CN103743084A - Total heat exchanger - Google Patents
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- CN103743084A CN103743084A CN201410026652.2A CN201410026652A CN103743084A CN 103743084 A CN103743084 A CN 103743084A CN 201410026652 A CN201410026652 A CN 201410026652A CN 103743084 A CN103743084 A CN 103743084A
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Abstract
The invention discloses a total heat exchanger which comprises a shell, fresh air flow channels, exhaust flow channels, heat exchange cores and at least one distributing partition plate. The fresh air flow channels are used for supplying outdoor fresh air to an indoor environment; the exhaust flow channels are used for exhausting indoor air to an outdoor environment; the heat exchange cores are arranged at crossed positions of the fresh air flow channels and the exhaust flow channels in a crossed manner; the distributing partition plates are respectively arranged in an air-inlet-side channel of the fresh air flow channels and an air-inlet-side channel of the exhaust flow channels. The total heat exchanger has the advantages that air in the heat exchange cores can be uniformly distributed, eddy currents can be prevented, and accordingly the heat exchange efficiency of the total heat exchanger can be improved.
Description
Technical field
The invention belongs to heat exchanger field, particularly, relate to a kind of device that carries out full heat (comprising sensible heat and latent heat) exchange for indoor-outdoor air, i.e. total-heat exchanger.
Background technology
Pure and fresh in order to guarantee room air, in building air conditioning, must guarantee enough resh air requirements.Particularly, because chemical industry and material industry develop rapidly, occurred that a large amount of synthetic materials is as construction material and finishing material, and these materials can discharge pernicious gas as formaldehyde, benzene, toluene, ethanol, chloroform etc.
The deterioration of indoor air environment causes the people in building to have uncomfortable sensation, as dizzy, irritated, feel sick etc., even can produce disease, for example, may cause following three kinds of illnesss: Cure of Sick Building Syndrome (SBS), with relevant disease (BRI) and the number of chemical pollutant allergy (MCS) of building.
Ventilation dilution can reduce the volatile organic matter (VOC) in room air, but at non-transition season (summer and winter), the increase of resh air requirement need to consume a large amount of energy, especially in humid region.In China, novel wind energy consumption duty is adjusted 30%～40% of total energy consumption, therefore, saves novel wind energy and consumes reducing building energy consumption significant.
Thus, improving indoor air quality and reducing air conditioning energy consumption is all the problem that field of air conditioning is paid close attention to most, and solve at present the optimal path of contradiction between the two, be to adopt total-heat exchanger, can make the foul atmosphere of indoor discharge and outdoor fresh air carry out the exchange of sensible heat and latent heat, air conditioning air exhaust is carried out to hot/cold to greatest extent and reclaim, can realize environmental protection and energy-conservation simultaneously.
Total-heat exchanger is not only applicable to use the public buildings such as the office building, hotel of central air-conditioning system, but also is applicable to not have the civil buildings of central air-conditioning system, and to the larger hospital of resh air requirement demand and factory etc., energy-saving effect is more remarkable.
Particularly, the ventilating system of using in house, heavy construction and factory etc. generally comprises: air supply fan, exhaust fan and pipeline, also can comprise total-heat exchanger simultaneously, and be mainly used in reclaiming the partial heat energy comprising in exhaust.Total-heat exchanger mainly comprises: by new wind air inlet runner, new wind, go out flow channel and the new wind new distinguished and admirable road that blower fan forms of giving vent to anger; By air draft air inlet runner, air draft, go out flow channel and the air draft air draft runner that blower fan forms of giving vent to anger; And three parts of heat exchange core body.
In the prior art, as described in Patent Document 1, fresh inlet is vertical with heat exchange core body with air draft import for most of total-heat exchanger, and fluid is significantly expanded, and drag losses is large.And air draft air and new wind air skewness on heat exchange core body, cannot make full use of heat exchange core body and carry out effectively full heat exchange, thereby cause the heat exchanger effectiveness of total-heat exchanger to be effectively improved.
For the existing shortcoming of total-heat exchanger described in patent documentation 1, the air intake form to total-heat exchanger in patent documentation 2 is improved, and by the air intake mode of total-heat exchanger, by import and heat exchange core body, vertical to change import into parallel with heat exchange core body.Adopt this air intake form, improved to a certain extent air draft air and new wind air and entered problem pockety after heat exchange core body, still, too concentrate or thin phenomenon still existing local air to distribute along heat exchange core body direction.
Simultaneously, while adopting the total-heat exchanger described in patent documentation 1 and patent documentation 2, owing to comprising the design of multiple turnings in channels designs, make easily in part, to produce eddy current when air passes through passage, affect the heat exchanger effectiveness of total-heat exchanger, make the pressure loss of whole heat transfer process increase simultaneously.
For the existing shortcoming of total-heat exchanger described in patent documentation 1 and patent documentation 2, at patent documentation 3, the mode of deflector is added in employing at air inlet runner and air outlet runner, avoided the generation of runner local eddy currents, and reduced the pressure loss of whole heat transfer process simultaneously.But when inlet side wind speed is excessive, air mass flow, at heat exchange core body windward side skewness, can affect the heat exchanger effectiveness of total-heat exchanger.
Prior art:
Patent documentation:
Patent documentation 1: China Patent Publication No. CN 101324358A;
Patent documentation 2: China Patent Publication No. CN 102308154A;
Patent documentation 3: China Patent Publication No. CN 102840657A.
Summary of the invention
In view of the above, technical problem to be solved by this invention is to provide a kind of total-heat exchanger, can make the air quantity in heat exchange core body be uniformly distributed and avoid eddy current to produce, thereby can improve the heat exchanger effectiveness of this total-heat exchanger.
In order to solve the problems of the technologies described above, total-heat exchanger of the present invention, comprising: housing; For outdoor new wind is provided to indoor new distinguished and admirable road; Be used for indoor Bas Discharged to outdoor air draft runner; Be located at the heat exchange core body at the described new distinguished and admirable road of arranged crosswise and the cross part place of described air draft runner; And be arranged at respectively at least one split-flow baffles in the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner.
According to the present invention, heat exchange core body by being located at the new distinguished and admirable road of arranged crosswise and the cross part place of air draft runner to the new wind flowing in new distinguished and admirable road and in air draft runner mobile air draft carry out heat exchange, and also by being arranged at respectively at least one split-flow baffles in the inlet side passage in new distinguished and admirable road and the inlet side passage of air draft runner, can improve flow passage structure, make air intake air-flow enter equably heat exchange core body, thereby make new wind and air draft can carry out fully full heat exchange, effectively improve the heat exchanger effectiveness of total-heat exchanger.
Again, in the present invention, can be also, described split-flow baffles be arcuate structure.
According to the present invention, by split-flow baffles is arranged to arcuate structure, be conducive to air intake air-flow to be successfully directed into heat exchange core body.
Again, in the present invention, can be also that the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner lay respectively in two-layer on the above-below direction of inlet side of described heat exchange core body; The air side passage in described new distinguished and admirable road and the air side passage of described air draft runner lay respectively in two-layer on the above-below direction of air side of described heat exchange core body; And the inlet side passage in described new distinguished and admirable road and the air side passage of described air draft runner are arranged in same level, and the inlet side passage of described air draft runner and the air side passage in described new distinguished and admirable road are arranged in same level.
According to structure of the present invention, can make new wind air intake and the air draft air intake of inlet side via the inlet side passage in new distinguished and admirable road and the inlet side passage of air draft runner, flow into heat exchange core body respectively, and can make via the air side passage in new distinguished and admirable road and the air side passage of air draft runner, to discharge respectively through new wind and the air draft of heat exchange core body.Be conducive to make new wind and air draft to flow through across heat exchange core body to carry out heat exchange.
Again, in the present invention, also can be, described heat exchange core body comprises in two-layer on the above-below direction that is separately positioned on described inlet side and the new wind air intake surface and the air draft air intake surface that are connected with the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner respectively, and is separately positioned in two-layer on the above-below direction of described air side and the new wind outlet air surface and the air draft outlet air surface that are connected with the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner respectively.
According to the present invention, make in the inlet side passage of the inlet side in new distinguished and admirable road passage and air draft runner the new wind that flows respectively and air draft flow through respectively and carry out heat exchange after the new wind air intake surface of heat exchange core body and air draft air intake surface enter heat exchange core body, and the new wind after heat exchange and air draft are flowed through respectively again after the new wind outlet air surface of heat exchange core body and air draft outlet air surface and flowed into the air side passage in new distinguished and admirable road and the air side passage of air draft runner.Structure of the present invention is more conducive to make new wind and air draft to flow through across heat exchange core body to carry out heat exchange, can further improve the heat exchanger effectiveness of total-heat exchanger.
Again, in the present invention, also can be, the height of the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner is identical with the height of described new wind air intake surface and described air draft air intake surface respectively, and the cross section of the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner is along with air current flow direction reduces gradually.
According to the present invention, by the height of the inlet side passage in new distinguished and admirable road and the inlet side passage of air draft runner, be set to identical with the height of new wind air intake surface and air draft air intake surface respectively, can prevent the air-flow expansion suddenly in the inlet side passage in new distinguished and admirable road and the inlet side passage of air draft runner or shrink, causing the generation of eddy current and the increase of the pressure loss.And the cross section of the inlet side passage in new distinguished and admirable road and the inlet side passage of air draft runner is set to along with the air that air current flow direction reduces to make the to enter air intake surface gradually constant speed of trying one's best.
Again, in the present invention, also can be, the height of the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner is identical with the height of described new wind outlet air surface and described air draft outlet air surface respectively, and the cross section of the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner is along with air current flow direction increases gradually.
According to the present invention, by the height of the air side passage in new distinguished and admirable road and the air side passage of air draft runner, be set to identical with the height of new wind outlet air surface and air draft outlet air surface respectively, can prevent the air-flow expansion suddenly in the air side passage in new distinguished and admirable road and the air side passage of air draft runner or shrink, causing the generation of eddy current and the increase of the pressure loss.And the cross section of the air side passage in new distinguished and admirable road and the air side passage of air draft runner is set to can make the air of the outlet air surface constant speed of trying one's best along with air current flow direction increases gradually.
Again, in the present invention, also can be, the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner comprise respectively the horizontal baffle that is connected with described heat exchange core body and the vertically extending inlet side of the side channel side diaphragm that is away from described heat exchange core body from described horizontal baffle, it is the structure of arc or straight plate shape that described inlet side channel side diaphragm is arranged to along the whole length of inlet side passage, and described at least one split-flow baffles arranges from described horizontal baffle is outstanding.
According to the present invention, be conducive to the formation of the inlet side passage in new distinguished and admirable road and the inlet side passage of air draft runner, thereby can make new wind air intake and air draft air intake enter respectively and equably heat exchange core body, make new wind and air draft can carry out fully full heat exchange, effectively improve the heat exchanger effectiveness of total-heat exchanger.
Again, in the present invention, also can be, the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner comprise respectively the horizontal baffle that is connected with described heat exchange core body, the vertically extending air side of the side channel side diaphragm and the blower fan side dividing plate that are away from described heat exchange core body from described horizontal baffle, described blower fan side dividing plate is located between the blower fan cabinet and heat exchanger main box of described housing, and it is the structure of arc or straight plate shape that described air side channel side diaphragm is arranged to till described blower fan side dividing plate.
According to the present invention, be conducive to the formation of the air side passage in new distinguished and admirable road and the air side passage of air draft runner, thereby make new wind and air draft after heat exchange can flow into respectively the air side passage in new distinguished and admirable road and the air side passage of air draft runner.
Again, in the present invention, can be also that described blower fan side dividing plate possesses respectively two perforates that are connected with the inlet portion that is contained in new wind blower fan in described blower fan cabinet and exhaust fan.
According to the present invention, by this perforate, can make the air side passage in new distinguished and admirable road and the air side passage of air draft runner respectively be contained in new wind blower fan in blower fan cabinet and the inlet portion of exhaust fan and be connected, can be conducive to suction by new wind blower fan and exhaust fan by outdoor new wind provide to indoor and by indoor Bas Discharged to outdoor.
Again, in the present invention, can be also in described blower fan cabinet, to be provided with the blower fan space bar between described new wind blower fan and described exhaust fan.
According to the present invention, can make new wind blower fan and described exhaust fan move, being conducive to respectively suction by new wind blower fan and exhaust fan provides outdoor new wind to indoor and indoor air is expelled to outdoor via air draft runner via air intake runner non-interferencely.
The present invention can comprise any combination of disclosed at least two structures in claims and/or description and/or accompanying drawing.The plural any combination of every claim that especially, the present invention comprises claims.
According to the following specific embodiment and with reference to accompanying drawing, will understand better above-mentioned and other object of the present invention, feature and advantage.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of the total-heat exchanger of a form of implementation of the present invention;
Fig. 2 is the decomposing schematic representation of the total-heat exchanger shown in Fig. 1;
Fig. 3 shows the structural representation of the total-heat exchanger shown in Fig. 1 of air-flow trend;
Fig. 4 is that the air-flow of the total-heat exchanger shown in Fig. 1 moves towards schematic diagram.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
Total-heat exchanger of the present invention is according to runner difference, can be divided into for outdoor new wind being provided to indoor new distinguished and admirable road, for by indoor Bas Discharged to outdoor air draft runner, this new distinguished and admirable road, air draft runner are roughly arranged in a crossed manner in total-heat exchanger.This total-heat exchanger also comprises the heat exchange core body of being located at the cross part place between new distinguished and admirable road and air draft runner.And this total-heat exchanger also comprises at least one split-flow baffles being arranged at respectively in the inlet side passage in this new distinguished and admirable road and the inlet side passage of this air draft runner.Below in conjunction with accompanying drawing, be elaborated.
Fig. 1 is according to the structural representation of the total-heat exchanger of a form of implementation of the present invention, and Fig. 2 is the decomposing schematic representation of the total-heat exchanger shown in Fig. 1.As shown in Figure 1, the housing 19 of the total-heat exchanger in this example comprises blower fan cabinet 17 and the heat exchanger main box 18 of adjacent setting.
In above-mentioned blower fan cabinet 17, accommodate new wind blower fan 1 and the exhaust fan 2 of total-heat exchanger.This new wind blower fan 1 and exhaust fan 2 are separated by blower fan space bar 14 between the two.One side of the close heat exchanger main box 18 of this blower fan cabinet 17 separates with heat exchanger main box 18 by the blower fan side dividing plate 15 with two circular hole 15a, 15b.New wind blower fan 1 is for the outer new wind of suction chamber and sucked new wind is offered to the interior space, and exhaust fan 2 is for sucking room air and sucked room air being discharged to outdoor.
And the outlet of above-mentioned new wind blower fan 1 and exhaust fan 2 is connected with wind exhausting outlet 3 with new wind outlet 6 respectively.The position of this new wind outlet 6 and wind exhausting outlet 3 lays respectively on heterodoxy face 17a, the 17b of blower fan cabinet 17 as depicted in figs. 1 and 2.And new wind outlet 6 and wind exhausting outlet 3 both in Different Plane, for example, as shown in Figure 2, the position of new wind outlet 6 in end face 17a than wind exhausting outlet 3 position in end face 17b near above.
Also as shown in Figure 1, above-mentioned heat exchanger main box 18 comprises the inlet side that is away from blower fan cabinet 17 181 of being divided by heat exchange core body 7 and the air side 182 that is close to blower fan cabinet 17.In the inlet side 181 of this heat exchanger main box 18, be provided with fresh inlet 4 and air draft import 5.The position of this fresh inlet 4 and air draft import 5 lay respectively at heat exchanger main box 18 as depicted in figs. 1 and 2 respectively with heterodoxy face 18b, the 18a of the heterodoxy face 17b of blower fan cabinet 17,17a homonymy on.And fresh inlet 4 and air draft import 5 both in Different Plane, for example, as shown in Figure 2, the position of fresh inlet 4 in end face 18b than air draft import 5 position in end face 18a near below.
Certainly, the present invention is not limited to this, also can be the position of new wind outlet 6 in end face 17a than wind exhausting outlet 3 position in end face 17b near below, accordingly, the position of fresh inlet 4 in end face 18b than air draft import 5 position in end face 18a near above.
In addition, also as shown in Figure 1, in the inlet side 181 of this heat exchanger main box 18, also comprise fresh inlet side flow-guiding channel (being the inlet side passage in new distinguished and admirable road) 10 and the air draft inlet side flow-guiding channel (being the inlet side passage of air draft runner) 11 that are connected with air draft import 5 with fresh inlet 4 respectively.And in the air side 182 of this heat exchanger main box 18, also comprise respectively and being connected with two circular hole 15a, the 15b of above-mentioned blower fan side dividing plate 15, and then export the 6 new wind outlet side flow-guiding channel being connected with wind exhausting outlet 3 (being the air side passage in new distinguished and admirable road) 9 and wind exhausting outlet side flow-guiding channel (being the air side passage of air draft runner) 8 with new wind.
Thus, as shown in Figure 1, the new distinguished and admirable road of the total-heat exchanger in this example is by fresh inlet 4, fresh inlet side flow-guiding channel 10, new wind outlet side flow-guiding channel 9, new wind blower fan 1 and new wind outlet 6 compositions.And the air draft runner of this total-heat exchanger is by air draft import 5, air draft inlet side flow-guiding channel 11, wind exhausting outlet side flow-guiding channel 8, exhaust fan 2 and wind exhausting outlet 3 form.The outdoor new wind circulating in new distinguished and admirable road carries out full heat (comprising latent heat and sensible heat) exchange with the indoor exhaust wind circulating in air draft runner at heat exchange core body 7 places.
Further, in the present invention, fresh inlet side flow-guiding channel 10 and air draft inlet side flow-guiding channel 11 lay respectively in two-layer on the above-below direction of inlet side of heat exchange core body 7; New wind outlet side flow-guiding channel 9 and wind exhausting outlet side flow-guiding channel 8 lay respectively in two-layer on the above-below direction of air side of heat exchange core body 7; And fresh inlet side flow-guiding channel 10 and wind exhausting outlet side flow-guiding channel 8 are arranged in same level, and air draft inlet side flow-guiding channel 11 and new wind outlet side flow-guiding channel 9 are arranged in same level.For example, in the example shown in Fig. 1, at the place, inlet side of heat exchange core body 7, fresh inlet side flow-guiding channel 10 is positioned at lower floor, and air draft inlet side flow-guiding channel 11 is positioned at upper strata, and at the place, air side of heat exchange core body 7, new wind outlet side flow-guiding channel 9 is positioned at upper strata, and wind exhausting outlet side flow-guiding channel 8 is positioned at lower floor.
And in this example, heat exchange core body 7 is fixed in heat exchanger main box 18 by side seal locating groove 13 on side seal locating groove 12 and core body under the core body shown in Fig. 2.This locating groove 12 and 13 also has sealing function simultaneously, prevents that new wind from mixing with the region of air draft beyond heat exchange core body 7.Room air and outdoor air, under temperature difference and psychrometric difference effect, by the heat exchange membranes in heat exchange core body 7, make room air and outdoor new wind complete sensible heat and latent heat exchange in heat exchange core body 7.
In addition, this heat exchange core body 7 can comprise in two-layer on the above-below direction that is separately positioned on inlet side and the new wind air intake surface 7d and the air draft air intake surface 7a that are connected with air draft inlet side flow-guiding channel 11 with fresh inlet side flow-guiding channel 10 respectively, and is separately positioned in two-layer on the above-below direction of air side and the new wind outlet air surface 7b and the air draft outlet air surface 7c that are connected with wind exhausting outlet side flow-guiding channel 8 with new wind outlet side flow-guiding channel 9 respectively.
Particularly, in the present invention, the height of fresh inlet side flow-guiding channel 10 and air draft inlet side flow-guiding channel 11 is identical with the height of this new wind air intake surface 7d and air draft air intake surface 7a respectively, and the cross section of this fresh inlet side flow-guiding channel 10 and air draft inlet side flow-guiding channel 11 is along with air current flow direction reduces gradually.
Similarly, in the present invention, the height of new wind outlet side flow-guiding channel 9 and wind exhausting outlet side flow-guiding channel 8 is identical with the height of new wind outlet air surface 7b and air draft outlet air surface 7c respectively, and the cross section of new wind outlet side flow-guiding channel 9 and wind exhausting outlet side flow-guiding channel 8 is along with air current flow direction increases gradually.
More specifically, referring to Fig. 2, in this example, above-mentioned fresh inlet side flow-guiding channel 10 comprises new wind air intake runner horizontal baffle 10a, new wind air intake flow passage side diaphragm 10b.Wherein, new wind air intake runner horizontal baffle 10a is connected with the above-below direction substantial middle portion of heat exchange core body 7, and extends along the length direction of heat exchange core body 7.And new wind air intake runner horizontal baffle 10a be set to from fresh inlet 4 connecting places the structure that reduces gradually of area.New wind air intake flow passage side diaphragm 10b is from a side direction downward-extension that is away from heat exchange core body 7 of this new wind air intake runner horizontal baffle 10a, thus, by new wind air intake runner horizontal baffle 10a, new wind air intake flow passage side diaphragm 10b both formed be communicated with fresh inlet 4 and with this fresh inlet 4 in conplane fresh inlet side flow-guiding channel 10 roughly.
Similarly, in this example, said exhaust inlet side flow-guiding channel 11 comprises air draft air intake runner horizontal baffle 11a, air draft air intake flow passage side diaphragm 11b.Wherein, air draft air intake runner horizontal baffle 11a is connected with the above-below direction substantial middle portion of heat exchange core body 7, and extends along the length direction of heat exchange core body 7.Air draft air intake flow passage side diaphragm 11b extends from a side direction that is away from heat exchange core body 7 of this air draft air intake runner horizontal baffle 11a, thus, by air draft air intake runner horizontal baffle 11a, air draft air intake flow passage side diaphragm 11b both formed be communicated with air draft import 5 and with this air draft import 5 in conplane air draft inlet side flow-guiding channel 11 roughly.And this air draft inlet side flow-guiding channel 11 be set to from air draft import 5 junctions the more and more less structure of cross section.
In addition, as depicted in figs. 1 and 2, total-heat exchanger of the present invention also comprises at least one the new wind inlet side split-flow baffles 10c and the air draft inlet side split-flow baffles 11c that are arranged at respectively in fresh inlet side flow-guiding channel 10 and air draft inlet side flow-guiding channel 11.Particularly, this at least one split-flow baffles 10c and 11c are respectively from new wind air intake runner horizontal baffle 10a and the outstanding setting of air draft air intake runner horizontal baffle 11a.
