CN2639832Y - Condenser of finless bare refrigerant coil - Google Patents

Condenser of finless bare refrigerant coil Download PDF

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Publication number
CN2639832Y
CN2639832Y CN 03276379 CN03276379U CN2639832Y CN 2639832 Y CN2639832 Y CN 2639832Y CN 03276379 CN03276379 CN 03276379 CN 03276379 U CN03276379 U CN 03276379U CN 2639832 Y CN2639832 Y CN 2639832Y
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China
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condenser
fin
coil pipe
refrigerant
water
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Expired - Fee Related
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CN 03276379
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Chinese (zh)
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吴和信
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HEXIN INTERNATIONAL Ltd
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HEXIN INTERNATIONAL Ltd
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Abstract

The utility model relates to an evaporator condenser of a bare metal coil without rectangular fin, in particular to a condenser which employs a streamlined section pipe as the refrigerant coil. The condenser mainly employs a group of streamlined section pipes as the refrigerant coil and a fan system of water supply so that the wind can go from the large head to the tail which is streamlinedly dwindled along the side of the streamlined pipe. Thus the speed of non-special wind on the surface of the dwindled part becomes high and the lateral negative pressure are produced on the surface of the pipe so that the speed of evaporation in normal temperature of the water-film which is on the surface of the pipe accelerates to absorb the latent heat of evaporation in large amount. So the refrigerant temperature can be reduced greatly without employing rectangular fin to expand the exothermic area in order to liquefy in critical pressure which is relatively low. Thus, the high EER function of the evaporator cooling system can be played fully, and the scale accumulation in the rectangular fins in the condenser with rectangular fin and the corrosion problem can be solved thoroughly.

Description

The condenser of the naked refrigerant coil pipe of no fin
Technical field
The utility model relates to a kind ofly not to be had fin and makes the condenser of refrigerant coil pipe with streamlined section pipe, refers to especially a kind ofly not have a fin and adopt the evaporative condenser of naked pipe design.
Background technology
Cold air has become one of critical facility indispensable in the modern life, but for saving the energy, the demand that improves air conditioner EER is grown with each passing day, designer and manufacturer are all as target, be by ventilation type, water-cooled and then develop to vaporation-type, yet with so-called vaporation-type common in the present city, generally all do not break away from ventilation type, water-cooled nest mortar, one is known as the vaporation-type air conditioner, it often is ventilation type, the composite type of water-cooled and vaporation-type, the shared deal of its evaporation effect is very little, so attend trifles and neglect essentials, set about on foot and the birth of scroll compressor is arranged, the main cause place that the person that but do not know to be known as the vaporation-type can not significantly bring into play evaporation performance with the compressor of development power saving.
The evaporative condenser development so far, have high efficiency person's representative and have two: No. the 087213097th, Taiwan patent, this patent mainly is at the outside hygroscopic material that coats of refrigerant coil pipe, this hygroscopic material of nationality is drawn evaporative cooling water, increase the interactive time between this moisture and coil pipe, and feedwater can fully be evaporated.
Moreover, No. the 089219201st, Taiwan patent, this patent main body mainly is mat such as air-cooled fin structure, increases indirect area of dissipation by fin.
But though the appearance of evaporative condenser is for a long time, the condenser of aforementioned dual mode also shows good high EER value, the evaporative condenser penetration and promotion of always can't breaking a deadlock, and its main cause is exactly to be follow-up maintenance issues.
Because the principle of vaporation-type mainly is to utilize to feed water in the refrigerant tube-surface, must absorb the principle of 539 card evaporation latent heats when utilizing 1 g of water to vaporize fully, significantly to improve its cooling effectiveness.
Right because the non-pure H2O of condensed water that is provided, but running water, therefore wherein contain metallic salt and impurity, in heat exchanging process, after H2O absorbs the heat vaporization, to make these metallic salts deposit on refrigerant pipes and the fin, form so-called incrustation scale, make that not only condensation effect significantly reduces, and can shorten life-span of refrigerant coil pipe and fin, and the mode of especially aforementioned coating hygroscopic material, its incrustation scale will make the hygroscopic material sclerosis, problem is even more serious, and aforementioned employing fin type design, in order to keep high EER usefulness, the spacing of fin is generally about about 13 slices/cun, and when on fin and coil pipe, forming incrustation scale, though can adopt sour agent to remove, but, therefore be very difficult to thorough removing because fin pitch is minimum, and because fin pitch is minimum so the very difficult opportunity of grasping removing with range estimation, if but excessively clean, then can undermine the metal material of fin and coil pipe again, on the follow-up maintenance cleaning, be exceedingly difficult therefore.
No. 73202991 patent in Taiwan, though this case proposes a kind of streamlined radiating tube, so in fact do not propose the road of a concrete enforcement, more fail to propose not use the characteristics of fin, so far nearly two also unmanned during the decade can use or develop the effective embodiment of a cover reality.
The design people is to be engaged in the cold air circle experience of ten several years, the main cause that discovery fails to bring into play evaporation effect has two: one, fail to use aerodynamic principle, and continue to use traditional round section pipe and make the refrigerant coil pipe, make the moisture film on coil pipe surface itself can't produce complete evaporation, all rely on fin.They are two years old, owing to excessively be dependent on fin, to increase fin density, the spacing of dwindling between fin is means, generally adopts every cun 13 (spacing is 2.0mm), also having increases the fin area of dissipation and adopts every cun 17 (spacing is 1.5mm), it is not two-layer moisture film and form the whole piece tank that its result causes between two fins, makes moisture content not have evaporating space at all, is 100% water-cooled and become, and make the easier accumulation of incrustation scale and produce corrosion, problem is even more serious.
The utility model designer thinks and improved thinking, expectation is still by the utilization aerodynamic principle, study streamlined radiating tube in the evaporative condenser system, develop a cover and can solve the scheme of biggest obstacle one incrustation scale problem on the present evaporative condenser development history.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of condenser that uses the naked refrigerant coil pipe of no fin of streamlined section, evaporative heat loss based on coil pipe itself, break traditions, fully fin need not be set, with the thorough solution incrustation scale problem of evaporative condenser for a long time.
The technical solution of the utility model is: a kind of condenser that does not have the naked refrigerant coil pipe of fin, and it comprises:
One condensation main body comprises that plural layer laterally is arranged in the streamlined section refrigerant pipe coil pipe group between two metallic plates, and wherein this streamlined section refrigerant pipe has an enlarged head and an afterbody; And
One water system, in this refrigerant tube-surface water membrane is set, one ventilating fan produces the ventilating fan that air communication is crossed the air duct of this heat exchanger for it, the streamlined section refrigerant pipe that this streamlined section refrigerant Guan Weike can skim over wind-force according to the afterbody that the arrogant head of streamlined tube wall dwindles to streamline.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this streamlined section refrigerant pipe is by two oval compositions.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, the cold coal pipe of this streamlined section afterbody has more an empennage.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, wherein: this water system comprises:
A plurality of wetting these coil surface of water smoke with high pressure ejection give water nozzle;
One in order to accept the drip pan through the surplus water after the heat exchange on this condensation main body, is positioned at the below of condensation main body; And
One makes the residue water droplet return the tank that enters behind this drip pan wherein, and this tank is provided with one and supplies with the water pump of the high pressure at this fog-spray nozzle water source, and is provided with one and obtains the ball float water intaking valve of supplementing water by a running water pipe.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above should be arranged at this condensation main body below in order to the fog-spray nozzle that upwards sprays water smoke.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this condensation main body are the coil pipe group of a basin shape, and wherein the enlarged head of this streamlined section refrigerant pipe down.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above is somebody's turn to do the top opening part that be located at the condensation main body in order to the ventilating fan of updraft discharge water steam, air and heat.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this ventilating fan below is provided with one makes unnecessary water smoke aqueous vapor separating layer separated from the gas.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above should be arranged at this condensation main body top in order to the fog-spray nozzle of downward sprinkling water smoke.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this condensation main body are the coil pipe group of a basin shape, and wherein the enlarged head of this streamlined section refrigerant pipe up.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this ventilating fan are located at the top opening part of condensation main body, and it is the bottom blowing type fan.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this condensation main body below is provided with one makes unnecessary water smoke aqueous vapor separating layer separated from the gas.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this fog-spray nozzle is located between this coil pipe.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this condensation main body below, this drip pan top is provided with one and makes surplus water after this condensation main body heat exchange carry out splashing into after the heat exchange cooling surplus water in this drip pan via this cooling layer and this air earlier to lower the temperature layer again.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this cooling layer includes a plurality of plastic cement fins.
The condenser that does not have the naked refrigerant coil pipe of fin as mentioned above, this plastic cement fin has rough surface.
Characteristics of the present utility model and advantage are: the condenser of the naked refrigerant coil pipe of no fin that the utility model proposes, it uses streamlined section copper pipe to make the refrigerant coil pipe, constitute the evaporative condenser of the naked metal coil pipe of no fin, making wind-force follow tube wall according to streamline skims over to the full surface of afterbody that streamline dwindles from enlarged head, dwindle at streamline that the non-special wind speed in portion surface accelerates and produce side (horizontal stroke) to negative pressure at tube wall surface, make the film force of tube wall surface quicken to do constant-temperature evaporation, a large amount of evaporation latent heats that absorb, make and to adopt fin increase area of dissipation can significantly reduce refrigerant temperature so that under lower critical pressure, can liquefy, give full play to the function of the high EER of evaporating type cooling system, and thoroughly solve build-up of limescale between fin type condenser fin and the etching problem that causes thereof.
The condenser of the naked refrigerant coil pipe of no fin of the present utility model still comprises a water supply system and fan except that the refrigerant coil pipe that uses streamlined section.
Description of drawings
Figure 1A and 1B are that wind-force is blown over round section pipe and blown over the comparison schematic diagram of the air-flow situation of streamlined section pipe;
Fig. 2 is the streamlined refrigerant pipe one embodiment sectional view of the utility model;
Fig. 3 is another embodiment sectional view of the streamlined refrigerant pipe of the utility model;
Fig. 4 is the another embodiment sectional view of the streamlined refrigerant pipe of the utility model;
Fig. 5 is the utility model evaporative condenser body one embodiment stereogram;
Fig. 6 and 6A are the front schematic view and the schematic side view of the utility model one system embodiment;
Fig. 7 and 7A are the front schematic view and the schematic side view of another system embodiment of the utility model;
Fig. 8 is the schematic side view of the another system embodiment of the utility model.
The drawing reference numeral explanation:
100, condenser body 110,110 ', circular section pipe 120,120 ', streamlined section pipe
122, empennage 124, streamlined section coil pipe group 130, metallic plate
201,301, the streamlined coil pipe group 202,302 of basin shape, fog-spray nozzle
203,303, ventilating fan 204,304, aqueous vapor separating layer 205, shutter
206, drip pan 207, tank 209, cooling layer
210, air stream casing
The specific embodiment
Shown in Figure 1A and 1B, at first, from the difference of aerodynamic principle explanation round tube M streamline tube.
Shown in Figure 1A, when wind-force W blew over a circular section pipe 110, wind-force passed through diameter DD ' back to F and F ' along tube wall, is in line then and advances, and wherein on the FF ' cambered surface of pipe rear end, no wind-force is blown over, and loses the film-cooled heat of about circumference 1/3.And the space at FF ' arc rear produces parital vacuum and generates whirlpool C and cause turbulent flow, slows down wind speed backward, has weakened rear of tube 110 ' refrigerating function.
See Figure 1B again, compare with Figure 1A, show among the figure that working as air-flow W laterally blows to streamlined section pipe 120 end A points, air-flow W divides to both sides, along behind the maximum dimension D D ' of cambered surface by streamlined head, cross the characteristic of ichthyoid according to the air force air communication, air-flow W can not leave the cambered surface of streamlined back segment, certain long arc face along its back segment, the E point that flows to its rear end along cambered surface is joined, and eliminates the loss of about 1/3rd evaporating surfaces among Figure 1A, again because of converging again behind the also suitable cambered surface arrival of air-flow W lease making streamline section its rear end E point, can not produce the turbulent region at E point rear, unlikely its cooling effect of windage that weakens air-flow W to rear disc pipe 120 '.And, according to aerodynamic principle, when air-flow W flows through the second half section DE cambered surface of streamline section, its flow velocity is accelerated, and because the quickening of this flow velocity can produce the lateral pressure PN (Negative sidepressure) of a negative to this DE cambered surface section, (annotate: this kind minus side is pressed and is the source that makes the lifting force lift that aircraft can go up to the air), this quickens all evaporation rate of moisture film under normal temperature low pressure on the riser wall surface significantly of air-flow and negative pressure P, make cooling effect multiplication of the present utility model, its evaporative heat loss effect can reach more than a times of round tube in theory.
Please referring to Fig. 2, be shown as the cross section of the streamline section pipe of the utility model preferred embodiment employing among the figure, the formation of its streamlined cambered surface relates to higher mathematics complex function (Complex Variable) by Z plane (X, Y) circle in is transferred to W plane (U, V) the fairshaped high little long-pending equation in, can't also need not introduce in detail in this, in fact, can select for use two different half elliptics of width equal length to be put together.
But its major parameter is the ratio of fairshaped major diameter L and minor axis T among the figure, and big more then its air resistance coefficient of this ratio is more little, and then its cooling effect is high more for the utility model.But the copper pipe material increases, and the construction of formed by extrusion and tension (Extrusion) is difficulty comparatively also, and the frictional force of refrigerant and tube wall increases in the pipe, and through experiment confirm repeatedly, the ratio of the line of apsides is the preferred range of this case enforcement between 1.15 and 1.25.
And front-end A is put the radius that should be slightly larger than minor axis T to the distance A O of line of apsides intersection point O, be that the AO line segment is slightly larger than T/2, the ratio of the length of AO line segment and minor axis T is between 0.53-0.7 when the above-mentioned line of apsides ratio preferred range of the utility model, i.e. 0.53<AO line segment/T<0.7.
The actual parameter that preferred embodiment is adopted among Fig. 3 is L/T=1.8, AO line segment/T=0.55, and above yardstick only provides the scope of preferred embodiment, is not to set restriction, if because of actual conditions need, from adopting other greater or lesser ratio.
In addition, please join Fig. 4, the streamlined refrigerant Guan Gengke of this case sets up an empennage 122 at afterbody, to increase radiating surface under the prerequisite that does not influence air-flow.
Please referring to Fig. 5, showing the basic model body of the utility model evaporative condenser body 100, is four drain wire type profile coil pipe groups 124 among the figure, and it is formed by the streamlined section refrigerant pipe 120 that plural layer laterally is arranged in 130 of two metallic plates.Wind direction when wherein the gradient of each streamlined section pipe 120 can be according to actual design and adjusting, and each streamlined section pipe 120 is formed with an afterbody and an enlarged head by two oval compositions.
For making evaporative condenser of the present utility model reach best effect, the water system of the streamlined section refrigerant of collocation this case coil pipe, preferably adopt no stamping press formula water supply modes, just can go downstream when making water on streamlined section refrigerant coil pipe, only have gravity to surpass skin-friction force, increase the time that moisture content stays on coil pipe, under wind-force is blown over, make constant-temperature evaporation and have, thereby more can effectively absorb the heat of cold coal pipe than time enough.
Please referring to Fig. 6 and 6A, a display application system embodiment of the present utility model, Fig. 6 is a front schematic view by the evaporative condenser of below water supply modes, Fig. 6 A is its schematic side view, the streamlined coil pipe group 201 of a basin shape among the figure, compose in parallel by some groups of coil pipes, every its fairshaped enlarged head of coil pipe down, the water smoke of meeting a plurality of fog-spray nozzles 202 upwards to spray with high pressure, surface with wetting each coil pipe, a ventilating fan 203 updrafts of opening part above being located at by one simultaneously, the shutter 205 of air around air stream casing 210 hypomeres enters and upwards blows, and when wind-force skims over every streamlined pipe of coil pipe group 201, tube-surface made low pressure constant-temperature evaporation fast with the wetting moisture of atomized water spray, so circulation endlessly, absorb a large amount of heat of evaporations significantly to reduce refrigerant temperature in the coil pipe 201, make under lower critical pressure and can condense into liquid, needn't use high pressure, save the consumed energy of compressor, to reach high EER purpose.Ventilating fan 203 updrafts are with discharge water steam, air and heat, the aqueous vapor separating layer 204 that constitutes through one deck sheet earlier before discharging again, unnecessary water smoke is separated with gas (air and steam) at this, form the surplus water of little water droplet on coil pipe 201 and enter in the tank 207 earlier, also make that water smoke is unlikely to spray in the air while through dripping back the drip pan 206 of bottom behind row's cooling layer 209.The little water pump (not shown) of tank 207 mats one high pressure is supplied with the water source of fog-spray nozzle 202, and mat one ball float water intaking valve (not shown) is obtained supplementing water by a running water pipe, and make the water surface (amount) that maintenance one is fixed in the groove, make and finish a complete periodical feeding and a replenishment system.
In the present embodiment, because surplus water will drip in the return flume 207 and recycle, therefore for avoiding the circulative accumulation temperature rise, cooling layer 209 is to utilize a plastic removal glue fin to form, has rough surface on the plastic cement fin, use and slow down the speed that surplus water drips, and carry out heat exchange and then reduce water temperature with air.
See also Fig. 7 and 7A again, another is suitable for the preferred embodiment of the large-scale outdoor condenser of large-scale central cold gas system to be shown as the utility model.Be shown as a following spray among the figure, opposite with Fig. 6 direction, the enlarged head of every streamlined pipe is upwards met the fog-spray nozzle 302 downward water smokes that spray and wetting its surface in the streamlined coil pipe group 301 of a group, a plurality of bottom blowing type fans 303, to canyon, air-flow skims over the surface of wetting streamlined coil pipe 301, make moisture film wetting on the coil pipe 301 make the constant-temperature evaporation that quickens, the steam that blows downwards, wind and heat, via a gas-water separation layer 304, make gas and heat the big neutral gear between four corner brackets to around discharge in atmosphere, make remaining water droplet fall to drip pan 206 and the water leg 207 that arrives, water leg 207 is supplied with recirculated water with aforementioned (as shown in Figure 6) the same manner.Because the outer machine of the formula of large-scale center system is located at the roof more, the unlikely living environment that influences, so its heat and gas can be by dischargings around lower, the outer machine of the formula of small-sized (10 tons, 20 tons) all is arranged on the outer courtyard of wall etc. and locates, so upwards to blow discharging waste gas and heat mode is good, just is unlikely to influence living environment.This is the different difference of the two use occasion.
Moreover, recycle the problem of accumulation temperature rise if consider surplus water, gas-water separation layer 304 can be formed by a plastic removal glue fin, has rough surface on the plastic cement fin, remove and have the cohesion of making water smoke, and make unnecessary water smoke this with effect that gas (air and steam) separates outside, still have and slow down drip speed and carry out the cooling effect that heat exchange reduces water temperature of surplus water with air.That is to say that gas-water separation layer 304 also can be used as surplus water cooling layer simultaneously.
See also Fig. 8 at last, it is to be located at layering feedwater between coil pipe for water nozzle 202, so that coil pipe is all formed moisture film, improvement is by last or by down unified feedwater, makes far-end coil pipe group be subjected to the water yield less even do not have moisture film and form the shortcoming that causes rate of heat exchange to descend, and because layering feedwater, therefore non-unification, can reduce and improve the cooling water accumulation and heat up by last trickle or by spraying water down.
The foregoing description only is to give an example for convenience of description, and the interest field that the utility model is advocated be from should being as the criterion so that claims are described, and its identical or approximate construction all should be category of the present utility model such as, but not only limits to the foregoing description.

Claims (16)

1. condenser that does not have the naked refrigerant coil pipe of fin is characterized in that: comprise:
One condensation main body comprises that plural layer laterally is arranged in the streamlined section refrigerant pipe coil pipe group between two metallic plates, and wherein this streamlined section refrigerant pipe has an enlarged head and an afterbody; And
One water system, in this refrigerant tube-surface water membrane is set, one ventilating fan produces the ventilating fan that air communication is crossed the air duct of this heat exchanger for it, the streamlined section refrigerant pipe that this streamlined section refrigerant Guan Weike can skim over wind-force according to the afterbody that the arrogant head of streamlined tube wall dwindles to streamline.
2. do not have the condenser of the naked refrigerant coil pipe of fin according to claim 1, it is characterized in that: this streamlined section refrigerant pipe is by two oval compositions.
3. do not have the condenser of the naked refrigerant coil pipe of fin according to claim 1, it is characterized in that: the cold coal pipe of this streamlined section afterbody has more an empennage.
4. do not have the condenser of the naked refrigerant coil pipe of fin according to claim 1, it is characterized in that: this water system comprises:
A plurality of wetting these coil surface of water smoke with high pressure ejection give water nozzle;
One in order to accept the drip pan through the surplus water after the heat exchange on this condensation main body, is positioned at the below of condensation main body; And
One makes the residue water droplet return the tank that enters behind this drip pan wherein, and this tank is provided with one and supplies with the water pump of the high pressure at this fog-spray nozzle water source, and is provided with one and obtains the ball float water intaking valve of supplementing water by a running water pipe.
5. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 4, it is characterized in that: should be arranged at this condensation main body below in order to the fog-spray nozzle that upwards sprays water smoke.
6. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 5, it is characterized in that: this condensation main body is the coil pipe group of a basin shape, and wherein the enlarged head of this streamlined section refrigerant pipe down.
7. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 5, it is characterized in that: the top opening part that should be located at the condensation main body in order to the ventilating fan of updraft discharge water steam, air and heat.
8. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 7, it is characterized in that: this ventilating fan below is provided with one makes unnecessary water smoke aqueous vapor separating layer separated from the gas.
9. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 4, it is characterized in that: should be arranged at this condensation main body top in order to fog-spray nozzle of downward sprinkling water smoke.
10, as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 9, it is characterized in that: this condensation main body is the coil pipe group of a basin shape, and wherein the enlarged head of this streamlined section refrigerant pipe up.
11, as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 9, it is characterized in that: this ventilating fan is located at the top opening part of condensation main body, and it is the bottom blowing type fan.
12. the condenser as the naked refrigerant coil pipe of no fin as described in the claim 11 is characterized in that: this condensation main body below is provided with one makes unnecessary water smoke aqueous vapor separating layer separated from the gas.
13. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 4, it is characterized in that: this fog-spray nozzle is located between this coil pipe.
14. condenser as the naked refrigerant coil pipe of no fin as described in the claim 4, it is characterized in that: this condensation main body below, this drip pan top is provided with one and makes surplus water after this condensation main body heat exchange carry out splashing into after the heat exchange cooling surplus water in this drip pan via this cooling layer and this air earlier to lower the temperature layer again.
15. the condenser as the naked refrigerant coil pipe of no fin as described in the claim 14 is characterized in that: this cooling layer includes a plurality of plastic cement fins.
16. as the condenser of the naked refrigerant coil pipe of no fin as described in the claim 15, it is characterized in that: this plastic cement fin has rough surface.
CN 03276379 2003-08-18 2003-08-18 Condenser of finless bare refrigerant coil Expired - Fee Related CN2639832Y (en)

