CN110526602B - Mixing lime kiln with fuel layering treatment function - Google Patents
Mixing lime kiln with fuel layering treatment function Download PDFInfo
- Publication number
- CN110526602B CN110526602B CN201810501469.1A CN201810501469A CN110526602B CN 110526602 B CN110526602 B CN 110526602B CN 201810501469 A CN201810501469 A CN 201810501469A CN 110526602 B CN110526602 B CN 110526602B
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- Prior art keywords
- fuel
- lime
- limestone
- feed divider
- kiln
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- 239000000446 fuel Substances 0.000 title claims abstract description 109
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 57
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 57
- 239000004571 lime Substances 0.000 title claims abstract description 57
- 238000002156 mixing Methods 0.000 title claims abstract description 13
- 235000019738 Limestone Nutrition 0.000 claims abstract description 71
- 239000006028 limestone Substances 0.000 claims abstract description 71
- 238000002485 combustion reaction Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 23
- 239000004449 solid propellant Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 claims 1
- 238000001354 calcination Methods 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 18
- 239000002956 ash Substances 0.000 description 10
- 238000009826 distribution Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000010882 bottom ash Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/108—Treatment or selection of the fuel therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/12—Preheating, burning calcining or cooling in shaft or vertical furnaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to the field of lime production, in particular to a mixing lime kiln with a fuel layering treatment function, which comprises a kiln body, wherein a grate is arranged in the kiln body, a distributing device is arranged on the upper side of the grate, the distributing device comprises at least one distributing plate, the distributing plate is detachably connected with the inner wall of the kiln body, and a plurality of through holes for raw materials to pass through are formed in the distributing plate, so that fuel and limestone led into the kiln body by a distributing mechanism pass through the screening of the distributing plate, and the fuel and limestone with overlarge volumes cannot enter a combustion area in the kiln body, so that the volumes of the fuel and the limestone entering the combustion area in the kiln body are uniform, the full contact of the fuel and the limestone is facilitated, the heat energy generated by the fuel combustion is effectively utilized, the fuel consumption is reduced, the resource waste is avoided, meanwhile, the lime is also facilitated to be calcined to prepare the lime due to the full contact of the limestone and the calcination time is reduced, the fuel consumption is further reduced, and the energy is saved.
Description
Technical Field
The invention relates to the field of lime production, in particular to a mixing type lime kiln with a fuel layering treatment function.
Background
Lime is used as an important auxiliary material for industrial production, is widely applied to various industries such as metallurgy, chemical industry, environmental protection, building materials and the like, the lime is generally prepared by calcining limestone by solid fuel such as coal, coke and the like by using the conventional mixed lime kiln, the conventional mixed lime kiln generally adopts a kiln top feeding and kiln bottom ash discharging structure, the mixed fuel and limestone are guided into a kiln body provided with a grate by a distributing mechanism, the fuel and the limestone are sprayed on the grate, air is guided from the lower side of the grate, combustion of the fuel is maintained, and the lime is prepared by calcining the limestone by using the fuel.
However, since both the solid fuel and the limestone have a block structure with a certain volume, the block structures of the solid fuel and the limestone are not uniform, the solid fuel with a larger volume can be burned for a longer time, but the combustion heat in the center of the fuel cannot be well transferred to the limestone, so that the heat generated by the combustion of the fuel cannot be fully utilized, certain fuel waste is caused, and meanwhile, the limestone with a larger volume has a larger surface area, and the contact area with the fuel is generally smaller, so that the calcination time of the limestone is prolonged, the fuel consumption is increased, and the resource saving is not facilitated.
In view of the above, there is a need for a technical solution to solve the technical problem that the heat generated by fuel combustion cannot be fully utilized due to the non-uniform block structure of solid fuel and limestone in the conventional mixing lime kiln, the calcination time of limestone is prolonged, the fuel consumption is increased, and the fuel is wasted.
Disclosure of Invention
The invention aims at: aiming at the technical problems that the existing common mixed lime kiln has uneven block structures of solid fuel and limestone, so that the heat generated by fuel combustion cannot be fully utilized, the calcination time of the limestone is prolonged, the fuel consumption is increased, and the fuel is wasted, the mixed lime kiln with the fuel layering treatment function is provided.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a compounding formula limekiln with fuel layering processing function, includes the kiln body, be provided with the grate in the kiln body, the grate upside is provided with feed divider, feed divider includes at least one feed divider, feed divider and the detachable connection of kiln body inner wall, be provided with a plurality of through-holes that are used for the raw materials to pass through on the feed divider.
According to the mixed lime kiln with the fuel layering treatment function, the material distributing device is arranged on the upper side of the grate in the kiln body, so that fuel and limestone which are introduced into the kiln body by the material distributing mechanism are screened by the material distributing plate, and the fuel and limestone with overlarge volumes cannot enter a combustion area in the kiln body, so that the volumes of the fuel and the limestone which enter the combustion area in the kiln body are uniform, the full contact of the fuel and the limestone is facilitated, the heat energy generated by the fuel combustion is effectively utilized, the fuel consumption is reduced, the resource waste is avoided, and meanwhile, the limestone is fully contacted with the fuel, the lime is accelerated to be calcined to prepare lime, the calcination time is shortened, the fuel consumption is further reduced, and the energy is saved.
Preferably, the number of the distributing plates is at least two, and the through holes on two adjacent distributing plates gradually decrease along the top to the bottom of the kiln body. Adopt a plurality of feed plates for the raw materials is through many times screening, is favorable to making the volume of fuel and limestone on each feed plate suited, guarantees the abundant burning of fuel, and the heat energy that the burning produced is effectively utilized by the limestone, and the waste of the furthest reduction resource, resources are saved, simultaneously, because the through-hole on two adjacent feed plates reduces gradually for along kiln body top to bottom, the great fuel of volume and limestone are through the blocking effect of feed plate in proper order, split after fully preheating on each feed plate, and the volume reduces the back and reentrant combustion area of lower side feed plate in order, makes the fuel and limestone in the combustion area fully contact, guarantees the abundant burning of fuel, further improves lime output.
Preferably, the distributing plate is provided with a groove, and a stirring mechanism for crushing raw materials is arranged in the groove. Set up the recess in dividing the flitch to set up rabbling mechanism in the recess, make fuel and lime stone from last down falling into in the recess, receive rabbling mechanism's stirring effect, promote the division of fuel and lime stone, reduce the volume of fuel and lime stone, further guarantee the volume of entering the fuel and the lime stone of burning region even, guarantee the abundant burning of fuel, improve lime output, resources are saved.
Preferably, the stirring mechanism comprises a rotating shaft and a convex rib, and two ends of the rotating shaft are respectively and rotatably connected with the side wall of the groove. Setting up the rabbling mechanism including rotation axis and bead, the structure is simpler, and fuel and lime stone receive the blocking effect of bead at the in-process of falling, but on the one hand striking bead makes fuel and lime stone broken, and on the other hand also can be with the potential energy conversion of fuel and lime stone landing for rabbling mechanism pivoted kinetic energy, makes the rotation axis rotate, further drives bead rotatory stirring fuel and lime stone, makes the fuel combustion that gets into the combustion zone abundant, improves lime output, resources are saved.
Preferably, the rib is spirally provided on the rotation shaft in a length direction of the rotation shaft. The spiral rib structure arranged on the rotating shaft is simpler, can bear larger impact force generated by falling of fuel and limestone, and ensures smooth rotation of the stirring mechanism.
Preferably, the groove is in a hollow prismatic table shape with a large upper part and a small lower part, a plurality of through holes are formed in the side wall of the groove, and the bottom of the groove is in a net-shaped structure. The hollow prismatic table-shaped groove is arranged, so that fuel and limestone with smaller volumes can directly enter a lower-layer combustion area through the through holes formed in the groove, the fuel and limestone with larger volumes enter the combustion area through the reticular structure at the bottom of the groove after being processed by the stirring mechanism, the volume of raw materials on the grate is further uniform, the limestone is fully contacted with the fuel, the fuel is fully combusted, and the lime yield is improved.
Preferably, the grate is provided with a plurality of distributing pieces for paving raw materials, each distributing piece is hollow cone-shaped, and the top ends of the distributing pieces face the center of the groove. The hollow cone-shaped material distributing part is arranged on the fire grate, so that the whole surface area of the fire grate is increased, the raw materials paved on the material distributing part are distributed uniformly and are not easy to stack, the raw materials can be fully contacted with the introduced air, the full combustion of the solid fuel is ensured, and the lime yield obtained by calcination is higher.
Preferably, the distributing piece is provided with a plurality of ventilation holes, and the lower side of the fire grate is provided with a gas transmission channel communicated with an external gas supply device. The material distributing part on the fire grate is provided with the ventilation holes, so that the introduced air is dispersed by the ventilation holes and then enters the calcining chamber, the air flow contacted with the solid fuel is uniform, the full combustion of the solid fuel is further ensured, and the lime yield is improved.
Preferably, a baffle is further arranged at the lower side of the fire grate, the baffle is fixedly connected with the inner wall of the kiln body, a finished product outlet is formed in the baffle, a collecting chamber for collecting lime finished products is formed at the lower side of the baffle, an ash discharging opening capable of being opened and/or closed is formed at the bottom of the collecting chamber, a valve control assembly is arranged on the finished product outlet, and the valve control assembly is used for controlling the opening and/or closing of the finished product outlet. The baffle is arranged at the lower side of the fire grate, so that when the valve control assembly on the finished product outlet is closed, the collecting chamber for collecting the finished product is separated from the combustion area, and the finished product prepared in the combustion area can not continuously enter the collecting chamber when discharging ash, thereby avoiding the damage to workers caused by the dust generated by lime output on the one hand and causing dust pollution, and on the other hand, avoiding the influence of the high temperature of the combustion area at the upper side of the lime kiln on the other hand, and ensuring the smooth ash discharge of lime.
Preferably, the gas delivery channel is communicated with the space on the upper side of the partition plate. The gas transmission channel is communicated with the space on the upper side of the partition plate, so that the valve control assembly is closed during ash unloading, and the gas supply of the gas supply device is not required to be interrupted, so that the fuel is continuously combusted, the full combustion of the fuel is further ensured, and the resource waste is reduced.
In summary, by adopting the technical scheme, the mixing lime kiln with the fuel layering treatment function has the beneficial effects that:
1. the distribution device is arranged on the upper side of the grate in the kiln body, so that the fuel and limestone which are led into the kiln body by the distribution mechanism are screened by the distribution plate, and the fuel and limestone with overlarge volumes cannot enter the combustion area in the kiln body, so that the volumes of the fuel and limestone which enter the combustion area in the kiln body are uniform, the full contact of the fuel and the limestone is facilitated, the heat energy generated by the combustion of the fuel is effectively utilized, the fuel consumption is reduced, and the resource waste is avoided;
2. because the limestone is fully contacted with the fuel, the limestone is accelerated to be calcined to prepare lime, the calcination time is reduced, the fuel consumption is further reduced, and the energy is saved;
the other embodiments of the mixed lime kiln with the fuel layering treatment function have the beneficial effects that:
set up the recess in dividing the flitch to set up rabbling mechanism in the recess, make fuel and lime stone from last down falling into in the recess, receive rabbling mechanism's stirring effect, promote the division of fuel and lime stone, reduce the volume of fuel and lime stone, further guarantee the volume of entering the fuel and the lime stone of burning region even, guarantee the abundant burning of fuel, improve lime output, resources are saved.
Drawings
FIG. 1 is a schematic structural view of a mixing lime kiln with fuel stratification treatment function of the present invention;
FIG. 2 is a schematic view of the structure of section A-A of FIG. 1;
fig. 3 is a schematic view of the structure of section B-B in fig. 1.
Reference numerals
The kiln comprises a kiln body 1, an 11-collecting chamber, a 2-grate, a 21-distributing piece, a 22-vent hole, a 3-distributing device, a 31-distributing plate, a 32-through hole, a 33-groove, a 4-stirring mechanism, a 41-rotating shaft, a 42-convex rib, a 5-air supply device, a 6-air conveying channel, a 7-partition plate, a 71-finished product outlet, an 8-ash discharge hole and a 9-valve control assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-3, a mixing lime kiln with a fuel layering treatment function comprises a kiln body 1, wherein a grate 2 is arranged in the kiln body 1, a distributing device 3 is arranged on the upper side of the grate 2, the distributing device 3 comprises at least one distributing plate 31, the distributing plate 31 is detachably connected with the inner wall of the kiln body 1, a plurality of through holes 32 for raw materials to pass through are formed in the distributing plate 31, two layers of distributing plates 31 are preferably adopted in the embodiment, through holes 32 are formed in each layer of distributing plate 31, and the diameter of the through holes 32 in the upper distributing plate 31 is larger than that of the through holes 32 in the lower distributing plate 31.
According to the mixed lime kiln with the fuel layering treatment function, the material distributing device 3 is arranged on the upper side of the grate 2 in the kiln body 1, so that fuel and limestone which are led into the kiln body 1 by the material distributing mechanism are screened by the material distributing plate 31, the fuel and limestone which are overlarge in volume cannot enter a combustion area in the kiln body 1, the fuel and limestone which enter the combustion area of the kiln body are uniform in volume, the sufficient contact between the fuel and the limestone is facilitated, the heat energy generated by the fuel combustion is effectively utilized, the fuel consumption is reduced, the resource waste is avoided, meanwhile, the limestone is fully contacted with the fuel, the limestone is accelerated to be calcined to prepare lime, the calcination time is reduced, the fuel consumption is further reduced, the energy is saved, during the use, the raw materials which are formed by mixing the solid fuel and the limestone are respectively blocked by the two layers of the material distributing plate 31, the larger raw materials are blocked on the material distributing plate 31 after being fully preheated, the raw materials which are sequentially split by the lower side material distributing plate 31 enter the combustion area, the raw materials which enter the combustion area after the volume of the limestone is uniform, the limestone is fully contacted with the solid fuel, the generated by the heat energy which is fully combusted, the generated by the fuel is effectively utilized, the energy waste is also reduced, and the resource waste is fully saved, and the resource is fully utilized.
Example 2
As shown in fig. 1 to 3, the structure of the mixing lime kiln with fuel layering treatment function of the present embodiment is the same as that of embodiment 1, except that: the material distributing plate 31 is provided with a groove 33, a stirring mechanism 4 for crushing raw materials is arranged in the groove 33, the stirring mechanism 4 comprises a rotating shaft 41 and a convex rib 42, and two ends of the rotating shaft 41 are respectively and rotatably connected with the side wall of the groove 33.
According to the mixed lime kiln with the fuel layering treatment function, the grooves 33 are formed in the material separating plate 31, the stirring mechanism 4 is arranged in the grooves 33, so that fuel and limestone fall into the grooves from top to bottom, the stirring effect of the stirring mechanism 4 is achieved, splitting of the fuel and the limestone is promoted, the volumes of the fuel and the limestone are reduced, the volumes of the fuel and the limestone entering a combustion area are further guaranteed to be uniform, sufficient combustion of the fuel is guaranteed, lime yield is improved, resources are saved, and because the stirring mechanism 4 comprises the rotating shaft 41 and the convex ribs 42, the fuel and the limestone are blocked by the convex ribs 42 in the falling process, on one hand, the fuel and the limestone can be broken by the impact of the convex ribs 42, and on the other hand, potential energy of falling of the fuel and the limestone can be converted into kinetic energy of rotation of the stirring mechanism 4, so that the rotating shaft 41 can be further driven to rotate the convex ribs 42 to stir the fuel and the limestone, the volume of the raw materials is reduced, the volume of the fuel entering the combustion area is uniform, the combustion is full, the lime yield is improved, and resources are saved.
Preferably, the rib 42 is spirally provided on the rotation shaft 41 in a length direction of the rotation shaft 41. The rib 42 spirally arranged on the rotating shaft 41 has a simpler structure, can bear larger impact force generated by falling of fuel and limestone, and ensures smooth rotation of the stirring mechanism 4.
Preferably, the groove 33 is in a hollow prismatic table shape with a large upper part and a small lower part, a plurality of through holes 32 are formed in the side wall of the groove 33, and the bottom of the groove 33 is in a net structure. The hollow prismatic table-shaped groove 33 is arranged, so that fuel and limestone with smaller volume can directly enter a lower-layer combustion area through the through holes 32 formed in the groove 33, and the fuel and limestone with larger volume enter the combustion area through the reticular structure at the bottom of the groove 33 after being processed by the stirring mechanism 4 in the groove 33, so that the volume of raw materials on the grate 2 is more uniform, the limestone is fully contacted with the fuel, the full combustion of the fuel is ensured, and the lime yield is improved.
Example 3
As shown in fig. 1-3, the structure of the mixing lime kiln with fuel layering treatment function of the present embodiment is the same as that of embodiment 1-2, except that: the grate 2 is provided with a plurality of distributing pieces 21 for paving raw materials, the distributing pieces 21 are hollow cone-shaped, and the top ends of the distributing pieces 21 face to the center of the groove 33.
According to the mixed lime kiln with the fuel layering treatment function, the hollow conical material distributing piece 21 is arranged on the fire grate 2, the whole surface area of the fire grate 2 is increased, raw materials paved on the material distributing piece 21 are distributed uniformly and are not easy to stack, the mixed lime kiln can be fully contacted with introduced air, the full combustion of solid fuel is guaranteed, the lime yield produced by calcination is high, meanwhile, the top end of the material distributing piece 21 faces the center of the groove 33, raw materials output from the groove 33 drop onto the material distributing piece 21 from the top end of the material distributing piece, the material distribution is uniform, the raw materials are paved uniformly, the full combustion of the fuel is guaranteed, and the yield is improved.
Preferably, a plurality of ventilation holes 22 are arranged on the material distributing piece 21, and a gas transmission channel 6 communicated with an external gas supply device 5 is arranged on the lower side of the fire grate 2. The vent holes 22 are arranged on the distributing piece 21 on the fire grate 2, so that the introduced air is dispersed by the vent holes 22 and then enters the calcining area, the air flow contacted with the solid fuel is uniform, the full combustion of the solid fuel is further ensured, and the lime yield is improved.
Preferably, the lower side of the fire grate 2 is also provided with a baffle plate 7, the baffle plate 7 is fixedly connected with the inner wall of the kiln body 1, a finished product outlet 71 is arranged on the baffle plate 7, an aggregate chamber 11 for collecting lime finished products is formed at the lower side of the baffle plate 7, an ash discharging opening 8 capable of being opened and/or closed is arranged at the bottom of the aggregate chamber 11, a valve control assembly 9 is arranged on the finished product outlet 71, the valve control assembly 9 is used for controlling the opening and/or closing of the finished product outlet 71, and the gas transmission channel 6 is communicated with the space at the upper side of the baffle plate 7. The baffle 7 is arranged at the lower side of the fire grate 2, the gas transmission channel 6 is communicated with the upper side space of the baffle 7, so that when the valve control assembly 9 on the finished product outlet 71 is closed, the collecting chamber 11 for collecting the finished product is separated from the combustion area, so that the finished product prepared in the combustion area can not continuously enter the collecting chamber 11 during ash discharging, on one hand, dust generated by the ash output is prevented from damaging workers, dust pollution is caused, on the other hand, the workers are prevented from being influenced by the high temperature of the combustion area at the upper side of the lime kiln, the smooth ash discharging of lime is ensured, meanwhile, the valve control assembly 9 is closed during ash discharging, the gas supply of the gas supply device 5 is not required to be interrupted, the fuel is continuously combusted, the full combustion of the fuel is further ensured, and the resource waste is reduced.
The foregoing examples are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the foregoing examples, the present invention is not limited to the above-described specific embodiments, and therefore any modifications or equivalent substitutions are made thereto without departing from the spirit and scope of the present invention, and all such modifications and improvements are intended to be included in the scope of the claims of the present invention.
Claims (5)
1. Mixing type lime kiln with fuel layering treatment function comprises a kiln body, wherein a grate is arranged in the kiln body, and the mixing type lime kiln is characterized in that: the fire grate upside is provided with feed divider, feed divider includes the feed divider, the feed divider is connected with kiln internal wall detachable, be provided with a plurality of through-holes that are used for the raw materials to pass through on the feed divider, the quantity of feed divider is two at least, along kiln body top to bottom, and the through-hole on two adjacent feed divider reduces gradually, be provided with the recess on the feed divider, be provided with the rabbling mechanism that is used for broken raw materials in the recess, rabbling mechanism includes rotation axis and bead, the rotation axis both ends respectively with the recess lateral wall rotates to be connected, the bead is in along the length direction spiral of rotation axis on the rotation axis, the recess is big-end-up's hollow prismatic form, the recess lateral wall is provided with a plurality of the through-hole, the recess bottom is network structure, and the raw materials that solid fuel and lime stone mix become respectively through the block of feed divider, and great raw materials is blocked on the feed divider after fully preheating on the feed divider, splits in order behind the volume reduction through downside feed divider reentrant combustion zone.
2. A mixed lime kiln according to claim 1, wherein: the fire grate is provided with a plurality of distributing pieces for paving raw materials, each distributing piece is hollow and conical, and the top ends of the distributing pieces face the center of the groove.
3. A mixed lime kiln according to claim 2, wherein: the material distributing piece is provided with a plurality of ventilation holes, and the lower side of the fire grate is provided with a gas transmission channel communicated with an external gas supply device.
4. A mixed lime kiln according to claim 3, wherein: the device is characterized in that a baffle is further arranged on the lower side of the fire grate, the baffle is fixedly connected with the inner wall of the kiln body, a finished product outlet is formed in the baffle, a collecting chamber for collecting lime finished products is formed in the lower side of the baffle, an ash discharging hole capable of being opened and/or closed is formed in the bottom of the collecting chamber, a valve control assembly is arranged on the finished product outlet, and the valve control assembly is used for controlling the opening and/or closing of the finished product outlet.
5. A mixed lime kiln according to claim 4, wherein: the gas transmission channel is communicated with the space on the upper side of the partition board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501469.1A CN110526602B (en) | 2018-05-23 | 2018-05-23 | Mixing lime kiln with fuel layering treatment function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501469.1A CN110526602B (en) | 2018-05-23 | 2018-05-23 | Mixing lime kiln with fuel layering treatment function |
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| CN110526602A CN110526602A (en) | 2019-12-03 |
| CN110526602B true CN110526602B (en) | 2024-01-02 |
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| CN201810501469.1A Active CN110526602B (en) | 2018-05-23 | 2018-05-23 | Mixing lime kiln with fuel layering treatment function |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111454005B (en) * | 2020-04-17 | 2021-12-03 | 安徽东方钙业有限公司 | Lime kiln calcining process for producing active calcium oxide |
| CN114396723B (en) * | 2022-01-25 | 2024-03-29 | 陕西煜辉能源技术有限公司 | Environment-friendly biomass combustion boiler |
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|---|---|---|---|---|
| CN1258652A (en) * | 1999-12-11 | 2000-07-05 | 马寿春 | New-structure limekiln |
| DE102016104076A1 (en) * | 2016-03-07 | 2017-09-07 | Maerz Ofenbau Ag | Plant with a furnace and method of operating such a plant |
| CN107282276A (en) * | 2017-08-07 | 2017-10-24 | 尹国祥 | A kind of multi-functional feed arrangement for sand making machine of being shaken for vertical screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20115510A (en) * | 2011-05-24 | 2012-11-25 | Metso Minerals Inc | SIGNING MODULE, PROCESSING DEVICE AND MINERAL MATERIALS PROCESSING |
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2018
- 2018-05-23 CN CN201810501469.1A patent/CN110526602B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258652A (en) * | 1999-12-11 | 2000-07-05 | 马寿春 | New-structure limekiln |
| DE102016104076A1 (en) * | 2016-03-07 | 2017-09-07 | Maerz Ofenbau Ag | Plant with a furnace and method of operating such a plant |
| CN107282276A (en) * | 2017-08-07 | 2017-10-24 | 尹国祥 | A kind of multi-functional feed arrangement for sand making machine of being shaken for vertical screen |
Non-Patent Citations (1)
| Title |
|---|
| 新型结构活性石灰窑生产工艺技术分析及应用推广;马寿春;2004年中国石灰工业技术交流与合作大会;全文 * |
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