CN105180691A - plate-type heat exchanger - Google Patents

plate-type heat exchanger Download PDF

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Publication number
CN105180691A
CN105180691A CN201510725487.4A CN201510725487A CN105180691A CN 105180691 A CN105180691 A CN 105180691A CN 201510725487 A CN201510725487 A CN 201510725487A CN 105180691 A CN105180691 A CN 105180691A
Authority
CN
China
Prior art keywords
plate
alar part
upper plate
heat exchanger
lower plate
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201510725487.4A
Other languages
Chinese (zh)
Inventor
李鉉喆
李軒在
杜东勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Rinnai Co Ltd
RINNAI KOREA
Original Assignee
Shanghai Rinnai Co Ltd
RINNAI KOREA
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 Shanghai Rinnai Co Ltd, RINNAI KOREA filed Critical Shanghai Rinnai Co Ltd
Publication of CN105180691A publication Critical patent/CN105180691A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F28D9/0031—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 conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—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 conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—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 conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • 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
    • 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
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • 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
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements

Abstract

The invention relates to a plate-type heat exchanger,particularlly, plates for a heat exchanger can easily be assembled and jointed, the manufacturing time and manufacturing man-hour can be reduced, the production efficiency and the product quality are improved. The plate-type heat exchanger is formed by stacking of a plate (50) provided with an upper plate (60) and a lower plate (70); a wing part (61) of the upper palte (60) and a wing part (71) of the lower plate (70) are brazed to form a flow path; the wing part (61) of the upper plate (60) blends downward at an obtuse angle,and the wing part (71) of the lower plate (70) is composed of a infixing surface (72) blending inward and upward at an acute angle and a support surface (73) blending outward from the infixing surface (72); the wing part (61) of the upper plate (60) is embedded to the infixing surface (72), and a welding material coating space (H) is formed between the support surface (73) and the wing part (61) of the upper plate.

Description

Plate type heat exchanger
Technical field
The present invention relates to plate type heat exchanger, in more detail, assembling and the joint of the plate being used in heat exchanger can be carried out easily, save manufacturing time and manufacture number, enhancing productivity and product quality.
Background technology
Usually, the plate type heat exchanger used in the boiler, by stacked plate chamber, improves the heat exchanger effectiveness of the combustion heat produced at burner (burner).
As the embodiment of plate type heat exchanger (1), announce in the patent of No. 0275401 in Republic of Korea's utility model, as depicted in figs. 1 and 2, upper plate (10) is provided with in upside, upper plate (10) possess cold water and hot water outlet and give entrance, 1st, 2 stream plate (20) (30) are laminated with multiple in interlaced mode in the downside of this upper plate, and with along above-mentioned cold water and hot water outlet and be formed with pipeline to the fluid mode that can not mutually mix of entrance flowing and carry out stacked.
In other words, the position of the pipeline of above-mentioned fluid flowing interlocks up and down, can not be mixed along flow path by the fluid of above-mentioned pipeline, thus mutually can play heat exchange action, the area position intersected at the interlaced of above-mentioned stream is assembled by soldering (Brazing) welding.
But, in the equipment process of above-mentioned 1st, 2 stream plate (20) (30), compared to central portion, corner is Welding relatively weaker, when producing local pressure at the hydraulic pressure excessively caused by water hammering (WaterHammering), there is the problem of be full of cracks in the weld part that can there is periphery.
That is, existing heat exchanger plate chamber as above, 1st stream plate (20) and the 2nd stream plate (30) possess same directional Fin structures respectively, in the aerofoil of the above-mentioned stream plate mode that engage overlapping with aerofoil, use copper coin according to environment for use difference, or carry out Welding after being coated with other welding material.
But, in above-mentioned plate chamber structure, as shown in Figure 3, in the state that the aerofoil of the 1st stream plate (20) is overlapping with the aerofoil of the 2nd stream plate (30), or under the state that the aerofoil top of the 2nd stream plate is coated with welding material (2), when carrying out brazing operation, the coated face of welding material (2) tails off, or between aerofoil, more than the volumetric expansion caused because of the thermal deformation of mother metal due to welding material (2) and melt temperature point and produce bubble, cause air-tightness bad because of the generation of above-mentioned bubble, or cause leaking and breaking because of the erosion of above-mentioned bubble portion, there is the problem that fraction defective increases.
Prior art document
Patent document
The interior laminated structure (on 04 30th, 2002 day for announcing) of Republic of Korea utility model bulletin publication 20-0275401 – plate type heat exchanger.
Summary of the invention
Technical task to be solved
The present invention proposes in view of above-mentioned existing problem, its object is to, a kind of plate type heat exchanger is provided, the upper plate of plate chamber and the periphery alar part of lower plate that form heat exchanger possess mutually different angles, make the stacked assembling of above-mentioned upper plate and lower plate become easy, can weld job be improved bad.
Another object of the present invention is to, provide a kind of plate type heat exchanger, the aerofoil of upper plate is assembled by the aerofoil being flexibly fitted to lower plate, easily carries out the coating of welding material, improves the convenience of Welding.
For solving the technological means of problem
The present invention to achieve these goals, a kind of plate type heat exchanger is provided, by stacked for the plate (50) possessing the structure of upper plate (60) and lower plate (70) and form, the alar part (61) of above-mentioned upper plate (60) and the alar part (71) of lower plate (70) are brazed joint, inner formation stream, the alar part (61) of above-mentioned upper plate (60) is with obtuse angle bending downward, the alar part (71) of above-mentioned lower plate (70) is by with acute angle to the inside and the chimeric surface of bending upward (72) and being formed from the bearing-surface (73) of this chimeric surface (72) direction bending toward the outer side, the alar part (61) of upper plate (60) is embedded in chimeric surface (72), welding material coat capacity (H) is formed between bearing-surface (73) and upper plate alar part (61).
And, on the chimeric surface (72) of above-mentioned lower plate alar part (71), being formed with bulge projection (72a) outstanding to the inside across predetermined space, being formed with the bent tabs (61a) chimeric with stating bulge projection (72a) in the front end of upper plate alar part (61).
And, the alar part (61) of upper plate (60) is with obtuse angle bending downward, the alar part (71) of lower plate (70) by with right angle orientation upward bending chimeric surface (72) and formed from the bearing-surface (73) of this chimeric surface (72) direction bending toward the outer side, the alar part (61) of upper plate (60) is embedded in chimeric surface (72) inner side.Or, the alar part (61) of upper plate (60) is with obtuse angle bending downward, the alar part (71) of lower plate (70) is formed with the chimeric surface (72) to become the bending upward of obtuse-angulate direction from right angle, and the alar part (61) of upper plate (60) is embedded in chimeric surface (72) inner side.
Invention effect
According to the present invention of above-mentioned Structure composing, easily carry out the upper plate of the plate used in heat exchanger and the assembling of lower plate easily, can enhance productivity.
Further, the area and the volume that are applied to the welding material on the alar part of upper plate and lower plate are even, prevent Welding from manufacturing bad, when there occurs bad, easily carrying out 2 coatings, again can carry out Welding.
Therefore, according to the present invention, the assembling of upper plate and lower plate becomes easy, can after assembling from outside coating welding material, and can realize the automation of plate, increase substantially production efficiency, be very useful invention.
Accompanying drawing explanation
Fig. 1 is the figure of the profile that existing plate type heat exchanger is shown.
Fig. 2 is the sectional view of existing plate type heat exchanger.
