Patent ID: 11927576
Assignee: nan
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A compact rock pyrolytic analysis and evaluation instrument, comprising a sample introduction system, a pyrolytic furnace, a bypass system, a total hydrocarbon amount and a methane content analysis system, a signal acquisition control system and a computer, wherein the sample introduction system comprises a sample introduction rod assembly, a cylinder assembly and a crucible, the sample introduction rod assembly comprises a sample introduction rod and a sliding block, the crucible is installed at an upper end of the sample introduction rod and the cylinder assembly comprises a cylinder pedestal and a cylinder installed on the cylinder pedestal, the cylinder assembly is coupled to the sample introduction rod assembly, the sliding block and the cylinder pedestal are connected to a bottom plate, wherein the crucible is configured to place a rock sample to be further carried by the sample introduction rod into the pyrolytic furnace for analysis;
the pyrolytic furnace comprises a furnace tube installed on a pyrolytic furnace pedestal, an upper part of the furnace tube is welded with a base of the total hydrocarbon amount and methane content analysis system and connected with a thread structure, the pyrolytic furnace pedestal is fixed with the bottom plate, wherein the pyrolytic furnace is configured to heat the rock sample at high temperatures for rapid cracking of the sample to extract volatile gas and cracked gas from the sample;
the bypass system is a stainless steel structure comprising a disc structure arranged at an upper part, a top part of the stainless steel structure is an internal thread structure connected with a nozzle, a lower part of the stainless steel structure is an external thread structure connected with an outlet of the pyrolytic furnace and stainless steel pipes comprising a combustion-supporting gas path, a fuel gas path and a sample gas bypass gas path are welded with the base of the total hydrocarbon amount analysis system; and
the total hydrocarbon amount and methane content analysis system comprises a total hydrocarbon amount analysis system and a methane content analysis system, the total hydrocarbon amount analysis system comprises the base, the nozzle, a polarization pole probe arm and a collector pole probe arm, wherein the nozzle is mounted to the base through a fastening nut, the polarization pole probe arm and the collector pole probe arm are mounted on a detection tower body, the detection tower body is mounted on the pyrolytic furnace through a tower top plate assembly, the polarization pole probe arm and the collector pole probe arm are in control connection with the signal acquisition control system, and the methane content analysis system comprises a tunable diode laser absorption spectroscopy (TDLAS) methane gas concentration detector;
wherein the pyrolytic furnace is respectively connected with the sample introduction system and the bypass system, the total hydrocarbon amount and methane content analysis system is connected with the bypass system; the signal acquisition control system is used for controlling and connecting the total hydrocarbon amount and methane content analysis system, and the signal acquisition control system is communicated with the computer.