The organic solvent is a kind of organic solvent medium, on the contrary is an inorganic solvent, the solvent is divided into organic solvents and inorganic solvents by chemical composition. Organic solvents are widely used in chemical, heat treatment industrial furnaces, smelting, chemistry, medicine and other fields. It is specifically found in coatings, adhesives, paints, and cleaners. Organic solvents such as styrene, perchloroethylene, trichloroethylene and ethylene glycol ethers are often used. Just like the methanol and ethanol (alcohol) that we often use in our daily work is one of the common organic solvents.
Here we talk about the specific classification of organic solvents:
Types of Organic Solvents There are many types of organic solvents and they can be divided into 10 categories according to their chemical structures: 1. Aromatic hydrocarbons: benzene, toluene, xylene, etc. 2. Aliphatic hydrocarbons: pentane, hexane, octane (3) Alicyclic hydrocarbons: cyclohexane, cyclohexanone, toluene cyclohexanone, etc.; 4, halogenated hydrocarbons: chlorobenzene, dichlorobenzene, dichloromethane, etc.; 5. Alcohols: methanol, ethanol, etc. Isopropyl alcohol, etc.; 6, ethers: ether, propylene oxide, etc.; 7, esters: methyl acetate, ethyl acetate, propyl acetate, etc.; 8, ketones: acetone, methyl butanone, methyl iso Butanone, etc.; 9, diol derivatives: ethylene glycol monomethyl ether, ethylene glycol mono-ether, ethylene glycol monobutyl ether, etc.; 10, other: acetonitrile, pyridine, phenol and so on.
Organic solvents such as ethanol, styrene, perchloroethylene, trichloroethylene, ethylene glycol ether, and triethanolamine are often used.
Organic solvents have a common character, that is, they are corrosive to rubber products. Long-term contact with rubber will make them soft and brittle, and rubber will crack and fracture. This will cause the flowmeter to appear during the measurement process. Leakage phenomenon. So how do you measure organic solvents well without leakage? Liangbang product designers continuously explore and experiment in the long-term production process. The continuous improvement and design of the seals of glass rotor flowmeters, flowmeters commonly used to measure organic solvents can be divided into glass rotor flowmeters, metal tube floater flowmeters, turbine flowmeters and so on. Among them, the glass rotor flowmeters are DK800 series, GA10/FA10 series, and LZB glass rotor flowmeter series. The seals of these products are made of PTFE and have very good corrosion resistance to organic solvents. Under the long-term use and experiment of the customer, no leakage was found. Among them, our company created the F46 material sealing ring in the LZB glass rotor flowmeter series, and upgraded and replaced the original rubber sealing ring, which completely solved the embarrassing situation that the domestic LZB series glass rotameter could not measure organic solvents.
The following figure shows the DK800 series and GA30 series glass rotor flowmeters:
In addition, qualified customers can consider the use of metal tube floater flow meter to measure organic solvents, because the metal tube floater flowmeter uses all-metal measuring tube structure, the connection is flange, thread, clamp connection. The internal structure is simple and there is no plastic seal so that the problem that the seal material of the flow meter is corroded by the organic solvent is completely avoided. Moreover, the metal tube float flow meter has the advantages of long use time, convenient maintenance and maintenance, and easy installation.
The following picture is a picture of a metal tube float flow meter:
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