KR0159613B1 - Heat exchanger fin and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a conductive fin for a heat exchanger and a method for manufacturing the same, the object of which is to prevent mold growth and discoloration by preventing sterilization of bacteria that cause severe odors and harm health.

The conductive fin for heat exchanger according to the present invention is a conductive pin made of a metal, such as aluminum or high thermal conductivity, and a corrosion-resistant layer made of an acrylic coating film applied to the outer surface of the conductive pin to prevent corrosion of the conductive pin, In the conductive fin for heat exchangers composed of a hydrophilic layer made of a silicone coating or a cellulose [(C ₆ H ₁₀ O ₅ ) _n ] coating is applied to the outer surface of the corrosion resistant layer to improve the hydrophilicity, Heavy metal ions of silver (Ag ⁺ ), mercury (Hg ⁺ ), copper (Cu ⁺ ), copper (Cu ⁺⁺ ), zinc (Zn ⁺⁺ ), and gold (Au ⁺⁺ ) to sterilize Any of the heavy metal ions ionized with titanium phosphate (Ti ₂ (PO ₄ ) _n ) -based glass, tritium silver titanate [Ag (Ti ₂ (PO ₄ ) ₃ )], tritium phosphate mercury [Ag (Ti ₂ ( PO ₄ ) ₃ ], Itanium copper triphosphate [Cu (Ti ₂ (PO ₄ ) ₃ )], Itsium titanate copper [Cu (Ti ₂ (PO ₄ ) ₃ ], Issam The compound of any one of the yiitanium zinc phosphate [Zn (Ti ₂ (PO ₄ ) ₃ )], the dibasic phosphate yittan gold [Au (Ti ₂ (PO ₄ ) ₃ ]], the manufacturing method of the conductive fin for heat exchanger In the method of manufacturing a conductive fin for a heat exchanger to produce a conductive fin by applying a hydrophilic layer mixed with a corrosion resistant layer and a sterilization means on the outer surface of the conductive fin, the step of being wound continuously by the unwinding and winding machine And a corrosion resistant layer coating step of applying, as a plurality of rollers, the corrosion resistant layer paint contained in the container on both sides of the conductive pin released from the unwinding machine by the step; and the corrosion resistant layer coating applied by the corrosion resistant layer coating step. A hydrophilic layer coating step of applying, as a plurality of rollers, a drying step of drying the product as a dryer, and a hydrophilic layer paint mixed with sterilizing means contained in a container on the outer surface of the corrosion resistant layer dried by the drying step; A hydrophilic layer made of the coating material applied by aqueous layer coating step to the drying step for drying a dryer.

Description

Conduction pins for heat exchanger and its manufacturing method

1 is a cross-sectional view of a conductive pin showing the structure of a general conductive pin.

2 is a view showing a structure of a conductive pin according to the present invention.

3 is a flow chart showing the manufacturing process of the conductive fin for the heat exchanger according to the present invention.

4 is a view showing the application process of the conductive pin according to the present invention.

5 is a perspective view showing a heat exchanger employing a conductive fin according to the present invention.

6 is a view showing a refrigeration cycle of an air conditioner employing a conductive pin according to the present invention.

* Explanation of symbols for main parts of the drawings

11: conductive pin 12: corrosion resistant layer

13: hydrophilic layer

The present invention relates to a conduction pin for heat exchangers, and more particularly, to a heat exchanger conduction pin and a method for manufacturing the same, which sterilize bacteria deposited on the surface of the conduction fin to prevent odors.

As shown in FIG. 1, the conductive fins used in the heat exchanger of the conventional refrigeration cycle are provided with a conductive fin 11 having good thermal conductivity, and the outer surface of the conductive fin 11 is provided with corrosion of the conductive fin 11 and the like. In order to prevent this, an acrylic coating film 12 'is formed, and on the outer surface of the acrylic coating film 12', a silicon coating film 13 'or a cellulose coating film 13' for improving the hydrophilicity of the conductive fin 11 is provided. By applying, the conductive pin 11 is constituted.

The heat exchanger is constituted by passing through the plurality of conductive pins stacked in multiple layers through a plurality of refrigerant pipes and used as an evaporator or a condenser of the refrigeration cycle. However, due to the temperature difference between the heat exchanger and the outside air during heat exchange, water is condensed and deposited on the conduction pins. Such water is generated on all the conduction fins of the heat exchanger, and because of the water, bacteria grow on the conduction fins. In addition, since dust in the air is easily deposited on the conductive pins by the surface tension of the water, the outer surface of the conductive pins is contaminated, and bacteria have a problem of easily propagating in the conductive pins. As the surface of the conduction fin is decayed by the bacteria propagating in water and dust, a severe odor is generated in the heat exchanger, and the odor is spread in the refrigerator or in the space.

