CN105716151B - Indoor fresh air and oil smoke emission system - Google Patents

Indoor fresh air and oil smoke emission system Download PDF

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Publication number
CN105716151B
CN105716151B CN201610235378.9A CN201610235378A CN105716151B CN 105716151 B CN105716151 B CN 105716151B CN 201610235378 A CN201610235378 A CN 201610235378A CN 105716151 B CN105716151 B CN 105716151B
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air
exhaust
heat
heat exchanger
outdoor
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CN105716151A (en
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荣国华
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荣国华
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0059Indoor units, e.g. fan coil units characterised by heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0035Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0041Indoor units, e.g. fan coil units characterised by exhaustion of inside air from the room
    • 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
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems also by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems also by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08Ventilation with ducting systems also 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • 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 includes air purifier, pressure fan, exhaust blower, smoke exhaust ventilator, heat exchanger, air-conditioner, ajutage, exhaust duct, it can eliminate PM2.5, the fresh air of cleaning is sent to interior, heat exchanger can also be utilized to reclaim the heat energy of indoor exhaust air and kitchen high-temperature oil smoke, purifying oil smoke-containing waste gas, energy-saving and emission-reduction are realized, with elimination haze, fresh air, recuperation of heat, waste air, mist extractor, purify air, the various functions of heating air conditioning is sent.

Description

Indoor fresh air and oil smoke emission system
Technical field
The invention belongs to air conditioner field, and in particular to for sending fresh air, discharge indoor exhaust air and kitchen oil to interior The ventilation and air conditioning system of cigarette.
Background technology
Consuming excessively for the energy causes exacerbation, the deterioration of environment of haze, is that this businessman is proposed and can eliminate haze Central ventilation system, it carries air cleaning unit, by outdoor fresh air purified treatment, removes PM2.5, is then fed into interior, it Also carry heat exchanger, outdoor fresh air and indoor exhaust wind heat exchange, the used heat in recovery room, especially in the winter time, indoor/outdoor temperature-difference compared with Greatly, substantial amounts of heat energy is contained in indoor exhaust wind, heat energy is reclaimed by heat exchanger, energy-saving effect is notable.
The indoor exhaust wind that above-mentioned heat exchanger is reclaimed is the waste gas of people's breathing, but in life, indoor exhaust air also has health Between foul smell etc..In food cooking manufacturing process, kitchen will consume substantial amounts of fuel, produce substantial amounts of high-temperature oil smoke waste gas, oil Cigarette is discharged to outdoor by smoke exhaust ventilator, and heat energy therein is also discharged therewith, without recycling, when especially cooking in the winter time, with Oil smoke is externally discharged, and substantial amounts of outdoor cold air will pour in interior as wind is mended, and room temperature drastically declines, and existing VMC The heat energy of oil smoke can not be reclaimed, therefore wastes mass energy.
The content of the invention
It is an object of the invention to provide it is a kind of can in recovery room various waste gas heat energy, kitchen fume heat can be reclaimed again The indoor fresh air and oil smoke emission system of energy.
Solution of the invention is:Indoor fresh air and oil smoke emission system include air purifier, pressure fan, exhaust blower, Smoke exhaust ventilator, heat exchanger, air-conditioner, ajutage, exhaust duct.Exhaust blower, smoke exhaust ventilator, heat exchanger are pumped on exhaust duct The exhaust outlet of cigarette machine connects the air draft entrance of heat exchanger, and the wind exhausting outlet of heat exchanger runs in fan inlet, and exhaust blower outlet connects outdoor; On ajutage, the air inlet of air purifier is with outdoor fresh air mouthful even for air purifier, pressure fan, heat exchanger, air-conditioner Connect, air outlet picks fan inlet, pressure fan outlet connects the fresh air inlet of heat exchanger, and the fresh air outlet of heat exchanger connects air-conditioner Air inlet, the air outlet of air-conditioner connects indoor air supply duct, and air returning valve is housed on air supply duct, or, air purifier Air inlet is connected with outdoor fresh air mouthful, and air outlet connects the fresh air inlet of heat exchanger, and the fresh air outlet of heat exchanger meets entering for air-conditioner Air port, the air outlet of air-conditioner picks fan inlet, and pressure fan outlet connects indoor air supply duct.
Air purifier has filtration dust catcher, electrostatic precipitator etc., or both combination, PM2.5 can be eliminated, filter Formula deduster has filter-type, absorbent-type, ionic etc. using the filtering materials such as screen pack, non-woven fabrics, electrostatic precipitator.
Pressure fan, exhaust blower using two grades, third gear, multi gear or stepless speed regulating blower fan, to adapt to cook mist extractor and air-conditioning The demand of air quantity is run, the air quantity of pressure fan should be matched with the air quantity of exhaust blower, and the air quantity of pressure fan is preferably greater than the wind of exhaust blower Amount, can keep indoor positive pressure, and air quantity when can meet maximum air conditioning load.
Smoke exhaust ventilator has top suction type, side-suction type, lower-discharging type etc., and it is a collection hood, and without exhaust blower, band oil smoke is net Change device, have filtering type oil expeller, electrostatic oil expeller etc., or both combination, heat exchanger is entered back into after fume purifying, room is discharged to Outward.
Heat exchanger is air-air or air-liquid-air or air-working medium-air heat exchanger, air-air heat exchange Device has shell-tube type, board-like, plate-fin heat exchanger etc., and air-liquid-air heat exchanger has ethylene glycol heat exchanger etc., air-work Matter-air heat exchanger has heat exchange of heat pipe, heat pump heat exchanger etc., by structure type point, can be divided into monoblock type, split type heat exchange Device, there is fresh air channel and air exhaust passage in heat exchanger, outdoor fresh air is by fresh air channel, and indoor exhaust air, oil smoke are logical by air draft Road, two passages by heat exchanging body, the closed cut-off of housing, and by heat exchanging body heat exchange, outdoor fresh air and indoor exhaust air or oil smoke The closed cut-off of waste gas is not contacted, and does not produce cross pollution, and the fresh air channel and air exhaust passage of Integral heat-exchange device are in a housing Interior, the fresh air channel and air exhaust passage of split type heat exchanger are provided separately, and are connected and conducted heat by circulating line, heat exchanger The heat exchanging body of housing and inside preferably uses impervious material such as stainless steel to make, and this belongs to sensible heat exchanger, when heat exchanging body is adopted During with permeable but airtight, oil-tight, the material of the high temperature of resistance to oil smoke, this belongs to air-to-air total heat exchanger.Air exhaust passage carries draining Mouthful, the You Heshui condensed in discharge indoor exhaust air and oil flue waste gas, certainly, the oil fume purifier that is carried by smoke exhaust ventilator is removed Oil purification, the oil flue waste gas into heat exchanger is cleaned very much.
Air-conditioner uses heat pump or provides the surface cooler of hot and cold water, for winter heating, cooling in summer, its load energy Meet the demand of indoor heating or summer air-conditioning, the heat energy in indoor exhaust air and oil flue waste gas is reclaimed using evaporator with heat pump When, evaporator with heat pump is arranged in parallel or in series in heat pump, operation of air conditioner is carried out simultaneously with heat energy is reclaimed in heat pump, Therefore heat pump closes in a system air-conditioner and heat exchanger, has had both functions concurrently.
When cooking in winter, pressure fan and exhaust blower are opened, high-temperature oil smoke is handed in heat exchanger with low temperature outdoor fresh air heat Change, oil smoke cooling row is heated to outdoor, fresh air, sends into each room, while high-temperature oil smoke is lowered the temperature in heat exchanger, wherein Oil smoke also condense, purified air;When not cooking in winter, indoor exhaust air by smoke exhaust ventilator, in heat exchanger with Low temperature outdoor fresh air heat exchange, to outdoor, fresh air is heated indoor exhaust air cooling row, then by the reheating of air-conditioner, send Enter each room.No matter whether cooking, when thermic load of blowing is inadequate, air-conditioner can be started, air-supply is heated, met Winter heating demand.
When not cooking summer, indoor low temperature waste gas is handed in heat exchanger by smoke exhaust ventilator with high temperature outdoor fresh air heat Change, indoor exhaust air heats up row to outdoor, and fresh air is cooled, and each room is sent into after air-conditioner is lowered the temperature again;Done when summer During meal, there is no heat exchange in outdoor fresh air and high-temperature oil smoke, high-temperature oil smoke or be arranged to outdoor, outdoor fresh air or logical by bypass pipe Bypass pipe is crossed, each room is sent into after air-conditioner is lowered the temperature again.No matter whether cooking, when refrigeration duty of blowing is inadequate, can To start air-conditioner, air-supply is cooled down, meet summer air-conditioning demand.
In transition season, whether fresh air there is heat exchange with high-temperature oil smoke or indoor exhaust air, depending on the height of outdoor temperature It is low, it is not usually required to heat exchange, outdoor fresh air is sent directly into interior.
The control operation mode of the system has four kinds:Control manually, guidance panel can be placed on smoke exhaust ventilator, using button Or soft-touch control;IR remote controller is controlled;Mobile phone A PP is controlled;Unattended intelligent is controlled, and system is equipped with various probes and sensing Device, detects the parameters such as indoor and outdoor temperature, haze index, carbon dioxide, oil smoke concentration automatically, according to the setting value of people, treatment Device compares and calculates automatically, and instruction, automated system operation are sent to actuator.
Therefore, the present invention has and eliminates haze, send fresh air, recuperation of heat, waste air, mist extractor, purify air, heating air conditioning Various functions.
Brief description of the drawings
Fig. 1 is monoblock type indoor fresh air and oil smoke emission system structural map
Fig. 2 is split type indoor fresh air and oil smoke emission system structural map 1
Fig. 3 is split type indoor fresh air and oil smoke emission system structural map 2
Fig. 4 is evaporator series formula indoor fresh air and oil smoke emission system structural map
Fig. 5 is evaporator parallel type indoor fresh air and oil smoke emission system structural map
Fig. 6 is indoor fresh air and oil smoke emission system structural map without outdoor heat exchanger
Fig. 7 is indoor fresh air of the heat pump with Intermediate Heat Exchanger and oil smoke emission system structural map 1
Fig. 8 is indoor fresh air of the heat pump with Intermediate Heat Exchanger and oil smoke emission system structural map 2
Fig. 9 is indoor fresh air of the heat pump with Intermediate Heat Exchanger and oil smoke emission system structural map 3
Description of reference numerals:
1st, 2,9,10,11,12,15,16,17,33,34,44,45, air-valve, 3, air purifier, 4, pressure fan, 5, air draft Machine, 6, ajutage, 7, exhaust duct, 8, heat exchanger, 13,14, bypass pipe, 18, smoke exhaust ventilator, 19, air-conditioner, 20, circulating pump, 21st, drain tap, 22, air exhaust heat exchange device, 23, fresh air heat exchanger, 24,25, heat exchange coil, 26, expander, 27,38, condenser, 28th, 37, evaporator, 29, liquid down-comer, 30, vapor uptake, 31, valve, 32, kitchen range top warm-air pipe, 35, expansion throttling device, 36th, outdoor heat exchanger, 39, four-way reversing valve, 40, water heater, 41, compressor, 42,43, electric control valve, 46, intermediate heat transfer Device
Specific implementation method
Fig. 1 heat exchangers 8 are Integral heat-exchange devices, and it uses shell-tube type, board-like, plate-fin, integrated heat tube heat exchanger etc., The air inlet of air purifier 3 connects outdoor, and air outlet picks the import of blower fan 4, and pressure fan 4 exports the fresh air inlet for connecing heat exchanger 8, The fresh air outlet of heat exchanger 8 connects the air inlet of air-conditioner 19, and the air outlet of air-conditioner 19 connects indoor air supply duct;Smoke exhaust ventilator 18 Exhaust outlet connect the air draft entrance of heat exchanger 8, the wind exhausting outlet of heat exchanger 8 runs in the import of blower fan 7, and the outlet of exhaust blower 7 connects outdoor, Bypass pipe 13, air-valve 11,12 are housed on ajutage 6, equipped with bypass pipe 14, air-valve 9,10, short-circuit air-valve on exhaust duct 7 15th, toilet exhaust valve 16, oil smoke air-valve 17, air-conditioner 19 are that summer cooling freezes water, the surface cooler of Winter heat supply water or use Heat pump air conditioner.The operating condition of the system is as follows:
When cooking in winter, produce a large amount of oil smoke to need discharge, while interior needs to mend fresh air, open pressure fan 4 and row Blower fan 5, opens air-valve 1,9,12,17, closes air-valve 2,10,11,15,16.The flow of fresh air is:Outdoor fresh air → air-valve 1 → 12 → air-conditioner of air purifier 3 → pressure fan, 4 → heat exchanger, 8 → air-valve, 19 → indoor each room;The flow of air draft is:It is indoor Oil smoke → 9 → exhaust blower of smoke exhaust ventilator 18 → air-valve, 17 → heat exchanger, 8 → air-valve 5 → outdoor.It is high under the suction of exhaust blower 5 Warm oil smoke by smoke exhaust ventilator 18 filtration, purification, into heat exchanger 8 with low temperature outdoor fresh air heat exchange, remaining high temperature oil Cigarette cooling, condensation, by the row of exhaust blower 5 to outdoor after purification;Outdoor fresh air is blown first by the filtration, purification of air purifier 3 In the feeding heat exchanger 8 of machine 4, with high-temperature oil smoke heat exchange, each room is sent into after being heated.Because smoke exhaust ventilator 18 is without wind Machine, only carries oil fume purifier and control operation panel, and it is actually a collection hood.When there is toilet foul smell, beat Blown in valve 16, and foul smell and oil smoke are drained by exhaust duct 7 simultaneously, and a part of fresh air will fill into toilet, for eliminating foul smell.When When the heat energy that fresh air is reclaimed from oil smoke can not meet room heating thermic load, return air air-valve 2 is also opened, increase air-conditioner 19 Air output, improve thermic load;Or the heating-up temperature of raising air-conditioner 19, wind pushing temperature is accordingly improve, so as to improve Thermic load.Air-valve preferably uses motorized adjustment air-valve, can be with automatic shutter and regulation air quantity.
When not cooking in winter, interior needs ventilation, opens pressure fan 4, exhaust blower 5 and air-conditioner 19, opens wind Valve 1,9,12,17, closes air-valve 2,10,11,15,16.The flow of fresh air is:Outdoor fresh air → 1 → air purifier of air-valve 3 → 12 → air-conditioner of pressure fan 4 → heat exchanger, 8 → air-valve 19 → indoor each room;The flow of air draft is:Indoor exhaust air → smoke pumping 9 → exhaust blower of machine 18 → air-valve, 17 → heat exchanger, 8 → air-valve 5 → outdoor.Indoor exhaust air by smoke exhaust ventilator 18, in heat exchanger 8 In with low temperature outdoor fresh air heat exchange, to outdoor, fresh air is heated indoor exhaust air cooling row, then by the secondary of air-conditioner 19 plus Heat, sends into each room.When exhaust pipeline is long, short-circuit air-valve 15 can be opened, reduce exhaust resistance.When there is toilet foul smell When, open air-valve 16, close air-valve 17, indoor exhaust air is filled into toilet, after mix with toilet foul smell pass through exhaust duct 7, Heat exchanger 8, exhaust blower 5 are discharged to outdoor.When the heat energy that fresh air is reclaimed from indoor exhaust air can not meet room heating thermic load, Return air air-valve 2 is also opened, the air output of air-conditioner 19 is increased, thermic load is improved;Or the heating-up temperature of raising air-conditioner 19, Wind pushing temperature accordingly is improve, so as to improve thermic load.
Do not cook when winter, it is indoor only do return air circulation when not needing ventilation, maintain indoor heating temperature, open Pressure fan 4, air-conditioner 19, open air-valve 2,11, close air-valve 1,12.The flow of return air is:Indoor return air → 2 → air of air-valve 11 → air-conditioner of clarifier 3 → pressure fan, 4 → air-valve 19 → indoor each room.Air-conditioner 19 is heated to indoor return air.
