CN210621335U

CN210621335U - Three-ring bottom net high-speed papermaking felt

Info

Publication number: CN210621335U
Application number: CN201921715604.9U
Authority: CN
Inventors: 付玲; 吴少华; 于海松; 朱长虹; 姜朝阳; 吴剑波
Original assignee: Zhengzhou Feierte Net Carpet Co ltd
Current assignee: Zhengzhou Feierte Net Carpet Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-05-26
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a three-ring bottom net high-speed papermaking felt, including the upper bottom net layer, the middle bottom net layer and the lower bottom net layer that set up by muff coupling, the upper bottom net layer is the ring-shaped base net of 3/1 single-layer broken twill weave structure, the middle bottom net layer is the ring-shaped base net of 1/1 single-layer plain weave structure, the lower bottom net layer is the ring-shaped base net of 2/2 single-layer broken twill weave structure; the surface of the upper bottom mesh layer is sequentially provided with a middle fiber layer and a paper surface fiber layer which are formed by needling and hot-press shaping, and the surface of the lower bottom mesh layer is provided with a bottom surface fiber layer which is formed by needling and hot-press shaping. The utility model provides a high-speed papermaking woollen blanket of three ring-shaped end nets, simple structure easily makes, and size stability, level and smooth, good, the air permeability of deflection are big, have high elasticity, high dehydration nature, and anti-seismic performance is good, long service life, can bear the requirement of high-speed, the high-speed operation of altitude nipper, make the device keep long-term steady operation to obtain the higher product of quality.

Description

Three-ring bottom net high-speed papermaking felt

Technical Field

The utility model belongs to the technical field of the papermaking felt technique and specifically relates to a three-ring bottom net high speed papermaking felt is related to.

Background

Under the conditions of high speed, high yield, high efficiency and high environmental protection operation of the high-speed paper machine, more strict requirements are provided for a complete system of the high-speed paper machine, and the paper making felt medium used for transferring paper sheets has the key of the high-efficiency operation of the paper machine on the pressure resistance, shock absorption, air permeability, water filtering property, water bearing property, wear resistance, dimensional stability and other holding capacities of the paper making felt medium in a normal operation period. The problems of small water containing space, low air permeability, large water content of the blanket, poor dehydration performance, short service life and the like of the common BOM blanket exist, and more importantly, the common BOM blanket is easy to vibrate in the production process of a high-speed and high-speed wire paper pressing machine, so that the normal operation of a paper machine and the product quality are seriously influenced.

Disclosure of Invention

In order to solve the above problem, the utility model provides a three-ring bottom net high-speed papermaking felt can specifically take following technical scheme:

the utility model discloses a three-ring bottom net high-speed papermaking felt, including the upper bottom net layer, the middle sole net layer and the lower bottom net layer that cup joint the setting, the upper bottom net layer is the annular base net of 3/1 individual layer broken twill weave structures, the middle sole net layer is the annular base net of 1/1 individual layer plain weave structures, the lower bottom net layer is the annular base net of 2/2 individual layer broken twill weave structures; the surface of the upper bottom mesh layer is sequentially provided with a middle fiber layer and a paper surface fiber layer which are formed by needling and hot-press shaping, and the surface of the lower bottom mesh layer is provided with a bottom surface fiber layer which is formed by needling and hot-press shaping.

The warp yarns of the upper bottom net layer are nylon monofilaments with the diameter of 0.34mm, and the weft yarns are nylon with the diameter of 0.2mm multiplied by 4.

The warp yarns of the middle sole mesh layer are nylon monofilaments with the diameter of 0.50mm, and the weft yarns are nylon monofilaments with the diameter of 0.50 mm.

The warp yarns of the lower bottom mesh layer are nylon monofilaments with the diameter of 0.25mm multiplied by 3, and the weft yarns are nylon with the diameter of 0.2mm multiplied by 6.

The utility model provides a high-speed papermaking woollen blanket of three ring-shaped end nets, simple structure easily makes, and size stability, level and smooth, good, the air permeability of deflection are big, have high elasticity, high dehydration nature, and anti-seismic performance is good, long service life, can bear the requirement of high-speed, the high-speed operation of altitude nipper, make the device keep long-term steady operation to obtain the higher product of quality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a weave diagram of the upper ground mesh layer in fig. 1.

Fig. 3 is a weave diagram of the bottom mesh layer in fig. 1.

Fig. 4 is a view showing the structure of the lower mesh layer in fig. 1.

Detailed Description

As shown in figure 1, three annular end net high speed papermaking woollen blankets, including cup jointing last bottom stratum reticulare A, well bottom stratum reticulare B and the stratum reticulare C that goes to the bottom that sets up, above-mentioned three-layer end net is whole to adopt the annular to weave, can guarantee that whole width of cloth end net does not have the grafting impression, ensures that the base net levels unanimously to eliminate the paper machine vibrations problem that the woollen blanket unevenness caused.

Specifically, the upper bottom net layer A is an annular base net with an 3/1 single-layer broken twill weave structure (see figure 2), the warp yarns of the upper bottom net layer A adopt nylon monofilaments with the diameter of 0.34mm, the weft yarns of the upper bottom net layer A adopt nylon with the diameter of 0.2mm multiplied by 4, and the upper bottom net layer A is woven according to 3/1 annular weft broken twill weave; the middle sole mesh layer B is an annular base mesh with 1/1 single-layer plain weave structure (shown in figure 3), the warp yarns of the middle sole mesh layer B adopt nylon monofilaments with the diameter of 0.50mm, and the weft yarns adopt the nylon monofilaments with the diameter of 0.50mm, and the middle sole mesh layer B is woven according to 1/1 annular plain weave; the lower bottom mesh layer C is an annular base mesh with 2/2 single-layer cross-broken twill weave structure (namely, broken twill directions are transversely arranged, and normal broken twill directions are longitudinally arranged) as shown in figure 4, warp yarns of the lower bottom mesh layer C are made of nylon monofilaments with the diameter of 0.25mm multiplied by 3, weft yarns are made of nylon with the diameter of 0.2mm multiplied by 6 and folded, and the lower bottom mesh layer C is woven according to 2/2 annular weft-direction cross-broken twill weave. The warp and weft yarns of the middle sole net layer B are all interwoven by monofilaments, so that the blanket can be kept to have a large enough water melting space, and the water filtering resistance is fully reduced.

In addition, the polyamide fibre short fiber is implanted respectively in its two sides after three-layer bottom net stack, sets gradually middle fibre layer D and sticker face fibre layer E on last bottom net layer A surface promptly, sets up bottom face fibre layer F on bottom net layer C surface down, and the layer thickness of sticker face fibre layer E, middle fibre layer D, bottom fibre layer F increases gradually for the woollen blanket dehydration passageway crescent helps promoting the dewatering performance of woollen blanket nip. The paper-pasted fiber layer E, the middle fiber layer D and the bottom fiber layer F are all formed by a hot oil roller forming machine after being needled by a needling machine, and have the characteristics of high wear resistance, good smoothness and tight combination with the bottom mesh layer.

Claims

1. A three-ring bottom net high-speed papermaking felt is characterized in that: the net comprises an upper bottom net layer, a middle bottom net layer and a lower bottom net layer which are sleeved, wherein the upper bottom net layer is an annular base net with an 3/1 single-layer broken twill weave structure, the middle bottom net layer is an annular base net with a 1/1 single-layer plain weave structure, and the lower bottom net layer is an annular base net with a 2/2 single-layer transverse broken twill weave structure; the surface of the upper bottom mesh layer is sequentially provided with a middle fiber layer and a paper surface fiber layer which are formed by needling and hot-press shaping, and the surface of the lower bottom mesh layer is provided with a bottom surface fiber layer which is formed by needling and hot-press shaping.

2. The three-ring bottom fabric high speed papermaking felt according to claim 1, wherein: the warp yarns of the upper bottom net layer are nylon monofilaments with the diameter of 0.34mm, and the weft yarns are nylon with the diameter of 0.2mm multiplied by 4.

3. The three-ring bottom fabric high speed papermaking felt according to claim 1, wherein: the warp yarns of the middle sole mesh layer are nylon monofilaments with the diameter of 0.50mm, and the weft yarns are nylon monofilaments with the diameter of 0.50 mm.

4. The three-ring bottom fabric high speed papermaking felt according to claim 1, wherein: the warp yarns of the lower bottom mesh layer are nylon monofilaments with the diameter of 0.25mm multiplied by 3, and the weft yarns are nylon with the diameter of 0.2mm multiplied by 6.