CN202813424U - Air flow section adjusting device - Google Patents
Air flow section adjusting device Download PDFInfo
- Publication number
- CN202813424U CN202813424U CN 201220380921 CN201220380921U CN202813424U CN 202813424 U CN202813424 U CN 202813424U CN 201220380921 CN201220380921 CN 201220380921 CN 201220380921 U CN201220380921 U CN 201220380921U CN 202813424 U CN202813424 U CN 202813424U
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- CN
- China
- Prior art keywords
- air
- adjusting device
- crank
- activity adjustment
- adjustment spare
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides an air flow section adjusting device which comprises a casing provided with an air inlet and an air outlet. An air adjusting door is arranged at the air inlet, a driving device, a driving crank handle, a crank handle connection rod, a linkage crank handle, a movable piece pull rod and a movable piece are arranged in the casing. The air adjusting door is connected with the driving device, one end of the driving crank handle is connected with the driving device, the other end of the driving crank handle is connected with the linkage crank handle connected with the movable piece through the movable piece pull rod, an inclined face diameter reducing adjusting device is arranged at the air outlet, and the top end of the movable piece is inserted in the inclined face diameter reducing adjusting device in the shape of a tapered tube. The air flow section adjusting device is capable of adjusting air inlet quantity with opening and closing of an air door plate at the air inlet when conducting load adjustment of a burner and simultaneously capable of synchronously adjusting size of the section of the air outlet of a flame tube, and ensures that air speed at the position of the flame tube is basically not changed when load of the burner is changed.
Description
Technical field
The utility model relates to the circulation of air adjusting device, refers to especially a kind of circulation of air cross section adjusting device.
Background technology
Generally, burner is when carrying out Load Regulation, and its air distribution amount realizes by the switch degree of regulating the air inlet air door plate that just the air distribution cross section at flame tube position is changeless, and namely the busy hour wind speed is the highest, and wind speed is minimum during minimum load.Increase along with burner power output and load regulation range, when carrying out Load Regulation, when particularly being transferred to minimum load, and the air distribution amount hour, flame tube position gas flow rate is excessively low, burned flame can not be blown flame tube, even strile-backs, with burner shell and energy supply vigour part scaling loss and can't use, and can cause security incident, simultaneously, minimum load is difficult to reach required value, and combustion gas and air distribution mixing and combustion efficiency are poor.
The utility model content
In order to address the above problem, the utility model provides a kind of circulation of air cross section adjusting device.A kind of circulation of air cross section adjusting device that the utility model provides, when carrying out the burner Load Regulation, when regulating intake with the switch of air inlet air door plate, size that can adjusted in concert flame tube air outlet cross section, thereby when guaranteeing that the burner payload changes, the wind speed at flame tube place is substantially constant.
The technical solution of the utility model is achieved in that
A kind of circulation of air cross section adjusting device, comprise housing, described housing arranges air inlet and air outlet, described air inlet arranges air register, described enclosure interior arranges drive unit, driving crank, crank connecting link, interlock crank, moving member pull bar and moving member, and described air register is connected with drive unit, and described driving crank one end is connected with drive unit, the other end is connected with the interlock crank by crank connecting link, and described interlock crank is connected with moving member by the moving member pull bar; Described air outlet arranges inclined-plane reducing adjusting device, and described moving member top is plugged in the inclined-plane reducing adjusting device; Described inclined-plane reducing adjusting device is the tubulose with tapering.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, described moving member comprises activity adjustment spare, slide assemblies and gas nozzle, described gas nozzle in a tubular form, slide assemblies is supported in described gas nozzle outer, described gas nozzle is slidingly connected by slide assemblies and activity adjustment spare, described slide assemblies and activity adjustment spare are welded as a whole, described activity adjustment spare is plugged in the inclined-plane reducing adjusting device, described activity adjustment spare is the tubulose with tapering, and the maximum gauge of described activity adjustment spare is less than or equal to the minimum diameter of inclined-plane reducing adjusting device.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, described moving member comprises activity adjustment spare, slide assemblies and rail plate, described rail plate in a tubular form, slide assemblies is supported in described rail plate outer, described sliding rail is slidingly connected by slide assemblies and activity adjustment spare, described slide assemblies and activity adjustment spare are welded as a whole, described activity adjustment spare is plugged in the inclined-plane reducing adjusting device, described activity adjustment spare is the tubulose with tapering, and the maximum gauge of described activity adjustment spare is less than or equal to the minimum diameter of inclined-plane reducing adjusting device.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, described interlock crank comprises the terminal crank, transits back rotating shaft, supporting component and center crank, one end of described terminal crank is connected with the moving member pull bar, the other end is vertically fixed on and transits back in the rotating shaft, and an end of described center crank is connected with crank connecting link, and the other end is vertically fixed on and transits back in the rotating shaft, the described two ends revolution that transits back rotating shaft is installed in supporting component inside, and described supporting component is welded on the housing.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, described drive unit is YE or servomotor.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, air register comprises some Parallel airflow door-plates, and each air door plate vertically position of center line arranges axle of the air door, and the two ends of described axle of the air door are connected by air door linkage and drive unit.
A kind of circulation of air cross section adjusting device that the utility model provides not only can be regulated the switch degree of air inlet air door plate, the size in air outlet cross section meanwhile can also link, effectively regulated the load of burner, when guaranteeing that the burner payload changes, the wind speed at flame tube place is substantially constant.Can guarantee like this that combustion gas and air distribution effectively mix reaches best combustion efficiency, can prevent again the air distribution amount hour burned flame can not strile-back.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the left TV structure schematic diagram of a kind of circulation of air of the utility model cross section adjusting device;
Fig. 2 is the main TV structure schematic diagram of a kind of circulation of air of the utility model cross section adjusting device;
Fig. 3 is that the air outlet flow area of a kind of circulation of air of the utility model cross section adjusting device becomes large local structure for amplifying schematic diagram gradually;
Fig. 4 is the local structure for amplifying schematic diagram that the air outlet flow area of a kind of circulation of air of the utility model cross section adjusting device diminishes gradually.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1-2, a kind of circulation of air cross section adjusting device, comprise housing 15, described housing 15 arranges air inlet and air outlet, described air inlet arranges air register, described housing 15 inside arrange drive unit 11, driving crank 12, crank connecting link 10, interlock crank, moving member pull bar 5 and moving member, described air register is connected with drive unit 11, described driving crank 12 1 ends are connected with drive unit 11, the other end is connected with the interlock crank by crank connecting link 10, and described interlock crank is connected with moving member by moving member pull bar 5; Described air outlet arranges inclined-plane reducing adjusting device 2, and described moving member top is plugged in the inclined-plane reducing adjusting device 2; The tubulose that described inclined-plane reducing adjusting device 2 is with tapering.
When the utility model is used for lower heat of combustion gas, above-mentioned a kind of circulation of air cross section adjusting device, wherein, described moving member comprises activity adjustment spare 1, slide assemblies 3 and gas nozzle 4, described gas nozzle 4 in a tubular form, slide assemblies 3 is supported in described gas nozzle 4 outers, described gas nozzle 4 is slidingly connected by slide assemblies 3 and activity adjustment spare 1, described slide assemblies 3 is welded as a whole with activity adjustment spare 1, described activity adjustment spare 1 is plugged in the inclined-plane reducing adjusting device 2, described activity adjustment spare 1 is the tubulose with tapering, and the maximum gauge of described activity adjustment spare 1 is less than or equal to the minimum diameter of inclined-plane reducing adjusting device 2.
When the utility model is used for burning fuel oil or high heat value gas, above-mentioned a kind of circulation of air cross section adjusting device, wherein, described moving member comprises activity adjustment spare 1, slide assemblies 3 and rail plate 4, described rail plate 4 in a tubular form, slide assemblies is supported in described rail plate 4 outers, described sliding rail 4 is slidingly connected by slide assemblies 3 and activity adjustment spare 1, described slide assemblies 3 is welded as a whole with activity adjustment spare 1, described activity adjustment spare 1 is plugged in the inclined-plane reducing adjusting device 2, described activity adjustment spare 1 is the tubulose with tapering, and the maximum gauge of described activity adjustment spare 1 is less than or equal to the minimum diameter of inclined-plane reducing adjusting device 2.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, described interlock crank comprises terminal crank 6, transits back rotating shaft 8, supporting component 9 and center crank 7, one end of described terminal crank 6 is connected with moving member pull bar 5, the other end is vertically fixed on and transits back in the rotating shaft 8, one end of described center crank 7 is connected with crank connecting link 10, the other end is vertically fixed on and transits back in the rotating shaft 8, the described two ends revolution that transits back rotating shaft 8 is installed in supporting component 9 inside, and described supporting component 9 is welded on the housing 15.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, described drive unit 11 is YE or servomotor.
Above-mentioned a kind of circulation of air cross section adjusting device, wherein, air register comprises some Parallel airflow door-plates 14, and each air door plate 14 vertically position of center line arranges axle of the air door 13, and the two ends of described axle of the air door 13 are connected by air door linkage and drive unit 11.
Driving crank 12 is connected to drive unit 11(servomotor or the automatic executive device that drives air register) on, realize interlock with moving member, when air register is driven, driving crank 12 draws or throw crank connecting rod 10, crank connecting link 10 draws or promotes center crank 7, center crank 7 rotates and transits back rotating shaft 8, transit back rotating shaft 8 and rotate terminal crank 6, terminal crank 6 drives moving member pull bar 5, moving member pull bar 5 draws or promotes moving member, thereby realizes the adjusted in concert in air inlet of combustor and air outlet cross section.
As shown in Figure 3, activity adjustment spare 1 and slide assemblies 3 can be supported on the gas nozzle (perhaps rail plate) 4 by slide assemblies 3, through sliding before and after the push-and-pull of moving member pull bar 5, this position is that air door is opened, it is large that the air inlet flow area becomes gradually, regulating part moves to the direction of arrow simultaneously, and it is large that the air outlet flow area also becomes gradually.
As shown in Figure 4, activity adjustment spare 1 and slide assemblies 3 can be supported on the gas nozzle (perhaps rail plate) 4 by slide assemblies 3, through sliding before and after the push-and-pull of moving member pull bar 5, this position is the air door closing process, the air inlet flow area diminishes gradually, regulating part moves to the direction of arrow simultaneously, and the air outlet flow area also diminishes gradually.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. circulation of air cross section adjusting device, comprise housing, described housing arranges air inlet and air outlet, described air inlet arranges air register, it is characterized in that, described enclosure interior arranges drive unit, driving crank, crank connecting link, interlock crank, moving member pull bar and moving member, described air register is connected with drive unit, described driving crank one end is connected with drive unit, and the other end is connected with the interlock crank by crank connecting link, and described interlock crank is connected with moving member by the moving member pull bar; Described air outlet arranges inclined-plane reducing adjusting device, and described moving member top is plugged in the inclined-plane reducing adjusting device; Described inclined-plane reducing adjusting device is the tubulose with tapering.
2. a kind of circulation of air according to claim 1 cross section adjusting device, it is characterized in that, described moving member comprises activity adjustment spare, slide assemblies and gas nozzle, described gas nozzle in a tubular form, slide assemblies is supported in described gas nozzle outer, described gas nozzle is slidingly connected by slide assemblies and activity adjustment spare, described slide assemblies and activity adjustment spare are welded as a whole, described activity adjustment spare is plugged in the inclined-plane reducing adjusting device, described activity adjustment spare is the tubulose with tapering, and the maximum gauge of described activity adjustment spare is less than or equal to the minimum diameter of inclined-plane reducing adjusting device.
3. a kind of circulation of air according to claim 1 cross section adjusting device, it is characterized in that, described moving member comprises activity adjustment spare, slide assemblies and rail plate, described rail plate in a tubular form, slide assemblies is supported in described rail plate outer, described sliding rail is slidingly connected by slide assemblies and activity adjustment spare, described slide assemblies and activity adjustment spare are welded as a whole, described activity adjustment spare is plugged in the inclined-plane reducing adjusting device, described activity adjustment spare is the tubulose with tapering, and the maximum gauge of described activity adjustment spare is less than or equal to the minimum diameter of inclined-plane reducing adjusting device.
4. a kind of circulation of air according to claim 1 cross section adjusting device, it is characterized in that, described interlock crank comprises the terminal crank, transits back rotating shaft, supporting component and center crank, one end of described terminal crank is connected with the moving member pull bar, the other end is vertically fixed on and transits back in the rotating shaft, one end of described center crank is connected with crank connecting link, the other end is vertically fixed on and transits back in the rotating shaft, the described two ends revolution that transits back rotating shaft is installed in supporting component inside, and described supporting component is welded on the housing.
5. a kind of circulation of air according to claim 1 cross section adjusting device is characterized in that described drive unit is YE or servomotor.
6. a kind of circulation of air according to claim 1 cross section adjusting device, it is characterized in that, air register comprises some Parallel airflow door-plates, and each air door plate vertically position of center line arranges axle of the air door, and the two ends of described axle of the air door are connected by air door linkage and drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380921 CN202813424U (en) | 2012-08-03 | 2012-08-03 | Air flow section adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380921 CN202813424U (en) | 2012-08-03 | 2012-08-03 | Air flow section adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202813424U true CN202813424U (en) | 2013-03-20 |
Family
ID=47872289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220380921 Withdrawn - After Issue CN202813424U (en) | 2012-08-03 | 2012-08-03 | Air flow section adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202813424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175210A (en) * | 2013-04-15 | 2013-06-26 | 中国船舶重工集团公司第七�三研究所 | Air blocking device with single pull rod |
| CN103574634A (en) * | 2012-08-03 | 2014-02-12 | 江阴德尔热能机械有限公司 | Air circulation cross-section adjusting device |
-
2012
- 2012-08-03 CN CN 201220380921 patent/CN202813424U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574634A (en) * | 2012-08-03 | 2014-02-12 | 江阴德尔热能机械有限公司 | Air circulation cross-section adjusting device |
| CN103175210A (en) * | 2013-04-15 | 2013-06-26 | 中国船舶重工集团公司第七�三研究所 | Air blocking device with single pull rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |