CN208967838U - Air-fuel ratio regulation system based on frequency conversion fan - Google Patents
Air-fuel ratio regulation system based on frequency conversion fan Download PDFInfo
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- CN208967838U CN208967838U CN201821375654.2U CN201821375654U CN208967838U CN 208967838 U CN208967838 U CN 208967838U CN 201821375654 U CN201821375654 U CN 201821375654U CN 208967838 U CN208967838 U CN 208967838U
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Abstract
The utility model relates to the air-fuel ratio regulation systems based on frequency conversion fan, including controller, detector, combustion chamber, frequency conversion fan, air pipeline and gas pipeline, air pipeline and gas pipeline respectively with combustion chamber, detector is equipped with detecting head, detecting head is embedded in the combustion chamber, air pipeline connects frequency conversion fan far from one end of the combustion chamber, and gas pipeline and air pipeline are equipped with linkage valve；Linkage valve, frequency conversion fan and detector are connect with controller respectively.The utility model is by being arranged linkage valve on air pipeline and gas pipeline, by the indoor smoke components of detecting head real-time detection burning, the data that will test are transmitted to controller, the speed for adjusting the frequency conversion fan connecting with air pipeline according to the data of detection by controller, to adjust air mass flow, so that air-fuel ratio reaches preferable state, mention high control precision, adjust simple, whole system structure is simple, and the maintenance time period is short and repeated height.
Description
Technical field
The utility model relates to air-fuel ratio regulation systems, more specifically refer to the air-fuel ratio regulation system based on frequency conversion fan
System.
Background technique
The energy is the power of social production and development.The energy is the important measurement standard of a national living standards of the people.
Heating furnace is important energy consumption equipment in industrial environment, occupies industrial production always consumes energy 10%~20% or so, heating
The interests for the enterprise that the heating efficiency problem of furnace directly affects guarantee production safety and technique in today of Energy situation sternness
It is required that premise, the thermal efficiency for improving heating furnace is anxious concern.
Traditional heating furnace controls equipment using mechanical or cam-type structure, is gradually controlled using mechanical or cam-type structure
The burning of inside heating furnace substance processed, but there are many deficiencies for this control mode, such as: poor repeatability controls precision
Low, adjustment is difficult, and the maintenance time period is long, fuel gas buring low efficiency, and then air-fuel ratio is caused to be unable to reach preferable states.
Therefore, it is necessary to a kind of new control system be designed, so that air-fuel ratio reaches preferable states.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, the air-fuel ratio regulation system based on frequency conversion fan is provided
System.
To achieve the above object, the utility model uses following technical scheme: the air-fuel ratio regulation system based on frequency conversion fan
System, including controller, detector, combustion chamber, frequency conversion fan, air pipeline and gas pipeline, the air pipeline and institute
Gas pipeline is stated respectively with the combustion chamber, and the detector is equipped with detecting head, and the detecting head is embedded in the combustion
Burn indoor, one end connection frequency conversion fan of the air pipeline far from the combustion chamber, the gas pipeline and the air
Pipeline is equipped with linkage valve；The linkage valve, the frequency conversion fan and the detector connect with the controller respectively
It connects.
Its further technical solution are as follows: the linkage valve includes the air shut-off valve door being set on air pipeline, is set to
Gas control valve and valve on gas pipeline are connected bar, the air shut-off valve door and the gas control valve
It is connected bar connection by the valve, the gas control valve connect with the controller.
Its further technical solution are as follows: the side of the combustion chamber, which extends outwardly, mixing chamber, the air pipeline and
The gas pipeline is connected to the mixing chamber respectively.
Its further technical solution are as follows: be additionally provided with switch valve on the gas pipeline.
Its further technical solution are as follows: be additionally provided with pressure reducing valve on the gas pipeline.
Its further technical solution are as follows: be connected with igniting pipeline on the mixing chamber, the other end of the igniting pipeline with
The gas pipeline connection.
Its further technical solution are as follows: the igniting pipeline is equipped with igniting pipeline valve.
Its further technical solution are as follows: the gas pipeline be equipped with quick action emergency valve, the quick action emergency valve with it is described
Pipeline of lighting a fire is connected to.
The beneficial effect of the utility model compared with prior art is: the utility model passes through in air pipeline and combustion gas
Linkage valve is set on pipeline, is burnt indoor smoke components, and the data that will test by the detecting head real-time detection of detector
It is transmitted to controller, adjusts the speed for the frequency conversion fan connecting with air pipeline according to the data of detection by controller, to adjust
Air mass flow uses the speed of control frequency conversion fan to can be improved to adjust air mass flow so that air-fuel ratio reaches preferable state
Precision is controlled, and adjusts simple, whole system structure is simple, and the maintenance time period is short and repeated height.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural representation for the air-fuel ratio regulation system based on frequency conversion fan that the utility model specific embodiment provides
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
It is also understood that in this utility model term used in the description merely for the sake of description specific embodiment
Purpose and be not intended to limit the utility model.As used in the utility model specification and appended book
Like that, other situations unless the context is clearly specified, otherwise " one " of singular, "one" and "the" are intended to include plural number
Form.
It will be further appreciated that the term used in the utility model specification and appended book " and/
Or " refer to any combination and all possible combinations of one or more of associated item listed, and including these groups
It closes.
Specific embodiment as shown in Figure 1, the air-fuel ratio regulation system provided in this embodiment based on frequency conversion fan can be with
It is used in the place of power conversion, so that air-fuel ratio reaches preferable states.
Air-fuel ratio regulation system based on frequency conversion fan, including controller 10, detector 13, combustion chamber 14, frequency conversion fan
11, air pipeline 16 and gas pipeline 15, air pipeline 16 and gas pipeline 15 are connected to combustion chamber 14 respectively, detector
13 are equipped with detecting head, and detecting head is embedded in the combustion chamber 14, and air pipeline 16 connects far from one end of the combustion chamber 14
It is connected to frequency conversion fan 11, frequency conversion fan 11 brings air into air pipeline 16, and mixes with combustion gas in mixing chamber 141.Fuel gas conduit
Road 15 and air pipeline 16 are equipped with linkage valve；Linkage valve, frequency conversion fan 11 and detector 13 respectively with controller
10 connections.
Specifically, above-mentioned linkage valve includes the air shut-off valve door 12 being set on air pipeline 16, is set to fuel gas conduit
Gas control valve 2 and valve on road 15 are connected bar 9, and air shut-off valve door 12 and gas control valve 2 pass through valve
Door linkage connecting rod 9 connects, and gas control valve 2 is connect with controller 10.Controller 10 controls gas control valve 2 and acts,
Since valve is connected the effect of bar 9, the aperture of air shut-off valve door 12 also with change, control combustion gas and air simultaneously into
Enter combustion chamber 14, realize while controlling air mass flow and gas flow, completes air-fuel ratio coarse adjustment.
Detector 13 detects the smoke components in combustion chamber 14, by the real-time data transmission of acquisition to controller 10, control
Device 10 makes 14 fuel of combustion chamber and sky by controlling 11 dynamic regulation air mass flow of frequency conversion fan according to flue gas established standards
Gas ingredient reaches optimal air-fuel ratio, to reach the fine tuning effect of air-fuel ratio.
Specifically, the smoke components in detecting head detection combustion chamber 14, the mainly oxygen content in acquisition flue gas, controller
10 control frequency conversion fan 11 according to the ratio and flue gas established standards of the two is controlled with regulating gas control valve 2 and air
The opening size of valve 12 is realized high-precision air-fuel ratio optimal proportion control to adjust the air-fuel ratio in combustion chamber 14, is had
Effect improves energy utilization rate.
In the present embodiment, the speed of frequency conversion fan 11 is adjusted, to control air mass flow.
In one embodiment, the side of above-mentioned combustion chamber 14, which extends outwardly, mixing chamber 141, the air pipeline 16 with
And the gas pipeline 15 is connected to the mixing chamber 141 respectively.Combustion gas mixes after-combustion in mixing chamber 141 with air, generates
Flue gas arrange to combustion chamber 14, acquired by detecting head and analyzed data in real time and be transferred to controller 10.
The smoke components that air shut-off valve door 12 and gas control valve 2 are detected by controller 10 according to detecting head,
According to the smoke components standard of setting, the speed of real-time control frequency conversion fan 11 is made empty in combustion chamber 14 with adjusting air mass flow
Gas and the ingredient of combustion gas reach best air-fuel proportion.
Specifically, the lower end of above-mentioned mixing chamber 141 is inserted with fire rod 1, lights combustion gas by fire rod 1 and mixes with air
The mixture of formation.
In one embodiment, above-mentioned gas pipeline 15 is connected with fuel storage 7, combustion gas far from one end of combustion chamber 14
It is generated by fuel storage 7.
In one embodiment, it is additionally provided with switch valve 4 on above-mentioned gas pipeline 15, and is additionally provided with decompression on gas pipeline 15
Valve 6, wherein switch valve 4 is used to control the opening and closing of gas pipeline 15, and pressure reducing valve 6 is used for 15 pressure of regulating gas pipeline.
In one embodiment, igniting pipeline, the other end of the igniting pipeline and institute are connected on above-mentioned mixing chamber 141
State the connection of gas pipeline 15.
Specifically, which is equipped with igniting pipeline valve 3, and igniting pressure reducing valve 5 is additionally provided on pipeline of lighting a fire.
The fire rod 1 lights combustion gas in mixing chamber 141, and gas control valve 2 controls the flow of combustion gas, igniting pipeline valve
3 light gas circuit with the igniting composition of pressure reducing valve 5, and gas flow is fired at control point.
In one embodiment, above-mentioned gas pipeline 15 is equipped with quick action emergency valve 8, quick action emergency valve 8 and the igniting
Pipeline connection, which is passed through pipeline in emergency circumstances cutting combustion gas, to improve the safety of whole system.
The detecting head of detector 13 acquires the smoke components in combustion chamber 14 in real time, and transfers data to controller 10,
Close loop control circuit is formed, high control precision is mentioned, meets requirement of real-time；Specifically, the speed of frequency conversion fan 11 is by controller
10 data detected according to detector 13 and air-fuel ratio Setting signal amount control, and make the ingredient of air and fuel in combustion chamber 14
Reach optimal air-fuel ratio.
In the present embodiment, above-mentioned controller 10 can individually regulating gas control valve 2 and air shut-off valve door 12, and
By real-time detection smoke components, air-fuel ratio is made to reach optimal state, proposes high control precision and efficiency of energy utilization, control spirit
It is living.
The above-mentioned air-fuel ratio regulation system based on frequency conversion fan, by being set on air pipeline 16 and gas pipeline 15
Linkage valve is set, by the smoke components in the detecting head real-time detection combustion chamber 14 of detector 13, and the data transmission that will test
To controller 10, the speed for the frequency conversion fan 11 connecting with air pipeline 16 is adjusted according to the data of detection by controller 10, with
Air mass flow is adjusted, so that air-fuel ratio reaches preferable state, uses the speed of control frequency conversion fan 11 to adjust air mass flow
It can be improved control precision, and adjust simple, whole system structure is simple, and the maintenance time period is short and repeated height.
The above-mentioned technology contents that the utility model is only further illustrated with embodiment, in order to which reader is easier to understand,
But the embodiments of the present invention is not represented is only limitted to this, any technology done according to the utility model extends or recreation,
By the protection of the utility model.The protection scope of the utility model is subject to claims.
Claims (8)
1. the air-fuel ratio regulation system based on frequency conversion fan, which is characterized in that including controller, detector, combustion chamber, frequency conversion wind
Machine, air pipeline and gas pipeline, the air pipeline and the gas pipeline are described respectively with the combustion chamber
Detector is equipped with detecting head, and the detecting head is embedded in the combustion chamber, and the air pipeline is far from the combustion chamber
One end connects frequency conversion fan, and the gas pipeline and the air pipeline are equipped with linkage valve；It is the linkage valve, described
Frequency conversion fan and the detector are connect with the controller respectively.
2. the air-fuel ratio regulation system according to claim 1 based on frequency conversion fan, which is characterized in that the linkage valve
Air shut-off valve door, the gas control valve on gas pipeline and valve including being set on air pipeline are connected
Bar, the air shut-off valve door and the gas control valve are connect by the valve bar that is connected, the combustion gas control
Valve is connect with the controller.
3. the air-fuel ratio regulation system according to claim 2 based on frequency conversion fan, which is characterized in that the combustion chamber
Side, which extends outwardly, mixing chamber, and the air pipeline and the gas pipeline are connected to the mixing chamber respectively.
4. the air-fuel ratio regulation system according to claim 3 based on frequency conversion fan, which is characterized in that the gas pipeline
On be additionally provided with switch valve.
5. the air-fuel ratio regulation system according to claim 4 based on frequency conversion fan, which is characterized in that the gas pipeline
On be additionally provided with pressure reducing valve.
6. according to the described in any item air-fuel ratio regulation systems based on frequency conversion fan of claim 3 to 5, which is characterized in that institute
It states and is connected with igniting pipeline on mixing chamber, the other end of the igniting pipeline is connected to the gas pipeline.
7. the air-fuel ratio regulation system according to claim 6 based on frequency conversion fan, which is characterized in that the igniting pipeline
It is equipped with igniting pipeline valve.
8. the air-fuel ratio regulation system according to claim 7 based on frequency conversion fan, which is characterized in that the gas pipeline
It is equipped with quick action emergency valve, the quick action emergency valve is connected to the igniting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821375654.2U CN208967838U (en) | 2018-08-24 | 2018-08-24 | Air-fuel ratio regulation system based on frequency conversion fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821375654.2U CN208967838U (en) | 2018-08-24 | 2018-08-24 | Air-fuel ratio regulation system based on frequency conversion fan |
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| Publication Number | Publication Date |
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| CN208967838U true CN208967838U (en) | 2019-06-11 |
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| CN201821375654.2U Active CN208967838U (en) | 2018-08-24 | 2018-08-24 | Air-fuel ratio regulation system based on frequency conversion fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396921A (en) * | 2020-04-04 | 2020-07-10 | 天津津滨石化设备有限公司 | High-efficient low-nitrogen condensing furnace |
| CN111940481A (en) * | 2020-07-02 | 2020-11-17 | 上海市政工程设计研究总院（集团）有限公司 | Contaminated site normal position gas thermal desorption repair system |
| CN111940482A (en) * | 2020-07-02 | 2020-11-17 | 上海市政工程设计研究总院（集团）有限公司 | Air-fuel ratio control method for in-situ gas thermal desorption remediation of polluted soil |
-
2018
- 2018-08-24 CN CN201821375654.2U patent/CN208967838U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396921A (en) * | 2020-04-04 | 2020-07-10 | 天津津滨石化设备有限公司 | High-efficient low-nitrogen condensing furnace |
| CN111396921B (en) * | 2020-04-04 | 2022-03-18 | 天津津滨石化设备有限公司 | High-efficient low-nitrogen condensing furnace |
| CN111940481A (en) * | 2020-07-02 | 2020-11-17 | 上海市政工程设计研究总院（集团）有限公司 | Contaminated site normal position gas thermal desorption repair system |
| CN111940482A (en) * | 2020-07-02 | 2020-11-17 | 上海市政工程设计研究总院（集团）有限公司 | Air-fuel ratio control method for in-situ gas thermal desorption remediation of polluted soil |
| CN111940482B (en) * | 2020-07-02 | 2023-10-10 | 上海市政工程设计研究总院（集团）有限公司 | Air-fuel ratio control method for in-situ gas thermal desorption remediation of polluted soil |
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