CN202717791U - Uniform distribution device of rotary hearth furnace - Google Patents

Uniform distribution device of rotary hearth furnace Download PDF

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Publication number
CN202717791U
CN202717791U CN 201220309197 CN201220309197U CN202717791U CN 202717791 U CN202717791 U CN 202717791U CN 201220309197 CN201220309197 CN 201220309197 CN 201220309197 U CN201220309197 U CN 201220309197U CN 202717791 U CN202717791 U CN 202717791U
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CN
China
Prior art keywords
hearth furnace
rotary hearth
transfer roller
baffle plate
rotary
Prior art date
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Withdrawn - After Issue
Application number
CN 201220309197
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Chinese (zh)
Inventor
王小伟
唐恩
周强
喻道明
秦涔
胡雪萍
牟丹
田杰
王文聪
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Priority to CN 201220309197 priority Critical patent/CN202717791U/en
Application granted granted Critical
Publication of CN202717791U publication Critical patent/CN202717791U/en
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Abstract

The utility model relates to a uniform distribution device of a rotary hearth furnace. A rotary table of the rotary hearth furnace is annular; the uniform distribution device is characterized by mainly comprising a first-stage belt conveyer, a second-stage belt conveyer, a homogenizing baffle plate and a feed port which are arranged on the rotary table of the rotary hearth furnace, wherein the first-stage belt conveyer is butted against the second-stage belt conveyer from the direction basically tangential to the rotary table of the rotary hearth furnace in a suspending manner; a belt of the second-stage belt conveyer is annular, the ring width is less than the ring width of the rotary table, and the center of circle is overlapped with the center of circle of the rotary table of the rotary hearth furnace; the homogenizing baffle plate is arranged on the second-stage belt conveyer in a suspending manner; and the tail end of the second-stage belt conveyer is indirectly butted against the rotary table of the rotary hearth furnace through the feed port. The uniform distribution device has the advantages of simple structure, reliable work and capability of reducing the damage to a material by the homogenizing baffle plate while realizing uniform distribution.

