Autoclave for high pressure thermal simulation experiment and high pressure thermal simulation experimental method
A technology of thermal simulation and autoclave, applied in the direction of material inspection products, etc., can solve the problem of inconsistent temperature between the upper and lower parts of the autoclave, and achieve the effect of ensuring the sealing effect
Inactive Publication Date: 2008-07-30
GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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Problems solved by technology
In order to solve the problem of inconsistent temperature between the upper and lower parts of the autoclave, the designer of the present application improved the existing autoclave and proposed an experimental scheme suitable for the work of the autoclave, which can solve the above problems well
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[0020] Referring to shown in Fig. 1, the autoclave used for high-pressure thermal simulation experiment of the present invention comprises kettle body 1, sealing cone 2, cone pressure cap 3, liquid inlet pipe 4 and pipe pressure cap 5, in kettle body 1 There is a one-way open tubular cavity 11; the tapered part of the sealing cone 2 is arranged on the opening side of the tubular cavity 11, and the sealing cone 2 passes through the cone pressure cap 3 arranged on the periphery of the sealing cone 2 It is crimped and sealed with the opening of the tubular cavity 11, and the cone pressure cap 3 is threadedly connected with the kettle body 1; the liquid inlet pipe 4 passes through the sealing cone 2 and communicates with the tubular cavity 11, and is connected to the rear of the sealing cone 2 The pipe pressure cap 5 is fixed, and a drum-shaped sealing ring 6 is arranged between the sealing cone 2 and the pipe pressure cap 5. Tighten the pipe pressure cap 5, so that the drum-shaped...
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The invention discloses a high-pressure autoclave used for a high-pressure thermal simulation experiment and a high-pressure thermal simulation experiment method, and belongs to the technical field of the petroleum geochemistry experiment. The high-pressure autoclave has the technical key point that the outer surface of the autoclave body is provided with a plurality of annular grooves, an tubular cavity of the autoclave body is provided with at least one ceramic stick, the outside diameter of which is little smaller than the inside diameter of the tubular cavity. The experiment method includes the steps that: (1) a standard sample is used for measuring the correcting temperature with different rates of temperature rise; (2) three golden tubes packaged with samples are arranged inside the autoclave body in sequence, then the ceramic stick is put in to ensure that the autoclave body is positioned inside a heating furnace chamber and a screw sealed part is positioned outside a heating furnace body, heating experiment begins under the setting rate of temperature rise according to a conventional method; (3) a gas yield curve is obtained and the temperature correction is performed; (4) data through the temperature correction is processed to obtain a nascent hydrocarbon dynamical parameter. The invention is used for the high-pressure thermal simulation experiment.
Description
technical field [0001] The invention relates to a device for petroleum geochemical experiments, more specifically, it relates to an autoclave used for high-pressure thermal simulation experiments, and also relates to a method for using the autoclave to perform high-pressure thermal simulation experiments. Background technique [0002] In petroleum geochemical experiments, it is necessary to encapsulate the rock sample in a gold tube, and then put the gold tube containing the sample into a high-pressure vessel (hereinafter referred to as an autoclave), and inject high-pressure water into the autoclave through a pipeline, and the high-pressure water A flexible gold tube is crushed to apply pressure to the sample. The autoclave with the gold tube is placed in an electric furnace for heating. Because the top of the autoclave is sealed with a thread with a cone at the bottom, when the pressure is not high, the whole part of the thread seal can be heated in an electric furnace, s...
Claims
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IPC IPC(8): G01N33/28
Inventor 刘金钟
Owner GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI