CN109856361A - A kind of crushing division joint sample preparation device and working method with automatic weighing system - Google Patents
A kind of crushing division joint sample preparation device and working method with automatic weighing system Download PDFInfo
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- CN109856361A CN109856361A CN201811544688.4A CN201811544688A CN109856361A CN 109856361 A CN109856361 A CN 109856361A CN 201811544688 A CN201811544688 A CN 201811544688A CN 109856361 A CN109856361 A CN 109856361A
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Abstract
The present invention relates to a kind of, and the crushing division with automatic weighing system combines sample preparation device and working method, belongs to coal quality testing and checks and accepts field.To weigh sample in real time in the quality of links, avoids occurring seriously to leak coal, spreads coal and equipment stopping state, while reducing the noise of shattering process generation, dust pollution, reduce the moisture loss of coal sample, guarantee the automation stable operation of device.The present invention includes crushing division device and transmitting device；Crushing division device includes material-falling hopper, level-one Taw crushing apparatus, level-one reduction device, second level roller pair breaking device, second level reduction device, the bucket that keeps sample, motor and sample-discarding hopper, and transmitting device includes motor, transmission belt, Dynamic Weighting equipment, observation window and feed inlet.Sample preparation operation link of the present invention suitable for the coal-quality test course of work, sample can be weighed in the quality of links, the operating condition of monitoring device in real time by carrying out sample preparation operation using the device.
Description
Technical field
The invention belongs to coal quality testings to check and accept field, and in particular to a kind of crushing division joint system with automatic weighing system
Sampling device and working method, the sample preparation operation link suitable for the coal-quality test course of work.
Background technique
Coal-quality test work mainly include coal is sampled, sample preparation and chemical examination three parts content, only wanted by standard
The gathering and processing operation standardized to coal is asked, accurate detection result could be obtained.In gathering and processing these three connect each other and
In relatively independent link, error caused by sampling and sample preparation accounts for the 96% of coal-quality test overall error, and practice have shown that, sample preparation
Error caused by program or misoperation is sometimes and no less than sampling error.In addition, part power plant works in coal-quality test at present
In the process, in terms of sample preparation there are the problem of it is quite a few in the problems in sampling process or even sometimes more prominent.Thus how to drop
Low sample preparation error, raising sample preparation precision just become urgent problem to be solved.
Sample preparation refers to through the operation such as broken, division, mixing, drying, screening, and the coal sample of acquisition is prepared into granularity and is less than
The general analysis of 0.2mm tests coal sample, sample detection when for chemical examination.Although overall process automation apparatus sample making apparatus is in power train
System, which has begun, to come into operation, but the technology is still at an early stage, there are maintenance costs high, equipment cleaning difficulty, software behaviour
Make a series of problems, such as cumbersome, therefore each power plant mainly uses artificial method for making sample at present.Current artificial sample preparation work is main
Combine sample preparation device using crushing division, such as application No. is the Chinese patent of 02284046.X, which is by crusher, division
Device and transmission belt combine, and the sample adopted is sent into crusher by transmission belt, enters division after broken crusher machine
Device, and then division goes out various required samples, the connection of three parts close structure cooperates, and simplifies sample making course, intelligence
Change, facilitation.But due to crushing division joint sample preparation device structure closing and it is relative complex, in the process of running, it is difficult in real time
Monitoring device operation conditions, if there are more serious spread coal, leakage coal phenomenon or reduction devices, and blocking, generation occurs in operational process
When larger bias, all it can not find and solve the problems, such as in time, it is inadequate so as to cause the representation of coal sampling of preparation, to result of laboratory test
Accuracy produces bigger effect.
The present invention proposes a kind of with automatic weighing system for a series of problems existing for artificial sample making course at present
Crushing division combines sample preparation device, carries out sample preparation work using the device, can weigh sample in real time in the quality of links,
To play the effect of real-time monitoring to the operation of device.The device is enclosed construction, and shattering process not only can be effectively reduced
Noise, the dust pollution of generation, reduce the moisture loss of coal sample, guarantee the automation of sample making course, can also monitor dress in real time
Operating status is set, avoids occurring seriously to leak coal, spread coal and equipment stopping state, improves the accurate of coal index inspection result
Property.
