2.Integration of key technologies for ethylene industrial towers separation
2.1 Ethylene plant quench separation
NO. Project name Client Tower diameter/mm Time
1 Cracking device for deep processing and comprehensive utilization project of by-product Shenhua Ningxia Coal Industry Group Co., Ltd. Φ6500/Φ8800 2015.01
2 Plant renovation of 1 Mt/a ethylene project Sinopec Zhenhai Refining & Chemical Branch Φ13200 2014.01
3 Renovation project of hydrofining plant of ethylene raw material engineering Liaoning Huajin Tongda Chemical Co., Ltd. Φ1600/Φ2600 2013.08
4 990, 000 t/a ethylene plant renovation of ethylene plant debottleneck renovation project Fujian United Petrochemical Co., Ltd. Φ11500 2012.12
5 Maintenance of Dushanzi ethylene plant in 2011 PetroChina Dushanzi Petrochemical Company Φ4100 2011.09
6 Ethylene plant renovation of 660, 000 t/a ethylene expansion project Sinopec Beijing Yanshan Branch Φ11000 2011.07
7 Modification of gasoline fractionating tower internals Sinopec Zhongyuan Petrochemical Co., Ltd. Φ5400 2011.03
8 Quench oil tower of 800, 000 t/a ethylene project Wuhan Branch of Sinopec Corp. Φ11500 2011.01
 
2.2 Ethylene plant and other tower
NO. Project name Client Tower diameter/mm Time
1 Internals renovation project for DA-102 tower of ethylene plant China Petroleum & Chemical Corporation Beijing Yanshan Branch Φ2200 2016.01
2 Cracking unit of by-product deep processing and comprehensive utilization project Shenhua Ningxia Coal Industry Group Co., Ltd. Φ1900 2015.01
3 1.2 Mt/a ethylene renovation and expansion project PetroChina Daqing Petrochemical Company Φ3800 2014.05
4 200, 000 t/a industrial isooctane project Qinzhou Tianheng Petrochemical Co., Ltd. Φ2400/2000 2013.04
5 990, 000 t/a ethylene plant renovation of ethylene plant debottleneck renovation project Fujian United Petrochemical Co., Ltd. Φ2400 2012.10
6 Product refining unit of ethylene raw material engineering optimization and energy-saving renovation project Liaoning Huajin Tongda Chemical Co., Ltd. Φ2600/2200 2012.01
7 Renovation of alkaline water washing tower for vinyl plant in the old area Dushanzi Petrochemical Company of China National Petroleum Corporation Ф2300 2011.04
8 800, 000 t/a ethylene project Sinopec Wuhan Branch Φ2600 2011.01
 
2.3 Gas fractionation
NO. Project name Client Tower diameter/mm Time
1 1 Mt/a light hydrocarbon comprehensive utilization project Shandong Yuhuang Shengshi Chemical Co., Ltd. Φ4800 2017.02
2 Gas separation unit of 100, 000 t/a propylene project Maoming Tianyuan Business Development Co., Ltd. Φ3800 2016.11
3 Cracking unit of by-product deep processing and comprehensive utilization project Shenhua Ningxia Coal Industry Group Co., Ltd. Φ6600 2015.01
4 Propylene-propane separation tower internals Shandong Jianlan Chemical Co., Ltd. Φ1500 2013.12
5 500, 000 t/a propane dehydrogenation project Hebei Haiwei Transportation Facilities Group Co., Ltd. Φ8300 2013.10
6 660, 000 t/a propane dehydrogenation project New chemical project in Zhongjing Petrochemical Park Ф2900/Φ5400 2013.04
7 Olefin separation unit of 500, 000 t/a engineering plastics project Inner Mongolia China Coal Mengda New Energy Chemical Co., Ltd. Φ3300 2013.04
8 Depentanizer renovation project of 100, 000 t/a gas separation unit Xinjiang Xinfeng Co., Ltd. Φ2200 2013.04
9 Gas fractionation project in Panjin Baolai Panjin North Asphalt Fuel Co., Ltd. Φ3600 2013.03
10 100, 000 t/a gas fractionation unit, 250, 000 t/a catalytic gasoline treatment unit China Petroleum Qinghai Oilfield Golmud Refinery Ф2200 2013.02
11 990, 000 t/a ethylene plant renovation of ethylene plant debottleneck renovation project Fujian United Petrochemical Co., Ltd. Φ2600 2012.12
12 600,000 t/a propane dehydrogenation device of propane and mixed C4 utilization project Ningbo Haiyue New Material Co., Ltd. Φ9000 2012.08
13 Olefin separation and C4 comprehensive utilization plant China Coal Shaanxi Yulin Energy Chemical Co., Ltd. Φ2200/Φ3300 2012.07
14 N-butane plant and system supporting engineering Sinopec Jinling Branch Φ3200 2011.06
15 800, 000 t/a ethylene project Sinopec Wuhan Branch Φ2600 2011.01
 
2.4 MTBE unit
NO. Project name Client Tower diameter/mm Time
1 Extraction distillation column internals for MTBE product desulfurization technology Sinochem Quanzhou Petrochemical Company Φ1800 2017.01
2 MTBE renovation project Dalian West Pacific Petrochemical Co., Ltd. Φ1200/Φ1600 2014.11
3 100, 000 t/a MTBE project Shijiazhuang Dingying Chemical Co., Ltd. Φ2200/Φ1800 2014.11
4 C4 stripping tower Shandong Shouguang Luqing Petrochemical Co., Ltd. Φ1000 2014.08
5 Modification of the desulfurization system for 100, 000 tons of MTBE plant Maoming Branch of China Petroleum & Chemical Corporation Φ1600 2014.06
6 Desulfurization modification of MTBE unit China National Petroleum Corporation Dalian Petrochemical Branch Φ2600/Φ2000 2014.01
7 Desulfurization transformation project of MTBE product Jilin Jinjiang Oil Chemical Plant of Jihua Group Φ1600 2013.09
8 Modification of 114,000 t/a isobutane dehydrogenation and 180, 000 t/a MTBE plant Liaoning Tongyi Petrochemical Co., Ltd. Φ900/1800 2013.03
9 MTBE product desulfurization PetroChina Jinzhou Petrochemical Company Φ1000 2012.07
10 MTBE device of the second rubber factory of Yanshan Petrochemical China Petroleum & Chemical Corporation Beijing Yanshan Branch Φ2000/Φ1600 2012.06
11 20,000 t/a MTBE butene-1 device Shenhua Baotou Coal Chemical Branch Φ2400 2011.06
12 MTBE device of shale oil deep processing project Fushun Mining Group Co., Ltd. Φ2400 2011.03
13 MTBE unit of 600,000 t/a catalytic cracking unit Panjin North Asphalt Fuel Co., Ltd. Φ2400/Φ1600 2011.02
 
2.5 C4 separation/C5 separation/rubber
Achievements in MTO/MTP
NO. Project name Client Tower diameter/mm Time
1 Inner parts modification of olefin separation packed tower for expansion and renovation project of DMTO unit Shandong Lianhong New Material Co., Ltd. Φ2200 2017
2 Modification project of MTO device Nanjing Chengzhi Clean Energy Co., Ltd. Φ1300 2017.02
3 Oxidation absorption tower of MTO device of 250,000 t/a butyl octanol project Wison (Nanjing) Clean Energy Co., Ltd. Φ1400/Φ2200 2016.02
4 Isomerization unit of olefin separation device for 3.6 Mt/a coal-to-methanol and its deep processing project China Coal Shaanxi Yulin Energy Chemical Co., Ltd. Φ2600 2016.01
5 Quenching tower renovation of 2 × 1.8 Mt/a MTO plant of Ordos coal deep processing demonstration project Zhongtian Hechuang Energy Co., Ltd. Ф6800 2015.12
6 Adaptive modification project of MTO pilot plant China Petroleum & Chemical Corporation Beijing Yanshan Branch Φ1000 2015.10
7 8 towers of 900,000 t/a methanol-to-olefins (MTO) unit for the first phase of alcohol-based polygeneration Jiangsu Silbon Petrochemical Co., Ltd. Ф2100/Φ4000 2015.02
8 Annual processing 600, 000 tons of methanol to 200, 000 tons of polypropylene (FMTP) technology demonstration project Huating Coal Industry Group Co., Ltd. Φ5400 2014.10
9 1 Mt/a methanol to olefin, 500,000 t/a styrene, 1 Mt/a DMTO unit Fude (Changzhou) Energy Chemical Development Co., Ltd. Φ5400 2014.03
10 1.8 Mt/a MTO device Jiutai Energy (Zhunger) Co., Ltd. Φ1700/Φ2600 2013.12
11 Olefin separation unit of 1 Mt/a DMTO project Shandong Shenda Chemical Co., Ltd. Φ2200 2013.09
12 Olefin separation unit of DMTO project Shaanxi Pucheng Clean Energy Φ3200 2013.08
13 Oxide extractor coalescer and extractor coalescer of MTP device Datang Inner Mongolia Duolun Coal Chemical Co., Ltd. Φ4400 2012.04
 
Achievements in butadiene
NO. Project name Client Tower diameter/mm Time
1 30,000 t/a butadiene transparent anti-impact resin project Liaoning Kaidi Chemical Co., Ltd. Φ1800 2015.10
2 1 to 3 packages of 100, 000 t/a butadiene unit (BID) for the first phase of alcohol base coproduction project Jiangsu Silbon Petrochemical Co., Ltd. Φ1600/Φ2400 2014.05
3 Building residual liquid de-weighting rectification tower of butadiene plant Sinopec Maoming Branch Φ600 2012.11
4 Internals of 70,000 t/a oxidation dehydrogenation unit to produce dibutene Shandong Heze Yuhuang Chemical Co., Ltd. Φ4000 2012.09
5 100, 000 t/a butadiene project Shandong Huamao New Materials Co., Ltd. Φ1800 2012.09
6 150, 000 t/a butadiene project Shandong Wanda Chemical Co., Ltd. Φ3000/Φ3800 2012.07
7 100, 000 t/a butadiene project Huayu Rubber Co., Ltd. Φ3000/Φ3800 2012.05
8 Renovation project of T-424 butadiene washing tower system of butadiene plant Sinopec Beijing Yanshan Branch No. 1 Rubber Factory Φ1600 2011.04
 
Achievements in other devices
NO. Project name Client Tower diameter/mm Time
1 Technical transformation of tower of No.2 rubber polymerization workshop in No.3 chemical plant Daqing Petrochemical Machinery Plant Φ1400 2016.03
2 Transformation project of deisobutane column Dongying Kede Chemical Co., Ltd. Φ2400 2016.02
3 Technical transformation project of 200,000 t/a high standard environmentally friendly rubber oil refining China Shipping Asphalt Co., Ltd. Φ2400 2015.12
4 Tower internals of 200, 000 t/a C4 deep processing project Ningxia Jinyuhai Chemical Co., Ltd. Ф2400/Φ3000 2015.07
5 Separation unit of C4 deep processing project Shida Shenghua Φ2600 2014.07
6 Retrofit of 500,000 t/a C4 separation unit Daqing Zhonglan Petrochemical Co., Ltd. Φ5600 2014.03
7 200,000 t/a isobutane dehydrogenation project Shandong Shouguang Luqing Petrochemical Co., Ltd. Φ4000/Φ4200 2014.02
8 Retrofit of 500, 000 t/a C4 separation unit Guangxi Xinxin Energy Technology Co., Ltd. Φ2600/3000 2013.12
9 An annual output of 145, 000 tons of isobutene project Shandong Longgang Chemical Co., Ltd. Φ3000/3600 2013.12
10 C4 comprehensive utilization device Inner Mongolia China Coal Mengda New Energy Chemical Co., Ltd. Φ2400 2013.10
11 Phase I project of comprehensive utilization of C4 Hebei Haite Weiye Petrochemical Co., Ltd. Ф3400 2013.06
12 100,000 t/a mixed C4 deep processing project Shouguang Union Petrochemical Co., Ltd. Φ3000 2013.04
13 Liquid chlorine storage and vaporization unit tower internals of 30,000 t/a halogenated butyl rubber project Panjin Heyun New Material Co., Ltd. Ф1800 2013.04
14 40,000 t/a methyl ethyl ketone unit Ningbo Haiyue New Material Co., Ltd. Φ2600 2013.01
15 30,000 t/a rubber filling oil project Zibo Huijia Rubber New Material Co., Ltd. Φ800/Φ1200 2013.01
16 Hydrogenation device of 100,000 t/a cycloalkyl lubricating oil Panjin Hongye Petrochemical Co., Ltd. Φ1000/Φ1400 2013.01
17 500, 000 t/a C4 deep processing project Panjin North Asphalt Fuel Co., Ltd. Φ2400 2012.09
18 Olefin separation and C4 comprehensive utilization plant China Coal Shaanxi Yulin Energy Chemical Co., Ltd. Φ2200/Φ3300 2012.07
19 150,000 t/a C5 separation unit of Yanhua No. 1 Chemical Plant China Petroleum & Chemical Corporation Beijing Yanshan Branch Φ2000 2012.02
20 C4 comprehensive utilization project Shenhua Baotou Coal Chemical Co., Ltd. Φ2300 2012.01
 
2.6 Polypropylene
NO. Project name Client Tower diameter/mm Time
1 Polypropylene plant of deep processing and comprehensive utilization of coal chemical by-products Shenhua Ningxia Coal Industry Group Co., Ltd. Φ1200/Φ2600 2015.06
2 Propylene stripper of 300,000 tons PP unit Fude (Changzhou) Energy Chemical Development Co., Ltd. Φ1300 2015.04
3 HDPE device, LLDPE device and PP device for the second phase of refinery project Huizhou Refinery Branch of CNOOC Refining & Chemical Co., Ltd. Φ2000/Φ3300 2015.02
4 Polypropylene plant of Ganhe olefin project Qinghai Damei Coal Industry Co., Ltd. Ф1525/Ф2100/Ф3050 2014.11
5 300, 000 t/a polypropylene plant for downstream projects of methanol processing Shenhua Coal-to-Liquid Chemical Co., Ltd. Yulin Chemical Branch Φ1300/Φ2200 2013.11
6 Polypropylene plant with an annual output of 500, 000 tons of engineering plastics project Inner Mongolia China Coal Mengda New Energy Chemical Co., Ltd. Φ1300 /Φ2000 2013.09
7 32,000 tons of propylene chloride unit Baling Branch Φ900/Φ1400 2013.09
8 200,000 t/a polypropylene plant Shandong Shenda Chemical Co., Ltd. Φ1400/Φ2100 2013.08
9 600,000 t/a polypropylene first phase project Hebei Haiwei Transportation Facilities Group Co., Ltd. Φ1200 2012.07
10 500,000 t/a polypropylene project of MTO Shenhua Ningxia Coal Industry Group Co., Ltd. Φ1200/Φ2300 2012.05
11 Tower inner parts of 15,000 tons of propylene chloride project Rizhao Lanxing Chemical Industry Co., Ltd. Φ1200 2012.05
12 250,000 t/a HDPE device of synthetic resin product structure adjustment project Sinopec Qilu Branch Φ400/Φ800 2011.11
13 200,000 t/a polypropylene plant Xuzhou Haitian Petrochemical Co., Ltd. Φ900/Φ1400 2011.04
 
2.7 Styrene/ethylbenzene
Achievements in dehydrogenation of ethylbenzene to styrene
NO. Project name Client Tower diameter/mm Time
1 Process technology transformation project of 200,000 t/a ethanol process ethylbenzene-styrene renovation and expansion project Shandong Heze Yuhuang Chemical Co., Ltd. Φ3600 2017.01
2 Tower inner parts of 260,000 t/a styrene plant Anhui Haoyuan Chemical Group Co., Ltd. Φ3600 2016.09
3 Maintenance and replacement of internals of 150,000 t/a styrene unit North Huajin Chemical Industry Co., Ltd. Φ5300 2015.03
4 60,000 t/a styrene plant of 80, 000 t/a catalytic dry gas to styrene project Shandong Shengyuan Petrochemical Technology Co., Ltd. Φ3600 2013.07
5 Styrene unit of 120,000 t/a ethylbenzene/styrene project CNOOC Dongfang Petrochemical Co., Ltd. Φ4200 2013.05
6 100,000 tons of ethylbenzene transformation project PetroChina Dalian Petrochemical Company Ф1200 2013.04
7 500,000 t/a styrene plant Tianjin Dagu Chemical Co., Ltd. Φ1800 2012.12
8 60,000 t/a ethylbenzene/styrene project Sinopec Zhanjiang Dongxing Petrochemical Co., Ltd. Φ2000 2012.07
9 Tower inner parts renovation project of ethylbenzene unit in styrene plant maintenance North China Petrochemical Company, China National Petroleum Corporation Φ3200 2011.11
10 200,000 t/a styrene modification Shandong Heze Yuhuang Chemical Co., Ltd. Φ3200 2011.09
11 320,000 t/a styrene project PetroChina Jilin Petrochemical Company Ф1800 2011.02
12 Ethylbenzene unit of 50,000 t/a styrene project PetroChina North China Petrochemical Company Φ3200 2011.01
 
 
Achievements in C8 extraction of styrene
NO. Project name Client Tower diameter/mm Time
1 27,000 t/a C8 extraction of styrene unit China Petroleum & Chemical Corporation Beijing Yanshan Branch Φ1500 2016.02
2 35,000 t/a styrene extraction device of styrene recovery project Zhongsha (Tianjin) Petrochemical Co., Ltd. Φ3600 2015.03
3 Modification of tower inner parts of 30,000 t/a styrene extraction unit Guangdong Xinhuayue Petrochemical Company Φ1400 2014.07
4 C8 extraction of styrene unit of xylene capacity expansion project China Petroleum & Chemical Corporation Beijing Yanshan Branch Φ3100 2013.11
5 40,000 t/a styrene recycling project from crude gasoline Xinjiang Dushanzi Tianli Industrial Corporation Φ4600 2013.09
6 27,000 t/a styrene extraction unit of pyrolysis gasoline extraction project Liaoning Huajin Tongda Chemical Co., Ltd. Φ3200 2012.08
 
2.8 Ethylene oxide/ethylene glycol
Achievements in petroleum process of ethylene oxide/ethylene glycol
NO. Project name Client Tower diameter/mm Time
1 Solvent project of 20,000 t/a new energy lithium battery electrolyte Oak Chemical Yangzhou Co., Ltd. Φ1400 2016.05
2 Tower Internals of 200,000 t/a ethylene oxide plant Sinopec Maoming Branch Ф5800 2015.09
3 Ethylene oxide conversion project China National Petroleum Corporation Jilin Petrochemical Company Ethylene Glycol Plant Ф3000 2015.05
4 Ethylene oxide/ethylene glycol unit Sinopec Zhenhai Refining & Chemical Branch Φ4200 2014.06
5 120,000 t/a EO unit Shandong Haoda Chemical Co., Ltd. Φ1400 2014.05
6 Tower inner parts of ethylene glycol refining project Sinopec Yizheng Chemical Fiber Co., Ltd. Φ900 2014.03
7 200,000 t/a ethylene oxide project Taixing Jinyan Chemical Technology Co., Ltd. Φ2200/4000 2013.12
8 180,000/400,000 t/a ethylene oxide/ethylene glycol Fujian United Petrochemical Co., Ltd. Φ3700/4800 2013.09
9 120,000 t/a EO unit Shandong Haoda Chemical Co., Ltd. Φ2300 2013.08
10 Ethylene glycol refining tower Jiangsu Zhongbai Technology Development Co., Ltd. Φ900 2013.04
11 EO/EG energy saving device and EO expansion project Olefin Plant of PetroChina Liaoyang Petrochemical Company Φ2400 2013.03
12 100,000 t/a ethylene oxide project Sanjiang Hushi Chemical Co., Ltd. Φ2300 2011.03
13 150, 00/280,000 t/a ethylene oxide/ethylene glycol unit Sinopec Wuhan Branch Φ4400 2011.02
 
 
Achievements in coal to ethylene glycol
NO. Project name Client Tower diameter/mm Time
1 Oxalic acid device of product structure optimization and upgrading construction project Shandong Astech Technology Co., Ltd. Φ3200/Φ3600 2017.05
2 200,000 t/a syngas to ethylene glycol project Shanxi Xiangkuang Hongtong Coal Chemical Co., Ltd. Φ3000/Φ3600 2017.02
3 Distillation device of coal-to-ethylene glycol waste recycling and comprehensive utilization project Anyang Chemical Industry Group Co., Ltd. Φ1000 2016.03
4 Ethylene glycol industrial demonstration device reactor Hubei Chemical Fertilizer Branch Φ3600 2016.02
5 Glycol project Yangmei Pingding Chlor-Alkali Factory Φ5600 2014.06
6 Coupling section of 200,000 t/a syngas to ethylene glycol industrial demonstration plant CNPC Hubei Chemical Fertilizer Branch Φ3200 2014.05
7 100,000 t/a ethylene glycol project Jiutai Energy Technology Co., Ltd. Ф4600 2013.12
8 100, 000 t of syngas to glycol demonstration project Anhui Huaihua Co., Ltd. Φ5000/1400 2012.12
9 Gasification plant of 300,000 t/a ethylene glycol project Qianxi County Qianxi Coal Chemical Investment Co., Ltd. Φ3600 2012.12
10 300,000 t/a ethylene glycol unit Ordos Xinhang Energy Φ5000 2012.11
11 Coupling section of 200,000 t/a syngas to ethylene glycol industrial demonstration plant China Petroleum & Chemical Corporation Hubei Chemical Fertilizer Branch Φ5200/Φ4200 2012.09
 
2.9 Ethanolamine/ ethylene polyamine
NO. Project name Client Tower diameter/mm Time
1 New technology development project of ethylene polyamine separation Jiangxi Hurricane Chemical Co., Ltd. Φ2800 2015.05
2 30,000 t/a ethylene amine device Shandong Union Chemical Co., Ltd. Φ3000 2014.04
3 Ethanolamine plant of epoxy project Liaoning North Chemical Industry Co., Ltd. Φ800/Φ3200 2009.05
4 Ethanolamine distillation system Hubei Xianlin Chemical Co., Ltd. Φ3000 2008.07

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