CN207958414U - 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
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- CN207958414U CN207958414U CN201820365778.6U CN201820365778U CN207958414U CN 207958414 U CN207958414 U CN 207958414U CN 201820365778 U CN201820365778 U CN 201820365778U CN 207958414 U CN207958414 U CN 207958414U
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- hot
- circular conical
- hole
- conical surface
- blast stove
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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 centerline axis parallel of the axis and regular hexagonal prism of six round edge through-holes,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 utility model is simple in structure,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 utility model belongs to kiln technical field, particularly relates to a kind of uniform gas distribution transitional brick of hot-blast stove.
Background technology
Currently, a kind of uniform gas distribution brick 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 improving in hot-blast stove
In the uniformity of radially and circumferentially upper Temperature Distribution, so that the thermal efficiency of hot-blast stove is improved, but match 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, urgency of the hot-blast stove because of gas flow paths between uniform gas distribution brick layer and blast funnace hot blast stove grid brick layer
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 of Combustion of Hot Air Furnace phase flame shakiness, there is the constraints or limitation by structure and gas flowing law
Disadvantage.
Invention content
The goal of the invention of the utility model：
Mainly for the above situation, to overcome the defect of the prior art, the purpose of the utility model to be just to provide one kind and subtract
When few blast funnace hot blast stove checker brick are used cooperatively with hot-blast stove with uniform gas distribution brick, hot-blast stove can be reduced with uniform gas distribution brick layer
With the blast funnace hot blast stove uniform gas distribution transitional brick of the hot-blast stove of air resistance between grid brick layer.
The technical solution of the utility model is：
A kind of uniform gas distribution transitional brick of hot-blast stove is provided, the shape of hot-blast stove uniform gas distribution transitional brick is that inside is set
There are one the regular hexagonal prism of the round edge through-holes of infundibulate central through hole and six, each edges and corners of regular hexagonal prism be equipped with
The tangent transition circle cambered surface of adjacent side, the centerline axis parallel of the axis and regular hexagonal prism of six round edge through-holes, funnel
Shape central 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 have 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
It is overlapped with the central axis of regular hexagonal prism, the radius of the big end opening of circular conical surface is between end face center and transition circle cambered surface midpoint
In the range of 7th/3rd to eight/4ths of distance, the point angle of circular conical surface is 85o~95o, each in circle edge through-hole
The radius of pitch cylinder where mandrel line regular hexagonal prism adjacent side extend cross spider and infundibulate central through hole axis it
Between distance half in the range of 3/4ths, the diameter of each circle edge through-hole is opened no more than the big end of circular conical surface
4/5ths of the radius of mouth and the difference of small end opening diameter.
The utility model has the beneficial effects that：
The utility model is simple in structure, can reduce gas and flow through blast furnace lattice brick used for hot-blast stove layer and the uniform cloth of hot-blast stove
Fluid resistance loss between gas brick layer improves the stability of burning operation in the Combustion of Hot Air Furnace phase, reduces air-supply for phase blasting period
Fan resistance, and then reduce air blower power consumption, to improve blast furnace air quantity it is significant.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the upward view of the utility model.
Fig. 3 is when the utility model is used cooperatively with blast funnace hot blast stove checker brick and hot-blast stove with uniform gas distribution brick
Schematic diagram.
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 implementation mode
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1 to Fig. 3, the shape of the utility model is to be internally provided with an infundibulate central through hole 1 and six circles
Each edges and corners of the regular hexagonal prism 3 of shape edge through-hole 2, regular hexagonal prism 3 are equipped with the transition circle cambered surface tangent with adjacent side,
The centerline axis parallel of the axis and regular hexagonal prism 3 of six round edge through-holes 2, infundibulate central through hole 1 is by circular conical surface 4 and circle
Cylinder 5 is constituted, 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 circular conical surface 4 and cylindrical surface 5
Have smooth transition cambered surface at cross spider, the central axis of circular conical surface 4, the central axis and regular hexagonal prism 3 on cylindrical surface 5 center
Axis 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, each where the central axis of circle edge through-hole 2
The radius of pitch cylinder extends two of distance between cross spider and 1 axis of infundibulate central through hole in 3 adjacent side of regular hexagonal prism
In the range of 3/1 mono- to four, the diameter of each circle edge through-hole 2 is not more than the radius of the big end opening of circular conical surface 4
And 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 are 230mm, transition arc
Radius be 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
The diameter of 50mm, six round edge through-holes 2 in regular hexagonal prism 3 are 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, the small of funnel-shaped hole 1 of the utility model is opened
Downward, upward, level is paved on blast funnace hot blast stove checker brick 7 at big opening end, the small open end of funnel-shaped hole 1 at mouth end
The through-hole on cylindrical surface 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
It is communicated with other through-holes correspondence of checker brick 7, then paves at the big opening end of hot-blast stove uniform gas distribution brick 6 in this reality downwards
On novel, hot-blast stove uniform gas distribution brick 6, the utility model and blast funnace hot blast stove checker brick 7 central axis weight
It closes, end face cooperation is close, side consistency from top to bottom, and when air-flow flows from below to up, gas is first from blast funnace hot blast stove checker brick 7
Through-hole flows into the utility model, the guide functions of funnel-shaped hole 1 and six edge circular through holes 2 through the utility model into
Enter to hot-blast stove in uniform gas distribution brick 6, then uniform gas distribution is realized in 6 layers of uniform gas distribution brick of hot-blast stove.Air-flow from upper and
It when lower flowing, is flowed into the cavity of the utility model with 6 big opening end of uniform gas distribution brick through hot-blast stove, air-flow is new through this practicality
The shunting function of the funnel-shaped hole 1 of type and six edge circular through holes 2 enters the heat of the blast furnace under the utility model
The gas channel of wind furnace checker brick 7, no matter air-flow flows from top to bottom or from bottom to top in this way, can play shunting, water conservancy diversion
Effect, is greatly reduced gas and flows through fluid resistance loss between accumulation of heat grid brick layer and uniform gas distribution brick layer.
The utility model is simple in structure, can reduce gas and flow through blast furnace lattice brick used for hot-blast stove layer and the uniform cloth of hot-blast stove
Fluid resistance loss between gas brick layer improves the stability of burning operation in the Combustion of Hot Air Furnace phase, reduces air-supply for phase blasting period
Fan resistance, and then reduce air blower power consumption, to improve blast furnace air quantity it is significant.
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）The cylindrical surface and（5）It constitutes, 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）The cylindrical surface and（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.
2. the uniform gas distribution transitional brick of a kind of hot-blast stove according to claim 1, which is characterized in that the circular conical surface
（4）Point angle be 115o~125o。
3. the uniform gas distribution transitional brick of a kind 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 |
|---|---|---|---|
| CN201820365778.6U CN207958414U (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 |
|---|---|---|---|
| CN201820365778.6U CN207958414U (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 |
|---|---|
| CN207958414U true CN207958414U (en) | 2018-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820365778.6U Expired - Fee Related CN207958414U (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) | CN207958414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220517A (en) * | 2018-03-19 | 2018-06-29 | 郑州大学 | A kind of uniform gas distribution transitional brick of hot-blast stove |
-
2018
- 2018-03-19 CN CN201820365778.6U patent/CN207958414U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220517A (en) * | 2018-03-19 | 2018-06-29 | 郑州大学 | A kind of uniform gas distribution transitional brick of hot-blast stove |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |