CN102519770A - Method and device for preparing coal sample used for nuclear magnetic resonance test - Google Patents
Method and device for preparing coal sample used for nuclear magnetic resonance test Download PDFInfo
- Publication number
- CN102519770A CN102519770A CN2011104332159A CN201110433215A CN102519770A CN 102519770 A CN102519770 A CN 102519770A CN 2011104332159 A CN2011104332159 A CN 2011104332159A CN 201110433215 A CN201110433215 A CN 201110433215A CN 102519770 A CN102519770 A CN 102519770A
- Authority
- CN
- China
- Prior art keywords
- coal sample
- sliding guide
- magnetic resonance
- coal
- nuclear magnetic
- 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
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a method and a device for preparing a coal sample used for a nuclear magnetic resonance test. The device provided by the invention comprises a fixed support. A sample gripper is arranged on the fixed support. Two sliding guide grooves are arranged on the fixed support and are respectively located above the sample gripper and below the sample gripper. The two sliding guide grooves are arranged in parallel. Two idler wheels are respectively arranged in the two sliding guide grooves and are in rolling engagement with the sliding guide grooves. Two wire winders are fixedly arranged on idler wheel shafts stretching out from the sliding guide grooves. A linear cutting tool straddles and coils around the two wire winders. The device and the method provided by the invention have the advantages that 1, the linear cutting tool provided with semi-elliptic cambered cutting teeth which are arranged alternately is utilized for coal sample cutting and thus in cutting, mechanical impact on a rock sample surface is reduced; a risk of coal sample fragmentation is reduced; and a coal sample shaping rate is improved; and 2, in coal sample preparation, a coal sample does not contact with other foreign mediums, and thus in coal sample preparation, the contact between the coal sample and a hydrogen nucleus-rich material is avoided so that the coal sample test result deviation caused by the contact is avoided.
Description
Technical field
The invention relates to a kind of preparation facilities of testing coal sample, relate in particular to a kind of coal sample preparation method and device that is used for the nuclear magnetic resonance test.
Background technology
The rock sample nuclear magnetic resonance spectroscopy is to utilize hydrogen nuclei under the effect of externally-applied magnetic field, to form this characteristic of nmr phenomena; The same sample of duplicate measurements is at the NMR signal in different disposal stage and the T2 of this sample (T2) cutoff, thereby asks for a new technology of the geologic parameter such as factor of porosity, permeability, movable fluid saturation degree of reservoir.Its measurement result is only relevant with pore texture, property of pore fluid and the occurrence status thereof of sample, and is irrelevant with the mineralogical composition of rock skeleton, so can judge RESERVOIR PORE STRUCTURE and fluid properties and variation thereof in the oilfield explorating developing process well.
Existing oil and gas industry rock sample preparation method utilizes the sheet cutting knife to carry out machine cuts; In order in time to give the cooling of sheet cutting knife, improve the sample ratio of briquetting, to wash away landwaste, in the process of cutting rock sample, can do bath to cut surface and handle.But the intervention of water can increase the proton on rock sample surface, and the follow-up result who carries out the nuclear magnetic resonance test produces disturbance to rock sample, therefore, and the preparation of rock sample when above-mentioned existing rock sample preparation method is not suitable for the nuclear magnetic resonance test.And coal petrography has that physical strength is low, hugger is grown, frangible characteristics, the method that cutting method that drilling machine commonly used at present combines with fish gutting machine and cutting machine cut, and the ubiquity coal sample prepares low, the breakable problem of ratio of briquetting.
Thus, the inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of coal sample preparation method and device that is used for the nuclear magnetic resonance test, to overcome the defective of prior art.
Summary of the invention
The object of the present invention is to provide a kind of coal sample preparation method and device that is used for nuclear magnetic resonance test, can avoid coal sample to prepare in the process contact and be rich in the material of proton, the coal sample test result is brought deviation thereby avoid causing.
Another object of the present invention is to provide a kind of coal sample preparation method and device that is used for the nuclear magnetic resonance test, can improve the ratio of briquetting of coal sample preparation, and can easily coal sample be cut into random geometry according to the test needs.
Another purpose of the present invention is to provide a kind of coal sample preparation method and device that is used for the nuclear magnetic resonance test, and this apparatus structure is simple, and is easy to operate, and use cost is low.
The objective of the invention is to realize like this, a kind of coal sample preparation method who is used for the nuclear magnetic resonance test, this method is by sample holder coal cinder to be cut to be gripped, and adopts linear cutting tool that coal cinder is cut into the test coal sample.
In a preferred embodiments of the present invention, in the coal cinder cutting process, except that cutting tool, coal cinder does not contact with other media.
In a preferred embodiments of the present invention, said linear cutting tool is made up of a cutting silk; Said cutting silk is provided with staggered semiellipse arcuation cutting teeth.
The object of the invention can also be realized like this, a kind of coal sample preparation facilities that is used for the nuclear magnetic resonance test, and this preparation facilities comprises a fixed support, this fixed support is provided with a sample clamper; On this fixed support and be positioned at the sample holder upside and downside is respectively equipped with a sliding guide groove, said two sliding guide grooves are set in parallel; Rollably be provided with a roller in each sliding guide groove, on the roller shaft that stretches out the sliding guide groove outside, be fixed with wire wrapping disk, a linear cutting tool is striden and is established and coil on said two wire wrapping disks.
In a preferred embodiments of the present invention, said fixed support is provided with a sample loading stage, and this sample loading stage is to be made up of loading plane and the said sample holder that is arranged on this loading plane; Said two sliding guide grooves are arranged on the sidewall of loading plane one side.
In a preferred embodiments of the present invention, said two sliding guide grooves and loading plane are set in parallel.
In a preferred embodiments of the present invention, offer T-slot on the said sliding guide groove, said roller rollably is arranged in the T-slot.
In a preferred embodiments of the present invention, said linear cutting tool is made up of a cutting silk; Said cutting silk is provided with staggered semiellipse arcuation cutting teeth.
In a preferred embodiments of the present invention, be provided with bearing between said roller shaft and the roller; Said each roller shaft connects a motor through the clutch mode.
From the above mentioned; Owing to adopted linear cutting tool that coal sample is carried out cutting operation among the present invention; Linear cutting tool is provided with staggered semiellipse arcuation cutting teeth; The physical shock that in the time of can reducing the big saw cut of conventional cutting machine greatly the rock sample surface is caused reduces the risk of coal sample reduction, can improve the ratio of briquetting of coal sample preparation; Simultaneously, owing in the specimen preparation process, except that cutting tool, contact, can avoid coal sample to prepare in the process contacting being rich in the material of proton, the coal sample test result brought deviation thereby avoid causing with any other external medium.
Description of drawings
Following accompanying drawing only is intended to the present invention is done schematic illustration and explanation, not delimit the scope of the invention.Wherein:
Fig. 1: the structural representation that is used for the coal sample preparation facilities of nuclear magnetic resonance test for the present invention.
Fig. 2: be the structural representation of cutting silk among the present invention.
Embodiment
To understand in order technical characterictic of the present invention, purpose and effect being had more clearly, to contrast description of drawings embodiment of the present invention at present.
The present invention proposes a kind of coal sample preparation method who is used for the nuclear magnetic resonance test, by sample holder coal cinder to be cut is gripped, and adopts linear cutting tool that coal cinder is cut into the test coal sample then.Said linear cutting tool is to be made up of a cutting silk; This cutting silk has certain-length, and this cutting silk is provided with staggered semiellipse arcuation cutting teeth.In the coal cinder cutting process, except that cutting tool, coal cinder does not contact with other media.
As shown in Figure 1, the present invention also proposes a kind of coal sample preparation facilities 100 that is used for the nuclear magnetic resonance test, and this preparation facilities 100 comprises a fixed support 1, and this fixed support 1 is provided with the sample holder 2 of clamping coal cinder to be cut; On this fixed support 1 and the upside and the downside that are positioned at sample holder 2 be respectively equipped with first sliding guide groove 31 and second sliding guide groove 32, said two sliding guide grooves 31,32 are set in parallel; All offer T-slot on two sliding guide grooves; Rollably be provided with the first roller (not shown) in the T-slot of first sliding guide groove 31; Rollably be provided with the second roller (not shown) in the T-slot of second sliding guide groove 32, the roller shaft of two rollers all stretches out outside the T-slot; On first roller shaft 41 that stretches out first sliding guide groove, 31 outsides, be fixed with first wire wrapping disk 51; On second roller shaft 42 that stretches out second sliding guide groove, 32 outsides, be fixed with second wire wrapping disk 52; One linear cutting tool 6 is striden and is established and coil on said two wire wrapping disks 51,52; Said linear cutting tool 6 is made up of a cutting silk, and is as shown in Figure 2, and said cutting silk is provided with staggered semiellipse arcuation cutting teeth 61; Be provided with the bearing (not shown) between said each roller shaft and the corresponding roller; Said first roller shaft 41 is connected (not shown) with first motor; Said second roller shaft 42 is connected (not shown) with second motor.
The coal sample preparation facilities that the present invention is used for nuclear magnetic resonance test in use; At first coal cinder 7 to be cut is gripped by sample holder; Start first motor afterwards and drive first wire wrapping disk 51 and rotate; Manually or with two rollers of other gear train driving move along separately sliding guide groove, the coal cinder to be cut that is gripped by 6 pairs of sample holders of linear cutting tool cuts.After the cutting of a side of coal sample finishes; Change the clamping orientation of sample; Restart second motor and drive second wire wrapping disk 52 and rotate; Linear cutting tool 6 is oppositely moved, simultaneously manually or drive two rollers with other gear train and still move along separately sliding guide groove, the another side of cutting coal cinders by linear cutting tool 6.So repetitive operation processes satisfactory test coal sample.
From the above mentioned; Owing to adopted linear cutting tool that coal sample is carried out cutting operation among the present invention; Linear cutting tool is provided with staggered semiellipse arcuation cutting teeth; The physical shock that in the time of can reducing the big saw cut of conventional cutting machine greatly the rock sample surface is caused reduces the risk of coal sample reduction, can improve the ratio of briquetting of coal sample preparation; Simultaneously, owing in the specimen preparation process, except that cutting tool, contact, can avoid coal sample to prepare in the process contacting being rich in the material of proton, the coal sample test result brought deviation thereby avoid causing with any other external medium.
Further, as shown in Figure 1, in this embodiment, said fixed support 1 is provided with a sample loading stage, and this sample loading stage is to be made up of loading plane 11 and the said sample holder 2 that is arranged on this loading plane 11; Said two sliding guide grooves 31,32 are arranged on the sidewall of loading plane 11 1 sides.Said two sliding guide grooves 31,32 and loading plane 11 are set in parallel.
In this embodiment, the cutting silk is when the cutting coal sample, and meeting is constantly back and forth discharged by a wire wrapping disk according to certain speed and is wound to another wire wrapping disk, accomplishes the cutting to coal sample through this Dragsaw type grinding.Behind the intact face of every cutting, should the used cutting silk of section be wound on the wire wrapping disk and regain, use next time, make it can do short-term deformation and recover, help prolonging the serviceable life of cutting thread and guarantee its cutting effect up to being circulated to.In whole coal sample cutting process, do not contact any external proton material that is rich in, eliminated the influence of foreign matter to the nuclear magnetic resonance test result.And cutting silk be the filament shape, can be when certain simultaneously be cut to difference and goes into dark position random adjustment cut direction, realization is to the cutting of different geometric shape samples.
The present invention compared with prior art has following beneficial effect:
(1) in the specimen preparation process, except that cutting tool, sample does not contact with any other external medium, has avoided the undesired signal that produces owing to outside proton effect;
(2) cutting silk is gone up and is adopted staggered small semiellipse shape to cut tooth-like design, and the physical shock that in the time of can reducing the big saw cut of conventional cutting machine greatly the rock sample surface is caused reduces the risk of coal sample reduction;
(3) the cutting silk can be done temporary transient withdrawal and handle after having cut a face, helps prolonging the serviceable life of cutting silk, and guarantees the coal sample cutting effect;
(4) the cutting silk is a filament shape cutting tool, can cut the coal sample of various geometric shapes neatly.
The above is merely the schematic embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations of under the prerequisite that does not break away from design of the present invention and principle, having done and modification all should belong to the scope that the present invention protects.
Claims (9)
1. one kind is used for the coal sample preparation method that nuclear magnetic resonance is tested, and this method is by sample holder coal cinder to be cut to be gripped, and adopts linear cutting tool that coal cinder is cut into the test coal sample.
2. the coal sample preparation method who is used for the nuclear magnetic resonance test as claimed in claim 1, it is characterized in that: in the coal cinder cutting process, except that cutting tool, coal cinder does not contact with other media.
3. the coal sample preparation method who is used for the nuclear magnetic resonance test as claimed in claim 1 is characterized in that: said linear cutting tool is made up of a cutting silk; Said cutting silk is provided with staggered semiellipse arcuation cutting teeth.
4. one kind is used for the coal sample preparation facilities that nuclear magnetic resonance is tested, and it is characterized in that: this preparation facilities comprises a fixed support, and this fixed support is provided with a sample clamper; On this fixed support and be positioned at the sample holder upside and downside is respectively equipped with a sliding guide groove, said two sliding guide grooves are set in parallel; Rollably be provided with a roller in each sliding guide groove, on the roller shaft that stretches out the sliding guide groove outside, be fixed with wire wrapping disk, a linear cutting tool is striden and is established and coil on said two wire wrapping disks.
5. the coal sample preparation facilities that is used for the nuclear magnetic resonance test as claimed in claim 4, it is characterized in that: said fixed support is provided with a sample loading stage, and this sample loading stage is to be made up of loading plane and the said sample holder that is arranged on this loading plane; Said two sliding guide grooves are arranged on the sidewall of loading plane one side.
6. the coal sample preparation facilities that is used for the nuclear magnetic resonance test as claimed in claim 5, it is characterized in that: said two sliding guide grooves and loading plane are set in parallel.
7. the coal sample preparation facilities that is used for the nuclear magnetic resonance test as claimed in claim 4, it is characterized in that: offer T-slot on the said sliding guide groove, said roller rollably is arranged in the T-slot.
8. the coal sample preparation facilities that is used for the nuclear magnetic resonance test as claimed in claim 4 is characterized in that: said linear cutting tool is made up of a cutting silk; Said cutting silk is provided with staggered semiellipse arcuation cutting teeth.
9. the coal sample preparation facilities that is used for the nuclear magnetic resonance test as claimed in claim 4 is characterized in that: be provided with bearing between said roller shaft and the roller; Said each roller shaft connects a motor through the clutch mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104332159A CN102519770A (en) | 2011-12-21 | 2011-12-21 | Method and device for preparing coal sample used for nuclear magnetic resonance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104332159A CN102519770A (en) | 2011-12-21 | 2011-12-21 | Method and device for preparing coal sample used for nuclear magnetic resonance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102519770A true CN102519770A (en) | 2012-06-27 |
Family
ID=46290766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104332159A Pending CN102519770A (en) | 2011-12-21 | 2011-12-21 | Method and device for preparing coal sample used for nuclear magnetic resonance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102519770A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928273A (en) * | 2012-10-24 | 2013-02-13 | 河南理工大学 | Raw coal sample making method |
| CN104459586A (en) * | 2014-12-26 | 2015-03-25 | 苏州露宇电子科技有限公司 | Novel movable nuclear magnetic resonance analyzer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942773A (en) * | 1987-02-10 | 1990-07-24 | Kawasaki Steel Corp. | Device for sampling steel material |
| CN1208246A (en) * | 1997-03-27 | 1999-02-17 | 佳能株式会社 | Method and apparatus for separating composite member using fluid |
| CN1547520A (en) * | 2002-11-22 | 2004-11-17 | �˵á�������˹ | Apparatus for processing sheet material |
| JP2006068839A (en) * | 2004-08-31 | 2006-03-16 | Mitsubishi Heavy Ind Ltd | Portable cutter and cutter blade |
| CN201203546Y (en) * | 2008-06-03 | 2009-03-04 | 中国科学院武汉岩土力学研究所 | Apparatus for testing soft ingredient sample |
| CN202037741U (en) * | 2010-12-06 | 2011-11-16 | 常州得一新材料科技有限公司 | A cutting wire possessing an abrasive coating |
-
2011
- 2011-12-21 CN CN2011104332159A patent/CN102519770A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942773A (en) * | 1987-02-10 | 1990-07-24 | Kawasaki Steel Corp. | Device for sampling steel material |
| CN1208246A (en) * | 1997-03-27 | 1999-02-17 | 佳能株式会社 | Method and apparatus for separating composite member using fluid |
| CN1547520A (en) * | 2002-11-22 | 2004-11-17 | �˵á�������˹ | Apparatus for processing sheet material |
| JP2006068839A (en) * | 2004-08-31 | 2006-03-16 | Mitsubishi Heavy Ind Ltd | Portable cutter and cutter blade |
| CN201203546Y (en) * | 2008-06-03 | 2009-03-04 | 中国科学院武汉岩土力学研究所 | Apparatus for testing soft ingredient sample |
| CN202037741U (en) * | 2010-12-06 | 2011-11-16 | 常州得一新材料科技有限公司 | A cutting wire possessing an abrasive coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928273A (en) * | 2012-10-24 | 2013-02-13 | 河南理工大学 | Raw coal sample making method |
| CN104459586A (en) * | 2014-12-26 | 2015-03-25 | 苏州露宇电子科技有限公司 | Novel movable nuclear magnetic resonance analyzer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105401315B (en) | Glass fiber bobbin rest yarn removing device and control method thereof | |
| CN201488706U (en) | Index detection device of cigarette or filter rod | |
| CN108806965B (en) | The encapsulated test production line of transformer shaping | |
| TW201102196A (en) | Multi-bandsaw machine | |
| CN206862764U (en) | A kind of fixture for filamentary material tension test | |
| CN102519770A (en) | Method and device for preparing coal sample used for nuclear magnetic resonance test | |
| CN104197882A (en) | Multi-parameter non-contact online detection device for large-size stepped shafts | |
| CN105665749A (en) | Numerical control double-end lathe | |
| CN102967283A (en) | Gasket measuring mechanism of half axle gear of differential mechanism | |
| CN202049077U (en) | Surface polishing equipment of metal round bar sample for fatigue test | |
| KR20150103625A (en) | Loop amount absorption apparatus of slitter line | |
| CN106995160A (en) | A set of coiled material automatic disc loading equipment | |
| CN108214166A (en) | A kind of lithium battery processing burr removal device | |
| CN205571412U (en) | Numerical control double -end lathe | |
| CN103837594B (en) | Magnetic flux leakage detecting device for steel pipe and detection method thereof | |
| CN105855801B (en) | Support ring automatic assembly line | |
| CN201333573Y (en) | Burr finishing device for metal narrow bands | |
| CN109019101B (en) | Winding drum mechanism of high-speed winding drum machine | |
| CN104511738B (en) | Wheel shaft withdrawing machine | |
| CN215000206U (en) | Artificial intelligence defectoscope with walking function | |
| CN104647003B (en) | Method for withdrawing wheel shaft | |
| CN203791381U (en) | Multiple steel strip coiler | |
| CN210366185U (en) | Automatic roll changing mechanism | |
| CN102914234A (en) | Gear detecting device | |
| CN208408141U (en) | A kind of overlength small-caliber steel pipe disk device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |