KR101614796B1 - Plate type heat exchanger - Google Patents

Plate type heat exchanger Download PDF

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Publication number
KR101614796B1
KR101614796B1 KR1020150134294A KR20150134294A KR101614796B1 KR 101614796 B1 KR101614796 B1 KR 101614796B1 KR 1020150134294 A KR1020150134294 A KR 1020150134294A KR 20150134294 A KR20150134294 A KR 20150134294A KR 101614796 B1 KR101614796 B1 KR 101614796B1
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KR
South Korea
Prior art keywords
plate
direct
heating
special
water
Prior art date
Application number
KR1020150134294A
Other languages
Korean (ko)
Inventor
김진곤
Original Assignee
주식회사 두발
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Priority to KR1020150134294A priority Critical patent/KR101614796B1/en
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Publication of KR101614796B1 publication Critical patent/KR101614796B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/02—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0024—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for combustion apparatus, e.g. for boilers

Abstract

The heating water heat exchanger of the present invention has a structure in which a plurality of heating plates 15 and a direct water level plate 14 are alternately stacked in an alternating manner and the water is directly supplied to the direct water level by the heating plate 15 and the direct water level plate 14, A heat exchange plate set (19) in which a direct water inlet (10) and a hot water outlet (11) are communicated with the heating water channel (WP) and the heating water channel is communicated with the heating water channel; Wherein at least a portion of the heat transfer beads 16 of the direct heat plate 14 and the heat transfer beads 16 of the heating plate 15 are blown down to a certain depth downward from the upper surface of the heat transfer beads 16 of the direct heat plate 14 An engaging groove portion 18 having a groove shape and coupled to the bottom surface of the flow path groove portion 17 of the heating plate 15 above the water guide plate 14; A special plate 14SP having a direct hole, a hot water hole, a heating water inlet hole and a heating water outlet hole and connected to the heat exchange plate set 19; A plurality of special flow grooves 14GP are arranged in a fish-like shape on the special plate 14SP to form a plurality of heat transfer beads 16 arranged to intersect with the heat transfer beads 16 of the heat exchange plate set 19 in the up- ); A special groove portion 14SG provided in a groove shape having a predetermined depth downward from the upper surface of the electrically conductive bead 16 and having a larger width between the engaging groove portions 18 of the direct plate 14 than the engaging groove portion 18; A direct water inlet 10 and a hot water outlet 11 corresponding to the direct water hole, the hot water hole, the heating water inlet hole and the heating water outlet hole of the special plate 14SP and the heating water inlet and outlet, And a reinforcing plate (22) joined to cover it.

Description

Plate type heat exchanger

The present invention relates to a hot water heat exchanger, and more particularly, to a hot water heat exchanger capable of improving the heat exchange efficiency between a direct water flow path in which a direct object to be heated enters a heat exchanging process and a heating water entering a heating water flow path, The present invention relates to a new type of plate heat exchanger which can reduce the number of heat exchange plates more than the conventional ones.

Generally, the heating water is heated and circulated by a boiler. Since the heating water is excessively heated to be used as hot water in a shower or other household, it is not suitable because it is not suitable for heating water. There is a problem in that the supply of the heating water is interrupted during the use of the heating water. In order to solve this problem, a heating water heat exchanger is installed in the boiler so that the heating water is directly heated by the boiler burner while passing through the piping, and indirectly heated by direct heat exchange with the heating water to be used as hot water .

As an example of such a conventional hot water heat exchanger, the applicant ' s Utility Model Registration No. 20-0310318 entitled "Hot water heat exchanger for boiler" includes heat exchange plates formed over the whole area of the uneven beads for increasing the heat exchange area, And a second communication passage formed in a corner portion of the heat exchange plates corresponding to the direct inlet of the upper plate and communicating the direct flow paths with each other, A second communication hole formed at a corner of the heat exchange plates corresponding to the direct water outlet of the upper plate and communicating the direct flow paths with each other and a second communication hole formed at a corner of the heat exchange plates corresponding to the heating water inlet of the upper plate, A third communication hole for communicating the heating and feeding lines with each other, a third communication hole for communicating the heating and feeding lines with each other at the corners of the heat exchange plates corresponding to the heating water outlet of the upper plate, And a fourth communicating hole for communicating the heating and feeding lines with each other, and a heat exchange plate welded to the heat exchange plates by being welded by being laminated and welded in such a manner that the heat exchange plates of the same shape, And the direct flow path are alternately formed.

In the heat exchanging plate of the boiler hot water heat exchanger of the applicant of the present invention, a plurality of V-shaped protrusions and flow grooves are formed on the heat exchanging plates at a predetermined interval, And a protruding rib is formed at a predetermined interval in the grooves between the protruding portion, the protruding portion, and the flow path groove portion so that the heating water and direct water flow through the flow groove portion through the flow groove portion, As shown in FIG.

On the other hand, the hot water heat exchanger (hereinafter referred to as a boiler heat exchanger) comprises a heating plate to which heating water is supplied between the upper plate and the lower lower plate, and a direct plate to which the direct water is supplied by a copper plate And a flow path groove is formed between each of the projecting portions of the heat exchange plates and the flow path groove portion so that the direct flow path and the heating flow path are alternately formed by the heating plate and the direct flow plates, Heat exchange with the heating water passing through the euros takes place.

There is a problem that heat exchanging efficiency is low due to the same volume or the same thickness of the heating water passage through which the heating object water passes and the heating water passage through which the heating water passes when the heat exchanging plate for securing the direct water passage is further increased There is a problem in that a lot of it enters.

For this purpose, there is a plate type heat exchanger developed by the applicant of the present invention. In the plate type heat exchanger, the heating water flow path is formed to have a larger volume to a larger thickness than the direct flow path among the direct water flow path and the heating water flow path through which the heating water flows, There is an effect that it is not necessary to increase the heat exchange plate for securing the direct water flow path so as to increase the heat exchange efficiency.

On the other hand, if the number of the heating plates and the directing plates can be reduced as much as possible, productivity and cost will be advantageous. If the number of the heat exchange plates can be reduced while keeping the volume or thickness of the heating water flow channel larger than the direct flow channel, it is more preferable in terms of productivity and unit cost.

Korean Patent Registration No. 2002-0070195 (Registered on September 5, 2002) Korean Registered Utility Model No. 20-0310318 (Registered on March 31, 2003) Korean Registered Utility Model No. 20-0437768 (Registered on December 18, 2007)

It is an object of the present invention to provide an improved heat exchange efficiency between a direct water flow path through which direct water to be heated enters and a heat exchange water entering from the heating water flow path becomes higher than when the same standard is used, And the volume or thickness of the heating water flow path is made larger than the volume or thickness of the direct water flow path when the heat exchanger of the same standard is used as a reference, thereby further increasing the heat exchange amount between the heating water and the direct water, And to provide a new plate heat exchanger which is improved in heat exchange efficiency and is further reduced in the number of heat exchange plates compared to the conventional one.

According to the present invention for solving the above problems, there is provided an air conditioner comprising: a plurality of heating plates alternately stacked alternately up and down; and a direct water channel and a heating water channel formed alternately by a plurality of heating plates and a direct water plate, And a heating water inlet communicating with the heating water channel and a heating water outlet, wherein the heating plate and the direct water plate are provided with a plurality of heat conductive beads to be arranged in the form of a phish phone, A heat exchanging plate set arranged such that the heat transfer beads and the heat transfer beads of the direct plate cross each other in a vertical direction, a flow groove formed between the heat transfer beads of the heat plate and the heat transfer beads of the direct plate, Wherein the heat conductive beads of the direct plate and the heat conductive beads of the heating plate are at least partially recessed downward from the upper surface of the electrothermal bead of the direct plate so that the bottom face of the flow groove portion of the heating plate above the direct plate An engaging groove portion to be engaged; A hot water inlet, a hot water inlet hole and a hot water outlet hole corresponding to the direct water inlet, the hot water outlet, the hot water inlet and the hot water outlet of the heat exchange plate set, and is connected to the heat exchange plate set, A special plate forming a flow path spaced apart from the set at a predetermined interval; A plurality of heat conductive beads arranged in the form of a fishbone on the special plate and arranged so as to intersect with the heat conductive beads of the heat exchange plate set upside down; A special groove portion provided in a groove shape having a predetermined depth downward from the upper surface of the heat conductive bead and having a larger width between both sides than the engagement groove portion of the direct plate; The special plate is provided with a direct water inlet, a hot water outlet, a heating water inlet and a heating water outlet corresponding to the direct water hole, the hot water hole, the heating water inlet hole and the heating water outlet hole and corresponding to the special plate The heat exchanger includes a plate-shaped heat exchanger.

According to the present invention, a plurality of direct water plates and special plates are alternately stacked alternately up and down, and a direct water channel and a heating water channel are formed by the special plate and the direct water plate in the inside, and the direct water channel and the hot water channel A heat exchange plate set in which an outlet is communicated and the heating water channel is communicated with a heating water inlet / outlet; A plurality of heat conductive beads arranged in a fish-like pattern on the direct-running plate to form a plurality of flow channel grooves; An engaging groove portion formed in a groove having a predetermined depth downward from an upper surface of the electrothermal bead of the direct plate and coupled to a bottom surface of the flow channel portion of the special plate above the direct plate; A plurality of heat conductive beads arranged in a fish-like shape on the special plate to form a plurality of flow channel grooves and arranged so as to intersect with the heat conductive beads in the up-and-down direction; A special groove portion provided in a groove shape having a certain depth downward from the upper surface of the heat conductive bead of the special plate and having a width between both sides larger than a width between both sides of the engagement groove portion of the direct plate; And a reinforcing plate coupled to the upper portion of the heat exchange plate set so as to cover the special plate with a direct water inlet, a hot water outlet, and a hot water inlet / outlet corresponding to the direct water inlet, the hot water outlet and the hot water inlet / outlet of the heat exchange plate set. A heat exchanger is provided.

And the thickness between the inner and outer surfaces of the reinforcing plate is thicker than the thickness between the inner and outer surfaces of the special plate.

The uppermost special plate is disposed so as to face the reinforcing plate so that a heating water flow path is secured between the reinforcing plate and the uppermost special plate and a special plate is disposed under the uppermost special plate, A direct flow path is secured between the special plates, and heat exchange is performed between the heating water flow path and the direct flow path.

In the present invention, the special plate replaces the top heating plate, and the special plate is replaced with a straight plate which blocks the reinforcing plate. Therefore, the number of the straight plates is reduced compared to the conventional one. As a result, it is possible to reduce the number of heat exchange plates compared with the conventional one, thereby reducing the material cost. The material efficiency is as good as the productivity, and the unit price is lower than the conventional one.

1 is a perspective view showing a disassembled state of a main part of a plate heat exchanger according to the present invention;
Fig. 2 is a plan view of the special plate and the direct-
Fig. 3 is a perspective view showing a state in which the lower side part of the present invention shown in Fig. 1 is disassembled; Fig.
4 is a perspective view of a plate-type heat exchanger according to the present invention.
5 is a plan view of the special plate shown in Fig.
Fig. 6 is a plan view showing a state in which a reinforcing plate is coupled to the special plate shown in Fig. 5
Fig. 7 is a longitudinal sectional view taken along line AA of Fig.
8 is an enlarged longitudinal sectional view of the main portion of Fig. 75
Fig. 9 is a longitudinal sectional view taken along line BB of Fig. 4
Fig. 10 is an enlarged longitudinal sectional view of the main part of Fig. 9
11 is a perspective view showing a disassembled state of a main portion of the plate heat exchanger
12 is a perspective view showing a state in which a lower side portion of another embodiment of the present invention shown in Fig. 11 is disassembled; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description. The same reference numerals are used for the same parts in the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

The plate type heat exchanger according to the present invention includes a plurality of heat exchange plates formed with a direct water inlet 10, a hot water outlet 11, and a hot water inlet / outlet 12, 13 so as to be spaced apart from each other, And the direct water flow path CP are alternately formed. The heating water supplied by the boiler passes through the heating water flow path WP, the direct water passes through the direct water flow path CP, Water is generated by the heat exchange with the water and is discharged through the hot water outlet 11 is the same as the conventional one. A special plate 14SP is coupled to the heat exchange plate set 19 in which a plurality of heating plates 15 and a direct plate 14 are stacked one above the other and the special plate 14SP is joined to the reinforcing plate 22, As shown in Fig.

In the present invention, the thickness (D2) of the heating water passage (WP) through which the heating water flows relative to the thickness (D1) of the direct water flow path (CP) through which the direct water flows is made larger so that the flow amount of the heating water The special plate 14SP is coupled onto the heat exchange plate set 19 and the reinforcing plate 22 is joined on the special plate 14SP in addition to the structure in which the heat transfer rate is improved and the hot water can be generated more quickly.

In the hot water heat exchanger of the present invention, among the plurality of direct water plates 14 and the heating plates 15 constituting the heat exchange plate set 19, the direct water plates 14 are arranged in a plate body (V shape) A plurality of heat conductive beads 16 are formed and flow groove portions 17 are formed between the heat conductive beads 16. The heat conductive beads 16 are provided with grooves 18 in the form of grooves, .

The present invention is characterized in that a plurality of heating plates (15) and direct water plates (14) having a direct water inlet (10), a hot water outlet (11) and a heating water inlet / A heating water passage WP and a direct water passage CP are alternately formed between the direct water passage 14 and the direct water leveling plate 14. Heating water supplied and heated by the boiler passes through the heating water passage WP, (CP), and the direct water is generated as hot water by heat exchange with the heating water, and is discharged through the hot water outlet (11).

The heating plate 15 and the direct water plate 14 are alternately stacked one on the other and the heating plate 15 and the direct water plate 14 are alternately stacked in a vertical direction. The heat conduction beads 16 of the heating plate 15 and the heat transfer beads 16 of the direct plate 14 are arranged so as to be opposite to each other and to cross each other And at least the electrically conductive beads 16 of the direct plate 14 among the electrically conductive beads 16 of the direct plate 14 and the electrically conductive beads 16 of the heating plate 15 are provided with grooves And the bottom surface of the flow path groove 17 of the heating plate 15 above the water directing plate 14 is connected to the coupling groove 18.

The direct-acting plate 14 has a plate body having a predetermined area, a plurality of heat-conductive beads 16 provided in a plate-like shape (V-shaped) on the plate body, (17), and a groove-like engaging groove (18) formed in the upper surface of the heat conductive bead (16) and having a certain depth downwardly.

The plate body is in the form of a rectangular plate and has a flange portion (FL) extending downward at its periphery. The plate body is provided with a direct inlet 10, a hot water outlet 11, a heating water inlet 12 and a heating water outlet 13. A direct water inlet 10, a hot water outlet 11, a heating water inlet 12 and a heating water outlet 13 are provided in the vicinity of the corner of the plate body. As a result, the direct water leveling plate 14 has a structure in which the direct water inlet 10, the hot water outlet 11, the heating water inlet 12, and the heating water outlet 13 are provided at positions adjacent to the four corners. At this time, the heating water inlet 12 and the heating water outlet 13 in the water level plate 14 pass from the upper surface to the lower surface and the direct water inlet 10 and the hot water outlet 11 in the water level plate 14 are downward And is formed so as to penetrate from the concave depression to the upper and lower surfaces.

The heat conductive beads 16 are inclined so as to be symmetrical with respect to a longitudinal center line extending from the center of the front and rear ends when viewed from the upper surface of the plate body (that is, the upper surface of the direct plate 14) (V shape). Each of the heat conductive beads 16 is spaced apart from the front end portion of the direct plate 14 at regular intervals along the rear end direction (longitudinal direction), and a flow groove portion 17 in the form of a V- Respectively. That is, the direct-acting plate 14 has a structure in which a plurality of fish-like heat conductive beads 16 and a plurality of flow grooves 17 are alternately arranged along the longitudinal direction.

In the present invention, the heat conductive beads 16 of the direct-facing plate 14 are provided with the engaging groove portions 18. The coupling groove portion 18 is formed by a method of pressing the heat conductive beads 16 from above, and is a concave groove structure having inner side portions 19I on both sides of the bottom portion. And the engaging groove portion 18 has a groove structure recessed downward from the upper surface of the heat conductive bead 16. The front and rear surfaces of the engaging groove portion 18 are open. At this time, the coupling grooves 18 are provided in a plurality of spaced apart from each other along the longitudinal direction of the heat conductive beads 16. And a plurality of coupling grooves 18 are arranged at regular intervals in the heat conductive beads 16 arranged in a V shape. A plurality of coupling grooves 18 are provided so as to be symmetrical with respect to the respective heat transfer beads 16 with reference to the longitudinal center line connecting the front and rear ends of the direct-current plate 14. In the present invention, each of the heat conductive beads 16 is provided with three engagement grooves 18 on the left and right sides with respect to the longitudinal center line of the straightening plate 14. Needless to say, the number of the engaging grooves 18 can be increased or decreased.

Another major part of the heating plate 15 according to the present invention includes a plate body having a predetermined area and a plurality of heat conductive beads 16 having a fish body shape (V shape). The plate body of the heating plate 15 is in the form of a rectangular plate and has a flange portion FL extending downward at the periphery thereof. The direct inlet 10 and the hot water outlet 10, (11), a heating water inlet (12), and a heating water outlet (13). As a result, the direct water leveling plate 14 has a structure in which the direct water inlet 10, the hot water outlet 11, the heating water inlet 12, and the heating water outlet 13 are provided at positions adjacent to the four corners.

At this time, in the heating plate 15, the direct water inlet 10 and the hot water outlet 11 are formed to penetrate from the upper surface to the lower surface, and the heating water inlet 12 and the heating water outlet 13 are formed in the heating plate 15, Is penetrated through the concave depression downward to the upper and lower surfaces.

The direct water inlet 10 and the hot water outlet 11 in the direct water level plate 14 are formed so as to penetrate through the depressed concave portion to the upper and the lower surface in the water level plate 14, And the heating water outlet 13 penetrate from the upper surface to the lower surface.

The plurality of heating plates 15 and the direct water plates 14 are stacked in order from below to form a heat exchange plate set 19. [ The heat exchange plate set 19 includes a bottom heating plate 15BP and a bottom plate 14BP, a direct plate 14, a heating plate 15, a direct plate 14, a heating plate 15, a direct plate 14, A heating plate 15, a direct plate 14, a heating plate 15 and a direct plate 14 are stacked in this order on the heating plate 15 and the direct plate 14, A hot water outlet 11 and a heating water inlet 12 are provided in the bottom heating plate 15BP and a hot water inlet 11 and a hot water inlet 12 are provided in the bottom heating plate 15BP, And the heating water outlet 13 are omitted. The heat exchange plate set 19 is provided with a heating flow path WP and a direct flow path CP from below to above. That is, a heating water channel is provided between the upper surface of the bottom heating plate 15BP and the bottom surface of the direct water plate 14, and a direct water channel is provided between the upper surface of the water plate 14 and the bottom surface of the heating plate 15. That is, the heat exchange plate set 19 is provided alternately with the heating flow path and the direct flow path from the lower side to the upper side. In other words, a heating flow path and a direct flow path are alternately provided, such as a heating flow path, a direct flow path, a heating flow path, and a direct flow path, from the bottom to the top of the heat exchange plate set 19.

The peripheral surface of the direct inlet 10 of the heating plate 15 and the peripheral surface of the hot water outlet 11 and the direct inlet 10 of the direct plate 14 and the peripheral surface of the hot water inlet are welded The direct water inlet 10 of the heating plate 15 and the direct water inlet 10 and the hot water outlet 11 of the hot water outlet 11 and the direct water plate 14 are connected to each other by the direct- Respectively.

The surface of the heating plate 15 surrounding the heating water inlet 12 and the heating water outlet 13 and the surface of the water heater 14 facing the heating water inlet 12 and the heating water outlet 13 are connected to each other And the heating water inlet 12 of the heating plate 15 and the heating water inlet 12 of the water heating plate 13 and the heating water inlet 12 of the water heating plate 14 are heated by the heating The water outlet 13 communicates with the heating water channel.

The heat conductive beads 16 of the heating plate 15 have the same structure as the heat conductive beads 16 of the water straight plate 14. [ The heating plate 15 and the direct water plate 14 are alternately stacked to constitute the hot water heat exchanger of the present invention. The heat transfer bead 16 of the fishbone arrangement of the heating plate 15 is formed of a straight plate Heat beads 16 of the fishbone array structure of the fuel cell 14 in the opposite direction. Therefore, a cross point at which the bottom surface of the flow path groove 17 secured between the respective heat conductive beads 16 of the upper heating plate 15 can be brought into contact with the heat conductive bead 16 of the lower directivity plate 14 In the present invention, the engaging groove 18 is formed at a position corresponding to the cross point so that the bottom surface of the flow groove portion 17 of the heating plate 15 is connected to the heat conductive bead 16 In the state in which the bottom surface of the flow path groove portion 17 is seated in the engaging groove portion 18, the bonding agent (the copper alloy sheet 5 described above is melted and hardened So that a plurality of the heating plates 15 and the direct water plates 14 are laminated and held in a joined state. A bonding agent flows into the gap between the engaging groove 18 and the bottom surface of the flow path groove 17 and hardens so that a plurality of the heating plate 15 and the direct plate 14 can be stacked and bonded. That is, a portion where the bottom surface of the flow path groove portion 17 and the engaging groove portion 18 are joined by the bonding solvent can be referred to as a cross joint portion between the upper and lower heating plates 15 and the direct plate 14.

A special plate 14SP is coupled to the heat exchange plate set 19. In the present invention, the heat exchange plate set 19 includes a bottom heating plate 15BP, a direct plate 14, a heating plate 15, a direct plate 14, a heating plate 15, a direct plate 14, A plate 15, a direct plate 14, a heating plate 15 and an uppermost side directing plate 14 may be stacked in this order, and the above described special plate 14SP is coupled onto the uppermost side directing plate 14. When the reinforcing plate 22 is removed, the number of the reinforcing plates 22 is 11 and the number of the reinforcing plates 22 is 12.

The special plate 14SP is also provided with a flange portion extending downward at the periphery of the plate body so that the flange portion of the special plate 14SP is fitted on the flange portion of the uppermost side direct plate 14. The special plate 14SP includes a direct water inlet 10 and a hot water outlet 11 of the heat exchange plate set 19 and a direct water hole corresponding to the heating water inlet and outlet and a hot water hole, do. At this time, in the special plate 14SP, the heating water inlet hole and the heating water outlet hole are formed so as to pass through the concave depressed portion to the upper and lower surfaces, and the direct hole and the hot water hole in the special plate 14SP are protruded more than the depressed portion Is formed so as to penetrate from the upper surface to the lower surface of the portion where it is formed. The concave portion of the special plate 14SP and the upper surface of the uppermost side directing plate 14 abut against each other in the up and down directions and are joined by the joint portion (the copper alloy plate is melted and hardened) The heating water inlet hole and the heating water outlet hole of the special plate 14SP are communicated with the direct water flow path CP secured between the upper surface of the uppermost water side plate 14 and the lower surface of the special plate 14SP And has a structure communicated with the heating water flow path (WP).

The special plate 14SP is provided with a heat conductive bead 16. The heat conductive beads 16 are formed in a V shape like the direct heat plate 14 and the heat conductive beads 16 of the heating plate 15. The heat conductive beads 16 are arranged in a fish- A plurality of special flow groove portions 14GP are formed. The heat transfer beads 16 of the special plate 14SP are disposed so as to intersect with the heat transfer beads 16 of the heat exchange plate set 19 in the upside and downside direction. That is, the heat transfer beads 16 of the special plate 14SP are arranged so as to intersect with the heat transfer beads 16 of the uppermost side direct discharge plate 14 in the upside and downside direction.

The special plate 14SP is provided with a grooved special groove portion 14SG having a certain depth downward from the upper surface of the electrically conductive bead 16. At this time, the width between both sides of the special groove portion 14SG is made larger in the engaging groove portion 18 provided in the direct-facing plate 14 as compared with the width between the two. It is one of the main features of the present invention that the width between both sides of the spigot engagement groove portion 18 is larger than the width between both sides of the engagement groove portion 18 of the direct plate 14. [

The direct water inlet 10 formed in the special plate 14SP and the peripheral surface of the hot water outlet 11 are joined to the surface of the direct water inlet 10 of the uppermost water side plate 14 and the surface of the hot water outlet 11, The heating water inlet 12 formed in the special plate 14SP and the peripheral surface of the heating water outlet 13 are communicated with the direct water flow path of the plate set 19 through the heating water inlet 12 And the heating water outlet 13, thereby communicating with the heating flow path of the heat exchange plate set 19. [

The special plate 14SP is covered with a reinforcing plate 22 bonded thereto. A flange bushing extending downward from the periphery of the plate body, and the flange portion being stacked on the flange portion of the special plate 14SP from above, The reinforcing plate 22 is joined to the upper surface 14SP. The reinforcing plate 22 is provided with a direct water inlet 10, a hot water outlet 11 and a heating water inlet 12 corresponding to the direct water hole, the hot water hole, the heating water inlet hole and the heating water outlet hole of the special plate 14SP, And a heating water outlet (13). The direct water inlet 10 formed in the reinforcing plate 22 and the peripheral surface of the hot water outlet 11 are joined to the direct inlet 10 and the hot water outlet 11 of the special plate 14SP, The heating water inlet 12 formed in the reinforcing plate 22 and the peripheral surface of the heating water outlet 13 communicate with the heating water inlet 12 of the special plate 14SP And is connected to the peripheral surface of the heating water outlet 13 to communicate with the heating flow path between the bottom surface of the reinforcing plate 22 and the upper surface of the special plate 14SP. The heating channel secured between the reinforcing plate 22 and the special plate 14SP is connected to the heating channel 12 of the special plate 14SP and the heating water outlet 13 of the special plate 14SP, .

