Spunbond nonwoven production melt pressurization and filtration solution

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Spunbond (Spunbond Process) is one of the main methods for the production of nonwoven materials, also known as spunbond or polymer extrusion production technology into a web. Spunbond nonwovens are widely used in all aspects of our lives. Medical supplies: surgical gowns, handkerchiefs, caps, shoe covers, rescue clothes, nursing clothes, surgical drapes, etc.; household supplies: simple closet, curtains, bathroom hanging curtains, indoor flower decoration, wiping cloth, etc.; agricultural supplies: agricultural vegetable greenhouse curtains, seedling cloth, livestock shed coverings, fruit bag covers, gardening cloth, soil and water conservation cloth, frost protection cloth, etc.; and industrial cloth, packaging cloth, clothing, etc.

Spunbond nonwoven production line

Batte provides better solutions according to the production principle of spunbond nonwovens, common materials, process characteristics, heating temperature, processing pressure, output, etc.

The principle of spunbond method is to use chemical fiber spinning method, melt spinning of polymer, cooling and drawing, laying and stacking to form a net, and finally reinforced by needling hydroentanglement, hot rolling or other bonding methods to form nonwoven materials.

Spunbond nonwoven production line equipment and production flow chart

Spunbond nonwoven production line melt pump and screen changer configuration.

Common materials: polypropylene for spunbond
Process characteristics: screen changer,large amplitude, high output, high filtration precision. melt pump, high torque, low shear, high corrosion resistance, very small pressure and flow pulsation, linear flow output, suitable for precision extrusion systems.
Processing temperature: 200-280℃
Processing pressure 3.0-10.0MPa
Output range: 100-1000kg/h
Solution: Non-stop double column screen changer + ZB-B melt pump

dual screen changer

double pillar non stop screen changer

Double column large area screen changer it is built with alloy metal, precision processing, durable; no need to stop when replacing the filter, it can achieve 360 degree filtration, larger filtration area; rigid seal, superior sealing performance; with lead material exhaust structure, more stable and reliable; it is resistant to high pressure, low energy consumption. Filtration area: 300c- 6000c; Applicable industries: almost all polymer melt filtration; Applicable output: 450-10,000kg/h.

Double column screen changer parts

Double column large area screen changer filtration principle: The material flow is from the periphery of the plunger to the inside of the plunger. Under the same plunger diameter, the filtering area of double plunger large area screen changer is more than 4 times of its normal round double plunger screen changer. It adopts the heat medium fluid heating method, which can control the temperature fluctuation of the screen changer body within a very small range.

polymer melt gear pump

Spunbond nonwoven gear metering pump is suitable for conveying melt with relatively high viscosity and no particle-shaped impurities. It has the characteristics of high output pressure, high viscosity of the conveyed medium, high operating temperature, vacuum at the input port, easy adjustment of rotational speed, and large flow range. The material of spunbond nonwoven gear metering pump is made of temperature and wear resistant, corrosion resistant, with sufficient strength and dimensional stability.

melt gear pump

Gear metering pump application range

1、Applied to polymerization reaction process, used to transport high viscosity melt.
2、Applied to melt spinning, used as booster pump.
3、Applied to extruder or injection molding machine to improve extrusion efficiency and reduce the load of extruder.
4、Applied to transfer resin and molten resin to make the melt uniform and build pressure to the die head.

	 plastic melting melt pump

The working principle of spunbond nonwoven gear metering pump belongs to positive displacement pump, which relies on the change of working volume caused by the mutual meshing of master and driven gears to convey the melt when working. The working volume is composed of the pump body, the gear teeth groove and the bearing sleeve with side plate function. When the gears rotate, the melt enters the teeth grooves of the two gears in the suction chamber, and with the rotation, the melt is brought into the discharge chamber from both sides, and the gears mesh again, so that the melt in the teeth grooves is squeezed out of the discharge chamber and pressed into the outlet pipe. The bearings cannot use the usual lubricating grease to avoid contamination of the melt, and usually use melt self-lubrication.

melt pump

A complete set of extruder melt pump provided by Zhengzhou Batte includes: motor, reducer, universal coupling, control system and pump body; the structure of the pump body is: main pump body, front cover plate, back cover plate, 2 pairs of D-type bushings, main shaft, driven shaft, seals, etc. info@battemachinery.com

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