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 […]

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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 […]

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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 […]

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Treatment method of nitric acid waste gas

The modified alkali absorption method NOX in the nitric acid waste gas is absorbed by the absorption tower by the Na2CO3 solution to form a neutralization liquid containing sodium nitrite and sodium nitrate.The neutralized liquid is evaporated, crystallized and separated to obtain a sodium nitrite product. The separated mother liquor of sodium nitrite is converted […]

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Sources and characteristics of chemical industry waste gas

Source of exhaust gas: At each production stage of each chemical product, exhaust gas is generated and discharged for various reasons.For example, the side reactions and reactions generated in the chemical reaction are incomplete, the production process is imperfect, the production process is unstable, unqualified products are produced, and accidental emissions of materials in production […]

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