Patents by Inventor Zhaobin Zhang
Zhaobin Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210180879Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; the internal wall of the pipe body (10) is provided with a fin (11) protruding towards the interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein at least one of a heat insulator (14) and a heat insulating layer (17) is provided at the outside of the pipe body (10). The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.Type: ApplicationFiled: October 25, 2018Publication date: June 17, 2021Inventors: Guoqing WANG, Junjie LIU, Lijun ZHANG, Cong ZHOU, Zhaobin ZHANG, Shasha YANG, Dongfa SHEN, Xiaofeng LI, Shifang YANG, Zhiguo DU, Yonggang ZHANG, Ying SHI, Jinghang GUO
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Patent number: 11016010Abstract: A triaxial rock mechanics test system for high-strain-rate cyclic dynamic loading is provided, including: a host loading module, a dynamic cyclic loading module, and a dynamic measurement module. The host loading module includes a loading frame, a triaxial pressure mechanism and an actuator that are provided inside the loading frame. The dynamic cyclic loading module includes a driving mechanism, a fixed mechanism and a mobile mechanism. The dynamic measurement module is configured to acquire axial pressure data, radial deformation data and axial deformation data of the rock sample during a test. In the triaxial rock mechanics test system for high-strain-rate cyclic dynamic loading of the present invention, an energetic rod is driven by an electrical explosion of a metal wire to generate a strong shock wave with controllable peak pressure, duration and waveform.Type: GrantFiled: February 19, 2021Date of Patent: May 25, 2021Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Guanfang Li, Xiao Li, Shouding Li, Jianming He, Zhaobin Zhang, Tianqiao Mao, Bo Zheng, Yanfang Wu
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Patent number: 10948431Abstract: A visible test system includes a test chamber system, a heating system, a pressure control system, and a high-energy accelerator CT detection system configured to scan and detect the seepage and migration of magnetic fluid in fractures in a sample. The test chamber system includes a pressure chamber and a sample encapsulation device immersed in hydraulic oil arranged inside the pressure chamber. The heating system includes a magnetic fluid heating device, a resistance wire heating device and a temperature detection device. The magnetic fluid heating device includes a magnetic fluid loading pump configured to supply the magnetic fluid injected into the sample encapsulation device and an alternating magnetic field control device configured to provide an alternating magnetic field for heating the magnetic fluid. The resistance wire heating device is configured to heat the hydraulic oil. The present invention makes the fracture connectivity change during rock mass fracture visible.Type: GrantFiled: November 13, 2020Date of Patent: March 16, 2021Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Bo Zheng, Xiao Li, Shouding Li, Jianming He, Zhaobin Zhang, Tianqiao Mao, Guanfang Li, Pengfei He, Yanfang Wu
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Publication number: 20200326141Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.Type: ApplicationFiled: October 25, 2018Publication date: October 15, 2020Inventors: Guoqing WANG, Junjie LIU, Lijun ZHANG, Cong ZHOU, Zhaobin ZHANG, Shasha YANG, Dongfa SHEN, Xiaofeng LI, Shifang YANG, Zhiguo DU, Yonggang ZHANG, Ying SHI, Jinghang GUO
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Publication number: 20190128622Abstract: The present disclosure relates to a heat transfer tube and a racking furnace using the heat transfer tube. The heat transfer tube comprises a twisted baffle arranged in an inner wall of the tube, said twisted baffle extending spirally along an axial direction of the heat transfer tube. The twisted baffle is provided with a non-through gap extending along an axial direction of the heat transfer tube from an end to the other end of the twisted baffle. The heat transfer tube and cracking furnace according to the present disclosure have good heat transfer effects and small pressure loss.Type: ApplicationFiled: December 26, 2018Publication date: May 2, 2019Inventors: Guoqing WANG, Lijun ZHANG, Xianfeng ZHOU, Junjie LIU, Zhiguo DU, Yonggang ZHANG, Zhaobin ZHANG, Cong ZHOU
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Patent number: 10209011Abstract: A heat transfer tube includes a twisted baffle arranged in an inner wall of the tube. The twisted baffle extends spirally along an axial direction of the heat transfer tube. The twisted baffle is provided with a non-through gap extending along an axial direction of the heat transfer tube from an end to the other end of the twisted baffle. A cracking furnace uses the heat transfer tube. The heat transfer tube and cracking furnace have good heat transfer effects and small pressure loss.Type: GrantFiled: October 31, 2013Date of Patent: February 19, 2019Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry SINOPECInventors: Guoqing Wang, Lijun Zhang, Xianfeng Zhou, Junjie Liu, Zhiguo Du, Yonggang Zhang, Zhaobin Zhang, Cong Zhou
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Patent number: 10087333Abstract: The invention relates to a coating composition comprising: (a) 10% to 99.9% by weight of resin based on the total weight of the coating composition; and (b) 0.1% to 20% by weight of a formaldehyde scavenger based on the total weight of the coating composition, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature. The invention relates to use of a coating composition for removing free formaldehyde from the environment, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature.Type: GrantFiled: January 20, 2015Date of Patent: October 2, 2018Assignee: BASF SEInventors: Wolfgang Gaschler, Zhong Zeng, Akiko Tanabe, Zhaobin Zhang, Hexin Li, Cheng-Le Zhao
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Publication number: 20160340525Abstract: The invention relates to a coating composition comprising: (a) 10% to 99.9% by weight of resin based on the total weight of the coating composition; and (b) 0.1% to 20% by weight of a formaldehyde scavenger based on the total weight of the coating composition, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature. The invention relates to use of a coating composition for removing free formaldehyde from the environment, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature.Type: ApplicationFiled: January 20, 2015Publication date: November 24, 2016Applicant: BASF SEInventors: Wolfgang GASCHLER, Zhong ZENG, Akiko TANABE, Zhaobin ZHANG, Hexin LI, Cheng-Le ZHAO
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Patent number: 9359560Abstract: The present disclosure relates to a heat transfer tube and a cracking furnace using the heat transfer tube. The heat transfer tube comprises a twisted baffle arranged in an inner wall of the tube, said twisted baffle extending spirally along an axial direction of the heat transfer tube. The twisted baffle defines a closed circle viewed from an end of the heat transfer tube. Along the trajectory of the circle a casing is arranged, which is fixedly connected to a radial inner end of the twisted baffle. The twisted baffle is provided with a plurality of holes. The heat transfer tube according to the present disclosure has a good heat transfer effect and small pressure loss.Type: GrantFiled: October 29, 2013Date of Patent: June 7, 2016Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Guoqing Wang, Lijun Zhang, Xianfeng Zhou, Junjie Liu, Zhiguo Du, Yonggang Zhang, Zhaobin Zhang, Cong Zhou
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Patent number: 9024100Abstract: The present invention discloses a process for producing olefins from petroleum saturated hydrocarbons. The process of the present invention comprises: contacting a preheated petroleum saturated hydrocarbons feedstock with a dehydrogenation catalyst in a dehydrogenation reaction zone of a reaction system to obtain a petroleum hydrocarbon stream containing unsaturated hydrocarbon compounds, in which the dehydrogenation reaction has a conversion rate of at least 20%; and contacting the obtained petroleum hydrocarbon stream containing the unsaturated hydrocarbon compounds with olefins cracking catalyst in an olefin cracking zone of the reaction system to obtain a product stream containing olefins with a reduced number of carbon atoms.Type: GrantFiled: July 18, 2008Date of Patent: May 5, 2015Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Guoqing Wang, Zhaobin Zhang, Shuo Chen, Lijun Zhang
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Publication number: 20150114609Abstract: The present disclosure relates to a heat transfer tube and a racking furnace using the heat transfer tube. The heat transfer tube comprises a twisted baffle arranged in an inner wall of the tube, said twisted baffle extending spirally along an axial direction of the heat transfer tube. The twisted baffle is provided with a non-through gap extending along an axial direction of the heat transfer tube from an end to the other end of the twisted baffle. The heat transfer tube and cracking furnace according to the present disclosure have good heat transfer effects and small pressure loss.Type: ApplicationFiled: October 31, 2013Publication date: April 30, 2015Applicants: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORP, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Guoqing Wang, Lijun Zhang, Xianfeng Zhou, Junjie Liu, Zhiguo Du, Yonggang Zhang, Zhaobin Zhang, Cong Zhou
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Patent number: 8900522Abstract: The invention relates to an ethylene cracking furnace having a multi-pass radiant coil, comprising at least one radiant section. In the radiant section there are provided with bottom burners and/or sidewall burners, and at least one set of multi-pass radiant coil longitudinally arranged in the radiant section. The multi-pass radiant coil is a four- to ten-pass type radiant coil. At least one tube of the multi-pass radiant coil is arranged to be spatially adjacent to a tube which is not consecutive to said at least one tube. With this arrangement, the thermal radiation influence between tubes with high temperature can be reduced, so that the tubes with low temperature can absorb the radiation heat from the tubes with high temperature. Therefore, the surface temperature of the tubes with high temperature can be reduced, thus extending the lifetime of the radiant coil and the operational cycle of the cracking furnace.Type: GrantFiled: October 26, 2010Date of Patent: December 2, 2014Assignees: China Petroleum & Chemical Corporation, SINOPEC Engineering Incorporation, China Petroleum & Chemical Corporation, Beijing Institute of Chemical IndustryInventors: Xiou He, Changli Li, Zhaobin Zhang, Jingkun Liu, Mujun Yuan, Cong Zhou, Yuping Guo, Yonghua Zhao, HainĂ¼ Shen
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Publication number: 20140127091Abstract: The present disclosure relates to a heat transfer tube and a racking furnace using the heat transfer tube. The heat transfer tube comprises a twisted baffle arranged in an inner wall of the tube, said twisted baffle extending spirally along an axial direction of the heat transfer tube. The twisted baffle defines a closed circle viewed from an end of the heat transfer tube. Along the trajectory of the circle a casing is arranged, which is fixedly connected to a radial inner end of the twisted baffle. The twisted baffle is provided with a plurality of holes. The heat transfer tube according to the present disclosure has a good heat transfer effect and small pressure loss.Type: ApplicationFiled: October 29, 2013Publication date: May 8, 2014Applicant: CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Guoqing WANG, Lijun Zhang, Xianfeng Zhou, Junjie Liu, Zhiguo Du, Yonggang Zhang, Zhaobin Zhang, Cong Zhou
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Patent number: 8585890Abstract: This invention relates to a tubular cracking furnace, especially an ethylene cracking furnace, which comprises a convection section and a or dual radiant section(s), at least one heat transfer intensifying member arranged in at least one pass each radiant tube in said radiant section, said at least one heat transfer intensifying member comprises a first heat transfer intensifying member, which is arranged at a location between 10D and 25D upstream of the extreme point of said at least one pass radiant tube metal temperature, wherein D is the inner diameter of the radiant tube having heat transfer intensifying members. The present invention could achieve the best enhanced heat transfer result with given number of heat transfer intensifying member, by optimizing the locations of heat transfer intensifying members in the radiant tube.Type: GrantFiled: March 28, 2008Date of Patent: November 19, 2013Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Guoqing Wang, Lijun Zhang, Zhiguo Du, Shuo Chen, Zhaobin Zhang, Cong Zhou, Xianfeng Zhou
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Publication number: 20120219466Abstract: The invention relates to an ethylene cracking furnace having a multi-pass radiant coil, comprising at least one radiant section. In the radiant section there are provided with bottom burners and/or sidewall burners, and at least one set of multi-pass radiant coil longitudinally arranged in the radiant section. The multi-pass radiant coil is a four- to ten-pass type radiant coil. At least one tube of the multi-pass radiant coil is arranged to be spatially adjacent to a tube which is not consecutive to said at least one tube. With this arrangement, the thermal radiation influence between tubes with high temperature can be reduced, so that the tubes with low temperature can absorb the radiation heat from the tubes with high temperature. Therefore, the surface temperature of the tubes with high temperature can be reduced, thus extending the lifetime of the radiant coil and the operational cycle of the cracking furnace.Type: ApplicationFiled: October 26, 2010Publication date: August 30, 2012Applicants: China Petroleum & Chemical Corporation, China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry, SINOPEC Engineering IncorporationInventors: Xiou He, Changli li, Zhaobin Zhang, Jingkun Liu, Mujun Yuan, Cong Zhou, Yuping Guo, Yonghua Zhao, Hainu Shen
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Publication number: 20100274063Abstract: The present invention discloses a process for producing olefins from petroleum saturated hydrocarbons. The process of the present invention comprises: contacting a preheated petroleum saturated hydrocarbons feedstock with a dehydrogenation catalyst in a dehydrogenation reaction zone of a reaction system to obtain a petroleum hydrocarbon stream containing unsaturated hydrocarbon compounds, in which the dehydrogenation reaction has a conversion rate of at least 20%; and contacting the obtained petroleum hydrocarbon stream containing the unsaturated hydrocarbon compounds with olefins cracking catalyst in an olefin cracking zone of the reaction system to obtain a product stream containing olefins with a reduced number of carbon atoms.Type: ApplicationFiled: July 18, 2008Publication date: October 28, 2010Inventors: Guoqing Wang, Zhaobin Zhang, Shuo Chen, Lijun Zhang
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Publication number: 20100147672Abstract: This invention relates to a tubular cracking furnace, especially an ethylene cracking furnace, which comprises a convection section and a or dual radiant section(s), at least one heat transfer intensifying member arranged in at least one pass each radiant tube in said radiant section, said at least one heat transfer intensifying member comprises a first heat transfer intensifying member, which is arranged at a location between 10D and 25D upstream of the extreme point of said at least one pass radiant tube metal temperature, wherein D is the inner diameter of the radiant tube having heat transfer intensifying members. The present invention could achieve the best enhanced heat transfer result with given number of heat transfer intensifying member, by optimizing the locations of heat transfer intensifying members in the radiant tube.Type: ApplicationFiled: March 28, 2008Publication date: June 17, 2010Inventors: Guoqing Wang, Lijun Zhang, Zhiguo Du, Shuo Chen, Zhaobin Zhang, Cong Zhou, Xianfeng Zhou
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Publication number: 20090186399Abstract: A method of vanillin production from ferulic acid with a high concentration by biotransformation using a Streptomyces sp. strain is claimed in this invention. This strain is named as Streptomyces sp. V-1, which has been deposited in China Center for Type Culture Collection on Jul. 12, 2006 with the number of CCTCC M 206065. Using this strain, high concentration of vanillin fermentation broth is obtained from ferulic acid by biotransformation in GY biotransformation medium. With the addition of macroporous adsorbent resin DM11, the concentration of vanillin can be greatly improved. The advantage of this invention is less environmental pollution, high product concentration, less by-product, short processing cycle, low production cost, simple product extraction, clean production process, product environmental friendly, safe and reliable, which solves many difficulties in the vanillin production from botanical raw material extraction or chemical synthesis, and therefore it has good application prospect.Type: ApplicationFiled: June 25, 2007Publication date: July 23, 2009Inventors: Ping Xu, Dongliang Hua, Shan Lin, Lifu Song, Cuiqing Ma, Zhaobin Zhang, Yi Du, Hong Chen, Lin Gan, Zhonghao Wei, Yiyong Zeng
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Patent number: 7135105Abstract: The present invention provides a pyrolysis furnace with new type heat supply and a method of high temperature cracking using the same. The present invention employs top burners and bottom burners combined heat supply; the inlet of crossover section is connected from middle-upper portion of side wall of radiant section wall; and the present invention has the feature of uniform heat supply, high effectiveness, flexible and simple operation and control, and small investment, it is suitable for cracking reaction of hydrocarbons feedstock.Type: GrantFiled: September 19, 2002Date of Patent: November 14, 2006Assignees: China Petroleum & Chemical Corporation, Beijing Research Institutue of Chemical IndustryInventors: Qingquan Zeng, Guoqing Wang, Shixing Xu, Zhaobin Zhang
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Publication number: 20030070962Abstract: The present invention provides a pyrolysis furnace with new type radiant tubes arrangement and method of its operation and usage. The first pass tubes and second pass tubes of radiant tubes of pyrolysis furnace according to the present invention are located at two parallel planes respectively, the projection of second pass tube of radiant tubes in each group is corresponding to the center location of projection connecting line of two first pass tubes adjacent therewith. The present invention can also employ top burners and bottom burners; the inlet of crossover section is located at middle-upper portion of radiant section wall. The present invention has the feature of uniform heat conduction, high effectiveness, flexible and simple operation and control, and small investment, it is suitable for cracking reaction of hydrocarbons feedstock.Type: ApplicationFiled: September 19, 2002Publication date: April 17, 2003Inventors: Qingquan Zeng, Guoqing Wang, Shixing Xu, Zhaobin Zhang