Cases

Comprehensive electric heat tracing solution for Sinopec Shengli Oilfield. Huanrui DBR & ZBR self-regulating heating cables with total length of 145,000 meters, for freeze protection and thermal insulation of oilfield pipelines, tanks and process equipment.

Electric heat tracing solution for PetroChina Changqing Oilfield. Huanrui DBR & ZBR self‑regulating heating cables with total length of 1,220,000 meters, providing freeze protection and thermal insulation for pipelines, tanks and equipment for new‑build, technical revamp and maintenance projects.

Heat tracing for Shandong Yulong Island Refining & Chemical Integration Project Phase I. Huanrui LSR, SSR, RDC1, RDC3 heating cables, total length 200,000 meters, DN15‑DN500 pipes, maintain temp 5℃‑15℃ for water medium in petrochemical plant.

Electric heat tracing for hazard remediation of 600 KTPA diesel hydro‑upgrading unit of PetroChina Liaohe Petrochemical. 30 circuits, total heating cable length 10,000 m, total power 135 KW, maintain temperature 30℃. Adopted Huanrui ZBR heating cables for hydrogen, lube oil and softened‑water medium.

Electric heat tracing for Sinopec Tangshan LNG Terminal. Covering berth, trestle, tank farm, pump house and fire‑water tanks. DN20~DN1000 pipes, maintain temp 5℃‑10℃ for process, domestic and fire water. Huanrui LSR & RDC1 heating cables, total length 39,356 m, 9 circuits, total power 20 KW.

Electric heat tracing for reducer oil pipes and louvers of steel finned anti‑plume cooling towers for Amur GCC Project. Maintain temperature 5℃ for ice & snow protection. Huanrui LSR heating cables, total length 22,780 m, 240 circuits, total power 387.3 KW.

Constant wattage electric heat tracing framework for Wanhua Chemical. For acid‑making unit, wastewater, waste‑oil, methanol phase‑II and chlorine‑related pipelines. DN50‑DN450, maintain temperature 8℃‑90℃ for alkali liquor, concentrated sulfuric acid, acrylic acid and other corrosive media. Adopted Huanrui RDC2 & RDC3 heating cables, total length 186,170 m, 153 circuits, total power 3754.2 KW.

Electric heat tracing for Baihuisheng (Lesaffre Group) in Chifeng Inner Mongolia. Covering fresh‑yeast workshop, outdoor pipe rack, chemical tank farm and gutter snow‑melting system. DN20‑DN200 pipes, multiple maintain temperatures 0℃‑60℃ for fresh yeast, condensate, sodium chloride and other media. Huanrui RDC1, LSR, GBR, HM‑cable heating cables, total length 14,692 m, 43 circuits, total power 220 KW.

High‑temperature MI mineral‑insulated electric heat tracing for Tongwei high‑purity crystalline‑silicon green‑energy project. Applied for waste‑gas treatment, cold hydrogenation unit and trichlorosilane synthesis. Maintain temperature 90℃‑260℃ for silicon powder and silane gas. Huanrui MI heating cables, total length 27,180 m, 344 circuits, total power 1482.06 KW.

New‑built plant‑wide process pipeline heat tracing for Inner Mongolia Yongtai Chemical. DN25‑DN200 pipes, maintain temperature 10℃‑100℃ for water and chemical media. Huanrui DBR, ZBR, SSR heating cables, total length 114,500 m, 1580 circuits, total power 4367.5 KW for fine‑chemical and pharmaceutical‑intermediate production.

Plant‑wide pipeline electric heat tracing for Shandong Chambroad Petrochemical. Covering 30 KTPA special polyolefin project and 2.04 MTPA K‑COT propylene production project. Media includes domestic water, demineralized water, n‑Hexane, crude oil, asphalt, benzene and MBO. Huanrui LSR, ZBR, SSR, XBR, RDC1, RDP2 heating cables, total length 43,922 m, 620 circuits, total power 1263.7 KW.

Electric heat tracing for safety hazard remediation project of PetroChina Jinzhou Petrochemical Xinghai Company. Conversion from diesel pipeline to marine fuel‑oil pipeline at Jinzhou Port No.5 Plant. DN250 / DN400 pipes, maintain temperature 70℃ for fuel‑oil medium. Huanrui RDC1 & RDP3 heating cables, total length 68,980 m, 20 circuits, total power 1036.2 KW.