CN101614470B - Bin structure of electrode roasting furnace - Google Patents
Bin structure of electrode roasting furnace Download PDFInfo
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- CN101614470B CN101614470B CN200810011980XA CN200810011980A CN101614470B CN 101614470 B CN101614470 B CN 101614470B CN 200810011980X A CN200810011980X A CN 200810011980XA CN 200810011980 A CN200810011980 A CN 200810011980A CN 101614470 B CN101614470 B CN 101614470B
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- 239000011449 brick Substances 0.000 claims abstract description 192
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 241000397426 Centroberyx lineatus Species 0.000 claims description 21
- 239000002657 fibrous material Substances 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011468 face brick Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses an electrode roasting furnace in the field of the production of graphite electrodes, and particularly relates to a bin structure of the electrode roasting furnace. The bin structure of the electrode roasting furnace comprises side bins, bin lattice bricks and intermediate bins, wherein corner structures of the side bins are that: corner parts enclosed by the bin lattice bricks and a furnace chamber masonry are provided with corner bricks; the corner bricks are provided with flue gas holes; and two edges occluded by each corner brick and the bin lattice bricks are provided with expansion seams. The bin structure has the advantages that the bin structure effectively enhances the integral strength of the side bins; the bin structure can effectively prevent the corner parts of the side bins from cracking, and avoid the oxidation of roasted products caused by the leakage of a packing material; the bin structure can prevent the stress produced by the rise of the bins from damaging the bins; the bin structure can effectively improve the service life of the whole bin; and the bin structure can effectively eliminate the low-temperature dead corners of the corner parts of the side bins, greatly improve the uniformity of horizontal temperature in the whole furnace chamber, and is favorable for improving the quality of the roasted products.
Description
Technical field
The present invention relates to the electrode baking of graphite electrode production field, particularly relate to a kind of bin structure of electrode roasting furnace.
Background technology
The electrode baking hopper, be to adopt the hopper checker brick of multiple different model and bight special form brick to build by laying bricks or stones to form, the bight masonry of rim charge case particularly, in actual production, be subjected to effect from horizontal and vertical both direction thermal stress, very easily produce distortion and crack, very big for the influence of electrode baking service life, roasted product quality.
Existing electrode baking, the bight masonry of its rim charge case, adopted a kind of solid, special form brick inclined-plane contact structures slidably.This structure is utilized slidably inclined-plane of rim charge case bight special form brick from the purpose of preservative case checker brick, discharges from the horizontal and vertical thermal expansion thrust of hopper body, guarantees that the hopper checker brick do not produce to break under the thermal expansion stress effect.The shortcoming of this rim charge case corner structure is: 1, the composition unreasonable structure in rim charge case bight, and the inclined-plane slip measure that it adopts has worsened the stress of hopper checker brick on the contrary; 2, be " contacting firmly " structure between the bight special form brick of rim charge case and the furnace wall, do not take any stressed impact mitigation measure, buried hidden danger for rim charge case bight checker brick break; 3, on the big face checker brick and furnace wall contact-making surface of hopper, stay and established the thick dilatation joint of 20mm, allow the grid brick wall outwards to move when stressed again, can cause rim charge case bight nature " dehiscing "; 4, " contacting firmly " structure between rim charge case bight special form brick and the furnace wall causes hopper masonry under the high temperature to go up and is obstructed, and will be subjected to stress rupture to whole hopper masonry structure; 5, for above-mentioned reasons, when the checker brickwork in the hopper at high temperature produces when expanding, the most concentrated rim charge case bight of stress will at first occur breaking, and make constantly bleed a heatable brick bed face burning down at the bottom of the hopper of inserts in the hopper, further the breakage in aggravation rim charge case bight forms vicious circle; When 6, the breakage in rim charge case bight leakage material is serious, can cause the roasting product in the hopper to expose in flame, cause the product oxidation, the roasting waste product occur; 7, owing to structural restriction, the corner structure of its rim charge case is solid masonry, becomes the blind area of hopper checker brick pore size distribution, also just becomes the flue gas circulation blind area in the whole hopper, forms the low temperature dead angle, has caused hopper temperature inequality, influences the product roasting quality.
