CN202705386U - Fixed discharge funnel for blast furnace - Google Patents
Fixed discharge funnel for blast furnace Download PDFInfo
- Publication number
- CN202705386U CN202705386U CN 201220396183 CN201220396183U CN202705386U CN 202705386 U CN202705386 U CN 202705386U CN 201220396183 CN201220396183 CN 201220396183 CN 201220396183 U CN201220396183 U CN 201220396183U CN 202705386 U CN202705386 U CN 202705386U
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- Prior art keywords
- funnel
- valve plate
- cone section
- casing
- straight section
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Abstract
The utility model discloses a fixed discharge funnel for a blast furnace. The fixed discharge funnel comprises a conical section funnel and a direct section box body connected under the conical section funnel. A pair of valve plates is arranged at the lower end of the conical section funnel, a driving device used for controlling the valve plates to open and close is arranged at the lower end of the conical section funnel, and the driving device is connected on the outer wall of the lateral side of the direct section box body. The fixed discharge funnel can effectively reduce total height of a furnace roof and greatly reduces blast furnace capital cost simultaneously.
Description
Technical field
The utility model relates to a kind of blowing funnel, relates in particular to a kind of fixedly blowing funnel for blast furnace.
Background technology
As shown in Figure 1, domestic traditional stationary hopper and baiting valve are single devices at present, connect by flange.
Because former traditional design equipment is tall and big, for example funnel is up to 2480mm, and baiting valve is up to 1110mm, and height overall is 3590mm, so just causes the materials of liner plate too much, is 16m with regard to volume
3Integral device, it weighs 17 tons.Because the complicated mechanism of baiting valve causes the machine dosage large.
To sum up tell, device structure of the prior art is complicated, and the baiting valve valve plate is realized action by two cover linkage assemblys, and the axle head assembling is loaded down with trivial details, and part is many and amount of machining is large.Therefore intrinsic blowing funnel brings the waste on a lot of resources, need to improve from the structure technology aspect.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of fixedly blowing funnel that can effectively reduce the furnace top equipment total height.
For achieving the above object, the utility model provides a kind of fixedly blowing funnel for blast furnace, it comprises cone section funnel, and the straight section casing that is connected to described cone section funnel below, the lower end of described cone section funnel also is provided with a pair of valve plate, and being used for controlling the drive unit that described valve plate opens and closes, wherein said drive unit is connected on the outer wall of sidepiece of described straight section casing.
Further, described drive unit comprises: hydro-cylinder; One end of this hydro-cylinder is connected on the straight section casing by the hydro-cylinder bearing; The other end of hydro-cylinder is connected with link rod; Link rod links to each other with valve plate by axle.
Further, described cone section funnel also has the funnel liner plate, and it arranges on the wall of cone section funnel, also is connected with the valve plate liner plate on the described valve plate.
Further, described fixedly blowing funnel also has grid, and it lies in the top position of cone section funnel.
Further, described fixedly blowing funnel also has the casing liner plate, links to each other with described straight section casing.
Further, when described valve plate was closed, described valve plate was horizontal by 18 °.
Further, when described valve plate was opened, described valve plate was horizontal by 80 °.
Further, also be provided with vision slit for the wear pattern of observing funnel liner plate and valve plate liner plate on the described straight section casing.
Further, be provided with inspection manhole and mounting flange on the described straight section casing, the top of described cone section funnel is provided with lifting ear and bearing.
According to the utility model, to compare with present design, the novel fixedly blowing funnel behind alternative fixedly hopper and the baiting valve has been simplified former baiting valve axle head assembling, and 700mm can fall in the equipment total height, and gross weight can reduce 4t.Structure is simplified, low cost of manufacture; Easy to maintenance; Valve plate adopts the mode of approach switch sender to realize control, and is safe and reliable; Effectively reduce the blast furnace top equipment height overall, greatly reduced simultaneously the blast furnace capital cost.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.Wherein:
Fig. 1 is the assembling synoptic diagram of stationary hopper of the prior art and baiting valve;
Fig. 2 is the structural representation according to fixedly blowing funnel of the present utility model;
Fig. 3 a is the side-view of Fig. 2;
Fig. 3 b is the A section enlarged view of Fig. 3 a;
Fig. 4 is the synoptic diagram when being in open mode according to valve plate of the present utility model;
Fig. 5 is the synoptic diagram when being in closing condition according to valve plate of the present utility model;
The internal structure synoptic diagram of Fig. 6 a-Fig. 6 d for observing by vision slit; And
Fig. 7 shows the position view according to each approach switch of the present utility model.
Embodiment
Below, by exemplary embodiment the utility model is specifically described.Yet should be appreciated that in the situation that is not having further narration element, structure and feature in embodiment also can be attached in other embodiment valuably.
Such as Fig. 2, it shows according to a kind of fixedly blowing funnel 10 for blast furnace of the present utility model, and it comprises cone section funnel 20, and the straight section casing 30 that is connected to described cone section funnel 20 belows.Be provided with inspection manhole 31 on the described straight section casing 30, the top of described cone section funnel 20 is provided with lifting ear 21 and bearing 22, the lower end of described cone section funnel 20 also is provided with a pair of valve plate 23, opens and closes to control blowing funnel blowing and storing in the time of by bilateral valve plate 23; And the drive unit that is used for controlling described valve plate keying.
Consult Fig. 3 a and Fig. 3 b, optionally, described drive unit is connected on the outer wall of a sidepiece of described straight section casing 30.Specifically, described drive unit comprises: hydro-cylinder 32; For the hydro-cylinder bearing 33 that this hydro-cylinder 32 is connected on the straight section casing; The link rod 34 that links to each other with this hydro-cylinder bearing 33; And the axle 35 that links to each other with this link rod 34, wherein this axle 35 links to each other with valve plate 23.
Further, described cone section funnel also has funnel liner plate 24, arranges on the wall of cone section funnel.Fixedly blowing funnel of the present utility model also has grid 25, lies in the place, top position of cone section funnel; And casing liner plate 36, link to each other with described straight section casing.
In conjunction with Fig. 4 and shown in Figure 5, when the rod chamber of hydro-cylinder 32 gets oilyly, valve plate 23 is in open mode; When the rodless cavity of hydro-cylinder 32 gets oilyly, valve plate 23 is in closing condition.Specifically, when moving, oil cylinder push-and-pull crank- bar linkage 34,35 rotations of crank-bar linkage 34 band moving axis, axle 35 drives valve plate 23 closures.By reference to the accompanying drawings as seen, when described valve plate was closed, described valve plate 23 was horizontal by certain angle β, namely 18 °; When described valve plate was opened, described valve plate 23 was horizontal by certain angle α, namely 80 °.
Observe the wearing and tearing that material stream impacts serious district's funnel liner plate and valve plate liner plate for convenient, in order to go and find out what's going at any time and formulate the replacing service parts planning, also be provided with vision slit 37 on the described straight section casing 30.Such as Fig. 6 a ~ 6d, show different observed case.
Valve plate 23 adopts the mode of approach switch sender to realize control, sends induced signal when the effect of approach switch is valve plate 23 arrival predetermined position, and automatic control system is controlled stopping of oil cylinder according to the induced signal of approach switch or moved.
Specifically, as shown in Figure 7, show the first approach switch s1, the second approach switch s2, the 3rd approach switch s3, the 4th approach switch s4 of blowing funnel of the present utility model, and tablet s5, wherein tablet s5 is connected with axle 35.When tablet s5 is in first location L1, valve plate 23 closures, this moment, the first approach switch s1 and the 4th was near s4 switch sender; When tablet s5 was in second position L2, valve plate 23 was opened, and this moment, the second approach switch s2 and the 3rd was near s3 switch sender, the tablet s5 γ that rotates to an angle wherein, γ=62 °.
Compare with present design, the novel fixedly blowing funnel behind alternative fixedly hopper and the baiting valve has been simplified former baiting valve axle head assembling, and 700mm can fall in the equipment total height, and gross weight can reduce 4t.
In sum, has following advantage according to blowing funnel of the present utility model: reduce furnace top equipment total height 700mm; Structure is simplified, low cost of manufacture; Easy to maintenance; Since use approach switch sender mode, safe and reliable; Effectively reduce the blast furnace top equipment height overall, greatly reduced simultaneously the blast furnace capital cost.
Be appreciated that the utility model is described by some embodiment, those skilled in the art know, in the situation that does not break away from spirit and scope of the present utility model, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present utility model, can make amendment to adapt to concrete situation and material to these features and embodiment and can not break away from spirit and scope of the present utility model.Therefore, the utility model is not subjected to the restriction of specific embodiment disclosed herein, and all interior embodiment of claim scope that fall into the application belong to protection domain of the present utility model.
Claims (9)
1. fixedly blowing funnel (10) that is used for blast furnace, it is characterized in that, it comprises cone section funnel (20), and the straight section casing (30) that is connected to described cone section funnel below, the lower end of described cone section funnel (20) also is provided with a pair of valve plate (23), and be used for controlling the drive unit that described valve plate (23) opens and closes, wherein said drive unit is connected on the outer wall of described straight section casing (30) sidepiece.
2. fixedly blowing funnel as claimed in claim 1 is characterized in that described drive unit comprises: hydro-cylinder (32); One end of this hydro-cylinder is connected on the straight section casing (30) by hydro-cylinder bearing (33); The other end of hydro-cylinder is connected with link rod (34); Link rod links to each other with valve plate (23) by axle (35).
3. fixedly blowing funnel as claimed in claim 1 is characterized in that, described cone section funnel also has funnel liner plate (24), arranges on the wall of cone section funnel; Also be connected with valve plate liner plate (26) on the described valve plate.
4. fixedly blowing funnel as claimed in claim 1 is characterized in that, also has grid (25), lies in the top position of cone section funnel.
5. fixedly blowing funnel as claimed in claim 1 is characterized in that, also has casing liner plate (36), links to each other with described straight section casing.
6. fixedly blowing funnel as claimed in claim 1 is characterized in that, when described valve plate was closed, described valve plate (23) was horizontal by 18 °.
7. fixedly blowing funnel as claimed in claim 1 is characterized in that, when described valve plate was opened, described valve plate (23) was horizontal by 80 °.
8. fixedly blowing funnel as claimed in claim 1 is characterized in that, also is provided with the vision slit (37) for the wear pattern of observing funnel liner plate and valve plate liner plate on the described straight section casing (30).
9. fixedly blowing funnel as claimed in claim 1 is characterized in that, is provided with inspection manhole (31) and mounting flange (38) on the described straight section casing (30), and the top of described cone section funnel (20) is provided with lifting ear (21) and bearing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396183 CN202705386U (en) | 2012-08-06 | 2012-08-06 | Fixed discharge funnel for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396183 CN202705386U (en) | 2012-08-06 | 2012-08-06 | Fixed discharge funnel for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705386U true CN202705386U (en) | 2013-01-30 |
Family
ID=47585707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220396183 Expired - Lifetime CN202705386U (en) | 2012-08-06 | 2012-08-06 | Fixed discharge funnel for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146862A (en) * | 2013-03-29 | 2013-06-12 | 中冶东方工程技术有限公司 | Horizontal short type emptying valve |
-
2012
- 2012-08-06 CN CN 201220396183 patent/CN202705386U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146862A (en) * | 2013-03-29 | 2013-06-12 | 中冶东方工程技术有限公司 | Horizontal short type emptying valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |