CN205115515U - Check brick supporting components and hot -blast furnace - Google Patents
Check brick supporting components and hot -blast furnace Download PDFInfo
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- CN205115515U CN205115515U CN201520802924.3U CN201520802924U CN205115515U CN 205115515 U CN205115515 U CN 205115515U CN 201520802924 U CN201520802924 U CN 201520802924U CN 205115515 U CN205115515 U CN 205115515U
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Abstract
The utility model provides a check brick supporting components and hot -blast furnace. Check brick supporting components has supporting components main part (33) and is used for supporting the pillar of supporting components main part (33). Be formed with a plurality of supporting components main part air vents (333) that run through these supporting components main part (33) in supporting components main part (33). Opening (334) of the one side of a plurality of supporting components air vent (333) have can with two at least relative arrangement's in a plurality of check brick air vents (311) on check brick (31) size. The aperture area of opening (335) of the opposite side of a plurality of supporting components air vent (333) is less than the aperture area of opening (334).
Description
Technical field
The utility model relates to a kind of checker brick support unit and hotblast stove, and this checker brick support unit is for supporting the checker brick in the regenerator of hotblast stove hot blast being supplied to blast furnace.
Background technology
In the prior art, use hotblast stove as the equipment of the blast furnace for hot blast being supplied to ironmaking.
1 blast furnace is provided with many (3 ~ 5) hotblast stoves, carries out accumulation of heat by wherein arbitrary hotblast stove, provide hot blast by other hotblast stoves to blast furnace, thus constantly can provide hot blast to blast furnace.
Each hotblast stove has combustion chamber and regenerator, wherein, is provided with the burner of heating in combustion chamber; The checker brick had as heat storage medium are piled up in regenerator.Further, as accumulation of heat action, in combustion chamber, make fuel combustion, generate hot blast, this hot air flow is to regenerator, and heat is put aside and piled up in the checker brick of the inside of regenerator.Further, as air-supply action, extraneous air is imported regenerator, to this heating external air, the hot blast being heated to 1200 DEG C ~ about 1400 DEG C is supplied to blast furnace.
In addition, in order to special combustion installation for blast furnace gas, in the prior art, there is a kind of following method, namely, utilize the small-sized air heating furnace of other about 2 that the combustion air of hotblast stove is preheating to 500 DEG C ~ about 600 DEG C, but, the basic structure in the method and burning hold over system identical with above-mentioned hotblast stove.
As such a hotblast stove, such as, there has been proposed the hotblast stove that a kind of patent documentation 1 (No. 2006-22381, Japanese invention Patent Publication No) is recorded.
Hotblast stove described in patent documentation 1 has combustion chamber and regenerator and is arranged on outer combustion mode on different body of heater.The checker brick as heat storage medium are provided with in regenerator.These checker brick are seamless, and unoccupied place (continuously) is stacked near furnace roof from the furnace bottom part of regenerator.Each checker brick are formed with the multiple checker brick ventilating pits running through each checker brick, and the mode that each checker brick are connected with each checker brick ventilating pit is piled up.Therefore, assigned to furnace roof part by the multiple checker brick piled up from the furnace bottom of regenerator can ventilate.
Divide at the furnace bottom of regenerator body of heater and be formed with suction opening open facing outward and venting port.The checker brick support unit of supporting checker brick is provided with in the inside of the furnace bottom part of regenerator body of heater.
Checker brick support unit is the structure be made up of with the pillar (frame body) of this support unit main body of supporting the support unit main body extended in the horizontal direction.Support unit main body is formed by flat cast iron or cast steel manufacture, and this support unit main body is formed with multiple support unit ventilating pit, and the plurality of support unit ventilating pit runs through support unit main body up and down and formed.Support unit ventilating pit and checker brick ventilating pit configure in pairs, and this support unit ventilating pit is connected with this checker brick ventilating pit.Therefore, checker brick can carry out air-breathing and exhaust event by support unit ventilating pit and outside.
The quantity of the checker brick ventilating pit in unit surface is increased at the heat storage efficiency in order to improve in regenerator, when reducing the interval of adjacent checker brick ventilating pit, need by the quantity of support unit ventilating pit and the interval of support unit ventilating pit corresponding with the interval of the quantity of checker brick ventilating pit and checker brick ventilating pit.Now, if make the diameter of support unit ventilating pit and the equal diameters of checker brick ventilating pit, checker brick support unit just can form the less checker brick ventilating pit of multiple comparatively close diameter, cause casting difficulty to increase.In addition, the interval of adjacent support unit ventilating pit is less, and casting difficulty is larger.Therefore, be difficult to reduce manufacturing cost.
Here, if increase the diameter of support unit ventilating pit, just easily can carry out hole machined, reduce casting difficulty.But, if reduce the quantity of support unit ventilating pit and increase the diameter of support unit ventilating pit, the constituent material of support unit main body then may be made excessively to reduce, cause the flexural strength of checker brick support unit to reduce, sufficient intensity cannot be maintained under the high temperature conditions to support checker brick.In order to ensure intensity, need the thickness increasing checker brick support unit.But the thickness increasing checker brick support unit is difficult to reduce manufacturing cost.In addition, when the material adopting price higher, the rising of manufacturing cost can also be caused.
Utility model content
The purpose of this utility model is to provide a kind of to be had sufficient venting capability and intensity and can reduce checker brick support unit (checker brick supporting structure) and the hotblast stove of manufacturing cost.
Checker brick support unit of the present utility model is for supporting the checker brick in the described regenerator being arranged on the hotblast stove with combustion chamber and regenerator, and it has: support unit main body, and it extends in the horizontal direction; Supporting mass, it supports described support unit main body, described support unit main body is formed multiple support unit ventilating pit running through described support unit main body, described checker brick are formed multiple checker brick ventilating pit, described multiple support unit ventilating pit has the 1st opening and the 2nd opening respectively, described 1st opening has can with at least two sizes be oppositely disposed in multiple checker brick ventilating pit, and the port area of described 2nd opening is less than the port area of described 1st opening.
When adopting checker brick support unit of the present utility model, checker brick support unit has the 1st opening of the size that can comprise at least two checker brick ventilating pits, 1st opening and this at least two checker brick ventilating pits are oppositely disposed, thus, air-breathing exhaust can be carried out by a support unit ventilating pit at least two checker brick ventilating pits.In addition, the 1st opening (compared to prior art) can not only be expanded relative to checker brick ventilating pit, the quantity of support unit ventilating pit can also be reduced.Therefore, it is possible to reduce casting difficulty, reduce manufacturing cost.
In addition, the port area due to the 2nd opening is less than the port area of the 1st opening, thus can suppress the excessive minimizing of the constituent material forming support unit main body, does not need the thickness increasing checker brick support unit, can reduce manufacturing cost.Further, the intensity near the 2nd opening that the stress in bending that caused by the load of checker brick is maximum can be guaranteed.
In checker brick support unit of the present utility model, the 1st adjacent separated by openings predetermined distance configuration of preferred described multiple support unit ventilating pit.
When adopting such a structure, due to adjacent 1st separated by openings predetermined distance configuration, thus can not interval between the adjacent opening of subcontract.Therefore, it is possible to make the even intensity of the close checker brick side of checker brick support unit, and the supporting stabilizer of work-ing life and checker brick can be improved.
In checker brick support unit of the present utility model, preferably described 1st opening be the tricornute shape of tool, the quadricorn shape of tool or there is the shape at six angles.
When adopting such a structure, because each bight of the 1st opening and checker brick ventilating pit are oppositely disposed, thus when the area of the part between described each bight can not be made excessively to increase, multiple checker brick ventilating pit and the 1st open communication can be made.
Here, it can be 2,3, more than 4 or 5 in the hole count of the checker brick ventilating pit with the 1st open communication.
In checker brick support unit of the present utility model, the 1st opening of preferred described multiple checker brick support unit ventilating pit is the tricornute shape of tool, in an orientation of multiple 1st opening, the shape of the 1st adjacent opening towards being contrary.
When adopting such a structure, such as, the interval between the 1st adjacent opening can be made to keep regulation, can not this interval of subcontract.Therefore, it is possible to make the even intensity of checker brick support unit.
In checker brick support unit of the present utility model, the 1st opening of preferred described multiple support unit ventilating pit has concavity portion and convex shaped part respectively, and the convex shaped part of described 1st opening is oppositely disposed with the concavity portion of another the 1st opening of contiguous 1st opening.
When adopting such a structure, there will not be between the convex shaped part of the 1st adjacent opening or be oppositely disposed between concavity portion.Therefore, it is possible to make the interval between the 1st adjacent opening keep regulation.
In addition, owing to being provided with concavity portion, thus, can reduce with checker brick ventilating pit part in opposite directions beyond area, increase the constituent material consumption of support unit main body.Therefore, it is possible to improve the intensity of checker brick support unit.
In checker brick support unit of the present utility model, preferred described support unit ventilating pit has the shape reduced to the 2nd opening side by its 1st opening side.
Adopt such a structure, the 1st opening with larger port area and the 2nd opening with less port area can be formed continuously.
Hotblast stove of the present utility model, has: combustion chamber; Regenerator, its savings, from the hot blast of described combustion chamber, is provided with checker brick and above-mentioned checker brick support unit of the present utility model, wherein, described checker brick is formed with multiple checker brick ventilating pit in described regenerator; Described checker brick support unit supports described checker brick.
Adopt such a the utility model, the action effect identical with above-mentioned checker brick support unit of the present utility model can be played.
Adopt the utility model can provide a kind of there is sufficient venting capability and intensity and checker brick support unit and the hotblast stove of manufacturing cost can be reduced.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the hotblast stove represented involved by the 1st embodiment of the present utility model.
Fig. 2 is the sectional view representing the checker brick of hotblast stove involved by above-mentioned 1st embodiment and a part for checker brick support unit.
Fig. 3 represents in above-mentioned 1st embodiment, carries out cutting along the III-III line in Fig. 2 to the surface of the side of checker brick support unit and the schematic diagram obtained.
Fig. 4 is the enlarged diagram on the surface of the side of the checker brick support unit represented in above-mentioned 1st embodiment.
Fig. 5 represents in above-mentioned 1st embodiment, carries out cutting along the V-V line in Fig. 2 to the surface of the opposite side of checker brick support unit and the schematic diagram obtained.
Fig. 6 is the schematic diagram of the opening of the side of the ventilating pit of the checker brick support unit of the hotblast stove represented involved by the 2nd embodiment of the present utility model.
Fig. 7 is the schematic diagram of the opening of the side of the ventilating pit of the checker brick support unit of the hotblast stove represented involved by modified embodiment of the present embodiment.
Fig. 8 is the schematic diagram of the opening of the side of the ventilating pit of the checker brick support unit of the hotblast stove represented involved by modified embodiment of the present embodiment.
Embodiment
Below, with reference to accompanying drawing, embodiment of the present utility model is described.
[structure of the 1st embodiment]
One in multiple hotblast stoves that hotblast stove 1 involved by 1st embodiment of the present utility model is corresponding 1 blast furnace and arranges.As shown in Figure 1, hotblast stove 1 has the outer combustion mode that combustion chamber and regenerator are arranged respectively, and this hotblast stove 1 has combustion chamber body of heater 2 and these two bodies of heater of regenerator body of heater 3.
The burner 21 of heating is arranged with at the furnace bottom of the inside of combustion chamber body of heater 2.Burner 21 burns to the gas after the fuel gas be imported in fuel gas introduction part 22 and the air mixed being imported in air introduction part 23, generates the combustion gases of the high temperature to furnace roof flowing.
The side surface of combustion chamber body of heater 2 is provided with the warm-air supply portion 24 extending to blast furnace.Be connected by pipe connecting 25 between the furnace roof part of combustion chamber body of heater 2 with the furnace roof part of regenerator body of heater 3.
In the inside of regenerator body of heater 3, be provided with the checker brick 31 as heat storage medium, it is bearing on checker brick support unit 32, and this seamless unoccupied place of checker brick 31 is piled up near furnace roof from the furnace bottom part of regenerator body of heater 3.Divide at the furnace bottom of regenerator body of heater 3 and be formed with suction opening 35 open facing outward and not shown venting port.Venting port and suction opening 35 are at the circumferentially spread configuration of regenerator body of heater 3.
Multiple (such as about 37) checker brick ventilating pit 311 that checker brick 31 are formed, as shown in Figure 2, checker brick ventilating pit about 311 runs through these checker brick 31 and is formed, as shown in the single dotted broken line in Fig. 3, when overlooking, each checker brick 31 are in the shape with six angles.Checker brick 31 thickness is in the vertical about 100mm ~ 150mm.The aperture of checker brick ventilating pit 311 is about 20mm ~ 45mm, and multiple checker brick ventilating pit 311 is arranged in reticulation.
Multiple checker brick 31 are one-tenth reticulation arranged evenly in the horizontal direction, and the plurality of checker brick 31 are 20 ~ 30m by the height piled up, and each checker brick ventilating pit 311 is connected.Therefore, assigned to furnace roof part by the multiple checker brick 31 piled up from the furnace bottom of regenerator body of heater 3 can ventilate.
