CN107790364A - Pedotheque sample preparation Special screen - Google Patents
Pedotheque sample preparation Special screen Download PDFInfo
- Publication number
- CN107790364A CN107790364A CN201710834947.6A CN201710834947A CN107790364A CN 107790364 A CN107790364 A CN 107790364A CN 201710834947 A CN201710834947 A CN 201710834947A CN 107790364 A CN107790364 A CN 107790364A
- Authority
- CN
- China
- Prior art keywords
- sieve nest
- external screw
- internal thread
- screw thread
- sample
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention discloses a kind of pedotheque sample preparation Special screen, top seal, the cover rim inwall of screen cover have internal thread, sieve nest top and the bottom are hollow, sieve nest top inside and outside wall has internal and external threads, middle part inwall to have internal thread, bottom inside and outside wall to have internal and external threads respectively respectively, the outer wall of screen cloth has an external screw thread, and equi-index plate is divided into some fan-shaped cylinders, adjacent fan-shaped cylinder one for it is hollow, another is has bottom, the outer wall of equi-index plate has external screw thread, and bottom lock, the disk of sample disc have screw thread along inwall；The internal thread of screen cover is engaged with the external screw thread on sieve nest top, internal thread connection in the middle part of the external screw thread and sieve nest of screen cloth, the external screw thread of equi-index plate is connected with the internal thread of sieve nest bottom, the external screw thread of the internal thread occlusion of the internal thread or sample disc on the external screw thread of sieve nest bottom and the top of another sieve nest, the internal thread on sieve nest top and the bottom of another sieve nest is engaged.Sample making course simple and fast can preferably be ensured, reduce air pollution, avoid sample cross contamination and human injury.
Description
Technical field
The present invention relates to environmental monitoring technology field, more particularly to a kind of pedotheque sample preparation Special screen.
Background technology
When carrying out pedotheque measure, analyzing different compositions needs the sample of different-grain diameter, that is, needs after grinding
Soil by the sieve of different pore size, and process is to sieve step by step, is eventually fabricated the different-grain diameter for meeting composition measurement requirement
Sample.It is more inconvenient that the sieve that pedotheque sample preparation at present uses uses, and when carrying out pedotheque sample preparation, sample is ground
Afterwards, sample sieving is carried out using the nylon sieve of different pore size successively, the sample blending of excessively complete sieve carries out decile, takes wherein one
After half is ground again or the sieving of next step is directly entered, untill reaching the sample of minimum grain size.This sample making course is numerous
It is multiple, the problem of certain be present：
1st, due to needing to sieve successively, therefore the artificial sieve for using different pore size, carry out repeatedly sieving operation, process ratio
More complicated, the time is longer；
2nd, the sample every time after sieving needs the decile of artificial progress varying number, then chooses wherein half or need quantity
Sample enter next link, not only operate that complicated, the time is more long, and also need to use other instruments, be easily introduced pollution；
3rd, sieve used in process is mostly that open type or sealing are bad, and sieving process easily causes trickle soil powder
End is floated in the air everywhere, not only causes air pollution and sample cross contamination, and cause actual bodily harm to operating personnel.
The content of the invention
The present invention be directed to pedotheque sample making course existing for prior art in process is complicated, the time is longer, air pollution,
The problem of sample cross contamination is easy and causes human injury and deficiency, there is provided a kind of pedotheque sample preparation Special screen.