In particular, the air conditioner has a problem that not only displeases the user, but also adversely affects the human body by odor and bacteria are discharged together with the air conditioning.

Therefore, the present invention is to solve the above problems, and an object of the present invention is to prevent the growth and discoloration at the same time to prevent fungal growth and discoloration by sterilizing bacteria causing severe odor and adversely affects the health and It is to provide a manufacturing method.

The conductive fin for heat exchanger according to the present invention for achieving the above object is a conductive pin made of a metal, such as aluminum or high thermal conductivity, and an acrylic coating film applied to the outer surface of the conductive pin to prevent corrosion of the conductive pin. In the conductive pin for a heat exchanger consisting of a hydrophilic layer consisting of a corrosion resistant layer consisting of a silicon coating or a cellulose [(C ₆ H ₁₀ O ₅ ) _n ] coating is applied to the outer surface of the corrosion resistant layer to improve the hydrophilicity, In the hydrophilic layer, silver (Ag ⁺ ), mercury (Hg ⁺ ), copper (Cu ⁺ ), copper (Cu ⁺⁺ ), zinc (Zn ⁺⁺ ), and gold (Au) to sterilize bacteria to prevent the occurrence of odors. ⁺⁺ ) trititanium silver phosphate [Ag (Ti ₂ (PO ₄ ) ₃ )] or tritium mercury phosphate, wherein any of the heavy metal ions is ion-bonded with titanium phosphate (Ti ₂ (PO ₄ ) _n ) -based glass _{[Ag (Ti 2 (PO 4} ) 3], triphosphate ET burnt copper _{[Cu (Ti 2 (PO 4} ) 3)], two or three phosphate ET Copper _{[Cu (Ti 2 (PO 4} ) 3], two or three phosphoric this titanium zinc _{[Zn (Ti 2 (PO 4} ) 3)], two or three phosphoric this titanium gold _{[Au (Ti 2 (PO 4} ) 3] by any of a It is characterized by containing a compound.

The method of manufacturing a conductive fin for a heat exchanger is a method of manufacturing a conductive fin for a heat exchanger in which a hydrophilic layer of a corrosion resistant layer and a sterilizing means is coated on an outer surface of the conductive fin to produce a conductive fin. A step of being wound continuously by a machine, a step of applying a layer of anti-corrosive paint contained in a container to a plurality of rollers on both sides of the conductive pin released from the unwinding machine by the step; A hydrophilic layer for applying as a plurality of rollers a hydrophilic layer coating in which a drying step of drying the corrosion resistant layer diagram applied by the step as a dryer and a sterilization means contained in a container are mixed on the outer surface of the corrosion resistant layer dried by the drying step. A layer coating step and a drying step for drying the hydrophilic layer coating applied by the hydrophilic layer coating step as a dryer Gong.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the conductive fin for the heat exchanger according to the present invention and its manufacturing method.

First, heavy metal ions such as anions have an antimicrobial action that penetrates into the colony by catalysis and cause sterilization by shrinking and disinfecting bacterial proteins, and have no toxicity to the human body. The present invention is implemented by sterilizing bacteria deposited on the conductive pins with heavy metal ions by containing the sterilization means consisting of the heavy metal ions in the conductive pins.

As shown in FIG. 2, the conductive fins for heat exchangers according to the present invention are applied to the conductive fins 11 having high thermal conductivity and the outer surfaces of the conductive fins 11 to prevent corrosion of the conductive fins 11. It consists of the layer 12 and the hydrophilic layer 13 which is apply | coated to the outer surface of this corrosion resistant layer 12, and improves hydrophilicity. The hydrophilic layer 13 is provided with sterilization means for sterilizing bacteria.

In addition, the conductive fin 11 is made of a high thermal conductivity aluminum or equivalent metal, the corrosion-resistant layer 12 is made of an acrylic coating, the hydrophilic layer 13 is a silicon coating or cellulose [(C ₆ H ₁₀ O ₅ ) _n ] coating.

Sterilization means is a heavy metal ion supported on the hydrophilic layer 13, the heavy metal ion is made by ion bonding to titanium phosphate (Ti ₂ (PO ₄ ) _n ) -based glass. That is, any heavy metal ion of silver (Ag ⁺ ), mercury (Hg ⁺ ), copper (Cu ⁺ ), copper (Cu ⁺⁺ ), zinc (Zn ⁺⁺ ), gold (Au ⁺⁺ ) titanium _{(Ti 2 (PO 4) n} ) based combined glass and ion triphosphate ET Tan _{[Ag (Ti 2 (PO 4} ) 3)], triphosphate ET burnt mercury _{[Ag (Ti 2 (PO 4} ) 3], triphosphate Yittan copper [Cu (Ti ₂ (PO ₄ ) ₃ )], Itsium triphosphate Ititanium copper [Cu (Ti ₂ (PO ₄ ) ₃ ], Itsium titanate zinc zinc [Zn (Ti ₂ (PO ₄ ) ₃ )] It is made of a compound of isotitanium gold phosphate [Au (Ti ₂ (PO ₄ ) ₃ ]] to sterilize bacteria deposited on the conductive pins 11.

The manufacturing process of the conductive fin for heat exchangers according to the present invention is as follows.

As shown in FIG. 3, the manufacturing process is as follows: a mother glass manufacturing process for preparing a mother glass by blending a calcium phosphate-based glass material with lithium titanium phosphate, a polishing process for polishing the manufactured glass, and a crystallization process for crystallizing the glass by heat treatment. Process, elution process of calcium phosphate to elute calcium phosphate by acid treatment of glass; porous process for making porous body with lithium phosphate as the main component; calcium ion phosphate production process; production of sterilization means by ion exchange of lithium contained in porous body with heavy metal Sterilization means manufacturing process, the application process is applied to apply the sterilization means to the conductive pin.

We will continue to describe each process in detail.

① Parent glass manufacturing process: Titanium phosphate (Ti ₂ (PO ₄ ) _n Li _n ) and calcium phosphate (P _n O _n Ca _n ) -based glass materials are blended and melted uniformly, and then molded into a desired shape. It is then cooled slowly to remove internal residual thermal stress.

② Polishing process: The glass, which has been cooled by removing the thermal stress, is ground with some form of glass powder.

③ Crystallization process: Re-process the ground glass powder to make powder by controlling powder phase / nucleation.

④ Elution process: Acid-treat the crystalline glass to elute the water-soluble calcium phosphate.

⑤ porous body manufacturing process: to make a microporous body mainly composed of the remaining lithium titanium phosphate.

⑥ Sterilization means manufacturing process: Lithium (Li) ion contained in the microporous body is ion exchanged with heavy metal ion to make heavy metal ion glass, which is a sterilization means to sterilize bacteria. The heavy metal ion is silver (Ag ⁺ ), mercury (Hg ⁺ ), copper (Cu ⁺ ), copper (Cu ⁺⁺ ), zinc (Zn ⁺⁺ ), gold (Au ⁺⁺ ) is used.

⑦ Coating process: Grind fine metal ion glass finely, mix it with hydrophilic paint and apply it to the outer surface of the corrosion resistant layer. Here, the hydrophilic paint is made of silicon or cellulose [(C ₆ H ₁₀ O ₅ ) _n ], the corrosion-resistant layer is made of an acrylic coating.

Subsequently, the application process will be described in more detail with reference to FIG. 4, and as shown in the drawing, a machine 25 and a winding machine 26 for unwinding the conductive pin 11 are provided. Between the 25 and the winding machine 26, rollers 23 and 23 'for applying the anticorrosive coating 21 and the hydrophilic coating 21' are arranged in this order. In order to apply the corrosion resistant layer and the hydrophilic layer on both sides of the conductive pin 11, rollers 23 and 23 ′ which apply the corrosion resistant layer and the hydrophilic layer are respectively provided on both side surfaces of the conductive pin 11 so that the roller 23 ( 23 ') are installed four. On one side of these rollers (23, 23 ') is a hydrophilic layer paint (21') in which the anticorrosive coating (21) contained in the container and the sterilization means are immersed, and the agitator (22) for mixing the paint on one side of the container. Is provided, and a dryer 24 is installed at the end of the corrosion resistant layer coating and the hydrophilic layer coating.

The coating device configured as described above has the conduction pin unwinding machine 25 and the winding machine 26 operating, and the conduction pins unwound at the unwinding machine 25 pass between the rollers 23, 23 '. When the conductive pin passes through the roller, the corrosion resistant layer paint 21 and the hydrophilic layer paint 21 'contained in the container are applied to the outer surface of the conductive pin through the rollers 23 and 23'. Will be.

5 is a perspective view of a heat exchanger employing a conductive fin according to the present invention, as shown in the figure, a plurality of rows of conductive fins 11 are stacked from left to right, and the conductive fin 11 has a conductive fin 11. The refrigerant pipe (11 ') integrally formed from one end of the upper end to the bottom is bent a plurality of times and is penetrated through the conductive pin (11). The refrigerant flowing in the refrigerant pipe 11 ′ exchanges heat with external air through the conduction fin 11, and the conduction fin 11 improves heat exchange efficiency by expanding the heat exchange area. The sterilization means sterilizes the bacteria contained in the water condensed on the conductive pins 11 due to the temperature difference during heat exchange, thereby preventing the surface of the conductive pins 11 from decaying or propagating in the water.

6 is a schematic configuration diagram of an air conditioner refrigeration cycle employing a heat exchanger manufactured by using a conductive fin according to the present invention. As shown in FIG. 6, a compressor 33 for compressing a refrigerant and a condenser for condensing the refrigerant are illustrated in FIG. 32, the evaporator 34 which absorbs the refrigerant and heat by evaporating the condensed refrigerant is sequentially connected through the refrigerant pipe 35 to form a closed circuit. Reference numeral 31 is a fan for improving heat exchange between the condenser 32 and the evaporator 33.

In the air conditioner configured as described above, the refrigerant compressed by the compressor 33 flows through the refrigerant pipe 35 to the condenser 32 to condense, and then evaporates in the evaporator 34 to generate cold air. The generated cold air is discharged by the fan 31 to harmonize the rough space. The means for sterilizing the bacteria contained in the water deposited on the heat exchanger by the temperature difference during the heat exchange in the evaporator 34 and the condenser 33, which are heat exchangers, By sterilization, bacteria are prevented from propagating in the water deposited on the heat exchanger.

As described above, the conductive fin for heat exchanger according to the present invention sterilizes water condensed on the conductive fin to prevent the growth of bacteria such as mold and sponges on the surface of the conductive fin, thereby preventing the occurrence of odor and conducting at the same time. There is an advantage of preventing the pin from discoloring.

Claims (2)

A conductive pin 11 made of a metal such as aluminum or equivalent high thermal conductivity, and a corrosion resistant layer 12 made of an acrylic coating to be coated on the outer surface of the conductive pin 11 to prevent corrosion of the conductive pin 11. And a hydrophilic layer 13 composed of a silicon film or a cellulose [(C ₆ H ₁₀ O ₅ ) _n ] coating film applied to the outer surface of the corrosion resistant layer 12 to improve hydrophilicity. In the hydrophilic layer 13, silver (Ag ⁺ ), mercury (Hg ⁺ ), copper (Cu ⁺ ), copper (Cu ⁺⁺ ), zinc (Zn ⁺⁺ ) to sterilize bacteria and prevent the occurrence of odors. ), gold (heavy metals any one of heavy metal ions are ions of the phosphate titanium (Ti ₂ (PO ₄ of Au ⁺⁺⁾⁾ _n) based glass, and ionic bonding triphosphate ET Tan _{[Ag (Ti 2 (PO 4} ) 3)] , Yttrium triphosphate [Ag (Ti ₂ (PO ₄ ) ₃ ]], yttrium triphosphate [Cu (Ti ₂ (PO ₄ ) ₃ )], yttrium triphosphate [Cu (Ti ₂ (PO ₄ ) ₃ ] Isamitanic acid A conduction fin for a heat exchanger, characterized in that any one of lead [Zn (Ti ₂ (PO ₄ ) ₃ )] and dibasic phosphate yitanium gold [Au (Ti ₂ (PO ₄ ) ₃ ]) is contained. In the method of manufacturing a conductive fin for a heat exchanger to apply a hydrophilic layer 13 mixed with a corrosion resistant layer 12 and a sterilization means on the outer surface of the conductive fin 11 to produce the conductive fin 11, the conductive fin 11 To be continuously operated by the unwinding machine 25 and the unwinding machine 26, and the anticorrosive coating material contained in the container on both sides of the conductive pin 11 released from the unwinding machine 25 by the step. A corrosion resistant layer coating step of applying the rollers 21 as a plurality of rollers 23, a drying step of drying the corrosion resistant layer coating 21 applied by the corrosion resistant layer coating step as a dryer 24, and the drying step A hydrophilic layer coating step of applying as a plurality of rollers 23 'a hydrophilic layer coating 21' mixed with sterilization means contained in a container on an outer surface of the corrosion resistant layer 12 dried by The drying step of drying the hydrophilic layer coating 21 ′ applied by the dryer 24 as a dryer 24 is performed. Heat exchangers conductive pin method according to claim eojin.