CN103890198A - Blocking/opening method, blocking method and blocking/opening apparatus - Google Patents
Blocking/opening method, blocking method and blocking/opening apparatus Download PDFInfo
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- CN103890198A CN103890198A CN201280046784.0A CN201280046784A CN103890198A CN 103890198 A CN103890198 A CN 103890198A CN 201280046784 A CN201280046784 A CN 201280046784A CN 103890198 A CN103890198 A CN 103890198A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/12—Opening or sealing the tap holes
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Abstract
This blocking/opening method is a method for blocking a tapping hole formed in the furnace wall of a blast furnace as well as for opening a blocked tapping hole. The method is provided with a blocking process in which, after filling a tapping hole by pressing mud material and a blocking plug therein, the tapping hole is blocked by baking the mud material, and an opening process in which the blocking plug and the baked mud material are excavated to form a tapping hole. The blocking plug has a portion, which is formed to be softer than the baked mud material, extending over the entire length thereof.
Description
Technical field
The present invention relates to the iron notch that forms on inaccessible blast furnace furnace wall and by the inaccessible method of the inaccessible boring method of inaccessible iron notch perforate, inaccessible boring device and inaccessible iron notch.
The application requires the right of priority of No. JP2011-210737 of on September 27th, 2011 in Japanese publication, and its content is incorporated in this.
Background technology
In the blast furnace of one of iron and steel producing apparatus, produce out the pig iron by the oxygen containing in reducing iron ore.In the iron notch that the molten iron (pig iron of melting) accumulating in the slag trap of Blast Furnace Bottom arranges from furnace wall, slag trap side, take out.The argillaceous refractory body that is called as mud material by filling sintering carrys out inaccessible iron notch.Use air pressure type or fluid pressure type tapping machine, the action that drilling rod is done advance, retreat, hit and rotate, carries out perforate by the occlusive materials of filling in iron notch, thereby takes out molten iron.
From slag trap, take out after molten iron, use mud rifle that mud material is filled in iron notch and sintering with inaccessible iron notch.Like this, in the perforate of iron notch and inaccessible operation, use the various special purpose devices that are called tapping machine and mud rifle.
Although also made the trial of automatization, especially, in perforate operation, perforate judgement is part difficult matter, so use these devices in iron notch perforate and inaccessible operation, the final judgement of perforate must be depended on the user of device.This is that the mud material internal state of filling in, iron notch indefinite by the mud material shape of the stove inner side of iron notch is inhomogeneous caused.
Although the mud material of filling in iron notch is the fixed state for protruding to stove inner side conventionally, but according to the difference of the amount of the mud material of state inside the stove of the iron notch of punchinging in last perforate operation and filling, its shape is also different, therefore can not be consistent by accompanying part position inside stove in accompanying mud material inside the stove of iron notch.Therefore, carry out perforate judgement and become difficulty based on the iron notch degree of depth of punchinging, thereby perforate judgement becomes difficulty.In addition, the mud material inside of filling also has space, based on drilling rod advance load and rotary load carry out perforate judgement, may because of space cause advancing load and rotary load weaken, thereby make the false judgment that iron notch has connected.
Like this, in order more easily to make the perforate judgement of iron notch, require the blocked state of iron notch to remain certain.
With regard to the example of the obturation techniques of iron notch, for example, known have a method of recording in patent documentation 1.
This method is to fill mud material to iron notch, digs out one till the heavy caliber hole of mud material halfway in the sintering process of these mud materials, then to the method for filling mud material in this heavy caliber hole.
In addition,, as other examples of obturation techniques, there is the method for recording in patent documentation 2.
In this method, fill mud material to iron notch, after mud material is by the heat sintering of body of heater, the drill bit of using with perforate, retains and prevents that molten iron from spraying required thickness and punchinging, the appropriate mobility refractory body that injects in perforate.Next, preformed curing refractory body cylindrical body is inserted in perforate, the while is to the method for the above-mentioned mobility refractory body of gap-fill between perforate inner side and refractory body cylindrical body outside.
In addition the method for recording in patent documentation 3, is also known.This method is, the solid puree material of column that is formed as the cross-sectional shape more bigger than iron notch cross-sectional shape knocked in to iron notch together with metal bar core carry out inaccessible method around metal bar core.
Prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 1-127612 communique
Patent documentation 2: Japanese kokai publication hei 8-53703 communique
Patent documentation 3: TOHKEMY 2003-247011 communique
Summary of the invention
The technical problem that invention will solve
But, in the method that patent documentation 1 and patent documentation 2 are recorded, because the mud material of filling before accumulates in blast furnace, arrive side opening in the stove of iron notch, therefore make the required degree of depth of punchinging of iron notch perforate indefinite, there is the problem of perforate difficulty.
In addition, in the method for recording, carry out perforate although extract metal bar core from solid puree material in patent documentation 3, compare envision little at the iron notch diameter after tapping a blast furnace, solid puree material and metal bar core need to be forced to knock in, when perforate, be difficult to metal bar core to extract.
The object of the present invention is to provide a kind of can inaccessible iron notch and the inaccessible method of the inaccessible boring method of perforate, inaccessible boring device and inaccessible iron notch on inaccessible iron notch easily.
The means of technical solution problem
(1) the inaccessible boring method the present invention relates to, the inaccessible iron notch forming on the furnace wall of blast furnace, and by the above-mentioned iron notch perforate of obturation, have: inaccessible operation, by mud material be formed as after roughly bar-shaped block plug is pressed into and is filled in above-mentioned iron notch, the above-mentioned mud material of sintering carrys out inaccessible above-mentioned iron notch; And perforate operation, the above-mentioned mud material that drives above-mentioned block plug and institute's sintering forms above-mentioned iron notch, and above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.
(2) above-mentioned block plug can have: tubular part; And be configured in the filling component in the pipeline of above-mentioned tubular part.
(3) above-mentioned filling component can be than the refractory body of the sinter softness of above-mentioned mud material, in above-mentioned perforate operation, drives above-mentioned filling component.
(4) above-mentioned filling component can be made up of the material becoming by sintering than the refractory body of the sinter softness of above-mentioned mud material, in above-mentioned perforate operation, drives above-mentioned filling component.
(5) above-mentioned filling component can only be configured in than having separated the position of certain distance from one end of above-mentioned tubular part by a side of the other end of above-mentioned tubular part.
(6) above-mentioned block plug can be roughly equal with the length of above-mentioned iron notch.
(7) the inaccessible boring device the present invention relates to, the inaccessible iron notch forming on the furnace wall of blast furnace, and by the above-mentioned iron notch perforate of obturation, have: housing, there is the internal space that holds mud material, and be formed with the injection opening and the communicating pores that are communicated with above-mentioned internal space; Pressure generating unit, exerts pressure to the above-mentioned mud material holding in above-mentioned internal space; Handling part, and is formed as roughly bar-shaped block plug and is releasably connected; Driving part, moves the above-mentioned block plug being connected with above-mentioned handling part, so that it is by above-mentioned communicating pores and above-mentioned internal space and to state the outside of housing from above-mentioned injection opening upwards outstanding; And tapping machine portion, after the above-mentioned iron notch of obturation, driving the above-mentioned block plug of inaccessible above-mentioned iron notch and the above-mentioned mud material of sintering, above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.
(8) above-mentioned tapping machine portion can have: perforate bar, is configured in the outside of above-mentioned housing, and is releasably connected with above-mentioned handling part; And rotary driving part, the above-mentioned perforate bar being connected with above-mentioned handling part is rotated around the axis of above-mentioned perforate bar.
(9) possesses conduit, this conduit is arranged at above-mentioned internal space, an opening of this conduit in above-mentioned injection opening, be configured to the edge of opening part of above-mentioned injection opening from state, and another opening is communicated with above-mentioned communicating pores, above-mentioned block plug is inserted in above-mentioned conduit, and it moves directed.
(10) the inaccessible method the present invention relates to, the inaccessible iron notch forming on the furnace wall of blast furnace, has: be pressed into operation, by mud material be formed as roughly bar-shaped block plug and be pressed into and be filled in above-mentioned iron notch; And inaccessible operation, the above-mentioned mud material of sintering carrys out inaccessible above-mentioned iron notch, and above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.
(11) above-mentioned block plug can have: tubular part; And be configured in the filling component in the pipeline of above-mentioned tubular part.
(12) above-mentioned filling component can be than the refractory body of the sinter softness of above-mentioned mud material.
(13) above-mentioned filling component can be made up of the material becoming by sintering than the refractory body of the sinter softness of above-mentioned mud material.
(14) above-mentioned filling component can be configured in the position in the inner part, position that has separated certain distance than the opening end in the outside from towards above-mentioned blast furnace in above-mentioned tubular part.
(15) length of above-mentioned block plug and the length of above-mentioned iron notch are roughly equal.
Invention effect
According to the present invention, block plug has continuously the part being formed as than above-mentioned mud material sinter softness in the total length of self, and therefore, when by inaccessible iron notch perforate, the required power of perforate reduces, can be easily by iron notch perforate.
In addition,, according to the present invention, can produce action effect below.
(a) because drive than the filling component of the sinter softness of mud material or the filling component sintering into, therefore can be easily by iron notch perforate.
(b) can be easily distolateral the parts that drive filling component be positioned at one of tubular part.
(c) when perforate, because the length of the length of driving and block plug is roughly equal, so can be more easily by iron notch perforate.
(d) can be undertaken by the operation of iron notch obturation and by the operation of inaccessible iron notch perforate by 1 table apparatus.
(e) can prevent that mud material is attached on block plug in housing.Therefore, in the time of obturation, in housing, be difficult to produce the frictional force of block plug and mud material, so can easily block plug be inserted to iron notch.
Brief description of the drawings
Fig. 1 is the figure that represents the inaccessible boring device of the first embodiment of the present invention, is the side-view (partial cross section) of inaccessible pattern.
Fig. 2 is the side-view (partial cross section) of this obturation boring device in the time of perforate pattern.
Fig. 3 is the sectional view of the connection portion of the handling/rotating mechanism of this obturation boring device in the time of perforate pattern and perforate bar.
Fig. 4 is the figure of the inaccessible boring method of explanation present embodiment.
Fig. 5 is the figure of the inaccessible boring method of explanation present embodiment.
Fig. 6 is the figure of the inaccessible boring method of explanation present embodiment.
Fig. 7 is the sectional view of the block plug that uses in the inaccessible boring device of the present invention's the 2nd embodiment.
Fig. 8 is the figure that explanation is used the inaccessible boring method of this block plug.
Fig. 9 is the sectional view of the variation of the block plug that uses in the inaccessible boring device of the present invention's the 2nd embodiment.
Figure 10 is the figure that explanation is used the inaccessible boring method of this block plug.
Figure 11 is the sectional view of the inaccessible boring device in variation of the present invention.
Embodiment
(the 1st embodiment)
Below, referring to figs. 1 to Fig. 6, the 1st embodiment the present invention relates to is described.
Inaccessible boring device 1 can be between the perforate pattern of the inaccessible pattern of the iron notch W2 obturation forming on the furnace wall W1 of blast furnace W and the iron notch W2 by inaccessible as shown in Figure 2 being carried out to perforate as shown in Figure 1 the state of shifter.
As shown in Figure 1, inaccessible boring device 1 there is the hydraulic pressure generating unit (pressure generating unit) 20 that is formed with the housing 10 of the internal space 11 that can hold mud material (mud material) 100, the mud material 100 holding in internal space 11 is exerted pressure, for by the perforate bar 30 (with reference to Fig. 2) of iron notch W2 perforate, be releasably connected to the cardinal extremity of block plug 110 etc. and make the handling/rotating part 35 (handling part, rotary driving part) of the rotations such as block plug 110 and the advance and retreat driving part 45 that handling/rotating part 35 is moved.
In addition, perforate bar 30 and handling/rotating part 35 form tapping machine portion.
Hydraulic pressure generating unit 20 is arranged on the base end side of housing 10.Hydraulic pressure generating unit 20 has never that illustrated oily supply source is supplied to oily hydro-cylinder 21 and by hydro-cylinder 21 piston 22 that direction moves forwards, backwards.On hydro-cylinder 21, be provided with not shown influx and the spout of oil mass in regulator solution cylinder pressure 21.
Between the inner peripheral surface of the periphery of piston 22 and hydro-cylinder 21, be provided with the not shown sealing element for keeping the watertightness between piston 22 and hydro-cylinder 21.Be set to, even by hydro-cylinder 21, when piston 22 forward end side shifting, inject opening 12a and communicating pores 13a and be also configured in piston 22 fronts.
In present embodiment, inject opening 12a and communicating pores 13a because piston 22 does not clog, therefore on piston 22 and hydro-cylinder 21, be not formed for the hole that supplies block plug 110 and mud material 100 to pass through.
