, returns Wind is sent into plate-type heat recovery device 2 by exhaust blower 3 after being filtered through the return air screen pack 8 and carries out heat exchange with fresh air, Return air through plate-type heat recovery device 2 enters in the ventilation storehouse of lower-left and through condenser 29, is returned so as to carry out heat to return air Receive, be most discharged into the external world through wind exhausting outlet 17 afterwards;At the same time, the middle warm water produced by plate type heat exchanger 11 via radiation divide by end Plate type heat exchanger 11, which is back to, behind the entrance of water collector 12 each capillary tube mats 14 to each room by each capillary tube mats 14 again carries out heat Exchange.
(3) transition season pattern:Including normal transient Seasonal Model, now compressor set and water circulation system stop fortune OK, feeding interior after heat exchange is carried out after fresh air is filtered through fresh air screen pack 1 with indoor exhaust wind;While CO in automatic detection room2 Concentration, resh air requirement needed for regulation;When monitoring indoor return air temperature more than 26 degree, during no more than 30 degree, and relative humidity is not During more than 60%, run using transition season refrigeration mode, system compresses unit 10 starts, evaporator two, condenser 29 and pre- Cooling coil 4 is started working, and precooling treatment is carried out to fresh air, but indoor end water circulation system does not work;When monitoring indoor return Air temperature be no more than 26 degree when, but relative humidity more than 75% when, using transition season dehumidification mode run, system compresses unit 10 start, and evaporator 1 and condenser 1 are started working, and dehumidification treatments are carried out to fresh air, are sent after the fresh air after dehumidifying is reheated Enter interior, but indoor end water circulation system does not work;When monitor indoor return air temperature less than 15 degree and be higher than 10 degree when, adopt Run with transition season heating mode, compressor set automatic, condenser 29 and evaporator two start, fresh air risen Temperature processing.
Energy saver mode, dehumidification mode, three kinds of states of normal mode can be divided into the summer mode;Energy saver mode realizes room It is interior nobody when air circulating system is closed, indoor temperature is with temperature control on duty;Dehumidification mode realizes that working as indoor humidity exceedes limit value, Air circulating system is run by interior circulation dehumidification mode automatically, and outdoor fresh air air intake is closed, and indoor end water circulation system stops, main Machine is maximum to the Precooling unit supply dehumidifier freezing water including desuperheating coil, and water temperature is reduced to less than 15 degree, wind circulation System is carried out by maximum quantity of wind;Normal mode realizes that the humiture that system is set by indoor thermostat is normally run.
During winter mode operation, system is with minimum fresh air requirmente mode operation, CO in automatic detection room2Concentration, regulation Required resh air requirement.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to the present invention The restriction of embodiment.For those of ordinary skill in the field, it can also be made on the basis of the above description Its various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair Among the obvious change or variation that bright spirit is extended out are still in protection scope of the present invention.

Claims (1)

1. a kind of method of work of secondary recuperation of heat Fresh air handing device, it is characterised in that at the fresh air with secondary recuperation of heat Reason device includes:Fresh air screen pack(1), plate-type heat recovery device(2), exhaust blower(3), desuperheating coil(4), evaporator one(5), Condenser one(6), wet-membrane humidifier(7), return air screen pack(8), condenser two(9), compressor set(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), fresh air inlet(16), row Wind is exported(17), return air inlet(18), air-supply outlet(19), dividing plate(20);
The Fresh air handing device with secondary recuperation of heat is hollow frame structure, and its left surface middle and upper part enters provided with fresh air Mouthful(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), its right flank Middle part is provided with air-supply outlet(19), the inner chamber of the Fresh air handing device with secondary recuperation of heat is by the board-like recuperation of heat of cube Device(2)And multiple dividing plates(20)The cabin of four independent ventilation storehouses and a lower right is separated into, wherein the fresh air enters Mouthful(16)It is connected with upper left ventilation storehouse, the wind exhausting outlet (17) is connected with lower-left ventilation storehouse, the return air inlet (18) it is connected with upper right ventilation storehouse, the air-supply outlet (19) is connected with right-hand member ventilation storehouse;
Fresh air screen pack (1) is vertical in the upper left ventilation storehouse, and condenser two (9) is vertical at the lower-left ventilation storehouse Interior, exhaust blower (3) is in upper right ventilation storehouse, and the right side of the exhaust blower (3), which is provided with, to be used to carry out dust removal by filtration to return air Return air screen pack (8), right-hand member ventilation storehouse inside left-end is provided with desuperheating coil (4), the right side phase of the desuperheating coil (4) Neighbour, which is provided with, is used for the evaporator one (5) that direct-expansion type dehumidifies and cooled, and the right side of the evaporator one (5) is adjacent to be provided with condenser one (6), the right side of the condenser one (6) is adjacent is provided with the wet-membrane humidifier (7) for being used for being humidified to fresh air, the wet-film humidifying The right side of device (7) is provided with pressure fan (13);Compressor set (10) is provided with the cabin, the compressor set (10) includes can The compressor one of frequency conversion and the compressor two for determining frequency, the right side of the compression group (10) are provided with plate type heat exchanger (11), and this is board-like to change Pipeline on hot device (11) is divided into two road pipelines by threeway, and pipeline is connected with desuperheating coil (4) all the way, another road pipeline It is connected by water main (15) with radiation tail end water collecting and diversifying device (12), is connected on the right side of the radiation tail end water collecting and diversifying device (12) It is connected to the capillary tube mats (14) or other dry type end-o f-pipe -control devices towards the one-to-one corresponding loop in each room, radiation tail end Connecting tube between water collecting and diversifying device (12) and capillary tube mats (14) is provided with the thermoelectricity actuator for being used for controlling to supply water, the hair Tubule seat (14) is connected with the cold beam in room or is connected with being embedded in room wall, the heat-exchange tube in floor, institute State plate type heat exchanger (11) and carry out heat transfer with adjacent evaporator two;When air conditioner load is small, compressor one works, and works as air-conditioning Compressor one works simultaneously with compressor two when load is big;Air-supply outlet (19), which is externally provided with, distributes fresh air to point in each room The small-sized fan of Electric air valve or independent loop control is equipped with wind device, each branch road of air devider rear end;
The method of work includes:
(1)Summer mode:Compressor set(10)Work, fresh air passes through fresh air inlet(16)Into upper left ventilation storehouse, through fresh air mistake Filter screen(1)Plate-type heat recovery device is passed through after filtering(2)And carry out heat exchange to reduce the temperature of fresh air, evaporator with return air Two work and in plate type heat exchanger(11)Interior to produce the high temperature cold water that temperature is more than 16 degrees Celsius, the fresh air enters right-hand member Divulge information storehouse, through desuperheating coil(4)And carry out heat exchange to reduce fresh air again with the high temperature cold water from plate type heat exchanger Temperature, fresh air pass through evaporator one(5)Significantly cooling and depth dehumidifying are carried out, fresh air passes through condenser one(6)Shi Jinhang Heat exchange is so that fresh air is warming up to comfort temperature, and fresh air passes through wet-membrane humidifier(7)So that fresh air reaches comfortable humidity, Pressure fan(13)Fresh air is blown and by air-supply outlet(19)Outer air devider fresh air is distributed after, by each branch road Electric air valve or small-sized fan send into each room;Return air from each room is through return air inlet(18)Into upper right ventilation storehouse, return Wind passes through the return air screen pack(8)By exhaust blower after filtering(3)Send into plate-type heat recovery device(2)It is interior and hot with fresh air progress Exchange, through plate-type heat recovery device(2)Return air enter lower-left ventilation storehouse in and pass through condenser two(9), so as to return air Recuperation of heat is carried out, most afterwards through wind exhausting outlet(17)It is discharged into the external world;At the same time, by plate type heat exchanger(11)The high temperature cold water of generation End water collecting and diversifying device via radiation(12)Into each capillary tube mats(14)Pass through each capillary tube mats again after to each room(14)It is back to Plate type heat exchanger(11)Carry out heat exchange;
(2)Winter mode:Compressor set(10)Work, fresh air passes through fresh air inlet(16)Into upper left ventilation storehouse, through fresh air mistake Filter screen(1)Plate-type heat recovery device is passed through after filtering(2)And carry out heat exchange to raise the temperature of fresh air, evaporator with return air Two work and in plate type heat exchanger(11)Interior to produce the middle warm water that temperature is 35-40 degrees Celsius, the fresh air is logical into right-hand member Wind cabin, through desuperheating coil(4)And with from plate type heat exchanger(11)Middle warm water to carry out heat exchange new so as to raise again The temperature of wind, fresh air passes through idle evaporator one(5)And condenser one(6)Afterwards, fresh air passes through wet-membrane humidifier(7)So as to Fresh air is set to reach comfortable humidity, pressure fan(13)Fresh air is blown and by air-supply outlet(19)Outer air devider will be new Each room is sent into after wind distribution, by the Electric air valve on each branch road or small-sized fan;Return air from each room is through return air inlet (18)Into upper right ventilation storehouse, return air passes through the return air screen pack(8)By exhaust blower after filtering(3)Send into board-like recuperation of heat dress Put(2)It is interior and with fresh air carry out heat exchange, through plate-type heat recovery device(2)Return air enter lower-left ventilation storehouse in and pass through it is cold Condenser two(9), so that recuperation of heat is carried out to return air, most afterwards through wind exhausting outlet(17)It is discharged into the external world;At the same time, by plate-type heat-exchange Device(11)The middle warm water end water collecting and diversifying device via radiation produced(12)Into each capillary tube mats(14)Pass through again after to each room Each capillary tube mats(14)It is back to plate type heat exchanger(11)Carry out heat exchange;
(3)Transition season pattern:Including normal transient Seasonal Model, now compressor set and water circulation system are out of service, newly Wind is through fresh air screen pack(1)Feeding interior after heat exchange is carried out after filtering with indoor exhaust wind;CO2 is dense in automatic detection room simultaneously Degree, resh air requirement needed for regulation;When monitoring indoor return air temperature more than 26 degree, during no more than 30 degree, and relative humidity is not During more than 60%, run using transition season refrigeration mode, system compresses unit(10)Start, evaporator two, condenser two(9) And desuperheating coil(4)Start working, precooling treatment is carried out to fresh air, indoor end water circulation system does not work;When monitoring room Interior return air temperature be no more than 26 degree when, but relative humidity more than 75% when, using transition season dehumidification mode run, system pressure Contracting unit(10)Start, evaporator one(5)And condenser one(6)Start working, dehumidification treatments are carried out to fresh air, it is new after dehumidifying Feeding is indoor after wind is reheated, and indoor end water circulation system does not work;When monitor indoor return air temperature less than 15 degree and height When 10 degree, run using transition season heating mode, compressor set automatic, condenser two(9)And evaporator two is opened It is dynamic, heating treatment is carried out to fresh air.
CN201410138217.9A 2014-04-08 2014-04-08 The method of work of secondary recuperation of heat Fresh air handing device CN104976704B (en)

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CN201710562732.3A CN107355917A (en) 2014-04-08 2014-04-08 A kind of secondary recuperation of heat Fresh air handing device of central air conditioner system
CN201710562733.8A CN107270432A (en) 2014-04-08 2014-04-08 The method of work of the secondary recuperation of heat Fresh air handing device of central air conditioner system
CN201710582337.1A CN107270502A (en) 2014-04-08 2014-04-08 The secondary recuperation of heat Fresh air handing device and its method of work of central air conditioner system
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