CN110411221B - Device for fully roasting pellets in belt roasting machine - Google Patents
Device for fully roasting pellets in belt roasting machine Download PDFInfo
- Publication number
- CN110411221B CN110411221B CN201910764634.7A CN201910764634A CN110411221B CN 110411221 B CN110411221 B CN 110411221B CN 201910764634 A CN201910764634 A CN 201910764634A CN 110411221 B CN110411221 B CN 110411221B
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- Prior art keywords
- stirring
- hinged
- pellets
- rod
- double
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- 239000008188 pellet Substances 0.000 title claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 106
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 4
- 239000002994 raw material Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Fodder In General (AREA)
Abstract
The invention provides a device for fully roasting pellets in a belt roasting machine, which aims to solve the problem that the quality of pellets is affected due to inconsistent roasting of raw materials of the belt roasting machine; the transmission system consists of a stirring rod group and a connecting rod mechanism. The problem that the quality of the pellets is affected due to inconsistent roasting of the raw material layer in the trolley can be effectively prevented.
Description
Technical Field
The invention relates to a belt roasting machine, in particular to a device and a method for fully roasting pellets in the belt roasting machine.
Background
At present, the belt type roasting machine is widely applied to the pellet production process of various iron ores, integrates drying, preheating, roasting and cooling, and has the advantages of large production scale, compact arrangement and the like. However, such large-scale equipment is inevitably disadvantageous in that when green pellets are fed into the trolley, the green pellets are often stacked by more than 80mm and have a diameter of only 8 to 16mm, and when the trolley moves to the roasting section, the green pellets at the top to the bottom of the raw material layer cannot be roasted uniformly due to the fact that high-temperature gas is sprayed downwards from the top in the roasting area for roasting, and the raw material roasting of the same trolley is inconsistent, so that the quality of the pellets is affected. There is currently no very effective solution to this problem. The method has the characteristics of stability, effectiveness and convenience in installation, and can well solve the problems that the raw material layers in the belt roasting machine trolley are inconsistent in roasting and the quality of pellets is affected.
Disclosure of Invention
The invention provides a device for fully roasting pellets in a belt roasting machine, which can effectively prevent the problem that the quality of the pellets is influenced due to inconsistent roasting of a raw material layer in the trolley.
The technical scheme adopted for solving the technical problems is as follows:
the device for fully roasting the pellets in the belt roasting machine is characterized by comprising a power system and a transmission system;
the power system mainly comprises double-meshed wheels, an upper guide rail, a lower guide rail, rollers and a power connecting rod, wherein the front roller and the rear roller are respectively arranged on two sides of the lower end of the trolley, the two rollers are respectively and coaxially fixed with the double-meshed wheels, the double-meshed wheels are arranged between the upper guide rail and the lower guide rail, and the rollers are correspondingly matched with a planetary gear in a belt roasting machine to be in a state of being stirred between the upper guide rail and the lower guide rail on two sides through the double-meshed wheels; the lower end of the power connecting rod is eccentrically connected to the double-meshed wheel;
the transmission system comprises stirring rods and connecting rods, wherein a plurality of stirring rods are connected to the trolley in a penetrating manner, stirring fins are sleeved on the stirring rods, any stirring rod is hinged to the upper end of the power connecting rod, the stirring rods are hinged to other stirring rods through connecting rods, the length of each power connecting rod is equal to the center distance between the stirring rod of the hinged power connecting rod and a double-meshing wheel, and the hinged eccentric distance of the stirring rod of the hinged power connecting rod is equal to the hinged eccentric distance of the double-meshing wheel.
Further, more than two stirring rods are eccentrically hinged to form a stirring rod group through a plurality of connecting rods, the stirring rod groups are hinged to each other at the corresponding stirring rod hinge position of the stirring rod group through a middle connecting rod, and any stirring rod is hinged to the upper end of a power connecting rod at the hinge position of the plurality of connecting rods.
Further, the stirring fins are divided into a plurality of groups of fins which are uniformly distributed along the direction of the stirring rod.
Further, the fin group is circumferentially provided with four fins on the stirring rod, and the included angles of the fins are 90 ° The next fin group is staggered with the previous fin group, and the included angle is 45 ° 。
Further, parameters of the stirring fin for fully roasting the pellets are controlled as follows: s= (L- (n+1) fatter)/n fatter, wherein s is the number of pellets participating in stirring on a preset expected single fin group, L is the length of a stirring rod, n is the number of stirring fin groups on the stirring rod, and d is the diameter of a spherical mass, and the distance between the fin groups is t.
Further, the shape of the gear teeth of the double-meshed wheels is one or two of dovetail shape, rectangle, ellipse and triangle. The dovetail gear teeth are meshed with the dovetail groove guide rail to have the functions of guiding and compensating left and right gaps, the rectangular gear teeth are meshed with the rectangular groove guide rail to have the functions of gap compensation and limiting, and the rectangular gear teeth and the rectangular groove guide rail are matched with each other, so that the double-meshed wheels and the guide rail are perfectly meshed to enable the trolley to stably advance.
When the roller of the trolley is stirred through the planet wheel after the belt roasting machine is started, double-meshed wheels of the trolley are meshed with the guide rail to stably roll, and then the rotating force is transmitted to twelve stirring rods arranged on the side face of the trolley through the connecting rods and the three connecting rods by the eccentrically arranged power connecting rods, so that the stirring rods are driven to stably rotate, and raw balls filled in the trolley are uniformly stirred by the stirring fins until a working area is completely moved until unloading is achieved.
The beneficial effects of the invention are as follows:
1. through driving stirring fin on the puddler and carrying out stable rotation for the raw pellet homogeneous stirring that fills in the platform truck, all pellets are fully baked when going to the calcination section, and fully even cooling improves pellet calcination quality when the cooling section. The number of pellets expected to participate in stirring is calculated by combining the fin group spacing, the fin number, the stirring rod length and the pellet diameter, so that the raw material pellets, the trolley wall and the fins can be effectively prevented from being blocked in the stirring process, and the pellets are fully conveyed and baked.
2. The double-meshing wheels are meshed with the guide rail, so that the phenomenon that the wheels do not roll and slide relative to the guide rail when the trolley roller is shifted through the planet wheels after the belt roasting machine is started can be effectively prevented, and the double-meshing wheels and the guide rail are meshed with the rectangular grooves through the dovetail shape, so that the double-meshing wheels can rotate stably.
3. When the roller of the trolley is stirred by the planet wheel after the belt roasting machine is started, the double-meshed wheels of the trolley are meshed with the guide rail to stably roll, and then the rotating force is transmitted to the stirring power through the eccentrically arranged power connecting rod to be full and stable and consistent.
Drawings
Fig. 1 is a schematic view of an apparatus for a belt roasting machine capable of fully roasting pellets according to the present invention.
Fig. 2 is a schematic view of a dual-meshed wheel configuration.
Fig. 3 is a schematic view of a rail structure.
In the figure: 1-roller wheels, 2-trolley, 3-upper guide rail, 4-lower guide rail, 5-double-meshed wheels, 6-power connecting rod, 7-three connecting rod I, 8-connecting rod, 9-stirring rod I, 10-three connecting rod II, 11-stirring rod II, 12-stirring rod III, 13-stirring rod IV, 14-stirring rod six, 15-stirring rod seven and 16-stirring fin.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments, but the scope of the invention is not limited thereto.
As shown in fig. 1-3, the power system of the device for fully roasting pellets in the belt roasting machine mainly comprises double-meshed wheels 5, an upper guide rail 3, a lower guide rail 4, rollers 1 and a power connecting rod 6, wherein the front and rear rollers 1 are arranged on two sides of the lower end of a trolley 2, the two rollers 1 are respectively and coaxially fixed with the double-meshed wheels 5, the double-meshed wheels 5 are arranged between the upper guide rail 3 and the lower guide rail 4, and the rollers 1 are correspondingly matched with a planetary gear in the belt roasting machine to enable the trolley 2 to move between the upper guide rail and the lower guide rail on two sides through the double-meshed wheels 5 by stirring; the lower end of the power connecting rod 6 is eccentrically connected to the double-meshed wheel 5;
the transmission system comprises a first three-connecting rod 7, a connecting rod 8, a first stirring rod 9, a second three-connecting rod 10, a second stirring rod 11, a third stirring rod 12, a fourth stirring rod 13, a sixth stirring rod 14, a seventh stirring rod 15 and stirring fins 16. Twelve stirring rods are equidistantly arranged on a single trolley, six stirring rods are divided into an upper group and a lower group, the upper group of three stirring rods are connected through a three-connecting-rod two 10 hinge, the lower group of three stirring rods are connected through a three-connecting-rod one 7 hinge, the hinged positions of the stirring rods three and four in the upper group and the lower group of stirring rods and the hinged positions of the stirring rods four in the upper group and the lower group of stirring rods are connected through a connecting rod 8 hinge, and the hinged positions of the stirring rods four are hinged with a power connecting rod 6, the connecting rod 8 and the three-connecting-rod one 7. When the double-meshed wheels roll, the stirring rod is driven to rotate by the linkage of the power connecting rod, the first three connecting rods and the second three connecting rods, so that power is transmitted to the stirring rod, and the stirring function in the trolley is realized. The stirring rods are connected to the trolley in a penetrating manner, stirring fins 16 are sleeved on the stirring rods, any stirring rod is hinged to the upper end of a power connecting rod, the stirring rods are hinged to other stirring rods through connecting rods, the length of the power connecting rod 6 is equal to the center distance between the stirring rod of the hinged power connecting rod and the double-meshing wheel 5, the hinged eccentric distance of the stirring rod of the hinged power connecting rod is equal to the hinged eccentric distance of the double-meshing wheel 5, the stirring fins 16 are divided into a plurality of fin groups uniformly distributed along the direction of the stirring rod, four fins are circumferentially arranged on the stirring rod, and two included angles 90 are formed between the four fins ° The next fin group is staggered with the previous fin group, and the included angle is 45 ° . The parameters of the stirring fin for fully roasting the pellets are controlled as follows: s= (L- (n+1) fatting)/n d, wherein s is the number of pellets participating in stirring on a preset expected single fin group, L is the length of a stirring rod, n is the number of stirring fin groups on the stirring rod, d is the diameter of a raw material pellet, and the distance between the fin groups is t
In order to prevent the raw material pellets from being blocked with the trolley walls and the fins in the stirring process. The series of stirring rods should be sized to match according to the specific model of the trolley. The fins on the stirring paddle are circumferentially arranged every 4 pieces, and the included angles are 90. The next group of fins are staggered from the previous group by an included angle 45. And so on. The fins are required to be staggered for assembly between each stirring rod.
The invention aims to solve the problems that raw materials in a trolley are not baked uniformly and the quality of pellets is affected, when a belt type roasting machine is started and a trolley roller is stirred by a planet wheel, four double-meshed wheels of the trolley can be perfectly meshed with a guide rail to roll stably, and further, a rotating force is transmitted to twelve stirring rods arranged on the side surface of the trolley through a connecting rod and three connecting rods by virtue of an eccentrically arranged power connecting rod, so that the stirring rods are driven to rotate stably, and the raw pellets filled in the trolley are uniformly stirred by stirring fins until the trolley runs out of a working area to discharge.
The device and the method for fully roasting the pellets in the belt roasting machine are introduced. The principles and embodiments of the present invention have been described herein with reference to specific embodiments, but the description of the embodiments is only intended to facilitate the understanding of the method of the present invention and its core ideas and is not intended to limit the spirit and scope of the invention.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above-described embodiments, and any obvious modifications, substitutions or variations that can be made by one skilled in the art without departing from the spirit of the present invention are within the scope of the present invention.
Claims (3)
1. The device for fully roasting the pellets in the belt roasting machine is characterized by comprising a power system and a transmission system;
the power system mainly comprises double-meshed wheels, an upper guide rail, a lower guide rail, rollers and a power connecting rod, wherein the front roller and the rear roller are respectively arranged on two sides of the lower end of the trolley, the two rollers are respectively and coaxially fixed with the double-meshed wheels, the double-meshed wheels are arranged between the upper guide rail and the lower guide rail, and the rollers are correspondingly matched with a planetary gear in a belt roasting machine to be in a state of being stirred between the upper guide rail and the lower guide rail on two sides through the double-meshed wheels; the lower end of the power connecting rod is eccentrically connected to the double-meshed wheel;
the transmission system comprises stirring rods and connecting rods, wherein a plurality of stirring rods are connected onto the trolley in a penetrating way, stirring fins are sleeved on the stirring rods, any stirring rod is hinged to the upper end of the power connecting rod, any stirring rod is hinged to other stirring rods through connecting rods, the length of the power connecting rod is equal to the center distance between the stirring rod of the hinged power connecting rod and a double-meshing wheel, and the hinged eccentric distance of the stirring rod of the hinged power connecting rod is equal to the hinged eccentric distance of the double-meshing wheel;
the stirring fins are divided into a plurality of groups of fin groups uniformly distributed along the direction of the stirring rod, four fins are circumferentially arranged on the stirring rod by the fin groups, every two of the fins have an included angle of 90 degrees, the next fin group and the last fin group are staggered, the included angle of 45 degrees, and parameters of the stirring fins for fully roasting the pellets are controlled as follows: s= (L- (n+1) fatter)/n fatter, wherein s is the number of pellets participating in stirring on a preset expected single fin group, L is the length of a stirring rod, n is the number of stirring fin groups on the stirring rod, and d is the diameter of a spherical mass, and the distance between the fin groups is t.
2. The apparatus for fully firing pellets in a belt firing machine according to claim 1, wherein two or more stirring bars are eccentrically hinged to form a stirring bar group, the plurality of stirring bar groups are hinged to each other at a corresponding stirring bar hinge of the stirring bar group through an intermediate link, and any stirring bar is hinged to the upper end of a power link at a hinge of the multi-link.
3. The apparatus for fully firing pellets in a belt firing machine of claim 1 wherein the tooth shape of the dual-meshed wheels is one or a combination of two of dove-tail, rectangular, oval, triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764634.7A CN110411221B (en) | 2019-08-19 | 2019-08-19 | Device for fully roasting pellets in belt roasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764634.7A CN110411221B (en) | 2019-08-19 | 2019-08-19 | Device for fully roasting pellets in belt roasting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110411221A CN110411221A (en) | 2019-11-05 |
| CN110411221B true CN110411221B (en) | 2024-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910764634.7A Active CN110411221B (en) | 2019-08-19 | 2019-08-19 | Device for fully roasting pellets in belt roasting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN110411221B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR862080A (en) * | 1939-01-03 | 1941-02-26 | Roasting oven | |
| BE576599A (en) * | 1959-03-11 | 1959-09-11 | Mc Dowell Company | Apparatus for mixing different materials in the finely divided state, in particular with a view to their sintering. |
| US3774891A (en) * | 1971-06-10 | 1973-11-27 | N Plotkin | Annular roasting machine for loose materials |
| CN1099421A (en) * | 1994-07-04 | 1995-03-01 | 冶金工业部钢铁研究总院 | Belt-type roasting device and method using coal powder |
| JP2004069620A (en) * | 2002-08-08 | 2004-03-04 | Mitsubishi Heavy Ind Ltd | Basket for storing recycle fuel assembly and container for storing recycle fuel assembly |
| CN201417092Y (en) * | 2009-05-19 | 2010-03-03 | 江苏宏大特种钢机械厂有限公司 | Detachable pelletizing cycle refrigerator trolley |
| KR20130090600A (en) * | 2012-02-06 | 2013-08-14 | 동화에너지코리아 주식회사 | Apparatus and method of manufacturing torrefied pellet, and torrefied pellet |
| WO2015152112A1 (en) * | 2014-04-01 | 2015-10-08 | Ｊｆｅスチール株式会社 | Device for manufacturing pelletized sinter feed |
| CN205588477U (en) * | 2016-05-12 | 2016-09-21 | 江西应用技术职业学院 | Fly ash multistage agitation device |
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| CN210464030U (en) * | 2019-08-19 | 2020-05-05 | 江苏宏大特种钢机械厂有限公司 | Device for fully roasting pellets in belt type roasting machine |
-
2019
- 2019-08-19 CN CN201910764634.7A patent/CN110411221B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR862080A (en) * | 1939-01-03 | 1941-02-26 | Roasting oven | |
| BE576599A (en) * | 1959-03-11 | 1959-09-11 | Mc Dowell Company | Apparatus for mixing different materials in the finely divided state, in particular with a view to their sintering. |
| US3774891A (en) * | 1971-06-10 | 1973-11-27 | N Plotkin | Annular roasting machine for loose materials |
| CN1099421A (en) * | 1994-07-04 | 1995-03-01 | 冶金工业部钢铁研究总院 | Belt-type roasting device and method using coal powder |
| JP2004069620A (en) * | 2002-08-08 | 2004-03-04 | Mitsubishi Heavy Ind Ltd | Basket for storing recycle fuel assembly and container for storing recycle fuel assembly |
| CN201417092Y (en) * | 2009-05-19 | 2010-03-03 | 江苏宏大特种钢机械厂有限公司 | Detachable pelletizing cycle refrigerator trolley |
| KR20130090600A (en) * | 2012-02-06 | 2013-08-14 | 동화에너지코리아 주식회사 | Apparatus and method of manufacturing torrefied pellet, and torrefied pellet |
| WO2015152112A1 (en) * | 2014-04-01 | 2015-10-08 | Ｊｆｅスチール株式会社 | Device for manufacturing pelletized sinter feed |
| CN205588477U (en) * | 2016-05-12 | 2016-09-21 | 江西应用技术职业学院 | Fly ash multistage agitation device |
| CN206120752U (en) * | 2016-08-29 | 2017-04-26 | 北京同仁堂（亳州）饮片有限责任公司 | Full -automatic stir -fry medicine machine |
| CN108079895A (en) * | 2018-02-05 | 2018-05-29 | 温州大学激光与光电智能制造研究院 | Powdering system and 3D printer are sent in dynamic feed device, mixing arrangement, 3D printing |
| CN210464030U (en) * | 2019-08-19 | 2020-05-05 | 江苏宏大特种钢机械厂有限公司 | Device for fully roasting pellets in belt type roasting machine |
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| Publication number | Publication date |
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| CN110411221A (en) | 2019-11-05 |
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