CN203790714U - Pellet shaft furnace with good dust removing effect - Google Patents
Pellet shaft furnace with good dust removing effect Download PDFInfo
- Publication number
- CN203790714U CN203790714U CN201320581667.6U CN201320581667U CN203790714U CN 203790714 U CN203790714 U CN 203790714U CN 201320581667 U CN201320581667 U CN 201320581667U CN 203790714 U CN203790714 U CN 203790714U
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- dust
- dust removing
- air
- shaft furnace
- inlet
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- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model relates to a pellet shaft furnace with a good dust removing effect. According to a conventional dust removing method, as a high-temperature dust-containing gas is directly collected into a pipeline by virtue of a dust removing hood and a pipeline, a part of large-particle dust can be easily sucked into a dust removing pipeline, along with rapid decrease of the temperature of the dust-containing gas, the large-particle dust is accumulated in the pipeline, then the dust removing pipeline is blocked and the dust removing function is ineffective, so that most dust removing facilities are effective when being newly mounted but are gradually ineffective after being used. The pellet shaft furnace with the good dust removing effect comprises a dust removing hood and a dust removing tube. The pellet shaft furnace is characterized in that a dust sinking tank is arranged between the dust removing hood and the dust removing tube; the dust sinking tank is provided with an air inlet and an air outlet; the dust removing hood is communicated with the air inlet through an air inlet tube; the dust removing tube is communicated with an air outlet through the air outlet tube. The dust moving tank is arranged at a discharge hole of the pellet shaft furnace provided by the utility model, the difficulty that the dust removing pipeline is gradually blocked and ineffective is effectively solved, and the effect is good after the pellet shaft furnace is used for a long time.
Description
Technical field
The utility model relates to a kind of palletizing shaft furnace, especially a kind of palletizing shaft furnace with better dust removing effects.
Background technology
Shaft furnace bottom discharging point is the emphasis dust pollution region in pelletizing production.The finished ball nodulizing temperature that discharge shaft furnace bottom is generally at 500～700 ℃, and holds under the arm and wrap up in a large amount of high-temperature dusts, adds sector-style effect under the part in cooling air, makes this region become high-temperature dust district, and environment is very severe.
Traditional dust collection method is directly by dust excluding hood and pipeline, high-temperature dusty gas to be taken in to pipeline, but because shaft furnace bottom gape dusty gas temperature is higher, be greater than 500 ℃, the high temperature gas flow that risen is lifted, part big dust particle is easy to be inhaled into cleaning shaft, and along with dusty gas temperature declines rapidly, big dust particle just sinks to down in pipeline and piles up, cause cleaning shaft to stop up and lose dedusting usefulness, the main cause effectively then losing efficacy gradually when this causes many dust removal installation new clothes just.
Summary of the invention
The purpose of this utility model is to provide a kind of palletizing shaft furnace that has better dust removing effects and can not cause cleaning shaft to stop up.
The technical scheme that the utility model adopts is: a kind of palletizing shaft furnace with better dust removing effects, comprise dust excluding hood and dust removing tube, and its special feature is: between described dust excluding hood and dust removing tube, be provided with depositing dust case; On depositing dust case, have air inlet and air outlet, described dust excluding hood is connected by blast pipe with air inlet, and dust removing tube is connected by discharge pipe with air outlet.
Described depositing dust case comprises casing and is positioned at " funnel-form " ash bucket of lower box;
Described air inlet and air outlet are positioned at casing top and on same straight line;
The large end of described ash bucket is connected with casing bottom, and its small end is provided with Dual-gravity cindervalve;
In described casing, be vertically provided with spoiler, casing be divided into adjacent inlet air plenum and go out air compartment, described in go out air compartment cross-sectional area be greater than inlet air plenum cross-sectional area, described inlet air plenum and air inlet are connected,
The width of described inlet air plenum is 450mm-750mm, and the width that goes out air compartment is 900mm-1500mm, and the height of described spoiler is 2500mm-3500mm.
Compared with prior art, the beneficial effects of the utility model are: palletizing shaft furnace discharging opening of the present utility model is provided with dust cleaning case, the air inlet of this dust cleaning case is communicated with the dust excluding hood being arranged on discharging opening, air outlet is communicated with cleaning shaft, utilize the principle of " gravity+inertia " dedusting, make the rapid sedimentation of big dust particle of taking in hot environment and automatically discharge, without operating cost, without personal management, efficiently solve the difficult problem that cleaning shaft stops up inefficacy gradually, permanence operation is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of depositing dust case.
In figure, 1. dust excluding hood, 2. dust removing tube, 3. air inlet, 4. air outlet, 5. casing, 6. ash bucket, 7. Dual-gravity cindervalve, 8. spoiler, 9. inlet air plenum, 10. goes out air compartment, 11. blast pipes, 12 discharge pipes.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
?as shown in Figure 1, a kind of palletizing shaft furnace with better dust removing effects, comprises dust excluding hood 1 and dust removing tube 2, between described dust excluding hood 1 and dust removing tube 2, is provided with depositing dust case, and depositing dust case must be tried one's best near gathering dust a little; On depositing dust case, have air inlet 3 and air outlet, dust excluding hood 1 is connected by blast pipe 11 with air inlet 3, and dust removing tube 2 is connected by discharge pipe 12 with air outlet 4.
Referring to Fig. 2, depositing dust case comprises casing 5 and is positioned at " funnel-form " ash bucket 6 of casing 5 bottoms; The large end of ash bucket 6 is connected with casing 5 bottoms, and its small end is provided with Dual-gravity cindervalve 7; The interior spoiler 8 that is vertically provided with of casing 5, casing 5 is divided into adjacent inlet air plenum 9 and goes out air compartment 10, the cross-sectional area that goes out air compartment 10 is greater than inlet air plenum 9 cross-sectional areas, described inlet air plenum 9 and air inlet 3 are connected, going out air compartment 10 is connected with air outlet 4, inlet air plenum 9 is connected with the bottom that goes out air compartment 10, and blast pipe horizontal segment is not more than two meters.
In actual use, preferably the width of inlet air plenum 9 is 600mm, and the width that goes out air compartment 10 is 1100mm, and the height of spoiler 8 is 3000mm.
Operation principle of the present utility model is: depositing dust case air outlet 4 is connected with dust removing tube, under the interior suction function of casing 1, high-temperature dusty gas is inhaled in depositing dust case inlet air plenum 9 through blast pipe 11, at spoiler 8 places, change into and moving downward, under the double action of descending air-flow and gravity, dust granules obtains the speed of certain downward direction, when air-flow, crossing spoiler 8 enters out air compartment 10 and changes into while upwards flowing, owing to going out air compartment 10 sectional areas and be greater than the sectional area of inlet air plenum 9, make wind speed decreased, larger particles dust is under downward speed inertia and gravity double action, fall in ash bucket 6 with flow separation, only have particle dust by air outlet 2, to enter dust removing tube with air-flow, the unlikely dust removing tube that causes stops up.
When the interior dust accumulation of ash bucket 6 is during to certain altitude, dust self gravitation overcomes the resistance of the plug-in weight of Dual-gravity cindervalve 6 (adjustable), automatically opens valve and discharges dust stratification, and Dual-gravity cindervalve 7 can prevent harmful the leaking out in ash discharge process.
Claims (1)
1. a palletizing shaft furnace with better dust removing effects, comprises dust excluding hood (1) and dust removing tube (2), it is characterized in that: between described dust excluding hood (1) and dust removing tube (2), be provided with depositing dust case; On depositing dust case, have air inlet (3) and air outlet, described dust excluding hood (1) is connected by blast pipe (11) with air inlet (3), and dust removing tube (2) is connected by discharge pipe (12) with air outlet (4);
Described depositing dust case comprises casing (5) and is positioned at " funnel-form " ash bucket (6) of casing (5) bottom; Described air inlet (3) and air outlet (4) are positioned at casing top and on same straight line;
The large end of described ash bucket (6) is connected with casing (5) bottom, and its small end is provided with Dual-gravity cindervalve (7);
In described casing (5), be vertically provided with spoiler (8), casing (5) is divided into adjacent inlet air plenum (9) and goes out air compartment (10), the described cross-sectional area that goes out air compartment (10) is greater than inlet air plenum (9) cross-sectional area, described inlet air plenum (9) and air inlet (3) are connected, go out air compartment (10) and be connected with air outlet (4), inlet air plenum (9) and the bottom that goes out air compartment (10) are connected;
The width of described inlet air plenum (9) is 450mm-750mm, and the width that goes out air compartment (10) is 900mm-1500mm, and the height of described spoiler (8) is 2500mm-3500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581667.6U CN203790714U (en) | 2013-09-22 | 2013-09-22 | Pellet shaft furnace with good dust removing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581667.6U CN203790714U (en) | 2013-09-22 | 2013-09-22 | Pellet shaft furnace with good dust removing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203790714U true CN203790714U (en) | 2014-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320581667.6U Expired - Fee Related CN203790714U (en) | 2013-09-22 | 2013-09-22 | Pellet shaft furnace with good dust removing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203790714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126767A (en) * | 2017-05-04 | 2017-09-05 | 长安大学 | A kind of easy smoke collecting device |
-
2013
- 2013-09-22 CN CN201320581667.6U patent/CN203790714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126767A (en) * | 2017-05-04 | 2017-09-05 | 长安大学 | A kind of easy smoke collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20160922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |