CN104502397B - A kind of visualization coal sample tank being used under high pressure low temperature environment and its application method - Google Patents
A kind of visualization coal sample tank being used under high pressure low temperature environment and its application method Download PDFInfo
- Publication number
- CN104502397B CN104502397B CN201410855664.6A CN201410855664A CN104502397B CN 104502397 B CN104502397 B CN 104502397B CN 201410855664 A CN201410855664 A CN 201410855664A CN 104502397 B CN104502397 B CN 104502397B
- Authority
- CN
- China
- Prior art keywords
- coal sample
- tank
- low temperature
- high pressure
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to a kind of visualization coal sample tank being used under high pressure low temperature environment and its application method, the coal sample tank includes tank body and cover, thermometric pressure tap, high-definition camera, high pressure resistant, low temperature resistant transparent cylinder, hollow cuboid and cylinder fixed body are set thereon, it can observe the phase-state change of gas under certain condition using high-definition camera, the high-definition camera surrounding of the present invention carries intensity adjustable light compensating lamp, aid in high-definition camera by high pressure resistant and low temperature resistant transparent column, the change of gas phase in tank is observed on computers.The present invention compensate for the deficiency of traditional non-visualization coal sample tank, researcher can be facilitated to observe gas in tank and, in the certain pressure process that phase is mutually converted with a temperature of, more preferable means of testing and method are provided to study the generation of characterization of adsorption and Gas Hydrate of gas.
Description
Technical field
A kind of visualization coal sample tank involved in the present invention and its application method, can be used in R＆D institution and universities and colleges, to see
When examining the characteristic of change, particularly learning gas of the tank intrabody object in certain pressure with a temperature of, under the conditions of high pressure low temperature
When reaching the phase-state change point of gas, observable gas is turned under certain temperature, certain pressure from gas phase to liquid phase or solid phase
The process of change.
Background technology
The Gas Outburst as caused by coal-bed gas and blast are to endanger one of source of safety of coal mines, with mining depth
Increase, the environmental effect of gas becomes increasingly complex, characterization of adsorption and its water of the research gas in coal body under various environmental effects
The formation characteristic of compound, the clean and effective of gas problem and gas to solution Safety of Coal Mine Production, which is utilized, very important meaning
Justice.
Temperature drops to less than -161.5 DEG C and can just liquefied under methane gas normal pressure, warm if increase pressure is to 4.59MPa
Degree drops to -82.6 DEG C, can also liquefy, therefore in the research of high pressure low temperature is carried out to methane gas, if pressure and temperature reaches
To the transformation temperature of gas, if can intuitively observe that gas is become the dynamic process of liquid phase or solid phase by gas phase, we are grasped
The phase transition temperature and pressure of methane gas, and related gas absorption and Gas Hydrate generation research have it is very big
Help.
It is the characteristic research that sample is carried out using traditional completely enclosed tank body at this stage in R＆D institution and universities and colleges,
Such as Publication No. CN203148927U, a kind of entitled coal sample tank and Publication No. CN202710542U, denomination of invention
, can only be by the change of pressure gauge or pressure sensor indirect reaction pressure inside the tank, it is impossible to straight for the Chinese patent of coal sample tank
The observation phase-state change process of gas in the sample under high pressure low temperature.
The content of the invention
The present invention is ensureing that tank body is high pressure resistant, resistance to low to solve the deficiency of existing traditional non-visual coal sample tank
On the premise of temperature, increase by a transparent plastic cylinder in lateral opening hole, the change of sample in tank is observed using high-definition camera.Although
High-definition camera can only observe the situation of change of sample surfaces gas, but because in sample the situation of change of gas be it is homogeneous,
Therefore its overall situation of change is also represent, this problem is solved well.
To achieve the above object, the present invention is adopted the following technical scheme that：A kind of visualization being used under high pressure low temperature environment
Coal sample tank, it includes tank body and cover, it is characterised in that wherein, and tank body is internally provided with coal sample chamber body, one of tank body
It is provided with side and is shaped as hollow cuboid, and the circular hole that the hollow space of the cuboid gradually reduces for diameter, according to
Secondary is one-level Circularhole diameter, two grades of Circularhole diameters, three-level Circularhole diameters；The hollow space is internally provided with transparent cylinder,
And the diameter of the transparent cylinder is less than two grades of Circularhole diameters so that both contact closely, the transparent cylinder bottom
Portion has a diameter to be less than the transparent cylinder ledge that the three-level Circularhole diameter, thickness are more than three-level circular hole thickness, so that
The transparent cylinder is in contact with the three-level circular hole by O-ring；Cylinder is provided with the outside of the transparent cylinder to fix
Body, the cylinder fixes outer diameter and is less than hollow one-level diameter, and surrounding is screw thread, the interior diameter of the cylinder fixed body with
Transparent column diameter is identical, and cylinder fixed body bottom is in sealing contact by O-ring and the hollow cuboid；In the cover
Portion is provided with annular groove, and the width of the annular groove and the tank body consistency of thickness, and the both sides of annular groove are respectively provided with screw thread,
There are two O-rings inside the annular groove of the cover, so that the cover and the tank body are in sealing contact, in the middle part of the cover
It is taper to be provided with the top of pressure tap and thermometer hole, and the pressure tap and thermometer hole, the pressure tap external connection pressure
Sensor, temperature sensor is directly fixed in thermometer hole by hollow special plug sealing and measures temperature in tank；It is described transparent
High-definition camera is provided with the outside of cylinder.
Further, preferably, the both sides of the cylinder fixed body are respectively provided with circular neck, tightening tool stretches into the circle
Cylinder fixed body is tightened on the hollow cuboid in shape neck.
Further, preferably, the both sides of the cover are respectively provided with circular neck, tightening tool stretches into the circular neck
It is interior that cover is tightened on the tank body.
Further, it is stainless steel preferably, the material of the cylinder fixed body is as tank body, cover material
Make.
Further, preferably, the pressure tap is into and out stomata, the temperature sensor directly passes through hollow special silk
Stifled sealing is fixed on the temperature in measurement tank body in thermometer hole.
Further, preferably, the size of the coal sample chamber body is high 100mm, interior diameter is 50mm.
Further, preferably, the high-definition camera is fixedly installed by camera bracket, and the camera bracket
The inside of the stationary cylinder is arranged on, can freely be moved forward and backward.
Further, preferably, the transparent cylinder is high pressure resistant, low temperature resistant transparent cylinder.
In addition, present invention also offers it is a kind of be used for high pressure low temperature environment under visualization coal sample tank application method, its
It is characterised by, it comprises the following steps：
(1) O-ring and transparent cylinder are put into the hollow cuboid of the side of tank body in order first, then will
Cylinder fixed body is screwed into by specific purpose tool by circular neck in hollow cuboid；
(2) and then by the cover open, coal sample needed for experiment is loaded in the coal sample chamber body, special tool is then used
Tool tightens coal sample cover by circular neck, and ensures that the O-ring in cover annular groove makes coal sample tank top seal air tight；
Hollow pipeline is inserted in pressure tap, and the pipeline passes through hollow special plug, makes the plug and pressure tap week
Enclose to be threadedly coupled, to ensure that pressure tap is air tight, the pressure sensor in the pipeline external connection is passed by the pressure
Sensor measures the pressure in the coal sample chamber body, and the pipeline is also inflatable and deflatable pipeline；Pass through silk in the thermometer hole
Stifled connection temperature sensor, and temperature sensor and pressure sensor are connected to computer by data wire, pass through computer
To show the real-time change of pressure and temperature；
(3) after the installation is complete, under the premise of loading coal sample and ensureing that coal sample tank is gastight, it is filled with into coal sample tank
Experimental gas is placed in the insulating box of setting experimental temperature to required pressure, and by coal sample tank；
(4) high-definition camera, is opened, suitable position is placed it in using camera bracket, regulation surrounding light compensating lamp
Brightness makes its imaging clearly become clear, and when phase-state change occurs for gas in tank, high-definition camera can be by picture concerned and image
Data logging is in computer.
The beneficial effects of the present invention are, the present invention solves the deficiency of existing traditional non-visual coal sample tank,
Ensure that tank body is high pressure resistant, on the premise of low temperature, increase by a transparent plastic cylinder in lateral opening hole, utilize high-definition camera observation tank
The change of interior sample.Although high-definition camera can only observe the situation of change of sample surfaces gas, because gas in sample
Situation of change is homogeneous, therefore also represent its overall situation of change.
Brief description of the drawings
Fig. 1 is a kind of sectional view of visualization coal sample tank being used under high pressure low temperature environment of the present invention；
Fig. 2 is that a kind of structure of the transparent cylinder of visualization coal sample tank being used under high pressure low temperature environment of the present invention is shown
It is intended to；
Fig. 3 is hollow cuboid and the fixation of a kind of visualization coal sample tank being used under high pressure low temperature environment of the present invention
Side view after cylinder installation；
Fig. 4 is hollow cuboid and the fixation of a kind of visualization coal sample tank being used under high pressure low temperature environment of the present invention
Schematic three dimensional views after cylinder installation；
Wherein, the circular neck of 1- tank bodies, 2- coal sample chambers body, 3- covers, 4- pressure taps, 5- thermometer holes, 6,10-, 7-O types
Circle, the hollow cuboids of 8-, 9- transparent cylinders, 11- cylinders fixed body, 12- high-definition cameras, 13- camera brackets, 14-
Transparent cylinder ledge, 15- one-levels Circularhole diameter, bis- grades of Circularhole diameters of 16-, 17- three-level Circularhole diameters.
Embodiment
Come to carry out the present invention detailed description below in conjunction with accompanying drawing.It should be appreciated, however, that accompanying drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As Figure 1-4, the invention provides a kind of visualization coal sample tank being used under high pressure low temperature environment, it includes tank
Body 1 and cover 3, wherein, being internally provided with coal sample chamber body 2, a side of tank body 1 of tank body 1, which be provided with, to be shaped as
Empty cuboid 8, and the hollow space of hollow cuboid 8 is circular hole that diameter gradually reduces, be followed successively by one-level Circularhole diameter 15,
Two grades of Circularhole diameters 16, three-level Circularhole diameters 17；Hollow space is internally provided with transparent cylinder 9, and transparent cylinder 9 is straight
Footpath is less than two grades of Circularhole diameters 16 so that both contact closely, and the bottom of transparent cylinder 9 has a diameter to be less than three-level Circularhole diameter
17th, thickness is more than the transparent cylinder ledge 14 of the thickness of three-level Circularhole diameter 17, so that transparent cylinder 9 is justified with three-level
Bore dia 17 is in contact by O-ring；The outside of transparent cylinder 9 is provided with cylinder fixed body 11, the overall diameter of cylinder fixed body 11
Less than the one-level diameter of hollow cuboid, and surrounding is screw thread, interior diameter and the diameter phase of transparent column 9 of cylinder fixed body 11
Together, the bottom of cylinder fixed body 11 is in sealing contact by O-ring and hollow cuboid 8；Cover 3 is internally provided with annular groove, and
The width of annular groove and the consistency of thickness of tank body 1, and the both sides of annular groove are respectively provided with screw thread, have two inside the annular groove of cover 3
Individual O-ring 7, so that cover 3 and tank body 1 are in sealing contact, the middle part of cover 3 is provided with pressure tap 4 and thermometer hole 5, and pressure tap 4 and survey
The top in warm hole 5 is taper, and the external connection pressure sensor of pressure tap 4, temperature sensor directly passes through hollow special plug
The temperature of measurement tank interior in thermometer hole 5；The outside of transparent cylinder 9 is provided with high-definition camera 12.
In the present embodiment, the both sides of cylinder fixed body 11 are respectively provided with circular neck 10, and tightening tool stretches into the circle
Cylinder fixed body 11 is tightened on hollow cuboid 8 in neck 10.The both sides of cover 3 are respectively provided with circular neck 6, twist
Clamping tool, which is stretched into, is tightened to cover 3 on tank body 1 in circular neck 6.The material of cylinder fixed body 11 and tank body 1, cover 3
Material is the same, is that stainless steel makes.Pressure tap 4 is into and out stomata, and temperature sensor is directly sealed by hollow special plug
It is fixed on the temperature in the internal measurement tank body of thermometer hole 5.The size of coal sample chamber body 2 is high 100mm, and interior diameter is 50mm.It is high
Clear camera 12 is fixedly installed by camera bracket 13, and camera bracket 13 is arranged on the inside of cylinder fixed body 11.
In addition, present invention also offers it is a kind of be used for high pressure low temperature environment under visualization coal sample tank application method, its
Comprise the following steps：
(1) O-ring and transparent cylinder 9 are put into the hollow cuboid 8 of the side of tank body 1 in order first, connect
And be screwed into cylinder fixed body 11 in hollow cuboid by circular neck 10 by specific purpose tool；
(2) and then by cover 3 open, coal sample needed for experiment is loaded in coal sample chamber body 2, then passed through with specific purpose tool
Circular neck 6 tightens coal sample cover 3, and ensures that the O-ring 7 in cover annular groove makes coal sample tank top seal air tight；Surveying
Hollow pipeline is inserted in pressure hole 4, and pipeline passes through hollow special plug, makes to be threadedly coupled around plug and pressure tap 4,
To ensure that pressure tap is air tight, the pressure sensor in pipeline external connection is measured in coal sample chamber body 2 by pressure sensor
Pressure, the pipeline is also inflatable and deflatable pipeline；Temperature sensor is connected by plug in thermometer hole 5, and temperature is passed
Sensor and pressure sensor are connected to computer by data wire, and the real-time change of pressure and temperature is shown by computer；
(3) after the installation is complete, under the premise of loading coal sample and ensureing that coal sample tank is gastight, it is filled with into coal sample tank
Experimental gas is placed in the insulating box of setting experimental temperature to required pressure, and by coal sample tank；
(4) high-definition camera 12 is opened, suitable position is placed it in using camera bracket 13, surrounding light compensating lamp is adjusted
Brightness its imaging clearly is become clear, when phase-state change occurs for gas in tank, high-definition camera 12 can by picture concerned and
Image data is recorded in computer.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (9)
1. a kind of visualization coal sample tank being used under high pressure low temperature environment, it includes tank body and cover, it is characterised in that wherein,
Being internally provided with to be provided with coal sample chamber body, a side of tank body of tank body is shaped as hollow cuboid, and it is described in
The hollow space of empty cuboid is the circular hole that diameter gradually reduces, and is followed successively by one-level Circularhole diameter, two grades of Circularhole diameters, three-levels
Circularhole diameter；The hollow space is internally provided with transparent cylinder, and the diameter of the transparent cylinder is less than described two grades
Circularhole diameter so that both contact closely, the transparent cylinder bottom has a diameter to be less than the three-level Circularhole diameter, thickness
More than the transparent cylinder ledge of the thickness of three-level Circularhole diameter, so that the transparent cylinder and the three-level circular hole are straight
Footpath is in contact by O-ring；Cylinder fixed body is provided with the outside of the transparent cylinder, the cylinder is fixed outer diameter and is less than
Hollow one-level diameter, and surrounding is screw thread, the interior diameter of the cylinder fixed body is identical with transparent column diameter, cylinder fixed body
Bottom is in sealing contact by O-ring and the hollow cuboid；The cover is internally provided with annular groove, and the annular groove
Width and the tank body consistency of thickness, the both sides of annular groove are respectively provided with screw thread, there is two O inside the annular groove of the cover
Type circle, so that the cover and the tank body are in sealing contact, pressure tap and thermometer hole, the pressure tap are provided with the middle part of the cover
Be taper at the top of thermometer hole, the pressure tap external connection pressure sensor, temperature sensor directly passes through hollow spy
Throwing is blocked up sealing and is fixed in thermometer hole；High-definition camera is provided with the outside of the transparent cylinder.
2. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
The both sides of cylinder fixed body are respectively provided with circular neck, and tightening tool stretches into the circular neck cylinder fixed body tightening fixation
On the hollow cuboid.
3. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
The both sides of cover are respectively provided with circular neck, and tightening tool stretches into the circular neck cover being tightened to the tank body
On.
4. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
The material of cylinder fixed body is that stainless steel makes as tank body, cover material.
5. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
Pressure tap is into and out stomata, and the temperature sensor directly measures the temperature in tank body by hollow special plug.
6. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
The size of coal sample chamber body is high 100mm, and interior diameter is 50mm.
7. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
High-definition camera is fixedly installed by camera bracket, and the camera bracket is arranged on the inside of the cylinder fixed body,
Front and rear it can move freely.
8. a kind of visualization coal sample tank being used under high pressure low temperature environment according to claim 1, it is characterised in that described
Transparent cylinder is high pressure resistant, low temperature resistant transparent cylinder.
9. a kind of use of visualization coal sample tank being used under high pressure low temperature environment according to claim 1-8 any one
Method, it is characterised in that it comprises the following steps：
(1) O-ring and transparent cylinder are put into the hollow cuboid of the side of tank body in order first, then by cylinder
Fixed body is screwed into by specific purpose tool by circular neck in hollow cuboid；
(2) and then by the cover open, coal sample needed for experiment is loaded in the coal sample chamber body, it is then logical with specific purpose tool
Cross circular neck and tighten coal sample cover, and ensure that the O-ring in cover annular groove makes coal sample tank top seal air tight；In pressure measurement
Insert hollow pipeline in hole, and the pipeline passes through hollow special plug, make be around the plug and the pressure tap
Threaded connection, to ensure that pressure tap is air tight, the pressure sensor in the pipeline external connection passes through the pressure sensor
The pressure in the coal sample chamber body is measured, the pipeline is also inflatable and deflatable pipeline；Connected in the thermometer hole by plug
Jointing temp sensor, and temperature sensor and pressure sensor are connected to computer by data wire, shown by computer
Show the real-time change of pressure and temperature；
(3) after the installation is complete, under the premise of loading coal sample and ensureing that coal sample tank is gastight, experiment is filled with into coal sample tank
Gas is placed in the insulating box of setting experimental temperature to required pressure, and by coal sample tank；
(4) high-definition camera is opened, suitable position is placed it in using camera bracket, the brightness of regulation surrounding light compensating lamp makes
Its imaging clearly becomes clear, when phase-state change occurs for gas in tank, and high-definition camera can remember picture concerned and image data
Record is in computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855664.6A CN104502397B (en) | 2014-12-31 | 2014-12-31 | A kind of visualization coal sample tank being used under high pressure low temperature environment and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855664.6A CN104502397B (en) | 2014-12-31 | 2014-12-31 | A kind of visualization coal sample tank being used under high pressure low temperature environment and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104502397A CN104502397A (en) | 2015-04-08 |
| CN104502397B true CN104502397B (en) | 2017-07-21 |
Family
ID=52943812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410855664.6A Active CN104502397B (en) | 2014-12-31 | 2014-12-31 | A kind of visualization coal sample tank being used under high pressure low temperature environment and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104502397B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195873A (en) * | 2017-12-26 | 2018-06-22 | 黑龙江科技大学 | A kind of visualization coal sample tank and its application method under high pressure low temperature environment |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54131519A (en) * | 1978-04-04 | 1979-10-12 | Nippon Steel Corp | Ore quality judgement and blast furnace operation |
| JPS5828656A (en) * | 1981-08-14 | 1983-02-19 | Kazuo Makino | Measuring apparatus of differential heat, differential pressure and viscosity at the same time |
| JPS6180037A (en) * | 1984-09-28 | 1986-04-23 | Mitsubishi Heavy Ind Ltd | High temperature and high pressure reaction tank in high temperature and high pressure solubility measuring apparatus |
| CN2342369Y (en) * | 1998-09-16 | 1999-10-06 | 中国科学院金属研究所 | High pressure, high temperature phase change test equipment |
| CN2633414Y (en) * | 2003-04-01 | 2004-08-18 | 中国地质大学（武汉） | Reactor for natural gas hydrate complex test |
| CN2786607Y (en) * | 2005-03-30 | 2006-06-07 | 宝山钢铁股份有限公司 | Coal gas on line automatic sampling equipment |
| CN2912774Y (en) * | 2006-03-27 | 2007-06-20 | 董琪 | Waste gas treatment and heat-reclaiming device |
| CN201348645Y (en) * | 2008-11-17 | 2009-11-18 | 北京卫星环境工程研究所 | Plasma test system for glass fiber reinforced plastic vacuum container |
| CN201640276U (en) * | 2009-12-11 | 2010-11-24 | 徐建国 | Multipurpose gas baking oven |
| CN201717550U (en) * | 2010-07-16 | 2011-01-19 | 长园电力技术有限公司 | Gas tank type switch cubicle with grounded visible window |
| CN102426215B (en) * | 2011-09-15 | 2014-04-16 | 西北工业大学 | Solid propellant crack expansion testing apparatus |
| CN202384689U (en) * | 2011-12-20 | 2012-08-15 | 青岛特锐德电气股份有限公司 | Observation window structure of insolated fracture |
| CN103033528B (en) * | 2012-12-12 | 2014-10-01 | 天津商业大学 | Visual device for viewing simultaneous phase change of refrigerants on both sides of heat exchange inner tube |
| CN103972812A (en) * | 2013-01-31 | 2014-08-06 | 西门子公司 | Gas chamber observation mechanism |
| CN203308946U (en) * | 2013-06-14 | 2013-11-27 | 申科滑动轴承股份有限公司 | Novel venting detachable sight window |
| CN203377532U (en) * | 2013-07-23 | 2014-01-01 | 江苏宝胜电气股份有限公司 | Inflation sealing air chamber casing provided with visual window |
| CN203851355U (en) * | 2014-04-14 | 2014-09-24 | 中国科学院工程热物理研究所 | Gas discharge plasma generating device with pressure and temperature adjustable |
| CN203869812U (en) * | 2014-04-15 | 2014-10-08 | 吴江市赛纳电子科技有限公司 | Apparatus for detecting water leakage of water meter |
| CN203925137U (en) * | 2014-06-25 | 2014-11-05 | 浙江恒森实业集团有限公司 | A kind of dual meter valve sealing window assembly |
| CN204330640U (en) * | 2014-12-31 | 2015-05-13 | 河南理工大学 | A kind of for the visual coal sample tank under high pressure low temperature environment |
-
2014
- 2014-12-31 CN CN201410855664.6A patent/CN104502397B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104502397A (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210221866U (en) | Visual experimental device for sediment structure change | |
| CN104502397B (en) | A kind of visualization coal sample tank being used under high pressure low temperature environment and its application method | |
| CN103175741B (en) | Device and the test method of steel bar stretching test under a kind of ultra-low temperature surroundings | |
| WO2021082224A1 (en) | Natural gas hydrate mineral fracturing experiment device | |
| CN107345894A (en) | Hemocyanin | |
| CN204330640U (en) | A kind of for the visual coal sample tank under high pressure low temperature environment | |
| CN106525602B (en) | One kind being used for the stretchable dynamic sealing device of high temperature and high pressure environment | |
| CN204730989U (en) | Sealing propertytest system | |
| CN205091281U (en) | Nonmetal high -pressure rock core holder | |
| CN114034623A (en) | Stress-seepage coupling evolution visualization system under action of non-uniform load | |
| CN206889895U (en) | A kind of safty shield of chemical pipeline | |
| CN206695957U (en) | Detection cartridge device for high-tension cable corrugated aluminum sheath air-tight test | |
| CN101819174B (en) | Device for measuring spontaneous potential of rocks | |
| CN110441286B (en) | Gas hydrate pressure maintaining and replacing device and method for in-situ Raman analysis | |
| CN107907369A (en) | A kind of deep-sea pressurize organic matter sampler | |
| CN201796133U (en) | Magnetic resonance imaging clamper | |
| CN210863451U (en) | Visual compression chamber for researching penetration rule of drilling and completion fluid | |
| CN207131980U (en) | A kind of Novel sealing ring | |
| CR20190041U (en) | ANAEROBIO BIORREACTOR | |
| CN106813953B (en) | A kind of gas-filtering device maintained easily | |
| CN207689459U (en) | Separated gas detector | |
| CN206846316U (en) | A kind of oil-gas pipeline corrosion lacing film suspension arrangement | |
| CN205876260U (en) | Pipe type cable seals head | |
| CN206671191U (en) | A kind of free radical detection means | |
| CN209085829U (en) | A kind of mounting structure of pressure transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Jianping Inventor after: Wen Zhihui Inventor after: Zhao Yanxia Inventor after: Liu Yong Inventor after: Wang Dengke Inventor after: Li Bo Inventor after: Zhang Hongtu Inventor after: Dai Shaohua Inventor before: Wei Jianping Inventor before: Wen Zhihui Inventor before: Liu Yong Inventor before: Wang Dengke Inventor before: Li Bo Inventor before: Dai Shaohua Inventor before: Zhang Hongtu |
|
| GR01 | Patent grant |