Development Direction Of Spunlace Non Woven Fabric Complete Sets Of Equipment And Technology

Author:Baby & Adult Diaper Materials FROM:Diaper Materials Manufacturer TIME:2023-02-16

In recent years, the global spunlace nonwovens industry has developed rapidly. Because Spunlace non woven fabric has the characteristics of soft hand feeling, high bulkiness, good moisture absorption and breathability, and recyclability, its application scope is constantly expanding, and it has become the fastest growing variety in the industry. This paper looks forward to the development direction of its complete sets of equipment and technology.

1. Increase the production capacity of Spunlace non woven fabric and reduce energy consumption

The carding machine is the most important factor affecting the production speed and output of the straight-laid spunlace nonwoven. The transfer and conveying of the fiber web, the suction negative pressure of the spunlace, and the drying capacity of the dryer are also the main factors affecting the high yield. The web entry speed of a crosslapper is the most important factor affecting its production speed and output. Because it is reinforced by hydroentanglement, the fibers between the fiber webs are intertwined with each other in a messy manner, and then the moisture in the fiber web needs to be dried in order to enter the next process. Therefore, the larger the spunlace pressure and the unreasonable moisture drying process, will generate a lot of energy consumption. There are two types of moisture drying methods: direct-fired drying and heat-conducting oil indirect drying, which can reuse the waste heat from drying to reduce energy consumption and improve efficiency.

hydrophilic spunlace non woven fabric 

2. Reduce fabric defects of Spunlace non woven fabric

Spunlace process parameters affect the quality and performance of spunlace nonwovens, such as water needle pressure, water needle diameter, water needle arrangement density, distance from water outlet to fiber web, configuration of drum and flat plate, web delivery speed, and spunlace water. water quality, etc. Improper setting of spunlace process parameters will easily cause defects in the quality of the fabric surface, such as water needle lines, neps, cloud spots, defects, etc. Therefore, it is necessary to use a variety of instruments, such as moisture detectors, surface density detectors, stain detectors, metal detectors, etc., to ensure stable product quality.

3. Improve the automation control level of Spunlace non woven fabric production line

With the development of society, the labor cost has gradually increased, and the phenomenon of recruitment difficulties has appeared, and the recruitment of heavy manual labor positions is even more difficult. In addition, excessive manual intervention in the production process will affect the stability of product quality, and is also extremely detrimental to the continuous operation of the production line. Therefore, it is very necessary to improve the automation control level of the production line. At present, the automation control of Spunlace non woven fabric production line mainly includes:

(1) The whole process of "raw material warehouse spunlace line slitting machine packaging equipment finished product warehouse" is automated.

(2) Automatic continuous control between the cleaning equipment, the return air of the carding machine and the dust removal unit.

(3) The water supply, negative pressure suction, fresh water supply, etc. of the water circulation system are automatically controlled and connected with the spunlace machine.

(4) The air supply between the air compressor and the cleaning equipment, carding machine, hydroentanglement machine, winding machine, etc. is automatically controlled.

(5) The temperature in the drying room of the rotary dryer is automatically adjusted and controlled.

 spunlace non woven fabric for wet wipes

4. Implement CE and other safety certification standards for Spunlace non woven fabric equipment to meet the requirements of environmental protection standards

It is confirmed that the equipment of Spunlace non woven fabric is safe and reliable. Multiple detection devices, emergency stop switches, and protective devices are installed to meet the requirements of CE and other safety certification standards. While improving work efficiency, the occurrence of various accidents is minimized.

Equipped with a dust removal unit, the dust content of the filtered air should be 0.75 mg/m3, which meets the requirements of GBZ 1-2010 "Hygienic Standards for Design of Industrial Enterprises"; all indicators of wastewater discharged after long-term recycling should meet the requirements of discharge standards .

 spunlace non woven fabric

With the country's increased investment in environmental protection and medical and health care, the huge domestic demand market is the biggest driving force for the growth of the spunlace nonwovens industry. The reform will promote the spunlace non-woven industry to speed up the pace of transformation and upgrading, speed up the update of advanced equipment and processes, and speed up technological reform and the development of new products.

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