CN209672364U - Coal-burning boiler secondary air bellow dust stratification cleaning plant - Google Patents
Coal-burning boiler secondary air bellow dust stratification cleaning plant Download PDFInfo
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- CN209672364U CN209672364U CN201920376424.6U CN201920376424U CN209672364U CN 209672364 U CN209672364 U CN 209672364U CN 201920376424 U CN201920376424 U CN 201920376424U CN 209672364 U CN209672364 U CN 209672364U
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- secondary air
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Abstract
The utility model relates to coal-burning boiler fields, provide a kind of coal-burning boiler secondary air bellow dust stratification cleaning plant, comprising: secondary air bellow, the secondary air bellow include inner and outer wall, and multiple air inlets are equipped at intervals on the outer wall;Cleaning mechanism, the cleaning mechanism includes multiple cleaning units, the cleaning unit includes rotation axis and multiple spiral fans, the cleaning mechanism is rotatably coupled with the secondary air bellow, multiple spiral fans are arranged along the rotation axis rotational symmetry, and the bottom that the spiral fan rotates the circuit orbit to be formed and the secondary air bellow is tangent.The utility model is rotated using the Secondary Air driving cleaning mechanism for entering secondary air bellow by the way that cleaning mechanism is arranged in secondary air bellow, reaches energy-efficient purpose;Air-flow is generated during by setting spiral fan cleaning mechanism being rotated, disturbance is generated to the dust stratification of dead end of cleanning in secondary air bellow, improves cleaning quality.
Description
Technical field
The utility model relates to coal-burning boiler field, in particular to a kind of coal-burning boiler secondary air bellow dust stratification cleaning dress
It sets.
Background technique
Coal-burning boiler is the heat power equipment that working-medium water is heated to certain parameter steam using the thermal energy of coal dust firing release,
Coal dust firing needs a large amount of oxygen, and secondary air bellow is that coal dust firing provides the channel of air circulation into furnace.
In boiler actual moving process, a large amount of dust deposit is had in secondary air bellow, leads to secondary air flow not
Foot, boiler efficiency decline, influence the safe and economical operation of boiler controller system, in the prior art, are existed by driving device driving setting
Cleaning mechanism rotation in secondary air bellow, one side driving device consume additional electric energy, on the other hand, cleaning mechanism meeting two
The edge of secondary wind bellows leaves dead end of cleanning, and dust stratification cleaning is not clean.
Therefore, the deashing process energy conservation of secondary air bellow, cleaning dust stratification become the problem of people think deeply without dead angle.
Utility model content
In view of this, the utility model is directed to a kind of coal-burning boiler secondary air bellow dust stratification cleaning plant, the fire coal
Boiler secondary air bellows dust stratification cleaning plant utilizes entrance secondary air bellow by the way that cleaning mechanism is arranged in secondary air bellow
Secondary Air drives cleaning mechanism rotation, reaches energy-efficient purpose;The process for by the way that spiral fan is arranged cleaning mechanism being rotated
Middle generation air-flow generates disturbance to the dust stratification of dead end of cleanning in secondary air bellow, improves cleaning quality.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of coal-burning boiler secondary air bellow dust stratification cleaning plant, comprising:
Secondary air bellow, the secondary air bellow include inner and outer wall, and multiple air inlets are equipped at intervals on the outer wall;
Cleaning mechanism, the cleaning mechanism include multiple cleaning units, cleaning unit setting the air inlet with
Between the inner wall, the cleaning unit includes rotation axis and multiple spiral fans, the cleaning mechanism and the Secondary Air wind
Case is rotatably coupled, and multiple spiral fans are arranged along the rotation axis rotational symmetry, and the spiral fan rotates to be formed
Circuit orbit and the secondary air bellow bottom it is tangent.
Preferably, the rotation axis outer wall setting in parallel.
Preferably, multiple cleaning units are arranged along same straight line, the screw fan of multiple cleaning units
The tilt angle of leaf is identical.
Preferably, it is connected with each other between the rotation axis of the adjacent two cleaning units.
