CN111691039A

CN111691039A - Sewage filtering flannelette woven by double-rapier loom and manufacturing method thereof

Info

Publication number: CN111691039A
Application number: CN202010586391.5A
Authority: CN
Inventors: 侯前卫
Original assignee: Shandong Yicheng Composite Material Co ltd
Current assignee: Shandong Yicheng Composite Material Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-22

Abstract

The invention discloses a sewage filtering flannelette woven by a double-rapier loom and a manufacturing method thereof, wherein a flannelette weave structure adopts a W tight wool consolidation mode, the ground diameter adopts an upper-lower and a lower-upper mode to enhance the binding fastness and weft yarn gaps, the structure is formed by upper and lower layer ground diameters and flannelette warp interweaving, the upper and lower layer ground diameters are respectively interwoven in the upper and lower layers, the flannelette warp interweaving in the upper and lower layers, and a flannelette cutting mechanism on a loom cuts flannelette to form required flannelette; the double-layer pile cutting process is adopted for production, the pile is dense, the filtering precision is improved, the water permeability is improved, the filtering efficiency is improved, the blockage is reduced, the bottom is firm, flat and non-deformable, the strength is high, and the service life of the filter cloth is prolonged.

Description

Sewage filtering flannelette woven by double-rapier loom and manufacturing method thereof

Technical Field

The invention relates to the technical field of spinning, in particular to sewage filtering flannelette woven by a double-rapier loom and a manufacturing method thereof.

Background

Urban sewage treatment is one of important market segments in the sewage treatment industry in China. Data show that urban drainage pipelines in China are continuously prolonged, and urban sewage treatment capacity is also improved year by year. In 2018, the length of a drainage pipeline in a city in China is 68.3 kilometers, and the equivalent increase is 8.41%; in the same year, the daily treatment capacity of urban sewage in China is 1.81 billion cubic meters, which is improved by 6.5 percent on year-to-year basis, however, along with the annual growth of urban population in China and the annual improvement of urbanization rate, the method brings challenges and opportunities to the urban sewage treatment market. In 2019, the population of cities and towns in China is about 8.48 hundred million people, and the year-by-year increase is 2.05%. In the same year, the urbanization rate of China firstly breaks through 60%, water is taken as an important ring for the construction of smart cities, and the government departments of China pay high attention to the water. Since 2019, departments such as the department of ecological environment, the department of finance and construction and the like continuously issue relevant policy documents to promote the transformation and construction of domestic sewage collection and treatment facilities, the sewage treatment technology of China continues to take the route of the European and American countries in the last hundred years, and forms own technology while absorbing and digesting foreign technologies, so that the sewage treatment technology is greatly developed.

The existing sewage treatment and filtration cloth basically adopts knitted cloth or plain cloth, the knitted cloth or plain cloth has the defects of poor water permeation quantity and easy blockage, and the coating has elasticity, poor stability, short service life, low filtration efficiency and low filtration precision, so that the cost is improved and the efficiency is reduced.

Disclosure of Invention

The invention aims to provide sewage filtering flannelette woven by a double-rapier loom and a manufacturing method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a sewage filtering flannelette woven by a double-rapier loom adopts a W tight wool consolidation mode, the ground diameter adopts two-over one-under and two-under over modes to increase the binding fastness and weft yarn gaps, the structure is formed by upper and lower ground diameters and flannelette warp interweaving, the upper and lower ground diameters are respectively interwoven at the upper and lower layers, the flannelette warp interweaving at the upper and lower layers, and flannelette cutting is carried out by a flannelette cutting mechanism on a loom to form the required flannelette.

As a further scheme of the invention: the ground diameter 1 at the bottom of the sewage filtering flannelette is made of high-strength polyester monofilaments, the ground diameter 2 is made of 12-21s special fibers and 21-32s high-strength polyester staple fibers in a composite mode, and weft yarns are made of 12-21s special fibers in an interwoven mode according to a certain weaving rule.

As a still further scheme of the invention: the sewage filtering flannelette adopts a low-density No. 53 reed as a steel reed, and adopts an interval penetration method, one reed is penetrated through, and regular rectangular holes are formed at the bottom.

A manufacturing method of sewage filtering flannelette woven by a double-rapier loom comprises the following steps: the fabric is prepared by selecting and processing raw materials, warping, weaving, shaping and finishing, and the specific preparation method comprises the following steps:

processing raw materials: the ground diameter 2 is formed by compositely twisting 12-21s special fibers and 21-32s high-strength polyester staple fibers according to the proportion of 2:1, and the weft yarns are compositely twisted by the 12-21s special fibers; the pile warp adopts bright acrylic bulked yarn or terylene low stretch yarn or other chemical fiber low stretch yarn;

warping: the ground warp shaft 1 adopts sectional warping, the unwinding mode adopts a rolling mode, the ground warp shaft 2 adopts a sectional warping machine for warping, and the pile warp adopts sectional double-pile warp warping and is divided into a pile warp shaft 1 and a pile warp shaft 2;

weaving: the reed adopts 53#, the weft density is 10-13 weft/cm, the drafting is 853110796854210796, and the reeding is empty one reed and one reed; 1.

pages

2, 3 and 4 are middle heddle eyes, pages 567 are lower heddle eyes and pages 8910 are upper heddle eyes, and the weaving steps are as follows:

a first weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a second weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a third weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

Fourth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a fifth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a sixth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

A seventh weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And eighth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And ninth weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And a tenth weft: 1, 2, 4, 3, 4, 5, 6, 7, 8, 9, 10, etc

An eleventh weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a twelfth weft: 1, 2, 4, 3, 4, 5, 6, 7, 8, 9, 10, etc

Compared with the prior art, the invention has the beneficial effects that: the double-layer pile cutting process is adopted for production, the pile is dense, the filtering precision is improved, the water permeability is improved, the filtering efficiency is improved, the blockage is reduced, the bottom is firm, flat and non-deformable, the strength is high, and the service life of the filter cloth is prolonged.

Drawings

Fig. 1 is a schematic cross-sectional view of a sewage filtering flannelette woven on a double-rapier loom.

Fig. 2 is a schematic diagram of a loom organization structure of the sewage filtering flannelette woven by a double-rapier loom.

Fig. 3 is a schematic diagram comparing the front and back of a sewage filtering flannelette woven on a double-rapier loom.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in the embodiment of the present invention, a sewage filtering flannelette woven by a double-rapier loom is provided; the flannelette weave structure adopts a W tight wool consolidation mode, the ground diameter adopts two-over-one and two-under-one over-one modes to enhance the bonding fastness and weft yarn gaps, the structure is formed by interweaving the ground diameter of upper and lower layers and the flannelette warp, the ground diameter of the upper and lower layers are respectively interwoven with the ground diameter of the upper and lower layers, the flannelette warp is interwoven with the ground diameter of the upper and lower layers, and the flannelette is cut by a flannelette cutting mechanism on a machine to.

The ground diameter 1 at the bottom of the sewage filtering flannelette is made of high-strength polyester monofilaments, the ground diameter 2 is made of 12-21s special fibers and 21-32s high-strength polyester staple fibers in a composite mode, and weft yarns are made of 12-21s special fibers in an interwoven mode according to a certain weaving rule.

The sewage filtering flannelette adopts a low-density No. 53 reed as a steel reed, and adopts an interval penetration method, one reed is penetrated through, and regular rectangular holes are formed at the bottom. .

pages

a first weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a second weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a third weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

Fourth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a fifth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a sixth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

A seventh weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And eighth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And ninth weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And a tenth weft: 1, 2, 4, 3, 4, 5, 6, 7, 8, 9, 10, etc

An eleventh weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a twelfth weft: 1, 2, 4, 3, 5, 6, 7, 8, 9, 10.

According to the preferred post-finishing process conditions of the invention:

shaping: dry heat setting at 120 deg.c and speed of 10 m/min

Brushing: adopts a double-roller brushing machine, a front straight needle and a rear bent needle are brushed thoroughly with the gauge of 1mm

Ironing: the temperature is 160 ℃, the surrounding angle is 15 ℃, and the ironing roller is ironed along the fur

Shearing: the cloth speed is 10 m/min, and the distance is 10 mm.

Example 2

pages

a first weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a second weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a third weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

Fourth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a fifth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a sixth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

A seventh weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And eighth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And ninth weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And a tenth weft: 1, 2, 4, 3, 4, 5, 6, 7, 8, 9, 10, etc

An eleventh weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a twelfth weft: 1, 2, 4, 3, 5, 6, 7, 8, 9, 10.

According to the preferred post-finishing process conditions of the invention:

shaping: dry heat setting at 160 deg.c and vehicle speed of 14 m/min

Brushing: adopts a double-roller brushing machine, a front straight needle and a rear bent needle are brushed thoroughly with the gauge of 2mm

Ironing: the temperature is 180 degrees, the surrounding angle is 45 degrees, and the ironing roller is ironed along the fur

Shearing: the cloth speed is 15 m/min, and the gauge is 15 mm.

Example 3

pages

a first weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a second weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a third weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

Fourth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a fifth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a sixth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

A seventh weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And eighth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And ninth weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And a tenth weft: 1, 2, 4, 3, 4, 5, 6, 7, 8, 9, 10, etc

An eleventh weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a twelfth weft: 1, 2, 4, 3, 5, 6, 7, 8, 9, 10.

According to the preferred post-finishing process conditions of the invention:

shaping: dry heat setting at 140 deg.c and vehicle speed of 12 m/min

Brushing: adopts a double-roller brushing machine, a front straight needle and a rear bent needle are brushed thoroughly with the gauge of 1.5mm

Ironing: the temperature is 170 ℃, the surrounding angle is 30 ℃, and the ironing roller is ironed along the fur

Shearing: the cloth speed is 12 m/min, and the gauge is 12 mm.

The preferred pile warp raw material of the invention is 16-22NM bulk acrylic fiber or terylene low stretch yarn; the density and height of the fluff in the invention can be designed and adjusted according to the customer demand and market demand.

The invention has the following main technical characteristics and beneficial effects:

the invention improves the bottom hole coverage rate, improves the water flux and improves the filtration efficiency; fibers are adopted as raw materials of the fluff, and the fluff is combed and finished, so that the filtration precision is increased and the filtration effect is improved when the fluff falls in water; the coating-free process is adopted, sizing is not carried out, glue is not applied, water immersion is resisted, and the service life of the filter cloth is prolonged; the high-strength monofilaments are increased, the fabric strength is improved, and the service life is prolonged; weaving by adopting a double-layer rapier loom, and shaping the bottom, so that the cloth is stable and does not deform; by adopting a special structure, the bottom hole is enlarged, and the filter cloth blockage is reduced.

The raw material adopts special fiber, the coating is avoided after the shaping, the hair is not dropped, the cloth cover is smooth and not broken, the high-strength polyester staple fiber and the special fiber are processed according to a certain proportion to increase the bottom strength, high-strength polyester monofilament is added at the bottom as a framework material, the strength of the filter cloth is increased, the service life is prolonged, the fiber space is reduced, the bottom density is reduced, the water flux is increased, the sectional warping is adopted for a warping ground diameter 1, the problem that the monofilament cannot be warped in a conventional sectional warping machine and a batch warping machine, the smoothness and the subsequent weaving of a warp beam are ensured, the ground diameter 2 adopts conventional sectional warping and low-density denting, the weaving efficiency is improved, the weaving adopts 853110796854210796 fly-through method drafting, the double-pile warp feeding is adopted, the starting difficulty caused by the inconsistent use amount of the pile warp tissues is solved, the starting speed is improved, the pile warp adopts W-shaped tissue to increase the strength-knot fastness, the ground diameter, meanwhile, the distance of the same fluff weft yarn is increased, so that the fluff is not easy to fall off, the bottom holes are enlarged, the water flux is increased, alternate penetration is adopted in the reeding process, the distance between two reeds is increased, the hole size is increased, the permeability is increased, the gray fabric is directly sized and is free of coating, the fabric surface is flat and not easy to deform, water immersion is resisted, the fluff is flat and smooth after carding, ironing and shearing, and the dispersed filtration precision is high when falling into water.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The sewage filtering flannelette woven by the double-rapier loom is characterized in that a flannelette weave structure adopts a W tight wool consolidation mode, the ground diameter adopts two-over-one and two-under-one over-type reinforced binding fastness and weft yarn gaps, the structure is formed by upper and lower layer ground diameters and flannelette warp interweaving, the upper and lower layer ground diameters are respectively interwoven at the upper and lower layers, the flannelette warp interweaving at the upper and lower layers, and flannelette cutting is performed by an on-machine flannelette cutting mechanism to form the required flannelette.

2. The sewage filtering flannelette woven by the double-rapier loom according to claim 1, wherein the ground diameter 1 at the bottom of the sewage filtering flannelette is made of high-strength polyester monofilaments, the ground diameter 2 is made of 12-21s special fibers and 21-32s high-strength polyester staple fibers in a composite mode, and weft yarns are formed by interweaving the 12-21s special fibers according to a certain weaving rule.

3. The sewage filtering flannelette of claim 1, wherein the reed is a low-density No. 53 reed, and a reed is inserted through the sewage filtering flannelette at intervals, and regular rectangular holes are formed at the bottom of the sewage filtering flannelette.

4. A method for manufacturing a sewage filtering flannelette based on double-rapier loom weaving as described in any one of 1-3, characterized by comprising the following steps; the raw materials are selected, processed, warped, woven, shaped and finished.

5. The method for manufacturing sewage filtering flannelette based on double-rapier loom weaving as claimed in claim 4, wherein the raw material processing: the ground diameter 2 is formed by compositely twisting 12-21s special fibers and 21-32s high-strength polyester staple fibers according to the proportion of 2:1, and the weft yarns are compositely twisted by the 12-21s special fibers; the pile warp adopts bright acrylic bulked yarn or terylene low stretch yarn or other chemical fiber low stretch yarn.

6. The method for manufacturing sewage filtering flannelette based on double-rapier loom weaving as claimed in claim 4, wherein the warping: the ground warp shaft 1 adopts sectional warping, the backing-off mode adopts a rolling mode, the ground warp shaft 2 adopts a sectional warping machine for warping, and the pile warp adopts sectional double-pile warp warping and is divided into a pile warp shaft 1 and a pile warp shaft 2.

7. The method for manufacturing sewage filtering flannelette based on double-rapier loom weaving as claimed in claim 4, wherein the weaving: the reed adopts 53#, the weft density is 10-13 weft/cm, the drafting is 853110796854210796, and the reeding is empty one reed and one reed; 1. pages 2, 3 and 4 are middle heddle eyes, pages 567 are lower heddle eyes and pages 8910 are upper heddle eyes, and the weaving steps are as follows:

a first weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a second weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a third weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

Fourth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

And a fifth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a sixth weft: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc

A seventh weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And eighth weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And ninth weft: 1 on 2, 3 on 4, 5 on 6, 7 on 8 on 9 on 10 on

And a tenth weft: 1, 2, 4, 3, 4, 5, 6, 7, 8, 9, 10, etc

An eleventh weft: 1, 2, 4, 5, 6, 7, 8, 9, 10

And a twelfth weft: 1, 2, 4, 3, 5, 6, 7, 8, 9, 10.

8. The method for manufacturing the sewage filtering flannelette woven by the double-rapier loom according to claim 4, wherein the pile warp raw material is 16-22NM bulk acrylic fiber or terylene low stretch yarn.

9. A method for the preparation of a sewage filtration fleece based on the use of a double rapier weaving machine according to any one of claims 1 to 8 for deep sewage treatment.