Wide application of multi-axial bottom net composite papermaking felt

High-wire bottom-net papermaking blankets (commonly known as BOM papermaking blankets-the third generation of papermaking blankets) have rapidly replaced BOB papermaking blankets (commonly known as the second generation of papermaking blankets) since they were born in my country in the 1990s. Blankets), occupying an absolute share of the papermaking blanket market in the past thirty years. However, with the rapid development of China's paper industry, a large number of wide-format high-speed paper machines with high dewatering technology content such as large roll diameter press, high impulse press, shoe press, compound press, etc. have emerged. "The world of papermaking sees China" It is an indisputable fact. This has also promoted the technological innovation and development of the domestic dehydration equipment industry. A new type of high-performance papermaking blanket---multi-axial bottom net composite papermaking blanket has begun to enter people's sight, and the optimization and update of BOM papermaking blanket products has begun to step forward. A new step. Multi-axial bottom net composite papermaking felt is based on the original BOM papermaking felt bottom net structure, the warp and weft of each bottom net are distributed in a 360° multi-axial manner, and the warp and weft of each bottom net cross at a certain angle A new type of distributed structure product, its performance is far better than the traditional bottom net composite papermaking felt.

  Xuzhou Jinguan Industrial Co., Ltd. is clearly ahead of the industry in the development, optimization and update of papermaking felt products. The company gave full play to its advantages in product development and technological innovation, broke the internationally famous papermaking felt industry's barriers in the multi-axial bottom net composite papermaking felt technology, pioneered and innovated itself, and was the first domestic company to adopt self-developed equipment And the original technology, developed a multi-axial bottom net composite papermaking felt product manufacturer with original technology, superior performance, and comparable to the most advanced similar products abroad. Since 2015, the company has put multi-axial bottom-net composite papermaking blankets on the market on a large scale. The multi-axial bottom-net composite papermaking felts it has developed include: multi-filament multi-axial bottom-net composite papermaking blankets, single Multi-axial bottom net composite papermaking felt and monofilament multifilament combined with multi-axial bottom net composite papermaking felt. This product is widely used in high-speed, wide-width paper machines to produce all kinds of packaging paper, cultural paper, special paper and high-end household use. The use effect of paper and other paper grades is well received by customers. This technology and product performance rank first in the domestic industry.

  After years of use and summary, the customer found that the multi-axial bottom net composite papermaking felt has the following irreplaceable advantages compared with the traditional bottom net composite papermaking felt:

1. The product has a 360° omni-directional water filtration channel, which makes the filtration efficiency of the felt faster and smoother. It is more suitable for vertical dehydration requirements such as vacuum press, blind press and groove press, and can effectively eliminate vacuum and blind holes. And groove hidden marks; this product can effectively prevent the bottom net from embedding and thinning under the pressure of the nip, and its high-line pressure resistance is more than twice that of conventional blankets, and it maintains well under long-term high-line pressure use. The elastic recovery performance is especially suitable for paper machines equipped with large roll diameter, high impulse press, shoe press, and vacuum, blind hole, groove and other composite presses; this product has a good water holding space, which is more than conventional products. The water holding space is more than 30% higher, and the loss of water holding space can be maintained at no more than 30% during the whole life cycle; the product has good surface flatness and the performance of effectively eliminating bottom screen marks, and good bottom screen flatness It completely solves the phenomenon of the elastic band in the running of the blanket. It is smooth and delicate and matched with the changeable bottom net layer composite structure, which can effectively eliminate the impression of the bottom net on the paper surface;

2. The product has excellent water filtration uniformity performance, 360° multi-axial bottom mesh distribution, so that the dehydration resistance of each point of the product is uniform and consistent, and the dehydration in the "Z" direction of the product is more one-way and convenient. , Effectively prevent the "wetting back" phenomenon of the paper out of the nip;

3. The product has good operational stability. Due to the endless annular structure, the product not only has uniform dehydration performance, but also can effectively prevent the nip vibration caused by the bottom mesh joint area;

4. The product has good dimensional stability, and the elongation of the length and the shrinkage of the width of the papermaking felt are much smaller than conventional products;

5. This product has a good skeleton carrier function, which can make the fiber and the fiber, the fiber and the warp and weft of the different layers of the bottom net tightly entangled, and it is not easy to cause fluffing, depilation, and linting. The wear resistance of the blanket is obtained Greatly improved

6. The product has good initial adaptability and a long service life. The product can quickly reach the normal operating speed when it is used on the machine, and the service life is 30-50% longer than conventional products;

7. This product has good "self-cleaning ability", smooth bottom net monofilament and good bottom net elastic recovery ability, so that every capillary pore of the blanket is always kept unblocked, and the foreign matter in the blanket can easily follow the nip water flow If taken away, foreign matter such as fine fibers, rubber materials, and fillers will not easily accumulate in the blanket, so that the blanket can maintain its self-cleaning state for a long time.

     Xuzhou Golden Crown Industrial Woolen Co., Ltd. is a medium-sized enterprise specializing in the production of various papermaking blankets and other industrial woolen cloths. The company was established in August 2007 and is located in Liuxin Industrial Park, Tongshan District, Xuzhou City, Jiangsu Province. At present, it has formed a production capacity of 600 tons of medium and high-grade papermaking blankets. The main products of the company are: single-layer BOM papermaking blanket series; double-layer BOM papermaking blanket series; multilayer BOM papermaking blanket series; special paper-making blanket series; no-fingerprint papermaking blanket series; large-diameter press special papermaking blanket series; boots Papermaking blanket series for special press; Chemical treatment papermaking blanket series; Stripe papermaking blanket series; High-speed household paper special papermaking blanket series; Pulp blanket series; BOM dry blanket series; Endless (endless) flocking dry net series; Multiaxial A series of high-performance papermaking blankets such as bottom net composite papermaking blankets. Among them, the multi-axial bottom net composite papermaking felt is a high-performance papermaking felt independently developed by our company in 2015, which has a milestone in the development of papermaking felt.

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