Summary of the invention
To weigh sample in real time in the quality of links, avoids occurring seriously to leak coal, spreads coal and equipment stopping state,
Noise, the dust pollution for reducing shattering process generation simultaneously, reduce the moisture loss of coal sample, guarantee that fortune is stablized in the automation of device
Row, the invention proposes a kind of, and the crushing division with automatic weighing system combines sample preparation device and working method, which is applicable in
Sample preparation operation link in the coal-quality test course of work, sample can be weighed each in real time by carrying out sample preparation operation using the device
The quality of a link, the operating condition of monitoring device.
Technical solution used by the present invention solves the above problems is: a kind of crushing division joint with automatic weighing system
Sample preparation device, which is characterized in that including crushing division device and transmitting device；The crushing division device includes material-falling hopper, one
Grade Taw crushing apparatus, level-one reduction device, second level roller pair breaking device, second level reduction device, the bucket that keeps sample, motor and abandoning sample
Bucket, the transmitting device includes motor, transmission belt, Dynamic Weighting equipment, observation window and feed inlet；In crushing division device
In, it the material-falling hopper, level-one Taw crushing apparatus, level-one reduction device, second level roller pair breaking device, second level reduction device and stays
Sample bucket is sequentially arranged and interconnects from top to bottom, and the level-one reduction device is also connected to sample-discarding hopper, the motor respectively with
Level-one Taw crushing apparatus is connected with second level roller pair breaking device；In transmitting device, the transmission belt is in tilted layout, and passes
Feed inlet is arranged in the bottom end of defeated belt, and the top of transmission belt is connected to material-falling hopper, and the Dynamic Weighting equipment setting is being transmitted
On belt, the top of Dynamic Weighting equipment is arranged in the observation window, and the motor is connect with transmission belt.
Preferably, the level-one Taw crushing apparatus includes moving jaw plate and determines jaw, described in crushing division device
It is fixed to determine jaw, the moving jaw plate can jaw does eccentric shaft movement and generates extruding force towards determining.
Preferably, the level-one reduction device is by the uniform division of the sample of entrance at two in crushing division device
Point, and can be adjusted according to the needs division ratio.
Preferably, in crushing division device, the second level roller pair breaking device include two arrange in opposite directions to roller,
Two pairs of rollers rotate inwardly, broken sample can will be needed to be involved in and generate extruding force, and the spacing of two pairs of rollers is adjustable.
Preferably, the second level reduction device is close with the structure of level-one reduction device, function in crushing division device
Can be identical, by the uniform division of the sample of entrance at two parts, and it can be adjusted according to the needs division ratio.
Preferably, the bucket that keeps sample is provided with 2 in crushing division device, and the bottom for the bucket that keeps sample be provided with it is quiet
State weighing equipment can weigh in real time and show the quality of sample；The bottom of the sample-discarding hopper is also equipped with static weighing equipment,
For weighing and showing the quality of sample in real time.
Preferably, Dynamic Weighting equipment passes through measurement real-time traffic, load and speed of service meter in transmitting device
Sample dynamic mass is calculated, thus real-time monitoring sample pan feeding quality.
The working method of crushing division joint sample preparation device with automatic weighing system is as follows: opening motor, each device is opened
Begin to operate, sample to be prepared uniformly be poured into feed inlet, sample is transmitted to material-falling hopper by transmission belt；When sample is by dynamic
When state weighing equipment, Dynamic Weighting equipment calculates the gross mass of sample according to sample real-time traffic, load and the speed of service；
In transmission process, observation window is opened into observation transmission state as needed, so as to avoid an accident situation；When sample is by transmission skin
After band falls into material-falling hopper, sample enters level-one Taw crushing apparatus, in the device to determine jaw fixed, moving jaw plate is towards determining jaw
The direction of plate carries out eccentric shaft movement, and the sample attrition crushing that will be fallen into determines the spacing of jaw and moving jaw plate bottom end according to sample
Granularity needs are adjusted；Falling into division in level-one reduction device by the broken sample of level-one, at two parts, a part is straight
It connects and falls into sample-discarding hopper, another part is fallen into second level roller pair breaking device, needs to adjust division ratio according to the quality for the amount of keeping sample；
In second level roller pair breaking device, the sample fallen into is by two to, to rotary motion attrition crushing, two between roller in roller
Away from also according to granularity needs be adjusted；Sample after two-stage crushing is fallen into second level reduction device, second level reduction device
Close with level-one reduction device structure, function is identical, needs division at two parts according to quality in the sample of entrance, respectively falls in
Keep sample in bucket；Keep sample bucket and sample-discarding hopper bottom installation static weighing equipment, weigh in real time and show the quality for falling into sample；It is logical
The quality that comparison Dynamic Weighting equipment and static weighing equipment are shown is crossed, judges whether spread coal in whole process, leakage coal phenomenon,
Whether equipment blocks, and whether reduction device precision at different levels are qualified.
