CN108662782A - Combustion heat-exchange system and gas heater with it - Google Patents
Combustion heat-exchange system and gas heater with it Download PDFInfo
- Publication number
- CN108662782A CN108662782A CN201710204255.3A CN201710204255A CN108662782A CN 108662782 A CN108662782 A CN 108662782A CN 201710204255 A CN201710204255 A CN 201710204255A CN 108662782 A CN108662782 A CN 108662782A
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- Prior art keywords
- heat
- thermal insulation
- insulation board
- combustion chamber
- heat exchanger
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 144
- 238000009413 insulation Methods 0.000 claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 230000005855 radiation Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of combustion heat-exchange system and with its gas heater, the combustion heat-exchange system includes：Combustion chamber framework；Heat exchanger, the heat exchanger are located above the combustion chamber framework；Burner for heating the heat exchanger, the burner are located in the combustion chamber framework and are spaced apart with the heat exchanger；Thermal insulation board, the thermal insulation board are located at at least side of the burner and between the heat exchanger and the burners, and exhaust passage is limited between the thermal insulation board and the combustion chamber framework.Combustion heat-exchange system according to the ... of the embodiment of the present invention, combustion heat-exchange system according to the ... of the embodiment of the present invention, by the way that thermal insulation board is arranged in the upper end of burner, and by thermal insulation board and combustion chamber framework inner wall arranged for interval, make to form air duct between thermal insulation board and combustion chamber framework inner wall, realizes heat insulation.
Description
Technical field
The present invention relates to technical field of water heaters, more particularly, to a kind of combustion heat-exchange system and with its combustion gas
Water heater.
Background technology
The combustion heat-exchange system of gas heater is mainly made of burner assembly and heat exchanger, and connecting portion is combustion chamber
Framework and heat exchanger framework.Combustion chamber framework and the faying face of heat exchanger framework are substantially flush with burner fire hole horizontal face.By
The radiations heat energy largely released can be such that framework surface temperature drastically increases when burning, be easy to burn, crumple or scaling loss is bad.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of combustion
Heat-exchange system is burnt, the structure of the combustion heat-exchange system is simple, and service life is long.
The present invention also proposes a kind of gas heater with above-mentioned combustion heat-exchange system.
The combustion heat-exchange system of embodiment according to a first aspect of the present invention, including：Combustion chamber framework；Heat exchanger, it is described to change
Hot device is located above the combustion chamber framework；Burner for heating the heat exchanger, the burner are located at the burning
It is spaced apart in the framework of room and with the heat exchanger；Thermal insulation board, the thermal insulation board are located at at least side of the burner and are located at
Between the heat exchanger and the burner, exhaust passage is limited between the thermal insulation board and the combustion chamber framework.
Combustion heat-exchange system according to the ... of the embodiment of the present invention makes thermal insulation board by the way that thermal insulation board is arranged in the upper end of burner
By above burner flame and at least part inner wall of combustion chamber framework separate, realize heat insulation, and by thermal insulation board with
Combustion chamber framework inner wall arranged for interval makes to form air duct between thermal insulation board and combustion chamber framework inner wall, further realizes heat-insulated effect
Fruit, and then be conducive to reduce the height of heat exchanger on this basis, increase the height of combustion chamber framework, to reduce copper product
Dosage reduces production cost.
According to one embodiment of present invention, the lower end of the thermal insulation board is connected with the upper surface outer periphery of the burner
And form the annular plate for the upper surface outer periphery for being disposed around the burner.
According to one embodiment of present invention, the cross section of the burner and the combustion chamber framework is respectively formed square
Shape, the thermal insulation board include：First thermal insulation board, first thermal insulation board be located at the upper end outer periphery of the burner and with it is described
The first side wall of combustion chamber framework corresponds to；Second thermal insulation board, second thermal insulation board are located at the upper end outer periphery of the burner
And it is corresponding with the second sidewall of combustion chamber framework, the first side wall and the second sidewall are positioned opposite；Third every
Hot plate, the third thermal insulation board are located at the upper end outer periphery of the burner and opposite with the third side wall of combustion chamber framework
It answers, the third side wall is adjacently positioned with the first side wall；4th thermal insulation board, the 4th thermal insulation board are located at the burner
Upper end outer periphery and corresponding with the 4th side wall of combustion chamber framework, the 4th side wall is opposite with the third side wall
Arrangement.
