CN109695955A - Gas heater - Google Patents
Gas heater Download PDFInfo
- Publication number
- CN109695955A CN109695955A CN201711005587.5A CN201711005587A CN109695955A CN 109695955 A CN109695955 A CN 109695955A CN 201711005587 A CN201711005587 A CN 201711005587A CN 109695955 A CN109695955 A CN 109695955A
- Authority
- CN
- China
- Prior art keywords
- gas
- heat exchanger
- gas heater
- heat
- catalytic burner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
- F24H1/12—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 in which the water is kept separate from the heating medium
- F24H1/14—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- 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
- F23D14/12—Radiant burners
- F23D14/18—Radiant burners using catalysis for flameless combustion
-
- 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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- 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
-
- 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The present invention discloses a kind of gas heater, is provided with cold water inlet and hot water outlet pipe, and the gas heater includes: shell, and inside forms combustion chamber；Catalytic burner is mounted in the combustion chamber；Preheated burning device is mounted in the combustion chamber and for heating the catalytic burner；Blower and pre-mixing apparatus, the pre-mixing apparatus are provided with gas inlet, combustion-supporting gas air inlet and mixed gas gas outlet, and the air inlet of the blower is connected to the mixed gas gas outlet of the pre-mixing apparatus, and the air outlet of the blower is connected to the combustion chamber；Heat exchanger, one end of heat exchanger is connected to the cold water inlet, the other end is connected to the hot water outlet pipe, and the heat exchanger is used to absorb the heat that the preheated burning device burning and catalytic burner burning generate and the heat of absorption is carried out heat with the water inside heat exchanger and exchanges.Gas heater of the present invention it is compact-sized, and can sufficiently improve energy utilization rate and reduce harmful substance discharge.
Description
Technical field
The present invention relates to combustion heat-exchange technical field, in particular to a kind of gas heater.
Background technique
Currently, the combustion system that traditional gas heater mainly uses is flaming combustion, i.e. fuel and oxygen or air
The Fast exothermic of progress and the oxidation reaction for shining and occurring in the form of flame.This combustion system not only incomplete combustion,
Heat exchange efficiency is low, energy utilization rate is not high, and the pollutant generated in combustion process is more, and haze weather is caused to take place frequently
One of the main reasons.
Summary of the invention
The main object of the present invention is to propose a kind of gas heater, it is intended to solve the gas heater energy in the prior art
The technical issues of utilization rate is low and harmful substance easily generated.
To achieve the above object, a kind of gas heater proposed by the present invention, is provided with cold water inlet and hot water effluent
Pipe, the gas heater include:
Shell, inside form combustion chamber；
Catalytic burner is mounted in the combustion chamber；
Preheated burning device is mounted in the combustion chamber and for heating the catalytic burner；
Blower and pre-mixing apparatus, the pre-mixing apparatus are provided with gas inlet, combustion-supporting gas air inlet and mixed gas
Gas outlet, the air inlet of the blower are connected to the mixed gas gas outlet of the pre-mixing apparatus, the air outlet connection of the blower
The combustion chamber；
Heat exchanger, one end of heat exchanger are connected to the cold water inlet, and the other end is connected to the hot water outlet pipe, described to change
Hot device be used to absorb the heat that preheated burning device burning and catalytic burner burning generate and by the heat of absorption and
Water inside heat exchanger carries out heat exchange.
Preferably, the gas heater further includes collector mat, and the collector mat is arranged in open at one end and is mounted on institute
State in combustion chamber, the collector mat be located on the flow path for the thermal current that preheated burning device burning generates and it is described it is open towards
The preheated burning device, the catalytic burner are located in the collector mat.
Preferably, the shell includes ontology and heat collecting cylinder, and the cross-sectional area of the ontology is greater than the cross of the heat collecting cylinder
Sectional area, the collector mat are located in the ontology, and the preheated burning device is located in the heat collecting cylinder；The heat collecting cylinder and institute
State ontology connection.
Preferably, the bottom wall of the ontology is equipped with opening, and the shell further includes from the open edge to described
The reinforced wall extended to form in vivo, one end of the heat collecting cylinder pass through the opening and extend in the collector mat, and described
Heat collecting cylinder side wall and the reinforced wall are tightly connected.
