CN110530010A - A kind of fully-premixed water heater - Google Patents
A kind of fully-premixed water heater Download PDFInfo
- Publication number
- CN110530010A CN110530010A CN201910845950.7A CN201910845950A CN110530010A CN 110530010 A CN110530010 A CN 110530010A CN 201910845950 A CN201910845950 A CN 201910845950A CN 110530010 A CN110530010 A CN 110530010A
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- China
- Prior art keywords
- mixing chamber
- burner
- shell
- water heater
- fully
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 59
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 239000000567 combustion gas Substances 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 59
- 238000005192 partition Methods 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 7
- 230000037237 body shape Effects 0.000 claims 1
- 238000005474 detonation Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- 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 fully-premixed water heaters, comprising: shell；Air intake assembly, air intake assembly include shell and air blower, and shell and air blower are mounted on shell internal upper part, and shell includes the first mixing chamber and the second mixing chamber, have the first entrance entered for combustion gas on the first mixing chamber, for the second entrance of air entrance；First mixing chamber is connected to the second mixing chamber and connectivity part is arranged in angle；Burner, burner have air inlet and fire end, and air inlet is located relatively at the top of fire end, and air inlet is connected to the output end of the second mixing chamber；Combustion chamber is located at below burner, docks with the fire end of burner, has in combustion chamber and accommodates the space that burner generates flame；Heat exchanging pipe carries out heat exchange with combustion chamber.Combustion gas and air are sufficiently mixed by the water heater of above structure by air intake assembly, help to reduce detonation and bad phenomenon of burning occurs.
Description
Technical field
The present invention relates to gas appliance technical field, in particular to a kind of fully-premixed water heater.
Background technique
In order to improve the thermal efficiency of gas heater, it can choose using fully-premixed air inlet, i.e., combustion gas and air exist
It is adequately mixed before lighting, is then ignited again, the air intake assembly complex structural designs on existing water heater and do not conformed to
Reason, causes combustion gas mixing not uniform enough, and then detonation occurs and bad phenomenon of burning；In addition, existing gas heater exists
Also there is improved space in other structures.
Summary of the invention
It is an object of the invention at least solve one of the technical problems existing in the prior art, provide a kind of fully-premixed
Air and combustion gas can be sufficiently mixed by water heater, be uniformly mixed, and reduce detonation and bad phenomenon of burning.
According to an aspect of the present invention, a kind of fully-premixed water heater is provided, comprising:
Shell；
Air intake assembly, the air intake assembly include shell and air blower, and the shell and air blower are installed on inside the shell
Portion, the shell include the first mixing chamber and the second mixing chamber, have the first entrance entered for combustion gas, confession on the first mixing chamber
The second entrance that air enters；The output end of first mixing chamber is connected to the input terminal of second mixing chamber, and described
One mixing chamber and the second mixing chamber connectivity part are arranged in angle；
Burner is mounted in the shell, and the burner has air inlet and fire end, and the air inlet is with respect to position
In the top of the fire end, the air inlet is connected to the output end of second mixing chamber；
Combustion chamber is mounted in the shell, is located at below the burner, the fire end pair with the burner
It connects, has in the combustion chamber and accommodate the space that the burner generates flame；
Heat exchanging pipe carries out heat exchange with the combustion chamber.
It preferably, is in Venturi tube shape inside first mixing chamber, the first entrance is located at first mixing chamber
Converging transition side wall on, the second entrance is located at the end of the converging transition of first mixing chamber, the second entrance with
The air blower connection.
Preferably, second mixing chamber is L-shaped, and second mixing chamber includes a vertical section and traversing section, described perpendicular
Straight section side wall upper part is connected to the output end of first mixing chamber, and the vertical section lower end is connected to described traversing section one end；
In a rectangular parallelepiped shape, the traversing section is in class rectangular-shape to the vertical section, and the traversing section upper surface is set as inclined surface；The cross
Several first through hole are provided on the lower end surface of section.
