CN204026723U - A kind of symmetrical air door and use the turbulent burner of this air door - Google Patents
A kind of symmetrical air door and use the turbulent burner of this air door Download PDFInfo
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- CN204026723U CN204026723U CN201420441020.8U CN201420441020U CN204026723U CN 204026723 U CN204026723 U CN 204026723U CN 201420441020 U CN201420441020 U CN 201420441020U CN 204026723 U CN204026723 U CN 204026723U
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- air door
- installing rack
- elongated hole
- connecting plate
- positioning seat
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Abstract
The utility model discloses a kind of symmetrical air door and use the turbulent burner of this air door, comprise two dampers that are symmetrically set in side by side in airduct or bellows, adjusting device, adjusting device comprises installing rack, be fixed on the adapter sleeve on installing rack, the positioning seat being connected with adapter sleeve, in positioning seat, establish shoulder hole, positioning seat internal clearance be provided with adjusting nut, adjusting nut is axially located, in adjusting nut, be connected with screw rod, one end of screw rod connects firmly through installing rack and connecting plate, connecting plate two ends are equipped with elongated hole, that in elongated hole, all slides is provided with a bearing pin, one end of this bearing pin all connects firmly with swing arm separately, the other end of swing arm connects with rotating shaft separately, rotating shaft connects with damper separately.The utility model can amplify driving force (square) at double, alleviate manual operation intensity, can avoid air door to lose regulatory function because of mechanism kinematic bite, and the reliability of positioning of damper is good, accurate positioning, and can realize air intake and be uniformly distributed circumferentially, ensure the serviceability of burner.
Description
Technical field
The utility model relates to a kind of symmetrical air door and uses the turbulent burner of this air door.
Background technology
Air door is widely used in the bellows and various burner in field of boilers, and air door is to regulate intake by the circulation area of its adjusting device change air intake passage.Particularly, for circular cyclone formula burner, center is fuel channel, and its periphery is annular passage, and burner air intake, through producing and rotatablely move after the rotational flow generator in annular passage, has certain swirl strength; For ensureing combustibility, the air quantity in annular passage should be uniformly distributed circumferentially.The air door pattern using at present, air door pattern especially for vortex burner has telescopic, end plate type and circumferential uniform vane type, the regulative mode of these throttle openings has axially plug-type (sleeve, end plate type) and rotary type (sleeve, circumferential uniform vane type), air door is by through blast pipe and burner panel extends to outside pull bar or rotating shaft is driven, by artificial or actuator, pull bar or rotating shaft are applied to driving force (square), the adjusting device of these dampers itself does not have driving force (square) and drives the enlarging function of stroke, due to pull bar or shaft length longer, turbulent burner itself is again large size, thin walled element, they are all easily in transport and installation process, in the running of cold and hot checker, air door regulates in loading process and under the effect of some other factor and is out of shape, while causing damper movement, mechanism's bite is until stuck, for the most frequently used manual adjustments air door, if artificial applied driving force (square) can not be significantly enlarged, so because manpower is limit, driving force (square) is often difficult to overcome the resistance of motion after mechanism's bite, cause that equipment is in service usually occurs that air door is difficult to regulate, lose the situation of regulatory function, cause very large negative impact to economy, the safe operation of boiler and burner.In addition, owing to regulating, required power (square) is large, driving stroke is little (driving stroke to equate with air door stroke), and in manual adjustments process, air door is difficult to accurately be located, and brings very big inconvenience to the operation adjustment of equipment; For two air door structures, existing adjusting device all makes the two damper rotating in same directions that are arranged side by side, two dampers are all to lopsidedness, its blast pipe is inherent so upwards can form bias current in week, when for turbulent burner, can affect the air intake of annular passage along the uniformity circumferentially distributing, reduce swirl strength, cannot ensure the serviceability of burner.
Utility model content
For the technical problem of above-mentioned existence, the utility model provides a kind of symmetrical air door and uses the turbulent burner of this air door, the adjusting device of symmetrical air door can be amplified driving force (square) at double, alleviate manual operation intensity, can avoid air door in the time of manual adjustments because mechanism kinematic bite is lost regulatory function, and the reliability of positioning of damper is good, accurate positioning, and can realizes air intake and be uniformly distributed circumferentially, ensure the serviceability of burner.
In order to achieve the above object, symmetrical air door of the present utility model, comprise two dampers that are symmetrically set in side by side in airduct or bellows, adjusting device, it is characterized in that: adjusting device comprises fixing installing rack, be fixed on the adapter sleeve on installing rack, the positioning seat being connected with adapter sleeve, in positioning seat, establish shoulder hole, positioning seat internal clearance be provided with adjusting nut, shoulder on adjusting nut is stuck between adapter sleeve and the both ends of the surface of positioning seat shoulder hole, in adjusting nut, be provided with screw rod, one end of screw rod connects firmly through installing rack and connecting plate, connecting plate two ends are provided with elongated hole, that in elongated hole, all slides is provided with a bearing pin, one end of this bearing pin all connects firmly with swing arm separately, the other end of swing arm connects with air door rotating shaft separately, air door rotating shaft connects with damper separately through airduct,
Use the turbulent burner of above-mentioned symmetrical air door, comprise panel, with interior to an outer sheathed airduct successively, secondary air channel and tertiary-air pipe, in an airduct, be provided with connected nozzle and cartridge, in secondary air channel, be provided with cyclone, tertiary-air pipe is associated with at least two blast pipes uniform on circumference, in every blast pipe, be all arranged with side by side two dampers, two dampers are provided with adjusting device, it is characterized in that: adjusting device comprises fixing installing rack, be fixed on the adapter sleeve on installing rack, the positioning seat being connected with adapter sleeve, in positioning seat, establish shoulder hole, positioning seat internal clearance be provided with adjusting nut, shoulder on adjusting nut is stuck between adapter sleeve and the both ends of the surface of positioning seat shoulder hole, in adjusting nut, be provided with screw rod, one end of screw rod connects firmly through installing rack and connecting plate, connecting plate two ends are provided with elongated hole, that in elongated hole, all slides is provided with a bearing pin, one end of this bearing pin all connects firmly with swing arm separately, the other end of swing arm connects with rotating shaft separately, rotating shaft connects with damper separately through blast pipe,
When use, by rotating forward or backwards adjusting nut, because the shoulder on adjusting nut is stuck between adapter sleeve and the both ends of the surface of positioning seat shoulder hole, adjusting nut can not move axially, and therefore oppositely lead-screw moves forward or retreats, and screw rod drives connecting plate to move, connecting plate promotes two bearing pins, swing arm and air door rotating shaft again and rotates, and rotate backward by final two dampers that drive of rotating shaft, in swing arm rotation process, bearing pin vertically slides in elongated hole; This air door is controlled the displacement of screw rod and connecting plate by screw thread transmission by adjusting nut, can amplify at double driving force (square) and drive the ratio of stroke and damper stroke, not only alleviate manual operation intensity, can avoid manual adjustments air door to make and lose regulatory function because of mechanism kinematic bite, and damper rotational angle can precise positioning, bring convenience to the operation adjustment of equipment, this screw thread transmission can adopt self-locking thread, can prevent from climbing and move the reversion causing, location is reliable; Rotate because connecting plate drives two damper synchronous backwards, and can realize air intake and be uniformly distributed circumferentially; Turbulent burner is due to the uniform blast pipe that arranges on circumference, and every blast pipe adopts above-mentioned symmetrical air door, can ensure that circular air inlet is uniformly distributed circumferentially, and ensures the serviceability of swirl strength and burner;
Preferred as one, on installing rack, be also installed with the guide pad with chute, chute and screw rod in the same way, are installed with the slide block coordinating with chute on connecting plate; Can accurately lead to the movement of connecting plate, improve positioning precision;
Preferred as one, on slide block, be provided with two rolling bearings, two rolling bearings coordinate with the two side of chute; Can reduce frictionalwear;
Preferred as one, described connecting plate is also fixedly connected with positioning screw, and one end of positioning screw, through the elongated hole on installing rack, is provided with two locking nuts on the positioning screw of these elongated hole both sides; After two dampers rotate in place, rotate two locking nuts to clamp installing rack, can locate connecting plate, further ensure reliable location;
Preferred as one, on the positioning screw between two locking nuts, be installed with pointer, on the installing rack of elongated hole side, be provided with scale; Can intuitively show the rotational angle of two dampers;
In sum, the adjusting device of symmetrical air door of the present utility model can be amplified driving force (square) at double, alleviate manual operation intensity, can avoid air door in the time of manual adjustments because mechanism kinematic bite is lost regulatory function, and the reliability of positioning of damper is good, accurate positioning, and can realize air intake and be uniformly distributed circumferentially, ensure the serviceability of burner.
Brief description of the drawings
Fig. 1 is the front view that uses the turbulent burner of symmetrical air door.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the enlarged drawing of a symmetrical air door in Fig. 2.
Fig. 4 is A place partial enlarged drawing in Fig. 1.
Fig. 5 is that the B of Fig. 4 is to view.
State diagram when Fig. 6 is symmetrical full trrottle.
State diagram when Fig. 7 is symmetrical air door complete shut-down.
Fig. 8 is the enlarged drawing of thread transmission in Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 1 to 8, the turbulent burner of this symmetry air door, comprise panel 1, with interior to an outer sheathed airduct 2 successively, secondary air channel 3 and tertiary-air pipe 4, in an airduct 2, be provided with connected nozzle 5 and cartridge 6, an airduct 2, secondary air channel 3 and cartridge 6 are all coupled on panel 1, secondary air channel 3 and tertiary-air pipe 4 are connected by support 9, in secondary air channel, 3 are provided with cyclone 7, tertiary-air pipe 4 is associated with two blast pipes 8 that are arranged symmetrically with on circumference, at interior two dampers 10 that are all arranged with side by side of every blast pipe 8, two dampers 10 are provided with adjusting device 11, adjusting device 11 comprises the installing rack 18 being fixed on panel 1, be fixed on the adapter sleeve 13 on installing rack 18, the positioning seat 15 being connected by screw thread with adapter sleeve 13, in positioning seat 15, establish shoulder hole, positioning seat 15 internal clearances be provided with adjusting nut 16, adjusting nut 16 is provided with shoulder, its shoulder is stuck between adapter sleeve 13 and the both ends of the surface of positioning seat 15 shoulder holes, in adjusting nut 16, be connected with screw rod 17, one end of screw rod 17 connects firmly through installing rack 18 and connecting plate 19, connecting plate 19 two ends are provided with elongated hole 20, elongated hole 20 is interior all slide be provided with a bearing pin 21, one end of this bearing pin 21 all connects firmly with swing arm 22 separately, the other end of swing arm 22 connects with rotating shaft separately 23, rotating shaft 23 connects with damper 10 separately through blast pipe 8, on installing rack 18, be also installed with the guide pad 24 with chute, chute and screw rod 17 in the same way, are installed with two slide blocks 26 that coordinate with chute on connecting plate 19, be provided with two rolling bearing 27, two rolling bearings 27 and coordinate with the two side of chute on each slide block 26, described connecting plate 19 lower ends are also fixedly connected with positioning screw 28, and the lower end of positioning screw 28 is through the elongated hole 29 on installing rack 18, and elongated hole 29 and screw rod 17 in the same way, are provided with two locking nuts 30 on the positioning screw 28 of these elongated hole both sides Shang Xia 29, on the positioning screw 28 between two locking nuts 30, be installed with pointer 31, on the installing rack 18 of elongated hole 29 1 sides, be provided with scale 12,
When use, by rotating forward or backwards adjusting nut 16, because the shoulder on adjusting nut 16 is stuck between adapter sleeve 13 and the both ends of the surface of positioning seat 15 shoulder holes, adjusting nut 16 can not move axially, therefore oppositely lead-screw 17 moves forward or retreats, screw rod 17 drives connecting plate 19 to move, connecting plate 19 promotes two bearing pins 21 again, swing arm 22 and rotating shaft 23 are rotated, and rotate backward by final two dampers 13 that drive of rotating shaft 23, in swing arm 22 rotation processes, bearing pin 21 vertically slides in elongated hole 20, after two dampers 10 rotate in place, rotate two locking nuts 30 to clamp installing rack 18, can locate connecting plate 19, pointer 31 can intuitively show the rotational angle of two dampers 10, this throttle setting is controlled the displacement of screw rod 17 and connecting plate 19 by screw thread transmission by adjusting nut 16, can amplify at double driving force (square) and drive the ratio of stroke and damper 10 strokes, not only alleviate manual operation intensity, can avoid manual adjustments air door to make and lose regulatory function because of mechanism kinematic bite, this screw thread transmission can adopt self-locking thread, can prevent from climbing and move the reversion causing, add that damper 10 rotational angles can be by two locking nut 30 precise positionings, bring convenience to the operation adjustment of equipment, because driving two damper 10 synchronous backwards, connecting plate 19 rotates, and can realize air intake and be uniformly distributed circumferentially, add uniform two blast pipes 8 that arrange on circumference, every blast pipe 8 adopts above-mentioned symmetrical air door 10, can ensure that circular air inlet is uniformly distributed circumferentially, ensure the serviceability of swirl strength and burner,
Symmetrical air door (i.e. two dampers 10 and adjusting device 11) in above-described embodiment also can be used for other place, in other airduct of boiler or bellows, also belongs to protection domain of the present utility model.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a symmetrical air door, comprise two dampers that are symmetrically set in side by side in airduct or bellows, adjusting device, it is characterized in that: adjusting device comprises fixing installing rack, be fixed on the adapter sleeve on installing rack, the positioning seat being connected with adapter sleeve, in positioning seat, establish shoulder hole, positioning seat internal clearance be provided with adjusting nut, shoulder on adjusting nut is stuck between adapter sleeve and the both ends of the surface of positioning seat shoulder hole, in adjusting nut, be connected with screw rod, one end of screw rod connects firmly through installing rack and connecting plate, connecting plate two ends are equipped with elongated hole, that in elongated hole, all slides is provided with a bearing pin, one end of this bearing pin all connects firmly with swing arm separately, the other end of swing arm connects with rotating shaft separately, rotating shaft connects with damper separately through blast pipe.
2. the symmetrical air door of one according to claim 1, is characterized in that: on installing rack, be also installed with the guide pad with chute, chute and screw rod in the same way, are installed with the slide block coordinating with chute on connecting plate.
3. according to the symmetrical air door of the one described in claim 2, it is characterized in that: on slide block, be provided with two rolling bearings, two rolling bearings coordinate with the two side of chute.
4. according to the symmetrical air door of the arbitrary described one of claim 1 to 3, it is characterized in that: described connecting plate is also fixedly connected with positioning screw, one end of positioning screw, through the elongated hole on installing rack, is provided with two locking nuts on the positioning screw of these elongated hole both sides.
5. the symmetrical air door of one according to claim 4, is characterized in that: on the positioning screw between two locking nuts, be installed with pointer, on the installing rack of elongated hole side, be provided with scale.
6. use the turbulent burner of symmetrical air door as claimed in claim 1, comprise panel, with interior to an outer sheathed airduct successively, secondary air channel and tertiary-air pipe, in an airduct, be provided with connected nozzle and cartridge, in secondary air channel, be provided with cyclone, tertiary-air pipe is associated with at least two blast pipes uniform on circumference, in every blast pipe, be all arranged with side by side two dampers, two dampers are provided with adjusting device, it is characterized in that: adjusting device comprises fixing installing rack, be fixed on the adapter sleeve on installing rack, the positioning seat being connected with adapter sleeve, in positioning seat, establish shoulder hole, positioning seat internal clearance be provided with adjusting nut, shoulder on adjusting nut is stuck between adapter sleeve and the both ends of the surface of positioning seat shoulder hole, in adjusting nut, be connected with screw rod, one end of screw rod connects firmly through installing rack and connecting plate, connecting plate two ends are provided with elongated hole, that in elongated hole, all slides is provided with a bearing pin, one end of this bearing pin all connects firmly with swing arm separately, the other end of swing arm connects with rotating shaft separately, rotating shaft connects with damper separately through blast pipe.
7. use as claimed in claim 6 the turbulent burner of symmetrical air door, it is characterized in that: on installing rack, be also installed with the guide pad with chute, chute and screw rod are in the same way, on connecting plate, be installed with guide pad, on guide pad, be provided with two rolling bearings, two rolling bearings coordinate with the two side of chute.
8. as described in claim 6 or 7, use the turbulent burner of symmetrical air door, it is characterized in that: described connecting plate is also fixedly connected with positioning screw, one end of positioning screw, through the elongated hole on installing rack, is provided with two locking nuts on the positioning screw of these elongated hole both sides.
9. the turbulent burner that uses as claimed in claim 8 symmetrical air door, is characterized in that: on the positioning screw between two locking nuts, be installed with pointer, on the installing rack of elongated hole side, be provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441020.8U CN204026723U (en) | 2014-08-07 | 2014-08-07 | A kind of symmetrical air door and use the turbulent burner of this air door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441020.8U CN204026723U (en) | 2014-08-07 | 2014-08-07 | A kind of symmetrical air door and use the turbulent burner of this air door |
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| CN204026723U true CN204026723U (en) | 2014-12-17 |
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| CN201420441020.8U Active CN204026723U (en) | 2014-08-07 | 2014-08-07 | A kind of symmetrical air door and use the turbulent burner of this air door |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059944A (en) * | 2015-08-14 | 2015-11-18 | 北京华清茵蓝科技有限公司 | Pneumatic conveying powder flowing speed adjusting device with adjustable double side baffle plates |
| CN110131747A (en) * | 2019-03-30 | 2019-08-16 | 中韩(武汉)石油化工有限公司 | The burner throttle baffle plate adjusting device of negative pressure furnace with multiple burners |
| CN111765490A (en) * | 2020-06-22 | 2020-10-13 | 哈尔滨锅炉厂有限责任公司 | Pull rod adjusting mechanism of cyclone burner |
-
2014
- 2014-08-07 CN CN201420441020.8U patent/CN204026723U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059944A (en) * | 2015-08-14 | 2015-11-18 | 北京华清茵蓝科技有限公司 | Pneumatic conveying powder flowing speed adjusting device with adjustable double side baffle plates |
| CN105059944B (en) * | 2015-08-14 | 2017-12-08 | 北京华清茵蓝科技有限公司 | A kind of adjustable Geldart-D particle powder flow rate adjusting means of bilateral baffle plate |
| CN110131747A (en) * | 2019-03-30 | 2019-08-16 | 中韩(武汉)石油化工有限公司 | The burner throttle baffle plate adjusting device of negative pressure furnace with multiple burners |
| CN111765490A (en) * | 2020-06-22 | 2020-10-13 | 哈尔滨锅炉厂有限责任公司 | Pull rod adjusting mechanism of cyclone burner |
| CN111765490B (en) * | 2020-06-22 | 2022-09-27 | 哈尔滨锅炉厂有限责任公司 | Pull rod adjusting mechanism of cyclone burner |
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