CN110308070A - A kind of gas diffusion chamber using 3D printing - Google Patents
A kind of gas diffusion chamber using 3D printing Download PDFInfo
- Publication number
- CN110308070A CN110308070A CN201910527829.XA CN201910527829A CN110308070A CN 110308070 A CN110308070 A CN 110308070A CN 201910527829 A CN201910527829 A CN 201910527829A CN 110308070 A CN110308070 A CN 110308070A
- Authority
- CN
- China
- Prior art keywords
- soil sample
- printing
- enclosure
- gas diffusion
- interface
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N2015/0007—Investigating dispersion of gas
- G01N2015/0015—Investigating dispersion of gas in solids
Abstract
The present invention discloses a kind of gas diffusion chamber using 3D printing, the gas diffusion chamber includes the resin enclosure and soil sample container of integral type 3D printing, the resin enclosure top is provided with enclosure interface, the soil sample lower vessel portion is provided with the lower vessel portion interface being sleeved on outside the enclosure interface, the top of the soil sample container is provided with Turbogrid plates, lower part is provided with gas permeable barrier, the side of the resin enclosure is provided with air inlet, the other side is provided with gas outlet, and the aperture for passing through sensor line is provided on the resin enclosure.The present invention has effectively evaded Bonding Problem, so that this kind of diffuser casing has airtightness well, increases the reliability of test result, being capable of easy, efficient, accurate measurement gas diffusion coefficient in the soil body.
Description
Technical field:
The present invention relates to a kind of gas diffusion chamber using 3D printing, can be used for testing the gas diffusivity of the soil body, belong to soil
The technical field of wood and environmental project.
Background technique:
With the aggravation of municipal pollution, burying method has been widely used in the processing of various pollutants.In engineering usually
Engineering earthing is covered above landfill yard, is prevented the polluted gas of lower part to be diffused into surrounding enviroment, is avoided making the environment on periphery
At pollution and damage.The gas diffusivity of engineering earthing is generally used to assess its ability for obstructing polluted gas, and existing
Test equipment be mostly spliced, and be double gas chamber instruments, not only construction is complicated, but also it is existing to be inevitably present gas leakage
As causing test result wrong.Therefore, it is necessary to invent a kind of dress of the gas diffusivity of effective test soil body
It sets.
The reason of influencing gas leakage in test process, is existing patented technology, such as CN103674799A,
CN107085091A, CN201594065U etc. are spliced instruments, can inevitably result in gas in the spelling interface of instrument
Body leakage, to influence measuring accuracy.
Summary of the invention:
The purpose of the present invention is providing a kind of gas diffusion chamber using 3D printing in view of the above problems, effectively evade
Bonding Problem increases the reliability of test result so that this kind of diffuser casing has airtightness well, can be easy, high
Effect, accurate measurement gas diffusion coefficient in the soil body.
Above-mentioned purpose of the invention can be achieved through the following technical solutions:
A kind of gas diffusion chamber using 3D printing, resin enclosure and soil sample container including integral type 3D printing, the resin
Shell upper is provided with enclosure interface, and the soil sample lower vessel portion is provided with the lower vessel portion being sleeved on outside the enclosure interface
Interface, the top of the soil sample container are provided with Turbogrid plates, and lower part is provided with gas permeable barrier, the side setting of the resin enclosure
There is air inlet, the other side is provided with gas outlet, and the aperture for passing through sensor line is provided on the resin enclosure.
The gas diffusion chamber using 3D printing, the cross section by resin enclosure and soil sample container is cylinder
Shape.
It is provided at the gas diffusion chamber using 3D printing, the air inlet and the gas outlet and cooperates with valve
Screw thread.
The gas diffusion chamber using 3D printing passes through between the enclosure interface and the lower vessel portion interface
It is threadedly coupled.
The utility model has the advantages that
The present invention guarantees that gas enters vertically into the diffusion that single direction is carried out in the test soil body, and the construction of entire instrument is more simple
It is single.In addition, the instrument is made of 3D printing, entire instrument is only divided into shell and two parts of soil sample container, greatly reduces
Joints；Due to the characteristic of 3D printing controllable precise, the coupling part of two parts has high matching degree, to ensure that
The leakproofness of experimentation；Gas permeable barrier allows soil sample that can still support soil sample after dehydration shrinkage.Finally, the ruler of soil sample container
It is very little identical as standard cutting ring, it cutting ring sample can be used to be directly placed into, it is convenient and reliable to guarantee prepared by sample.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of resin enclosure of the invention.
Fig. 3 is the structural schematic diagram of soil sample container of the invention.
Fig. 4 is the top view of soil sample container of the invention.
Figure label explanation: 1, resin enclosure；2, soil sample container；3, gas permeable barrier；4, enclosure interface；5, under soil sample container
Portion's interface；6, air inlet；7, gas outlet；8, aperture；9, flase floor.
Specific embodiment:
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Instrument due to measuring gas diffusion coefficient in the soil body in the prior art is divided into following several forms: soil sample mostly
It is vertical to place, so that gas level passes through soil sample；Instrument is complex, is split as multiple portions, each section connector poor air-tightness,
Cause measuring accuracy low.Therefore, the invention proposes a kind of gas diffusion chamber using 3D printing, can measure gas in the soil body
The diffusion coefficient of middle vertical direction.
The present invention includes resin enclosure 1 and soil sample container 2 using the gas diffusion chamber of 3D printing, as shown in Figure 1.In order to keep away
It can be compacted when exempting from boundary effect and pressure-like uniformly, resin enclosure and soil sample container are set as round.
Resin enclosure 1 is the cylinder housing that opening is arranged at top, and top opening has enclosure interface 4, is connected with soil sample container.
There are air inlet 6 and air inlet 7 around resin enclosure 1.Wherein, air inlet 6 and air inlet 7 are reserved with screw thread, can be with valve phase
Match and guarantees air-tightness.It is illustrated in figure 2 resin enclosure 1.
Flase floor 9 is arranged for placing test soil sample side in soil sample container 2, and interface is arranged in side.Soil sample container 2 and resin
Shell 1 is connected, and lower interface 5 and the cover top portion interface 4 of soil sample container match.Due to 3D printing strict control interface
Size, so that the connection of soil sample container joint 5 and enclosure interface 4 has very high matching degree, it is ensured that instrument is during the test
With good leakproofness.It is illustrated in figure 3 soil sample container 2.
The flase floor 9 of soil sample container, effect is protected to soil sample, prevents native slag from falling, while allowing in soil sample
Lower both ends gas is spread.
Soil sample container joint 5 and enclosure interface 4 are mentioned for connecting soil sample container and shell, and for the setting of gas permeable barrier 3
For space.
Notable difference occurs for soil sample dehydration and initial aqueous rate when testing in order to prevent, or even because dehydration shrinkage generates crack
Diffusion coefficient is caused not to be inconsistent with actual condition.Humidifier is used in test, controls the moisture content of soil sample.
Edge soil sample is not uniform enough when soil sample sample preparation in order to prevent, has an impact to whole diffusion coefficient.On the top of shell 1
Baffle 3 is arranged in portion, thus the negligible non-uniform soil sample in edge.In addition, after the presence of baffle 3 prevents soil sample from slight dehydration occurs
It shrinks and slides to shell 1, boundary gas leak phenomenon caused by effectivelying prevent the soil body to shrink.
Aperture 8 is arranged in 1 side wall of shell, passes through for sensor line, and the aperture after route passes through is sealed using hot melt adhesive,
Guarantee the leakproofness of instrument.
In the instrument, the cross dimensions of soil sample container joint 5 and cover top portion interface 4 is held according to resin enclosure 1 and soil sample
Depending on the cross dimensions of device 2, the cross dimensions of resin enclosure 1 and soil sample container 2 is depending on the cross dimensions of soil sample.Soil sample is held
The height of device 2 is depending on the height of soil sample.
The instrument when in use, should be according to placing vertically shown in Fig. 1.Specific steps are as follows: say that soil sample, which is first packed into soil sample, holds
In device 2；Then soil sample container 2 and shell 3 are linked together by interface 4 and interface 5, so as to complete soil sample container 2 with
The connection of shell 3, soil sample container 2 will just be fully sealed with shell 3 at this time, and soil sample will be supported by gas permeable barrier；Again by valve
Door is fully open, and pure nitrogen gas is passed through in resin-case；Finally after sensor registration is stablized, valve is all closed；Pass through
Sensor test soil sample gas diffusivity, i.e., the oxygen content in resin-case with time change rule, in addition,
Humidifier should be cooperated during test, guarantee that the moisture content of soil sample can be held essentially constant.
The instrument guarantees that gas enters vertically into the diffusion that single direction is carried out in the test soil body, and the construction of entire instrument compared with
It is simple.In addition, the instrument is made of 3D printing, entire instrument is only divided into shell 1 and 2 two parts of soil sample container, significantly
Reduce joints；Due to the characteristic of 3D printing controllable precise, the coupling part of two parts has high matching degree, thus
It ensure that the leakproofness of experimentation；Ring-shaped baffle allows soil sample that can still support soil sample after dehydration shrinkage.Finally, soil sample is held
The size of device is identical with cutting ring, and cutting ring sample can be used to be directly placed into, and ensure that prepared sample is more convenient reliable.
Above-mentioned is that this can be understood and applied for the ease of those skilled in the art to the description of embodiment
Invention.Those skilled in the art obviously easily can make various modifications, and described herein one to these embodiments
As principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to embodiment here,
Those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in this hairs
Within bright protection scope.
Claims (4)
1. a kind of gas diffusion chamber using 3D printing, which is characterized in that the gas diffusion chamber includes the tree of integral type 3D printing
Rouge shell and soil sample container, the resin enclosure top are provided with enclosure interface, and the soil sample lower vessel portion, which is provided with, to be sleeved on
The top of lower vessel portion interface outside the enclosure interface, the soil sample container is provided with Turbogrid plates, and lower part is provided with ventilative
Baffle, the side of the resin enclosure are provided with air inlet, and the other side is provided with gas outlet, is arranged on the resin enclosure useful
In the aperture for passing through sensor line.
2. the gas diffusion chamber according to claim 1 using 3D printing, which is characterized in that described by resin enclosure and soil
The cross section of sample container is cylinder.
3. the gas diffusion chamber according to claim 1 using 3D printing, which is characterized in that the air inlet and it is described go out
The screw thread with valve cooperation is provided at port.
4. the gas diffusion chamber according to claim 1 using 3D printing, which is characterized in that the enclosure interface with it is described
Lower vessel portion interface between be connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527829.XA CN110308070A (en) | 2019-06-18 | 2019-06-18 | A kind of gas diffusion chamber using 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527829.XA CN110308070A (en) | 2019-06-18 | 2019-06-18 | A kind of gas diffusion chamber using 3D printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110308070A true CN110308070A (en) | 2019-10-08 |
Family
ID=68076162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910527829.XA Pending CN110308070A (en) | 2019-06-18 | 2019-06-18 | A kind of gas diffusion chamber using 3D printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110308070A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063700A (en) * | 2021-03-12 | 2021-07-02 | 中国石油大学(华东) | Humidity-controllable gas diffusion experimental device and method |
| CN114414457A (en) * | 2022-01-17 | 2022-04-29 | 四川轻化工大学 | Soil body gas diffusion coefficient measuring device used in environmental rock field |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20060357A0 (en) * | 2006-02-23 | 2006-04-12 | Picodeon Ltd Oy | Element |
| CN104191624A (en) * | 2014-08-29 | 2014-12-10 | 北京智谷技术服务有限公司 | Auxiliary control method for 3D printing and auxiliary control device for 3D printing |
| CN104614855A (en) * | 2015-01-06 | 2015-05-13 | 京东方科技集团股份有限公司 | Light path adjustment unit and display device |
| CN206223598U (en) * | 2016-11-30 | 2017-06-06 | 安徽理工大学 | A kind of easy soil gas diffusivity and gas conductivity determine device |
-
2019
- 2019-06-18 CN CN201910527829.XA patent/CN110308070A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20060357A0 (en) * | 2006-02-23 | 2006-04-12 | Picodeon Ltd Oy | Element |
| CN104191624A (en) * | 2014-08-29 | 2014-12-10 | 北京智谷技术服务有限公司 | Auxiliary control method for 3D printing and auxiliary control device for 3D printing |
| CN104614855A (en) * | 2015-01-06 | 2015-05-13 | 京东方科技集团股份有限公司 | Light path adjustment unit and display device |
| CN206223598U (en) * | 2016-11-30 | 2017-06-06 | 安徽理工大学 | A kind of easy soil gas diffusivity and gas conductivity determine device |
Non-Patent Citations (1)
| Title |
|---|
| 陈继民: "《3D打印技术基础教程》", 31 January 2016, 国防工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063700A (en) * | 2021-03-12 | 2021-07-02 | 中国石油大学(华东) | Humidity-controllable gas diffusion experimental device and method |
| CN114414457A (en) * | 2022-01-17 | 2022-04-29 | 四川轻化工大学 | Soil body gas diffusion coefficient measuring device used in environmental rock field |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |