CN106103748A - Turn to block and supporting structure - Google Patents

Abstract

The present invention provides the supporting structure (32) of a kind of checker brick for supporting hot wind furnace (5), and this supporting structure (32) has turning to of supporting checker brick (5) and turns to the supporting brick (6) with brick (7) with brick (7) and supporting.Turn to and have with brick (7): main body (70)；Turning to path (75), it connects with the through hole (54) of checker brick (5), and at the lateral opening of main body (70).Turn to and be arranged along the virtual steering surface that the inside of hot-blast stove is separated up and down with brick (7), and formed and the horizontal passageway (35) turning to path (75) to connect between brick (6) with brick (7) and supporting turning to.

Description

Turn to block and supporting structure

Technical field

The present invention relates to the supporting structure of grid (checker) brick of a kind of supporting hot wind furnace and make in this supporting structure Turn to block (slope block).

Background technology

The blast furnace of ironmaking is additionally provided with hot-blast stove.Interior layer at hot-blast stove is laminated with the checker brick of accumulation of heat. As structure during stacking checker brick, a kind of checker brick continuous print stepped construction one by one making each layer is had (funnel-shaped to pile up (chimney flue checker assembly), with reference to patent document 1).In addition, also a kind of brick seam with each layer is not The mode of alignment, (step-lap is piled up or ABC piles up, with reference to patent literary composition to make the stepped construction that the checker brick of each layer sequentially misplace Offer 2).

Lower side at hot-blast stove is connected with the air channel for making checker brick air circulate.In addition, at the end of hot-blast stove Face is provided with the bracket for supporting checker brick.

Bracket of the prior art, erects metal pillar in the bottom surface of hot-blast stove, by the horizontal beam of this pillar supporting steel, Upper surface side at this horizontal beam is formed with the metal slab of extension, is provided with and checker brick on this metal slab The same perforate of through hole.Checker brick are accepted by the upper surface side of supporting plate.Lower face side at supporting plate is formed and is positioned between pillar Ventilation space.Ventilation space connects with aforesaid air channel.

When to hot-blast stove accumulation of heat, the hot blast of heating checker brick sprays downwards from the through hole of undermost checker brick, is leading to After headroom is concentrated, discharge from air channel to outside.

When to blast furnace supply hot blast, extraneous air imports ventilation space, and thus distributes to each through hole of checker brick from air channel, Heated by checker brick when by checker brick, and be sent to blast furnace as hot blast.

In addition, in above-mentioned hot-blast stove, utilize from the blast furnace gas (BFG) that blast furnace is discharged as during to checker brick accumulation of heat Combustion gas.But, simply BFG is as the thermal source of hot-blast stove, and heat can be inadequate.Therefore, the exhaust heat of hot-blast stove self is entered Row recycling, makes BFG heat up (preheating).In addition, as the combustion gas of hot-blast stove, in addition to BFG, be also mixed with coke-stove gas (COG) and the auxiliary such as coal gas of converter (LDG), to carry out supplementing of heat.

But, COG and LDG etc. using as auxiliary, it compared with BFG, is substantially more expensive, therefore, preferably as far as possible not With.Therefore, the preheating of BFG is preferably expanded.

On the other hand, by aforesaid hot-blast stove supply hot blast blast furnace in, the hot blast from hot-blast stove temperature or It when heat is inadequate etc., is blown into oxygen in blast furnace together with the hot blast from hot-blast stove as required, and additional heat.

But, when being blown into the oxygen being used for supplementing the heat in blast furnace in blast furnace, the refining of the oxygen being blown into makes to run Cost rises accordingly.Preferably can either avoid above-mentioned operating cost rise again can additional heat in the case of, make from heat Wind furnace forms sufficient high temperature to the hot blast that blast furnace supplies.

In addition, can use from hot-blast stove to height when being blown into oxygen for additional heat in blast furnace above-mentioned The method adding oxygen in the way of stove, or make hot-blast stove flows into the method for the air being added with oxygen in advance.But, from heat Wind furnace, to when adding oxygen in the way of blast furnace, owing to the oxygen adding is not high temperature, can cause making heat due to the interpolation of oxygen The temperature of wind declines.Therefore, when considering hot blast temperature, it is preferred to use make hot-blast stove flows into the air being added with oxygen in advance Method.

[prior art literature]

[patent document]

[patent document 1] Japanese invention license publication 4216777

[patent document 2] Japanese utility model patents mandate publication the 2563087th

[brief summary of the invention]

[invention to solve the technical problem that]

As it was previously stated, for the hot blast making the hot blast supplying from hot-blast stove to blast furnace be the high temperature with adequate heat, need The heat of the checker brick accumulation of heat of hot-blast stove to be increased, and improve the temperature of checker brick, especially bottom surface temperature.

But, in the bracket of above-mentioned prior art, pillar and horizontal beam are steel, and its heat resisting temperature is about 350 DEG C, and not Can use under high temperature more than this heat resisting temperature.

Limited by the temperature conditions of above-mentioned bracket, in existing hot-blast stove, problem below can be produced.

When supplying hot blast to blast furnace, the hot blast of heating during accumulation of heat, it is limited in 350 DEG C because of bracket portion Hereinafter, therefore, the upper limit of heat-retaining capacity is restricted as a result, the hot blast that can not make to be supplied to blast furnace is sufficient high temperature.

Therefore, in blast furnace, inevitably need to be blown into complementary oxygen, be unable to suppress operating cost.

On the other hand, when hot-blast stove accumulation of heat, the temperature of the hot blast of heating is limited in substantially 350 DEG C at bracket portion Hereinafter, it from the temperature step-down of the exhaust heat of hot-blast stove, is unable to preheat BFG fully.

Accordingly, as the burning gases of hot-blast stove, inevitably need to fill COG, LDG etc., be unable to suppress this portion The cost dividing.

In addition, in the bracket of prior art, there is problem below.

In the bracket of prior art, horizontal beam can block a part of through hole of checker brick, and makes the circulation efficiency of hot blast have Loss.That is, checker brick stacked multilayer in hot-blast stove, each through hole penetrates into the checker brick of lower end from the checker brick of upper end, by This, enable hot blast to circulate.But, in flat shape, the checker brick with the part that the setting area of horizontal beam contacts, its Through hole is blocked by the horizontal beam configuring across supporting plate.Though the checker brick of the simply bottom being blocked by horizontal beam, due under Hold blocked, therefore until the through hole of a row of upper end all can not be utilized.

During in addition, flow through, in make hot-blast stove for additional heat, the air being added with oxygen in advance, prior art The dioxygen oxidation that bracket can be blown into.Bracket oxidation is caved in causing hot-blast stove, in order to prevent this generation of caving in, unsuitable The air more than 40% for the high oxygen concentration especially oxygen concentration is made to flow through.

In addition, in existing bracket, can be by bigger bending load effect at horizontal beam.Especially since water Flat-topped ridge is continuously subject to bending load at a temperature of about 350 DEG C, therefore, has to form enough intensity increase Sectional dimension, so can cause the through hole work(loss of energy increasing above-mentioned checker brick further.

As described above, in the hot-blast stove of prior art, there is the temperature conditions causing because of bracket and oxygen concentration conditions Limit, therefore, have the tight demand eliminating this problem.

Content of the invention

It is an object of the invention to provide supporting structure and this supporting structure of use of the checker brick of a kind of supporting hot wind furnace Turn to block, the restriction of temperature conditions and oxygen concentration conditions can be eliminated, and improve the utilization ratio of through hole.

[solving the technical scheme of technical problem]

The present invention turns to block, uses in the supporting structure of the checker brick of supporting hot wind furnace, and this turns to uses block Having: main body, it is formed by heat-resisting material；With turn to path, it connects with the through hole of described checker brick, and in described main body Lateral opening.

In the above-mentioned present invention, the upper surface in main body arranges checker brick, and makes the through hole of checker brick and turn to communication. When configuring as described above, can be guaranteed between the through hole and the side of main body of checker brick by turning to path, each other Hot blast is had to circulate.

Therefore, by the supporting structure turning to the checker brick being used for supporting hot wind furnace with block of the present invention, can by from The hot blast of the through hole of checker brick is sent to the air channel of the furnace bottom side of hot-blast stove, or, the air from air channel is sent into grid The through hole of brick.

Accordingly, use turning to the supporting structure of block of the present invention, can substitute for the knot of the bracket of the checker brick of prior art Structure.

And, the present invention turns to block, owing to main body is to be formed by heat-resisting material (such as refractory brick), and existing The bracket of the steel in technology is compared, it is possible to increase heat resisting temperature, even also there is no concern that in the environment of high oxygen concentration Oxidation, therefore, it is possible to the oxygen of employing higher concentration is blown into for additional heat.In addition, block is used in turning to of the present invention, When being assembled into supporting structure, body abutment checker brick, the weight of this checker brick is not to form bending load to main body, but is formed Compressive load.Therefore, turning in the supporting structure with block in the use present invention, even if at high temperature also can keep sufficient Intensity, with use steel beam bracket of the prior art compared with, temperature conditions can be relaxed.

And, the present invention turns to block, connects the path that turns to being formed in main body with the through hole of checker brick, according to This, it can be ensured that ventilate between all through holes of checker brick.Therefore, turning to the supporting structure of block in the use present invention In, can effectively utilize all through holes of checker brick, will not be as the bracket of prior art, beam blocks the through hole of checker brick A part, thereby, it is possible to improve the utilization ratio of through hole.

As described above, turning to block according to the present invention, the restriction of temperature conditions and oxygen concentration conditions can be eliminated, and carry The utilization ratio of high through hole.

Turning to in block in the present invention, preferably described main body is formed by refractory brick.

In the above-mentioned present invention, use refractory brick as the heat-resisting material of main body, therefore, it is possible to conscientiously obtain higher resistance to Hot property.Especially, refractory brick has actual effect as heat-resisting material, and, it is easily endowed shape as main body, And manufacturing cost can be suppressed.

In addition, as the heat-resisting material of the present invention, other the inorganic material such as the pottery with heat resistance can be used.And, It is not limited to nonmetallic materials, if having heat resistance (softening temperature is higher, and fusion temperature adds higher), it is possible to use metal material Material.

Use in block turning to of the present invention, the preferably described upper surface turning to path to be formed at described main body, in the form of slot.

In the above-mentioned present invention, turning to path to form channel-shaped at the upper surface of main body, its one end is at the lateral opening of main body.Logical Cross and such turn to path, it can be ensured that connect between the through hole of checker brick and the side of main body, and, owing to turning to path to exist Form channel-shaped in main body, therefore when main body is the cast form parts such as brick, can be when profiled body, integrally formed this turns to Path.Even in addition, can not shape when integrally formed, owing to turning to path to be channel-shaped, it is also possible to easily by entering Row aft-loaded airfoil is formed.

In addition, turn to the path also can be at the upper surface of main body and side surface opening and the pipe being formed at body interior Road.Or, turn to path to be alternatively aforesaid channel-shaped and one part form the structure of pipeline.Above-mentioned pipeline, can be from The upper surface of main body is towards sideways inclination pipeline, or the L-type pipeline at upper surface and side surface opening respectively.By so Turn to path, it is also possible to guarantee the connection between the through hole of checker brick and the side of main body.

Turn to in block in the present invention, preferably described turn to path to be formed as, its bottom surface from described checker brick The part of through hole connection tilts to the mode of the lateral opening step-down of described main body.

In the above-mentioned present invention, by turning to the inclination of the bottom surface of path, the longitudinal direction ventilation of the through hole of checker brick can be made to turn To for laterally, and guide to the side of main body.In addition, the ventilation in the direction in opposite direction with the side from main body to through hole, Also can guide in the same way.It is accordingly possible to ensure turn to the ventilation turning to path with block and turning function.

And, by the inclination of bottom surface, make as turning to the flow path area of path towards sideways enlarged open, though make from During the ventilation interflow of multiple through holes, it is also possible to suppression turns to the increase of the flow velocity in path, and is capable of the resistance suppression that will produce In Min..

Use in block turning to of the present invention, the preferably described through hole turning to path part and described checker brick therebetween Connection, and its two ends are at the lateral opening of described main body.

In the above-mentioned present invention, turn to path can connect with the through hole of checker brick in the upper surface side of main body, and in main body The opening of both sides connect with in the face of the space of main body two sides.Therefore, born from checker brick by the upper surface side of main body The hot blast of through hole, this hot blast, by turning to path, is separately guided to the both sides of main body.In addition, can be by the both sides of main body The air of supply, collaborates at path turning to, and the upper surface through main body guides to the through hole of checker brick.

Turn to in block in the present invention, preferably described turn to path to be arranged in parallel to arrange multiple and adjacent institutes State and turn to path mutually at the opposite side opening of described main body.

In the above-mentioned present invention, path is turned to connect with the through hole of checker brick in the upper surface side of main body, and adjacent turning Alternately at the opposition side opening of main body between path.Therefore, a part for the through hole of checker brick is in the side of main body, other A part is respectively communicated with in the opposition side of main body.According to such structure, it is also possible to the upper surface side in main body is accepted from lattice This hot blast is separately guided to the both sides of main body by the hot blast of the through hole of sub-brick by turning to path.In addition, can be by main body The air of both sides supply, collaborates at path turning to, and the upper surface through main body guides to the through hole of checker brick.Above-mentioned turns to Being configured to block, what the upper surface side in main body was formed turns to path respectively only at arbitrary a certain side opening, as long as due to It is the shape (making air to unilateral flow profile) to some direction arbitrary flowing for the gas, therefore easily manufacture.

Turn to in block in the present invention, preferably described turn to path be arranged in parallel arrange multiple, described turn to logical Road is all at the lateral opening of the same side of described main body.

In the above-mentioned present invention, turn to path to connect with the through hole of checker brick in the upper surface side of main body, and all turn to Path is only at the single-open of main body.Therefore, in the face of the through hole of the identical checker brick turning to the upper surface using block, equal and face This is turned to the space connection of the single side surface of block main body.

Such turning to makes the path that turns to of the upper surface side formation in main body be identical shape (equidirectional list with block Side flow profile), therefore easily manufacture.If in addition, make adjacent turn to block towards alternately for being oppositely directed to, then grid The through hole of brick can replace and separates to both sides.

The present invention turns to in block, and the diagonal position of the brick material at hexa-prism for the preferably described main body forms otch, And form horizontal passageway by described cut out portion.

It in the above-mentioned present invention, is capable of the basis that the profile of hexa-prism to use is standard setting main body as checker brick Shape, forms the main body with horizontal passageway, and this horizontal passageway is formed by the part excision by its main body.Accordingly, it is capable to Enough make to turn to the base shape of block as checker brick, it can be piled up in combination with one another.For example, turn to block and Checker brick, respective base shape is identical hexa-prism, therefore, it is possible to be mixed use and carry out step-lap heap Build.

It is not limited to mutually pile up in step-lap in addition, turn to block and checker brick, it is also possible to utilize funnel-shaped piling up Other pile up mode.

Turning to in block in the present invention, preferably described otch is from the upper surface of described main body to the continuous shape of lower surface Become.

In the above-mentioned present invention, when forming the part of horizontal passageway from the base shape excision of described hexa-prism, logical Cross the upper surface from main body to excise continuously to lower surface, simplifying shapes can be made, and can easily manufacture.

Turn to in block in the present invention, preferably described otch be only formed at described main body upper and lower surface it Between a part.

In the above-mentioned present invention, when forming the part of horizontal passageway from the base shape excision of described hexa-prism, logical Cross only by the part excision between the upper and lower surface of main body, otch can be limited in minimum, except can be preferably Utilize and turn to outside the heat accumulation function using block autologous, additionally it is possible to after utilizing excision, the level of remainder division above-below direction is led to Road.

The supporting structure of the present invention is the supporting structure of the checker brick of supporting hot wind furnace, has: support described checker brick Block is used in turning to of the invention described above；Turn to the supporting parts of block described in being formed and supported by heat-resisting material, described Turn to and be arranged along the virtual steering surface that the inside of described hot-blast stove is separated up and down with block, and form level Path, described horizontal passageway be positioned at described in turn to between block and described supporting parts, extend horizontally and turn to described With the lateral opening of block.

In the above-mentioned present invention, the furnace bottom at hot-blast stove is turned to block by supporting parts carry, is used block by turning to Upper surface supporting checker brick.

Now, turn to block by turning to the open communication of the through hole with checker brick for the path and side.Turning to block Side is formed with horizontal passageway, and this horizontal passageway is used between block and supporting parts by turning to, until the furnace bottom of hot-blast stove Side.Accordingly, the through hole of checker brick turns to path via horizontal passageway, the side with the furnace bottom along hot-blast stove with block from turning to The space connection in face.

So, in the supporting structure of the present invention, can obtain can ensure that the supporting functions of checker brick and logical with through hole The both sides of airway dysfunction, can replace the structure of the undertaking parts of prior art.And, turn to use by using the above-mentioned present invention's Block, compared with the undertaking parts of the steel with prior art, has a higher heat resistance, and can eliminate because backbar is to logical The loss that hole is caused.

As described above, according to the supporting structure of the present invention, the restriction of temperature conditions and oxygen concentration conditions can be eliminated, and can Improve the utilization ratio of through hole.

In the supporting structure of the present invention, preferably described supporting parts turn to by block identical appearance size with described for having Support block.

In the above-mentioned present invention, by making to have as the support block of supporting parts and turning to the profile chi identical with block Very little, each support block can be piled up by block in combination with one another with turning to.Especially, if turning to the base shape dative of block Sub-brick is identical hexa-prism, then the base shape of support block is also identical hexa-prism, hereby it is possible to by these Bearing portion part, turn to block and checker brick Hybrid assembling, and carry out step-lap and pile up.

In addition, supporting parts, turn to and be not limited to mutually pile up in step-lap with block and checker brick, it is also possible to utilize chimney What formula piled up etc. other piles up mode.These pile up mode, it may be desirable to consider turn to the shape with the steering surface of block to being arranged Shape and the configuration of horizontal passageway, and suitably select.

In the supporting structure of the present invention, preferably described turning to is turned to brick (slope for formed by refractory brick by block Bricks), described support block is the supporting brick being formed by refractory brick.

In the above-mentioned present invention, formed by refractory brick respectively by block and support block owing to turning to, therefore, it is possible to effectively Obtain higher heat resistance.Especially, refractory brick has actual effect as heat-resisting material, and, easily as main body It is endowed shape, and manufacturing cost can be suppressed.

In addition, the support block of the present invention, it is possible to use other the inorganic material such as pottery with heat resistance.And, no Being confined to nonmetallic materials, if having heat resistance (softening temperature is higher, and fusion temperature is higher) and oxidative resistance, (being blown into oxygen is During high concentration), then also can make cylinder iron to wait metal material.

In the supporting structure of the present invention, preferably described supporting parts are formed by refractory brick, and turn to use described in supporting The pillar of block.

In the above-mentioned present invention, by using pillar as supporting parts, the portion being arranged in the height direction can be made Number of packages is less.In addition, adjacent pillar space each other can be utilized, form horizontal passageway.Furthermore, it is also possible to by adjacent Pillar spatial concentration each other to together, being formed makes multiple turning to the huge conjunction turning to path all to connect of block Fluid space, and the air channel of the side with hot-blast stove connects.

In the supporting structure of the present invention, preferably described pillar is to connect multiple pillar parts along long side direction and formed 's.

