CN206599534U - A kind of combined type dry quenched coke oven chute bracket structure - Google Patents
A kind of combined type dry quenched coke oven chute bracket structure Download PDFInfo
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- CN206599534U CN206599534U CN201720252687.7U CN201720252687U CN206599534U CN 206599534 U CN206599534 U CN 206599534U CN 201720252687 U CN201720252687 U CN 201720252687U CN 206599534 U CN206599534 U CN 206599534U
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- protection structure
- chute bracket
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Abstract
A kind of combined type dry quenched coke oven chute bracket structure; the chute bracket masonry built by laying bricks or stones successively from bottom to up includes outer layer protection structure, internal layer supportive body; provided with buffering seam between outer layer protection structure and internal layer supportive body; it is fixedly connected between outer layer protection structure and internal layer supportive body by expansion bolt; or special type structure post is set in outer layer protection structure, by being fixedly connected with the two in internal layer supportive body embedded build by laying bricks or stones of special type structure post.The beneficial effects of the utility model are：The outer layer protection structure of heat-resistant antifriction castable can be effectively resistant to washes away from coke, circulating current; can also tolerable temperature fluctuation be gentle rushes influence of the temperature fluctuation to internal layer supportive body; internal layer supportive body washes away and temperature fluctuation because avoiding air-flow, coke; the stress form of script can be kept to avoid the generation of stress concentration, extend chute bracket main body service life.
Description
Technical field
The utility model is related to coking field, more particularly to a kind of combined type dry quenched coke oven chute bracket structure.
Background technology
Compared with traditional wet quenching, CDQ has low energy, environmental protection, can improve coke quality
Effect, therefore be increasingly widely applied.
Coke dry quenching furnace is as the key equipment in CDQ technology, from top to bottom including the area that prestores, annular passage area, tiltedly
Road area and cooling zone, the bracket in wherein chute area are the important features for supporting ringwall inside and outside coke dry quenching furnace.In dry coke quenching operation
During, because the load-bearing of bracket column is big, running temperature fluctuation is frequent, long-term by high-temperature coke in coke dry quenching furnace and containing coke powder
High temperature circulation air-flow the reason such as wash away, bracket column is easy to abrasion cracking, or even collapse.
Chute bracket column be by refractory material laying into masonry, be limited to the manufacture craft and execution conditions of resistance to material,
Build by laying bricks or stones chute bracket resistance to material be generally 15kg~40kg weight, thickness 100mm~300mm block refractory brick, each refractory brick by
Chamotte is bonded and built by laying bricks or stones.Because the mortar joint quantity between refractory brick on bracket column is more, during construction, baker, routine use,
Mortar joint turns into the weak link of bracket column.The loss of mud goes out originally stable bracket structure between the deformation of mortar joint and mortar joint
The situation of existing stress raisers, in turn results in fracturing and shearing off for refractory brick.Chute bracket column is in daily production run
Cheng Zhongxu is subjected to frequent temperature fluctuation, is washed away while being resistant to coke, circulating current, and severe use environment is that bracket is damaged
Another key factor.
In recent years coke dry quenching furnace maintenance practice have shown that, abrasion-proof and refractory pouring is obtained extensively in the reparation of coke dry quenching furnace bracket
General application simultaneously obtains good using effect.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art there is provided a kind of combined type dry quenched coke oven chute bracket knot
Structure, by carrying out blocking decomposition to bracket structure, makes different zones meet the functional requirement of chute bracket respectively, existing to solve
Have bracket column because stress raisers, temperature fluctuation frequently, abrasion wash away be broken, damage the problems such as.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of combined type dry quenched coke oven chute bracket structure, the chute bracket masonry built by laying bricks or stones successively from bottom to up includes outer
Layer protection structure, internal layer supportive body, provided with buffering seam, outer layer protection knot between outer layer protection structure and internal layer supportive body
It is fixedly connected between structure and internal layer supportive body by expansion bolt, or special type structure post is set in outer layer protection structure, is led to
Cross is fixedly connected with the two embedded build by laying bricks or stones of special type structure post in internal layer supportive body.
The width of the buffering seam is 0.5mm-25mm, and filling refractory fibre product or refractory wass are used in buffering seam
Buffer swelling stress and temperature fluctuation.
The outer layer protection structure is formed by connecting by the heat-resistant antifriction casting preformed block socket joint of multilayer, and it is stitched in socket joint
Between sliding joint and dilatation joint are set.
The thickness of the prefabricated section is 25mm-400mm.
The prefabricated section is more than the refractory brick for being used for building internal layer supportive body by laying bricks or stones.
Hole for the expansion bolt/square column/Tapered Column is preset with the outer layer protection structure.
Be reserved with the internal layer supportive body hole for the expansion bolt or with the special type structure post phase in outer layer protection structure
The special-shaped breach of cooperation.
Compared with prior art, the beneficial effects of the utility model are：
1) the outer layer protection structure of heat-resistant antifriction castable can be effectively resistant to washes away from coke, circulating current, also may be used
Rush influence of the temperature fluctuation to internal layer supportive body so that tolerable temperature fluctuation is gentle, at the same prefabricated section thickness is suitable and lumpiness compared with
Greatly, it is effectively reduced the quantity of mortar joint on bracket air-flow face.Above-mentioned protective effect can effectively reduce chute bracket because of bad working environments
Environment and breakage possibility.
2) internal layer supportive body is washed away and temperature fluctuation because avoiding air-flow, coke, and the stress form of script can be kept to keep away
Exempt from the generation of stress concentration, extend chute bracket main body service life.
Brief description of the drawings
Fig. 1 is combined type dry quenched coke oven chute bracket structure longitudinal section；
Fig. 2 is combined type dry quenched coke oven chute bracket structure A-A sectional views.
In figure：1- internal layer supportive bodies；2- outer layer protection structures；3- dilatation joints；4- buffering seams；5- expansion bolts；6- is different
Type constructional column；7- sliding joints.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As Figure 1-Figure 2, a kind of combined type dry quenched coke oven chute bracket structure, the chute ox built by laying bricks or stones successively from bottom to up
Leg masonry includes outer layer protection structure 2, internal layer supportive body 1, is set between outer layer protection structure 2 and internal layer supportive body 1
There is buffering seam 4, be fixedly connected between outer layer protection structure 2 and internal layer supportive body 1 by expansion bolt 5, or in outer layer protection
Special type structure post 6 is set in structure 2, by fixing the two in internal layer supportive body 1 embedded build by laying bricks or stones of special type structure post 6
Connection.
Combined type corbel structure of dry quenching chute of the present utility model is divided into internal layer supportive body 1 and outer layer protection structure 2
Two parts are constituted, and wherein outer layer protection structure 2 is used to realize that bracket is wear-resistant, resistance to coke powder, airflow scouring and resistance to temperature fluctuation
Functional requirement；Internal layer supportive body 1 is used to realize that bracket thermal coefficient of expansion is small, and resistance to compression shearing resistance supports coke dry quenching furnace inner and outer ring
The functional requirement of wall.Crossed in the bracket column root of internal layer supportive body 1 and top on dome brick be respectively equipped with groove so as to it is outer
Layer protection structure 2 cooperatively forms smooth coke dry quenching furnace inner surface, while constituting dilatation joint 3.
Internal layer supportive body 1 is formed by laying fireproof bricks, is bonded between brick and brick by chamotte, and encorbelmenting, it is vertical to build composition bracket by laying bricks or stones
Rod structure.Refractory brick can be using such as A grades of mullite carborundum, mullite andalusite, silicon nitride combined silicon carbide, beta silicon carbide
High withstand voltage intensity, the small coefficient of expansion, high thermal shock resistance material, top and its upper, annular air channel load are crossed to undertake chute.
The width of the buffering seam 4 is 0.5mm-25mm, and filling refractory fibre product or refractory wass are used in buffering seam 4
To buffer swelling stress and temperature fluctuation.Refractory fibre product can use ceramic fibre or aluminum silicate fibre product.
The outer layer protection structure 2 is formed by connecting by the heat-resistant antifriction casting preformed block socket joint of multilayer, in socket joint seam
Between sliding joint 7 and dilatation joint 3 are set.Transverse slot between two prefabricated sections up and down of socket joint connection is for absorbing expansion
Dilatation joint 3, longitudinal slot for buffering expansion sliding joint 7.
The thickness of the prefabricated section is 25mm-400mm.
The prefabricated section is more than the refractory brick for being used for building internal layer supportive body 1 by laying bricks or stones.Because prefabricated section is more than in for building by laying bricks or stones
The refractory brick of layer supportive body, so the prefabricated section number of plies of outer layer protection structure 2 can be less than the layer of the refractory brick of internal layer supportive body 1
Number, to reduce brickwork joint quantity.
Hole for the expansion bolt/special type structure post 6 is preset with the outer layer protection structure 2.Special type structure post 6 can be used
Square column as shown in Figure 2 and Tapered Column.
Be reserved with the internal layer supportive body 1 hole for the expansion bolt or with the special type structure post 6 in outer layer protection structure 2
The special-shaped breach being engaged.
Outer layer protection structure 2 is essentially the castable matter protectiveness shell of the bracket column of internal layer supportive body 1, from chute
Bracket is crossed below top, more than bracket root, the outside of internal layer supportive body 1 is coated on completely.Outer layer protection structure 2 is from bottom to top
2~7 layers can be divided into, levels are provided with bell and spigot frame to completely cut off outer loop air-flow or coke powder abutment joint and internal layer supportive body 1
Wash away.Fire-resistant abrasion-proof casting preformed block can bear the temperature fluctuation in chute area and coke abrasion in coke dry quenching furnace, and pour into a mould
It is in a thickness direction 25mm~400mm to expect prefabricated section, therefore the significantly greater than refractory brick of internal layer supportive body 1 that prefabricated section can be done
Size, to reduce the gap quantity between castable block.
The casting preformed block for constituting outer layer protection structure 2 is provided with special type structure post 6 or expansion bolt mounting hole to protect
Card casting preformed block is closely connected with internal layer supportive body 1.If setting the structure of special type structure post 6, phase on casting preformed block
The breach of respective shapes will be set by answering on the refractory brick marshalling of internal layer supportive body 1, the size of breach should ensure that on the refractory brick
Be not in serious stress concentration, at the same be also considered as avoiding because mortar joint compression and caused by column construction on casting preformed block
With the situation of refractory brick hardness extruding.If setting expansion bolt mounting hole or expansion bolt, corresponding internal layer on casting preformed block
Expansion bolt fixing hole should be reserved on the refractory brick of supportive body 1.
, can be leading if outer layer protection structure 2 is connected with internal layer supportive body 1 with expansion bolt in work progress
Construction internal layer supportive body 1, main body 1 to be supported completes to install outer layer protection knot in outer layer protection structure 2, installation process after maintenance
Provided with the wide buffering seams 4 of 0.5mm~25mm between structure 2 and internal layer supportive body 1, with refractory fibre product or fire clay in buffering seam 4
Slurry filling；, can internal layer supportive body if outer layer protection structure 2 is connected with internal layer supportive body 1 by special type structure post 6
1 construct with outer layer protection structure 2 simultaneously, and examination internal layer simultaneously and outer layer are needed in work progress builds precision by laying bricks or stones, meanwhile, internal layer branch
Support to stitch provided with buffering between main body 1 and outer layer protection structure 2 and filled in 4, buffering seam 4 with refractory fibre product or refractory wass, outside
The structure of special type structure post 6 and the corresponding breach of layer protection structure 2 coordinate when building by laying bricks or stones, should be filled between gap refractory fibre product with
Anti-gray, which is sewn under load to deform, makes the structure of special type structure post 6 hardness extruding refractory brick, causes stress concentration, is broken.
After the completion of dry quenched coke oven chute bracket column integral construction, using refractory wass or clay to outer layer protection structure 2
On gap (remove dilatation joint) and hole sealed, the globality and tightness of raising outer layer protection structure 2.
Claims (7)
1. a kind of combined type dry quenched coke oven chute bracket structure, it is characterised in that the chute bracket built by laying bricks or stones successively from bottom to up is built
Building body includes outer layer protection structure, internal layer supportive body, provided with buffering seam between outer layer protection structure and internal layer supportive body,
It is fixedly connected between outer layer protection structure and internal layer supportive body by expansion bolt, or sets special-shaped in outer layer protection structure
Constructional column, by being fixedly connected with the two in internal layer supportive body embedded build by laying bricks or stones of special type structure post.
2. a kind of combined type dry quenched coke oven chute bracket structure according to claim 1, it is characterised in that the buffering seam
Width be 0.5mm-25mm, buffering seam in filling refractory fibre product or refractory wass to buffer swelling stress and temperature
Fluctuation.
3. a kind of combined type dry quenched coke oven chute bracket structure according to claim 1, it is characterised in that the outer layer is protected
Protection structure is formed by connecting by the heat-resistant antifriction casting preformed block socket joint of multilayer, and sliding joint and expansion are set between socket joint seam
Seam.
4. a kind of combined type dry quenched coke oven chute bracket structure according to claim 3, it is characterised in that the prefabricated section
Thickness be 25mm-400mm.
5. a kind of combined type dry quenched coke oven chute bracket structure according to claim 3, it is characterised in that the prefabricated section
More than the refractory brick for building internal layer supportive body by laying bricks or stones.
6. a kind of combined type dry quenched coke oven chute bracket structure according to claim 1, it is characterised in that in the outer layer
Hole for the expansion bolt/special type structure post is preset with protection structure.
7. a kind of combined type dry quenched coke oven chute bracket structure according to claim 1, it is characterised in that in the internal layer
Hole for the expansion bolt or the special-shaped breach being engaged with the special type structure post in outer layer protection structure are reserved with supportive body.
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|---|---|---|---|
| CN201720252687.7U CN206599534U (en) | 2017-03-14 | 2017-03-14 | A kind of combined type dry quenched coke oven chute bracket structure |
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| CN201720252687.7U CN206599534U (en) | 2017-03-14 | 2017-03-14 | A kind of combined type dry quenched coke oven chute bracket structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833686A (en) * | 2017-03-14 | 2017-06-13 | 中冶焦耐(大连)工程技术有限公司 | A kind of combined type dry quenched coke oven chute bracket structure |
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2017
- 2017-03-14 CN CN201720252687.7U patent/CN206599534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833686A (en) * | 2017-03-14 | 2017-06-13 | 中冶焦耐(大连)工程技术有限公司 | A kind of combined type dry quenched coke oven chute bracket structure |
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