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Shale gas desorption canister capable of regulation and control of desorption temperature and pressure

A shale gas, desorption technology, applied in the direction of analysis of materials, instruments, etc., to achieve scientific structure, timely and accurate measurement data, and ensure the effect of sealing

Inactive Publication Date: 2016-01-13
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of lack or deficiency in the pressure regulation function and temperature control regulation function of the desorption tank in the prior art, and provide a device that can be arbitrarily regulated in the range of 2-10MPa pressure and 0-500℃ temperature range. Shale gas desorption tank for desorption temperature and pressure

Method used

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  • Shale gas desorption canister capable of regulation and control of desorption temperature and pressure
  • Shale gas desorption canister capable of regulation and control of desorption temperature and pressure

Examples

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Embodiment 1

[0018] Embodiment 1: The present invention provides a shale gas desorption tank with adjustable desorption temperature and pressure. Its overall appearance and structure are as follows: figure 1 , 2 As shown, there are pressure regulating valve 1, quick plug joint 2, connection sleeve A3, connection sleeve B4, ball valve 5, desorption tank cover 6, bolts 7, nuts 8, wiring socket 9, desorption tank outer cylinder 10, crawler type Heating layer 11, inner cylinder 12, O-ring 13, pressure sensor 14, temperature sensor 15; the pressure regulating valve is installed on the desorption tank cover 6 through the connecting sleeve B4 and ball valve 5; the upper end of the pressure regulating valve 1 is provided with The valve nut 16, the air outlet end of the side of the pressure regulating valve 1 is connected with the quick plug joint 2 through the connecting sleeve A3; the lower end of the pressure regulating valve is connected to the ball valve 5 through the connecting sleeve B4; the...

Embodiment 2

[0020] Example 2: The shale gas desorption tank provided in Example 1, which can control the desorption temperature and pressure, was used to carry out field field shale gas desorption experiments.

[0021] The specific operation process is: clean the shale core just extracted and put it into the desorption tank; fill the desorption tank with saturated saline (if high temperature heating is required, put in heating oil); cover the desorption tank cover 6 , and tighten the four groups of bolts 7 and nuts 8 to tightly connect the desorption tank cover 6 with the desorption tank inner cylinder 12; adjust the valve nut 16 on the upper end of the pressure regulating valve 1, and turn clockwise to increase the pressure in the desorption tank, reverse Turn clockwise to reduce the pressure until it reaches the required pressure; connect the wiring socket 9 with an external power supply and a temperature controller to adjust the internal temperature of the desorption tank; connect the q...

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Abstract

The invention relates to a shale gas desorption canister capable of regulation and control of a desorption temperature and pressure. The shale gas desorption canister includes a pressure regulating valve, a quick plug connector, a connecting sleeve, a ball valve, a desorption canister cover, bolts, nuts, a wire connection socket, a desorption canister outer cylinder, an inner cylinder, a crawler type heating layer, an O-shaped ring, a temperature sensor and a pressure sensor. The desorption canister adopts the O-shaped ring for sealing and has good sealing pressure-maintaining performance; the pressure regulating value is used for regulating and controlling the pressure inside a canister body; the crawler type heating layer and the wire connection socket are arranged for being conveniently connected with an external controller for regulating and controlling the temperature in the canister; the temperature sensor and the pressure sensor are used for measuring the temperature and the pressure in the canister; the quick plug connector is convenient for gas measurement and collection. The shale gas desorption canister has the advantages of real-time adjustment and measurement of the pressure and the temperature, convenient operation, and safe and reliable use, provides a more scientific desorption canister for shale gas desorption experiments, and provides scientific data for shale gas loss gas evaluation algorithm researches and researches on dynamic equilibrium relationship of the desorption rate with the temperature and the pressure.

Description

technical field [0001] The present invention relates to a shale gas desorption tank capable of controlling the desorption temperature and pressure, in particular to a shale gas desorption tank capable of real-time control of the desorption temperature and desorption pressure according to the experimental requirements during the on-site desorption experiment of shale gas A desorption tank belongs to the technical field of unconventional energy exploration. Background technique [0002] The exploration and development of shale gas has made great progress in my country. The gas content of shale gas is a key parameter to evaluate the properties of shale gas and its resource reserves. As the core component of the measurement method, the tank's functional design directly affects the accuracy, usability and research value of the measurement results. A fully automatic shale gas content test analyzer is disclosed in Chinese invention patent ZL201410161478.2, which involves a desorpti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N7/14G01N7/16
Inventor 李波赵海侗张东霄张萌王锡霖范勇邱琳琳
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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