KR20100053992A - Combination structure and method of flange and header-pipe for condenser - Google Patents

Combination structure and method of flange and header-pipe for condenser Download PDF

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Publication number
KR20100053992A
KR20100053992A KR1020080112902A KR20080112902A KR20100053992A KR 20100053992 A KR20100053992 A KR 20100053992A KR 1020080112902 A KR1020080112902 A KR 1020080112902A KR 20080112902 A KR20080112902 A KR 20080112902A KR 20100053992 A KR20100053992 A KR 20100053992A
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KR
South Korea
Prior art keywords
header pipe
flange
coupling
pipe
press
Prior art date
Application number
KR1020080112902A
Other languages
Korean (ko)
Inventor
박만홍
장근선
Original Assignee
주식회사 고산
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 고산 filed Critical 주식회사 고산
Priority to KR1020080112902A priority Critical patent/KR20100053992A/en
Publication of KR20100053992A publication Critical patent/KR20100053992A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/04—Fastening; Joining by brazing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding

Abstract

The present invention relates to a coupling structure of a header pipe and a flange for a condenser and a coupling method thereof. When the header pipe and the flange are coupled to each other, the cold water inlet groove of the header pipe and the cooling water pipe coupling groove of the flange coincide with each other. The purpose is to make it possible to make the temporary coupling operation easier. The present invention is configured for this purpose in the coupling structure of the header pipe and the flange for connecting the coolant pipe to the header pipe for guiding the introduced coolant, the tube is formed through the one side of the header pipe at a predetermined interval through which the heat dissipation tube is coupled A press-fit fixing groove formed at a predetermined length in the longitudinal direction of the header pipe on both sides between the coupling groove and the cooling water pipe coupling groove formed on the rear surface of the tube coupling groove; And a press-fit fixing groove formed on an inner surface of each end of each coupling end formed at a predetermined height on one side of the flange body constituting the flange, wherein the header pipe is seated on the header pipe seat between the coupling ends. It is made of a configuration including a press-fitting stopper to be caught on the press-fit fixing groove of the pressurized coupling of the header pipe on the flange.

Description

Coupling structure and method of flange and header-pipe for condenser

The present invention relates to a coupling structure of a header pipe and a flange for a condenser, and a coupling method thereof, and more particularly, to a flange and a condenser by combining a coupling of a flange and a condenser header pipe through which a coolant is introduced and discharged through a press-fit structure. The present invention relates to a coupling structure of a header pipe and a flange for a condenser, and a coupling method thereof, to facilitate coupling of the header pipe.

In general, a heat exchanger refers to a device that performs heat exchange between two fluids having different temperatures and separated by solid walls. In the narrow sense, a heat exchanger is generally used between two process flows without phase change. Refers to a device for exchanging heat, and broadly includes a cooler, a condenser, and the like. Such heat exchangers are widely used for heating, air conditioning, power generation, cooling, and waste heat recovery.

On the other hand, the types of heat exchangers are classified according to their geometric shapes, such as shell & tube heat exchanger, double pipe type heat exchanger, plate type heat exchanger, air cooler, and heating. There are Fired Heater and Coil Type Heat Exchanger, and according to the function, Heat Exchanger, Cooler, Condenser, Reboiler, Evaporator, Preheater (Preheater) and Two Phase Flow Heat Exchanger.

As one of the heat exchangers described above, a condenser is used for an air conditioner or a cooling system of a vehicle, and the condenser is installed upside down so that a tank pipe, a top and bottom header function for guiding the inlet and outlet of the coolant (or refrigerant) is provided. It is arranged between the header pipes at regular intervals and is arranged between each of the heat dissipation tube and the heat dissipation tube that radiates the cooling water (or the refrigerant) is made of a configuration of a heat dissipation fin to dissipate heat transferred from the heat dissipation tube into the atmosphere. At this time, the header pipe is provided with a flange for connecting the cooling water pipe to allow the flow of the cooling water. The following shows the coupling structure according to the prior art of the header pipe and the flange.