According to one embodiment of present invention, further include for the water inlet pipe to heat exchanger conveying water, the water inlet
Pipe along the heat exchanger circumferential disc around.
Optionally, the water inlet pipe is coiled in the number of turns of the heat exchanger more than or equal to a circle and less than two circles.Pass through
Thermal insulation board is set in combustion heat radiation risk region, the height of heat exchanger can be reduced on this basis, increase combustion chamber frame
The height of body and the number of turns that water inlet pipe is coiled in heat exchanger are reduced to more than or equal to a circle and less than two circles, are not being influenced
The dosage that the copper product of water inlet pipe 51 is reduced in the case of being preheated to water inlet, further decreases production cost.
Optionally, the heat exchanger includes：Heat exchange fin；Heat exchanger tube, the heat exchanger tube is serpentine-like from bottom to up to pass through institute
It states heat exchange fin and connects with underlying input end and the outlet end being located above, the input end and the water inlet pipe
Logical, the outlet end is connected with outlet pipe.
Optionally, the input end is located at the same side of the heat exchanger with the water inlet pipe.
Optionally, the input end is located at the opposite sides of the heat exchanger with the water inlet pipe.
According to one embodiment of present invention, further include for into the combustion chamber framework convey air wind turbine, institute
The air outlet for stating wind turbine is connected with the air duct.
The gas heater of embodiment according to a second aspect of the present invention includes the combustion heat-exchange according to above-described embodiment
System.By using the combustion heat-exchange system, it is conducive to extend the service life of gas heater.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the front view of combustion heat-exchange system according to an embodiment of the invention；
Fig. 2 is the rearview of combustion heat-exchange system according to an embodiment of the invention；
Fig. 3 is the assembling of the combustion chamber framework and burner, thermal insulation board of combustion heat-exchange system according to the ... of the embodiment of the present invention
Schematic diagram afterwards；
Fig. 4 is the side view of structure shown in Fig. 1；
Fig. 5 is side view of the structure shown in Fig. 1 in another direction.
Reference numeral：
Combustion heat-exchange system 100,
Combustion chamber framework 10, combustion chamber 11,
Heat exchanger 20, heat exchange framework 21, heat exchange fin 22, heat exchange straight tube 23, bridge piece 24, input end 251, outlet end
252、
Burner 30,
Thermal insulation board 40, air duct 401, the first thermal insulation board 41, the second thermal insulation board 42, third thermal insulation board 43, the 4th thermal insulation board 44,
Water inlet pipe 51, outlet pipe 52,
Wind turbine 60, ignition electrode 70.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", " thickness ", "upper", "lower",
The fingers such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and behaviour
Make, therefore is not considered as limiting the invention.
The combustion heat-exchange system of gas heater is made of burner assembly and heat exchanger, and connecting portion is combustion chamber framework
With heat exchanger framework.Wherein, the material of combustion chamber framework be galvanized sheet, heat exchanger framework material be copper.Combustion chamber framework with
The faying face of heat exchanger framework is substantially flush with burner fire hole horizontal face.Since the radiations heat energy largely released when burning can make
Framework surface temperature drastically increases, and is easy to burn, crumple or scaling loss is bad.
The generation of the above situation in order to prevent, the relevant technologies are made very high by what the height of heat exchanger framework was done, height
Package range covers combustion heat radiation risk region, and in the outer surface of entire framework around multi-turn water inlet pipe, in water inlet pipe
Water to be heated cools down framework surface.Due to the excessive height of heat exchanger framework, the copper product dosage of water inlet pipe is caused to increase,
To increase material cost.Furthermore since the rigidity of copper is poor, heat exchanger framework easily deforms.And due to water inlet pipe
Limited with the contact area of heat exchanger framework, cooling effect is limited, and cooling range is uneven.
For this purpose, the present invention proposes a kind of combustion heat-exchange system and the gas heater with it.The combustion heat-exchange system
Structure it is simple, service life is long.
The combustion heat-exchange system 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 5.
As Figure 1-Figure 5, combustion heat-exchange system 100 according to the ... of the embodiment of the present invention includes：Combustion chamber framework 10, heat exchange
Device 20, burner 30 and thermal insulation board 40.
Heat exchanger 20 is located at 10 top of combustion chamber framework.Burner 30 is located in combustion chamber framework 10 and between heat exchanger 20
It separates, is used for heating heat exchanger 20.Thermal insulation board 40 is located at at least side of burner 30 and positioned at heat exchanger 20 and burner 30
Between, that is, it is in combustion heat radiation risk region, by the upper space of burner 30 and at least one of combustion chamber framework 10
Inner wall is divided to separate.Exhaust passage 401 is limited between thermal insulation board 40 and combustion chamber framework 10, is used for ventilating air, is realized heat-insulated effect
Fruit.
When work, the flame heat exchanging device 20 of 30 top of burner heats, to make the water in heat exchanger 20 heat up.Due to
Thermal insulation board 40 is mounted on the upper end of burner 30, can be by the flame of 30 top of burner and at least one of combustion chamber framework 10
Divide inner wall to separate, reach heat insulation, along with the air gap between thermal insulation board 40 and combustion chamber framework 10, may further ensure that
Heat insulation, so as to improve the harm of burning heat radiation.
Combustion heat-exchange system 100 according to the ... of the embodiment of the present invention is made by the way that thermal insulation board 40 is arranged in the upper end of burner 30
Thermal insulation board 40 separates the flame of 30 top of burner and at least part inner wall of combustion chamber framework 10, realizes heat insulation,
And by thermal insulation board 40 and 10 inner wall arranged for interval of combustion chamber framework, make to form wind between 10 inner wall of thermal insulation board 40 and combustion chamber framework
Road 401, further realizes heat insulation, so as to improve the harm of burning heat radiation, and then is conducive to reduce on this basis and change
The height of hot device 20, the height for increasing combustion chamber framework 10 reduce production cost to reduce the dosage of copper product.
Therefore, the structure of the combustion heat-exchange system 100 is simple, and service life is long, and production cost is low.
According to one embodiment of present invention, combustion heat-exchange system 100 includes：It is combustion chamber framework 10, burner 30, heat-insulated
Plate 40, heat exchanger 20, ignition electrode 70.Heat exchanger 20 includes heat exchange framework 21, and heat exchange framework 21 is located at 10 top of combustion chamber framework
And it is hinged or is threadedly coupled with the upper end of combustion chamber framework 10.It is defined in combustion chamber framework 10 along its axially extending burning
Room 11, " axial direction " here can refer to the upper and lower directions of combustion chamber framework 10 as shown in Figure 1.Burner 30 is mounted on burning
It is spaced apart in above-below direction in room 11 and with heat exchange framework 21.Ignition electrode 70 is mounted on burner 30 to realize igniting.
The lower end of thermal insulation board 40 is connected with the upper surface outer periphery of burner 30 and forms the upper end for being disposed around burner 30
The annular plate of face outer periphery.Annular heat plate 40 is by the flame of 30 upper end of burner and 10 internal perisporium of combustion chamber framework as a result,
Keep apart, prevents combustion chamber framework 10 by burning heat radiation.And the internal perisporium of annular heat plate 40 and combustion chamber framework 10
Annulus gap is limited, further achievees the effect that heat-insulated, the service life of extension combustion chamber framework 10.
As shown in Figure 1, in some instances, the cross section of burner 30 and combustion chamber framework 10 is respectively formed rectangle, every
Hot plate 40 includes：First thermal insulation board 41, the second thermal insulation board 42, third thermal insulation board 43 and the 4th thermal insulation board 44.
First thermal insulation board 41 is located at the upper end outer periphery of burner 30 and corresponding with the first side wall of combustion chamber framework 10.This
In " the first side wall " can be combustion chamber framework 10 as shown in Figure 1 front side wall, the first thermal insulation board 41 is located at burner 30
Upper end is located at the outer periphery of front side and limits exhaust passage 401 with the front side wall of combustion chamber framework 10.
Second thermal insulation board 42 is located at the upper end outer periphery of burner 30 and corresponding with the second sidewall of combustion chamber framework 10,
The first side wall is positioned opposite with second sidewall." second sidewall " is the rear wall of combustion chamber framework 10 as shown in Figure 2, second every
Hot plate 42 is located at 30 upper end of burner and is located at the outer periphery of rear side and limits exhaust passage 401 with the rear wall of combustion chamber framework 10.
Third thermal insulation board 43 is located at the upper end outer periphery of burner 30 and corresponding with the third side wall of combustion chamber framework 10,
Third side wall is adjacently positioned with the first side wall." third side wall " is the left side wall of combustion chamber framework 10 as shown in Figure 4, third every
Hot plate 43 is located at 11 upper end of combustion chamber and is located at the outer periphery in left side and limits exhaust passage 401 with the left side wall of combustion chamber framework 10.
4th thermal insulation board 44 is located at the upper end outer periphery of burner 30 and corresponding with the 4th side wall of combustion chamber framework 10,
4th side wall and third side wall are positioned opposite." the 4th side wall " is the right side wall of combustion chamber framework 10 as shown in Figure 5, the 4th every
Hot plate 44 is located at 11 upper end of combustion chamber and is located at the outer periphery on right side and limits exhaust passage 401 with the right side wall of combustion chamber framework 10.
By being arranged four thermal insulation boards 40 in the upper end outer periphery of burner 30, and by each thermal insulation board 40 and combustion chamber frame
The correspondence side wall of body 10 is spaced apart, and ensures the use reliability of combustion chamber framework 10.
It is understood that the cross section of burner 30 and combustion chamber framework 10, which is formed, is not limited to rectangle, and burn
Device 30 and the cross-sectional shape of combustion chamber framework 10 can be identical or different, in this regard, the present invention does not limit.
As depicted in figs. 1 and 2, combustion heat-exchange system 100 further includes the water inlet pipe 51 for conveying water to heat exchanger 20, into
Water pipe 51 is made of copper product and along the circumferential disc of heat exchanger 20 around making the water in water inlet pipe 51 be changed with heat exchanger 20
Heat.Heat exchanger 20 preheats the water in water inlet pipe 51 as a result, improves the thermal efficiency, reduces heat loss.
In the related technology there is waste copper product, craftsmanship in the combustion heat-exchange system with multi-turn water inlet pipe but without thermal insulation board
Difference, active area are uneven, can not intake the shortcomings of preheating.
The present invention on the basis of ensureing that the axial distance of the bottom of top and combustion chamber framework 10 of heat exchanger 20 is constant,
It reduces the height of heat exchanger 20 and increases the height of combustion chamber framework 10, then water inlet pipe 51 is coiled in the number of turns of heat exchanger 20
It is reduced to more than or equal to a circle and less than two circles, while thermal insulation board 40 is set on burner 30, due to the height of heat exchanger 20
It spends relatively low, water inlet pipe 51 length to shorten, to reduce the use of copper product, reduces production cost.And thermal insulation board 40 wraps
It is rolled in combustion heat radiation risk region, realizes heat insulation, improves the harm of burning heat radiation, can become to avoid framework
Shape, to enhance structural rigidity.
Shown in as shown in Figure 1, Figure 3 and Figure 4, further embodiment according to the present invention, heat exchanger 20 includes：Exchange heat framework
21, heat exchange fin 22 and heat exchanger tube.Heat exchange framework 21, heat exchange fin 22 and heat exchanger tube are all made of copper product and are made.
The framework 21 that exchanges heat is mounted on 10 top of combustion chamber framework, and heat exchange fin 22 is located in heat exchange framework 21.Heat exchanger tube packet
Multiple heat exchange straight tubes 23 and multiple bridge pieces 24 are included, heat exchange straight tube 23 can be threaded through heat exchange fin in multilayer along the vertical direction
On 22, and bridge piece 24 is located at the end of heat exchange fin 22 to be connected to two heat exchange straight tubes 23.
That is, being passed through heat exchange fin 22 with the snakelike heat exchange tube that bridge piece 24 is assembled by heat exchange straight tube 23 and being changed
The outlet end 252 that heat pipe has underlying input end 251 and is located above.Input end 251 is connected to water inlet pipe 51, outlet
End 252 is connected with outlet pipe 52.When work, by water inlet pipe 51 to heat exchanger tube water flowing, heat exchange fin 22 and the water in heat exchanger tube into
Row heat exchange, the water after heating are discharged by outlet pipe 52.
Optionally, input end 251 is located at the same side of heat exchanger 20 with water inlet pipe 51, and water inlet pipe 51 is coiled in heat exchanger 20
The number of turns be 1.For example, the water outlet of input end 251 and water inlet pipe 51 is respectively positioned on the right side of heat exchange framework 21, water inlet pipe 51 is from changing
The right side of hot device 20 is along heat exchanger 20 circumferentially around being connected to after a week with input end 251.That is, before heat exchange framework 21
Side, left side, right side, rear side respectively coil one section of water inlet pipe 51.
In some optional embodiments, input end 251 is located at the opposite sides of heat exchanger 20, water inlet pipe with water inlet pipe 51
51 number of turns for being coiled in heat exchanger 20 are 1.5.As shown in Figure 1, Figure 2 and Figure 4, input end 251 and outlet end 252 are respectively positioned on heat exchange
The left side of device 20, water inlet pipe 51 are located at the right side of heat exchanger 20, and water inlet pipe 51 is from the right side of heat exchanger 20 along the week of heat exchanger 20
To rounding after half, be connected to around to the left side of heat exchanger 20 and with input end 251.That is, the front side of heat exchange framework 21,
One section of water inlet pipe 51 is respectively coiled on left side, right side, and rear side coils two-stage water pipe 51, and at a distance of relatively close.
Thermal insulation board 40 is set in combustion heat radiation risk region as a result, heat exchanger 20 can be reduced on this basis
Highly, increase the height of combustion chamber framework 10 and water inlet pipe 51 is coiled in the number of turns of heat exchanger 20 and be reduced to and be greater than or equal to
One encloses and is enclosed less than two, the dosage of the copper product of reduction water inlet pipe 51 in the case where not influencing to preheat water inlet, further drop
Low production cost.
According to one embodiment of present invention, combustion heat-exchange system 100 further includes for being conveyed into combustion chamber framework 10
The wind turbine 60 of air, air outlet and the air duct 401 of wind turbine 60 are connected.Wind turbine 60 is in the air blast into combustion chamber framework 10, one
Divide air flowing in air duct 401, to form air gap, further realizes heat insulation.
Fig. 1-Fig. 5 shows that a specific embodiment of combustion heat-exchange system 100, combustion heat-exchange system 100 include：Burning
Room framework 10,30, four thermal insulation boards 40 of burner, heat exchange framework 21, heat exchange fin 22, heat exchange straight tube 23, bridge piece 24, into
Water pipe 51, outlet pipe 52.
Heat exchange straight tube 23 divides three layers of heat exchange fin 22 passed through in heat exchange framework 21 and both ends pass through the outer of heat exchange framework 21
Wall, every layer includes two to three.The water outlet of water inlet pipe 51 and the heat exchange straight tube 23 of the bottom connect, the water inlet end of outlet pipe 52
It is connect with the heat exchange straight tube 23 of top layer, remaining heat exchange straight tube 23 is connected by bridge piece 24, logical to constitute entire water
Road.Water inlet pipe 51 is coiled in outside heat exchange framework 21.
The front side of combustion chamber framework 10 and open upper end, the front side of combustion chamber framework 10 be covered with cover board and with combustion chamber frame
Body 10 is threadedly coupled, hinged or welding is to limit closed combustion chamber 11.Combustion chamber framework 10 is with the cover board by zinc-plated
Plate material is made.Burner 30 is mounted on the lower part in combustion chamber framework 10, and air inlet injection area divides gas with front installation
The nozzle location of bar corresponds.Igniter is mounted on the outside of the burner 30 in combustion chamber 11.
Four thermal insulation boards 40 are made of stainless steel material and are respectively positioned at the first thermal insulation board 41 of front side, positioned at rear side
Second thermal insulation board 42, the third thermal insulation board 43 positioned at left side, the 4th thermal insulation board 44 positioned at right side.Each thermal insulation board 40 and burning
11 inner wall of room retains certain gap with ventilating air.
With in the related technology by multiple-turns wound heat exchange framework on water inlet pipe be exchange heat framework 21 cooling scheme phase
Than the present invention shortens the height of heat exchange framework 21 on the basis of keeping burner 30 constant to the distance between heat exchange fin 22
Degree increases the height of combustion chamber framework 10, water inlet pipe 51 is changed to 01 sections of a circle or a circle, and in 11 inner wall surrounding of combustion chamber
Increase thermal insulation board 40, to the ventilating air between 10 inner wall of combustion chamber framework and thermal insulation board 40, by heat radiation and combustion chamber frame
Body 10 completely cuts off, and protects combustion chamber framework 10.This construction reduce the uses of copper product, enhance whole structural rigidity；Simultaneously
The water inlet pipe 51 of one to two circles retained preheats inflow temperature, enhances the thermal efficiency, reduces heat loss, evenly, can
It leans on.
The gas heater of embodiment includes the combustion heat-exchange system according to above-described embodiment according to a second aspect of the present invention
100.Since combustion heat-exchange system 100 according to the ... of the embodiment of the present invention has above-mentioned technique effect, implemented according to the present invention
The gas heater of example also has above-mentioned technique effect, i.e. the structure of the gas heater is simple, and structural rigidity is good, service life
Long, production cost is low.
Other of gas heater according to the ... of the embodiment of the present invention are constituted and are operated for those of ordinary skill in the art
For be all known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of combustion heat-exchange system, which is characterized in that including：
Combustion chamber framework；
Heat exchanger, the heat exchanger are located above the combustion chamber framework；
Burner for heating the heat exchanger, the burner are located in the combustion chamber framework and between the heat exchanger
It separates；
Thermal insulation board, the thermal insulation board be located at at least side of the burner and positioned at the heat exchanger and the burner it
Between, limit exhaust passage between the thermal insulation board and the combustion chamber framework.
2. combustion heat-exchange system according to claim 1, which is characterized in that the lower end of the thermal insulation board and the burner
Upper surface outer periphery be connected and formed be disposed around the burner upper surface outer periphery annular plate.
3. combustion heat-exchange system according to claim 1 or 2, which is characterized in that the burner and the combustion chamber frame
The cross section of body is respectively formed rectangle, and the thermal insulation board includes：
First thermal insulation board, first thermal insulation board are located at the upper end outer periphery of the burner and with the of the combustion chamber framework
One side wall corresponds to；
Second thermal insulation board, second thermal insulation board are located at the upper end outer periphery of the burner and with the of the combustion chamber framework
Two side walls are corresponding, and the first side wall and the second sidewall are positioned opposite；
Third thermal insulation board, the third thermal insulation board are located at the upper end outer periphery of the burner and with the of the combustion chamber framework
Three side walls are corresponding, and the third side wall is adjacently positioned with the first side wall；
4th thermal insulation board, the 4th thermal insulation board are located at the upper end outer periphery of the burner and with the of the combustion chamber framework
Four side walls are corresponding, and the 4th side wall and the third side wall are positioned opposite.
4. combustion heat-exchange system according to claim 1, which is characterized in that further include for conveying water to the heat exchanger
Water inlet pipe, the water inlet pipe along the heat exchanger circumferential disc around.
5. combustion heat-exchange system according to claim 4, which is characterized in that the water inlet pipe is coiled in the heat exchanger
The number of turns is greater than or equal to a circle and less than two circle.
6. combustion heat-exchange system according to claim 4 or 5, which is characterized in that the heat exchanger includes：
Heat exchange fin；
Heat exchanger tube, the heat exchanger tube is serpentine-like from bottom to up to be passed through the heat exchange fin and has underlying input end and position
Outlet end in top, the input end are connected to the water inlet pipe, and the outlet end is connected with outlet pipe.
7. combustion heat-exchange system according to claim 6, which is characterized in that the input end is located at institute with the water inlet pipe
State the same side of heat exchanger.
8. combustion heat-exchange system according to claim 6, which is characterized in that the input end is located at institute with the water inlet pipe
State the opposite sides of heat exchanger.
9. combustion heat-exchange system according to claim 1, which is characterized in that further include for into the combustion chamber framework
The wind turbine of air is conveyed, the air outlet of the wind turbine is connected with the air duct.
10. a kind of gas heater, which is characterized in that include the combustion heat-exchange system according to any one of claim 1-9
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204255.3A CN108662782A (en) | 2017-03-30 | 2017-03-30 | Combustion heat-exchange system and gas heater with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204255.3A CN108662782A (en) | 2017-03-30 | 2017-03-30 | Combustion heat-exchange system and gas heater with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108662782A true CN108662782A (en) | 2018-10-16 |
Family
ID=63785690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710204255.3A Pending CN108662782A (en) | 2017-03-30 | 2017-03-30 | Combustion heat-exchange system and gas heater with it |
Country Status (1)
| Country | Link |
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| CN (1) | CN108662782A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682789A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| WO2021083338A1 (en) * | 2019-10-31 | 2021-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas device |
Citations (14)
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| CN112682789B (en) * | 2019-10-17 | 2022-09-27 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| WO2021083338A1 (en) * | 2019-10-31 | 2021-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas device |
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