CN108249787B - Bulk material distributor for lime kiln - Google Patents
Bulk material distributor for lime kiln Download PDFInfo
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- CN108249787B CN108249787B CN201810348284.1A CN201810348284A CN108249787B CN 108249787 B CN108249787 B CN 108249787B CN 201810348284 A CN201810348284 A CN 201810348284A CN 108249787 B CN108249787 B CN 108249787B
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- China
- Prior art keywords
- crushing barrel
- bulk material
- lime kiln
- motor
- intervals
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- 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
- C04B2/104—Ingredients added before or during the burning process
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- 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)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the field of calcium hydroxide production equipment, in particular to a bulk material distributor for a lime kiln. Comprises a crushing barrel fixed in an opening of the top wall of the lime kiln along the vertical direction; the central position of the lower end of the crushing barrel is provided with a second motor which is distributed along the vertical direction, an output shaft of the second motor is coaxially provided with a bulk material cone, the small end of the bulk material cone is fixedly connected with the output shaft of the second motor, the large end of the bulk material cone is hinged and connected with a plurality of framework plates at intervals along the circumferential direction, an elastic soft connecting plate is arranged between any two adjacent framework plates, the large end of the bulk material cone is also coaxially provided with support columns, and the support columns are provided with electric push rods which are the same in number with the framework plates and used for pushing and pulling all the framework plates to open or close at intervals. The lime kiln can uniformly distribute limestone and coal in the lime kiln to improve the combustion efficiency, facilitate the control of the calcination quality and avoid the phenomenon of under-burning or over-burning.
Description
Technical Field
The invention relates to the field of calcium hydroxide production equipment, in particular to a bulk material distributor for a lime kiln.
Background
In the production of calcium hydroxide, limestone is first calcined to produce lime, and the lime is then digested with water to produce calcium hydroxide. Wherein the uniform distribution of limestone and coal is very critical. No matter which kind of lime kiln, coal and limestone must be put into the kiln at the same time, different granularities are distributed in the kiln evenly and reasonably through material distribution, the furnace wall effect is eliminated, the resistance in the furnace is balanced, and the 'firing' uniformity of the whole furnace surface is strived to be consistent.
When the coal is piled and caked due to high moisture, the coal briquette with larger blocks can seriously influence the uniform mixing of the coal and limestone in the lime kiln, so that the tightness of the coal bed in the lime kiln is inconsistent, the ventilation is not uniform, the coal is not completely combusted, the combustion efficiency is low, the energy consumption is increased, the load of a boiler is influenced, and the adverse effect is brought to the production of people. In order to overcome the problem, special equipment is often needed to break coal in the prior art, then limestone and the broken coal are distributed in a lime kiln layer by layer, and each batch of raw materials are added for a plurality of times, so that the whole lime kiln device has a complex structure, discontinuous filling operation and can not enable the coal and the limestone to be mixed more uniformly.
Disclosure of Invention
The invention aims to provide a bulk material distributor for a lime kiln, which can uniformly distribute limestone and coal in the lime kiln to improve the combustion efficiency, facilitate the control of the calcination quality and avoid the phenomenon of under-burning or over-burning.
In order to solve the technical problems, the invention adopts the technical scheme that: a bulk material distributor for a lime kiln comprises a crushing barrel which is fixed in an opening on the top wall of the lime kiln along the vertical direction, a feed inlet is arranged at the upper end of the crushing barrel, a screen mesh type is arranged at the lower end of the crushing barrel, a first conveyor for conveying limestone into the crushing barrel through the feed port and a second conveyor for conveying coal into the crushing barrel through the feed port are arranged on the top wall of the lime kiln, a plurality of rotating shafts distributed along the vertical direction are arranged in the middle of the crushing barrel at intervals, two ends of each rotating shaft are respectively and rotatably arranged at the upper end and the lower end of the crushing barrel, the outer part of the upper end of the crushing barrel is respectively provided with a first motor for driving the corresponding rotating shaft to rotate, the middle part of the rotating shaft is fixedly provided with a roller coaxial with the rotating shaft, the peripheral surface of the roller is respectively provided with a plurality of spike teeth at intervals, the spike teeth on two adjacent rollers are arranged in a staggered manner, and the length of the spike teeth on any one roller is gradually increased from top to bottom; the central position of the lower end of the crushing barrel is provided with a second motor which is distributed along the vertical direction, an output shaft of the second motor is coaxially provided with a bulk material cone, the small end of the bulk material cone is fixedly connected with the output shaft of the second motor, the large end of the bulk material cone is hinged and connected with a plurality of framework plates at intervals along the circumferential direction, an elastic soft connecting plate is arranged between any two adjacent framework plates, the large end of the bulk material cone is also coaxially provided with support columns, and the support columns are provided with electric push rods which are the same in number with the framework plates and used for pushing and pulling all the framework plates to open or close at intervals.
Preferably, the upper end and the lower end of the crushing barrel are respectively provided with a thrust bearing for the rotating shaft to be in running fit with.
Preferably, the crushing barrel is circular, and the rotating shafts are annularly distributed in the crushing barrel.
Preferably, the feed inlet is arranged at the center of the upper end of the crushing barrel.
Preferably, the cylinder sleeve end of the electric push rod is hinged with the support column, and the telescopic end of the electric push rod is hinged with the middle part of the framework plate.
Preferably, a motor seat for mounting the second motor is arranged at the bottom of the crushing barrel.
Advantageous effects
The lime kiln comprises a first conveyor and a second conveyor for conveying limestone and coal, the ratio of the coal to the limestone in the lime kiln can be adjusted by adjusting the conveying speed of the first conveyor and the second conveyor according to the quality of the coal or the limestone in actual production, the adjusting mode is simple and reliable, the feeding and distributing are continuous and stable, the automation degree is high, and the production efficiency of enterprises is facilitated.
The invention can respectively send limestone and coal into the crushing barrel through the first conveyor and the second conveyor to be uniformly mixed, the spike teeth on the adjacent rollers in the crushing barrel can be mutually matched, or the spike teeth are matched with the inner wall of the crushing barrel and the adjacent rollers to break the caking coal briquette so as to further uniformly mix with the limestone, thereby ensuring that the material layer formed by the limestone and the coal in the lime kiln has consistent tightness, uniform ventilation, complete coal combustion and uniform limestone heating, further facilitating the control of the calcining process and avoiding the phenomenon of local under-burning or local over-burning easily occurring in the prior art.
The lower end of the crushing barrel is provided with a rotatable bulk cone, the bulk cone is provided with a framework plate and a soft connecting plate which can be opened or retracted, the limestone and coal mixture falling on the bulk cone, the framework plate and the soft connecting plate is uniformly thrown and falls into the lime kiln by centrifugal force generated in the rotating process, and the opening degree of the framework plate and the soft connecting plate is adjusted by a flashlight push rod so as to adjust the scope of the invention and more uniformly distribute the limestone and coal mixture in the lime kiln.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the structure of the framework boards and the flexible connecting boards in the present invention;
the labels in the figure are: 1. the device comprises a first conveyor, a crushing barrel, a first motor, a second conveyor, a first conveyor, a second conveyor, a lime kiln, a roller, a rotating shaft, a feeding hole, a first motor, a second conveyor, a lime kiln, a second motor, a roller, a rotating shaft, a second motor, a third motor, a fourth motor, a fifth motor, a sixth motor, a fifth motor, a sixth motor, a support column, a flexible connecting plate, a frame plate, 14, a support column, a frame plate, a flexible connecting plate, and a flexible connecting plate.
Detailed Description
As shown in fig. 1 and 2, the bulk material distributor for a lime kiln 6 of the present invention comprises a crushing barrel 2 fixed in an opening of a top wall of the lime kiln 6 along a vertical direction, wherein the crushing barrel 2 is cylindrical, and a crushing mechanism is arranged in an inner cavity of the crushing barrel 2 and is used for crushing caked coal so as to uniformly combust the coal and uniformly heat limestone. Meanwhile, the crushing mechanism in the crushing barrel 2 has a certain stirring function, and further uniform mixing of limestone and coal particles is facilitated. In this embodiment, a flange is fixedly provided at the middle upper portion of the outer wall of the crushing barrel 2, and the crushing barrel 2 is fixed to the outside of the top wall of the lime kiln 6 by the flange and a bolt.
The central position of the upper end of the crushing barrel 2 is provided with a feed inlet 3, the lower end of the crushing barrel 2 is set to be a screen mesh type, limestone and coal are respectively fed into the crushing barrel 2 from the feed inlet 3 through a first conveyor 1 and a second conveyor 5 which are arranged at the top of a lime kiln 6, and a cone hopper can also be arranged at the position of the feed inlet 3 to enable the limestone and the coal to be scattered in the feeding process. Discharge by the fretwork screen structure of broken 2 lower extremes of bucket after the crushing and the stirring effect through above-mentioned broken mechanism, further carry out even cloth again.
The crushing mechanism with the stirring function comprises: the middle of the crushing barrel 2 is provided with a plurality of rotating shafts 8 which are distributed along the vertical direction at intervals, and the plurality of rotating shafts are coaxially arranged in the crushing barrel 2 in an annular shape. Two ends of the rotating shaft 8 are respectively rotatably arranged at the upper end and the lower end of the crushing barrel 2, and thrust bearings which are rotatably matched with the two ends of the rotating shaft 8 are respectively arranged at the upper end and the lower end of the crushing barrel 2. The first motors 4 for driving the corresponding rotating shafts 8 to rotate are respectively arranged outside the upper ends of the crushing barrels 2. The middle part of pivot 8 is fixed to be equipped with the cylinder 7 coaxial with pivot 8, be equipped with many spike teeth 9 on the global of cylinder 7 respectively at the interval, spike teeth 9 on two adjacent cylinders 7 are crisscross the setting each other, can be under the drive effect of a plurality of first motors 4, between spike teeth 9 and spike teeth 9 on two adjacent cylinders 7, the relative rotation between spike teeth 9 and the global of adjacent cylinder 7 or between spike teeth 9 and broken 2 inner walls of bucket accomplishes the breakage of caking coal and the intensive mixing between coal and the lime stone. The length of the spike teeth 9 on any one roller 7 is distributed from top to bottom in an increasing mode, so that caking coal can be crushed into a middle block from a big block in the falling process among the rollers 7 along with gravity, and then the middle block is crushed into small blocks meeting the requirements, the crushing effect is improved, and the situation that the service life is shortened due to the concentrated stress of the spike teeth 9 on the upper portion of the roller 7 is avoided. In order to avoid the accumulation of materials in the crushing barrel 2, the mesh size of the screen at the lower end of the crushing barrel 2 is larger than the size of the largest coal block crushed by the crushing mechanism.
After the crushed and well-mixed limestone and coal mixture leaks out of the screen at the lower end of the crushing barrel 2, the mixture is uniformly distributed in a lime kiln 6 through the following distributing mechanism. The distributing mechanism comprises a motor base 10 arranged at the center of the lower end of the crushing barrel 2 and a second motor 11 fixed on the motor base 10 along the vertical direction, an output shaft of the second motor 11 is arranged vertically downwards, a material scattering cone 12 is coaxially arranged on the output shaft of the second motor 11, the small end of the material scattering cone 12 is fixedly connected with the output shaft of the second motor 11, the large end of the material scattering cone 12 is hinged with a plurality of framework plates 13 at intervals along the circumferential direction, an elastic soft connecting plate 16 is arranged between any two adjacent framework plates 13, the soft connecting plate 16 and the framework plates 13 are arranged at equal length, and a circular conical surface is formed jointly. The large end of the bulk cone 12 is also coaxially provided with support columns 15, and the support columns 15 are provided with electric push rods 14 at intervals, the number of the electric push rods is the same as that of the skeleton plates 13, and the electric push rods are used for pushing and pulling all the skeleton plates 13 to open or close. The cylinder sleeve end of the electric push rod 14 is hinged with the support column 15, and the telescopic end of the electric push rod 14 is hinged with the middle part of the framework plate 13.
In the implementation process of the invention, materials fall on the conical surface of the bulk cone 12 through the screen at the lower end of the crushing barrel 2, then slide to the conical surface formed by the framework plate 13 and the soft connecting plate 16 along with the conical surface of the bulk cone 12, generate centrifugal force under the driving action of the second motor 11, are thrown out along with the inertia action of the centrifugal force after sliding away from the framework plate 13 and the soft connecting plate 16, adjust the conical degree of the conical surface formed by the framework plate 13 and the soft connecting plate 16 by controlling the extension length of the telescopic end of the electric push rod 14, further adjust the material distribution range of the materials, and can adopt the reciprocating extension and retraction mode of the electric push rod 14 to uniformly distribute the materials in the lime kiln 6.
Claims (4)
1. The utility model provides a lime kiln is with bulk cargo distributing device which characterized in that: comprises a crushing barrel (2) fixed in an opening of the top wall of a lime kiln (6) along the vertical direction, a feed inlet (3) is arranged at the upper end of the crushing barrel (2), the lower end of the crushing barrel (2) is set to be a screen mesh type, a first conveyor (1) used for conveying limestone into the crushing barrel (2) through the feed inlet (3) and a second conveyor (5) used for conveying coal into the crushing barrel (2) through the feed inlet (3) are arranged on the top wall of the lime kiln (6), a plurality of rotating shafts (8) distributed along the vertical direction are arranged in the middle of the crushing barrel (2) at intervals, two ends of each rotating shaft (8) are respectively and rotatably arranged at the upper end and the lower end of the crushing barrel (2), a first motor (4) used for driving the corresponding rotating shaft (8) to rotate is respectively arranged outside the upper end of the crushing barrel (2), a roller (7) coaxial with the rotating shafts (8) is fixedly arranged in the middle of the rotating shafts (8), a plurality of spike teeth (9) are respectively arranged on the circumferential surface of each roller (7) at intervals, the spike teeth (9) on two adjacent rollers (7) are arranged in a staggered manner, and the length of the spike teeth (9) on any one roller (7) is gradually increased from top to bottom; a second motor (11) which is distributed along the vertical direction is arranged at the center of the lower end of the crushing barrel (2), a bulk material cone (12) is coaxially arranged on an output shaft of the second motor (11), the small end of the bulk material cone (12) is fixedly connected with the output shaft of the second motor (11), the large end of the bulk material cone (12) is hinged with a plurality of framework plates (13) at intervals along the circumferential direction, an elastic soft connecting plate (16) is arranged between any two adjacent framework plates (13), a supporting column (15) is coaxially arranged at the large end of the bulk material cone (12), and electric push rods (14) which are the same in number as the framework plates (13) and used for pushing and pulling all the framework plates (13) to open or retract are arranged on the supporting column (15) at intervals;
thrust bearings for rotatably matching the rotating shaft (8) are respectively arranged at the upper end and the lower end of the crushing barrel (2);
the crushing barrel (2) is circular, and the rotating shafts (8) are annularly distributed in the crushing barrel (2).
2. The bulk material distributor for the lime kiln as claimed in claim 1, wherein: the feed inlet (3) is arranged at the center of the upper end of the crushing barrel (2).
3. The bulk material distributor for the lime kiln as claimed in claim 1, wherein: the cylinder sleeve end of the electric push rod (14) is hinged with the support column (15), and the telescopic end of the electric push rod (14) is hinged with the middle part of the framework plate (13).
4. The bulk material distributor for the lime kiln as claimed in claim 1, wherein: and a motor base (10) for mounting a second motor (11) is arranged at the bottom of the crushing barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348284.1A CN108249787B (en) | 2018-04-18 | 2018-04-18 | Bulk material distributor for lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348284.1A CN108249787B (en) | 2018-04-18 | 2018-04-18 | Bulk material distributor for lime kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108249787A CN108249787A (en) | 2018-07-06 |
| CN108249787B true CN108249787B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810348284.1A Active CN108249787B (en) | 2018-04-18 | 2018-04-18 | Bulk material distributor for lime kiln |
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| CN (1) | CN108249787B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112293013A (en) * | 2020-11-12 | 2021-02-02 | 山西惠友泉农业科技有限公司 | Four-season pear cultivation method convenient for improving quality |
| CN112897906B (en) * | 2021-03-08 | 2022-12-09 | 江苏华冶钙业有限公司 | Even lime kiln cloth machine of cloth |
| CN117358091A (en) * | 2023-11-06 | 2024-01-09 | 重庆酉州油茶科技有限公司 | Dispersing and homogenizing device in preparation of camellia seed oil skin care products |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD260603A3 (en) * | 1986-08-28 | 1988-10-05 | Petrolchemisches Kombinat | BRECHROTOR FOR THE CRUSHING OF CALCAMONO ALPETER GRANULATE |
| CN2667428Y (en) * | 2003-12-02 | 2004-12-29 | 周文权 | Vertical dryer |
| CN203007147U (en) * | 2013-01-04 | 2013-06-19 | 于波涛 | Rotary material distributor |
| CN103433090B (en) * | 2013-09-05 | 2015-08-05 | 天地（唐山）矿业科技有限公司 | From cleaning type Sizing Crusher |
| CN204159374U (en) * | 2014-08-25 | 2015-02-18 | 池州瑞祥钙业有限公司 | Limestone crushing device |
| CN204159375U (en) * | 2014-08-25 | 2015-02-18 | 池州瑞祥钙业有限公司 | A kind of Limestone crushing device |
| CN204159401U (en) * | 2014-08-25 | 2015-02-18 | 青阳县永诚钙业有限责任公司 | Limestone crushing device |
| CN204079791U (en) * | 2014-09-27 | 2015-01-07 | 刘建轻 | A kind of limestone kiln uniform distribution device |
| CN204724279U (en) * | 2015-05-22 | 2015-10-28 | 四川省江油市蜀玉实业有限公司 | A kind of limestone crushing machine |
| CN206587827U (en) * | 2017-02-09 | 2017-10-27 | 天津轩泽金属制品有限公司 | A kind of plastic processing reducing mechanism |
| CN107233960A (en) * | 2017-07-18 | 2017-10-10 | 贵州大学 | A kind of double-roll type disintegrating apparatus for tobacco rod |
| CN208200763U (en) * | 2018-04-18 | 2018-12-07 | 洛阳钙丰工贸有限公司 | A kind of limekiln bulk cargo distributing device |
-
2018
- 2018-04-18 CN CN201810348284.1A patent/CN108249787B/en active Active
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| CN108249787A (en) | 2018-07-06 |
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