CN206814799U - A kind of device of tap hole of blast furnace positioning - Google Patents
A kind of device of tap hole of blast furnace positioning Download PDFInfo
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- CN206814799U CN206814799U CN201720448684.0U CN201720448684U CN206814799U CN 206814799 U CN206814799 U CN 206814799U CN 201720448684 U CN201720448684 U CN 201720448684U CN 206814799 U CN206814799 U CN 206814799U
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Abstract
A kind of device of tap hole of blast furnace positioning is the utility model is related to, belongs to blast furnace ironmaking equipment technical field.Technical scheme is：Drilling rod（1）One end be fixed on dolly（4）On, drilling rod（1）The other end be provided with drill bit（6）, drilling rod（1）Close to drill bit（6）One end be provided with fixed hook（7）, the lower scale of depth in scale of depth system（9）It is fixed on vehicle guide（3）Side on, with lower scale of depth（9）Corresponding upper scale of depth（8）It is fixed on crossbeam（2）On, scale movable pointer（12）It is fixed on dolly（4）On, spray system（14）Positioned at fixed hook（7）Top, spray system（14）In hanging cooling water pipe（10）Pass through flexible pipe of fetching water（19）And ball valve（20）Connection.The beneficial effects of the utility model are：Being capable of accurate on-line measurement iron mouth opening depth.Avoid hook abrasion deformation from causing iron mouth eye position to offset, extend hook service life.
Description
Technical field
A kind of tap hole of blast furnace is the utility model is related to, belongs to blast furnace ironmaking equipment technical field.
Background technology
The advanced technologies such as modernization large blast furnace is generally blocked up using high pressure, zero interval is tapped a blast furnace, requirement is tapped a blast furnace to stokehold not
It is disconnected to improve.Accurate control iron mouth depth is required during per stove iron opening, ensures qualification rate more than 95%；Per the control of stove iron opening time
Within ± 3 minutes；Come to require disposable success of blocking up during wind locking mouth every time, avoiding iron mouth eye not just, run mud even it is stifled incessantly
The accident of mouth occurs.To improve iron mouth qualification rate, reducing stokehold accident rate, meet above blast fumance needs, blast furnace is to stokehold
Equipment, particularly tapping machine precision and stability requirement are very high.
At present, during domestic blast furnace opening, for iron mouth depth based on estimating, the degree of accuracy is low, it is difficult to meets that blast furnace accurately controls
The requirement of iron mouth depth；Work inclement condition is hung in tapping machine front end during opening, and drilling when disclosing iron mouth with being intended to by height every time
Warm slag iron is washed away, it is easy to scaling loss and deformation, tapping machine front position can be made when reusing or remake hanging
Skew, iron mouth eye is caused certain deviation occur, big gun head can not be aligned with iron mouth eye and squeeze mud when the lighter blocks up, and severe one is not blocked up
Mouthful, occur running iron accident, influence conditions of blast furnace, it is fragile by hanging, it is serious to reduce tapping machine stability, it is difficult to meet that blast furnace is given birth to
Production requires.
Utility model content
The utility model purpose is to provide a kind of device of tap hole of blast furnace positioning, can accurately control opening depth, keep away
Exempting from hook abrasion deformation causes iron mouth eye position to offset, and solves problem present in background technology.
The technical solution of the utility model is：
The device of a kind of tap hole of blast furnace positioning, comprising drilling rod, crossbeam, vehicle guide, dolly, hydraulic motor, drill bit, solid
Fixed hook, scale of depth system, spray system and Removable hook, the lower section of crossbeam are provided with vehicle guide, and dolly is located at dolly and led
On rail, dolly is connected with fluid motor-driven, and one end of drilling rod is fixed on dolly, and the other end of drilling rod is provided with drill bit, drilling rod
Fixed hook is provided with close to one end of drill bit, Removable hook is fixed on crossbeam by Removable hook base, the scale of depth
System includes upper scale of depth, lower scale of depth and scale movable pointer, and lower scale of depth is fixed on the side of vehicle guide,
The upper scale of depth corresponding with lower scale of depth is fixed on crossbeam, and scale movable pointer is fixed on dolly, the spray
System is located at the top of fixed hook, and spray system includes hanging cooling water pipe, fetch water flexible pipe and ball valve, and hanging cooling water pipe leads to
Flexible pipe of fetching water is crossed to connect with ball valve.
Scale movable pointer in the scale of depth system is provided with wearing-proof bearing.
Scale movable pointer in the scale of depth system is fixed between the front and back wheel of dolly.
The Removable hook is close to fixed hook.
Ball valve in the spray system is located at the top of fixed hook.
Using the utility model, drilling rod drives movable pointer to advance with drill bit under dolly traction, now movable pointer pair
The scale and numerical value of upper scale of depth and lower scale of depth in the scale of depth system answered are exactly iron mouth depth, and the degree of accuracy is high,
It disclosure satisfy that blast furnace accurately controls the requirement of iron mouth depth.Standby hook of the Removable hook as fixed hook, during opening, first make
With fixed hook opening, fixed hook hangs up Removable hook, does not interfere with opening progress at once once damaging.When opening is paramount
Temperature section, when being largely blown aglow chip, open spray system and cooled down, avoid linking up with the too high formation abrasion of temperature, extend and hang
Hook service life.
The beneficial effects of the utility model are：Can accurate on-line measurement iron mouth opening depth, meet technological requirement.Avoid
Hook abrasion deformation causes iron mouth eye position to offset, and extends hook service life, ensures the stability of tapping machine.
Brief description of the drawings
Fig. 1 is background technology structural representation；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the utility model rear end enlarged diagram；
Fig. 4 is the utility model front end enlarged diagram；
Fig. 5 is the utility model fixed hook scheme of installation；
Fig. 6 is that the utility model Removable hook installs front view；
Fig. 7 is that the utility model Removable hook installs side view；
Fig. 8 is the utility model spray system front view；
Fig. 9 is the utility model spray system side view；
In figure：Drilling rod 1, crossbeam 2, vehicle guide 3, dolly 4, hydraulic motor 5, drill bit 6, fixed hook 7, upper scale of depth
8th, lower scale of depth 9, hanging cooling water pipe 10, iron mouth depth value 11, scale movable pointer 12, wearing-proof bearing 13, spray system
System 14, Removable hook 15, bolt and nut 16, Removable hook base 17, hose coupling 18, flexible pipe 19 of fetching water, ball valve 20.
Embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
Referring to the drawings 2-9, a kind of device of tap hole of blast furnace positioning, comprising drilling rod 1, crossbeam 2, vehicle guide 3, dolly 4,
Hydraulic motor 5, drill bit 6, fixed hook 7, scale of depth system, spray system 14 and Removable hook 15, the lower section of crossbeam 2 are provided with
Vehicle guide 3, dolly 4 are located on vehicle guide 3, and dolly 4 and the drive connection of hydraulic motor 5, one end of drilling rod 1 is fixed on dolly
On 4, the other end of drilling rod 1 is provided with drill bit 6, and drilling rod 1 is provided with fixed hook 7 close to one end of drill bit 6, and Removable hook 15 passes through work
Dynamic hook pedestal 17 is fixed on crossbeam 2, and the scale of depth system includes upper scale of depth 8, lower scale of depth 9 and scale and lived
Dynamic pointer 12, lower scale of depth 9 are fixed on the side of vehicle guide 3, the upper scale of depth 8 corresponding with lower scale of depth 9
It is fixed on crossbeam 2, scale movable pointer 12 is fixed on dolly 4, and the spray system 14 is located at the top of fixed hook 7,
Spray system 14 includes hanging cooling water pipe 10, fetch water flexible pipe 19 and ball valve 20, and hanging cooling water pipe 10 passes through flexible pipe 19 of fetching water
Connected with ball valve 20.
In the present embodiment：
Referring to the drawings 2,3,4, tapping machine scale of depth system, can accurate on-line measurement iron mouth opening depth, comprising upper
Scale of depth 8, lower scale of depth 9 and scale movable pointer 12.
Referring to the drawings 3, scale movable pointer 12：Two round steel are welded in tapping machine dolly upper surface as movable pointer, it is long
About 150mm diameter about 40mm, size are defined in order to observe.Prior pointer is located at front-wheel and middle wheel centre position, for conventional activity
Pointer, backpointer is positioned at middle wheel with being standby movable pointer among trailing wheel.During in order to prevent that movable pointer abrasion is open with reducing
Dolly is moved left and right, and the plain bearing directly on set on pointer, as positioning bearing, bearing point solid welding is scheduled on pointer, up and down
Position is not defined by underside bearing surface with dolly steel plate friction.Bearing bore diameter is consistent with movable pointer external diameter, and bearing outside diameter is to pacify
Bearing outline is defined apart from 10~20mm of trolley track side wall after dress.When tapping machine dolly advances, it can move left and right, locating shaft
Hold and reduce dolly or so distance, and by being in rolling contact on tapping machine guiding cheekn, reduce movable pointer wheel wear.
Referring to the drawings 4, lower scale of depth 9：Drilling rod 1 will be installed, before the tapping machine of drill bit 6 goes to taphole mud sleeve, promoted
Tapping machine dolly makes at 0 meter of iron mouth depth, of slate pencil in the side wall of the vehicle guide 3 of the parallel position of scale movable pointer 12
Easy to remember number, this is labeled as 0 meter of iron mouth depth.Tapping machine is produced to normal position, using the mark at 0 meter just now as with box chi
The position of tapping machine depth capacity is measured in the side wall of vehicle guide 3, and mark is carried out in the side wall of vehicle guide 3
（3200m3 blast furnace depth capacitys are generally 4.0 meters or so）；Then often subtract 100mm depth in the side wall of vehicle guide 3 and do one
Mark, totally 10~15 marks（15 or so, generally higher than 3000m3 blast furnace, 13,2000~3000m3 blast furnace,
10, below 2000m3 blast furnaces）, the sidewall spaces of vehicle guide 3 are too small to be placed a wheal with often subtracting 200mm depth；It
Afterwards, the scale label block burn-on at the mark of the side wall of tapping machine vehicle guide 3, size is according to the determination of tapping machine size, 3200m
3 blast furnaces are about：Long 100mm × wide 30mm × thick 10mm, size are easy to observation；Finally, sprayed on calibration block with paint
Iron mouth depth value, as scale under observation opening depth.
Referring to the drawings 4, upper scale of depth 8：The beam surface upper of scale, scale label of burn-oning under each opening depth
Block, size are also to be determined according to tapping machine size, and 3200m3 blast furnaces are about：Long 100mm × wide 30mm thickness 20mm, calibration block top
The shape on triangle pinnacle is fabricated in order to observe, iron mouth depth value is sprayed in pointer front with paint.Upper scale of depth 8 is with
The scale label block of scale of depth 9 corresponds.
Referring to the drawings 6,7, Removable hook 15 and Removable hook base 17：Removable hook 15 is the standby extension of fixed hook 7
Tapping machine position of opening is accurately positioned when hook, acting on and be easy for live quick-replaceable, and more renewing hook.After fixed hook
100mm or so, in order to which Site Welding is defined, a Removable hook base 17 is first made, Removable hook base 17 is small with two
Steel bar is directly welded on the base of fixed hook 7, and size is about long 300mm × wide 70 mm × thick 40mm, and two small steel bars are parallel
Arrangement, 50 mm of interval or so, perpendicular to tapping machine crossbeam, center line is consistent with fixed hook 7, and 30mm or so circle is opened in centre
Hole.A Removable hook 15 is made again, and the size of Removable hook 15 is consistent with fixed hook 7, and one only need to be opened above hook
30mm or so circular hole, it is daily to make 3~4 standby Removable hooks in advance in order to be suspended on base, for answering
It is anxious to use.
Referring to the drawings 8,9, spray system 14：The effect of spray system 14 is that fixed hook 7 or Removable hook 15 are carried out
Spraying cooling.Made of four points or so of seamless steel pipes, be about 300mm, the small of a diameter 5mm or so is opened in lower section every 20mm
Hole, aperture position is opened with can be by Water spray to fixed hook 7.Spray equipment 50mm~100mm, top before hook
Directly it is welded on base, for cooling hook of being fetched water during opening.A piece water pipe, for being supplied water to spray system, water source are installed again
For tapping machine atomized water.Water pipe can be defined with flexible arrangement by not influenceing tapping machine activity.It is seamless usually with four points or so
Steel pipe, one end are welded to spray system and enter waterborne, and then the steel plate along fixed hook base is around beam surface upper, then from horizontal stroke
Scale is arranged in parallel in beam upper surface and opening depth, to crossbeam among pivoted arm bolt at terminate, be about 2.5 meters.Change afterwards
Connect flexible pipe, then the oil pipe on pivoted arm is connected on tapping machine atomization watering pipe, rear end dress ball valve.
In use, drilling rod 1 drives scale movable pointer 12 to advance with drill bit 6 under the traction of dolly 4, now scale activity refers to
The scale and numerical value of upper scale of depth 8 and lower scale of depth 9 corresponding to pin 12 are exactly iron mouth depth, during than traditional blast furnace opening,
For iron mouth depth based on eye estimate, iron mouth depth accuracy brings up to 0.05 meter by 0.2 meter, and the sight of iron mouth depth is greatly improved
The degree of accuracy of survey.Operator can accurately carry out corresponding segmented openings, segmentation reaming hole according to depth profile, and atomization is opened in segmentation
Water cooling iron mouth eye, the iron mouth that dries in the air is carried out by prescribed depth, by a variety of operations such as prescribed depth start-stop rotations.It is qualified for iron mouth depth
Rate improves, reduction iron creates condition.
Dolly 4 is pushed ahead under the traction of hydraulic motor chain, because the side wall of wheel and vehicle guide 3 has 100mm
The space of left and right, dolly 4 is caused to move left and right seriously, it is impossible to which straight line is pushed ahead, and influences the systematicness of iron mouth passage, and small
Car moves left and right, serious wear of wheel.Positioning bearing can be increased, wheel is reduced to the space on the inside of guide rail by 100mm
10mm or so, avoid dolly and move left and right, iron mouth passage systematicness can be improved, while position bearing with being rolling on the inside of guide rail
Dynamic friction, dolly resistance forward can also be reduced while reducing wheel wear.
When opening to high temperature section, when being largely blown aglow chip, open spray system 14 and cooled down, avoid linking up with temperature
Too high formation abrasion, extend hook service life.
During opening, first it is open using fixed hook 7, fixed hook 7 hangs up Removable hook 15 at once once damaging, will not
Influence opening progress.Traditional tapping machine hook is avoided once damaging, it is necessary to which hook is rushed to repair.Maintenance personal is in iron mouth
High-temperature dust is rushed to repair, and security incident easily occurs in condition very severe, and emergency repair time is at 5 ~ 20 minutes, or even longer, is caused
Tap a blast furnace late, influence conditions of blast furnace.Removable hook can be hung up in 1 minute.When hanging Removable hook operation, proficiency alignment activity is hung
Bolt is passed through hook hole by hook base holes, the other hand from Removable hook base holes, then tightens screw, whole process 1 minute with
It is interior.The influence to the working of a furnace can be reduced.
After fixed hook 7 damages, height and the right position of the hook that the past newly welds every time lean on naked-eye observation, without reference to
Thing, certain deviation is just had, cause iron mouth eye during opening also to deviate, big gun head can not be with iron mouth eye when easily causing to block up
It is aligned and squeezes mud, or even iron accident is run in stifled appearance not suitable for reading.Using the utility model, work can be first hung up before fixed hook is welded
Dynamic hook, and drilling rod is installed, fixed hook is welded further according to drilling rod position, the fixed hook position for making newly to weld is previous with damaging
Cause.The skew of iron mouth is avoided to cause the accident.
Claims (5)
1. a kind of device of tap hole of blast furnace positioning, it is characterised in that include drilling rod（1）, crossbeam（2）, vehicle guide（3）, dolly
（4）, hydraulic motor（5）, drill bit（6）, fixed hook（7）, scale of depth system, spray system（14）And Removable hook（15）,
Crossbeam（2）Lower section be provided with vehicle guide（3）, dolly（4）It is located at vehicle guide（3）On, dolly（4）With hydraulic motor（5）Drive
Dynamic connection, drilling rod（1）One end be fixed on dolly（4）On, drilling rod（1）The other end be provided with drill bit（6）, drilling rod（1）Close to brill
Head（6）One end be provided with fixed hook（7）, Removable hook（15）Pass through Removable hook base（17）It is fixed on crossbeam（2）On, institute
State scale of depth system and include upper scale of depth（8）, lower scale of depth（9）With scale movable pointer（12）, lower scale of depth（9）
It is fixed on vehicle guide（3）Side on, with lower scale of depth（9）Corresponding upper scale of depth（8）It is fixed on crossbeam（2）
On, scale movable pointer（12）It is fixed on dolly（4）On, the spray system（14）Positioned at fixed hook（7）Top, spray
System（14）Include hanging cooling water pipe（10）, flexible pipe of fetching water（19）And ball valve（20）, hang cooling water pipe（10）By fetching water
Flexible pipe（19）And ball valve（20）Connection.
A kind of 2. device of tap hole of blast furnace positioning according to claim 1, it is characterised in that the scale of depth system
In scale movable pointer（12）Provided with wearing-proof bearing（13）.
A kind of 3. device of tap hole of blast furnace positioning according to claim 1 or 2, it is characterised in that the scale of depth system
Scale movable pointer in system（12）It is fixed on dolly（4）Front and back wheel between.
A kind of 4. device of tap hole of blast furnace positioning according to claim 1, it is characterised in that the Removable hook（15）
Close to fixed hook（7）.
A kind of 5. device of tap hole of blast furnace positioning according to claim 1, it is characterised in that the spray system（14）
In ball valve（20）It is located at fixed hook（7）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720448684.0U CN206814799U (en) | 2017-04-26 | 2017-04-26 | A kind of device of tap hole of blast furnace positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720448684.0U CN206814799U (en) | 2017-04-26 | 2017-04-26 | A kind of device of tap hole of blast furnace positioning |
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| CN206814799U true CN206814799U (en) | 2017-12-29 |
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| CN201720448684.0U Active CN206814799U (en) | 2017-04-26 | 2017-04-26 | A kind of device of tap hole of blast furnace positioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043837A (en) * | 2017-04-26 | 2017-08-15 | 河钢股份有限公司邯郸分公司 | A kind of device of tap hole of blast furnace positioning |
| CN108265147A (en) * | 2018-04-11 | 2018-07-10 | 湖北新冶钢特种钢管有限公司 | Material top surface in top of blast furnace measuring system and measuring method |
-
2017
- 2017-04-26 CN CN201720448684.0U patent/CN206814799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043837A (en) * | 2017-04-26 | 2017-08-15 | 河钢股份有限公司邯郸分公司 | A kind of device of tap hole of blast furnace positioning |
| CN108265147A (en) * | 2018-04-11 | 2018-07-10 | 湖北新冶钢特种钢管有限公司 | Material top surface in top of blast furnace measuring system and measuring method |
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