Summary of the invention
The present invention be exactly to provide in order to solve the problems of the technologies described above a kind of bin structure of electrode roasting furnace, purpose be solve existing electrode baking rim charge case corner structure unreasonable, do not have stressed impact mitigation measure, the problem at the rise that produces when being unfavorable for the hopper expanded by heating, low temperature dead angle that the bight solid masonry brings.
For the present invention that achieves the above object is achieved in that a kind of bin structure of electrode roasting furnace, comprise rim charge case, middle hopper and hopper checker brick, wherein the corner structure of rim charge case is: the bight that hopper checker brick and furnace chamber masonry surround is provided with angle brick, be provided with the flue gas hole on angle brick, two limits of angle brick and the interlock of hopper checker brick are provided with dilatation joint.
Be provided with the expansion hollow joint between described angle brick and hopper checker brick and the furnace chamber masonry, expansion hollow joint width is 3～50mm.
Be provided with trapezoidal plug and trapezoidal socket between two adjacent edges of described angle brick and the hopper checker brick.
The boss height of described trapezoidal plug is 5～60mm, and the angle on its trapezoidal side shape straight with it limit is 0.5～90 °; The depth of groove scope of trapezoidal socket is 5～60mm, and the angular range on its trapezoidal side and its three shapes limit is 0.5～90 °.
Described dilatation joint is the swallow-tail form dilatation joint.
Described flue gas hole connects the angle brick upper and lower surface, and the shape of flue gas hole is circle, rectangle, polygon or trapezoidal.
The diameter of described flue gas hole or size dimension scope are 10～200mm.
The upper and lower surface of described angle brick is respectively equipped with the mother-son mouth of position correspondence, and the cross sectional shape of mother-son mouth is semicircle, trapezoidal or triangle; The depth dimensions scope of the height of rim of the mouth boss or groove is 2～30mm.
The set mother-son mouth of described angle brick upper and lower surface is to be circular layout around flue gas hole rectangular arrangement or around the flue gas hole.
Filling refractory fibrous material in the described swallow-tail form dilatation joint.
The direction of the boss of described trapezoidal plug and the groove of trapezoidal socket, conversion successively when building by laying bricks or stones, ability direction unanimity during interlayer.
Described angle brick is identical with hopper checker brick thickness.
In the middle of the existing electrode baking hopper top structure also unreasonable, do not have stressed impact mitigation measure, the problem of the rise that produces when being unfavorable for the hopper expanded by heating.
In order to solve the technical problem of the middle hopper of above-mentioned existing electrode baking, the present invention adopts the middle hopper structure of following electrode baking.
Its top structure of hopper comprises furnace chamber masonry and top brick in the middle of described, wherein the top brick is connected with the hopper checker brick, be provided with the swallow-tail form dilatation joint at top brick and interlock place of hopper checker brick, be provided with the expansion hollow joint between middle hopper brick that top brick and hopper checker brick are formed and the furnace chamber masonry.
Described swallow-tail form dilatation joint be the trapezoidal plug that is provided with by top brick and three limits of hopper checker brick and trapezoidal socket mutually interlock form.
The boss altitude range of described trapezoidal plug is 5～60mm, and the angular range on its trapezoidal side shape straight with it limit is 1～90 °.
The depth of groove scope of described trapezoidal socket is 5～60mm, and the angular range on its trapezoidal side shape straight with it limit is 1～90 °.
Described top brick is provided with the flue gas hole that connects its upper and lower surface.
The shape of described flue gas hole is circle, rectangle, polygon or trapezoidal.
The diameter of described flue gas hole or size dimension scope are 10～200mm.
The upper and lower surface of described top brick is respectively equipped with mother-son mouth.
The cross sectional shape of described mother-son mouth is semicircle, trapezoidal or triangle.
The depth dimensions scope of the height of described mother-son mouth boss or groove is 2～30mm.
Described mother-son mouth is circular layout around flue gas hole rectangular arrangement or around the flue gas hole.
The width range of described expansion hollow joint is 3～50mm.
Filling refractory fibrous material in the described swallow-tail form dilatation joint.
The direction of the top brick of the trapezoid boss of described top brick and hopper checker brick and the direction of trapezoidal groove and levels and the trapezoid boss of hopper checker brick and trapezoidal groove is opposite.
Described hopper checker brick structure is as follows: the checker brick main body is provided with the checker brick hole that connects its upper and lower surface, is provided with rim of the mouth and female mouthful in the upper and lower surface of checker brick main body, is respectively equipped with trapezoidal plug and trapezoidal socket in the two ends of checker brick main body.
Described rim of the mouth is located at the upper surface of checker brick main body, and quantity is 1～6.
The cross sectional shape in described rim of the mouth is semicircle, trapezoidal or triangle; The altitude range in rim of the mouth is 2～30mm.
Described female mouth is located at the lower surface of checker brick main body, and quantity is 1～6.
Described female mouthful cross sectional shape is semicircle, trapezoidal or triangle, and the altitude range that line style is upright mouthful is 2～30mm.
The boss altitude range of described trapezoidal plug is 5～60mm, and its trapezoidal side and checker brick main center wire clamp angular region are 1～90 °.
The depth of groove scope of described trapezoidal socket is 5～60mm, and its trapezoidal side and checker brick main center wire clamp angular region are 1～90 °.
Described checker brick hole number scope is 1～5.
The present invention has the following advantages:
Electrode baking hopper of the present invention adopts the corner structure of above-mentioned rim charge case will effectively increase the bulk strength of rim charge case; And can effectively prevent rim charge case bight cracking, preventing that inserts from bleeding burns the high temperature that produced in the bottom flue gas passage at the bottom of the hopper to the further destruction of hopper, also can avoid simultaneously because inserts leaks the roasted product oxidation that causes; Guarantee freely to go up when whole hopper is heated, prevent the destruction of the stress of hopper rise generation hopper; Effectively improve the service life of whole hopper, and then prolong the service life of electrode baking, reduce the production cost of electrode baking; Effectively eliminate the low temperature dead angle in rim charge case bight, improve the horizontal temperature homogeneity in the whole furnace chamber greatly, help improving the roasted product quality.
Technique scheme of the present invention solved electrode baking rim charge case corner structure intensity difference, be easy to ftracture, the following inserts burning of furnace bottom a heatable brick bed face of bleeding along the crack when serious, the high temperature of generation cause striding the problem of collapsing at the bottom of the hopper; Also can influence problems such as electrode product quality simultaneously in order to solve the low temperature dead angle that this position solid construction causes.
Adopt the middle hopper top structure of said structure of the present invention to be provided with the swallow-tail form dilatation joint, with the bulk strength of hopper in the middle of effectively increasing at top brick and interlock place of hopper checker brick.Hopper top cracking in the middle of can effectively preventing, preventing that inserts from bleeding burns the high temperature that produced in the bottom flue gas passage at the bottom of the hopper to the further destruction of middle hopper, also can avoid simultaneously because inserts leaks the roasted product oxidation that causes.Can guarantee freely to go up when whole hopper is heated, prevent the destruction of the stress of hopper rise generation hopper.Can effectively improve the service life of whole hopper, and then prolong the service life of electrode baking, reduce the production cost of electrode baking.The horizontal temperature homogeneity in the whole furnace chamber is improved at the low temperature dead angle at hopper top greatly in the middle of can effectively eliminating, and helps improving the roasted product quality.
Adopt the present invention's trapezoidal plug of above-mentioned hopper checker brick structure and trapezoidal socket to make the upright brickwork joint on the hopper masonry be swallow-tail form, help stoping inserts to bleed in the brickwork joint of cracking, the brickwork joint that prevents to ftracture further enlarges.Employing the present invention makes each the piece checker brick on the hopper masonry, descends thereon between interlayer, adjacent checker brick, all is subjected to the brute force restriction of occlusion structure, has improved the globality and the non-deformability of hopper grid brick wall greatly.Will obviously prolong the service life of hopper masonry, and then prolong the service life of whole electrode baking, effectively reduce the electrode production cost.It is simple in structure, and is easy to implement.
Description of drawings
Fig. 1 is a bin structure of electrode roasting furnace floor map of the present invention.
Fig. 2 is the hopper left side TV structure schematic diagram of hopper top structure in the middle of the electrode baking of the present invention.
Fig. 3 is the facade structures schematic diagram of hopper checker brick of the present invention.
Fig. 4 is the Facad structure schematic diagram of hopper checker brick of the present invention.
Among the figure, 1, the furnace chamber masonry; 2, rim charge case; 3, expansion hollow joint; 4, angle brick; 5, hopper checker brick; 6, trapezoidal plug; 7, trapezoidal socket; 8, flue gas hole; 9, swallow-tail form dilatation joint; 10, middle hopper; 11, expansion hollow joint; 12, top brick; 13, hopper checker brick; 14, trapezoidal plug; 15, trapezoidal socket; 16, flue gas hole; 17, swallow-tail form dilatation joint; 18, checker brick main body; 19, checker brick hole; 20, female mouthful; 21, rim of the mouth; 22, trapezoidal plug; 23, trapezoidal socket.
The specific embodiment
Below the invention will be further described for the description by the specific embodiment, but protection scope of the present invention is not limit by embodiment.Those skilled in the art can make various modifications or improvement according to basic thought of the present invention, but only otherwise break away from basic thought of the present invention, all within the scope of the present invention.
As depicted in figs. 1 and 2, a kind of bin structure of electrode roasting furnace of the present invention, comprise rim charge case 2, hopper checker brick 5, middle hopper 10, wherein the corner structure of rim charge case 2 is: hopper checker brick 5 are provided with angle brick 4 with the bight that furnace chamber masonry 1 surrounds, on angle brick 4, be provided with flue gas hole 8, flue gas hole 8 connects angle brick 4 upper and lower surfaces, the shape of flue gas hole 8 is circular, rectangle, polygon or trapezoidal, the diameter of flue gas hole 8 or size dimension can be 10～200mm, passage as flow of flue gas, the following bottom flue gas passage of flue gas hole 8 and a heatable brick bed face brick at the bottom of the hopper is connected, to eliminate the low temperature dead angle in the rim charge case 2; Angle brick 4 is provided with dilatation joint with two limits of hopper checker brick 5 interlocks, dilatation joint is a swallow-tail form dilatation joint 9, filling refractory fibrous material in the swallow-tail form dilatation joint 9, the degree of depth is 50～300mm, to prevent that foreign material from falling into, angle brick 4 adopts refractory wass to build by laying bricks or stones with hopper checker brick 5 and forms, angle brick 4 has identical thickness with hopper checker brick 5, be provided with expansion hollow joint 3 between angle brick 4 and hopper checker brick 5 and the furnace chamber masonry 1, expansion hollow joint 3 width can be 3～50mm, be provided with trapezoidal plug 6 and trapezoidal socket 7 between two adjacent edges of angle brick 4 and the hopper checker brick 5, and respectively with the corresponding site interlock of adjacent hopper checker brick 5, the boss height of trapezoidal plug 6 can be 5～60mm, and the angle on its trapezoidal side shape straight with it limit is 0.5～90 °; The depth of groove of trapezoidal socket 7 is 5～60mm, the angle on its trapezoidal side and its three shapes limit is 0.5～90 °, the direction of the groove of the boss of trapezoidal plug 6 and trapezoidal socket 7, conversion successively when building by laying bricks or stones, ability direction unanimity when having only interlayer, so rim charge case bight does not connect hopper straight joint up and down; The upper and lower surface of angle brick 4 is respectively equipped with the mother-son mouth of position correspondence, in order to prevent the layering displacement of angle brick after stressed, guarantees that the exhaust gases passes at angle brick position is unimpeded, increases the structural strength of hopper masonry, and the cross sectional shape of mother-son mouth is semicircle, trapezoidal or triangle; The height of rim of the mouth boss or the depth dimensions of groove are 2～30mm, and the set mother-son mouth of angle brick 4 upper and lower surfaces is to be circular layout around flue gas hole 8 rectangular arrangement or around flue gas hole 8.
As shown in Figure 2, hopper 10 top structures were arranged on two top corner of the middle hopper 10 in the furnace chamber in the middle of the present invention planted electrode baking, and rim charge case 2 that it is adjacent together and gas well, a heatable brick bed face, a heatable brick bed pier etc. are together formed furnace chamber.Middle hopper 10 top structures are: it comprises furnace chamber masonry 1, middle hopper 10, top brick 12, top brick 12 is connected with hopper checker brick 13, be provided with swallow-tail form dilatation joint 17 in top brick 12 and 13 interlocks place of hopper checker brick, filling refractory fibrous material in the swallow-tail form dilatation joint 17, for to prevent that foreign material from falling into, the degree of depth of filling refractory fibrous material is good at 50～300mm, be provided with expansion hollow joint 11 between middle hopper brick that top brick 12 and hopper checker brick 13 are formed and the furnace chamber masonry 1, whole hopper at high temperature can freely be gone up, and the width range of expansion hollow joint 11 is 3～50mm.Above-mentioned swallow-tail form dilatation joint 17 be the trapezoidal plug 14 that is provided with by top brick 12 and three limits of hopper checker brick 13 and trapezoidal socket 15 mutually interlock form, the boss altitude range of trapezoidal plug 14 is 5～60mm, the angular range on its trapezoidal side shape straight with it limit is 1～90 °, the depth of groove scope of trapezoidal socket 15 is 5～60mm, and the angular range on its trapezoidal side shape straight with it limit is 1～90 °; Top brick 12 is provided with the flue gas hole 16 that connects its upper and lower surface, passage as flow of flue gas, to eliminate the low temperature dead angle in the rim charge case, the shape of flue gas hole 16 is circular, rectangle, polygon or trapezoidal, the diameter of flue gas hole 16 or size dimension scope are 10～200mm, the upper and lower surface of top brick 12 is respectively equipped with mother-son mouth, the cross sectional shape of mother-son mouth is semicircle, trapezoidal or triangle, the depth dimensions scope of the height of mother-son mouth boss or groove is 2～30mm, mother-son mouth is circular layout around flue gas hole 16 rectangular arrangement or around flue gas hole 16, and the direction of the top brick 12 of the trapezoid boss of top brick 12 and hopper checker brick 13 and the direction of trapezoidal groove and levels and the trapezoid boss of hopper checker brick 13 and trapezoidal groove is opposite; Top brick 12 has identical thickness with hopper checker brick 13.
As shown in Figure 3 and Figure 4, above-mentioned hopper checker brick 5,13 structure is as follows: checker brick main body 18 is provided with the checker brick hole 19 that connects its upper and lower surface, checker brick hole 19 quantitative ranges are 1～5, upper and lower surface in checker brick main body 18 is provided with rim of the mouth 21 and female mouth 20, rim of the mouth 21 is located at the upper surface of checker brick main body 18, quantity is 1～6, the cross sectional shape in rim of the mouth 21 is semicircle, trapezoidal or triangle, the altitude range in rim of the mouth 21 is 2～30mm, female mouthful 20 lower surface that is located at checker brick main body 18, quantity is 1～6, and female mouthful 20 cross sectional shape is semicircle, trapezoidal or triangle, the altitude range that line style is upright mouthful is 2～30mm; Rim of the mouth 21 is complementary with female mouthful 20; Two ends in checker brick main body 18 is respectively equipped with trapezoidal plug 22 and trapezoidal socket 23, the boss altitude range of trapezoidal plug 22 is 5～60mm, its trapezoidal side and checker brick main body 18 center line angular range are 1～90 °, the depth of groove scope of trapezoidal socket 23 is 5～60mm, and its trapezoidal side and checker brick main body 18 center line angular range are 1～90 °.
When building hopper by laying bricks or stones, the checker brick hole on each layer checker brick must consistency from top to bottom, forms several and penetrates into the following through hole of electrode baking a heatable brick bed face; Female mouth of checker brick lower surface is with the rim of the mouth interlock mutually of its lower floor's checker brick, the rim of the mouth of checker brick upper surface, with female mouthful of interlock mutually of its upper strata checker brick; The trapezoidal plug of checker brick, be adjacent the trapezoidal socket phase interlock of checker brick, the trapezoidal socket of checker brick is adjacent the plug phase interlock of checker brick, also forms the upright brickwork joint of swallow-tail form like this between the adjacent checker brick in the left and right sides, and this will strengthen the keying strength between adjacent checker brick greatly.The mother-son mouth of brick interlayer brickwork joint for sleeping in and the upright brickwork joint of swallow-tail form must adopt refractory wass to fill bonding up and down.
Claims (31)
1. bin structure of electrode roasting furnace, it comprises rim charge case (2), hopper checker brick (5) and middle hopper (10), the corner structure that it is characterized in that rim charge case (2) is: hopper checker brick (5) are provided with angle brick (4) with the bight that furnace chamber masonry (1) surrounds, be provided with flue gas hole (8) on angle brick (4), angle brick (4) is provided with dilatation joint with two limits of hopper checker brick (5) interlock; Described flue gas hole (8) connects angle brick (4) upper and lower surface.
2. bin structure of electrode roasting furnace according to claim 1 is characterized in that being provided with expansion hollow joint (3) between described angle brick (4) and hopper checker brick (5) and the furnace chamber masonry (1), and expansion hollow joint (3) width is 3～50mm.
3. bin structure of electrode roasting furnace according to claim 2 is characterized in that being provided with trapezoidal plug (6) and trapezoidal socket (7) between two adjacent edges of described angle brick (4) and the hopper checker brick (5).
4. bin structure of electrode roasting furnace according to claim 3 is characterized in that the direction of the groove of the boss of described trapezoidal plug (6) and trapezoidal socket (7), conversion successively when building by laying bricks or stones, direction unanimity just when having only interlayer.
5. bin structure of electrode roasting furnace according to claim 1 is characterized in that described dilatation joint is swallow-tail form dilatation joint (9).
6. bin structure of electrode roasting furnace according to claim 5 is characterized in that filling refractory fibrous material in the described swallow-tail form dilatation joint (9).
7. bin structure of electrode roasting furnace according to claim 1, the shape that it is characterized in that described flue gas hole (8) are circular, rectangle or trapezoidal; The diameter of flue gas hole (8) or size dimension are 10～200mm.
8. bin structure of electrode roasting furnace according to claim 1 is characterized in that the upper and lower surface of described angle brick (4) is respectively equipped with the mother-son mouth of position correspondence.
9. bin structure of electrode roasting furnace according to claim 8, the cross sectional shape that it is characterized in that described mother-son mouth are semicircle, trapezoidal or triangle.
10. bin structure of electrode roasting furnace according to claim 8 is characterized in that the height of rim of the mouth boss of described mother-son mouth or the depth dimensions of groove are 2～30mm.
11. bin structure of electrode roasting furnace according to claim 8 is characterized in that the set mother-son mouth of described angle brick (4) upper and lower surface is to be circular layout around flue gas hole (8) rectangular arrangement or around flue gas hole (8).
12. bin structure of electrode roasting furnace according to claim 1 is characterized in that described angle brick (4) is identical with hopper checker brick (5) thickness.
13. bin structure of electrode roasting furnace according to claim 1, the top structure that it is characterized in that described middle hopper (10) comprises top brick (12), top brick (12) is connected with hopper checker brick (13), be provided with swallow-tail form dilatation joint (17) in top brick (12) and hopper checker brick (13) interlock place, be provided with expansion hollow joint (11) between middle hopper brick that top brick (12) and hopper checker brick (13) are formed and the furnace chamber masonry (1); Described top brick (12) is provided with the flue gas hole (16) that connects its upper and lower surface.
14. bin structure of electrode roasting furnace according to claim 13, it is characterized in that described swallow-tail form dilatation joint (17) be the trapezoidal plug (14) that is provided with by top brick (12) and three limits of hopper checker brick (13) and trapezoidal socket (15) mutually interlock form.
15. bin structure of electrode roasting furnace according to claim 13, the shape that it is characterized in that the flue gas hole (16) on the described top brick (12) are circular, rectangle or trapezoidal.
16. bin structure of electrode roasting furnace according to claim 15 is characterized in that the diameter of the flue gas hole (16) on the described top brick (12) or size dimension scope are 10～200mm.
17. bin structure of electrode roasting furnace according to claim 13 is characterized in that the upper and lower surface of described top brick (12) is respectively equipped with mother-son mouth.
18. bin structure of electrode roasting furnace according to claim 17, the cross sectional shape that it is characterized in that described mother-son mouth are semicircle, trapezoidal or triangle.
19. bin structure of electrode roasting furnace according to claim 18 is characterized in that the height of described mother-son mouth boss or the depth dimensions scope of groove are 2～30mm.
20. bin structure of electrode roasting furnace according to claim 17 is characterized in that described mother-son mouth is circular layout around flue gas hole (16) rectangular arrangement or the flue gas hole on described top brick (12) on the top brick (12).
21. bin structure of electrode roasting furnace according to claim 13, the width range that it is characterized in that described expansion hollow joint (11) is 3～50mm.
22. bin structure of electrode roasting furnace according to claim 14 is characterized in that filling refractory fibrous material in the described swallow-tail form dilatation joint (17).
23. bin structure of electrode roasting furnace according to claim 22, the degree of depth that it is characterized in that described refractory fibrous material is 50～300mm.
24. bin structure of electrode roasting furnace according to claim 13, the trapezoid boss of the direction that it is characterized in that the trapezoid boss of described top brick (12) and hopper checker brick (13) and trapezoidal groove and the top brick (12) of levels and hopper checker brick (13) is opposite with the direction of trapezoidal groove.
25. according to claim 1 or 13 described bin structure of electrode roasting furnace, it is characterized in that described hopper checker brick structure is as follows: on checker brick main body (18), be provided with the checker brick hole (19) that connects its upper and lower surface, upper and lower surface in checker brick main body (18) is provided with rim of the mouth (21) He Mukou (20), is respectively equipped with trapezoidal plug (22) and trapezoidal socket (23) in the two ends of checker brick main body (18).
26. bin structure of electrode roasting furnace according to claim 25 is characterized in that described rim of the mouth (21) is located at the upper surface of checker brick main body (18), quantity is 1～6.
27. bin structure of electrode roasting furnace according to claim 25, the cross sectional shape that it is characterized in that described rim of the mouth (21) are semicircle, trapezoidal or triangle; The altitude range in rim of the mouth (21) is 2～30mm.
28. bin structure of electrode roasting furnace according to claim 25 is characterized in that described female mouthful (20) are located at the lower surface of checker brick main body (18), quantity is 1～6.
29. bin structure of electrode roasting furnace according to claim 25, the boss altitude range that it is characterized in that described trapezoidal plug (22) is 5～60mm, and its trapezoidal side and checker brick main body (18) center line angular range are 1～90 °.
30. bin structure of electrode roasting furnace according to claim 25, the depth of groove scope that it is characterized in that described trapezoidal socket (23) is 5～60mm, and its trapezoidal side and checker brick main body (18) center line angular range are 1～90 °.
31. bin structure of electrode roasting furnace according to claim 25, the quantitative range that it is characterized in that described checker brick hole (19) is 1～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810011980XA CN101614470B (en) | 2008-06-24 | 2008-06-24 | Bin structure of electrode roasting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810011980XA CN101614470B (en) | 2008-06-24 | 2008-06-24 | Bin structure of electrode roasting furnace |
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