1 is an exploded perspective view showing a coupling structure of a header pipe and a flange for a condenser according to the prior art, Figure 2 is a perspective view showing a coupling structure of a header pipe and a flange for a condenser according to the prior art, Figure 3 is a condenser according to the prior art 4 is a plan view showing a coupling structure of a header pipe and a flange for the same, and FIG. 4 is a front sectional view showing a coupling structure of the header pipe and the flange for a capacitor according to the prior art.

As shown in FIGS. 1 to 4, the structure of the flange 20 in the coupling structure of the header pipe and the flange according to the prior art is formed on the other side of the header pipe 10 in which the tube coupling groove 12 is formed. And a semicircular shape corresponding to the curvature of the flange body 22 and the header pipe 10 having a predetermined size in which a coolant pipe coupling groove 22a corresponding to the coolant inlet and outlet grooves 14 through which coolant is introduced and discharged is formed. It consists of a configuration of the coupling end 24 is formed to a certain height on both sides of one surface of the flange body 22 so that the header pipe seating portion (24a) is formed. At this time, the flange body 22 and the coupling end 24 are integrally formed.

The conventional technique in the coupling of the flange 20 and the header pipe 10 configured as described above is a header in a state in which a molten insert (not shown) is coated on the header pipe seat 24a of the flange 20. The header pipe 10 is seated on the pipe seat 24a. At this time, the header pipe 10 seated on the header pipe seat 24a is seated so that the coolant inlet / outlet 14 and the coolant pipe coupling groove 22a coincide with each other.

Meanwhile, as described above, the header pipe 10 is seated on the header pipe seat 24a so that the coolant inlet and outlet grooves 14 and the coolant pipe coupling groove 22a coincide with each other. As described above, four corners of both sides of the coupling end 24 of the flange 20 are temporarily coupled to the header pipe 10 and the flange 20 through the welding 30. After the header pipe 10 and the flange 20 are temporarily coupled through the welding 30, the molten coating is applied between the header pipe 10 and the header pipe seat 24a through heating using a furnace. As the insert is melted, the header pipe 10 and the flange 20 are completely combined.

However, since the temporary coupling is performed by welding when the header pipe for the condenser and the flange are coupled according to the prior art as described above, the temporary coupling work is not only cumbersome, but also the cooling water inlet / out groove matching the slight impact during the temporary coupling operation through welding. There is a problem of overheating the coolant pipe coupling groove, which causes the trouble of re-installing the header pipe on the flange.

In addition, the coupling of the header pipe and the flange for the condenser according to the prior art as described above, because the temporary coupling through the welding, the production cost increases, as well as the production time is reduced due to the increase in the working time due to welding Done. As described above, the coupling structure of the header pipe and the flange for the condenser according to the related art of the temporary coupling through welding has a disadvantage in that productivity is reduced.

The present invention has been made to solve the above-mentioned problems of the prior art, the coupling between the coolant pipe inlet and the coolant pipe coupling groove of the flange pipe through the press-fitting when the header pipe and the flange is combined to make the temporary coupling It is an object of the present invention to provide a coupling structure and a coupling method of the header pipe and the flange for the condenser so that easier temporary coupling operation can be made.

Another object of the technology according to the present invention is to reduce the number of work by reducing the number of work by allowing the coupling between the coolant pipe inlet and the coolant pipe coupling groove of the flange pipe through the press-fitting when the header pipe and the flange is combined And shortening work time of flange and flange can improve workability and productivity.

In addition, the technology according to the present invention by the press-fitting when the header pipe and the flange is combined by the operation process and the temporary coupling work time by allowing the coolant pipe inlet and the coolant pipe coupling groove of the flange coincide with the work just by press-fitting operation The purpose is to reduce the production cost of the finished product by improving the work performance and production through shortening.

The present invention configured to achieve the above object is as follows. That is, the coupling structure of the header pipe and the flange for the condenser according to the present invention in the coupling structure of the header pipe for guiding the incoming coolant and the flange for connecting the coolant pipe to the header pipe, at a predetermined interval on one side of the header pipe A press-fit fixing groove having a predetermined length in the longitudinal direction of the header pipe formed at both sides between the tube coupling groove to which the heat dissipation tube is coupled, and the cooling water pipe coupling groove formed on the rear surface of the tube coupling groove; And a press-fit fixing groove formed on an inner surface of each end of each coupling end formed at a predetermined height on one side of the flange body constituting the flange, wherein the header pipe is seated on the header pipe seat between the coupling ends. It is made of a configuration including a press-fitting stopper to be caught on the press-fit fixing groove of the pressurized coupling of the header pipe on the flange.