In addition, the thickness between the inner and outer surfaces of the reinforcing plate 22 is made thicker than the thickness between the inner and outer surfaces of the special plate 14SP.

The upper surface of the heat conductive bead 16 provided on the special plate 14SP is in contact with the bottom surface of the reinforcing plate 22. The special groove 14SG formed on the heat conductive bead 16 is connected to the special plate 14SP, And a reinforcing plate (22).

A mounting hole 24 is provided on the outer surface (upper surface) of the reinforcing plate 22, and the mounting hole 24 may be formed of a nut having a threaded portion on the inner peripheral surface. The mounting hole 24 can be coupled to a fixing member such as a bolt provided in a boiler or the like. Therefore, the plate-like heat exchanger of the present invention can be mounted on the boiler or the like by means of the mounting hole 24.

In the present invention, the hot water inlet and outlet (12, 13), the direct water inlet (10) for direct water to be heated as hot water, and hot water outlets (11) for hot water generated by heat exchange are formed and a flange The heating plate 15 and the direct water plate 14 are alternately spaced apart from each other and the flow grooves 17 of the heating plate 15 The bottom surface is joined to the joining recess 18 formed in the electrically conductive bead 16 on the upper surface of the water level plate 14 by a joining portion (joining portion by welding with the copper alloy plate 5 melted and cured). The heating water inlets 12 and 13 communicate with the heating water passage WP and the direct water inlet 10 and the hot water outlet 11 communicate with the direct water passage CP.

The heat exchanger of the present invention constructed as described above comprises a reinforcing plate 22, a special plate 14SP, a direct plate 14, a heating plate 15, a direct plate 14, a heating plate 15, A plate 14, a heating plate 15, a direct water plate 14, a heating plate 15, a direct water plate 14, and a bottom heating plate 15BP.

According to the present invention, the direct water flowing into the direct water flow path (CP) through the direct water inlet (10) is heat-exchanged with the heating water flowing through the heating water inlet (12) And the hot water is discharged through the hot water outlet 11 of the heat exchanger. In the heat exchanger of the present invention, a heating water passage (WP) is disposed next to the direct water flow path (CP) like a conventional plate type heat exchanger. Hot water is generated by heat exchange between heating water and direct water. 11).

Therefore, the heat exchanger of the present invention has a heating water passage WP, a direct water passage CP, a heating water passage WP, a direct water passage CP, a heating water passage WP, a direct water passage CP, The heating water passage WP is one more than the direct water passage CP such as the heating water passage WP, the direct water passage CP, the heating water passage WP, the direct water passage CP and the heating water passage WP. In addition, it is a structure in which one heat exchange plate is reduced compared to the conventional one. That is, since the special plate 14SP has a structure in place of the top heating plate 15 and a structure in which the reinforcing plate 22 blocks the special plate 14SP on the special plate 14SP, (14) is reduced by one. As a result, it is possible to reduce the material by implementing one sheet of heat exchange plate in comparison with the conventional one, and it is also good in productivity as the material is reduced, and the unit price is also lower than the conventional one.

At this time, a passage through which the water flows is secured between the reinforcing plate 22 and the special plate 14SP by the special groove portion 14SG formed in the electrically conductive bead 16, so that water can be smoothly flowed through the special groove portion 14SG . In the present invention, the special groove portion 14SG between the reinforcing plate 22 and the special plate 14SP can be a hot water passage, and the hot water flowing through the hot water passage by the special groove portion 14SG, Heat exchange is made between the bottom surface and the direct water passing through the direct flow path between the bottom surface and the upper surface of the direct plate 14 below.

Therefore, there is an effect that heat exchange with the direct water can be smoothly performed while the hot water flows into the special groove portion 14SG secured between the reinforcing plate 22 and the special plate 14SP. Since the special grooves 14SG are formed in a plurality of the heat transfer beads 16 of the special plate 14SP, the flow of hot water through the special grooves 14SG is smoothly performed without resistance, and the heat exchange efficiency with the direct water becomes higher .

Since the reinforcing plate 22 is thicker than the special plate 14SP, the direct water plate 14 and the heating plate 15, when the hot water flows between the special plate 14SP and the reinforcing plate 22, The reinforcing plate 22 is stably attached to the special plate 14SP without being inflated from the special plate 14SP even when the reinforcing plate 22 and the special plate 14SP are operated. The strength and rigidity of the joint portion are more effective. The strength and rigidity of the plate heat exchanger of the present invention can be increased.

In the present invention, since the bottom surface of the flow path groove portion 17 between the respective heat transfer beads 16 of the upper heating plate 15 is seated and joined to the coupling recess portion 18 formed in the heat transfer bead 16 of the water directing plate 14, (For example, one more elongated structure), the thickness of the direct water passing through the direct water flow path (CP) becomes thinner as compared with a conventional heat exchanger, Since the heat amount is transmitted more quickly and more from the heating water passing into the water passage WP, the heat exchange efficiency can be made so fast and efficiently, and the heat exchange efficiency can be performed more quickly and smoothly, .

In the present invention, since the bottom surface of the flow groove portion 17 of the upper heating plate 15 is seated in the wide engagement groove portion 18 of the lower direct-current plate 14 and is joined by a wide joint portion, There is an effect that burnout such as tearing around the joint portions of the heat exchange plates is prevented, and product reliability is improved by preventing the burning around the joint portions of the heat exchange plates.

Since the direct water has a high pressure, a force that the direct water plate 14 is pulled by the direct water pressure acts on the heating plate 15 and the cross joining part is dropped by the force that the water direct plate 14 is trying to expand, There may be a tendency to tear around the joint portion. When the joint portion of the heat exchange plates is torn, the heat water and the direct water are mixed with the torn portion, so that the heat exchanger itself may not operate properly.

However, in the present invention, it is possible to prevent the tearing phenomenon of tearing around the joint between the heating plate 15 and the direct plate 14 (that is, around the cross joint between the heating plate 15 and the direct plate 14) Therefore, it is possible to prevent the case where the heat exchanger itself is not operated properly due to the mixing of the heating water and the direct water. Therefore, the product reliability is high. Since the joining recesses 18 increase the area of the joining portion between the upper and lower heat exchange plates, it is possible to prevent the heat exchanger from being inoperable due to tearing around the joining portion.

According to another embodiment of the present invention shown in FIGS. 12 and 13, a special plate 14SP is employed in place of the heating plate 15 in the heat exchange plate set 19. That is, the heating plate 15 is replaced with the special plate 14SP. At this time, the uppermost special plate 14SP is disposed so as to face the reinforcing plate 22 to secure a heating water flow path WP between the reinforcing plate 2 and the uppermost special plate 14SP, The direct water flow path CP is ensured between the uppermost special plate 14SP and the water directing plate 14 by placing the water directing plate 14 under the side special plate 14SP. Of course, the lowermost special plate 14SP is a plate structure in which the upper and lower surfaces are clogged.

Therefore, in the other embodiment of the present invention, the volume of the heating water passage (WP) due to the special groove portion 14SG of the special plate 14SP disposed between the upper and lower water discharge plates 14 of the heat exchange plate set 19 , The volume of the heating water passage (WP) secured between the water level plate (14) and the special plate (14SP) becomes larger than that of the embodiment of the present invention described above, so that the amount of the heating water passing So that the heat exchange efficiency between the direct water and the heating water is further increased.

A passage through which the heating water can flow is secured between the reinforcing plate 22 and the uppermost special plate 14SP by the special groove portion 14SG and the passage between the reinforcing plate 22 and the uppermost special plate 14SP The heating water flowing into the heating water passage WP of the heating water passage WP is subjected to heat exchange with the direct water flowing in the direct water passage CP secured between the following special plate 14SP and the direct water plate 14, ), The heat exchange efficiency between the heating water and the direct water becomes higher. In the above-described embodiment, another heating flow path WP is formed between the special plate 14SP and the reinforcing plate 22, so that it is natural that the heat exchange efficiency between the heating water and the direct water becomes higher.

In addition, in the other embodiment of the present invention, the pressure acting on the direct water flow path CP is lowered by replacing all the heating plates 15 with the special plate 14SP, so that the special plate 14SP and the direct- It is possible to more reliably prevent the breaking phenomenon of tearing around the joint between them. That is, as the amount of heating water passes through the heating water passage (WP) by the special groove portion (14SG) having a wider width of each special plate (14SP), the heat exchange amount between the direct water and the heating water is further increased, The joint portion between the special plate 14SP and the water straight plate 14 is joined to the flow groove portion of the special plate 14SP by the direct pressure The strength of the joint between the special plate 14SP and the direct water plate 14 is maintained more rigidly than in the embodiment described above, It is possible to more reliably prevent the occurrence of the breaking phenomenon that the joint portion between the special plate 14 and the special plate 14SP is torn and the tear around the joint portion is broken. As a result, according to another embodiment of the present invention, it is possible to more reliably prevent the heat exchanger itself from operating properly by mixing the heating water and the direct water, thereby further enhancing the product reliability.

The specific embodiments of the present invention have been described above. It is to be understood, however, that the scope and spirit of the present invention is not limited to these specific embodiments, and that various modifications and changes may be made without departing from the spirit of the present invention. If you have, you will understand.

Therefore, it should be understood that the above-described embodiments are provided so that those skilled in the art can fully understand the scope of the present invention. Therefore, it should be understood that the embodiments are to be considered in all respects as illustrative and not restrictive, The invention is only defined by the scope of the claims.

10. Direct water inlet 11. Hot water outlet
12. Heating water inlet 13. Heating water outlet
14. Heating plate 14SP. Special Edition
14SG. Special groove 16. Electric bead
17. Groove groove 18. Coupling groove
19. Heat exchange plate set 22. Reinforced plate

Claims (7)

A plurality of heating plates 15 and a direct water level plate 14 are alternately stacked alternately up and down so that a direct water flow path and a heating water flow path WP are formed inside the heating plate 15 and the direct water level plate 14 A heat exchange plate set (19) in which the direct inlet (10) and the hot water outlet (11) are communicated and the heating water channel is communicated with the heating water inlet and outlet;
A plurality of heat transfer beads (16) arranged in the form of a fishbone on the heating plate (15) to form a plurality of flow path grooves (18);
A plurality of heat conduction beads (18) arranged in a fish-like pattern on the direct-current plate (14) to form a plurality of flow grooves (18) and arranged so as to intersect with the heat conductive beads (16) 16);
Wherein the heat conductive beads 16 of the direct heat plate 14 and the heat conductive beads 16 of the heating plate 15 have at least a predetermined depth from the upper surface of the heat conductive bead 16 of the direct heat plate 14. [ A coupling groove portion 18 having an excitation groove shape and coupled to a bottom surface of the flow path groove portion 17 of the heating plate 15 above the direct flow plate 14;
A direct water inlet, a hot water inlet hole and a hot water outlet hole corresponding to the direct water inlet 10 and the hot water outlet 11 of the heat exchange plate set 19 and the hot water inlet and outlet, 19);
A plurality of special flow grooves 14GP are arranged in a fish-like shape on the special plate 14SP to form a plurality of special flow grooves 14GP and a plurality of heat transfer grooves 14GP arranged to intersect with the heat transfer beads 16 of the heat exchange plate set 19 in the up- Beads 16;
A special groove portion 14SG which is provided in the shape of a groove having a predetermined depth downward from the upper surface of the heat conductive bead 16 and has a larger width between both sides than the engagement groove portion 18 of the direct plate 14;
A hot water inlet 11 and a hot water inlet 11 corresponding to the hot water hole, the hot water inlet hole and the hot water outlet hole of the special plate 14SP and the hot water inlet and outlet, And a reinforcing plate (22) joined to cover the top of the reinforcing plate (22)
The heat exchange plate set 19 is constructed such that a plurality of heating plates 15 and a direct water plate 14 are alternately stacked from the bottom to the top of the heating plate 15 and the direct water plate 14 And a special water channel is formed between the upper surface of the water directing plate 14 and the lower surface of the heating plate 15 disposed above the water heating plate 14. The special plate 14SP is connected to the heat exchanging plate set 19, a heating water flow path is formed between the upper surface of the uppermost direct running plate 14 and the bottom surface of the special plate 14SP,
A special flow groove 14GP is formed between the plurality of heat conductive beads 16 arranged in a fishbone pattern on the special plate 14SP and a bottom surface of the special flow groove 14GP of the special plate 14SP Is coupled to an engaging groove portion (18) formed in the side plate (14)
And the thickness between the inner and outer surfaces of the reinforcing plate (22) is thicker than the thickness between the inner and outer surfaces of the special plate (14SP).
delete delete delete A plurality of direct water plates 14 and a special plate 14SP are stacked alternately up and down alternately and the direct water flow path CP and the heating water flow path WP are formed by the special plate 14SP and the direct water plate 14, A heat exchange plate set 19 in which the direct inlet 10 communicates with the hot water outlet 11 and the heating water passage WP communicates with the heating water inlets 12 and 13, ;
A plurality of heat transfer beads (16) arranged in a fish-like pattern on the direct-running plate (14) to form a plurality of flow grooves (18);
And a bottom surface of the flow groove portion 17 of the special plate 14SP above the water directing plate 14 is engaged with a bottom surface of the flow directing bead 16 of the water directing plate 14, An engaging groove portion 18;
A plurality of flow conduction beads (18) arranged in a fish-like pattern on the special plate (14SP) to form a plurality of flow grooves (18) and arranged so as to intersect with the heat conductive beads (16) 16);
The special plate 14SP is provided in a groove shape having a predetermined depth downward from the upper surface of the electrically conductive bead 16 and has a width between both sides of the special plate 14SP in a range of width between both sides of the engaging groove 18 of the direct plate 14 A special groove portion 14SG which is configured to be larger than the special groove portion 14SG;
The direct water inlet 10 and the hot water outlet 11 corresponding to the direct water inlet 10 and the hot water outlet 11 and the hot water inlet and outlet 12 and 13 of the heat exchange plate set 19 and the hot water inlet and outlet 12, 13), and a reinforcing plate (22) coupled to cover the special plate (14SP) from above,
The uppermost special plate 14SP is disposed so as to face the reinforcing plate 22 so that the heating water flow path WP is ensured between the reinforcing plate 2 and the uppermost special plate 14SP, A special plate 14SP is disposed below the special plate 14SP and a direct flow path CP is secured between the uppermost special plate 14SP and the special plate 14SP so that the heating water passage WP, Exchanges heat between the direct water flow paths CP,
And the thickness between the inner and outer surfaces of the reinforcing plate (22) is thicker than the thickness between the inner and outer surfaces of the special plate (14SP). delete delete
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200016110A (en) * 2018-08-06 2020-02-14 조승범 Heat exchanger

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200437768Y1 (en) 2007-01-09 2007-12-26 (주)지아노니 두발 Fin of heat exchanger for boiler
KR101124582B1 (en) * 2009-02-18 2012-03-19 (주)지아노니 두발 A hot-water heat exchanger
KR101445474B1 (en) 2010-06-24 2014-09-26 알파 라발 코포레이트 에이비 A heat exchanger plate and a plate heat exchanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200437768Y1 (en) 2007-01-09 2007-12-26 (주)지아노니 두발 Fin of heat exchanger for boiler
KR101124582B1 (en) * 2009-02-18 2012-03-19 (주)지아노니 두발 A hot-water heat exchanger
KR101445474B1 (en) 2010-06-24 2014-09-26 알파 라발 코포레이트 에이비 A heat exchanger plate and a plate heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200016110A (en) * 2018-08-06 2020-02-14 조승범 Heat exchanger
KR102173011B1 (en) 2018-08-06 2020-11-02 조승범 Heat exchanger

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