Fig. 3 is the enlarged section of existing plate type heat exchanger.
Fig. 4 a-Fig. 4 c is the enlarged section that the cohesive process applying plate of the present invention is shown.
Fig. 5 a is the close-up schematic view that embodiments of the invention are shown.
Fig. 5 b is the amplification sectional view that embodiments of the invention are shown.
Fig. 6 a-Fig. 6 b is the amplification sectional view that other embodiments of the present invention are shown.
Description of reference numerals:
2 – welding material 50 – plates
60 – upper plate 61 – alar parts
61a – bent tabs 70 – lower plate
71 – alar part 72 – chimeric surfaces
72a – bulge projection 73 – bearing-surface
H-welding material coat capacity
Detailed description of the invention
Below, with reference to accompanying drawing, the structure of the present invention for realizing above-mentioned purpose and start example are described.
Plate type heat exchanger of the present invention is made in order to following object, can carry out assembling and the joint of the plate being used in heat exchanger easily, saves manufacturing time and manufactures number, enhancing productivity and product quality.
First, accompanying drawing with reference to this description is described, heat exchanger of the present invention is formed as follows: the plate (50) that will possess the structure of upper plate (60) and lower plate (70) is stacked, by the alar part (61) of above-mentioned upper plate (60) and alar part (71) soldered joint of lower plate (70), form stream in plate (50) inside.
At this, the present invention is in order to by easier to the upper plate (60) and lower plate (70) that form above-mentioned plate (50) and easily engage, change the shape of alar part (61) (71), thus prevent bad by producing during above-mentioned alar part (61) (71) Welding.
For this reason, in the present invention, as shown in fig. 4 a, the alar part (61) of above-mentioned upper plate (60) is with obtuse angle bending downward, and the alar part (71) of above-mentioned lower plate (70) is formed by with the chimeric surface (72) of acute angle bending upward to the inside with from the bearing-surface (73) of this chimeric surface (72) bending in outward direction.
And, as shown in Figure 4 b, the alar part of above-mentioned upper plate (60) (61) is moved downwards, the bearing-surface (73) being embedded into lower plate alar part (71) is mobile towards inner elastic, make the words of upper plate (60) movement downwards further, the upper plate alar part (61) crossing bearing-surface (73) restores, and contacts with the chimeric surface (72) that acute angle is formed and combines with upper plate alar part (61) face formed with obtuse angle.
Further, between above-mentioned upper plate alar part (61) and the bearing-surface (73) of lower plate alar part (71), form welding material coat capacity (H), operator is easily coated with welding material (2).
That is, the alar part (61) of above-mentioned upper plate (60) is attached to the alar part (71) of lower plate (70) and the plate (50) be integrally formed, the periphery be bonded to each other along upper plate (60) and lower plate (70) is formed with welding material coat capacity (H), easily from outside coating welding material (2), and automation can be realized.
And, as illustrated in fig. 4 c, under the state that the welding material coat capacity (H) of plate (50) is coated with welding material (2), perform Welding, above-mentioned welding material (2), while preventing adhesive surface to be oxidized, intactly can form joint.
And, the present invention occurs bad in the leak check of the laggard andante of above-mentioned Welding (50), carry out Welding after can being again coated with welding material (2) in above-mentioned welding material coat capacity (H), manufacture can be prevented bad.
And, as embodiments of the invention, as shown in Figure 5 a, also on the chimeric surface of lower plate alar part (71) (72), bulge projection (72a) outstanding to the inside can be formed along periphery across predetermined space, form the bent tabs (61a) chimeric with above-mentioned bulge projection (72a) in the front end of upper plate alar part (61).
And, as shown in Figure 5 b, by the words that the alar part (61) of upper plate (60) and the chimeric surface (72) of lower plate alar part (71) combine, the bent tabs (61a) of front end is blocked by bulge projection (72a), and upper plate alar part (61) is fixed.
Now, the chimeric surface (72) of above-mentioned lower plate alar part (71) because of bulge projection (72a) and upper plate alar part (61) across interval, the welding material (2) being applied to welding material coat capacity (H) flow between above-mentioned interval, performs Welding and engages.
And, as other embodiments of the present invention, as shown in Figure 6 a, also such plate (50) can be formed as: the alar part (61) of upper plate (60) is with obtuse angle bending downward, the alar part (71) of lower plate (70) by with right angle orientation upward bending chimeric surface (72) and formed from the bearing-surface (73) of chimeric surface (72) bending in outward direction, the alar part (61) of upper plate (60) is embedded in chimeric surface (72) inner side.
And, in above-mentioned plate (50), certain gap is formed between upper plate alar part (61) and the chimeric surface (72) of lower plate alar part (71), the words of welding material (2) are coated with at welding material coat capacity (H), welding material (2) flow between above-mentioned interval, performs Welding and engages.
In addition, as shown in Figure 6 b, also can be formed as, the upper plate alar part (61) of plate (50) is with obtuse angle bending downward, and lower plate alar part (71) becomes the chimeric surface (72) of obtuse-angulate direction bending upward from right angle.
And, above-mentioned upper plate alar part (61) is embedded into chimeric surface (72) inner side of lower plate alar part (71), welding material coat capacity (H) between upper plate alar part (61) and the chimeric surface (72) of lower plate alar part (71) is coated with welding material (2), performs Welding and engages.
According to above-described embodiment, the alar part (61) of upper plate (60) is easily assembled with the alar part (71) of lower plate (70) easily, the coating of welding material (2) is easy, upper plate (60) and lower plate (70) can be engaged easily by Welding.
Described above the invention is not restricted to the embodiments described and accompanying drawing, and those skilled in the art should understand and in the scope not departing from technological thought of the present invention, can carry out various replacement, distortion and change to above-described embodiment.

Claims (4)

1. a plate type heat exchanger, by stacked for the plate (50) possessing the structure of upper plate (60) and lower plate (70) and form, the alar part (61) of above-mentioned upper plate (60) and the alar part (71) of lower plate (70) are brazed joint, inner formation stream, it is characterized in that, the alar part (61) of above-mentioned upper plate (60) is with obtuse angle bending downward, the alar part (71) of above-mentioned lower plate (70) is by with acute angle to the inside and the chimeric surface of bending upward (72) and being formed from the bearing-surface (73) of this chimeric surface (72) direction bending toward the outer side, the alar part (61) of upper plate (60) is embedded in chimeric surface (72), welding material coat capacity (H) is formed between bearing-surface (73) and upper plate alar part (61).
2. plate type heat exchanger according to claim 1, it is characterized in that, on the chimeric surface (72) of above-mentioned lower plate alar part (71), being formed with bulge projection (72a) outstanding to the inside across predetermined space, being formed with the bent tabs (61a) chimeric with stating bulge projection (72a) in the front end of upper plate alar part (61).
3. plate type heat exchanger according to claim 1, it is characterized in that, the alar part (61) of upper plate (60) is with obtuse angle bending downward, the alar part (71) of lower plate (70) by with right angle orientation upward bending chimeric surface (72) and formed from the bearing-surface (73) of this chimeric surface (72) direction bending toward the outer side, the alar part (61) of upper plate (60) is embedded in chimeric surface (72) inner side.
4. plate type heat exchanger according to claim 1, it is characterized in that, the alar part (61) of upper plate (60) is with obtuse angle bending downward, the alar part (71) of lower plate (70) is formed with the chimeric surface (72) to become the bending upward of obtuse-angulate direction from right angle, and the alar part (61) of upper plate (60) is embedded in chimeric surface (72) inner side.
CN201510725487.4A 2014-10-30 2015-10-29 plate-type heat exchanger Pending CN105180691A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140149363A KR101813048B1 (en) 2014-10-30 2014-10-30 Plate type heat exchanger
KR10-2014-149363 2014-10-30

Publications (1)

Publication Number Publication Date
CN105180691A true CN105180691A (en) 2015-12-23

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ID=54902952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510725487.4A Pending CN105180691A (en) 2014-10-30 2015-10-29 plate-type heat exchanger

Country Status (5)

Country Link
US (1) US20160123676A1 (en)
JP (1) JP6625399B2 (en)
KR (1) KR101813048B1 (en)
CN (1) CN105180691A (en)
IT (1) ITUB20155105A1 (en)

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US10876794B2 (en) * 2017-06-12 2020-12-29 Ingersoll-Rand Industrial U.S., Inc. Gasketed plate and shell heat exchanger
PL3614087T3 (en) * 2018-08-24 2021-04-19 Alfa Laval Corporate Ab Heat transfer plate and cassette for plate heat exchanger

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CN109341145B (en) * 2018-09-27 2021-04-23 江西新电汽车空调系统有限公司 Plate heat exchanger with inner fins and vehicle air conditioning system

Also Published As

Publication number Publication date
JP6625399B2 (en) 2019-12-25
US20160123676A1 (en) 2016-05-05
KR20160053058A (en) 2016-05-13
JP2016090221A (en) 2016-05-23
KR101813048B1 (en) 2017-12-29
ITUB20155105A1 (en) 2017-04-29

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