CN203704220U - Discontinuous-fin separating type heat tube fresh air machine - Google Patents

Discontinuous-fin separating type heat tube fresh air machine Download PDF

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Publication number
CN203704220U
CN203704220U CN201420043102.7U CN201420043102U CN203704220U CN 203704220 U CN203704220 U CN 203704220U CN 201420043102 U CN201420043102 U CN 201420043102U CN 203704220 U CN203704220 U CN 203704220U
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China
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condenser
evaporator
air
fresh air
heat pipe
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Expired - Fee Related
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CN201420043102.7U
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Chinese (zh)
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刘娣
杨兆铭
时玉树
王瑜
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China University of Petroleum East China
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China University of Petroleum East China
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Abstract

本实用新型涉及新风机机械领域,具体的说是一种非连续翅片分离式热管新风机,它包括冷凝器和蒸发器,冷凝器位于蒸发器上方,冷凝器的上端与蒸发器的上端通过蒸汽上升管相连,冷凝器的下端与蒸发器的下端通过冷凝液下降管相连,冷凝器的排风口和蒸发器的新风送风口均设有轴流风机,冷凝器和蒸发器的翅片为左右交错排布的两部分,翅片数目较多的一部分设置于进风的一侧。通过将翅片设计成交错设置的两部分结构,可以在翅片交错处产生风的紊乱并减缓了风速,一方面增加湍流换热强度,从而强化换热,最终使得整个换热元件在不增加金属耗量和换热面积的同时,获得更好的换热效果;另一方面降低风速从而增加换热时间,因此增加了空气与工质的换热效率。

The utility model relates to the field of fresh air blower machinery, in particular to a non-continuous fin separation type heat pipe fresh air blower, which includes a condenser and an evaporator, the condenser is located above the evaporator, and the upper end of the condenser passes through the upper end of the evaporator. The steam ascending pipe is connected, the lower end of the condenser is connected with the lower end of the evaporator through the condensate descending pipe, the exhaust port of the condenser and the fresh air supply port of the evaporator are equipped with axial flow fans, and the fins of the condenser and the evaporator are The left and right parts are arranged staggeredly, and the part with more fins is arranged on the air inlet side. By designing the fins into a two-part structure that is staggered, wind turbulence can be generated at the intersection of the fins and the wind speed can be slowed down. While reducing metal consumption and heat exchange area, better heat exchange effect can be obtained; on the other hand, the wind speed can be reduced to increase heat exchange time, thus increasing the heat exchange efficiency between air and working fluid.