In the above-mentioned present invention, even if use pillar as supporting parts, it is also possible to limit the length of each pillar part, Thus, be conducive to manufacturing and carrying.

In the supporting structure of the present invention, preferably described steering surface is formed as, from the base of the bottom surface traversing described hot-blast stove Fiducial axis alignment both sides and the V shape extending up sideling.

In the above-mentioned present invention, turn to block by being arranged at the steering surface in V shape, make to be supported in and turn to use The through hole of the checker brick of the upper surface of block with from turn to block be communicated to support parts horizontal passageway connect.

Now, by the inclination of steering surface, the specific region of the flat shape within hot-blast stove is across steering surface and hot blast furnace side The specific region of the short transverse in face is corresponding, and the through hole of the checker brick in each region is distributed to the level corresponding with each height and led to Road, hereby it is possible to suitably regulate each assignment of traffic.

In addition, constituted V shape by making steering surface by 2 inclined planes in opposite directions, make to use block turning to of being arranged of steering surface Body with mutually identical towards regularly arranged.And, horizontal passageway respectively in the both sides of datum axis in reporting to the leadship after accomplishing a task with datum axis Direction regularly arranged.Accordingly, horizontal passageway is parallel to each other, and so easily carries out being arranged of horizontal passageway of supporting structure Design.

In the supporting structure of the present invention, preferably described steering surface is formed as, from the bottom surface of described hot-blast stove to periphery and Extend up sideling substantially coniform or substantially pyramid-shaped.

In the above-mentioned present invention, use block by being arranged to turn in substantially coniform or substantially pyramid-shaped steering surface Body, will bear upon to turn to and is communicated to support the level of parts with block with the through hole of the checker brick of the upper surface of block with from turning to Communication.

Now, by the inclination of steering surface, the specific region of the flat shape within hot-blast stove is across steering surface and hot blast furnace side The specific region of the short transverse in face is corresponding, and the through hole of the checker brick in each region is distributed to the level corresponding with each height and led to Road, hereby it is possible to suitably regulate each assignment of traffic.

In addition, steering surface is substantially coniform or substantially pyramid-shaped, accordingly, turn to block with substantially coniform or substantially pyramid Circumferentially shape arrangement centered on the central axis of shape, during horizontal passageway with substantially coniform or substantially pyramid-shaped central axis is The heart is radially formed.Accordingly, the horizontal passageway that the outer circumferential side at hot-blast stove can be made to extend is impartial in the radial direction.Especially, Turn to when being hexa-prism with block, by making steering surface be hexagonal pyramid shape or Rhizoma Sparganii taper, intersect at the edge with bottom surface Direction is arranged horizontal passageway, horizontal passageway can be made impartial in the radial direction, and make to simplify the structure.

In the supporting structure of the present invention, preferably described steering surface is horizontally extending.

In above-mentioned invention, turned to by being arranged on horizontally extending steering surface with block, make to be supported on Turn to the through hole of the checker brick of the upper surface of block with faced by turn to the horizontal passageway with the side of block to connect.And, logical Cross the lower surface at horizontally extending steering surface and form joining space, make in the face of respectively turning to by the horizontal passageway of block even Logical, can make to connect with all through holes of the checker brick of block supporting and form joining space by turning to.Such joining space Can be formed by using the structure of above-mentioned pillar.

In such a configuration, it is capable of the supporting to checker brick and connects with through hole with not losing, and can make to turn Simplify to face, simplify the structure.

The supporting structure of the checker brick of the hot-blast stove according to the present invention and turning to of this supporting structure of use use block, can Eliminate the utilization ratio limiting and improving through hole of temperature conditions and oxygen concentration conditions.

Brief description

Fig. 1 is the overall sectional view of the 1st embodiment representing the present invention.

Fig. 2 is the amplification view of the furnace bottom part representing described 1st embodiment.

Fig. 3 is the schematic diagram of the steering surface representing described 1st embodiment.

Fig. 4 is the exploded perspective view of the brick packing structure representing described 1st embodiment.

Fig. 5 is the stereogram of the checker brick representing described 1st embodiment.

Fig. 6 is the stereogram turning to use brick representing described 1st embodiment.

Fig. 7 is the stereogram of the supporting brick representing described 1st embodiment.

Fig. 8 is the horizontal cross of the furnace bottom part representing described 1st embodiment.

Fig. 9 is the schematic diagram of the steering surface of the 2nd embodiment representing the present invention.

Figure 10 is the horizontal cross of the furnace bottom part representing described 2nd embodiment.

Figure 11 is the exploded perspective view of the brick packing structure of the 3rd embodiment representing the present invention.

Figure 12 is the stereogram of the upper side bearing brick representing described 3rd embodiment.

Figure 13 is the stereogram of the lower side bearing brick representing described 3rd embodiment.

Figure 14 is the stereogram turning to use brick representing described 3rd embodiment.

Figure 15 is the amplification view of the furnace bottom part of the 4th embodiment representing the present invention.

Figure 16 is the exploded perspective view of the brick packing structure representing described 4th embodiment.

Figure 17 is the stereogram of the pillar part representing described 4th embodiment.

Figure 18 is the stereogram turning to use brick representing described 4th embodiment.

Figure 19 is that the flow representing described 4th embodiment adjusts the stereogram of checker brick.

Figure 20 is the exploded perspective view of the brick packing structure of the 5th embodiment representing the present invention.

Figure 21 is the stereogram of the abutment representing described 5th embodiment.

Figure 22 is to represent that the present invention's turns to the stereogram by the variation of brick.

Figure 23 is the stereogram of the variation of the supporting brick representing the present invention.

Figure 24 is the stereogram of the variation of the supporting brick representing the present invention.

Figure 25 is to represent that the present invention's turns to the stereogram by the variation of brick.

Figure 26 is to represent that the present invention's turns to the stereogram by the variation of brick.

Figure 27 is to represent that the present invention's turns to the stereogram by the variation of brick.

Figure 28 is the exploded perspective view of the brick packing structure of the 6th embodiment representing the present invention.

Figure 29 is the overall sectional view of the 7th embodiment representing the present invention.

Figure 30 is the sectional view of the horizontal profile representing described 7th embodiment.

Detailed description of the invention

[the 1st embodiment]

Fig. 1～Fig. 8 represents the 1st embodiment of the present invention.

In Fig. 1, the hot-blast stove 1 of present embodiment is the external combustion stove with combustion chamber 2 and regenerator 3, each furnace roof portion It is interconnected by connecting tube 4.

Combustion chamber 2 has the furnace shell 20 of cylindrical shape.

Be provided with the burner 21 of heating in the bottom of the furnace shell 20 of combustion chamber 2, the bottom sides at furnace shell 20 is connected with combustion Gas supply pipe 22 and extraneous air supply pipe 23.In burner 21, make to supply pipe 23 from gas supply pipe 22 and extraneous air The combustion gas of supply and extraneous air mix combining combustion, thus produce the burning gases of high temperature.The burning gases stream of the high temperature producing Cross connecting tube 4 to supply to regenerator 3.

It in the side of the furnace shell 20 of combustion chamber 2, is connected above warm-air supply pipe 24 in burner 21.Warm-air supply pipe 24 air ports (not shown) being connected to blast furnace, flow through the inside of connecting tube 4 and combustion chamber 2 from regenerator 3 and the hot blast sent can To blast furnace supply.

Regenerator 3 has the furnace shell 30 of cylindrical shape.

Regenerator 3 furnace shell 30 be internally provided with the heat storage unit 31 multiple checker brick 5 piled up and constitutes.Below specifically Bright, checker brick 5, to make respective through hole upwards pile up in the way of lower surface continuously from the upper surface of heat storage unit 31, utilize this to lead to Hole, can carry out the ventilation from the furnace bottom of regenerator 3 to furnace roof.

The bottom of the furnace shell 30 of regenerator 3 is provided with the supporting structure 32 based on the invention, in order to support accumulation of heat Portion 31.Form the ventilation space 33 of cylindrical shape around supporting structure 32 and between furnace shell 30, and connect in the side of furnace shell 30 It is connected to the ventilation duct 34 connecting with ventilation space 33.

It as in figure 2 it is shown, supporting structure 32 is configured to, is paved with end brick 39 in the bottom surface of regenerator 3, and on it, piles up conduct The supporting brick 6 of support block, this supporting brick 6 support position thereon, turn to use based on turning to of the invention with block Brick 7 (being represented by the rectangle of blacking in fig. 2).

Supporting brick 6 uses brick 7 discussed in detail below with turning to, and turns to through hole and the ventilation space making above-mentioned checker brick 5 with brick 7 33 connections, and can mutually ventilate.

Supporting brick 6 and end brick 39 are by concavo-convex chimeric (for example, the lower surface by the protuberance of the upper surface of end brick 39 and supporting brick 6 Recess engaging), prevent it from producing displacement in the horizontal direction.

In the supporting structure 32 of present embodiment, turn to and turn to (deflecting) with brick 7 along virtual in V shape Face (turning point) S1, S2 arrange.And, supporting brick 6 by its upper surface along steering surface S1, S2 following side arrange in the way of to On pile up, thus support brick 6 and turn to brick 7 to make to turn to the mode being above-mentioned arrangement with brick 7 to support.

As it is shown on figure 3, steering surface S1, S2 of present embodiment are respectively the virtual plane of semi-circular shape, and formed mutually from base The inclined plane that fiducial axis line A rises to its both sides.The arbitrary diameter of the furnace bottom of datum axis A for example, regenerator 3.

Turning to brick 7 along above-mentioned steering surface S1, S2 arrangement, for example make to flow through heat storage unit 31 (flows through aforesaid The through hole of checker brick 5) the gas Gv of vertical direction turns at steering surface S1, the S2 being arranged in brick 7 turning to, in benchmark Axis A is crisscross and for the gas Gh of horizontal direction, is drawn by the ventilation space 33 (with reference to Fig. 2) around supporting structure 32 Lead.

