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CN-115901537-B - Portable shale gas desorption observation and automatic measurement device

CN115901537BCN 115901537 BCN115901537 BCN 115901537BCN-115901537-B

Abstract

The present invention discloses a portable shale gas desorption observation and automatic measurement device, which includes a gas guide tube, a pressure valve, a sealing structure, a fixed seat, and an observation mirror. The gas guide tube runs through the upper end of the sealing structure, the pressure valve is installed on the upper end of the sealing structure, the observation mirror is clamped on the inner side of the sealing structure, and the lower end of the sealing structure is embedded in the upper end of the fixed seat. The present invention observes the gas desorption inside the sealing structure through the observation mirror. The shale stones placed on the surface of the upper end of the elastic structure are controlled to vibrate by the vibration device at the upper end of the fixed plate, thereby exerting force on the middle and lower ends of the elastic structure, flipping the shale stones on the surface of the elastic structure, and avoiding the accumulation and obstruction of gas desorption of shale stones. In the closed gas desorption tank, gas pressure produces a bending effect Pressure, At the same time, apply force to the middle and lower ends of the compression structure to create a movable space for the gas pressure inside the gas release tank, preventing the measurement of gas volume while the internal pressure is too high.

Inventors

  • ZHANG LI
  • XU HUI
  • WANG YANJUN
  • WANG WENQIANG
  • ZHENG ZHEN
  • HUANG LILI

Assignees

  • 江苏地质矿产设计研究院(中国煤炭地质总局检测中心)

Dates

Publication Date
20260505
Application Date
20221208

Claims (5)

  1. 1. The portable shale gas desorption observation and automatic measurement device is characterized by comprising an air guiding pipe (1), a pressure valve (2), a sealing structure (3), a fixed seat (4) and an observation mirror (5), wherein the air guiding pipe (1) penetrates through the upper end of the sealing structure (3), the pressure valve (2) is arranged at the upper end of the sealing structure (3), the observation mirror (5) is clamped on the inner side of the side surface of the sealing structure (3), and the lower end of the sealing structure (3) is embedded and fixed at the upper end of the fixed seat (4); the sealing structure (3) comprises an air stripping tank (31), an elastic structure (32), a fixing plate (33) and an air pressure structure (34), wherein the air pressure structure (34) is arranged in the middle of the upper end of the air stripping tank (31) and is connected with the pressure valve (2), the fixing plate (33) is clamped at the lower end of the inner side of the air stripping tank (31), the elastic structure (32) is arranged at the upper end of the fixing plate (33), a vibrating device is arranged at the upper part of the fixing plate (33), the air pressure structure (34) and the elastic structure (32) are located on the same central axis, and the lower end of the air stripping tank (31) is embedded and fixed at the upper end of the fixing seat (4); the elastic structure (32) comprises a guide structure (321), rubber blocks (322), bending plates (323) and a stress block (324), wherein the guide structure (321) is arranged on the upper portion of the fixed plate (33), the stress block (324) and the guide structure (321) are located on the same central axis, the stress block (324) is connected with the vibration device and controlled by the vibration device to move up and down, the rubber blocks (322) and the bending plates (323) are arranged at intervals in a staggered mode, the rubber blocks (322) are attached to the side faces of the bending plates (323), and the rubber blocks (322) and the bending plates (323) are embedded and fixed between the guide structure (321) and the stress block (324); The air pressure structure (34) comprises an inductor (w 1), a supporting plate (w 2), a compression structure (w 3) and a bending structure (w 4), wherein the supporting plate (w 2) is arranged in the middle of the upper end of the pyrolysis tank (31), the supporting plate (w 2) is two supporting plates which are oppositely arranged, the inductor (w 1) is embedded and fixed on the inner side of the upper part of the supporting plate (w 2), the bending structure (w 4) is arranged on the inner side of the lower end of the supporting plate (w 2), the upper end of the compression structure (w 3) is embedded and fixed at the lower end of the inductor (w 1), and the lower end of the compression structure is in clearance fit with the upper end of the bending structure (w 4); The guide structure (321) comprises a movable plate (a 1), an extrusion structure (a 2) and a connecting plate (a 3), wherein the extrusion structure (a 2) is positioned between the movable plate (a 1) and the connecting plate (a 3), the outer side of the extrusion structure (a 2) is attached to the inner side of the connecting plate (a 3), and the rubber block (322) is embedded and fixed at the lower end of the movable plate (a 1).
  2. 2. The portable shale gas desorption observing and automatic measuring device according to claim 1, wherein the extrusion structure (a 2) comprises a rubber sleeve (a 21), a magnetic block (a 22) and a spring (a 23), two ends of the spring (a 23) are embedded and fixed inside the rubber sleeve (a 21), the magnetic block (a 22) is clamped inside the rubber sleeve (a 21) and positioned at two ends of the spring (a 23), the magnetic block (a 22) is made of two magnetic materials with different magnetism, so that mutual adsorption force is achieved between the two magnetic materials, and the outer side of the rubber sleeve (a 21) is attached to the inner side of the connecting plate (a 3).
  3. 3. The portable shale gas desorption observing and automatic measuring device according to claim 1, wherein the bending structure (w 4) comprises a supporting block (w 41), a deformation sleeve (w 42) and a connecting rod (w 43), the deformation sleeve (w 42) is of a hollow structure, the supporting block (w 41) is attached to the inside of the deformation sleeve (w 42), the connecting rod (w 43) is clamped inside the left end and the right end of the deformation sleeve (w 42), and the end parts of the connecting rod (w 43) are connected with the inner sides of the lower ends of the supporting plates (w 2).
  4. 4. The portable shale gas desorption observing and automatic measuring device according to claim 1, wherein the compression structure (w 3) comprises a pressure block (w 31), an elastic plate (w 32) and a supporting ring (w 33), the elastic plate (w 32) is installed between the pressure block (w 31) and the supporting ring (w 33), and the supporting ring (w 33) is embedded and fixed at the lower end of the sensor (w 1).
  5. 5. The portable shale gas desorption observing and automatic measuring device according to claim 4, wherein the pressure block (w 31) is made of rubber.

Description

Portable shale gas desorption observation and automatic measurement device Technical Field The invention relates to the field of portable measuring devices, in particular to a portable shale gas desorption observing and automatic measuring device. Background Shale gas is mainly characterized in shale in two modes of adsorption gas and free gas. The problem of exploration and selection of shale gas is widely focused, particularly the problem of gas content, which is not only an important parameter for shale gas resource evaluation, but also a key parameter for development index calculation and prediction. In the prior art, the portable shale gas desorption observation and automatic measurement device has the effects of easy carrying and automatic measurement, measures the humidity and the temperature in the air, and detects the content of the device, thereby calculating the variable of shale gas desorption. The shale stone contains natural gas, the natural gas can form the gaseous state and float in the air when exposing in the air, the shale stone of bulk is piled up each other easily in the measurement process to lead to the shale stone of bottom to be angry to be solved the effect unobvious, the natural gas that shale gas was solved the production is in under the sealed environment simultaneously, directly forms the numerical value according to the pressure size when measuring pressure, and the space is limited in the gas solution jar of certain volume, thereby inside forms the high atmospheric pressure easily, appears great reaction force easily after releasing gas, produces the destruction to the instrument in the gas solution jar easily, can not satisfy the user demand. Disclosure of Invention In order to solve the technical problems, the portable shale gas desorption observing and automatic measuring device comprises an air bleed pipe, a pressure valve, a sealing structure, a fixed seat and an observation mirror, wherein the air bleed pipe penetrates through the upper end of the sealing structure, the pressure valve is arranged at the upper end of the sealing structure, the observation mirror is clamped on the inner side of the side surface of the sealing structure, and the lower end of the sealing structure is embedded and fixed at the upper end of the fixed seat; The sealing structure comprises an air stripping tank, an elastic structure, a fixing plate and an air pressure structure, wherein the air pressure structure is arranged in the middle of the upper end of the air stripping tank and is connected with a pressure valve, the fixing plate is clamped at the lower end of the inner side of the air stripping tank, the elastic structure is arranged at the upper end of the fixing plate, a vibrating device is arranged on the upper portion of the fixing plate, the air pressure structure and the elastic structure are located on the same central axis, and the lower end of the air stripping tank is fixedly embedded at the upper end of the fixing seat. Preferably, the elastic structure comprises a guide structure, rubber blocks, bending plates and a stress block, the guide structure is arranged on the upper portion of the fixed plate, the stress block and the guide structure are located on the same central axis, the stress block is connected with the vibrating device and is controlled to move up and down by the vibrating device, the rubber blocks and the bending plates are arranged at intervals in a staggered mode, the rubber blocks are attached to the side faces of the bending plates, and the rubber blocks and the bending plates are embedded and fixed between the guide structure and the stress block. Preferably, the bending plate is made of rubber material easy to bend, and the rubber block is made of aluminum alloy material easy to bend and deform. Preferably, the guide structure comprises a movable plate, an extrusion structure and a connecting plate, wherein the extrusion structure is positioned between the movable plate and the connecting plate, the outer side of the extrusion structure is attached to the inner side of the connecting plate, and the rubber block is embedded and fixed at the lower end of the movable plate. Preferably, the extrusion structure comprises a rubber sleeve, magnetic blocks and springs, wherein two ends of each spring are embedded and fixed on the inner side of the rubber sleeve, the magnetic blocks are clamped inside the rubber sleeve and located at two ends of each spring, the magnetic blocks are made of two different magnetic materials, so that mutual adsorption force exists between the magnetic blocks, and the outer sides of the rubber sleeves are attached to the inner sides of the connecting plates. Preferably, the air pressure structure comprises an inductor, a supporting plate, a compression structure and a bending structure, wherein the supporting plate is arranged in the middle of the upper end of the pyrolysis tank, the supporting plate is two supporting plates which a