国家/地区 中国（9）
IPC部 F（9） B（3） C（3）
IPC大类 F24（9）
IPC小类 F24D（9） B32B（3） C08K（3）
C08L（3） F16L（2）
IPC F24D003/12（9）
发明人
公开年 2022（4） 2021（3）
申请年 2020（3）  2022（3）  2021（2） 
专利权人 CNNC TONGFU .（2）

Graphene radiation cross-linked geothermal pipe for use in underfloor heating heat medium, has anti-extrusion filling cavity filled with high temperature resistant filling piece, where lower arc of graphene plate main body is provided with supporting placing component.

YAO Y

Anti-scale layer used in preparing heat-resistant polyethylene (PE-RT) floor heating pipe, comprises PE-RT, organic silicone masterbatch, nano-silicon dioxide and modified-graphene oxide prepared by modifying graphene oxide with surface modifier.

OU J, CHEN S, CHENG X, QIN X, LV A

High heat conducting PERT floor heating pipe, has heat conducting upper pipe sleeve whose lower end face is propped against upper end face of heat conducting lower pipe sleeve.

CAO W

Ground heating pipe with high heat conductivity, has surface of second cross-linked polyethylene pipe is integrally formed with base and surface of base is provided with fixing component.

FU X

Long-term oxygen blocking floor heating pipe with far-infrared radiation function comprises ethylene vinyl alcohol resin, graphene, seaweed carbon, ceramic powder, silica, maleic anhydride grafted polyethylene and heat-resistant polyethylene.

JIN T, LEI G, PENG Y

Graphene heat-conducting reinforced composite floor, has heat conducting shell whose front and rear middle parts are fixedly connected with heat conducting pipe, where outer wall of heat conducting pipe is filled with graphene.

HAO Y

Graphene high heat-conducting polypropylene floor heating pipe, has water pipe whose inner side wall is provided with oxygen barrier membrane, and fluorescent layer whose outer part is provided with metal soft wire.

ZHANG S

High heat-conducting graphene floor heating pipe comprises pipe body, polyethylene layer, steel wire net layer, and graphene heat-conducting layer including graphite, antioxidant, dispersant, coupling agent, heat stabilizer, and plasticizer.

XU W, LIU Y, ZHANG H

Graphene high heat conducting PERT floor heating pipe, has separating plate located below pipe body, where lower part of separating plate is fixed with mounting plate, and upper part of mounting plate is provided with clamping nail through groove hole.

CHEN Q