CN201540026U - Precast brick for inner liner of rotary kiln - Google Patents
Precast brick for inner liner of rotary kiln Download PDFInfo
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- CN201540026U CN201540026U CN2009200916328U CN200920091632U CN201540026U CN 201540026 U CN201540026 U CN 201540026U CN 2009200916328 U CN2009200916328 U CN 2009200916328U CN 200920091632 U CN200920091632 U CN 200920091632U CN 201540026 U CN201540026 U CN 201540026U
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- inner liner
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Abstract
The utility model relates to a precast brick for an inner liner of a rotary kiln used for smelting iron oxide pellets, comprising a precast brick body which is internally provided with at least one cavity used for fixing the precast brick; the cavity is through from the bottom surface to a working surface; the precast brick is not provided with a metal anchoring component in advance and can be fixed on a rotary kiln cylinder, so that the manufacturing technique of the precast brick can be simplified, a precast part can be processed at high temperature of more than 1000 DEG C, and the internal structure of the precast brick is improved; and when the precast brick is used for building the liner of the kiln, the using quantity of the metal anchoring components can be reduced, the kiln skin temperature is reduced, the power consumption of a rotary kiln system is reduced, the construction time is shortened simultaneously, and the service life of refractory material of the inner liner of the rotary kiln is prolonged.
Description
Technical field
The utility model relates to a kind of inner liner of rotary kiln preformed bricks, particularly relates to a kind of inner liner of rotary kiln preformed bricks of smelting iron acid pellet.
Background technology
Inner liner of rotary kiln generally adopts strip with preformed bricks at present, its cross section is the hexahedron of isosceles trapezoid, or for cross section be that fan-shaped hexahedron of isosceles or cross section are the hexahedron of rectangle, this kind preformed bricks is provided with metal anchorage in brick body inside, the preformed bricks production process complexity of this kind structure, because metal anchorage is embedded in the preformed bricks when pre-formed, and stretch out outside the brick body at two ends, easy oxidation when high-temperature process, influenced the high-temperature process temperature of preformed bricks, preformed bricks metal anchorage consumption is big, because the metal anchorage thermal conductivity factor is big, cause kliner coating temperature height, generally all more than 300 ℃, cause barrel distortion after cylinder of rotary kiln is heated, too high kliner coating temperature causes system capacity consumption big, and welding capacity is big during this kind structure construction, and relatively difficulty is removed also in maintenance.The utility model patent that the patent No. 200620050088.9, name are called " rotary kiln " discloses a kind of inner liner of rotary kiln preformed bricks, there is not the built-in metal anchoring piece in this preformed bricks, preformed bricks has hook hole on the composition surface, metal anchorage one end welding cylinder of rotary kiln one end hook is lived the preformed bricks hook hole, metal anchorage of this patent hooks adjacent preformed bricks simultaneously, it is bigger that two adjacent brick bodies are subjected to the influence of anchoring piece to build the slit by laying bricks or stones, and metal anchorage is easily by the thermal current oxidation, and dismounting construction safety hidden danger is bigger.Therefore, a kind of problem that can overcome above pre existing brickmaking existence is eager to develop in market, and production process is simple, can reduce the kliner coating temperature, is convenient to construction and dismounting again, can prolong the rotary kiln novel rotary kiln preformed bricks in service life.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art and a kind of rotary kiln preformed bricks is provided, not establishing metal anchorage in the preformed bricks in advance just can be fixed on the cylinder of rotary kiln, simplify the preformed bricks manufacture craft, make prefabricated component can carry out the internal organizational structure that high-temperature process more than 1000 ℃ is improved preformed bricks, when building kiln lining by laying bricks or stones, preformed bricks reduces the consumption of metal anchorage, reduce the kliner coating temperature, reduce the rotary system energy consumption, shorten the engineering time simultaneously, increase the service life of inner liner of rotary kiln refractory material.
The purpose of this utility model is achieved in that and comprises and offer the cavity that at least one is used for fixing this preformed bricks in preformed bricks brick body interior by preformed bricks brick body, this cavity from the bottom surface to the working face up/down perforation.
In the cavity of this preformed bricks, be provided with a pressing plate platform.
The cavity horizontal cross-section of this preformed bricks is circular, square or other shapes.
That described preformed bricks cavity is the pressing plate platform is big with top, the pressing plate platform is with the little cavity in lower part.
Described preformed bricks cavity be the pressing plate platform with top upwards diminish again then greatly, the pressing plate platform is with the little cavity in lower part.
The pressing plate platform of described preformed bricks cavity is bellmouth or cylindrical hole with the cavity of lower part.
The pressing plate platform of described preformed bricks cavity has a ring-shaped groove at least with the cavity inside on top.
Described preformed bricks is that cross section is the hexahedron of rectangle, the hexahedron or the fan-shaped hexahedron of isosceles of isosceles trapezoid.
This inner liner of rotary kiln preformed bricks internal cavities is to make the core identical with cavity shape with combustibles such as wood or plastic foams, and core is cast in preformed bricks inside when moulding by casting, and when high-temperature process, core burning back forms this internal cavities.This preformed bricks cavity also can adopt other the existing forming method moulding of present technique field.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod with the cylinder of rotary kiln steel plate, earlier screw rod is welded on the cylinder of rotary kiln steel plate, the preformed bricks cavity is packed on the screw rod, by nut pressing plate is pressed on the pressing plate platform, pull with cover preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity is sealed with material.
The beneficial effects of the utility model
1, the preformed bricks inside metal anchorage of not nuzzling in advance, production process is simple, can be higher than 1000 ℃ high-temperature process after the prefabricated component moulding.
Realize by screw rod when 2, installing and being connected of cylinder of rotary kiln, the internal screw negligible amounts, welding capacity is fewer, and is quick and easy for installation.
3, the metal consumption of internal screw is lower than the consumption of built-in metal anchoring piece, can reduce the kliner coating temperature, and during kiln lining thickness 250mm, the kliner coating temperature is lower than 220 ℃, has reduced system energy consumption.With cavity being sealed, avoided the high-temperature oxydation of screw rod with the material feeding of watering of preformed bricks with material.
4, cavity pressing plate platform top cavity changes into broad in the middle small in endsly or for a short time down greatly, has guaranteed the sealing property of sealing refractory material in the cavity and does not come off.
5, pressing plate platform lower part cavity bottom changes taper type into or greater than the cylindricality of pressing plate platform finish dimensional, is convenient to the installation of screw rod welding back preformed bricks, can guarantee stationarity and tightness that preformed bricks is installed.
6, cavity pressing plate platform top cavity inside can be provided with a groove at least, and fastness, the sealing that can strengthen the sealed cast material behind the groove are set.
The utility model preformed bricks internal cavities can also be other version, and the preformed bricks outer shape also can be made various deformation, and for example outer shape can have groove and faulting of slab ends.Pressing plate also can have claw.As long as there is cavity preformed bricks inside, cavity inside has the pressing plate platform, and installation is by nut pressing plate to be pressed in the fixing preformed bricks of mode on the pressing plate platform, all falls into protection domain of the present utility model.
Description of drawings
Fig. 1-the 1st, this inner liner of rotary kiln front section view of one of preformed bricks.
Fig. 1-2 is the left side cutaway view of Fig. 1-1.
Fig. 1-the 3rd, the vertical view of Fig. 1-1.
Fig. 1-the 4th, the installment state figure of Fig. 1-1.
Fig. 2-the 1st, this inner liner of rotary kiln is with two front section view of preformed bricks.
Fig. 2-the 2nd, the left side cutaway view of Fig. 2-1.
Fig. 2-the 3rd, the vertical view of Fig. 2-1.
Fig. 2-the 4th, the installment state figure of Fig. 2-1.
Fig. 3-the 1st, Fig. 2-the 1st, this inner liner of rotary kiln is with three front section view of preformed bricks.
Fig. 3-the 2nd, the left side cutaway view of Fig. 3-1.
Fig. 3-the 3rd, the vertical view of Fig. 3-1.
Fig. 3-the 4th, the installment state figure of Fig. 3-1.
Fig. 4-the 1st, this inner liner of rotary kiln is with four front section view of preformed bricks.
Fig. 4-the 2nd, the left side cutaway view of Fig. 4-1.
Fig. 4-the 3rd, the vertical view of Fig. 4-1.
Fig. 4-the 4th, the installment state figure of Fig. 4-1.
Fig. 5-the 1st, this inner liner of rotary kiln is with five front section view of preformed bricks.
Fig. 5-the 2nd, the left side cutaway view of Fig. 5-1.
Fig. 5-the 3rd, the vertical view of Fig. 5-1.
Fig. 5-the 4th, the installment state figure of Fig. 5-1.
Fig. 6-the 1st, this inner liner of rotary kiln is with six front section view of preformed bricks.
Fig. 6-the 2nd, the left side cutaway view of Fig. 6-1.
Fig. 6-the 3rd, the vertical view of Fig. 6-1.
Fig. 6-the 4th, the installment state figure of Fig. 6-1.
Fig. 7-the 1st, this inner liner of rotary kiln is with seven front section view of preformed bricks.
Fig. 7-the 2nd, the left side cutaway view of Fig. 7-1.
Fig. 7-the 3rd, the vertical view of Fig. 7-1.
Fig. 7-the 4th, the installment state figure of Fig. 7-1.
Fig. 8-the 1st, this inner liner of rotary kiln is with eight front section view of preformed bricks.
Fig. 8-the 2nd, the left side cutaway view of Fig. 8-1.
Fig. 8-the 3rd, the vertical view of Fig. 8-1.
Fig. 8-the 4th, the installment state figure of Fig. 8-1.
Fig. 9-the 1st, this inner liner of rotary kiln is with nine front section view of preformed bricks.
Fig. 9-the 2nd, the left side cutaway view of Fig. 9-1.
Fig. 9-the 3rd, the vertical view of Fig. 9-1.
Fig. 9-the 4th, the installment state figure of Fig. 9-1.
Figure 10-the 1st, this inner liner of rotary kiln is with ten front section view of preformed bricks.
Figure 10-the 2nd, the left side cutaway view of Figure 10-1.
Figure 10-the 3rd, the vertical view of Figure 10-1.
Figure 10-the 4th, the installment state figure of Figure 10-1.
Figure 11-the 1st, this inner liner of rotary kiln is with 11 front section view of preformed bricks.
Figure 11-the 2nd, the left side cutaway view of Figure 11-1.
Figure 11-the 3rd, the vertical view of Figure 11-1.
Figure 11-the 4th, the installment state figure of Figure 11-1.
Figure 12-the 1st, this inner liner of rotary kiln is with 12 front section view of preformed bricks.
Figure 12-the 2nd, the left side cutaway view of Figure 12-1.
Figure 12-the 3rd, the vertical view of Figure 12-1.
Figure 12-the 4th, the installment state figure of Figure 12-1.
Figure 13-the 1st, this inner liner of rotary kiln is with 13 front section view of preformed bricks.
Figure 13-the 2nd, the left side cutaway view of Figure 13-1.
Figure 13-the 3rd, the vertical view of Figure 13-1.
Figure 13-the 4th, the installment state figure of Figure 13-1.
The specific embodiment
Embodiment 1: to Fig. 1-4 the utility model inner liner of rotary kiln preformed bricks, be cuboid, i.e. rectangular hexahedron with reference to Fig. 1-1; Its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, and the pressing plate platform 2 of cavity 1 is circle with top and following part of horizontal cross section, cavity from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1310 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 212 ℃ for five times, 215 ℃, 210 ℃, 210 ℃, 220 ℃.
Embodiment 2: to Fig. 2-4 the utility model rotary kiln preformed bricks, be cuboid with reference to Fig. 2-1, its cross section is a rectangle; Do not bury anchorage element in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, and being with top and following partial cross section of cavity 1 pressing plate platform 2 is square, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by spiral shell 5 bars with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1380 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 210 ℃ for five times, 215 ℃, 212 ℃, 219 ℃, 218 ℃.
Embodiment 3: to Fig. 3-4 practical rotary kiln preformed bricks, be cuboid with reference to Fig. 3-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, and the pressing plate platform 2 of cavity 1 is up-small and down-big with the top cavity, cavity 1 horizontal cross-section is circle, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.The pressing plate platform 2 of cavity 1 waters material feeding sealing back difficult drop-off with the up-small and down-big usefulness of the cavity on top.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1370 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 217 ℃ for five times, 219 ℃, 216 ℃, 218 ℃, 218 ℃.
Embodiment 4: to Fig. 4-4 practical rotary kiln preformed bricks, be cuboid with reference to Fig. 4-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, pressing plate platform 2 upper cavity of cavity 1 are up-small and down-big, the pressing plate platform of cavity 12 times, cavity 1 cross section is square, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.The up-small and down-big usefulness of pressing plate platform 2 upper cavity of cavity 1 is watered material feeding sealing back difficult drop-off.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1320 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 215 ℃ for five times, 215 ℃, 219 ℃, 220 ℃, 218 ℃.
Embodiment 5: to Fig. 5-4 the utility model rotary kiln preformed bricks, be cuboid with reference to Fig. 5-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, pressing plate platform 2 tops of cavity 1 become two little broad in the middle, the pressing plate platform of described preformed bricks cavity is a bellmouth with the cavity of lower part, the pressing plate platform 2 that is cavity 1 is taper types with lower part bottom 7, and the horizontal cross-section of cavity 1 is circle, cavity from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.The anti-material of sealing was not easy to come off after cavity 1 pressing plate platform 2 tops became the little usefulness broad in the middle in two to water the material feeding sealing, and the 7 one-tenth taper types in bottom, cavity 1 pressing plate platform 2 lower parts are convenient to the installation of screw rod welding back preformed bricks.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1350 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 215 ℃ for five times, 210 ℃, 212 ℃, 220 ℃, 215 ℃.
Embodiment 6: to Fig. 6-4 the utility model rotary kiln preformed bricks, be cuboid with reference to Fig. 6-1, four faces of vertical bottom face are equipped with the faulting of slab ends structure, and its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, the pressing plate platform 2 of cavity 1 becomes two little broad in the middle with top, the pressing plate platform 2 of cavity 1 is taper types with bottom, lower part 7, cavity 1 cross section is circle, cavity from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.Adjacent preforms faulting of slab ends structure cooperatively interacts, and installs more fasteningly, and can play the effect of bent envelope.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1342 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 217 ℃ for five times, 218 ℃, 219 ℃, 215 ℃, 215 ℃.
Embodiment 7: to Fig. 7-4 the utility model rotary kiln preformed bricks, be cuboid with reference to Fig. 7-1, four faces of vertical bottom face are equipped with the faulting of slab ends structure, and its cross section is a rectangle; Do not bury anchorage element in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, cavity 1 pressing plate platform becomes two little broad in the middle with top, the pressing plate platform of described preformed bricks cavity is a cylindrical hole with the cavity of lower part, the pressing plate platform 2 that is cavity 1 is cylinder shapes with lower part bottom 7, and cavity 1 cross section is circle, cavity from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.Adjacent preforms faulting of slab ends structure cooperatively interacts, and installs more fasteningly, and can play the effect of bent envelope.The pressing plate platform 2 of cavity 1 are installations that cylinder shape is convenient to metal anchorage welding back preformed bricks with lower part bottom 7.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1345 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 218 ℃ for five times, 218 ℃, 210 ℃, 218 ℃, 215 ℃.
Embodiment 8: to Fig. 8-4 practical rotary kiln preformed bricks, be cuboid with reference to Fig. 8-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, the pressing plate platform 2 of cavity 1 has a ring-shaped groove 8 with the up big and down small inside of top cavity, groove 8 cross sections are semicircle, cavity 1 cross section is circle, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.There is a ring-shaped groove 8 the up big and down small inside of cavity 1 pressing plate platform, 2 upper cavity, seals the back difficult drop-off with watering material feeding, and good airproof performance.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1445 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 208 ℃ for five times, 218 ℃, 210 ℃, 217 ℃, 217 ℃.
Embodiment 9: to Fig. 9-4 practical rotary kiln preformed bricks, be cuboid with reference to Fig. 9-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, the upper cavity of the pressing plate platform 2 of cavity 1 is up big and down small, there is a square trench 8 inside, the cross section of groove 8 is semicircle, and the cross section of cavity 1 is circle, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.The upper cavity of the pressing plate platform 2 of cavity 1 is up big and down small, and there is a square trench 8 inside, seals the back difficult drop-off with watering material feeding, and good airproof performance.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1345 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 215 ℃ for five times, 220 ℃, 220 ℃, 215 ℃, 215 ℃.
Embodiment 10: to Figure 10-4 the utility model inner liner of rotary kiln preformed bricks, be cuboid with reference to Figure 10-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, cross section, cavity 1 pressing plate platform, 2 upper and lower is circle, there is a ring-shaped groove 8 cavity 1 inside, the cross section of groove 8 is semicircle, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1340 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 210 ℃ for five times, 215 ℃, 212 ℃, 215 ℃, 213 ℃.
Embodiment 11: to Figure 11-4 the utility model inner liner of rotary kiln preformed bricks, be cuboid with reference to Figure 11-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with one at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, cross section, cavity 1 pressing plate platform, 2 upper and lower is square, there is a square trench 8 cavity 1 inside, the cross section of groove 8 is semicircle, cavity 1 from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1240 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 210 ℃ for five times, 220 ℃, 212 ℃, 215 ℃, 213 ℃.
Embodiment 12: to Figure 12-4 the utility model rotary kiln preformed bricks, be cuboid with reference to Figure 12-1, its cross section is a rectangle; Do not bury anchoring piece in advance in preformed bricks inside, be provided with two at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, cavity 1 pressing plate platform 2 tops become two little broad in the middle, bottom, cavity 1 pressing plate platform 2 lower parts 7 is taper types, cavity 1 cross section is circle, cavity from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.Be provided with two and be used for fixing the cavity 1 that preformed bricks is used, with the fixing preformed bricks of two screw rods 5, fixing more firm.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1240 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 220 ℃ for five times, 205 ℃, 212 ℃, 220 ℃, 203 ℃.
In sum, there is cavity preformed bricks inside, and cavity inside has the pressing plate platform, by nut pressing plate is pressed in the structure that is connected on the cylinder of rotary kiln steel plate on the pressing plate platform during installation and builds rotary kiln by laying bricks or stones, brick-building art is simple, and construction fast and safely, the kliner coating temperature is low, and system energy consumption is low.
Embodiment 13: to Figure 13-4 the utility model rotary kiln preformed bricks, be cuboid with reference to Figure 13-1, its cross section is the type shape with a top gradient, its gradient according to the diameter of rotary kiln and divide goals for to change to some extent; Be provided with two at the preformed bricks middle part and be used for fixing the cavity 1 that preformed bricks is used, cavity 1 has a pressing plate platform 2, and cavity 1 pressing plate platform 2 tops become two little broad in the middle, and bottom, cavity 1 pressing plate platform 2 lower parts 7 is taper types, cavity 1 cross section is circle, cavity from the bottom surface to the working face up/down perforation.
This rotary kiln preformed bricks in use, the rotary kiln preformed bricks is connected by screw rod 5 with cylinder of rotary kiln steel plate 6, earlier screw rod 5 is welded on the cylinder of rotary kiln steel plate 6, preformed bricks cavity 1 is packed on the screw rod 5, by nut 4 pressing plate 3 is pressed on the pressing plate platform 2, with cage plate preformed bricks is compressed, use then with the water material feeding of preformed bricks cavity 1 is sealed with material.Be provided with two and be used for fixing the cavity 1 that preformed bricks is used, with the fixing preformed bricks of two screw rods 5, fixing more firm.
In the simulation use, kiln lining thickness 250mm, kiln temperature arrives 1250 ℃, and measure the kliner coating temperature with infrared thermometer and be respectively 218 ℃ for five times, 205 ℃, 215 ℃, 220 ℃, 205 ℃.
In sum, there is cavity preformed bricks inside, and cavity inside has the pressing plate platform, by nut pressing plate is pressed in the structure that is connected on the cylinder of rotary kiln steel plate on the pressing plate platform during installation and builds rotary kiln by laying bricks or stones, brick-building art is simple, and construction fast and safely, the kliner coating temperature is low, and system energy consumption is low.
Claims (8)
1. an inner liner of rotary kiln preformed bricks comprises preformed bricks brick body, it is characterized in that: offer the cavity that at least one is used for fixing this preformed bricks in preformed bricks brick body interior, this cavity from the bottom surface to the working face up/down perforation.
2. inner liner of rotary kiln preformed bricks according to claim 1 is characterized in that: be provided with a pressing plate platform in the cavity of this preformed bricks.
3. inner liner of rotary kiln preformed bricks according to claim 1 is characterized in that: the cavity horizontal cross-section of this preformed bricks is for circular, square.
4. inner liner of rotary kiln preformed bricks according to claim 2 is characterized in that: that described preformed bricks cavity is the pressing plate platform is big with top, the pressing plate platform is with the little cavity in lower part.
5. inner liner of rotary kiln preformed bricks according to claim 2 is characterized in that: described preformed bricks cavity be the pressing plate platform with top upwards diminish again then greatly, the pressing plate platform is with the little cavity in lower part.
6. according to claim 4 or 5 described inner liner of rotary kiln preformed bricks, it is characterized in that: the pressing plate platform of described preformed bricks cavity is bellmouth or cylindrical hole with the cavity of lower part.
7. inner liner of rotary kiln preformed bricks according to claim 2 is characterized in that: the pressing plate platform of described preformed bricks cavity has a ring-shaped groove at least with the cavity inside on top.
8. inner liner of rotary kiln preformed bricks according to claim 1 is characterized in that: described preformed bricks is that cross section is the hexahedron of rectangle, the hexahedron or the fan-shaped hexahedron of isosceles of isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200916328U CN201540026U (en) | 2009-07-15 | 2009-07-15 | Precast brick for inner liner of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200916328U CN201540026U (en) | 2009-07-15 | 2009-07-15 | Precast brick for inner liner of rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN201540026U true CN201540026U (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200916328U Expired - Fee Related CN201540026U (en) | 2009-07-15 | 2009-07-15 | Precast brick for inner liner of rotary kiln |
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| CN (1) | CN201540026U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183151A (en) * | 2011-03-15 | 2011-09-14 | 江苏华信达特钢科技有限公司 | Internal cylinder for pre-heater cyclone, preparation method and special ceramic hanging pieces thereof |
| CN102278891A (en) * | 2011-08-18 | 2011-12-14 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| CN102853653A (en) * | 2011-06-30 | 2013-01-02 | 上海宝钢工业检测公司 | Stable kiln liner of asphalt rotary kiln |
| CN103528375A (en) * | 2013-09-26 | 2014-01-22 | 长兴国盛耐火材料有限公司 | Rapid-replacing type prefabricated piece |
| CN111561502A (en) * | 2020-04-10 | 2020-08-21 | 河北华丰能源科技发展有限公司 | Refractory material fixing structure and method |
-
2009
- 2009-07-15 CN CN2009200916328U patent/CN201540026U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183151A (en) * | 2011-03-15 | 2011-09-14 | 江苏华信达特钢科技有限公司 | Internal cylinder for pre-heater cyclone, preparation method and special ceramic hanging pieces thereof |
| CN102853653A (en) * | 2011-06-30 | 2013-01-02 | 上海宝钢工业检测公司 | Stable kiln liner of asphalt rotary kiln |
| CN102278891A (en) * | 2011-08-18 | 2011-12-14 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| CN102278891B (en) * | 2011-08-18 | 2012-12-19 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| CN103528375A (en) * | 2013-09-26 | 2014-01-22 | 长兴国盛耐火材料有限公司 | Rapid-replacing type prefabricated piece |
| CN111561502A (en) * | 2020-04-10 | 2020-08-21 | 河北华丰能源科技发展有限公司 | Refractory material fixing structure and method |
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