Thus, air draft import 5 and fresh inlet 4 are positioned at the homonymy (inlet side, as shown in the figure the side away from blower fan cabinet 17 of heat exchange core body 7) of heat exchange core body 7, and airflow direction is contrary.Simultaneously, because air draft and new wind need to enter respectively air draft air intake surface 7a and the new wind air intake surface 7d of the inlet side of heat exchange core body 7, therefore, air draft import 5 and fresh inlet 4 be at same plane, but lay respectively in upper and lower two planes of core body homonymy (inlet side) heterodoxy face.The inlet side of heat exchanger main box 18 is separated by new wind air intake runner horizontal baffle 10a and air draft air intake runner horizontal baffle 11a, upper and lower two-layer in heat exchange core body 7 inlet sides respectively, is entered in heat exchange core body 7 respectively air draft air and new wind air by air draft air intake surface 7a and new wind air intake surface 7d.
In addition, air draft air intake runner diaphragm 11b and new wind air intake flow passage side diaphragm 10b adopt the design of full tunnel arc, optional 50～75 ° of the arc angle of deflector arcwall face, the optional 1000～4500mm of arc radius.For example can be designed to the arc structure along runner.Or, also can adopt straight plate design.
Again, air draft inlet side split-flow baffles 11c and new wind inlet side split-flow baffles 10c also can be arcuate structure.For example can adopt the arc design of object gas flow inflow direction, optional 15～70 ° of flow distribution plate arc angle, the optional 50～450mm of arc radius.
Air draft air-out runner horizontal baffle 8a is connected with air draft outlet air surface 7c with the wind exhausting outlet side flow-guiding channel 8 of air draft air-out flow passage side diaphragm 8b composition.New wind air intake runner horizontal baffle 9a is connected with new wind outlet air surface 7b with the new wind outlet side flow-guiding channel 9 of new wind air-out flow passage side diaphragm 9b composition.Upper and lower two parts are cut apart by air draft air-out runner horizontal baffle 8a and new wind air intake runner horizontal baffle 9a in the space, air side of heat exchanger main box 18, make air draft air and new wind air after heat exchange core body 7, via outlet side flow-guiding channel 9 and 8, enter in new wind blower fan 1 and exhaust fan 2 respectively.
Air draft air-out flow passage side diaphragm 8b and new wind air-out flow passage side diaphragm 9b adopt non-full tunnel arc design, diaphragm 8b is connected with blower fan side dividing plate 15 with one end of 9b, position is between two blower fans, preferably at place, middle position, be connected (as Fig. 1, shown in 2), optional 20～50 ° of the arc angle of diaphragm 8b and 9b, the optional 250～1200mm of arc radius, diaphragm 8b and 9b also can adopt straight plate design.
In Fig. 3 and Fig. 4, represented that total-heat exchanger carries out one of embodiment of heat exchange, its detailed process is:
First, need the room air of discharging under exhaust fan pressure-acting, by exhaust duct, by air draft import 5, entered in total-heat exchanger, as shown in phantom in Figure 3 or as shown in solid line in Fig. 4; And outdoor new wind is under new wind blower pressure effect, through fresh air pipeline, by fresh inlet 4, entered in total-heat exchanger, as shown in solid line in Fig. 3 or as shown in dotted line in 4.
Secondly, room air is entering after total-heat exchanger, be subject to the effect of the interior air draft inlet side flow-guiding channel 11 of air exhaust passage and air draft inlet side split-flow baffles 11c, along flow-guiding channel direction and split-flow baffles direction, by air draft air intake surface, 7a enters heat exchange core body 7 equably.
Meanwhile, outdoor new wind is entering after total-heat exchanger, is subject to the effect of fresh inlet side flow-guiding channel 10 and new wind inlet side split-flow baffles 10c, along flow-guiding channel direction and split-flow baffles direction, by new wind air intake surface 7d, enters equably heat exchange core body 7.
Then, enter the room air of heat exchange core body 7 and outdoor new wind full heat (comprising latent heat and sensible heat) exchange occurs in heat exchange core body.
Then, complete the room air of full heat exchange under exhaust fan 2 effects, via air draft outlet air surface 7c, enter wind exhausting outlet side flow-guiding channel 8, and enter exhaust fan 2 along flow-guiding channel direction; The outdoor new wind that completes full heat exchange, under new wind blower fan 1 effect, via new wind outlet air surface 7b, enters new wind outlet side flow-guiding channel 9, and enters new wind blower fan 1 along flow-guiding channel direction.
Finally, room air by exhaust fan 2, enter in exhaust duct and discharge outdoor, as shown in phantom in Figure 3 or as shown in solid line in Fig. 4; Outdoor new wind enters fresh air pipeline via new wind blower fan 1, as shown in solid line in Fig. 3 or as shown in dotted line in 4, completes whole full heat exchanging process.
In whole full heat exchanging process, due to air intake flow passage side diaphragm 10b, 11b and the design of air-out flow passage side diaphragm 8b, 9b employing arc, avoided generation eddy current in new distinguished and admirable road and air draft runner.Introduce after the diaphragm of arc design, can also avoid the windage that produces due to the existence at turning due in new distinguished and admirable road and air draft runner, correspondingly reduced the pressure loss in whole full heat exchanging process.Meanwhile, due to the effect of air draft inlet side split-flow baffles 11c and new wind inlet side split-flow baffles 10c, make air-flow can enter equably heat exchange core body, make new wind and air draft can carry out fully full heat exchange.Therefore, use total-heat exchanger structure of the present invention, can effectively improve the heat exchange efficiency of total-heat exchanger.
The present invention further illustrates that following examples are to illustrate better the present invention.Should understand equally; following examples are only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.The test method of unreceipted actual conditions in the following example, conventionally according to normal condition, or the condition of advising according to manufacturer.
The raising of the heat exchanger effectiveness of total-heat exchanger of the present invention is described by specific embodiment below.
Adopt the total-heat exchanger shown in Fig. 1 of the present invention to measure its exchange efficiency, Test Cycle is: 22.0 ± 0.5 ℃ of indoor exhaust wind dry-bulb temperatures, water capacity is 10.5 ± 0.5 gkg
-1, 30.0 ± 0.5 ℃ of outdoor new air-dry bulb temperatures, water capacity is 15.8 ± 0.5 gkg
-1, adopting 7 split-flow baffles, split-flow baffles radian is 105 °, and split-flow baffles air intake tangential direction is parallel with air intake direction, and its outlet air end tangential direction is vertical with core body windward side.
Comparative example 1
Adopt the total-heat exchanger shown in patent documentation 3 to measure its exchange efficiency, Test Cycle is: 22.0 ± 0.5 ℃ of indoor exhaust wind dry-bulb temperatures, water capacity is 10.5 ± 0.5 gkg
-1, 30.0 ± 0.5 ℃ of outdoor new air-dry bulb temperatures, water capacity is 15.8 ± 0.5 gkg
-1.
Adopt the total-heat exchanger shown in Fig. 1 of the present invention to measure its exchange efficiency, Test Cycle is: 21.5 ± 0.5 ℃ of indoor exhaust wind dry-bulb temperatures, water capacity is 9.5 ± 0.5 gkg
-1, 13.5 ± 0.5 ℃ of outdoor new air-dry bulb temperatures, water capacity is 5.8 ± 0.5 gkg
-1, adopting 7 split-flow baffles, split-flow baffles radian is 105 °, and split-flow baffles air intake tangential direction is parallel with air intake direction, and its outlet air end tangential direction is vertical with core body windward side.
Comparative example 2
Adopt the total-heat exchanger shown in patent documentation 3 to measure its exchange efficiency, Test Cycle is: 21.5 ± 0.5 ℃ of indoor exhaust wind dry-bulb temperatures, water capacity is 9.5 ± 0.5 gkg
-1, 13.5 ± 0.5 ℃ of outdoor new air-dry bulb temperatures, water capacity is 5.8 ± 0.5 gkg
-1.
Based on above-mentioned working condition, respectively total-heat exchanger described in the present invention and patent documentation 3 is measured, measurement result is listed in table 1.Temperature exchange efficiency, humidity exchange efficiency and the enthalpy exchange efficiency of total-heat exchanger of the present invention will be better than total-heat exchanger described in patent documentation 3 significantly.
Table 1
。
Do not departing under the aim of essential characteristic of the present invention, the present invention can be presented as various ways, therefore the example in the present invention is to be illustrative rather than definitive thereof, due to scope of the present invention, be defined by the claims but not limited by description, and drop on the scope that claim defines, or all changes in the full scope of equivalents of its scope defining are all understood to include in claims.
Claims (10)
1. a total-heat exchanger, is characterized in that, comprising:
Housing;
For outdoor new wind is provided to indoor new distinguished and admirable road;
Be used for indoor Bas Discharged to outdoor air draft runner;
Be located at the heat exchange core body at the described new distinguished and admirable road of arranged crosswise and the cross part place of described air draft runner; And
Be arranged at respectively at least one split-flow baffles in the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner.
2. total-heat exchanger according to claim 1, is characterized in that, described split-flow baffles is arcuate structure.
3. total-heat exchanger according to claim 1, is characterized in that,
The inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner lay respectively in two-layer on the above-below direction of inlet side of described heat exchange core body;
The air side passage in described new distinguished and admirable road and the air side passage of described air draft runner lay respectively in two-layer on the above-below direction of air side of described heat exchange core body; And
The inlet side passage in described new distinguished and admirable road and the air side passage of described air draft runner are arranged in same level, and the inlet side passage of described air draft runner and the air side passage in described new distinguished and admirable road are arranged in same level.
4. total-heat exchanger according to claim 3, it is characterized in that, described heat exchange core body comprises in two-layer on the above-below direction that is separately positioned on described inlet side and the new wind air intake surface and the air draft air intake surface that are connected with the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner respectively, and is separately positioned in two-layer on the above-below direction of described air side and the new wind outlet air surface and the air draft outlet air surface that are connected with the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner respectively.
5. total-heat exchanger according to claim 4, it is characterized in that, the height of the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner is identical with the height of described new wind air intake surface and described air draft air intake surface respectively, and the cross section of the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner is along with air current flow direction reduces gradually.
6. total-heat exchanger according to claim 4, it is characterized in that, the height of the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner is identical with the height of described new wind outlet air surface and described air draft outlet air surface respectively, and the cross section of the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner is along with air current flow direction increases gradually.
7. total-heat exchanger according to claim 4, it is characterized in that, the inlet side passage in described new distinguished and admirable road and the inlet side passage of described air draft runner comprise respectively the horizontal baffle that is connected with described heat exchange core body and the vertically extending inlet side of the side channel side diaphragm that is away from described heat exchange core body from described horizontal baffle, it is the structure of arc or straight plate shape that described inlet side channel side diaphragm is arranged to along the whole length of inlet side passage, and described at least one split-flow baffles arranges from described horizontal baffle is outstanding.
8. total-heat exchanger according to claim 4, it is characterized in that, the air side passage in described new distinguished and admirable road and the air side passage of described air draft runner comprise respectively the horizontal baffle that is connected with described heat exchange core body, the vertically extending air side of the side channel side diaphragm and the blower fan side dividing plate that are away from described heat exchange core body from described horizontal baffle, described blower fan side dividing plate is located between the blower fan cabinet and heat exchanger main box of described housing, and it is the structure of arc or straight plate shape that described air side channel side diaphragm is arranged to till described blower fan side dividing plate.
9. total-heat exchanger according to claim 8, is characterized in that, described blower fan side dividing plate possesses respectively two perforates that are connected with the inlet portion that is contained in new wind blower fan in described blower fan cabinet and exhaust fan.
10. total-heat exchanger according to claim 9, is characterized in that, is provided with the blower fan space bar between described new wind blower fan and described exhaust fan in described blower fan cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026652.2A CN103743084A (en) | 2014-01-21 | 2014-01-21 | Total heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026652.2A CN103743084A (en) | 2014-01-21 | 2014-01-21 | Total heat exchanger |
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| CN103743084A true CN103743084A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026652.2A Pending CN103743084A (en) | 2014-01-21 | 2014-01-21 | Total heat exchanger |
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Cited By (7)
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| CN106574795A (en) * | 2014-08-18 | 2017-04-19 | Eg海姆株式会社 | Housing for total heat exchanging apparatus and total heat exchanging apparatus including same |
| CN107014046A (en) * | 2016-01-27 | 2017-08-04 | 台达电子工业股份有限公司 | Total-heat exchanger |
| CN108571800A (en) * | 2018-05-18 | 2018-09-25 | 宁波威霖住宅设施有限公司 | A kind of new wind turbine air channel structure of furred ceiling |
| CN109708235A (en) * | 2018-12-11 | 2019-05-03 | 上海应达风机股份有限公司 | A kind of vertical total-heat exchanger |
| CN111765580A (en) * | 2020-07-09 | 2020-10-13 | 李栋 | Ventilation device with gas purification function for operating room |
| CN113310158A (en) * | 2021-06-25 | 2021-08-27 | 珠海格力电器股份有限公司 | New fan |
| CN114198847A (en) * | 2021-12-24 | 2022-03-18 | 珠海格力电器股份有限公司 | Fresh air equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106574795A (en) * | 2014-08-18 | 2017-04-19 | Eg海姆株式会社 | Housing for total heat exchanging apparatus and total heat exchanging apparatus including same |
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| CN107014046B (en) * | 2016-01-27 | 2020-06-02 | 台达电子工业股份有限公司 | Total heat exchanger |
| CN108571800A (en) * | 2018-05-18 | 2018-09-25 | 宁波威霖住宅设施有限公司 | A kind of new wind turbine air channel structure of furred ceiling |
| CN109708235A (en) * | 2018-12-11 | 2019-05-03 | 上海应达风机股份有限公司 | A kind of vertical total-heat exchanger |
| CN111765580A (en) * | 2020-07-09 | 2020-10-13 | 李栋 | Ventilation device with gas purification function for operating room |
| CN113310158A (en) * | 2021-06-25 | 2021-08-27 | 珠海格力电器股份有限公司 | New fan |
| CN114198847A (en) * | 2021-12-24 | 2022-03-18 | 珠海格力电器股份有限公司 | Fresh air equipment |
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