Patents by Inventor Daqing TANG

Daqing TANG 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).

  • Device and method for determining solubility of elemental sulfur in sulfur-containing gas
    Patent number: 11255832
    Abstract: Disclosed are a device and a method for determining the solubility of elemental sulfur in a sulfur-containing gas. The device includes a displacement pump, a first sampler, a high-temperature box, a back-pressure pump, a control valve, an adsorption tank, a low-temperature box, a flow meter and a collection tank. An outlet of the displacement pump is in communication with an inlet of the first sampler; an outlet of the first sampler is in communication with a first inlet of the control valve; a second inlet of the control valve is in communication with an outlet of the back-pressure pump; an outlet of the control valve is in communication with a first opening of the adsorption tank; a second opening of the adsorption tank is in communication with the flow meter; and a third opening of the adsorption tank is in communication with the collection tank.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: February 22, 2022
    Assignees: PETROCHINA COMPANY LIMITED, SICHUAN KELITE OIL AND GAS TECHNOLOGY CO. LTD.
    Inventors: Li Wang, Zhao Ding, Fusen Xiao, Dihong Zhang, Daqing Tang, Jingyuan Chen, Ying Wan, Xuefeng Yang, Bo Kong, Tong Liu, Banghua Xie, Hua Zhou, Zhijin Pu
  • DEVICE AND METHOD FOR DETERMINING SOLUBILITY OF ELEMENTAL SULFUR IN SULFUR-CONTAINING GAS
    Publication number: 20200132647
    Abstract: Disclosed are a device and a method for determining the solubility of elemental sulfur in a sulfur-containing gas. The device includes a displacement pump, a first sampler, a high-temperature box, a back-pressure pump, a control valve, an adsorption tank, a low-temperature box, a flow meter and a collection tank. An outlet of the displacement pump is in communication with an inlet of the first sampler; an outlet of the first sampler is in communication with a first inlet of the control valve; a second inlet of the control valve is in communication with an outlet of the back-pressure pump; an outlet of the control valve is in communication with a first opening of the adsorption tank; a second opening of the adsorption tank is in communication with the flow meter; and a third opening of the adsorption tank is in communication with the collection tank.
    Type: Application
    Filed: May 25, 2018
    Publication date: April 30, 2020
    Applicants: PETROCHINA COMPANY LIMITED, SICHUAN KELITE OIL AND GAS TECHNOLOGY CO. LTD.
    Inventors: Li WANG, Zhao DING, Fusen XIAO, Dihong ZHANG, Daqing TANG, Jingyuan CHEN, Ying WAN, Xuefeng YANG, Bo KONG, Tong LIU, Banghua XIE, Hua ZHOU, Zhijin PU