Compared with prior art, the present invention having the following advantages that and effect: the present invention, which devises a kind of band and weighs automatically, is
The crushing division of system combines sample preparation device, for the preparation process of coal sample, weighs sample in real time in the quality of links, avoids
Serious leakage coal occurs, spreads coal and equipment stopping state, while reducing the noise of shattering process generation, dust pollution, reduces coal
The moisture loss of sample guarantees the automation stable operation of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the crushing division joint sample preparation device in the embodiment of the present invention with automatic weighing system.
Fig. 2 is the structural schematic diagram of crushing division device in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of transmitting device in the embodiment of the present invention.
Fig. 4 is the stereochemical structure signal of the crushing division joint sample preparation device in the embodiment of the present invention with automatic weighing system
Figure.
In figure: 1- material-falling hopper, 2- level-one Taw crushing apparatus, 3- level-one reduction device, 4- second level roller pair breaking device, 5-
Second level reduction device, 6- keep sample bucket, 7- motor, 8- sample-discarding hopper, 9- transmission belt, 10- Dynamic Weighting equipment, 11- observation window,
12- feed inlet.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1 to Fig. 4, the crushing division with automatic weighing system in the present embodiment combines sample preparation device, including broken
Broken reduction device and transmitting device；Crushing division device include material-falling hopper 1, level-one Taw crushing apparatus 2, level-one reduction device 3,
Second level roller pair breaking device 4, second level reduction device 5, the bucket 6 that keeps sample, motor 7 and sample-discarding hopper 8, transmitting device include motor 7, transmission
Belt 9, Dynamic Weighting equipment 10, observation window 11 and feed inlet 12；In crushing division device, material-falling hopper 1, level-one jaw crushing
Device 2, level-one reduction device 3, second level roller pair breaking device 4, second level reduction device 5 and the bucket 6 that keeps sample are sequentially arranged from top to bottom
And interconnect, level-one reduction device 3 is also connected to sample-discarding hopper 8, motor 7 respectively with level-one Taw crushing apparatus 2 and second level pair
Roller crushing device 4 connects；In transmitting device, transmission belt 9 is in tilted layout, and feed inlet 12 is arranged in the bottom end of transmission belt 9,
The top of transmission belt 9 is connected to material-falling hopper 1, and Dynamic Weighting equipment 10 is arranged on transmission belt 9, and the setting of observation window 11 is dynamic
The top of state weighing equipment 10, motor 7 are connect with transmission belt 9.
In the present embodiment, in crushing division device, level-one Taw crushing apparatus 2 includes moving jaw plate and determines jaw, determines jaw
Plate is fixed, and towards determining, jaw does eccentric shaft movement to moving jaw plate and generates extruding force.
In the present embodiment, in crushing division device, level-one reduction device 3 is by the uniform division of the sample of entrance at two
Point, and division ratio is adjusted as needed.
In the present embodiment, in crushing division device, second level roller pair breaking device 4 include two arrange in opposite directions to roller,
Two pairs of rollers rotate inwardly, broken sample can will be needed to be involved in and generate extruding force, and the spacing of two pairs of rollers is adjustable.
In the present embodiment, in crushing division device, second level reduction device 5 is close with the structure of level-one reduction device 3, function
Can be identical, by the uniform division of the sample of entrance at two parts, and division ratio is adjusted as needed.
In the present embodiment, in crushing division device, the bucket that keeps sample 6 is provided with 2, and the bottom for the bucket 6 that keeps sample be provided with it is quiet
State weighing equipment, for weighing and showing the quality of sample in real time；The bottom of the sample-discarding hopper 8 is also equipped with static weighing and sets
It is standby, for weighing and showing the quality of sample in real time.
In the present embodiment, in transmitting device, Dynamic Weighting equipment 10 passes through measurement real-time traffic, load and operation speed
Degree calculates sample dynamic mass, thus real-time monitoring sample pan feeding quality.
The working method of crushing division joint sample preparation device with automatic weighing system is as follows: opening motor 7, each device is opened
Begin to operate, sample to be prepared uniformly be poured into feed inlet 12, sample is transmitted to material-falling hopper 1 by transmission belt 9；When sample passes through
When crossing Dynamic Weighting equipment 10, Dynamic Weighting equipment 10 calculates sample according to sample real-time traffic, load and the speed of service
Gross mass；In transmission process, observation window 11 is opened into observation transmission state as needed, so as to avoid an accident situation；When
After sample falls into material-falling hopper 1 by transmission belt 9, sample enters level-one Taw crushing apparatus 2, and the jaw of determining in the device is fixed not
Dynamic, moving jaw plate carries out eccentric shaft movement towards the direction for determining jaw, and the sample attrition crushing that will be fallen into determines jaw and moving jaw plate bottom end
Spacing according to sample granularity needs be adjusted；By the broken sample of level-one fall into level-one reduction device 3 division at
Two parts, a part are fallen directly into sample-discarding hopper 8, and another part is fallen into second level roller pair breaking device 4, according to the matter for the amount of keeping sample
Amount needs to adjust division ratio；In second level roller pair breaking device 4, the sample fallen into is squeezed to rotary motion by two in roller
Broken, two spacing to roller are also adjusted according to granularity needs；Sample after two-stage crushing falls into second level division dress
It sets in 5, second level reduction device 5 is close with 3 structure of level-one reduction device, and function is identical, by the sample of entrance according to quality needs
Division is respectively fallen in the bucket 6 that keeps sample at two parts；Keep sample bucket 6 and 8 bottom of sample-discarding hopper installation static weighing equipment, in real time claim
It measures and shows the weight for falling into sample；The quality shown by comparison Dynamic Weighting equipment 10 and static weighing equipment, judges whole
Whether coal, leakage coal phenomenon are spread during a, and whether equipment blocks, and whether reduction device precision at different levels are qualified.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology changes and retouches made without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (8)
1. a kind of crushing division with automatic weighing system combines sample preparation device, which is characterized in that including crushing division device and
Transmitting device；The crushing division device includes material-falling hopper (1), level-one Taw crushing apparatus (2), level-one reduction device (3), two
Grade roller pair breaking device (4), second level reduction device (5), the bucket (6) that keeps sample, motor (7) and sample-discarding hopper (8), the transmitting device packet
Include motor (7), transmission belt (9), Dynamic Weighting equipment (10), observation window (11) and feed inlet (12)；In crushing division device
In, the material-falling hopper (1), level-one Taw crushing apparatus (2), level-one reduction device (3), second level roller pair breaking device (4), second level
Reduction device (5) and the bucket (6) that keeps sample are sequentially arranged and interconnect from top to bottom, the level-one reduction device (3) also with abandon sample
Struggle against (8) connection, and the motor (7) connect with level-one Taw crushing apparatus (2) and second level roller pair breaking device (4) respectively；It is passing
In defeated device, the transmission belt (9) is in tilted layout, and feed inlet (12) are arranged in the bottom end of transmission belt (9), transmission belt
(9) top is connected to material-falling hopper (1), and the Dynamic Weighting equipment (10) is arranged on transmission belt (9), the observation window
(11) it is arranged in the top of Dynamic Weighting equipment (10), the motor (7) connect with transmission belt (9).
2. the crushing division according to claim 1 with automatic weighing system combines sample preparation device, which is characterized in that broken
In broken reduction device, the level-one Taw crushing apparatus (2) includes moving jaw plate and determines jaw, fixed, the institute that determines jaw
Stating moving jaw plate, jaw does eccentric shaft movement and generates extruding force towards determining.
3. the crushing division according to claim 1 with automatic weighing system combines sample preparation device, which is characterized in that broken
In broken reduction device, the level-one reduction device (3) adjusts the uniform division of the sample of entrance at two parts, and as needed
Division ratio.
4. the crushing division according to claim 1 with automatic weighing system combines sample preparation device, which is characterized in that broken
In broken reduction device, the second level roller pair breaking device (4) include two arrange in opposite directions to roller, the inside sidespin of two pairs of rollers
Turning, generating extruding force for broken sample will be needed to be involved in, and the spacing of two pairs of rollers is adjustable.
5. the crushing division according to claim 1 with automatic weighing system combines sample preparation device, which is characterized in that broken
In broken reduction device, the second level reduction device (5) is identical as the function of level-one reduction device (3), and the sample of entrance is uniform
Division adjusts division ratio at two parts as needed.
6. the crushing division according to claim 1 with automatic weighing system combines sample preparation device, which is characterized in that broken
In broken reduction device, the bucket (6) that keeps sample is provided with 2, and the bottom for the bucket (6) that keeps sample is provided with static weighing equipment, is used for
Weigh and show in real time the quality of sample；The bottom of the sample-discarding hopper (8) is also equipped with static weighing equipment, for weighing in real time
And show the quality of sample.
7. the crushing division according to claim 1 with automatic weighing system combines sample preparation device, which is characterized in that passing
In defeated device, Dynamic Weighting equipment (10) calculates sample dynamic mass by measurement real-time traffic, load and the speed of service,
To real-time monitoring sample pan feeding quality.
8. a kind of work of the crushing division joint sample preparation device as of any of claims 1-7 with automatic weighing system
Make method, which is characterized in that the working method is as follows: opening motor (7), each device starts running, by sample to be prepared
It uniformly pours into feed inlet (12), sample is transmitted to material-falling hopper (1) by transmission belt (9)；When sample passes through Dynamic Weighting equipment
(10) when, Dynamic Weighting equipment (10) calculates the gross mass of sample according to sample real-time traffic, load and the speed of service；?
In transmission process, observation window (11) are opened into observation transmission state as needed, so as to avoid an accident situation；When sample is by transmitting
After belt (9) falls into material-falling hopper (1), sample enters level-one Taw crushing apparatus (2), in the device to determine jaw fixed,
Moving jaw plate carries out eccentric shaft movement towards the direction for determining jaw, and the sample attrition crushing that will be fallen into determines jaw and moving jaw plate bottom end
Spacing is adjusted according to sample granularity needs；By the broken sample of level-one fall into level-one reduction device (3) division at
Two parts, a part are fallen directly into sample-discarding hopper (8), and another part is fallen into second level roller pair breaking device (4), according to the amount of keeping sample
Quality need to adjust division ratio；In second level roller pair breaking device (4), the sample fallen into is transported in roller to rotation by two
Dynamic attrition crushing, two spacing to roller are also adjusted according to granularity needs；Sample after two-stage crushing falls into second level
In reduction device (5), second level reduction device (5) is identical as level-one reduction device (3) function, by the sample of entrance according to quality need
It wants division at two parts, respectively falls in and keep sample in bucket (6)；Keep sample bucket (6) and sample-discarding hopper (8) bottom installation static weighing set
It is standby, it weighs in real time and shows the quality for falling into sample；It is shown by comparison Dynamic Weighting equipment (10) and static weighing equipment
Quality judges coal whether is spread in whole process, leakage coal phenomenon, and whether equipment blocks, and reduction device precision at different levels are
No qualification.
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| CN201811544688.4A CN109856361A (en) | 2018-12-17 | 2018-12-17 | A kind of crushing division joint sample preparation device and working method with automatic weighing system |
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| CN111960059A (en) * | 2020-10-20 | 2020-11-20 | 湖南机电职业技术学院 | Single-bucket conveyor and control method thereof |
| CN112758370A (en) * | 2020-12-24 | 2021-05-07 | 国电汉川发电有限公司 | Coal sample sampling and preparing verification method and system |
| CN113776636A (en) * | 2021-09-15 | 2021-12-10 | 力鸿检验集团有限公司 | Operation method of monitoring device of hybrid splitter |
| CN113776911A (en) * | 2021-09-15 | 2021-12-10 | 镇江市科瑞制样设备有限公司 | Intelligent control method of sampling machine with self-adaptive division opening and speed |
| CN114813284A (en) * | 2022-05-19 | 2022-07-29 | 淮北矿业股份有限公司 | Coal slime sample preparation device and division control method |
| CN115307952A (en) * | 2022-10-11 | 2022-11-08 | 广东广业投资集团有限公司 | Household garbage sampling system and method |
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