CN109443879A - Sizing crushing dividing sampling system and method - Google Patents
Sizing crushing dividing sampling system and method Download PDFInfo
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- CN109443879A CN109443879A CN201811564510.6A CN201811564510A CN109443879A CN 109443879 A CN109443879 A CN 109443879A CN 201811564510 A CN201811564510 A CN 201811564510A CN 109443879 A CN109443879 A CN 109443879A
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- 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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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Abstract
The invention discloses a kind of sizing crushing dividing sampling systems, comprising: the first sizing crusher, the discharging-material size of the first sizing crusher are predetermined value;First reduction device, for the broken material of the first sizing crusher to be carried out division respectively from sample leaving opening and abandoning sample mouth export;The diameter granularity that goes out of second sizing crusher, the second sizing crusher is predetermined value, and for material derived from the sample leaving opening of the first reduction device to be crushed;Sifter, screening mouth bore be predetermined value, for by the second sizing be crushed crusher machine after material screening and make partial size be greater than predetermined value material continue in the second sizing crusher be crushed;Second reduction device carries out division for material after sieving sifter.First, which determines crusher, only needs to carry out tentatively to be crushed, broken without carrying out high-precision.And the material for needing be crushed in high precision is considerably less, substantially reduces the broken cost of high-precision.To sum up, the invention also discloses a kind of sizing crushing dividing sampling methods.
Description
Technical field
The present invention relates to sample making technology fields to further relate to more specifically to a kind of sizing crushing dividing sampling system
A kind of sizing crushing dividing sampling method.
Background technique
At present when carrying out 3 millimeters of coal sample sample preparations, conventional process is as follows: coal sample is broken by sizing crusher
Broken, oversize can be returned in value sizing crusher and is crushed by corresponding setting sifter, sifter, and then make coal sample
It is all crushed to the coal sample that partial size is not more than 3 millimeters, primary division is then carried out by reduction device again, sample division will be abandoned and gone out
It goes, leaves sample, sample is then subjected to division again, with division at sample and the analysis sample of filing for reference.Above-mentioned 3 millimeters of sample preparation crushings energy consumption
Compare it is more, so cost is bigger.
It is current art technology in conclusion how to efficiently solve the bigger problem of sizing crushing division cost
Personnel's urgent problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of sizing crushing dividing sampling system, the sizing is broken
Broken division sample-preparing system can efficiently solve the bigger problem of sizing crushing division cost, and second object of the present invention is
A kind of sizing crushing dividing sampling method is provided.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of sizing crushing dividing sampling system, comprising:
First sizing crusher, the discharging-material size of the first sizing crusher are predetermined value;
First reduction device, for the broken material of the first sizing crusher to be carried out division respectively from sample leaving opening
It is exported with sample mouth is abandoned;
The diameter granularity that goes out of second sizing crusher, the second sizing crusher is the predetermined value, and being used for will be described
Material derived from the sample leaving opening of first reduction device is crushed;
Sifter, screening mouth bore are the predetermined value, are used to for second sizing being crushed material screening after crusher machine
And the material for making partial size be greater than the predetermined value continues to be crushed in the second sizing crusher;
Second reduction device, for material after sifter screening to be carried out division.
According to above-mentioned technical solution, it is recognised that being provided with the first reduction device and the second contracting when bigger for supplied materials
Device is divided to carry out classification division by the first reduction device and the second reduction device, to guarantee that the division ratio of divisions at different levels is unlikely to too
It is small, and then guarantee division effect.In addition, in the application, two crushers are provided with, with the material to the first reduction device division,
It is first tentatively crushed, to guarantee that material meets the division requirement of the first reduction device, and then guarantees that the division of the first reduction device is quasi-
True property.It carries out high-precision to the sample after the first reduction device division again at this time to be crushed, to pass through the second sizing crusher and screening
Device fully ensures that material is crushed precision.Division is finally carried out again, can guarantee division precision.In the sizing crushing dividing sampling
In system, by being arranged the first reduction device between the first sizing crusher and the second sizing crusher, first is fixed broken at this time
Broken machine only needs to carry out tentatively to be crushed, broken without carrying out high-precision.And after the first reduction device division, only make sample
Material is broken by the second sizing crusher high-precision, and it is considerably less to need to carry out the broken material of high-precision at this time, substantially reduces height
The broken cost of precision.In conclusion can efficiently solve sizing in the sizing crushing dividing sampling system is crushed cost ratio
Larger problem.
Preferably, the second sizing crusher is hammer mill, and the sifter is that sieving plate is arranged in the hammer
The discharge outlet of formula crushing chamber of crusher so that at medial surface material can be broken up by the hammer of hammer crusher it is broken.
Preferably, the first sizing crusher is double-roll crusher, and the discharge port of the first sizing crusher is arranged
There is conveyer belt, material is delivered to the feed inlet of first reduction device.
It preferably, further include the drying machine being arranged between the first sizing crusher and the second sizing crusher.
Preferably, the drying machine is arranged between first reduction device and the second sizing crusher.
Preferably, the screening hole of the sifter is the cylindrical hole that diameter is predetermined value.
In order to reach above-mentioned second purpose, the present invention also provides a kind of sizing crushing dividing sampling method, the sizings
Crushing dividing sampling method includes the following steps:
Material is crushed by the first sizing crusher that nominal particle size is predetermined value, to obtain preliminary broken material;
The preliminary broken material is subjected to division, is tentatively kept sample with obtaining;
Tentatively keep sample by described and be crushed and sieved, and material after screening is made to continue to be crushed until all materials through hole
Diameter is the screening hole of the predetermined value, to obtain high-precision broken material;
For by the high-precision broken material carry out division, with acquisition file for reference sample and analyze sample.
Pass through above-mentioned analysis, it can be seen that the sizing crushing dividing sampling method and above-mentioned sizing crushing dividing sampling system
Sample preparation principle it is consistent, be it is first preliminary broken, after abandoning sample with removal, then broken to the remaining progress high-precision that keeps sample, go forward side by side
Row division.Since above-mentioned sizing crushing dividing sampling system has above-mentioned technique effect, the sizing crushing dividing sampling method
Also there should be corresponding technical effect.
Preferably, it is described by it is described tentatively keep sample and be crushed and sieved before, further comprise the steps of: and tentatively keep sample described
It is dried.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of sizing crushing dividing sampling system provided in an embodiment of the present invention;
Fig. 2 is the flow diagram of sizing crushing dividing sampling system provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
First sizing crusher 1, the first reduction device 2, the second sizing crusher 3, sifter 4, the second reduction device 5, drying
Machine 6.
Specific embodiment
The embodiment of the invention discloses a kind of sizing crushing dividing sampling systems, are crushed cost ratio to efficiently solve sizing
Larger problem.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention
Fig. 1-Fig. 2 is please referred to, Fig. 1 is the structural representation of sizing crushing dividing sampling system provided in an embodiment of the present invention
Figure;Fig. 2 is the flow diagram of sizing crushing dividing sampling system provided in an embodiment of the present invention.
In a specific embodiment, a kind of sizing crushing dividing sampling system is present embodiments provided, for first
Step material carries out broken and division to complete sample preparation.Specifically, the sizing crushing dividing sampling system includes along workflow
The first sizing crusher 1, the first reduction device 2, the second sizing crusher 3, sifter 4 and the second reduction device 5 set gradually.
When more for supplied materials, the division ratio generally required by multistage division, to avoid divisions at different levels is too small.So
It is provided with the first reduction device 2 and the second reduction device 5 in the application, wherein after the first reduction device 2 carries out preliminary division for material,
Second reduction device 5 carries out further division, in general, the second division to the material that the sample leaving opening of the first reduction device 2 leaves again
Material contracting can be divided into two parts by device 5, and portion is sample of filing for reference, another is analysis sample.
Wherein the first reduction device 2 and the second reduction device 5 are the mechanism for carrying out division to material, in general, one
A sample division mechanism includes a feed inlet and multiple discharge ports, and division component is arranged in centre, and division component is certain by making by supplied materials
Ratio or certain quality, mixing portioning is carried out to material, number and discharge port number are generally consistent, by each part material distinguish
It is exported from each discharge port, in practical applications, one of discharge port is defined as sample leaving opening, another discharge port is defined as abandoning
Sample mouth.The structure of specific sample division mechanism can refer to the prior art specifically can root in order to play preferable division effect
Humidity, granularity, quality according to sample etc. are different to select corresponding contracting device.
Wherein the discharging-material size of the first sizing crusher 1 is predetermined value, and the discharging grain of the second sizing crusher 3 therein
Degree is also predetermined value, and the two discharging-material size is consistent, it should be noted that discharging-material size herein is coarse value, is generally allowed few
The granularity of the discharging material of amount is greater than the predetermined value.Material with partial size beyond the predetermined value is more, then the crusher cost
It is smaller.Wherein predetermined value is the particle size values of the first reduction device 2 and the sample of second 5 divisions of reduction device, is generally wanted according to sample preparation
It asks, is accordingly arranged.
In supplied materials, which can be processed supplied materials, and supplied materials is directed into the first sizing crusher 1, so
After being crushed afterwards by the first sizing crusher 1, make discharging-material size predetermined value, so as to meet the division requirement of the first reduction device 2.
Subsequent first reduction device 2, for the broken material of the first sizing crusher 1 to be carried out division, then respectively from
Sample leaving opening and abandoning sample mouth export.It should be noted that wherein sample leaving opening and the ratio of abandoning sample mouth outflow can according to need progress
Setting selects corresponding sample division mechanism, or adjusts the division ratio of sample division mechanism.Generally keep sample than no more than two point one, one
As between 1/5th to one of 25.
Subsequent second sizing crusher 3 is crushed for material derived from the sample leaving opening to the first reduction device 2, to guarantee
It is crushed to prefabricated value, then sifter 4 is sieved, and the screening mouth bore of sifter 4 is predetermined value, for breaking the second sizing
Material screening after the broken crusher machine and material for making partial size be greater than predetermined value continues to be crushed in the second sizing crusher 3.So that
The material come is screened out from sifter 4, partial size is completely secured in predetermined value hereinafter, and being greater than by the partial size that early period is crushed predetermined
The material of value will be crushed by the second sizing crusher 3, to guarantee that all second sizing crushers 3 that enter are broken
Material passes through sifter 4, to fully ensure that material size.
Then the second reduction device 5, the material after sieving to sifter 4 carry out division again, in general can division at staying
Sample and abandoning sample.It is contemplated that requirement of experiment, material can generally be contracted be divided into two parts, a copy of it is sample of filing for reference, and portion is point
Analyse sample.Sample of wherein filing for reference can according to need with the ratio for analyzing sample to be continued to select, and in general, the specific gravity for sample of filing for reference needs to omit
Greater than analysis sample.
In the present embodiment, when bigger for supplied materials, it is provided with the first reduction device 2 and the second reduction device 5, passes through first
Reduction device 2 and the second reduction device 5, carry out classification division, to guarantee that the division ratio of divisions at different levels is unlikely to too small, and then guarantee contracting
Divide effect.In addition, being provided with two crushers in the application and first tentatively being broken with the material to 2 division of the first reduction device
It is broken, to guarantee that material meets the division requirement of the first reduction device 2, and then guarantee the division accuracy of the first reduction device 2.At this time again
It carries out high-precision to the sample after 2 division of the first reduction device to be crushed, sufficiently to protect by the second sizing crusher 3 and sifter 4
Exhibit material is crushed precision.Division is finally carried out again, can guarantee division precision.In the sizing crushing dividing sampling system,
By being arranged the first reduction device 2 between the first sizing crusher 1 and the second sizing crusher 3, first determines crusher at this time
It only needs to carry out tentatively to be crushed, it is broken without carrying out high-precision.And after 2 division of the first reduction device, only make sample
It is crushed in high precision by the second sizing crusher 3, it is considerably less to need to carry out the broken material of high-precision at this time, substantially reduces high-precision
The broken cost of degree.Compare in conclusion the broken cost of sizing can be efficiently solved in the sizing crushing dividing sampling system
Big problem.
As described above, sifter 4 is used for the broken rear material screening of the second sizing crusher 3 and makes partial size greater than described
The material of predetermined value continues to be crushed in the second sizing crusher 3.Whole realization said effect, there are mainly two types of forms: a kind of
It is that the broken material export of the second sizing crusher 3 enters at sifter 4, and sifter 4 is sieved, after then sieving
Oversize, be directed into the second sizing crusher 3 and be crushed again, until all materials pass through sifter 4;It is another
Kind is sifter 4 to be arranged in the crusher chamber of the second sizing crusher 3, and the material of small particle passes through the sieve of sifter 4 at this time
Divide hole outflow, and large-sized material can not then will continue to be retained in crusher chamber, be crushed by the second sizing by sieving hole
The crushing members of machine 3 carry out fragmentation procedure.
Specifically, being crushed for convenience, the second sizing crusher 3 is hammer mill herein, and sifter 4 is sieve
Scoreboard the discharge outlet of hammer mill crusher chamber is set so that at medial surface material can be broken up by hammer of hammer crusher it is broken.
Wherein the structure of hammer mill can refer to the prior art.In general hammer mill includes hammering chamber, hammer part and driving
Hammer the driving part of part hammering into shape.Specifically, driving part is used to that hammer part to be driven to hammer into shape to intracavitary sieving plate is hammered, by material
It is broken to carry out hammering.
As above, wherein the first sizing crusher 1 is used to carry out material to be tentatively crushed, in general, it is only necessary to broken
It is less than predetermined value to 95% material size.In order to be preferably crushed, preferably the first sizing crusher 1 is to roller herein
Crusher.Wherein the structure of double-roll crusher can refer to the prior art, in general, the main two roller parts of double-roll crusher,
With the driving part that rotates towards each other of two roller parts of driving, when two roller parts rotate towards each other, can to the material between two roller parts into
Row attrition crushing.Material is wherein conveyed for convenience, and the discharge port of preferred double-roll crusher is provided with conveyer belt herein, by object
Material is delivered to the feed inlet of the first reduction device 2, and wherein conveyer belt refers to annular conveyer belt, for material to be sent to separately from one end
One end, wherein one end of conveyer belt can be set below the discharge port of the first sizing crusher 1, to receive material, and convey
The other end of band is placed in the upper end of the first reduction device 2, with conveyer belt deflecting to it is reversed when, material is thrown into the first reduction device 2
Feed inlet in.
Further, when bigger for supplied materials humidity, the second reduction device 5 progress high precision int division for convenience, one
As need before the second reduction device 5 be arranged drying machine 6, material to be dried.In view of wherein the second sizing crusher 3
It needs to carry out high precision int division, it is preferably broken in the first sizing crusher 1 and the second sizing herein in order to improve division speed
Drying machine 6 is set between machine 3, while by the way that drying machine is arranged before the second sizing crusher 3, it is broken to be conducive to the second sizing
It is dried material that machine 3, which is crushed object, to be effectively prevented from sizing phenomenon, to meet the broken demand of hammer mill.
Simultaneously in view of the first reduction device 2 is when carrying out division, generally requires division and go out the material of major part as abandoning
Material.In order to reduce energy consumption, preferred drying machine 6 is arranged between the first reduction device 2 and the second sizing crusher 3 herein.
Specifically, such as needing sample preparation granularity is 3 millimeters, then, above-mentioned predetermined value is 3 millimeters, and material can be coal charge.
As above-mentioned, material is first carried out 3 millimeters and is crushed by the first sizing crusher 1, and it is nominal maximum for being crushed require discharging-material size at this time
3 millimeters of granularity, the coal sample not less than 95% is only needed to pass through 3 millimeters of square hole screens at this time.Broken coal sample is through the first contracting
Divide 2 division of device, the coal sample that division goes out to be not less than 1 kilogram enters drying machine 6 and completes drying, and coal sample enters sieving approach after drying
Machine, the i.e. composite structure of the second sizing crusher 3 and sifter 4 complete sieving approach, guarantee it is broken after coal sample can be 100% logical
3 millimeters of round-hole meshes are crossed, i.e., the screening hole of preferred sifter 4 is the cylindrical hole that diameter is predetermined value.Broken coal sample is through second
Reduction device 5, division go out to analyze sample and not less than 700 grams samples of filing for reference.
The sizing crushing dividing sampling system provided in based on the above embodiment, the present invention also provides sizing crushing divisions
Method for making sample.Specifically, the sizing crushing dividing sampling method includes the following steps: first for predetermined value by nominal particle size
Material is crushed by sizing crusher, to obtain preliminary broken material;The preliminary broken material is subjected to division, is tentatively stayed with obtaining
Sample;Tentatively keep sample by described and be crushed and sieved, and material after screening is made to continue to be crushed until all materials pass through aperture
The screening hole of the predetermined value, to obtain high-precision broken material;For the high-precision broken material to be carried out division, and deposited
Look into sample and analysis sample.It can be seen that the sizing crushing dividing sampling method smashing principle and step and above-mentioned sizing crushing division system
Sample system is identical, so the beneficial effect of the sizing crushing dividing sampling system please refers to above-described embodiment.
Further, preferably described herein tentatively to keep sample by described and be crushed and sieved in order to be preferably crushed
Before further include: tentatively keep sample described and be dried.So that tentatively keeping sample for subsequent processing keeps sample for drying.Specifically may be used
To be dried by drying machine.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of sizing crushing dividing sampling system characterized by comprising
First sizing crusher, the discharging-material size of the first sizing crusher are predetermined value;
First reduction device, for the broken material of the first sizing crusher to be carried out division respectively from sample leaving opening and abandoning
The export of sample mouth;
The diameter granularity that goes out of second sizing crusher, the second sizing crusher is the predetermined value, and is used for described first
Material derived from the sample leaving opening of reduction device is crushed;
Sifter, screening mouth bore are the predetermined value, for material screening and making after second sizing is crushed crusher machine
The material that partial size is greater than the predetermined value continues to be crushed in the second sizing crusher;
Second reduction device, for material after sifter screening to be carried out division.
2. sizing crushing dividing sampling system according to claim 1, which is characterized in that the second sizing crusher is
Hammer mill, the sifter are sieving plate and the discharge outlet of the hammer mill crusher chamber are arranged in so that medial surface
Place's material can be broken up broken by the hammer of hammer crusher.
3. sizing crushing dividing sampling system according to claim 2, which is characterized in that the first sizing crusher is
The discharge port of double-roll crusher, the first sizing crusher is provided with conveyer belt, and material is delivered to first division
The feed inlet of device.
4. sizing crushing dividing sampling system according to claim 1-3, which is characterized in that further include that setting exists
Drying machine between the first sizing crusher and the second sizing crusher.
5. sizing crushing dividing sampling system according to claim 4, which is characterized in that the drying machine is arranged described
Between first reduction device and the second sizing crusher.
6. sizing crushing dividing sampling system according to claim 5, which is characterized in that the screening hole of the sifter is
Diameter is the cylindrical hole of predetermined value.
7. a kind of sizing crushing dividing sampling method, which is characterized in that comprising steps of
Material is crushed by the first sizing crusher that nominal particle size is predetermined value, to obtain preliminary broken material;
The preliminary broken material is subjected to division, is tentatively kept sample with obtaining;
Tentatively keep sample by described and be crushed and sieved, and material after screening is made to continue to be crushed until all materials pass through aperture
The screening hole of the predetermined value, to obtain high-precision broken material;
For by the high-precision broken material carry out division, with acquisition file for reference sample and analyze sample.
8. sizing crushing dividing sampling method according to claim 7, which is characterized in that it is described by it is described tentatively keep sample into
Before row is broken and screening, further comprise the steps of: by it is described tentatively keep sample be dried.
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CN201811564510.6A CN109443879A (en) | 2018-12-20 | 2018-12-20 | Sizing crushing dividing sampling system and method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110286013A (en) * | 2019-07-02 | 2019-09-27 | 湖南中南智能工业技术有限公司 | A kind of sample-preparing system and method for making sample |
CN114354319A (en) * | 2022-01-26 | 2022-04-15 | 新疆八一钢铁股份有限公司 | Sample preparation method for coking coal caking index detection sample |
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CN103323303A (en) * | 2013-05-22 | 2013-09-25 | 长沙开元仪器股份有限公司 | Combined sample preparation system |
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CN103323303A (en) * | 2013-05-22 | 2013-09-25 | 长沙开元仪器股份有限公司 | Combined sample preparation system |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110286013A (en) * | 2019-07-02 | 2019-09-27 | 湖南中南智能工业技术有限公司 | A kind of sample-preparing system and method for making sample |
CN114354319A (en) * | 2022-01-26 | 2022-04-15 | 新疆八一钢铁股份有限公司 | Sample preparation method for coking coal caking index detection sample |
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