As shown in Figure 1, checker brick support unit 32 is arranged on the furnace bottom part of the inside of regenerator body of heater 3.Checker brick support unit 32 has the pillar 34 of support unit the main body 33 and multiple supporting mass as this support unit main body 33 of supporting extended in the horizontal direction.
Support unit main body 33 is formed by flat cast iron or cast steel manufacture, and it is tabular, is arranged in the furnace bottom part of the inside of regenerator body of heater 3.Support unit main body 33 thickness is in the vertical about 300mm ~ 600mm.The upper surface 331 (surface of side) of support unit main body 33 supports the lower surface of checker brick 31.The lower surface 332 (surface of opposite side) of support unit main body 33 is supported by pillar 34.
As shown in Figure 2, support unit main body 33 is formed with multiple support unit ventilating pit 333 running through this support unit main body 33.The hole count of support unit ventilating pit 333 is about 1/3 of the hole count of checker brick ventilating pit 311.Support unit ventilating pit 333 radially extends to the lower surface 332 be positioned at checker brick 31 opposite side from the upper surface 331 being positioned at checker brick 31 side.Support unit ventilating pit 333 has: opening 334 (the 1st opening), and it is formed on upper surface 331; Opening 335 (the 2nd opening), it is formed on lower surface 332; Narrow 336, it has the shape narrowed from opening 334 1 lateral openings 335 side.
As shown in Figure 3, Figure 4, opening 334 is roughly in the tricornute shape of tool, and its 3 bights are the convex shaped part 334A of arc-shaped, and this convex shaped part 334A is protruded outside horizontal direction by the O side, center of support unit ventilating pit 333.The curvature of convex shaped part 334A is equal with the curvature of the checker brick ventilating pit 311 of checker brick 31.
3 edge between 3 convex shaped part 334A are the concavity portion 334B of arc-shaped, this concavity portion 334B is by the O side, center of horizontal direction lateral support unit ventilating pit 333 recessed (see it is concave with the angle of ventilating pit, but be to convex from the angle of checker brick entity part).The curvature of concavity portion 334B is set to be less than the curvature of convex shaped part 334A, and the bending of this concavity portion 334B comparatively relaxes compared to convex shaped part 334A.
1 opening 334 be bent to form like this has the port area that can be oppositely disposed with adjacent one another are 3 checker brick ventilating pits 311.3 convex shaped part 334A are oppositely disposed with adjacent one another are 3 checker brick ventilating pits 311 respectively.
Multiple opening 334 is arranged in reticulation on upper surface 331.As shown in Figure 3, the arrangement of multiple opening 334 is divided into arrangement A1 and arrangement A2, for arrangement A1, on a direction (A direction) of setting arbitrarily in the horizontal plane along upper surface 331, the cross-sectional shape of multiple opening 334, towards identical, is forward arrangement; For arrangement A2, on A direction, the cross-sectional shape of multiple opening 334 towards identical, but turns over turnback relative to above-mentioned forward arrangement, arranges in negative sense.That is, opening 334 all forward configurations of arrangement A1 are formed.Form all reverse arrangement of opening 334 of arrangement A2.Arrangement A1, A2 B direction vertical with A direction in the horizontal plane along upper surface 331 is submitted interworking and is put.Therefore, multiple opening 334 in directionb be arranged as opening 334 towards the positive and negative arrangement B1 be alternately arranged.
In arrangement A1, a convex shaped part 334A (bight) of opening 334 is oppositely disposed with concavity portion 334B (edge) L1 spaced apart of other openings 334 of this opening 334 contiguous.The position of the center of curvature C of this convex shaped part 334A is identical with the position of the center of curvature C of the concavity portion 334B that this convex shaped part 334A is oppositely disposed with on A direction.Therefore, the interval L1 between this convex shaped part 334A and concavity portion 334B is consistent everywhere, is to specify constant interval.In addition, the radius R S of convex shaped part 334A is less than the radius R L of the concavity portion 334B be oppositely disposed with this convex shaped part 334A on A direction.
In addition, arrangement A2 in, the convex shaped part 334A of the relative configuration of 2 openings 334 and interval L1 of concavity portion 334B and the position relationship of center of curvature C identical with the relation of concavity portion 334B with convex shaped part 334A in above-mentioned arrangement A1.
In arrangement B1, the convex shaped part 334A of 2 openings 334 and concavity portion 334B L1 relative configuration spaced apart.Further, the position of the center of curvature C of convex shaped part 334A is identical with the position of the center of curvature C of concavity portion 334B.Therefore, the interval L1 between this convex shaped part 334A and concavity portion 334B is consistent everywhere, is to specify constant interval.In addition, the radius R S of convex shaped part 334A is less than the radius R L of the concavity portion 334B be oppositely disposed with this convex shaped part 334A in directionb.
