CN201175661Y - Ventilation board and anti-wearing blast cap with the ventilation board - Google Patents
Ventilation board and anti-wearing blast cap with the ventilation board Download PDFInfo
- Publication number
- CN201175661Y CN201175661Y CNU2008200691866U CN200820069186U CN201175661Y CN 201175661 Y CN201175661 Y CN 201175661Y CN U2008200691866 U CNU2008200691866 U CN U2008200691866U CN 200820069186 U CN200820069186 U CN 200820069186U CN 201175661 Y CN201175661 Y CN 201175661Y
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- air
- airing
- permeating
- ventilative board
- angle
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Abstract
The utility model discloses an airing plate and an anti-wear blast cap provided with the airing plate. The airing plate is positioned at the top part of the blast cap, more than two airing holes passing through the airing plate are arranged on the airing plate, each airing hole is inclined to a plane which is vertical to the axial line of a blast column, and the inclined angle of the airing holes and the direction of the inclined direction have the following relationships: the inclined angle of each airing hole is identical and the inclined directions of at least two airing holes face toward different directions, or the inclined direction of each airing hole is identical and the inclined angles of at least two airing holes are different, or the inclined directions of at least two airing holes face toward different directions and the inclined angles of at least two airing holes are different. The inclination angle range between the airing holes and the plane vertical to the axial line of the blast column is 3-90 degree. The airing plate and the anti-wear blast cap avoid the bumping between the blown air flow and the back of the airing holes, and thoroughly solve the blast cap wearing problem caused by air flow scouring, thereby the service life of the blast cap is prolonged.
Description
Technical field
The utility model relates to a kind of vitals that is applied on the CFBB internal combustion equipment, especially a kind of ventilative board and have the anti-wear cowl of this ventilative board.
Background technology
In CFBB, blast cap is important composition parts of combustion apparatus, used blast cap in a kind of fluidized-bed combustion boiler that Harbin Boiler Plant is produced is to be formed by ventilative board, air duct, airduct bond pads, and the ventilative board upper punch is pressed with some and has identical shaped, equidirectional
The shape air-permeating hole, air communication is crossed air compartment and is come out from air-permeating hole from bottom to top, its direction is basically parallel to air distribution plate, this parallel gas flow is easy to blow on the back that protrudes in ventilative board of the adjacent air-permeating hole in air-flow the place ahead, if long-time running, fine particle in the air-flow is easy to damage ventilative board, causes blast cap to leak out, thereby influences the normal operation of boiler.
The utility model content
The purpose of this utility model is to provide a kind of to be convenient to install, ventilative effective ventilative board and have the anti-wear cowl of this ventilative board.
The technical scheme of anti-wear cowl of the present utility model is: a kind of anti-wear cowl, comprise ventilative board, ventilative board is in the blast cap top, be provided with the air-permeating hole of plural perforation ventilative board in the ventilative board, each air-permeating hole all favours the plane of vertical air duct axis, the angle of inclination of air-permeating hole and incline direction towards following relation is arranged: the identical and incline direction that has two air-permeating holes at least in the angle of inclination of each air-permeating hole is towards different directions, or the incline direction of each air-permeating hole is towards consistent and have the angle of inclination difference of two air-permeating holes at least, or the incline direction that has two air-permeating holes at least is towards different directions and have the angle of inclination difference of two air-permeating holes at least, and above-mentioned air-permeating hole is 3 °～90 ° with interplanar inclination angle scope perpendicular to the air duct axis.
The ventilative board of described anti-wear cowl is zigzag face or the waveform face that height rises and falls.
The technical scheme of ventilative board of the present utility model is: a kind of ventilative board, be provided with the air-permeating hole of plural perforation ventilative board in the ventilative board, each air-permeating hole all favours the plane of vertical air duct axis, the angle of inclination of air-permeating hole and incline direction towards following relation is arranged: the identical and incline direction that has two air-permeating holes at least in the angle of inclination of each air-permeating hole is towards different directions, or the incline direction of each air-permeating hole is towards consistent and have the angle of inclination difference of two air-permeating holes at least, or the incline direction that has two air-permeating holes at least is towards different directions and have the angle of inclination difference of two air-permeating holes at least, and above-mentioned air-permeating hole is 3 °～90 ° with interplanar inclination angle scope perpendicular to the air duct axis.
Described ventilative board is zigzag face or the waveform face that height rises and falls.
Each air-permeating hole of the present utility model tilts all to be arranged in the ventilative board, the hole wall of each air-permeating hole all is not on the extended line that flow channel of adjacent air-permeating hole, the air-flow that blown out and the collision of air-permeating hole back have so just been avoided, thoroughly solved airflow scouring and made the blast cap wear problems, thus the service life of prolongation blast cap.In addition, the inclination angle size of air-permeating hole, tilt towards and arrangement can according to circumstances select diversified form, for the ventilative property that makes air-permeating hole better, simultaneously for the processing of air-permeating hole is more prone to, the utility model with air-permeating hole be 3 °～90 ° perpendicular to the interplanar inclination angle scope of air duct axis, the angle of inclination of each air-permeating hole can be identical also can be different and the incline direction of air-permeating hole can unanimity also can be inconsistent, air-permeating hole both can by its inclination angle size gradually transition arrange and also can be arranged together by the air-permeating hole that the inclination angle is identical or close.In actual manufacturing and installing, the ventilative board with the air-permeating hole at various inclination angles can increase the air-flow stroke, increase material laterally disturbance at a high speed, is beneficial to abundant burning, is beneficial to fuel and contacts with the abundant mixing of sulphur removal with lime stone.Behind the air-permeating hole that multi-angle oblique is set on the ventilative board, make blast cap itself just have the effect that multi-angle goes out flow channel, the utility model can according to circumstances design the blast cap of multiple inclination angle form and ventilative board to adapt to all kinds of boilers, makes product diversification and has more competitiveness.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation of the utility model embodiment 2;
Fig. 5 is the structural representation of the utility model embodiment 3;
Fig. 6 is the structural representation of the utility model embodiment 4;
Fig. 7 is the structural representation of the utility model embodiment 5;
Fig. 8 is the structural representation of the utility model embodiment 6;
Fig. 9 is the structural representation of the utility model embodiment 7;
Figure 10 is the structural representation of the ventilative board of the utility model embodiment 8;
Figure 11 is the B-B cutaway view of Figure 10.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model ventilative board and have the embodiment 1 of the anti-wear cowl of this ventilative board, circular ventilative board 1 welds mutually with conical air duct 2, and air duct 2 welds together with airduct 3.Offer the air-permeating hole 4 that is obliquely installed on the flat ventilative board 1, each air-permeating hole 4 and be 3 °～90 ° perpendicular to the inclination angle scope between the plane of air duct 2 axis, the angle of inclination difference of each air-permeating hole 4, the incline direction of air-permeating hole 4 towards also different.
As shown in Figure 4, the utility model ventilative board and have the embodiment 2 of the anti-wear cowl of this ventilative board, be with the difference of embodiment 1, the angle of inclination difference of each air-permeating hole 4, (inclination angle that is near the air-permeating hole 4 of ventilative board 1 central authorities is bigger, ventilative board 1 is smaller near the inclination angle of the air-permeating hole 4 at edge), the incline direction of all air-permeating holes 4 towards all towards a side (tilting left).
As shown in Figure 5, the utility model ventilative board and have the embodiment 3 of the anti-wear cowl of this ventilative board, be with the difference of embodiment 1, air-permeating hole 4 by the size at its inclination angle and tilt towards and concentrate and arrange, the air-permeating hole 4 that the inclination angle is identical, tilt towards unanimity concentrates in together, and two adjacent groups air-permeating hole 4 towards different (being relative orientation).
As shown in Figure 6, the utility model ventilative board and have the embodiment 4 of the anti-wear cowl of this ventilative board is that with the difference of embodiment 1 angle of inclination of each air-permeating hole 4 is identical, but air-permeating hole 4 towards difference, be positioned at the left and right two-part air-permeating hole 4 of ventilative board 1 and be relative orientation.
As shown in Figure 7, the utility model ventilative board and have the embodiment 5 of the anti-wear cowl of this ventilative board, be with the difference of embodiment 1, ventilative board 5 is the zigzag that height rises and falls, air-permeating hole 6 is arranged at each bending part both sides of ventilative board 5, and the angle of inclination of each air-permeating hole is identical and tilt towards difference.
As shown in Figure 8, the utility model ventilative board and have the embodiment 6 of the anti-wear cowl of this ventilative board is that with the difference of embodiment 5 ventilative board 7 is the waveform that height rises and falls, and air-permeating hole 8 is arranged at the bending part both sides of ventilative board 7.The angle of inclination of adjacent two air-permeating holes 8 and inclination are towards all inequality.
As shown in Figure 9, the utility model ventilative board and have the embodiment 7 of the anti-wear cowl of this ventilative board, be with the difference of embodiment 5, air-permeating hole 6 is arranged at the one-sided of ventilative board 5 each bending part, the inclination of each air-permeating hole 6 is towards consistent (all towards upper right), and the angle of inclination difference of each air-permeating hole 6.
As Figure 10, shown in Figure 11, the utility model ventilative board and have the embodiment 8 of the anti-wear cowl of this ventilative board is with the difference of embodiment 1, the angle of inclination difference of the air-permeating hole 4 on the ventilative board 1, incline direction towards also different.
Claims (4)
1, a kind of anti-wear cowl, comprise ventilative board, it is characterized in that: ventilative board is in the blast cap top, be provided with the air-permeating hole of plural perforation ventilative board in the ventilative board, each air-permeating hole all favours the plane of vertical air duct axis, the angle of inclination of air-permeating hole and incline direction towards following relation is arranged: the identical and incline direction that has two air-permeating holes at least in the angle of inclination of each air-permeating hole is towards different directions, or the incline direction of each air-permeating hole is towards consistent and have the angle of inclination difference of two air-permeating holes at least, or the incline direction that has two air-permeating holes at least is towards different directions and have the angle of inclination difference of two air-permeating holes at least, and above-mentioned air-permeating hole is 3 °～90 ° with interplanar inclination angle scope perpendicular to the air duct axis.
2, anti-wear cowl according to claim 1 is characterized in that: zigzag face or waveform face that described ventilative board rises and falls for height.
3, a kind of ventilative board, it is characterized in that: the air-permeating hole that is provided with plural perforation ventilative board in the ventilative board, each air-permeating hole all favours the plane of vertical air duct axis, the angle of inclination of air-permeating hole and incline direction towards following relation is arranged: the identical and incline direction that has two air-permeating holes at least in the angle of inclination of each air-permeating hole is towards different directions, or the incline direction of each air-permeating hole is towards consistent and have the angle of inclination difference of two air-permeating holes at least, or the incline direction that has two air-permeating holes at least is towards different directions and have the angle of inclination difference of two air-permeating holes at least, and above-mentioned air-permeating hole is 3 °～90 ° with interplanar inclination angle scope perpendicular to the air duct axis.
4, ventilative board according to claim 3 is characterized in that: zigzag face or waveform face that described ventilative board rises and falls for height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200691866U CN201175661Y (en) | 2008-01-29 | 2008-01-29 | Ventilation board and anti-wearing blast cap with the ventilation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200691866U CN201175661Y (en) | 2008-01-29 | 2008-01-29 | Ventilation board and anti-wearing blast cap with the ventilation board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201175661Y true CN201175661Y (en) | 2009-01-07 |
Family
ID=40215677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200691866U Expired - Fee Related CN201175661Y (en) | 2008-01-29 | 2008-01-29 | Ventilation board and anti-wearing blast cap with the ventilation board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201175661Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100575784C (en) * | 2008-01-28 | 2009-12-30 | 翟科展 | A kind of ventilative board and have the anti-wear cowl of this ventilative board |
-
2008
- 2008-01-29 CN CNU2008200691866U patent/CN201175661Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100575784C (en) * | 2008-01-28 | 2009-12-30 | 翟科展 | A kind of ventilative board and have the anti-wear cowl of this ventilative board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20100129 |