Description

The new blower fan of discontinuous fin separate heat pipe
Technical field
The utility model relates to new blower fan mechanical field, specifically the new blower fan of a kind of discontinuous fin separate heat pipe.
Background technology
At present, room air pollution has become harm humans health " stealthy killer ".Research shows, the degree of room air pollution than the serious 2-5 of outdoor air doubly, can reach surprising 100 times under special circumstances.Expert detects discovery, has more than 500 kind of volatile organic matter in room air, and wherein carcinogenic substance just has kind more than 20, the virus of curing the disease kind more than 200.A large amount of startling facts confirmations, room air pollution has become " the stealthy killer " of harm humans health.According to statistics, the people of the nearly half in the whole world is in room air pollution, and indoor environmental pollution has caused 35.7% breathing problem, 22% chronic lung disease and 15% tracheitis, bronchitis and lung cancer.The data that provide according to Chinese indoor environment monitoring center, the death toll that exceeds the quata that China causes due to room air pollution every year reaches 11.1 ten thousand people, and the outpatient service number that exceeds the quata can reach 4,300,000 person-times.Serious indoor environmental pollution not only causes damage to health of people, and has caused huge economic loss, and only the economic loss that causes because of this respect of China is just up to 10,700,000,000 dollars nineteen ninety-five.
Point out according to " IAQ standard ", everyone has 30m by need per hour 3fresh air.And the time of the normal about 80-90% of common people is spent indoor.Along with the raising of material, economic level, air-conditioning has entered huge numbers of families.In air conditioner air after treatment, anion extremely lacks, and that anion is human body is requisite.Air in air-conditioned room is Reusability, and in room, the concentration of carbon dioxide can progressively raise, and causes environmental hypoxia, stuffy, and pathogen easily grows breeding.
In view of the severe air pollution problem inside rooms occurring, existing air clearing product can not solve severe indoor pollution problem from basic solution.Existing product is all air clearing product mostly, this series products can only clean room in original air, but can not be from the new air of outdoor introducing, so cannot fundamentally solve the situation of room air pollution.The best approach that solves indoor pollution problem be exactly the outdoor air exchange of carrying out of indoor introducing to improve IAQ, this is just starved of aeration device.
And the fin position of existing heat exchanger is continuous and continual, for the new blower fan of continuous fin heat pipe heat exchange element, heat exchange efficiency reduces along with reducing of the temperature difference, so in porch heat exchange efficiency maximum.The heat exchange efficiency of heat exchange element can reduce like this, and heat transfer effect is bad.
Utility model content
According to above-mentioned weak point, it is high that the purpose of this utility model is to provide a kind of heat exchange efficiency, the new blower fan of discontinuous fin separate heat pipe of good effect of heat exchange.
For achieving the above object, the technical solution of the utility model is: the new blower fan of a kind of discontinuous fin separate heat pipe, it comprises condenser and evaporimeter, condenser is positioned at evaporimeter top, the upper end of condenser is connected by vapor uptake with upper end of evaporator, the lower end of condenser is connected by condensate descending with the lower end of evaporimeter, the new wind air outlet of the exhaust outlet of condenser and evaporimeter is equipped with axial flow blower, the fin of condenser and evaporimeter is the staggered two parts in left and right, between two parts fin, pass through moulding by casting, and be welded into heat pipe monomer by aluminium flake, wherein, the more part of fin number is arranged at a side of air intake.
Preferably: described new wind air outlet place is provided with air processor.
Preferably: described air processor comprises be arranged side by side two independently air-treatment layers, and one of them air-treatment layer is provided with except wet granular, and another air-treatment layer is provided with purification particle.
Preferably: described air-treatment layer is made up of some little cylinder moulds, wherein, the minimum square hole catercorner length of the grid of little cylinder mould is less than the diameter of corresponding particle.
Preferably: the outside of two described air-treatment layers is provided with draw and insert-type lid end.
The beneficial effects of the utility model are: by the two-part structure that fin design is become to be crisscross arranged, can produce in fin staggered place the disorderly of wind and slow down wind speed, increase on the one hand turbulent heat transfer intensity, thereby enhanced heat exchange, finally make whole heat exchange element in not increasing metal consumption and heat exchange area, obtain better heat transfer effect; Thereby reduce on the other hand wind speed and increase heat-exchange time, therefore increased the heat exchange efficiency of air and working medium.The draw and insert-type air processor of settling at new wind air outlet, air processor comprises dehumidifying and two functions that purify air.The design of draw and insert-type can complete simply and easily the replacing of air processor and clean.Air-treatment can obviously reduce air humidity and purify air, and the lifting of IAQ is had to remarkable result.Especially in the winter time, the evaporator section of indoor hot air can being flowed through, the outdoor cold wind condensation segment of flowing through upgrades and improves room air in the situation that not changing indoor temperature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic perspective view of the present utility model.
Fig. 3 is the structural representation of fin in the utility model condenser.
Fig. 4 is the structural representation of fin in the utility model evaporimeter.
Fig. 5 is the assembled state figure of air processor of the present utility model.
Fig. 6 is the disassembled state figure of air processor of the present utility model.
In figure, 1-condenser; 2-evaporimeter; 3-vapor uptake; 4-condensate descending; 5-axial flow blower; 6-exhaust outlet; The new wind air outlet of 7-; 8-covers end; 9-air-treatment layer; 10-fin; 11-air processor.
The specific embodiment
The new blower fan of the discontinuous fin separate heat pipe of one as shown in Fig. 1-6, it comprises condenser 1 and evaporimeter 2, condenser 1 is positioned at evaporimeter 2 tops, the upper end of condenser 1 is connected by vapor uptake 3 with the upper end of evaporimeter 2, the lower end of condenser 1 is connected by condensate descending 4 with the lower end of evaporimeter 2, the new wind air outlet 7 of the exhaust outlet 6 of condenser 1 and evaporimeter 2 is equipped with axial flow blower 5, the fin 10 of condenser 1 and evaporimeter 2 is the staggered two parts in left and right, two parts fin 10 passes through moulding by casting, and is welded into heat pipe monomer by aluminium flake.Wherein, the more part of fin number is arranged at a side of air intake.Preferably, the staggered degree of two parts fin is 1/2nd positions that a part of fin is positioned at adjacent two spacings of fin of another part.Fin is crisscross arranged, and produces the disorderly of wind and slowed down wind speed in staggered place, increases on the one hand turbulent heat transfer intensity; Thereby reduce on the other hand wind speed and increase heat-exchange time, therefore increased the heat exchange efficiency of air and working medium.New wind air outlet 7 places are provided with air processor 11, and air processor 11 comprises two air-treatment layers 9 that are arranged side by side, and one of them air-treatment layer is provided with except wet granular, and another air-treatment layer is provided with purification particle.Air-treatment layer 9 is made up of some little cylinder moulds, and wherein, the minimum square hole catercorner length of the grid of little cylinder mould is less than the diameter of corresponding particle.Wherein, except wet granular is silica gel particle, the moist gas in can absorbed air, especially highlights its effect for plum rain season.Purification particle is bamboo charcoal particle, the harmful substance such as formaldehyde, sulfur dioxide in can absorbed air, and can discharge natural mineral matter, and can also damping antibacterial, deodorizing fungus-proof, purifies air.The both sides of two air-treatment layers are provided with draw and insert-type lid end 8, are convenient to dismounting to carry out the replacing of air-treatment material.
Complete equipment is made up of aluminium, heat pipe discontinuous fin used be mould fill form, be an entirety, switching performance is good, therefore heat exchange thermal resistance is little, heat exchange property is good, can alleviate the weight of equipment.In the middle of two-part fin heat pipe system, welded by aluminum strip.Because aluminium can generate incoagulable gas--hydrogen with water reaction, therefore the utility model material all passes through oxidation processes.The many factors such as applicability and stability of having considered phase-change heat-exchange ability, working medium, working medium is defined as distilled water.
Its intervening portion computing formula of the fin of evaporimeter and condenser is wherein, y is the distance of air intake porch to fin staggered place, m; D is the width between two fins, m; Δ p is pressure differential, Pa; α is thermal diffusivity, m 2/ s; μ is dynamic viscosity, Pas.
The utility model also provides the preparation method of the new blower fan of a kind of separate heat pipe, and its operating procedure is as follows: 1, the material of making heat pipe is all done to oxidation processes; 2, clean and make heat pipe material requested, thoroughly remove surperficial solid particle, oil stain and oxide; 3, by each material welding; 4, monomer heat pipe is hunted leak; 5, monomer heat pipe is connected into hot-pipe system, carry out system leak detection; 6, heat pipe vacuumizes, and does pressure and keeps experiment; 7, be filled with working medium.
The manufacturing process of heat pipe should be noted that it is compatibility and the maintenance of heat pipe pressure of working medium and tube body of heat pipe.In order to guarantee that tube body of heat pipe does not react with working medium, heat pipe is made material used and has all been done oxidation processes, and opposite heat tube will be managed inside and outside oven dry by vapours after cleaning again after welding, and the sealing of preferably 300K constant temp. drying box, and paper using, prevents inner residual welding thing.
Evaporating temperature >=30 ℃ of heat pipe model machine work, condensation temperature≤27 ℃, the minimum work temperature difference of heat pipe is 3 ℃, how to guarantee that heat pipe can evaporate under the temperature conditions of >=30 ℃ and is the key of prototype fabrication the temperature condensation of≤27 ℃.Wherein topmost is exactly to guarantee that heat pipe intraductal pressure keeps the pressure of designing requirement.Evaporating temperature is lower, and the required vacuum of inside heat pipe is higher.Table look-up to such an extent that water is 0.04865 × 10 at 30 ℃ of required pressure of evaporation 5pa is 0.0423 × 10 at 27 ℃ of required pressure of evaporation 5pa, heat pipe evaporating pressure need remain on 0.0423 × 10 5pa-0.04865 × 10 5pa.
In heat pipe manufacturing process, need to do for twice pressurization leak detection work:
1, the leak detection of monomer heat pipe: its method is the heat pipe monomer metallic plate after welding to be clamped to also machinery fix, and puts into water, connects the adapter of heat pipe one end with pressuring machine, and the other end is taken over good seal, then pressurizes and is no more than 2 times of heat pipe pressure-bearing; If there is bubble to produce in water, represent that welded seal is bad, to emitting bubble place to mark, and with the sealing of the encapsulant such as silica gel; If there is no Bubble formation, represent that heat pipe is air tight.Wherein, water temperature is 20-25 ℃.
2, the leak detection of hot-pipe system: its method, for taking over and house steward tightly welds each heat pipe, connects three-dimensional joint on condenser, one end with vacuumize adapter and be connected, vacuumize adapter and be connected with a vacuum valve, a termination vacuum meter on valve, another termination vavuum pump; The upper connecting tube of evaporimeter also connects vacuum meter; Total tube connector encases with heat insulation layer, and system connects takes out required vacuum afterwards with vavuum pump, screws immediately vacuum valve valve, within every 5 hours, observes vacuum meter reading; If more than 36 hours keep pressure constant, represent air tight; Otherwise, represent gas leakage, repeat hot-pipe system leak detection experiment.
Illustrate as an example of a new blower fan of discontinuous fin separate heat pipe example.
Air is under an atmospheric pressure, and setting indoor air temperature is 24 ℃, and now corresponding air thermal diffusion coefficient is 2.18 × 10 -5m 2/ s, dynamic viscosity is 1.8437 × 10 -5pas; Outside air temperature is 32 ℃, and now corresponding air thermal diffusion coefficient is 2.289 × 10 -5m 2/ s, dynamic viscosity is 1.8829 × 10 -5pas.Between evaporimeter and the fin of condenser, width is identical, is 2.26 × 10 -3m, it is 100m that length is 0.39m axial flow blower flow 3/ h, corresponding pressure is poor is 8Pa.Due to air physical property difference corresponding to different temperatures, so the intervening portion of evaporimeter and condenser is not identical, calculate by formula, condenser intervening portion y is 0.097m; And evaporimeter intervening portion y is 0.093m.
Heat recovery efficiency ε formula is:
ϵ = q act q max = T Ein - T Eout T out - T in × 100 %
In formula, q actactual heat exchange amount, q maxmaximum heat exchange amount, T einfor evaporator temperature, T eoutfor evaporator outlet temperature, T outfor air outdoor temperature, T infor air indoor temperature.Heat recovery efficiency equals the ratio of actual heat exchange amount and maximum heat exchange amount, because the flow of air is identical with specific heat capacity, so the ratio of actual heat exchange amount and maximum heat exchange amount equals the ratio of the evaporator inlet-outlet temperature difference and indoor/outdoor temperature-difference.Above-mentioned new blower fan keeps 24 ℃ of indoor temperatures in experimentation, 32 ℃ of outdoor temperatures, and its evaporimeter intervening portion is 0.093m, and condenser intervening portion is 0.097m, and heat pipe liquid filled ratio is 40%.Obtaining the evaporator inlet-outlet temperature difference by temperature sensor is 6.6 ℃, and indoor/outdoor temperature-difference is 8 ℃, and obtaining the now heat recovery efficiency of the new blower fan of discontinuous fin separate heat pipe by heat recovery efficiency formula is 82.5%.The heat recovery rate of the new blower fan of this discontinuous fin separate heat pipe is high.

Claims (5)

1.一种非连续翅片分离式热管新风机,它包括冷凝器(1)和蒸发器(2),冷凝器(1)位于蒸发器(2)上方,冷凝器(1)的上端与蒸发器(2)的上端通过蒸汽上升管(3)相连,冷凝器(1)的下端与蒸发器(2)的下端通过冷凝液下降管(4)相连,冷凝器(1)的排风口(6)和蒸发器(2)的新风送风口(7)均设有轴流风机(5),其特征在于:所述冷凝器(1)和蒸发器(2)的翅片(10)为左右交错排布的两部分,两部分翅片(10)通过浇注成型,并通过铝片焊接成热管单体,其中,翅片数目较多的一部分设置于进风的一侧。1. A non-continuous fin separation type heat pipe fresh air fan, which includes a condenser (1) and an evaporator (2), the condenser (1) is located above the evaporator (2), and the upper end of the condenser (1) is connected to the evaporator The upper end of the condenser (2) is connected through the steam ascending pipe (3), the lower end of the condenser (1) is connected with the lower end of the evaporator (2) through the condensate descending pipe (4), and the air outlet of the condenser (1) ( 6) and the fresh air outlet (7) of the evaporator (2) are equipped with an axial flow fan (5), which is characterized in that: the fins (10) of the condenser (1) and the evaporator (2) are left and right The two parts arranged alternately, the two parts of fins (10) are formed by casting and welded by aluminum sheets to form a single heat pipe, wherein the part with more fins is arranged on the side of the air inlet. 2.按照权利要求1所述的非连续翅片分离式热管新风机,其特征在于:所述的新风送风口(7)处设有空气处理装置(11)。2. The non-continuous fin separated heat pipe fresh air blower according to claim 1, characterized in that: the fresh air supply port (7) is provided with an air treatment device (11). 3.按照权利要求2所述的非连续翅片分离式热管新风机,其特征在于:所述的空气处理装置(11)包括并排设置的两个独立的空气处理层(9),其中一个空气处理层设有除湿颗粒,另一个空气处理层设有净化颗粒。3. The non-continuous fin separated heat pipe fresh air blower according to claim 2, characterized in that: the air treatment device (11) includes two independent air treatment layers (9) arranged side by side, one of which is air The treatment layer is provided with dehumidification particles, and the other air treatment layer is provided with purification particles. 4.按照权利要求3所述的非连续翅片分离式热管新风机,其特征在于:所述的空气处理层(9)由若干小网笼组成,其中,小网笼的网格的最小方孔对角线长度小于对应颗粒的直径。4. The non-continuous fin separated heat pipe fresh air blower according to claim 3, characterized in that: the air treatment layer (9) is composed of several small mesh cages, wherein the smallest square of the mesh of the small mesh cages The pore diagonal length is smaller than the diameter of the corresponding particle. 5.按照权利要求3或4所述的非连续翅片分离式热管新风机,其特征在于:所述的两个空气处理层(9)的外侧设有抽插式盖端(8)。5. The non-continuous fin separated heat pipe fresh air blower according to claim 3 or 4, characterized in that: the outside of the two air treatment layers (9) is provided with a plug-in cover end (8).
CN201420043102.7U 2014-01-23 2014-01-23 Discontinuous-fin separating type heat tube fresh air machine Expired - Fee Related CN203704220U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743021A (en) * 2014-01-23 2014-04-23 中国石油大学(华东) Discontinuous fin-separated heat pipe new fan and production method thereof
CN110578970A (en) * 2019-09-19 2019-12-17 海信(山东)空调有限公司 indoor air conditioner
CN113834210A (en) * 2021-09-02 2021-12-24 珠海格力电器股份有限公司 Air conditioner
WO2024109450A1 (en) * 2022-11-23 2024-05-30 无锡小天鹅电器有限公司 Clothes treatment device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743021A (en) * 2014-01-23 2014-04-23 中国石油大学(华东) Discontinuous fin-separated heat pipe new fan and production method thereof
CN103743021B (en) * 2014-01-23 2016-01-13 中国石油大学(华东) Discontinuous fin separated heat pipe fresh air blower and preparation method thereof
CN110578970A (en) * 2019-09-19 2019-12-17 海信(山东)空调有限公司 indoor air conditioner
CN113834210A (en) * 2021-09-02 2021-12-24 珠海格力电器股份有限公司 Air conditioner
WO2024109450A1 (en) * 2022-11-23 2024-05-30 无锡小天鹅电器有限公司 Clothes treatment device

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Granted publication date: 20140709

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