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CN 03276379 CN2639832Y (en) 2003-08-18 2003-08-18 Condenser of finless bare refrigerant coil

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Application Number Priority Date Filing Date Title
CN 03276379 CN2639832Y (en) 2003-08-18 2003-08-18 Condenser of finless bare refrigerant coil

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100453950C (en) * 2005-02-16 2009-01-21 吕学能 Vortex cold medium coiler and fin-free condenser
CN104344534A (en) * 2013-07-23 2015-02-11 上海科泰运输制冷设备有限公司 Air conditioner coil pipe which can reduce noises by means of streamline section
CN111792684A (en) * 2020-05-19 2020-10-20 东南大学 An all-glass tube MVC low-solubility sewage evaporative condensation purification system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100453950C (en) * 2005-02-16 2009-01-21 吕学能 Vortex cold medium coiler and fin-free condenser
CN104344534A (en) * 2013-07-23 2015-02-11 上海科泰运输制冷设备有限公司 Air conditioner coil pipe which can reduce noises by means of streamline section
CN111792684A (en) * 2020-05-19 2020-10-20 东南大学 An all-glass tube MVC low-solubility sewage evaporative condensation purification system
CN111792684B (en) * 2020-05-19 2022-05-10 东南大学 Low solubility sewage evaporation condensation clean system of full glass pipe MVC

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