Description

A kind of rotary hearth furnace uniform distribution device
Technical field
The utility model belongs to the ferrous metallurgy field, is specifically related to a kind of device to the rotary hearth furnace uniform distribution, realizes that material is continuous, even, the uniform thickness cloth.
Background technology
In the granular material banking process, owing to self physical property, can automatically form angle of rest (repose), the cross section of whole material is the shape of falling V, cause intermediate material more, and the both sides material is less, if direct cloth can cause cloth inhomogeneous, particularly for the rotary hearth furnace device.Because the reduction siege of rotary hearth furnace ringwise, in the working process, there is certain linear velocity difference in inner and outer ring, causes uniform distribution more difficult.If can not realize uniform distribution, it is inhomogeneous then can to cause on the furnace bottom anchor ring cold bound pellet to be heated, and degree of metalization is inconsistent, and then affects the reduction quality of material, and causes production efficiency low.
The utility model content
The technical problems to be solved in the utility model is: a kind of rotary hearth furnace uniform distribution device is provided, is used for to the rotary hearth furnace panoramic tables feeding and distributes material, can on the whole available table top of turn around table, all press, continuously, the cloth of uniform thickness.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of rotary hearth furnace uniform distribution device, rotary hearth furnace panoramic tables are annular; It is characterized in that: mainly comprise the one-level rotary conveyor, second belt transfer roller, homocline baffle plate, the charging opening that are arranged on the rotary hearth furnace panoramic tables; The one-level rotary conveyor is from docking with the second belt transfer roller is unsettled with the substantially tangent direction of rotary hearth furnace panoramic tables; The second belt conveyer belt is circular, and ring width is less than the turn around table ring width, and the center of circle overlaps with the rotary hearth furnace panoramic tables center of circle; The unsettled homocline baffle plate that arranges on the second belt transfer roller; The end of second belt transfer roller docks with rotary hearth furnace panoramic tables indirectly by charging opening.
By technique scheme, before, during and after described second belt transfer roller is divided into three sections, the material of leading portion in order to accept to carry from the one-level rotary conveyor; The top, stage casing is provided with the homocline baffle plate, in order to even material from the one-level rotary conveyor; The back segment carrying is in order to be sent to the uniformly material of rotary hearth furnace panoramic tables.
By technique scheme, described second belt transfer roller rotating speed is consistent with rotary hearth furnace panoramic tables.
By technique scheme, described homocline baffle plate can move up and down.
By technique scheme, the homocline baffle plate is the triangle flat plate of horizontal positioned, and the upper and lower plates face is parallel with strap surface, and thickness is positioned at vertical direction, and a drift angle is positioned in the middle of the belt and towards the supplied materials direction.
By technique scheme, the homocline baffle plate is that upper and lower plate face and the two sides of horizontal positioned are leg-of-mutton pentahedron sketch plate, and the sketch plate drift angle is positioned in the middle of the belt and towards the supplied materials direction; Thickness is positioned at vertical direction; Upper face is the horizontal plane parallel with strap surface, and lower face is drift angle triangular ramp up, and the drift angle of triangular ramp is combined with the sketch plate drift angle and is made the sketch plate two sides become right-angle triangle.
Adopt the rotary hearth furnace uniform charging method of said apparatus, rotary hearth furnace panoramic tables is annular; It is characterized in that: during to the rotary hearth furnace cloth, material from stock yard near the one-level rotary conveyor is delivered to rotary hearth furnace, and be delivered to the second belt transfer roller, after the homocline of homocline baffle plate, material evenly distributes on the second belt transfer roller, then through being transported to behind the charging opening on the rotary hearth furnace panoramic tables, realize to the rotary hearth furnace panoramic tables uniform distribution.
By technique scheme, described second belt transfer roller rotating speed is consistent with rotary hearth furnace panoramic tables,, uniform thickness even to realize, continuous cloth.
By technique scheme, described homocline baffle plate can move up and down, to regulate the thickness of homogeneous material according to need of production.
With respect to prior art, the utility model is realized slitless connection conveying cloth by the multi-stage, belt transfer roller, and is simple in structure, reliable operation; Above second belt transfer roller stage casing, establish the homocline baffle plate, in order to even material from the one-level rotary conveyor; Described homocline baffle plate vertical view is triangular in shape, and drift angle is realized the material while on the even second belt transfer roller facing to convey materials, reduces the homocline baffle plate to the breakage of material.Described second belt transfer roller rotating speed is consistent with rotary hearth furnace panoramic tables, with realize evenly, uniform thickness, continuous cloth.Simultaneously, in order to adapt to diversified cloth demand, the homocline baffle plate can move up and down, to regulate the thickness of homogeneous material according to need of production.
Description of drawings
Fig. 1 is rotary hearth furnace uniform distribution device vertical view of the present utility model (two kinds of embodiments is identical);
Fig. 2 is rotary hearth furnace uniform distribution device side-view of the present utility model (the first embodiment);
Fig. 3 is that the material of second belt transfer roller leading portion of the present utility model is stacked schematic cross-section (before the homocline, two kinds of embodiments are identical);
Fig. 4 is that the material of second belt transfer roller back segment of the present utility model is stacked schematic cross-section (after the homocline, two kinds of embodiments are identical);
Fig. 5 is the homocline baffle arrangement synoptic diagram (front view) of the first embodiment of the present utility model.
Fig. 6 is the homocline baffle arrangement synoptic diagram (front view) of the second embodiment of the present utility model.
Fig. 7 is the homocline baffle arrangement synoptic diagram (left view) of the second embodiment of the present utility model.
Wherein: 1---the one-level rotary conveyor; 2---the second belt transfer roller; 3---the homocline baffle plate; 4---charging opening; 5---rotary hearth furnace panoramic tables; 6---material.
Embodiment
For understanding better the utility model, the utility model will be further described below in conjunction with drawings and Examples.
The first embodiment:
Such as Fig. 1-5, according to a kind of rotary hearth furnace uniform distribution device that the utility model is implemented, rotary hearth furnace panoramic tables 5 is annular; It is characterized in that: mainly comprise the one-level rotary conveyor 1, second belt transfer roller 2, homocline baffle plate 3, the charging opening 4 that are arranged on the rotary hearth furnace panoramic tables 5; Second belt transfer roller 2 belts are circular, and ring width is less than turn around table 5 ring widthes, and the center of circle overlaps with rotary hearth furnace panoramic tables 5 centers of circle; One-level rotary conveyor 1 is from the direction and second belt transfer roller 2 unsettled dock substantially tangent with rotary hearth furnace panoramic tables 5, and the end of second belt transfer roller 2 docks with rotary hearth furnace panoramic tables 5 indirectly by charging opening 4; During to the rotary hearth furnace cloth, material 6, and is delivered on the second belt transfer roller 2 near one-level rotary conveyor 1 is delivered to rotary hearth furnace from stock yard; The unsettled homocline baffle plate 3 that arranges on second belt transfer roller 2, after 3 homoclines of homocline baffle plate, material 6 evenly distributes on second belt transfer roller 2, then is transported on the rotary hearth furnace panoramic tables behind charging opening 4, realizes to the rotary hearth furnace panoramic tables uniform distribution.
Before, during and after described second belt transfer roller 2 is divided into three sections, the material of leading portion in order to accept to carry from the one-level rotary conveyor; The top, stage casing is provided with homocline baffle plate 3, in order to even material from the one-level rotary conveyor; The back segment carrying is in order to be sent to the uniformly material of rotary hearth furnace panoramic tables.
Described second belt transfer roller 2 rotating speeds are consistent with rotary hearth furnace panoramic tables 5, with realize evenly, uniform thickness, continuous cloth.
Described homocline baffle plate 3 can move up and down, to regulate the thickness of homogeneous material according to need of production.
Shown in Fig. 1,2,5, homocline baffle plate 3 is that the isosceles triangle of horizontal positioned is dull and stereotyped, and the upper and lower plates face is parallel with strap surface, and thickness is positioned at vertical direction, and drift angle is positioned in the middle of the belt and towards the supplied materials direction.Certainly, triangle flat plate also can be the trilateral of non-isosceles, only needs this moment a drift angle to be positioned in the middle of the belt and towards the supplied materials direction and gets final product.
The second embodiment:
Other structures of rotary hearth furnace uniform distribution device are identical with the first embodiment, different is shown in Fig. 6 and 7, homocline baffle plate 3 is leg-of-mutton pentahedron sketch plate for the upper and lower plate face of horizontal positioned and two sides, and the sketch plate drift angle is positioned in the middle of the belt and towards the supplied materials direction; Thickness is positioned at vertical direction; Upper face is the horizontal plane parallel with strap surface, and lower face is drift angle triangular ramp up, and the drift angle of triangular ramp is combined with the sketch plate drift angle and is made the sketch plate two sides become right-angle triangle.In the present embodiment, left and right sides right-angle triangle is symmetrical, can be asymmetrical trilateral, only needs this moment the sketch plate drift angle to be positioned in the middle of the belt and towards the supplied materials direction and gets final product.
Such as Fig. 1-5 or a kind of rotary hearth furnace uniform charging method shown in Fig. 1,3,4,6,7, rotary hearth furnace panoramic tables 5 is annular; It is characterized in that: mainly comprise the one-level rotary conveyor 1, second belt transfer roller 2, homocline baffle plate 3, the charging opening 4 that are arranged on the rotary hearth furnace panoramic tables; Second belt transfer roller 2 belts are circular, and ring width is less than the turn around table ring width, and the center of circle overlaps with the rotary hearth furnace panoramic tables center of circle; One-level rotary conveyor 1 is from the direction and second belt transfer roller 2 unsettled dock substantially tangent with rotary hearth furnace panoramic tables, and the end of second belt transfer roller docks with rotary hearth furnace panoramic tables 5 indirectly by charging opening 4; During to the rotary hearth furnace cloth, as shown in Figure 3-4, material 6 near one-level rotary conveyor 1 is delivered to rotary hearth furnace, and is delivered to second belt transfer roller 2 from stock yard; The unsettled homocline baffle plate 3 that arranges on the second belt transfer roller, after the homocline of homocline baffle plate, under the effect of homocline baffle plate 3, evenly continuous being distributed on the second belt transfer roller 2 of uniform thickness, then through being transported to behind the charging opening on the rotary hearth furnace panoramic tables, realize to the rotary hearth furnace panoramic tables uniform distribution.Because second belt transfer roller 2 is circular, circular frequency is consistent with rotary hearth furnace panoramic tables 5, and material 6, just can be uniformly distributed on the rotary hearth furnace panoramic tables 5 when charging opening 4 adds rotary hearth furnace panoramic tables 5 from second belt transfer roller 2 back segments, realizes uniform distribution.
The above disclosed preferred embodiment that only has more deeply concrete understanding to take for the utility model is not to limit scope of the present utility model.The utility model also can be used for other annular uniform distribution, and the equivalence of doing under the prerequisite that does not break away from conception principle of the present utility model changes and revises, and still belongs to protection domain of the present utility model.