When cooking summer, produce a large amount of oil smoke to need discharge, while interior needs to mend fresh air, open new blower fan 4, air draft Machine 5 and air-conditioner 19, close air-valve 2,9,12,15,16, open air-valve 1,10,11,17, and heat exchanger 8 does not work, because summer Heat energy need not be reclaimed.The flow of fresh air is:Outdoor fresh air → 4 → air-valve of air-valve 1 → air purifier, 3 → pressure fan 11 → sky Adjust device 19 → indoor each room;The flow of air draft is:Indoor oil smoke → 10 → exhaust blower of smoke exhaust ventilator 18 → air-valve, 17 → air-valve 5 → outdoor.Under the suction of exhaust blower 5, high-temperature oil smoke by smoke exhaust ventilator 18 filtration, purification, by bypass pipe 14, by row The row of blower fan 5 is to outdoor;Outdoor fresh air is first by the filtration, purification of air purifier 3, by pressure fan 4, bypass pipe 13, then by air-conditioning Device 19 after the treatment of outdoor fresh air cool-down dehumidification to being sent to each room.Outdoor fresh air and oil smoke do not enter back into heat exchanger 8, reduce system Resistance, bypass pipe 13,14 can also alternative, such simple system.When there is toilet foul smell, open air-valve 16, foul smell and Oil smoke is drained by exhaust duct 7 simultaneously, and a part of fresh air will fill into toilet, for eliminating foul smell.When fresh air refrigeration duty from When can not meet the air conditioning requirements in room, return air air-valve 2 is also opened, increase the air output of air-conditioner 19, improve refrigeration duty;Or Person reduces the cryogenic temperature of air-conditioner 19, wind pushing temperature is correspondingly reduced, so as to improve refrigeration duty.
When not cooking summer, interior needs ventilation, opens new blower fan 4, exhaust blower 5 and air-conditioner 19, opens wind Valve 1,9,12,17, closes air-valve 2,10,11,15,16.The flow of fresh air is:Outdoor fresh air → 1 → air purifier of air-valve 3 → 12 → air-conditioner of pressure fan 4 → heat exchanger, 8 → air-valve 19 → indoor each room;The flow of air draft is:Indoor exhaust air → smoke pumping 9 → exhaust blower of machine 18 → air-valve, 17 → heat exchanger, 8 → air-valve 5 → outdoor.Indoor low temperature waste gas is exchanging heat by smoke exhaust ventilator 18 With high temperature outdoor fresh air heat exchange in device 8, indoor exhaust air heats up row to outdoor, and fresh air is cooled, then lowers the temperature by air-conditioner 19 Each room is sent into after dehumidification treatments.When exhaust pipeline is long, short-circuit air-valve 15 can be opened, reduce exhaust resistance.When defending Between life during foul smell, air-valve 16 is opened, close air-valve 17, indoor exhaust air is filled into toilet, is passed through after mixing with toilet foul smell Exhaust duct 7, heat exchanger 8, exhaust blower 5 are discharged to outdoor.When the refrigeration duty of fresh air is from the air conditioning requirements that can not meet room, also Return air air-valve 2 is opened, the air output of air-conditioner 19 is increased, refrigeration duty is improved;Or the cryogenic temperature of reduction air-conditioner 19, accordingly Wind pushing temperature is reduced, so as to improve refrigeration duty.
Do not cook when summer, it is indoor only do return air circulation when not needing ventilation, maintain room conditioning temperature, open Pressure fan 4, air-conditioner 19, open air-valve 2,11, close air-valve 1,12.The flow of return air is:Indoor return air → 2 → air of air-valve 11 → air-conditioner of clarifier 3 → pressure fan, 4 → air-valve 19 → indoor each room.Air-conditioner 19 carries out cool-down dehumidification to indoor return air Each room is sent into after treatment.
In transition season, whether fresh air there is heat exchange with high-temperature oil smoke or indoor exhaust air, depending on the height of outdoor temperature It is low, it is not usually required to heat exchange, outdoor fresh air is sent directly into interior.The flow of fresh air is:Outdoor fresh air → air-valve 1 → 11 → air-conditioner of air purifier 3 → pressure fan, 4 → air-valve 19 → indoor each room;The flow of air draft is:Indoor exhaust air or height Warm oil smoke → 10 → exhaust blower of smoke exhaust ventilator 18 → air-valve, 17 → air-valve 5 → outdoor.
Heat exchanger is changed to split type heat exchanger in Fig. 2, and air exhaust passage is changed to air exhaust heat exchange device 22, and fresh air channel is changed to fresh air Heat exchanger 23, air exhaust heat exchange device 22 is provided separately with fresh air heat exchanger 23, and on exhaust duct 7, the inside fills air exhaust heat exchange device 22 There is heat exchange coil 24, on ajutage 6, the inside is equipped with heat exchange coil 25 to fresh air heat exchanger 23, and heat exchange coil 24,25 is heat transfer Body, circulating pump 20, heat exchange coil 24,25, liquid heat transfer medium constitute a circulation line, and the inside exchanges heat filled with antifreezing liquid Medium, such as:Ethylene glycol solution, the heat exchanger is referred to as separate type circulating pump heat exchanger, and expander 26 is housed on circulation line, For expanding with heat and contract with cold for system liquid heat transferring medium.Outdoor fresh air in fresh air heat exchanger 23 with the heat exchange of heat exchange coil 25, room Interior waste gas or high-temperature oil smoke in air exhaust heat exchange device 22 with the heat exchange of heat exchange coil 24, in the presence of circulating pump 20, heat exists Transmitted between two heat exchangers, winter, summer was using in low temperature chamber using indoor exhaust air or the energy heats fresh air of high-temperature oil smoke Waste gas cools down fresh air, so as to realize the recycling of heat energy.It is equipped with the air exhaust passage of air exhaust heat exchange device 22 and heat exchanger 8 and is let out Hydraulic fluid port 21, emits after high-temperature oil smoke, Water vapor condensation from this mouth.Due to using split type heat exchanger, ajutage 6 and exhaust duct 7 can space out, and flexible arrangement, be easily installed, but split type heat exchanger belongs to secondary indirect heat exchange, and efficiency is more straight than monoblock type Connect heat exchanger low.To reduce flowing resistance, the system can also be with bypass pipe 13,14 and bypass air-valve 10,11.
Heat exchanger is another split type heat exchanger in Fig. 3, and it employs separate heat pipe, and its condenser 27 is mounted in new In wind heat exchanger 23, in air exhaust heat exchange device 22, low-boiling point liquid working medium is in absorption chamber in evaporator 28 for its evaporator 28 The heat energy of waste gas or high-temperature oil smoke, becomes high-temperature gas, rises along vapor uptake 30, cold with outdoor into condenser 27 There is heat exchange in air, air is heated, and feeding is indoor, and the cooling of high-temperature steam working medium condenses into liquid, by liquid down-comer 29 are back in evaporator 28, complete a heat transfer cycle process.When that need not exchange heat, valve 31 can be closed or from bypass Duct ventilation.The circulation is motorless gravity circulation, and condenser 27 should be higher than that evaporator 28.In the outlet of fresh air heat exchanger 22 Kitchen range top warm-air pipe 32 is terminated with, the fresh air supply kitchen range top fuel combustion after heating, efficiency of combustion, same kitchen range top warm-air pipe is improved 32 can also be mounted in the system of Fig. 1,2,4,5,6,7,8,9.A return air air-valve 34 is set in the air inlet of air-conditioner 19, it can To reduce back wind resistance, but air-conditioner 19 must band pressure fan.
Heat exchanger is heat pump heat exchanger in Fig. 4, by compressor 41, four-way reversing valve 39, expansion throttling device 35, outdoor heat exchange The parts such as device 36, evaporator 37, condenser 38, water heater 40 constitute a heat pump, and it has the heat exchange work(of heat exchanger 8 Can, and the refrigeration with air-conditioner 19, heat-production functions, domestic hot-water can also be provided.Expansion throttling device 35 is using capillary, electricity Sub- expansion valve etc.;Outdoor heat exchanger 36, evaporator 37, condenser 38 use direct-expansion type coil pipe, outdoor heat exchanger 36 to be placed on outdoor, With outdoor air heat exchange, evaporator 37 is in the air exhaust heat exchange device 22, and indoor exhaust air or high-temperature oil smoke waste gas heat exchange are cold Condenser 38 is mounted in fresh air heat exchanger 23, with outdoor fresh air, indoor return air heat exchange, both outdoor heat exchanger 36, evaporator 37 It is connected in heat pump, both positions in pipeline can be exchanged, and water heater 40 is changed using helix tube, package, board-like etc. Hot device, mounted in the exhaust ports of compressor 41, running water is heated using high temperature refrigerant, and in the winter time, high temperature refrigerant is preferential Heating running water, or outdoor fresh air is preferentially heated, determined by user oneself.
When heat pump heats circulation, high temperature liquid refrigerant condenses heat release in condenser 38, in fresh air heat exchanger Outdoor cold air, indoor return air, low temperature liquid refrigerant evaporation endothermic in evaporator 37, in air exhaust heat exchange device 22 are heated in 23 The middle heat energy for absorbing indoor exhaust air or high-temperature oil smoke waste gas, but, when the heat energy of indoor exhaust air or high-temperature oil smoke waste gas can not expire During the demand of sufficient room conditioning thermic load, low temperature liquid refrigerant also needs to the evaporation endothermic in outdoor heat exchanger 36, Ran Houzai The double evaporation-cooling heat absorption into evaporator 37, the cyclic process of refrigerant is such:Compressor 41 → water heater, 40 → four-way 37 → four-way reversing valve of reversal valve 39 → condenser, 38 → expansion throttling device 35 → outdoor heat exchanger, 36 → evaporator 39 → compression Machine 41.
When heat pump kind of refrigeration cycle, four-way reversing valve 39 commutates, and condenser 38 is converted into evaporator, evaporator 37, Outdoor heat exchanger 36 is converted into condenser, and high temperature liquid refrigerant condenses heat release in evaporator 37, in air exhaust heat exchange device 22 Radiated in indoor exhaust air, low temperature liquid refrigerant evaporation endothermic in condenser 38 is new to outdoor in fresh air heat exchanger 23 Wind, indoor return air cool, but, when indoor exhaust air all can not take away condensation heat, remaining condensation heat is also needed to Discharged in outdoor heat exchanger 36, the cyclic process of refrigerant is such:41 → water heater of compressor, 40 → four-way reversing valve 39 39 → compressor of → evaporator 37 → outdoor heat exchanger, 36 → expansion throttling device 35 → condenser, 38 → four-way reversing valve 41.
Therefore above-mentioned heat pump has the heat exchange function of heat exchanger 8, and the refrigeration with air-conditioner 19, heat-production functions, Domestic hot-water can also be provided, heat exchanger and air-conditioner are combined into a system, various operating mode operation demands can be met.This is Uniting, it is split type to make, and outdoor heat exchanger 36, compressor 41 is placed on into outdoor, by air exhaust heat exchange device 22, fresh air heat exchanger 23rd, water heater 40 is placed on interior;Monoblock type can also be made, heat pump is integrated into one, during as integral formula, room External heat exchanger 36 will have heat dissipation channel.From unlike Fig. 1,2,3, pressure fan 4 is mounted in the rear end of system, air purifier 3 Air inlet is connected with outdoor fresh air valve 1, and air outlet connects the fresh air inlet of fresh air heat exchanger 23, the fresh air outlet of fresh air heat exchanger 23 The import of blower fan 4 is picked, the outlet of pressure fan 4 connects indoor air supply duct.
In Fig. 5, outdoor heat exchanger 36 is connected in parallel in heat pump with evaporator 37, while both are used as evaporator, or together When convert for condenser, distribute adjusting refrigerant flow rate by electric control valve 42,43, electric control valve 42,43 can also Change electric expansion valve into, it is also possible to replace expansion throttling device 35.
In Fig. 6, heat pump is completed by evaporator 37 completely without outdoor heat exchanger 36, the heat absorption or heat extraction of system, When the cooling and heating load of indoor exhaust air or oil flue waste gas can not meet system heat absorption or heat extraction demand, outdoor fresh air is filled into, be System obtains cooling and heating load from fresh air.In figure, short-circuit fresh air air-valve 45, the air-valve are housed in the air inlet of air exhaust heat exchange device 22 It is outdoor through connecting with most short road, or fresh air communicating pipe and air-valve 44 are housed between ajutage 6 and exhaust duct 7, draw from air-valve 1 Enter fresh air, so can introduce fresh air to evaporator 37 from two-way, under the operation of any operating mode, when indoor exhaust air or oil flue waste gas Cooling and heating load can not meet system heat absorption or during heat extraction demand, air-valve 44,45 can be opened, mended in air exhaust heat exchange device 22 Enter outdoor fresh air.
Fig. 7 is on the basis of Fig. 4, an Intermediate Heat Exchanger to be increased between air exhaust heat exchange device 22 and heat pump 46, it is liquid-refrigerant heat exchanger, heat exchange between liquid heat transfer medium and refrigerant, using helix tube type, shell-tube type, It is board-like to wait heat exchanger, circulating pump 20, heat exchange coil 24, Intermediate Heat Exchanger 46, liquid heat transfer medium to constitute a circulation line, The inside filled with antifreezing liquid heat transferring medium, such as:Ethylene glycol solution, heat exchange coil 24 and indoor used heat, oil smoke used heat heat exchange, By the circulation of circulating pump 20, Intermediate Heat Exchanger 46 is passed to, evaporator 37 is in Intermediate Heat Exchanger 46.When heat pump is heated During circulation, indoor exhaust air, the heat energy of oil flue waste gas are passed in Intermediate Heat Exchanger 46 by heat exchange coil 24, circulating pump 20, are steamed Refrigerant evaporation endothermic in hair device 37, meanwhile, refrigerant evaporation endothermic in outdoor heat exchanger 36, in absorption outdoor air Heat energy, refrigerant condenses heat release, heating outdoor fresh air, indoor return air in condenser 38;When heat pump kind of refrigeration cycle, steam Hair device 37, outdoor heat exchanger 36 are converted into condenser, and refrigerant condenses heat release wherein, and a part of condensation heat passes through outdoor heat exchange Device 36 is discharged to outdoor, and a part of condensation heat is discharged into Intermediate Heat Exchanger 46 by evaporator 37, then by circulating pump 20, heat exchange To indoor exhaust air, condenser 38 is converted into evaporator to the row of coil pipe 24, refrigerant evaporation endothermic wherein, to outdoor fresh air, interior Return air cool-down dehumidification.In Fig. 7, Intermediate Heat Exchanger 46 and evaporator 37 are connected in heat pump with outdoor heat exchanger 36, it Can be as in parallel in systems such as Fig. 5.
Fig. 8 Intermediate Heat Exchangers 46 and evaporator 37 are connected in parallel in heat pump with outdoor heat exchanger 36.
In Fig. 9, when heat pump is without outdoor heat exchanger 36, be increased between air exhaust heat exchange device 22 and heat pump One Intermediate Heat Exchanger 46, the heat exchange between air exhaust heat exchange device 22 and heat pump is realized by Intermediate Heat Exchanger 46.
In sum, using Integral heat-exchange device, simple structure, heat exchange efficiency is high, but airduct arrangement is inconvenient, using point Body formula heat exchanger, system complex, but pipe arrangement are flexible, and exhaust duct 5 preferably uses resistant to elevated temperatures metal tube, above-mentioned air-valve to adopt With motor-driven valve, it is easy to automatically control, using heat pump, heat exchanger and air-conditioner are closed in a heat pump, had concurrently Both functions, it is more practical.
The above, is only preferable implementing method of the invention, and any formal limitation is not done to the present invention. According to any simple modification, equivalent variation and modification that technical spirit of the invention is done to above implementing method, this is belonged to The protection domain of invention.

Claims (4)

1. indoor fresh air and oil smoke emission system include air purifier, pressure fan, exhaust blower, smoke exhaust ventilator, heat exchanger, air-conditioner Heat pump, ajutage, exhaust duct, it is characterised in that heat exchanger includes air exhaust heat exchange device, fresh air heat exchanger, exhaust blower, oil pumping On the exhaust duct, the exhaust outlet of smoke exhaust ventilator runs in the air draft entrance of wind heat exchanger, air exhaust heat exchange device for cigarette machine, air exhaust heat exchange device Wind exhausting outlet run in fan inlet, exhaust blower outlet connects outdoor, and toilet exhaust valve is housed on exhaust duct;Purification of air Device, pressure fan, fresh air heat exchanger, air-conditioner heat pump are mounted on ajutage, the air inlet and outdoor fresh air of air purifier Mouth connection, air outlet picks fan inlet, and pressure fan outlet connects the fresh air inlet of fresh air heat exchanger, and the fresh air of fresh air heat exchanger goes out Mouth picks the air inlet of blower fan, and the air outlet of pressure fan connects indoor air supply duct, and air returning valve is housed on air supply duct, and air is net Change combination of the device using filtration dust catcher or electrostatic precipitator or both;Pressure fan, exhaust blower use adjustable speed fan;Smoke pumping Machine is a collection hood, and it is without exhaust blower, band oil fume purifier;Heat pump includes compressor, water heater, four-way commutation Valve, expansion throttling device, outdoor heat exchanger, evaporator, condenser, evaporator are mounted in air exhaust heat exchange device, with indoor exhaust air, oil smoke Waste gas heat exchange, in fresh air heat exchanger, with outdoor fresh air, indoor return air heat exchange, outdoor heat exchanger is mounted in room to condenser Outward, with outdoor air heat exchange, evaporator is with outdoor heat exchanger serial or parallel connection in heat pump;Followed when heat pump is heated During ring, refrigerant evaporation endothermic in evaporator, outdoor heat exchanger, evaporator absorbs indoor exhaust air, oil in air exhaust heat exchange device The heat energy of smoke waste gas, outdoor heat exchanger absorbs heat from outdoor air, and refrigerant condenses heat release within the condenser, and condenser is in fresh air Outdoor fresh air, indoor return air are heated in heat exchanger;When heat pump kind of refrigeration cycle, evaporator, outdoor heat exchanger are converted into cold Condenser, refrigerant condenses heat release wherein, evaporator to heat extraction in indoor exhaust air, outdoor heat exchanger to heat extraction in outdoor air, Condenser is converted into evaporator, refrigerant evaporation endothermic wherein, and condenser is to outdoor fresh air, indoor return air cool-down dehumidification.
2. indoor fresh air according to claim 1 and oil smoke emission system, indoor fresh air and oil smoke emission system include that air is net Change device, pressure fan, exhaust blower, smoke exhaust ventilator, heat exchanger, heat pump, ajutage, exhaust duct, it is characterised in that air-conditioner is adopted When using heat pump, air-conditioner and heat exchanger are closed in heat pump, heat exchanger include air exhaust heat exchange device, fresh air heat exchanger, in Between heat exchanger, on the exhaust duct, the exhaust outlet of smoke exhaust ventilator runs in wind heat exchanger for exhaust blower, smoke exhaust ventilator, air exhaust heat exchange device Air draft entrance, the wind exhausting outlet of air exhaust heat exchange device runs in fan inlet, and exhaust blower outlet connects outdoor, equipped with defending on exhaust duct Exhaust valve between life;Air purifier, pressure fan, fresh air heat exchanger are mounted on ajutage, air inlet and the outdoor of air purifier Fresh wind port is connected, and air outlet connects the fresh air inlet of fresh air heat exchanger, and the air inlet of blower fan is picked in the fresh air outlet of fresh air heat exchanger, The air outlet of pressure fan connects indoor air supply duct, and air returning valve is housed on air supply duct;Air purifier uses filtering type dedusting The combination of device or electrostatic precipitator or both;Pressure fan, exhaust blower use adjustable speed fan;Smoke exhaust ventilator is a collection hood, it Without exhaust blower, band oil fume purifier;Heat pump includes compressor, water heater, four-way reversing valve, expansion throttling device, outdoor Heat exchanger, evaporator, condenser, condenser in fresh air heat exchanger, with outdoor fresh air, indoor return air heat exchange, change by outdoor Mounted in outdoor, with outdoor air heat exchange, evaporator, with liquid heat transfer medium heat exchange, is changed hot device in Intermediate Heat Exchanger Hot coil in the air exhaust heat exchange device, and indoor exhaust air, oil flue waste gas heat exchange, circulating pump, Intermediate Heat Exchanger, heat exchange coil, Liquid heat transfer medium constitutes a circulation line, realizes the conveying and transmission of heat energy, and evaporator is connected or simultaneously with outdoor heat exchanger It is associated in heat pump;When heat pump heats circulation, heat exchange coil absorbs indoor exhaust air, oil smoke in air exhaust heat exchange device and gives up Heat energy in gas, by circulating transfer to Intermediate Heat Exchanger in, evaporator refrigerant evaporation endothermic therein, in outdoor heat exchanger Refrigerant evaporation endothermic, absorbs the heat energy in outdoor air, and refrigerant condenses heat release within the condenser, and condenser heating is outdoor new Wind, indoor return air;When heat pump kind of refrigeration cycle, evaporator, outdoor heat exchanger are converted into condenser, and refrigerant is cold wherein Solidifying heat release, condensation heat is discharged into Intermediate Heat Exchanger by evaporator, by circulating transfer to heat exchange coil, in air exhaust heat exchange device to Indoor exhaust air heat extraction, to heat extraction in outdoor air, condenser is converted into evaporator to outdoor heat exchanger, and refrigerant evaporates suction wherein Heat, condenser is to outdoor fresh air, indoor return air cool-down dehumidification.
3. indoor fresh air according to claim 1 and oil smoke emission system, indoor fresh air and oil smoke emission system include that air is net Change device, pressure fan, exhaust blower, smoke exhaust ventilator, heat exchanger, heat pump, ajutage, exhaust duct, it is characterised in that air-conditioner is adopted When using heat pump, air-conditioner and heat exchanger are closed in heat pump, and heat exchanger includes air exhaust heat exchange device, fresh air heat exchanger, row On the exhaust duct, the exhaust outlet of smoke exhaust ventilator runs in the air draft entrance of wind heat exchanger for blower fan, smoke exhaust ventilator, air exhaust heat exchange device, The wind exhausting outlet of air exhaust heat exchange device runs in fan inlet, and exhaust blower outlet connects outdoor, and toilet exhaust valve is housed on exhaust duct; On ajutage, the air inlet of air purifier is connected with outdoor fresh air mouthful for air purifier, pressure fan, fresh air heat exchanger, Air outlet connects the fresh air inlet of fresh air heat exchanger, the air inlet of blower fan is picked in the fresh air outlet of fresh air heat exchanger, and pressure fan goes out Air port connects indoor air supply duct, and air returning valve is housed on air supply duct;Air purifier is removed using filtration dust catcher or electrostatic The combination of dirt device or both;Pressure fan, exhaust blower use adjustable speed fan;Smoke exhaust ventilator is a collection hood, it without exhaust blower, Band oil fume purifier;Heat pump includes compressor, water heater, four-way reversing valve, expansion throttling device, evaporator, condenser, The air inlet of air exhaust heat exchange device is equipped with short-circuit fresh air air-valve, or fresh air communicating pipe and wind are housed between ajutage and exhaust duct Valve, is that air exhaust heat exchange device fills into fresh air, and evaporator is warm with indoor exhaust air, oil flue waste gas, outdoor fresh air in air exhaust heat exchange device Exchange, condenser is mounted in fresh air heat exchanger, with outdoor fresh air, indoor return air heat exchange;When heat pump heats circulation, system Cryogen evaporation endothermic in evaporator, evaporator absorbs indoor exhaust air, oil flue waste gas, the heat of outdoor fresh air in air exhaust heat exchange device Can, refrigerant condenses heat release within the condenser, and condenser heats outdoor fresh air, indoor return air in fresh air heat exchanger;Work as heat pump When cooling system is circulated, evaporator is converted into condenser, and refrigerant condenses heat release wherein, and evaporator is to indoor exhaust air, outdoor Heat extraction in fresh air, condenser is converted into evaporator, refrigerant evaporation endothermic wherein, and condenser is to outdoor fresh air, indoor return air Cool-down dehumidification.
4. indoor fresh air according to claim 1 and oil smoke emission system, indoor fresh air and oil smoke emission system include that air is net Change device, pressure fan, exhaust blower, smoke exhaust ventilator, heat exchanger, heat pump, ajutage, exhaust duct, it is characterised in that air-conditioner is adopted When using heat pump, air-conditioner and heat exchanger are closed in heat pump, heat exchanger include air exhaust heat exchange device, fresh air heat exchanger, in Between heat exchanger, on the exhaust duct, the exhaust outlet of smoke exhaust ventilator runs in wind heat exchanger for exhaust blower, smoke exhaust ventilator, air exhaust heat exchange device Air draft entrance, the wind exhausting outlet of air exhaust heat exchange device runs in fan inlet, and exhaust blower outlet connects outdoor, equipped with defending on exhaust duct Exhaust valve between life;Air purifier, pressure fan, fresh air heat exchanger are mounted on ajutage, air inlet and the outdoor of air purifier Fresh wind port is connected, and air outlet connects the fresh air inlet of fresh air heat exchanger, and the air inlet of blower fan is picked in the fresh air outlet of fresh air heat exchanger, The air outlet of pressure fan connects indoor air supply duct, and air returning valve is housed on air supply duct;Air purifier uses filtering type dedusting The combination of device or electrostatic precipitator or both;Pressure fan, exhaust blower use adjustable speed fan;Smoke exhaust ventilator is a collection hood, it Without exhaust blower, band oil fume purifier;Heat pump includes compressor, water heater, four-way reversing valve, expansion throttling device, evaporation Device, condenser, in fresh air heat exchanger, with outdoor fresh air, indoor return air heat exchange, evaporator is mounted in intermediate heat transfer to condenser In device, and liquid heat transfer medium heat exchange is equipped with short-circuit fresh air air-valve in the air inlet of air exhaust heat exchange device, or ajutage with Fresh air communicating pipe and air-valve are housed between exhaust duct, are that air exhaust heat exchange device fills into fresh air, heat exchange coil is mounted in air exhaust heat exchange device, With indoor exhaust air, oil flue waste gas, outdoor fresh air heat exchange, circulating pump, Intermediate Heat Exchanger, heat exchange coil, liquid heat transfer medium group Into a circulation line, the conveying and transmission of heat energy are realized, when heat pump heats circulation, heat exchange coil is in air exhaust heat exchange device It is middle to absorb indoor exhaust air, oil flue waste gas, the heat energy in outdoor fresh air, by circulating transfer to Intermediate Heat Exchanger in, steaming therein Hair device refrigerant evaporation endothermic, refrigerant condenses heat release within the condenser, condenser heated in fresh air heat exchanger outdoor fresh air, Indoor return air;When heat pump kind of refrigeration cycle, evaporator is converted into condenser, and refrigerant condenses heat release, evaporator wherein Condensation heat is discharged into Intermediate Heat Exchanger, by circulating transfer to heat exchange coil, to indoor exhaust air, outdoor in air exhaust heat exchange device Fresh air heat extraction, condenser is converted into evaporator, and refrigerant evaporation endothermic wherein, condenser drops to outdoor fresh air, indoor return air Temperature dehumidifying.
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