CN114543558A - Novel H-shaped finned tube and H-shaped finned tube heat exchanger - Google Patents

Novel H-shaped finned tube and H-shaped finned tube heat exchanger Download PDF

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Publication number
CN114543558A
CN114543558A CN202210039268.0A CN202210039268A CN114543558A CN 114543558 A CN114543558 A CN 114543558A CN 202210039268 A CN202210039268 A CN 202210039268A CN 114543558 A CN114543558 A CN 114543558A
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CN
China
Prior art keywords
tube
heat exchange
finned tube
fins
heat exchanger
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Pending
Application number
CN202210039268.0A
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Chinese (zh)
Inventor
邬少忠
毛颖超
谷洪刚
李国成
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Zhangjiagang Shunjia Low Temperature Equipment Technology Co ltd
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Zhangjiagang Shunjia Low Temperature Equipment Technology Co ltd
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Priority to CN202210039268.0A priority Critical patent/CN114543558A/en
Publication of CN114543558A publication Critical patent/CN114543558A/en
Pending legal-status Critical Current

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    • 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
    • F28D7/08—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 being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082—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 being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
    • 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
    • F28F1/32—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 having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00—Arrangements for sealing leaky tubes and conduits
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/0075—Supports for plates or plate assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

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  • 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)

Abstract

The invention provides a novel H-shaped finned tube and an H-shaped finned tube heat exchanger, belonging to the technical field of heat exchangers, the novel H-shaped finned tube and the H-shaped finned tube heat exchanger comprise a heat exchange header, wherein a heat exchange mechanism is arranged in the heat exchange header, and the heat exchange mechanism consists of an H-shaped fin double-tube structure, an inlet joint structure and an outlet joint structure which are connected with the head end and the tail end of the H-shaped fin double-tube structure, the whole device has reasonable structure arrangement, ingenious conception, flexible use and high heat exchange efficiency, compared with the common finned tube structure in the heat exchanger, the H-shaped fin double-tube structure in the device is arranged in parallel, fins divide the surface space of a base tube into a plurality of small areas, and has a flow equalizing effect on flue gas, compared with light tubes or spiral fins which are arranged in staggered way, the novel H-shaped finned tube heat exchanger has good steel structure and is not easy to deform, has longer abrasion service life, and the structure can also improve the heat exchange flow rate, the efficiency is improved, the waste of heat energy is avoided, and the practicability is high.

