CN221319813U - Novel preheater component of lime rotary kiln - Google Patents
Novel preheater component of lime rotary kiln Download PDFInfo
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- CN221319813U CN221319813U CN202322971695.5U CN202322971695U CN221319813U CN 221319813 U CN221319813 U CN 221319813U CN 202322971695 U CN202322971695 U CN 202322971695U CN 221319813 U CN221319813 U CN 221319813U
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- rotary kiln
- pipeline
- smoke
- preheating
- flue gas
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 27
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 27
- 239000004571 lime Substances 0.000 title claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 45
- 239000003546 flue gas Substances 0.000 claims description 45
- 238000000746 purification Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 20
- 239000002245 particle Substances 0.000 abstract description 20
- 238000001914 filtration Methods 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000012216 screening Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 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
- 239000010959 steel Substances 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to the technical field of kiln mouth preheating of rotary kilns, in particular to a novel preheater component of a lime rotary kiln, which comprises a rotary kiln body which is horizontally arranged, wherein a kiln tail structure is arranged at the right end of the rotary kiln body, a smoke chamber is arranged at the end part of the kiln tail structure in a sealing way, a feeding bin is arranged at the top of the smoke chamber, a feeding pipeline is arranged at the bottom of the feeding bin, a smoke vibration filter component is arranged at the right side of the smoke chamber, a preheating pipeline unit is arranged at an upper discharge channel of the smoke vibration filter component, and the preheating pipeline unit is used for realizing preheating temperature rise in the feeding pipeline and the rotary kiln body. The smoke vibration filter assembly can carry out multistage filtration on the discharged smoke, and meanwhile, the filtered particle impurities can be rapidly vibrated and shed in a vibration blanking mode when being collected later, so that cleaning staff can collect the particle impurities falling at low positions in a concentrated mode.
Description
Technical Field
The utility model relates to the technical field of kiln mouth preheating of rotary kilns, in particular to a novel preheating component capable of effectively preheating materials entering the rotary kiln in advance, and especially relates to a novel preheater component of a lime rotary kiln.
Background
The rotary kiln is equipment for calcining lime, and is widely used in metallurgy, chemical industry, construction and other industries, and is used for roasting active lime and light burned dolomite in iron and steel plants and ferroalloy plants.
The rotary kiln mainly comprises important parts such as a kiln head, a kiln body, a kiln tail, a rotary kiln support frame and the like, wherein the kiln body belongs to the main structure of the rotary kiln, the kiln head is a discharging part of the rotary kiln, the kiln tail is an important component part of the rotary kiln, and the rotary kiln is similar to a cover of the rotary kiln in shape at a feeding end and mainly plays roles of feeding and sealing.
When the traditional rotary kiln is used for calcining lime, the materials such as calcium carbonate and the like entering the kiln body are calcined at high temperature in the kiln body after the kiln tail is fed. For example, patent document CN2893599Y discloses a kiln tail device of a rotary kiln, which mainly comprises a cylinder and a cone, wherein the kiln tail cone is an integral cylinder cone, and a port protecting iron is arranged at the necking part of the cone, and the port protecting iron is a light heat-resistant steel sealing port protecting iron; the periphery of the cylinder body can be provided with a wind sleeve which is sleeved on and extends out of the cylinder body to extend towards the necking end of the cone, the wind sleeve can be supported by a wind sleeve supporting rib plate, and a wind sleeve reinforcing ring can be arranged on the wind sleeve.
According to the structure, when the kiln is operated, the straight section of the cylinder body is prolonged, the cone section is shortened, the situation that the shrinkage joint of the cone is loosened due to the fact that the main structure directly receives high-temperature baking to generate uneven thermal expansion is avoided in a high-temperature state, but the structure increases the discharge of high-temperature flue gas generated at the tail of the kiln, and a large amount of energy waste can be caused by the rapid discharge of the high-temperature flue gas.
Therefore, the utility model optimizes and improves the kiln tail structure of the rotary kiln in the prior art, and designs a novel preheater component special for the horizontal lime rotary kiln, which is used for better solving the problems in the prior art.
Disclosure of utility model
The utility model aims to solve one of the technical problems, and adopts the following technical scheme: the utility model provides a novel pre-heater subassembly of lime rotary kiln, includes the rotary kiln body that the level set up the kiln tail structure is installed to the right-hand member of rotary kiln body the tip sealing installation of kiln tail structure has the smoke chamber the feeding storehouse is installed at the top of smoke chamber, feed line is installed to the bottom in feeding storehouse, feed line's lower extreme stretches to inside and its lower extreme right side slope of smoke chamber sets up and is used for to kiln tail structure's right side entrance point pay-off the right side of smoke chamber is provided with a flue gas vibration filter assembly, flue gas vibration filter assembly pass through exhaust duct with the exit end of smoke chamber is linked together a preheating pipeline unit is installed to flue gas vibration filter assembly's upper portion exhaust passage department, the preheating pipeline unit is used for realizing to inside the inside preheat of rotary kiln body intensifies.
In any of the above schemes, preferably, the flue gas vibration filter assembly comprises a purification bin vertically and fixedly installed on the ground, a plurality of filter screen plates are installed in a purification cavity of the purification bin at intervals from top to bottom, the outer side walls of the filter screen plates are respectively movably abutted to the inner wall of the purification cavity at corresponding positions, and the surfaces of the filter screen plates are provided with filter meshes.
In any of the above solutions, it is preferable that each two adjacent filter screen plates are connected by a plurality of supporting springs, and the bottom of each supporting spring at the bottom of the filter screen plate at the lowest layer supports the bottom of the purifying cavity at a corresponding position.
In any of the above schemes, preferably, a horizontal mounting seat is fixedly mounted at the top of the middle section of the uppermost filter screen plate, and a vibration motor is fixedly mounted at the top of the horizontal mounting seat.
In any of the above aspects, it is preferable that a top end cap is sealingly mounted at a top opening of the purification chamber of the purification cartridge.
In any of the above aspects, it is preferable that an access door which is openable and closable is attached to an opening in an outer wall of a lower portion of a front side of the purification cartridge.
In any of the above schemes, preferably, the preheating pipeline unit includes a heat conducting pipeline connected with the upper discharge channel at the left side of the purifying bin, the middle part of the heat conducting pipeline is spirally wound on the outer side wall of the feeding pipeline and realizes heat conduction to the feeding pipeline, the tail end of the heat conducting pipeline extends to the outer side of the rotary kiln body and is spirally and tightly wound on the outer side wall of the rotary kiln body, and the tail end air guiding port of the heat conducting pipeline is communicated with the interior of the rotary kiln body.
In any of the above embodiments, it is preferable that the mesh inner diameter of each of the filter mesh plates is sequentially decreased from bottom to top.
In any of the above aspects, it is preferable that a smoke discharge control valve is attached to the smoke discharge pipe.
In any of the above schemes, it is preferable that a sleeve electric heater is installed on the heat conducting pipeline between the two spiral sections, and the sleeve electric heater is used for realizing the temperature rise heating of the outer side wall of the heat conducting pipeline and the flue gas passing through the inside of the heat conducting pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
1. The novel preheater component of the lime rotary kiln can utilize high-temperature flue gas exhausted by the kiln tail flue gas chamber and recycle the high-temperature flue gas, so that the purposes of preheating and heating the material feeding process and preheating and heating the exterior of the kiln body are achieved, and the preheating treatment of the rotary kiln is effectively realized.
2. The smoke vibration filter assembly can carry out multistage filtration on the discharged smoke, and meanwhile, the filtered particle impurities can be rapidly vibrated and shed in a vibration blanking mode when being collected later, so that cleaning staff can collect the particle impurities falling at low positions in a concentrated mode.
3. Meanwhile, the blockage of each mesh can be effectively avoided in a vibration mode, and the screening effect of the flue gas is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a novel preheater assembly for a lime rotary kiln according to the present utility model.
Fig. 2 is a schematic view of a partial cross-sectional structure of a novel preheater assembly for a lime rotary kiln of the present utility model.
Fig. 3 is a schematic view of the internal cross-sectional structure of the fume vibration filter assembly of the present utility model.
In the figure, 1, a rotary kiln body; 2. a kiln tail structure; 3. a smoke chamber; 4. a feeding bin; 5. a feed line; 6. a flue gas vibration filtering group; 601. a purifying bin; 602. a purification cavity; 603. a filter screen plate; 604. a filter mesh; 605. a support spring; 606. a horizontal mounting base; 607. a vibration motor; 7. a smoke exhaust duct; 8. an upper discharge passage; 9. ground surface; 10. a heat conducting pipeline; 11. a smoke discharge control valve; 12. a sleeve electric heater; 13. a top end cap; 14. an access door.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. The specific structure of the utility model is shown in fig. 1-3.
Example 1: the novel preheater component of lime rotary kiln comprises a rotary kiln body 1 which is horizontally arranged, a kiln tail structure 2 is arranged at the right end of the rotary kiln body 1, a smoke chamber 3 is arranged at the end part of the kiln tail structure 2 in a sealing manner, a feeding bin 4 is arranged at the top of the smoke chamber 3, a feeding pipeline 5 is arranged at the bottom of the feeding bin 4, the lower end of the feeding pipeline 5 extends to the inside of the smoke chamber 3, the lower end of the feeding pipeline is obliquely arranged right and used for feeding to the right inlet end of the kiln tail structure 2, a smoke vibration filter component 6 is arranged on the right side of the smoke chamber 3, the smoke vibration filter component 6 is communicated with the outlet end of the smoke chamber 3 through a smoke exhaust pipeline 7, and a preheating pipeline unit is arranged at the upper discharge channel 8 of the smoke vibration filter component 6 and used for realizing preheating temperature rise inside the feeding pipeline 5 and the inside of the rotary kiln body 1. The novel preheater component of the lime rotary kiln is specially used for the rotary kiln structure, and can be matched with the smoke chamber 3 at the kiln tail structure 2 of the rotary kiln to collect and recycle the high-temperature smoke in the smoke chamber 3, so that the aim of preheating the feeding part and the outer side wall of the rotary kiln body 1 at high temperature is fulfilled, and the preheating effect of the whole rotary kiln structure is improved. According to the utility model, when preheating is carried out, the preheating pipeline unit can be utilized to realize the sequential preheating of two parts of the rotary kiln, so that the comprehensiveness of preheating and the preheating effect are effectively ensured.
In any of the above schemes, it is preferable that the flue gas vibration filter assembly 6 includes a purification bin 601 vertically and fixedly installed on the ground 9, a plurality of filter screen plates 603 are installed in the purification cavity 602 of the purification bin 601 at intervals from top to bottom, the outer side walls of the filter screen plates 603 are respectively movably abutted against the inner wall of the purification cavity 602 at corresponding positions, and the surface of each filter screen plate 603 is provided with a filter mesh 604. The flue gas vibration filter assembly 6 is used for receiving high-temperature flue gas discharged from the upstream flue gas chamber 3, and after the flue gas enters the purifying cavity 602 of the purifying bin 601 of the flue gas vibration filter assembly 6, the flue gas sequentially passes through corresponding filter screen plates from bottom to top, so that the purpose of rapidly screening particle impurities in the flue gas can be achieved.
In any of the above solutions, it is preferable that each two adjacent filter screen plates 603 are connected by a plurality of supporting springs 605, and the bottom of each supporting spring at the bottom of the filter screen plate 603 at the lowest layer supports the bottom of the purifying chamber 602 at a corresponding position. All support through supporting spring between each filter screen plate 603 can guarantee effectively that whole structure supports stability can also guarantee that whole structure can realize the elastic vibration in the direction of height when vibration is unloaded.
In any of the above embodiments, it is preferable that a horizontal mount 606 is fixedly installed at the top of the middle section of the uppermost filter screen plate 603, and a vibration motor 607 is fixedly installed at the top of the horizontal mount 606. When the particle impurities accumulated on the filter screen plate 603 are required to be cleaned rapidly, the vibration motor 607 can be electrified and started, and the purpose that the particle impurities adhered to the filter screen plate 603 fall off rapidly due to rapid vibration can be achieved under the vibration action of the vibration motor 607, so that the impurity particles can fall down to the bottom of the purifying cavity 602 to be collected intensively.
In any of the above embodiments, it is preferable that a top end cap is sealingly mounted at the top opening of the purge cavity 602 of the purge bin 601. The top end cover can be opened as required, and when the inside is required to be cleaned rapidly or parts inside the top end cover are replaced, the top end cover can be directly taken down for replacement or cleaning operation.
In any of the above schemes, it is preferable that the preheating pipe unit includes a heat conducting pipe 10 connected to the upper discharging channel 8 at the left side of the purifying bin 601, the middle part of the heat conducting pipe 10 is spirally wound on the outer side wall of the feeding pipe 5 and realizes heat conduction to the feeding pipe 5, the end of the heat conducting pipe 10 extends to the outside of the rotary kiln body 1 and is spirally and tightly wound on the outer side wall thereof, and the end air guiding port of the heat conducting pipe 10 is communicated with the inside of the rotary kiln body 1. The heat conduction pipeline 10 designed in the preheating pipeline unit adopts a copper pipe structure with good heat conductivity, and the two spiral winding sections arranged through the heat conduction pipeline 10 can effectively ensure that the high-temperature heat conduction pipeline 10 can effectively conduct heat to the feeding pipeline 5 made of the wound metal material and the outer side wall of the rotary kiln body 1 so as to ensure the preheating and heating effects.
In any of the above embodiments, it is preferable that the mesh inner diameter of each of the filter screen plates 603 is sequentially decreased from bottom to top. The filtering effect is effectively improved by sequentially filtering the filter screen plates 603 in a multistage filtering mode, and the purpose of multistage purification and filtration can be better achieved by arranging the pore diameters of the filter meshes 604 of the filter screen plates 603 in a grading mode.
Example 2: the novel preheater component of lime rotary kiln comprises a rotary kiln body 1 which is horizontally arranged, a kiln tail structure 2 is arranged at the right end of the rotary kiln body 1, a smoke chamber 3 is arranged at the end part of the kiln tail structure 2 in a sealing manner, a feeding bin 4 is arranged at the top of the smoke chamber 3, a feeding pipeline 5 is arranged at the bottom of the feeding bin 4, the lower end of the feeding pipeline 5 extends to the inside of the smoke chamber 3, the lower end of the feeding pipeline is obliquely arranged right and used for feeding to the right inlet end of the kiln tail structure 2, a smoke vibration filter component 6 is arranged on the right side of the smoke chamber 3, the smoke vibration filter component 6 is communicated with the outlet end of the smoke chamber 3 through a smoke exhaust pipeline 7, and a preheating pipeline unit is arranged at the upper discharge channel 8 of the smoke vibration filter component 6 and used for realizing preheating temperature rise inside the feeding pipeline 5 and the inside of the rotary kiln body 1.
In any of the above schemes, it is preferable that the flue gas vibration filter assembly 6 includes a purification bin 601 vertically and fixedly installed on the ground 9, a plurality of filter screen plates 603 are installed in the purification cavity 602 of the purification bin 601 at intervals from top to bottom, the outer side walls of the filter screen plates 603 are respectively movably abutted against the inner wall of the purification cavity 602 at corresponding positions, and the surface of each filter screen plate 603 is provided with a filter mesh 604.
The flue gas vibration filter assembly 6 is used for receiving high-temperature flue gas discharged from the upstream flue gas chamber 3, and after the flue gas enters the purifying cavity 602 of the purifying bin 601 of the flue gas vibration filter assembly 6, the flue gas sequentially passes through corresponding filter screen plates from bottom to top, so that the purpose of rapidly screening particle impurities in the flue gas can be achieved.
In any of the above embodiments, it is preferable that each two adjacent filter screen plates 603 are connected by a plurality of supporting springs 605, and the bottom of each supporting spring 605 at the bottom of the filter screen plate 603 at the lowest layer supports the bottom of the purifying chamber 602 at a corresponding position.
All support through supporting spring between each filter screen plate 603 can guarantee effectively that whole structure supports stability can also guarantee that whole structure can realize the elastic vibration in the direction of height when vibration is unloaded.
In any of the above embodiments, it is preferable that a horizontal mount 606 is fixedly installed at the top of the middle section of the uppermost filter screen plate 603, and a vibration motor 607 is fixedly installed at the top of the horizontal mount 606.
When the particle impurities accumulated on the filter screen plate 603 are required to be cleaned rapidly, the vibration motor 607 can be electrified and started, and the purpose that the particle impurities adhered to the filter screen plate 603 fall off rapidly due to rapid vibration can be achieved under the vibration action of the vibration motor 607, so that the impurity particles can fall down to the bottom of the purifying cavity 602 to be collected intensively.
In any of the above embodiments, it is preferable that a top end cap 13 is sealingly mounted at the top opening of the purge cavity 602 of the purge bin 601.
The top end cover can be opened as required, and when the inside is required to be cleaned rapidly or parts inside the top end cover are replaced, the top end cover can be directly taken down for replacement or cleaning operation.
In any of the above embodiments, it is preferable that an access door 14 is provided to be opened and closed at an opening of a lower outer wall of the front side of the purification cartridge 601.
The hinge hinged access door 14 can be opened to rapidly clean the accumulated particle impurities in the hinge, so that the cleaning efficiency is ensured.
In any of the above schemes, it is preferable that the preheating pipe unit includes a heat conducting pipe 10 connected to the upper discharging channel 8 at the left side of the purifying bin 601, the middle part of the heat conducting pipe 10 is spirally wound on the outer side wall of the feeding pipe 5 and realizes heat conduction to the feeding pipe 5, the end of the heat conducting pipe 10 extends to the outside of the rotary kiln body 1 and is spirally and tightly wound on the outer side wall thereof, and the end air guiding port of the heat conducting pipe 10 is communicated with the inside of the rotary kiln body 1.
The heat conduction pipeline 10 designed in the preheating pipeline unit adopts a copper pipe structure with good heat conductivity, and the two spiral winding sections arranged through the heat conduction pipeline 10 can effectively ensure that the high-temperature heat conduction pipeline 10 can effectively conduct heat to the feeding pipeline 5 made of the wound metal material and the outer side wall of the rotary kiln body 1 so as to ensure the preheating and heating effects.
In any of the above embodiments, it is preferable that the mesh inner diameter of each of the filter screen plates 603 is sequentially decreased from bottom to top.
The filtering effect is effectively improved by sequentially filtering the filter screen plates 603 in a multistage filtering mode, and the purpose of multistage purification and filtration can be better achieved by arranging the pore diameters of the filter meshes 604 of the filter screen plates 603 in a grading mode.
In any of the above embodiments, it is preferable that a smoke discharge control valve 11 is attached to the smoke discharge duct 7.
The opening size of the smoke discharging control valve 11 can control the flow of the smoke discharged to the outside, and effectively controls the amount of the smoke generated in actual work.
In any of the above schemes, it is preferable that a sleeve electric heater 12 is installed on the heat conducting pipeline 10 between the two spiral sections, and the sleeve electric heater 12 is used for realizing the temperature rise heating of the outer side wall of the heat conducting pipeline 10 and the flue gas passing through the inner part thereof.
Considering that the temperature of the first spiral section will decrease to some extent after heat conduction, the electric sleeve heater 12 for rapidly increasing the temperature of the first spiral section is further disposed, and the electric sleeve heater 12 adopts an existing structure, so that the specific structure is not repeated here.
The specific working principle is as follows:
The novel lime rotary kiln preheater component is specially used for a rotary kiln structure, and can be matched with a smoke chamber 3 at a kiln tail structure 2 of a rotary kiln to collect and recycle high-temperature smoke in the smoke chamber 3, so that the aim of high-temperature preheating of a feeding part and the outer side wall of a rotary kiln body 1 is fulfilled, and the preheating effect of the whole rotary kiln structure is improved. When preheating, the preheating pipeline unit can be utilized to realize the sequential preheating of two parts of the rotary kiln, so that the comprehensiveness of preheating and the preheating effect are effectively ensured. Specifically, the flue gas vibration filter assembly 6 is used for receiving the high-temperature flue gas discharged from the upstream flue gas chamber 3, and after the flue gas enters the purifying cavity 602 of the purifying bin 601 of the flue gas vibration filter assembly 6, the flue gas sequentially passes through the corresponding filter screen plates from bottom to top, so that the purpose of rapidly screening particle impurities in the flue gas can be achieved. When the particle impurities accumulated on the filter screen plate 603 are required to be cleaned rapidly, the vibration motor 607 can be electrified and started, and the purpose that the particle impurities adhered to the filter screen plate 603 fall off rapidly due to rapid vibration can be achieved under the vibration action of the vibration motor 607, so that the impurity particles can fall down to the bottom of the purifying cavity 602 to be collected intensively. In addition, the heat conducting pipeline 10 designed in the preheating pipeline unit adopts a copper pipe structure with good heat conductivity, and the two spiral winding sections arranged through the heat conducting pipeline 10 can effectively ensure that the high-temperature heat conducting pipeline 10 can effectively conduct heat to the feeding pipeline 5 made of the wound metal material and the outer side wall of the rotary kiln body 1 for preheating, thereby ensuring the preheating and heating effects.
The novel preheater component of the lime rotary kiln can utilize the high-temperature flue gas exhausted by the kiln tail flue gas chamber 3 and recycle the high-temperature flue gas, so that the purposes of preheating and heating the material in the feeding process and preheating and heating the exterior of the kiln body are achieved, and the preheating treatment of the rotary kiln is effectively realized; the smoke vibration filter assembly 6 can carry out multistage filtration on the discharged smoke, and meanwhile, the filtered particle impurities can rapidly vibrate and fall off the impurities in a vibration blanking mode when the particles are collected later, so that cleaning staff can collect the particle impurities falling at low positions in a concentrated mode; the blockage of each mesh can be effectively avoided through the vibration mode, and the screening effect of the flue gas is improved.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (10)
1. Novel preheater subassembly of lime rotary kiln, including the rotary kiln body that the level set up kiln tail structure, its characterized in that are installed to the right-hand member of the rotary kiln body: the end sealing installation of kiln tail structure has the smoke chamber the feeding storehouse is installed at the top of smoke chamber, the feed line is installed to the bottom of feeding storehouse, the lower extreme of feed line stretches to inside the smoke chamber and its lower extreme incline to the right side setting and be used for to kiln tail structure's right side entrance point pay-off the right side of smoke chamber is provided with a flue gas vibration filter assembly, flue gas vibration filter assembly pass through exhaust pipe with the exit end of smoke chamber is linked together flue gas vibration filter assembly's upper portion discharge channel department installs a preheating pipeline unit, the preheating pipeline unit is used for realizing to inside the feed line the inside preheating of rotary kiln body intensifies.
2. The novel preheater assembly for a lime rotary kiln of claim 1, wherein: the flue gas vibration filter assembly comprises a purification bin which is vertically and fixedly arranged on the ground, a plurality of filter screen plates are arranged in a purification cavity of the purification bin at intervals from top to bottom, the outer side walls of the filter screen plates are respectively movably abutted to the inner wall of the purification cavity at corresponding positions, and the surfaces of the filter screen plates are provided with filter meshes.
3. The novel preheater assembly for a lime rotary kiln of claim 2, wherein: the two adjacent filter screen plates are connected through a plurality of supporting springs, and the bottoms of the supporting springs positioned at the bottoms of the filter screen plates at the lowest layer are supported at the bottoms of the purifying cavities at the corresponding positions.
4. A novel preheater assembly for a lime rotary kiln according to claim 3, wherein: a horizontal installation seat is fixedly installed at the top of the middle section of the uppermost filter screen plate, and a vibration motor is fixedly installed at the top of the horizontal installation seat.
5. The novel preheater assembly for a lime rotary kiln of claim 4, wherein: and a top end cover is hermetically arranged at the top opening of the purifying cavity of the purifying bin.
6. The novel preheater assembly for a lime rotary kiln of claim 5, wherein: an access door which can be opened and closed is arranged at the opening of the outer side wall of the lower part of the front side of the purification bin.
7. The novel preheater assembly for a lime rotary kiln of claim 6, wherein: the preheating pipeline unit comprises a heat conducting pipeline connected with the upper discharge channel at the left side of the purification bin, the middle part of the heat conducting pipeline is spirally wound on the outer side wall of the feeding pipeline and conducts heat to the feeding pipeline, the tail end of the heat conducting pipeline extends to the outer side of the rotary kiln body and is spirally and tightly wound on the outer side wall of the rotary kiln body, and the tail end air guide port of the heat conducting pipeline is communicated with the interior of the rotary kiln body.
8. The lime rotary kiln novel preheater assembly as set forth in claim 7, wherein: the inner diameter of the pore net of each filter net plate is sequentially reduced from bottom to top.
9. The lime rotary kiln novel preheater assembly as set forth in claim 8, wherein: and a smoke exhaust control valve is arranged on the smoke exhaust pipeline.
10. The lime rotary kiln novel preheater assembly as set forth in claim 9, wherein: and a sleeve electric heater is arranged on the heat conducting pipeline between the two spiral sections and is used for heating the outer side wall of the heat conducting pipeline and flue gas passing through the inner side wall of the heat conducting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322971695.5U CN221319813U (en) | 2023-11-03 | 2023-11-03 | Novel preheater component of lime rotary kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322971695.5U CN221319813U (en) | 2023-11-03 | 2023-11-03 | Novel preheater component of lime rotary kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118896479A (en) * | 2024-09-30 | 2024-11-05 | 江苏科力特环保科技有限公司 | A high temperature activation equipment for producing activated carbon fiber felt |
| CN119468731A (en) * | 2025-01-15 | 2025-02-18 | 湖南奥科新材料科技有限公司 | A gas purification system for a smelting furnace |
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2023
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118896479A (en) * | 2024-09-30 | 2024-11-05 | 江苏科力特环保科技有限公司 | A high temperature activation equipment for producing activated carbon fiber felt |
| CN119468731A (en) * | 2025-01-15 | 2025-02-18 | 湖南奥科新材料科技有限公司 | A gas purification system for a smelting furnace |
| CN119468731B (en) * | 2025-01-15 | 2025-04-18 | 湖南奥科新材料科技有限公司 | Gas purifying system for smelting furnace |
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