CN108072287A - A kind of heat exchanger - Google Patents
A kind of heat exchanger Download PDFInfo
- Publication number
- CN108072287A CN108072287A CN201711226047.XA CN201711226047A CN108072287A CN 108072287 A CN108072287 A CN 108072287A CN 201711226047 A CN201711226047 A CN 201711226047A CN 108072287 A CN108072287 A CN 108072287A
- Authority
- CN
- China
- Prior art keywords
- heat
- tube
- straight tube
- heat exchanger
- bobbin carriage
- 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
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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
- F28D7/0025—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Fluid Heaters (AREA)
Abstract
The invention discloses a kind of heat exchanger, including housing and first bobbin carriage and the second bobbin carriage at housing both ends are respectively arranged on；The in vivo upper and lower part of shell is respectively equipped with columned burner, each combustor level arrangement, and the periphery of each burner is equipped with two circle heat-exchanging tube bundles, the two circles heat-exchanging tube bundle is formed respectively by multiple heat exchange straight tubes around the circumference uniform distribution of burner, and the heat exchange straight tube in inner ring heat-exchanging tube bundle is staggeredly intervally arranged with the heat exchange straight tube in the heat-exchanging tube bundle of outer ring；It is restrained equipped with condensing heat-exchange at the in vivo middle part of shell, by multiple finned tubes, circumferentially formula uniformly forms for condensing heat-exchange tube bank, and finned tube includes straight tube and the fin arranged on straight tube, axial equidistantly distributed of the fin along straight tube, and fin tool, there are two bending part, which is located at straight tube both sides respectively；First bobbin carriage is equipped with corresponding inlet and outlet.A kind of heat exchanger of the present invention, it is rational in infrastructure, effectively increase the heat exchange efficiency of heat exchanger.
Description
Technical field
The present invention relates to a kind of heat exchangers.
Background technology
Heat exchanger is widely used in the industrial circles such as petrochemical industry, electric power, environmental protection.Heat exchanger is a kind of the two of different temperatures
Kind or two or more fluids between realize the energy-saving equipment of heat transfer between material, be that heat is made to be transferred by the higher fluid of temperature
It gives temperature relatively low fluid, fluid temperature (F.T.) is made to reach the index of flow specification, to meet the needs of process conditions, while be also to carry
One of capital equipment of high energy source utilization rate.The contact area of heat exchanger tube and flue gas stream is smaller in traditional Heat supply and heat exchange device so that
Heat exchanger tube is difficult to fully absorb the heat in flue gas stream, causes heat exchange efficiency relatively low, and for water vapor condensation in flue gas stream
The heat utilization ratio released is not high.
The content of the invention
It is rational in infrastructure it is an object of the invention to provide a kind of heat exchanger, increase the contact surface of heat exchanger tube and flue gas
Product, and the latent heat in flue gas is taken full advantage of, effectively increase the heat exchange efficiency of heat exchanger.
To achieve the above object, the technical scheme is that designing a kind of heat exchanger, including housing, the first bobbin carriage and
Two bobbin carriages, first bobbin carriage and the second bobbin carriage are connected to the both ends of housing；The in vivo upper and lower part difference of shell
Equipped with columned burner, each combustor level arrangement, and the periphery of each burner is equipped with two circle heat-exchanging tube bundles, which changes
Heat pipe bundle includes inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle, and the inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle are changed respectively by multiple
Hot straight tube is formed around the circumference uniform distribution of burner, and the heat exchange straight tube in inner ring heat-exchanging tube bundle and changing in the heat-exchanging tube bundle of outer ring
Hot straight tube is staggeredly intervally arranged；The above-mentioned in vivo middle part of shell is restrained equipped with condensing heat-exchange, which restrains by multiple fins
Circumferentially formula uniformly forms pipe, and the finned tube includes straight tube and the fin arranged on straight tube, and the fin is axial etc. along straight tube
Spacing is distributed, and fin tool, there are two bending part, which is located at straight tube both sides respectively；Above-mentioned first bobbin carriage by upper and
Under successively be equipped with the first water outlet, two water inlets and the second water outlet, first water outlet with positioned at housing upper two
Heat-exchanging tube bundle connection is enclosed, described two water inlets are connected with the tube bank of above-mentioned condensing heat-exchange, and second water outlet is with being located at housing
Two circle heat-exchanging tube bundle connections of lower part.
