Patents by Inventor Jiajie LONG

Jiajie LONG 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).

  • Publication number: 20240143651
    Abstract: The present disclosure relates to the field of image definition recognition, and discloses a logging image definition recognition method and device, medium and electronic equipment. The method comprises: establishing a logging image sample library comprising a plurality of logging images; acquiring actual definition information corresponding to the respective logging images; acquiring a plurality of definitions corresponding to the respective logging images; determining target weights corresponding to the respective target image definition determination algorithms according to the plurality of definitions and the actual definition information corresponding to the respective logging images; and determining a definition of a target logging image by the respective target image definition determination algorithms and the target weights corresponding to the respective target image definition determination algorithms.
    Type: Application
    Filed: October 19, 2021
    Publication date: May 2, 2024
    Applicant: China Oilfield Services Ltd.
    Inventors: Lin Huang, Shusheng Guo, Zhenxue Hou, Chuan Fan, Danian Xu, Da Sheng, Wei Long, Guohua Zhang, Jiajie Cheng, Dong Li, Zhang Zhang, Lu Yin, Chaohua Zhang, Guibin Zhang
  • Patent number: 11608592
    Abstract: The invention discloses a waterless fiber dyeing method using supercritical carbon dioxide fluid as a medium. Dry fibers are tightly loaded layer by layer in a porous yarn cage. After dyeing, the fibers are cleaned to remove unfixed dyes by an online way, thereby obtaining waterless dyed dry fiber products with good quality. With the supercritical carbon dioxide dyed by a dye, the invention can not only solve the problems of high energy consumption, high discharge, high pollution in the traditional dyeing process, but also obtain better dyeing effect. The invention has a simple process and convenient operation, which can effectively realize dry dyeing processing. The reaction is mild, avoiding the use of a large amount of water, heat and additives in high concentration, which has the features of being high efficiency and environmentally friendly.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: March 21, 2023
    Assignees: SOOCHOW UNIVERSITY, SHANDONG GAOMIAN GROUP CO., LTD.
    Inventors: Jiajie Long, Chong Cai, Chao Gao, Wei Gao
  • Patent number: 11560669
    Abstract: The present invention relates to a waterless fiber dyeing method using a mixed fluid medium, in which supercritical carbon dioxide fluid medium is mixed with steam to form a mixed fluid medium, so that the waterless fiber dyeing effect to natural fibers is improved. The method of the invention can effectively modify the hydrophobic supercritical carbon dioxide fluid medium and improve the polarity thereof, thereby increasing the solubility of polar dye under the dyeing condition and simultaneously expanding the fiber. Thus, the present invention significantly improves the dyeability and dyeing behavior of the hydrophilic fibers in supercritical carbon dioxide fluids. The invention has the advantages of simple process, convenient operation and low energy consumption, and avoids consuming a large amount of water resources and discharging pollutants in the traditional process, and has the characteristics of environmentally friendly and high efficiency.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: January 24, 2023
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jiajie Long, Chong Cai
  • Patent number: 11193024
    Abstract: The invention discloses a special-purpose reactive disperse dye for waterless dyeing of natural fibers in supercritical CO2 fluid and an intermediate thereof. The reactive disperse dye has a longer alkane-chain bridging group between a chromophoric parent structure and an active group of the dye, which effectively promotes the donating-withdrawing effect on the electron cloud in the conjugated system, enhances the hyperchromic effect, effectively reduce the influence of the active group itself and its reaction on the dye coloring system, improves the color and stability against acid and alkali of the dye, and facilitate the improvement of the compatibility of the dye with supercritical fluid and the dyeing performance for natural fibers as well. The invention also discloses an intermediate of the reactive disperse dye, and a method for preparing the reactive disperse dye.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: December 7, 2021
    Assignees: SOOCHOW UNIVERSITY, JIANGSU DANMAO TEXTILE CO., LTD., NANTONG TEXTILE AND SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jiajie Long, Kai Yan, Dao Xu, Jinlin Yu
  • Publication number: 20210355632
    Abstract: The invention discloses a waterless fiber dyeing method using supercritical carbon dioxide fluid as medium. Dry fibers are tightly loaded layer by layer in a porous yarn cage. After dyeing, the fibers are cleaned to remove unfixed dyes by an online way, thereby obtaining waterless dyed dry fiber products with good quality. With the supercritical carbon dioxide dyed by a dye, the invention can not only solve the problems of high energy consumption, high discharge, high pollution in the traditional dyeing process, but also obtain better dyeing effect. The invention has a simple process and convenient operation, which can effectively realize dry dyeing processing. The reaction is mild, avoiding the use of a large amount of water, heat and additives in high concentration, which has the features of being high efficiency and environmentally friendly.
    Type: Application
    Filed: November 6, 2018
    Publication date: November 18, 2021
    Inventors: Jiajie LONG, Chong CAI, Chao GAO, Wei GAO
  • Publication number: 20210332245
    Abstract: The invention discloses a special-purpose reactive disperse dye for waterless dyeing of natural fibers in supercritical CO2 fluid and an intermediate thereof. The reactive disperse dye has a longer alkane-chain bridging group between a chromophoric parent structure and an active group of the dye, which effectively promotes the donating-withdrawing effect on the electron cloud in the conjugated system, enhances the hyperchromic effect, effectively reduce the influence of the active group itself and its reaction on the dye coloring system, improves the color and stability against acid and alkali of the dye, and facilitate the improvement of the compatibility of the dye with supercritical fluid and the dyeing performance for natural fibers as well. The invention also discloses an intermediate of the reactive disperse dye, and a method for preparing the reactive disperse dye.
    Type: Application
    Filed: November 23, 2018
    Publication date: October 28, 2021
    Inventors: Jiajie LONG, Kai YAN, Dao XU, Jinlin YU
  • Publication number: 20210324577
    Abstract: The present invention relates to a waterless fiber dyeing method using a mixed fluid medium, in which supercritical carbon dioxide fluid medium is mixed with steam to form a mixed fluid medium, so that the waterless fiber dyeing effect to natural fibers is improved. The method of the invention can effectively modify the hydrophobic supercritical carbon dioxide fluid medium and improve the polarity thereof, thereby increasing the solubility of polar dye under the dyeing condition and simultaneously expanding the fiber. Thus, the present invention significantly improves the dyeability and dyeing behavior of the hydrophilic fibers in supercritical carbon dioxide fluids. The invention has the advantages of simple process, convenient operation and low energy consumption, and avoids consuming a large amount of water resources and discharging pollutants in the traditional process, and has the characteristics of environmentally friendly and high efficiency.
    Type: Application
    Filed: October 25, 2018
    Publication date: October 21, 2021
    Inventors: Jiajie LONG, Chong CAI
  • Patent number: 10968553
    Abstract: The invention discloses a waterless fiber dyeing machine suitable for mixed fluid medium, including a dyeing tank, a carbon dioxide pressurizing system and a polar medium pressurizing system, a fiber loading system, a circulating dyeing system, a carbon dioxide recycling system, a polar medium separating and recycling system and an automatic unloading system. Since there are pressurizing systems and separating and recycling systems for carbon dioxide medium and polar medium, dyeing with the mixed fluid medium is realized in the waterless dyeing tank and the circulating dyeing system thereof; the hydrophobic carbon dioxide fluid medium is effectively modified, so that the dyeing performance and effect of the dye molecules on the hydrophilic natural fiber are improved. The fiber loading system and the unloading system can significantly improve the fiber loading efficiency, the discharging efficiency of the products.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: April 6, 2021
    Assignee: SOOCHOW UNIVERSITY
    Inventor: Jiajie Long
  • Publication number: 20200115836
    Abstract: The invention discloses a waterless fiber dyeing machine suitable for mixed fluid medium, including a dyeing tank, a carbon dioxide pressurizing system and a polar medium pressurizing system, a fiber loading system, a circulating dyeing system, a carbon dioxide recycling system, a polar medium separating and recycling system and an automatic unloading system. Since there are pressurizing systems and separating and recycling systems for carbon dioxide medium and polar medium, dyeing with the mixed fluid medium is realized in the waterless dyeing tank and the circulating dyeing system thereof; the hydrophobic carbon dioxide fluid medium is effectively modified, so that the dyeing performance and effect of the dye molecules on the hydrophilic natural fiber are improved. The fiber loading system and the unloading system can significantly improve the fiber loading efficiency, the discharging efficiency of the products.
    Type: Application
    Filed: October 25, 2018
    Publication date: April 16, 2020
    Inventor: Jiajie LONG
  • Patent number: 10344414
    Abstract: The invention relates to a separation, recycling and self-cleaning system of a supercritical fluid dyeing machine. The system includes a supercritical fluid medium reservoir, one or more parallel dyeing units, a high-pressure pump, a primary separator, a secondary separator and a membrane separator sequentially connected. A dyeing medium and residual dye in dyeing units can be efficiently separated and recycled simultaneously, and when the separation and recycling is finished, each dyeing unit can be directly opened so that the dyeing units and products can be cleaned after dyeing, thereby improving the production and processing efficiency of supercritical fluid waterless dyeing and achieving simple operations, complete separation, stability and reliability and a blowback self-cleaning.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: July 9, 2019
    Assignees: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, SOOCHOW UNIVERSITY
    Inventor: Jiajie Long
  • Patent number: 10294598
    Abstract: The invention relates to a multi-pipe quantitative medium filling system of a supercritical fluid waterless dyeing machine. The system comprises a supercritical fluid medium reservoir, a stop valve, and a medium filter sequentially connected by a high-pressure main pipe, and at least two filling branches independent of each other and connected to the medium filter. Each filling branch includes a booster pump, a supercritical fluid high-pressure mass flowmeter, a ball valve, and a dyeing unit sequentially connected along a medium forward direction by a high-pressure branch pipe.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: May 21, 2019
    Assignees: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, SOOCHOW UNIVERSITY
    Inventor: Jiajie Long
  • Patent number: 10294599
    Abstract: The invention discloses a mobile dyeing cup for supercritical fluid waterless dyeing and finishing. The dyeing cup achieves separate or simultaneous filling of the medium into multiple dyeing units, and simultaneous heating of the dyeing units for proofing processing. A medium outlet is provided at the lowest position of the bottom of the cup, and the inner surface of the dyeing cup is coated with polytetrafluoroethylene, to effectively reduce residual dye chemicals in the cup and improve the cleaning efficiency. The perforated baffle at the bottom of the cup effectively prevents a textile product from blocking the medium outlet during medium filling and outputting, so that the processing medium and residual dye chemicals can be smoothly discharged. Accordingly, defects of an existing fixed proofing device such as low utilization efficiency, complex cleaning and incapability of meeting the proofing requirements of commercial production are overcome.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: May 21, 2019
    Assignees: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, SOOCHOW UNIVERSITY, SIYANG ZHONGLIAN TEXTILE TECHNOLOGY CO., LTD.
    Inventors: Jiajie Long, Jianzhong Guo
  • Patent number: 10280542
    Abstract: The invention discloses a proofing dyeing cup for supercritical fluid waterless dyeing and finishing, which achieves separate or simultaneous filling of the medium into multiple dyeing units, and simultaneous heating of the dyeing units for proofing processing. Efficiency of proofing processing such as high-pressure supercritical fluid waterless dyeing and thus the utilization rate of the medium boosting and filling system and separation and recycling system are significantly improved, so that the proofing requirements of commercial production of textile waterless dyeing and finishing are met. Furthermore, dye chemicals at the bottom of the cup can be stirred to facilitate dissolution, and the dye chemicals at the bottom of the cup can be swept and cleaned. Thus, defects of an existing fixed supercritical fluid dyeing proofing device or an equipment system thereof, such as low utilization efficiency, complex cleaning and incapability of meeting the proofing requirements of commercial production, are overcome.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: May 7, 2019
    Assignees: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, SOOCHOW UNIVERSITY, SIYANG ZHONGLIAN TEXTILE TECHNOLOGY CO., LTD.
    Inventors: Jiajie Long, Jianzhong Guo
  • Publication number: 20180187355
    Abstract: The invention discloses a proofing dyeing cup for supercritical fluid waterless dyeing and finishing, which achieves separate or simultaneous filling of the medium into multiple dyeing units, and simultaneous heating of the dyeing units for proofing processing. Efficiency of proofing processing such as high-pressure supercritical fluid waterless dyeing and thus the utilization rate of the medium boosting and filling system and separation and recycling system are significantly improved, so that the proofing requirements of commercial production of textile waterless dyeing and finishing are met. Furthermore, dye chemicals at the bottom of the cup can be stirred to facilitate dissolution, and the dye chemicals at the bottom of the cup can be swept and cleaned. Thus, defects of an existing fixed supercritical fluid dyeing proofing device or an equipment system thereof, such as low utilization efficiency, complex cleaning and incapability of meeting the proofing requirements of commercial production, are overcome.
    Type: Application
    Filed: June 6, 2016
    Publication date: July 5, 2018
    Inventors: Jiajie LONG, Jianzhong GUO
  • Publication number: 20180119324
    Abstract: The invention relates to a separation, recycling and self-cleaning system of a supercritical fluid dyeing machine. The system includes a supercritical fluid medium reservoir, one or more parallel dyeing units, a high-pressure pump, a primary separator, a secondary separator and a membrane separator sequentially connected. A dyeing medium and residual dye in dyeing units can be efficiently separated and recycled simultaneously, and when the separation and recycling is finished, each dyeing unit can be directly opened so that the dyeing units and products can be cleaned after dyeing, thereby improving the production and processing efficiency of supercritical fluid waterless dyeing and achieving simple operations, complete separation, stability and reliability and a blowback self-cleaning.
    Type: Application
    Filed: June 8, 2016
    Publication date: May 3, 2018
    Inventor: Jiajie LONG
  • Patent number: 9958370
    Abstract: The invention provides a method for measuring the diffusion performance of an acid dye in a color paste, comprising preparing a primary paste and placing the primary paste into a transparent cylindrical container; adding a dye to the primary paste formulate a color paste, and flatly and uniformly paving a layer of the color paste on an upper surface of the primary paste; performing constant-temperature treatment at 60-95° C. on the cylindrical container, so that the dye in the color paste on the top of the blank primary paste in the cylindrical container diffuses downwards to the bottom of the cylinder; and sampling the primary paste from a sampling hole, and diluting the sampled primary paste with deionized water. The method of the invention has simple operation steps, reliable and safe experiments, highly stable test data and good reproducibility of results, and high temperature and high pressure are not required herein.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: May 1, 2018
    Assignee: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jiajie Long, Feng Chen
  • Publication number: 20180094374
    Abstract: The invention discloses a mobile dyeing cup for supercritical fluid waterless dyeing and finishing. The dyeing cup achieves separate or simultaneous filling of the medium into multiple dyeing units, and simultaneous heating of the dyeing units for proofing processing. A medium outlet is provided at the lowest position of the bottom of the cup, and the inner surface of the dyeing cup is coated with polytetrafluoroethylene, to effectively reduce residual dye chemicals in the cup and improve the cleaning efficiency. The perforated baffle at the bottom of the cup effectively prevents a textile product from blocking the medium outlet during medium filling and outputting, so that the processing medium and residual dye chemicals can be smoothly discharged. Accordingly, defects of an existing fixed proofing device such as low utilization efficiency, complex cleaning and incapability of meeting the proofing requirements of commercial production are overcome.
    Type: Application
    Filed: June 6, 2016
    Publication date: April 5, 2018
    Inventors: Jiajie LONG, Jianzhong GUO
  • Publication number: 20180094373
    Abstract: The invention relates to a multi-pipe quantitative medium filling system of a supercritical fluid waterless dyeing machine. The system comprises a supercritical fluid medium reservoir, a stop valve, and a medium filter sequentially connected by a high-pressure main pipe, and at least two filling branches independent of each other and connected to the medium filter. Each filling branch includes a booster pump, a supercritical fluid high-pressure mass flowmeter, a ball valve, and a dyeing unit sequentially connected along a medium forward direction by a high-pressure branch pipe.
    Type: Application
    Filed: June 8, 2016
    Publication date: April 5, 2018
    Inventor: Jiajie LONG
  • Patent number: 9926263
    Abstract: A solvent medium for diazotization reaction includes a mixed solution of polyethylene glycol and water. The molecular weight of polyethylene glycol is 200-600, and the volume ratio of polyethylene glycol and water is 1:0.4-1.5. The mixed solution also includes hydrochloric acid or sulfuric acid, and the concentration of H+ in the mixed solution is 0.32-1.72 mol L?1.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: March 27, 2018
    Assignee: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jiajie Long, Xiaochen Wei, Ming Shen
  • Patent number: 9920473
    Abstract: A device for color-fixing processing on textiles includes a supercritical carbon dioxide fluid unit, a fixing liquid storage tank (2) and a fixing reactor (9). The fixing liquid storage tank (2) is below the fixing reactor (9) and sealed connected by a connecting device (6). The fixing liquid storage tank (2) has a cylindrical cavity in which a fluid distributor (4) is mounted. The fluid distributor (4) is composed of several interconnected pipes which bend down with the nozzles downward, and one of the pipes is used as circulated fluid inlet (1) connected with the supercritical carbon dioxide fluid unit, and the rest of the pipes are used as circulated fluid outlets.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: March 20, 2018
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jiajie Long, Chuanglong Cui, Hongmei Xu, Xiaochen Wei, Feng Chen