CN213652545U - A trompil device for improving incomplete indisputable pore angle precision of blast furnace - Google Patents
A trompil device for improving incomplete indisputable pore angle precision of blast furnace Download PDFInfo
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- CN213652545U CN213652545U CN202022324338.6U CN202022324338U CN213652545U CN 213652545 U CN213652545 U CN 213652545U CN 202022324338 U CN202022324338 U CN 202022324338U CN 213652545 U CN213652545 U CN 213652545U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to the technical field of metallurgy, in particular to a tapping device for improving the angle accuracy of a blast furnace residual iron channel, wherein a residual iron groove steel shell is a U-shaped groove, and an inclined refractory groove which is wide at the top and narrow at the bottom is filled and built by refractory materials; two parallel positioning channel steel are laid at the bottom of the fire-resistant groove, a plurality of groups of threaded holes are uniformly formed in the positioning channel steel, and the angle adjusting bolt is screwed in. The drill rod is arranged in front of the rock drill and is opposite to the punching position of the residual iron hole; the rock drill is fixed on a movable trolley at the bottom, and the positioning rollers are respectively clamped at the two outer sides of the positioning channel steel; and adjusting the inclination angle of the positioning channel steel through the angle adjusting bolt to enable the drill rod to be collinear with the central line of the residual iron hole to be formed. The utility model discloses the rock drill is done directional motion on the location channel-section steel with the travelling car together, has solved trompil in-process rock drill and has been difficult to control, and upper and lower, horizontal hunting range is big, and the big and long problem of trompil activity duration of trompil angular migration.
Description
Technical Field
The utility model relates to the technical field of metallurgy, in particular to a trompil device for improving blast furnace residual iron pore angle precision.
Background
When the first-generation blast furnace service is terminated, a hole is required to be formed at a certain position of a furnace shell below a taphole, and liquid slag iron stored in a dead iron layer of a hearth is drained from a residual iron hole channel as much as possible. Therefore, the precision of the opening angle of the residual iron pore canal is high, and the angle deviation is within +/-0.5 degrees.
The tool for opening the residual iron hole channel is a rock drill, and the traditional method is as follows: the rope is tied on two handles of the rock drill, and when the rope is used, the tail of the rock drill is manually supported and pushed to control the advancing angle of the rock drill. During the drilling process, the rock drill swings leftwards and rightwards slightly, but the rock drill has a variable quantity of-100 mm to +100mm in the height direction, and the angle deviation is calculated to be about-2 degrees to +2 degrees according to the total length of the rock drill and a drill rod of 2.8 meters. Because the trompil angle changes, the unable predetermined position of arriving of pore inside, and the liquid slag iron residue is big in the crucible, increases the crucible clearance degree of difficulty before overhauing, and the overhaul time limit for a project can not be controlled. Meanwhile, the traditional method has the advantages that the operation time of hole opening is over 5 hours, and the consumed time is long due to the influences of severe vibration of the rock drill during use and limited operation space.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a trompil device for improving blast furnace scrap hole way angle precision designs a fixed angle of location channel-section steel, and the rock drill is done directional motion's device on the location channel-section steel with the travelling car together, has solved the difficult control of trompil in-process rock drill, and the upper and lower, horizontal hunting range is big, and the big and long problem of trompil activity duration of trompil angular migration.
The specific technical scheme is as follows:
a tapping device for improving the angle accuracy of a blast furnace residual iron channel comprises a residual iron groove steel shell, a rock drill, a drill rod, a positioning channel steel and a moving trolley; the residual iron groove steel shell is a U-shaped groove and is fixedly arranged on a supporting platform, and the supporting platform is positioned on the outer sides of the cooling wall and the furnace shell below the blast furnace mouth; an inclined refractory groove with a wide upper part and a narrow lower part is formed in the steel shell of the residual iron groove by filling and building refractory materials; two parallel positioning channel steels are laid at the bottom of the fire-resistant groove, a plurality of groups of threaded holes are uniformly formed in the positioning channel steels, an angle adjusting bolt is screwed in, and the drill rod is installed in front of the rock drill and is opposite to the punching position of the residual iron hole; the rock drill is fixed on the moving trolley, two sides of the bottom of the moving trolley are respectively provided with two positioning rollers, and the positioning rollers are respectively clamped at two sides near the outer side of the positioning channel steel; the inclination angle of the positioning channel steel is adjusted by screwing out a plurality of groups of angle adjusting bolts, so that the drill rod and the central line of the residual iron hole to be formed are collinear.
The supporting platform is movable, horizontal or inclined and is respectively suitable for small angles and large angles of the residual iron holes to be formed.
The included angle between the side wall of the fire-resistant groove and the vertical direction is 15-30 degrees.
The rock drill uses air pressure wind as a power source.
The distance between the two sides of the positioning roller is 3-5mm larger than the distance between the outer sides of the positioning channel steel.
The moving trolley is manually pushed.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
the utility model provides an trompil in-process rock drill wayward, the upper and lower horizontal hunting range is big, the big and long problem of trompil activity duration of trompil angular migration. The utility model discloses a multiunit angle adjusting bolt's the inclination of twisting out adjustment location channel-section steel, make the drilling rod with wait to set up the incomplete iron hole central line collineation, do the directional motion with rock drill and travelling car together on the location channel-section steel to directional completion drilling, location gyro wheel both sides interval is greater than location channel-section steel outside interval 3-5mm, does not have the card during the travelling car motion and hinders, also the horizontal hunting. After the device is used, the tapping operation time is shortened from more than 5h to within 2h, the deviation between the angle of the residual iron hole channel and the target angle is shortened from minus 2 degrees to plus 2 degrees to within 0.5 degrees, the residual iron hole in the furnace accurately reaches a preset position, and the residual amount of liquid molten iron in the furnace cylinder is basically zero. The supporting platform is movable, the horizontal or inclined form can be selected according to the angle of the residual iron hole to be formed, and especially when the angle of the residual iron hole to be formed is too large, the burden of adjusting the inclination angle of the positioning channel steel through a plurality of groups of angle adjusting bolts can be reduced through the self-inclined degree of the supporting platform.
The utility model discloses set up the integrated device in the fire-resistant groove, waste material, the residue that produces in the drilling can be accepted by the fire-resistant groove, can not splash and damage other devices.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
fig. 2 is a schematic cross-sectional view of the steel shell with the groove made of residual iron according to the present invention.
In the figure, 1 — rock drill; 2, drilling a drill rod; 3, positioning channel steel; 4, moving the trolley; 5, supporting a platform; 6-refractory material; 7, positioning rollers; 8-angle adjusting bolt; 9-residual iron groove steel shell; 10-furnace shell; 11-stave coolers; 12-punching position of residual iron hole; 13-center line of residual iron hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings, but the scope of the present invention is not limited to the accompanying drawings.
Fig. 1 is the structure schematic diagram of the device of the utility model, fig. 2 is the cross-sectional schematic diagram of the scrap groove steel shell of the utility model, as shown in the figure: the tapping device for improving the angle accuracy of the blast furnace residual iron pore canal of the utility model comprises a residual iron groove steel shell 9, a rock drill 1, a drill rod 2, a positioning channel steel 3 and a movable trolley 4; the steel shell 9 of the residual iron groove is a U-shaped groove and is fixedly arranged on the supporting platform 5, and the supporting platform 5 is positioned on the outer sides of the cooling wall 11 and the furnace shell 10 below the blast furnace mouth; an inclined refractory groove with a wide upper part and a narrow lower part is formed in the steel shell 9 of the residual iron groove by filling and building refractory materials 6; two parallel positioning channel steels 3 are laid at the bottom of the fire-resistant groove, a plurality of groups of threaded holes are uniformly formed in the positioning channel steels 3, angle adjusting bolts 8 are screwed in, and the drill rod 2 is installed in front of the rock drill 1 and opposite to the drilling position 12 of the residual iron hole; the rock drill 1 is fixed on the movable trolley 4, two sides of the bottom of the movable trolley 4 are respectively provided with two positioning rollers 7, and the positioning rollers 7 are respectively clamped at two sides of the outer side of the positioning channel steel 3; the inclination angle of the positioning channel steel 3 is adjusted by screwing out a plurality of groups of angle adjusting bolts 8, so that the drill rod 2 is collinear with the central line 13 of the residual iron hole to be formed. The supporting platform 5 is movable, and the supporting platform 5 is horizontal or inclined and is respectively suitable for small angles and large angles of the residual iron holes to be formed. The lateral wall of the fire-resistant groove forms an included angle of 15 degrees with the vertical direction. The rock drill uses air pressure wind as a power source. The distance between the two sides of the positioning roller 7 is larger than the distance between the outer sides of the positioning channel steel 3 by 3 mm. The running of the moving trolley 4 is manually pushed.
When the device works, a supporting platform is selected according to the angle of a residual iron hole to be formed, and a horizontal supporting platform 5 is selected when the angle of the residual iron hole to be formed is smaller; when the angle of the residual iron hole is larger, the supporting platform 5 with a certain inclination is selected. After the support platform 5 is selected, the support platform 5 is moved to the cooling stave 11 below the blast furnace taphole and the outer side of the furnace shell 10 is fixed on the ground. And adjusting an angle adjusting bolt 8 again, wherein the angle adjusting bolt is used for adjusting the inclination angle of the positioning channel steel 3, so that the drill rod 2 and the central line 13 of the residual iron hole to be formed are collinear, and the positioning rollers 7 of the movable trolley 4 are respectively clamped at the two outer sides of the positioning channel steel 3 and move freely in the length direction. And starting the rock drill 1, pushing the moving trolley 4 along the positioning channel steel 3, so that the rock drill 1 and the moving trolley 4 make directional motion on the positioning channel steel 3 together, and drilling the residual iron hole by the drill rod 2 and the central line 13 of the residual iron hole to be drilled in a collinear manner. And after drilling is finished, the movable trolley 4 is pulled back to return, and the rock drilling machine 1 is closed. After the device is used, the tapping operation time is shortened from more than 5h to within 2h, the deviation between the angle of the residual iron hole channel and the target angle is shortened from minus 2 degrees to plus 2 degrees to within 0.5 degrees, the residual iron hole in the furnace accurately reaches a preset position, and the residual amount of liquid molten iron in the furnace cylinder is basically zero.
Claims (6)
1. The utility model provides a trompil device for improving blast furnace incomplete iron pore angle precision which characterized in that: the device comprises a scrap channel steel shell, a rock drill, a drill rod, a positioning channel steel and a movable trolley; the residual iron groove steel shell is a U-shaped groove and is fixedly arranged on a supporting platform, and the supporting platform is positioned on the outer sides of the cooling wall and the furnace shell below the blast furnace mouth; an inclined refractory groove with a wide upper part and a narrow lower part is formed in the steel shell of the residual iron groove by filling and building refractory materials; two parallel positioning channel steels are laid at the bottom of the fire-resistant groove, a plurality of groups of threaded holes are uniformly formed in the positioning channel steels, an angle adjusting bolt is screwed in, and the drill rod is installed in front of the rock drill and is opposite to the punching position of the residual iron hole; the rock drill is fixed on the moving trolley, two sides of the bottom of the moving trolley are respectively provided with two positioning rollers, and the positioning rollers are respectively clamped at two sides near the outer side of the positioning channel steel; the inclination angle of the positioning channel steel is adjusted by screwing out a plurality of groups of angle adjusting bolts, so that the drill rod and the central line of the residual iron hole to be formed are collinear.
2. The tapping device for improving the accuracy of the angle of the iron channel of the blast furnace as claimed in claim 1, wherein: the supporting platform is movable, horizontal or inclined and is respectively suitable for small angles and large angles of the residual iron holes to be formed.
3. The tapping device for improving the accuracy of the angle of the iron channel of the blast furnace as claimed in claim 1, wherein: the included angle between the side wall of the fire-resistant groove and the vertical direction is 15-30 degrees.
4. The tapping device for improving the accuracy of the angle of the iron channel of the blast furnace as claimed in claim 1, wherein: the rock drill uses air pressure wind as a power source.
5. The tapping device for improving the accuracy of the angle of the iron channel of the blast furnace as claimed in claim 1, wherein: the distance between the two sides of the positioning roller is 3-5mm larger than the distance between the outer sides of the positioning channel steel.
6. The tapping device for improving the accuracy of the angle of the iron channel of the blast furnace as claimed in claim 1, wherein: the moving trolley is manually pushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022324338.6U CN213652545U (en) | 2020-10-19 | 2020-10-19 | A trompil device for improving incomplete indisputable pore angle precision of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022324338.6U CN213652545U (en) | 2020-10-19 | 2020-10-19 | A trompil device for improving incomplete indisputable pore angle precision of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213652545U true CN213652545U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022324338.6U Active CN213652545U (en) | 2020-10-19 | 2020-10-19 | A trompil device for improving incomplete indisputable pore angle precision of blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213652545U (en) |
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2020
- 2020-10-19 CN CN202022324338.6U patent/CN213652545U/en active Active
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