阅读说明：本技术 用于制造纤维料幅的制造装置和方法 (Production device and method for producing a fibrous web ) 是由 J.莫泽 于 2018-04-12 设计创作，主要内容包括：本发明涉及一种用于制造多层纤维料幅(2)的制造装置(1),其具有用于构成多层纤维料幅(2)的网部(3)、用于所述多层纤维料幅(2)进一步脱水的压榨部(11)和用于干燥多层纤维料幅(2)的干燥部(37),其中,所述网部(3)包括透气的第一成形带(4),所述第一成形带设置用于构成所述多层纤维料幅(2)的第一层(2a)并且将所构成的多层纤维料幅(2)输送至具有取料装置(8)的取料位置(7),其中,所述取料装置(8)包括取料抽吸元件(9)和包围所述取料抽吸元件的另外的带(10),并且多层纤维料幅(2)通过在取料位置(7)处的取料装置(8)从透气的第一成形带(4)取下,并且压榨部(11)包括至少三个压区(12,13,14),其中最后两个压区(13,14)通过第三压榨元件(17)和第二压榨元件(16)和共同的配合元件(18)构成,所述共同的配合元件(18)具有用于平整所述多层纤维料幅(2)的第一层(2a)的与透气的第一成形带(4)直接接触的侧面的光滑表面,第一压区(12)通过第二压区(13)的第二压榨元件(16)和第一压榨元件(15)构成。按照本发明规定,第一压区(12)被双层铺设毛毡并且具有顶毡(20)和底毡(21),并且所述另外的带(10)设计为透气的传送带(10)并且延伸到第一压区(12)的底毡(21)上以便构成从取料位置(7)直至纤维料幅(2)的转移位置(23)的传送区(22)。(The invention relates to a production device (1) for producing a multi-layered fibrous web (2), having a wire section (3) for forming the multi-layered fibrous web (2), a press section (11) for further dewatering the multi-layered fibrous web (2), and a drying section (37) for drying the multi-layered fibrous web (2), wherein the wire section (3) comprises an air-permeable first forming belt (4) which is provided for forming a first layer (2a) of the multi-layered fibrous web (2) and for transporting the formed multi-layered fibrous web (2) to a material removal position (7) having a material removal device (8), wherein the material removal device (8) comprises a material removal suction element (9) and a further belt (10) surrounding the material removal element, and the multi-layered fibrous web (2) is removed from the air-permeable first forming belt (4) by the material removal device (8) at the material removal position (7), and the press section (11) comprises at least three press nips (12,13,14), wherein the last two press nips (13,14) are formed by a third press element (17) and a second press element (16) and a common mating element (18), said common mating element (18) having a smooth surface for smoothing the side of the first layer (2a) of the multi-layered fibrous web (2) that is in direct contact with the air-permeable first forming belt (4), the first press nip (12) being formed by the second press element (16) of the second press nip (13) and the first press element (15). According to the invention, the first press nip (12) is double-layered and has a top felt (20) and a bottom felt (21), and the further belt (10) is designed as an air-permeable conveyor belt (10) and extends onto the bottom felt (21) of the first press nip (12) in order to form a transfer zone (22) from the removal point (7) to the transfer point (23) of the fibrous web (2).)

1. A production device (1) for producing a multi-layer fibrous web (2), the production device (1) having a wire section (3) for forming the multi-layer fibrous web (2), a press section (11) for further dewatering the multi-layer fibrous web, and a drying section (37) for drying the multi-layer fibrous web (2), wherein the wire section (3) comprises an air-permeable first forming belt (4) which is provided for forming a first layer (2a) of the multi-layer fibrous web (2) and for transporting the formed multi-layer fibrous web (2) to a material removal position (7) having a material removal device (8), wherein the material removal device (8) comprises a material removal suction element (9) and a further belt (10) surrounding the material removal suction element, and the multi-layer fibrous web (2) is removed from the air-permeable first forming belt (4) by the material removal device (8) at the material removal position (7), and the press section comprises at least three press nips (12,13,14), wherein the last two press nips (13,14) are formed by a third press element (17) and a second press element (16) and a common mating element (18), said common mating element (18) having a smooth surface for smoothing the side of the first layer (2a) of the multi-layered fibrous web (2) that is in direct contact with the air-permeable first forming belt (4), and the first press nip (12) is formed by the second press element (16) and the first press element (15) of the second press nip (13),

it is characterized in that the preparation method is characterized in that,

the first press nip (12) is double-layered and has a top felt (20) and a bottom felt (21), and the further belt (10) is designed as an air-permeable conveyor belt (10) and extends onto the bottom felt (21) of the first press nip (12) in order to form a transfer zone (22) from the removal location (7) up to a transfer location (23) of the fibrous web (2).

2. The manufacturing apparatus according to claim 1,

it is characterized in that the preparation method is characterized in that,

the transfer zone (22) is inclined relative to the production direction (38) by an angle of between 0 ° and 120 °, in particular between 20 ° and 120 °, preferably between 80 ° and 120 °.

3. The manufacturing apparatus according to claim 1 or 2,

it is characterized in that the preparation method is characterized in that,

a conveying suction element (24), preferably a suction box, is arranged in the loop formed by the conveyor belt (10), said conveying suction element (24) having at least one suction zone (25,26,27), preferably at least two suction zones (25,26,27), in particular at least three suction zones (25,26,27), in the production direction in the region of the conveying zone (22).

4. The manufacturing apparatus according to claim 1 or 2,

it is characterized in that the preparation method is characterized in that,

the conveying suction element (24) has at least two suction zones (25,26,27) in the production direction (38), and the underpressure in the plurality of suction zones (25,26,27) is arranged in a manner that can be raised in the production direction (38).

5. The manufacturing apparatus according to any one of claims 1 to 4,

it is characterized in that the preparation method is characterized in that,

the conveying suction element (24) is formed by a plurality of individual conveying suction elements (24.1,24.2,24.3), which are preferably each designed as a suction box.

6. Manufacturing device according to one of the preceding claims,

the removal suction element (9) is designed as a suction roller or a tubular or flat suction head.

7. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the extraction suction element (9) is designed as a suction roller and is provided with a groove (28) functionally associated with the suction roller, which is preferably integrated in the conveying suction element (24).

8. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the air permeability (10) of the conveyor belt is greater than the air permeability of the first forming belt (4), in particular at least twice as great as the air permeability of the first forming belt (4).

9. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the conveyor belt (10) is designed as a mesh screen or as an air-permeable membrane or as a spiral screen.

10. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the conveyor belt (10) has no nip.

11. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the wire section (3) comprises at least one first forming unit (3a) with the first forming belt (4) for forming a first layer (2a) of the multi-layer fibrous web (2) and at least one second forming unit (3b) for forming a second layer (2b) of the multi-layer fibrous web (2), at least one second forming unit (3b) and a press-dewatering zone (5), and the forming units (3a,3b) are arranged and configured relative to each other such that the second layer (2b) of the multi-layer fibrous web (2) is pressed onto the first layer (2a) of the multi-layer fibrous web (2) in the press-dewatering zone (5) in order to form the multi-layer fibrous web (2).

12. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the multi-layer fibrous web (2) comprises a white-covered top layer, in particular a white-faced boxboard having a cover layer and a backing layer, and the wire section (2) is provided as the cover layer constituting the first layer (2a) of the multi-layer fibrous web (2).

13. The manufacturing apparatus according to one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the common mating elements (18) of the second and third nips (13,14) are designed as rolls with smooth surfaces.

14. The manufacturing apparatus according to any one of claims 1 to 12,

it is characterized in that the preparation method is characterized in that,

the common mating elements (18) of the second and third press nips (13,14) are designed as rolls with a smooth-surfaced flat belt (19) surrounding the rolls.

15. Method for producing a fibrous multilayer web (2), which is structured in a wire section (3), is further dewatered in a press section (11) and is dried in a drying section (37), wherein a first layer (2a) of the fibrous multilayer web (2) is structured in the wire section (3) on an air-permeable first forming belt (4), and the structured fibrous multilayer web (2) is conveyed by the air-permeable first forming belt (4) to a removal position (7) having a removal device (8), wherein the removal device (8) comprises a removal suction element (9) and a further belt (10) surrounding the removal suction element, and the fibrous multilayer web (2) is removed from the air-permeable first forming belt (4) by the removal device (8) at the removal position (7) via the further belt (10) and is conveyed to a removal position (7) having at least three press nips (12) 13,14), wherein the last two press nips (13,14) are formed by a third and a second press element and a common mating element (18) with a smooth surface, and the side of the first layer (2a) of the multi-layered fibrous web (2) that is in direct contact with the air-permeable first forming belt (4) is brought into direct contact with the common mating element (18) and flattened, and wherein the first press nip (12) is formed by a second press element (16) of the second press nip (13) and a first press element (15),

it is characterized in that the preparation method is characterized in that,

the first nip (12) is double-layered and has a top felt (20) and a bottom felt (21), and the further belt (10) is designed as an air-permeable transfer belt (10) and the multi-layer fibrous web (2) is transferred by the transfer belt (10) onto the bottom felt (21) of the first nip (12) at a transfer location (23).