Dosing hopper and forming station for producing a particle or fibre board and method for filling a dosing hopper with particles

文档序号:1617924 发布日期:2020-01-10 浏览:23次 中文

阅读说明:本技术 用于制造颗粒板或纤维板的配量料斗和成形站以及在配量料斗中填充颗粒的方法 (Dosing hopper and forming station for producing a particle or fibre board and method for filling a dosing hopper with particles ) 是由 M·海特坎普 于 2018-05-18 设计创作,主要内容包括:一种用于生产木质材料的板的成形站,其包括:多个旋风分离器(111、112、113 114)以及配量料斗(100),配量料斗包括:多个入口开口(101、102、103 104),其布置在配量料斗(100)的上侧上,并且分别适于接收来自相应的一个旋风分离器的木质纤维素和/或包括颗粒的纤维素的流,撞击表面,所述撞击表面布置在所述配量料斗(111、112、113、114)的内部并且在上部部分处,其中,所述撞击表面定位在所述多个入口开口(101、102、103、104)下方并且跨越至少所述多个入口开口(101、102、103、104)的累计长度,使得通过多个入口开口(101、102、103、104)进入的各股颗粒流的颗粒撞击在所述撞击表面上;以及输送设备,其适于将已经撞击在撞击表面上的多股颗粒流的颗粒沿着朝向配量料斗(100)的排放端的方向移动,以然后掉落到在配量料斗(100)中的用于存储颗粒的空间中。(A forming station for producing boards of wooden material, comprising: a plurality of cyclones (111, 112, 113114) and a dosing hopper (100) comprising: a plurality of inlet openings (101, 102, 103104) arranged on an upper side of the dosing hopper (100) and each adapted to receive a flow of lignocellulose and/or cellulose including particles from a respective one of the cyclones, an impact surface arranged inside and at an upper portion of the dosing hopper (111, 112,113, 114), wherein the impact surface is positioned below the plurality of inlet openings (101, 102,103, 104) and spans at least a cumulative length of the plurality of inlet openings (101, 102,103, 104) such that particles of a respective flow of particles entering through the plurality of inlet openings (101, 102,103, 104) impinge on the impact surface; and a conveying apparatus adapted to move pellets of the plurality of pellet streams that have impinged on the impingement surface in a direction towards a discharge end of the dosing hopper (100) to then fall into a space in the dosing hopper (100) for storing pellets.)

1. A dosing hopper (100) for producing panels or boards of wooden material, comprising:

a plurality of inlet openings (101, 102, 103104) arranged on an upper side of the dosing hopper (100) and adapted to receive a flow of lignocellulose and/or particle-containing cellulose, respectively, the plurality of inlet openings (101) comprising at least two inlet openings (101, 102, 103104), each inlet opening (101, 102, 103104) being spaced apart from an adjacent inlet opening (101, 102, 103104) in a length direction of the dosing hopper (100);

an impact surface arranged inside the dosing hopper (100) and at an upper portion of the dosing hopper, wherein the impact surface is positioned below the plurality of inlet openings (101, 102, 103104) and spans at least a cumulative length of the plurality of inlet openings (101, 102, 103104) such that pellets of each stream of pellets entering through the plurality of inlet openings (101, 102, 103104) impact on the impact surface; and

a conveying apparatus adapted to move pellets of the plurality of pellet streams that have impinged on the impingement surface in a direction towards a discharge end of the dosing hopper (100) to then fall into a space for storing pellets in the dosing hopper (100).

2. The dosing hopper (100) according to claim 1, characterised in that the impact surface is constituted by a table (105) and in that

The conveying device is constituted by a belt divider arrangement (106) comprising a plurality of belt divider elements adapted to be driven in a continuous movement around the table (105).

3. The dosing hopper (100) according to claim 1, characterized in that the conveying apparatus is constituted by a belt conveyor device, wherein a belt of the belt conveyor device constitutes the impact surface.

4. The dosing hopper (100) according to any of claims 1 to 3, characterized in that the conveying apparatus is further adapted to operate in a pouring mode in which pellets of the plurality of pellet streams that have impinged on the impingement surface move in a direction towards the rear end of the dosing hopper (100) for the purpose of being poured into a pouring collection bin (35).

5. The dosing hopper (100) according to claim 4, wherein the dosing hopper (100) comprises an opening (108) at a rear end of the dosing hopper (100), wherein both the conveying apparatus and the impact surface extend outside the dosing hopper (100) through the opening (108) of the rear end, and wherein the conveying apparatus is adapted to move pellets of a plurality of pellet streams having impinged on the impact surface through the opening (108) of the rear end and outside the dosing hopper (100) for being poured in the pouring mode.

6. The dosing hopper (100) according to claim 4, characterized in that the dosing hopper (100) comprises a movable rear end (115) pivotable between a closed position and an open position, wherein in the open position of the rear end the conveyor apparatus is operable in a dumping mode for dumping particles of a plurality of particle streams having impinged on the impingement surface into a dumping collection bin (35).

7. A forming station for producing panels or boards of wooden material, the forming station comprising:

the dosing hopper (100) according to any of claims 1 to 6, and

a plurality of cyclones (111, 112, 113114) arranged above the dosing hopper (100), the plurality of cyclones (111, 112, 113114) comprising at least two cyclones (111, 112, 113114),

wherein each of the cyclones (111, 112, 113114) is connected to a respective one of the inlets (101, 102, 103104) of the dosing hopper (100).

8. The forming station according to claim 7, wherein each of the cyclones (111, 112, 113114) of the plurality of cyclones (111, 112, 113114) is connected to a respective corresponding inlet (101, 102, 103104) of the dosing hopper (100) via a respective dispensing unit (121, 122,123, 124).

9. The forming station according to claim 8, characterized in that the distribution unit (121) comprises at least one double baffle distribution unit (40).

10. The forming station according to any one of claims 8 to 9, characterized in that the distribution unit (121, 122,123, 124) comprises at least one distribution chute (130).

11. Forming station according to claim 10, wherein the at least one distribution chute (130) comprises at least one inclined portion, wherein the inclination of the inclined portion towards the vertical axis is preferably between 5 and 30 degrees, and preferably between 10 and 20 degrees.

12. Forming station according to any one of claims 9 to 11, wherein the at least one distribution chute (130) comprises a viewing window or a viewing opening allowing inspection of the impact surface.

13. The forming station according to any of claims 7 to 12, characterized in that the plurality of cyclones (111, 112, 113114) comprises at least two cyclones (111, 113) for freshly prepared particulate matter and at least one cyclone (112) for recovered particulate matter, wherein the at least one cyclone (112) for recovered particulate matter is connected to the inlet opening (102) between the inlet openings (101, 103) to which the at least two cyclones (111, 113) for freshly prepared particulate matter are respectively connected.

14. The forming station according to any one of claims 7 to 13, further comprising a scattering head (60), the scattering head (60) for receiving particles from an outlet (110) of the discharge hopper (100) and scattering the particles to a blanket or mat (60).

15. A method for filling lignocellulose and/or cellulose containing particles into a dosing hopper (100) of a forming station for producing panels or boards of a wood material, the method comprising:

providing a plurality of particle streams through a plurality of cyclone separators (111, 112,113, 114), feeding each of said plurality of particle streams directly and separately into a respective one of a plurality of inlet openings (101) and 104) of said dosing hopper (100) for impingement on an impingement surface,

the plurality of inlet openings (101, 102,103, 104) being arranged on an upper side of the dosing hopper (100), the plurality of inlet openings (101, 102,103, 104) comprising at least two inlet openings (101, 102,103, 104), each inlet opening (101, 102,103, 104) being spaced apart from an adjacent inlet opening (101, 102,103, 104) in a length direction of the dosing hopper (100),

arranged inside the dosing hopper (100) and at an upper portion of the dosing hopper (100), the impact surface being positioned below the plurality of inlet openings (101, 102,103, 104) and spanning at least the cumulative length of the plurality of inlet openings (101, 102,103, 104) such that particles of the respective particle flow entering through the plurality of inlet openings (101, 102,103, 104) impinge on the impact surface; and

-mixing the plurality of pellet streams within the dosing hopper (100) by moving pellets of the plurality of pellet streams that have impinged on the impingement surface in a direction towards the discharge end of the dosing hopper (100) with a conveying apparatus, for later falling into a space for storing pellets in the dosing hopper (100).

16. A method according to claim 15, further comprising operating the dosing hopper (100) in a pouring mode, wherein particles of the multiple particle streams that have impinged on the impingement surface are moved by means of the conveying apparatus in a direction towards a rear end of the dosing hopper (100) for the purpose of being poured into a pouring collection bin (35).

17. The method according to any one of claims 15 to 16, wherein the dosing hopper (100) is the dosing hopper (100) according to any one of claims 1 to 6; and/or

The forming station is according to any one of claims 7 to 14; and/or

The plurality of particle streams comprises at least one particle stream of freshly prepared particulate matter; and/or

The plurality of particle streams comprises at least one particle stream of returned particulate matter; and/or

Widening or spreading out at least one particle flow in the width direction of the dosing hopper (100) by means of a distribution unit (121, 122,123, 124), the distribution unit (121, 122,123, 124) being arranged between a cyclone (111, 112,113, 114) supplying the particle flow and an inlet opening (101, 102,103, 104) receiving the particle flow; and/or

The impact surface is constituted by a table (105) and the conveying device is constituted by a belt divider arrangement (106), the belt divider arrangement (106) comprising a plurality of belt divider elements adapted to be driven in a continuous movement, the movement being around the table (105),

or the impact surface is constituted by a belt conveyor device constituting the conveying apparatus.

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