CN105441611A - Method for replacing stock rod at blast furnace roof - Google Patents
Method for replacing stock rod at blast furnace roof Download PDFInfo
- Publication number
- CN105441611A CN105441611A CN201610017923.7A CN201610017923A CN105441611A CN 105441611 A CN105441611 A CN 105441611A CN 201610017923 A CN201610017923 A CN 201610017923A CN 105441611 A CN105441611 A CN 105441611A
- Authority
- CN
- China
- Prior art keywords
- stock rod
- central controller
- stock
- casing
- rod
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
Abstract
The invention provides a method for replacing a stock rod at a blast furnace roof and especially aims at a mechanical material detector. The method comprises the following steps: the stock rod is lifted to a dismounting position by hand, and the interlocked operation of a central controller of the mechanical material detector and the stock rod is interrupted on the central controller; a ball valve located on a box body of the stock rod and connected with the interior of a furnace body is closed, and an exhaust valve on the box body is opened to completely exhaust coal gas; and a manhole on the box body is opened, a stock rod master controller is disconnected from a universal joint hand, the interlocked operation of the central controller and the stock rod on the central controller is started on the central controller, the stock rod is dropped through virtualization of the central controller, and the central controller displays that the stock rod leaves the dismounting position. The method has the beneficial effects as follows: hand winding is not needed, an operator presses a button by hand to rotate a motor, and a bench worker only needs to lead a steel wire rope into a groove, so that the labor intensity is greatly reduced.
Description
Technical field
The present invention is that a kind of blast furnace roof changes stock rod method, particularly visits glassware for machinery.
Background technology
Concerning modern blast furnace, stable stockline is kept to be reach one of essential condition that accurate cloth and blast furnace normally work, it is the change of energy continuous probe furnace throat charge level to the equipment requirements visiting material, the type visiting the equipment of material is more, mainly contains machinery spy glassware, isotropic substance visits glassware, infrared rays visits glassware, glassware visited by radar.What the several blast furnace of current Taiyuan Iron and Steel Co. all adopted is that glassware visited by machinery, what 4350 cubic metres of blast furnaces adopted is rotor series resistance speed mode, central controller controls stroke, blast furnace probing rod is used to the charge level detecting the material such as ore and coke in blast furnace, for smelting operation personnel with below material in visual observation stove, control the material such as ore and coke to the discharge in stove simultaneously.Fig. 1 is each process station of stock rod in stove, and this position is controlled by central controller synchronization settings.
Resemble people without stock rod and lose eyes.Can cause charge level segregation, Gas Flow is disorderly, furnace condition disorder, so stock rod probe is once drop and must change immediately, existing exchonge step is as follows:
1. stock rod is manually carried to dismounting position, the central controller of machinery spy glassware disconnects the interlocked operation of central controller and stock rod;
2. the casing of closing stock rod connects the ball valve of furnace interior, opens venting ball valve emptying coal gas on casing;
3. open the access opening on casing, disconnect contacting of the main order of stock rod and universal catcher, manually dish starts that wheel changes steel cable, chain, stock rod are hammered into shape.
4. confirm that stock rod hammer is in dismounting position,
7. close and change access opening, close vent valve on clack box, open the ball valve casing of stock rod connecting furnace interior, come into operation after test run.
Need manpower manual jiggering, require great effort very much, intermediate demand is substituted jiggering in turn, and labour intensity is large.
Summary of the invention
Technical problem to be solved by this invention is: how to solve the problem that hand turning labour intensity is large.
The technical solution adopted in the present invention is: a kind of blast furnace roof changes stock rod method, carries out according to following step:
Step one, stock rod manually to be carried to dismounting position, the central controller visiting glassware disconnects the interlocked operation of central controller and stock rod at machinery;
The casing of step 2, closedown stock rod connects the ball valve of furnace interior, open vent valve emptying coal gas on casing;
Step 3, the access opening opened on casing, disconnect contacting of the main order of stock rod and universal catcher, central controller is opened the interlocked operation of central controller and stock rod, namely now central controller and stock rod are in virtual analog interlocked operation, declined by the virtual stock rod that makes of central controller, central controller display stock rod leaves dismounting position;
Step 4, operative employee's operation make electric machine rotation, and two operative employees coordinate replacing steel cable, chain, stock rod hammer, confirm that stock rod hammer is in dismounting position;
Step 5, to be risen by the virtual stock rod that makes of central controller, central controller display stock rod is in dismounting position, connect the main order of stock rod and universal catcher, close the access opening on casing, central controller disconnects the interlocked operation of central controller and stock rod, and namely now central controller and stock rod disconnect virtual analog interlocked operation;
Step 6, close vent valve on casing, the casing opening stock rod connects the ball valve of furnace interior;
Step 7, on central controller, open the interlocked operation of central controller and stock rod, come into operation after carrying out examination operation.
The invention has the beneficial effects as follows: do not need hand turning, to be touched the button electric machine rotation by operative employee's hand, pincers worker only needs guiding steel wire rope to enter groove, greatly reduces labour intensity.Avoid hand turning simultaneously and squeeze the mechanical wounding of hindering hand.Shorten replacing construction, greatly reduce the activity duration in coal gas region, avoid the possibility of carbon monoxide poisoning, safer.
Accompanying drawing explanation
Fig. 1 is each process station schematic diagram of stock rod in stove.
Embodiment
A kind of blast furnace roof changes stock rod method, and the present embodiment is for 5 blast furnaces of Shanxi Taiyuan Iron and Steel Co., and this working method can promote the use of on other large blast furnaces domestic
Specifically carry out according to following step:
Step one, stock rod manually carried to dismounting position, the central controller of machinery spy glassware disconnects the interlocked operation of central controller and stock rod, namely do not elect as " main scale " for corresponding stock rod at central controller, operating method choosing " scene ", stock rod is stopped behind dismounting position, central controller operation choosing " stopping ", continues normal charging automatically;
The casing of step 2, closedown stock rod connects the ball valve of furnace interior, open vent valve emptying coal gas on casing;
Step 3, the access opening opened on casing, disconnect contacting of the main order of stock rod and universal catcher, central controller is opened the interlocked operation of central controller and stock rod, namely now central controller and stock rod are in virtual analog interlocked operation, declined by the virtual stock rod that makes of central controller, central controller display stock rod leaves dismounting position (after leaving dismounting position, central controller does not need choosing " stopping " can normal automatic charge yet);
Step 4, operative employee's operation make electric machine rotation, two operative employees coordinate replacing steel cable, chain, stock rod hammer, confirm that stock rod hammer is in dismounting position (namely from stock rod hammer upper surface to dismantling the distance of positions from being 400 millimeters, if not 400 millimeters, stock rod is hammered into shape and drops on dismounting position, after chain loosens, adjustment rope capacity), press " decline " button when removing old wireline, when filling new wireline, press " dismounting position " button;
Step 5, to be risen by the virtual stock rod that makes of central controller, central controller display stock rod is in dismounting position, connect the main order of stock rod and universal catcher, close the access opening on casing, central controller disconnects the interlocked operation of central controller and stock rod, and namely now central controller and stock rod disconnect virtual analog interlocked operation;
Step 6, close vent valve on casing, the casing opening stock rod connects the ball valve of furnace interior;
Step 7, on central controller, open the interlocked operation of central controller and stock rod, come into operation after carrying out examination operation.
Compared with prior art
1. save personnel aspect:
The pincers worker that originally needs 5 are skilled, only needs the pincers worker that 3 are skilled now.
2. save manpower aspect:
Originally needed manpower manual jiggering, and required great effort very much, intermediate demand is substituted jiggering in turn, does not need hand turning now, and to be touched the button electric machine rotation by operative employee's hand, pincers worker only needs guiding steel wire rope to enter groove, greatly reduces labour intensity.
3. to save time aspect:
Due to need not jiggering manually, with electronic, substantially reduce replacing construction, originally needed 5-6 hours, only need 2--2.5 hour now.
4. secure context:
Due to without hand turning, avoid the mechanical wounding squeezing and hinder hand; Owing to shortening replacing construction, greatly reduce the activity duration in coal gas region, avoid the possibility of carbon monoxide poisoning, safer.
Claims (1)
1. blast furnace roof changes a stock rod method, it is characterized in that carrying out according to following step:
Step one, stock rod manually to be carried to dismounting position, the central controller visiting glassware disconnects the interlocked operation of central controller and stock rod at machinery;
The casing of step 2, closedown stock rod connects the ball valve of furnace interior, open vent valve emptying coal gas on casing;
Step 3, the access opening opened on casing, disconnect contacting of the main order of stock rod and universal catcher, central controller is opened the interlocked operation of central controller and stock rod, namely now central controller and stock rod are in virtual analog interlocked operation, declined by the virtual stock rod that makes of central controller, central controller display stock rod leaves dismounting position;
Step 4, operative employee's operation make electric machine rotation, and two operative employees coordinate replacing steel cable, chain, stock rod hammer, confirm that stock rod hammer is in dismounting position;
Step 5, to be risen by the virtual stock rod that makes of central controller, central controller display stock rod is in dismounting position, connect the main order of stock rod and universal catcher, close the access opening on casing, central controller disconnects the interlocked operation of central controller and stock rod, and namely now central controller and stock rod disconnect virtual analog interlocked operation;
Step 6, close vent valve on casing, the casing opening stock rod connects the ball valve of furnace interior;
Step 7, on central controller, open the interlocked operation of central controller and stock rod, come into operation after carrying out examination operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017923.7A CN105441611B (en) | 2016-01-13 | 2016-01-13 | A kind of blast furnace roof changes stock rod method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017923.7A CN105441611B (en) | 2016-01-13 | 2016-01-13 | A kind of blast furnace roof changes stock rod method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105441611A true CN105441611A (en) | 2016-03-30 |
| CN105441611B CN105441611B (en) | 2017-07-25 |
Family
ID=55552233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610017923.7A Active CN105441611B (en) | 2016-01-13 | 2016-01-13 | A kind of blast furnace roof changes stock rod method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105441611B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628674A (en) * | 2018-12-20 | 2019-04-16 | 包头钢铁（集团）有限责任公司 | The repair method of top gas sealing cover |
| CN115354102A (en) * | 2022-08-08 | 2022-11-18 | 阳春新钢铁有限责任公司 | System and method for on-line checking zero position of mechanical trial rod of blast furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276577Y (en) * | 2008-09-28 | 2009-07-22 | 中冶南方工程技术有限公司 | Compact vertical stock rod |
| CN103305646A (en) * | 2013-05-21 | 2013-09-18 | 河北钢铁股份有限公司唐山分公司 | Sounding rod debugging device for determining datum point of blast-furnace charge level and debugging and positioning method of device |
-
2016
- 2016-01-13 CN CN201610017923.7A patent/CN105441611B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276577Y (en) * | 2008-09-28 | 2009-07-22 | 中冶南方工程技术有限公司 | Compact vertical stock rod |
| CN103305646A (en) * | 2013-05-21 | 2013-09-18 | 河北钢铁股份有限公司唐山分公司 | Sounding rod debugging device for determining datum point of blast-furnace charge level and debugging and positioning method of device |
Non-Patent Citations (2)
| Title |
|---|
| 沈文卫 等: "高炉外置式机械探尺在武钢的应用", 《中国设备工程》 * |
| 郭玉冶: "高炉探尺电气控制系统研究", 《太钢科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628674A (en) * | 2018-12-20 | 2019-04-16 | 包头钢铁（集团）有限责任公司 | The repair method of top gas sealing cover |
| CN115354102A (en) * | 2022-08-08 | 2022-11-18 | 阳春新钢铁有限责任公司 | System and method for on-line checking zero position of mechanical trial rod of blast furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105441611B (en) | 2017-07-25 |
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