CN107586908A - Lattice brick bears the extra-column of metal device, lattice brick bears metal device and post adding method - Google Patents
Lattice brick bears the extra-column of metal device, lattice brick bears metal device and post adding method Download PDFInfo
- Publication number
- CN107586908A CN107586908A CN201710417047.1A CN201710417047A CN107586908A CN 107586908 A CN107586908 A CN 107586908A CN 201710417047 A CN201710417047 A CN 201710417047A CN 107586908 A CN107586908 A CN 107586908A
- Authority
- CN
- China
- Prior art keywords
- metal device
- mentioned
- extra
- column
- wedge
- 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.)
- Granted
Links
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Blast Furnaces (AREA)
Abstract
Extra-column (50) is arranged between the grid metal device (20) for the lattice brick for bearing hot-blast stove and furnace bottom face (21), possesses post main body (51), top metal device (52) and wedge metal device (53).Top metal device (52) is configured in post main body (51) and the sub- metal device of dative (20) abuts.Wedge metal device (53) is driven between post main body (51) and top metal device (52).Wedge metal device (53), the face that is abutted with least one party among post main body (51) and top metal device (52) be formed as the inclined inclined plane of relatively horizontal orientation.
Description
Technical field
The lattice brick supported the present invention relates to the lattice brick in the regenerator to hot-blast stove bears the additional of metal device
Post, lattice brick bear metal device and post adding method.
Background technology
In the past, hot-blast stove was used as supplying the equipment of hot blast to the blast furnace of ironmaking.
Hot-blast stove is provided with multiple (3~5) according to every seat height stove, and the hot-blast stove is arranged to, with multiple hot-blast stoves
Any hot-blast stove carry out accumulation of heat, and carry out the warm-air supply to blast furnace with other hot-blast stoves, so as to blast furnace in a steady stream
Hourly supply hot blast.
Hot-blast stove possesses combustion chamber and regenerator, and the lattice brick of accumulation of heat is laminated with regenerator.In the bottom surface of hot-blast stove
Be provided with and bear metal device for supporting the lattice brick of lattice brick, pipeline is connected with the lower side of hot-blast stove, so as to than lattice
Brick bears the space connection of metal device more on the lower.
An example of metal device is born as lattice brick, it is known to bear metal device as follows：In the bottom surface of hot-blast stove
Pillar (support frame) is erected, with pillar supporting horizontal beam (crossbeam (the corresponding Japanese：グ レ ー ト beams)), in the upper of the horizontal beam
Face side hangs up grid metal device and forms (document 1：Japanese Unexamined Patent Application 51-20004 publications reference).Lattice brick is by grid
The upper surface side of metal device is born.The through hole identical perforate of dative brick is provided with grid metal device.In grid metal
Formed with ventilation space between the lower surface of device and the bottom surface of hot-blast stove.Ventilation space and above-mentioned pipeline communication.Thus, structure
As can dative brick, grid metal device, ventilation space and pipeline ventilated.
When carrying out accumulation of heat to hot-blast stove, hot blast that plaid matching brick is heated from the through hole of the lattice brick of most subordinate down
Spray, after ventilation space concentration, discharged from pipeline towards outside.
To blast furnace supply hot blast when, from pipeline to ventilation space import outer gas, backward lattice brick each through hole distribute,
Allocated outer gas is heated through during lattice brick, is sent out as hot blast to blast furnace.
But it is fed with from hot-blast stove in the blast furnace of hot blast, as the reducing material of iron ore and for melting
Thermal source and need coke.Coke consumption amount can be cut down by carrying out high temperature to the hot blast temperature from hot-blast stove, due to
It is related to the reduction of operating cost, it is desirable to carry out high temperature to the hot blast supplied from hot-blast stove to blast furnace.
It is as noted above, in order that the hot blast supplied from hot-blast stove to blast furnace turns into the heat of the high temperature with enough heats
Wind is, it is necessary to increase the heat (amount of stored heat) of the lattice brick institute accumulation of heat of hot-blast stove, it is necessary to improve the temperature especially bottom surface temperature of lattice brick.
But when above-mentioned lattice brick bears metal device and becomes more than heat resisting temperature, it may occur that lattice brick bears gold
Belong to device failure, lattice brick collapses and the situation of hot-blast stove operation stopping.Therefore, the heat of the atmosphere temperature of hot-blast stove furnace bottom is determined
The higher limit of wind furnace delivery temperature bears the heat resisting temperature of metal device to determine by lattice brick.
Therefore, when supplying hot blast to blast furnace, the hot blast of heating during accumulation of heat is limited to lattice brick and bears metal device
Below partial heat resisting temperature, the upper limit of the heat-retaining capacity of lattice brick is limited.As a result, it can not make to enter to the hot blast that blast furnace supplies
One step turns into high temperature.
Here, consider that to be replaced by heat resisting temperature higher by the way that the lattice brick of configured hot-blast stove is born into metal device
Lattice brick bears metal device, carrys out the upper limit of the heat-retaining capacity of the Upgrade Lattice brick.
But metal device is born, it is necessary to carry out large-scale replacing/transformation including lattice brick in order to change lattice brick
Engineering.If carrying out the engineering, during needing the long-term operation stopping such as more than 1 year, furnace processor reduces.
It is corresponding as other high temperatures, consider there is the situation for setting up the pillar that the sub- metal device of plaid matching is supported.
When setting up pillar, it is possible to increase lattice brick bears the intensity of metal device, can realize the raising of heat resisting temperature.
But it is difficult that the height dimension of the pillar of installation, which is adjusted, when height dimension can not be adjusted, it is impossible to
Height dimension untill making lower surface of the pillar with playing grid metal device from furnace bottom face is corresponding.It is accordingly, it is difficult to suitably right
Grid metal device is supported.
The content of the invention
Bear the extra-column of metal device it is an object of the invention to provide a kind of lattice brick, lattice brick bears metal device and
Post adding method, by increasing capacitance it is possible to increase the amount of stored heat of lattice brick is simultaneously corresponding with high temperature, can cut down operating cost, and realize the duration
Shorten.
The extra-column that the lattice brick of the present invention bears metal device is arranged at the grid metal device of the lattice brick for bearing hot-blast stove
Between part and furnace bottom face, it is characterised in that possess：Post main body, possess the multiple post parts stacked in the height direction；Top gold
Belong to device, be configured in above-mentioned post main body and abutted with above-mentioned grid metal device；And height regulating mechanism, it is arranged at above-mentioned
Between post main body and above-mentioned top metal device, between the midway of above-mentioned post main body or above-mentioned post main body and above-mentioned furnace bottom face,
Above-mentioned top metal device has slit, and the slit is configured at position corresponding with the passage of above-mentioned grid metal device, makes
Gas from the passage is ventilated to the side of the top metal device.
The extra-column of metal device is born according to the lattice brick of the present invention, can with subsequent order by extra-column set up in
Lattice brick bears metal device.
First, post main body is stood up into furnace bottom face, top metal device is placed in the post main body.Now, with
Between top metal device, height regulating mechanism is set between post main body or between post main body and furnace bottom face in advance.Utilize this
Height regulating mechanism, the height dimension untill can playing the lower surface of grid metal device with the furnace bottom face from hot-blast stove are corresponding
Ground adjusts the post height dimension of extra-column, abuts the sub- metal device of top metal device dative, can support grid securely
Metal device.
Extra-column can be set up as described above, it is therefore not necessary to which carrying out replacing lattice brick bears the large-scale of metal device
Replacing/improvement project, it is not necessary to during long-term operation stops, the reduction of furnace processor can be suppressed.
In addition, it is possible to increase lattice brick bears the intensity of metal device, improves heat resisting temperature, by increasing capacitance it is possible to increase the accumulation of heat of lattice brick
Amount.And then by increasing amount of stored heat, so as to carry out high temperature to the hot blast from hot-blast stove to blast furnace, coke can be reduced,
Operating cost can be cut down.
In the present invention, post main body is integrally divided into multiple post parts smaller with respect to the post main body, can be only respectively
On the spot convey each post part.Thus, for example, the even if opening that the ventilation space between grid metal device and furnace bottom face passes through
Straitly be formed as the degree that post main body overall time can not be moved into, also can be by multiple post parts separately from opening
Mouth is moved into ventilation space.In addition, with post main body integrally compared with, post part monomer is small-sized and light weight, therefore, easily carries out by people
The progress such as hand is moved into.
In the present invention, the top metal device abutted in the lower surface of the sub- metal device of dative forms slit, accordingly, it is capable to
Enough reduce the occlusion locationses of the passage of grid metal device.Thereby, it is possible to reduce the gas stream hindered by top metal device
It is dynamic.
In addition, the lattice brick of the present invention bears metal device and for example possesses the sub- metal device of grid metal device, dative case
Beam and the pillar for bearing beam.The relatively above-mentioned pillar of extra-column is added setting, is configured at spaced intervals between pillar.
Preferably, in the lattice brick of the present invention bears the extra-column of metal device, above-mentioned multiple post parts can be mutual
Ground is concavo-convex chimeric.
According to such composition, when being stacked to multiple post parts, make each post part concavo-convex chimeric each other, so as to,
The mutual positioning of post part can simply be carried out.Thus, the setting of extra-column sets operation easy, when can shorten operation
Between.
Preferably, in the lattice brick of the present invention bears the extra-column of metal device, above-mentioned height regulating mechanism has：Adjust
Whole bolt, stand up above-mentioned furnace bottom face and can be abutted with above-mentioned post main body；And wedge metal device, it is driven into above-mentioned post
Between main body and above-mentioned furnace bottom face.
Preferably, above-mentioned height regulating mechanism possesses the wedge being driven between above-mentioned post main body and above-mentioned top metal device
Metal device, above-mentioned wedge metal device, abut with least one party among above-mentioned post main body and above-mentioned top metal device
Face is formed as the inclined inclined plane of relatively horizontal orientation.
Preferably, in the lattice brick of the present invention bears the extra-column of metal device, the inclined plane of above-mentioned wedge metal device
It is set to that relatively horizontal orientation is more than 0 degree and the angle of inclination less than 10 degree.
According to such composition, inclined plane mode described above is configured to gently angle of inclination.Therefore, even if wedge is golden
Category device is configured between post main body and top metal device, but also in the state of not being driven into, can also suppress wedge gold
Belong to the position skew of device, top metal device, can easily carry out post and set up operation.
Preferably, in the lattice brick of the present invention bears the extra-column of metal device, above-mentioned extra-column possesses stopper portions
Above-mentioned wedge metal device is locked to above-mentioned post main body and above-mentioned top metal device by part, the block component.
According to such composition, after being adjusted based on squeezing into for wedge metal device to post height dimension, pass through gear
Block part engages to wedge metal device, thus, it is possible to suppress the position skew of wedge metal device.
Preferably, in the lattice brick of the present invention bears the extra-column of metal device, above-mentioned block component is formed as wedge shape
Shape, in above-mentioned wedge metal device formed with through hole, the through hole squeezes into the side that direction intersects for above-mentioned block component to wedge
To insertion.
According to such composition, by adjusting insertion of the block component with respect to the through hole of wedge metal device, so as to energy
Enough and wedge metal device the wedge amount of squeezing into accordingly makes wedge metal device be locked to post main body and top metal device.
Preferably, in the lattice brick of the present invention bears the extra-column of metal device, above-mentioned extra-column possesses retaining member,
The retaining member is fixed on above-mentioned post main body and above-mentioned top metal device, and is abutted with above-mentioned block component and prevent the gear
Block part is deviate from.
According to such composition, anticreep is carried out to block component by retaining member, thereby, it is possible to more reliably keep wedge
The wedge of metal device squeezes into state.
The lattice brick of the present invention bears metal device and is characterised by possessing：The grid metal device of dative case brick；Bear
State multiple pillars of grid metal device；And above-mentioned lattice brick of the invention bears the extra-column of metal device.
Metal device is born according to the lattice brick of the present invention, can be configured to play and be born with above-mentioned lattice brick of the invention
The lattice brick of the extra-column identical action effect of metal device bears metal device.
Preferably, in the lattice brick of the present invention bears metal device, above-mentioned extra-column is in above-mentioned multiple pillar spacer standard widths of a room in an old-style house
Configured every ground.
According to such composition, by multiple pillars and extra-column, it can shorten what the sub- metal device of plaid matching was supported
Interval.Stress caused by metal device is born in lattice brick therefore, it is possible to relax, high-temperature capability can be effectively improved.
Preferably, in the lattice brick of the present invention bears metal device, possess：The grid metal device of dative case brick；Bear
Multiple pillars of above-mentioned grid metal device；It is above-mentioned and above-mentioned lattice brick of the invention bears the extra-column of metal device
Extra-column is configured in a manner of multiple adjoinings, relatively above-mentioned by 1 extra-column among above-mentioned multiple extra-columns of adjacent configuration
Other multiple extra-columns among multiple extra-columns are centrally located, and above-mentioned wedge metal device is in other above-mentioned multiple extra-columns
It is to be located at above-mentioned 1 central extra-column along each extra-column direction from other multiple extra-columns that wedge, which squeezes into direction setting,
Direction.
According to such composition, when squeezing into wedge metal device in other multiple extra-columns, centrally located 1 can be passed through
Individual extra-column is squeezed into direction in opposite direction side from the wedge with wedge metal device to other multiple extra-columns and is supported.Therefore,
The wedge that wedge metal device can easily be carried out squeezes into operation.
In addition, in the adjacent configuration of extra-column, except extra-column be in contact with each other configuration situation in addition to, in addition to wedge gold
Category device waits the situation for being slightly separated and being configured with the degree do not disturbed each other.
The post adding method of the present invention is characterised by, is to set up above-mentioned extra-column of the invention to bear gold in lattice brick
Belong to the method for device, in the above-mentioned methods, the post main body of above-mentioned extra-column is stood up to the furnace bottom face of hot-blast stove, will be above-mentioned
The wedge metal device of extra-column is placed in above-mentioned post main body, and above-mentioned top metal device is placed in into above-mentioned wedge metal device, will
Above-mentioned wedge metal device, which is squeezed between above-mentioned post main body and above-mentioned top metal device, carrys out adjustment column height dimension.
According to the post adding method of the present invention, it can play and bear metal device identical with above-mentioned lattice brick of the invention
Action effect.
In addition, the situation in the so-called furnace bottom face that the post main body of extra-column is stood up to hot-blast stove, for example, except by post
The bottom of main body is erected in outside the situation on the furnace bottom face of hot-blast stove, and a part for above-mentioned bottom also is buried into composition
Situation in the contraction-free grouting concrete in furnace bottom face.
Preferably, in the post adding method of the present invention, above-mentioned post main body is made up of multiple post parts, by above-mentioned multiple posts
Part stacks and erects and set above-mentioned post main body in the height direction.
According to such composition, the multiple post parts for forming post main body can be individually conveyed individually.Thus, for example, i.e.
The opening for passing through the ventilation space between grid metal device and furnace bottom face is straitly formed as can not be overall by post main body
The degree disposably moved into, also can be by than post main body, integrally small multiple post parts are separately moved to ventilation from opening
Space.In addition, with post main body integrally compared with, post part monomer is small-sized and light weight, therefore, easily carries out removing by the progress such as human hand
Enter.
Preferably, in the post adding method of the present invention, 1 above-mentioned extra-column is set, it is adjacent around above-mentioned extra-column
Connect configuration and in the case that other multiple extra-columns are set, to from other above-mentioned multiple extra-columns towards it is relative this other it is multiple attached
The wedge of 1 centrally located above-mentioned extra-column of strutting squeezes into the wedge metal device that direction is squeezed into other above-mentioned multiple extra-columns.
According to such composition, when squeezing into wedge metal device in other multiple extra-columns, centrally located 1 can be passed through
Individual extra-column is squeezed into direction in opposite direction side from the wedge with wedge metal device to other multiple extra-columns and is supported.Therefore,
The wedge that wedge metal device can easily be carried out squeezes into operation.
Preferably, in the post adding method of the present invention, above-mentioned wedge metal device is squeezed into above-mentioned post main body and above-mentioned top
Between holding metal device, above-mentioned wedge metal device is locked to by above-mentioned post main body and above-mentioned top metal device by block component
Part.
According to such composition, after being adjusted based on squeezing into for wedge metal device to post height dimension, pass through gear
Block part engages to wedge metal device, thus, it is possible to suppress the position skew of wedge metal device.
According to the present invention, there is provided a kind of lattice brick bears the extra-column of metal device, lattice brick bears metal device and post
Adding method, by increasing capacitance it is possible to increase the amount of stored heat of lattice brick, operating cost can be cut down.
Brief description of the drawings
Fig. 1 is the schematic diagram for representing to bear the hot-blast stove of metal device using lattice brick of the first embodiment.
Fig. 2A is to represent that lattice brick of the first embodiment bears the explanation figure of metal device.
Fig. 2 B are to represent that lattice brick of the first embodiment bears the explanation figure of metal device.
Fig. 3 is to represent that lattice brick of the first embodiment bears the schematic diagram of the extra-column of metal device.
Fig. 4 is to represent that lattice brick of the first embodiment bears the stereogram of the top metal device of metal device.
Fig. 5 A are to represent that lattice brick of the first embodiment bears the schematic diagram of the construction of metal device.
Fig. 5 B are to represent that lattice brick of the first embodiment bears the schematic diagram of the construction of metal device.
Fig. 5 C are to represent that lattice brick of the first embodiment bears the schematic diagram of the construction of metal device.
Fig. 5 D are to represent that lattice brick of the first embodiment bears the schematic diagram of the construction of metal device.
Fig. 6 A are to represent that lattice brick of the second embodiment bears the signal of the main portions of the extra-column of metal device
Figure.
Fig. 6 B are to represent that lattice brick of the second embodiment bears the signal of the main portions of the extra-column of metal device
Figure.
Fig. 7 A are to represent that lattice brick of the third embodiment bears the signal of the main portions of the extra-column of metal device
Figure.
Fig. 7 B are to represent that lattice brick of the third embodiment bears the signal of the main portions of the extra-column of metal device
Figure.
Fig. 8 is to represent that lattice brick of the fourth embodiment bears the explanation figure of the extra-column of metal device.
Embodiment
[the 1st embodiment]
Hereinafter, the 1st embodiment of the present invention is illustrated based on accompanying drawing.
In Fig. 1, hot-blast stove 2 is connected to the blast furnace 1 of ironmaking in which can supply hot blast.In Fig. 1,1 is only shown
Hot-blast stove 2, but every seat height stove is provided with multiple hot-blast stoves 2.
Hot-blast stove 2 is the stove for possessing combustion chamber and regenerator 3.The lattice brick 4 of accumulation of heat is laminated with regenerator 3.In heat
The lower side of wind furnace 2 is connected with the pipeline 5 for making air be circulated to lattice brick 4, the furnace bottom face 21 of hot-blast stove 2 (Fig. 2A with
And Fig. 2 B references) be provided with lattice brick of the first embodiment and bear metal device 10.
Substantially hexagonal shape when each lattice brick 4 is overlooks, is formed and quilt multiple through hole up/down perforations of each lattice brick 4
It is arranged in clathrate.Multiple lattice bricks 4 are mutually interconnected in the horizontal direction with clathrate by multiple arrangements with respective through hole
Untill logical mode is stacked near the furnace roof of hot-blast stove 2 from lattice brick bears metal device 10.
It is cast iron system that lattice brick, which bears metal device 10, is the metal device for supporting lattice brick 4.As shown in Fig. 2A, Fig. 2 B,
Lattice brick, which bears metal device 10, to be possessed：The grid metal device 20 of dative case brick 4；The beam 30 of the sub- metal device 20 of dative case；Hold
By multiple pillars 40 of beam 30；Bearing multiple extra-columns 50 of metal device with qualifying brick, (following, it is additional to omit address
Post).Grid metal device 20, beam 30, pillar 40 and extra-column 50 are cast iron system.
Grid metal device 20 is tabular, is arranged to extend in the horizontal direction in the furnace bottom part of the inside of hot-blast stove 2.
On grid metal device 20, up/down perforation is formed with multiple passages 201 shown in Fig. 3.The upper table of grid metal device 20
Supported in face of the lower surface of lattice brick 4.The lower surface of grid metal device 20 is supported via beam 30 by multiple pillars 40, and
Supported by multiple extra-columns 50.
Lower surface arrangement of the beam 30 along grid metal device 20 is configured multiplely.
Length direction of multiple pillars 40 along each beam 30 is configured with separating predetermined distance.Each pillar 40 is integrally formed as
Column.The bottom of each pillar 40 is fixed in the heat resistance concrete 22 of the furnace bottom part of hot-blast stove 2.The upper end of each pillar 40
Abutted with the lower surface of beam 30.
As shown in figure 3, each extra-column 50 possesses post main body 51, is configured in post main body 51 and the sub- metal device 20 of dative supports
The top metal device 52 connect and the wedge metal device 53 squeezed between post main body 51 and top metal device 52, pass through wedge
Metal device 53 forms height regulating mechanism.Furthermore it is preferred that extra-column 50 is by the heat-resisting temperature than configured pillar 40
The heat-resisting cast iron of the high heat resisting temperature (450~600 DEG C of degree) of degree (300~450 DEG C of degree) is formed.
Post main body 51 possesses the multiple post parts 511 stacked in the short transverse of hot-blast stove 2.Each post part 511 is formed
For section hexagonal shape.
The post part 511A of most subordinate among multiple post parts 511 is in the hole that its lower face side is formed inserted with steel
Axis body 54.Here, axis body 54 will be flowed into the ungauged regions of the groove portion formed by the deposited brick 23 being laid on heat resistance concrete 22
Grouting material 24 penetrates, and is fixed in heat resistance concrete 22, and the axis body 54 is erect with respect to furnace bottom face 21 and set.In post part 511A
Upper surface formed with convex portion 512 (dowel pin).
The post part 511B of most higher level among multiple post parts 511 lower surface is formed with recess 513.Post part
511B upper surface is formed as flat horizontal plane.
In addition to post part 511A, 511B remaining multiple post parts 511 in upper surface formed with convex portion 512, under
Surface is formed with recess 513.
Here, each convex portion 512 and each recess 513 carry out concavo-convex chimeric, mutually post part 511 is positioned.
As shown in figure 3, top metal device 52 possesses the top main body that the lower surface of the sub- metal device 20 of dative abuts
521 and the wedge contact body 522 that is abutted with wedge metal device 53.The lower surface of top main body 521 is fixed in wedge contact body
522 upper surface.
As shown in figure 4, top main body 521 passes through the slit 523 of the ventilation on block multiple arrangement ground in the horizontal direction
The mode of formation is configured.
Slit 523 is formed to make to come from grid metal device in the upper surface of top main body 521 and two sides opening
The gas of the passage 201 of part 20 is ventilated from the upper table aspect-oriented of top main body 521.Depth dimensions (the top of slit 523
Hold the depth dimensions from upper surface to lower face side of main body 521) with from the central portion on the left and right directions of top main body 521
Rise and become larger towards left and right ends portion.
Part in top main body 521 between slit 523 is formed as tabular, the upper surface dative interest category device of the part
The lower surface of part 20 abuts.
The lower surface 522A of wedge contact body 522 is formed as the inclined inclined plane in upper surface along wedge metal device 53.
In addition, top main body 521 can also be integrally formed with wedge contact body 522.
Wedge metal device 53 is formed as the thickness T of above-below direction with the horizontal direction from a side towards another
Side and become larger.
The lower surface 531 of wedge metal device 53 is formed as flat horizontal plane, is abutted with post part 511B upper surface.
The upper surface 532 of wedge metal device 53 is formed as flat inclined plane, and the flat inclined plane is configured to relatively
Horizontal direction is in the angle of inclination more than 0 degree and less than 10 degree, is configured to 1 degree of angle of inclination in the present embodiment.
The wedge metal device 53 is configured to squeeze into by the wedge being driven between post main body 51 and top metal device 52
The adjustment of amount, the overall post height dimension L of extra-column 50 can be adjusted.
As shown in Figure 2 B, in lattice brick bears metal device 10,7 extra-columns 50 are configured by adjacent, each group as described above that
7 extra-columns 50 of sample adjoining configuration, between beam 30 and are spaced apart compartment of terrain in multiple pillars 40 and are configured.
By other among the relatively multiple extra-columns 50 of 1 extra-column 50A among multiple extra-columns 50 of adjacent configuration
Multiple extra-column 50B are centrally located.
Wedge of the wedge metal device 53 in each extra-column 50B is squeezed into direction and is set to along from each extra-column 50B points
Not towards extra-column 50A direction.Therefore, 6 extra-column 50B wedge squeeze into direction by center extra-column 50A centered on into
For radiation direction.
In the case of carrying out accumulation of heat in above-mentioned hot-blast stove 2, it will be imported in the gas of combustion chambers burn to regenerator 3,
Lattice brick 4 in regenerator 3 is heated.The gas that plaid matching brick 4 heats sprays down from the through hole of lattice brick 4, by lattice
Brick bears the ventilation space 6 formed between metal device 10 and the furnace bottom face 21 of hot-blast stove 2, flows and discharges to pipeline 5.
In addition, in the case of supplying hot blast to blast furnace 1 in hot-blast stove 2, outer gas is imported from pipeline 5 to ventilation space 6,
Distribute from ventilation space 6 towards each through hole of lattice brick 4, the outer gas heated during through lattice brick 4, as hot blast to
Blast furnace 1 is sent out.
[the post adding method of the 1st embodiment]
Hereinafter, for bearing the post adding method that metal device 10 sets up extra-column 50 to lattice brick of the present embodiment
Illustrate.
First, the maintenance manhole 8 in the setting of the bottom of hot-blast stove 2 is opened, by the post part 511 of multiple extra-columns 50
Moved into the ventilation space 6 between the sub- metal device 20 of the dative of furnace bottom face 21.
Then, as shown in Figure 5A, the assigned position post part 511A of most subordinate being configured on furnace bottom face 21, insert from
The axis body 54 that the furnace bottom face 21 protrudes.Then, multiple post parts 511 are stacked on post part 511A (includes the post portion of most higher level
Part 511B).Now, each convex portion 512 is carried out concavo-convex chimeric with each recess 513.So, as shown in Figure 5 B, post main body 51 is erect
It is arranged at furnace bottom face 21.
Then, as shown in Figure 5 C, wedge metal device 53 is placed in upper surface (the post part 511B upper table of post main body 51
Face), top metal device 52 is placed in the upper surface of wedge metal device 53.
And then squeeze into wedge metal device 53 between post main body 51 and top metal device 52, make top metal device 52
It is moved upward.By squeezing into for wedge metal device 53, the upper surface of top metal device 52 is crimped on grid metal device 20
Lower surface.
So, extra-column 50 is arranged to the mode shown in Fig. 5 D.In addition, the post height dimension L of extra-column 50 can lead to
Cross the adjustment of the wedge amount of squeezing into of wedge metal device 53 and be adjusted.
Here, have a case that multiple extra-columns 50 are configured by adjacent as shown in Figure 2 B.So the adjoining of extra-column 50 is matched somebody with somebody
The order put is as described below.
First, the extra-column 50A in center is arranged to above-mentioned mode.Then, the adjacent configuration around extra-column 50A
And 6 extra-column 50B are set.Here, each extra-column 50B wedge squeeze into direction be set to from each extra-column 50 towards center it is attached
Strutting 50A directions.So, multiple extra-columns 50 are carried out abutting configuration.
[effect of the 1st embodiment]
(1) in the present embodiment, it is characterised in that extra-column 50 is the grid metal in the lattice brick 4 for bearing hot-blast stove 2
The extra-column 50 set between device 20 and furnace bottom face 21, the extra-column 50 possess post main body 51, are configured in post main body 51 simultaneously
The top metal device 52 and be driven between post main body 51 and top metal device 52 that the sub- metal device 20 of dative abuts
Wedge metal device 53, wedge metal device 53, the face that is abutted with least one party among post main body 51 and top metal device 52
Be formed as to the inclined inclined plane of horizontal direction (upper surface 532).
Due to above-mentioned composition, metal device is born in lattice brick therefore, it is possible to set up extra-column 50 with subsequent order
Part 10.First, post main body 51 is stood up into furnace bottom face 21, wedge metal device 53 is placed in post main body 51, by top gold
Category device 52 is placed in wedge metal device 53.Then, by wedge metal device 53 squeeze into post main body 51 and top metal device 52 it
Between carry out adjustment column height dimension L.
Here, the wedge amount of squeezing into by adjusting wedge metal device 53, can play grid with the furnace bottom face 21 from hot-blast stove 2
Height dimension untill the lower surface of metal device 20 accordingly adjusts the post height dimension L of extra-column 50, being capable of firm twelve Earthly Branches
Hold grid metal device 20.Due to extra-column 50 can be set up as described above, it is therefore not necessary to which carrying out plaid matching brick bears metal device
Large-scale replacing/improvement project that part 10 is changed, it is not necessary to during long-term operation stops, furnace processor can be suppressed
Reduction.
In addition, it is possible to increase lattice brick bears the intensity of metal device 10, improves heat resisting temperature, by increasing capacitance it is possible to increase the storage of lattice brick 4
Heat.And then by increasing amount of stored heat, so as to carrying out high temperature from hot-blast stove 2 to the hot blast of blast furnace 1, reduce
Coke, operating cost can be cut down.
And then in the present embodiment, following each effect can be played.
(2) upper surface 532 (inclined plane) of wedge metal device 53 is set as that relatively horizontal orientation is more than 0 degree and less than 10 degree
Angle of inclination.Thus, above-mentioned upper surface 532 is in gentle angle of inclination, therefore, is configured at even in wedge metal device 53
Between post main body 51 and top metal device 52, and in the state of not being driven into also, can also suppress wedge metal device 53,
The position skew of top metal device 52, can easily carry out post and set up operation.
(3) post main body 51 possesses the multiple post parts 511 stacked in the height direction.Therefore, it is possible to the relative post main body
Post main body 51 is divided into multiple post parts 511 by 51 smaller, can separately convey each post part 511.Therefore, example
Such as, even if be straitly formed as can not one for the opening 7 that the ventilation space 6 between grid metal device 20 and furnace bottom face 21 passes through
The degree that secondary property integrally moves into post main body 51, also multiple post parts 511 separately can be moved to ventilation from opening
In space 6.In addition, compared with post main body 51 is overall, the monomer of post part 511 is small-sized and light weight, therefore, enters easily by human hand etc.
Row is moved into.
(4) multiple post parts 511 are configured to concavo-convex can mutually be fitted together to.Therefore, stacked to multiple post parts 511
When, make each post part 511 concavo-convex chimeric each other, thus, it is possible to simply carry out the mutual positioning of post part 511.Thus, add
The setting of post 50 sets operation easy, can shorten the operating time.
(5) in top metal device 52 formed with slit 523, the slit 523 is configured at the logical of the sub- metal device 20 of dative
Position corresponding to stomata 201, the gas from the passage 201 is set to be ventilated to the side of the top metal device 52.Accordingly, it is capable to
The occlusion locationses of the passage 201 of grid metal device 20 are enough reduced, the gas as caused by top metal device 52 can be reduced
The obstruction of flowing.
(6) extra-column 50 is spaced apart compartment of terrain in multiple pillars 40 and is configured.Therefore, it is possible to pass through pillar 40 and extra-column
50 shorten the interval that the sub- metal device 20 of plaid matching is supported, and can relax that born in lattice brick should caused by metal device 10
Power, heat resisting temperature can be effectively improved.
(7) by 1 extra-column 50A among multiple extra-columns 50 of adjacent configuration with respect to other multiple extra-column 50B positions
It is along from the plurality of extra-column 50B points that the wedge of wedge metal device 53 in center, multiple extra-column 50B, which squeezes into direction setting,
Not towards central extra-column 50A direction.Therefore, when squeezing into wedge metal device 53 in multiple extra-column 50B, can pass through
The extra-column 50A in center squeezes into direction in opposite direction side from the wedge with wedge metal device 53 and the plurality of extra-column 50B is propped up
Hold.Wedge thereby, it is possible to easily carry out wedge metal device 53 squeezes into operation.
[the 2nd embodiment]
Hereinafter, the 2nd embodiment of the present invention is illustrated based on Fig. 6 A and Fig. 6 B.
Lattice brick of the second embodiment shown in Fig. 6 A bears the extra-column 60 of metal device except wedge metal device
Beyond 53, the extra-column 50 that metal device is born with the lattice brick of the 1st embodiment is identically formed.
Extra-column 60 is also equipped with block component 61 in addition to possessing and being formed with the identical of extra-column 50.
Block component 61 is wedge shape, and be formed as with from lower end towards upper end and thickness becomes larger.
Extra-column 60 possesses wedge metal device 63.Wedge metal device 63 is formed substantially in the same manner with wedge metal device 53, but
Be, further formed with wedge squeeze into through hole 64 that the direction that direction intersects penetrates on above-below direction (reference picture 6A,
Fig. 6 B).
, will after wedge metal device 63 is squeezed between post main body 51 and top metal device 52 in the extra-column 60
Block component 61 inserts through hole 64.Thus, wedge metal device 63 and post main body 51 and top metal device 52 are engaged, pressed down
The position skew of wedge metal device 63 processed.
In addition, by adjusting block component 61 to the insertion of through hole 64, can be squeezed into the wedge of wedge metal device 63
Amount accordingly engages the wedge metal device 63 with post main body 51 and top metal device 52 securely.
In addition, block component 61 is not limited to wedge shape, as long as there is the shape for being inserted into through hole 64.Therefore,
For example, block component 61 can also be rectangular shape.
[the 3rd embodiment]
Hereinafter, embodiments of the present invention are illustrated based on Fig. 7 A and Fig. 7 B.
Extra-column 70 shown in Fig. 7 A possesses post main body 51, top metal device 52, wedge gold identically with the 2nd embodiment
Belong to device 63 and block component 61.
And then extra-column 70 possesses the retaining member 71 shown in Fig. 7 A, Fig. 7 B.
Retaining member 71 possesses a pair of fixed components of the side for being welded in post main body 51 and top metal device 52
72 and it is welded in the anti-off boards 73 of a pair of fixed components 72.Anti-off board 73 configures in the horizontal direction.Anti-off board 73 uses following table
Face abuts with the upper surface of block component 61, suppresses the block component 61 and deviates from upward.So, by retaining member 71 to gear
Block part 61 carries out anticreep, can more reliably keep the wedge of wedge metal device 63 to squeeze into state.
[the 4th embodiment]
Hereinafter, embodiments of the present invention are illustrated based on Fig. 8.
In the above-described embodiment, wedge metal device 63 is set between post main body 51 and top metal device 52 as high
Spend adjustment mechanism.On the other hand, the height regulating mechanism of present embodiment is formed between post main body 51 and furnace bottom face 21.
In fig. 8, extra-column 80 has post main body 51 and top identically with the extra-column 50 of the 1st above-mentioned embodiment
Metal device 52 is held, post main body 51 is made up of multiple post parts 511.But top metal device 52 is only used as formed with slit
523 top main body 521, eliminate wedge contact body 522 and wedge metal device as height regulating mechanism in the 1st embodiment
Part 63.
Extra-column 80 has lower member 81 in the lower end of post main body 51, the structure between the lower member 81 and furnace bottom face 21
Into there is height regulating mechanism.
The base component 82 of steel is fixed with furnace bottom face 21, base component 82 is provided with multiple adjustment bolts 83.Under
It is tight with fastening bolt 84 after the bottom part 811 of end pieces 81 is by being adjusted to the head rest supporting of adjustment bolt 83 of specified altitude
It is fixed in base component 82.Thus, the upper end of extra-column 80 is adjusted to defined height with respect to furnace bottom face 21.
Between bottom part 811 and base component 82, wedge gold has been squeezed into from multiple position (between adjustment bolt 83) sides
Belong to device 85, via the wedge metal device 85, the load of extra-column 80 is reliably transmitted towards furnace bottom face 21.
In such present embodiment, the adjustment bolt 83 and wedge as height regulating mechanism can be also utilized
Metal device 85 adjusts the height of extra-column 80 or even top metal device 52, can obtain and the 1st above-mentioned embodiment
Identical effect.
[variation]
The present invention is not limited to the composition that the embodiment of the above illustrates, can reach in the range of the purpose of the present invention
Variation is contained in the present invention.
For example, in the above-described embodiment, post main body 51 is divided into multiple post parts 511 and formed, but not limited to this,
Column can also be formed integrally as in the range of it can move into ventilation space 6.
In the above-described embodiment, in multiple post parts 511 formed with convex portion 512 (dowel pin) and recess 513, but
It is that can also omit the composition of convex portion 512 and recess 513.
In the above-described embodiment, in top metal device 52 formed with for the passage from grid metal device 20
The slit 523 that 201 gas passes through, it is also possible to omit the composition of the slit 523.
In the above-described embodiment, the angle of inclination of the upper surface 532 (inclined plane) of wedge metal device 53 is set to relative water
Square to the angle of inclination less than 10 degree, but not limited to this, wedge metal device 53 can be placed in top metal device 52
On scope in can also be set to more than 10 degree of angle of inclination.
In the above-described embodiment, multiple extra-columns 50 are configured by adjacent, but not limited to this, can also be distributed.
In the above-described embodiment, the relatively horizontal orientation of upper surface 532 of wedge metal device 53 tilts, but not limited to this.
For example, it is also possible to be set to the horizontal plane that upper surface 532 is formed as flat, it is inclined that lower surface 531 is formed as relatively horizontal orientation
Inclined plane.Furthermore it is also possible to it is that both upper surface 532 and lower surface 531 are set to inclined plane.In this case, post portion
Part 511B upper surface, the lower surface 522A of top metal device 52 and wedge metal device 53 lower surface 531, upper surface 532
Angle of inclination be accordingly set to inclined plane, horizontal plane.
In the above-described embodiment, the lower surface 531 of wedge metal device 53 and upper surface 532 are formed flatly, but not
It is limited to this, can also be set to squeeze into the composition guide portion such as convex form, concave shape (" V " word shape) of direction extension along wedge.At this
In the case of kind, post part 511B upper surface, the lower surface 522A of top metal device 52 and wedge metal device 53 lower surface
531st, the shape of upper surface 532 is accordingly set to concave shape, convex form.
By so forming guide portion, thus, it is possible to wedge metal device 53 is squeezed into direction guiding to wedge, can be simply
Squeezed into.Therefore, it is possible to be squeezed into by the wedge of wedge metal device 53, it is easier to and post height dimension L tune is carried out exactly
Whole operation.
In the above-described embodiment, each post part 511 of extra-column 50 is formed as section hexagonal shape, but is not limited to
This, can also be the polygonal shapes such as section triangle shape, quadrangle form, furthermore it is also possible to be section circle shape.
In the above-described embodiment, pillar 40 is gone back via the sub- metal device 20 of dative case, but not limited to this indirectly of beam 30
The composition of beam 30 can be omitted, passes through the sub- metal device 20 of 40 direct dative case of pillar.
In the above-described embodiment, the material of grid metal device 20, beam 30, pillar 40 and extra-column 50 is set to cast
It is iron to be illustrated, still, as long as the material of these parts meets that above-mentioned high-temperature capability may not be cast iron system, example
Such as, it can also be refractory material/cast steel etc..
Claims (15)
1. a kind of lattice brick bears the extra-column of metal device, the extra-column is arranged at the grid metal for the lattice brick for bearing hot-blast stove
Between device and furnace bottom face, it is characterised in that possess：
Post main body, possess the multiple post parts stacked in the height direction；Top metal device, it is configured in above-mentioned post main body simultaneously
Abutted with above-mentioned grid metal device；And height regulating mechanism, be arranged at above-mentioned post main body and above-mentioned top metal device it
Between, between the midway or above-mentioned post main body and above-mentioned furnace bottom face of above-mentioned post main body,
Above-mentioned top metal device has slit, and the slit is configured at position corresponding with the passage of above-mentioned grid metal device
Put, the gas from the passage is ventilated to the side of the top metal device.
2. lattice brick as claimed in claim 1 bears the extra-column of metal device, it is characterised in that
Above-mentioned multiple post parts can be reciprocally concavo-convex chimeric.
3. lattice brick as claimed in claim 1 bears the extra-column of metal device, it is characterised in that
Above-mentioned height regulating mechanism has：Adjustment bolt, stand up above-mentioned furnace bottom face and can be abutted with above-mentioned post main body；
And wedge metal device, it is driven between above-mentioned post main body and above-mentioned furnace bottom face.
4. lattice brick as claimed in claim 1 bears the extra-column of metal device, it is characterised in that
Above-mentioned height regulating mechanism possesses the wedge metal device being driven between above-mentioned post main body and above-mentioned top metal device,
Above-mentioned wedge metal device, the face that is abutted with least one party among above-mentioned post main body and above-mentioned top metal device formed
For the inclined inclined plane of relatively horizontal orientation.
5. lattice brick as claimed in claim 4 bears the extra-column of metal device, it is characterised in that
The inclined plane of above-mentioned wedge metal device is set to that relatively horizontal orientation is more than 0 degree and the angle of inclination less than 10 degree.
6. lattice brick as claimed in claim 4 bears the extra-column of metal device, it is characterised in that
Above-mentioned extra-column possesses block component, the block component by above-mentioned wedge metal device be locked to above-mentioned post main body and on
State top metal device.
7. lattice brick as claimed in claim 6 bears the extra-column of metal device, it is characterised in that
Above-mentioned block component is formed as wedge shape,
In above-mentioned wedge metal device formed with through hole, the through hole squeezes into the side that direction intersects for above-mentioned block component to wedge
To insertion.
8. lattice brick as claimed in claim 6 bears the extra-column of metal device, it is characterised in that
Above-mentioned extra-column possesses retaining member, and the retaining member is fixed on above-mentioned post main body and above-mentioned top metal device, and
And being abutted with above-mentioned block component prevents the block component from deviating from.
9. a kind of lattice brick bears metal device, it is characterised in that possesses：
The grid metal device of dative case brick；
Bear multiple pillars of above-mentioned grid metal device；And
Lattice brick any one of 1~claim 8 of claim bears the extra-column of metal device.
10. lattice brick as claimed in claim 9 bears metal device, it is characterised in that
Above-mentioned extra-column opens compartment of terrain configuration in above-mentioned multiple pillar spacers.
11. a kind of lattice brick bears metal device, it is characterised in that possesses：
The grid metal device of dative case brick；
Bear multiple pillars of above-mentioned grid metal device；And
Lattice brick any one of 3~claim 8 of claim bears the extra-column of metal device,
Above-mentioned extra-column is configured in a manner of multiple adjoinings, by 1 extra-column among above-mentioned multiple extra-columns of adjacent configuration
Other multiple extra-columns among relatively above-mentioned multiple extra-columns are centrally located,
Wedge of the above-mentioned wedge metal device in other above-mentioned multiple extra-columns squeeze into direction setting be along from this other it is multiple attached
Each extra-column of strutting is towards positioned at the direction of above-mentioned 1 central extra-column.
A kind of 12. post adding method, it is characterised in that
Above-mentioned post adding method is that the lattice brick any one of 4~claim 8 of claim is born into metal device
Extra-column sets up the method for bearing metal device in lattice brick,
In the above-mentioned methods,
The post main body of above-mentioned extra-column is stood up to the furnace bottom face of hot-blast stove,
The wedge metal device of above-mentioned extra-column is placed in above-mentioned post main body,
Above-mentioned top metal device is placed in above-mentioned wedge metal device,
Above-mentioned wedge metal device is squeezed between above-mentioned post main body and above-mentioned top metal device and carrys out adjustment column height dimension.
13. post adding method as claimed in claim 12, it is characterised in that
Above-mentioned post main body is made up of multiple post parts,
Above-mentioned multiple post parts are stacked in the height direction and erects and above-mentioned post main body is set.
14. post adding method as claimed in claim 12, it is characterised in that
1 above-mentioned extra-column is set,
In the case of configuration is abutted around above-mentioned extra-column and other multiple extra-columns are set,
To the wedge from other above-mentioned multiple extra-columns towards 1 centrally located above-mentioned extra-column of relative other multiple extra-columns
Squeeze into the wedge metal device that direction is squeezed into other above-mentioned multiple extra-columns.
15. post adding method as claimed in claim 12, it is characterised in that
Above-mentioned wedge metal device is squeezed between above-mentioned post main body and above-mentioned top metal device,
Above-mentioned wedge metal device is locked to by above-mentioned post main body and above-mentioned top metal device by block component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016135321A JP6615059B2 (en) | 2016-07-07 | 2016-07-07 | Additional columns for checker brick receiving hardware, checker brick receiving hardware and column expansion method |
| JP2016-135321 | 2016-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107586908A true CN107586908A (en) | 2018-01-16 |
| CN107586908B CN107586908B (en) | 2019-09-20 |
Family
ID=60945929
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720646380.5U Withdrawn - After Issue CN207047270U (en) | 2016-07-07 | 2017-06-06 | The extra-column that lattice brick bears metal device bears metal device with brick of passing |
| CN201710417047.1A Active CN107586908B (en) | 2016-07-07 | 2017-06-06 | Lattice brick bears the extra-column of metal device, lattice brick bears metal device and column adding method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720646380.5U Withdrawn - After Issue CN207047270U (en) | 2016-07-07 | 2017-06-06 | The extra-column that lattice brick bears metal device bears metal device with brick of passing |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6615059B2 (en) |
| CN (2) | CN207047270U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6615059B2 (en) * | 2016-07-07 | 2019-12-04 | 日鉄エンジニアリング株式会社 | Additional columns for checker brick receiving hardware, checker brick receiving hardware and column expansion method |
| CN112251556B (en) * | 2020-09-30 | 2022-06-21 | 广东韶钢松山股份有限公司 | Method for recovering performance of grate support column equipment of blast furnace hot blast stove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56213A (en) * | 1979-06-15 | 1981-01-06 | Ishikawajima Harima Heavy Ind Co Ltd | Hot air furnace |
| CN201634702U (en) * | 2010-01-26 | 2010-11-17 | 北京首钢国际工程技术有限公司 | High-temperature and low-oxygen top-combustion type hot-blast stove |
| CN103290156A (en) * | 2013-05-15 | 2013-09-11 | 萨伯丁·安东 | Grating plate device of lattice brick air heating furnace |
| CN205115515U (en) * | 2014-10-17 | 2016-03-30 | 新日铁住金工程技术株式会社 | Check brick supporting components and hot -blast furnace |
| CN207047270U (en) * | 2016-07-07 | 2018-02-27 | 新日铁住金工程技术株式会社 | The extra-column that lattice brick bears metal device bears metal device with brick of passing |
-
2016
- 2016-07-07 JP JP2016135321A patent/JP6615059B2/en active Active
-
2017
- 2017-06-06 CN CN201720646380.5U patent/CN207047270U/en not_active Withdrawn - After Issue
- 2017-06-06 CN CN201710417047.1A patent/CN107586908B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56213A (en) * | 1979-06-15 | 1981-01-06 | Ishikawajima Harima Heavy Ind Co Ltd | Hot air furnace |
| CN201634702U (en) * | 2010-01-26 | 2010-11-17 | 北京首钢国际工程技术有限公司 | High-temperature and low-oxygen top-combustion type hot-blast stove |
| CN103290156A (en) * | 2013-05-15 | 2013-09-11 | 萨伯丁·安东 | Grating plate device of lattice brick air heating furnace |
| CN205115515U (en) * | 2014-10-17 | 2016-03-30 | 新日铁住金工程技术株式会社 | Check brick supporting components and hot -blast furnace |
| CN207047270U (en) * | 2016-07-07 | 2018-02-27 | 新日铁住金工程技术株式会社 | The extra-column that lattice brick bears metal device bears metal device with brick of passing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107586908B (en) | 2019-09-20 |
| JP2018003134A (en) | 2018-01-11 |
| JP6615059B2 (en) | 2019-12-04 |
| CN207047270U (en) | 2018-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207047270U (en) | The extra-column that lattice brick bears metal device bears metal device with brick of passing | |
| EP2791052B1 (en) | Transportable reformer | |
| US6334770B1 (en) | Fluid-fuel furnace burner for iron and steel products | |
| CN103290156A (en) | Grating plate device of lattice brick air heating furnace | |
| JP5959173B2 (en) | In-furnace combustion control method for industrial furnaces | |
| JP2010127591A (en) | Shelf assembly for burning | |
| CN103644738A (en) | Kiln furniture (kiln car) used for firing of ceramic counter basin frame structures | |
| US10260813B2 (en) | Integral self-supporting refractory checker brick modules for glass furnace regenerator structures, and methods of forming same | |
| CN114739167B (en) | Kiln furniture structure with adjustable shelf board height | |
| CN105080276B (en) | Heat accumulating type odor removal | |
| CN210561745U (en) | Box girder reinforcing steel bar jig processing structure | |
| CN203923238U (en) | Complete resistance to equipment structure supports checker brick furnace binding | |
| CN101622507B (en) | A modular tunnel kiln, and a method and equipment for mounting the tunnel kiln | |
| KR101553556B1 (en) | High temperature melting furnace for manufacturing bamboo salt | |
| TW200738951A (en) | Method for manufacturing steel floor of clean room | |
| US10495298B2 (en) | Comb tooth type water-cooled column and furnace having the same | |
| CN202792968U (en) | Sintering machine trolley grid section | |
| CN201273768Y (en) | Injection circular flow type direct firing pushed slab kiln | |
| CN101363686B (en) | Supporting construction for upper layer tanks of double row tank magnesium reducing furnace | |
| US10330315B2 (en) | Integral self-supporting composite refractory wall modules for refractory structures and methods of forming refractory structure walls of the same | |
| CN105546982B (en) | Kiln with guide rail | |
| DE10041132A1 (en) | Tunnel kiln used for firing bricks comprises kiln cars having supporting surfaces for plates and recesses | |
| FR2519749A1 (en) | ||
| CN104073582B (en) | Complete resistance to equipment structure supports checker brick furnace binding and brick-building art method | |
| JP4670715B2 (en) | Sorting method of objects to be heated in continuous heating furnace group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Tokyo, Japan, Japan Applicant after: Nippon Railway Engineering Technology Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Nippon Steel Eng Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |