The use of water glass is very extensive, pervade almost each branches of national economy. Be used to in chemical system sieve of element of production silica gel, white carbon black, zeolite, 5 water slant silicon of collosol of siliceous natrium, silicon, layer and fast dissolve is farinaceous and siliceous all sorts of silicate such as natrium of sodium, siliceous Potassium kind product, it is the basic raw material of silicon compound. In economic developed country, the product of deep treatment series that is raw material with siliceous natrium already developed more than kinds 50, some already applied at domain of tall, essence, pointed science and technology; The indispensable raw material in the scour such as washing powder, soap is in light industry, also be water quality emollient, aid heavy dose; Use at aiding to catch in textile industry, blanch and sizing; Build extensively in mechanical industry with Yu Zhu, emery wheel is made and metallic antiseptic; Use at making quick-hardening cement, acid-proof cement in building an industry agent of solidify of waterproof oil, soil, fireproof material; In agriculture the respect can produce silicon element fertilizer; Of auxiliary of antiseptic of the adhesive that uses the filling of the silicon aluminous activator that makes oil catalytic cracking, soap, corrugated paper additionally, metal, water softening agent, scour, fireproof material and raw material of pottery and porcelain, textile float, catch and mineral separation of oar makings, mine, waterproof, shot-off of loss, lumber. Cent narrates as follows:
1, besmear brushs material face, rise fight efflorescent ability
Besmear of water glass solution is brushed or after macerate material, can in infiltration aperture and hole, the silicon gel of solidify can jam wool stoma passageway, increase the density of material and strength, improve data thereby fight efflorescent ability. But water glass must not use besmear to brush or macerate gesso goods. Because water glass and gesso reaction generate vitriolic natrium (Na2SO4) , inside goods hole crystallization expands, bring about gesso goods craze to destroy.
2, consolidate soil
In noting water glass and chloridize calcic solution be buried soil alternately, quick response makes two kinds of solution silica gel and siliceous calcic gel, have the effect of cementation and fill hole, make edaphic intensity and carrying capacity rise. Commonly used the foundation consolidate at powdery earth, sandy soil and filling, call double fluid to note an oar.
3, make up fast coagulate waterproof agent
Water glass can be made up with a variety of vitriol fast coagulate waterproof agent, use at shot-off of loss, fill seam wait for local rush to repair. This kinds of many vitriol is waterproof the coagulation of the agent rate is very rapid, it is a few minutes commonly, among them waterproof agent does not exceed 4 vitriol 1min, when be being used on reason building site, must accomplish deserve to be used namely namely.
Much vitriol is waterproof the agent is commonly used chalcanthite (bluestone, ) , red vitriol (heavy chromic acerbity Potassium, k2Cr2O7) , aluminous (also weigh alum, vitriolic aluminium Potassium) , 4 kinds of vitriol such as violet vitriol.
4, make up acid-proof gel, acid-proof mortar and acid-proof concrete
Acid-proof gel is to use water glass and acid-proof pink material (pink of commonly used quartz) make up and become. Like acid-proof mortar and concrete, basically use at having the project of acid-proof requirement. Wait like vitriolic pool.
5, make up mortar of heat-resisting gel, heat-resisting and heat-resisting concrete
Water glass gel basically is used at the build by laying bricks or stones of fireproof material is built and be being repaired. Mortar of water glass heat-resisting and concrete basically are used at blast furnace foundation to mix other the structural place that has heat-resisting demand.
6, anticorrosive project application
Modified water glass is acid-proof mud is acid-proof corrode important material, major attribute is acid-proof, be able to bear or endure lukewarm, close-grained impervious, price is low, use convenient. Can blend oar of acid-proof puddle, acid-proof sand and acid-proof concrete, apply to the branch such as chemical industry, metallurgy, electric power, coal, spin the anticorrosion project of all sorts of structures, it is acid of lay aside of construction of the building that spin acid pool, acid-proof level ground, and the good stuff that acid-proof surface build by laying bricks or stones builds.
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