CN104483175A - Automatic sample preparation system with moisture pretreatment function - Google Patents
Automatic sample preparation system with moisture pretreatment function Download PDFInfo
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- CN104483175A CN104483175A CN201410825047.1A CN201410825047A CN104483175A CN 104483175 A CN104483175 A CN 104483175A CN 201410825047 A CN201410825047 A CN 201410825047A CN 104483175 A CN104483175 A CN 104483175A
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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
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Abstract
The invention discloses an automatic sample preparation system with a moisture pretreatment function. The system comprises a primary treatment unit, a secondary treatment unit and a tertiary treatment unit which are sequentially connected, wherein the primary treatment unit is used for preparing a coal sample for determining total moisture, the secondary treatment unit for preparing a coal sample for back-check, and the tertiary treatment unit for preparing a coal sample for general analysis; the system further comprises a moisture pretreatment unit; an output end of the moisture pretreatment unit is connected with an input end of the primary treatment unit; the moisture pretreatment unit comprises a moisture detection module and a moisture intervention module; and a material is directly conveyed to the primary treatment unit after detected by the moisture detection module, or the detected material is subjected to intervention by the moisture intervention module and then is conveyed to the primary treatment unit. According to the structure, the moisture pretreatment unit is arranged at the front end of the automatic sample preparation system, the system has the pretreatment function of moisture drying or moisture humidification, so that the labor intensity is greatly reduced, the sample preparation efficiency is greatly improved, and accuracy and representativeness of the samples are greatly improved.
Description
Technical field
The present invention is mainly concerned with coal sample sample making apparatus field, is specifically related to a kind of automatic sample-making system with moisture preprocessing function.
Background technology
For coal analysis, be actually a kind of process of sampling analysis.Coal is a kind of uneven material (granularity, mass property distribution etc.), the female parent be sampled general larger (tens tons to several ten thousand tons not etc.), the process being extracted into the representative sample that can represent whole maternal quality and characteristic to greatest extent, " sampling ", has the various ways methods such as mechanical sampling, artificial sample, half mechanical sampling at present.Every country all has pressure standard, must carry out sampling work in accordance with standard.
After adopting sample by standard, next process is sample preparation, and the criterion of sample making course is under the prerequisite not destroying sample representativeness, and sample granularity is reduced gradually, and quality also gradually reduces, until meet laboratory assay to the granularity of sample and quality (weight) requirement.Sample making course generally has the processes such as air oxygen detrition, fragmentation, division, abrasive dust.Air oxygen detrition (also can heat drying, but temperature should be less than 50 DEG C) process reduces sample exterior moisture, is beneficial to fragmentation below and division process is normally carried out.In sample making course, fragmentation is the process that sample granularity is reduced.Division process is process sample being subtracted typically to matter, the Coal Characteristics of sample before the part sample reduced must can represent and reduce, division process is also the process completing sample size minimizing in sample making course, and other process Plays regulation should not allow coal sample to lose.Because the sample loss of non-division process (as coal dust runs off, spoil is selected), the Coal Characteristics of this sample can be changed, selectivity (not necessarily artificial) the sample that runs off be that sample making course is definitely unallowed.
Current coal sample is mainly made into three classes according to national standard: total moisture sample, look into storage sample and analyze sample, the granularity, water cut etc. of three class samples are not identical, and the amount that need provide is also different, 1.25 kilograms are no less than as the granularity total moisture sample that is 13mm need provide, what granularity was 3mm look into, and storage sample need provide is no less than 0.7 kilogram, and the analysis sample that granularity is 0.2mm need provide and is no less than 60 grams.After different coal samples is made into, for ensureing the reliability of sample, sample packaging device need be used different coal sample to be packaged respectively to use when subsequent sample analysis.
For ensureing effective operation of automatic sample-making system, pre-service need be carried out to the sample moisture situation entering sample-preparing system.And for current moisture pretreatment work, there is following problem:
(1) take artificial judgement sample moisture situation by rule of thumb, labour intensity is large, and efficiency is low, and each link manual intervention easily exists the phenomenon of fraud.
(2) probability that there is erroneous judgement during artificial judgement sample moisture situation is by rule of thumb very high, and erroneous judgement causes sample loss or device damage after making sample glue mixed or equipment blocking.
(3) only the sample high to water cut carries out pre-service at present, do not relate to the sample low to water cut and carry out pre-service, and the sample high to water cut carry out pre-service employing is first sieve out bulky grain screen overflow before sample preparation, mix with screen underflow again after the independent fragmentation of screen overflow, proceed follow-up sample preparation.And this sieve after mode broken again can only improve the water adaptability of equipment, the water adaptability of equipment can not be solved completely.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, provide that a kind of labour intensity is low, work efficiency is high, not easily human intervention to fake, can carry out simultaneously the automatic sample-making system with moisture preprocessing function of moisture drying or moisture humidification.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of automatic sample-making system with moisture preprocessing function, comprise the coagulation unit be connected successively, two stage treatment unit and three stage treatment unit, material is carried out the first material to be sampled that sample preparation process also obtains total moisture sample respectively and is used for two stage treatment cell processing by described coagulation unit, first material to be sampled is carried out the second material to be sampled that sample preparation process also obtains looking into storage sample and being used for three stage treatment unit process respectively by described two stage treatment unit, second material to be sampled is carried out sample preparation process and obtains analyzing sample by described three stage treatment unit, also comprise moisture pretreatment unit, the output terminal of described moisture pretreatment unit is connected with the input end of coagulation unit, described moisture pretreatment unit comprises water content detection module and moisture intervenes module, material is directly delivered to coagulation unit after described water content detection module detects, or intervene module by moisture after detecting and carry out intervening and be delivered to coagulation unit again.
As a further improvement on the present invention, described moisture is intervened module and is comprised drying device, and described drying device is used for carrying out rapid draing to the high moisture material that water content detection module detects.
As a further improvement on the present invention, described moisture is intervened module and is also comprised damping device, and described damping device is used for carrying out moisturizing humidification to the low moisture material that water content detection module detects.
As a further improvement on the present invention, described water content detection module comprises water content detection sensor.
As a further improvement on the present invention, described drying device is the saturating formula rapid dryer of wind.
As a further improvement on the present invention, described moisture pretreatment unit also comprises conveyor module, and described moisture pretreatment unit is connected with coagulation unit by conveyor module.
Compared with prior art, the invention has the advantages that:
1, the automatic sample-making system with moisture preprocessing function of the present invention, arranges moisture pretreatment unit in the front end of automatic sample-making system, greatly reduces labour intensity, greatly improves sample preparation efficiency.
2, the automatic sample-making system with moisture preprocessing function of the present invention, the precision that moisture judges improves greatly, and there is the preprocessing function of moisture drying or moisture humidification simultaneously, make sample can not be excessive because of moisture, cause adhering to and loss or mixed sample in sample making course, can not because of blocking damage equipment, again can not be too small because of sample moisture, cause producing airborne dust harm in follow-up sample making course, sample loss can be made minimum, and representativeness is the strongest.No dust pollution, effectively protects the healthy of operator simultaneously.
3, the automatic sample-making system with moisture preprocessing function of the present invention, whole sample-preparing system automatically working, intervenes without the need to manual site, avoids the generation of situation of artificially faking, greatly improve precision and the representativeness of sample.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram that the present invention has the automatic sample-making system of moisture preprocessing function.
Fig. 2 be the present invention in an embodiment water content detection duty time structural principle schematic diagram.
Fig. 3 is the structural principle schematic diagram of the present invention in an embodiment after moisture pre-service during material transportation duty.
Marginal data:
1, coagulation unit; 11, preposition breaker; 12, the quantitative reduction device of one-level; 13, one-level is surely than reduction device; 14, one-level breaker; 2, two stage treatment unit; 21, secondary is surely than reduction device; 22, secondary drying device; 3, three stage treatment unit; 31, fuel pulverizing plant; 4, moisture pretreatment unit; 41, water content detection module; 411, water content detection sensor; 42, moisture intervenes module; 421, drying device; 422, damping device; 43, conveyor module.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, the invention provides a kind of automatic sample-making system with moisture preprocessing function, comprise the coagulation unit 1 be connected successively, two stage treatment unit 2 and three stage treatment unit 3, material is carried out sample preparation process and obtains total moisture sample respectively and be used for the first material to be sampled that two stage treatment unit 2 processes by described coagulation unit 1, first material to be sampled is carried out sample preparation process and obtains looking into storage sample and be used for the second material to be sampled that three stage treatment unit 3 processes respectively by described two stage treatment unit 2, second material to be sampled is carried out sample preparation process and obtains analyzing sample by described three stage treatment unit 3, also comprise moisture pretreatment unit 4, the output terminal of described moisture pretreatment unit 4 is connected with the input end of coagulation unit 1, described moisture pretreatment unit 4 comprises water content detection module 41 and moisture intervenes module 42, material is directly delivered to coagulation unit 1 after described water content detection module 41 detects, or intervene module 42 by moisture after detecting and carry out intervening and be delivered to coagulation unit 1 again.