In the above-described configuration, the distance between the two coupling ends is formed corresponding to the outer diameter of the header pipe, while the distance between the press-fitting protrusions formed on each of the inner ends of the coupling ends is the distance between the press-fit fixing grooves formed on both sides of the header pipe. It is better to be formed corresponding to the distance.

In addition, according to the present invention, before the header pipe is seated on the header pipe seat of the flange, a molten insert is applied to the header pipe seat of the flange, and then the header pipe is seated on the header pipe seat of the flange. In the combined state, the molten insert material applied to the header pipe seat may be melted by heating the header pipe and the flange which are temporarily coupled to each other, and thus, the header pipe and the flange may be completely combined.

On the other hand, the method of coupling the header pipe and the flange for the condenser, the method of the method according to the present invention in the coupling method of the flange for connecting the header pipe and the coolant pipe for guiding the incoming coolant to the header pipe, (a) comprises a flange Applying a molten insert to a header pipe seating portion formed corresponding to the header pipe between coupling ends formed at a predetermined height on both sides of one surface of the flange body; (b) the header pipe is seated on the header pipe seat portion to which the molten insert is applied in the process of step (a) so that the press-fit locking protrusion on the mating end is caught on the press-fit fixing groove formed on both sides of the header pipe. Coupling the flange with the flange; And (c) inputting the temporarily coupled header pipe and the flange through the process of step (b) to a furnace to achieve complete coupling of the header pipe and the flange through heat melting of the molten insert. Is done.

In the process of step (c) of the above-described configuration, the heating temperature and heating time conditions are more preferably heated for 1 to 5 minutes under the temperature conditions of 450 to 650 ° C.

According to the technology of the present invention configured as described above, even through the press-fitting when the header pipe and the flange are combined, the cooling water inlet and the grooves of the header pipe and the cooling water pipe coupling groove of the flange can be easily matched to make temporary coupling. You can do sum work.

Another effect of the technique according to the present invention is to reduce the number of working headers by making the coupling between the coolant pipe coupling groove of the header pipe and the coolant pipe coupling groove of the flange pipe through the press-fitting when the header pipe and the flange are combined Not only can shorten the pipe and flange work time, but also improve the workability and productivity.

In addition, the technology according to the present invention by the press-fitting when the header pipe and the flange is combined by the operation process and the temporary coupling work time by allowing the coolant pipe inlet and the coolant pipe coupling groove of the flange coincide with the work just by press-fitting operation The production cost of the finished product can be lowered by improving the work performance and production through shortening.

Hereinafter, a coupling structure and a coupling method of a header pipe and a flange for a capacitor according to the present invention will be described in detail with reference to the accompanying drawings.

5 is an exploded perspective view showing a coupling structure of the header pipe and the flange for the condenser according to the present invention, Figure 6 is a perspective view showing a coupling structure of the header pipe and the flange for the condenser according to the present invention, Figure 7 is a condenser according to the present invention 8 is a plan view showing a coupling structure of a header pipe and a flange for the present invention, FIG. 8 is a plan view showing a coupling structure of the header pipe and a flange for the capacitor according to the present invention, and FIG. 9 is a coupling structure of a header pipe and a flange for the capacitor according to the present invention. Front section configuration diagram.

Referring to the coupling structure of the header pipe and the flange for the condenser according to the present invention as shown in Figure 5 to 9 the header pipe 10 having the press-fit fixing groove 16 in the longitudinal direction on both sides of the header of the flange 20 In the case of seating the pipe seat 24a, the press-fitting protrusion 26 formed on the inner side of the end of the coupling end 24 formed at a predetermined height on both sides of the upper surface of the flange body 22 press-fits the header pipe 10. It is made of a configuration that can be engaged on the fixing groove 16 is made possible.