Claims (6)

1. rotary hearth furnace uniform distribution device, rotary hearth furnace panoramic tables is annular; It is characterized in that: mainly comprise the one-level rotary conveyor, second belt transfer roller, homocline baffle plate, the charging opening that are arranged on the rotary hearth furnace panoramic tables; The one-level rotary conveyor is from docking with the second belt transfer roller is unsettled with the substantially tangent direction of rotary hearth furnace panoramic tables; The second belt conveyer belt is circular, and ring width is less than the turn around table ring width, and the center of circle overlaps with the rotary hearth furnace panoramic tables center of circle; The unsettled homocline baffle plate that arranges on the second belt transfer roller; The end of second belt transfer roller docks with rotary hearth furnace panoramic tables indirectly by the charging opening of unsettled setting.
2. distribution device according to claim 1 is characterized in that: before, during and after described second belt transfer roller is divided into three sections, and the material of leading portion in order to accept to carry from the one-level rotary conveyor; The top, stage casing is provided with the homocline baffle plate, in order to even material from the one-level rotary conveyor; The back segment carrying is in order to be sent to the uniformly material of rotary hearth furnace panoramic tables.
3. distribution device according to claim 1 and 2, it is characterized in that: described second belt transfer roller rotating speed is consistent with rotary hearth furnace panoramic tables.
4. distribution device according to claim 3, it is characterized in that: described homocline baffle plate can move up and down.
5. according to claim 1 and 2 or 4 described distribution devices, it is characterized in that: the homocline baffle plate is the triangle flat plate of horizontal positioned, and the upper and lower plates face is parallel with strap surface, and thickness is positioned at vertical direction, and a drift angle is positioned in the middle of the belt and towards the supplied materials direction.
6. according to claim 1 and 2 or 4 described distribution devices, it is characterized in that: the homocline baffle plate is that upper and lower plate face and the two sides of horizontal positioned are leg-of-mutton pentahedron sketch plate, and the sketch plate drift angle is positioned in the middle of the belt and towards the supplied materials direction; Thickness is positioned at vertical direction; Upper face is the horizontal plane parallel with strap surface, and lower face is drift angle triangular ramp up, and the drift angle of triangular ramp is combined with the sketch plate drift angle and is made the sketch plate two sides become right-angle triangle.
CN 201220309197 2012-06-29 2012-06-29 Uniform distribution device of rotary hearth furnace Withdrawn - After Issue CN202717791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220309197 CN202717791U (en) 2012-06-29 2012-06-29 Uniform distribution device of rotary hearth furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220309197 CN202717791U (en) 2012-06-29 2012-06-29 Uniform distribution device of rotary hearth furnace

Publications (1)

Publication Number Publication Date
CN202717791U true CN202717791U (en) 2013-02-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220309197 Withdrawn - After Issue CN202717791U (en) 2012-06-29 2012-06-29 Uniform distribution device of rotary hearth furnace

Country Status (1)

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CN (1) CN202717791U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102719586A (en) * 2012-06-29 2012-10-10 中冶南方工程技术有限公司 Device and method for uniformly distributing materials for rotary hearth furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102719586A (en) * 2012-06-29 2012-10-10 中冶南方工程技术有限公司 Device and method for uniformly distributing materials for rotary hearth furnace

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AV01 Patent right actively abandoned

Granted publication date: 20130206

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Effective date of abandoning: 20140212

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