Recovery method of fiber reinforced composite sucker rod

• Main Authors: YU JUNWEI, WANG LI, DI CHENGRUI, QIAO KUN, ZHU BO
• Format: Patent
• Language: Chinese; English
• Published: 19.10.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; CLEANING; CLEANING IN GENERAL; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; PREVENTION OF FOULING IN GENERAL; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

The invention discloses a recovery method of a fiber reinforced composite sucker rod. A waste fiber reinforced composite sucker rod of which the surface contains unrecovered oil is soaked and cleanedin mixed solvents so as to remove the unrecovered oil from the surface, and then the sucker rod from the surface of which the unrecovered oil is removed is heated to 300 to 600 DEG C so as to decompose fiber reinforced composite matrix resin, thereby recycling to obtain carbon fiber and/or glass fiber in the waste fiber reinforced composite sucker rod, wherein the mixed solvents are composed of liquid alkane solvents, arene solvents and polar molecule solvents. According to the method, the problem of waste pumping treatment can be effectively solved, crude oil stained on the surface of the sucker rod can be recycled, and reinforced fiber in the sucker rod can be recycled, so that the use rate of materials is greatly increased, economic benefits are increased, and additionally, the environment cannot be influenced.