CN219907477U - Middle bolt hole structure for dry quenching - Google Patents
Middle bolt hole structure for dry quenching Download PDFInfo
- Publication number
- CN219907477U CN219907477U CN202321556954.1U CN202321556954U CN219907477U CN 219907477 U CN219907477 U CN 219907477U CN 202321556954 U CN202321556954 U CN 202321556954U CN 219907477 U CN219907477 U CN 219907477U
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- CN
- China
- Prior art keywords
- bricks
- brick
- gap
- bolt hole
- arch foot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010791 quenching Methods 0.000 title claims abstract description 23
- 230000000171 quenching effect Effects 0.000 title claims abstract description 23
- 239000011449 brick Substances 0.000 claims abstract description 153
- 210000002105 tongue Anatomy 0.000 claims abstract description 32
- 239000000571 coke Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model belongs to the technical field of dry quenching masonry structures, and particularly provides a middle keyhole structure for dry quenching, which comprises middle keyhole bricks, gap bricks, inner ring arch bricks and outer ring arch bricks, wherein the middle keyhole bricks comprise middle keyhole brick main bodies which are inverted quadrangular frustum pyramid-shaped, the gap bricks comprise gap brick main bodies, strip-shaped clamping tongues are integrally formed at the tops of front and rear side walls of the gap brick main bodies; the bricking junction adopts block tongue and draw-in groove complex mode, makes the arch bar brick atress more even, and the leakproofness is good, reduces the cracked probability of arch bar brick emergence, simultaneously, and well keyhole brick and the brick that continues to bricking on the arch bar brick can push down the deblocking of block tongue and draw-in groove, improves the whole sealed effect of well keyhole structure.
Description
Technical Field
The utility model belongs to the technical field of dry quenching masonry structures, and particularly provides a medium keyhole structure for dry quenching.
Background
The dry quenching furnace is a furnace body for cooling red coke through inert gas and comprises a cooling area, a chute area, an annular air duct area and a pre-storing area. The coke performs forward countercurrent heat exchange from top to bottom by inert gas.
Inert gas reaches more than 900 ℃ after heat exchange, and is converged in the annular air duct to flow to one-time dust removal. The annular air duct is in an environment of high-temperature hot air flow flushing. The middle bolt hole is arranged at the upper part of the annular air duct. The top air flow is high in temperature, large in scouring, and there are also situations where the mixed air knocks with it.
Currently, conventional center-hole bricks are resistant to thermal shock and have a structure as shown in FIG. 9. The conventional middle-keyhole bricks are combined bricks with a multi-layer structure, the bottom layer part is a whole brick, the middle layer and the top layer are formed by splicing and building four small bricks, and the peripheral brickwork is also a brick with smaller size.
Disclosure of Invention
In order to solve the defect problem of the brick structure, the utility model adopts the following technical scheme: the utility model provides a well keyhole structure of dry quenching, includes well keyhole brick, clearance brick, inner ring arch foot brick and outer loop arch foot brick, and inner ring arch foot brick and outer loop arch foot brick are the arc and build the brick, and a plurality of inner ring arch foot bricks end to end build the inner ring of dry quenching, and a plurality of outer ring arch foot bricks end to end build the outer loop of dry quenching, and the radius of inner ring is less than the outer loop, and a plurality of well keyhole bricks and a plurality of clearance brick are all built between inner ring and outer loop, and well keyhole brick and clearance brick are arranged in turn.
Further, the middle keyhole brick comprises a middle keyhole brick main body which is in an inverted quadrangular frustum shape, an annular clamping tongue is integrally formed on the periphery of the upper surface of the middle keyhole brick main body, and a middle keyhole is vertically arranged in the middle of the middle keyhole brick main body.
Further, the gap brick comprises a gap brick main body, strip-shaped clamping tongues are integrally formed at the tops of the front side wall and the rear side wall of the gap brick main body, the width and the thickness of the strip-shaped clamping tongues are the same as those of the annular clamping tongues, protruding edges are arranged at the bottoms of the front side wall and the rear side wall of the gap brick main body, and when the middle bolt hole brick is spliced with the gap brick, the left side and the right side of the annular clamping tongues of the middle bolt hole brick are buckled with the protruding edges of the gap bricks at the left side and the right side respectively.
Further, clamping grooves are formed in the upper surfaces of the inner ring arch foot bricks and the outer ring arch foot bricks, and the shapes of the clamping grooves are matched with the annular clamping tongues and the strip-shaped clamping tongues.
Further, the middle bolt hole brick, the gap brick, the inner ring arch foot brick and the outer ring arch foot brick are all integrally formed large building blocks.
Further, the side walls of the inner ring arch brick and the outer ring arch brick are inclined planes.
The beneficial effects of using the utility model are as follows:
the scheme discloses a novel middle keyhole structure for dry quenching, wherein the middle keyhole bricks, the gap bricks, the inner ring arch foot bricks and the outer ring arch foot bricks are integrated into a whole brick, the structure is more stable, the service life is longer, meanwhile, the construction amount of a masonry flow is reduced, the construction progress is accelerated, and the construction difficulty is reduced;
the middle bolt hole integral structure formed by masonry connection ensures that the arch foot bricks are more uniformly stressed, the annular masonry body at the middle bolt hole has good integral structure sealing performance, the probability of cracking the arch foot bricks is reduced, meanwhile, the middle bolt hole bricks and bricks continuously built on the arch foot bricks can press the blocking tongues and the blocking grooves to unseal, and the integral sealing effect of the middle bolt hole structure is improved;
the brick body structure in this scheme combines its construction of laying bricks or stones, adopts block tongue and draw-in groove complex mode, makes the arch bar brick atress more even, has reduced the cracked probability of arch bar brick emergence, simultaneously, the brick that continues to build on well keyhole brick and the arch bar brick can push down the deblocking of block tongue and draw-in groove, has improved the whole sealed effect of well keyhole structure, has prolonged well keyhole and well keyhole casing life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another embodiment of the present utility model;
FIG. 3 is a schematic diagram of the structure of the keyhole brick of the present utility model;
FIG. 4 is a top view of a keyhole brick of the present utility model;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic view of the structure of the gap brick of the present utility model;
FIG. 7 is another schematic view of the construction of the gap brick of the present utility model;
FIG. 8 is a schematic view of the construction of the inner and outer ring arch bricks of the present utility model;
FIG. 9 is a schematic diagram of a small brick type middle keyhole structure in the market;
the reference numerals include: 1-middle keyhole bricks; 101-a middle keyhole brick main body; 102-middle bolt holes; 103-annular clamping tongues; 2-gap bricks; 201-a gap brick body; 202-strip-shaped clamping tongues; 203-convex edge; 3-inner ring arch foot bricks; 4-outer ring arch foot bricks; 5-clamping groove.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-8, a middle bolt hole structure for dry quenching comprises a middle bolt hole brick 1, a gap brick 2, an inner ring arch foot brick 3 and an outer ring arch foot brick 4, wherein the inner ring arch foot brick 3 and the outer ring arch foot brick 4 are arc-shaped brickwork, a plurality of inner ring arch foot bricks 3 are connected end to form an inner ring for dry quenching, a plurality of outer ring arch foot bricks 4 are connected end to form an outer ring for dry quenching, the radius of the inner ring is smaller than that of the outer ring, a plurality of middle bolt hole bricks 1 and a plurality of gap bricks 2 are respectively built between the inner ring and the outer ring, and the middle bolt hole bricks 1 and the gap bricks 2 are alternately arranged;
the middle keyhole brick 1 comprises a middle keyhole brick main body 101, wherein the middle keyhole brick main body 101 is in an inverted quadrangular frustum pyramid shape, an annular clamping tongue 103 is integrally formed on the periphery of the upper surface of the middle keyhole brick main body 101, and a middle keyhole 102 is vertically arranged in the middle of the middle keyhole brick main body 101;
the gap brick 2 comprises a gap brick main body 201, strip-shaped clamping tongues 202 are integrally formed at the top of the front and rear side walls of the gap brick main body 201, the width and thickness of the strip-shaped clamping tongues 202 are the same as those of the annular clamping tongues 103, convex edges 203 are arranged at the bottoms of the front and rear side walls of the gap brick main body 201, and when the middle bolt hole brick 1 is spliced with the gap brick 2, the left and right sides of the annular clamping tongues 103 of the middle bolt hole brick 1 are respectively buckled with the convex edges 203 of the gap bricks 2 at the left and right sides of the middle bolt hole brick 1.
The upper surfaces of the inner ring arch foot bricks 3 and the outer ring arch foot bricks 4 are respectively provided with a clamping groove 5, the appearance of the clamping grooves 5 is matched with the annular clamping tongues 103 and the strip-shaped clamping tongues 202, and when the middle bolt hole bricks 1 and the gap bricks 2 are built between the inner ring and the outer ring, the front side and the rear side of the annular clamping tongues 103 and the strip-shaped clamping tongues 202 are embedded in the clamping grooves 5.
The side walls of the inner ring arch foot bricks 3 and the outer ring arch foot bricks 4 are inclined planes, and can be attached to the front side and the rear side of the middle bolt hole bricks 1 and the gap bricks 2.
Preferably, the middle keyhole brick 1, the gap brick 2, the inner ring arch foot brick 3 and the outer ring arch foot brick 4 are all large pre-sintered blocks, and the main components of the firing materials comprise silicon dioxide, aluminum oxide and silica fume.
The foregoing is merely exemplary of the present utility model, and many variations may be made in the specific embodiments and application scope of the utility model by those skilled in the art based on the spirit of the utility model, as long as the variations do not depart from the gist of the utility model.
Claims (6)
1. The utility model provides a well keyhole structure of dry quenching which characterized in that: the coke dry quenching device comprises middle bolt hole bricks, gap bricks, inner ring arch foot bricks and outer ring arch foot bricks, wherein the inner ring arch foot bricks and the outer ring arch foot bricks are arc-shaped brickwork, a plurality of inner ring arch foot bricks are connected end to form an inner ring for dry quenching, a plurality of outer ring arch foot bricks are connected end to form an outer ring for dry quenching, the radius of the inner ring is smaller than that of the outer ring, a plurality of middle bolt hole bricks and a plurality of gap bricks are all brickwork between the inner ring and the outer ring, and the middle bolt hole bricks and the gap bricks are alternately arranged.
2. The medium keyhole structure of dry quenching as recited in claim 1, wherein: the middle bolt hole brick comprises a middle bolt hole brick main body which is in an inverted quadrangular frustum shape, an annular clamping tongue is integrally formed on the periphery of the upper surface of the middle bolt hole brick main body, and a middle bolt hole is vertically formed in the middle of the middle bolt hole brick main body.
3. The medium keyhole structure of dry quenching as recited in claim 1, wherein: the gap brick comprises a gap brick main body, strip-shaped clamping tongues are integrally formed at the tops of the front side wall and the rear side wall of the gap brick main body, the width and the thickness of the strip-shaped clamping tongues are the same as those of the annular clamping tongues, convex edges are arranged at the bottoms of the front side wall and the rear side wall of the gap brick main body, and when the middle bolt hole brick is spliced with the gap brick, the left side and the right side of the annular clamping tongues of the middle bolt hole brick are respectively buckled with the convex edges of the gap bricks at the left side and the right side of the annular clamping tongues.
4. A medium keyhole structure for dry quenching as recited in claim 3, wherein: the upper surfaces of the inner ring arch foot bricks and the outer ring arch foot bricks are respectively provided with a clamping groove, and the appearance of each clamping groove is matched with the annular clamping tongue and the strip-shaped clamping tongue.
5. The medium keyhole structure of dry quenching as recited in claim 1, wherein: the middle bolt hole brick, the gap brick, the inner ring arch foot brick and the outer ring arch foot brick are all integrally formed large building blocks.
6. The medium keyhole structure of dry quenching as recited in claim 1, wherein: the side walls of the inner ring arch foot bricks and the outer ring arch foot bricks are inclined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321556954.1U CN219907477U (en) | 2023-06-19 | 2023-06-19 | Middle bolt hole structure for dry quenching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321556954.1U CN219907477U (en) | 2023-06-19 | 2023-06-19 | Middle bolt hole structure for dry quenching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219907477U true CN219907477U (en) | 2023-10-27 |
Family
ID=88431130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321556954.1U Active CN219907477U (en) | 2023-06-19 | 2023-06-19 | Middle bolt hole structure for dry quenching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219907477U (en) |
-
2023
- 2023-06-19 CN CN202321556954.1U patent/CN219907477U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |