CN102698297B - High-enthalpy heat island lead large on-way temperature difference and small heat transmission temperature difference back heating type air disinfector - Google Patents
High-enthalpy heat island lead large on-way temperature difference and small heat transmission temperature difference back heating type air disinfector Download PDFInfo
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Abstract
The invention relates to a high-enthalpy heat island lead large on-way temperature difference and small heat transmission temperature difference back heating type air disinfector which comprises a high-enthalpy heat island and at least one atmospheric heat exchanger, wherein the atmospheric heat exchanger is connected with the high-enthalpy heat island, the outer end head of the atmospheric heat exchanger comprises an air inlet and an air outlet, the inner end head of the atmospheric heat exchanger comprises a low-temperature side air outlet and a high-temperature side air inlet, the air inlet at the outer end head is communicated with the low-temperature side air outlet of the atmospheric heat exchanger, the air outlet at the outer end head is communicated with the high-temperature side air inlet of the atmospheric heat exchanger, and the high-enthalpy heat island is positioned between the low-temperature side air outlet and the high-temperature side air inlet of the atmospheric heat exchanger. According to the invention, the high-enthalpy heat island lead is adopted, large on-way temperature difference and small heat transmission temperature difference are built inside the atmospheric heat exchanger, high-temperature air heat quantity after disinfection can be recycled, and the technical problems of incomplete disinfection, medicine residue, toxic and side effects and the like in conventional air disinfecting technology can be solved.
Description
Technical field
The present invention relates to a kind of air disinfector, particularly a kind of high enthalpy heat island guiding greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature.
Background technology
Our indoor air environment, is subject to the inhalable particles in factory chimney, vehicle exhaust, as dust, smog etc.; The cause of disease that is subject to being infected with on particle, as antibacterial, virus etc.; Be subject to the rear volatile gaseous pollutant of house decoration finishing, as radon, formaldehyde, benzene series material etc.; Be subject to being derived from the abnormal flavour of life, the role and influence of the spittle, article musty, waste odours etc. during as people self metabolism, speech; Below also can be generically and collectively referred to as air pollution, reducing or getting rid of this air-polluting mode is air sterillization.At present, the main stream approach of air sterillization has two large classes, the method for physics as Burdick lamp irradiate and chemical method as ozonization.Disinfection of indoor air, mainly take at present following method:
1, Burdick lamp irradiates
Can be fixed irradiation, also can portablely irradiate the indoor 1 ~ 1.5W/m that presses
3burdick lamp power calculation, irradiate 30 ~ 60 minutes, have certain Disinfection Effect.Its shortcoming is that ultraviolet radiation has certain injury to people's eyes, skin; Ultraviolet sterilization has obvious directivity, ultraviolet radiation less than dead angle, or the object back of Burdick lamp dorsad, sterilizing function cannot be realized.
2, ozonization
Ozone has certain disinfective action to Indoor Air Microorganisms, easy to use.Its shortcoming is that ozone has corrosiveness to metal and rubber; When ozone degradation is incomplete, when in air, ozone concentration is higher, be again a kind of environmental pollution, in the time of kill bacteria, also human body cell is formed to damage.By the ozoniferous equipment of photocopier, printer etc. possibility, all should note ventilating, prevent the too high poisonous effect causing of ozone concentration.
3, photocatalyst antiseptic
Titanium dioxide is a kind of photocatalyst, produces positive and negative electronics after seeing light.Positron and airborne water molecules produce the hydroxyl free radical with oxidative decomposition capacity, and negatron is combined into active oxygen with airborne oxygen.Hydroxyl free radical and active oxygen all have certain sterilizing ability, can also remove indoor bacterioneuston simultaneously.Its shortcoming is, titanium dioxide only could generation effect under ultraviolet irradiation, and ultraviolet has certain injury effect to human body.
In sum, in existing disinfection of indoor air technology, exist sterilization not thoroughly, have problems such as drug residue, toxic side effect.
Summary of the invention
The object of the present invention is to provide a kind of high enthalpy heat island guiding greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, with solve the sterilization that exists in existing disinfection of indoor air technology not thoroughly, have technical problems such as drug residue, toxic side effect.
In order to address the above problem, the invention provides a kind of high enthalpy heat island guiding greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, comprise high enthalpy heat island and an at least one air heat exchanger, described air heat exchanger is connected with described high enthalpy heat island, the external end head of described air heat exchanger comprises air inlet and air outlet, the inner termination of described air heat exchanger comprises low temperature side air outlet slit and high temperature side air intlet, described external end head air inlet is communicated with the low temperature side air outlet slit of described air heat exchanger, described external end head air outlet is communicated with the high temperature side air intlet of described air heat exchanger, described high enthalpy heat island is between the low temperature side air outlet slit and high temperature side air intlet of described air heat exchanger, indoor cold air enters air heat exchanger from described external end head air inlet, from the heat absorption of high temperature side air, heat up, and flow in high enthalpy heat island and carry out further heat temperature raising from the low temperature side air outlet slit of described air heat exchanger, high temperature air after the further heat temperature raising of described high enthalpy heat island flows into described air heat exchanger again from described air heat exchanger high temperature side air intlet, and carries out heat exchange with the cold air entering from air inlet, finally from described air outlet, flows out.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, comprise high enthalpy heat island and an air heat exchanger, the spiral expansion centered by described high enthalpy heat island of described air heat exchanger.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, indoor cold air is about 20 ℃ from the air inlet of air heat exchanger, when arriving the low temperature side air outlet slit of air heat exchanger, due to hot-air channel in hot-air carry out heat exchange, the temperature of cold air can reach and be about 300 ℃, " cold " air that is about 300 ℃ heats through too high enthalpy heat island, temperature can reach and be about 320 ℃, air after too high enthalpy heat island heating just becomes described " hot-air ", hot-air enters the hot-air channel of air heat exchanger from the high temperature side air intlet of air heat exchanger 2, cold air in hot-air and cold air channel carries out heat exchange, the temperature that the last air outlet from air heat exchanger flows out is about 30 ℃.Because air heat exchanger is spiral expansion laterally centered by high enthalpy heat island, very large along the temperature difference of helix, reach 280 ℃ of left and right, be referred to as " greatly along the journey temperature difference "; And cold and hot air is large along carrying out heat exchange in the air heat exchanger 2 of journey, the heat transfer temperature difference of two kinds of air of " heat ", " cold " in vertical air heat exchanger partition direction is very little, only has 10～20 ℃, is referred to as " little heat transfer temperature difference ".
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, described high enthalpy heat island comprises some finned alloy electrothermal plates, some finned alloy electrothermal plates form a finned alloy electrothermal plate group, described finned alloy electrothermal plate comprises an alloying metal body, described metallic object inside is provided with electrothermal tube, on two surfaces, front and back of described metallic object, be provided with high rib fin, between the fin of two adjacent finned alloy electrothermal plates, form some rhombus air ducts.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, described rhombus air duct is Vertical Channel, horizontal channel or S type passage.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, the outside of described high enthalpy heat island also arranges a lagging casing, on this lagging casing, be provided with wind direction and switch bag, this wind direction switching comprises Cryogenic air passage and high temperature air passage, described Cryogenic air passage and high temperature air passage separate, described Cryogenic air passage is communicated with the low temperature side air outlet slit of described air heat exchanger, described high temperature air passage is communicated with the high temperature side air intlet of described air heat exchanger, described Cryogenic air passage is communicated with the bottom of described high enthalpy heat island, described high temperature air passage is communicated with the upper end of described high enthalpy heat island.By the cold air of air heat exchanger preheating, from described low temperature side air outlet slit, flowed into described Cryogenic air passage, and from the bottom of described high enthalpy heat island, enter rhombus air duct and further heat, high temperature air after heating enters described high temperature air passage from the upper end of high enthalpy heat island, and enters into described air heat exchanger high temperature side air intlet from high temperature air passage.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, described air heat exchanger is plate-fin heat exchanger or spiral-plate heat exchanger.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, described air heat exchanger comprises the plate-fin heat exchanger of some series connection, between two adjacent plate-fin heat exchangers, by bend pipe, is communicated with.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, described plate-fin heat exchanger comprises a housing by the first side shell, the second side shell, upper casing and the formed both ends open of lower casing, described housing middle part arranges a gusset, described this gusset is divided into a hot-air channel and a cold air channel by described housing, described hot-air channel does not communicate with described cold air channel, and the both sides of described gusset all arrange some heat exchange fins.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, also comprise a centrifugal blower, described centrifugal blower is connected with the air inlet of described air heat exchanger external end head.
According to the high enthalpy heat island guiding described in the application's preferred embodiment greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, also comprise a defecator, described defecator is arranged on the air inlet place of described air heat exchanger external end head.
Compared with prior art, there is following technique effect in the present invention:
The invention provides a kind of high enthalpy heat island guiding greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, adopt high enthalpy heat island guiding, in air heat exchanger, set up greatly along the journey heat transfer temperature difference that has a narrow range of temperature, heat to the high temperature air after sterilization is recycled, have and sterilize thoroughly and such two very important features that have no side effect, solved the sterilization existing in existing disinfection of indoor air technology not thorough, there is drug residue, the technical problems such as toxic side effect, various physics, chemistry, the method of high-efficiency broad spectrum the most in biological sterilization method, specific as follows:
The first, high-efficiency broad spectrum
The present invention, by air being carried out to preheating and heating, makes air reach 300 ℃ of above high temperature.High temperature air by modes such as conduction of heat, heat radiation, acts on airborne microorganism, antibacterial, virus again under aerobic anhydrous condition, makes its protein oxidation, degeneration, carbonization and electrolyte concentrated, thus killing microorganisms, antibacterial, virus.The present invention thoroughly solved the sterilization that exists in existing disinfection of indoor air technology not thoroughly, have the technical problems such as drug residue, toxic side effect, be the method for high-efficiency broad spectrum the most in various physics, chemistry, biological sterilization method.Can be widely used in the indoor places such as office, meeting room, large-scale auditorium, cinema, hospital ward, waiting room, terminal, dining room, family room.
The second, heat recycles
Under the comfortable hot environment of existing bright egg, easily high temperature air passage is communicated with the upper end of described high enthalpy heat island, and it is large that plate-fin heat exchanger has heat transfer area, and heat transfer coefficient is high, the advantage that heat transfer temperature difference is little.The present invention adopts plate-fin heat exchanger, to flowing out the high temperature air of high enthalpy heat island, carries out heat exchange with the Cryogenic air that flows to high enthalpy heat island, carries out " backheat ", realizes heat and recycles.
Three, reduce the heat deformation of single heat exchanger
The series connection of many plate-fin heat exchangers, both expanded total along the journey temperature difference, reduce again single heat exchanger along the journey temperature difference, thereby reduce the heat deformation of single heat exchanger.
Four, high enthalpy heat island has " three-hypers one is large " (being high thermal conductivity coefficient, high specific heat capacity, elevated operating temperature, large quality) feature and high guidance capability
Five, air heat exchanger is disposed in order along spiral laterally centered by high enthalpy heat island
Plate-fin heat exchanger system, centered by high enthalpy heat island, spiral expansion from inside to outside, the operating temperature of whole device is low inside and high outside, has both improved the usage factor of heat, has reduced again thermo-lag cost, has improved the safety of system.
Six, eliminated hot wet soiling
Tradition thermal disinfection, need to carry out heat temperature raising by article to be sterilized or medium, and this just needs lot of energy.After sterilization operation finishes, the thermal release that also article to be sterilized or medium will be absorbed, to atmospheric environment, causes hot wet soiling to environment.The present invention adopts plate-fin heat exchanger to carry out recycling to the heat of high temperature air, has eliminated the hot wet soiling of sterilization operation to environment.
Accompanying drawing explanation
Fig. 1 be a kind of high enthalpy heat island guiding of the present invention greatly along the have a narrow range of temperature structural representation of heat transfer temperature difference backheating type air disinfector of journey;
Fig. 2 is the structural representation of the high enthalpy heat island of the present invention;
Fig. 3 A and Fig. 3 B are the structural representation that wind direction of the present invention switches bag;
Fig. 4 is the structural representation of plate-fin heat exchanger of the present invention.
The specific embodiment
The invention provides a kind of high enthalpy heat island guiding greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, comprise high enthalpy heat island and an at least one air heat exchanger, air heat exchanger is connected with high enthalpy heat island, the external end head of air heat exchanger comprises air inlet and air outlet, the inner termination of air heat exchanger comprises low temperature side air outlet slit and high temperature side air intlet, air inlet is communicated with the low temperature side air outlet slit of air heat exchanger, air outlet is communicated with the high temperature side air intlet of air heat exchanger, high enthalpy heat island is between the low temperature side air outlet slit and high temperature side air intlet of air heat exchanger, indoor cold air enters air heat exchanger from air inlet, and flow in high enthalpy heat island and heat from the low temperature side air outlet slit of air heat exchanger, hot-air after high enthalpy heat island heating flows into air heat exchanger again from high temperature side air intlet, and carries out heat exchange with the cold air entering from air inlet, finally from air outlet, flows out the air that obtains thorough disinfection and have no side effect.
The present invention does not limit the number of air heat exchanger and shape, can adopt an air heat exchanger spiral to be deployed in around high enthalpy heat island, and this kind of mode only needs an air inlet and an air outlet; The mode that also can adopt a plurality of air heat exchangers to be separately positioned on a side of high enthalpy heat island is surrounded high enthalpy heat island, and this kind of mode needs a plurality of air inlets and air outlet, and above-mentioned two kinds of modes all can reach air thorough disinfection, the effect that has no side effect.Below in conjunction with accompanying drawing, the air heat exchanger of take is example, is described in detail.
Please refer to Fig. 1, a kind of high enthalpy heat island guiding greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, comprise a high enthalpy heat island 1, one air heat exchanger 2, air heat exchanger 2 spiral expansion centered by high enthalpy heat island 1, the external end head of air heat exchanger 2 comprises air inlet 21 and air outlet 22, the inner termination of air heat exchanger 2 comprises low temperature side air outlet slit and high temperature side air intlet, air inlet 21 is communicated with the low temperature side air outlet slit of air heat exchanger 2, air outlet 22 is communicated with the high temperature side air intlet of air heat exchanger 2, high enthalpy heat island 1 is between the low temperature side air outlet slit and high temperature side air intlet of air heat exchanger 2, indoor cold air enters air heat exchanger 2 from air inlet 21, and flow in high enthalpy heat island 1 and heat from the low temperature side air outlet slit of air heat exchanger 2, hot-air after high enthalpy heat island 1 heating flows into air heat exchanger 2 again from high temperature side air intlet, and carries out heat exchange with the cold air entering from air inlet 21, finally from air outlet 22, flows out the air that obtains thorough disinfection and have no side effect.
In the present invention, can provide power for Air Flow by blower fan or other machines, the present invention does not limit this, in the present embodiment, adopt centrifugal blower 3 for Air Flow provides power, centrifugal blower 3 is arranged on air heat exchanger 2 external end heads, and is connected with the air inlet 21 of air heat exchanger 2.In the present invention, air inlet 21 places of air heat exchanger 2 external end heads also arrange a defecator, and this defecator plays the effect of filtered air.In the present embodiment, defecator adopts three layer filtration web plate, and ground floor screen pack adopts prefiltering net, can filtering hair, the larger particles such as pet hair; Second layer screen pack adopts high-performance composite filter net, can effectively remove tiny dust and flue gas; Three layer filtration web plate adopts active carbon filter net, can effectively remove abnormal flavour.When centrifugal blower 21 is sent indoor air into the air inlet 21 of air heat exchanger 2, room air filters through the defecator at air inlet 21 places, then enters air heat exchanger 2 and carries out disinfection.
In the present invention, in order to make to be sent to indoor farther place from air outlet 22 pure air after sterilization out, in the pipeline being connected with air outlet 21, also can separately establish a blower fan, as centrifugal blower, by centrifugal blower, the pure air after sterilization can be sent to indoor far-end.The present invention does not do concrete restriction to this.
Please refer to Fig. 2, in the present invention, by having, " three-hypers one is large " is high thermal conductivity coefficient, high specific heat capacity, elevated operating temperature to high enthalpy heat island 1, the finned electric hot plate group 12 of quality is formed greatly, finned electric hot plate group 12 comprises some finned electric hot plates 121, each finned electric hot plate 121 comprises a metallic object, metallic object inside is provided with electrothermal tube, on two surfaces, front and back of metallic object, be provided with high rib fin 1211, between the high rib fin 1211 of two adjacent finned electric hot plates 121, form some rhombus air ducts 122.The present invention does not limit the number of finned electric hot plate 121, therefore, the number of rhombus air duct 122 is not limited yet.In the present invention, rhombus air duct 122 is Vertical Channel, horizontal channel or S type passage, or the passage of other shapes, and the present invention does not limit.In the present embodiment, rhombus air duct 122 is Vertical Channel, the present invention is when running, the direction of rhombus air duct 122 is from bottom to top, be that cold air flows into from the bottom of finned electric hot plate group 12, and the heating while flowing in rhombus air duct 122, finally from the upper end of finned electric hot plate group 12, flow out.
Outside at high enthalpy heat island 1, one lagging casing 11 is also set, one wind direction is set on this lagging casing 11 and switches bag 13, this wind direction switches bag 13 and comprises Cryogenic air passage 131 and high temperature air passage 132, Cryogenic air passage 131 and high temperature air passage 132 separate, Cryogenic air passage 131 is communicated with the low temperature side air outlet slit of air heat exchanger 2, high temperature air passage 132 is communicated with the high temperature side air intlet of air heat exchanger 2, Cryogenic air passage 131 is communicated with the bottom of high enthalpy heat island 1, high temperature air passage 132 is communicated with the upper end of high enthalpy heat island 1, cold air flows into Cryogenic air passage 131 from low temperature side air outlet slit, and move downward along Cryogenic air passage 131, from the bottom of high enthalpy heat island 1, entering rhombus air duct 122 heats, hot-air after heating enters high temperature air passage 132 from the upper end of high enthalpy heat island 1, and enter into high temperature side air intlet from high temperature air passage 132.
Please refer to Fig. 3 A and Fig. 3 B, in the present embodiment, Cryogenic air passage 131 and high temperature air passage 132 are L-type:
Cryogenic air passage 131 comprises a plane Cryogenic air passage and an arc Cryogenic air passage, and arc Cryogenic air channel connection is in the lower end of plane Cryogenic air passage.One interior air inlet 1312 is set on arc Cryogenic air passage, in this, air inlet 1312 is positioned at the below of finned electric hot plate group 12, a wherein side of plane Cryogenic air passage is opening, this opening is external air inlet mouth 1311, and external air inlet mouth 1311 is communicated with the low temperature side air outlet slit of air heat exchanger 2.From low temperature side air outlet slit Cryogenic air out from external air inlet mouth 1311, enter into plane Cryogenic air passage, and move downward and enter arc Cryogenic air passage along plane Cryogenic air passage, and the diamond passages that enters into finned electric hot plate group 12 from interior air inlet 1312 heats;
High temperature air passage 132 comprises an arc high temperature air passage and a plane high temperature air passage, and arc high temperature air channel connection is in the upper end of plane high temperature air passage.One interior air outlet 1321 is set on arc high temperature air passage, in this, air outlet 1321 is positioned at the top of finned electric hot plate group 12, a wherein side of plane high temperature air passage is opening, this opening is outer air outlet 1322, and outer air outlet 1322 is communicated with the high temperature side air intlet of air heat exchanger 2.Hot-air the diamond passages that enters into finned electric hot plate group 12 from Cryogenic air passage 131 heats, from the interior air outlet 1321 of finned electric hot plate group 12 tops, enter arc high temperature air passage, then flow into plane high temperature air passage, then air outlet 1322 flow into the high temperature side air intlet of air heat exchanger 2 and then enters into air heat exchanger 2 from plane high temperature air passage.
Please refer to Fig. 4, in the present embodiment, air heat exchanger 2 comprises the plate-fin heat exchanger 23 of some series connection, plate-fin heat exchanger 23 comprises a housing by the first side shell 231, the second side shell 233, upper casing 232 and lower casing 236 formed both ends opens, and adjacent plate-fin heat exchanger 23 is communicated with by bend pipe at opening part.Housing middle part arranges a gusset 235, and this gusset 235 is divided into a hot-air channel and a cold air channel by housing, and hot-air channel does not communicate with cold air channel, and the both sides of gusset 235 all arrange some heat exchange fins 234.In the present embodiment, in bend pipe, also comprise two passages in left and right, and bend pipe internal channel is consistent with the cold and hot air duct in plate-fin heat exchanger 23, there is no heat exchange fin 234 in bend pipe.The both sides of heat exchange fin 234 in each passage, cold and hot two kinds of air dielectrics circulate.Both sides air fluid is the heat exchange of adverse current partition.The forms such as that conventional heat exchange fin 234 has is straight, porous, sawtooth and ripple.The major advantage of plate-fin heat exchanger 23 is: one, usefulness is high; Because of the disturbance of heat exchange fin 234 convection cells, the boundary region that forms thermal resistance is constantly updated, heat transfer coefficient is generally 3 times of shell-and-tube heat exchanger; And under the little temperature difference (1.5～2 ℃), heat (cold) amount recovering effect is good.During for the heat exchange of gas-gas, effect is best.Two, compactness; Because most of heat is to transmit by flat board through heat exchange fin 234, the heat transfer area of FU volume can reach 1500 ㎡/m
3.Three, lightweight; When heat transfer area is identical, weight is bordering on 1/5 of shell-and-tube heat exchanger.Four, firm; Because plate Shu Weiyi single piece and heat exchange fin 234 play supporting role between two flat boards, therefore can bear certain operating pressure.
In the present invention, air mobile in the cold air channel of air heat exchanger 2 is called cold air, and air mobile in hot-air channel is called hot-air, but cold air and hot-air carry out heat exchange in the interior meeting of air heat exchanger 2, therefore, the temperature of cold air and hot-air is constantly to change." cold air " and " hot-air ", be a relative saying.Such as, indoor cold air is about 20 ℃ from the air inlet 21 of air heat exchanger 2, when arriving the low temperature side air outlet slit of air heat exchanger, due to hot-air channel in hot-air carry out heat exchange, the temperature of cold air can reach and be about 300 ℃, " cold " air that is about 300 ℃ heats through the finned electric hot plate group 12 of too high enthalpy heat island 1, temperature can reach and be about 320 ℃, air after too high enthalpy heat island 1 heating just becomes described " hot-air ", hot-air enters the hot-air channel of air heat exchanger 2 from the high temperature side air intlet of air heat exchanger 2, cold air in hot-air and cold air channel carries out heat exchange, the last temperature flowing out from the air outlet 22 of air heat exchanger 2 is about 30 ℃.Because air heat exchanger 2 is spiral expansion laterally centered by high enthalpy heat island 1, very large along the temperature difference of helix, reach 280 ℃ of left and right, be referred to as " greatly along the journey temperature difference "; And cold and hot air is large along carrying out heat exchange in the air heat exchanger 2 of journey, the heat transfer temperature difference of two kinds of air of " heat ", " cold " in vertical air heat exchanger 2 partition directions is very little, only has 10～20 ℃, is referred to as " little heat transfer temperature difference ".
In the present invention, high enthalpy heat island 1 has " three-hypers one is large " (being high thermal conductivity coefficient, high specific heat capacity, elevated operating temperature, large quality) feature, after high enthalpy heat island 1 heats up, amount of stored heat is huge, thermal inertia is very large, can in air heat exchanger 2, guide fast, set up and form stable space temperature field, set up greatly along the have a narrow range of temperature backheat pattern of heat transfer temperature difference of journey.
In whole system from cold conditions initial start stage, system is through the operation of 4 steps, at high enthalpy heat island, lead the lower stable backheat state that enters fast: 1. small-power accumulation of heat: high enthalpy heat island carries out accumulation of heat, makes to have high thermal conductivity coefficient, the finned electric hot plate group of high specific heat capacity, elevated operating temperature, large quality enters high temperature (for example 500 ℃) state.2. ventilate: after accumulation of heat completes, high pressure positive blower in low temperature side air intlet starts operation, Cryogenic air outside intake system also promotes the low temperature side passage that Cryogenic air flows through heat exchanger, then flow through the high temperature side passage of high enthalpy heat island and air heat exchanger, is finally discharged into atmospheric environment; 3. high strength heat exchange: the Cryogenic air outside blower fan intake system, and promote the finned electric hot plate group of high temperature that Cryogenic air flows through high enthalpy heat island, from the fin heat absorption of electric hot plate, also significantly heat up and become high temperature air; The high temperature air heating up from the fin heat absorption of electric hot plate, then flow into the high temperature side passage of air heat exchanger, and by heat by plate type heat exchanger, exchange continues the Cryogenic air sucking to system, realize " backheat ".4. enter stable state: the low temperature side air also significantly being heated up by " backheat " heating, enter high enthalpy heat island, more slightly heated by finned electric hot plate group, then flow into the high temperature side passage of air heat exchanger, and heat is passed through to plate type heat exchanger, exchange continues the Cryogenic air sucking to system.
Because quality is large, specific heat capacity is large, heat conductivity is high, operating temperature is high, the thermal inertia of high enthalpy heat island is much larger than the thermal inertia of the air holding in plate-fin heat exchanger, and heat-transfer intensity is high, can in air heat exchanger, guide fast, set up and form stable space temperature field, set up greatly along the have a narrow range of temperature backheat pattern of heat transfer temperature difference of journey, make system lead the lower stable state that enters fast at high enthalpy heat island.
By the guiding of high enthalpy heat island greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, enter after stable duty, the finned electric hot plate group 12 of high enthalpy heat island 1 continues to convert electrical energy into heat energy, to the backheating type heat exchanger forming by plate-fin heat exchanger 23 and from high temperature side absorption of air " backheat " and the air inlet that significantly heats up, then carry out " heating again "; Air reaches more than 300 ℃ after further heating up, and completes sterilization; The high temperature air completing after sterilization flows into air heat exchanger 2 high temperature side air intlets again, by air heat exchanger 2, transfers heat to low temperature air inlet; High temperature air after cooling, flows out air heat exchanger 2, enters indoor.
The present invention adopts high-performance heat exchanger, to flowing out the high temperature air of high enthalpy heat island, carries out heat exchange with the Cryogenic air that flows to high enthalpy heat island, carries out " backheat ", and heat is recycled.Meanwhile, be discharged into the air after the sterilization of indoor environment, temperature, a little more than ambient temperature, has been eliminated the hot wet soiling of thermal disinfection to environment.
Disclosed is above only the application's a specific embodiment, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection domain.
Claims (9)
1. the guiding of one kind high enthalpy heat island greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, comprise high enthalpy heat island and an at least one air heat exchanger, described air heat exchanger is connected with described high enthalpy heat island, the external end head of described air heat exchanger comprises air inlet and air outlet, the inner termination of described air heat exchanger comprises low temperature side air outlet slit and high temperature side air intlet, described external end head air inlet is communicated with the low temperature side air outlet slit of described air heat exchanger, described external end head air outlet is communicated with the high temperature side air intlet of described air heat exchanger, described high enthalpy heat island is between the low temperature side air outlet slit and high temperature side air intlet of described air heat exchanger, indoor cold air enters air heat exchanger from described external end head air inlet, from the heat absorption of high temperature side air, heat up, and flow in high enthalpy heat island and carry out further heat temperature raising from the low temperature side air outlet slit of described air heat exchanger, high temperature air after the further heat temperature raising of described high enthalpy heat island flows into described air heat exchanger again from described air heat exchanger high temperature side air intlet, and carries out heat exchange with the cold air entering from air inlet, finally from described external end head air outlet, flows out,
Wherein, described high enthalpy heat island comprises some finned alloy electrothermal plates, some finned alloy electrothermal plates form a finned alloy electrothermal plate group, described finned alloy electrothermal plate comprises a metallic object, described metallic object inside is provided with electrothermal tube, on two surfaces, front and back of described metallic object, be provided with high rib fin, between the fin of two adjacent finned electric hot plates, form some rhombus air ducts.
High enthalpy heat island guiding as claimed in claim 1 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, comprise high enthalpy heat island and an air heat exchanger, the spiral expansion centered by described high enthalpy heat island of described air heat exchanger.
High enthalpy heat island guiding as claimed in claim 2 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, the rhombus air duct of high enthalpy heat island is Vertical Channel, horizontal channel or S type passage.
4. high enthalpy heat island guiding as claimed in claim 3 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, the outside of described high enthalpy heat island also arranges a lagging casing, on this lagging casing, be provided with wind direction and switch bag, this wind direction switching comprises Cryogenic air passage and high temperature air passage, described Cryogenic air passage and high temperature air passage separate, described Cryogenic air passage is communicated with the low temperature side air outlet slit of described air heat exchanger, described high temperature air passage is communicated with the high temperature side air intlet of described air heat exchanger, described Cryogenic air passage is communicated with the bottom of described high enthalpy heat island, described high temperature air passage is communicated with the upper end of described high enthalpy heat island, by the cold air of air heat exchanger preheating, from described air heat exchanger low temperature side air outlet slit, flowed into described Cryogenic air interface channel, and from the bottom of described high enthalpy heat island, enter rhombus air duct and heat, hot-air after heating enters described high temperature air passage from the upper end of high enthalpy heat island, and enter into described air heat exchanger high temperature side air intlet from high temperature air passage.
High enthalpy heat island guiding as claimed in claim 1 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, described air heat exchanger is plate-fin heat exchanger or spiral-plate heat exchanger.
6. high enthalpy heat island guiding as claimed in claim 5 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, described air heat exchanger comprises the plate-fin heat exchanger of some series connection, between the adjacent plate-fin heat exchanger in two front and back, by bend pipe, is communicated with.
7. high enthalpy heat island guiding as claimed in claim 6 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, described plate-fin heat exchanger comprises a housing by the first side shell, the second side shell, upper casing and the formed both ends open of lower casing, described housing middle part arranges a gusset, described this gusset is divided into a hot-air channel and a cold air channel by described housing, described hot-air channel does not communicate with described cold air channel, and the both sides of described gusset all arrange some heat exchange fins.
High enthalpy heat island guiding as claimed in claim 1 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, also comprise a centrifugal blower, described centrifugal blower is connected with the air inlet of described air heat exchanger external end head.
High enthalpy heat island guiding as claimed in claim 1 greatly along the journey heat transfer temperature difference backheating type air disinfector that has a narrow range of temperature, it is characterized in that, also comprise a defecator, described defecator is arranged on the air inlet place of described air heat exchanger external end head.
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| CN201210185291.7A CN102698297B (en) | 2012-06-07 | 2012-06-07 | High-enthalpy heat island lead large on-way temperature difference and small heat transmission temperature difference back heating type air disinfector |
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| CN201210185291.7A CN102698297B (en) | 2012-06-07 | 2012-06-07 | High-enthalpy heat island lead large on-way temperature difference and small heat transmission temperature difference back heating type air disinfector |
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| CN102698297B true CN102698297B (en) | 2014-10-08 |
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| CN111854007A (en) * | 2019-04-28 | 2020-10-30 | 上海科力玛数据科技有限公司 | High-water-temperature and large-temperature-difference air conditioner terminal equipment |
| CN111035788A (en) * | 2020-02-09 | 2020-04-21 | 林昌全 | Air purification and disinfection system |
| CN113616840B (en) * | 2020-05-08 | 2023-03-31 | 欧佩德伺服电机节能系统有限公司 | Air sterilizer |
| EP4255513A1 (en) * | 2020-12-07 | 2023-10-11 | Sümegi, István Andor | Air sterilisation apparatus |
| CN113587701A (en) * | 2021-07-16 | 2021-11-02 | 北京科荣达航空科技股份有限公司 | Heat exchanger with ozone conversion and high-temperature precooling functions |
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| US8256135B2 (en) * | 1999-05-28 | 2012-09-04 | Thermapure, Inc. | Method for removing or treating harmful biological and chemical substances within structures and enclosures |
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