In more detail, first, the condenser header pipe 10 is formed in the shape of a pipe having a predetermined length of hollow, but on one side thereof, a heat dissipation tube for dissipating heat transferred from the coolant guided from the header pipe 10 ( A plurality of tube coupling grooves 12 are formed at regular intervals, and opposite sides of the other side of the coolant inlet and outlet grooves 14 are formed on both sides of the other side thereof. It is formed, it is made of a structure in which a predetermined size of the press-fit fixing groove 16 in the longitudinal direction on the both sides of the header pipe 10 between the tube coupling groove 12 and the coolant inlet and outlet groove 14.

In the configuration of the header pipe 10 as described above, the press-fit fixing groove 16 may be formed with a predetermined length only on both sides of the header pipe 10 of the portion where the coolant inlet and outlet grooves 14 are formed, and the tube coupling groove 12 And the entire length of both sides of the header pipe 10 between the cooling water inlet and outlet grooves 14. The press-fit fixing groove 16 in the embodiment of the present invention has a structure formed only on both sides of the header pipe 10 of the portion where the coolant inlet and outlet grooves 14 are formed.

Meanwhile, as described above, the press-fit fixing groove 16 is formed only on both sides of the header pipe 10 in the portion where the coolant inlet and outlet grooves 14 are formed, so that the coolant inlet and outlet grooves 14 and the flange 20 of the header pipe 10 are formed. The header pipe 10 may be press-fitted into the header pipe seat 24a of the flange 20 without any additional work of matching the coolant pipe coupling groove 22a to the press-fit fixing protrusion 16. Only the temporary coupling that is engaged can make the cooling water inlet / outlet groove 14 of the header pipe 10 coincide with the cooling water pipe coupling groove 22a of the flange 20.

Looking at the configuration of the flange 20 constituting the present invention, the flange body 22, the header having a constant size formed through the cooling water pipe coupling groove 22a corresponding to the cooling water inlet and outlet groove 14 of the header pipe 10 up and down Inner end surfaces of the coupling end 24 and the coupling end 24 each having a predetermined height formed on both sides of the flange body 22 so as to form a semicircular header pipe seat 24a corresponding to the curvature of the pipe 10. It consists of a configuration of the press-fitting projection 26 is formed corresponding to the press-fit fixing groove 16 of the header pipe (10). At this time, the flange body 22 and the coupling end 24 are integrally formed.

In the configuration of the flange 20 as described above, the distance between the two coupling ends 24 is formed corresponding to the outer diameter of the header pipe 10, and the press-fitting protrusions formed on each of the inner ends of the end portions of both coupling ends 24 ( The distance between 26 is formed corresponding to the distance between the press-fit fixing grooves 16 formed on both sides of the header pipe 10.

Therefore, when the header pipe 10 is seated on the header pipe seat 24a formed between both coupling ends 24 of the flange 20, the header pipe 10 is coupled to the coupling end of the flange 20 ( When press-fitted to the bottom in the upper position between the 24, the header pipe 10 is seated on the header pipe seating portion 24a of the flange 20, and at the same time, the press-fitting projection 26 at the end of the coupling end 24 ) Is caught by the press-fit fixing grooves 16 on both sides of the header pipe 10 to thereby temporarily couple the header pipe 10 and the flange 20.

Meanwhile, in the technique according to the present invention, the header pipe 10 to be seated on the header pipe seat 24a of the flange 20 before being seated is melted in the header pipe seat 24a of the flange 20. Inserts (not shown) must be applied. This melt insert material is to allow the complete coupling of the header pipe 10 and the flange 20. That is, the coupling by the press-fit fixing groove 16 of the header pipe 10 and the press-fit fixing protrusion 26 of the flange 20 is a temporary coupling state of the header pipe 10 and the flange 20, and then is coupled When the header pipe 10 and the flange 20 are combined by heat melting of a molten insert using a furnace, the header pipe 10 and the flange 20 are completely coupled.

As described above, the heat-melting of the molten insert material to bond the header pipe 10 and the flange 20 as the base material is called brazing. Such brazing is used to bond the base material using heat and the molten insert material. It is one of welding methods, and it is distinguished from soldering based on 450 degrees Celsius. In other words, brazing refers to joining a base material by applying heat below the melting point of the base material using a filler material having a melting point temperature of 450 degrees Celsius or more. In addition, a welding method using a filler metal (melting insert) is welding, and the difference between welding and brazing, commonly referred to as welding, is whether the base material melts or melts. Because of this feature, brazing has a great advantage over welding, which means that the base metal is not melted and welded only with the filler metal (melt insert), so that there is little deformation or residual stress of the base material.

Referring to the coupling process of the header pipe 10 and the flange 20 according to the present invention in detail, first, in the process of step (a) is formed at a predetermined height on both sides of one surface of the flange body 22 constituting the flange 20 The molten insert is applied onto the header pipe seating portion 24a formed corresponding to the header pipe 10 between the coupling ends 24.

In other words, a melt insert (not shown) is applied onto the header pipe seat 24a of the flange 20 as shown in Figs. 5 to 9 as described above. At this time, the melt insert is a melt insert having a melting point in the range of 450 ~ 650 ℃.

As described above, after applying the molten insert on the header pipe seat 24a of the flange 20 through the process of step (a), the header pipe seat of the flange 20 is mounted through the process of step (b). The header pipe 10 is seated and coupled to the portion 24a to temporarily couple the header pipe 10 and the flange 20. That is, in the step (b), the flange 20 is seated on the press-fit fixing groove 16 formed on both sides of the header pipe 10 by mounting the header pipe 10 on the header pipe seat 24a to which the molten insert is applied. The coupling between the header pipe 10 and the flange 20 is made so that the engaging end of the indentation engaging projection 26 formed in the inner direction of the end of the coupling end (24).

Meanwhile, when the header pipe 10 is press-fitted to the lower side in a state where the header pipe 10 is positioned between the coupling ends 24 of the flange 20 in the process of step (b) as described above, the flange ( As the coupling end 24 of the 20 is slightly open to both sides, the mounting of the header pipe 10 is performed on the header pipe seat 24a, and the coupling end 24 is returned to its original position by its elastic force. The press fitting locking protrusion 26 formed in the inner direction of the end is seated and locked in the press fitting fixing groove 16 on both sides of the header pipe 10 to thereby temporarily couple the header pipe 10 and the flange 20.

As described above, after the header pipe 10 and the flange 20 are temporarily coupled through the process of step (b), the header pipe 10 and the flange 20 which are temporarily coupled to the furnace (not shown) are placed in a furnace. Through the heat melting of the molten insert material to ensure complete coupling of the header pipe 10 and the flange 20. In other words, the header pipe 10 and the flange 20 in the temporary coupling state introduced into the furnace are heated to melt the molten insert material applied on the header pipe seat 24a, and thus the flange is melted by the molten insert material. The header pipe seat 24a of 20 may be bonded to one side of the header pipe 10 that is seated and interviewed.

Meanwhile, as described above, the header pipe 10 and the flange 20 of the temporary coupling state are heated to melt the molten insert, thereby forming the header pipe seat 24a of the flange 20 by the molten molten insert. The heating temperature and the heating time conditions of the furnace are heated for 1 to 5 minutes under the temperature conditions of 450 to 650 ° C. in the case of being seated and bonded to one side of the interviewed header pipe 10. The heating for 1 to 5 minutes under the temperature condition of 450 to 650 ° C is because the melting point of the melt insert is in the range of 450 to 650 ° C.

As described above, the technique according to the present invention does not temporarily couple the temporary coupling of the header pipe 10 and the flange 20 by welding, but through the press-fit fixing groove 16 and the press-fitting protrusion 26 without welding. Because of the temporary coupling through the press-fitting structure, unnecessary labor can be reduced, so that a larger amount can be produced in a short time, and the coupling between the header pipe 10 and the flange 20 can be made easier. .

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

1 is an exploded perspective view showing a coupling structure of a header pipe and a flange for a capacitor according to the prior art.

Figure 2 is a perspective view showing a coupling structure of the header pipe and the flange for the condenser according to the prior art.

3 is a plan view showing a coupling structure of a header pipe and a flange for a capacitor according to the prior art.

Figure 4 is a cross-sectional view showing a coupling structure of a header pipe and a flange for a capacitor according to the prior art.

Figure 5 is an exploded perspective view showing a coupling structure of the header pipe and the flange for the condenser according to the present invention.

Figure 6 is a perspective view showing a coupling structure of the header pipe and the flange for the condenser according to the present invention.

Figure 7 is a side view showing a coupling structure of a header pipe and a flange for a capacitor according to the present invention.

8 is a plan view showing a coupling structure of a header pipe and a flange for a capacitor according to the present invention.

Figure 9 is a front cross-sectional view showing a coupling structure of the header pipe and the flange for the condenser according to the present invention.

[Description of Symbols for Main Parts of Drawing]

10. Header pipe 12. Tube coupling groove

14. Cooling water inlet / outlet 16. Press-fit fixing groove

20. Flange 22. Flange body

22a. Cooling water pipe coupling groove 24.

24a. Feather pipe seat 26. Press-fitting protrusion

30. Welding

Claims (5)

In the coupling structure of the flange for connecting the header pipe for guiding the flow of coolant and the coolant pipe to the header pipe, A predetermined length is formed in the lengthwise direction of the header pipe on both sides between the tube coupling groove which is formed through the one side of the header pipe at a predetermined interval and the heat dissipation tube is coupled to the cooling water pipe coupling groove formed on the back of the tube coupling groove. Indentation fixing groove; And It is formed to correspond to the press-fit fixing groove on the inner side of each end of each of the coupling end formed to a certain height on both sides of the flange body constituting the flange, the header pipe is seated on the header pipe seat between the coupling end The coupling structure of the condenser header pipe and the flange, characterized in that made of a configuration including a press-fit locking projection to be engaged on the press-fit fixing groove of the header pipe to the temporary coupling of the header pipe on the flange. The method of claim 1, wherein the distance between the two coupling ends is formed corresponding to the outer diameter of the header pipe, while the distance between the press-fitting protrusions formed on each of the inner end surfaces of the both coupling ends is formed on both sides of the header pipe. A coupling structure of a header pipe and a flange for a capacitor, characterized in that it is formed corresponding to the distance between the press-fit fixing grooves. The method according to claim 1 or 2, wherein the molten insert is applied to the header pipe seat of the flange before the header pipe is seated on the header pipe seat of the flange. The header pipe and the flange are melted while the molten insert material applied to the header pipe seat is formed by heating the header pipe and the flange in a state in which the header pipe is seated and temporarily coupled. The coupling structure of the header pipe and the flange for the capacitor, characterized in that the complete coupling. In the joining method of the flange for connecting the header pipe for guiding the introduced coolant and the coolant pipe to the header pipe, (a) applying a molten insert to a header pipe seat formed corresponding to the header pipe between coupling ends formed at a predetermined height on both sides of one surface of a flange body constituting the flange; (b) the header pipe is seated on the header pipe seat portion to which the molten insert is applied in the process of step (a), so that the press-fit locking protrusion on the coupling end is formed on the press-fit fixing groove formed on both sides of the header pipe. Temporarily coupling the header pipe to the flange; And (c) injecting the header pipe and the flange which are temporarily coupled through the process of step (b) into a furnace to achieve complete coupling of the header pipe and the flange through heat melting of the molten insert. The coupling method of the header pipe and the flange for a capacitor, characterized in that the configuration. The method of claim 4, wherein the heating temperature and heating time conditions in the process of step (c) are heated for 1 to 5 minutes under a temperature condition of 450 to 650 ℃.
KR1020080112902A 2008-11-13 2008-11-13 Combination structure and method of flange and header-pipe for condenser KR20100053992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080112902A KR20100053992A (en) 2008-11-13 2008-11-13 Combination structure and method of flange and header-pipe for condenser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080112902A KR20100053992A (en) 2008-11-13 2008-11-13 Combination structure and method of flange and header-pipe for condenser

Publications (1)

Publication Number Publication Date
KR20100053992A true KR20100053992A (en) 2010-05-24

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