Description

Novel H-shaped finned tube and H-shaped finned tube heat exchanger
Technical Field
The invention belongs to the technical field of heat exchangers, and particularly relates to a novel H-shaped finned tube and an H-shaped finned tube heat exchanger.
Background
The finned tube is a heat exchange element. In order to improve the heat exchange efficiency, fins are usually added on the surface of a heat exchange tube to increase the external surface area (or the internal surface area) of the heat exchange tube, so that the purpose of improving the heat exchange efficiency is achieved.
The finned tube is of various types, the finned tube is provided with an inner finned tube and an outer finned tube according to different fin mounting positions, the outer finned tube is applied universally, the finned tube is provided with a longitudinal finned tube and a transverse finned tube according to different fin arrangement modes, and the finned tube is provided with a round finned tube, an oval finned tube, a flat finned tube and the like according to different shapes of the base tube.
However, the existing finned tube still has a large flow resistance to the flowing smoke side when being installed in a heat exchanger; the heat exchange coefficient of the flue gas side is relatively small; and the fly ash abrasion resistance is not strong enough, the service life is not long enough, the steel structure of the single fin tube is not good, the single fin tube is easy to deform, and the abrasion life is short, so that a novel H-shaped fin tube and an H-shaped fin tube heat exchanger are designed.
Disclosure of Invention
The invention aims to provide a novel H-shaped finned tube and an H-shaped finned tube heat exchanger, and aims to solve the problem that the finned tube installed in the heat exchanger still has large flow resistance on the flowing smoke side in the prior art; the heat exchange coefficient of the flue gas side is relatively small; and the fly ash abrasion resistance is not strong enough, the service life is not long enough, the steel structure of the single-fin tube is not good, the single-fin tube is easy to deform, the abrasion life is short, and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel H type finned tube and H type finned tube heat exchanger includes the heat transfer header, be provided with heat transfer mechanism in the heat transfer header, heat transfer mechanism comprises H type fin double-barrelled structure and the first terminal entrance joint design and the exit joint design of connection at H type fin double-barrelled structure, both sides are provided with installation supporting mechanism around the heat transfer header, H type fin double-barrelled structure includes first parent tube and second parent tube, first parent tube and second parent tube are foldable distribution in the heat transfer header, and all establish to oval form with the second parent tube first parent tube, all weld first fin and the second fin that a plurality of equidistance distribute on first parent tube and the second parent tube, and a plurality of first fins and second fin support first parent tube and second parent tube and are connected.
Preferably, every two adjacent first fins and second fins in the plurality of first fins and second fins are provided with ventilation grooves in the middle of the adjacent ends, and the ventilation grooves are oval.
Preferably, a plurality of first fin and second fin all are fixed with the welding rigging board with first parent tube and second parent tube contact surface, and the welding rigging board laminates with first parent tube and second parent tube mutually.
Preferably, the inlet joint structure is including the integrated chamber, the integrated chamber communicates in the right-hand member of first parent tube and second parent tube, the right side intercommunication in integrated chamber has the heat transfer medium import, the outlet joint structure is including the integrated chamber, the integrated chamber communicates in the right-hand member of first parent tube and second parent tube, the left side intercommunication in integrated chamber has the heat transfer medium export.
Preferably, the left side and the right side of the heat exchange header are respectively communicated with a flue gas outlet and a flue gas inlet, and the flue gas outlet and the flue gas inlet are respectively provided with an angle which is bent outwards.
Preferably, the flue gas inlet and the flue gas outlet are arranged in a staggered manner with the heat exchange medium inlet and the heat exchange medium outlet.
Preferably, the installation supporting mechanism comprises two guard plates, the two guard plates are welded on the front side and the rear side of the heat exchange header respectively, the bottom of each guard plate is fixedly provided with a supporting plate, the top of each supporting plate is fixedly provided with two installation parts, and the installation holes are formed in the installation parts.
Preferably, the bottom parts of the two supporting plates are provided with sponge layers, and the heights of the two supporting plates are lower than the height of the bottom part of the heat exchange header.