Preferably, the shell further includes the thermal insulation layer for being set to the inner body wall.
Preferably, the roof of the collector mat has the guide face towards the catalytic burner.
Preferably, the gas heater further includes temperature sensor and the control that is electrically connected with the temperature sensor
Device, the temperature sensor are used to detect the temperature of the catalytic burner, and the controller is used in the gas heater
When starting, the preheated burning device burning is controlled to heat the catalytic burner, and reach in the temperature of the catalytic burner
The preheated burning device is controlled when more than to catalysis initiation temperature to extinguish.
Preferably, the pre-mixing apparatus is venturi gas mixing device.
Preferably, the quantity of the heat exchanger is two, respectively First Heat Exchanger and is connected to the First Heat Exchanger
The second heat exchanger, the First Heat Exchanger be finned heat exchanger, second heat exchanger be coil exchanger and ring it is embedding
In on the side wall of the shell, the cold water inlet is connected to second heat exchanger, hot water outlet pipe's connection described the
One heat exchanger.
Preferably, the blower is explosion-proof fan.
Gas heater of the present invention by being arranged catalytic burner in the combustion chamber, first with what is carried out on preheated burning device
Flaming combustion, when the temperature of catalytic burner reaches preset catalysis initiation temperature or more, the mixed gas of air and combustion gas
Catalysis burning of controlling oneself can occur on catalytic burner, because of the catalytic action of catalyst, combustion gas is at a lower temperature
It burns on catalytic burner, and combustion gas is discharged close to completely burned almost without CO.Due to the cigarette after catalysis burning
Temperature degree it is lower than the temperature of flaming combustion and burning relatively safety, it can be achieved that nitrogen oxides low emission.Therefore, with flaming combustion
It compares, catalysis burning is a kind of relative efficiency, clean combustion system, is replaced with relative efficiency, clean catalysis burning traditional
Flaming combustion, can effectively improve energy utilization rate and reduce harmful substance discharge.Meanwhile institute in gas heater of the present invention
Air and combustion gas are stirred by the blade of blower again after first passing through pre-mixing apparatus mixing, keep air and combustion gas mixing more equal
It is even, the burning velocity of combustion gas is accelerated, the discharge of harmful substance is further reduced, improves energy utilization rate, and blower
The small volume occupied with pre-mixing apparatus, so that gas heater is compact-sized.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the stereoscopic schematic diagram of one embodiment of gas heater of the present invention；
Fig. 2 is the schematic diagram of internal structure of Fig. 1；
Fig. 3 is the schematic front view of Fig. 1；
Fig. 4 is the local main cross-sectional schematic diagram of Fig. 1；
Fig. 5 is the partial side schematic cross-sectional view of Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title | Label | Title |
| 1 | Cold water inlet | 2 | Hot water outlet pipe | 3 | Shell |
| 30 | Combustion chamber | 31 | Ontology | 32 | Heat collecting cylinder |
| 33 | Reinforced wall | 34 | Smoke exhaust pipe | 4 | Catalytic burner |
| 5 | Preheated burning device | 51 | Igniter | 6 | Blower |
| 7 | Pre-mixing apparatus | 8 | First Heat Exchanger | 9 | Second heat exchanger |
| 10 | Collector mat | 11 | Fire observation window | 111 | Pressing plate |
| 12 | Gas inlet pipeline | 121 | Gas inlet valve | 13 | Combustion-supporting gas air inlet pipeline |
| 100 | Temperature sensor | 200 | Controller |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of gas heater.
In embodiments of the present invention, as shown in Figures 1 to 4, which is provided with cold water inlet 1 and hot water goes out
Water pipe 2, gas heater include:
Shell 3, inside form combustion chamber 30；
Catalytic burner 4 is mounted in combustion chamber 30；
Preheated burning device 5 is mounted in combustion chamber 30 and for heatable catalytic burner 4；
Blower 6 and pre-mixing apparatus 7, pre-mixing apparatus 7 are provided with gas inlet, combustion-supporting gas air inlet and mixed gas and go out
Port, the mixed gas gas outlet of the air inlet connection pre-mixing apparatus 7 of blower 6, the air outlet of blower 6 are connected to combustion chamber 30；
Heat exchanger, one end of heat exchanger are connected to cold water inlet 1, and the other end is connected to hot water outlet pipe 2, and heat exchanger is for inhaling
Receive preheated burning device 5 burning and catalytic burner 4 burning generation heat and by the water inside the heat and heat exchanger of absorption into
The exchange of row heat.
In the present embodiment, smoke outlet is offered on shell 3, and the gas heater is provided with and connects with smoke outlet
Smoke exhaust pipe 34.
Catalytic burner 4 generally comprises the catalyst of catalyst carrier and setting on a catalyst support, and catalyst is logical
Often with there is a fixed catalysis initiation temperature, i.e., after the temperature of catalytic burner 4 itself reaches catalysis initiation temperature, flow through its
Combustion gas will carry out flameless combustion with the oxygen in air under the action of catalyst to discharge heat.In order to increase the attached of catalyst
Area, and then increase catalytic action space, catalyst carrier generally uses heat-resisting honeycomb structure.
Preheated burning device 5 is for heating catalytic burner 4.Preheated burning device 5 can be used and be can effectively prevent
The honeycomb structure being tempered in combustion process, for example, gas heater further include igniter 51, and igniter 51 is used for
The combustion gas of the injection from preheated burning device 5 is lighted.
The combustion-supporting gas that the present embodiment gas heater uses is air.As shown in Fig. 1 to Fig. 3, Fig. 5, combustion gas passes through combustion
Gas air inlet enters pre-mixing apparatus 7, and air enters pre-mixing apparatus 7, air and combustion gas by combustion-supporting gas air inlet and loading in mixture in advance
It sets and forms mixed gas after mixing in 7 and flowed out from mixed gas gas outlet, then blower is entered by the air inlet of blower 6
Inside 6, mixed gas enters combustion chamber 30 by the air outlet that blade passes through blower 6 after mixing evenly in blower 6.This implementation
The prior art can be used in the blower 6 of example, and this will not be detailed here.The volume that the blower 6 and pre-mixing apparatus 7 of the present embodiment occupy compared with
It is small, so that gas heater is compact-sized.
The cold water inlet 1 of the present embodiment is used to introduce cold water externally to gas heater, and cold water is sent into and is exchanged heat
Device, heat exchanger absorb the burning of preheated burning device 5 and cold water are heated into hot water with after the heat of the burning generation of catalytic burner 4, heat
Water draws gas heater by hot water outlet pipe 2.
Gas heater of the present invention is enterprising first with preheated burning device 5 by the way that catalytic burner 4 is arranged in combustion chamber 30
Capable flaming combustion, when the temperature of catalytic burner 4 reaches preset catalysis initiation temperature or more, the mixing of air and combustion gas
Catalysis burning of controlling oneself can occur on catalytic burner 4 for gas, because of the catalytic action of catalyst, combustion gas is at a lower temperature
It can burn on catalytic burner 4, and combustion gas is discharged close to completely burned almost without CO.Since catalysis is burnt
Flue-gas temperature afterwards it is lower than the temperature of flaming combustion and burning relatively safety, it can be achieved that nitrogen oxides low emission.Therefore, with have
Flame burning is compared, and catalysis burning is a kind of relative efficiency, clean combustion system, with relative efficiency, clean catalysis burning generation
For traditional flaming combustion, energy utilization rate can be effectively improved and reduce the discharge of harmful substance.Meanwhile gas and hot water of the present invention
Air used in device and combustion gas are first passed through after pre-mixing apparatus 7 mixes and are stirred again by the blade of blower 6, keep air and combustion gas mixed
It closes more uniformly, accelerates the burning velocity of combustion gas, further reduce the discharge of harmful substance, improve energy utilization rate,
And the small volume that blower 6 and pre-mixing apparatus 7 occupy, so that gas heater is compact-sized.
Further, the gas heater of the present embodiment further includes collector mat 10, and collector mat 10 is arranged simultaneously in open at one end
It is mounted in combustion chamber 30, collector mat 10 is located on the flow path for the thermal current that the burning of preheated burning device 5 generates, and collector mat 10
Opening towards preheated burning device 5, catalytic burner 4 is located in collector mat 10.When preheated burning device 5 is burnt, combustion
Burn release thermal current collector mat 10 enclose resistance under concentrate and catalytic burner 4 is heated, do not reached in catalytic burner 4
To before catalytic temperature, under the reflex of 10 inner wall of collector mat, heat radiation, which can be concentrated preferably, acts on catalysis burning
Device 4, and then accelerate heating speed；The heating surface (area) (HS to catalytic burner 4 is increased as a result, is improved to catalytic burner 4
Heating efficiency.
In order to more intuitively understand the combustion position of catalytic burner 4, gas heater shown in fig. 1 further includes out
Fire observation window 11 on collector mat 10 and shell 3, to facilitate user to observe the combustion process of catalytic burner 4；It is understood that
, the position of fire observation window 11 is corresponding with the position of catalytic burner 4.In practical applications, the window of fire observation window 11 is also set up
There is transparent pressing plate 111.
As shown in Figures 1 to 4, in the present embodiment, shell 3 includes ontology 31 and heat collecting cylinder 32, the cross-sectional area of ontology 31
Greater than the cross-sectional area of heat collecting cylinder 32, collector mat 10 is located in ontology 31, and preheated burning device 5 is located in heat collecting cylinder 32；Heat collecting cylinder
32 one end are connected to ontology 31, and the other end is connected to the air outlet of blower 6.
In the present embodiment, heat collecting cylinder 32 is used to concentrate the thermal current that the burning of preheated burning device 5 generates in the same direction
Guidance improves the heating efficiency to catalytic burner 4 so that thermal current enters as far as possible in collector mat 10；It should be noted that collection
The cross-sectional area of hot cylinder 32 be less than ontology 31 cross-sectional area, can make be located at heat collecting cylinder 32 in preheated burning device 5 increase with
The contact area of mixed gas, the heat that mixed gas can be made to carry out burning generation in burning are more concentrated.
Further, ontology 31 is box shaped, and the bottom wall of ontology 31 is equipped with opening (not shown), and shell 3 further includes opening certainly
The reinforced wall 33 that mouth edge is extended to form into ontology 31, one end of heat collecting cylinder 32, which passes through, to be open and extends in collector mat 10,
And 32 side wall of heat collecting cylinder and reinforced wall 33 are tightly connected.For fixing and supporting heat collecting cylinder 32, reinforced wall 33 is set reinforced wall 33
The installation for setting the opening for making heat collecting cylinder 32 in ontology 31 is more firm, while it is strong in the structure of opening to also enhance ontology 31
Degree.
The other end of heat collecting cylinder 32 can expose to ontology 31, make to have between preheated burning device 5 and catalytic burner 4 it is default between
Away to prevent the flame on the directly contact preheated burning device 5 of catalytic burner 4.Extend to the heat collecting cylinder 32 in collector mat 10
On the one hand can burn preheated burning device 5 thermal current generated all guiding catalytic burners 4, improve to catalytic burner 4
Heating efficiency；On the other hand, when catalytic burner 4 carries out flameless combustion, mixed gas is also to be oriented to simultaneously via heat collecting cylinder 32
Flow through catalytic burner 4, as a result, heat collecting cylinder 32 concentration guiding with collector mat 10 enclose resistance effect under, increase combustion gas with
The contact area of catalytic burner 4, to keep burning of the combustion gas on catalytic burner 4 more abundant.In addition, collector mat 10 makes
The heat that burning generates, which must be catalyzed, concentrates return to flow through around catalytic burner 4, for maintaining catalysis burning on catalytic burner 4
Play the role of positive.
Further, shell 3 further includes the thermal insulation layer (not shown) for being set to 31 inner wall of ontology.In the present embodiment, may be used
The setting of thermal insulation layer is realized by pasting heat insulation foam in the inner wall of ontology 31 or coating heat insulating coating, and thermal insulation layer can reduce shell
The temperature on 3 surfaces and the loss for effectively reducing heat.
In the present embodiment, the roof of collector mat 10 has the guide face towards catalytic burner 4.The water conservancy diversion of roof towards
Under, the thermal current that the burning of catalytic burner 4 generates flows up, and the setting of guide face can carry out the thermal current for flowing to roof
The commutation guiding more mitigated, allows thermal current more swimmingly to flow out collector mat along the roof and side wall of collector mat 10
10.In practical applications, the roof of collector mat 10 can be set as the arc-shaped of water conservancy diversion downwards, and the roof of arc-shaped helps to make heat
Air-flow forms convection current, to reach preferably guiding commutation effect.
In the present embodiment, gas heater further includes temperature sensor 100 and controller 200, and controller 200 and temperature pass
Sensor 100 is electrically connected.Temperature sensor 100 is used to detect the temperature of the catalytic burner 4, and controller 200 is used in combustion gas
When water heater starts, the control burning of preheated burning device 5 is reached in the temperature of catalytic burner 4 and is urged with heatable catalytic burner 4
Control preheated burning device 5 extinguishes when changing initiation temperature or more.Specifically, reach catalysis ignition temperature in the temperature of catalytic burner 4
Spend or more when, controller 200 controls the air inlet that blower 6 increases the mixed gas formed after air and combustion gas mixing in the unit time
It measures so that preheated burning device 5 extinguishes, i.e., controller 200 reaches preheated burning device 5 by controlling the intake velocity of mixed gas
De- firewire speed, can be such that the flame on preheated burning device 5 quickly extinguishes, and then switch to by the catalysis of catalytic burner 4
Burning.
In the present embodiment, pre-mixing apparatus 7 is venturi gas mixing device, and gas heater has gas inlet pipeline 12 and helps
The gas inlet of combustion gas body air inlet pipeline 13, venturi gas mixing device is connected to the gas outlet of gas inlet pipeline 12, literary mound
In the combustion-supporting gas air inlet of gas mixing device be connected to the gas outlet of combustion-supporting gas air inlet pipeline 13.The gas and hot water of the present embodiment
Device further include for control gas inlet pipeline 12 to venturi gas mixing device be sent into combustion gas gas inlet valve 121, combustion gas into
The prior art can be used in air valve 121, and this will not be detailed here.
Venturi gas mixing device can use the prior art, and venturi gas mixing device is first to shrink the pipe being then gradually expanded
Road offers adsorbent chamber in pipeline exit；After being compressed by the air-flow of venturi gas mixing device from the coarse to fine, flow velocity becomes
Greatly, Venturi effect is generated, i.e., can generate low pressure near swiftly flowing fluid, to generate suction-operated, causes surrounding
Gas is inhaled into pipeline by adsorbent chamber.Combustion gas enters venturi from gas inlet by gas inlet pipeline 12 and mixes gas dress
In the mixing chamber set, air enters venturi gas mixing device from combustion-supporting gas air inlet by combustion-supporting gas air inlet pipeline 13
In mixing chamber.It, can be using air as gas compressed, using combustion gas as quilt by the Venturi effect of venturi gas mixing device
The gas of absorption is realized air with combustion gas and is adequately mixed, to keep burning more abundant.
In the present embodiment, the quantity of heat exchanger is two, respectively First Heat Exchanger 8 and is connected to First Heat Exchanger 8
Second heat exchanger 9, First Heat Exchanger 8 are finned heat exchanger, and the second heat exchanger 9 is coil exchanger and setting is changed first
The periphery of hot device 8, cold water inlet 1 are connected to the second heat exchanger 9, and hot water outlet pipe 2 is connected to First Heat Exchanger 8.That is the present embodiment
The water inlet end of the second heat exchanger 9 be connected to cold water inlet 1, the water outlet of the second heat exchanger 9 and the water inlet of First Heat Exchanger 8
End connection, the water outlet of First Heat Exchanger 8 is connected to hot water outlet pipe 2.Cold water enters the second heat exchanger by cold water inlet 1
9 carry out first time heat exchange, then enter First Heat Exchanger 8 from the second heat exchanger 9 and carry out second of heat exchange, finally from hot water outlet pipe
2 outflows.By setting First Heat Exchanger 8 and the second heat exchanger 9, water is heated twice, improves the utilization rate of heat
With the heating efficiency to water.
Further, 9 ring of the second heat exchanger of the present embodiment is on the side wall of shell 3, it is preferable that the second heat exchanger 9
Ring is on the side wall of ontology 31.In the present embodiment, the side wall of the second heat exchanger 9 and ontology 31 can be wholely set, by second
On the one hand 9 ring of heat exchanger is exchanged heat more heat transfers to second using the inner wall of ontology 31 on the side wall of ontology 31
On the other hand device 9 effectively saves the installation space of the second heat exchanger 9, meanwhile, keep the intensity of ontology 31 higher and reduces life
Produce processing cost.
The blower 6 of the present embodiment can use explosion-proof fan in the prior art, and the structure design of explosion-proof fan is more closed
Reason, has the advantages that performance is good and noise is low.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention
Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. a kind of gas heater, is provided with cold water inlet and hot water outlet pipe, which is characterized in that the gas heater packet
It includes:
Shell, inside form combustion chamber；
Catalytic burner is mounted in the combustion chamber；
Preheated burning device is mounted in the combustion chamber and for heating the catalytic burner；
Blower and pre-mixing apparatus, the pre-mixing apparatus are provided with gas inlet, combustion-supporting gas air inlet and mixed gas outlet
Mouthful, the air inlet of the blower is connected to the mixed gas gas outlet of the pre-mixing apparatus, described in the air outlet connection of the blower
Combustion chamber；
Heat exchanger, one end of heat exchanger are connected to the cold water inlet, and the other end is connected to the hot water outlet pipe, the heat exchanger
For absorbing the heat of preheated burning device burning and catalytic burner burning generation and by the heat of absorption and heat exchange
Water inside device carries out heat exchange.
2. gas heater as described in claim 1, which is characterized in that the gas heater further includes collector mat, described
Collector mat is arranged and is mounted in the combustion chamber in open at one end, and the collector mat is located at preheated burning device burning and generates
Thermal current flow path on and it is described opening towards the preheated burning device, the catalytic burner is located in the collector mat
It is interior.
3. gas heater as claimed in claim 2, which is characterized in that the shell includes ontology and heat collecting cylinder, and described
The cross-sectional area of body is greater than the cross-sectional area of the heat collecting cylinder, and the collector mat is located in the ontology, the preheated burning device
In the heat collecting cylinder；The heat collecting cylinder is connected to the ontology.
4. gas heater as claimed in claim 3, which is characterized in that the bottom wall of the ontology is equipped with opening, the shell
Body further includes the reinforced wall extended to form from the open edge into the ontology, and one end of the heat collecting cylinder passes through described open
Mouth simultaneously extends in the collector mat, and the heat collecting cylinder side wall and the reinforced wall are tightly connected.
5. gas heater as claimed in claim 3, which is characterized in that the shell further includes being set to the inner body wall
Thermal insulation layer.
6. gas heater as claimed in claim 2, which is characterized in that the roof of the collector mat has towards the catalysis
The guide face of burner.
7. such as gas heater of any of claims 1-6, which is characterized in that the gas heater further includes temperature
Degree sensor and the controller being electrically connected with the temperature sensor, the temperature sensor is for detecting the catalytic burner
Temperature, the controller is used to that it is described to heat to control preheated burning device burning in gas heater starting
Catalytic burner, and control the preheated burning device when the temperature of the catalytic burner reaches catalysis initiation temperature or more and put out
It goes out.
8. such as gas heater of any of claims 1-6, which is characterized in that the pre-mixing apparatus is mixed for venturi
Device of air.
9. such as gas heater of any of claims 1-6, which is characterized in that the quantity of the heat exchanger is two
A, respectively First Heat Exchanger and the second heat exchanger being connected to the First Heat Exchanger, the First Heat Exchanger are finned
Heat exchanger, second heat exchanger is coil exchanger and ring is embedded on the side wall of the shell, and the cold water inlet connects
Lead to second heat exchanger, the hot water outlet pipe is connected to the First Heat Exchanger.
10. such as gas heater of any of claims 1-6, which is characterized in that the blower is explosion-proof fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005587.5A CN109695955A (en) | 2017-10-24 | 2017-10-24 | Gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005587.5A CN109695955A (en) | 2017-10-24 | 2017-10-24 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695955A true CN109695955A (en) | 2019-04-30 |
Family
ID=66229370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711005587.5A Pending CN109695955A (en) | 2017-10-24 | 2017-10-24 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109695955A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530010A (en) * | 2019-09-09 | 2019-12-03 | 广东长青（集团）股份有限公司 | A kind of fully-premixed water heater |
| CN112682781A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas water heater |
| CN112682950A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | High-temperature air burner and gas water heater |
| CN113340002A (en) * | 2021-06-04 | 2021-09-03 | 孙成威 | Gas water heater with intelligent control function |
| CN113739412A (en) * | 2021-05-17 | 2021-12-03 | 戴伟 | Integrated module heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202024333U (en) * | 2011-04-19 | 2011-11-02 | 广东万家乐燃气具有限公司 | Premixing device for fully premixing combustion |
| CN106642646A (en) * | 2015-10-29 | 2017-05-10 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN106871120A (en) * | 2017-03-31 | 2017-06-20 | 芜湖美的厨卫电器制造有限公司 | Burner assembly and the gas heater with it |
| CN206514529U (en) * | 2017-01-04 | 2017-09-22 | 广东昊森热能设备有限公司 | A kind of air intake structure of fully pre-mixing gas combustion water heater for heating |
| CN207350776U (en) * | 2017-10-24 | 2018-05-11 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
-
2017
- 2017-10-24 CN CN201711005587.5A patent/CN109695955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202024333U (en) * | 2011-04-19 | 2011-11-02 | 广东万家乐燃气具有限公司 | Premixing device for fully premixing combustion |
| CN106642646A (en) * | 2015-10-29 | 2017-05-10 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN206514529U (en) * | 2017-01-04 | 2017-09-22 | 广东昊森热能设备有限公司 | A kind of air intake structure of fully pre-mixing gas combustion water heater for heating |
| CN106871120A (en) * | 2017-03-31 | 2017-06-20 | 芜湖美的厨卫电器制造有限公司 | Burner assembly and the gas heater with it |
| CN207350776U (en) * | 2017-10-24 | 2018-05-11 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530010A (en) * | 2019-09-09 | 2019-12-03 | 广东长青（集团）股份有限公司 | A kind of fully-premixed water heater |
| CN110530010B (en) * | 2019-09-09 | 2024-02-09 | 长青热能科技(中山)有限公司 | Full premix type water heater |
| CN112682781A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas water heater |
| CN112682788A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas water heater |
| CN112682787A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater |
| CN112682950A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | High-temperature air burner and gas water heater |
| CN112682787B (en) * | 2019-10-17 | 2022-10-04 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater |
| CN112682781B (en) * | 2019-10-17 | 2022-11-29 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas water heater |
| CN113739412A (en) * | 2021-05-17 | 2021-12-03 | 戴伟 | Integrated module heat exchanger |
| CN113340002A (en) * | 2021-06-04 | 2021-09-03 | 孙成威 | Gas water heater with intelligent control function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207350776U (en) | Gas heater | |
| CN109695955A (en) | Gas heater | |
| CN109708299A (en) | Gas heater | |
| CN105841340A (en) | Gas water heater | |
| CN207335137U (en) | Gas heater | |
| CN108006946A (en) | Gas heater and gas heater method for controlling combustion | |
| CN106287708B (en) | Catalytic burner and gas heater with it | |
| CN105823204A (en) | Gas water heater | |
| CN106871120A (en) | Burner assembly and the gas heater with it | |
| CN205783717U (en) | Gas heater | |
| CN109724085A (en) | Gas mixed nub structure and gas heater | |
| CN207196910U (en) | A kind of gas heater | |
| CN207095038U (en) | Gas heater | |
| CN109425099A (en) | A kind of gas heater | |
| CN206469470U (en) | Gas heater | |
| CN207881201U (en) | Gas heater | |
| CN207196906U (en) | A kind of gas heater | |
| CN102997413B (en) | Metal hot blast heater | |
| CN206037389U (en) | Gas water heater | |
| CN211502899U (en) | Gas stove and stove burner thereof | |
| CN205690645U (en) | Gas heater | |
| CN210486040U (en) | Combustion heat exchange equipment | |
| CN206755164U (en) | Burner assembly and there is its gas heater | |
| CN209131152U (en) | Burner assembly and water heater | |
| CN2286519Y (en) | Gas range with preheating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |