CN108220517A - A kind of uniform gas distribution transitional brick of hot-blast stove - Google Patents
A kind of uniform gas distribution transitional brick of hot-blast stove Download PDFInfo
- Publication number
- CN108220517A CN108220517A CN201810222451.8A CN201810222451A CN108220517A CN 108220517 A CN108220517 A CN 108220517A CN 201810222451 A CN201810222451 A CN 201810222451A CN 108220517 A CN108220517 A CN 108220517A
- Authority
- CN
- China
- Prior art keywords
- hot
- circular conical
- hole
- conical surface
- blast stove
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- Pending
Links
- 239000011449 brick Substances 0.000 title claims abstract description 52
- 230000007704 transition Effects 0.000 claims abstract description 11
- 241000193935 Araneus diadematus Species 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000005422 blasting Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 33
- 239000010410 layer Substances 0.000 description 11
- 239000011229 interlayer Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/02—Brick hot-blast stoves
- C21B9/06—Linings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Air Supply (AREA)
Abstract
A kind of uniform gas distribution transitional brick of hot-blast stove,Its shape is to be internally provided with the regular hexagonal prism of an infundibulate central through hole and six round edge through-holes,The axis of six round edge through-holes and the centerline axis parallel of regular hexagonal prism,Infundibulate central through hole is made of circular conical surface and cylindrical surface,The radius of the small end opening of circular conical surface is equal with the radius of cylindrical surface through-hole,And there is smooth transition cambered surface at circular conical surface and the cross spider on cylindrical surface,The central axis of circular conical surface,The central axis on cylindrical surface is overlapped with the central axis of regular hexagonal prism,The configuration of the present invention is simple,Gas can be reduced and flow through blast furnace lattice brick used for hot-blast stove layer and hot-blast stove fluid resistance loss between uniform gas distribution brick layer,Improve the stability of burning operation in the Combustion of Hot Air Furnace phase,Reduce fan resistance of the air-supply for phase blasting period,And then reduce the power consumption of air blower,It is significant to improving blast furnace air quantity.
Description
Technical field
The invention belongs to kiln technical fields, particularly relate to a kind of uniform gas distribution transitional brick of hot-blast stove.
Background technology
At present, the uniform gas distribution brick of a kind of hot-blast stove（Chinese patent CN205616915U）It is simple in structure to provide one kind,
Make high warm flue gas flow in the gas distribution brick that radially and circumferentially can be uniformly distributed and can bear high temperature, a kind of blast furnace heat
Wind furnace checker brick（Chinese patent CN205784604U）Provide a kind of pass it is simple, it is compact-sized, can reduce in checker brick
Stress concentration, side and end face it is regular, can staggered floor pave the blast funnace hot blast stove grid for preventing checker brick interlayer slip, caving in
Brick, above two technology are used cooperatively, and have both reduced checker brick interlayer slip, phenomenon of caving in, while also improve in hot-blast stove
The uniformity of Temperature Distribution on radially and circumferentially improves the thermal efficiency of hot-blast stove, but matches in above two technology
It closes in use, a kind of uniform gas distribution brick of hot-blast stove（Chinese patent CN205616915U）With existing other conventional hot blast stove grid
When brick is used cooperatively, hot-blast stove between uniform gas distribution brick layer and blast funnace hot blast stove grid brick layer because of the urgency of gas flow paths
Play changes so that gas flow resistance increases in hot-blast stove, the power consumption of the air-flow flowing in hot-blast stove is increased, when serious
It also occur that the phenomenon that Combustion of Hot Air Furnace phase flame is unstable, there is the constraint by structure and gas flowing law or limitations
Shortcoming.
Invention content
The goal of the invention of the present invention：
Mainly for the above situation, to overcome the defect of the prior art, the purpose of the present invention is just to provide a kind of reduction blast furnace heat
When wind furnace checker brick are used cooperatively with hot-blast stove with uniform gas distribution brick, the uniform gas distribution brick layer of hot-blast stove and blast furnace heat can be reduced
The uniform gas distribution transitional brick of hot-blast stove of wind furnace air resistance between grid brick layer.
The technical scheme is that：
A kind of uniform gas distribution transitional brick of hot-blast stove is provided, the shape of the uniform gas distribution transitional brick of hot-blast stove is is internally provided with one
The regular hexagonal prism of the round edge through-hole of a infundibulate central through hole and six, each edges and corners of regular hexagonal prism be equipped with it is adjacent
The tangent transition circle cambered surface in side, the axis of six round edge through-holes and the centerline axis parallel of regular hexagonal prism, in infundibulate
Heart through-hole is made of circular conical surface and cylindrical surface, and the radius of the small end opening of circular conical surface is equal with the radius of cylindrical surface through-hole, and circle
Have smooth transition cambered surface at the conical surface and the cross spider on cylindrical surface, the central axis of circular conical surface, the central axis on cylindrical surface with just
The central axis of hexagonal prisms overlaps, the radius of the big end opening of the circular conical surface distance between end face center and transition circle cambered surface midpoint
7/3rds to eight/4ths in the range of, the point angle of circular conical surface is 85o~95o.The central shaft of each circle edge through-hole
The radius of pitch cylinder where line extends the spacing of cross spider and infundibulate central through hole axis in regular hexagonal prism adjacent side
From half in the range of 3/4ths, the diameter of each circle edge through-hole is no more than the big end opening of circular conical surface
4/5ths of the difference of radius and small end opening diameter.
The beneficial effects of the invention are as follows：
The configuration of the present invention is simple, can reduce gas flow through blast furnace lattice brick used for hot-blast stove layer and hot-blast stove with uniform gas distribution brick layer it
Between fluid resistance loss, improve the Combustion of Hot Air Furnace phase in burning operation stability, reduce air-supply for phase blasting period air-supply hinder
Power, and then the power consumption of air blower is reduced, it is significant to improving blast furnace air quantity.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the bottom view of the present invention.
Fig. 3 is the signal when present invention is used cooperatively with blast funnace hot blast stove checker brick and hot-blast stove with uniform gas distribution brick
Figure.
Wherein：1 is infundibulate central through hole；2 be round edge through-hole；3 be regular hexagonal prism；4 be circular conical surface；5 be cylinder
Face；6 be the uniform gas distribution brick of hot-blast stove；7 be blast funnace hot blast stove checker brick.
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1 to Fig. 3, shape of the invention is is internally provided with an infundibulate central through hole 1 and six circular edges
The regular hexagonal prism 3 of portion's through-hole 2, each edges and corners of regular hexagonal prism 3 are equipped with the transition circle cambered surface tangent with adjacent side, and six
The axis and the centerline axis parallel of regular hexagonal prism 3 of a circle edge through-hole 2, infundibulate central through hole 1 is by circular conical surface 4 and cylinder
Face 5 is formed, and the radius of the small end opening of circular conical surface 4 is equal with the radius of 5 through-hole of cylindrical surface, and the friendship on circular conical surface 4 and cylindrical surface 5
There are smooth transition cambered surface, the central axis of circular conical surface 4, the central axis on cylindrical surface 5 and the central shaft of regular hexagonal prism 3 at cross wires
Line overlaps, the radius of the big end opening of circular conical surface 4 between end face center and transition circle cambered surface midpoint distance 3/4ths to
In the range of 7/8ths, the point angle of circular conical surface 4 is 85o~95o, the section where the central axis of each circle edge through-hole 2
The radius on cylindrical surface is two points of distance between 3 adjacent side of regular hexagonal prism extends 1 axis of cross spider and infundibulate central through hole
One of in the range of 3/4ths, the diameter of each circle edge through-hole 2 no more than the big end opening of circular conical surface 4 radius with
4/5ths of the difference of small end opening diameter.
The point angle of the circular conical surface 4 is 115o~125o。
The diameter on the cylindrical surface 5 is not more than 4/5ths of round 2 diameter of edge through-hole.
Embodiment one：The distance between 3 shape two opposite side surfaces of regular hexagonal prism of the present embodiment be 230mm, transition arc
Radius for 15mm, the height of regular hexagonal prism 3 is 230mm, the cone of the circular conical surface 4 of the funnel-shaped hole 1 inside regular hexagonal prism 3
Angle is 90o, a diameter of 180mm of the big end opening of circular conical surface 4, small 5 through-hole of end opening, that is, cylindrical surface of circular conical surface 4 it is a diameter of
50mm, the diameter of six round edge through-holes 2 in regular hexagonal prism 3 is 80mm.Uniform gas distribution with transitional brick when in use, first
The blast funnace hot blast stove checker brick 7 mating with uniform gas distribution brick are paved, by the small openend of the funnel-shaped hole 1 of the present invention
Downward, upward, level is paved on blast funnace hot blast stove checker brick 7 at big opening end, the small openend cylinder of funnel-shaped hole 1
The through-hole in face 5 is opposite with a centre bore of blast funnace hot blast stove checker brick 7, round edge through-hole 2 and blast funnace hot blast stove lattice
Other through-holes correspondence of sub- brick 7 communicates, and then paves hot-blast stove the present invention's downwards with the big opening end of uniform gas distribution brick 6
On, the central axis of the uniform gas distribution brick 6 of hot-blast stove, the present invention and blast funnace hot blast stove checker brick 7 overlaps, and end face cooperation is tight
Close, side consistency from top to bottom, when air-flow flows from below to up, gas first flows into this hair from blast funnace hot blast stove with the through-hole of checker brick 7
In bright, the guide functions of funnel-shaped hole 1 and six edge circular through holes 2 through the present invention enter hot-blast stove with uniform gas distribution
In brick 6, then uniform gas distribution is realized in uniform 6 layers of the gas distribution brick of hot-blast stove.When air-flow flows from top to down, through hot-blast stove with
Even 6 big opening end of gas distribution brick is flowed into the cavity of the present invention, funnel-shaped hole 1 and six edge circles of the air-flow through the present invention
The shunting function of through-hole 2 enter positioned at the present invention under blast funnace hot blast stove checker brick 7 gas channel, so no matter gas
Stream flows from top to bottom or from bottom to top, can play shunting, guide functions, gas is greatly reduced and flows through accumulation of heat grid brick layer
The fluid resistance loss between uniform gas distribution brick layer.
The configuration of the present invention is simple can reduce gas and flow through blast furnace lattice brick used for hot-blast stove layer and the uniform gas distribution brick of hot-blast stove
Fluid resistance loss between layer improves the stability of burning operation in the Combustion of Hot Air Furnace phase, reduces air-supply sending for phase blasting period
Wind resistance, and then the power consumption of air blower is reduced, it is significant to improving blast furnace air quantity.
Claims (3)
1. a kind of uniform gas distribution transitional brick of hot-blast stove, which is characterized in that the shape of the uniform gas distribution transitional brick of hot-blast stove is interior
Portion is set there are one infundibulate central through hole（1）With six round edge through-holes（2）Regular hexagonal prism（3）, regular hexagonal prism（3）It is every
A edges and corners are equipped with the transition circle cambered surface tangent with adjacent side, six round edge through-holes（2）Axis and regular hexagonal prism
（3）Centerline axis parallel, infundibulate central through hole（1）By circular conical surface（4）And cylindrical surface（5）It forms, circular conical surface（4）Small end
The radius of opening and cylindrical surface（5）The radius of through-hole is equal, and circular conical surface（4）And cylindrical surface（5）Cross spider at have it is smooth
Transition cambered surface, circular conical surface（4）Central axis, cylindrical surface（5）Central axis and regular hexagonal prism（3）Central axis overlap,
Circular conical surface（4）Big end opening radius between end face center and transition circle cambered surface midpoint distance 3 to eight/4ths/
In the range of seven, circular conical surface（4）Point angle be 85o~95o, each circle edge through-hole（2）Central axis where pitch circle
The radius of cylinder is in regular hexagonal prism（3）Adjacent side extends cross spider and infundibulate central through hole（1）The two of distance between axis
In the range of 3/1 mono- to four, each circle edge through-hole（2）Diameter be not more than circular conical surface（4）Big end opening
4/5ths of the difference of radius and small end opening diameter.
A kind of 2. uniform gas distribution transitional brick of hot-blast stove according to claim 1, which is characterized in that the circular conical surface
（4）Point angle be 115o~125o。
A kind of 3. uniform gas distribution transitional brick of hot-blast stove according to claim 1, which is characterized in that the cylindrical surface
（5）Diameter be not more than round edge through-hole（2）4/5ths of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222451.8A CN108220517A (en) | 2018-03-19 | 2018-03-19 | A kind of uniform gas distribution transitional brick of hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222451.8A CN108220517A (en) | 2018-03-19 | 2018-03-19 | A kind of uniform gas distribution transitional brick of hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108220517A true CN108220517A (en) | 2018-06-29 |
Family
ID=62659682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810222451.8A Pending CN108220517A (en) | 2018-03-19 | 2018-03-19 | A kind of uniform gas distribution transitional brick of hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108220517A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009106186A1 (en) * | 2008-02-28 | 2009-09-03 | Paul Wurth Refractory & Engineering Gmbh | Checker brick |
| CN202671561U (en) * | 2012-05-18 | 2013-01-16 | 山东省冶金设计院股份有限公司 | Transition device for grate and lattice bricks of internal combustion hot blast stove |
| CN204874646U (en) * | 2015-08-17 | 2015-12-16 | 中冶华天工程技术有限公司 | Hot -blast furnace regenerator check brick structure |
| CN105603143A (en) * | 2016-03-31 | 2016-05-25 | 郑州大学 | Lattice brick for blast furnace hot blast stove |
| CN105648131A (en) * | 2016-03-31 | 2016-06-08 | 郑州大学 | Even gas distribution brick for hot air furnace |
| CN205616915U (en) * | 2016-03-31 | 2016-10-05 | 郑州大学 | Hot -blast furnace is with even gas distribution brick |
| CN205784604U (en) * | 2016-03-31 | 2016-12-07 | 郑州大学 | A kind of blast funnace hot blast stove checker brick |
| CN207958414U (en) * | 2018-03-19 | 2018-10-12 | 郑州大学 | A kind of uniform gas distribution transitional brick of hot-blast stove |
-
2018
- 2018-03-19 CN CN201810222451.8A patent/CN108220517A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009106186A1 (en) * | 2008-02-28 | 2009-09-03 | Paul Wurth Refractory & Engineering Gmbh | Checker brick |
| CN202671561U (en) * | 2012-05-18 | 2013-01-16 | 山东省冶金设计院股份有限公司 | Transition device for grate and lattice bricks of internal combustion hot blast stove |
| CN204874646U (en) * | 2015-08-17 | 2015-12-16 | 中冶华天工程技术有限公司 | Hot -blast furnace regenerator check brick structure |
| CN105603143A (en) * | 2016-03-31 | 2016-05-25 | 郑州大学 | Lattice brick for blast furnace hot blast stove |
| CN105648131A (en) * | 2016-03-31 | 2016-06-08 | 郑州大学 | Even gas distribution brick for hot air furnace |
| CN205616915U (en) * | 2016-03-31 | 2016-10-05 | 郑州大学 | Hot -blast furnace is with even gas distribution brick |
| CN205784604U (en) * | 2016-03-31 | 2016-12-07 | 郑州大学 | A kind of blast funnace hot blast stove checker brick |
| CN207958414U (en) * | 2018-03-19 | 2018-10-12 | 郑州大学 | A kind of uniform gas distribution transitional brick of hot-blast stove |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |
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| WD01 | Invention patent application deemed withdrawn after publication |