When material need enter automatic sample-making system carry out sample preparation time, material is introduced into moisture pretreatment unit 4, is detected by the moisture content situation of the water content detection module 41 pairs of materials in moisture pretreatment unit 4.When the coagulation unit 1 that the moisture testing result of this material is applicable to entering follow-up sample preparation process carries out sample preparation, material is directly delivered to coagulation unit 1 and is carried out follow-up sample preparation; When the coagulation unit 1 that the moisture testing result of this material is not suitable for entering follow-up sample preparation process carries out sample preparation, for avoiding impacting follow-up sample preparation processing unit, material will be intervened module 42 by moisture and be carried out moisture intervention until after being applicable to entering subsequent cell to it, and material is just transported to coagulation unit 1 and carries out follow-up sample preparation.In the front end of automatic sample-making system, moisture pretreatment unit 4 is set, without the need to the artificial moisture situation artificially judging material, greatly reduce labour intensity, greatly improve sample preparation efficiency, and avoid the generation of situation of artificially faking, greatly improve precision and the representativeness of sample.
In the present embodiment, coagulation unit 1 comprises preposition breaker 11, the quantitative reduction device 12 of one-level, one-level calmly than reduction device 13 and one-level breaker 14.The material entering coagulation unit 1 successively through the preposition fragmentation of preposition breaker 11, the quantitative reduction device 12 of one-level determine quality division and one-level fixed than reduction device 13 fixed than division after, part material is made into total moisture sample and exports to form first kind qualified samples, another part is determined to enter one-level breaker 14 than the fixed of reduction device 13 than material after division through one-level, after the fragmentation of one-level breaker 14, a part of material has been made into the first material to be sampled for two stage treatment unit 2 sample preparation process.In sample preparation process at the corresponding levels; can according to the actual requirements and produce the total moisture sample of different size in conjunction with the array configuration of sample making apparatus at the corresponding levels; as adopted other array configurations, as long as the requirement of producing total moisture sample can be met, protection scope of the present invention all should be belonged to.
In the present embodiment, it is fixed than reduction device 21 and secondary drying device 22 that two stage treatment unit 2 comprises secondary, enter the first material to be sampled of two stage treatment unit 2 through fixed the determining after than division than reduction device 21 of secondary, part material is made into look into storage sample and exports to form Equations of The Second Kind qualified samples, another part is determined to determine to enter secondary drying device 22 than the material after division than reduction device 21 through secondary, after the drying of secondary drying device 22, a part of material has been made into the second material to be sampled for three stage treatment unit 3 sample preparation process.In sample preparation process at the corresponding levels; that can produce different size according to the actual requirements and in conjunction with the array configuration of sample making apparatus at the corresponding levels looks into storage sample; as adopted other array configurations, as long as the requirement of producing and looking into storage sample can be met, protection scope of the present invention all should be belonged to.
In the present embodiment, three stage treatment unit 3 comprises fuel pulverizing plant 31, enters the second material to be sampled of three stage treatment unit 3 after the powder process of fuel pulverizing plant 31, and a part of material is made into analyze sample and exports to form the 3rd class qualified samples.In sample preparation process at the corresponding levels; can according to the actual requirements and produce the analysis sample of different size in conjunction with the array configuration of sample making apparatus at the corresponding levels; as adopted other array configurations, as long as the requirement of producing and analyzing sample can be met, protection scope of the present invention all should be belonged to.
In the present embodiment, moisture is intervened module 42 and is comprised drying device 421, and drying device 421 carries out rapid draing for the high moisture material detected water content detection module 41.Make sample can not be excessive because of moisture, cause adhering to and loss or mixed sample in sample making course, can not because of blocking damage equipment.
In the present embodiment, moisture is intervened module 42 and is also comprised damping device 422, and damping device 422 carries out moisturizing humidification for the low moisture material detected water content detection module 41.Making can not be too small because of sample moisture, causes producing airborne dust harm in follow-up sample making course, and sample loss can be made minimum, and representativeness is the strongest, and no dust pollution, effectively protects the healthy of operator simultaneously.
In the present embodiment, water content detection module 41 comprises water content detection sensor 411.
In the present embodiment, drying device 421 is the saturating formula rapid dryer of wind.The saturating dry technology of low warm air, can rapidly and efficiently complete pre-service, make Coal rank, coal sample that different dry wets degree meets automatic sample requirement, thus make whole system non-caking coal, not chute blockage, smooth and easy operation under low-temperature condition (not affecting sample physical).
In the present embodiment, moisture pretreatment unit 4 also comprises conveyor module 43, and moisture pretreatment unit 4 is connected with coagulation unit 1 by conveyor module 43.As shown in Figure 3, after moisture pretreatment unit 4 pairs of materials complete pre-service, by conveyor module 43, mass transport is started sample preparation to coagulation unit 1.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (6)
1. one kind has the automatic sample-making system of moisture preprocessing function, it is characterized in that: comprise the coagulation unit (1) be connected successively, two stage treatment unit (2) and three stage treatment unit (3), material is carried out sample preparation process and obtains total moisture sample respectively and be used for the first material to be sampled that two stage treatment unit (2) processes by described coagulation unit (1), first material to be sampled is carried out sample preparation process and obtains looking into storage sample and be used for the second material to be sampled that three stage treatment unit (3) processes respectively by described two stage treatment unit (2), second material to be sampled is carried out sample preparation process and obtains analyzing sample by described three stage treatment unit (3), also comprise moisture pretreatment unit (4), the output terminal of described moisture pretreatment unit (4) is connected with the input end of coagulation unit (1), described moisture pretreatment unit (4) comprises water content detection module (41) and moisture intervenes module (42), material is directly delivered to coagulation unit (1) after described water content detection module (41) is detected, or intervene module (42) by moisture after detecting and carry out intervening and be delivered to coagulation unit (1) again.
2. the automatic sample-making system with moisture preprocessing function according to claim 1, it is characterized in that, described moisture is intervened module (42) and is comprised drying device (421), and described drying device (421) carries out rapid draing for the high moisture material detected water content detection module (41).
3. the automatic sample-making system with moisture preprocessing function according to claim 2, it is characterized in that, described moisture is intervened module (42) and is also comprised damping device (422), and described damping device (422) carries out moisturizing humidification for the low moisture material detected water content detection module (41).
4. the automatic sample-making system with moisture preprocessing function according to claim 3, is characterized in that, described water content detection module (41) comprises water content detection sensor (411).
5. the automatic sample-making system with moisture preprocessing function according to claim 4, is characterized in that, described drying device (421) is the saturating formula rapid dryer of wind.
6. the automatic sample-making system with moisture preprocessing function according to Claims 1 to 5 any one, it is characterized in that, described moisture pretreatment unit (4) also comprises conveyor module (43), and described moisture pretreatment unit (4) is connected with coagulation unit (1) by conveyor module (43).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410825047.1A CN104483175A (en) | 2014-12-27 | 2014-12-27 | Automatic sample preparation system with moisture pretreatment function |
| PCT/CN2015/098900 WO2016101911A1 (en) | 2014-12-27 | 2015-12-25 | Automatic sample preparation system having moisture pretreatment function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410825047.1A CN104483175A (en) | 2014-12-27 | 2014-12-27 | Automatic sample preparation system with moisture pretreatment function |
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| CN104483175A true CN104483175A (en) | 2015-04-01 |
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| CN201410825047.1A Pending CN104483175A (en) | 2014-12-27 | 2014-12-27 | Automatic sample preparation system with moisture pretreatment function |
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| WO (1) | WO2016101911A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792597A (en) * | 2015-04-28 | 2015-07-22 | 中国矿业大学(北京) | Device and method for preparing coal samples with different water contents |
| WO2016101911A1 (en) * | 2014-12-27 | 2016-06-30 | 湖南三德科技股份有限公司 | Automatic sample preparation system having moisture pretreatment function |
| CN110082175A (en) * | 2019-04-09 | 2019-08-02 | 湖南三德科技股份有限公司 | A kind of robot sample-preparing system |
| CN110082171A (en) * | 2019-04-09 | 2019-08-02 | 湖南三德科技股份有限公司 | A kind of robot method for making sample and system |
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| Publication number | Publication date |
|---|---|
| WO2016101911A1 (en) | 2016-06-30 |
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Application publication date: 20150401 |