As shown in Figure 2, perforate bar 30 is formed as elongated bar-shaped.The front end of perforate bar 30 is provided with the drill bit 31 for excavating furnace wall W1 etc.The cardinal extremity of perforate bar 30 is formed with internal thread 32 as shown in Figure 3.In this example, the outside that perforate bar 30 is configured in housing 10 is used.
The refractory body that the block plug 110 using in the inaccessible boring device 1 of present embodiment is formed by the sintering more soft than the sinter of mud material 100 (the sintering mud material 100A below mentioning) is as shown in Figure 1 formed as roughly bar-shaped.The length setting of block plug 110 is approximately to equate with the length of iron notch W2.
The refractory body that the mud material that block plug 110 for example consists of aluminum oxide, alabaster, silicon carbide, fireclay etc. sintering forms forms.Make block plug 110 softnesses, for example, can increase the content of tackiness agent in mud material (tar, resin), make block plug 110 hard, can increase the content of metal in mud material (aluminium etc.).
The cardinal extremity of block plug 110 is formed with the not shown internal thread part as the internal thread part 32 of above-mentioned perforate bar 30.
The handling locking portion 37 that handling/rotating part 35 has handling/rotating mechanism 36 and is connected with handling/rotating mechanism 36.
Handling/rotating mechanism 36 has the external thread part 38 shown in Fig. 3 and not shown rotation drive motor.By screwing togather the internal thread part 32 of perforate bar 30 on this external thread part 38, can on handling/rotating mechanism 36, connect perforate bar 30.
Rotation drive motor makes external thread part 38 around the axis C1 of external thread part 38 rotation.Thus, the perforate bar 30 being connected with the external thread part 38 of handling/rotating mechanism 36 can be around the axis rotation of self.
Handling locking portion 37 has not shown wheel casing and connection shaft 39.Because handling locking portion 37 is connected with handling/rotating mechanism 36, engaging tooth roller box on the external thread part 38 of handling/rotating mechanism 36, can make connection shaft 39 rotate around its axis C2.
The front end of connection shaft 39 is formed with the not shown external thread part screwing togather with the internal thread part of block plug 110.The axis C2 of connection shaft 39 and the axis C1 of external thread part 38 are set as almost parallel.In addition, in this example, axis C1 is configured in and injects opening 12a and communicating pores 13a below.
The bottom of housing 10 is provided with the guide rail 51 and the apparatus for adjusting position 52 that extend along axis C2 direction.
Advance and retreat driving part 45 has the advance and retreat driving part main body 45b of the forward and backward driving motor 45a being arranged on guide rail 51 and the bottom that is connected to slidably guide rail 51 along axis C2 direction.By driving forward and backward driving motor 45a, the driving part main body 45b that can make to advance and retreat advances in the direction of axis C2 along guide rail 51 or retreats.
On the external thread part of connection shaft 39, connect block plug 110, and by advance and retreat driving part 45 forward end side shifting block plugs 110, can make thus block plug 110 by communicating pores 13 and internal space 11, forwards outstanding from injecting opening 12a.
It is upper that apparatus for adjusting position 52 is configured in floor W3, can adjustment housings 10 with respect to floor W3 the position on fore-and-aft direction and above-below direction.
In inaccessible pattern shown in Fig. 1, compared with the perforate pattern shown in Fig. 2, make housing 10 move and carry out operation downwards.
In perforate pattern, also can use the latch 53 of stopping up communicating pores 13a.
Next, the inaccessible boring method that uses the present embodiment that the inaccessible boring device 1 of formation carries out is as mentioned above described.
Hereinafter, for convenience of description, first explanation as shown in Figure 1, is formed with iron notch W2, by the inaccessible operation of the inaccessible iron notch W2 of inaccessible boring device 1 under inaccessible pattern on the W1 of furnace wall.Under this state, the molten iron W5 of high temperature flows out to D1 outside stove in blast furnace W.
First, block plug 110 is inserted through to the communicating pores 13a (block plug arrangement step) of housing 10.
Specifically, the advance and retreat driving part main body 45b of the driving part 45 that makes to advance and retreat on guide rail 51 moves to base end side, after handling locking portion 37 is connected on handling/rotating mechanism 36, block plug 110 is connected to the front end of connection shaft 39.At this moment, block plug 110 is remained on to the front of connection shaft 39, by handling/rotating mechanism 36, connection shaft 39 is rotated around axis C2 with respect to block plug 110.Thus, the internal thread part of block plug 110 and the external thread part of connection shaft 39 are screwed togather, block plug 110 easily can be connected to connection shaft 39.
Then, make block plug 110 forward end side shiftings by advance and retreat driving part 45, the front end of block plug 110 is by communicating pores 13a, and is adjusted to inject opening 12a roughly consistent.
Next, the iron notch W2 of furnace wall W1 is communicated with to (connection arrangement step) with the injection opening 12a of housing 10.
This is by being undertaken by apparatus for adjusting position 52 fore-and-aft directions of adjustment housings 10 and the position of above-below direction.Next, as shown in Figure 4, by hydraulic pressure generating unit 20, mud material 100 is filled in to iron notch W2 through injecting opening 12a, mud material 100 is filled in to (mud material is pressed into operation) in iron notch W2.
Next, as shown in Figure 5, block plug 110 is inserted to iron notch W2 (block plug is pressed into operation) by the injection opening 12a of housing 10.
During this operation, due to the heat of molten iron W5, mud material 100 is sintered, and forms the sintering mud material 100A shown in Fig. 6.
So far, inaccessible operation completes.
In this state, blast furnace W moves certain hour, in again taking out molten iron W5, and the perforate operation the following describes.
As shown in Figure 2, in perforate operation, take off handling locking portion 37 from handling/rotating mechanism 36, perforate bar 30 is connected on handling/rotating mechanism 36.
So far, perforate operation completes.
As mentioned above, according to the inaccessible boring device 1 of present embodiment and inaccessible boring method, because block plug 110 is by forming than the more soft refractory body of sintering mud material 100A, therefore in perforate operation, drive this block plug 110 and carry out perforate, thereby the power that perforate operation needs reduces, and can easily iron notch W2 be carried out to perforate.
In addition, 100A is harder than block plug 100 for sintering mud material, is difficult to by erosions such as molten iron W5, so can suppress iron notch W2 because being corroded and become large by molten iron W5.
The length setting of block plug 110 is roughly equal with the length of iron notch W2.Therefore, the length of the length of driving in perforate operation and block plug 110 is roughly equal, drives soft parts in perforate operation, so can be more easily by iron notch W2 perforate.
Because inaccessible boring device 1 has perforate bar 30 and handling/rotating part 35, therefore, by switching inaccessible pattern and perforate pattern, can carry out inaccessible operation and two kinds of operations of perforate operation by a table apparatus.
Because perforate bar 30 in perforate operation is configured in the outside of housing 10, even if therefore perforate bar 30, because the heat of molten iron W5 etc. is bending, also can prevent that the action of inaccessible boring device 1 from breaking down.
(the 2nd embodiment)
Next, the 2nd embodiment the present invention relates to is described to Figure 10 with reference to Fig. 7.The parts identical with above-mentioned embodiment use identical Reference numeral, and omit its description, and difference is only described.
As shown in Figure 7, the block plug 120 using in the inaccessible boring device 1 of present embodiment has external diameter and is set as the pipe 121 (tubular part) less than the internal diameter of iron notch W2 and is configured in the filling component 122 in the pipeline of managing 121.
As the material that forms pipe 121, for example, can use the metals such as iron and steel.The material that filling component 122 use are identical with above-mentioned block plug 110 forms.
In addition, be preferably formed with and the internal thread part of the internal thread part same shape of block plug 110 at the cardinal extremity of block plug 120.
Next, the inaccessible boring method of the present embodiment of implementing with the block plug 120 forming as mentioned above and inaccessible boring device 1 is described.
Inaccessible operation is because identical with the operation of the first embodiment that uses block plug 110 to carry out, and therefore description thereof is omitted.
As shown in Figure 8, in perforate operation, filling component 122 butts by the drill bit of perforate bar 30 31 with the block plug 120 of inaccessible iron notch W2.Then, drive the filling component 122 of block plug 120 and be positioned at the sintering mud material 100A of D2 inside stove compared with filling component 122, form iron notch W2.
According to using the inaccessible boring method of the present embodiment of the block plug 120 of formation like this, by driving than the filling component 122 of sintering mud material 100A softness, can easily carry out perforate to iron notch W2.
As in the embodiment described in, in block plug 120, continuous by being formed as than the part of sintering mud material 100A softness in the total length of block plug 120.And, in perforate operation, by drive the part that this flexibly forms in the total length of block plug 120 with perforate bar 30, can easily carry out perforate to iron notch W2.
Therefore, both can be as the block plug of the first embodiment 110, block plug 110 entirety are formed as softness, also can make a part for the periphery of block plug in total length, be formed as softness.
In present embodiment, also can replace block plug 120 with the block plug 130 shown in Fig. 9.
This block plug 130 is in above-mentioned block plug 120, and filling component 122 is only configured in than a side of the other end 121b of the position P tube 121 having with a certain distance from one end 121a of pipe 121.This certain distance is suitably set according to the size of the drill bit 31 of inaccessible boring device 1 etc.
The inner peripheral surface of pipe one end 121a side of 121 is preferably formed with the internal thread part with the internal thread part same shape of block plug 110.
The inaccessible operation of inaccessible boring method that uses the block plug 130 of the variation forming like this to implement is identical with the inaccessible operation of present embodiment.On the other hand, perforate operation is as described below.
As shown in figure 10, the drill bit of locking device 1 31 is inserted in one end 121a of pipe 121 of block plug 130, make perforate bar 30 around its axis rotation by handling/rotating mechanism 36.Thus, drive filling component 122 and be positioned at the sintering mud material 110A of D2 inside stove compared with filling component 122, form iron notch W2.
In present embodiment like this in the time that the part that uses block plug 120 obturations is carried out perforate to iron notch W2, outside stove, on the filling component 122 of D2, form till recess during this period of time, the rotation that causes perforate bar 30 front ends due to meeting is rocked, operator use metal bar etc., the position of the front end of restriction perforate bar 30.
And by using the block plug 130 of this variation, easily the front end of perforate bar 30 is positioned with respect to block plug 130, can suppress the rotation of perforate bar 30 and rock.Therefore, can form at short notice iron notch W2.
Above, with reference to accompanying drawing, the first embodiment of the present invention and the second embodiment are had been described in detail, but concrete formation is not limited to these embodiments, also comprises the change of the structure that does not depart from purport scope of the present invention.And, the various structures shown in embodiment appropriately can be used in combination.
For example, in above-mentioned the first embodiment and the second embodiment, the filling component 122 of block plug 110 and block plug 120 is formed by the refractory body forming than the sintering of sintering mud material 100A softness.
But they also can be made up of the material becoming by sintering than the refractory body of sintering mud material 100A softness.As this material, can use aforesaid aluminum oxide, alabaster, silicon carbide, fireclay and their mixture.
Material by with such forms block plug 110 and filling component 122, can easily drive the block plug 110 of sintering or filling component 122 by iron notch W2 perforate.
In addition,, in above-mentioned the first embodiment and the second embodiment, as shown in figure 11, inaccessible boring device 2 also can possess the conduit 61 in the internal space 11 that is arranged on housing 10.
One end 61a of conduit 61 be configured in the injection opening 12a of housing 10 with form the edge of opening part of injecting opening 12a from state.The opening that conduit 61 is configured to the other end 61b side is communicated with communicating pores 13a.The internal diameter of conduit 61 is set as making block plug 110 to insert.
By the inaccessible boring device 2 of such formation, under inaccessible pattern, in housing 10, be difficult to produce the frictional force of block plug 110 and mud material 100, so can easily block plug 110 be inserted to iron notch W2.
In above-mentioned the first embodiment and the second embodiment, tapping machine portion is made up of perforate bar 30 and handling/rotating part 35, is formed in integratedly inaccessible boring device 1.But, on inaccessible boring device, also can not be equipped with tapping machine portion, but use known cone bar etc. as tapping machine portion.
In addition,, in the first embodiment and the second embodiment, the length setting of block plug is roughly equal with the length of iron notch W2.But the length of block plug does not limit, also can suitably be set as shorter etc. than the length of iron notch W2.
In the first above-mentioned embodiment and the inaccessible boring device 1 of the second embodiment, in inaccessible operation, block plug 110 is not pressed into iron notch W2, only uses the inaccessible iron notch W2 of mud material 100, thereby can carry out inaccessible iron notch W2 by method same as the prior art., the changeable use of inaccessible boring device 1 of the present invention is by the method for mud material 100 and the inaccessible iron notch W2 of block plug 110 with only use the method for the inaccessible iron notch W2 of mud material 100.
Industrial applicibility
The present invention relates to a kind of inaccessible boring method, the iron notch forming on inaccessible blast furnace furnace wall, and by the above-mentioned iron notch perforate of obturation, have: by mud material be formed as roughly bar-shaped block plug and be pressed into and be filled in after above-mentioned iron notch, the above-mentioned mud material of sintering and the inaccessible operation of inaccessible above-mentioned iron notch; And the perforate operation of driving above-mentioned mud material that above-mentioned block plug and sintering form and form above-mentioned iron notch; Above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.According to the present invention, because block plug has continuously the part being formed as than the sinter softness of mud material in the total length of self, so when inaccessible iron notch is carried out to perforate, the required power of perforate reduces, can easily perforate on iron notch.
Nomenclature
1,2: inaccessible boring device, 10: housing, 11: internal space, 12a: inject opening, 13a: communicating pores, 20: hydraulic pressure generating unit (pressure generating unit), 30: perforate bar, 35: handling/rotating part (handling part, rotary driving part), 45: advance and retreat driving part, 61: conduit, 100: mud material, 110,120,130: block plug, 121: pipe (tubular part), 122: filling component, W: blast furnace, W1: furnace wall, W2: iron notch
Claims (15)
1. an inaccessible boring method, the inaccessible iron notch forming on the furnace wall of blast furnace, and by the above-mentioned iron notch perforate of obturation, have:
Inaccessible operation, by mud material be formed as after roughly bar-shaped block plug is pressed into and is filled in above-mentioned iron notch, the above-mentioned mud material of sintering carrys out inaccessible above-mentioned iron notch; And
Perforate operation, the above-mentioned mud material that drives above-mentioned block plug and institute's sintering forms above-mentioned iron notch,
Above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.
2. inaccessible boring method as claimed in claim 1, wherein,
Above-mentioned block plug has:
Tubular part; And
Be configured in the filling component in the pipeline of above-mentioned tubular part.
3. inaccessible boring method as claimed in claim 2, wherein,
Above-mentioned filling component is than the refractory body of the sinter softness of above-mentioned mud material,
In above-mentioned perforate operation, drive above-mentioned filling component.
4. inaccessible boring method as claimed in claim 2, wherein,
Above-mentioned filling component is made up of the material becoming by sintering than the refractory body of the sinter softness of above-mentioned mud material,
In above-mentioned perforate operation, drive above-mentioned filling component.
5. the inaccessible boring method as described in any one in claim 2-4, wherein,
Above-mentioned filling component is only configured in than having separated the position of certain distance from one end of above-mentioned tubular part by a side of the other end of above-mentioned tubular part.
6. the inaccessible boring method as described in any one in claim 1-5, wherein,
The length of above-mentioned block plug and the length of above-mentioned iron notch are roughly equal.
7. an inaccessible boring device, the inaccessible iron notch forming on the furnace wall of blast furnace, and by the above-mentioned iron notch perforate of obturation, have:
Housing, has the internal space that holds mud material, and is formed with the injection opening and the communicating pores that are communicated with above-mentioned internal space;
Pressure generating unit, exerts pressure to the above-mentioned mud material holding in above-mentioned internal space;
Handling part, and is formed as roughly bar-shaped block plug and is releasably connected;
Driving part, moves the above-mentioned block plug being connected with above-mentioned handling part, so that it is by above-mentioned communicating pores and above-mentioned internal space and to state the outside of housing from above-mentioned injection opening upwards outstanding; And
Tapping machine portion, after the above-mentioned iron notch of obturation, drives the above-mentioned block plug of inaccessible above-mentioned iron notch and the above-mentioned mud material of sintering,
Above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.
8. inaccessible boring device as claimed in claim 7, wherein,
Above-mentioned tapping machine portion has:
Perforate bar, is configured in the outside of above-mentioned housing, and is releasably connected with above-mentioned handling part; With
Rotary driving part, makes the above-mentioned perforate bar being connected with above-mentioned handling part rotate around the axis of above-mentioned perforate bar.
9. inaccessible boring device as claimed in claim 7 or 8, wherein,
Possess conduit, this conduit is arranged at above-mentioned internal space, an opening of this conduit in above-mentioned injection opening, be configured to the edge of opening part of above-mentioned injection opening from state, and another opening is communicated with above-mentioned communicating pores,
Above-mentioned block plug is inserted in above-mentioned conduit, and it moves directed.
10. an inaccessible method, the inaccessible iron notch forming on the furnace wall of blast furnace, has:
Be pressed into operation, by mud material be formed as roughly bar-shaped block plug and be pressed into and be filled in above-mentioned iron notch; And
Inaccessible operation, the above-mentioned mud material of sintering carrys out inaccessible above-mentioned iron notch,
Above-mentioned block plug has continuously the part being formed as than the sinter softness of above-mentioned mud material in the total length of self.
11. inaccessible methods as claimed in claim 10, wherein,
Above-mentioned block plug has:
Tubular part; And
Be configured in the filling component in the pipeline of above-mentioned tubular part.
12. inaccessible methods as claimed in claim 11, wherein,
Above-mentioned filling component is than the refractory body of the sinter softness of above-mentioned mud material.
13. inaccessible methods as claimed in claim 11, wherein,
Above-mentioned filling component is made up of the material becoming by sintering than the refractory body of the sinter softness of above-mentioned mud material.
14. inaccessible methods as described in any one in claim 11-13, wherein,
Above-mentioned filling component is configured in the position in the inner part, position that has separated certain distance than the opening end in the outside from towards above-mentioned blast furnace in above-mentioned tubular part.
15. inaccessible methods as described in any one in claim 10-14, wherein,
The length of above-mentioned block plug and the length of above-mentioned iron notch are roughly equal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011210737A JP5785838B2 (en) | 2011-09-27 | 2011-09-27 | Closed hole opening method and closed hole opening device |
| JP2011-210737 | 2011-09-27 | ||
| PCT/JP2012/074502 WO2013047490A1 (en) | 2011-09-27 | 2012-09-25 | Blocking/opening method, blocking method and blocking/opening apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103890198A true CN103890198A (en) | 2014-06-25 |
| CN103890198B CN103890198B (en) | 2016-01-13 |
Family
ID=47995522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280046784.0A Active CN103890198B (en) | 2011-09-27 | 2012-09-25 | Inaccessible boring method, occlusive method and inaccessible boring device |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JP5785838B2 (en) |
| KR (1) | KR101593345B1 (en) |
| CN (1) | CN103890198B (en) |
| BR (1) | BR112014007046B1 (en) |
| IN (1) | IN2014DN02846A (en) |
| TW (1) | TWI493044B (en) |
| WO (1) | WO2013047490A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141021A (en) * | 2014-08-28 | 2014-11-12 | 中冶南方工程技术有限公司 | Method and equipment system for forming tapping hole in blast furnace |
| CN105319579A (en) * | 2014-06-26 | 2016-02-10 | 中石化石油工程地球物理有限公司胜利分公司 | Mud gun source gun drill integrated drilling mechanism |
| CN113574185A (en) * | 2019-03-13 | 2021-10-29 | Tmt出铁测量技术有限公司 | Taphole blocking gun |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3130480C (en) * | 2019-03-13 | 2023-09-19 | Tmt Tapping Measuring Technology Sarl | Tap hole plug gun |
| TWI779501B (en) * | 2021-02-24 | 2022-10-01 | 中國鋼鐵股份有限公司 | Guiding device, guiding system and operation method thereof |
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- 2012-09-25 KR KR1020147008935A patent/KR101593345B1/en active IP Right Grant
- 2012-09-25 BR BR112014007046-6A patent/BR112014007046B1/en active IP Right Grant
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| CN113574185A (en) * | 2019-03-13 | 2021-10-29 | Tmt出铁测量技术有限公司 | Taphole blocking gun |
| CN113574185B (en) * | 2019-03-13 | 2022-10-25 | Tmt出铁测量技术有限公司 | Taphole blocking gun |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI493044B (en) | 2015-07-21 |
| BR112014007046A2 (en) | 2017-04-11 |
| BR112014007046B1 (en) | 2019-02-19 |
| CN103890198B (en) | 2016-01-13 |
| JP2013072102A (en) | 2013-04-22 |
| IN2014DN02846A (en) | 2015-05-15 |
| TW201326407A (en) | 2013-07-01 |
| WO2013047490A1 (en) | 2013-04-04 |
| KR101593345B1 (en) | 2016-02-11 |
| JP5785838B2 (en) | 2015-09-30 |
| KR20140066215A (en) | 2014-05-30 |
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