The present invention is that solve above-mentioned technical problem by following technical proposals：
The present invention provides a kind of pedotheque sample preparation Special screen, and its feature is that it includes screen cover, sieve nest, screen cloth, decile
Disk and sample disc, the screen cover, the sieve nest, the equi-index plate and the sample disc are cylindrical structure, and the screen cloth is circular configuration, should
Top seal, the cover rim inwall of screen cover are laid with internal thread, and the top and the bottom of the sieve nest are hollow structure, in the top of the sieve nest
Outer wall is laid with internal thread respectively and external screw thread, middle part inwall are laid with internal thread, bottom inside and outside wall is laid with internal thread respectively
And external screw thread, the outer wall of the screen cloth are laid with external screw thread, the equi-index plate is divided into some fan-shaped cylinders, adjacent fan-shaped cylinder one
For it is hollow, another to there is bottom structure, the outer wall of the equi-index plate is laid with external screw thread, and the bottom lock of the sample disc, disk are in
Wall cloth is provided with internal thread；
The internal thread of the screen cover is threadedly coupled with the external screw thread on the top of the sieve nest, external screw thread and the sieve nest of the screen cloth
The internal thread threaded connection at middle part, the external screw thread of the equi-index plate are threadedly coupled with the internal thread of the bottom of the sieve nest, the sieve nest
The external screw thread of bottom be used for mutually be engaged with the internal thread on the top of another sieve nest or the internal thread of the sample disc, the sieve nest it is upper
The internal thread in portion is used to mutually be engaged with the external screw thread of the bottom of another sieve nest.
It is preferred that the main body of the screen cloth uses nylon material.
It is preferred that the lower diameter of the sieve nest is less than the upper diameter of the sieve nest.
It on the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, it is each preferably real to produce the present invention
Example.
The positive effect of the present invention is：
The present invention solve process in pedotheque sample making course is complicated, the time is longer, air pollution, sample cross contamination
The problem of easily and causing human injury, can preferably ensure sample making course simple and fast, reduce air pollution, avoid sample cross
Pollution and human injury.
Brief description of the drawings
Fig. 1 is the structural representation of the screen cover of present pre-ferred embodiments.
Fig. 2 is the structural representation of the sieve nest of present pre-ferred embodiments.
Fig. 3 is the structural representation of the screen cloth of present pre-ferred embodiments.
Fig. 4 is the structural representation of the sample disc of present pre-ferred embodiments.
Fig. 5 is the structural representation of the equi-index plate of present pre-ferred embodiments.
Fig. 6 is the structural representation of the pedotheque sample preparation Special screen of present pre-ferred embodiments.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
The present embodiment provides a kind of pedotheque sample preparation Special screen of new structure, including：Screen cover, sieve nest, screen cloth, decile
Disk, sample disc.Wherein, the main body of screen cloth is nylon (polyesteramide) material, and remainder is polyvinyl chloride, polytetrafluoroethylene (PTFE) etc.
Stability Analysis of Structures is not easy the material to sample pollution.
As shown in figure 1, screen cover：Cylindrical structure, top seal, cover rim inwall have internal thread, outer with the top of sieve nest
Screw thread is mutually engaged, and is dissipated for soil powder during preventing sieving from sieve nest top.
As shown in Fig. 2 sieve nest：Cylindrical structure, lower diameter is more smaller than upper diameter, and top and the bottom are hollow, top
Inside and outside wall is laid with internal and external threads, and wherein external screw thread is used to revolve screen cover, and internal thread is engaged with another sieve nest lower external thread；
There is internal thread at middle part, for fixed grit；Internal and external threads are arranged at bottom, and wherein external screw thread is used for and another sieve nest upper internal threaded
Or the occlusion of sample disc internal thread, internal thread are used to fix equi-index plate.
As shown in figure 3, screen cloth：Circular configuration, circular outer is laid with external screw thread with sieve nest phase same material, outer wall, with sieve
The internal thread at the middle part of body is mutually engaged；Inside is the transverse and longitudinal nylon wire of nylon material, adjusts nylon wire quantity as needed, can set
It is set to different pore size.
As shown in figure 4, sample disc：Cylindrical structure, bottom lock, disk are laid with internal thread along inwall, are used for and sieve nest
The external screw thread of bottom be mutually engaged.
As shown in figure 5, equi-index plate：Cylindrical structural, some fan-shaped cylinders are divided into as needed (to ensure uniformly, to the greatest extent
It is big to measure isodisperse), adjacent fan body one is hollow, and one has bottom.There are screw thread, and the internal thread occlusion of the bottom of sieve nest in outside.
When carrying out pedotheque sample preparation using the pedotheque sample preparation Special screen of the present embodiment：
1st, when only needing a kind of particle diameter sample, the aperture size screen cloth 2 is selected to be arranged on sieve nest 1, successively in sieve nest 1
Bottom loads equi-index plate 3 and sample disc 4, and the soil for grinding completion is uniformly poured into sieve nest 1, and installs screen cover 5, proceeds by
Sieving.Because screen cover 5 arranged at the top of sieve nest 1, sample disc 4 arranged at the bottom of sieve nest 1, and the sieving of pedotheque is complete in closing space
Into, avoid soil dust dissipation pollute, and prevent operating personnel suck dust；Simultaneously because bottom placed simultaneously
Equi-index plate 3 and sample disc 4, the structure of equi-index plate 3 can uniformly retain the sample of half, and second half sample is fallen in sample disc 4,
Portion is used to keep sample, and portion is used to determine, and so eliminates people's work point sample process, simple and easy, sees Fig. 6.
2nd, can be from top to bottom successively by the sieve equipped with different pore size screen cloth and equi-index plate when needing a variety of particle diameter samples
Body connects (from top to bottom, mesh size is sequentially reduced), upper sample disc is pressed in the bottom of the sieve nest of bottommost, by ground sample
Product are uniformly put into uppermost sieve nest, and start to sieve by upper screen cover.Because screen cover is arranged at top, sample disc is arranged at bottom, sieving
Process is completed in closing space, avoids pollution and human injury caused by the dissipation of soil dust；The sieve nest per one-level is all set simultaneously
There is equi-index plate, therefore every grade of sample has sample, available for keeping sample or determine.If desired for≤2mm and the sample of≤1mm particle diameters
When, screen cover, sieve nest (2mm apertures screen cloth is housed), equi-index plate, sieve nest (1mm apertures screen cloth is housed), decile are followed successively by from top to bottom
Disk, sample disc.After pedotheque crosses 2mm screen clothes, half is trapped in equi-index plate, and the screen cloth that half falls on following 1mm continued
Sieve, after sieving again, half is trapped in equi-index plate, and half is in sample disc.So once sieve ,≤2mm can be obtained simultaneously
With the sample of≤two kinds of particle diameters of 1mm, and minimum grain size sample is without people's work point sample, and stays in equi-index plate≤2mm sample
Divide sample if desired, because the structure that equi-index plate is inherently divided equally, choose 1/2 catch tray and can be achieved, it is simple to operate easy
OK.
The invention compared with prior art, solves that process in pedotheque sample making course is complicated, the time is longer, empty
The problem of gas pollutes, sample cross contamination is easy and causes human injury, it can preferably ensure sample making course simple and fast, reduce sky
Gas pollution, avoid sample cross contamination and human injury.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (3)
- A kind of 1. pedotheque sample preparation Special screen, it is characterised in that it includes screen cover, sieve nest, screen cloth, equi-index plate and sample disc, The screen cover, the sieve nest, the equi-index plate and the sample disc are cylindrical structure, and the screen cloth is circular configuration, the top of the screen cover Closing, cover rim inwall are laid with internal thread, and the top and the bottom of the sieve nest are hollow structure, and the top inside and outside wall of the sieve nest distinguishes cloth , should provided with internal thread and external screw thread, middle part inwall are laid with internal thread, bottom inside and outside wall is laid with internal thread and external screw thread respectively The outer wall of screen cloth is laid with external screw thread, and the equi-index plate is divided into some fan-shaped cylinders, and adjacent fan-shaped cylinder one is hollow, another Individual is to have bottom structure, and the outer wall of the equi-index plate is laid with external screw thread, and bottom lock, the disk of the sample disc are laid with interior spiral shell along inwall Line；The internal thread of the screen cover is threadedly coupled with the external screw thread on the top of the sieve nest, the external screw thread of the screen cloth and the middle part of the sieve nest Internal thread threaded connection, the external screw thread of the equi-index plate is threadedly coupled with the internal thread of the bottom of the sieve nest, the bottom of the sieve nest External screw thread be used for mutually be engaged with the internal thread on the top of another sieve nest or the internal thread of the sample disc, the top of the sieve nest Internal thread is used to mutually be engaged with the external screw thread of the bottom of another sieve nest.
- 2. pedotheque sample preparation Special screen as claimed in claim 1, it is characterised in that the main body of the screen cloth uses nylon material Matter.
- 3. pedotheque sample preparation Special screen as claimed in claim 1, it is characterised in that the lower diameter of the sieve nest is less than the sieve The upper diameter of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834947.6A CN107790364B (en) | 2017-09-15 | 2017-09-15 | Special sieve for soil sample preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834947.6A CN107790364B (en) | 2017-09-15 | 2017-09-15 | Special sieve for soil sample preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107790364A true CN107790364A (en) | 2018-03-13 |
| CN107790364B CN107790364B (en) | 2019-12-27 |
Family
ID=61531912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710834947.6A Expired - Fee Related CN107790364B (en) | 2017-09-15 | 2017-09-15 | Special sieve for soil sample preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107790364B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645647A (en) * | 2018-08-21 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of rock sample layering collector and collection method |
| CN111855364A (en) * | 2019-04-24 | 2020-10-30 | 北京兰友科技有限公司 | A riffle sampler for selecting separately soil sample |
| CN111855334A (en) * | 2019-04-24 | 2020-10-30 | 北京兰友科技有限公司 | Grinding, screening and weighing assembly for preparing soil sample |
| CN112452699A (en) * | 2020-11-05 | 2021-03-09 | 孙鑫 | Screening plant for soil sampling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006289307A (en) * | 2005-04-14 | 2006-10-26 | Fujiei Sangyo Kk | Fine granulation apparatus of earth and sand, and mud |
| KR20080092172A (en) * | 2007-04-11 | 2008-10-15 | 유한회사 부귀산업 | Seperation equipment of the waste |
| CN105107707A (en) * | 2015-09-15 | 2015-12-02 | 三峡大学 | Soil wet screening device and method |
| CN204842157U (en) * | 2015-05-25 | 2015-12-09 | 中国科学院南京土壤研究所 | Soil particle diameter grading plant |
| CN106824740A (en) * | 2017-03-16 | 2017-06-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Rotary type soil dry screening device for laboratory and dry screening method |
-
2017
- 2017-09-15 CN CN201710834947.6A patent/CN107790364B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006289307A (en) * | 2005-04-14 | 2006-10-26 | Fujiei Sangyo Kk | Fine granulation apparatus of earth and sand, and mud |
| KR20080092172A (en) * | 2007-04-11 | 2008-10-15 | 유한회사 부귀산업 | Seperation equipment of the waste |
| CN204842157U (en) * | 2015-05-25 | 2015-12-09 | 中国科学院南京土壤研究所 | Soil particle diameter grading plant |
| CN105107707A (en) * | 2015-09-15 | 2015-12-02 | 三峡大学 | Soil wet screening device and method |
| CN106824740A (en) * | 2017-03-16 | 2017-06-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Rotary type soil dry screening device for laboratory and dry screening method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645647A (en) * | 2018-08-21 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of rock sample layering collector and collection method |
| CN111855364A (en) * | 2019-04-24 | 2020-10-30 | 北京兰友科技有限公司 | A riffle sampler for selecting separately soil sample |
| CN111855334A (en) * | 2019-04-24 | 2020-10-30 | 北京兰友科技有限公司 | Grinding, screening and weighing assembly for preparing soil sample |
| CN112452699A (en) * | 2020-11-05 | 2021-03-09 | 孙鑫 | Screening plant for soil sampling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107790364B (en) | 2019-12-27 |
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Granted publication date: 20191227 |