CN206683241U - A kind of gas combustion apparatus for realizing monitoring and control combustion conditions - Google Patents
A kind of gas combustion apparatus for realizing monitoring and control combustion conditions Download PDFInfo
- Publication number
- CN206683241U CN206683241U CN201720345918.9U CN201720345918U CN206683241U CN 206683241 U CN206683241 U CN 206683241U CN 201720345918 U CN201720345918 U CN 201720345918U CN 206683241 U CN206683241 U CN 206683241U
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- gas
- oxygen content
- combustion apparatus
- heat exchanger
- lambda sensor
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Abstract
The utility model discloses a kind of gas combustion apparatus for realizing monitoring and control combustion conditions, the lambda sensor is connected with the electronic controller by signal cable, oxygen content in the lambda sensor monitoring flue gas, and oxygen content is converted into corresponding electric signal and sends the electronic controller to, the electronic controller compares the oxygen content measured and the oxygen content standard value deposited in advance, and the rotating speed of the motor in the fan assembly is adjusted in real time to adjust the oxygen content entered in the air intake opening in the burner assembly, ensure that the oxygen content in flue gas is maintained in rational scope, namely control the gas combustion apparatus normal work, make in its combustion product be emitted on it is any it is unfavorable under conditions of all in controlled range.
Description
Technical field
The utility model, which belongs to fuel gas buring application field, especially one kind, can realize directly or indirectly monitoring and control
The gas combustion apparatus of combustion conditions.
Background technology
Current domestic gas-fired water heater or gas-heating water heater often use thermocouple anoxia protection arrangement or blast switch
The combustion conditions of indirect monitoring burner.When using blast switch, when being if it happens vented not smooth, then it can cause blast switch
Action（Switch to off-state from attracting state）, gas valve, combustion gas heat are cut off when monitoring control devices to blast switch act
Hydrophone or gas-heating water heater just stop burning；When using thermocouple anoxia protection arrangement, when being if it happens vented not smooth,
The voltage of thermocouple anoxia protection arrangement can change, and equally, when monitoring control devices are to cutting off gas valve during this change, fire
Gas water heater or gas-heating water heater just stop burning.Although both protection devices have been used for many years, they
Existing common issue is after-sales service rate height, it is also even more serious the problem of they can only passively play monitoring, and can not
Wind supply quantity is actively increased when oxygen deficit problem occurs in fuel gas buring, keeps gas heater or gas-heating water heater normally to transport
OK, improve the performance of product, widen the accommodation of product.
Therefore, it is necessary to a kind of new gas combustion apparatus is designed, to overcome above mentioned problem.
Utility model content
In view of this, the purpose of this utility model is that providing a kind of realize monitors and control combustion conditions, and lifting uses
Performance, realize the gas combustion apparatus of energy-saving and emission-reduction.
Technical scheme is as follows used by the utility model solves above-mentioned technical problem：One kind realizes monitoring and control burning
The gas combustion apparatus of operating mode, it includes：One burner assembly and a heat exchanger assemblies, the heat exchanger assemblies are positioned at combustion
It is connected above burner component and with the burner assembly；One fan assembly, the fan assembly are located at the heat exchanger group
It is connected above part and with the heat exchanger assemblies, the drain pan of the gas combustion apparatus is located at institute provided with one group of air intake opening
State the right side of fan assembly；One lambda sensor is arranged on the fan assembly, and the lambda sensor is used for and an Electronic Control
Device connects, and the lambda sensor is used to monitor the oxygen content during gas combustion apparatus burning；One gas ratio valve, the combustion
Gas proportioning valve is located at below the burner assembly.
Alternatively, further comprise a blast pipe, the blast pipe be located above the heat exchanger assemblies and with it is described
Heat exchanger assemblies connect.
Alternatively, the fan assembly is connected with the blast pipe, and the air intake opening is located on the right side of the blast pipe, institute
Lambda sensor is stated to be located on the left of the blast pipe.
Alternatively, the gas ratio valve is located at the burner assembly lower right-hand side, and in the vertical direction.