Preferably, the inner side and outer side of the finned tube is respectively equipped with flue gas guide plate, and each flue gas guide plate is equipped with and leads
Xiang Kong.
Preferably, the smoke outlet for connecting middle part in above-mentioned housing is additionally provided on first bobbin carriage, which is located at upper
Between stating two water inlets, the smoke outlet is equipped with bellows, and the top surface of the bellows is equipped with exhanst gas outlet.
Preferably, second bobbin carriage is equipped with mounting hole, and mounting hole is used to install burner.
Preferably, the bottom surface of the housing is equipped with condensation-water drain.
Preferably, the heat exchange straight tube and finned tube are made of stainless steel.
Preferably, the heat exchanger further include between housing and the first bobbin carriage and housing and the second bobbin carriage between
Tube sheet, the tube sheet are equipped with to install the through hole of above-mentioned heat exchange straight tube and finned tube, the heat exchange straight tube and finned tube
End is draw section, which is inserted into above-mentioned through hole and stretches out tube sheet, and part and the pipe of tube sheet are stretched out in the draw section
The joint of plate is welded with circular weld.
The advantages of the present invention are：
1st, high-temperature flue gas flows to the middle part of housing in the upper and lower part of housing respectively after heat exchange, and vapor is cold in flue gas
Condensed water is formed on the finned tube of solidifying heat-exchanging tube bundle and discharges heat, the current in finned tube is preheated, takes full advantage of flue gas
In latent heat, while also reduce flue gas discharge when temperature.
2nd, the straight tube that exchanges heat staggeredly is intervally arranged, and increases the contact area of heat exchange straight tube and flue gas.
3rd, fin has bending part, reduces the spacing of adjacent fins pipe so that the overall volume of heat exchanger reduces.
4th, the bootable flue gas of flue gas guide pin and finned tube come into full contact with.
5th, two burners built in heat exchanger close corresponding tube bank when one of them breaks down, another is also
Normal work can be maintained, improves the stability of heat exchanger.
6th, since smoke outlet and two water inlets are arranged on first case pipe so that outflow direction and the condensation of flue gas are changed
Water (flow) direction in heat pipe bundle improves heat exchange efficiency on the contrary, so as to form countercurrent flow.
7th, since condensed water is in faintly acid, therefore heat exchange straight tube and finned tube are made of stainless steel, and increase heat exchange
The service life of straight tube and finned tube.
8th, the end of exchange heat straight tube and finned tube is processed to form draw section by the draw, thus makes adjacent heat exchange straight tube
Between and adjacent fins pipe between welding portion spacing increase, and do not change the spacing of heat exchanging part, it is difficult to reduce welding
Degree, and do not influence heat transfer effect.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of heat exchanger in the present invention.
Fig. 2 is the left view structural representation of heat exchanger in the present invention.
Fig. 3 is the I of Fig. 2 to enlarged diagram.
Fig. 4 is the II of Fig. 2 to enlarged diagram.
Fig. 5 is the schematic diagram of finned tube in the present invention.
Fig. 6 is the attachment structure schematic diagram of tube sheet and heat exchange straight tube in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is further described.Following embodiment is only
For clearly illustrating technical scheme, and it is not intended to limit the protection scope of the present invention and limits the scope of the invention.
The technical solution that the present invention is embodied is：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of heat exchanger is described including housing 1, the first bobbin carriage 2 and the second bobbin carriage 3
First bobbin carriage 2 and the second bobbin carriage 3 are connected to the both ends of housing 1；Upper and lower part in the housing 1 is respectively equipped with cylinder
The burner 4 of shape, each burner 4 is horizontally disposed, and the periphery of each burner 4 is equipped with two circle heat-exchanging tube bundles, the two circles heat exchanger tube
Beam includes inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle, and the inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle are straight by multiple heat exchange respectively
Pipe 5 is formed around the circumference uniform distribution of burner 4, and the heat exchange straight tube 5 in inner ring heat-exchanging tube bundle and changing in the heat-exchanging tube bundle of outer ring
Hot straight tube 5 is staggeredly intervally arranged；Middle part in above-mentioned housing 1 is restrained equipped with condensing heat-exchange, which restrains by multiple wings
Circumferentially formula uniformly forms piece pipe 6, and the finned tube 6 includes straight tube and the fin 7 arranged on straight tube, and the fin 7 is along straight tube
Axial equidistantly distributed, and the tool of fin 7, there are two bending part 8, which is located at straight tube both sides respectively；Above-mentioned first
Bobbin carriage 2 is from top to bottom equipped with the first water outlet, two water inlets and the second water outlet successively, and first water outlet is with being located at shell
The two circle heat-exchanging tube bundle connections on 1 top of body, described two water inlets are connected with the tube bank of above-mentioned condensing heat-exchange, second water outlet
It is connected with the two circle heat-exchanging tube bundles positioned at 1 lower part of housing.
It is come into full contact with for guiding flue gas with finned tube 6, respectively flue gas is set to be oriented in the inner side and outer side of above-mentioned finned tube 6
Plate 9, each flue gas guide plate 9 are equipped with pilot hole.
The smoke outlet for connecting middle part in above-mentioned housing 1 is additionally provided on above-mentioned first bobbin carriage 2, which is located at above-mentioned two
Between a water inlet, the smoke outlet is equipped with bellows 10, and the top surface of the bellows 10 is equipped with exhanst gas outlet 11.Above-mentioned second bobbin carriage
3 are equipped with mounting hole 12, and mounting hole 12 is used to install burner 4.
For ease of discharging condensed water, condensation-water drain is equipped in the bottom surface of above-mentioned housing 1.Since condensed water is in faintly acid,
Heat exchange straight tube 5 and finned tube 6 are made of stainless steel, and add heat exchange 6 service life of straight tube 5 and finned tube.
In addition, as shown in fig. 6, above-mentioned heat exchanger further includes between 1 and first bobbin carriage 2 of housing and housing 1 and
Tube sheet 13 between two bobbin carriages 3, the tube sheet 13 are equipped with to install above-mentioned 5 through hole of heat exchange straight tube, the heat exchange straight tube 5
End is draw section 14, which is inserted into above-mentioned through hole and stretches out tube sheet 13, stretches out tube sheet 13 in the draw section 14
Part and the joint of tube sheet 13 are welded with circular weld 15.The end of finned tube 6 is also draw section, and using aforesaid way
It is connected with tube sheet 13.The end of exchange heat straight tube 5 and finned tube 6 is processed to form draw section 14 by the draw, is thus made adjacent
The spacing of welding portion increases between heat exchange straight tube 5 and between adjacent fins pipe 6, and does not change the spacing of heat exchanging part, drops
Low welding difficulty, and do not influence heat transfer effect.
During work, current flow into condensing heat-exchange tube bank from two water inlets, and high-temperature flue gas is passed through in the upper and lower part of housing 1
It crosses after exchanging heat and flows to the middle part of housing 1 respectively, condensation is formed on the finned tube 6 that then vapor is restrained in condensing heat-exchange in flue gas
Water simultaneously discharges heat, makes the current preheating in condensing heat-exchange tube bank, and the latent heat of flue gas is taken full advantage of before flue gas discharge, and
Reduce temperature during flue gas discharge；Bellows 10 are for guiding flue gas to discharge, since bellows 10 and two water inlets are arranged at
On first case pipe 2, the outflow direction of such flue gas so as to form adverse current just with water (flow) direction in condensing heat-exchange tube bank on the contrary, change
Heat improves heat exchange efficiency.Current by preheating enclose heat-exchanging tube bundles by flowing to the two of 1 top of housing after second case pipe 3 respectively
In two circle heat-exchanging tube bundles of 1 lower part of housing, flowed out after finally absorbing the heat of high-temperature flue gas from corresponding water outlet.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of heat exchanger, which is characterized in that including housing, the first bobbin carriage and the second bobbin carriage, first bobbin carriage and the second pipe
Case is connected to the both ends of housing；The in vivo upper and lower part of shell is respectively equipped with columned burner, each burner
It is horizontally disposed, and the periphery of each burner, equipped with two circle heat-exchanging tube bundles, the two circle heat-exchanging tube bundle is including inner ring heat-exchanging tube bundle and outside
Heat-exchanging tube bundle is enclosed, the inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle are surrounded the circumference uniform distribution of burner by multiple heat exchange straight tubes respectively
It forms, and the heat exchange straight tube in inner ring heat-exchanging tube bundle is staggeredly intervally arranged with the heat exchange straight tube in the heat-exchanging tube bundle of outer ring；Above-mentioned shell
In vivo middle part is restrained equipped with condensing heat-exchange, and by multiple finned tubes, circumferentially formula uniformly forms for condensing heat-exchange tube bank, the wing
Piece pipe includes straight tube and the fin arranged on straight tube, axial equidistantly distributed of the fin along straight tube, and fin tool, and there are two foldings
Turn of bilge, two bending parts are located at straight tube both sides respectively；Above-mentioned first bobbin carriage from top to bottom successively be equipped with the first water outlet, two
Water inlet and the second water outlet, first water outlet with positioned at housing upper two circle heat-exchanging tube bundles connect, it is described two into
The mouth of a river is connected with the tube bank of above-mentioned condensing heat-exchange, and second water outlet is connected with the two circle heat-exchanging tube bundles positioned at lower housing portion.
2. heat exchanger according to claim 1, which is characterized in that the inner side and outer side of the finned tube is respectively equipped with flue gas
Guide plate, each flue gas guide plate are equipped with pilot hole.
3. heat exchanger according to claim 2, which is characterized in that be additionally provided on first bobbin carriage in the above-mentioned housing of connection
The smoke outlet at middle part, for the smoke outlet between above-mentioned two water inlet, the smoke outlet is equipped with bellows, the top surface of the bellows
Equipped with exhanst gas outlet.
4. heat exchanger according to claim 3, which is characterized in that second bobbin carriage is equipped with mounting hole, and mounting hole is used
In installation burner.
5. heat exchanger according to claim 4, which is characterized in that the bottom surface of the housing is equipped with condensation-water drain.
6. heat exchanger according to claim 5, which is characterized in that the heat exchange straight tube and finned tube use stainless steel
Material is made.
7. heat exchanger according to claim 6, which is characterized in that the heat exchanger is further included arranged on housing and the first bobbin carriage
Between and the tube sheet between housing and the second bobbin carriage, the tube sheet be equipped with that above-mentioned heat exchange straight tube and finned tube are installed
The end of through hole, the heat exchange straight tube and finned tube is draw section, which is inserted into above-mentioned through hole and stretches out tube sheet, described
The part of tube sheet is stretched out in draw section and the joint of tube sheet is welded with circular weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226047.XA CN108072287A (en) | 2017-11-29 | 2017-11-29 | A kind of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226047.XA CN108072287A (en) | 2017-11-29 | 2017-11-29 | A kind of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108072287A true CN108072287A (en) | 2018-05-25 |
Family
ID=62157917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711226047.XA Pending CN108072287A (en) | 2017-11-29 | 2017-11-29 | A kind of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108072287A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114811A (en) * | 2018-09-12 | 2019-01-01 | 广东万和新电气股份有限公司 | A kind of fin-tube heat exchanger |
| CN110425921A (en) * | 2019-08-28 | 2019-11-08 | 浙江工业大学 | A kind of heat exchanger fin of Fumigator heat reclaim unit |
| CN110763047A (en) * | 2019-11-18 | 2020-02-07 | 中国恩菲工程技术有限公司 | shell and tube evaporator |
| CN111780583A (en) * | 2020-06-05 | 2020-10-16 | 广东万和新电气股份有限公司 | Heat exchanger |
| CN113237077A (en) * | 2021-04-09 | 2021-08-10 | 代少东 | Condensation heat exchanger structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089570U (en) * | 1990-09-28 | 1991-11-27 | 广州市锅炉工业公司 | Verticle automatic control oil (gas) burning boiler |
| CN201078704Y (en) * | 2007-09-11 | 2008-06-25 | 何俊南 | Condensing recover type vacuum hot water boiler |
| US20080223314A1 (en) * | 2007-02-28 | 2008-09-18 | Joseph Le Mer | Condensation heat exchanger including 2 primary bundles and a secondary bundle |
| CN202928095U (en) * | 2012-09-21 | 2013-05-08 | 苏州成强换热器有限公司 | Heat exchanging structure with air pre-heater |
| CN103148734A (en) * | 2013-03-29 | 2013-06-12 | 茂名重力石化机械制造有限公司 | Connection structure between heat exchange pipe and pipe plate for preventing clearance corrosion of shell pass side |
| CN104913499A (en) * | 2015-04-30 | 2015-09-16 | 张国银 | Vertical type fuel oil and fuel gas normal pressure hot water boiler |
| CN106091375A (en) * | 2016-07-29 | 2016-11-09 | 杭州天霸光电科技有限公司 | A kind of gas fuel air stove |
| CN207622577U (en) * | 2017-11-29 | 2018-07-17 | 苏州格瑞码能源环保科技有限公司 | A kind of heat exchanger |
-
2017
- 2017-11-29 CN CN201711226047.XA patent/CN108072287A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089570U (en) * | 1990-09-28 | 1991-11-27 | 广州市锅炉工业公司 | Verticle automatic control oil (gas) burning boiler |
| US20080223314A1 (en) * | 2007-02-28 | 2008-09-18 | Joseph Le Mer | Condensation heat exchanger including 2 primary bundles and a secondary bundle |
| CN201078704Y (en) * | 2007-09-11 | 2008-06-25 | 何俊南 | Condensing recover type vacuum hot water boiler |
| CN202928095U (en) * | 2012-09-21 | 2013-05-08 | 苏州成强换热器有限公司 | Heat exchanging structure with air pre-heater |
| CN103148734A (en) * | 2013-03-29 | 2013-06-12 | 茂名重力石化机械制造有限公司 | Connection structure between heat exchange pipe and pipe plate for preventing clearance corrosion of shell pass side |
| CN104913499A (en) * | 2015-04-30 | 2015-09-16 | 张国银 | Vertical type fuel oil and fuel gas normal pressure hot water boiler |
| CN106091375A (en) * | 2016-07-29 | 2016-11-09 | 杭州天霸光电科技有限公司 | A kind of gas fuel air stove |
| CN207622577U (en) * | 2017-11-29 | 2018-07-17 | 苏州格瑞码能源环保科技有限公司 | A kind of heat exchanger |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114811A (en) * | 2018-09-12 | 2019-01-01 | 广东万和新电气股份有限公司 | A kind of fin-tube heat exchanger |
| CN110425921A (en) * | 2019-08-28 | 2019-11-08 | 浙江工业大学 | A kind of heat exchanger fin of Fumigator heat reclaim unit |
| CN110763047A (en) * | 2019-11-18 | 2020-02-07 | 中国恩菲工程技术有限公司 | shell and tube evaporator |
| CN111780583A (en) * | 2020-06-05 | 2020-10-16 | 广东万和新电气股份有限公司 | Heat exchanger |
| CN113237077A (en) * | 2021-04-09 | 2021-08-10 | 代少东 | Condensation heat exchanger structure |
| CN113237077B (en) * | 2021-04-09 | 2022-04-19 | 代少东 | Condensation heat exchanger structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180525 |
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| RJ01 | Rejection of invention patent application after publication |