Hereinafter the 5th, above-mentioned checker brick are supported brick 6 and turn to brick 7, and the supporting structure 32 being made up of these is said Bright.

Fig. 4 and Fig. 5 represents the checker brick 5 of present embodiment.

In Figure 5, checker brick 5 have the main body 50 forming refractory brick material cast form.

The base shape 5P of main body 50 is hexa-prism, and its upper surface 51 and lower surface 52 are formed as regular hexagon, and have by 6 sides 53 that above-mentioned upper surface 51 and lower surface 52 connect.

Main body 50 is formed the through hole 54 at upper surface 51 and lower surface 52 six limit tubulars of opening respectively.

It is formed with groove 55 in side 53, the shape that groove 55 is divided into 2 parts in above-mentioned through hole 54 and is formed.Two sides 53 The corner crossing is formed with groove 56, the shape that groove 56 is divided into 3 parts in above-mentioned through hole 54 and is formed.

In above-mentioned groove the 55th, 56, when piling up checker brick 5, dock between the side 53 of 2 main bodys 50, accordingly by 2 grooves 55 Form the space being equivalent to 1 through hole 54.In addition, by concentrating in together the corner of 3 main bodys 50, and by 3 groove 56 shapes Become to be equivalent to the space of 1 through hole 54.

Above-mentioned checker brick 5, in regenerator 3, form heat storage unit 31 by piling up in step-lap.

As shown in Figure 4, checker brick 5 are by piling up in step-lap, and by the configuration of each corner pile up in above and below The center of checker brick 5.And, by groove the 55th, 56 space being equivalent to through hole 54 being formed, with pile up in above and below The through hole 54 of checker brick 5 connects.

Accordingly, it in the heat storage unit 31 shown in Fig. 1 and Fig. 2, is formed at horizontal direction comprehensive distribution, by upper of heat storage unit 31 The path of the through ventilation to lower surface in surface such that it is able to make the gas Gv of the vertical direction shown in Fig. 2 with to greatest extent Circulation.

In addition, the checker brick 5 of heat storage unit 31 are not to pile up in step-lap yet, but funnel-shaped pile up (the 6th with reference to Figure 28 Embodiment).

Fig. 4 and Fig. 6 represents the supporting brick 6 of present embodiment.

In figure 6, support brick 6 and there is the main body 60 making refractory brick material cast form and being formed.

The base shape 6P of main body 60 is hexa-prism, excises a pair corner at diagonal angle and forms approximately parallelepiped body shape.Specifically Say, main body 60 has upper surface 61 and lower surface 62, also has the side 63 of the side surface being equivalent to base shape 6P and cuts The auxiliary side 64 being formed except diagonal angle part.

In addition, base shape 6P is same shape with the base shape 5P (with reference to Fig. 5) of checker brick 5, can be mutually combined and rank Ladder overlap joint is piled up.

Fig. 4 and Fig. 7 represents that turning to of present embodiment uses brick 7.

In the figure 7, turn to and there is with brick 7 main body 70 making refractory brick material cast form and being formed.

The base shape 7P of main body 70 is hexa-prism, identical with supporting brick 6 (with reference to Fig. 6), by a pair corner excision at diagonal angle And it is shaped generally as rectangular-shaped.Specifically, main body 70 has upper surface 71 and lower surface 72, also has and is equivalent to basis shape The auxiliary side 74 that the side 73 of the side surface of shape 7P has been formed with having excised diagonal angle part.

In addition, base shape 7P and the base shape 5P (with reference to Fig. 5) of the checker brick 5 and base shape 6P of supporting brick 6 is (with reference to figure 6) it is same shape, can be mutually combined and carry out step-lap and pile up.

And, turning to being formed from upper surface 71 until in the form of slot the turning to of side 73 and auxiliary side 74 on brick 7 Path 75.

Path 75 is turned to be formed multiple, flat with the side 73 (vertical with auxiliary side 74) being formed without assisting side 74 OK, and respectively turning to path 75 laterally to block upper surface 71, its two ends are at side 73 and auxiliary side 74 opening.

In addition, the connection edge between upper surface 71 and the side 73 being formed without auxiliary side 74 forms and turns to path 77, Turn to path 77 in the aforesaid shape turning to path 75 to be divided into 2 parts and being formed.

By connect 2 turn to brick 7 turn to path 77, formed with aforesaid turn to path 75 as channel-shaped.

Above-mentioned turning to path the 75th, 77, its bottom surface 76 is formed as chevron, is downwardly inclined from mediad two ends.

Above-mentioned turn to path the 75th, 77 as shown in Figure 4, when piling up in step-lap together with checker brick 5, the checker brick 5 on upper strata All through holes 54 by with turn to arbitrarily path the 75th, 77 connect in the way of configure.

Above-mentioned supporting brick 6 uses brick 7 with turning to, in the bottom of regenerator 3 on the basis of respective base shape 6P, 7P, By piling up in step-lap, form supporting structure 32.

And, at the supporting brick 6 piled up in step-lap as supporting structure 32 with turn to between brick 7, formed along and base The horizontal passageway 35 of the present invention that the vertical direction of fiducial axis line A extends.

Above-mentioned supporting structure 32 is constructed in the following manner.

In the diagram, the bottom surface in regenerator 3 arranges the orlop of supporting structure 32.In this orlop, along reference axis Line A arranges 1 or 2 turn to brick 7, and in its both sides, (reporting to the leadship after accomplishing a task direction with datum axis A) is sequentially arranged supporting brick 6.Supporting Brick 6 is arranged as follows: make not assist close contact between the side 63 of side 64, and is hanging down relative to datum axis A Arrange continuously on straight direction.

Such arrange turning in the row with brick 7 and supporting brick 6, the 64th, each auxiliary side 74 becomes row, with adjacent other The 64th, the auxiliary side of row forms interval between 74.It by this interval, is formed along the level that datum axis A vertical direction extends Path 35.

As the 2nd layer, on above-mentioned undermost supporting brick 6, from the position of datum axis A to direction of reporting to the leadship after accomplishing a task outside It has been sequentially arranged checker brick and the 5th, turned to brick 7 and supporting brick 6.

The checker brick 5 of the 2nd layer are arranged on undermost turning to and use on brick 7, form heat storage unit 31 as described above.

2nd layer turn to is configured in the outside of checker brick 5 by brick 7, is supported on undermost supporting brick 6.

The supporting brick 6 of the 2nd layer configures and is turning to the outside of brick 7, is supported on undermost supporting brick 6.

And, it on the 2nd layer, is configured with the 3rd layer in the same way, must join in the underface of the checker brick 5 on upper strata It is equipped with turning to brick 7 of lower floor.Now, turning to of all through holes 54 of the checker brick 5 on upper strata and lower floor turns to path with brick 7 75th, 77 connection, and by turn to path the 75th, 77 and and the turning to by the horizontal passageway 35 between brick 7 and supporting brick 6 even of lower floor Logical.

In addition, in the diagram, each horizontal passageway 35 at each layer marks arrow respectively, marks 1 in undermost horizontal passageway 35 The arrow of root line, marks the arrow of 2 lines in the horizontal passageway 35 of the 2nd layer, marks 3 lines in the horizontal passageway 35 of the 3rd layer Arrow.

As described above, in layers, sequentially arrange laterally from this datum axis location A to the both sides in perpendicular direction The 5th, checker brick turn to brick 7 and supporting brick 6, and respectively by being that step-lap is piled up to lower floor, and gradually form supporting structure 32 and the bottom of heat storage unit 31.

In such supporting structure 32, turn to brick 7 by be located upper strata and further away from datum axis A in the way of configure, The both sides of datum axis A are to configure in the way of steering surface S1, the S2 (with reference to Fig. 2 and Fig. 3) rising in V shape.

As shown in Figure 8, in the arbitrary layer with the supporting structure 32 of steering surface S1, S2 of V shape, brick is used turning to The horizontal passageway 35 being formed between 7 and between supporting brick 6 is along the direction arrangement reported to the leadship after accomplishing a task with datum axis A.

It at the region Rv along datum axis A, is provided with the checker brick 5 of the bottom constituting heat storage unit 31.At this region Rv, utilize The through hole 54 of checker brick 5, can make the gas Gv (with reference to Fig. 2 and Fig. 3) of vertical direction pass through.

It is provided with at the region Rt in the outside (away from datum axis A side) of region Rv and turn to brick 7.At this region Rt, come From the gas Gv of the through hole 54 of the checker brick 5 on upper strata via turn to path the 75th, 77 be directed in the face of auxiliary side 74 level Path 35, and form the gas Gh turning to as (deflecte) horizontal direction.

The region Rh in the outside of region Rt is provided with supporting brick 6.It at this region Rh, is formed at turning to of region Rt and uses brick The horizontal passageway 35 that horizontal passageway 35 between 7 continues between the auxiliary side 64 of supporting brick 6 connects.Between supporting brick 6 Horizontal passageway 35 is directed to the outside of supporting structure 32 with such state, the ventilation space 33 of the surrounding with supporting structure 32 And ventilation duct 34 connects.

Therefore, in the supporting structure 32 of present embodiment, the 75th, 77 lead can be made by turning to the path that turns to of brick 7 Nogata to gas Gv turn to, and be converted into the gas Gh of horizontal direction by horizontal passageway 35 and discharge and (or make it along inverse To flowing).

According to above-mentioned present embodiment, have the effect that.

Assembled in supporting structure 32 turns to on brick 7, the upper surface of main body 70 is provided with checker brick 5, makes checker brick 5 Through hole 54 and turn to path the 75th, connection between 77, hereby it is possible to the 75th, 77 make through hole 54 and horizontal passageway by turning to path 35 connections, and guarantee the circulation of hot blast each other.

