[특허]Bin arrangement for the collecting and discharging of smaller ligno-cellulosic material

VALMET AB

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특허 상세정보

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Bin arrangement for the collecting and discharging of smaller ligno-cellulosic material

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-088/28 D21C-007/08 B65D-088/68 D21C-007/02 D21C-007/06 D21D-005/28
출원번호	US-0776213 (2014-03-14)
등록번호	US-9816229 (2017-11-14)
우선권정보	WO-PCT/SE2013/050284 (2013-03-15)
국제출원번호	PCT/SE2014/050317 (2014-03-14)
국제공개번호	WO2014/142743 (2014-09-18)
발명자 / 주소	Bjornvall, Patrik Ransjo, Henrik Wilhelmsson, Magnus Saetherasen, Jonas
출원인 / 주소	VALMET AB
대리인 / 주소	Fasth Law Offices
인용정보	피인용 횟수 : 0 인용 특허 : 9

초록
▼

The bin arrangement is for collecting and discharging smaller ligno-cellulosic material. The bin has a transition part from a circular section of the bin and downwardly to a rectangular section with a long and short side of the rectangular section. The transition part could be built with few wall segments, thus needing less welding. Two rotary pocket feeders, each with at least one shaft extending parallel to the long side, are arranged directly under the rectangular section, enabling a uniform feed from the bin. The use of two rotary pocket feeders with this design directly under the bin does not destroy the even feed of material through the bin part, which otherwise is experienced from using conventional feed screws that feed material in a transverse direction from the bin outlet. The bin does not need to have a complex bin design which converges to a small circular inlet to a conventional rotary pocket feeder.

대표
청구항
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1. A bin arrangement for collecting and discharging of wood chips, comprising: a cylindrical upper part having a cylindrical upper part inlet defined therein, and a conical lower part having a conical lower part outlet defined therein, the conical lower part comprising a circular upper edge, an essentially rectangular shaped lower edge having two first opposing long sides and two second opposing short sides;the conical lower part having a first and a second triangular shaped segment extending from the circular upper edge to the rectangular lower edge, the first triangular shaped segment being substantially congruent with and disposed opposite to the second triangular shaped segment;a first, second, third and fourth curved segment extending from the circular upper edge to the rectangular lower edge, the first curved segment being substantially congruent with and disposed opposite to the fourth curved segment, the second curved segment being substantially congruent with and disposed opposite to the third curved segment, the first and fourth curved segments being different from the second and third curved segments, the first triangular shaped segment being disposed between the first and second curved segments and the second triangular shaped segment being disposed between the third and fourth curved segments;a third and a fourth isosceles triangular shaped segment each extending from the circular upper edge to the rectangular lower edge, the third triangular shaped segment being substantially congruent with and disposed opposite to the fourth triangular shaped segment, the third triangular shaped segment being disposed between the first curved segment and the third curved segment, the fourth triangular shaped segment being disposed between the second curved segment and the fourth curved segment;the lower edge having an opening formed therein, the opening having a rectangular shape with a ratio of the first long sides to the second short sides being in a range of 1.5-4:1;a rotary pocket feeder being mounted directly below the lower edge, the rotary pocket feeding having an inlet (IN) and an outlet (OT) defined therein, the inlet (IN) having a form congruent to the essentially rectangular shape of the lower edge and the outlet (OT) of the rotary pocket feeder on an opposite side of the rotary pocket feeder also having a form congruent to the essentially rectangular shape of the lower edge;the rotary pocket feeder having two counter rotating feeder means for feeding the chips, the two counter rotating feeder means having vanes arranged to rotate the two counter rotating feeder means so that the chips are fed downwardly into pockets of the two counter rotating feeder means and into a middle of the two counter rotating feeder means, each counter rotating feeder means having a rotating axis arranged between the inlet (IN) and the outlet (OT) of the rotary pocket feeder and driven by a motor, the rotating axis extending in a direction that is parallel to the first long sides, and to radially open pockets separated by at least 6 vanes on the rotating axis, each vane running from one end of the rotating axis to another end of the rotating axis and between the second short sides; andthe conical lower part outlet being centrally located relative to the circular upper edge and the cylindrical upper part inlet. 2. The bin arrangement according to claim 1 wherein the vanes of the rotary pocket feeder are straight along the rotating axis of the two counter rotating feeder means. 3. The bin arrangement according to claim 1 wherein the vanes of the rotary pocket feeder are axially turned around the rotating axis of the two counter rotating feeder means. 4. The bin arrangement according to claim 3 wherein the vanes are turned so that a first end of a first vane and a second end of a second vane are disposed along a line parallel to the rotating axis of the two counter rotating feeder means. 5. The bin arrangement according to claim 1 wherein lengths of both the first lona sides and the second short sides of the essentially rectangular lower edge are shorter than a diameter of the upper edge; and the surface comprises:two first opposing segments, each first opposing segment being disposed between the upper edge and one of the first long sides of the lower edge; two second opposing segments, each second opposing segment being disposed between the upper edge and one of the short second sides of the lower edge; and four intermediate segments, each of the intermediate segments being disposed between the upper edge, the lower edge, one of the first opposing segments and one of second opposing segments. 6. The bin arrangement according to claim 5 wherein each of the two first opposing segments is flat and essentially triangular having a base of a triangle towards one of the first long sides of the essentially rectangular lower edge. 7. The bin arrangement according to claim 6 wherein each of the two first opposing segments forms a first angle (α1) of 1-10° relative to an imaginary vertical line extending downwardly in a vertical direction from the circular upper edge of the conical lower part. 8. The bin arrangement according to claim 7 wherein each of the two second opposing segments is flat and essentially triangular having a base of a triangle towards one of the second short sides of the essentially rectangular lower edge. 9. The bin arrangement according to claim 8 wherein each of the two second opposing segments forms a second angle (α2) of 5-20°, relative to an imaginary vertical line extending downwardly in a vertical direction from the circular upper edge of the conical lower part. 10. The bin arrangement according to claims 9 wherein the essentially rectangular lower edge has rounded corners. 11. The bin arrangement according to claim 10 wherein four intermediate segments are curved.

이 특허에 인용된 특허 (9)

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특허 상세정보

Bin arrangement for the collecting and discharging of smaller ligno-cellulosic material

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이 특허에 인용된 특허 (9)

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특허 상세정보

Bin arrangement for the collecting and discharging of smaller ligno-cellulosic material

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이 특허에 인용된 특허 (9)

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상세정보조회

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IPC 상세정보(version : 201201)

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