CN204958959U - Back -fire relief type suction hood - Google Patents
Back -fire relief type suction hood Download PDFInfo
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- CN204958959U CN204958959U CN201520631896.3U CN201520631896U CN204958959U CN 204958959 U CN204958959 U CN 204958959U CN 201520631896 U CN201520631896 U CN 201520631896U CN 204958959 U CN204958959 U CN 204958959U
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- flame retardant
- retardant bed
- angle steel
- dust hood
- fire
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Abstract
The utility model discloses a back -fire relief type suction hood, the suction hood includes the suction hood casing, the blast pipe, and the support, the back -fire relief layer, the blast pipe connect in suction hood casing top, the leg joint suction hood casing outer wall, the back -fire relief layer includes first back -fire relief layer, second back -fire relief layer, and third back -fire relief layer, first back -fire relief layer, second back -fire relief layer, third back -fire relief layer sets up formation by a plurality of angle steel side by side, during back -fire relief type suction hood can prevent that the blast furnace stokehold from tapping a blast furnace, the high temperature object such as stokehold sediment iron or the inflammables body leaded to pipe blockage or burn out the sack that gathers dust along with the cleaning tube draft is removed dust, therefore reduce cost.
Description
Technical field
The utility model relates to technical field of dust removal equipment, is specifically related to a kind of fire-proof type dust hood.
Background technology
Blast furnace is as the energy consumption rich and influential family of iron and steel enterprise, and simultaneously Ye Shi heavy polluter, stokehold casting house is always that blast furnace working conditions is the poorest, and level of automation is minimum, is also the heaviest place of environmental pollution simultaneously.According to statistics, often produce one ton of molten iron, casting house on average produces about 2Kg flue dust, and due to soot dust granule little, be dispersed in air and have a strong impact on Air quality, therefore, casting house dedusting is always the most important thing of blast furnace environmental protection.
During blast furnace casting, iron notch flue-gas temperature is high, large-minded, for ensureing effective collection of flue dust, in the front upper place of iron notch, generally can arrange stokehold dust collection cover, being collected the flue gas of fire door discharge by cloth bag.But due to cleaning shaft ingress bore comparatively large, easily the high temp objects suction pipelines such as stokehold slag iron are caused line clogging, even burn out the cloth bag that gathers dust.
Utility model content
In view of this, the application provides a kind of fire-proof type dust hood, taps a blast furnace period before described fire-proof type dust hood can prevent State of Blast Furnace, and the high temp objects such as stokehold slag iron or flammable object carry out dedusting along with cleaning shaft draft, cause line clogging or burn out the cloth bag that gathers dust, therefore reducing costs.
For solving above technical problem, the technical scheme that the utility model provides is a kind of fire-proof type dust hood, and described dust hood comprises dust hood housing, vapor pipe, support, flame retardant bed, described vapor pipe is connected to described dust hood case top, described support connects described dust hood housing exterior walls, and described flame retardant bed comprises the first flame retardant bed, the second flame retardant bed, 3rd flame retardant bed, described first flame retardant bed, the second flame retardant bed, the 3rd flame retardant bed is set up in parallel formation by some angle steel.
Further, described first flame retardant bed comprises at least 10 angle steel be set up in parallel, and the drift angle of described angle steel is arranged all down, and the gap between described angle steel is 10-30mm.
Further, the angle steel of described first flame retardant bed is provided with 15, and the gap between described angle steel is 10-20mm.
Further, described second flame retardant bed comprises at least 8 angle steel be set up in parallel, and the drift angle of described angle steel is arranged all upward, and the gap between described angle steel is 10-25mm.
Further, the angle steel of described second flame retardant bed is provided with 13, and the gap between described angle steel is 10-18mm.
Further, described 3rd flame retardant bed comprises at least 8 angle steel be set up in parallel, and the drift angle of described angle steel is arranged all down, and the gap between described angle steel is 10-20mm.
Further, the angle steel of described 3rd flame retardant bed is provided with 13, and the gap between described angle steel is 10-15mm.
Further, the gap between described first flame retardant bed and described second flame retardant bed is 5-10mm, and the gap between described second flame retardant bed and described 3rd flame retardant bed is 5-12mm.
Further, described first flame retardant bed, the second flame retardant bed, the long limit of the angle steel of the 3rd flame retardant bed is all positioned at same direction, described first flame retardant bed, the second flame retardant bed, and the minor face of the angle steel of the 3rd flame retardant bed is crisscross arranged, and forms back-fire relief grid.
Further, the bond length of described angle steel is 50-60mm, and thickness is 5-8mm, and the two ends of described angle steel are welded in described dust hood inner walls.
Compared with prior art, it is described in detail as follows the application: technical scheme provides a kind of fire-proof type dust hood, and described dust hood comprises dust hood housing, vapor pipe, support, flame retardant bed, described vapor pipe is connected to described dust hood case top, described support connects described dust hood housing exterior walls, and described flame retardant bed comprises the first flame retardant bed, the second flame retardant bed, 3rd flame retardant bed, described first flame retardant bed, the second flame retardant bed, the 3rd flame retardant bed is set up in parallel formation by some angle steel.
The grid that described device is formed by flame retardant bed, tap a blast furnace before can preventing State of Blast Furnace period, the high temp objects such as stokehold slag iron or flammable object carry out dedusting along with cleaning shaft draft, cause line clogging or burn out the cloth bag that gathers dust, therefore reduce costs, these 400,000 yuan can be fallen every year.
Accompanying drawing explanation
Fig. 1 is the structure iron of fire-proof type dust hood described in the application;
Fig. 2 is the right view of Fig. 1.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of fire-proof type dust hood as shown in Figure 1 and Figure 2, described dust hood comprises dust hood housing 1, vapor pipe 2, support 3, flame retardant bed 4, described vapor pipe 2 is connected to described dust hood housing 1 top, and described support 3 connects described dust hood housing 1 outer wall, described flame retardant bed 4 comprises the first flame retardant bed 5, second flame retardant bed the 6, three flame retardant bed 7, described first flame retardant bed 5, second flame retardant bed the 6, three flame retardant bed 7 is set up in parallel formation by some angle steel 8.
Specifically, described first flame retardant bed 5 comprises 15 angle steel be set up in parallel 8, and the drift angle of described angle steel 8 is arranged all down, and the gap between described angle steel 8 is 10-20mm; Described second flame retardant bed 6 comprises 13 angle steel be set up in parallel 8, and the drift angle of described angle steel 8 is arranged all upward, and the gap between described angle steel 8 is 10-18mm; Described 3rd flame retardant bed 7 comprises 13 angle steel be set up in parallel 8, and the drift angle of described angle steel 8 is arranged all down, and the gap between described angle steel 8 is 10-15mm; In addition, the gap between described first flame retardant bed 5 and described second flame retardant bed 6 is 5-10mm, and the gap between described second flame retardant bed 6 and described 3rd flame retardant bed 7 is 5-12mm; The long limit of the angle steel 8 of described first flame retardant bed 5, second flame retardant bed the 6, three flame retardant bed 7 is all positioned at same direction, and the minor face of the angle steel 8 of described first flame retardant bed 5, second flame retardant bed the 6, three flame retardant bed 7 is crisscross arranged, and forms back-fire relief grid.
Wherein, described in the application, the bond length of angle steel 8 is 50-60mm, and thickness is 5-8mm, and the two ends of described angle steel 8 are welded in described dust hood housing 1 inwall.
The grid that described device is formed by flame retardant bed 4, tap a blast furnace before can preventing State of Blast Furnace period, the high temp objects such as stokehold slag iron or flammable object carry out dedusting along with cleaning shaft draft, cause line clogging or burn out the cloth bag that gathers dust.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a fire-proof type dust hood, is characterized in that: described dust hood comprises dust hood housing, vapor pipe, support, flame retardant bed, described vapor pipe is connected to described dust hood case top, and described support connects described dust hood housing exterior walls, described flame retardant bed comprises the first flame retardant bed, second flame retardant bed, the 3rd flame retardant bed, described first flame retardant bed, second flame retardant bed, the 3rd flame retardant bed is set up in parallel formation by some angle steel.
2. a kind of fire-proof type dust hood according to claim 1, it is characterized in that: described first flame retardant bed comprises at least 10 angle steel be set up in parallel, and the drift angle of described angle steel is arranged all down, the gap between described angle steel is 10-30mm.
3. a kind of fire-proof type dust hood according to claim 2, it is characterized in that: the angle steel of described first flame retardant bed is provided with 15, the gap between described angle steel is 10-20mm.
4. a kind of fire-proof type dust hood according to claim 1, it is characterized in that: described second flame retardant bed comprises at least 8 angle steel be set up in parallel, and the drift angle of described angle steel is arranged all upward, the gap between described angle steel is 10-25mm.
5. a kind of fire-proof type dust hood according to claim 4, it is characterized in that: the angle steel of described second flame retardant bed is provided with 13, the gap between described angle steel is 10-18mm.
6. a kind of fire-proof type dust hood according to claim 1, is characterized in that: described 3rd flame retardant bed comprises at least 8 angle steel be set up in parallel, and the drift angle of described angle steel is arranged all down, and the gap between described angle steel is 10-20mm.
7. a kind of fire-proof type dust hood according to claim 6, is characterized in that: the angle steel of described 3rd flame retardant bed is provided with 13, and the gap between described angle steel is 10-15mm.
8. a kind of fire-proof type dust hood according to claim 1, is characterized in that: the gap between described first flame retardant bed and described second flame retardant bed is 5-10mm, the gap between described second flame retardant bed and described 3rd flame retardant bed is 5-12mm.
9. a kind of fire-proof type dust hood according to claim 1, it is characterized in that: described first flame retardant bed, second flame retardant bed, the long limit of the angle steel of the 3rd flame retardant bed is all positioned at same direction, described first flame retardant bed, second flame retardant bed, the minor face of the angle steel of the 3rd flame retardant bed is crisscross arranged, and forms back-fire relief grid.
10. a kind of fire-proof type dust hood according to claim 1, is characterized in that: the bond length of described angle steel is 50-60mm, and thickness is 5-8mm, and the two ends of described angle steel are welded in described dust hood inner walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631896.3U CN204958959U (en) | 2015-08-20 | 2015-08-20 | Back -fire relief type suction hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631896.3U CN204958959U (en) | 2015-08-20 | 2015-08-20 | Back -fire relief type suction hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204958959U true CN204958959U (en) | 2016-01-13 |
Family
ID=55054038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520631896.3U Active CN204958959U (en) | 2015-08-20 | 2015-08-20 | Back -fire relief type suction hood |
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| Country | Link |
|---|---|
| CN (1) | CN204958959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261682A (en) * | 2018-11-22 | 2019-01-25 | 无锡市诚信洗选设备有限公司 | The dust hood for having fire extinguishing dedusting function |
-
2015
- 2015-08-20 CN CN201520631896.3U patent/CN204958959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261682A (en) * | 2018-11-22 | 2019-01-25 | 无锡市诚信洗选设备有限公司 | The dust hood for having fire extinguishing dedusting function |
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| GR01 | Patent grant |