Hereby it is possible to make the gas Gv of the vertical direction of the through hole 54 from checker brick 5 turn to, as horizontal direction Gas Gh deliver to ventilation space 33 and ventilation duct 34.

Alternatively, it is also possible to carry out rightabout ventilation, make the air from ventilation duct 34, flow into from horizontal passageway 35 and turn to use Brick 7, the 75th, 77 makes it turn to by turning to path, and sends to the through hole 54 of checker brick 5.

Therefore, it is possible to the use with present embodiment turns to the supporting structure 32 with brick 7 and supporting brick 6, replace prior art The bracket of checker brick.

In the present embodiment, can use as turn to block turning to brick the 7th, as support parts supporting brick 6, these bricks are carried out assembling and constitutes supporting structure 32.

Formed by the refractory brick for heat-resisting material here, turn to by the main body 70 of brick 7 and the main body 60 of supporting brick 6, and existing The bracket of steel compare, it is possible to increase heat resisting temperature.

Especially, refractory brick has actual effect as heat-resisting material, and easily (becomes as main body the 70th, 60 its shapes of imparting Describe easily), and manufacturing cost can be suppressed.

In addition, turn to brick 7 and supporting brick 6 when being assembled into supporting structure 32, main body 70 can be supported checker brick 5, And can be turned to brick 7 or other supporting brick 6 by main body 60 supporting such that it is able to make that each main body born is not bending Load, but compressive load.

Therefore, in using the supporting structure 32 turning to brick 7 and supporting brick 6, even if under the high temperature when practical operation operation, Also it is able to maintain that the intensity of abundance, compared with the bracket of the prior art with the beam using steel, temperature conditions can be relaxed.

And, turning to in brick 7 in present embodiment, can make to be formed in main body 70 turn to path the 75th, 77 with The through hole 54 of checker brick 5 connects, thereby, it is possible to guarantee to ventilate between all through holes 54 of checker brick 5.

Therefore, turning in the supporting structure 32 with brick 7 in use present embodiment, can effectively utilize all of checker brick 5 Through hole 54, will not be as the bracket of prior art, and a part for the through hole 54 of checker brick 5 is blocked by beam, it is possible to improve The utilization ratio of through hole 54.

As described above, in the present embodiment, by using will turn to brick 7 and supporting brick 6 based on the invention The supporting structure 32 assembling, can eliminate the limit of the temperature conditions being caused by the supporting structure of the checker brick 5 of hot-blast stove 1 System, and the utilization ratio of through hole can be improved.

In the present embodiment, the upper surface 71 by the main body 70 of brick 7 is being turned to form channel-shaped portion so that it is one end is in main body The side 73 of 70 or auxiliary side 74 opening, and formed and turn to path the 75th, 77.

Turn to path the 75th, 77 by above-mentioned, it can be ensured that the through hole 54 of checker brick 5 and the side 73 of main body 70 or auxiliary side 74 connections, and, turn to path the 75th, 77 to form channel-shaped in main body 70, therefore, when main body 70 is the cast form parts such as brick When, integrally formed can turn to path the 75th, 77 when shaping.Even if in addition, be not parts that can be integrally formed when shaping, Due to turn to path the 75th, 77 be channel-shaped, also easily carry out aft-loaded airfoil.

In the present embodiment, by turn to path the 75th, 77 the inclination of bottom surface 76, can make from checker brick 5 is logical The gas Gv of the vertical direction in hole 54 turns to, and as the gas Gh of horizontal direction in the face of the side 73 or auxiliary of main body 70 The horizontal passageway 35 helping side 74 guides.In addition, from horizontal passageway 35 via reverse the leading to turning to path the 75th, 77 to through hole 54 Gas also can guide in the same way.It is accordingly possible to ensure turn to block as the ventilation turning to path and turning function.

And, by the inclination of bottom surface 76, make as turn to path the 75th, 77 flow path area towards side 73 or auxiliary side 74 Enlarged open, even if when the ventilation from multiple through holes 54 converges, it is also possible to suppression turns to the increase of the flow velocity in path, Suppress the resistance producing in Min..

In addition, the side 73 turning to path the 75th, 77 both sides in main body 70 of present embodiment or auxiliary side 74 opening, Further, formation has the bottom surface 76 that the higher chevron of central authorities tilts, and therefore, is accepted from grid by upper surface 71 side of main body 70 The 75th, the gas Gv of the vertical direction of the through hole 54 of brick 5, by turning to path 77 by the level of the both sides to main body 70 for this gas Gv Path 35 distributes, and the gas Gh as horizontal direction guides.In addition, on the contrary, can make to the both sides of main body 70 The air of horizontal passageway 35 supply is turning to path the 75th, 77 interflow, and via the upper surface 71 of main body 70, leading to checker brick 5 Hole 54 guides.

In the present embodiment, the 5th, checker brick support brick 6 and to turn to base shape 5P, 6P, 7P of brick 7 be general (phase Hexagon shape together), therefore, it is possible to be mutually combined them, and carry out step-lap and piles up.

In addition, at supporting brick 6 with turn to in brick 7, the main body of hexa-prism the 60th, 70 diagonal position cut and form auxiliary Side the 64th, 74, therefore, it is possible to using general base shape 6P, while 7P, by auxiliary side the 64th, 74 formation level Path 35.

In the present embodiment, when supporting brick 6 and turning to the side using brick 7 to form horizontal passageway 35, by hexa-prism Main body the 60th, 70 diagonal position the 61st, 71 the 62nd, 72 excise continuously to lower surface from upper surface, accordingly formed auxiliary side the 64th, 74.By such from upper surface the 61st, 71 to lower surface the 62nd, 72 otch in sequential like, simple shape can be made, and easily make Make.

In the supporting structure 32 of present embodiment, formed from the datum axis A that the bottom surface of regenerator 3 is traversed to both sides Steering surface S1, S2 of the inclined V shape extending up.Then, it is arranged at such steering surface S1, S2 in V shape Turn to brick 7, hereby it is possible to by turning to path the 75th, 77, make to be supported on the through hole turning to the checker brick 5 with the upper surface of brick 7 54 with from turn to brick 7 be communicated to support brick 6 horizontal passageway 35 connect.

Now, owing to steering surface S1, S2 are to tilt, thus, the specific region in the flat shape of the inside of regenerator 3 (be provided with and turn to the region Rt of brick 7) ventilation space 33 around the furnace bottom of steering surface S1, S2 and regenerator 3 is at height Specific region on direction is corresponding, distributes to the through hole 54 of the checker brick 5 in the face of region Rt in each layer of supporting structure 32 With its highly corresponding horizontal passageway 35, hereby it is possible to suitably adjust assignment of traffic everywhere.

In addition, steering surface S1, S2 are formed as the V shape being made up of 2 inclined planes in opposite directions, accordingly, be arranged in Steering surface S1, S2 turn to brick 7 with identical towards regularly arranged.And, horizontal passageway 35 is respectively at the two of datum axis A Side rule on the direction reported to the leadship after accomplishing a task with datum axis A extends.Accordingly, horizontal passageway 35 is parallel to each other, and can easily carry out propping up The design that is arranged of the horizontal passageway 35 of bearing structure 32.

[the 2nd embodiment]

Fig. 9 and Figure 10 represents the 2nd embodiment of the present invention.

In the above-described first embodiment, set steering surface S1, S2 of V shape, but use substantially round in the present embodiment The steering surface S3 of cone-shaped.

In addition, present embodiment is compared with the 1st above-mentioned embodiment, the shape of steering surface S3 is different, is accompanied by this, supporting knot Structure 32 turn to the difference that is arranged the 7th, supporting brick 6 and checker brick 5 with brick.But, in the present embodiment, hot-blast stove 1 The structure of structure, heat storage unit 31 and supporting structure 32, turn to the structure the 7th, supporting brick 6 and checker brick 5 with brick, with the above-mentioned the 1st Embodiment is identical.

Therefore, in the following description, only the part different from the 1st above-mentioned embodiment is illustrated.

As it is shown in figure 9, the falling as summit of bottom center that the steering surface S3 of present embodiment is the furnace shell 30 with regenerator 3 Cone shape virtual face.

In the supporting structure 32 of present embodiment, turn to and be arranged along the steering surface S3 in roughly conical shape with brick 7.Come Turning to brick 7 owing to turning to from the gas Gv of the vertical direction of heat storage unit 31, the gas Gh as horizontal direction is sent.

In the supporting structure 32 of present embodiment, horizontal passageway 35 radially configures from the center of steering surface S3.By this Horizontal passageway 35, the gas Gh of the horizontal direction carrying out low damage brick 7 is radially sent from the center of steering surface S3.

In the present embodiment, as the steering surface S3 in roughly conical shape, for example, turn to and the 7th, support brick 6 and lattice with brick Sub-brick 5 uses base shape 7P, 6P, 5P in the case of be identical hexa-prism part, it is preferred to use with these base shape institutes The corresponding hexagonal pyramid shape of corresponding hexagon or the steering surface S3 of Rhizoma Sparganii taper.

As shown in Figure 10, it is configured to: at the arbitrary layer of supporting structure 32, constitute under heat storage unit 31 in central portion configuration The checker brick 5 in portion, configuration around this checker brick 5 turns to brick 7, turns to configuration supporting brick 6 around with brick 7 at this.

In such an embodiment, configuration turns to and is preferably hexa-prism with the steering surface S3 of brick 7.In addition, as horizontal passageway 35, preferably from configuration turn to hexagonal each limit of brick 7 towards with its direction of reporting to the leadship after accomplishing a task outside horizontal passageway 35.

By such present embodiment, it is also possible to obtain the effect identical with the 1st above-mentioned embodiment.

[the 3rd embodiment]

Figure 11～Figure 14 represents the 3rd embodiment of the present invention.

In the above-described first embodiment, make checker brick the 5th, support brick 6 and turn to the respective base shape 5P of brick 7,6P, 7P is general hexa-prism, and forms the structure being suitable for piling up in step-lap.

On the other hand, in the present embodiment, use supporting brick 6A, 6B and turn to brick 7A realization composition supporting structure 32A's The simplification of parts, generalization.

In fig. 12, support brick 6A and there is main body 60A being formed refractory brick by cast form, the upper table of main body 60A Face 61A and lower surface 62A is rectangle, and a pair side 63A is trapezoidal for narrow downwards, and another pair side 64A is for tilting Rectangle.

Here, consider lap, and make the base shape at above-mentioned checker brick 5 for the width of the minor face of upper surface 61A More than the length on hexagonal one side of 5P.In addition, the height of main body 60A is identical with the height of above-mentioned checker brick 5.

Therefore, support brick 6A to combine with above-mentioned checker brick 5 and pile up.

In fig. 13, support brick 6B and there is the main body 60B～side 64B as aforesaid supporting brick 6A.But, above-mentioned Main body 60B～side 64B contrary up and down with the main body 60A～side 64A of above-mentioned supporting brick 6A.Therefore, by turning around Use supporting brick 6A, can be as supporting brick 6B.

In fig. 14, turn to, with brick 7A, there is main body 70A～side 74A.Above-mentioned main body 70A～side 74A with above-mentioned The main body 60A～side 64A of supporting brick 6A identical.

And, turning to on brick 7A, turning to path 75A, 77A in what upper surface 71A formed channel-shaped, and turn to path 75A, The two ends of 77A are at side 74A opening.Above-mentioned turn to path 75A, 77A and the 1st above-mentioned embodiment turn to path the 75th, 77 is same, and bottom surface 76A forms the chevron tilting to both sides.

As shown in figure 11, the bottom in regenerator 3 (with reference to Fig. 2) is sequentially piled up above-mentioned supporting brick 6A, 6B and turns to use Brick 7A, accordingly, forms supporting structure 32A.

In the present embodiment, also identical with the 1st above-mentioned embodiment, along virtual steering surface S1, the S2 in V shape (with reference to Fig. 3) configuration turns to uses brick 7A.

Here, in the above-described first embodiment, the 6th, supporting brick is turned to and piled up in step-lap by brick 7 and checker brick 5 Forming supporting structure 32, the part being positioned above of the heat storage unit 31 also step-lap for checker brick 5 is piled up.

On the other hand, in the present embodiment, the part being positioned at more than the layer all being formed by checker brick 5 of heat storage unit 31 is rank Ladder overlap joint is piled up, but supporting structure 32A and the checker brick 5 (bottom of heat storage unit 31) with layer are formed as funnel-shaped and pile up, thus Formation step-lap is piled up and is piled up combined mixing (hybrid) packing structure with funnel-shaped.

Pile up in addition, the part being positioned at more than the layer all being formed by checker brick 5 of heat storage unit 31 is not step-lap yet, and It is funnel-shaped piling up.

In fig. 11, the bottom surface in regenerator 3 is arranged has supporting brick 6B, as the orlop of supporting structure 32A.? Hold the direction that is arranged of brick 6B for the direction vertical with datum axis A.Between the supporting brick 6B of each row, it is ensured that regulation away from From.

As the 2nd layer, in the region close to datum axis A, be provided with to turn to and use brick 7A on supporting brick 6B, outside it in It is provided with supporting brick 6A on supporting brick 6B.

It as the 3rd layer, is provided with checker brick 5 turning on brick 7A, on supporting brick 6A, be provided with supporting brick 6B.

It as the 4th layer, on checker brick 5, checker brick 5 (funnel-shaped pile up) have been arranged concentrically.In addition, adjacent with checker brick 5 Region be provided with to turn to and use brick 7A on supporting brick 6B, be provided with on supporting brick 6B outside it and support brick 6A.

Such setting is repeated afterwards, thus makes the region of checker brick 5 of the part close to datum axis A outside two Side extends, and after holostrome is by checker brick 5 formation, switches to the step-lap of checker brick 5 to pile up, forms heat storage unit 31.

In the above-mentioned supporting structure 32A constructing, pile up the part of overlap at supporting brick 6A, 6B and be positioned at supporting brick Turning on 6B piles up overlapping part with brick 7A, is formed by the space folded by the side 64A tilting respectively, and this space is formed And horizontal passageway 35A towards outside vertical with datum axis A along the row of supporting brick 6A, 6B.

It in heat storage unit 31, no matter is the part that step-lap is piled up, or the funnel-shaped part piled up, leading to of checker brick 5 Hole 54 connects mutually.And, the through hole 54 of the checker brick 5 of bottom is connected by turn to path 75A, 77A of brick 7A with turning to, And connect from the opening of side 74A with horizontal passageway 35A.

Therefore, in the present embodiment, identical with the 1st above-mentioned embodiment, from the vertical direction of heat storage unit 31 Gas Gv (with reference to Fig. 3), turns to brick 7A owing to turning to, and the gas Gh (with reference to Fig. 3) as horizontal direction is led to level Road 35A guides.

As described above, by the supporting structure 32A of present embodiment, the effect identical with the 1st above-mentioned embodiment can be obtained Really.

In addition, in the present embodiment, use supporting brick 6A, 6B and turn to the parts using brick 7A as supporting structure 32A, They are respectively simple shape.

In addition, supporting brick 6B can be simultaneously used for supporting the supporting of brick 6A and turn to the supporting using brick 7A, and supporting brick 6B is to prop up Hold falling of brick 6A and use parts, substantially only need to prepare supporting brick 6A and turn to by brick 7A both, thus enabling that construction Simplify, and reduce manufacturing cost.

[the 4th embodiment]

Figure 15～Figure 19 represents the 4th embodiment of the present invention.

In the 1st above-mentioned embodiment and the 3rd embodiment, use steering surface S1, S2 of V shape, in the 2nd embodiment Use the steering surface S3 in substantially coniform (pyramid-shaped).On the other hand, the steering surface S4 of level is used in the present embodiment.

In addition, in above-mentioned the 1st embodiment to the 3rd embodiment, use supporting brick the 6th, 6A, 6B as support respectively Part.On the other hand, in the present embodiment, use pillar 8 as supporting parts.

In fig .15, the bottom at the furnace shell 30 of regenerator 3 arranges supporting structure 32C, by this supporting structure 32C supporting The heat storage unit 31 being formed by checker brick 5.

As shown in figure 16, supporting structure 32C has the pillar 8 of the bottom surface being arranged on regenerator 3 and the upper end being supported in pillar 8 Turn to and use brick 7C, turn to brick 7C along the steering surface S4 configuration of level.

Form gap between pillar 8, by the cylinder between the gap of above-mentioned pillar 8 and supporting structure 32C and furnace shell 30 The space of shape, forms the bigger joining space 33C of the following side being positioned at steering surface S4.

It is connected with the ventilation duct 34 connecting with joining space 33C in the side of furnace shell 30.

Pillar 8 is linked together and constituted by the pillar part 80 of multiple cylindrical shapes.

As shown in figure 17, pillar part 80 has upper surface 81 and the lower surface 82 of circle, and it also has the side face 83 of cylindrical shape. Pillar part 80 is formed by the ceramic material with superior heat resistance.

As shown in figure 18, turn to, with brick 7C, there is trapezoidal main body 70C of inverted cone.

Main body 70C has upper surface 71C and lower surface 72C, the side 74C in taper seat of circle.Lower surface 72C with above-mentioned The upper surface 81 of pillar part 80 is same shape, can be connected with the upper end of pillar 8.

Turn to path 75C, 77C turning to be formed with the channel-shaped being positioned at upper surface 71C on brick 7C, and turn to path 75C, The two ends of 77C are at side 74C opening.Above-mentioned turn to path 75C, 77C and the 1st above-mentioned embodiment turn to path the 75th, 77 is same, and bottom surface 76A is formed as the chevron tilting to both sides.

Referring again to Figure 16, above-mentioned turning to is supported by pillar 8 by brick 7C, constitutes supporting structure 32C.Turning to brick 7C's After upper surface arranges checker brick 5, the through hole 54 of checker brick 5 connects with turning to path 75C, 77C, the opening of side 74C and interflow Space 33C connects.

Therefore, by the supporting structure 32C of present embodiment, can from the through hole 54 of the checker brick 5 of heat storage unit 31, via with this What through hole 54 connected turns to path 75C, 77C, ventilates between ventilation duct 34 at joining space 33C.

In the present embodiment, checker brick 5 are the parts (with reference to Fig. 5) identical with the 1st above-mentioned embodiment, are only As the undermost part of heat storage unit 31 stacking, namely by turning to the part directly accepted by brick 7C, shown in Figure 19 Flow adjusts checker brick 5C.

It is substantially identical with the structure of the checker brick 5 being illustrated in Figure 5 that flow adjusts checker brick 5C.But, through hole 54 is cross section The different multiple species of area.

At Figure 19, through hole 54A is the size identical with the checker brick 5 being illustrated in Figure 5.Through hole 54B is formed as, its cross section Through hole 54A is little for area ratio.Through hole 54C is formed as, and area of section is also less than through hole 54B.

Adjust checker brick 5C by using above-mentioned flow, even if the through hole 54 of the checker brick piled up up 5 is equivalently-sized, also Can make air flow collection (throttles) at end portion.

For example, when turning to the flow resistance of path 75C, 77C respectively different with through hole 54 continuous print, can produce as follows not Equilibrium appearance: the flow of the less through hole of flow resistance 54 (from the lower end of heat storage unit 31 to upper end) is relatively big, and flow resistance is bigger Through hole 54 flow less.

On the other hand, use flow to adjust checker brick 5C, according to by turning to the flow resistance causing with brick 7C etc., distinguish to use and lead to Hole 54A～54C, can make the flow of each through hole 54 obtain balance.

[the 5th embodiment]

Figure 20～Figure 21 represents the 5th embodiment of the present invention.

In present embodiment, in addition to a part is different, other the structure with the 4th above-mentioned embodiment is identical.Therefore, right Identical structure uses identical reference, and the repetitive description thereof will be omitted, illustrates difference below.

In the above-described 4th embodiment, pillar 8 is connected and composed by cylindric pillar part 80.

In the present embodiment, cylindric pillar part 80 is connected and composed pillar 8, but as shown in figure 21, in each column sections Pad (spacer) parts 84 are installed between part 80.

In fig. 22, gasket part 84 has the base portion 85 with pillar part 80 same diameter, being formed around of base portion 85 The jut 86 of prism-shaped.

Jut 86 is corresponding with the checker brick 5 of the hexa-prism using in the present embodiment, from base portion 85 to 6 direction shapes Become.

In fig. 20, gasket part 84 is when being clamped by pillar part 80, and its base portion 85 is continuous with pillar part 80, and Its jut 86 is prominent to 6 directions.

And, the pillar 8 being connected by gasket part 84 and pillar part 80 and being formed, when being arranged at the bottom surface of regenerator 3, pads The jut 86 of chip part 84 docks with the jut 86 of adjacent pillar 8.

By above-mentioned structure, the tendency even if any one pillar 8 falls down, it is also possible to by being mutually butted of pillar 8 Jut 86 mutually support.Therefore, it is possible to improve the intensity of pillar 8, improve the intensity as supporting structure 32C.

In addition, prominent to joining space 33C by jut 86, the gas flowing through joining space 33C can be made to produce turbulent flow.

(variation)

Deformation etc. in addition, the invention is not limited in above-mentioned embodiment, in the range of the purpose of attainable cost invention It is also contained in the present invention.

For example, turning to brick 7 and supporting in brick 6 at the 1st embodiment, in order to form horizontal passageway 35, by hexa-prism The corner in opposite directions of base shape 7P, 6P is excised from top to bottom, and forms auxiliary side the 74th, 64, in fact also can make in order to The part forming horizontal passageway 35 and excising is only a part for short transverse.

In fig. 22, it is being positioned at a pair corner turning to the diagonal angle of brick 7, by be connected with upper surface 71 and lower surface 72 Clipped corner, and form auxiliary side 74.But, the mid portion in this corner is so that the state converged of 2 sides 73 is remaining.

Turn to brick 7 by above-mentioned, it is also possible to by the face of assisting the otch of side 74 to form horizontal passageway 35 (reference up and down Fig. 4).

In fig 23, a pair corner at the diagonal angle being positioned at supporting brick 6, excision is connected with upper surface 61 and lower surface 62 Angle, and form auxiliary side 64.But, the mid portion in this corner is so that the state converged of 2 sides 63 is remaining.

By above-mentioned supporting brick 6, it is also possible to by the face of assisting the otch of side 64 to form horizontal passageway 35 (with reference to figure up and down 4)。

In fig. 24, the corner be positioned at the diagonal angle supporting brick 6 a pair, only excision mid portion, and form secondary side Face 64.But, the part being connected with upper surface 61 and lower surface 62 in this corner is so that the state converged of 2 sides 63 is remaining.

By above-mentioned supporting brick 6, it is also possible to by forming horizontal passageway 35 (reference in the face of the otch of middle auxiliary side 64 Fig. 4).

In above-mentioned each embodiment, turn to path the 75th, the 77th, the bottom surface of 75A, 77A, 75C, 77C the 76th, 76C for making gas Body is to the mode of both sides flowing (bottom surface chevron).But, turn to the bottom surface of path to be not limited to chevron and make gas to both sides Flowing, it is possible to so that gas flows to side.

In fig. 25, turn to, with brick 7, there is the structure as the 1st above-mentioned embodiment, channel-shaped turn to path the 75th, In the end of 77, the end of only one side is at side 73 or auxiliary side 74 opening.

And, turn to path the 75th, 77 bottom surface 76 never in the side, end of side 73 or auxiliary side 74 opening in side Face 73 or the lopsidedness of auxiliary side 74 opening.

Turn to in brick 7 above-mentioned, make to pile up in upper surface 71 checker brick 5 through hole 54 only with unilateral horizontal passageway 35 (with reference to Fig. 4) connection.But, by turning to the alternately inverted setting of brick 7 by adjacent, level that can alternately with opposition side Path 35 connects, and it is possible to realize overall balance.

And, turn to path 77 to be the 75th, the shape that makes gas flow to one side, therefore, it is possible to easily shape.

Turning to in brick 7 at Figure 25, making to turn to path the 75th, 77 to be all and make gas flow to one side in the same direction Shape, make gas to one side mobile turn to path the 75th, 77 towards also can alternately changing.

In fig. 26, turn to brick 7 have with Figure 25 turn to by the structure as brick 7, but turn to path the 75th, 77 alternately in phase The side 73 tossed about or auxiliary side 74 opening.

Turning to in brick 7 above-mentioned, gas turns to path the 75th, 77 to be easily formed to one side is mobile, and, one turns to With in brick 7, the connection with through hole 54 can be separated to both sides, the balance of ventilation can be obtained.

In above-mentioned each embodiment, make to turn to path the 75th, 77 to be formed as, in length range, the channel-shaped opened wide to upside, Also can be in fact: a part to whole upper surfaces is capped.

In figure 27, turn to and with brick 7 there is the structure as the 1st above-mentioned embodiment, but turn to path the 75th, 77 remaining to have The edge that upper surface 71 converges with, side 73 or auxiliary side 74, in this part, turns to path the 75th, 77 to be formed as tubulose.

In the structure of Figure 27, turn to path the 75th, 77 be straight tube-like, it may be thus possible, for example, to enter along bottom surface 76 from both direction Row perforate processing and formed and turn to path the 75th, 77.

On the other hand, it is also possible to by carrying out horizontal perforate processing from side 73 or auxiliary side 74, with connect with this hole Mode proceeds by perforate processing from upper surface 71, and form L word tubulose turns to path the 75th, 77.

So, path the 75th, 77 build canals structure or tunnel-like, straight tube-like or the L-type tunnel being not limited to groove bar is turned to Road.

And, it in the respective embodiments described above, is formed through adjacent turning to and is formed turn to path with the joint between brick 7 2 segmented shape of 75 turn to path 77, but the configuration of the through hole 54 according to checker brick 5, it is possible to only formed and turn to path 75.

In above-mentioned 1st～the 3rd embodiment, make to turn to and with brick the 7th, 7A and supporting brick 6 respective base shape 7P, 6P be It with the hexa-prism as checker brick 5, but is not limited to this or other shapes such as rectangular-shaped.

In above-mentioned 4th～the 5th embodiment, turning to of being supported by pillar 8 is joined along the steering surface S4 of level by brick 7C Put, but also can be along steering surface S1, S2 configuration in V shape as the 1st embodiment, it is possible to along as the 2nd embodiment In coniform or pyramid-shaped steering surface S3 configuration.In this case, the length of pillar 8 is preferably capable of with checker brick 5 Or turn to the mode with the height unit increase and decrease of brick 7C to constitute.

In described 4th～the 5th embodiment, pillar 8 is to connect columnar pillar part 80 and formed, but pillar part 80 also can be prism-shaped.In addition, pillar 8 is not limited to connect pillar part 80, it is also possible to by a series of connection member Formed.

In the respective embodiments described above, use turns to and uses block with brick the 7th, 7A, 7C as turning to, use supporting brick the 6th, 6A, 6B, as support block, uses heat resistance ceramic material as pillar 8.But, these materials, it is not limited to refractory brick or heat-resisting Property ceramic material, it is also possible to be other inorganic material with heat resistance.

And, it is not limited to nonmetallic materials, if heat resistance (softening temperature is higher, and fusion temperature is higher) and oxytolerant can be had Change property (be blown into oxygen be high concentration when), then also can make cylinder iron wait metal material.

In the respective embodiments described above, checker brick 5 are 19 holes (through hole 54 of each checker brick is 19), but checker brick are also It can be other the structure such as 9 holes or 37 holes.And, checker brick are not limited to plane hexagon shape, it is also possible to be cube, length Other the shapes such as cube, eight prism-shaped.Use such there are difform checker brick when, it is possible to change and turn to and uses brick 7 and the supporting corresponding shape of brick 6, the quantity of groove and ventilation path and position, as long as being able to ensure that based on turning to of the present invention logical Road.

[the 6th embodiment]

Figure 28 represents the 6th embodiment of the present invention.

In above-mentioned the 1st embodiment (with reference to Fig. 4) and the 3rd embodiment (with reference to Figure 11), by turning to, use brick the 7th, 7A's is upper The lower surface of surface and checker brick 5 is that step-lap is piled up.It is to say, the checker brick 5 on upper strata are to use brick across multiple turning to 7th, the mode on 7A is piled up.

In such a configuration, longitudinal puzzle joint of the brick of each layer is mutually continuous up and down, and the brick for example on upper strata Lower surface, the part that the puzzle joint in lower floor exposes, it is impossible to enough carry out the load transmission between upper and lower brick.And, upper and lower brick it Between reduce for the contact area of load transmission, and bear load with narrow and small contact surface, it is likely that the pressure of contact surface can be caused Contracting load increases.

Especially, in the part close to furnace bottom, owing to bear the load of all bricks piled up up, therefore load is huge, meeting Cause turning to by the compressive strength deficiency of both brick the 7th, 7A and checker brick 5.

On the other hand, in the 6th embodiment shown in Figure 28, in the checker brick 5 of heat storage unit 31, orlop 2 layers is grid Brick 5E.And, checker brick 5E and immediately below it to turn to brick 7A be funnel-shaped piling up, say, that the checker brick 5E of 1 with The state being placed in 1 upper surface turning to brick 7A is piled up.

Checker brick 5E is not that flat shape is hexagon as checker brick 5, but with Fig. 6 supporting brick 6 and Fig. 7 turn to use Brick 7 is same, excises hexagonal a pair corner in opposite directions and forms rectangular-shaped, in cut portion for substantially of flat shape Divide and form auxiliary side 53E.

On the other hand, as shown in figure 14, turning to by the flat shape (plan view shape) of the upper surface 71A of brick 7A is rectangle. Therefore, can make with the upper surface 71A of brick 7A that the lower surface of checker brick 5E is overall to be overlapped with it turning to.

Therefore, as shown in figure 28, checker brick 5E can be piled up for upper and lower the funnel-shaped of overlap by brick 7A with turning to.

In the present embodiment, by making checker brick 5E and to turn to brick 7A be funnel-shaped piling up, at respective lower surface And upper surface, there is not the part exposed in puzzle joint, it is possible to guarantee fully to bear the contact area of compressive load.Cause This, can eliminate checker brick 5E and turn to the problem not enough by the compressive strength of brick 7A.

In addition, in the present embodiment, hexagonal checker brick 5 of piling up above checker brick 5E, also with checker brick 5E and turning to same between brick 7A, uses funnel-shaped piling up.

But it is also possible on the basis of making checker brick 5E and turning to be piled up by brick 7A is funnel-shaped, make checker brick 5E and its above Checker brick 5 pile up in step-lap.

[the 7th embodiment]

Figure 29 and Figure 30 represents the 7th embodiment of the present invention.

It in above-mentioned each embodiment, is the example that the hot-blast stove (with reference to Fig. 1) at external-burning is suitable for the present invention respectively, but In present embodiment, apply to the hot-blast stove 1F of internal combustion type.

In Figure 29, hot-blast stove 1F has the furnace shell 90 of cylindrical shape.

In the inside of furnace shell 90, partition wall 91 is divided into combustion chamber 2F and regenerator 3F.The top of furnace shell 90 is covered by cover 92 Lid.Via the inside of cover 92, the top of combustion chamber 2F and the top of regenerator 3F are interconnected.

Also as shown in figure 30, partition wall 91 is formed as cylinder planar, and two ora terminalis are bonded in furnace shell 90 in gapless mode Surface.

The inside of combustion chamber 2F is cavity, but is formed with refractory brick on the inner surface of combustion chamber 2F faced by furnace shell 90 and adds portion 93。

Use supporting brick 6 in the inside of regenerator 3F in furnace bottom and turn to brick 7, forming supporting structure 32 and (may also be Supporting structure 32A, the 32C stating), it is supported with the heat storage unit 31 that checker brick 5 are piled up overlap.Supporting structure 32 with Its datum axis A mode vertical with the central portion of partition wall 91 configures.

Around supporting structure 32, between furnace shell 90, form the ventilation space 33 of cylindrical shape, in the side of furnace shell 90 even It is connected to the ventilation duct 34 connecting with ventilation space 33.The ventilation space 33 of present embodiment be not all-round continuously, one part quilt Partition wall 91 blocks.

Returning Figure 29, being provided with the burner 21 of heating in the bottom of combustion chamber 2F, the bottom sides at furnace shell 90 connects It is connected to gas supply pipe 22 and extraneous air supply pipe 23, be connected with, in the side of furnace shell 90, the hot blast being positioned above burner 21 Supply pipe 24.

Above-mentioned burner 21 to warm-air supply pipe 24 is identical with the 1st above-mentioned embodiment respectively, thus, is produced by burner 21 The burning gases of raw high temperature are supplied and accumulation of heat to regenerator 3F by the inside of cover 92.In addition, can be by regenerator 3F Heated hot blast is sent to combustion chamber 2F by the inside of cover 92, supplies from warm-air supply pipe 24 to blast furnace.

In above-mentioned present embodiment, by using supporting brick 6 and turning to the supporting structure 32 of brick 7 composition with by lattice The heat storage unit 31 of overlap piled up by sub-brick 5, can obtain the effect identical with the 1st above-mentioned embodiment, each embodiment party Deformation as illustrating in formula also can be suitable in the present embodiment.

The possibility industrially applied

The present invention can be at the supporting structure of the checker brick of supporting hot wind furnace with use the turning to on block of this supporting structure Utilize.

[description of reference numerals]

1 ... hot-blast stove

2nd, 2F ... combustion chamber

20 ... furnace shell

21 ... burner

22 ... gas supply pipe

23 ... extraneous air supply pipe

24 ... warm-air supply pipe

3rd, 3F ... regenerator

30 ... furnace shell

31 ... heat storage unit

32nd, 32A, 32C ... supporting structure

33 ... ventilation space

33C ... joining space

34 ... ventilation duct

35th, 35A ... horizontal passageway

39 ... end brick

4 ... connecting tube

5th, 5E ... checker brick

50 ... main body

51 ... upper surface

52 ... lower surface

53 ... side

54th, 54A, 54B, 54C ... through hole

55th, 56 ... become the groove of through hole

5C ... flow adjusts checker brick

5P, 6P, 7P ... the base shape of hexa-prism

6th, 6A, 6B ... supporting brick

60th, 60A, 60B ... main body

61st, 61A ... upper surface

62nd, 62A ... lower surface

63rd, 63A ... side

64 ... auxiliary side

64A, 64B ... side

7th, 7A, 7C ... turn to and use brick

70th, 70A, 70C ... main body

71st, 71A, 71C ... upper surface

72nd, 72C ... lower surface

73 ... side

74 ... auxiliary side

74A, 74C ... side

75th, 75A, 75C, 77 ... turn to path

76th, 76A ... bottom surface

8 ... pillar

80 ... pillar part

81 ... upper surface

82 ... lower surface

83 ... side face

84 ... gasket part

85 ... base portion

86 ... jut

90 ... furnace shell

91 ... partition wall

92 ... cover

93 ... refractory brick adds portion

A ... datum axis

Gh ... the gas of horizontal direction

Gv ... the gas of vertical direction

Rh ... the region of checker brick 5

Rt ... turn to the region of brick

Rv ... the region of supporting brick

S1, S2, S3, S4 ... steering surface

Claims (18)

1. turn to and use a block, the supporting structure of its checker brick at supporting hot wind furnace uses, it is characterised in that have:

Main body, it is formed by heat-resisting material；With

Turning to path, it connects with the through hole of described checker brick, and at the lateral opening of described main body.

2. according to claim 1 turning to uses block, it is characterised in that

Described main body is formed by refractory brick.

3. according to claim 1 and 2 turning to uses block, it is characterised in that

The described upper surface turning to path to be formed at described main body, in the form of slot.

4. according to claim 3 turning to uses block, it is characterised in that

Described turning to path to be formed as, its bottom surface is with from the side being partially toward described main body connecting with the through hole of described checker brick The mode of the opening step-down in face tilts.

5. turning to according to claim 3 or 4 uses block, it is characterised in that

Described turning to path part therebetween to connect with the through hole of described checker brick, and its two ends are in the side of described main body Opening.

6. turning to according to claim 3 or 4 uses block, it is characterised in that

Described turn to path be arranged in parallel arrange multiple, and adjacent described in turn to path mutually in the opposition side of described main body Opening.

7. turning to according to claim 3 or 4 uses block, it is characterised in that

Described turn to path to be arranged in parallel to arrange multiple, described turn to path all to open in the side of the same side of described main body Mouthful.

8. turning to according to any one in claim 1～7 uses block, it is characterised in that

The diagonal position of the brick material at hexa-prism for the described main body forms otch, and it is logical to form level by described cut out portion Road.

9. according to claim 8 turning to uses block, it is characterised in that

Described otch is formed continuously from the upper surface of described main body to lower surface.

10. according to claim 8 turning to uses block, it is characterised in that

Described otch is only formed at the part between the upper and lower surface of described main body.

11. 1 kinds of supporting structures, the checker brick of supporting hot wind furnace, it is characterised in that have:

Support turning to described in any one in the claim 1～10 of described checker brick and use block；With by heat-resisting material shape Become and described in supporting, turn to the supporting parts using block,

Described turning to is arranged along the virtual steering surface separating the inside of described hot-blast stove up and down by block, shape Become horizontal passageway, described horizontal passageway be positioned at described in turn to between block and described supporting parts, extend horizontally and with institute State and turn to the lateral opening connection of block.

12. supporting structures according to claim 11, it is characterised in that

Described supporting parts are to have to turn to by the support block of block identical appearance size with described.

13. supporting structures according to claim 12, it is characterised in that

Described turning to turns to use brick with block for formed by refractory brick, and described support block is the supporting being formed by refractory brick Brick.

14. supporting structures according to claim 11, it is characterised in that

Described supporting parts are formed by refractory brick, and turn to described in supporting with the pillar of block.

15. supporting structures according to claim 14, it is characterised in that

Multiple pillar parts are connected along long side direction and are formed by described pillar.

16. supporting structures according to any one in claim 11～15, it is characterised in that

Described steering surface is formed as, from the datum axis of the bottom surface traversing described hot-blast stove to both sides and the V extending up sideling Shape.

17. supporting structures according to any one in claim 11～15, it is characterised in that

Described steering surface is formed as, from the bottom surface of described hot-blast stove to periphery and extend up sideling substantially coniform or substantially Pyramid-shaped.

18. supporting structures according to any one in claim the 11st, 14 or 15, it is characterised in that

Described steering surface is horizontally extending.