CN102183141B - Rotary kiln and production system thereof - Google Patents
Rotary kiln and production system thereof Download PDFInfo
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- CN102183141B CN102183141B CN 201110103968 CN201110103968A CN102183141B CN 102183141 B CN102183141 B CN 102183141B CN 201110103968 CN201110103968 CN 201110103968 CN 201110103968 A CN201110103968 A CN 201110103968A CN 102183141 B CN102183141 B CN 102183141B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 92
- 238000007599 discharging Methods 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 238000005266 casting Methods 0.000 claims description 20
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The invention discloses a rotary kiln and a production system thereof. The rotary kiln comprises a cylinder (1); one end of the cylinder is a feeding port (11), and the other end of the cylinder is a discharge port (12); and the cylinder (1) is sequentially provided with a material pushing section (14), a parching section (15) and a discharge section (17) from the feeding port (11) to the discharge port (12). With the rotary kiln and the production system thereof provided by the invention, filler content can be increased and material returning can be prevented, and the production efficiency can be improved.
Description
Technical field
The present invention relates to the rotary kiln field, in particular to the rotary kiln with spiral pusher plate and production system thereof.
Background technology
In being the Chinese utility model patent application of CN200920302713, application number related to a kind of rotary kiln, Fig. 1 is the longitudinal sectional drawing of this utility model cylinder of rotary kiln, as shown in Figure 1, near kiln tail place helical baffle plates 2 ' is set at cylindrical shell 1 ' inwall, this dividing plate middle part hollow.Helical baffle plates be set be in order to increase inlet amount, simultaneously at the cylinder inboard wall of this rotary kiln except the zone that is provided with helical baffle plates, other zones also arrange the dividing plate 3 ' that extends to the cylindrical shell center, increase the purpose of conducting heat to reach the material of stirring when producing.But helical baffle plates is arranged on the zone near the kiln tail, and the position advantage that does not take full advantage of the charging aperture additional section is given full play to the pusher effect of helical baffle plates, so that this rotary kiln increases the inlet amount ability.
Simultaneously, in the existing internal heat type rotary kiln, the external wall temperature of kiln is high, and kilneye place variations in temperature is large, and the refractory material heat resistanceheat resistant vibration strength that adopt in this place is poor, comes off easily, thereby affects normally carrying out of producing.
For above problem, rotary kiln is proceeded research necessitate.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of rotary kiln, and the returning charge phenomenon when this rotary kiln can prevent charging is enhanced productivity thereby increase inlet amount, and the kilneye fire resistant material difficult drop-off of this rotary kiln.
In order to solve the problems of the technologies described above, according to an aspect of the present invention, a kind of rotary kiln is provided, comprise cylindrical shell, end on the cylindrical shell is charging aperture, the other end is discharging opening, and cylindrical shell is divided into pusher section, material copy section and discharging section successively from charging aperture to discharging opening, and the corresponding cylinder inboard wall of discharging section is smooth inner wall.
Further, the corresponding cylindrical shell inner wall surface of pusher section is provided with the spiral pusher plate.
Further, rotary kiln comprises the first backgauge platform, and the first backgauge platform is arranged in feed zone near a side of charging aperture, and the first backgauge platform is the ring rib that circumferentially extends along cylinder inboard wall.
Further, rotary kiln comprises the second backgauge platform, and the second backgauge platform is arranged in discharging section near a side of discharging opening, and the second backgauge platform is the ring rib that circumferentially extends along cylinder inboard wall.
Further, rotary kiln also comprises the lifting platform, and the lifting platform is arranged in the material copy section section; The lifting platform comprises a plurality of axially extended raised line that circumferentially distributes along cylinder inboard wall.
Further, rotary kiln comprises: kilneye cap iron, kilneye cap iron are arranged at the cylinder of rotary kiln discharging opening; Comprise the cylinder inboard wall setting that the first barrel, edge link to each other with discharging opening; End wall links to each other with the first barrel is vertical, and joins with the distolateral of barrel discharge hole; Skew wall, from the oblique extension in the junction of the first barrel and end wall, and skew wall arranges the right angle bending away from an end of cylindrical shell; The second barrel, an end links to each other with end wall is vertical, and the other end extends to the direction away from cylindrical shell.
Further, rotary kiln comprises: fibrolamellar covers on the cylinder inboard wall; The refractory casting material covers on the side of fibrolamellar away from cylindrical shell; Anchoring piece, an end is fixed on the cylinder inboard wall, and the other end extends and is fixed in the refractory casting material to refractory casting material and fibrolamellar.
Fibrolamellar is not limited to this among the present invention, specifically can also be the insulated pouring bed of material or the heat insulating sprayed bed of material.
Simultaneously, in another aspect of the present invention, also provide a kind of rotary kiln production system, comprised feed arrangement, heater and aforesaid rotary kiln.
Further, above-mentioned heater comprises: the combustion chamber is connected with the rotary kiln head-shield; Burner is arranged in the combustion chamber side away from cylinder of rotary kiln; The first blower fan links to each other with burner; The second blower fan links to each other with the combustion chamber.
Further, above-mentioned feed arrangement comprises: feed bin; The double helix measuring scale links to each other with feed bin discharge hole; The kiln feeding car, an end links to each other with the side of double helix measuring scale away from feed bin, and the other end stretches in the cylindrical shell of rotary kiln body; The kiln hood covers the spiral shell feeding car and gos deep into cylinder of rotary kiln interior an end and rotary kiln body charging aperture joint.
Further, above-mentioned rotary kiln comprises temperature measuring equipment, and temperature measuring equipment is arranged at combustion chamber and kiln head cover connecting place and is of coupled connections with the PLC adjusting apparatus that is arranged in the described burner.
Beneficial effect of the present invention is:
Cylinder of rotary kiln inwall provided by the invention is being discharging section near the discharging opening place, this section inner barrel inner surface is smooth, because temperature often was higher than 1000 ℃ when material entered this section, under this temperature, the material that easily is molten state can advance to form be assembled in that the lifting platform is attached, for avoiding this gathering, and and then prevent that the fused materials of assembling from forming caking around boss, thereby it is set to smooth surface.Can prolong like this cylindrical shell service life, improve the ability of rotary kiln processing materials, reduce the loss of material.
The spiral pusher plate is set in the cylinder of rotary kiln provided by the invention cooperates the backgauge platform of being located at kiln tail inwall, improve pan feeding speed when being convenient to pan feeding, increase feeding, the lifting platform that is arranged at the cylindrical shell middle-end can stir material when heating, increase material and conduct heat, enhance productivity; Rotary kiln discharging opening provided by the invention place all arranges break iron, because variations in temperature acutely comes off, affects production efficiency with the mould material that prevents this place; The present invention adopts refractory casting material and fibrolamellar compound as kiln body liner, thereby reduces the kiln outside wall temperature, prolongs the kiln whole service life, reaches simultaneously the purpose of energy savings.
The invention provides in the rotary kiln production system heater, to be positioned at kiln external, avoids material directly to contact with flame, and it is impaired to reduce finished product; Rotary kiln provided by the invention inserts temperature measuring equipment at cylindrical shell, so that each regional temperature is measured accurately in the kiln, is easy to regulate, and the material that adequately protects prevents superheated, and the process conditions that are particularly useful for new product are explored.In the production system provided by the invention, the double helix measuring scale links to each other with the PID adjusting apparatus, and the inlet amount regulation and control are convenient.
Description of drawings
Figure of description is used to provide a further understanding of the present invention, consists of a part of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows cylinder of rotary kiln longitudinal profile schematic diagram in the prior art;
Fig. 2 shows according to the vertical cross-sectional schematic of cylinder of rotary kiln in the embodiment of the invention;
Fig. 3 shows according to embodiment of the invention middle cylinder body feed end spiral pusher plate development schematic diagram;
Fig. 4 shows the cylindrical shell cross sectional representation according to material copy section part in a kind of embodiment of the invention;
Fig. 5 shows the cylindrical shell cross sectional representation according to material copy section part in the another kind of embodiment of the invention;
Fig. 6 shows the local enlarged diagram that A is ordered among Fig. 2;
Fig. 7 shows the local enlarged diagram that B is ordered among Fig. 2;
Fig. 8 shows the structural representation according to rotary kiln production system in the embodiment of the invention; And,
Fig. 9 shows according to feed arrangement operation principle schematic diagram in the embodiment of the invention.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Electric elements that the present invention uses are commercially available.
The material of mentioning in the embodiment of the invention is higher than 1000 ℃ of materials that easily are molten state for working as temperature, such as phosphate, and the materials such as magnesia.
Fig. 2 is cylinder of rotary kiln longitudinal profile view, by this figure as seen, the shape of pressing the set projection of cylindrical shell 1 inwall is different, from charging aperture 11 to discharging opening 12, the people is for being divided into pusher section 14, material copy section 15 and discharging section 17 successively for cylinder inboard wall, and cylindrical shell 1 inner wall surface of each section obtains corresponding shape by the cast of refractory casting material.
Fig. 3 is the inner barrel structure expanded view of pusher section 14 in the rotary kiln provided by the present invention, on this pusher section 14, spiral pusher plate 141 is set in the rotary kiln, and this spiral pusher plate 141 is for being distributed in the raised line that cylinder inboard wall distributes in the shape of a spiral.It is shown in Figure 8 that subsection setup has bracing or strutting arrangement 4(on the cylinder of rotary kiln outer wall), arbitrary bracing or strutting arrangement 4 one sides are provided with transmission device, and transmission device is connected with motor, and the effect by motor is so that the cylinder of rotary kiln rotation.Open the rotary kiln rear feeding, spiral pusher plate 141 is with cylindrical shell rotation, and material enter the cylindrical shell middle part, rather than only rest on charging place, thereby pan feeding efficient is improved under the when mounted effect of set gradient of spiral pusher plate 141 and cylindrical shell.
Fig. 4 is a kind of structure of material copy section 15 in the rotary kiln provided by the present invention, material copy section 15 cylinder inboard walls arrange lifting platform 151 in this structure, lifting platform 151 comprises along circumferential distribute a plurality of along the axially extended raised line of cylindrical shell of cylinder inboard wall, its cross-sectional structure has the structure of the right-angled trapezium of being illustrated in figure 4 as, it is that the structure of right-angled trapezium can not reduce under the prerequisite that stirs material efficient that lifting platform 151 is set to cross section, save mould material, save the cost of making rotary kiln.The height of lifting platform 151 is as the criterion material can be stirred.
Fig. 5 is the another kind of structure of material copy section 15 in the rotary kiln provided by the present invention, lifting platform 151 cross sections have isosceles trapezoidal structure as shown in Figure 5, it is set to isosceles trapezoidal structure can increase the lifting surface area that lifting platform 151 stirs material, improves the thermal efficiency of material.The cross-sectional structure that the invention provides the lifting platform is not limited to listed herein.
Among another embodiment, initial sum ending place in material copy section 15 arranges respectively temperature measuring equipment 16, temperature measuring equipment 16 links to each other with wireless signal transmitter measured temperature is transmitted to display screen in the central control room, so that the reaction that the temperature of material can be real-time is on display screen.Being provided with of temperature measuring equipment 16 is beneficial to accurate observing and controlling temperature of charge, because the heat exchange of material and hot-air is mainly in material copy section 15, thereby the temperature of material and gas can be controlled the quality of product in the Accurate Determining kiln.Aforementioned temperature measuring equipment 16 includes but not limited to thermocouple.
The corresponding cylindrical shell inner wall smooth of discharging section 17 is without projection in rotary kiln provided by the present invention.This section is near discharging opening 12, temperature of charge higher and be molten state more when arriving this section, fluid ability is poor, if the material copy device that lifting platform etc. has boss structure is set in this section, then the material of molten state easily gathers near boss, and the material that gathers after the long-time use of rotary kiln forms caking easily in this zone, and then affects the overall performance of rotary kiln, thereby rotary kiln production system provided by the invention, be particularly suited for processing the material that under 1350 ℃ of temperature, is molten state; On the other hand, material is light weight near discharging opening 12 time, and easily the material copy effect because of the lifting platform excessively disperses, and then the loss of material when increasing discharging; For avoiding the problems referred to above, this section of the present invention's rotary kiln inwall is set to smooth inner wall.
Cylinder of rotary kiln inwall of the present invention is spliced by polylith refractory casting material, on the face that the refractory casting material is in contact with one another in twos, difference relative set projection and depression, mould material arranges face that face and another piece mould material of projection arrange depression when assembling, can realize concavo-convex cooperation, adopt such design can make refractory casting material layer splicing more closely and difficult drop-off, can prevent in the kiln gas permeation simultaneously to kiln cylinder body and then corrosion cylindrical shell steel plate.
In another embodiment of the present invention, rotary kiln of the present invention also comprises the first backgauge platform 13 and the second backgauge platform 18, wherein, the first backgauge platform 13 is arranged in feed zone 14 near a side of charging aperture 11, and the first backgauge platform 13 is the ring rib that circumferentially extends along cylinder inboard wall.The second backgauge platform 18 is arranged in discharging section 17 near a side of discharging opening 12, and this second backgauge platform 18 is the ring rib that circumferentially extends along cylinder inboard wall.Backgauge platform structure as shown in Figure 2.Returning charge when in rotary kiln of the present invention, the first backgauge platform 13 being set preventing pan feeding near a side of charging aperture 11 is additional.This first backgauge platform 13 is arranged on close charging aperture 11 1 sides in the pusher section 14, then can further prevents the returning charge phenomenon, accelerate charging rate; The second backgauge platform 18 is arranged near the port of discharging opening 12, can play barrier effect to the material that enters cylindrical shell when discharging, increases filling rate in the kiln, improves the output of kiln.
In another embodiment of the present invention, this rotary kiln also has and is arranged at the distolateral break iron 121 of discharging opening 12, these break iron 121 structures as shown in Figure 6, Fig. 6 is the partial enlarged drawing that A is ordered among Fig. 2.This break iron 121 comprises the first barrel, the second barrel, end wall and skew wall.Wherein the first barrel is along the cylinder inboard wall setting that links to each other with discharging opening 12, and end wall links to each other with the first barrel is vertical, and joins with the distolateral of barrel discharge hole 12.Skew wall is from the oblique extension in the junction of the first barrel and end wall, and its end away from cylindrical shell is provided with the right angle bending.One end of the second barrel links to each other with end wall is vertical, and the other end extends to the direction away from cylindrical shell.As shown in Figure 6, break iron 121 first barrels by screw fastening on cylindrical shell 1, break iron 121 is away from a pouring fireproof material of cylindrical shell 1, break iron 121 weld anchor firmware 122 on the one side of refractory casting material, and anchoring piece 122 can make the refractory casting material rotate with cylindrical shell aborning.Break iron 121 is set slows down internal-external temperature difference to the impact of refractory casting material 123, because the skew wall of break iron 121 stretches in the mould material, hold mould material by its bending away from cylindrical shell one end, avoid that the refractory casting material comes off when the temperature acute variation.
In another embodiment of the present invention, cylinder of rotary kiln 1 inner surface of the present invention circumferentially sets gradually fibrolamellar 19 and refractory casting material 123 to the cylindrical shell center.Concrete structure as shown in Figure 7, Fig. 7 is the local enlarged diagram of B point among Fig. 2.Wherein anchoring piece 122 1 ends are fixed on the cylinder inboard wall, and the other end extends and is fixed in the refractory casting material 123 to refractory casting material 123 and fibrolamellar 19.Such design energy so that refractory casting material 123 and fibrolamellar 19 when producing, rotate with cylindrical shell so that refractory casting material 123 better performance stir or advance the effects of material; Fibrolamellar 19 is the performance insulation effects better, prevent that heat is loose outward, reduce the barrel outer surface temperature, and energy savings prolongs cylindrical shell service life.
Aforementioned fibers flaggy 19 can also be insulated pouring layer or the sprayed coating of lightweight.
In the serialization production process, since cylinder of rotary kiln when operation relative material and heater 3 rotate, for reducing material and adding the loss of hot-air in turnover cylinder of rotary kiln process, thereby in the present invention, kiln hood 23 is the column type cover of internal run-through, wherein an end links to each other with rotary kiln charging aperture 11, and the other end links to each other with kiln feeding car 24, and in the junction sealing device is set respectively; Kiln head cover 31 is identical with kiln hood 23 structures among the present invention, by the gas outlet of kiln head cover 31 UNICOM's discharging openings 12 with heater 3, and sealing device is set respectively in the junction, the sealing device can but be not limited to spring steel plate, kiln hood 23 and kiln head cover 31 do not rotate with cylinder of rotary kiln in the production.
Fig. 8 illustrates rotary kiln production system schematic diagram, and as seen from the figure, the rotary kiln production system comprises cylinder of rotary kiln 1, feed arrangement 2 and heater 3.Material enters cylinder of rotary kiln 1 by feed arrangement 2, and the hot-air that produces with heater 3 carries out after the heat exchange respective reaction occuring, and after kiln body internal reaction is complete, moves to discharging opening 12 dischargings.
Finished product transports finishing room to from discharging opening 12 after production system is as shown in Figure 8 processed, and material is through wind cooling temperature lowering, to make things convenient for the processing of next procedure therebetween.Hot-air leaves rotary kiln from kiln hood 23 away from the outlet on ground, utilizes its waste heat preheating material after entering the drying tower drying.The material ash enters feed arrangement continuation use from an end on kiln head cover 31 close ground, to take full advantage of material.
Fig. 8 illustrates, be sidelong away from one of cylindrical shell at rotary kiln discharging opening 12 and put heater 3, this heater 3 comprises burner, combustion chamber, the first blower fan and the second blower fan, the combustion chamber is arranged at that discharging opening 12 is distolateral to link to each other with kiln head cover 31, the combustion chamber is inner cylinder with chamber, and burner is arranged in the combustion chamber away from a side of cylindrical shell.Burner links to each other with fuel-supply pipe and links to each other with the first blower fan, and the first blower fan is used for blasting combustion air in burner, the combustion air that the first blower fan blasts, after the burner ignition, oxygen wherein is consumed, and remainder can not be heated by the flame by combustion-supporting gas, enters in the combustion chamber; The second blower fan links to each other with the combustion chamber, is used for blasting dilution air.The gas temperature that enters in the combustion chamber through burning is higher, for reducing gas temperature to adapt to the needs for the treatment of material, thereby need in the combustion chamber, to mix cold air, after temperature is reduced to preset range, through being positioned at heater 3 near the hot air outlet of discharging opening 12 1 sides, enter contrary material flow in the rotary kiln and on, material is carried out heating and calcining.
Kiln head cover 31 links to each other with the gas outlet of heater 3 away from a side of rotary kiln discharging opening 12, heater 3 is provided with temperature measuring equipment 311 near kiln head cover 31 places, temperature measuring equipment 311 transfers to measured temperature signal in the burner PLC controller, preset corresponding heating-up temperature scope according to the material difference of processing in the PLC controller, when institute's acknowledge(ment) signal was excess Temperature, then the PLC controller was automatically turned burner flame down and then is reduced gas temperature in the combustion chamber; When institute's acknowledge(ment) signal is that temperature is crossed when low, then the PLC controller tunes up gas temperature burner flame and then rising combustion chamber in automatically, thereby realization is to the accurate control of heated air temperature.
Wherein PLC is the programmable logic controller (PLC) of digital operation operation electronic system.
Add thermal material by hot gas, can avoid material directly to contact with flame, thereby avoid the material local temperature too high, reduce the overtemperature calcining to the infringement of material.
Also adopted feed arrangement as shown in Figure 9 among another embodiment, feed arrangement comprises feed bin 22, double helix measuring scale 21, kiln feeding car 24 and kiln hood 23.Double helix measuring scale 21 setting that links to each other with the lower end discharging opening of feed bin 22, convenient control inlet amount.Spiral feeding car 24 1 ends link to each other with the side of double helix measuring scale 21 away from feed bin 22 discharging openings, and the other end passes kiln head cover 23 and gos deep in the kiln body.Wherein, kiln hood 23 covers the joint that spiral shell feeding car 24 gos deep into the charging aperture 11 of a end in the cylinder of rotary kiln 1 and rotary kiln.Feed arrangement 2 places on the dolly of provided with wheels, so that whole device conveniently moving.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. rotary kiln, comprise cylindrical shell (1), end on the described cylindrical shell is charging aperture (11), the other end is discharging opening (12), it is characterized in that: described cylindrical shell (1) is divided into pusher section (14), material copy section (15) and discharging section (17) successively from charging aperture (11) to discharging opening (12); The corresponding cylinder inboard wall of described discharging section (17) is smooth inner wall.
2. described rotary kiln according to claim 1, it is characterized in that: the corresponding cylinder inboard wall of described pusher section (14) is provided with spiral pusher plate (141).
3. rotary kiln according to claim 1, it is characterized in that: described rotary kiln comprises the first backgauge platform (13), described the first backgauge platform (13) is arranged in described pusher section (14) near a side of described charging aperture (11), and described the first backgauge platform (13) is the ring rib that circumferentially extends along cylinder inboard wall.
4. rotary kiln according to claim 1, it is characterized in that: described rotary kiln also comprises the second backgauge platform (18), described the second backgauge platform (18) is arranged in described discharging section (17) near a side of described discharging opening (12), and described the second backgauge platform (18) is the ring rib that circumferentially extends along cylinder inboard wall.
5. rotary kiln according to claim 1, it is characterized in that: described rotary kiln also comprises lifting platform (151), described lifting platform (151) is arranged in described material copy section (15) section; Described lifting platform (151) comprises a plurality of axially extended raised line that circumferentially distributes along cylinder inboard wall.
6. rotary kiln according to claim 1, it is characterized in that: described rotary kiln also comprises break iron (121), described break iron (121) is arranged at cylinder of rotary kiln discharging opening (12), comprising:
The first barrel is along the cylinder inboard wall setting that links to each other with described discharging opening (12);
End wall, with described vertical linking to each other of the first barrel, and with distolateral the joining of described barrel discharge hole (12);
Skew wall, from the oblique extension in the junction of described the first barrel and described end wall, and described skew wall is provided with the right angle bending away from an end of described cylindrical shell (1);
The second barrel, an end links to each other with described end wall is vertical, and the other end extends to the direction away from described cylindrical shell (1).
7. rotary kiln according to claim 1, it is characterized in that: described rotary kiln comprises:
Fibrolamellar (19) covers on the inwall of described cylindrical shell (1);
Refractory casting material (123) covers on the side of described fibrolamellar (19) away from described cylindrical shell (1); Anchoring piece (122), an end is fixed on the cylinder inboard wall, and the other end extends and is fixed in the refractory casting material to described refractory casting material (123) and fibrolamellar (19).
8. rotary kiln production system, it is characterized in that: described rotary kiln production system comprises each described rotary kiln among feed arrangement (2), heater (3) and the claim 1-7.
9. production system according to claim 8, it is characterized in that: described heater (3) comprising:
The combustion chamber is connected with the kiln head cover (31) of described rotary kiln;
Burner is arranged in the described combustion chamber side away from cylinder of rotary kiln (1);
The first blower fan links to each other with described burner;
The second blower fan links to each other with described combustion chamber.
10. production system according to claim 8, it is characterized in that: described feed arrangement (2) comprising:
Feed bin (22);
Double helix measuring scale (21) links to each other with the discharging opening of described feed bin (22);
Kiln feeding car (24), an end links to each other with the side away from feed bin (22) of described double helix measuring scale (21), and the other end stretches in the cylindrical shell (1) of described rotary kiln;
Kiln hood (23) covers the joint that described kiln feeding car (24) gos deep into the charging aperture (11) of the interior end of described cylinder of rotary kiln (1) and described rotary kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110103968 CN102183141B (en) | 2011-04-26 | 2011-04-26 | Rotary kiln and production system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110103968 CN102183141B (en) | 2011-04-26 | 2011-04-26 | Rotary kiln and production system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102183141A CN102183141A (en) | 2011-09-14 |
| CN102183141B true CN102183141B (en) | 2013-04-17 |
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| CN 201110103968 Active CN102183141B (en) | 2011-04-26 | 2011-04-26 | Rotary kiln and production system thereof |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557691B (en) * | 2013-11-22 | 2015-09-30 | 黄石市建材节能设备总厂 | Environment-friendlytandem tandem type dries calcining kiln |
| CN104457222A (en) * | 2014-11-26 | 2015-03-25 | 广西鱼峰水泥股份有限公司 | Construction method for kiln mouth guard iron |
| CN106440771B (en) * | 2016-10-27 | 2019-03-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of rotary kiln device with augmentation of heat transfer, drying and burning effect |
| CN108020080A (en) * | 2017-11-28 | 2018-05-11 | 江苏环宇冶金科技有限公司 | A kind of metallurgy rotary furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2662173Y (en) * | 2003-12-10 | 2004-12-08 | 李存昌 | Rotary kiln |
| CN2795766Y (en) * | 2005-06-17 | 2006-07-12 | 徐向成 | Rotary kiln inner lining with support leg and inner lining prefabricated block |
| CN2856897Y (en) * | 2005-12-05 | 2007-01-10 | 张兴国 | Simple linned rotary kiln |
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