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碳酸钠的用途

来源:http://www.jnjhhg.cn/ 日期:2022-07-15 发布人: 浏览次数:0
碳酸钠的用途
Use of sodium carbonate
玻璃工业
Glass industry
玻璃工业是纯碱的摄大消费部门,每吨玻璃消耗纯碱0.2t。碳酸钠主要用于制作浮法玻璃、显像管玻壳、光学玻璃、平板玻璃、瓶玻璃、高*器皿等。
The glass industry is a major consumer of soda ash, with 0.2T of soda ash consumed per ton of glass. Sodium carbonate is mainly used to make float glass, kinescope glass shell, optical glass, flat glass, bottle glass, high * utensils, etc.
化工冶金
Chemical Metallurgy
化工、冶金行业的操作空间往往环境不好,空气混浊,使用重质纯碱可以减少碱尘飞扬、降低原料消耗、改善劳动条件,还可提高产品质量,同时减轻碱粉对耐火材料的侵蚀作用,延长窑炉的使用寿命。
The operating space in the chemical and metallurgical industries is often in a bad environment with muddy air. The use of heavy soda ash can reduce the flying of alkali dust, reduce the consumption of raw materials, improve working conditions, improve product quality, reduce the erosion of alkali powder on refractory materials, and prolong the service life of kilns.
金属抛光
Metal polishing
无水碳酸钠用于化学及电化学除油、化学镀铜、铝的浸蚀、铝及合金的电解抛光、铝的化学氧化、磷化后的封闭、工序间的防锈、电解退除铬镀层和退除铬的氧化膜等,亦用于预镀铜、镀钢、镀钢铁合金电解液中。
Anhydrous sodium carbonate is used for chemical and electrochemical oil removal, chemical copper plating, aluminum etching, electrolytic polishing of aluminum and alloys, chemical oxidation of aluminum, sealing after phosphating, rust prevention between processes, electrolytic removal of chromium coating and oxide film of chromium removal, etc. it is also used in electrolyte of pre copper plating, steel plating and steel alloy plating.
食品制作
Food preparation
碳酸钠用于食品工业时,可用作中和剂、膨松剂,如制造氨基酸、酱油和面制食品如馒头、面包等;还可配成碱水加入面食中,增加弹性和延展性;碳酸钠还可以用于生产味精。
When sodium carbonate is used in food industry, it can be used as neutralizer and bulking agent, such as amino acids, soy sauce and flour foods such as steamed bread and bread; It can also be mixed into alkaline water and added to pasta to increase elasticity and ductility; Sodium carbonate can also be used to produce monosodium glutamate.
碳酸钠的危害
Harm of sodium carbonate
虽然碳酸钠的用途良多,是重要的生产生活原料,但是碳酸钠具有弱刺激性和弱腐蚀性,对于人体是有一定的危害的。直接接触可引起皮肤和眼灼伤;吸入其粉尘和烟雾可引起呼吸道刺激和结膜炎,还可有鼻粘膜溃疡、萎缩及鼻中隔穿孔;长时间接触其溶液可发生湿疹、皮炎、鸡眼状溃疡和皮肤松弛;误服可造成消化道灼伤、粘膜糜烂、出血和休克。但是生产过程中,碳酸钠粉尘不可避免地会飞到空中,所以接触该品的作业工人呼吸器官疾病发病率很高。
Although sodium carbonate has many uses and is an important raw material for production and life, it has weak irritation and corrosion, which is harmful to human body. Direct contact may cause skin and eye burns; Inhaling its dust and smoke can cause respiratory tract irritation and conjunctivitis, as well as nasal mucosal ulcer, atrophy and perforation of nasal septum; Contact with its solution for a long time can cause eczema, dermatitis, corny ulcer and skin relaxation; Ingestion by mistake can cause gastrointestinal burns, mucosal erosion, bleeding and shock. However, during the production process, sodium carbonate dust will inevitably fly into the air, so the incidence rate of respiratory diseases of workers exposed to this product is very high.

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