CN219328678U - Coal sample tank with loading function - Google Patents
Coal sample tank with loading function Download PDFInfo
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- CN219328678U CN219328678U CN202320693578.4U CN202320693578U CN219328678U CN 219328678 U CN219328678 U CN 219328678U CN 202320693578 U CN202320693578 U CN 202320693578U CN 219328678 U CN219328678 U CN 219328678U
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- coal sample
- tank
- loading
- boss
- way pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The utility model discloses a coal sample tank with a loading function, which comprises a tank body and a tank cover, wherein the tank cover is detachably connected to the top of the tank body, the inner cavity of the tank body is a cylindrical cavity, a scale line is arranged on the inner cavity wall of the tank body, and the position of the scale line is the filling height of a coal sample; a cylindrical boss is arranged at the center of the bottom surface of the tank cover, a center shaft hole penetrating through the top surface of the tank cover is arranged at the center shaft position of the bottom surface of the boss, the top of the tank cover is connected with a three-way pipe, a first pipe end of the three-way pipe is connected with the top end of the center shaft hole, a second pipe end of the three-way pipe is connected with a pressure gauge, and a third pipe end of the three-way pipe is connected with a valve; the bottom surface of the boss and the top surface of the coal sample are sequentially provided with a loading piece and a gauze from top to bottom, and a circular through hole communicated with the center shaft hole is arranged at the center of the loading piece. The coal sample tank has the advantages of simple loading operation and good sealing effect, and meets the loading requirement of experiments on coal samples.
Description
Technical Field
The utility model relates to the technical field of coal sample tanks, in particular to a coal sample tank with a loading function.
Background
The gas desorption experiment is to test the adsorption constant, desorption speed and desorption index K of the coal sample 1 The important method of the diffusion coefficient, the gas desorption rule of the obtained coal sample is an important basis for gas extraction design. Conventionally, the desorption rule of a coal sample is tested, and the coal sample is usually placed in a coal sample tank, and the stress state of the coal sample is not considered, so that the accuracy of the desorption parameters of the coal sample is affected. When considering the stress state of the coal sample, an external loading mode (such as a press) is adopted, and in the loading process, a loading rod moves, so that high requirements on sealing are met, and sealing failure is easy to occur.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the coal sample tank with the loading function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a coal sample jar with loading function, includes jar body and cover, and the cover can dismantle the top of connecting at the jar body, jar body inner chamber is cylindrical cavity, has a scale mark on the inner chamber wall of jar body, and the scale mark is located the coal sample filling height; a cylindrical boss is arranged at the center of the bottom surface of the tank cover, a center shaft hole penetrating through the top surface of the tank cover is arranged at the center shaft position of the bottom surface of the boss, the top of the tank cover is connected with a three-way pipe, a first pipe end of the three-way pipe is connected with the top end of the center shaft hole, a second pipe end of the three-way pipe is connected with a pressure gauge, and a third pipe end of the three-way pipe is connected with a valve; the bottom surface of the boss and the top surface of the coal sample are sequentially provided with a loading piece and a gauze from top to bottom, and a circular through hole communicated with the center shaft hole is arranged at the center of the loading piece.
Further, four apex angles department of cover open respectively has the mounting hole, passes the screw hole threaded connection that the mounting hole corresponds with jar body top through the bolt.
Further, a circle of sealing ring is arranged on the top end face of the tank body.
Further, the diameter of the boss is 1/3-1/2 of the inner diameter of the tank body, and the height of the boss is the vertical distance from the upper end face of the tank body to the scale mark.
Further, the top end of the middle shaft hole is connected with the first pipe end of the three-way pipe through threads.
Further, the loading piece is a cylindrical stainless steel sheet, the diameter of the loading piece is 1-3 mm smaller than the inner diameter of the tank body, and the diameter of the round through hole on the loading piece is not more than 1mm.
Further, the gauze is a stainless steel gauze, the mesh number of the gauze is not less than 500 meshes, and the thickness of the gauze is not more than 0.5mm.
Compared with the prior art, the utility model has the following beneficial effects: according to the physical principle, the loading stress is converted into the thickness of a loading sheet, and the stress loading is realized by pressurizing and deforming the coal sample; the gauze is paved above the coal sample, so that the coal sample can be prevented from blocking the round through hole of the loading piece and the center shaft hole of the boss, and the inside of the coal sample tank is ensured to be communicated with the outside. The coal sample tank has the advantages of simple loading operation and good sealing effect, and meets the loading requirement of experiments on coal samples.
Drawings
The utility model is described in further detail below with reference to the drawings and detailed description;
FIG. 1 is a schematic illustration of an unloaded coal sample (unloaded sheet) of the present utility model;
FIG. 2 is a schematic representation of an unloaded coal sample (loaded slide) of the present utility model.
Detailed Description
As shown in fig. 1-2, the coal sample tank with the loading function comprises a tank body 5 and a tank cover 2, wherein the tank cover 2 is detachably connected to the top of the tank body 5, specifically, four top corners of the tank cover 2 are respectively provided with mounting holes, bolts 3 penetrate through the mounting holes to be in threaded connection with corresponding threaded holes in the top of the tank body 5, and further, the top end face of the tank body 5 is provided with a circle of sealing rings 6 so as to improve the sealing effect.
The inner cavity of the tank body 5 is a cylindrical cavity, a scale line is arranged on the inner cavity wall of the tank body 5, and the position of the scale line is the filling height of the coal sample 4; the center of the bottom surface of the tank cover 2 is provided with a cylindrical boss, the diameter of the boss is 1/3-1/2 of the inner diameter of the tank body 5, the height of the boss is the vertical distance from the upper end surface of the tank body 5 to the scale marks, and the center shaft of the bottom surface of the boss is provided with a center shaft hole penetrating through the top surface of the tank cover 2.
The top of the tank cover 2 is connected with a three-way pipe 1, a first pipe end of the three-way pipe 1 is connected with the top end of the middle shaft hole through threads, a second pipe end of the three-way pipe 1 is connected with a pressure gauge 8, and a third pipe end of the three-way pipe 1 is connected with a valve 7; a loading piece 9 and a gauze (not shown in the figure) are sequentially arranged between the bottom surface of the boss and the top surface of the coal sample 4 from top to bottom, and a circular through hole communicated with the center shaft hole is arranged at the center position of the loading piece 9.
The loading piece 9 is a cylindrical stainless steel sheet, the diameter of the loading piece 9 is 1-3 mm smaller than the inner diameter of the tank body 5, and the height of the loading piece 9 has specifications of 2mm, 3mm, 5mm, 10mm, 15mm, 20mm and the like; the diameter of the round through hole on the loading piece 9 is not more than 1mm.
The gauze is stainless steel gauze, the mesh number of the gauze is not less than 500 meshes, and the thickness of the gauze is not more than 0.5mm.
The application method of the utility model comprises the following steps:
(1) The elastic modulus E of the coal sample 4 is tested in a laboratory through a conventional mechanical experiment;
(2) Calculating the deformation quantity delta h required by loading the stress of the coal sample 4 according to Hooke's law sigma=Eepsilon and a strain formula epsilon= delta h/h;
(3) Selecting a loading sheet 9 with a proper thickness, wherein the sum of the thicknesses of the selected loading sheets 9 (the gauze is neglected due to the very thin thickness) is equal to Deltah;
(4) Pouring the coal sample 4 into a coal sample tank, stopping sample feeding when the height of the coal sample 4 reaches the scale mark of the inner cavity of the coal sample tank, and sequentially placing a gauze and a loading sheet 9 above the coal sample 4;
(5) Installing a tank cover 2, and sealing the coal sample tank by using a bolt 3; and then carrying out experiments according to the experimental requirements.
The practice of the utility model is described above with reference to the accompanying drawings, but the utility model is not limited to the specific embodiments described above, which are intended to be illustrative rather than limiting, and it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The utility model provides a coal sample jar with loading function, includes jar body and cover, and the cover can dismantle the top of connecting at the jar body, jar body inner chamber is cylindrical cavity, has a scale mark on the inner chamber wall of jar body, and the scale mark is located the coal sample filling height; the method is characterized in that: a cylindrical boss is arranged at the center of the bottom surface of the tank cover, a center shaft hole penetrating through the top surface of the tank cover is arranged at the center shaft position of the bottom surface of the boss, the top of the tank cover is connected with a three-way pipe, a first pipe end of the three-way pipe is connected with the top end of the center shaft hole, a second pipe end of the three-way pipe is connected with a pressure gauge, and a third pipe end of the three-way pipe is connected with a valve; the bottom surface of the boss and the top surface of the coal sample are sequentially provided with a loading piece and a gauze from top to bottom, and a circular through hole communicated with the center shaft hole is arranged at the center of the loading piece.
2. The coal sample tank with loading function according to claim 1, wherein: four apex angles of cover open respectively has the mounting hole, passes the threaded hole threaded connection that the mounting hole corresponds with jar body top through the bolt.
3. The coal sample tank with loading function according to claim 1, wherein: the top end face of the tank body is provided with a circle of sealing ring.
4. The coal sample tank with loading function according to claim 1, wherein: the diameter of the boss is 1/3-1/2 of the inner diameter of the tank body, and the height of the boss is the vertical distance from the upper end face of the tank body to the scale marks.
5. The coal sample tank with loading function according to claim 1, wherein: the top end of the middle shaft hole is connected with the first pipe end of the three-way pipe through threads.
6. The coal sample tank with loading function according to claim 1, wherein: the loading piece is a cylindrical stainless steel sheet, the diameter of the loading piece is 1-3 mm smaller than the inner diameter of the tank body, and the diameter of the round through hole on the loading piece is not more than 1mm.
7. The coal sample tank with loading function according to claim 1, wherein: the gauze is stainless steel gauze, the mesh number of the gauze is not less than 500 meshes, and the thickness of the gauze is not more than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320693578.4U CN219328678U (en) | 2023-03-31 | 2023-03-31 | Coal sample tank with loading function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320693578.4U CN219328678U (en) | 2023-03-31 | 2023-03-31 | Coal sample tank with loading function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219328678U true CN219328678U (en) | 2023-07-11 |
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ID=87067693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320693578.4U Active CN219328678U (en) | 2023-03-31 | 2023-03-31 | Coal sample tank with loading function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219328678U (en) |
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2023
- 2023-03-31 CN CN202320693578.4U patent/CN219328678U/en active Active
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