CN1373342A - Gas-liquid heat exchanger and its mfg. method - Google Patents

Gas-liquid heat exchanger and its mfg. method Download PDF

Info

Publication number
CN1373342A
CN1373342A CN 01109321 CN01109321A CN1373342A CN 1373342 A CN1373342 A CN 1373342A CN 01109321 CN01109321 CN 01109321 CN 01109321 A CN01109321 A CN 01109321A CN 1373342 A CN1373342 A CN 1373342A
Authority
CN
China
Prior art keywords
fin
tube
heat exchanger
shaped catheter
shaped
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.)
Granted
Application number
CN 01109321
Other languages
Chinese (zh)
Other versions
CN1243948C (en
Inventor
罗科·詹诺尼
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.)
Kangdewo public limited company
Original Assignee
JENNONI SpA
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 JENNONI SpA filed Critical JENNONI SpA
Priority to CN 01109321 priority Critical patent/CN1243948C/en
Publication of CN1373342A publication Critical patent/CN1373342A/en
Application granted granted Critical
Publication of CN1243948C publication Critical patent/CN1243948C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A gas-liquid heat exchanger is composed of multiple basically linear guide tubes with longitudinal axis X-X extended in a predefined direction for limiting the fluid channel in heat exchanger, multiple heat radiators basically parallel, and multiple gas channels limited between radiators to make the gas flow along the Y-Y direction perpendicular to X-X.

Description

Gas-liquid heat exchanger and manufacture method thereof
The present invention relates to a kind of gas-liquid heat exchanger, this gas-liquid heat exchanger preferably but not only to be used in purpose be in the hot-water heating system that uses and utilize for the family in the quarter.
The present invention be more particularly directed to the gas-liquid heat exchanger that limits by additional claim 1 preamble.
The invention still further relates to a kind of improved fin of gas-liquid heat exchanger, a kind of hot-water heating system of making the method for above-mentioned heat exchanger and comprising above-mentioned heat exchanger of being used for.
Generally in the gas-liquid heat exchanger field, particularly in the air to water heat exchanger field that is used for the water or the gas-liquid heater of indoor adjusting or refrigeration, pressing for most at present provides a kind of small and exquisite, in light weight and make the more and more lower heat exchanger of cost, and this heat exchanger guarantees high heat exchanger effectiveness simultaneously.
For this reason, known a kind of heat exchanger that comprises the mounting shell type, it can have fin arbitrarily to improve gas-liquid heat exchanger efficient, wherein defines gas flow and the hydraulic pipes that comprise that a plurality of tube-shaped catheters that are used for the liquid circulation also extend along the direction that is basically perpendicular to gas flow direction along the shell horizontal expansion.
For example, European patent application EP 0831281 has been described a kind of heat exchanger, and wherein a plurality of not flange-cooled pipes are installed in and a pair ofly are used to distribute and collect between the house steward of liquid, and the free end of each pipe is connected to house steward.
Although realized this purpose substantially, but since manufacturing and labor cost with a bell and spigot joint and liquid are set in tube-shaped catheter and/or its end distribute with the collection house steward, each parts of heat exchanger are assembled together and make its long-time requirement integral with one another relevant, so the air to water heat exchanger of prior art can not further reduce manufacturing cost.
Therefore the objective of the invention is, a kind of gas-liquid heat exchanger is provided, this heat exchanger has the lower cost of heat exchanger that has identical thermal capacity than prior art, has simultaneously by market to adopt the characteristic that the desired size of standard is little, heat exchanger effectiveness is high.
According to first aspect present invention, above-mentioned purpose is realized by the heat exchanger that the characteristic of accessory claim 1 limits.
In fact the applicant finds owing to adopt following method can further reduce the heat exchanger manufacturing cost, and the most expensive suitable heat exchanger effectiveness of heat exchanger that has identical thermal capacity in acquisition and the prior art:
-be integrally formed in the single basic ring duct by tube-shaped catheter interchanger, and have the interior suitable bridge piece joint of the same catheter of being integrally formed in, and
-gaseous fluid dynamics when optimizing gas communication in the passage that between the fin that extends by tube-shaped catheter, is limited.
Particularly, the fin in the tube-shaped catheter downstream by laterally being connected fin mount pad end, can avoid unwanted gas to divide and flow in the free space of same catheter downstream formation, thus gas in the passage that guarantees to be limited between the inflow fin and the good heat exchange between the fin itself.
In below the explanation and accessory claim, term: " upstream " is used to represent that with " downstream " those are respectively by first and the last exchanger part that gas flow contacted that pass interchanger itself.
Can provide a kind of heat exchanger according to the present invention, this heat exchanger has high gas-liquid heat exchanger effectiveness and high heat-exchange surface and total measurement (volume) ratio; So equipment of the present invention is small and exquisite and thermodynamic efficiency is high.
Generally, the gas passage that is limited between the fin that tube-shaped catheter extends extends along the direction that is basically perpendicular to this tube-shaped catheter interchanger, so it is laterally contacted by gas phase.
Under such mode, therefore the interchanger lateral dimension can be defined as minimum of a value.
Best, described tube-shaped catheter is parallel to each other and be placed in the same level or be placed in the parallel plane, thereby obtains further to reduce the conversion of the staggered conduit of heat exchanger width.
Under latter event, those skilled in the art can determine that distance between these parallel surfaces is with the interference between the fin of avoiding extending from adjacent catheter.
In a preferred embodiment of the invention, fin laterally connects in the tube-shaped catheter downstream each other by pair of flanges, and this flange is by the end vertical definite length extended of each fin along the seat that tube-shaped catheter is installed.
Described flange has can realize a fin and its suitable preset width along the actual connection between the vertically adjacent fin of heat exchanger.Preferably, the width of flange and is 3 to 6mm better between 1 to 8mm.
In below the explanation and accessory claim, " width " of term cooling fin part represents that these parts are along the elongation that is basically perpendicular to the direction (promptly being basically parallel to the longitudinal axis of tube-shaped catheter) of the support body of this fin.
Under such mode, by suitably fin being shaped and after it is coupled together with spaced relationship along tube-shaped catheter, can obtain " synthetic " continuous substantially closure wall, can avoid undesirable gas branch to flow to the free space that this tube-shaped catheter downstream forms.
For the purpose of convenient, described flange can be integrally formed in the fin by common batch process punching operation, helps reducing the production cost of interchanger.
In another embodiment of the present invention, this embodiment sees from economic point of view and does not feel quite pleased, fin can be by having suitable width rectangular metal sheet or laterally connect in the tube-shaped catheter downstream by U-lag with general minimal thickness, be inserted in the free space that the tube-shaped catheter downstream forms and be placed in the mount pad end of this conduit.
Best, the mount pad of tube-shaped catheter to small part along the circumferential direction has the lasso perpendicular to the fin definite length extended.And be more preferably, lasso equals the part of the length of tube-shaped catheter mount pad bottom substantially perpendicular to fin extension one.
In this manner, can help enlarging contact-making surface between each tube-shaped catheter and its mount pad, generally just can realize by common brazing operation by forming more lasting connection between each tube-shaped catheter and its mount pad.
For realizing purpose of the present invention, described lasso can have the width that is equal to or less than the flange that is suitable for laterally connecting fin.
Best, the width of lasso is less than the width of the flange that adjacent fin is connected with each other, and generally between 1.5 to 5.5mm, and helps and described flange global formation, is connected with described flange and do not disconnect.
In a preferred embodiment of the invention, fin also by from the vertically extending pair of sidewalls of its opposed end along laterally and in the horizontal superimposed connection of the relative portion of tube-shaped catheter.
Generally, described sidewall has and is suitable at a fin and its along forming the actual preset width that connects between the vertical adjacent fin of heat exchanger.
In this manner, can help---by sidewall suitable width and above-mentioned flange suitable width are set---between fin, forming a plurality of gas passages, thereby avoid in the free space that undesirable gas shunting inlet pipe shape catheter downstream forms and optimize the hydrodynamics of gas flow with basic air tight manner transverse seal.
Generally, in case fin is connected with tube-shaped catheter is stable, just define these gas passages, and as mentioned above, these gas passages extend along the direction that is basically perpendicular to the identical tube-shaped catheter longitudinal axis.
Best, heat exchanger of the present invention comprises and being used for the pitch mode suitable components of fin at interval, and these parts are molded between above-mentioned lasso in the same fin, flange or suitable isolation by final integral and constitute.
Described parts help limiting the width of described gas passage, thereby obtain the desired hydrodynamic characteristics that passes the gas stream of heat exchanger.
Generally, those skilled in the art can select pitch between the fin according to the hydrodynamic characteristics of pressure drop and desired gas stream.
In addition, according to a preferred embodiment of the invention, can help guaranteeing about tube-shaped catheter downstream and horizontal suitable gas-tight seal, and not need the flange and/or the sidewall of fin are welded on its adjacent fin.
The predetermined inclination that flange that can be by making fin and/or sidewall have about the support body of same fin obtains above-mentioned effect.
For realizing purpose of the present invention, preferably suppose that about the support body of fin the gradient of flange is the angle (α between 90 ° to 105 ° 1), and the angle of sidewall is 80 ° to 105 ° a angle.
Best, the angle (α between the flange of fin and/or sidewall form 96 ° to 100 ° about the support body of fin 1And α 2), promptly it is open-shaped substantially.
In this manner, can help---when assembling during interchanger---with fin between pitch suitably adjust to slightly value less than flange and/or sidewall width so that obtain overlapping between the flange of flange and/or sidewall free end and adjacent fin and/or the sidewall.
In addition, fin quantity is set at the value of requirement, has regulated effectiveness of heat exchanger successively by the pitch adjustment between the fin, this efficient and fin quantity are proportional.
In another embodiment of the present invention, and have at heat exchanger under the situation of a plurality of parallel tube-shaped catheters, fin has and a plurality ofly is the seat of U-shaped substantially, and each U-shaped seat is suitable for installing a tube-shaped catheter.
In this case, in order further to improve the heat exchanger effectiveness between gas and the fin, fin can have at least one rib, this rib is formed between the mount pad of adjacent tube-shaped catheter, and is suitable for improving the turbulence that inflow is limited to the gas passage between the adjacent fin.
Best, heat exchanger further comprises a pair of quick Connector coupling that links to each other with the relative free end of basic ring duct.
Quick Connector coupling greatly facilitate connect heat exchanger with from towards as the liquid conveying and the necessary operation of return-flow catheter of the hydraulic pipe of boiler plant, heat exchanger is installed in the boiler plant.
According to second aspect present invention, also relate to the fin of having described in the also superincumbent explanation that limits by additional claim 9 that is used for gas-liquid heat exchanger.
According to third aspect present invention, relate to hot-water heating system, boiler for example is characterized in that comprising the heat exchanger of the above-mentioned type.
According to fourth aspect present invention, relate to the method for the gas-liquid heat exchanger of the manufacturing the above-mentioned type that limits by claim 14.
Described method is made gas-liquid heat exchanger of the present invention by producing operating procedure in batches, and spends minimum manpower, thereby obtains desired heat exchanger cheaply.
Best, the radial compression of tube-shaped catheter and expander adopt legacy equipment to finish by the cold conditions plastic working.
In addition, preferably finish the stable step that links to each other of fin and tube-shaped catheter by the common soldering of adopting known equipment and technology.
In another embodiment, the inventive method can comprise the additional step that a pair of quick Connector coupling is connected with the opposite end of the conduit that limits flow channel for liquids.
By the inventive method, can adopt simple technique to make economic small and exquisite and heat exchanger that thermodynamic efficiency is high with low cost, guarantee the repeatability and the reproducibility of large-scale production heat exchanger simultaneously.
By can more understand other feature and advantage of gas-liquid heat exchanger of the present invention to the explanation of embodiment, that these embodiment show is some preferred embodiments rather than determinate embodiment below in conjunction with accompanying drawing.In the accompanying drawing:
Fig. 1 is the stereogram of gas-liquid heat exchanger according to one preferred embodiment of the present invention;
Fig. 2 is the fin amplification stereogram of heat exchanger shown in Figure 1;
Fig. 3 is the detailed amplification plan view of fin shown in Figure 2;
Fig. 4 to Fig. 8 is an operating procedure schematic diagram of making the method for gas-liquid heat exchanger of the present invention;
Fig. 9 is the schematic diagram that comprises the boiler of gas-liquid heat exchanger shown in Figure 1.
Describe the preferred embodiments of the present invention below in detail.
In the drawings, label 1 ordinary representation is used for the air to water heat exchanger of hot-water heating system, is particularly useful as the main warm water of heating that is used for plain edition boiler 6 indoor heating shown in Figure 9 or the heat exchanger of water, will describe in detail below.
Heat exchanger 1 comprises a plurality of tube-shaped catheters 2 substantially linearly, and the longitudinal axis X-X of this conduit 2 extends along first predetermined direction, wherein defines the runner 3 of the water supply circulation in the interchanger 1.
Substantially parallel and extend to tube-shaped catheter 2 is outside along the isolated a plurality of fin 4 of pitch direction each other, for example it firmly is connected with conduit 2 by soldering and be filled in closure plate 20,21 that tube-shaped catheter 2 in heat exchanger 1 opposite end is connected between.
Between fin 4, limit a plurality of gas passages 5 that gas is flowed along the second direction Y-Y that is basically perpendicular to tube-shaped catheter 2 longitudinal axis X-X.
Fin preferably is made of such as copper by the suitable metal with good heat transfer.
In this embodiment of the present invention, the gas of the interchanger 1 in the gas coming through passage 5 mainly is made of the gas from the burner 7 of boiler 6 (Fig. 9).
Tube-shaped catheter 2 mainly is made of single basic continuous part for annular conduit 8, and these parts are by being connected to each other with same catheter 8 all-in-one-piece bridge piece joints 9.
Conduit 8 preferably also is made of such as copper by the suitable metal with good heat transfer.
At the opposite end of conduit 8 8a, 8b corresponding fast connecting joint 10a and 10b are set, these jointings are one-body molded in end of conduit in this example, are convenient to carry out the attended operation with the hydraulic pipe of boiler 6.
In Fig. 2 and 3 these embodiment that show in detail, the fin 4 of interchanger 1 comprises the suitable dish type support body 11 with the thickness that suitably reduces, and for example thickness is between 0.2-0.7mm.
Generally, the support body 11 of fin 4 has a plurality of seats 12.Each seat 12 takes the shape of the letter U substantially, is used to place tube-shaped catheter 2.
Each seat 12 comprises:
First or bottom 12a, its have the shape of mating substantially with the tube-shaped catheter shape and to its special design this tube-shaped catheter being installed and contacting this tube-shaped catheter, and
Second portion or end 12b, it is to the downstream opening of tube-shaped catheter 2 and it is designed to made fin as described below 4 is assembled on the tube-shaped catheter 2.
Particularly, limit between the main line part of the relative branch of basic U-shaped seat 12 and support body 11 at fin 4 in form an end 12b (Fig. 2) of 12.
In this embodiment of the present invention, flange 13a, 13b that fin 4 extends on by a pair of whole length of end 12b perpendicular to each fin 4 present 12 in the downstream of tube-shaped catheter 2 are connected with each other.
Best, flange 13a, 13b are integrally formed in the fin 4 and have and be suitable for actual connection fin 4 and along the width that is about 4mm ' ls ' that is parallel to the adjacent fin of the longitudinal axis X-directions X of tube-shaped catheter 2, in this case, the vertical consistency of this direction and interchanger 1.
In this embodiment of the present invention, the bottom 12a of seat 12 has the lasso 14 that extends certain-length perpendicular to fin 4 along circumference, this length equals the length of bottom substantially, and in this case, the contact area between its basic and fin 4 and tube-shaped catheter 2 is identical.
Best, lasso 14 has the width ' lc ' that is about 2mm and helps forming integral body with flange 13a, 13b, and lasso 14 interconnects with flange 13a, 13b and do not disconnect.
The fin 4 of interchanger 1 is also each other laterally and in the superimposed connection of sidewall 15a, 15b by a pair of opposite end 4a, 4b extension perpendicular to fin 4 of the relative part of tube-shaped catheter 2.
Generally, sidewall 15a, 15b have and are suitable for making a fin and along the adjacent actual preset width that is connected of fin of longitudinal axis X-directions X that is parallel to tube-shaped catheter 2, in this case, and itself and interchanger 1 vertical identical.Preferably the width ' lp ' of sidewall 15a, 15b is about 5mm slightly greater than the width of flange 13a, 13b.
Like this, the gas passage 5 that between fin 4, limits with a kind of air tight manner substantially along transverse seal, form the free space (the end 12b of seat 12) in tube-shaped catheter 2 downstreams thereby avoid unwanted gas branch to flow to, and optimized the flow through hydrodynamics of this passage of gas.
In addition, preferably flange 13a, 13b and sidewall 15a, the 15b of fin 4 are suitable for along pitch direction each interval, thereby limit the width of suitable gas passage 5 and the needed hydrodynamic characteristics of gas that this heat exchanger is passed through in acquisition.
Generally, the pitch between the fin in the present embodiment 4 is about 3.2mm.
In an embodiment of the present invention, flange 13a, the 13b of fin 4 and sidewall 15a, 15b have the pre-determined tilt width with respect to the support body 11 of fin 4, its tilt angle alpha 1, α 2All be about 98.5 °.
Because flange 13a, 13b and sidewall 15a, 15b expand outwardly subsequently, the free end by being implemented in this flange 13a, 13b and sidewall 15a, 15b and flange 13a, the 13b of adjacent fin 4 and sidewall 15a, 15b partly overlap and assemble fin 4.
Like this, help obtaining having gas passage 5 horizontal airtight of gas-tight seal characteristic and between flange 13a, the 13b of a fin 4 and its adjacent fin and sidewall 15a, 15b, do not carry out any welding operation.
In addition, in this case, adjust the pitch between the fin 4 probably in due form within the specific limits, adjust the width of gas passage 5 thus again and fall hydrodynamic characteristics with gas phase along the pressure of gas passage.
In order to improve the turbulence level of the gas that in the gas passage 5 that is defined between the fin 4, flows, thereby improve the exchange efficiency of interchanger 1, fin 4 also has a pair of basic hemispherical rib 16,17 between the mount pad 12 that is integrally formed in adjacent tube-shaped catheter 2 in the support body 11.
Best, rib 16,17 is extended by support body 11 integral body of fin 4 in the same side of flange 13a, 13b and sidewall 15a, 15b.
Provide the inventive method of the gas-liquid heat exchanger 1 that is used to make above-mentioned explanation below.
In the initial step of this method, form ring duct 8 by common plastic deformation operation by linearity tube-shaped catheter with appropriate length.
In this conduit 8, limit this basic linearity tube-shaped catheter 2 like this, it is connected to each other by the bridge piece joint 9 that is integrally formed in the conduit 8.
In the most preferred embodiment of the inventive method, quick Connector coupling 10a, 10b before or after the described step of tube-shaped catheter 2 is provided, link to each other with opposed end 8a, the 8b of conduit 8 or with its monolithic molding.
Then as shown in Figs. 4-6, with tube-shaped catheter 2 transverse compression one predetermined length part, thereby form relative correction side 2a, 2b parallel to each other substantially in described part.
Generally, can finish aligning step by plain edition cold plastic deformation equipment, as have the stamping machine of a plurality of common shape dops 18, adjacent insert 19 can be positioned between the dop 18 with move mode.
When the part aligning step of tube-shaped catheter 2 finishes, tube-shaped catheter 2 obtains to have the correction unit of opposite side 2a, 2b, and opposite side 2a, 2b are substantially parallel to each other and have A/F ' 1 ' (see figure 7) that equals to be limited to the seat 12 end 12b that are suitable for installing tube-shaped catheter 2 substantially.
In the step of following,, be inserted on the part correction unit of tube-shaped catheter 2 along a plurality of fin 4 of pitch direction each interval because the part of flange 13a, 13b overlaps and the part of sidewall 15a, 15b overlaps.
In such operation, end 12b and flange 13a, 13b constitute multiple mode for the guiding slip that is suitable for proofreading and correct the tube-shaped catheter 2 of position among the present 12 bottom 12a of tube-shaped catheter, and bottom 12a is as its final bearing.
Be represented by dotted lines the position among the bottom 12a of tube-shaped catheter 2 present 12 among Fig. 8.
In following step, opposite side 2a, the 2b's of realization tube-shaped catheter 2 correction units is extending transversely so that the shape that the bottom 12a of sidepiece 2a, 2b generation and seat 12 is mated substantially.
Best, finish the lateral magnification step of tube-shaped catheter 2, for example hydraulic pressure press forming by plastic deformation by finishing by conventional equipment commonly known in the art.
The position of tube-shaped catheter 2 and net shape are represented by the solid line among Fig. 8.
At this moment, the fin 4 that is stacked on the tube-shaped catheter 2 forever is connected with tube-shaped catheter by common brazing operation after inserting closure plate 20 and 21 (if there is), for example adopts the metal alloy that is suitable for this purpose such as copper/phosphorus alloy to finish in temperature is stove between 700 ° to 800 °.
With reference to Fig. 9 boiler is described, in the boiler above-mentioned gas-liquid heat exchanger can be installed.
Described boiler by label 6 expressions, is so-called combined boiler, and comprises fuel assembly 22 generally that wherein support burner 7 and air to water heat exchanger 1 usually, burning gases G crosses this fuel assembly 22, discharges by hood 23 at last.
Boiler 6 comprises that also primary hydraulic pressure conduit 24 circulates for elementary warm water of circulation or the water that is used for indoor heating, and this conduit 24 comprises:
Transport conduit 25 to interchanger 1 from the primary water of indoor heating station (not shown);
Circulating pump 26;
Extract the conduit 27 that has heated primary water from interchanger 1;
Triple valve 28, and
A pair of conduit 29,30, its effect be respectively from interchanger 1 carry elementary add hot water or carry to indoor heating station or water-water heat exchanger or secondary interchanger 31 add hot water, secondary interchanger 31 can produce health warm water.
Primary hydraulic pressure conduit 24 comprises the conduit 32 for primary water circulation, and this primary water has flow through delivery conduit 25 and the purpose that secondary interchanger 31 returns primary exchanger 1 and has been to compensate elementary water swellable expansion drum 33.
Boiler 6 comprises that also this conduit comprises for the 2-level hydraulic conduit 34 of health warm water circulation:
Carry the conduit 35 of health warm water to secondary interchanger 31 from the moisture distribution;
Triple valve 28;
Secondary interchanger 31;
Transport conduit 36 to one or more extraction point of boiler 6 outsides from the health warm water of secondary interchanger 31.
Boiler 6 comprises that carrying the conduit 38 of suitable gas fuel such as methane gas to burner 7 is the valve 38 that intercepts conduit 38 and adjust the gas flow rate of carrying to identical burner thus with purpose.
Described conduit 25,29,35,36,37 has corresponding joint 25 ', 29 ', 35 ', 36 ' and 37 ' in normal way and is suitable for linking to each other respectively with indoor heating station, the network of rivers, health water branch point and gas distribution mesh.
Described above by itself being known but the work of the boiler 6 of unshowned device drives is prior art fully, thereby just do not illustrated below.
In the work of above-mentioned gas-liquid heat exchanger 1, gas phase G---burning gases that produced by the burner 7 of boiler 6 constitute in this case---flows in the gas passage 5 that is defined between the fin 4 along the Y-Y direction by ascending motion is bottom-up.
By gas passage 5 time, burning gases surround fin 4, the appreciable heat of fin 4 absorption portion.
Because the horizontal connection that exists between the fin 4 in the downstream of tube-shaped catheter 2, burning gases can not be diverted in the passage 5 and only and just leave interchanger 1 after fully by interchanger 1, effectively the appreciable heat of the part of itself are delivered to fin 4.
Successively by being that conduction is transmitted feedwater and supply the space heating basically, water flows into the flow channel for liquids 3 that is limited in the conduit 8 to the part heat that is delivered to fin 4 by fin, so water is heated to needs temperature.
After finishing a plurality of repeated tests by interchanger of the present invention, the applicant finds, even the heat exchanger low cost of interchanger to be significantly less than prior art also can reach and the known identical heat exchanger effectiveness of heat exchanger with identical thermal capacity.
According to the above description, advantage that the present invention has is very obvious.
Mentioned herein to advantage comprise following some:
-can obtain heat exchanger simple in structure, this heat exchanger does not need to adopt especially high Expensive material and especially complicated process are made, so the cost of this heat exchanger is lower than The cost of present commercially available heat exchanger;
-can obtain high heat-exchange surface and volumetric ratio, obtain thus small and exquisite and weight light Interchanger, this interchanger has high heating power and learns efficient simultaneously.

Claims (17)

1. gas-liquid heat exchanger comprises:
A plurality of basic linearity tube-shaped catheters (2), the longitudinal axis X-X of this conduit (2) extends along first predetermined direction, and wherein defines the runner (3) that is used for the circulation of interchanger (1) liquid;
The a plurality of fin (4) that are substantially parallel to each other and extend to described tube-shaped catheter (2) outside;
What limit between fin (4) makes gas along the mobile a plurality of gas passages (5) of second direction (Y-Y) that are basically perpendicular to tube-shaped catheter (2) longitudinal axis (X-X);
It is characterized in that: described tube-shaped catheter (2) mainly is made of the continuous part of single conduit (8), described part is by being connected to each other with described conduit (8) all-in-one-piece bridge piece joint (9), and described fin (4) has at least one basic U-shaped seat (12) and is used to install described tube-shaped catheter (2), and described fin (4) laterally is connected described seat (12) end (12b) each other in the downstream of tube-shaped catheter (2).
2. heat exchanger as claimed in claim 1, wherein fin (4) is arranged on the described end (12b) of the described seat (12) that is used to install tube-shaped catheter (2), described fin (4) has a pair of flange (13a, 13b) that extends a predetermined length along the described end (12b) of described seat (12) perpendicular to fin (4), described flange (13b) has preset width, and wherein fin (4) laterally connects in tube-shaped catheter (2) downstream each other by described flange (13a, 13b).
3. heat exchanger as claimed in claim 2, seat (12) to the small part that wherein is used to install tube-shaped catheter (2) along the circumferential direction has lasso (14), described lasso extends perpendicular to fin (4) and has preset width, and described lasso (14) is connected with described flange (13a, 13b) and becomes whole.
4. as the arbitrary described heat exchanger of claim 1-3, wherein the relative part of fin (4) has and a pair ofly extends and have the sidewall (15a, 15b) of preset width perpendicular to fin (4), and the relative portion at tube-shaped catheter (2) laterally connects fin (4) each other by described sidewall (15a, 15b).
5. heat exchanger as claimed in claim 1 further comprises the parts that make fin (4) each interval along the pitch direction.
6. heat exchanger as claimed in claim 4, wherein:
The flange of fin (4) (13a, 13b) constitutes 90 ° to 105 ° angle (α with respect to the support body of fin 1), and
Sidewall (15a, 15b) constitutes 80 ° to 105 ° angle (α with respect to the support body of fin (4) 2).
7. heat exchanger as claimed in claim 1, wherein fin (4) has a plurality of basic U-shaped seat (12) that is used to install tube-shaped catheter (2), and have the rib (16,17) that forms between at least one described seat (12) in fin (4) support body (11), so that improve the turbulence level that gas flows into described gas passage (5).
8. heat exchanger as claimed in claim 1 further comprises the fast connecting joint (10a, 10b) that a pair of and described conduit (8) opposed end links to each other.
9. be used for the fin (4) of gas-liquid heat exchanger, comprise: have the plate shape support body (11) of at least one seat that is used to install tube-shaped catheter (2) (12), wherein define runner (3) for liquid circulation in the interchanger (1),
It is characterized in that: the seat (2) that is used to install tube-shaped catheter (2) is basic U-shaped, and its end (12b) has pair of flanges (13a, 13b), and described flange (13a, 13b) has preset width and extends perpendicular to fin (4) apart from described end (12b) predetermined length.
10. fin as claimed in claim 9 (4), seat (12) to the small part that wherein is used to install tube-shaped catheter (2) along the circumferential direction has lasso (14), lasso (14) extends perpendicular to fin (4) and has preset width, and described lasso (14) is connected with described flange (13a, 13b) and becomes whole.
11. fin as claimed in claim 9 (4), wherein the opposed end of plate shape support body (11) has pair of sidewalls (15a, 15b), and described sidewall extends perpendicular to described support body (11) and has a preset width.
12. fin as claimed in claim 9 (4), wherein said plate shape support body (11) has a plurality of basic U-shaped seat (12) that is used to install tube-shaped catheter (2), and has at least one rib (16,17) that forms between the described mount pad (12) in described support body.
13. hot-water heating system comprises arbitrary described heat exchanger as claim 1-8.
14. make method, it is characterized in that it comprises step as the arbitrary described gas-liquid heat exchanger of claim 1-8:
Provide by what a plurality of cylindrical basic linearity tube-shaped catheters (2) constituted to have a predetermined length conduit (8), described tube-shaped catheter (2) is joined to one another by the bridge piece joint (9) that is integrally formed in the described conduit (8);
Part along predetermined length is laterally suppressed described cylindrical tube-shaped conduit (2), thereby forms the correction opposite side (2a, 2b) that is parallel to each other substantially in described part
Thereby the mounting portion correction portion obtains as the arbitrary described a plurality of fin of claim 9-12 (4);
The described correction opposite side (2a, 2b) of the described part of lateral magnification, thus make described part have basic non-circular cross-section, and described cross section mates substantially with the shape that is formed on each mount pad (12) bottom (12a) in the fin (4);
With stationary mode fin 4 is linked to each other with tube-shaped catheter (2).
15. method as claimed in claim 14 is wherein finished the described compacting of tube-shaped catheter (2) and the step of lateral magnification by plastic deformation.
16. method as claimed in claim 14 is wherein finished the stable step that connects fin (4) and tube-shaped catheter (2) by soldering.
17. method as claimed in claim 14 further comprises step: the opposed end (8a, 8b) that a pair of fast connecting joint (10a, 10b) is connected to described conduit (8).
CN 01109321 2001-03-01 2001-03-01 Gas-liquid heat exchanger and its mfg. method Expired - Fee Related CN1243948C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01109321 CN1243948C (en) 2001-03-01 2001-03-01 Gas-liquid heat exchanger and its mfg. method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01109321 CN1243948C (en) 2001-03-01 2001-03-01 Gas-liquid heat exchanger and its mfg. method

Publications (2)

Publication Number Publication Date
CN1373342A true CN1373342A (en) 2002-10-09
CN1243948C CN1243948C (en) 2006-03-01

Family

ID=4657865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01109321 Expired - Fee Related CN1243948C (en) 2001-03-01 2001-03-01 Gas-liquid heat exchanger and its mfg. method

Country Status (1)

Country Link
CN (1) CN1243948C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100412493C (en) * 2002-12-25 2008-08-20 株式会社T.Rad Plate fin for heat exchanger and heat exchanger core
CN105806097A (en) * 2014-12-30 2016-07-27 重庆联合机器制造有限公司 Multi-passage multi-flow air cooler and manufacturing method thereof
CN106755695A (en) * 2017-03-24 2017-05-31 江苏省冶金设计院有限公司 The waste-heat recovery device and gas-based shaft kiln of gas-based shaft kiln
CN106755694A (en) * 2017-03-24 2017-05-31 江苏省冶金设计院有限公司 The waste-heat recovery device and gas-based shaft kiln of gas-based shaft kiln
CN106811564A (en) * 2017-03-24 2017-06-09 江苏省冶金设计院有限公司 The waste-heat recovery device and gas-based shaft kiln of gas-based shaft kiln

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100412493C (en) * 2002-12-25 2008-08-20 株式会社T.Rad Plate fin for heat exchanger and heat exchanger core
CN105806097A (en) * 2014-12-30 2016-07-27 重庆联合机器制造有限公司 Multi-passage multi-flow air cooler and manufacturing method thereof
CN106755695A (en) * 2017-03-24 2017-05-31 江苏省冶金设计院有限公司 The waste-heat recovery device and gas-based shaft kiln of gas-based shaft kiln
CN106755694A (en) * 2017-03-24 2017-05-31 江苏省冶金设计院有限公司 The waste-heat recovery device and gas-based shaft kiln of gas-based shaft kiln
CN106811564A (en) * 2017-03-24 2017-06-09 江苏省冶金设计院有限公司 The waste-heat recovery device and gas-based shaft kiln of gas-based shaft kiln

Also Published As

Publication number Publication date
CN1243948C (en) 2006-03-01

Similar Documents

Publication Publication Date Title
CN1205452C (en) Heat exchanger and making method thereof
CN100342196C (en) Heat exchanger, particularly for a motor vehicle
CN100342195C (en) Heat exchanger
CN100350198C (en) Condensing heat exchanger with double bundle of tubes
CN1234450C (en) Isothermal reactor for exothermic or endothermic heterogeneous reactions
CN1950648A (en) Heat exchanger and water heating device
EP1098156B1 (en) Gas-liquid heat exchanger and method for its manufacture
CN1668887A (en) Unit-type heat exchanger
CN1666076A (en) Heat exchanger in particular an evaporator for a vehicle air-conditioning unit
CN1573274A (en) Turbulator
CN1243948C (en) Gas-liquid heat exchanger and its mfg. method
CN102439390A (en) Heat exchanger and method for manufacturing such
CN1535191A (en) Metal ring assembly which is assembled and soldered to support collar in order to form annular cooling conduit of IC engine piston, method of producing said finned metal ring and metal ring thus
CN1957223A (en) Refrigerant flow section connection structure for use in refrigeration cycle
CN1242072A (en) Heat exchange element for a water heater flue
CN1833142A (en) Finned heat exchanger and method of manufacturing the same
CN1192189C (en) Fossil-fuel fired continuous steam type boiler
JP2011007353A (en) Heat exchanger and water heater
KR20160015945A (en) High efficiency environmental-friendly sensible heat exchanger
US11852377B2 (en) High efficiency tankless water heater
CN1643326A (en) Heat exchanger and cooling system
CN1639530A (en) Device for introducing hot gas into a heating surface pipe of a waste heat boiler
CN1188890A (en) Heat exchanger
CN1138950C (en) Heating unit for oil or gas boiler and modules for producing same
WO2007142529A1 (en) Heat exchanger and heating apparatus provided therewith

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: KANGDEWO PUBLIC CO., LTD.

Free format text: FORMER NAME: JENNONI S.P.A.

CP01 Change in the name or title of a patent holder

Address after: Milan Italy

Patentee after: Kangdewo public limited company

Address before: Milan Italy

Patentee before: Jennoni S.P.A.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060301

Termination date: 20190301