Preferably, the first through hole aperture is 0.9mm-1.1mm, the center between the adjacent first through hole away from for
1.5mm-2mm。
Preferably, the burner includes ontology, has several first passages passed through for mixed gas on the ontology,
The heat exchanging pipe runs through the first passage in the side-walls of the first passage, and the heat exchanging pipe runs through at least described in one
First passage.
Preferably, it is provided with one second through-hole on the ontology, an at least first partition is provided in second through-hole,
Second through-hole is divided into several first passages by the first partition.
Preferably, in a rectangular parallelepiped shape, several first partitions are set in parallel second through-hole, the first partition
It is parallel with a pair of sidewalls of second through-hole.
It preferably, include several straightways and several arc segments positioned at the heat exchanging pipe of burner region, it is described straight
Line segment runs through the side wall of second through-hole, and the arc segment is for connecting several straightways.
Preferably, for the first partition with a thickness of 0.25mm-0.35mm, the first passage width is 1.1mm-1.3mm；
Gas outlet end face on the heat exchanging pipe near first passage described in distance in place of the first passage gas outlet is 7mm-
8mm。
Preferably, preheating device is additionally provided in the shell, the preheating device includes preheating chamber, the preheating cavity
Chamber interior is divided into several second channels by several second partitions, and described second channel one end and combustion chamber output end connect
It connects, the other end of the second channel is connect with an exhaust pipe, and the heat exchanging pipe runs through the preheating chamber.
Any of the above-described technical solution at least has the advantages that the water heater of above structure will be fired by air intake assembly
Gas and air are sufficiently mixed, and detailed process is as follows, and combustion gas and air enter the first mixing chamber and tentatively mixed later
After obtain mixed gas, mixed gas is in laminar condition at this time, and mixed mixed gas is entering in the second mixing chamber
When turned to, mixed gas becomes turbulent condition by laminar condition at this time, so that air and combustion gas are adequately mixed
It closes, helps to reduce detonation and bad phenomenon of burning occurs；Mixed gas after mixing is entered in burner and is carried out
Burning, the flame for generation of burning are located in combustion chamber, and the water in the high-temperature gas exchange pipe line of generation is heated；It needs
It is noted that the flame generated in above-mentioned technical proposal is from top to bottom, to accelerate the flowing of mixed gas by air blower, into
And maintain flame downward, it can so prevent to cause internal part to be corroded because of condensate return, flue gas flow rate can also be reduced,
Increase the time that combustion product gases are contacted with heat exchanging pipe, promotes heat transfer rate.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples；
Fig. 1 is schematic diagram of the embodiment of the present invention；
Fig. 2 is decomposition diagram of the embodiment of the present invention；
Fig. 3 is air intake assembly embodiment schematic diagram in the present invention；
Fig. 4 is housing embodiments schematic diagram in the present invention；
Fig. 5 is burner embodiment schematic diagram one in the present invention；
Fig. 6 is burner embodiment schematic diagram two in the present invention.
Specific embodiment
This part will be described in specific embodiments of the present invention, and the preferred embodiments of the invention is shown in the accompanying drawings, attached
The effect of figure be with figure remark additionally book word segment description, enable a person to intuitively, visually understand of the invention
Each technical characteristic and overall technical architecture, but it should not be understood as limiting the scope of the invention.
In the description of the present invention, it is to be understood that, be related to orientation description, for example, above and below, front, rear, left and right etc.
The orientation or positional relationship of instruction 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 letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.
In the description of the present invention, several to be meant that one or more, it is multiple to be meant that two or more, be greater than,
Be less than, more than etc. be interpreted as not including this number, it is above, following, within etc. be interpreted as including this number.If there is being described to first,
Second is only intended to for the purpose of distinguishing technical characteristic, is not understood to indicate or imply relative importance or implicitly indicates institute
The quantity of the technical characteristic of instruction or the precedence relationship for implicitly indicating indicated technical characteristic.
In description of the invention, unless otherwise restricted clearly, the words such as setting, installation, connection be shall be understood in a broad sense, institute
Above-mentioned word in the present invention specific can rationally be determined with the particular content of combination technology scheme by belonging to technical field technical staff
Meaning.
- Fig. 6 referring to Fig.1, a kind of fully-premixed water heater, comprising:
Shell 1；
Air intake assembly, air intake assembly include shell 2 and air blower 3, and shell 2 and air blower 3 are mounted on 1 internal upper part of shell,
Shell 2 includes the first mixing chamber 4 and the second mixing chamber 5, has the first entrance 6 entered for combustion gas on the first mixing chamber 4, for sky
The second entrance 7 that gas enters；The output end of first mixing chamber 4 is connected to the input terminal of the second mixing chamber 5, the first mixing chamber 4 with
Second mixing chamber, 5 connectivity part is arranged in angle；
Burner 8 is mounted in shell 1, and burner 8 has air inlet and fire end, and air inlet is located relatively at fire end
Top, air inlet is connected to the output end of the second mixing chamber 5；
Combustion chamber 9 is mounted in shell 1, is located at 8 lower section of burner, is docked with the fire end of burner 8, combustion chamber
Have in room 9 and accommodates the space that burner 8 generates flame；
Preheating device is arranged in shell 1, and preheating device includes preheating chamber 10, passes through inside preheating chamber 10 several
Second partition 11 is divided into several second channels, and second channel one end is connect with 9 output end of combustion chamber, second channel it is another
End is connect with an exhaust pipe 12, and heat exchanging pipe 13 runs through preheating chamber 10；
Heat exchanging pipe 13 carries out heat exchange with preheating chamber 10 and combustion chamber 9.
Combustion gas and air are sufficiently mixed by the water heater of above structure by air intake assembly, and detailed process is as follows, combustion
Gas and air carry out obtaining mixed gas after tentatively mixing after entering the first mixing chamber 4, and mixed gas is in laminar flow at this time
State, mixed mixed gas are turned to when entering in the second mixing chamber, and mixed gas is at this time by laminar flow shape
State becomes turbulent condition, so that air and combustion gas are adequately mixed, helps to reduce detonation and the phenomenon for burning bad hair
It is raw；Mixed gas after mixing, which enters in burner 8, burns, and the flame for generation of burning is located in combustion chamber 9,
Water in the high-temperature gas exchange pipe line 13 of generation is heated, and the tail gas after burning enters in preheating chamber 10, tail gas
The water that can exchange in pipe line 13 of heat preheated, the water after preheating is further heated using combustion chamber 9；
It should be noted that the flame generated in above-mentioned technical proposal is from top to bottom, to accelerate the stream of mixed gas by air blower 3
It is dynamic, and then maintain flame downward, it can so prevent to cause internal part to be corroded because of condensate return, flue gas can also be reduced
Flow velocity increases the time that combustion product gases are contacted with heat exchanging pipe 13, promotes heat transfer rate.Wherein, heat exchanging pipe 13 runs through preheating cavity
Room 10, heat exchanging pipe 13 are wound after coming out from preheating chamber 10 from the top in the outside of combustion chamber 9 down, and heat exchanging pipe 13 is wound
Heat exchanging pipe 13 runs through combustion chamber 9 when to the lower part of combustion chamber 9, and heat exchanging pipe 13 runs through after coming out from combustion chamber 9
It enters in burner 8；Up to best heat transfer effect.
Wherein it is possible to whether what is understood is that preheating device can according to need selection installation, it can when considering from manufacturing cost
Preheating device is not installed with selection, cost can be saved.
It as Figure 3-Figure 4, in some embodiments, is in Venturi tube shape, first entrance 6 inside the first mixing chamber 4
On the side wall of the converging transition of the first mixing chamber 4, second entrance 7 is located at the end of the converging transition of the first mixing chamber 4, and second enters
Mouth 7 is connect with air blower 3.In above embodiment, the process that the flowing of gas accelerates there are one in Venturi tube can be incited somebody to action
Combustion gas is quickly drawn into mixed gas, can reduce mixed gas because the phenomenon that transition is gathered occurs slowly excessively in flow velocity, to subtract
The probability that few detonation occurs.In addition, being blown into air from 7 high speed of second entrance by air blower 3, and then accelerate mixed gas
Flowing, avoids being tempered too deep.
As shown in figure 3, in some embodiments, the second mixing chamber 5 is L-shaped, the second mixing chamber 5 includes a vertical section 14
With traversing section 15,14 side wall upper part of vertical section is connected to the output end of the first mixing chamber 4,14 lower end of vertical section and traversing section 15 1
End connection；Mixed gas is introduced into vertical section 14 when entering the second mixing chamber 5, mixed gas generates turbulent flow, mixing at this time
More uniformly, when mixed gas enters traversing section 15 from vertical section 14, since cross section becomes larger, the speed of mixed gas drops
It is low, facilitate mixed gas and be uniformly filled into traversing section 15, while facilitating flame stabilization when igniting.Wherein, vertical section 14
In a rectangular parallelepiped shape, traversing section 15 is in class rectangular-shape, and 15 upper surface of traversing section is set as inclined surface 16；On the lower end surface of traversing section 15
It is provided with several first through hole 22；The setting of traversing section 15 can slowly reduce mixed gas flow velocity, be conducive to mixed gas
Uniformly it is filled into traversing section 15.
It is understood that other connection type can also be used between vertical section and traversing section 15, such as vertical section can
It is connect with selection with the middle part of 15 upper surface of traversing section, what mixed gas can be more uniform at this time is filled into traversing section 15.
As shown in figure 4, in some embodiments, 22 aperture of first through hole is 1mm, between adjacent first through hole 22 in
For the heart away from for 1.5mm, the first through hole 22 of above-mentioned size increases exit resistance, reduces mixed gas flow velocity, makes air and flammable
Gas has more sufficient incorporation time each other；Multi-way outlet is changed into single outlet in the prior art, avoids gaseous mixture
Body concentrates Mr. Yu's point to pass through, and effectively reduces detonation and bad situation of burning, meanwhile, multiple spot crosses gas, burning area can be enabled to increase
Add, improves combustion stability.It is understandable that the above-mentioned preferred size having a size of first through hole 22, not necessarily to use upper
Stating size can be only achieved above-mentioned purpose；By test, 22 diameter of first through hole is 0.9mm-1.1mm, adjacent first through hole 22
Between center away from for 1.5mm-2mm when, all can achieve above-mentioned purpose.
As shown in Fig. 5-Fig. 6, in some embodiments, burner 8 includes ontology 17, is had on ontology 17 several for mixed
The first passage 18 that gas passes through is closed, heat exchanging pipe 13 runs through first passage 18, heat exchanging pipe in the side-walls of first passage 18
13 run through all first passages 18.Above embodiment in first passage 18 by being arranged 13 pairs of perforative heat exchanging pipe mixing
Gas and ontology 17 cool down, and facilitate the generation for reducing the pernicious gases such as nitrogen oxides, meanwhile, facilitate under low-temperature condition
Extend the service life of ontology 17, reduce oxygenation efficiency, can also reduce the flame propagation velocity of mixed gas, so can avoid because
Annealed strip burns ontology 17, and at the same time, heat in burner 8 can be absorbed in heat exchanging pipe 13, to promote complete machine thermal effect
Rate.It is understood that heat exchanging pipe 13 is only needed through at least one first passage 18 to play reduction mixed gas
With the effect of 17 temperature of ontology, have to so not limiting to through all first passages 18, when running through all first passages 18
Cooling effect is best.
In the prior art, ontology 17 is generally made of multiple combustion gas injectors, and the combustion gas injector of this type is not applicable
In fully premixed combustion device 8, it is easy to produce deflagration phenomenon.For this purpose, as described in Figure, in some embodiments, being set on ontology 17
It is equipped with one second through-hole, multiple first partitions 19 are provided in the second through-hole, if the second through-hole is divided by first partition 19
Dry first passage 18；Heat exchanging pipe 13 runs through the side wall and first partition 19 of the second through-hole；Second through-hole is in a rectangular parallelepiped shape, several
First partition 19 is set in parallel, and first partition 19 is parallel with a pair of sidewalls of the second through-hole.Above embodiment passes through first
Second through-hole is divided into first passage 18 by partition 19, is passed through by first passage 18 for mixed gas, the tail of first passage 18
End is fire end, and the head end of first passage 18 is air inlet；Mixed gas is lighted in fire end and is burnt, it is seen that first is logical
The entire end face of the tail end in road 18 is combustion zone, i.e. mixed gas by after first passage 18, the single surface Yu Benti 17 into
Row igniting will form " in flakes " formula flame because each outlet point position is very close after lighting a fire successfully, which helps to improve
Combustion gas completely burned rate is reduced because imperfect combustion state occurs in combustion gas of not igniting, to reach energy-saving effect.
It is understood that the second through-hole can also be other shapes, such as cylindrical or class cuboid etc., not
It is confined to rectangular-shape；First partition 19 is not necessarily to be parallel to each other, and is formed and is appointed between first partition 19 and first partition 19
Meaning angle, as long as the purpose, etc. for being split the second through-hole can be played.
It as described in Figure 5, in some embodiments, include several straightways 20 positioned at the heat exchanging pipe of burner region 13
With several arc segments 21, straightway 20 runs through the side wall of the second through-hole, and arc segment is for connecting several straightways 20.So may be used
To extend length of the heat exchanging pipe 13 in the second through-hole, the heat exchanger time between heat exchanging pipe 13 and ontology 17 is improved, with
Just more heats are siphoned away, specific heat exchanger time can be adjusted by the quantity of arc segment according to actual needs, above-mentioned
Arc segment and the preferably split type setting of straightway 20, are conducive to production and later period assembling, certainly, entire heat exchanging pipe 13 is also in structure
It can be integrally formed manufacture, to reduce leakage point.
As described in Figure 6, in some embodiments, for first partition 19 with a thickness of 0.25mm-0.35mm, first passage 18 is wide
Degree is 1.1mm-1.3mm.Preferably, first partition 19 is with a thickness of 0.3mm, and 18 width of first passage is 1.2mm, above-mentioned size
First partition 19 can suitably reduce the flow velocity of mixed gas, and mixed gas can be evenly distributed to each first passage 18
It is interior, mixed gas pressure itself is effectively reduced, and then reduce flame height, reduces bad tail gas product such as carbon monoxide after burning
And the generation of nitrogen oxides.
As described in Figure 5, in some embodiments, near distance in place of 18 gas outlet of first passage on heat exchanging pipe 13
The gas outlet end face of first passage 18 is 7mm-8mm, near 18 place distance first of first passage preferably on heat exchanging pipe 13
The gas outlet end face in channel 18 is 7mm, and such heat exchanging pipe 13 can absorb heat as far as possible in the case where not influencing flame
Amount is optimum distance.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to the above embodiments, In
The technical field those of ordinary skill within the scope of knowledge, can also make without departing from the purpose of the present invention
Various change out.
Claims (10)
1. a kind of fully-premixed water heater, characterized by comprising:
Shell；
Air intake assembly, the air intake assembly include shell and air blower, and the shell and air blower are mounted on shell internal upper part, institute
Stating shell includes the first mixing chamber and the second mixing chamber, has the first entrance entered for combustion gas on the first mixing chamber, for air
The second entrance of entrance；The output end of first mixing chamber is connected to the input terminal of second mixing chamber,
First mixing chamber and the second mixing chamber connectivity part are arranged in angle；
Burner is mounted in the shell, and the burner has air inlet and fire end, and the air inlet is located relatively at institute
The top of fire end is stated, the air inlet is connected to the output end of second mixing chamber；
Combustion chamber is mounted in the shell, is located at below the burner, is docked with the fire end of the burner, institute
It states in combustion chamber to have and accommodates the space that the burner generates flame；
Heat exchanging pipe carries out heat exchange with the combustion chamber.
2. a kind of fully-premixed water heater as described in claim 1, it is characterised in that memorial mound inside first mixing chamber
In tubulose, the first entrance is located on the side wall of the converging transition of first mixing chamber, and the second entrance is located at described the
The end of the converging transition of one mixing chamber, the second entrance are connect with the air blower.
3. a kind of fully-premixed water heater as described in claim 1, it is characterised in that second mixing chamber is L-shaped, described
Second mixing chamber includes a vertical section and traversing section, the output end company of the vertical section side wall upper part and first mixing chamber
Logical, the vertical section lower end is connected to described traversing section one end；In a rectangular parallelepiped shape, the traversing section is rectangular in class for the vertical section
Body shape, the traversing section upper surface are set as inclined surface；Several first through hole are provided on the lower end surface of the traversing section.
4. a kind of fully-premixed water heater as claimed in claim 3, it is characterised in that the first through hole aperture is 0.9mm-
1.1mm, center between the adjacent first through hole is away from for 1.5mm-2mm.
5. a kind of fully-premixed water heater as described in claim 1, it is characterised in that the burner includes ontology, and described
There are several first passages passed through for mixed gas, the heat exchanging pipe runs through institute in the side-walls of the first passage on body
First passage is stated, the heat exchanging pipe runs through at least one first passage.
6. a kind of fully-premixed water heater as claimed in claim 5, it is characterised in that it is logical to be provided with one second on the ontology
Hole is provided with an at least first partition in second through-hole, and second through-hole is divided into several by the first partition
The first passage.
7. a kind of fully-premixed water heater as claimed in claim 6, it is characterised in that second through-hole in a rectangular parallelepiped shape, if
It does the first partition to be set in parallel, the first partition is parallel with a pair of sidewalls of second through-hole.
8. a kind of fully-premixed water heater as claimed in claim 6, it is characterised in that positioned at the heat exchange of burner region
Pipeline includes several straightways and several arc segments, and the straightway runs through the side wall of second through-hole, and the arc segment is used
It connects in by several straightways.
9. a kind of fully-premixed water heater as claimed in claim 6, it is characterised in that the first partition is with a thickness of 0.25mm-
0.35mm, the first passage width are 1.1mm-1.3mm；On the heat exchanging pipe near the first passage gas outlet it
Gas outlet end face of the place apart from the first passage is 7mm-8mm.
10. a kind of fully-premixed water heater as described in claim 1, it is characterised in that be additionally provided with pre- hot charging in the shell
It sets, the preheating device includes preheating chamber, is divided into several second to lead to by several second partitions inside the preheating chamber
Road, described second channel one end are connect with combustion chamber output end, and the other end of the second channel is connect with an exhaust pipe, institute
Heat exchanging pipe is stated through the preheating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845950.7A CN110530010B (en) | 2019-09-09 | 2019-09-09 | Full premix type water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845950.7A CN110530010B (en) | 2019-09-09 | 2019-09-09 | Full premix type water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110530010A true CN110530010A (en) | 2019-12-03 |
| CN110530010B CN110530010B (en) | 2024-02-09 |
Family
ID=68667740
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910845950.7A Active CN110530010B (en) | 2019-09-09 | 2019-09-09 | Full premix type water heater |
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| CN (1) | CN110530010B (en) |
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| JPH07217989A (en) * | 1994-01-26 | 1995-08-18 | Rinnai Corp | Heat exchanger |
| CN1497211A (en) * | 2002-10-22 | 2004-05-19 | 株式会社庆东Boiler | Gas burner capable of multilevel controlled |
| CN104937341A (en) * | 2013-01-18 | 2015-09-23 | 庆东纳碧安株式会社 | Combustion apparatus having air intake preheater |
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