CN2170307Y - Device for adding coke at center of blast furnace - Google Patents
Device for adding coke at center of blast furnace Download PDFInfo
- Publication number
- CN2170307Y CN2170307Y CN 93237739 CN93237739U CN2170307Y CN 2170307 Y CN2170307 Y CN 2170307Y CN 93237739 CN93237739 CN 93237739 CN 93237739 U CN93237739 U CN 93237739U CN 2170307 Y CN2170307 Y CN 2170307Y
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- coke
- chute
- center
- receiving hopper
- Prior art date
- 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
Links
Abstract
The utility model discloses a device for adding the coke at the center of the blast furnace which a novel device with the ability to add the coke at the center of the blast furnace. A part of the coke can be easily shunted to a novel coke hopper through a turning plate arranged in a receiving hopper arranged on the top of the blast furnace. The turning plate is arranged on the side surface of the receiving hopper, and rectangular-shaped holes are arranged on the side surface which is provided with the turning plate. The volume of the novel coke hopper is adjustable, and the adding quantity of the coke can be controlled, so complex weighing systems can be omitted. The shunted coke can be accurately added to the center of the blast furnace through a movable chute which can be extended into the blast furnace. The utility model has the advantages of simple structure, convenient manufacture, etc.
Description
The utility model belongs to technical field of blast furnace process, is specifically related to a kind of blast furnace central coke device.
After Japan adds left river job number blast furnace employing central coke device technique, the blast-furnace technique economic target is greatly improved, but the central coke device that it adopts is because the coke chute length that stretches in the stove is fixed, therefore, when in blast furnace is produced, changing stockline or coke size and the bigger variation of gas velocity generation, just be difficult to guarantee that the coke along the coke chute falls can drop on the blast furnace centre that scope is subjected to smelting restriction exactly.This device also need be established weighing funnel the coke that distributes is carried out weighing, makes the Controlling System link increase complex structure.USSR (Union of Soviet Socialist Republics) is looked into the center dress coke installation that the assorted Iron And Steel Company of POLO blast furnace adopts the great bell perforate in addition
［ 2 ］, also have the deficiency of the amount of coke that is difficult to control the adding center, and relative assembly is in all in the stove, bring difficulty for maintenance and replacing.
It is a kind of simple in structure that the purpose of this utility model is to provide, and can successfully distribute the amount of coke that needs, and can make the blast furnace central coke device of coke cloth to the blast furnace center exactly.
Blast furnace central coke device of the present utility model is mainly by connecing burnt bucket, compositions such as upper-lower seal valve, Chu Jiaoguan, chute case and receiving hopper.Turnover panel (1) is installed on the side of furnace roof receiving hopper (8), on this side, has slot.The keying of turnover panel (1) is adopted pneumatic, cylinder is located at the outside of furnace roof receiving hopper (8), thereby drive the rotating plate shaft rotation by a cover connecting rod turnover panel (1) is opened and closed, cylinder is provided with travel switch, and the opened and closed positions of turnover panel (1) shows at the blast furnace watchroom with signal lamp.
Connect burnt bucket (2) and be rectangular casing, on hopper (8), it connects burnt bucket (2) bottom and both sides are fixed by welded and installed, and upside is a movable volume volume adjustment plate (10).Adjusting screw(rod) (9) is set on volume adjustment plate (10), control the volume that connects burnt bucket (2) by the position that adjusting screw(rod) (9) can volume adjusted adjustable plate (10), thereby control enters the amount of coke that connects burnt struggle against (2) by furnace roof receiving hopper (8) side slot.Remove complicated Weighing system from this constant volume method control amount of coke, simplified the central coke process.Connect burnt bucket (2) bottom surface small-sized logical sequence wall vibrations device (11) is housed, be bonded on the inwall that connects burnt bucket (2), and impel and connect burnt bucket (2) inner coke and all enter in the Chu Jiaoguan (4) to prevent coke powder
Chute (6) is in chute case (12) and be bearing on the quadruplet retaining carrying roller (13), chute case (12) is installed on the burner box hat by flange (14), on the nigh platform of its bottom supporting, retaining carrying roller (13) passes tightness system and is bearing on the outer bearing of chute case (12).Chute (6) can move freely under the effect of heat-resisting chain (15) and chute reel (7) along its length, because chute stretches into the adjustable length in the stove, so can guarantee coke leave behind the chute (6) fall track and the charge level height adapts, this just can be exactly with coke cloth to the blast furnace central position.
Upper sealing valve (3) and lower seal valve (5) adopt pneumatic ball valve, and its material should be able to guarantee life-time service under 400---600 ℃ of temperature, and travel switch is housed on the pneumatic ball valve, and the open and-shut mode of valve is shown in the blast furnace watchroom.The utility model provides blast furnace central coke device, equalizing device need be set because upper sealing valve (3) and lower seal valve (5) adopt beg ball valve, allow valve before and after pressure reduction under 0.5MPa, open and close.
Elaborate below in conjunction with the operating process of accompanying drawing this device:
Accompanying drawing 1 is the structure iron of the utility model blast furnace central coke device;
Wherein: turnover panel 1 connects burnt bucket 2, upper sealing valve 3, the burnt pipe 4 of storage, lower seal valve 5, chute 6, chute reel 7, receiving hopper 8, adjusting screw(rod) 9, volume adjustment plate 10, logical sequence wall vibrations device 11, chute case 12, retaining carrying roller 13, flange 14, heat-resisting chain 15.
When unloading to furnace roof receiving hopper (8), truck or belt turnover panel (1) is opened before burnt, when truck or belt during to furnace roof receiving hopper (8) discharging, part of coke will flow into by the slot on furnace roof receiving hopper (8) side and connect in the burnt bucket (2), open upper sealing valve (3) and logical sequence wall vibrations device (11) subsequently, the coke that makes turnover panel (1) and connect on the burnt bucket (2) flows in the Chu Jiaoguan (4), close turnover panel (1) after 20 seconds, logical sequence wall vibrations device (11) and upper sealing valve (3).When needs during to the blast furnace central coke, light extend into appropriate location in the stove with chute (6), opens lower seal valve (5) then, makes coke pass through lower seal valve (5) and chute (6) drops down onto the blast furnace center.After central coke finishes, immediately chute (6) is recovered to original position, and closes lower seal valve (5).
The utility model central coke device is because most equipment is convenient to installation and maintenance outside stove, also have simple in structure simultaneously, amount of coke is controlled easily, the accurate cloth of coke is to characteristics such as blast furnace centers, be widely used in the installation of clock valve formula blast furnace, especially clock valve formula skew bridge material loading blast furnace is realized the central coke technology.
Documents:
[1] " iron
Steel " 1987.vo173 No2 ' 87～S756
[2] " ironmaking " 1992 No4 51～54
Claims (4)
1, a kind of blast furnace central coke device, comprise turnover panel, meet burnt bucket, upper-lower seal valve, Chu Jiaoguan, it is characterized in that: turnover panel (1) is installed on the side of furnace roof receiving hopper (8), on this side, have slot, chute (6) is in chute case (12) and be bearing on the quadruplet retaining carrying roller (13), and chute case (12) is installed on the burner box hat by flange (14).
2, the blast furnace central coke dress of stating according to claim 1 is characterized in that: connect burnt bucket (2) and be rectangular casing, on receiving hopper (8), its bottom and both sides that connect burnt bucket (2) are fixed by welded and installed.Upside is an activity volume adjustment plate (10), and adjusting screw(rod) (9) is set on volume adjustment plate (10).
3, blast furnace central coke device according to claim 1 is characterized in that: retaining carrying roller (13) passes tightness system and is bearing on the outer bearing of chute case (12).
4, blast furnace central coke device according to claim 1 and 2 is characterized in that: connect burnt bucket (2) bottom surface small-sized logical sequence wall vibrations device (11) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93237739 CN2170307Y (en) | 1993-10-11 | 1993-10-11 | Device for adding coke at center of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93237739 CN2170307Y (en) | 1993-10-11 | 1993-10-11 | Device for adding coke at center of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2170307Y true CN2170307Y (en) | 1994-06-29 |
Family
ID=33812628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93237739 Expired - Fee Related CN2170307Y (en) | 1993-10-11 | 1993-10-11 | Device for adding coke at center of blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2170307Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513583C (en) * | 2003-07-23 | 2009-07-15 | Z&J技术有限公司 | Charge distributing device in at least two parts above a bunker installed at the shaft furnace top |
| CN108950114A (en) * | 2018-09-14 | 2018-12-07 | 柳州钢铁股份有限公司 | The accurate cloth coking process of blast furnace |
-
1993
- 1993-10-11 CN CN 93237739 patent/CN2170307Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513583C (en) * | 2003-07-23 | 2009-07-15 | Z&J技术有限公司 | Charge distributing device in at least two parts above a bunker installed at the shaft furnace top |
| CN108950114A (en) * | 2018-09-14 | 2018-12-07 | 柳州钢铁股份有限公司 | The accurate cloth coking process of blast furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |