CN206875471U - A kind of defeated coal dividing plate and coal, pulverulent fuel mixer - Google Patents
A kind of defeated coal dividing plate and coal, pulverulent fuel mixer Download PDFInfo
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- CN206875471U CN206875471U CN201720682801.XU CN201720682801U CN206875471U CN 206875471 U CN206875471 U CN 206875471U CN 201720682801 U CN201720682801 U CN 201720682801U CN 206875471 U CN206875471 U CN 206875471U
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- dividing plate
- coal
- bearing
- defeated
- defeated coal
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Abstract
The utility model discloses a kind of defeated coal dividing plate, including：Dividing plate；And rotating vane, it is rotatably arranged on swivel head；Swivel head, it is uniformly arranged and fixed on the dividing plate, including：Casing；Stator, the stator are fixed on the housing；Bearing, the bearing are fixed on support；Rotor, the rotor are enclosed on the bearing；Ball, it is fixed between the bearing and the rotor so that the rotor is relative to the bearing rotary；The rotating vane is fixed on the bearing by end cap, the end cap；Motor, it is connected with the swivel head, drives the swivel head to rotate.Defeated coal diaphragm structure described in the utility model is simple, coal dust can be made evenly laid out on horizontal defeated coal dividing plate, using the coal, pulverulent fuel mixer of above-mentioned defeated coal dividing plate, coal dust can be made evenly laid out on horizontal defeated coal dividing plate, coal dust is blown into combustion chamber in the presence of First air, reduces waste of fuel.
Description
Technical field
The utility model is related to a kind of dividing plate and blender, more specifically, the utility model is related to a kind of defeated coal dividing plate and
Coal, pulverulent fuel mixer.
Background technology
Most of boiler of power plant uses intermediate bin storage chamber pulverized coal preparation system at present, and coal dust falls into coal by machine supplying powder through lower tube cell
On horizontal baffle in powder mixer, then by First air by defeated coal dividing plate coal dust be sent into combustion chambers burn, coal, pulverulent fuel mixer
It is the device for air needed for mixed coal powder and burning.
But the coal dust to be fallen through lower tube cell can be deposited in the center section of horizontal baffle, coal dust can not reach horizontal baffle
Both sides, this will be such that coal dust fully effective does not utilize, and waste fuel, and coal dust all can not blow into combustion chamber by First air, drop
The low utilization rate and boiler efficiency of fuel.
Utility model content
This technical problem is accumulated to solve fuel, the utility model has designed and developed a kind of defeated coal dividing plate, can make coal
Powder is evenly laid out on horizontal defeated coal dividing plate.
To solve another technical problem of waste of fuel caused by fuel is accumulated, the utility model has designed and developed a kind of coal
Powder mixer, coal dust can be made evenly laid out on horizontal defeated coal dividing plate, promote First air more efficient and coal dust is blown into burning
Room, reduce waste of fuel.
Technical scheme provided by the utility model is：
A kind of defeated coal dividing plate, including：
Dividing plate；And
Rotating vane, it is rotatably arranged on swivel head；
Swivel head, it is uniformly arranged and fixed on the dividing plate, including：
Casing；
Stator, the stator are fixed on the housing；
Bearing, the bearing are fixed on support；
Rotor, the rotor are enclosed on the bearing；
Ball, it is fixed between the bearing and the rotor so that the rotor is relative to the bearing rotary；
The rotating vane is fixed on the bearing by end cap, the end cap；
Motor, it is connected with the swivel head, drives the swivel head to rotate.
Preferably, the dividing plate is provided with balance pipe, and it is used to balance dividing plate both sides draught head.
Preferably, the rotating vane is made up of the blade at three spaced 60 ° of angles, the quantity of the rotating vane
At least two.
Preferably, the length of the blade is the spacing of the half of the spacer width, the blade and the dividing plate
For 0.5~2.0cm, the thickness of the blade is 1.5cm~3.5cm.
Correspondingly, the utility model provides a kind of coal, pulverulent fuel mixer, including：Cylinder, one end of cylinder connect with bellows, separately
One end and combustion chamber, the upper portion side wall of cylinder connect with powder sinking tube, below the cylinder and the powder sinking tube connectivity part
The inner barrel is horizontally disposed with above-mentioned defeated coal dividing plate.
Preferably, in addition to：
Velocity sensor, the First air entrance of the coal, pulverulent fuel mixer is arranged on, for detecting the wind speed of First air；
Speed probe, it is arranged on the rotating vane, for detecting the rotating speed of the rotating vane；
Weight sensor, it is arranged on the defeated coal dividing plate, for detecting the weight of fuel on defeated coal dividing plate；
Controller, it connects described motor, pressure sensor and weight sensor, for receive the pressure sensor and
The detection data of weight sensor, and control the rotating speed of the motor.
Preferably, the angle of the central axis of the powder sinking tube and the central axis of the cylinder is 30-60 °, described
Angle is air intake side angle.
Preferably, the defeated coal dividing plate to the top cylinder inboard wall face distance be the cylinder caliber 0.4-
0.7 times.
The utility model at least possesses following have the beneficial effect that：
(1) defeated coal diaphragm structure provided by the utility model is simple, coal dust can be made evenly laid out in horizontal defeated coal dividing plate
On.
(2) above-mentioned defeated coal dividing plate coal, pulverulent fuel mixer is used, coal dust can be made evenly laid out on horizontal defeated coal dividing plate, promoted
First air is more efficient to blow into combustion chamber by coal dust, reduces waste of fuel.
Brief description of the drawings
Fig. 1 is the structural representation of defeated coal dividing plate described in the utility model.
Fig. 2 is the structural representation of defeated coal dividing plate described in the utility model.
Fig. 3 is the structural representation of coal, pulverulent fuel mixer described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
The utility model can have many different forms to implement, and should not be construed as limited to the implementation illustrated again
Example, conversely, there is provided these embodiments so that the disclosure will be thorough and complete.In the accompanying drawings, for clarity, can overstate
Big structure and the size and relative size in region.
As shown in Figure 1, 2, the utility model provides a kind of defeated coal dividing plate, including：Dividing plate 100；And rotating vane 120,
It is rotatably arranged on the dividing plate 100.In the present embodiment, in addition to swivel head 110 and motor (not shown),
The swivel head 110 is uniformly arranged and fixed on the dividing plate 100；The rotating vane 120 is fixed on the swivel head 110
On.The swivel head 110 includes：Casing (not shown)；Stator (not shown), the stator are fixed on the housing
On；Bearing (not shown), the bearing are fixed on support；Rotor (not shown), the rotor are enclosed on the axle
Hold；Ball (not shown), it is fixed between the bearing and the rotor so that the rotor is relative to the bearing
Rotation；The rotating vane is fixed on the bearing by end cap (not shown), the end cap.Motor and the swivel head
110 connections, driving swivel head drive rotating vane 120 to rotate.Because when rotating vane 120 rotates very fast, dividing plate is about 100
Both sides can produce draught head, and the pressure of the dividing plate side with rotating vane 120 is less than the pressure of dividing plate opposite side, can cause institute
It is unstable to state defeated coal dividing plate, uses for a long time, the life-span of defeated coal dividing plate can be reduced, therefore, balance is additionally provided with dividing plate 100
Hole 130, the draught head of balance dividing plate both sides so that defeated coal dividing plate is stable to be set, and improves the service life of defeated coal dividing plate.It is flat
The setting in weighing apparatus hole 130 can also be reduced in rotor rotation process to axial force excessive caused by bearing.The rotating vane 120 by
The blade composition at three spaced 60 ° of angles, the length of the blade are the half of the spacer width, the blade with it is described
The spacing of dividing plate is 0.5~2.0cm, and the thickness of the blade is 1.5cm~3.5cm, and the quantity of the rotating vane is two.
It should be appreciated that the structure of rotating vane 120 is not limited to said structure, the quantity of rotating vane is also not necessarily limited to 2, as long as can meet
Coal dust is evenly laid out on dividing plate 100.
Defeated coal diaphragm structure provided by the utility model is simple, coal dust can be made evenly laid out on horizontal defeated coal dividing plate,
Promote First air more efficient and coal dust is blown into combustion chamber, reduce waste of fuel.
As shown in figure 3, the utility model additionally provides a kind of coal, pulverulent fuel mixer, for air needed for mixed coal powder and burning
Device, including：Cylinder 200, the A ends of cylinder connect with bellows (not shown), and the B ends and combustion chamber of cylinder are (in figure not
Show) connection, the upper portion side wall of cylinder connects with powder sinking tube 210, below the cylinder 200 and the connectivity part of powder sinking tube 210
The inner horizontal of the cylinder 200 a kind of above-mentioned defeated coal dividing plate is set.Coal, pulverulent fuel mixer provided by the utility model uses upper
Defeated coal dividing plate, in addition to velocity sensor 220 are stated, is arranged on the First air entrance A sides of the coal, pulverulent fuel mixer, for detecting one
The wind speed of secondary wind；Speed probe 240, it is arranged on the rotating vane, for detecting the rotating speed of the rotating vane；Weight
Sensor 230, it is arranged on the defeated coal dividing plate, for detecting the weight of fuel on defeated coal dividing plate；Controller (does not show in figure
Go out), it connects the motor, pressure sensor 220 and weight sensor 230, for receiving the pressure sensor and weight
The detection data of sensor, and control the rotating speed of the motor.Rotating vane 120 on defeated coal dividing plate rotates, and is accumulated falling
Coal dust on dividing plate 100, which polishes, to scatter, evenly laid out on the dividing plate 100, and what bellows provided once blows air over, by coal dust
It is blown into combustion chamber, improves fuel availability.In the present embodiment, the central axis of the powder sinking tube 210 on blender with it is described
The angle α of the central axis of cylinder 200 is 30-60 °, and the angle is air intake side angle, the A ends arrow C of cylinder 200 side
To the trend for bellows apoplexy in cylinder 200.By reducing the inclined degree of powder sinking tube 210, it is 30-60 ° to be allowed to angle, energy
Ensure that coal dust is successfully fallen from coal pipe 210, in the presence of coal dust is distinguished and admirable in gravity and once, subtract in the speed of vertical direction
It is small, contact and action time of the First air with coal dust are extended, the band powder ability of First air is enhanced, makes most of coal dust and one
Enter combustion chambers burn after secondary wind mixing, reduce the deposition probability of coal dust.The defeated coal dividing plate is to the top inwall of cylinder 200
The distance in face is 0.4-0.7 times, preferably 0.6 times so that coal dust is in the presence of First air by more of the caliber of cylinder 200
High usage blows into combustion chambers burn.
Coal, pulverulent fuel mixer provided by the utility model, coal dust can be made evenly laid out on horizontal defeated coal dividing plate, promote one
Secondary wind is more efficient to blow into combustion chamber by coal dust, reduces waste of fuel.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
- A kind of 1. defeated coal dividing plate, it is characterised in that including：Dividing plate；AndRotating vane, it is rotatably arranged on swivel head；Swivel head, it is uniformly arranged and fixed on the dividing plate, including：Casing；Stator, the stator are fixed on the housing；Bearing, the bearing are fixed on support；Rotor, the rotor are enclosed on the bearing；Ball, it is fixed between the bearing and the rotor so that the rotor is relative to the bearing rotary；The rotating vane is fixed on the bearing by end cap, the end cap；Motor, it is connected with the swivel head, drives the swivel head to rotate.
- 2. defeated coal dividing plate as claimed in claim 1, it is characterised in that the dividing plate is provided with balance pipe, and it is used to balance institute State dividing plate both sides draught head.
- 3. defeated coal dividing plate as claimed in claim 1, it is characterised in that the rotating vane is by three spaced 60 ° of angles Blade forms, the quantity at least two of the rotating vane.
- 4. defeated coal dividing plate as claimed in claim 3, it is characterised in that the length of the blade is the one of the spacer width Half, the spacing of the blade and the dividing plate is 0.5~2.0cm, and the thickness of the blade is 1.5cm~3.5cm.
- A kind of 5. coal, pulverulent fuel mixer, it is characterised in that including：Cylinder, one end of cylinder connect with bellows, the other end and combustion chamber Connection, the upper portion side wall of cylinder connect with powder sinking tube, the cylinder and the inner barrel below the powder sinking tube connectivity part The horizontally disposed defeated coal dividing plate as described in claim 1-4 any one.
- 6. coal, pulverulent fuel mixer as claimed in claim 5, it is characterised in that also include：Velocity sensor, the First air entrance of the coal, pulverulent fuel mixer is arranged on, for detecting the wind speed of First air；Speed probe, it is arranged on the rotating vane, for detecting the rotating speed of the rotating vane；Weight sensor, it is arranged on the defeated coal dividing plate, for detecting the weight of fuel on defeated coal dividing plate；Controller, it connects the motor, pressure sensor and weight sensor, for receiving the pressure sensor and weight The detection data of sensor, and control the rotating speed of the motor.
- 7. coal, pulverulent fuel mixer as claimed in claim 5, it is characterised in that the central axis of the powder sinking tube and the cylinder The angle of central axis is 30-60 °, and the angle is air intake side angle.
- 8. coal, pulverulent fuel mixer as claimed in claim 5, it is characterised in that the defeated coal dividing plate to the top cylinder inboard wall face Distance be 0.4-0.7 times of the cylinder caliber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682801.XU CN206875471U (en) | 2017-06-13 | 2017-06-13 | A kind of defeated coal dividing plate and coal, pulverulent fuel mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682801.XU CN206875471U (en) | 2017-06-13 | 2017-06-13 | A kind of defeated coal dividing plate and coal, pulverulent fuel mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206875471U true CN206875471U (en) | 2018-01-12 |
Family
ID=61333399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720682801.XU Expired - Fee Related CN206875471U (en) | 2017-06-13 | 2017-06-13 | A kind of defeated coal dividing plate and coal, pulverulent fuel mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206875471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420936A (en) * | 2017-06-13 | 2017-12-01 | 吉林大学 | A kind of defeated coal dividing plate and coal, pulverulent fuel mixer and its control method |
-
2017
- 2017-06-13 CN CN201720682801.XU patent/CN206875471U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420936A (en) * | 2017-06-13 | 2017-12-01 | 吉林大学 | A kind of defeated coal dividing plate and coal, pulverulent fuel mixer and its control method |
| CN107420936B (en) * | 2017-06-13 | 2023-06-06 | 吉林大学 | Coal conveying partition board, coal powder mixer and control method of coal conveying partition board and coal powder mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20180613 |