CN108413614A - Full pre-mix condensing heat-exchanger rig - Google Patents
Full pre-mix condensing heat-exchanger rig Download PDFInfo
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- CN108413614A CN108413614A CN201810444338.4A CN201810444338A CN108413614A CN 108413614 A CN108413614 A CN 108413614A CN 201810444338 A CN201810444338 A CN 201810444338A CN 108413614 A CN108413614 A CN 108413614A
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- flue gas
- heat exchange
- high temperature
- heat
- temperature flue
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/0005—Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems
- F28D21/0007—Water heaters
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of full pre-mix condensing heat-exchanger rig, including shell, high temperature heat exchanger, condensation heat exchange device and burner assembly, the high temperature heat exchanger and condensation heat exchange device radial distribution are inside the shell；High temperature heat exchanger is the first cyclic structure formed by several high temperature tube fin type heat exchange unit matchings, and the high-temperature flue gas that burner assembly burning generates is located in the first cyclic structure.Structure of the invention is compact, significantly enhances heat exchange, efficiently avoids flue dust and blocks flue gas flow channel, improves heat exchange efficiency and security reliability, reduce material cost and manufacturing expense, improve production efficiency.
Description
Technical field
The present invention relates to heat exchange equipment technology, more particularly to a kind of full pre-mix condensing heat-exchanger rig.
Background technology
Existing full premixed condensed heat exchanger is most commonly used to the heat-exchange devices such as wall-hung boiler, the height that air mixture burning generates
Warm flue gas passes through full premixed condensed heat exchanger, is heated to flowing through the water in full premixed condensed heat exchanger, high-temperature flue gas
By cooling until condensation, the water after heating flows into wall-hung boiler again to be used by heat exchanger.Existing full premixed condensed heat exchanger
Mainly there are the full premixed condensed heat exchanger of coiled and disk fin tube type two kinds of structures of full premixed condensed heat exchanger.
A kind of existing full premixed condensed heat exchanger of coiled includes the heat exchanger tube of shell and the annular successively coiled, changes
Heat pipe is mostly the structure of flat tube or pipe, and heat exchanger tube is divided into axial arranged two groups, i.e. high-temperature flue gas coiled set of heat exchange tubes
Part and flue gas condensing coiled heat exchange tube assemblies, high-temperature flue gas coiled heat exchange tube assemblies and flue gas condensing coiled set of heat exchange tubes
Part is placed in shell, and shell is equipped with air inlet and gas outlet, and the combustion gas after premixing enters high-temperature flue gas coil pipe from air inlet
It in the combustion head being arranged in formula heat exchange tube assemblies and burns, the high-temperature flue gas for generation of burning is from inside to outside radially across high-temperature flue gas
Gap between the coiled heat exchanger tube of coiled heat exchange tube assemblies, in the process, high-temperature flue gas and high-temperature flue gas coiled
Water in heat exchange tube assemblies carries out heat exchange, high-temperature flue gas from inside to outside radially across high-temperature flue gas coiled heat exchange tube assemblies it
It is mixed into medium temperature flue gas after being absorbed heat by cooling；Medium temperature flue gas is again from the peripheral from outer of flue gas condensing coiled heat exchange tube assemblies
The radially gap across the coiled heat exchanger tube of flue gas condensing coiled heat exchange tube assemblies, in the process, medium temperature
Flue gas carries out heat exchange with the water in flue gas condensing coiled heat exchange tube assemblies, and medium temperature flue gas is cold radially across flue gas from outside to inside
After solidifying coiled heat exchange tube assemblies low-temperature flue gas is mixed into after cooling and dehumidification is absorbed heat；Low-temperature flue gas after condensing heat-exchange from
The gas outlet outflow coiled that the inner ring of flue gas condensing coiled heat-exchanging component is arranged through the flue in shell from shell is entirely pre-
Mixed condensate and heat exchanger.
The shortcomings that above-mentioned existing coiled full premixed condensed heat exchanger technology, is：Heat exchanger tube is mostly flat tube or pipe
Structure, the surface that flue gas exchanges heat with coiled heat exchanger tube is smooth heat exchange surface, and flue gas heat transfer effect is poor, heat exchange effect
Rate is relatively low；In order to improve heat exchange property generally use small―gap suture, cigarette is easily caused in general gap in this way in about 0.7mm or so
Dirt blocks flue gas flow channel, and the flue dust of adherency is further exacerbated by the process for blocking up ash, affects the flat of the resistance that heat exchanger tube is pre-designed
Weighing apparatus, causes heat exchanger not exchange heat equably, reduces heat exchange efficiency, and is adhered directly to the solid particulate matter on tube wall
Also there is acidity, heat exchanger tube can be corroded, influence the working life of heat exchanger tube；High-temperature flue gas with coiled heat exchanger tube when exchanging heat
Temperature drop is at 1000 DEG C or so, and flue gas mean flow rate also changes huge, this also results in flue gas and is changed into high-temperature flue gas coiled
The flow resistance of heat pipe assembly is larger, and the flow velocity at the rear portion for flowing through high-temperature flue gas coiled heat exchange tube assemblies is very low and makes
It is poor to obtain its heat exchange；In addition, in underrun formula, high-temperature flue gas may also with the heat exchange of high-temperature flue gas coiled heat exchange tube assemblies
Condensation is will produce, is installation since the requirement of structural compactness makes high-temperature flue gas coiled heat exchange tube assemblies be usually sleeping, this
The partial condensation water of generation in sample high-temperature flue gas coiled heat exchange tube assemblies can drop onto on the combustion head of burner, long-term to transport
Guild causes combustion head to damage and reduce combustibility, while the condensed water that heat exchanger tube gap location is retained and dripped downwards is also serious
The problem of the blocking flue gas flow channel such as affect heat exchange property and accelerate flue dust.
The existing full premixed condensed heat exchanger of another disk fin tube type, including shell and axial arranged two groups of wings
Piece pipe heat-exchanging component, i.e. high-temperature flue gas disk finned tube heat-exchanging component and flue gas condensing disk finned tube heat-exchanging component, high temperature cigarette
Gas disk finned tube heat-exchanging component and flue gas condensing disk finned tube heat-exchanging component are placed in shell, shell be equipped with air inlet and
Gas outlet, the combustion gas after premixing enter in the combustion head being arranged in high-temperature flue gas disk finned tube heat-exchanging component simultaneously from air inlet
Burning, the high-temperature flue gas of generation of burning from inside to outside radially across the disk fin of high-temperature flue gas disk finned tube heat-exchanging component it
Between gap, in the process, the water in high-temperature flue gas and high-temperature flue gas disk finned tube heat-exchanging component carries out heat exchange, high temperature
Flue gas from inside to outside radially across after high-temperature flue gas disk finned tube heat-exchanging component through cooling absorbed heat after be mixed into medium temperature cigarette
Gas；Medium temperature flue gas is again from the periphery of flue gas condensing disk finned tube heat-exchanging component from outside to inside radially across flue gas condensing disk wing
Gap between the fin of piece pipe heat-exchanging component, in the process, medium temperature flue gas and flue gas condensing disk finned tube heat-exchanging component
Interior water carries out heat exchange, medium temperature flue gas from outside to inside radially across after flue gas condensing disk finned tube heat-exchanging component through cooling
Dehumidification is mixed into low-temperature flue gas after being absorbed heat；Low-temperature flue gas after condensing heat-exchange is from flue gas condensing disk finned tube heat-exchanging component
Flow out the full premixed condensed heat exchanger of disk fin tube type in the gas outlet that inner ring is arranged through the flue in shell from shell.
The above-mentioned full premixed condensed heat exchanger technology of existing disk fin tube type, flue gas are changed with high-temperature flue gas disk finned tube
Hot component and flue gas condensing disk finned tube heat-exchanging component exchange heat, and are finned using disk, flue gas heat exchange performance is apparent
It is better than the full premixed condensed heat exchanger of coiled；For fin clearance generally between 1.7-2.7mm, flue dust blocks asking for flue gas flow channel
Topic is also obviously improved.But other full premixed condensed heat exchangers of coiled there are the problem of still remain：High-temperature flue gas with circle
Temperature drop when disk fin tube type heat exchanger tube exchanges heat is at 1000 DEG C or so, and flue gas mean flow rate also changes huge, this also results in cigarette
Gas is larger in the flow resistance for entering high-temperature flue gas disk fin tube type heat exchange tube assemblies, and is flowing through high-temperature flue gas disk fin
The flow velocity at the rear portion of pipe type heat transfer tube assembly is relatively low and makes its heat exchange poor；In underrun formula, high-temperature flue gas and high temperature
The heat exchange of flue gas disk fin tube type heat exchange tube assemblies may also will produce condensation, since the requirement of structural compactness makes high temperature cigarette
Gas disk fin tube type heat exchange tube assemblies are usually horizontal installation, in such high-temperature flue gas disk fin tube type heat exchange tube assemblies
The condensed water of generation can partly drop onto on the combustion head of burner, and longtime running can cause combustion head to damage and reduce flammability
Can, while retention has also seriously affected heat exchange property with the condensed water dripped downwards between heat exchanger tube fin and so that flue dust etc. holds very much
Flue gas flow channel is easily blocked, the flue dust of adherency is further exacerbated by the process for blocking up ash, affects the flat of the resistance that heat exchanger tube is pre-designed
Weighing apparatus, causes heat exchanger not exchange heat equably, reduces heat exchange efficiency, and is adhered directly to the solid particulate matter on tube wall
Also there is acidity, heat exchanger tube and fin can be corroded, influence its working life.In addition, although the full premixed condensed of disk fin tube type
The high-temperature flue gas disk finned tube heat-exchanging component of heat exchanger and the disk fin of flue gas condensing disk finned tube heat-exchanging component are adopted
It is cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing with size fin, but it cuts out a piece of cloth in a way with the minimum material to make two or more articles of clothing the invalid leftover pieces of fin up to 40% or so, the material of the band of fin efficiently uses
Rate is up for improving；The disk fin of high-temperature flue gas disk finned tube heat-exchanging component and flue gas condensing disk finned tube heat-exchanging component
It is cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing using size fin, there is also deficiencies for the compactedness of space layout.
Invention content
The present invention is to provide a kind of full pre-mix condensing heat-exchanger rig to overcome above-mentioned defect in the prior art, high
Warm heat-exchanger rig, condensation heat exchange device structure and layout are compacter, effectively reduce material cost and producing cost, significantly strong
Change flue gas heat exchange, hence it is evident that improve the deficiency that flue dust blocks flue gas flow channel, hence it is evident that improve heat exchange efficiency and operational reliability, reduce system
Cause this.
To achieve the above object, the present invention provides a kind of full pre-mix condensing heat-exchanger rig, including shell, high temperature heat exchange dress
It sets, condensation heat exchange device and burner assembly, the high temperature heat exchanger and condensation heat exchange device radial distribution are inside the shell；
It is provided with accommodating space in the shell, is distributed according to the flowing of flue gas and heat, accommodating space is divided into high temperature cigarette
Gas area, medium temperature flue gas area and low-temperature flue gas area, the shell are provided with the exhanst gas outlet being connected with low-temperature flue gas area；
The high temperature heat exchanger includes several high temperature tube fin type heat exchange units, and several high temperature tube fin type heat exchange units match
It closes and forms the first cyclic structure, which is arranged around the outer in high-temperature flue gas area, by high-temperature flue gas area and medium temperature
Flue gas distinguish every；
The high-temperature flue gas that the burner assembly burning generates is located in the first cyclic structure of high temperature heat exchanger；
The condensation heat exchange device is between medium temperature flue gas area and low-temperature flue gas area, including one or more than one condensation
Unit, the condensing unit are tubular type or tube fin type heat exchange structure with condensing heat-exchanging pipe；
Burner assembly burning generates high-temperature flue gas, and medium temperature flue gas is converted to after high-temperature flue gas and high temperature heat exchanger heat exchange,
Into medium temperature flue gas area, low-temperature flue gas is converted to after then carrying out heat exchange with condensation heat exchange device, into low-temperature flue gas area, most
It is discharged afterwards from exhanst gas outlet.
It is further arranged to：Middle low-temperature flue gas subregion baffle assembly, the middle low-temperature flue gas are additionally provided in the shell
The inner wall of subregion baffle assembly and condensation heat exchange device or middle low-temperature flue gas subregion baffle assembly, condensation heat exchange device and shell
The second cyclic structure is cooperatively formed, second cyclic structure is circumferentially positioned at the outside of the first cyclic structure, by medium temperature flue gas
Area and low-temperature flue gas distinguish every.
It is further arranged to：It is provided with condensate water guide slot between the middle low-temperature flue gas subregion baffle assembly and shell.
It is further arranged to：The burner assembly includes exploration type combustion section, which is cylindrical shape knot
Structure simultaneously stretches into the first cyclic structure of high temperature heat exchanger formation, and burning is laid on the barrel of the exploration type combustion section
Hole.
It is further arranged to：The burner assembly includes external combustion portion, and the external combustion portion is tablet knot
Structure, is located at the bottom for the first cyclic structure that high temperature heat exchanger is formed, and the flame that the burning of external combustion portion generates is located at the
In one cyclic structure.
It is further arranged to：The both sides of the high temperature heat exchange fin are both provided with plate body in the setting of predetermined intersecting angle
The fin unit auxiliary section of fin unit auxiliary section, adjacent two pieces of high temperature heat exchange fins cooperates so that two pieces of high temperature change
Hot fin is arranged in arcuation.
It is further arranged to：Connected using contact between the adjacent high-temperature tube fin type heat exchange unit of the high temperature heat exchanger
It connects.
It is further arranged to：Matched using gap between the adjacent high-temperature tube fin type heat exchange unit of the high temperature heat exchanger
It closes.
It is further arranged to：The gap of the clearance fit is 0.1 ~ 1mm.
It is further arranged to：Filler is filled in gap between the adjacent high temperature tube fin type heat exchange unit.
It is further arranged to：In same condensing unit, condensing heat-exchanging pipe is in display arrangement and adjacent three described cold
But the heat exchanger tube line of centres forms equilateral triangle structure.
It is further arranged to：The condensation heat exchange device is connected and inverse with flue gas with the medium water in high temperature heat exchanger
Stream heat exchange.
It is further arranged to：The high temperature heat exchange fin of the high temperature heat exchanger is the platy structure of arc, is led to by plank
It crosses and cuts out a piece of cloth in a way with the minimum material to make two or more articles of clothing continuous cutting formation.
It is further arranged to：The shape of first cyclic structure of the high temperature heat exchanger is round, ellipse or more
Side shape.
Compared with prior art, structure of the invention is compact, significantly enhances flue gas heat exchange, effectively increases heat exchange efficiency,
The gap and condensed water for avoiding the solid particle blocking high temperature tube fin type heat exchange unit entrained by flue gas are dripped to equipment performance
With the influence in service life and reliability, the stability of longtime running heat exchange ensure that；High temperature heat exchanger is by several high temperature simultaneously
The first cyclic structure that tube fin type heat exchange unit matching is formed, effectively increases the utilization rate of plank, reduces production cost, carry
High production efficiency.
Description of the drawings
Fig. 1 is the horizontal cross-section structure diagram of the full pre-mix condensing heat-exchanger rig of the embodiment of the present invention one；
Fig. 2 is the dimensional structure diagram of the high temperature tube fin type heat exchange unit of embodiment one；
Fig. 3 is the high temperature heat exchange fin of embodiment one and the structural schematic diagram of blanking；
Fig. 4 be embodiment one high temperature tube fin type heat exchange unit between the partial structural diagram that coordinates；
Fig. 5 is the horizontal cross-section structure diagram of the second cyclic structure of embodiment one；
Fig. 6 is the horizontal section flow of flue gas schematic diagram of embodiment one；
Fig. 7 is the horizontal section flue gas subregion schematic diagram of embodiment one；
Fig. 8 is the longitudinal profile structure schematic of embodiment one（Exploration type）；
Fig. 9 is the heat exchange principle schematic diagram of the full pre-mix condensing heat-exchanger rig of embodiment one；
Figure 10 is the longitudinal profile structure schematic of embodiment two（External）；
Figure 11 is the horizontal cross-section structure diagram of embodiment three；
Figure 12 is the horizontal cross-section structure diagram of example IV.
The following drawings is marked to mark on it in conjunction with attached drawing：
1, shell；11, exhanst gas outlet；12, middle low-temperature flue gas subregion baffle assembly；13, condensate water guide slot；14, condensed water connects
Pipe；
2, high temperature heat exchanger；21, high temperature tube fin type heat exchange unit；211, high temperature heat exchange fin；2111, gap；2112, fin
Unit matching portion；212, high-temperature heat exchange tube；221, high temperature heat exchanger front tube sheet；222, high temperature heat exchanger back tube sheet；231、
High temperature heat exchanger front shroud；232, high temperature heat exchanger back shroud;
3, condensation heat exchange device；31, condensing unit；311, condensing heat-exchanging pipe；321, condensation heat exchange device front tube sheet；322, it condenses
Heat-exchanger rig back tube sheet；331, condensation heat exchange device front shroud；332, condensation heat exchange device back shroud；
4, burner assembly；41, exploration type combustion section；42, external combustion portion；43, gaseous mixture interconnecting piece；
5, medium water flow path；6, condensed water flow path；7, flue gas flow path；
HT：High-temperature flue gas area；MT：Medium temperature flue gas area；LT：Low-temperature flue gas area；E1：First heat transfer zone；E2：Second heat transfer zone.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain be not restricted by specific implementation.
Full pre-mix condensing heat-exchanger rig of the present invention is as shown in Fig. 1-Figure 12, including shell 1, high temperature heat exchanger 2, condensation
Heat-exchanger rig 3 and burner assembly 4, wherein high temperature heat exchanger 2 and condensation heat exchange device 3 are located in 1 sagittal plane of shell；Its
In, it is provided with accommodating space in shell 1, according to the flowing of flue gas and Temperature Distribution, the middle low-temperature flue gas being arranged in shell 1
Subregion baffle assembly 12 and aftermentioned high temperature heat exchanger 2 and condensation heat exchange device 3 cut open the accommodating space laterally
Face is divided into high-temperature flue gas area HT, the first heat transfer zone E1, medium temperature flue gas area MT, the second heat transfer zone E2 and low-temperature flue gas area LT, outside
Shell 1 is provided with the exhanst gas outlet 11 being connected with low-temperature flue gas area LT, and the first heat transfer zone E1 is located at high-temperature flue gas area HT and medium temperature
Between flue gas area MT, the second heat transfer zone E2 is located between medium temperature flue gas area MT and low-temperature flue gas area LTLT, high temperature heat exchanger 2
In in the first heat transfer zone E1, condensation heat exchange device 3 is located in the second heat transfer zone E2, and the burning of burner assembly 4 generates high-temperature flue gas；
The first cyclic structure that high temperature heat exchanger 2 is formed is circumferentially positioned at the outer of high-temperature flue gas area HT by high-temperature flue gas area HT in
Warm flue gas area MT separates so that the high-temperature flue gas of high-temperature flue gas area HT flows through the high temperature heat exchanger 2 and height of the first heat transfer zone E1
Medium water is converted to medium temperature flue gas after carrying out heat exchange and enters medium temperature flue gas area MT in warm heat-exchanger rig 2；It is provided in shell 1
Middle low-temperature flue gas subregion baffle assembly 12, middle low temperature cigarette subregion baffle assembly and the cooperation of condensation heat exchange device 3 or middle low temperature cigarette
Qi leel area baffle assembly 12, condensation heat exchange device 3 and the inner wall of shell 1 cooperatively form the second cyclic structure, the second cyclic structure
The outside for being circumferentially positioned at the first cyclic structure separates medium temperature flue gas area MT and low-temperature flue gas area LT so that medium temperature flue gas area MT
Medium temperature flue gas flow through after the condensation heat exchange device 3 of the second heat transfer zone E2 carries out heat exchange with medium water in condensation heat exchange device 3
It is converted to low-temperature flue gas and enters low-temperature flue gas area LT, be finally discharged from exhanst gas outlet 11.
In the present apparatus, the high-temperature flue-gas in high-temperature flue gas area HT is generally between 1000 DEG C ~ 1200 DEG C, medium temperature cigarette
Medium temperature flue gas in gas area MT generally between 70 DEG C ~ 200 DEG C, low-temperature flue gas in low-temperature flue gas area LT generally 55 DEG C with
Under；The temperature range of medium water generally between 20 DEG C ~ 80 DEG C, is selected according to service condition.
Embodiment one
As shown in Figures 1 to 9, including shell 1, high temperature heat exchanger 2, condensation heat exchange device 3 and burner assembly 4, high temperature changes
Thermal 2 and condensation heat exchange device 3 are arranged in the sagittal plane of shell 1, and middle low-temperature flue gas subregion partition board is provided in shell 1
Component 12.
Shell 1 be it is columnar structured, it is columnar structured to be easy to be molded, it is easy to process.Accommodating sky is provided in shell 1
Between, according to the flowing of flue gas and Temperature Distribution, the middle low-temperature flue gas subregion baffle assembly 12, Yi Jigao being arranged in shell 1
Accommodating space is divided into high-temperature flue gas area HT, the first heat transfer zone by warm heat-exchanger rig 2 and condensation heat exchange device 3 in horizontal section
E1, medium temperature flue gas area MT, the second heat transfer zone E2 and low-temperature flue gas area LT, exhanst gas outlet 11 are connected with low-temperature flue gas area LT.The
One heat transfer zone E1 is located between high-temperature flue gas area HT and medium temperature flue gas area MT, and the second heat transfer zone E2 is located at medium temperature flue gas area MT and low
Between warm flue gas area LT, high temperature heat exchanger 2 is located in the first heat transfer zone E1, and condensation heat exchange device 3 is located at the second heat transfer zone E2
It is interior.The burning of burner assembly 4 generates high-temperature flue gas, and generated high-temperature flue gas is located in high-temperature flue gas area HT.High temperature heat exchange dress
It sets 2 to be respectively positioned in the sagittal plane of shell 1 with condensation heat exchange device 3, in terms of horizontal section, high temperature heat exchanger 2 is located at shell 1
Lower part, condensation heat exchange device 3 is located at the top of shell 1, and condensation heat exchange device 3 is located at the top of high temperature heat exchanger 2.High temperature
The high-temperature flue gas of flue gas area HT flows through the high temperature heat exchanger 2 of the first heat transfer zone E1 and medium water in high temperature heat exchanger 2 carries out
Heat exchange, the medium temperature flue gas of medium temperature flue gas area MT flow through the condensation heat exchange device 3 of the second heat transfer zone E2 in condensation heat exchange device 3
Medium water carries out heat exchange, and flue gas is discharged after absorbing and cooling temperature dehumidification through exhanst gas outlet 11.
Further led as shown in fig. 7, being provided with condensed water between shell 1 and middle low-temperature flue gas subregion baffle assembly 12
Chute 13, the condensed water diversion trench of condensed water 13 that condensation heat exchange device 3 generates are guided to the lower part of shell 1.Under shell 1
Portion is provided with condensed water take over 14, and the condensed water that high temperature heat exchanger 2 and condensation heat exchange device 3 generate is after collection through condensed water
14 uniform effluent of take over.Under accidental conditions, condensation heat exchange device 3 will produce condensed water, and high temperature heat exchanger 2 will not produce
Raw and cold condensate, but high temperature heat exchanger 2 also will produce a small amount of condensed water when such as underrun under special operation condition.In shell 1
On be additionally provided with medium water entrance sleeve and medium water discharge connection, cryogenic media water enters from medium water entrance sleeve, cold
It is heated to form high-temperature medium water in solidifying heat-exchanger rig 3 and high temperature heat exchanger 2, is finally discharged from medium water discharge connection.
High temperature heat exchanger 2, including several high temperature tube fin type heat exchange units 21 are located in the first heat transfer zone E1.Several institutes
It states the cooperation of high temperature tube fin type heat exchange unit 21 to arrange in ring week to form closed first cyclic structure on horizontal section, first is cyclic annular
Structure is circumferentially positioned at the outer of high-temperature flue gas area HT, high-temperature flue gas area HT and medium temperature flue gas area MT is separated, burner assembly 4
The high-temperature flue gas that burning generates is located in the first cyclic structure；Point of the high-temperature flue gas of high-temperature flue gas area HT in the first cyclic structure
Every and guide function flowed down high temperature heat exchanger 2 high temperature heat exchange fin 211 between, in high-temperature flue gas and high temperature heat exchanger 2
High-temperature heat exchange tube 212 in medium water exchanged heat after enter medium temperature flue gas area MT and become medium temperature flue gas, medium temperature flue gas surrounds
The high temperature tube fin type heat exchange unit 21 of the high temperature heat exchanger 2 cooperatively forms the first cyclic structure, that is, first ring
It is high-temperature flue gas in shape structure, is medium temperature flue gas outside first cyclic structure, first cyclic structure is by high-temperature flue gas area
HT and middle low-temperature flue gas area LT separates.The flue gas flow path 7 of the high temperature tube fin type heat exchange unit 21 on horizontal section radially to
Outside, the high temperature tube fin type heat exchange unit 21 includes several high temperature heat exchange fins 211, several high-temperature heat exchange tubes 212, described several
High temperature heat exchange fin 211 is stacked with, and the flue gas flow channel between high temperature heat exchange fin 211 uses flue gas constant speed contraction structure, described
" flue gas constant speed contraction structure " refer to flue gas from the flue gas mean flow rate of high temperature heat exchange fin 211 is entered to fin pore rear portion
Most narrow flow road at flue gas mean flow rate be close, general difference is no more than 30%, to the dust stratification between being obviously improved fin and cold
Significantly strengthen flue gas heat exchange while condensate bridging phenomenon；High-temperature flue gas flowed through between several high temperature heat exchange fins 211 with it is several
Medium water in high-temperature heat exchange tube 212 carries out high efficient heat exchanging, and several high-temperature heat exchange tubes 212 are plugged in high temperature heat exchange fin 211
In fin pore, the high temperature heat exchange fin 211 of the adjacent high temperature tube fin type heat exchange unit 21 being stacked with closes on side
Edge contacts or gap 2111 coordinates.
Further as shown in figure 3, high temperature heat exchange fin 211 is the platy structure of arc, high temperature heat exchange fin 211 passes through
Plank is cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing continuous cutting and is formed, and the front side cambered surface of high temperature heat exchange fin 211 can effectively be reduced with rear side cambered surface phase split
The production cost of high temperature heat exchange fin 211, improves production efficiency；High temperature heat exchange fin 211 coordinates including fin unit simultaneously
Portion 2112, fin unit auxiliary section 2112 are the auxiliary sections of two neighboring high temperature tube fin type heat exchange unit 21, are located at high temperature and exchange heat
The arranged on left and right sides of 211 plate body of fin and with plate body side have certain angle of the crossing, so as to two neighboring high temperature tube fin type heat exchange
Unit 21 is with synthesis arcuation.
Further as shown in figure 4, matching between adjacent high temperature tube fin type heat exchange unit 21 is combined into contact or gap
2111 cooperations, preferred gap 2111 coordinate, and in order to manufacture assembly, i.e., the fin unit of adjacent high temperature heat exchange fin 211 is matched
Coordinate for gap 2111 between conjunction portion 2112, preferably the gap 2111 is 0.1 ~ 1mm.In order to which the high temperature fin-tube type for ensureing adjacent changes
Good seal between hot cell 21 prevents flue gas from being revealed from the fit clearance 2111 from this, can be at the fit clearance 2111
Filler is set.
Further as shown in figure 8, high temperature heat exchanger 2 further includes 2 tube sheet of high temperature heat exchanger and high temperature heat exchanger 2
Cover board；2 tube sheet of high temperature heat exchanger includes high temperature heat exchanger front tube sheet 221 and high temperature heat exchanger back tube sheet 222, is set respectively
Set at several 21 both ends of high temperature tube fin type heat exchange unit, and with the high-temperature heat exchange tube 212 of several high temperature tube fin type heat exchange units 21
Connection.2 cover board of high temperature heat exchanger includes high temperature heat exchanger front shroud 231 and high temperature heat exchanger back shroud 232, respectively with
The high temperature heat exchanger front tube sheet 221 is connected with high temperature heat exchanger back tube sheet 222.Several high temperature pipe wings of the cooperation
Several high-temperature heat exchange tubes 212,2 tube sheet of high temperature heat exchanger and 2 cover board of high temperature heat exchanger of formula heat exchange unit 21 are interior to be connected to shape
At second medium water flow passage, to simplify manufacturing process and reduce medium water flow passage resistance force of waterproof.
Specifically, the high temperature heat exchanger 2 of the present embodiment, including six high temperature tube fin type heat exchange units 21, six high temperature
Tube fin type heat exchange unit 21 cooperatively forms the first cyclic structure.The high temperature heat exchanger 2 of the present embodiment is provided with six high temperature pipes
Two or more high temperature tube fin type heat exchange unit 21 can also be arranged in wing formula heat exchange unit 21.
Flue gas in underrun, high temperature heat exchanger 2 has a small amount of hydrogenesis, in the work of gravity
Lower section is dropped under, due to the structure and high temperature heat exchange fin 211 using the cooperation of several high temperature tube fin type heat exchange units 21
" flue gas constant speed contraction structure " etc., a small amount of condensed water can be brought towards high temperature fin-tube type under the souring of the flue gas of high flow velocities
The outside of heat exchange unit 21, condensed water will not be fallen in the exploration type combustion section 41 being arranged in high temperature heat exchanger 2, will not
It generates and drops onto on the fin of high temperature tube fin type heat exchange unit 21 of lower part, can effectively extend service life of burner and long-term
Performance, and avoid the problem that fin corrosion and dust stratification even block, significantly improve Long-Term Properties and service life.
Condensation heat exchange device 3 includes one or more than one condensing unit 31, is located in the second heat transfer zone domains E2,
For the tubular structure with condensing heat-exchanging pipe 311, in same condensing unit 31, condensing heat-exchanging pipe 311 is arranged in array and phase
The center of three adjacent condensing heat-exchanging pipes 311 constitutes equilateral triangle；The condensation heat exchange device 3 and middle low temperature subregion partition board
Component coordinates or the fit inside of condensation heat exchange device 3, middle low temperature subregion baffle assembly and shell 1 is formed on horizontal section
Second cyclic structure, second cyclic structure is located at outside first cyclic structure and is sleeved on described first on horizontal section
It is medium temperature flue gas area MT between second cyclic structure and first cyclic structure, described second is cyclic annular in cyclic structure
Structure separates medium temperature flue gas area MT and low-temperature flue gas area LT, and the medium temperature flue gas of medium temperature flue gas area MT is in second cyclic structure
Separation and guide function flowed down the condensing unit 31 of condensation heat exchange device 3, with the condensing heat-exchange in the condensing unit 31
Medium water in pipe 311 carries out heat exchange, flue gas flowed out after by absorbing and cooling temperature dehumidification the condensation heat exchange device 3 be converted to it is low
Warm flue gas is finally discharged from exhanst gas outlet 11 into low-temperature flue gas area LT.
Specifically, the condensation heat exchange device 3 of the present embodiment, including three condensing units 31, each condensing unit 31 wrap again
Include the condensing heat-exchanging pipe 311 of multiple triangular arrangements.The condensing heat-exchanging pipe 311 of the present embodiment be light pipe, have convenient for manufacture and
Excellent anticorrosive and anticlogging characteristic, but relative to tube fin type heat exchange structure, its deficiency is that flue gas heat exchange is weaker, is needed
Arrange more condensing heat-exchanging pipes 311, the two respectively there are advantage and disadvantage, selects as needed.
As shown in figure 8, the condensation heat exchange device 3 of the present embodiment further includes 3 tube sheet of condensation heat exchange device and condensing heat-exchange dress
Set 3 cover boards.Wherein, 3 tube sheet of condensation heat exchange device includes condensation heat exchange device front tube sheet 321 and condensation heat exchange device back tube sheet
322,31 both ends of several condensing units are separately positioned on, and connect with the condensing heat-exchanging pipe of condensing unit 31 311；Condensing heat-exchange fills
It includes condensation heat exchange device front shroud 331 and condensation heat exchange device back shroud 332 to set 3 cover boards, is filled respectively with the condensing heat-exchange
Front tube sheet 321 is set with condensation heat exchange device back tube sheet 322 to be connected；It is several condensing heat-exchanging pipes 311 of the condensing unit 31, cold
It is connected to form first medium water flow passage in solidifying 3 tube sheet of heat-exchanger rig and 3 cover board of condensation heat exchange device.
As shown in figure 8, the high temperature heat exchanger front tube sheet 221 of the present embodiment is connect with condensation heat exchange device front tube sheet 321
The integral structure being integrated；The high temperature heat exchanger back tube sheet 222 is connected as one with condensation heat exchange device back tube sheet 322
Integral structure；The one that the high temperature heat exchanger front shroud 231 is connected as one with condensation heat exchange device front shroud 331
Formula structure；The integral structure that the high temperature heat exchanger back shroud 232 is connected as one with condensation changing device back shroud；First
Medium water flow passage is connected with second medium water flow passage by inner flow passage, to simplify manufacturing process and reduce the resistance of medium water flow passage
Power.
As shown in Figure 1, the high temperature heat exchanger 2 of the present embodiment and the cloth in the sagittal plane of shell 1 of condensation heat exchange device 3
It sets.Relative to axial arranged, the more compact structure arranged in the sagittal plane of the present embodiment, manufacture is easier, material cost and
Manufacturing cost is also lower.
As shown in figure 8, the burner assembly 4 of the present embodiment includes exploration type combustion section 41 and gaseous mixture interconnecting piece 43, mix
Combustion gas is closed to burn in exploration type combustion section 41.The present embodiment exploration type combustion section 41 is tubular construction and stretches into the first ring
In shape structure, poroid or reticular structure the burning barrel of burning is provided on the burning Cylinder wall structure of exploration type combustion section 41,
Air mixture is burnt at burning barrel and generates high-temperature flue gas.The burning of the exploration type combustion section 41 of fuel assembly generates
High-temperature flue gas, be located at the first cyclic structure in high-temperature flue gas area HT, first cyclic structure separation and guiding make
The high temperature heat exchange fin of several high temperature tube fin type heat exchange units 21 of the high temperature heat exchanger 2 of the first heat transfer zone E1 is flowed through under
Between 211, carried out with the medium water in several 21 high temperature heat exchanger tubes 212 of high temperature tube fin type heat exchange unit of high temperature heat exchanger 2
Medium temperature flue gas is converted to after heat exchange, into medium temperature flue gas area MT, is then made in the separation of second cyclic structure and guiding
Outside the condensing heat-exchanging pipe 311 for flowing through the condensation heat exchange device 3 of the second heat transfer zone E2 under, with the condensation in condensation heat exchange device 3
Medium water is converted to low-temperature flue gas after carrying out heat exchange in heat exchanger tube 311, into low-temperature flue gas area LTLT, finally from shell 1
The exhanst gas outlet 11 of setting takes over discharge.
As shown in figure 9, the medium water in the high temperature heat exchanger 2 and condensation heat exchange device 3 of the present embodiment be connected and with
Flue gas carries out countercurrent flow, i.e., the medium water entrance sleeve that cryogenic media water is connected from condensation heat exchange device 3 first enters cold
In condensing heat-exchanging pipe 311 in solidifying heat-exchanger rig 3, carried out with the flue gas flowed through outside condensing heat-exchanging pipe 311 in condensation heat exchange device 3
After heat exchange, the medium water interface channel being arranged between condensed heat-exchanger rig 3 and high temperature heat exchanger 2 enters high temperature heat exchanger 2
Several high temperature heat exchange units fin-tube type high-temperature heat exchange tube 212 in, then change with the fin-tube type high temperature for flowing through high temperature heat exchanger 2
Flue gas between 212 outer fin of heat pipe exchanges heat, and the medium water for heating of repeatedly being turned back by flue gas is flowed out from medium water discharge connection,
Medium water is completed to exchange heat with flue gas adverse current.
The flowing of the present embodiment and heat exchange principle are as shown in Figure 7, Figure 8 and Figure 9：
Flue gas flow path 7：The high-temperature flue gas that the air mixture burning of the exploration type combustion section 41 of fuel assembly generates, is changed positioned at high temperature
High-temperature flue gas area HT in first cyclic structure of thermal 2 flows down in the separation of first cyclic structure and guide function
It crosses between the high temperature heat exchange fin 211 of several high temperature tube fin type heat exchange units 21 of the high temperature heat exchanger 2 of the first heat transfer zone E1, with
After medium water in several 21 high temperature heat exchanger tubes 212 of high temperature tube fin type heat exchange unit of high temperature heat exchanger 2 carries out heat exchange
Medium temperature flue gas is converted to, into medium temperature flue gas area MT, is then flowed through under the separation of second cyclic structure and guide function
Outside the condensing heat-exchanging pipe 311 of the condensation heat exchange device 3 of second heat transfer zone E2, with the condensing heat-exchanging pipe 311 in condensation heat exchange device 3
Interior medium water is converted to low-temperature flue gas after carrying out heat exchange, into low-temperature flue gas area LT, is finally discharged from exhanst gas outlet 11；
Medium water flow path 5：Medium water in high temperature heat exchanger 2 and condensation heat exchange device 3 is connected and carries out adverse current with flue gas
Heat exchange, i.e., cryogenic media water enters from the medium water entrance sleeve that condensation heat exchange device 3 is connected in condensation heat exchange device 3 first
Condensing heat-exchanging pipe 311 in, it is condensed after being exchanged heat with the flue gas that flows through outside condensing heat-exchanging pipe 311 in condensation heat exchange device 3
The medium water interface channel being arranged between heat-exchanger rig 3 and high temperature heat exchanger 2 enters several high temperature heat exchange of high temperature heat exchanger 2
In the fin-tube type high-temperature heat exchange tube 212 of unit, then with the 212 outer fin of fin-tube type high-temperature heat exchange tube that flows through high temperature heat exchanger 2
Between flue gas exchange heat, the medium water of heating of repeatedly being turned back by flue gas is flowed out from medium water discharge connection, complete medium water with
Flue gas adverse current exchanges heat.
Condensed water flow path 6：Under accidental conditions, condensation heat exchange device 3 will produce condensed water, high temperature heat exchanger 2
Condensed water is not will produce, but high temperature heat exchanger 2 also will produce a small amount of condensed water when such as underrun under special operation condition.Position
Condensate water guide slot 13 in the lower part of shell 1 is provided with condensed water take over 14, high temperature heat exchanger 2 and condensation heat exchange device 3
The condensed water of generation flows into condensate water guide slot 13 and after collection through 14 uniform effluent of condensed water take over.
In conclusion the present invention a kind of full pre-mix condensing heat-exchanger rig, have the advantages that following main feature and：
1, material cost and manufacturing cost obviously are saved.Since high temperature heat exchanger 2 is by several high temperature tube fin type heat exchange lists
The first cyclic structure that member 21 cooperatively forms, high temperature heat exchange fin 211 is obtained by cutting out a piece of cloth in a way with the minimum material to make two or more articles of clothing, disk wing compared with the existing technology
Chip full pre-mix condensing heat exchanger, can substantially save fin material；And due to the flue gas stream between high temperature heat exchange fin 211
Flue gas heat exchange measure is strengthened in road using " flue gas constant speed contraction structure " etc., and the material cost of unit heat exchange amount is significantly reduced；By
In use high temperature heat exchanger 2 and condensation heat exchange device 3 arranged in the sagittal plane of shell 1, the first cyclic structure and the
Bicyclic structures etc., not only compact-sized but also also allow for scale industrial production, manufacturing cost is lower.
2, service life, reliability and Long-Term Properties are significantly improved.Since high temperature heat exchanger 2 is several high temperature fin-tube types
The first cyclic structure that heat exchange unit 21 cooperatively forms so that the condensed water of high temperature heat exchanger 2 is not under underrun operating mode
It can drop onto on the burner combustion head and heat exchange fin of lower part, there is longer life and reliability, it is ensured that long-term high property
It can use；Since the flue gas flow channel between high temperature heat exchange fin 211 is using " flue gas constant speed contraction structure " etc. so that high temperature heat exchange dress
It sets 2 and is less prone to phenomena such as condensed water is put up a bridge with dust stratification blocking, to but also equipment has high reliability and long-time service height
Performance；As a result of the first cyclic structure and the second cyclic structure etc. of high temperature heat exchanger 2 and condensation heat exchange device 3,
So that the condensed water of condensation heat exchange device 3 also improves the life and reliability of equipment to a certain extent convenient for discharge.
3, efficient hardening heat exchange, improves the thermal efficiency.Since high temperature heat exchanger 2 is by several high temperature tube fin type heat exchanges
The first cyclic structure that unit 21 cooperatively forms, the full premixed condensed heat exchanger of coiled compared with the existing technology, not only shows
Work enhances heat exchange and considerably reduces flue gas flow channel resistance；Since the flue gas flow channel between high temperature heat exchange fin 211 uses " cigarette
Gas constant speed contraction structure " etc., the finned full pre-mix condensing heat exchanger of disk compared with the existing technology, also obviously enhances cigarette
Gas exchanges heat, thus significantly improves the thermal efficiency.
Embodiment two
As shown in Figure 10, compared with embodiment one, difference lies in the difference of the combustion section of fuel assembly, embodiments one to adopt for the two
It is exploration type combustion section 41, and implements two to use to be 42 structure of external combustion portion, external combustion portion 42 is tablet
Structure, is located at the end of the first cyclic structure, and the flame that the burning of external combustion portion 42 generates is located in high temperature heat exchanger 2.
Implement three
As shown in figure 11, compared with embodiment one, the main distinction of the present embodiment is that condensation heat exchange device 3 uses fin-tube type knot
Structure.The condensation heat exchange device 3 of the present embodiment includes a condensing unit 31, and condensing unit 31 includes several condensations of array arrangement
Heat exchanger tube 311 and several condensing heat-exchange fins, condensing heat-exchanging pipe 311 is plugged in the fin pore of condensing heat-exchange fin, several
Condensing heat-exchange fin is stacked with.In addition, convenient for the condensate discharge of condensation heat exchange device 3, the inclination of condensation heat exchange device 3 is set
It sets.
Example IV
As shown in figure 12, compared with embodiment one, the main distinction of the present embodiment is the first ring that high temperature heat exchanger 2 is formed
The shape of shape structure, the cyclic structure shape that the high temperature heat exchanger 2 of the present embodiment is formed is hexagon, by the height of six pieces of rectangles
Warm 21 split of tube fin type heat exchange unit is formed, and the exploration type combustion section 41 inserted into the inner is hexagon, similarly, high temperature heat exchanger
The shape of 2 cyclic structures formed can be pentagon, or other polygonized structures, or round or oval
The shape of shape or sector, combustion section can also be changed as needed.
Compared with prior art, structure of the invention is compact, significantly enhances flue gas heat exchange, effectively increases heat exchange efficiency,
The gap and condensed water for avoiding the solid particle blocking high temperature tube fin type heat exchange unit entrained by flue gas are dripped to equipment performance
With the influence in service life and reliability, the stability of longtime running heat exchange ensure that；High temperature heat exchanger is by several high temperature pipes simultaneously
Wing formula heat exchange unit cooperatively forms the first cyclic structure, effectively increases the utilization rate of plank, reduces production cost, improves
Production efficiency.
Disclosed above is only the embodiment of the present invention, and still, the present invention is not limited to this, the technology of any this field
What personnel can think variation should all fall into protection scope of the present invention.
Claims (14)
1. a kind of full pre-mix condensing heat-exchanger rig, which is characterized in that including shell, high temperature heat exchanger, condensation heat exchange device
And burner assembly, the high temperature heat exchanger and condensation heat exchange device radial distribution are inside the shell；
It is provided with accommodating space in the shell, is distributed according to the flowing of flue gas and heat, accommodating space is divided into high temperature cigarette
Gas area, medium temperature flue gas area and low-temperature flue gas area, the shell are provided with the exhanst gas outlet being connected with low-temperature flue gas area；
The high temperature heat exchanger includes several high temperature tube fin type heat exchange units, and several high temperature tube fin type heat exchange units match
It closes and forms the first cyclic structure, which is arranged around the outer in high-temperature flue gas area, by high-temperature flue gas area and medium temperature
Flue gas distinguish every；
The high-temperature flue gas that the burner assembly burning generates is located in the first cyclic structure of high temperature heat exchanger；
The condensation heat exchange device is between medium temperature flue gas area and low-temperature flue gas area, including one or more than one condensation
Unit, the condensing unit are tubular type or tube fin type heat exchange structure with condensing heat-exchanging pipe；
Burner assembly burning generates high-temperature flue gas, and medium temperature flue gas is converted to after high-temperature flue gas and high temperature heat exchanger heat exchange,
Into medium temperature flue gas area, low-temperature flue gas is converted to after then carrying out heat exchange with condensation heat exchange device, into low-temperature flue gas area, most
It is discharged afterwards from exhanst gas outlet.
2. full pre-mix condensing heat-exchanger rig according to claim 1, which is characterized in that in being additionally provided in the shell
Low-temperature flue gas subregion baffle assembly, the middle low-temperature flue gas subregion baffle assembly and condensation heat exchange device or middle low-temperature flue gas point
The inner wall of area's baffle assembly, condensation heat exchange device and shell cooperatively forms the second cyclic structure, and second cyclic structure is surround
Be arranged in the outside of the first cyclic structure, by medium temperature flue gas area and low-temperature flue gas distinguish every.
3. full pre-mix condensing heat-exchanger rig according to claim 2, which is characterized in that the middle low-temperature flue gas subregion every
Condensate water guide slot is provided between board group part and shell.
4. full pre-mix condensing heat-exchanger rig according to claim 1, which is characterized in that the burner assembly includes visiting
Enter formula combustion section, which is columnar structured and stretches into the first cyclic structure of high temperature heat exchanger formation,
It is laid with burner port on the barrel of the exploration type combustion section.
5. full pre-mix condensing heat-exchanger rig according to claim 1, which is characterized in that the burner assembly includes outer
Formula combustion section is set, the external combustion portion is slab construction, is located at the bottom for the first cyclic structure that high temperature heat exchanger is formed
Portion, the flame that the burning of external combustion portion generates are located in the first cyclic structure.
6. full pre-mix condensing heat-exchanger rig according to claim 1, which is characterized in that the two of the high temperature heat exchange fin
It is in the fin unit auxiliary section of predetermined intersecting angle setting, the wing of adjacent two pieces of high temperature heat exchange fins that side, which is both provided with plate body,
Blade unit auxiliary section cooperates so that two pieces of high temperature heat exchange fins are arranged in arcuation.
7. full pre-mix condensing heat-exchanger rig according to claim 1 or 6, which is characterized in that the high temperature heat exchanger
Adjacent high-temperature tube fin type heat exchange unit between using connect.
8. full pre-mix condensing heat-exchanger rig according to claim 1 or 6, which is characterized in that the high temperature heat exchanger
Adjacent high-temperature tube fin type heat exchange unit between be gap-matched.
9. full pre-mix condensing heat-exchanger rig according to claim 8, which is characterized in that the gap of the clearance fit is
0.1~1mm。
10. full pre-mix condensing heat-exchanger rig according to claim 8, which is characterized in that the adjacent high temperature fin-tube type
Filler is filled in gap between heat exchange unit.
11. full pre-mix condensing heat-exchanger rig according to claim 1, which is characterized in that cold in same condensing unit
Solidifying heat exchanger tube is in display arrangement and the adjacent three cooling heat transferring tube hub lines form equilateral triangle structure.
12. full pre-mix condensing heat-exchanger rig according to claim 1, which is characterized in that the condensation heat exchange device with
Medium water in high temperature heat exchanger is connected and exchanges heat with flue gas adverse current.
13. according to full pre-mix condensing heat-exchanger rig described in claim 1, which is characterized in that the height of the high temperature heat exchanger
Warm heat exchange fin is the platy structure of arc, is formed by plank by cutting out a piece of cloth in a way with the minimum material to make two or more articles of clothing continuous cutting.
14. according to full pre-mix condensing heat-exchanger rig described in claim 1, which is characterized in that the of the high temperature heat exchanger
The shape of one cyclic structure is round, ellipse or polygon.
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| CN201810444338.4A CN108413614A (en) | 2018-05-10 | 2018-05-10 | Full pre-mix condensing heat-exchanger rig |
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| CN201810444338.4A CN108413614A (en) | 2018-05-10 | 2018-05-10 | Full pre-mix condensing heat-exchanger rig |
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| CN201810444338.4A Pending CN108413614A (en) | 2018-05-10 | 2018-05-10 | Full pre-mix condensing heat-exchanger rig |
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| CN109163450A (en) * | 2018-10-17 | 2019-01-08 | 宁波市哈雷换热设备有限公司 | A kind of full pre-mix condensing heat-exchanger rig |
| CN109163451A (en) * | 2018-10-17 | 2019-01-08 | 宁波市哈雷换热设备有限公司 | A kind of full pre-mix condensing heat exchange equipment |
| CN110595067A (en) * | 2019-08-07 | 2019-12-20 | 西安交通大学 | Volute-shaped condensing type fuel gas heat exchange equipment and heat exchange method |
| CN112432361A (en) * | 2020-11-20 | 2021-03-02 | 无锡锡州机械有限公司 | Condensation heat exchanger of central heating system |
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| CN1672001A (en) * | 2002-07-30 | 2005-09-21 | J·勒梅 | Condensing heat exchanger with double bundle of tubes |
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