Preferably, two penetrating grooves are formed in the left side and the right side of the heat exchange header, the penetrating grooves are matched with the first base pipe and the second base pipe respectively, and sealing buffer rubber layers are arranged between the first base pipe and the four penetrating grooves and between the second base pipe and the four penetrating grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. in the scheme, the whole device is reasonable in structure arrangement, ingenious in conception, flexible in use and high in heat exchange efficiency, compared with a common inner finned tube structure of a heat exchanger, the double-tube structure of the H-shaped fins in the device is arranged in sequence, the fins divide the surface space of the base tube into a plurality of small areas, and the device has a flow equalizing effect on flue gas; the heat exchange coefficient of the flue gas side is relatively small; when the invention is used, the flue gas with heat energy can flow through the heat exchange header, the heat energy in the flue gas is absorbed by the heat exchange medium in the H-shaped fin double-tube structure in the heat exchange header to realize heat exchange and cool the high-temperature flue gas, the double-tube structure can also improve the heat exchange flow of the heat exchange medium, the heat exchange efficiency is improved by matching the first fins and the second fins which are distributed equidistantly on the first base tube and the second base tube in the H-shaped fin double-tube structure, the contact area between the first fins and the second fins can be improved by setting the first base tube and the second base tube into elliptical shapes, the heat conduction efficiency is improved, an inlet joint structure and an outlet joint structure which are connected at the first end and the second end of the H-shaped fin double-tube structure can be respectively used for the inlet and the outlet of the heat exchange medium, the double pipes are combined, so that the use convenience of the device can be improved, and the use stability and the service life of the device can be improved while the device is convenient to mount by matching with the mounting and supporting mechanisms on the front side and the rear side of the heat exchange header;
2. in the scheme, the oval ventilation grooves are formed in the middle parts of the adjacent first fins and second fins in the plurality of first fins and second fins, so that the flowing resistance of the fins to smoke flowing in a heat exchange header can be avoided, the transmission efficiency of the smoke is improved, the contact areas of the smoke and the first base pipe and the second base pipe as well as the contact areas of the smoke and the plurality of first fins and second fins are also improved, welding joint plates which are jointed with the first base pipe and the second base pipe are fixed on the contact surfaces of the plurality of first fins and second fins and the first base pipe and the second base pipe respectively, the welding stability of the plurality of first fins and second fins on the first base pipe and the second base pipe can be improved, the contact areas of the first base pipe and the second fins and the first base pipe and the second base pipe can be improved, the heat exchange efficiency is further improved, the heat exchange medium at the initial ends of the first base pipe and the second base pipe is turned by the two integrated cavities respectively through the inlet joint structure and the outlet joint structure, the heat exchange is realized through an H-shaped fin double-tube structure in the heat exchange header by leading in and leading out a heat exchange medium inlet and a heat exchange medium outlet on two integrated cavities, a smoke outlet and a smoke inlet are respectively communicated with the left side and the right side of the heat exchange header for leading in and leading out smoke into the heat exchange header, and the smoke outlet and the smoke inlet are respectively provided with an outward bending angle, so that the connection and installation convenience of the device and an external smoke source can be improved, the smoke inlet and the smoke outlet, the heat exchange medium inlet and the heat exchange medium outlet are arranged in a staggered manner, so that the smoke can be prevented from being straightly led in and straightly led out, the contact time with a heat exchange mechanism in the heat exchange header is prolonged, the heat exchange efficiency is improved, the installation supporting mechanism is supported by two supporting plates fixed at the bottoms of two guard plates at the front side and the back side of the heat exchange header, and the installation of the whole device can be facilitated by matching two installing pieces fixed at the tops of the guard plates, all be provided with the sponge layer in two backup pad bottoms can improve the stability that the device supported, and highly all be less than the height of heat transfer header bottom with two backup pads and can make whole heat transfer header bottom be in the fretwork state, the contact of heat transfer header with ground has been avoided, microthermal ground can influence the heat exchange efficiency of device, all be provided with sealed cushion rubber layer between the groove of wearing of first parent tube and second parent tube and four setups in the heat transfer header left and right sides and can avoid first parent tube and second parent tube long-time use to appear the displacement, the stability that improves junction between first parent tube and second parent tube and the heat transfer header improves sealed effect simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a second perspective view of FIG. 2 in accordance with the present invention;
FIG. 4 is a partial view taken at A of FIG. 3 in accordance with the present invention;
FIG. 5 is a top view of the present invention;
fig. 6 is a cross-sectional view taken at a-a of fig. 5 in accordance with the present invention.
In the figure: 1. a heat exchange header; 2. a first base pipe; 3. a second base pipe; 4. an integrated cavity; 5. a heat exchange medium inlet; 6. a heat exchange medium outlet; 7. a flue gas inlet; 8. a flue gas outlet; 9. a first fin; 10. a second fin; 11. a ventilation groove; 12. welding the attaching plate; 13. a guard plate; 14. a support plate; 15. a mounting member; 16. mounting holes; 17. and (6) penetrating through the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides an including heat transfer header 1, be provided with heat transfer mechanism in the heat transfer header 1, heat transfer mechanism comprises H type fin double-barrelled tube construction and the first terminal import joint design and the exit joint design of connection at H type fin double-barrelled tube construction, both sides are provided with installation supporting mechanism around the heat transfer header 1, H type fin double-barrelled tube construction includes first parent tube 2 and second parent tube 3, first parent tube 2 and second parent tube 3 are foldable distribution in heat transfer header 1, and first parent tube 2 all establishes to the ellipse circular with second parent tube 3, all weld on first parent tube 2 and the second parent tube 3 have first fin 9 and the second fin 10 that a plurality of equidistance distribute, and a plurality of first fin 9 and second fin 10 support first parent tube 2 and second parent tube 3 to be connected.
In the specific embodiment of the invention, the whole device has reasonable structure, ingenious conception, flexible use and high heat exchange efficiency, compared with the structure of the common inner finned tube of the heat exchanger, the double-tube structure of the H-shaped fin in the device adopts the in-line arrangement, the fin divides the surface space of the base tube into a plurality of small areas, and has the flow equalizing effect on flue gas, compared with a light tube or a spiral fin which is arranged in a staggered way, the double-tube structure has good steel structure and higher wear life, and meanwhile, the structure of the double-tube structure can also improve the heat exchange flow, improve the efficiency, avoid the waste of heat energy, has stronger practicability, and can effectively solve the problem that the flow resistance of the finned tube arranged in the heat exchanger to the circulating flue gas side is still larger; the heat exchange coefficient of the flue gas side is relatively small; when the invention is used, the flue gas with heat energy can flow through the heat exchange header 1, the heat energy in the flue gas is absorbed by the heat exchange medium in the H-shaped fin double-tube structure in the heat exchange header 1 to realize heat exchange and cool the high-temperature flue gas, the double-tube structure can also improve the heat exchange flow of the heat exchange medium, the heat exchange efficiency is improved by matching the first fins 9 and the second fins 10 which are distributed equidistantly on the first base tube 2 and the second base tube 3 in the H-shaped fin double-tube structure, the contact area between the first fins 9 and the second fins 10 can be improved by setting the first base tube 2 and the second base tube 3 to be elliptical shapes, the heat conduction efficiency is improved, an inlet and an outlet which are connected with the first end and the second end of the H-shaped fin double-tube structure can be respectively used for the inlet and the outlet of the heat exchange medium, and with double-barrelled combination, can improve the convenient degree of use of device, the installation supporting mechanism of both sides can be convenient for when the installation improves device stability in use and life around the cooperation heat transfer header 1.
Specifically, the middle parts of the ends, close to each other, of each of the first fins 9 and the second fins 10, which are close to each other, of each of the first fins 9 and the second fins 10 are provided with air permeation grooves 11, and the air permeation grooves 11 are oval.
In this embodiment: the first fins 9 and the second fins 10 which are close to each other in every two of the first fins 9 and the second fins 10 are close to the middle of the end, and the oval air-permeable grooves 11 are formed in the middle of the end, so that the flow resistance of the fins to the smoke flowing in the heat exchange header 1 can be avoided, the transmission efficiency of the smoke is improved, and the contact area between the smoke and the first base pipe 2, the second base pipe 3 and the first fins 9 and the second fins 10 is also improved.
Specifically, a plurality of first fins 9 and second fins 10 and the contact surface of first parent tube 2 and second parent tube 3 are all fixed with welding joint plate 12, and welding joint plate 12 is laminated with first parent tube 2 and second parent tube 3 mutually.
In this embodiment: all be fixed with the welding rigging board 12 of laminating mutually with first parent tube 2 and second parent tube 3 at a plurality of first fins 9 and second fin 10 and first parent tube 2 and second parent tube 3 contact surface, not only can improve a plurality of first fins 9 and second fin 10 welded stability on first parent tube 2 and second parent tube 3, also can improve the area of contact of first fin 9 and second fin 10 and first parent tube 2 and second parent tube 3 simultaneously, and then improve heat exchange efficiency.
Specifically, the inlet joint structure includes integrated chamber 4, and integrated chamber 4 communicates in the right-hand member of first parent tube 2 and second parent tube 3, and the right side intercommunication of integrated chamber 4 has heat transfer medium import 5, and the outlet joint structure includes integrated chamber 4, and integrated chamber 4 communicates in the right-hand member of first parent tube 2 and second parent tube 3, and the left side intercommunication of integrated chamber 4 has heat transfer medium export 6.
In this embodiment: inlet joint structure and outlet joint structure are turned to the heat transfer medium of first parent tube 2 and second parent tube 3 beginning end by two integrated chambeies 4 respectively to heat transfer medium import 5 and the leading-in and derive of heat transfer medium export 6 on two integrated chambeies 4, the double-barrelled structure of H type fin realizes the heat transfer in heat transfer header 1.
Specifically, the left side and the right side of the heat exchange header 1 are respectively communicated with a flue gas outlet 8 and a flue gas inlet 7, and the flue gas outlet 8 and the flue gas inlet 7 are respectively provided with an angle which is bent outwards.
In this embodiment: the left side and the right side of the heat exchange header 1 are respectively communicated with a flue gas outlet 8 and a flue gas inlet 7 for leading in and leading out flue gas in the heat exchange header 1, and the flue gas outlet 8 and the flue gas inlet 7 are respectively provided with an outward turning angle, so that the connection and installation convenience of the device and an external flue gas source can be improved.
Specifically, the flue gas inlet 7 and the flue gas outlet 8 are arranged in a staggered manner with the heat exchange medium inlet 5 and the heat exchange medium outlet 6.
In this embodiment: the flue gas inlet 7 and the flue gas outlet 8 are arranged in a staggered mode with the heat exchange medium inlet 5 and the heat exchange medium outlet 6, so that the flue gas can be prevented from going in and going out directly, the contact time with a heat exchange mechanism in the heat exchange header 1 is prolonged, and the heat exchange efficiency is improved.
Specifically, installation supporting mechanism includes two backplate 13, and two backplate 13 weld respectively in heat transfer header 1 front and back both sides, and the bottom of two backplate 13 all is fixed with backup pad 14, and the top of backup pad 14 all is fixed with two installed parts 15, has all seted up mounting hole 16 on four installed parts 15.
In this embodiment: the mounting and supporting mechanism is supported by two supporting plates 14 fixed at the bottoms of two guard plates 13 at the front and rear sides of the heat exchange header 1, and two mounting pieces 15 fixed at the top of the guard plates 13 are matched with two mounting holes 16 to facilitate the mounting of the whole device.
Specifically, the bottoms of the two supporting plates 14 are provided with sponge layers, and the heights of the two supporting plates 14 are lower than the height of the bottom of the heat exchange header 1.
In this embodiment: all be provided with the sponge layer in two backup pads 14 bottoms and can improve the stability that the device supported to highly all being less than 1 bottoms of heat transfer header with two backup pads 14 highly can make 1 bottoms of whole heat transfer header be in the fretwork state, avoided the contact on heat transfer header 1 and ground, microthermal ground can influence the heat exchange efficiency of device.
Specifically, two wearing grooves 17 have all been seted up to the left and right sides of heat transfer header 1, and a plurality of wearing grooves 17 respectively with first parent tube 2 and 3 phase-matchs of second parent tube, all be provided with sealed cushion rubber layer between first parent tube 2 and second parent tube 3 and four wearing grooves 17.
In this embodiment: all be provided with the sealed cushion rubber layer between first parent tube 2 and second parent tube 3 and four wear grooves 17 of seting up in the heat transfer header 1 left and right sides and can avoid first parent tube 2 and second parent tube 3 long-time use the displacement to appear, improve the stability of junction between first parent tube 2 and second parent tube 3 and the heat transfer header 1 and improve sealed effect simultaneously.
The working principle and the using process of the invention are as follows: when the invention is used, flue gas with heat energy can flow through the heat exchange header 1, heat energy in the flue gas is absorbed through the heat exchange medium in the H-shaped fin double-tube structure in the heat exchange header 1 to realize heat exchange and cool high-temperature flue gas, the double-tube structure can also improve the heat exchange flow of the heat exchange medium, the heat exchange efficiency is improved by matching with a plurality of first fins 9 and second fins 10 which are distributed at equal intervals on the first base tube 2 and the second base tube 3 in the H-shaped fin double-tube structure, the contact area between the first fins 9 and the second fins 10 can be improved by setting the first base tube 2 and the second base tube 3 into an elliptical shape, the heat conduction efficiency is improved, an inlet joint structure and an outlet joint structure which are connected to the head end and the tail end of the H-shaped fin double-tube structure can be respectively used for the inlet and the outlet of the heat exchange medium, and the double tubes are combined, so that the use convenience of the device can be improved, improve device stability in use and life in the time of both sides's installation supporting mechanism can be convenient for install around cooperation heat transfer header 1, first fin 9 and second fin 10 that every two are close to mutually in a plurality of first fin 9 and second fin 10 are close to the end middle part mutually and have all been seted up oval ventilative groove 11, can avoid the fin to the flue gas flow resistance of circulation in the heat transfer header 1, the transmission efficiency of flue gas is improved, also improve the area of contact of flue gas and first parent tube 2 and second parent tube 3 and a plurality of first fin 9 and second fin 10, all be fixed with the welding rigging board 12 of laminating mutually with first parent tube 2 and second parent tube 3 at a plurality of first fin 9 and second fin 10 and first parent tube 2 and second parent tube 3 contact surface, not only can improve a plurality of first fin 9 and second fin 10 welded stability on first parent tube 2 and second parent tube 3, also can improve the contact surface of first fin 9 and second fin 10 and first parent tube 2 and second parent tube 3 simultaneously, simultaneously The heat exchange medium at the beginning and the end of the first base tube 2 and the second base tube 3 is turned by the inlet joint structure and the outlet joint structure respectively through the two integrated cavities 4, and is led in and led out through the heat exchange medium inlets 5 and the heat exchange medium outlets 6 on the two integrated cavities 4, heat exchange is realized through an H-shaped fin double-tube structure in the heat exchange header 1, the left side and the right side of the heat exchange header 1 are respectively communicated with the flue gas outlet 8 and the flue gas inlet 7 for leading in and leading out flue gas into the heat exchange header 1, the flue gas outlet 8 and the flue gas inlet 7 are respectively provided with an outward bending angle, so that the connection and installation convenience of the device and an external flue gas source can be improved, the flue gas inlet 7 and the flue gas outlet 8 are arranged in a staggered manner with the heat exchange medium inlets 5 and the heat exchange medium outlets 6, the flue gas can be prevented from being directly led in and directly discharged, the contact time with the heat exchange mechanism in the heat exchange header 1 is prolonged, the heat exchange efficiency is improved, the mounting and supporting mechanism is supported by two supporting plates 14 at the bottoms of two guard plates 13 fixed at the front side and the rear side of the heat exchange header 1, the two mounting parts 15 fixed at the top of the guard plates 13 are matched with two mounting holes 16 to facilitate the mounting of the whole device, the sponge layers are arranged at the bottoms of the two supporting plates 14 to improve the supporting stability of the device, and the heights of the two supporting plates 14 are lower than the bottom of the heat exchange header 1 to ensure that the bottom of the whole heat exchange header 1 is in a hollow state, so that the heat exchange header 1 is prevented from being contacted with the ground, the heat exchange efficiency of the device is influenced by the low-temperature ground, and the sealing and buffering rubber layers are arranged between the first base tube 2 and the second base tube 3 and the four through grooves 17 arranged at the left side and the right side of the heat exchange header 1 to prevent the first base tube 2 and the second base tube 3 from displacement after being used for a long time, the stability of joints between the first base pipe 2 and the second base pipe 3 and the heat exchange header 1 is improved, the sealing effect is improved, the whole device is reasonable in structure arrangement, ingenious in conception, flexible to use and high in heat exchange efficiency, compared with a common fin pipe structure in a heat exchanger, the double-pipe structure of the H-shaped fins in the device is arranged in sequence, the fins divide the surface space of the base pipe into a plurality of small areas, and the flow equalizing effect on smoke is achieved; the heat exchange coefficient of the flue gas side is relatively small; and the fly ash abrasion resistance is not strong enough, the service life is not long enough, the steel structure of the single-fin tube is not good, the single-fin tube is easy to deform, the abrasion life is short, and the like.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a novel H type finned tube and H type finned tube heat exchanger which characterized in that: comprises a heat exchange header (1), a heat exchange mechanism is arranged in the heat exchange header (1), the heat exchange mechanism consists of an H-shaped fin double-tube structure, an inlet joint structure and an outlet joint structure which are connected with the head end and the tail end of the H-shaped fin double-tube structure, the front side and the rear side of the heat exchange header (1) are provided with mounting and supporting mechanisms, the H-shaped fin double-tube structure comprises a first base tube (2) and a second base tube (3), the first base pipe (2) and the second base pipe (3) are in folding distribution in the heat exchange header (1), the first base pipe (2) and the second base pipe (3) are both elliptical, a plurality of first fins (9) and second fins (10) which are distributed at equal intervals are welded on the first base pipe (2) and the second base pipe (3), and the first base pipe (2) and the second base pipe (3) are supported and connected by a plurality of first fins (9) and second fins (10).
2. The novel H-type finned tube and H-type finned tube heat exchanger according to claim 1 wherein: and each two of the first fins (9) and the second fins (10) are close to each other, the middle parts of the close ends of the first fins (9) and the second fins (10) are provided with ventilating grooves (11), and the ventilating grooves (11) are oval.
3. The novel H-type finned tube and H-type finned tube heat exchanger as claimed in claim 2, characterized in that: a plurality of first fin (9) and second fin (10) all are fixed with welding rigging board (12) with first parent tube (2) and second parent tube (3) contact surface, and welding rigging board (12) are laminated with first parent tube (2) and second parent tube (3) mutually.
4. The novel H-type finned tube and H-type finned tube heat exchanger according to claim 3 wherein: the inlet joint structure is including integrating chamber (4), integrating chamber (4) communicate in the right-hand member of first parent tube (2) and second parent tube (3), the right side intercommunication in integrating chamber (4) has heat transfer medium import (5), the outlet joint structure is including integrating chamber (4), integrating chamber (4) communicate in the right-hand member of first parent tube (2) and second parent tube (3), the left side intercommunication in integrating chamber (4) has heat transfer medium export (6).
5. The novel H-type finned tube and H-type finned tube heat exchanger as claimed in claim 4, wherein: the left side and the right side of the heat exchange header (1) are respectively communicated with a flue gas outlet (8) and a flue gas inlet (7), and the flue gas outlet (8) and the flue gas inlet (7) are respectively provided with an angle which is bent outwards.
6. The novel H-type finned tube and H-type finned tube heat exchanger as claimed in claim 5, wherein: the flue gas inlet (7) and the flue gas outlet (8) are arranged in a staggered manner with the heat exchange medium inlet (5) and the heat exchange medium outlet (6).
7. The novel H-type finned tube and H-type finned tube heat exchanger as claimed in claim 6, characterized in that: the installation supporting mechanism comprises two guard plates (13), two guard plates (13) are welded on the front side and the rear side of the heat exchange header (1) respectively, two supporting plates (14) are fixed to the bottoms of the guard plates (13), two mounting pieces (15) are fixed to the tops of the supporting plates (14), and four mounting holes (16) are formed in the mounting pieces (15).
8. The novel H-type finned tube and H-type finned tube heat exchanger according to claim 7 wherein: sponge layers are arranged at the bottoms of the two supporting plates (14), and the heights of the two supporting plates (14) are lower than the height of the bottom of the heat exchange header (1).
9. The novel H-type finned tube and H-type finned tube heat exchanger according to claim 8 wherein: two penetrating grooves (17) are formed in the left side and the right side of the heat exchange header (1), the penetrating grooves (17) are respectively matched with the first base pipe (2) and the second base pipe (3), and sealing buffer rubber layers are arranged between the first base pipe (2) and the second base pipe (3) and between the four penetrating grooves (17).
CN202210039268.0A 2022-01-13 2022-01-13 Novel H-shaped finned tube and H-shaped finned tube heat exchanger Pending CN114543558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210039268.0A CN114543558A (en) 2022-01-13 2022-01-13 Novel H-shaped finned tube and H-shaped finned tube heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210039268.0A CN114543558A (en) 2022-01-13 2022-01-13 Novel H-shaped finned tube and H-shaped finned tube heat exchanger

Publications (1)

Publication Number Publication Date
CN114543558A true CN114543558A (en) 2022-05-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210039268.0A Pending CN114543558A (en) 2022-01-13 2022-01-13 Novel H-shaped finned tube and H-shaped finned tube heat exchanger

Country Status (1)

Country Link
CN (1) CN114543558A (en)

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