CN206014983U - Blast furnace opening iron mouth gas export control device - Google Patents
Blast furnace opening iron mouth gas export control device Download PDFInfo
- Publication number
- CN206014983U CN206014983U CN201620917687.XU CN201620917687U CN206014983U CN 206014983 U CN206014983 U CN 206014983U CN 201620917687 U CN201620917687 U CN 201620917687U CN 206014983 U CN206014983 U CN 206014983U
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- CN
- China
- Prior art keywords
- blast furnace
- iron mouth
- wireway
- control device
- furnace opening
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model belongs to blast furnace opening servicing unit, particularly a kind of blast furnace opening iron mouth gas export control device, the iron mouth arranged including blast furnace crucibe and on cupola well wall, the horizontal annular pipe supported by support is set in cupola well, air admission hole is uniformly arranged on the lower half tube wall of ring pipe, downward-sloping wireway being connected on the steam vent that ring pipe is arranged, air admission hole being uniformly arranged on the lower half tube wall of wireway, the delivery line of wireway connection is stretched out from the iron mouth of cupola well.The utility model is rational in infrastructure, ensure in blast furnace ignition blow-on, enough gas can be derived from blast furnace crucibe, accelerate the accumulation of heat of blast furnace crucibe, the easily loose requirement of stock column at blast furnace crucibe circumference and iron mouth can be met again, ensureing that cupola well is fully heated derives with coal gas, make blast furnace slag tap first to tap a blast furnace smoothly, it is ensured that cold slag chill can be excluded in time several times before blast furnace opening, discharge blast furnace opening slag iron safe and smooth.
Description
Technical field
The utility model belongs to blast furnace opening servicing unit, particularly a kind of blast furnace opening iron mouth gas export control device.
Background technology
Blast furnace newly-built, enlarging, in repair, blow-on after overhaul when, iron mouth will install a kind of gas export control device,
To ensure that cupola well is quickly heated, slag iron is smoothly excluded, and blast furnace is as early as possible up to product.The major function of this device is：During blast oven, portion
Divide hot blast discharge out of the furnace through iron mouth pore passage, play and dry the sensible effect of iron mouth;After blast furnace opening igniting, part coal gas
Discharge from delivery line, as cupola well is that physical temperature is not enough in blow-on, by the exclusion of coal gas, in stove In-Cylinder Flow, heating furnace
Cylinder temperature, after making later stage slag iron deposition cupola well, it is easy to exclude.Further, since the flowing of coal gas, at iron mouth, stock column is easily loose, slag
Iron is easy to flow at iron mouth, it is easier to the exclusion of first time iron.Situation, and coal gas band slag iron feelings are excluded according to coal gas
Condition, the relation after blowing between air quantity combustion of coke, smelting situation in comprehensive descision stove, and determine the time and discharge that taps a blast furnace
Amount.
Existing blast furnace gas is derived pipe device and is directly inserted from iron mouth using a steel pipe, although this kind of device is simple,
But affect coal gas to pour out in a large number, quickly, temperature of the furnace hearth can not be improved rapidly, especially nearby temperature is difficult the circumference beyond iron mouth
Improve, the initial stage, cold slag iron smoothly can not be discharged, blast furnace natural labor recovers relatively slow, and the serious possibility of situation causes the thing of gobbed up
Therefore.
Utility model content
The purpose of this utility model is to provide a kind of blast furnace opening iron mouth gas export control device, and which is rational in infrastructure, protects
Card can derive enough gas from blast furnace crucibe, accelerate the accumulation of heat of blast furnace crucibe, can expire again in blast furnace ignition blow-on
The easily loose requirement of stock column at sufficient blast furnace crucibe circumference and iron mouth, it is ensured that cupola well is fully heated derives with coal gas, makes blast furnace go out first
Slag taps a blast furnace smoothly, it is ensured that before blast furnace opening, cold slag chill can be excluded in time several times, discharges blast furnace opening slag iron safe and smooth.
The purpose of this utility model is realized in：A kind of blast furnace opening iron mouth gas export control device, including blast furnace
Cupola well and the iron mouth arranged on cupola well wall, arrange the horizontal annular pipe supported by support, in cupola well under ring pipe
Air admission hole is uniformly arranged on half tube wall, is connected to downward-sloping wireway, in wireway on the steam vent that ring pipe is arranged
Lower half tube wall on be uniformly arranged air admission hole, the delivery line of wireway connection is stretched out from the iron mouth of cupola well.
The utility model, is chosen isometrical according to size by taking a diameter of 5200mm of cupola well as an example（￠ 129）Steel pipe, length is
1350mm, opens diameter 30mm tri- and discharges into pore below steel pipe, longitudinal hole is prepared with endless tube welding part and isometrical mutually passed through away from for 50mm
Line.Octagon ring pipe（￠ 129）Selection be divided into 8 deciles, one of them with isometrical（￠ 129）Fastener for connection in place of hold successfully
Hole prepares isometrical intersection, connects and prepare mutually intersection, it is ensured that full-size amount manages interior maximum gas between 8 grades point steel pipe
Flow.Diameter 30mm tri- being opened below 8 grades point steel pipe and discharging into pore, longitudinal hole is away from for 50mm.Make wireway and iron mouth is logical
Road（￠ 108）Steel pipe.Installation process：Tapping outlet passage is burnt with the direction at 7 ° of angles upwards, by iron mouth passage（￠ 108）Steel pipe
Inserted by iron mouth passage.Enter air guide bore and iron mouth passage in stove（￠ 108）Steel-pipe welding（Full weld）.To afterwards etc.
Footpath（￠ 129）Steel pipe and annulus junction steel plate external diameter weld with iron mouth（Full weld）.Octagon endless tube one of them with isometrical（￠
129）Fastener for connection in place of hold hole successfully and prepare isometrical continuous line welding, be sequentially connected octagon endless tube（￠ 129）8 deciles.
Endless tube uses 3 round steel to be mounted equidistant as support circumference, and coal gas is poured out the i.e. blast furnace center in center of the octagon coil pipe of pipe and arrived
The distance on its one side is 1200mm.
The utility model is rational in infrastructure, it is ensured that in blast furnace ignition blow-on, derives enough gas, adds from blast furnace crucibe
The accumulation of heat of fast blast furnace crucibe, meets the easily loose requirement of stock column at blast furnace crucibe circumference and iron mouth again, it is ensured that cylinder fully heat and
Coal gas is derived, and is made blast furnace slag tap first and is tapped a blast furnace smoothly, it is ensured that cold slag chill can be excluded in time several times before stove blow-on, open blast furnace
The discharge of slag iron is safe and smooth.
Description of the drawings
The utility model is further described below in conjunction with accompanying drawing, Fig. 1 is the utility model structural representation, schemes
2 is the present invention looks up structural representation of octagon endless tube, and Fig. 3 is Fig. 2'sPortion's mplifying structure schematic diagram, Fig. 4 are Fig. 2'sAmplify in portion
Structural representation.
Specific embodiment
A kind of blast furnace opening iron mouth gas export control device, as shown in Figure 1, Figure 2, Figure 3, Figure 4, including 1 He of blast furnace crucibe
The iron mouth 2 arranged on cupola well wall, arranges the horizontal annular pipe 3 supported by support 4, in cupola well 1 in the lower half of ring pipe 3
Air admission hole 7 is uniformly arranged on tube wall, is connected to downward-sloping wireway 5, in wireway on the steam vent that ring pipe 3 is arranged
Air admission hole 7 is uniformly arranged on 5 lower half tube wall, and the delivery line 6 of the connection of wireway 5 is stretched out from the iron mouth 2 of cupola well.Ring pipe 3
For ring tube or octagon endless tube.The floor height of ring pipe 3 is adapted with the apical side height of cupola well iron mouth 2.Ring pipe 3
Caliber is 129mm, and ring pipe 3 is equal with the caliber of wireway 5.The downward-sloping angle of wireway 5 is wireway 5 and horizontal line
Angle be 5-10 °.The air admission hole 7 being uniformly arranged on 5 lower half tube wall of ring pipe 3 and wireway is discharged into for longitudinally disposed three
Pore 7, the aperture of air admission hole 7 is 20-30mm.
Claims (6)
1. a kind of blast furnace opening iron mouth gas export control device, the iron mouth arranged including blast furnace crucibe (1) and on cupola well wall
(2), it is characterized in that：The horizontal annular pipe (3) supported by support (4) is set in cupola well (1), in the lower half of ring pipe (3)
Air admission hole (7) is uniformly arranged on tube wall, is connected to downward-sloping wireway (5) on the steam vent that ring pipe (3) is arranged,
Air admission hole (7) is uniformly arranged on the lower half tube wall of wireway (5), iron mouth of the delivery line (6) that wireway (5) connects from cupola well
(2) stretch out.
2. blast furnace opening iron mouth gas export control device according to claim 1, is characterized in that：Ring pipe (3) is annulus
Pipe or octagon endless tube.
3. blast furnace opening iron mouth gas export control device according to claim 1, is characterized in that：The bottom surface of ring pipe (3)
Height is adapted with the apical side height of cupola well iron mouth (2).
4. blast furnace opening iron mouth gas export control device according to claim 1, is characterized in that：The caliber of ring pipe (3)
For 129mm, ring pipe (3) is equal with the caliber of wireway (5).
5. blast furnace opening iron mouth gas export control device according to claim 1, is characterized in that：Wireway (5) dips down
Oblique angle is 5-10 ° for wireway (5) with horizontal angle.
6. blast furnace opening iron mouth gas export control device according to claim 1, is characterized in that：In ring pipe (3) and lead
The air admission hole (7) being uniformly arranged on tracheae (5) lower half tube wall discharges into pore (7), the aperture of air admission hole (7) for longitudinally disposed three
For 20-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917687.XU CN206014983U (en) | 2016-08-23 | 2016-08-23 | Blast furnace opening iron mouth gas export control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917687.XU CN206014983U (en) | 2016-08-23 | 2016-08-23 | Blast furnace opening iron mouth gas export control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206014983U true CN206014983U (en) | 2017-03-15 |
Family
ID=58249661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620917687.XU Expired - Fee Related CN206014983U (en) | 2016-08-23 | 2016-08-23 | Blast furnace opening iron mouth gas export control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206014983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216216A (en) * | 2019-11-22 | 2020-06-02 | 安阳钢铁股份有限公司 | Plastic pouring process for blast furnace taphole channel |
-
2016
- 2016-08-23 CN CN201620917687.XU patent/CN206014983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216216A (en) * | 2019-11-22 | 2020-06-02 | 安阳钢铁股份有限公司 | Plastic pouring process for blast furnace taphole channel |
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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: 20170315 Termination date: 20170823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |