CN217202542U - Kiln top crushed aggregate separation outer discharge device of sleeve lime kiln - Google Patents
Kiln top crushed aggregate separation outer discharge device of sleeve lime kiln Download PDFInfo
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- CN217202542U CN217202542U CN202221048079.1U CN202221048079U CN217202542U CN 217202542 U CN217202542 U CN 217202542U CN 202221048079 U CN202221048079 U CN 202221048079U CN 217202542 U CN217202542 U CN 217202542U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
The utility model relates to a kiln crown crushed aggregates separation outer device of sleeve limekiln belongs to industrial kiln equipment technical field. The technical scheme is as follows: a material stacking, material taking and material separating platform (2) is arranged below a kiln top distributor (10) of the sleeve lime kiln, and the kiln top distributor and the material stacking, material taking and material separating platform are concentrically arranged; the material pile is got and is equipped with crushed aggregates feed opening (3) on the crushed aggregates separation platform, and material pile is got crushed aggregates separation platform below and is equipped with crushed aggregates and converge funnel (5), and crushed aggregates gathers funnel and connects crushed aggregates output tube (6), and crushed aggregates output tube exports and is located the sleeve limekiln outside. The utility model has the advantages that: the crushed materials in the limestone entering the calcining area are reduced as much as possible, and the crushed materials, soil and powder in the limestone after entering the kiln are separated and discharged outside the kiln before entering the calcining area, so that the adverse effects on the quality, the yield, the heat consumption and the like of finished products are avoided; the crushed materials entering the limestone in the calcining area are reduced, and the active effect on reducing the silicon lime components of the finished product is achieved.
Description
Technical Field
The utility model relates to a kiln crown crushed aggregates separation outer discharging device of sleeve lime kiln goes into kiln back crushed aggregates to sleeve kiln (including sleeve to kiln, lime shaft kiln etc.) lime stone and separates outer arranging, especially a lime stone goes into kiln back and kiln crown high temperature waste gas contact, lime stone surface crushed aggregates, earth, powder drying back and the abundant separation of big specification lime stone, outer equipment of arranging belong to industrial kiln (lime shaft kiln) equipment technical field.
Background
At present, with the improvement of the requirements of sleeve kilns (including sleeve pair kilns, lime shaft kilns and the like) for calcining lime on the quality, the yield, the heat consumption and the like of finished products, the screening of limestone before entering the kilns is strengthened. However, although the limestone is sieved before entering the kiln, a part of crushed materials, soil and powder in the limestone still enter the kiln, and certain influence is caused on the quality, yield, heat consumption and the like of finished products. How to separate and discharge crushed aggregates, mud and powder in limestone in a kiln to the outside of the kiln before entering a calcination area is a technical problem which needs to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a kiln crown crushed aggregates separation outer discharging equipment of sleeve limekiln reduces the crushed aggregates that gets into in the calcination region lime stone as far as possible, will go into crushed aggregates, earth, the powder in the lime stone behind the kiln, outside getting into the separation before calcination region and discharging the kiln, avoids crushed aggregates, earth, the powder in the lime stone to cause harmful effects to finished product quality, output, heat consumption etc. and solves the problem that exists in the background art.
The technical scheme of the utility model is that:
a kiln top crushed aggregate separation and discharge device of a sleeve lime kiln is characterized in that an outer cylinder and an inner cylinder are combined to form the sleeve lime kiln, a kiln top distributing device is arranged at the top of the sleeve lime kiln, a material stacking and crushed aggregate separation platform is arranged at the top end of the inner cylinder and is positioned below the kiln top distributing device, and the kiln top distributing device and the material stacking and crushed aggregate separation platform are concentrically arranged; the material pile is got and is equipped with crushed aggregates feed opening on the crushed aggregates separation platform, and the crushed aggregates separation platform below is got to the material pile is equipped with crushed aggregates and converges the funnel, and crushed aggregates converges the funnel and connects crushed aggregates output pipeline, and crushed aggregates output pipeline exports and is located outside the sleeve kiln. The material pile is got and is formed the stable toper type material pile of developments on the crushed aggregates separation platform, and the inside of toper type material pile is the crushed aggregates that the particle diameter is less, and the outside is the material that the particle diameter is great, and the crushed aggregates that the particle diameter is less passes through the material pile and gets the crushed aggregates feed opening on the crushed aggregates separation platform and fall into the crushed aggregates collection funnel of below, discharges the sleeve kiln through crushed aggregates output tube.
The material piling, crushing and separating platform and the crushing and collecting funnel are provided with a crushing and separating mechanism, the crushing and separating mechanism pushes crushed materials leaked from a crushing and discharging opening into the crushing and collecting funnel, and the crushing and separating mechanism controls the crushing and separating amount.
The kiln top distributing device comprises a kiln top distributing cylinder which is vertically arranged, and the center of the kiln top distributing cylinder is concentric with the center of the material stacking and crushing separation platform; the distance between the lower opening of the kiln top distributing device at the lower end part of the kiln top distributing cylinder and the material pile crushed material taking and separating platform ensures that a dynamic and stable conical material pile is formed on the material pile crushed material taking and separating platform.
The outer edge of the material piling and crushed material separating platform cannot prevent limestone from entering a channel of a sleeve kiln calcining area.
The number of the crushed material feed openings on the crushed material taking and separating platform of the material pile is more than one, and a crushed material separating mechanism is matched below each crushed material feed opening; the chaff separation mechanism comprises various mechanisms capable of pushing chaff into a chaff collection hopper, such as: a pushing mechanism, a twisting mechanism, a rotating mechanism and the like.
The utility model discloses contain two kinds of following embodiments at least:
a plurality of crushed material feeding ports on the crushed material stacking and separating platform are annularly arranged along the center of the crushed material stacking and separating platform; crushed aggregates separating mechanism is pushing mechanism, contains material pushing platform, push pedal, push rod and power unit, and crushed aggregates collect and set up annular material pushing platform on the outer circumference in funnel top, and material pushing platform top corresponds the material heap and gets the crushed aggregates feed opening on the crushed aggregates separating platform, and the below of every crushed aggregates feed opening sets up a push pedal, and the push pedal passes through push rod connection power unit, moves through power unit drive push pedal, pushes the crushed aggregates that the crushed aggregates feed opening falls down and collects the funnel, through the frequency of control pushing mechanism action, the holistic discharge amount of control crushed aggregates.
The crushed aggregates feed opening that crushed aggregates separation platform was got to the material heap is a central feed opening, matches a crushed aggregates separating mechanism, crushed aggregates separating mechanism is pushing mechanism, contains and pushes away material platform, push pedal, push rod and power unit, and the crushed aggregates collects and sets up annular material platform on the outer circumference in funnel top, pushes away material platform top and corresponds the material heap and get the crushed aggregates feed opening at crushed aggregates separation platform center, sets up a push pedal on the material platform, and the push pedal passes through the push rod and connects power unit, and the removal is passed through power unit drive push pedal, pushes the crushed aggregates that the crushed aggregates feed opening falls down and collects the funnel, and through the frequency of control pushing mechanism action, the holistic discharge amount of control crushed aggregates.
The power mechanism comprises hydraulic, pneumatic, electric and other modes.
The method comprises the following steps that limestone entering a kiln forms a dynamic and stable conical material pile on a material pile and crushed material separating platform below a kiln top material distributing cylinder, crushed materials with smaller particle sizes are arranged inside the conical material pile, materials with larger particle sizes are arranged outside the conical material pile, the crushed materials with smaller particle sizes inside the conical material pile sink through a crushed material discharging opening on the material pile and crushed material separating platform, fall into a crushed material collecting hopper below, and are discharged out of a sleeve kiln through a crushed material output pipeline; the material with larger grain size outside the conical material pile enters a calcining area of the sleeve kiln; limestone in the kiln top distributing cylinder is replenished at any time, and a dynamic and stable conical material pile is formed on the material pile, crushed material and separation platform.
The utility model has the advantages that: the crushed aggregates entering the calcining area limestone are reduced as much as possible, and the crushed aggregates, soil and powder in the limestone after entering the kiln are separated and discharged outside the kiln before entering the calcining area, so that the bad influence of the crushed aggregates, soil and powder in the limestone on the quality, yield, heat consumption and the like of finished products is avoided; the crushed materials entering the limestone in the calcining area are reduced, so that the silicon content in the finished product is reduced, the active effect on reducing the silicon (Si) component of the finished product is achieved, and the finished product has wide application range, including steel making, sintering, calcium carbide, chemical industry and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a kiln top according to an embodiment of the present invention;
fig. 3 is a schematic top view of a material crushing platform according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic structural view of a second kiln top according to an embodiment of the present invention;
fig. 5 is a schematic top view of a second material crushing platform according to an embodiment of the present invention;
in the figure: the device comprises a kiln top distributing device lower opening A, a conical material pile C, a kiln top distributing cylinder 1, a material pile crushed material separating platform 2, a crushed material feed opening 3, a crushed material separating mechanism 4, a crushed material collecting hopper 5, a crushed material output pipeline 6, a crushed material output sealing valve 7, a crushed material discharging conveyor 8, a kiln lower finished product discharging mechanism 9, a kiln top distributing device 10, a kiln lower finished product bin 11, a finished product outputting mechanism 12, an outer cylinder 13, an inner cylinder 14, a material pushing platform 15, a push plate 16, a push rod 17 and a power mechanism 18.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A kiln top crushed aggregate separation and discharge device of a sleeve lime kiln is characterized in that an outer cylinder 13 and an inner cylinder 14 are combined to form the sleeve lime kiln, a kiln top distributing device 10 is arranged at the top of the sleeve lime kiln, a material stacking and crushed aggregate separation platform 2 is arranged at the top end of the inner cylinder 14, the material stacking and crushed aggregate separation platform 2 is located below the kiln top distributing device 10, and the kiln top distributing device 10 and the material stacking and crushed aggregate separation platform 2 are concentrically arranged; the material pile is got and is equipped with crushed aggregates feed opening 3 on crushed aggregates separation platform 2, and the material pile is got 2 below of crushed aggregates separation platform and is equipped with crushed aggregates and collect funnel 5, and crushed aggregates collect funnel 5 and connect crushed aggregates output pipeline 6, and the export of crushed aggregates output pipeline 6 is located outside the sleeve kiln. The material heap is got and is formed the stable awl type material heap of developments on the crushed aggregates separating platform 2, and the inside of awl type material heap is the less crushed aggregates of particle diameter, and the outside is the great material of particle diameter, and the less crushed aggregates of particle diameter is got through the material heap and is fallen into the crushed aggregates on the crushed aggregates separating platform 2 crushed aggregates feed opening 3 of crushed aggregates funnel 5 of below, discharges the sleeve kiln through crushed aggregates output tube 6.
Crushed aggregates separating mechanism 4 is equipped with between crushed aggregates collection funnel 5 to crushed aggregates separating platform 2 and crushed aggregates are got to the material heap, and crushed aggregates separating mechanism 4 pushes crushed aggregates that crushed aggregates feed opening 3 leaked down and collects funnel 5, and crushed aggregates separating mechanism 4 controls crushed aggregates separation volume.
The kiln top distributing device 10 comprises a kiln top distributing cylinder 1 which is vertically arranged, and the center of the kiln top distributing cylinder 1 is concentric with the center of the material stacking crushed material separating platform 2; the distance between the lower opening A of the kiln top distributing device at the lower end part of the kiln top distributing barrel 1 and the material pile crushed material separating platform 2 ensures that a dynamic and stable conical material pile is formed on the material pile crushed material separating platform 2.
The outer edge of the material piling and crushed material separating platform 2 cannot prevent limestone from entering a channel of a sleeve kiln calcining area.
The number of the crushed aggregate feed openings 3 on the crushed aggregate separating platform 2 for material stacking is more than one, and a crushed aggregate separating mechanism 4 is matched below each crushed aggregate feed opening 3; the chaff separator 4 comprises various mechanisms that can push chaff into the chaff collection hopper 5, such as: a pushing mechanism, a twisting mechanism, a rotating mechanism and the like.
The embodiment of the utility model provides a contain two kinds of implementation modes as follows at least:
in the first embodiment, a plurality of crushed material feed openings 3 on the crushed material collecting and separating platform 2 of the material pile are annularly arranged along the center of the crushed material collecting and separating platform 2 of the material pile; crushed aggregates separating mechanism 4 is pushing mechanism, contain pushing away material platform 15, push pedal 16, push rod 17 and power unit 18, crushed aggregates collect and set up annular pushing away material platform 15 on the outer circumference in funnel 5 tops, push away material platform 15 top and correspond the crushed aggregates feed opening 3 on the crushed aggregates separating platform 2 of material heap, every crushed aggregates feed opening 3's below sets up a push pedal 16, push pedal 16 passes through push rod 17 and connects power unit 18, move through power unit 18 drive push pedal, the crushed aggregates that falls crushed aggregates feed opening 3 push crushed aggregates and collect funnel 5, through the frequency of control pushing mechanism action, the holistic discharge amount of control crushed aggregates.
Embodiment two, the crushed aggregates feed opening 3 that the crushed aggregates separation platform 2 was got to the material heap is a central feed opening, matches a crushed aggregates separation mechanism 4, crushed aggregates separation mechanism 4 is pushing mechanism, contains material pushing platform 15, push pedal 16, push rod 17 and power unit 18, and crushed aggregates collect and set up annular material pushing platform 15 on the outer circumference in funnel 5 top, and material pushing platform 15 top corresponds the material heap and gets crushed aggregates feed opening 3 at crushed aggregates separation platform 2 center, sets up a push pedal 16 on the material pushing platform 15, and push pedal 16 passes through push rod 17 and connects power unit 18, and through power unit 18 drive push pedal removal, the crushed aggregates that falls down crushed aggregates feed opening 3 push the crushed aggregates and collect funnel 5, through the frequency of control pushing mechanism action, the holistic discharge amount of control crushed aggregates.
The power mechanism 18 includes hydraulic, pneumatic, electric and other modes.
A crushed aggregate discharge conveyor 8 is arranged outside the sleeve kiln, and a crushed aggregate collection funnel 5 is connected with the crushed aggregate discharge conveyor 8 through a crushed aggregate output pipeline 6; and a crushed material output sealing valve 7 is arranged at the outlet of the crushed material output pipeline 6, the crushed material output sealing valve 7 is opened during discharging, the crushed material output sealing valve 7 is closed when discharging is stopped, and the negative pressure state in the sleeve kiln is kept.
And an inverted cone-shaped kiln bottom finished product bin 11 is arranged at the bottom of the sleeve kiln, and the finished products of the sleeve kiln are sent into the kiln bottom finished product bin 11 through a kiln bottom finished product discharging mechanism 9.
And a finished product output mechanism 12 is arranged at an outlet at the bottom of the inverted cone kiln finished product cabin 11.
In the examples:
firstly, process arrangement description:
the kiln top material distribution barrel 1 and the material stacking and crushed material separating platform 2 are concentrically and vertically arranged, and the material stacking and crushed material separating platform is arranged below the kiln top material distribution barrel;
the material piling, crushed material taking and separating platform 2 is provided with a plurality of crushed material feed openings 3 (the number of the crushed material feed openings is determined according to the process), and a crushed material separating mechanism 4 is arranged below each crushed material feed opening in a matched manner (the matched power can be in a mechanical mode such as pushing, twisting and rotating, and the power can be outside the kiln or the position can be adjusted according to the process);
a crushed material collecting funnel 5, a crushed material output pipeline 6, a crushed material output sealing valve 7 and a crushed material discharging conveyor 8 are arranged below the crushed material separating mechanism 4;
explanation of maintaining the lower conical material pile of the kiln top distributing cylinder:
the height of the limestone charge level in the kiln top distributing cylinder is kept above the lower opening of the kiln top distributing cylinder so as to keep the height and the angle of the piled material pile to stably run, and the limestone entering the kiln forms a conical piled state below the kiln top distributing cylinder;
under the action of the discharging mechanism 9 for finished products under the kiln and the crushed material separating mechanism 4, the crushed materials on the crushed material separating platform 2 taken by the material pile under the kiln top distributing cylinder and the large-size limestone outside the conical material pile under the kiln top distributing cylinder correspondingly sink; limestone in the kiln top distributing barrel is supplemented at any time to keep the lower part of the kiln top distributing barrel to be stacked into a conical material pile;
description of the crushed material separation process:
when single-point blanking materials are stacked, the materials with larger specifications have strong rolling capability towards the outer edge of the conical stacking material pile and roll to the outer edge of the conical stacking material pile; the small-sized materials and the small-sized materials have weak rolling capability towards the outer edge of the conical stacking material pile, and pass through the gap between the large-sized materials and fall to the middle part of the conical stacking material pile.
Limestone contacts high-temperature waste gas at the top of the kiln while rolling downwards in the conical material pile below the kiln top distributing barrel, the surface of the limestone is rapidly heated and dried, and crushed materials attached to the surface of the limestone fall off under the action of rolling and heating and drying; the fallen crushed aggregates are deposited on a material stacking crushed aggregate separation platform through large-sized limestone gaps, the crushed aggregates are sent into a crushed aggregate discharge conveyor 8 through a crushed aggregate separation mechanism, and the crushed aggregates are discharged out of the kiln; continuously rolling the large-sized limestone downwards to enter a sleeve kiln calcining area to participate in calcining;
note: the number of the crushed aggregate feed opening 3 and the crushed aggregate separating mechanism 4 is determined according to the process requirement.
Program participation control explanation:
the material level keeping below the kiln top distributing barrel, the finished product discharging mechanism below the kiln, the crushed material separating mechanism 4, the crushed material discharging conveyor 8 and the crushed material output sealing valve 7 are controlled by a PLC program. Crushed aggregates separating mechanism: and analyzing and setting parameters according to the feeding amount, the crushed material amount and the kiln condition, and completing crushed material separation and output by program control.
Claims (5)
1. A kiln top crushed aggregate separation and discharge device of a sleeve lime kiln comprises an outer cylinder (13) and an inner cylinder (14) which are combined to form the sleeve lime kiln, wherein the top of the sleeve lime kiln is provided with a kiln top distributor (10); the method is characterized in that: the top end of the inner cylinder (14) is provided with a material stacking and crushing separation platform (2), the material stacking and crushing separation platform (2) is positioned below the kiln top distributor (10), and the kiln top distributor (10) and the material stacking and crushing separation platform (2) are concentrically arranged; the material piling and crushing separation platform (2) is provided with a crushing feed opening (3), a crushing collection funnel (5) is arranged below the material piling and crushing separation platform (2), the crushing collection funnel (5) is connected with a crushing output pipeline (6), and the outlet of the crushing output pipeline (6) is positioned outside the sleeve kiln.
2. The kiln top crushed aggregate separation and discharge device of the sleeve lime kiln as claimed in claim 1, wherein: the material piling and crushing material separating platform is characterized in that a crushing material separating mechanism (4) is arranged between the crushing material collecting funnel (5) and the crushing material separating platform (2), and the crushing material which is leaked from the crushing material discharging opening (3) is pushed into the crushing material collecting funnel (5) by the crushing material separating mechanism (4).
3. The kiln top crushed aggregate separation and discharge device of the sleeve lime kiln as claimed in claim 1 or 2, wherein: the outer edge of the material pile crushed material separating platform (2) cannot prevent limestone from entering a channel of a sleeve kiln calcining area; the material pile is got crushed aggregates feed opening (3) quantity on crushed aggregates separation platform (2) and is more than one, matches a crushed aggregates separating mechanism (4) below every crushed aggregates feed opening (3).
4. The kiln top crushed aggregate separating and discharging device of the sleeve lime kiln as claimed in claim 3, characterized in that: a plurality of crushed material feed openings (3) on the crushed material taking and separating platform (2) of the material pile are annularly arranged along the center of the crushed material taking and separating platform (2) of the material pile; crushed aggregates separating mechanism (4) are pushing mechanism, contain and push away material platform (15), push pedal (16), push rod (17) and power unit (18), crushed aggregates collect and set up annular material platform (15) of pushing away on the outer circumference in funnel (5) top, push away material platform (15) top and correspond the material heap and get crushed aggregates feed opening (3) on crushed aggregates separating platform (2), the below of every crushed aggregates feed opening (3) sets up one push pedal (16), push pedal (16) are through push rod (17) connection power unit (18), remove through power unit (18) drive push pedal, the crushed aggregates that falls down crushed aggregates feed opening (3) push the crushed aggregates and collect funnel (5).
5. The kiln top crushed aggregate separation and discharge device of the sleeve lime kiln as claimed in claim 3, wherein: the utility model discloses a material stacking and separation method, including material pile, crushed aggregates feed opening (3) on the crushed aggregates separating platform (2) are a central feed opening, match a crushed aggregates separating mechanism (4), crushed aggregates separating mechanism (4) are pushing mechanism, contain and push away material platform (15), push pedal (16), push rod (17) and power unit (18), the crushed aggregates collect and set up annular material platform (15) on funnel (5) top outer circumference, it gets crushed aggregates feed opening (3) on crushed aggregates separating platform (2) center to push away material platform (15) top and correspond the material pile, set up one push pedal (16) on material platform (15), push pedal (16) are through push rod (17) connection power unit (18), move through power unit (18) drive push pedal, the funnel that falls crushed aggregates feed opening (3) pushes crushed aggregates (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221048079.1U CN217202542U (en) | 2022-05-05 | 2022-05-05 | Kiln top crushed aggregate separation outer discharge device of sleeve lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221048079.1U CN217202542U (en) | 2022-05-05 | 2022-05-05 | Kiln top crushed aggregate separation outer discharge device of sleeve lime kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217202542U true CN217202542U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221048079.1U Active CN217202542U (en) | 2022-05-05 | 2022-05-05 | Kiln top crushed aggregate separation outer discharge device of sleeve lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217202542U (en) |
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2022
- 2022-05-05 CN CN202221048079.1U patent/CN217202542U/en active Active
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