The radius R S-phase etc. of above-mentioned each convex shaped part 334A, each radius RL of above-mentioned each concavity portion 334B is equal.
Like this, adjacent opening 334 separates predetermined distance L1 (pitch-row) configuration of about 13.5 ~ 25mm.In addition, the center of curvature C of each convex shaped part 334A be oppositely disposed with checker brick ventilating pit 31 is roughly consistent with the center of checker brick ventilating pit 331.
As shown in Figure 5, opening 335 with the center O of support unit ventilating pit 333 for the center of curvature is formed as circular.The port area of opening 335 is less than the port area of opening 334.The arrangement of multiple opening 335 is roughly identical with the above-mentioned arrangement of opening 334, thus in this description will be omitted.But because opening 335 is rounded, thus, no matter this opening 335 forward arranges or reverse arrangement, and its shape shown on lower surface 332 all can not change.
As shown in Figure 4, the part closest to center O in the periphery of opening 335 and the concavity portion 334B of opening 334 overlaps.
Interval between multiple adjacent apertures 335 with said structure is greater than the interval L1 between above-mentioned adjacent opening 334.Therefore, the amount of the constituent material of support unit 33 increases in lower surface 332 side that the stress in bending from checker brick 31 is maximum.
As shown in Figure 2, narrow 336 is arranged on the upside at 1/2 place of the thickness of support unit main body 33.
The top 336A of narrow 336 is connected with the upside ventilation space 337 extended downwards from opening 334.The shape of the periphery of top 336A is identical with the shape of the periphery of opening 334.The profile of upside ventilation space 337 is identical with the profile of opening 334.
The bottom 336B of narrow 336 is connected with the downside ventilation space 338 extended upward from opening 335.The shape of the periphery of bottom 336B is identical with the shape of the periphery of opening 335.The profile of downside ventilation space 338 is identical with the profile of opening 335.
The port area of top 336A is greater than the port area of bottom 336B.The shape of whole narrow 336 is the shape being reduced into taper by top 336A lower portion 336B.
336A side, top is roughly the tool tricornute shape corresponding with the shape of opening 334, but, be more formed as circular gradually towards bottom 336B, become the shape corresponding with the shape of opening 335.
Pillar 34 is provided with multiple in the furnace bottom setting of regenerator body of heater 3, and it is directly supported the lower surface 332 of support unit main body 33 or is supported by the lower surface 332 of beam (girder) to support unit main body 33.Gap between multiple pillar 34 is configured to suction opening 35 and venting port carries out the air circulation path of air circulation by support unit ventilating pit 333 and checker brick ventilating pit 311.
[action of the 1st embodiment]
Below, the action of the hotblast stove 1 of present embodiment is described.
Accumulation of heat and air-supply is carried out as follows in hotblast stove 1.
When carrying out accumulation of heat action, making fuel gas by burner 21, producing the combustion gases risen in fuel chambers body of heater 2, these combustion gases being imported the inside of regenerator body of heater 3 by communicating pipe 25.Then, make the combustion gases be imported into flow to checker brick 31, and flow downward, between this flow periods, the heat of combustion gases is put aside in checker brick 31.The combustion gases flowing through checker brick 31 flow through checker brick support unit 32, are discharged by venting port.
When carrying out air-supply action, by suction opening 34, extraneous air is drawn into the inside of regenerator body of heater 3, the extraneous air be inhaled into flows through checker brick support unit 32, flows to checker brick 31, and upwards flows, between this flow periods, by the heat of savings in checker brick 31, extraneous air is heated, generate hot blast, then, this hot blast is imported the inside of combustion chamber body of heater 2 by pipe connecting 25, be supplied to blast furnace by warm-air supply portion 24.
[effect of the 1st embodiment]
(1) opening 334 owing to having the size that can comprise 3 checker brick ventilating pits 311 is oppositely disposed with these 3 checker brick ventilating pits 311, thus, can carry out air-breathing exhaust by a support unit ventilating pit 333 to 3 checker brick ventilating pits 311.In addition, can not only enlarged openings 334, the hole count of support unit ventilating pit 333 can also be reduced to about 1/3 of the hole count of checker brick ventilating pit 311.Therefore, it is possible to reduce casting difficulty, reduce manufacturing cost.
In addition, port area due to opening 335 is less than the port area of opening 334, thus the constituent material forming support unit main body 33 can be suppressed especially excessively to reduce in lower surface 332 side, do not need the thickness increasing checker brick support unit 32, can manufacturing cost be reduced.Further, the intensity of opening 335 side that the stress in bending that causes because of the load of checker brick 31 is maximum can also be guaranteed under the high temperature conditions.
(2) configure because adjacent opening 334 separates predetermined distance L1, thus can not interval L1 between the adjacent opening 334 of subcontract.Therefore, it is possible to make the even intensity of close checker brick 31 side of checker brick support unit 32, and the supporting stabilizer of work-ing life and checker brick 31 can be improved.
(3) due to the adjacent opening 334 roughly in the tricornute shape of tool in directionb towards positive and negative mutual configuration (namely, the shape orientation of adjacent opening 334 is contrary), thus, the interval L1 between opening 334 can be made to keep regulation, can not this interval of subcontract L1.Therefore, it is possible to make the even intensity of checker brick support unit 32.
(4) due to convex shaped part 334A (bight) and concavity portion 334B (edge) relative configuration of adjacent opening 334, thus, adjacent convex shaped part 334A relative configuration or adjacent concavity portion 334B is there will not be to be oppositely disposed.Therefore, it is possible to make the interval between adjacent opening 334 keep regulation.
In addition, owing to being provided with concavity portion 334B, thus, can reduce with checker brick ventilating pit 311 part in opposite directions beyond area, increase the constituent material of support unit main body 33.Therefore, it is possible to improve the intensity of checker brick support unit 32.
(5) because opening 334 is in the tricornute shape of tool, thus each bight of this opening 334 (convex shaped part 334A) and checker brick ventilating pit 311 can be made to be oppositely disposed, thus the area between each bight can not be made exceedingly to increase, 3 checker brick ventilating pits 311 can be made to be communicated with opening 334.
(6) opening 334 with larger port area and the opening 335 with less port area can because narrow 336 has the shape reduced by opening 334 1 lateral openings 335 side, thus, be formed continuously.
[structure of the 2nd embodiment]
Fig. 6 represents the 2nd embodiment of the present utility model.
A part for the structure of the hotblast stove involved by present embodiment is identical with the hotblast stove 1 involved by the 1st above-mentioned embodiment.Therefore, identical mark is marked to identical structure, and omit repeat specification at this.
In the hotblast stove 1 involved by the 1st above-mentioned embodiment, the opening 334 of support unit ventilating pit 333 is roughly in the tricornute shape of tool, 3 bights of opening 334 are the convex shaped part 334A of arc-shaped, and 3 edge of this opening 334 are the concavity portion 334B of arc-shaped.
On the other hand, in the hotblast stove of present embodiment, the opening 334 of support unit ventilating pit 333 is roughly in the tricornute shape of tool, and 3 bights of opening 334 are convex shaped part 334A, and three limits connecting 3 convex shaped part 334A are linearly.
The opening 334 of present embodiment has the port area that can be oppositely disposed with adjacent 3 checker brick ventilating pits 311.In addition, the arrangement of the opening 334 of multiple support unit ventilating pit 333 is identical with the arrangement of the opening 334 of the hotblast stove 1 of the 1st above-mentioned embodiment.
In the present embodiment, because the straight line portion of the opening 334 of adjacent support unit ventilating pit 333 and the interval L2 (pitch-row) of convex shaped part 334A change along with the change of the radius-of-curvature of convex shaped part 334B, thus, this interval L2 is not predetermined distance, but the interval L3 between the straight line portion of the opening 334 of adjacent support unit ventilating pit 333 is predetermined distance.Here, the interval of the narrowest in the L2 of interval part is set to the interval of the intensity can guaranteed needed for support unit main body 33.
[effect of the 2nd embodiment]
(1) effect identical with the effect (1) of the 1st above-mentioned embodiment, (5), (6) can be obtained.
(2) because the spaced apart predetermined distance L3 of the straight line portion of adjacent opening 334 configures, thus, can not interval L3 between this straight line portion of subcontract.Therefore, it is possible to make the intensity of close checker brick 31 side of checker brick support unit 32 roughly even, and the supporting stabilizer of work-ing life and checker brick 31 can be improved.
[variation]
In addition, the utility model is not limited to structure illustrated in above-mentioned embodiment, and the variation can reached in the scope of the purpose of this utility model is also contained in the utility model.
Such as, in the above-described embodiment, opening 334 has the port area that can be oppositely disposed with 3 checker brick ventilating pits 311, but, be not limited thereto, this opening 334 also can have the port area that at least can be oppositely disposed with 2 checker brick ventilating pits 311.In addition, opening 334 also can have the port area that can be oppositely disposed with the checker brick ventilating pit 311 of 4,5, more than 6.
Such as, as shown in Figure 7, opening 334 can be roughly the quadricorn shape of tool, and has the port area that can be oppositely disposed with 4 checker brick ventilating pits 311.Adopt such a opening 334, the hole count of support unit ventilating pit 33 can be reduced to about 1/4 of the hole count of checker brick ventilating pit 311.
Opening 334 shown in Fig. 7 has convex shaped part 334A in 4 bights, is arranged on concavity portion 334B (edge) between this convex shaped part 334A.The interval L1 of convex shaped part 334A and concavity portion 334B and the position relationship of center of curvature C same as described above.
The horizontal reverse offset configuration laterally of other 2 convex shaped part 334A that 2 the convex shaped part 334A be oppositely disposed up and down are in the figure 7 oppositely disposed to the left and right from center O.Therefore, the A direction being arranged with multiple opening 334 is mutually not vertical with B direction, and both are acute angle theta.
In addition, even if the opening 334 roughly in the quadricorn shape of tool turns over turnback, shape also can not change.Therefore, even if the multiple openings 334 in the arrangement B1 on B direction are towards alternately positive and negative, its result is identical with the identical situation towards arranging with multiple opening 334.
Such as, as shown in Figure 8, opening 334 roughly in the shape with six angles, and can have the port area that can be oppositely disposed with 6 checker brick ventilating pits 311.Adopt such a opening 334, the hole count of support unit ventilating pit 33 can be reduced to about 1/6 of the hole count of checker brick ventilating pit 311.
Opening 334 shown in Fig. 8 has convex shaped part 334A in 6 bights, is arranged on concavity portion 334B (edge) between this convex shaped part 334A.The interval L1 of convex shaped part 334A and concavity portion 334B and the position relationship of center of curvature C same as described above.Middle body and the checker brick ventilating pit 311 of this opening 334 are also oppositely disposed.
The A direction being arranged with opening 334 shown in Fig. 8 and B direction are mutually not vertical, and both are θ in obtuse angle.
In addition, even if roughly turn over turnback in the opening 334 of the shape with six angles, shape also can not change.Therefore, though the multiple openings 334 in the arrangement B1 on B direction towards alternately positive and negative, its result is identical with the identical situation towards arranging with multiple opening 334.
In the above-described embodiment, the bight of opening 334 is formed as the convex shaped part 334A of arc-shaped, the edge of opening 334 is formed as the concavity portion 334B of arc-shaped, but, such as, opening 334 can be formed as the tricornute shape of following tool: do not form such a convex shaped part 334A, concavity portion 334B, each limit straight line extends and intersects in bight, this bight is formed as the arc-shaped less than above-mentioned convex shaped part 334A or does not have in fact the bight of curvature (wedge angle, the shape of opening 334 is common trilateral).Even if the interval L1 between adjacent opening 334 in this case, also can be made to keep certain.
In addition, when opening 334 is formed as the roughly quadricorn shape of tool as shown in Figure 7, Figure 8 like that or roughly have the shape at six angles, same each limit also can extend and intersect in bight by straight line, but, such as, each bight also can be formed as the arc-shaped identical with convex shaped part 334A.
In the above-described embodiment, the curvature of convex shaped part 334A is identical with the curvature of checker brick 31 checker brick ventilating pit 311, but, be not limited thereto, such as, the curvature of convex shaped part 334A also can be less than the curvature of checker brick ventilating pit 311, and the bending of this convex shaped part 334A comparatively relaxes compared to checker brick ventilating pit 311.
In the above-described embodiment, narrow 336 is arranged on the upside at 1/2 place of the thickness of support unit main body 33, but, also can be arranged on the upside at 1/3 place of the thickness of support unit main body 33.In addition, narrow 336 is connected with upside ventilation space 337, but be not limited thereto, such as, narrow 336 also can directly become narrow from opening 334.Like this, when narrow 336 is arranged on upside, the upside ventilation space 337 that section area is larger is shorter, and in addition, the downside ventilation space 338 that section area is less is longer.Thus the amount of the constituent material of support unit main body 33 can be increased, improve intensity.
Otherwise narrow 336 can be arranged on the downside at 1/2 place of the thickness of support unit main body 33.In this case, owing to being formed with downside ventilation space 338 in opening 335 side, the intensity of opening 335 side that the stress in bending that caused by the load from checker brick 31 is maximum can thus be guaranteed.
In the above-described embodiment, hotblast stove 1 has combustion chamber and regenerator and is arranged on outer combustion mode on different body of heater, but, be not limited thereto, such as, combustion chamber and regenerator can be adopted to be arranged on internal combustion type structure on same body of heater and top combustion type structure.
The aperture of checker brick ventilating pit 311 is about 20mm, but is not limited to, and such as, also suitably can be set as 20mm ~ 45mm.In this case, corresponding with the aperture of this checker brick ventilating pit 311, convex shaped part 334A is set to the diameter in more than this aperture.
Claims (7)
1. a checker brick support unit, described checker brick support unit, for supporting the checker brick in the described regenerator being arranged on the hotblast stove with combustion chamber and regenerator, is characterized in that,
Have: support unit main body, it extends in the horizontal direction; Supporting mass, it supports described support unit main body,
Described support unit main body is formed multiple support unit ventilating pit running through described support unit main body,
Described checker brick are formed multiple checker brick ventilating pit,
Described multiple support unit ventilating pit has the 1st opening and the 2nd opening respectively,
Described 1st opening has can with at least two sizes be oppositely disposed in multiple checker brick ventilating pit,
The port area of described 2nd opening is less than the port area of described 1st opening.
2. checker brick support unit according to claim 1, is characterized in that,
The 1st adjacent separated by openings predetermined distance configuration of described multiple support unit ventilating pit.
3. checker brick support unit according to claim 1, is characterized in that,
Described 1st opening is the tricornute shape of tool, the quadricorn shape of tool or have the shape at six angles.
4. checker brick support unit according to claim 3, is characterized in that,
1st opening of described multiple checker brick support unit ventilating pit is the tricornute shape of tool, in an orientation of multiple 1st opening, the shape of the 1st adjacent opening towards being contrary.
5. checker brick support unit according to claim 1, is characterized in that,
1st opening of described multiple support unit ventilating pit has concavity portion and convex shaped part respectively, and the convex shaped part of described 1st opening is oppositely disposed with the concavity portion of another the 1st opening of contiguous 1st opening.
6. checker brick support unit according to claim 1, is characterized in that,
Described support unit ventilating pit has the shape reduced to the 2nd opening side by its 1st opening side.
7. a hotblast stove, has: combustion chamber; Regenerator, its savings, from the hot blast of described combustion chamber, is characterized in that,
In described regenerator, be provided with the checker brick support unit in checker brick and claim 1 ~ 6 described in any one, wherein, described checker brick be formed with multiple checker brick ventilating pit; Described checker brick support unit supports described checker brick.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-005536 | 2014-10-17 | ||
| JP2014005536U JP3195118U (en) | 2014-10-17 | 2014-10-17 | Checker brick hardware and hot stove |
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| Publication Number | Publication Date |
|---|---|
| CN205115515U true CN205115515U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520802924.3U Active CN205115515U (en) | 2014-10-17 | 2015-10-15 | Check brick supporting components and hot -blast furnace |
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| JP (1) | JP3195118U (en) |
| CN (1) | CN205115515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586908A (en) * | 2016-07-07 | 2018-01-16 | 新日铁住金工程技术株式会社 | Lattice brick bears the extra-column of metal device, lattice brick bears metal device and post adding method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201503141D0 (en) * | 2015-02-03 | 2015-04-08 | Fosbel Inc | Integral self-supporting refractory checker brick modules for glass furnace regenerator structures, and methods of forming same |
| CN108179244A (en) * | 2018-03-19 | 2018-06-19 | 郑州大学 | A kind of uniform gas distribution brick of monolithic devices hot-blast stove |
| CN111850212A (en) * | 2020-08-14 | 2020-10-30 | 中冶京诚工程技术有限公司 | Checker brick for hot blast stove |
-
2014
- 2014-10-17 JP JP2014005536U patent/JP3195118U/en active Active
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2015
- 2015-10-15 CN CN201520802924.3U patent/CN205115515U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586908A (en) * | 2016-07-07 | 2018-01-16 | 新日铁住金工程技术株式会社 | Lattice brick bears the extra-column of metal device, lattice brick bears metal device and post adding method |
| CN107586908B (en) * | 2016-07-07 | 2019-09-20 | 日铁工程技术株式会社 | Lattice brick bears the extra-column of metal device, lattice brick bears metal device and column adding method |
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| Publication number | Publication date |
|---|---|
| JP3195118U (en) | 2014-12-25 |
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