CN207975831U - A kind of low emissions combustion structure of gas-heating water heater - Google Patents
A kind of low emissions combustion structure of gas-heating water heater Download PDFInfo
- Publication number
- CN207975831U CN207975831U CN201721316141.XU CN201721316141U CN207975831U CN 207975831 U CN207975831 U CN 207975831U CN 201721316141 U CN201721316141 U CN 201721316141U CN 207975831 U CN207975831 U CN 207975831U
- Authority
- CN
- China
- Prior art keywords
- gas
- combustion chamber
- volute
- blower
- collecting hood
- 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.)
- Active
Links
Landscapes
- Incineration Of Waste (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of low emissions combustion structures of gas-heating water heater, including shell, burner, heat exchanger, exhaust fume collecting hood, wind turbine and smoke exhaust pipe, it is equipped with combustion chamber in the lower part of the housing, the burner is arranged in combustion chamber lower part, the exhaust fume collecting hood fixed setting is in the upper housing, the heat exchanger is arranged between the combustion chamber and the exhaust fume collecting hood, wind turbine includes volute of blower, the driving device of the draught fan impeller and driving draught fan impeller rotation that are arranged in volute of blower, air inlet is equipped on volute of blower, air outlet and multiple airflow diversion holes, air inlet, air outlet respectively with the exhaust fume collecting hood outlet flue, the smoke exhaust pipe connection, a smoke backflow channel is equipped in the shell, the flue gas being discharged from airflow diversion hole is flowed back into through smoke backflow channel in combustion chamber.When the utility model is used, due to the reflux by flue gas, the oxygen content of air in combustion chamber is reduced, the discharge of nitrogen oxides can be reduced.
Description
Technical field
The utility model is related to domestic gas water heater for heating technical field, especially a kind of gas-heating water heater it is low
Discharge burning structure.
Background technology
Gas-heating water heater refers to the domestic life boiler of domestic heating or bathing, small, low energy consumption, typical
Feature is exactly to be suitable for home use.With the development and progress of society, what people's living condition became becomes better and better, for life
Energy conservation and environmental protection is advocated under comfort conditions, more and more people install gas-heating water heater at home, can be individually to floor heating
Heat supply is carried out, domestic hot-water can also be provided.
Existing gas-heating water heater generally uses partly-premixed and fully premixed two kinds of combustion systems.Fully premixed
Combustion system, advantage are that burning is rapid, and discharged nitrous oxides are low, but need dedicated device to realize, installation cost is high, manufacture
Technology difficulty is big.And the mode that partly-premixed combustion system, which is domestic gas boiler, generally to be used.Partly-premixed combustion system
Traditional combustion structure, not optimized to the generation of nitrogen oxides, so the concentration of emission of nitrogen oxides is higher, to ring
Border has a certain impact.
Invention content
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art, a kind of the low of gas-heating water heater is provided
Burning structure is discharged, the discharge of nitrogen oxides can be reduced when in use.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of low row of gas-heating water heater
Burning structure, including shell, burner, heat exchanger, exhaust fume collecting hood, wind turbine and smoke exhaust pipe are put, combustion is equipped in the lower part of the housing
Room is burnt, the burner setting is in combustion chamber lower part, and in the upper housing, the heat exchanger is arranged for the exhaust fume collecting hood fixed setting
Between the combustion chamber and the exhaust fume collecting hood, it is characterised in that：The wind turbine includes volute of blower, is arranged in volute of blower
Draught fan impeller and driving draught fan impeller rotation driving device, on volute of blower be equipped with the gentle flow point of air inlet and outlet
Discharge orifice, air inlet and outlet are connected to the exhaust fume collecting hood outlet flue, the smoke exhaust pipe respectively, and a flue gas is equipped in the shell
Return flow line, the flue gas being discharged from airflow diversion hole are flowed back into through smoke backflow channel in combustion chamber.
Further, the smoke backflow channel is formed by the gap between the shell, exhaust fume collecting hood and heat exchanger.Or
Smoke backflow channel described in person is a smoke pipe, and the both ends of smoke pipe are respectively communicated with the airflow diversion hole and the combustion chamber.
Further, the driving device includes transmission shaft, fan stator, fan rotor, wind turbine fixed hub and branch
Frame, fan stator are made of silicon steel sheet and the coil on silicon steel sheet.The holder is mounted on wind turbine snail by beam
On shell-side face, the silicon steel sheet is rack-mount.The fan rotor is mounted on by wind turbine fixed hub on silicon steel sheet, institute
Transmission shaft is stated to be mounted on the volute of blower by bearing block, the both ends of transmission shaft respectively with the draught fan impeller, the wind
Machine rotor is connected.
Further, also it is installed with fan radiating blade on the transmission shaft between the holder and volute of blower.Institute
It states fan rotor and frequency sensor is arranged with by magnet ring.
The utility model has the beneficial effects that：Due to being provided with airflow diversion hole on volute of blower, when burning flue gas from
Fans entrance enters, and most of flue gas is discharged from wind turbine main air outlet, and part of smoke is discharged from airflow diversion hole, the cigarette of discharge
Gas is returned to by smoke backflow channel in combustion chamber, since oxygen content is extremely low in this partial fume, reduces entrance indirectly
Burn indoor fresh air, i.e., after this partial fume is mixed with fresh air, reduces the oxygen content of burning room air, real
Existing light oxygen burning achievees the purpose that reduce discharge to inhibit the generation of nitrogen oxides.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the main structure diagram of the utility model.
Fig. 2 is that the smoke backflow of the utility model flows to schematic diagram.
Fig. 3 is the structural schematic diagram of wind turbine in the utility model.
Fig. 4 is the decomposition diagram of Fig. 3.
In figure：1, shell 2, burner, 3, heat exchanger, 4, exhaust fume collecting hood, 5, wind turbine, 6, smoke exhaust pipe, 7, combustion chamber, 8, cigarette
Gas return flow line, 10, volute of blower, 20, draught fan impeller, driving device 30,40, airflow diversion mouth, 101, air inlet, 102,
Air outlet, 31, transmission shaft 31,32, fan coil, 33, fan stator, 34, fan rotor, 35, holder, 36, silicon steel sheet, 37,
Fan radiating blade, 38, frequency sensor, 39, beam.
Specific implementation mode
As shown in Figs 1-4, the low emissions combustion structure of a kind of gas-heating water heater of the utility model, including shell 1, combustion
Burner 2, heat exchanger 3, exhaust fume collecting hood 4, wind turbine 5 and smoke exhaust pipe 6.It is equipped with combustion chamber 7 in 1 lower part of the shell；The burner 2
It is arranged in 7 lower part of combustion chamber.The exhaust fume collecting hood 4 is fixed at 1 top of shell；The heat exchanger 3 is arranged in the burning
Between room 7 and the exhaust fume collecting hood 4.
The wind turbine 5 includes that volute of blower 10, the draught fan impeller 20 being arranged in volute of blower and driving draught fan impeller turn
Dynamic driving device 30.Air inlet 101,102 gentle flow point discharge orifice 40 of air outlet are equipped on volute of blower；Airflow diversion hole 40
Bore dia and quantity can be designed according to actual needs such as the sizes of volute of blower.Air inlet 101, air outlet 102 respectively with institute
4 outlet flue of exhaust fume collecting hood, the connection of the smoke exhaust pipe 6 are stated, a smoke backflow channel 8 is equipped in the shell 1, is arranged from airflow diversion hole
The flue gas gone out can be flowed back into through smoke backflow channel in combustion chamber.Specifically, the smoke backflow channel 8 is by the shell, collection
Gap between petticoat pipe and heat exchanger is formed.Certainly, in practical application, the smoke backflow channel 8 can also be one only
The both ends of vertical smoke pipe, smoke pipe are respectively communicated with the airflow diversion hole and the combustion chamber.So design can also reach air-flow
Purpose of the smoke backflow of tap hole discharge to combustion chamber.
Further, the driving device 30 includes that transmission shaft 31, fan stator 32, fan rotor 33, wind turbine are fixed
Axle sleeve 34 and holder 35, coil 322 of the fan stator 32 by silicon steel sheet 321 and on silicon steel sheet 321 are constituted.The holder
35 are mounted on by beam 38 on 10 side of volute of blower, and the silicon steel sheet 321 is mounted on holder 35.The fan rotor
33 are mounted on by wind turbine fixed hub 34 on silicon steel sheet 321, and the transmission shaft 31 is mounted on the wind turbine snail by bearing block
On shell 10, the both ends of transmission shaft 31 are connected with the draught fan impeller 20, the fan rotor 33 respectively.
Further, also it is installed with fan radiating blade on the transmission shaft between the holder 35 and volute of blower 10
36。
Further, the fan rotor 33 is arranged with frequency sensor 37 by magnet ring.
The above content is only to illustrate the technical solution of the utility model, and those skilled in the art are new to this practicality
The simple modification or equivalent replacement that the technical solution of type carries out, all without departing from the essence and model of technical solutions of the utility model
It encloses.
Claims (6)
1. a kind of low emissions combustion structure of gas-heating water heater, including shell, burner, heat exchanger, exhaust fume collecting hood, wind turbine
And smoke exhaust pipe, it is equipped with combustion chamber in the lower part of the housing, the burner setting is set in combustion chamber lower part, the exhaust fume collecting hood fixation
It sets in the upper housing, the heat exchanger is arranged between the combustion chamber and the exhaust fume collecting hood, it is characterised in that：The wind turbine
Driving device including volute of blower, the draught fan impeller being arranged in volute of blower and driving draught fan impeller rotation, in wind turbine snail
Shell be equipped with air inlet and outlet and multiple airflow diversion holes, air inlet and outlet respectively with the exhaust fume collecting hood outlet flue, institute
Smoke exhaust pipe connection is stated, a smoke backflow channel is equipped in the shell, the flue gas being discharged from airflow diversion hole is logical through smoke backflow
Road flows back into combustion chamber.
2. the low emissions combustion structure of gas-heating water heater according to claim 1, it is characterised in that：The flue gas returns
Circulation road is formed by the gap between the shell, exhaust fume collecting hood and heat exchanger.
3. the low emissions combustion structure of gas-heating water heater according to claim 1, it is characterised in that：The flue gas returns
Circulation road is a smoke pipe, and the both ends of smoke pipe are respectively communicated with the airflow diversion hole and the combustion chamber.
4. the low emissions combustion structure of gas-heating water heater according to claim 1 or 2 or 3, it is characterised in that：It is described
Driving device includes transmission shaft, fan stator, fan rotor, wind turbine fixed hub and holder, fan stator by silicon steel sheet and
Coil on silicon steel sheet is constituted；The holder is mounted on by beam on volute of blower side, the silicon steel sheet peace
On holder；The fan rotor is mounted on by wind turbine fixed hub on silicon steel sheet, and the transmission shaft is pacified by bearing block
On the volute of blower, the both ends of transmission shaft are connected with the draught fan impeller, the fan rotor respectively.
5. the low emissions combustion structure of gas-heating water heater according to claim 4, it is characterised in that：The holder with
Fan radiating blade is also installed on transmission shaft between volute of blower.
6. the low emissions combustion structure of gas-heating water heater according to claim 4, it is characterised in that：The wind turbine turns
Son is arranged with frequency sensor by magnet ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721316141.XU CN207975831U (en) | 2017-10-13 | 2017-10-13 | A kind of low emissions combustion structure of gas-heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721316141.XU CN207975831U (en) | 2017-10-13 | 2017-10-13 | A kind of low emissions combustion structure of gas-heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975831U true CN207975831U (en) | 2018-10-16 |
Family
ID=63770911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721316141.XU Active CN207975831U (en) | 2017-10-13 | 2017-10-13 | A kind of low emissions combustion structure of gas-heating water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682790A (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 |
| CN112682941A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
-
2017
- 2017-10-13 CN CN201721316141.XU patent/CN207975831U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682790A (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 |
| CN112682941A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN112682791A (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 |
| CN112682790B (en) * | 2019-10-17 | 2022-09-27 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater |
| CN112682791B (en) * | 2019-10-17 | 2022-09-27 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207422657U (en) | Warm-air drier | |
| CN207975831U (en) | A kind of low emissions combustion structure of gas-heating water heater | |
| CN205878589U (en) | Hanging stove with vortex device | |
| CN205746935U (en) | A kind of flue gas recirculation structure reducing gas fired-boiler burner hearth NO_x formation | |
| CN205174787U (en) | Gas heating water heater of formula of burning by stage | |
| CN205897313U (en) | Quick heat flux circulation electric fan heater | |
| CN207974986U (en) | A kind of wind turbine for gas-heating water heater | |
| CN201041411Y (en) | Multifunctional hot blast stove | |
| CN111947300B (en) | Circulating heat exchange device and method for improving heat exchange efficiency | |
| CN108019944A (en) | A kind of gas gathering mask and application have the gas heater of the gas gathering mask | |
| CN207688435U (en) | A kind of gas gathering mask and application have the gas heater of the gas gathering mask | |
| CN208349579U (en) | A kind of high efficient heat exchanging formula premixes boiler entirely | |
| CN101113829A (en) | Gas combustion heat reclaiming heating air conditioner | |
| CN206310711U (en) | A kind of energy-saving type wall-hung boiler and heating system | |
| CN105972819B (en) | Direct-fired gas warm-air machine | |
| CN204806649U (en) | Balanced type gas hot water system | |
| CN203083133U (en) | Condensation-type dual-purpose heating water heater | |
| CN208154821U (en) | A kind of hot-blast stove of square tube type heat exchange | |
| CN201787574U (en) | Combustion engine for hot blast stove | |
| CN205448285U (en) | Horizontal coal -fired hot -blast furnace | |
| CN219433486U (en) | Wall-mounted furnace heat exchanger and wall-mounted furnace | |
| CN204574463U (en) | A kind of heating stove | |
| CN205002344U (en) | Gas -fired heating water heater | |
| CN219454269U (en) | Heat recovery heating structure of hanging stove | |
| CN201110595Y (en) | Gas combustion heat recycling heating air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |