What is reverse osmosis membrane material?

Reverse osmosis membrane is a special material and processing methods made of semi-permeable membrane. It can under the action of the external pressure of some components of aqueous solution selectively through, so as to achieve dilution, purification or concentration separation purposes. Reverse osmosis phenomenon as early as 1748 by the French Able Knelt found. The […]

Read more

Needle punching machine(4)

The effect of density on quality Needle density refers to the number of theoretical needles that the web receives over a unit area (1 square centimeter). Needle density is the most important process parameter. In general, the greater the density of needle punching, the stronger the product and the stronger it is. However, if the […]

Read more

Sewing Machine(3)

Loom type Looms that have traditionally been woven using yarns can be divided into two major categories, woven and knitted. The looms include the original shuttle looms and the new shuttleless looms. The shuttleless looms mainly include rapier looms, air jet looms, water jet looms and projectile looms. Knitting machines are divided into two major […]

Read more

Sewing Machine(1)

Weaving machines, also known as textile machines, weaving machines, cotton spinning machines, etc., the early looms are all driven by human-powered looms. The shuttleless looms technology has been in research since the 19th century and has gradually been introduced to the international market since the 1950s. Since the 1970s, many new shuttleless looms have been […]

Read more

Dust removal and discharge valve(5)

Scope of use The dust removal ash discharge valve is the main equipment for dust removal, air supply and other equipment feeding of dust removal equipment. The dust removal ash discharge valve is suitable for powdery materials and granular materials. It is widely used in environmental protection, metallurgy, chemical, food, food and other industrial sectors. […]

Read more

Introduction to dehydration and filtration

Dehydration refers to the operation of mechanically removing the liquid portion remaining in the wet particle layer or the wet filter cake, and can be classified into gravity dehydration, centrifugal dehydration, aeration dehydration, and special dehydration. These dehydration methods are all related to the capillary in the layer of wetted particles. Centrifugal dehydration is not […]

Read more