Preferably, the coal-burning boiler secondary air bellow cleaning plant further includes flabellum regulating mechanism, and the flabellum is adjusted
Mechanism and the spiral fan, including adjust motor, slider-crank mechanism, connection ring, multiple connecting rods and multiple interlocking bar, institute
Stating slider-crank mechanism includes crank, connecting rod and sliding block, and the adjusting motor is fixed in the secondary air bellow, the adjusting
The shaft of motor is fixedly connected with the crank, and the both ends of the connecting rod are hinged respectively at the crank and the sliding block, described
Sliding block is rotatably connected with the connection ring, and the sliding block is set in the periphery of the rotation axis, and the connection ring is fixed on institute
State the periphery of rotation axis, the spiral fan is rotatably coupled in the rotation axis, the both ends of the connecting rod respectively with
The spiral fan of the connection ring and the close connection ring is hinged, and multiple connecting rods are along rotation axis rotation pair
Claiming, the hinge joint of the connecting rod and the spiral fan is located at a bit except the pivot center of the spiral fan rotation,
The spiral fan of multiple cleaning units is hinged with the interlocking bar respectively, one end of the interlocking bar and the connection
Bar is hinged.
Preferably, the both ends of the rotation axis are connect with the inner wall and the outer wall respectively.
Preferably, the rotation axis vertically outer wall setting.
Preferably, the tilt angle of the spiral fan of multiple cleaning units is identical.
Compared with the existing technology, the coal-burning boiler secondary air bellow dust stratification cleaning plant of the utility model passes through in Secondary Air
Cleaning mechanism is set in bellows, is rotated using the Secondary Air driving cleaning mechanism for entering secondary air bellow, cleaning mechanism will be secondary
Dust stratification in wind bellows raises, so that dust stratification can be transferred to secondary air bellow with Secondary Air out of secondary air bellow
Outside, reach energy-efficient purpose;Air-flow is generated during by setting spiral fan cleaning mechanism being rotated, to Secondary Air wind
The dust stratification of dead end of cleanning generates disturbance in case, and air-flow recycles in secondary air bellow, drives dust and dust stratification movement, dust and product
Ash is finally transferred to outside to secondary air bellow with Secondary Air, improves cleaning quality.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is that a kind of structure of embodiment of the coal-burning boiler secondary air bellow dust stratification cleaning plant of the utility model is shown
It is intended to;
Fig. 2 is the structure of the another embodiment of the coal-burning boiler secondary air bellow dust stratification cleaning plant of the utility model
Schematic diagram.
Description of symbols:
1 secondary air bellow, 2 cleaning mechanism
3 flabellum regulating mechanism, 11 inner wall
12 outer wall, 13 air inlet
21 cleaning 211 rotation axis of unit
212 spiral fans 31 adjust motor
32 slider-crank mechanism, 33 connection ring
34 connecting rod, 35 interlocking bar
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usual
Refer to reference to upper and lower, left and right shown in the drawings;" inside and outside " refers to the inside and outside of the profile relative to each component itself.Below will
The utility model is described in detail with reference to attached drawing and in conjunction with embodiment.
The utility model provides a kind of coal-burning boiler secondary air bellow dust stratification cleaning plant, as depicted in figs. 1 and 2, described
Coal-burning boiler secondary air bellow dust stratification cleaning plant includes:
Secondary air bellow 1, the secondary air bellow 1 include inner wall 11 and outer wall 12, are equipped at intervals on the outer wall 12 more
A air inlet 13, it is preferable that the multiple air inlets 13 are along lineal layout;
Cleaning mechanism 2, the cleaning mechanism 2 include multiple cleaning units, and the cleaning unit is arranged in the air inlet
Between 13 and the inner wall 11, the cleaning unit includes rotation axis 211 and multiple spiral fans 212, the cleaning mechanism 2 with
The secondary air bellow 1 is rotatably coupled, and multiple spiral fans 212 are symmetrically arranged along the rotation axis 211, institute
The bottom for stating circuit orbit and the secondary air bellow 1 that the rotation of spiral fan 212 is formed is tangent, and the spiral fan 212 exists
In 211 rotation process of rotation axis, the air-flow along 211 axis direction of rotation axis can be generated.
The 1 dust stratification cleaning plant of coal-burning boiler secondary air bellow of the utility model is clear by being arranged in secondary air bellow 1
Mechanism 2 is managed, is rotated using the Secondary Air driving cleaning mechanism 2 for entering secondary air bellow 1, cleaning mechanism 2 will be in secondary air bellow 1
Dust stratification raise so that dust stratification can be transferred to outside secondary air bellow 1 out of secondary air bellow 1 with Secondary Air, reach
To energy-efficient purpose;Air-flow is generated during by setting spiral fan 212 cleaning mechanism 2 being rotated, to Secondary Air wind
The dust stratification of dead end of cleanning generates disturbance in case 1, and air-flow recycles in secondary air bellow 1, drives dust and dust stratification movement, dust and
Dust stratification is finally transferred to outside to secondary air bellow 1 with Secondary Air, improves cleaning quality.
A kind of embodiment according to the present utility model, the parallel outer wall 12 of the rotation axis 211 are arranged.It is such to set
Circulating resistance of the air-flow that can reduce the cleaning unit generation in the secondary air box is set, enhances air-flow to secondary air box
The disturbance of interior dust and dust accumulation improves cleaning effect.
Among the above, in order to which the direction for the air motion for generating multiple cleaning units is consistent, multiple cleaning unit edges
The tilt angle of the setting of same straight line, the spiral fan 212 of multiple cleaning units is identical, it can be understood as, it is more
A cleaning unit is arranged, such setting under same posture along same linear interval, so that multiple cleaning units generated
Air-flow forms a circuit in secondary air bellow 1, is conducive to the circulation and circulation of air-flow, to further enhance to Secondary Air
The disturbance of dust and dust accumulation in case.
Among the above, in order to rotate synchronously multiple cleaning units, so that the identical air-flow of flow is generated, two adjacent institutes
It states and is connected with each other between the rotation axis 211 of cleaning unit.
In order to adjust the size for the air-flow that cleaning mechanism 2 generates, as shown in Figure 1, the coal-burning boiler secondary air bellow 1 is clear
Managing device further includes flabellum regulating mechanism 3, the flabellum regulating mechanism 3 and the spiral fan 212, including adjusting motor 31,
Slider-crank mechanism 32, connection ring 33, multiple connecting rods 34 and multiple interlocking bar 35, the slider-crank mechanism 32 include song
Handle, connecting rod and sliding block, the adjusting motor 31 are fixed in the secondary air bellow 1, the shaft for adjusting motor 31 and institute
It states crank to be fixedly connected, the both ends of the connecting rod are hinged respectively at the crank and the sliding block, the sliding block and the connection
Ring 33 is rotatably connected, and the sliding block is set in the periphery of the rotation axis 211, and the connection ring 33 is fixed on the rotation axis
211 periphery, the spiral fan 212 are rotatably coupled in the rotation axis 211, the both ends difference of the connecting rod 34
Hinged with the connection ring 33 and close to the spiral fan 212 of the connection ring 33, the multiple connecting rods 34 are along described
The hinge joint of 211 rotational symmetry of rotation axis, the connecting rod 34 and the spiral fan 212 is located at the spiral fan 212 certainly
Turn pivot center except a bit, it is multiple it is described cleaning units the spiral fans 212 respectively with the interlocking bar 35 cut with scissors
It connects, one end of the interlocking bar 35 and the connecting rod 34 are hinged.
Among the above, it is adjusted inside motor 31 in order to avoid dust enters, the periphery for adjusting motor 31 is arranged with anti-
Dirt set, the shaft for adjusting motor 31 are arranged across dirt-proof boot.
As shown in Fig. 2, another embodiment according to the present utility model, the both ends of the rotation axis 211 respectively with institute
It states inner wall 11 and the outer wall 12 connects.So that cleaning elemental area is to air inlet 13, being conducive to cleaning unit has for such setting
Effect utilizes the energy of Secondary Air.
Among the above, in order to which maximumlly using the energy of Secondary Air, the vertical outer wall 12 of the rotation axis 211 is arranged.
Such setting is conducive to clear up the energy that unit maximally utilizes Secondary Air so that cleaning unit face air inlet 13.
Among the above, the tilt angle of the spiral fan 212 of multiple cleaning units is identical.It is such setting so that
The direction for the air-flow that multiple cleaning units generate is identical, improves cleaning effect.
When using 1 dust stratification cleaning plant of coal-burning boiler secondary air bellow described in the utility model, Secondary Air by into
Air port 13 enters in secondary air bellow 1, Secondary Air driving cleaning unit rotational, when clearing up unit rotational, on the one hand, spiral
Flabellum 212 scoops up the dust accumulation for being deposited on 1 bottom of secondary air bellow, and throwing, in the middle and upper part of secondary air box, another aspect is secondary
The dust contained in wind and the dust accumulation being tossed are under the action of the air-flow that Secondary Air and cleaning unit generate in secondary air bellow 1
Interior movement is finally transferred to the outside of secondary air bellow 1, completes the purpose of cleaning dust accumulation.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (8)
1. a kind of coal-burning boiler secondary air bellow dust stratification cleaning plant characterized by comprising
Secondary air bellow (1), the secondary air bellow (1) include inner wall (11) and outer wall (12), are spaced on the outer wall (12)
Equipped with multiple air inlets (13);
Cleaning mechanism (2), the cleaning mechanism (2) include multiple cleaning units (21), and the cleaning unit (21) is arranged in institute
It states between air inlet (13) and the inner wall (11), the cleaning unit (21) includes rotation axis (211) and multiple spiral fans
(212), the cleaning mechanism (2) is rotatably coupled with the secondary air bellow (1), multiple spiral fan (212) edges
Rotation axis (211) rotational symmetry is arranged, the circuit orbit and the Secondary Air wind that spiral fan (212) rotation is formed
The bottom of case (1) is tangent.
2. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 1, which is characterized in that the rotation axis
(211) parallel outer wall (12) setting.
3. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 2, which is characterized in that multiple described clear
It manages unit (21) to be arranged along same straight line, the tilt angle of the spiral fan (212) of multiple cleanings unit (21)
It is identical.
4. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 3, which is characterized in that adjacent two
It is connected with each other between the rotation axis (211) of cleaning unit (21).
5. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 4, which is characterized in that the fire coal pot
Furnace secondary air bellow dust stratification cleaning plant further includes flabellum regulating mechanism (3), the flabellum regulating mechanism (3) and the screw fan
Leaf (212), including adjust motor (31), slider-crank mechanism (32), connection ring (33), multiple connecting rods (34) and multiple linkages
Bar (35), the slider-crank mechanism (32) include crank, connecting rod and sliding block, and the adjusting motor (31) is fixed on described secondary
In wind bellows (1), the shaft for adjusting motor (31) is fixedly connected with the crank, and the both ends of the connecting rod are respectively at described
Crank and the sliding block are hinged, and the sliding block is rotatably connected with the connection ring (33), and the sliding block is set in the rotation
The periphery of axis (211), the connection ring (33) are fixed on the periphery of the rotation axis (211), and the spiral fan (212) can turn
Dynamic is connected on the rotation axis (211), and the both ends of the connecting rod (34) are respectively with the connection ring (33) and close to institute
State the spiral fan (212) of connection ring (33) hingedly, multiple connecting rods (34) are along the rotation axis (211) rotation pair
Claim, the hinge joint of the connecting rod (34) and the spiral fan (212) is located at the rotation axis of the spiral fan (212) rotation
Except line a bit, it is multiple it is described cleaning unit (21) the spiral fans (212) respectively with the interlocking bar (35) hingedly,
One end and the connecting rod (34) of the interlocking bar (35) are hinged.
6. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 1, which is characterized in that the rotation axis
(211) both ends are connect with the inner wall (11) and the outer wall (12) respectively.
7. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 6, which is characterized in that the rotation axis
(211) vertical outer wall (12) setting.
8. coal-burning boiler secondary air bellow dust stratification cleaning plant according to claim 7, which is characterized in that multiple described clear
The tilt angle for managing the spiral fan (212) of unit (21) is identical.
Priority Applications (1)
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CN201920376424.6U CN209672364U (en) | 2019-03-22 | 2019-03-22 | Coal-burning boiler secondary air bellow dust stratification cleaning plant |
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CN201920376424.6U CN209672364U (en) | 2019-03-22 | 2019-03-22 | Coal-burning boiler secondary air bellow dust stratification cleaning plant |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115111775A (en) * | 2022-05-27 | 2022-09-27 | 河南省豫园锅炉机电有限公司 | Boiler with self-cleaning function |
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2019
- 2019-03-22 CN CN201920376424.6U patent/CN209672364U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115111775A (en) * | 2022-05-27 | 2022-09-27 | 河南省豫园锅炉机电有限公司 | Boiler with self-cleaning function |
CN115111775B (en) * | 2022-05-27 | 2023-10-20 | 河南省豫园锅炉机电有限公司 | Boiler with self-cleaning function |
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