According to above technical scheme, a kind of gas combustion apparatus for realizing monitoring and control combustion conditions of the present utility model
At least there is advantages below：
1st, the fan assembly is located above the heat exchanger assemblies and is connected with the heat exchanger assemblies, the combustion
The drain pan of gas burner is provided with the right side that one group of air intake opening is located at the fan assembly, and the gas ratio valve is located at institute
State below burner assembly so that the air enters with the combustion gas from the above-below direction of the burner assembly, is carried with this
The combustion rate of high combustion gas, reach up to energy-saving and emission-reduction；
2nd, the lambda sensor is arranged on the fan assembly, and the lambda sensor is used to connect with an electronic controller
Connect, the lambda sensor is used to monitor the oxygen content during gas combustion apparatus burning, the lambda sensor and the Electronic Control
Device is connected by signal cable, the oxygen content in the flue gas that the lambda sensor monitoring ejects from the gas combustion apparatus,
And oxygen content is converted into corresponding electric signal and sends the electronic controller to, the electronic controller contains the oxygen measured
Amount and the oxygen content standard value deposited in advance compare, and adjust the rotating speed of the motor in the fan assembly in real time, it is ensured that flue gas
In oxygen content be maintained in rational scope, that is, control the gas combustion apparatus normal work, fire the combustion gas
Burn device combustion product in be emitted on it is any it is unfavorable under conditions of all in controlled range.
Brief description of the drawings
Fig. 1 is the schematic diagram of the gas combustion apparatus of the present utility model for realizing monitoring and control combustion conditions.
Embodiment
It is with reference to accompanying drawing and specifically real for ease of being better understood from the purpose of this utility model, structure, feature and effect etc.
Applying mode, the utility model is described in further detail.
As shown in figure 1, a kind of gas combustion apparatus for realizing monitoring and control combustion conditions, described in the utility model
Gas combustion apparatus is gas heater A, and the gas combustion apparatus can be gas-heating water heater in other embodiments.
The gas heater A includes：Burner assembly 6 and heat exchanger assemblies 4, the heat exchanger assemblies 4 are located at burner group
It is connected above part 6 and with the burner assembly 6.Fan assembly 2, the fan assembly 2 are located on the heat exchanger assemblies 4
It is connected just and with the heat exchanger assemblies 4, the drain pan of the gas heater is located at the wind provided with one group of air intake opening 8
The right side of thermomechanical components 2, the air intake opening 8 are used to provide extraneous air into the burner in the gas heater A
Component 6.
As shown in figure 1, a lambda sensor 3 is arranged on the fan assembly 2, the lambda sensor 3 is used for and an electronics
Controller 7 connects, and the lambda sensor 3 is used to monitor the oxygen content during gas heater A devices burning, the oxygen sensing
Device 3 is connected with the electronic controller 7 by signal cable.One gas ratio valve 5, the gas ratio valve 5 are located at the combustion
The lower section of burner component 6 so that the air enters with the combustion gas from the above-below direction of the burner assembly 6, is improved with this
The combustion rate of combustion gas, reach energy-saving and emission-reduction.
As shown in figure 1, further comprise a blast pipe 1, the blast pipe 1 positioned at the top of heat exchanger assemblies 4 and
It is connected with the heat exchanger assemblies 4, the blast pipe 1 connects with the fan assembly 2 so that the lambda sensor 3 monitors
Oxygen content in the flue gas discharged from the blast pipe 1.
As shown in figure 1, the fan assembly 2 is connected with the blast pipe 1, the air intake opening 8 is located at the blast pipe 1
Right side, for the lambda sensor 3 positioned at the left side of blast pipe 1, the lambda sensor 3, which is placed near the smoke exhaust pipe, causes institute
The accuracy for stating the measurement oxygen of lambda sensor 3 is higher.
As shown in figure 1, the gas ratio valve 5 is located at the lower right-hand side of burner assembly 6, and in vertical direction
On.
After the gas heater A starts working, combustion gas is after the gas ratio valve 5 in the burner assembly
Burnt in 6, air enters in the burner assembly 6 from the air intake opening 8 provides oxygen to the combustion gas.Caused by burning
Flue gas after the fan assembly 2 from the blast pipe 1 by discharging.The lambda sensor 3 and the electronic controller 7 pass through letter
Number cable connection, the lambda sensor 3 monitor the oxygen content in flue gas, and oxygen content be converted into corresponding to electric signal transmission
To the electronic controller 7, the electronic controller 7 compares the oxygen content measured and the oxygen content standard value deposited in advance,
And the rotating speed for adjusting the motor in the fan assembly 2 in real time enters the burner assembly 6 to adjust in the air intake opening 8
In oxygen content, it is ensured that the oxygen content in flue gas is maintained in rational scope, that is, control the normal works of gas heater A
Make, make in its combustion product be emitted on it is any it is unfavorable under conditions of all in controlled range.
The utility model monitors the gas heater A or described gas-heating water heaters using the lambda sensor 3 and fired
The oxygen content in emission is burnt, judges the combustion conditions of gas utensil indirectly.The gas combustion apparatus in the case of normal combustion,
The relation of oxygen content and thermic load in its fire emission is relatively-stationary；Under same input thermic load, even if oxygen
Gas content is varied from, but its excursion is also limited.Based on such a principle, under specifically input thermic load, work as institute
When stating electronic controller 7 and monitoring that oxygen content exceeds defined scope, the motor speed of fan assembly 2 described in adjust automatically,
It is set to supply being changed with air quantity for the gas fired water heater（Increase reduces）, it is ensured that the burning of the gas heater A
Oxygen content in product is returned in rational scope, solves existing gas heater A or gas-heating water heater burner
The monitoring and control problem of condition, it is greatly broadened the scope of application of the gas combustion apparatus, improves the fuel gas buring dress
The performance put.
Detailed description above is only the explanation of the preferred embodiment of the utility model, and non-therefore limitation is of the present utility model specially
Sharp scope, so, all equivalence techniqueses with carried out by this creation specification and diagramatic content change, and are both contained in the utility model
The scope of the claims in.
Claims (4)
1. a kind of gas combustion apparatus for realizing monitoring and control combustion conditions, it is characterised in that it includes：
One burner assembly and a heat exchanger assemblies, the heat exchanger assemblies be located above burner assembly and with the combustion
Burner component connects；
One fan assembly, the fan assembly are located above the heat exchanger assemblies and are connected with the heat exchanger assemblies；
The drain pan of the gas combustion apparatus is provided with the right side that one group of air intake opening is located at the fan assembly；
One lambda sensor is arranged on the fan assembly, and the lambda sensor is used to be connected with an electronic controller, the oxygen
Sensor is used to monitor the oxygen content during gas combustion apparatus burning；
One gas ratio valve, the gas ratio valve are located at below the burner assembly.
2. the gas combustion apparatus for realizing monitoring and control combustion conditions according to claim 1, it is characterised in that：Enter one
Step includes a blast pipe, and the blast pipe is located above the heat exchanger assemblies and is connected with the heat exchanger assemblies.
3. the gas combustion apparatus for realizing monitoring and control combustion conditions according to claim 2, it is characterised in that：It is described
Fan assembly is connected with the blast pipe, and the air intake opening is located on the right side of the blast pipe, and the lambda sensor is positioned at described
On the left of blast pipe.
4. the gas combustion apparatus for realizing monitoring and control combustion conditions according to claim 3, it is characterised in that：It is described
Gas ratio valve is located at the burner assembly lower right-hand side, and in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345918.9U CN206683241U (en) | 2017-04-05 | 2017-04-05 | A kind of gas combustion apparatus for realizing monitoring and control combustion conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345918.9U CN206683241U (en) | 2017-04-05 | 2017-04-05 | A kind of gas combustion apparatus for realizing monitoring and control combustion conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683241U true CN206683241U (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720345918.9U Active CN206683241U (en) | 2017-04-05 | 2017-04-05 | A kind of gas combustion apparatus for realizing monitoring and control combustion conditions |
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| CN (1) | CN206683241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579280A (en) * | 2018-12-28 | 2019-04-05 | 广东顺德大派电气有限公司 | A kind of adaptive gas heater |
-
2017
- 2017-04-05 CN CN201720345918.9U patent/CN206683241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579280A (en) * | 2018-12-28 | 2019-04-05 | 广东顺德大派电气有限公司 | A kind of adaptive gas heater |
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