CN109163451A - A kind of full pre-mix condensing heat exchange equipment - Google Patents
A kind of full pre-mix condensing heat exchange equipment Download PDFInfo
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- CN109163451A CN109163451A CN201811206786.7A CN201811206786A CN109163451A CN 109163451 A CN109163451 A CN 109163451A CN 201811206786 A CN201811206786 A CN 201811206786A CN 109163451 A CN109163451 A CN 109163451A
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- heat exchange
- condensing
- exchange device
- condensing unit
- arc structure
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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
- F24H8/006—Means for removing condensate from the heater
-
- 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
- F24H9/0005—Details for water heaters
- F24H9/001—Guiding means
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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
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B7/00—Combinations of two or more condensers, e.g. provision of reserve condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- 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
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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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]
Abstract
The invention discloses a kind of full pre-mix condensing heat exchange equipment, including shell, high temperature heat exchanger, condensation heat exchange device, burner assembly and middle low-temperature flue gas subregion partition, high temperature heat exchanger is located at the top of shell, and condensation heat exchange device is located at the lower part of shell；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 to form the first arc structure；Middle low-temperature flue gas subregion partition is downward opening second arc structure；Condensation heat exchange device is tube fin type heat exchange structure, including inner sealing portion, import department and outlet portion；First arc structure and the second arc structure match to form the first cyclic structure and the second cyclic structure with condensation heat exchange device respectively；The high-temperature flue gas that burner assembly burning generates is located in the first cyclic structure；The configuration of the present invention is simple, rationally, easily manufactured, manufacturing cost is low, and heat transfer effect is high.
Description
Technical field
The present invention relates to heat exchange equipment technology, in particular to a kind of full pre-mix condensing heat exchange equipment.
Background technique
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, heats to the water flowed through 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, both
Fully-premixed heat-exchanger rig all has that flue gas heat transfer effect is poor, and heat exchange efficiency is lower, be easy to cause what flue dust blocked to ask
Topic.
In view of the above-mentioned problems, Chinese invention patent (application number: 201810444338.4, publication date: 2018.08.17) it is complete
The pre-mix condensing heat-exchanger rig effective solution above problem, and disclose following technical solution: it exchanges heat including shell, high temperature
Device, condensation heat exchange device and burner assembly, high temperature heat exchanger and condensation heat exchange device are radially distributed inside the shell, high
Warm heat-exchanger rig is located at the lower part of shell, and condensation heat exchange device is located at the top of shell, and high temperature heat exchanger and condensing heat-exchange fill
Middle low-temperature flue gas subregion partition is provided between setting, low-temperature flue gas subregion partition is for guiding flow of flue gas and producing condensation in this
The lower part that raw condensed water is directed to shell is discharged, and the high-temperature flue gas that burner assembly generates is located at high temperature heat exchanger
In first cyclic structure, high-temperature flue gas is converted to medium temperature flue gas after flowing through high temperature heat exchanger, and medium temperature flue gas flows through condensing heat-exchange
Low-temperature flue gas is converted to after device, is discharged from exhanst gas outlet；The structure of the patent of invention is more complicated, and manufacture is more troublesome, together
Shi Zhongwen flue gas is directly contacted in shell, to the more demanding of shell, needs necessary insulating layer on shell, manufacturing cost compared with
Height has improved space.
Summary of the invention
The present invention is it is high to provide a kind of heat transfer effect, and structure is simple, manufacture to overcome above-mentioned defect in the prior art
It is convenient, the low full premixed condensed heat exchange equipment of production cost.
To achieve the above object, the present invention provides a kind of full pre-mix condensing heat exchange equipment, including shell, high temperature heat exchange dress
It sets, condensation heat exchange device, burner assembly and middle low-temperature flue gas subregion partition, is provided with exhanst gas outlet and condensation on the shell
Inside the shell, the high temperature heat exchanger is located at outer for water out, the high temperature heat exchanger and condensation heat exchange device radial distribution
The top of shell, condensation heat exchange device are located at the lower part of shell；
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
Conjunction forms downward opening first arc structure；
The middle low-temperature flue gas subregion partition is the downward opening second arcuation knot being circumferentially positioned on the outside of the first arc structure
Structure；
The condensation heat exchange device is the tube fin type heat exchange structure with condensing unit, including inner sealing portion, import department and outlet
Portion；
First arc structure and the second arc structure matched respectively with condensation heat exchange device to be formed the first cyclic structure and
Second cyclic structure, second arc structure are located at the outside of the first arc structure；
The high-temperature flue gas that the burner assembly burning generates is located in the first cyclic structure；
Wherein, the first cyclic structure is formed by the opening that the inner sealing portion of condensation heat exchange device closes the first arc structure, and first
Both arc structure and the second arc structure at least have an open end to be connected to the inside and outside two sides of same opening portion, make
The flue gas obtained between the first cyclic structure and the second cyclic structure is flowed into from the import department of condensation heat exchange device, outlet portion
Outflow.
Be further arranged to: the condensation heat exchange device further includes covering closing part, the covering closing part and inner sealing part
Not Wei Yu the inside and outside two sides of import department, the inside and outside closure cooperatively forms at least one for guiding the runner of flow of flue gas,
The import department and outlet portion are located at the both ends of runner.
Be further arranged to: the condensation heat exchange device includes a condensing unit, which includes being located at
The inner sealing portion of inside and outside two sides and covering closing part, and it is located at import department and the outlet portion at both ends；
One open end of first arc structure and an open end of the second arc structure are connected to the inside and outside of opening portion
Two sides, another open end of the second arc structure is around another open end of the first arc structure of closing.
Be further arranged to: the condensation heat exchange device includes a condensing unit, which includes positioned inside and outside
One inner sealing portion of two sides and two covering closing part, the import department positioned at left and right both ends, and be located at two covering closing part it
Between outlet portion；
Two open ends of first arc structure are connected to the inside of both ends import department, and the two of second arc structure
Open end is connected to the outside of both ends import department.
Be further arranged to: the condensation heat exchange device includes two condensing units, and each condensing unit includes difference
Inner sealing portion and covering closing part positioned inside and outside two sides, and it is located at import department and the outlet portion at both ends；
The adjacent condensing unit cooperates so that the inner sealing portion between condensing unit cooperatively forms interior meander line structure, described
The opening that interior meander line structure closes the first arc structure forms the first cyclic structure, and the two open ends difference of the first arc structure
It is connected to the inside of the import department at condensation heat exchange device both ends, two open ends of the second arc structure are connected to condensing heat-exchange
The outside of the import department at device both ends.
Be further arranged to: the condensation heat exchange device includes three or three or more condensing units, the condensation list
Member includes the first condensing unit and the second condensing unit；
Wherein, each first condensing unit includes the first inner sealing portion and the first outer closure for being located inside and outside two sides
Portion, and it is located at the first import department and the first outlet part at both ends；
Each second condensing unit include be located inside and outside two sides a second inner sealing portion and two the second coverings
Closing part, the second import department positioned at left and right both ends, and the second outlet part between two the second covering closing part；
Two the first condensing unit groups are cooperatively formed between multiple first condensing units, which includes extremely
The first outlet part of few first condensing unit and the first adjacent condensing unit is connected with the first import department, so that the
The inside of one condensing unit group, which is formed, cooperatively forms broken line in first by the first inner sealing portion, in the outer of the first condensing unit group
Side forms the first outer broken line cooperatively formed by the first covering closing part；
Two the first condensing unit groups are located at the both ends of the second condensing unit and the first of the first condensing unit group goes out
Oral area is connected with the second import department of the second condensing unit；
Broken line cooperatively forms meander line structure in second in the first of second inner sealing portion and both ends, the first arc structure
Two open ends respectively with second in the both ends of meander line structure be joined to form the first cyclic structure, and the two of the first arc structure
Open end is located at the inside of first import department at condensation heat exchange device both ends；
Two second outer closure portions are matched with the first outer broken line at both ends respectively to be formed two continuous second and is folded outward
Cable architecture, two the second outer meander line structures are joined to form the second cyclic structure respectively for two open ends of the second arc structure,
And second arc structure two open ends be located at condensation heat exchange device both ends the first import department outside.
Be further arranged to: the import department of the condensing unit is tilted down setting.
Be further arranged to: the condensing unit further includes passing through auxiliary section reality in the auxiliary section of predetermined angle of the crossing setting
Predetermined angular cooperates between existing condensing unit and between condensing unit and high temperature tube fin type heat exchange unit.
Be further arranged to: the inner sealing portion is formed by the way that baffle is arranged in the inside of condensation heat exchange device；
Alternatively, the inner sealing portion is set on the inside of the condensing fin in the condensation heat exchange device of tube fin type heat exchange structure by constituting
The mutually nested stacking of the turnup structure set cooperatively forms.
Be further arranged to: the covering closing part is formed by the way that baffle is arranged in the outside of condensation heat exchange device；
Alternatively, the covering closing part is set on the outside of the condensing fin in the condensation heat exchange device of tube fin type heat exchange structure by constituting
The mutually nested stacking of the turnup structure set cooperatively forms.
Be further arranged to: the exhanst gas outlet is located at the top of shell, and condensation-water drain is located at the lower part of shell.
Compared with prior art, full pre-mix condensing heat exchange equipment of the invention has following major advantage:
1, high temperature heat exchanger and condensation heat exchange device cooperatively form the first cyclic structure of closed loop, on the inside of condensation heat exchange device
The flow-stopping plate (i.e. inside closure) flowed through provided with barrier flue gas, is arranged in the burner assembly burning in the first cyclic structure
Generated high-temperature flue gas radial radiation flows through high temperature heat exchanger, greatly simplifies the knot of high temperature heat exchanger and combustion chamber
Structure, to also reduce manufacture difficulty and manufacturing cost；
2, the top of shell is arranged in high temperature heat exchanger, and the lower part of shell, condensation heat exchange device is arranged in condensation heat exchange device
In flue gas be to flow diagonally downward, be conducive to the lower part that condensed water drops to shell in the case where gravity and flow of flue gas wash away, show
It writes and strengthens condensing heat-exchange, condensed water bridging phenomenon is prevented, to more effectively improve the thermal efficiency；
3, the top of shell is arranged in high temperature heat exchanger, including several high temperature tube fin type heat exchange units complement each other to form opening
First arc structure directed downwardly, and the lower part of shell, high temperature heat exchanger and condensation heat exchange device is arranged in condensation heat exchange device
It cooperatively forms in the first cyclic structure, burner assembly is arranged in the first cyclic structure, either under Design cooling load or small
Under load, condensed water is not easy on the condensation heat exchange device for dropping onto burner upper and lower portion, is significantly extended equipment and is used the longevity
Life, also effectively reduces the dust stratification incrustation inside equipment, improves the thermal efficiency of equipment long-time service；
4, the flow of flue gas heat exchange process of the first cyclic structure and the second cyclic structure that are arranged, so that the flue gas of shell contact is
Low-temperature flue gas simplifies the structure of shell to effectively reduce the materials'use requirement to shell, to greatly reduce material
Expect cost and manufacturing cost.
Detailed description of the invention
Fig. 1 is a kind of radial section structural schematic diagram of the implementation structure one of full pre-mix condensing heat exchange equipment of the present invention
(two condensing units)；
Fig. 2 is the structural schematic diagram of condensation heat exchange device in Fig. 1；
Fig. 3 is the radial section structural schematic diagram (condensing unit) of the implementation structure two of full pre-mix condensing heat exchange equipment；
Fig. 4 is the structural schematic diagram of condensation heat exchange device in Fig. 3；
Fig. 5 is the radial section structural schematic diagram (condensing unit) of the implementation structure three of full pre-mix condensing heat exchange equipment；
Fig. 6 is the structural schematic diagram of condensation heat exchange device in Fig. 5；
Fig. 7 is the condensation heat exchange device being made of in the implementation structure four of full pre-mix condensing heat exchange equipment three condensing units
Structural schematic diagram.
The following drawings is marked to mark on it in conjunction with attached drawing:
1, shell；11, exhanst gas outlet；12, condensation-water drain；2, high temperature heat exchanger；21, high temperature tube fin type heat exchange unit；3,
Condensation heat exchange device；31, condensing unit；311, inner sealing portion；312, covering closing part；313, import department；314, outlet portion；315,
Auxiliary section；32, the first condensing unit；321, the first inner sealing portion；322, the first covering closing part；323, the first import department；324,
First outlet part；325, baffle is connected；33, the second condensing unit；331, the second inner sealing portion；332, the second covering closing part；
333, the second import department；334, second outlet part；4, burner assembly；5, middle low-temperature flue gas subregion partition.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
A kind of full premixed condensed heat exchange equipment of the present invention is as shown in Figure 1, including shell 1, high temperature heat exchanger 2, condensing and change
Thermal 3, burner assembly 4 and middle low-temperature flue gas subregion partition 5；Wherein, shell 1 is columnar structured, and the top of shell 1 is set
It is equipped with exhanst gas outlet 11, the lower part of shell 1 is provided with condensation-water drain 12；High temperature heat exchanger 2 and condensation heat exchange device 3 are in diameter
To being distributed in shell 1, the top of shell 1 is arranged in high temperature heat exchanger 2, and condensation heat exchange device 3 is arranged under shell 1
Portion；High temperature heat exchanger 2 includes several high temperature tube fin type heat exchange units 21, and several high temperature tube fin type heat exchange units 21 cooperatively form
First arc structure of the direction that is open；Middle low-temperature flue gas subregion partition 5 is second be circumferentially positioned on the outside of the first arc structure
Arc structure, the first arc structure and the public condensation heat exchange device 3 of the second arc structure simultaneously are respectively cooperating with to form the first cyclic annular knot
Structure and the second cyclic structure on the outside of the first cyclic structure；The high-temperature flue gas that the burning of burner assembly 4 generates is located at first
In cyclic structure, burner assembly 4 burns the high-temperature flue gas of generation in the first cyclic structure, so that shape in the first cyclic structure
At high-temperature flue gas area；High-temperature flue gas radial radiation simultaneously flows through after high temperature heat exchanger 2 is exchanged heat and is converted into medium temperature flue gas, one
Medium temperature flue gas area is formed between cyclic structure and the second cyclic structure；Medium temperature flue gas is tied along the first cyclic structure and second are cyclic annular
The channel that structure cooperatively forms, which is flowed and flowed through after condensation heat exchange device 3 exchanges heat therewith, is converted into low-temperature flue gas, in the second cyclic annular knot
Low-temperature flue gas area is formed between structure and shell 1；Low-temperature flue gas along between the second cyclic structure and shell 1 channel flowing and from
Exhanst gas outlet 11 is discharged, and realizes entire flowing of the flue gas in heat exchange equipment；Medium temperature flue gas is contacted with condensation heat exchange device 3 simultaneously
The lower part of shell 1 can easily be entered by condensing the condensed water generated, discharged, be effectively simplified by condensation-water drain 12
The path of condensed water elimination avoids the trouble of additional guidance.
Embodiment one
As depicted in figs. 1 and 2, high temperature heat exchanger 2 includes several high temperature tube fin type heat exchange units 21, and several high temperature fin-tube types change
Hot cell 21 complements each other to form downward opening first arc structure；There are two condensing units 31 for the tool of condensation heat exchange device 3, should
Condensing unit 31 is tube fin type heat exchange structure, and each condensing unit 31 includes inner sealing portion 311, covering closing part 312, import department
313, outlet portion 314；Wherein, inner sealing portion 311 and outer closures are located at the opposite inside and outside two sides of condensing unit 31, out
Oral area 314 and import department 313 are located at the opposite left and right both ends of condensing unit 31, inner sealing portion 311 and covering closing part 312
Between cooperatively form one for the runner that guides flue gas to flow to outlet portion 314 from import department 313；Two condensing units 31 are mutual
So that inner sealing portion 311 cooperates, connection forms meander line structure for cooperation, and import department 313 is located at the both ends of condensation heat exchange device 3；
The meander line structure of condensation heat exchange device 3 closes the opening of the first arc structure, and two open ends of the first arc structure connect respectively
It is connected to the inside of the opening portion at 3 both ends of condensation heat exchange device, two open ends of the second arc structure are connected to condensing heat-exchange
The outside of the opening portion at 3 both ends of device, thus the first arc structure and the public condensation heat exchange device 3 of the second arc structure and difference
Cooperatively form the first cyclic structure and the second cyclic structure on the outside of the first cyclic structure.
High-temperature flue gas in the first cyclic structure radial radiant flux through during high temperature heat exchanger 2 is converted into after heat exchange cooling
Warm flue gas, high-temperature flue gas in the first cyclic structure be not direct due to the barrier effect in the inner sealing portion 311 of condensation heat exchange device 3
Flow into condensation heat exchange device 3；Medium temperature flue gas is flowed along the channel that the first cyclic structure and the second cyclic structure cooperatively form, from
The import department 313 at 3 both ends of condensation heat exchange device flows into, and flows out from outlet portion 314, is converted into low-temperature flue gas after heat exchange cooling；
Low-temperature flue gas is flowed along the channel that the second cyclic structure and shell 1 cooperatively form and is discharged from exhanst gas outlet 11, realizes flue gas
Fluid interchange in heat exchange equipment substantially increases the heat exchange efficiency of flue gas.
Preferably, condensing unit 31 further includes being realized in the auxiliary section 315 of predetermined angle of the crossing setting by auxiliary section 315
Predetermined angular cooperates between condensing unit 31 and between condensing unit 31 and high temperature tube fin type heat exchange unit 21.
Preferably, the opening portion at 3 both ends of condensation heat exchange device is in tilt down setting, the stream so that flue gas is tilted down
It is dynamic, to be conducive to the lower part that condensed water drops to shell in the case where gravity and flow of flue gas wash away, significantly strengthen condensing heat-exchange, prevents
Condensed water bridging phenomenon is only generated, to more effectively improve the thermal efficiency.
Preferably, inner sealing portion 311 is formed by the way that baffle is arranged in the inside of condensation heat exchange device 3, or by constituting
The mutually nested stacking cooperation of the turnup structure of the inside setting of condensing fin in the condensation heat exchange device 3 of tube fin type heat exchange structure
It is formed.
Preferably, covering closing part 312 is formed by the way that baffle is arranged in the outside of condensation heat exchange device 3, or by constituting
The mutually nested stacking cooperation of the turnup structure of the outside setting of condensing fin in the condensation heat exchange device 3 of tube fin type heat exchange structure
It is formed.
Embodiment two
As shown in Figure 3 and Figure 4, compared with embodiment one, only one condensing unit 31 of the condensation heat exchange device 3 of the present embodiment,
The condensing unit 31 is tube fin type heat exchange structure, including inner sealing portion 311, covering closing part 312, import department 313, outlet portion 314,
Inner sealing portion 311 and outer closures are located at the opposite inside and outside two sides of condensing unit 31, and outlet portion 314 and import department 313 divide
Not Wei Yu the opposite left and right both ends of condensing unit 31, one is cooperatively formed between inner sealing portion 311 and covering closing part 312 and is used for
Guidance flue gas flows to the runner of outlet portion 314 from import department 313；Two open ends of the first arc structure respectively with condensing unit 31
The both ends in inner sealing portion 311 be connected, wherein the left end open end of the first arc structure is located at the inside of opening portion, right end
Positioned at the inside of outlet portion 314；The left end open end of second arc structure is connected to the outside of opening portion, right-end openings end ring around
The outside at the right-end openings end of the first arc structure is set, realizes the circular envelope to the right-end openings end of the first arc structure
It closes, realizes that medium temperature flue gas can only flow into condensation along the channel left end that this first arc structure and the second arc structure cooperatively form and change
Thermal 3, and cannot be flowed directly out from right end；First arc structure and the public condensation heat exchange device 3 of the second arc structure simultaneously divide
The first cyclic structure and the second cyclic structure on the outside of the first cyclic structure are not cooperatively formed.
High-temperature flue gas in the first cyclic structure radial radiant flux through during high temperature heat exchanger 2 is converted into after heat exchange cooling
Warm flue gas, high-temperature flue gas in the first cyclic structure be not direct due to the barrier effect in the inner sealing portion 311 of condensation heat exchange device 3
Flow into condensation heat exchange device 3；Medium temperature flue gas is flowed along the channel that the first cyclic structure and the second cyclic structure cooperatively form, in
Warm flue gas enters the import department 313 at 3 both ends of condensation heat exchange device from the left end in channel, and flows out from outlet portion 314, drops through heat exchange
Low-temperature flue gas is converted into after temperature；Channel flowing that low-temperature flue gas is cooperatively formed along the second cyclic structure and shell 1 and from flue gas
11 discharge of outlet, realizes fluid interchange of the flue gas in heat exchange equipment, substantially increases the heat exchange efficiency of flue gas.
Embodiment three
As shown in Figure 5 and Figure 6, compared with implementation two, although the condensing heat-exchange unit of this example and embodiment all only has one
Condensing unit 31, but the specific structure of the two condensing unit 31 difference.
In the present embodiment, condensation heat exchange device 3 has a condensing unit 31, which includes sealing in one
Closing part 311,314, two, one outlet portion covering closing part 312 and Liang Ge import department 313, the setting of inner sealing portion 311 are single in condensation
The inside of member 31, Liang Ge import department 313 are located at the left and right both ends of condensing unit 31, two interval of covering closing part 312 settings
Gap between the outside of condensing unit 31, two covering closing part 312 constitutes outlet portion 314, and two covering closing part 312 are distinguished
Want to cooperatively form two channels for being connected to import department 313 and outlet portion 314 with inner sealing portion 311；The two of first arc structure open
The both ends in mouthful end inner sealing portion 311 respectively are connected and are located at the inside of both ends import department 313, and inner sealing portion 311 closes
The opening of first arc structure cooperatively forms the first cyclic structure, two open ends of the second arc structure be connected to both ends into
The inside of oral area 313 simultaneously cooperatively forms the cyclic annular knot of second be circumferentially positioned on the outside of the first cyclic structure with condensation heat exchange device 3
Structure.
High-temperature flue gas in the first cyclic structure radial radiant flux through during high temperature heat exchanger 2 is converted into after heat exchange cooling
Warm flue gas, high-temperature flue gas in the first cyclic structure be not direct due to the barrier effect in the inner sealing portion 311 of condensation heat exchange device 3
Flow into condensation heat exchange device 3；Medium temperature flue gas is flowed along the channel that the first cyclic structure and the second cyclic structure cooperatively form, from
The import department 313 at 3 both ends of condensation heat exchange device flows into, and flows out from outlet portion 314, is converted into low-temperature flue gas after heat exchange cooling；
Low-temperature flue gas is flowed along the channel that the second cyclic structure and shell 1 cooperatively form and is discharged from exhanst gas outlet 11, realizes flue gas
Fluid interchange in heat exchange equipment substantially increases the heat exchange efficiency of flue gas.
Example IV
As shown in fig. 7, the present embodiment therewith change by the most important condensation for being distinguished as the present embodiment compared with embodiment one, two, three
For the tool of thermal 3 there are three condensing unit 31, which it is cold to be specifically respectively divided into first according to the difference of its specific structure
Solidifying unit 32 and the second condensing unit 33 are specially two the first condensing units 32 and one second in three condensing units 31
Condensing unit 33；First condensing unit 32 includes the first inner sealing portion 321 and the first covering closing part for being located inside and outside two sides
322, and it is located at the first import department 323 and the first outlet part 324 at both ends；Second condensing unit 33 includes being located at
One the second inner sealing portion 331 of inside and outside two sides and two the second covering closing part 332, the second import department positioned at left and right both ends
333, and the second outlet part 334 between two the second covering closing part 332；Two the first condensing units 32 are located at
Second import of the both ends of the second condensing unit 33 and the first outlet part 324 of the first condensing unit 32 and the second condensing unit 33
Portion 333 is connected；In the inside of condensation heat exchange device 3, the first inner sealing portion 321 and second of first condensing unit 32 at both ends
Second inner sealing portion 331 of condensing unit 33 cooperatively forms a continuous interior meander line structure, in the outer of condensation heat exchange device 3
Side, it is preferred that 313 outside of import department in 314 outside of outlet portion of the first adjacent condensing unit 32 and the second condensing unit 33
Between be connected with for stop flue gas outflow connection baffle 325, thus the first outer closure of first condensing unit 32 at both ends
Portion 322 cooperatively forms two continuous outer meander line structures with two the second inner sealing portions 331 of the second condensing unit 33 respectively, from
And realize that flue gas flows into and cold along first from the first import department 323 of first condensing unit 32 at 3 both ends of condensation heat exchange device
Solidifying unit 32 and the flowing of the second condensing unit 33, finally flow out from the outlet portion 314 of the second condensing unit 33.
Two open ends of the first arc structure, which are separately connected, to be connected with the both ends of interior meander line structure and is located at both ends
The inside of first import department 323, the both ends that two open ends of the second arc structure are connected to outer meander line structure are connected simultaneously
It is located at the outside of first import department 323 at both ends, the first arc structure and the public condensation heat exchange device 3 of the second arc structure
And it is respectively cooperating with and to form the first cyclic structure and the second cyclic structure.
High-temperature flue gas in the first cyclic structure radial radiant flux through during high temperature heat exchanger 2 is converted into after heat exchange cooling
Warm flue gas, high-temperature flue gas in the first cyclic structure be not direct due to the barrier effect in the inner sealing portion 311 of condensation heat exchange device 3
Flow into condensation heat exchange device 3；Medium temperature flue gas is flowed along the channel that the first cyclic structure and the second cyclic structure cooperatively form, from
The import department 313 at 3 both ends of condensation heat exchange device flows into, and flows out from outlet portion 314, is converted into low-temperature flue gas after heat exchange cooling；
Low-temperature flue gas is flowed along the channel that the second cyclic structure and shell 1 cooperatively form and is discharged from exhanst gas outlet 11, realizes flue gas
Fluid interchange in heat exchange equipment substantially increases the heat exchange efficiency of flue gas.
With the fit form of the present embodiment, condensation heat exchange device 3 also can have four or more than four condensations are single
Member 31, condensing unit 31 divide for the first condensing unit 32 and the second condensing unit 33, and multiple condensing units 31 cooperatively form two
First 32 groups of condensing unit, each first condensing unit 32 include at least one or more than one first condensing unit 32 and
The first outlet part 324 of the first adjacent condensing unit 32 is connected with the first import department 323, at 32 groups of the first condensing unit
Inside formed by the first inner sealing portion 321 cooperatively form first in broken line, formed in 32 groups of outside of the first condensing unit
The the first outer broken line cooperatively formed by the first covering closing part 322；Second inner sealing portion 331 of the second condensing unit 33 and both ends
32 groups of the first condensing unit first in broken line cooperatively form meander line structure in second, two of the second condensing unit 33 are outer
Closure 312 cooperatively forms two second with the first outer broken line of 32 groups of first condensing unit at both ends respectively and is folded outward knot
Structure；Two open ends of the first arc structure respectively with second in the both ends of meander line structure be joined to form the first cyclic structure,
And first arc structure two open ends be located at 3 both ends of condensation heat exchange device the first import department 323 inside；Second arc
Two open ends of shape structure are joined to form the second ring with second outlet part 334 with two the second outer meander line structures respectively
Shape structure, and two open ends of the second arc structure are located at the outside of first import department 323 at condensing heat-exchange unit both ends, preferably
, between the first covering closing part 322 of the first adjacent condensing unit 32 or outside the first of the first adjacent condensing unit 32
Connection baffle 325 is connected between closure 322 and the second covering closing part 332 of the second condensing unit 33.
Compared with prior art, full pre-mix condensing heat exchange equipment of the invention has following major advantage:
1, high temperature heat exchanger and condensation heat exchange device cooperatively form the first cyclic structure of closed loop, on the inside of condensation heat exchange device
The flow-stopping plate (i.e. inside closure) flowed through provided with barrier flue gas, is arranged in the burner assembly burning in the first cyclic structure
Generated high-temperature flue gas radial radiation flows through high temperature heat exchanger, greatly simplifies the knot of high temperature heat exchanger and combustion chamber
Structure, to also reduce manufacture difficulty and manufacturing cost；
2, the top of shell is arranged in high temperature heat exchanger, and the lower part of shell, condensation heat exchange device is arranged in condensation heat exchange device
In flue gas be to flow diagonally downward, be conducive to the lower part that condensed water drops to shell in the case where gravity and flow of flue gas wash away, show
It writes and strengthens condensing heat-exchange, condensed water bridging phenomenon is prevented, to more effectively improve the thermal efficiency；
3, the top of shell is arranged in high temperature heat exchanger, including several high temperature tube fin type heat exchange units complement each other to form opening
First arc structure directed downwardly, and the lower part of shell, high temperature heat exchanger and condensation heat exchange device is arranged in condensation heat exchange device
It cooperatively forms in the first cyclic structure, burner assembly is arranged in the first cyclic structure, either under Design cooling load or small
Under load, condensed water is not easy on the condensation heat exchange device for dropping onto burner upper and lower portion, is significantly extended equipment and is used the longevity
Life, also effectively reduces the dust stratification incrustation inside equipment, improves the thermal efficiency of equipment long-time service；
4, the flow of flue gas heat exchange process of the first cyclic structure and the second cyclic structure that are arranged, so that the flue gas of shell contact is
Low-temperature flue gas simplifies the structure of shell to effectively reduce the materials'use requirement to shell, to greatly reduce material
Expect cost and manufacturing cost.
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 (11)
1. a kind of full pre-mix condensing heat exchange equipment, which is characterized in that including shell, high temperature heat exchanger, condensation heat exchange device,
Burner assembly and middle low-temperature flue gas subregion partition are provided with exhanst gas outlet and condensation-water drain, the high temperature on the shell
Inside the shell, the high temperature heat exchanger is located at the top of shell for heat-exchanger rig and condensation heat exchange device radial distribution, and condensation is changed
Thermal is located at the lower part of shell；
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
Conjunction forms downward opening first arc structure；
The middle low-temperature flue gas subregion partition is the downward opening second arcuation knot being circumferentially positioned on the outside of the first arc structure
Structure；
The condensation heat exchange device is the tube fin type heat exchange structure with condensing unit, including inner sealing portion, import department and outlet
Portion；
First arc structure and the second arc structure matched respectively with condensation heat exchange device to be formed the first cyclic structure and
Second cyclic structure, second cyclic structure are located at the outside of the first cyclic structure；
The high-temperature flue gas that the burner assembly burning generates is located in the first cyclic structure；
Wherein, the first cyclic structure is formed by the opening that the inner sealing portion of condensation heat exchange device closes the first arc structure, and first
Both arc structure and the second arc structure at least have an open end to be connected to the inside and outside two sides of same opening portion, make
The flue gas obtained between the first cyclic structure and the second cyclic structure is flowed into from the import department of condensation heat exchange device, outlet portion
Outflow.
2. a kind of full pre-mix condensing heat exchange equipment according to claim 1, which is characterized in that the condensation heat exchange device
It further include covering closing part, the covering closing part and inner sealing portion are located at the inside and outside two sides of import department, the inside and outside closure
At least one is cooperatively formed for guiding the runner of flow of flue gas, the import department and outlet portion are located at the both ends of runner.
3. a kind of full pre-mix condensing heat exchange equipment according to claim 2, which is characterized in that the condensation heat exchange device
Including a condensing unit, which includes inner sealing portion and the covering closing part for being located inside and outside two sides, and respectively
Import department and outlet portion positioned at both ends；
One open end of first arc structure and an open end of the second arc structure are connected to the inside and outside of opening portion
Two sides, another open end of the second arc structure is around another open end of the first arc structure of closing.
4. a kind of full pre-mix condensing heat exchange equipment according to claim 2, which is characterized in that the condensation heat exchange device
Including a condensing unit, which includes the inner sealing portion and two covering closing part positioned inside and outside two sides, is located at
The import department at left and right both ends, and the outlet portion between two covering closing part；
Two open ends of first arc structure are connected to the inside of both ends import department, and the two of second arc structure
Open end is connected to the outside of both ends import department.
5. a kind of full pre-mix condensing heat exchange equipment according to claim 2, which is characterized in that the condensation heat exchange device
Including two condensing units, each condensing unit includes inner sealing portion and the covering closing part for being located inside and outside two sides, and
It is located at import department and the outlet portion at both ends；
The adjacent condensing unit cooperates so that the inner sealing portion between condensing unit cooperatively forms interior meander line structure, described
The opening that interior meander line structure closes the first arc structure forms the first cyclic structure, and the two open ends difference of the first arc structure
It is connected to the inside of the import department at condensation heat exchange device both ends, two open ends of the second arc structure are connected to condensing heat-exchange
The outside of the import department at device both ends.
6. a kind of full pre-mix condensing heat exchange equipment according to claim 2, which is characterized in that the condensation heat exchange device
Including three or three or more condensing units, which includes the first condensing unit and the second condensing unit；
Wherein, each first condensing unit includes the first inner sealing portion and the first outer closure for being located inside and outside two sides
Portion, and it is located at the first import department and the first outlet part at both ends；
Each second condensing unit include be located inside and outside two sides a second inner sealing portion and two the second coverings
Closing part, the second import department positioned at left and right both ends, and the second outlet part between two the second covering closing part；
Two the first condensing unit groups are cooperatively formed between multiple first condensing units, which includes extremely
The first outlet part of few first condensing unit and the first adjacent condensing unit is connected with the first import department, so that the
The inside of one condensing unit group, which is formed, cooperatively forms broken line in first by the first inner sealing portion, in the outer of the first condensing unit group
Side forms the first outer broken line cooperatively formed by the first covering closing part；
Two the first condensing unit groups are located at the both ends of the second condensing unit and the first of the first condensing unit group goes out
Oral area is connected with the second import department of the second condensing unit；
Broken line cooperatively forms meander line structure in second in the first of second inner sealing portion and both ends, the first arc structure
Two open ends respectively with second in the both ends of meander line structure be joined to form the first cyclic structure, and the two of the first arc structure
Open end is located at the inside of first import department at condensation heat exchange device both ends；
Two second outer closure portions are matched with the first outer broken line at both ends respectively to be formed two continuous second and is folded outward
Cable architecture, two the second outer meander line structures are joined to form the second cyclic structure respectively for two open ends of the second arc structure,
And second arc structure two open ends be located at condensation heat exchange device both ends the first import department outside.
7. a kind of full pre-mix condensing heat exchange equipment according to any one of claims 1 to 6, which is characterized in that described cold
The import department of solidifying unit is tilted down setting.
8. a kind of full pre-mix condensing heat exchange equipment according to claim 1, which is characterized in that the condensing unit also wraps
The auxiliary section in the setting of the predetermined angle of the crossing is included, is realized between condensing unit by auxiliary section and condensing unit and high temperature pipe wing
Predetermined angular cooperates between formula heat exchange unit.
9. a kind of full pre-mix condensing heat exchange equipment according to claim 2, which is characterized in that the inner sealing portion is logical
It crosses and is formed in the inside of condensation heat exchange device setting baffle；
Alternatively, the inner sealing portion is set on the inside of the condensing fin in the condensation heat exchange device of tube fin type heat exchange structure by constituting
The mutually nested stacking of the turnup structure set cooperatively forms.
10. a kind of full pre-mix condensing heat exchange equipment according to claim 9, which is characterized in that the covering closing part is
It is formed by the way that baffle is arranged in the outside of condensation heat exchange device；
Alternatively, the covering closing part is set on the outside of the condensing fin in the condensation heat exchange device of tube fin type heat exchange structure by constituting
The mutually nested stacking of the turnup structure set cooperatively forms.
11. a kind of full pre-mix condensing heat exchange equipment according to claim 1, which is characterized in that the exhanst gas outlet
Positioned at the top of shell, condensation-water drain is located at the lower part of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206786.7A CN109163451A (en) | 2018-10-17 | 2018-10-17 | A kind of full pre-mix condensing heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206786.7A CN109163451A (en) | 2018-10-17 | 2018-10-17 | A kind of full pre-mix condensing heat exchange equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163451A true CN109163451A (en) | 2019-01-08 |
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ID=64878388
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206786.7A Pending CN109163451A (en) | 2018-10-17 | 2018-10-17 | A kind of full pre-mix condensing heat exchange equipment |
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| CN (1) | CN109163451A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865009A (en) * | 2009-04-17 | 2010-10-20 | 昆山格瑞得利工具有限公司 | Catalyst added silencer structure improvement |
| CN206648301U (en) * | 2017-01-27 | 2017-11-17 | 黄婉平 | Applied to gas-heating water heater or the heat exchanger of gas heater |
| CN108413614A (en) * | 2018-05-10 | 2018-08-17 | 宁波市哈雷换热设备有限公司 | Full pre-mix condensing heat-exchanger rig |
| CN208901640U (en) * | 2018-10-17 | 2019-05-24 | 宁波市哈雷换热设备有限公司 | A kind of full pre-mix condensing heat exchange equipment |
-
2018
- 2018-10-17 CN CN201811206786.7A patent/CN109163451A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865009A (en) * | 2009-04-17 | 2010-10-20 | 昆山格瑞得利工具有限公司 | Catalyst added silencer structure improvement |
| CN206648301U (en) * | 2017-01-27 | 2017-11-17 | 黄婉平 | Applied to gas-heating water heater or the heat exchanger of gas heater |
| CN108413614A (en) * | 2018-05-10 | 2018-08-17 | 宁波市哈雷换热设备有限公司 | Full pre-mix condensing heat-exchanger rig |
| CN208901640U (en) * | 2018-10-17 | 2019-05-24 | 宁波市哈雷换热设备有限公司 | A kind of full pre-mix condensing heat exchange equipment |
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