CN215811960U - Automatic sample preparation system - Google Patents
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- CN215811960U CN215811960U CN202121918929.4U CN202121918929U CN215811960U CN 215811960 U CN215811960 U CN 215811960U CN 202121918929 U CN202121918929 U CN 202121918929U CN 215811960 U CN215811960 U CN 215811960U
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Abstract
The utility model discloses an automatic sample preparation system which comprises an aggregate mechanism, a crushing mechanism, a division mechanism, a drying mechanism, a sample grinding mechanism and a discharge mechanism which are arranged in sequence, wherein after sampling, a first sample enters the crushing mechanism after passing through the aggregate mechanism, and the crushed first sample enters the division mechanism to be divided into designated fractions; a plurality of second samples enter the drying mechanism, one of the dried second samples enters the sample grinding mechanism, and the second samples passing through the sample grinding mechanism enter the analysis sample bottle; a second sample which does not enter the sample grinding mechanism enters a moisture sample bottle; the other second sample enters the discharge mechanism. The system realizes automatic sample preparation, does not need manual participation, reduces the possibility of sample pollution and water loss, shortens sample preparation time, is miniaturized, and adapts to the requirements of different sampling points or sampling positions.
Description
Technical Field
The utility model relates to the field of sample preparation equipment, in particular to an automatic sample preparation system.
Background
At present, the working process of a coal quality laboratory comprises four links of sampling → sample preparation → testing → tabulation analysis, wherein the sample preparation is that samples collected by a sampling machine are manually collected into a sample preparation chamber at regular intervals, and the samples meeting the standard requirements are prepared through the processes of crushing, division, drying, sample grinding and the like. The operation steps of crushing, division, drying, sample grinding and the like all have national standard requirements, and sample preparation personnel need to control and operate corresponding equipment according to the national standard requirements. The whole process is completed manually, and the coal samples are various, heavy in weight and heavy in work; the operation links are designed to be broken, dried and the like, so that the noise of the operation environment is high, the temperature is high, the dust is large, and the human health is harmed; the coal sample is subjected to manual operation, so that the test result is easily influenced by misoperation or violation of operation regulations, pollution, water loss and the like; the coal sample is manually contacted in the whole process, inevitable errors occur, and the accuracy of the test result is influenced. At present, in the coal dressing industry, there are related technical researches such as automatic sampling and automatic sample preparation, and in the non-coal industry, there are also researches of similar automatic sample preparation systems, but the researches still have many defects and shortcomings.
1) Sampling and sample preparation can not be linked, the sampling amount is unequal, and sample preparation division depends on manual experience;
2) the sampling and sample preparation processes are separated, and the coal sample needs to be transferred and transported manually in the middle, so that continuous operation and complete unmanned operation cannot be realized;
3) the waste sample cannot be automatically processed, still needs manual processing, and the manual workload is not reduced;
4) a sample preparation chamber is required to be independently established to provide an operating environment for equipment, a large area of factory building is occupied, and the investment cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic sample preparation system, which solves the problems of long manual sample preparation time, high labor intensity and possibility of sample pollution, automatically divides the samples through the linkage of sampling and sample preparation, and recovers waste samples to realize the automatic sample preparation process.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an automatic sample preparation system comprises an aggregation mechanism, a crushing mechanism, a reduction mechanism, a drying mechanism, a sample grinding mechanism and a material discharge mechanism which are sequentially arranged, wherein the aggregation mechanism is used for caching a first sample, the source of the first sample and a coal sample collected by a sampling machine are transferred to the aggregation mechanism through a belt or other equipment, the first sample enters the crushing mechanism after passing through the aggregation mechanism, the crushing mechanism is used for crushing the first sample to a specified granularity, the crushed first sample enters the reduction mechanism, and the reduction mechanism is used for reducing the crushed first sample into a specified fraction; the reduced sample is a second sample, and a plurality of parts of the second sample enter a drying mechanism which is used for drying the reduced second sample; the dried second sample enters a sample grinding mechanism, and the sample grinding mechanism is used for grinding the dried second sample to a specified granularity; the second sample after passing through the sample grinding mechanism enters an analysis sample bottle; a second sample which does not enter the sample grinding mechanism enters a moisture sample bottle; and other second samples enter the discharging mechanism, and the discharging mechanism is used for conveying the first samples after the division back to the collecting mechanism.
In the technical scheme of this embodiment, the mechanism that gathers materials includes buffer and feeder, and buffer is used for the first sample that the storage sampling machine was adopted, and feeder is used for following first sample breaker mechanism is given into at the uniform velocity to buffer, and feeder's motor is inverter motor, can adjust the feed speed, and the mechanism that gathers materials supports multiple pan feeding modes such as direct pan feeding, chute pan feeding, bucket elevator pan feeding, provides the cushioning effect for gathering the coal sample.
In the technical scheme of this embodiment, the buffer device is a conical hopper with a certain volume, and can support quantitative and constant-volume aggregate.
In the technical scheme of this embodiment, division mechanism includes first divider and second divider, first divider is used for equally dividing first sample into two, the first discharge gate of first divider is connected to the second divider, the material discharge mechanism is connected to the second discharge gate of first divider, the second divider is used for dividing the sample that first divider obtained once more, obtains two second samples.
The first splitter comprises a feeding port and two symmetrically arranged discharge ports, namely a first discharge port and a second discharge port, a first sample is equally divided into two first samples after passing through the first splitter, one of the first samples after being split enters the second splitter, the structure of the second splitter is the same as that of the first splitter, the sample entering the second splitter is equally divided into two parts to obtain a second sample, and the sample which does not enter the second splitter enters a discharging mechanism and is conveyed to the collecting mechanism by the discharging mechanism.
In the technical scheme of the embodiment, two second samples are obtained after the second splitter splits, wherein one of the two second samples is dried by the drying mechanism and is conveyed to the sample grinding mechanism; another second sample is delivered to the first vial by a discharge mechanism. The first sample bottle is a moisture sample bottle and is used for measuring data such as moisture of a sample.
In the technical scheme of this embodiment, crushing mechanism is jaw breaker, breaks coal sample to 6mm or 13 mm. The working part of the jaw crusher is two jaw plates, one is a fixed jaw plate (fixed jaw), the fixed jaw plate is vertically (or the upper end of the fixed jaw plate is slightly outwards inclined) fixed on the front wall of the crusher body, and the other is a movable jaw plate (movable jaw), the position of the movable jaw plate is inclined, and the movable jaw plate and the fixed jaw plate form a crushing cavity (working cavity) with a large upper part and a small lower part. The movable jaw is periodically reciprocated, away from and towards the fixed jaw. When the materials are separated, the materials enter the crushing cavity, and finished products are discharged from the lower part; when approaching, the material between the two jaws is squeezed, bent and split to be broken.
In the technical scheme of this embodiment, stoving mechanism comprises stoving case and conveyer belt, and the second sample is driven by the conveyer belt and is passed through the stoving case, and the entering is ground appearance mechanism behind the second sample after the drying. The temperature, the wind speed and the like of the drying box can be adjusted through a control system, and the rotating speed of the transmission belt can also be adjusted to adapt to samples of different batches. And after the second sample enters the sample grinding mechanism, grinding the second sample to a certain granularity by the sample grinding machine, adjusting by controlling the grinding time, and conveying the ground second sample to a second sample bottle through the discharge mechanism. The second sample bottle is an analytical test bottle, and component data of the ash value in the sample is detected.
In the technical scheme of this embodiment, arrange material mechanism and include two, one of them row material mechanism connects the second discharge gate of first reduction divider, including arranging material chute and bucket lifting mechanism, the first sample of the second discharge gate exhaust of first reduction divider gets into bucket lifting mechanism through arranging the material chute and returns to adopt the mechanism of gathering materials. And the discharging mechanism is connected with the sample grinding mechanism and comprises a discharging chute.
In the technical scheme of the embodiment, the sample preparation system further comprises a control system, wherein the control system is electrically connected with the material collecting mechanism, the crushing mechanism, the dividing mechanism, the drying mechanism, the sample grinding mechanism and the discharging mechanism and is used for controlling the first sample amount of the material collecting mechanism entering the crushing mechanism; controlling the crushing granularity of the crushing mechanism, controlling the temperature and the air speed of the drying mechanism, and controlling the sample grinding granularity of the sample grinding mechanism; and controlling the discharging mechanism to automatically discharge. The control system controls the material collecting mechanism, the crushing mechanism, the dividing mechanism, the drying mechanism, the sample grinding mechanism and the material discharging mechanism through control software, and adjusts the operation parameters of the components according to the actual application condition. In the control system, the frequency of the feeding device is controlled, and the amount of coal entering the crusher is controlled; controlling the crushing granularity of the crushing device, wherein the crushing granularity can be 13mm or 6 mm; controlling the division times of the division mechanism and the weight of the tested coal sample; controlling the temperature and the wind speed of the drying box, adjusting the rotating speed of the crawler belt by controlling the frequency of the variable frequency motor, and adjusting the drying effect of the coal sample; controlling the sample grinding time of a sample grinding machine, and adjusting the sample grinding granularity of an analysis sample; and controlling a discharging device to automatically discharge. Setting a sample preparation period and frequency in a control system, and after system parameters are determined, automatically operating the sample preparation system according to the set parameters.
The utility model has the beneficial effects that: the automatic oxygen-making and sample-making system provided by the utility model is composed of a material collecting mechanism, a crushing mechanism, a contracting and separating mechanism, a drying mechanism, a sample grinding mechanism, a material discharging mechanism and a control system, realizes automatic sample making, does not need manual participation, reduces the possibility of sample pollution and water loss, shortens sample making time, is miniaturized, and is suitable for the requirements of different sampling points or sampling positions.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a schematic view of the scaling mechanism.
1. A buffer device; 2. a feeding device; 3. a crushing mechanism; 4. a disc weighing discharger; 5. a dividing mechanism; 6. a discharge chute; 7. a bucket lifting mechanism; 8. a drying box; 9. a transmission belt; 10. a sample grinding mechanism; 11. a second specimen vial; 12. a first specimen vial; 13. a control system; 501. a first splitter; 502. and a second splitter.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
An automatic sample preparation system as shown in fig. 1 comprises an aggregate mechanism, a crushing mechanism 3, a division mechanism 5, a drying mechanism, a sample grinding mechanism 10 and a discharge mechanism which are sequentially arranged, wherein the aggregate mechanism is used for caching a first sample, the first sample is derived from a coal sample sampled by a sampling machine and is transferred to the aggregate mechanism through a belt or other equipment, after passing through the aggregate mechanism, the first sample enters the crushing mechanism 3, the crushing mechanism 3 is used for crushing the first sample to a specified granularity, the crushed first sample enters the division mechanism 5, and the division mechanism 5 is used for dividing the crushed first sample into specified fractions; the reduced sample is a second sample, and a plurality of parts of the second sample enter a drying mechanism which is used for drying the reduced second sample; the dried one of the second samples enters a sample grinding mechanism 10, and the sample grinding mechanism 10 is used for grinding the dried second sample to a specified granularity; the second sample after passing through the sample grinding mechanism 10 enters an analysis sample bottle; a second sample which does not enter the sample grinding mechanism 10 enters a moisture sample bottle; and other second samples enter a discharge mechanism, and the discharge mechanism is used for conveying the first samples after division back to the sample collection point.
In the technical scheme of this embodiment, the mechanism that gathers materials includes buffer 1 and feeder 2, and buffer 1 is used for the first sample that the storage sampling machine was adopted, and feeder 2 is used for following first sample buffer 1 at the uniform velocity gives into crushing mechanism 3, and feeder 2's motor is inverter motor, can adjust the feed speed, and the mechanism that gathers materials supports multiple pan feeding modes such as direct pan feeding, chute pan feeding, bucket elevator pan feeding, provides the cushioning effect for gathering the coal sample.
In the technical scheme of this embodiment, the buffer device 1 is a conical hopper with a certain volume, and can support quantitative and constant-volume aggregate.
In the technical scheme of this embodiment, division mechanism 5 contains the disc feeder of weighing, first division ware 501 and second division ware 502, the disc feeder of weighing real time monitoring gets into the coal volume of equipment, even feed, the division ware utilizes the quartering ware to divide the coal sample into four, a moisture sample, a portion analysis sample and two abandon the sample, adjust the coal sample division number of times according to coal volume size, guarantee that coal sample weight accords with the national standard requirement, moisture sample gets into moisture sample bottle through arranging material mechanism, analysis sample gets into the drying-machine and dries and grind the appearance flow. The first splitter 501 is used for equally dividing the first sample into two parts, the second splitter 502 is connected with a first discharge port of the first splitter 501, a second discharge port of the first splitter 501 is connected with a discharging mechanism, and the second splitter 502 is used for splitting the sample obtained by the first splitter 501 again to obtain two second samples.
As shown in fig. 3, the first splitter 501 includes a feeding port and two symmetrically disposed discharge ports, which are a first discharge port and a second discharge port, respectively, after passing through the first splitter 501, the first sample is equally divided into two first samples, wherein one of the first samples after being split enters the second splitter 502, the structure of the second splitter 502 is the same as that of the first splitter 501, the sample entering the second splitter 502 is equally divided into two parts to obtain a second sample, and the sample not entering the second splitter 502 enters the discharge mechanism and is conveyed to the waste sample collection point by the discharge mechanism.
In the technical scheme of this embodiment, two second samples obtained after the second splitter 502 is split are dried by the drying mechanism, and one of the two second samples is conveyed to the sample grinding mechanism 10; another second sample is delivered to the first vial 12 by a discharge mechanism. The first vial 12 is a moisture vial and is used for measuring data such as moisture of a sample.
In the technical scheme of this embodiment, the crushing mechanism 3 is a jaw crusher, and crushes the coal sample to 6mm or 13 mm. The working part of the jaw crusher is two jaw plates, one is a fixed jaw plate (fixed jaw), the fixed jaw plate is vertically (or the upper end of the fixed jaw plate is slightly outwards inclined) fixed on the front wall of the crusher body, and the other is a movable jaw plate (movable jaw), the position of the movable jaw plate is inclined, and the movable jaw plate and the fixed jaw plate form a crushing cavity (working cavity) with a large upper part and a small lower part. The movable jaw is periodically reciprocated, away from and towards the fixed jaw. When the materials are separated, the materials enter the crushing cavity, and finished products are discharged from the lower part; when approaching, the material between the two jaws is squeezed, bent and split to be broken.
In the technical scheme of this embodiment, stoving mechanism includes stoving case 8 and conveyer belt and constitutes, and the second sample is driven by the conveyer belt and is passed through stoving case 8, and the entering is ground appearance mechanism 10 behind the second sample after the drying. The temperature, the wind speed and the like of the drying box 8 can be adjusted by the control system 13, and the rotating speed of the transmission belt 9 can also be adjusted to adapt to samples of different batches. After the second sample enters the sample grinding mechanism 10, the second sample is ground to a certain particle size by the sample grinding machine, the grinding time is controlled to adjust, and the ground second sample is conveyed to the second sample bottle 11 through the discharging mechanism. The second sample bottle 11 is an analysis test bottle, and detects component data of an ash value in a sample.
In the technical scheme of this embodiment, the discharge mechanism includes two, and one of them discharge mechanism connects the second discharge gate of first divider 501, including discharge chute 6 and bucket lifting mechanism 7, and the first sample of first divider 501's second discharge gate discharge gets into bucket lifting mechanism 7 through discharge chute 6 and returns to adopt the mechanism of gathering materials. And the discharging mechanism is connected with the sample grinding mechanism 10 and comprises a discharging chute 6.
As shown in fig. 2, the technical sample preparation system in the present embodiment further includes a control system 13, where the control system 13 electrically connects the material collecting mechanism, the crushing mechanism 3, the dividing mechanism 5, the drying mechanism, the sample grinding mechanism 10, and the material discharging mechanism, and controls a first sample amount of the material collecting mechanism entering the crushing mechanism 3; controlling the crushing granularity of the crushing mechanism 3, controlling the temperature and the wind speed of the drying mechanism, and controlling the sample grinding granularity of the sample grinding mechanism 10; and controlling the discharging mechanism to automatically discharge. The control system 13 controls the material collecting mechanism, the crushing mechanism 3, the dividing mechanism 5, the drying mechanism, the sample grinding mechanism 10 and the material discharging mechanism through control software, and adjusts the operating parameters of each component mechanism according to the actual application condition. In the control system 13, the frequency of the feeding device 2 is controlled, and the amount of coal entering the crusher is controlled; controlling the crushing granularity of the crushing device, wherein the crushing granularity can be 13mm or 6 mm; controlling the division times of the division mechanism 5 and the weight of the tested coal sample; the temperature and the wind speed of the drying box 8 are controlled, the rotating speed of the crawler belt is adjusted by controlling the frequency of the variable frequency motor, and the drying effect of the coal sample is adjusted; controlling the sample grinding time of a sample grinding machine, and adjusting the sample grinding granularity of an analysis sample; and controlling a discharging device to automatically discharge. Setting sample preparation period and frequency in the control system 13, and after system parameters are determined, automatically operating the sample preparation system according to the set parameters.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present disclosure, the schematic representations of the terms used above are not necessarily intended to be the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this disclosure can be combined and combined by one skilled in the art without contradiction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention. In addition, the technical features and the technical schemes, and the technical schemes can be freely combined and used.
Claims (10)
1. An automatic sample preparation system is characterized in that: comprising sequential arrangement of
The collecting mechanism is used for caching the first sample;
the crushing mechanism is used for crushing the first sample to a specified granularity;
the dividing mechanism is used for dividing the first sample after being crushed into designated fractions;
the drying mechanism is used for drying the second sample after the division;
the sample grinding mechanism is used for grinding the dried second sample to a specified granularity;
and the discharge mechanism is used for conveying the first sample after the division to a sample collection point.
2. An automated sample preparation system according to claim 1, wherein: the material collecting mechanism comprises a buffer device and a feeding device, the buffer device is used for storing a first sample collected by the sampling machine, and the feeding device is used for feeding the first sample into the crushing mechanism from the buffer device at a constant speed.
3. An automated sample preparation system according to claim 1, wherein: the dividing mechanism comprises a disc weighing discharger, a first divider and a second divider, the first divider is used for equally dividing a first sample into two parts, the second divider is connected with a first discharge hole of the first divider, a second discharge hole of the first divider is connected with a discharging mechanism, and the second divider is used for dividing the sample obtained by the first divider again to obtain two second samples.
4. An automated sample preparation system according to claim 3, wherein: and the drying mechanism dries any one second sample obtained by the division of the second divider and conveys the second sample to the sample grinding mechanism.
5. An automated sample preparation system according to claim 3, wherein: any one of the second samples is delivered to the first vial by a discharge mechanism.
6. An automated sample preparation system according to claim 4, wherein: the crushing mechanism is a jaw crusher and is used for crushing the coal sample to 6mm or 13 mm.
7. An automated sample preparation system according to claim 4, wherein: the drying mechanism comprises a drying box and a conveyor belt, the second sample is driven by the conveyor belt to pass through the drying box, and the dried second sample enters the sample grinding mechanism.
8. An automated sample preparation system according to claim 7, wherein: and the second sample discharged by the sample grinding mechanism is conveyed to a second sample bottle through the discharging mechanism.
9. An automated sample preparation system according to claim 3, wherein: the discharging mechanism comprises a discharging chute and a bucket lifting mechanism, and a first sample discharged from a second discharge port of the first divider enters the bucket lifting mechanism through the discharging chute and returns to the aggregate collecting mechanism.
10. An automated sample preparation system according to claim 1, wherein: the device also comprises a control system which is electrically connected with the material collecting mechanism, the crushing mechanism, the dividing mechanism, the drying mechanism, the sample grinding mechanism and the discharging mechanism and used for controlling the first sample amount of the material collecting mechanism entering the crushing mechanism; controlling the crushing granularity of the crushing mechanism, controlling the temperature and the air speed of the drying mechanism, and controlling the sample grinding granularity of the sample grinding mechanism; and controlling the discharging mechanism to automatically discharge.
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| CN202121918929.4U CN215811960U (en) | 2021-08-17 | 2021-08-17 | Automatic sample preparation system |
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| CN202121918929.4U CN215811960U (en) | 2021-08-17 | 2021-08-17 | Automatic sample preparation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129289A (en) * | 2023-07-28 | 2023-11-28 | 大连理工大学盘锦产业技术研究院 | Preparation method of lignite industrial analysis standard |
| CN117783157A (en) * | 2024-02-28 | 2024-03-29 | 天津美腾科技股份有限公司 | Self-balancing ash content detecting system |
-
2021
- 2021-08-17 CN CN202121918929.4U patent/CN215811960U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129289A (en) * | 2023-07-28 | 2023-11-28 | 大连理工大学盘锦产业技术研究院 | Preparation method of lignite industrial analysis standard |
| CN117783157A (en) * | 2024-02-28 | 2024-03-29 | 天津美腾科技股份有限公司 | Self-balancing ash content detecting system |
| CN117783157B (en) * | 2024-02-28 | 2024-06-11 | 天津美腾科技股份有限公司 | Self-balancing ash content detecting system |
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