CN209132034U - A kind of multi-channel sampling system - Google Patents
A kind of multi-channel sampling system Download PDFInfo
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- CN209132034U CN209132034U CN201822045236.3U CN201822045236U CN209132034U CN 209132034 U CN209132034 U CN 209132034U CN 201822045236 U CN201822045236 U CN 201822045236U CN 209132034 U CN209132034 U CN 209132034U
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Abstract
The utility model provides a kind of multi-channel sampling system, and two groups of sampling heads are at least arranged, independently extract coal sample from main coal conveyer belt；Dry coal sample and wet coal sample are sent out from the different location of two-way feeding belt respectively, coal sample is received and is conveyed by level-one division belt, the dry coal sample conveyed by first-order reduction unit division from first end, the wet coal sample conveyed by big moisture reduction device division from second end, division is realized according to the humidity of coal sample, avoids the problem that single reduction device blocks；Dry coal sample is transported to uniform distribution belt by first-order reduction unit, by entering second level reduction device after uniform distribution belt uniform distribution, and carries out secondary division.The combination that the utility model passes through the components such as sampling head, two-way feeding belt, first-order reduction unit and big moisture reduction device, second level reduction device; form different coal sample conveying circuits; an only coal sample conveying circuit job; it can switch to different coal sample conveying circuits when blocking; plugged line is repaired, failure is avoided to shut down.
Description
Technical field
The utility model relates to coal samling technical fields, further relate to a kind of multi-channel sampling system.
Background technique
The large band conveyer that harbour uses loads and unloads coal charge, needs to take coal sample in coal charge transmission process, chemically examines coal
The calorific value of sample judges coal charge quality, as clearing foundation；The usual water content of the coal charge at harbour is higher, and viscosity is larger, is easily sticked to
It causes to block at the transfer passage of Sampling Machine, maintenance down, while the conveying of normal conveying coal charge is needed once obstruction occurs
Belt is also required to shut down, and otherwise can not detect coal sample quality, can not be settled accounts.
GangWu Co., Ltd requires coal quality after forward shipment, and shown time and quantity avoid ship after falling that from can not leaving the port, cause huge
Economic loss, influence other turn rounds；Coal is loaded similarly, for train, there is also the same problems for Sampling belt,
Train cannot be parked on rail for a long time；Traditional sampling system once breaking down can not normal sample, and then bring one
Series influences.
For those skilled in the art, how to solve the problems, such as that sampling system obstruction causes to shut down, be to need at present
Technical problems to be solved.
Utility model content
The utility model provides a kind of multi-channel sampling system, in sampling process by switch coal sample conveying circuit avoid because
Disorderly closedown guarantees that production is continuous, and concrete scheme is as follows:
A kind of multi-channel sampling system, comprising:
Sampling head is at least arranged two groups, independently extracts coal sample from main coal conveyer belt；
Two-way feeding belt is accepted the coal sample of sampling head conveying, is rotated and reverse according to the humidity of coal sample, from the
One end conveys dry coal sample, conveys wet coal sample from second end；
Level-one division belt is received and is conveyed by the coal sample of the two-way feeding Belt Conveying；The level-one division belt
Upper setting first-order reduction unit and big moisture reduction device, the first-order reduction unit are used for the dry coal sample that division is conveyed from first end, institute
It states big moisture reduction device and conveys wet coal sample from second end for division；
Uniform distribution belt, for receiving the coal sample of the first-order reduction unit conveying；It is arranged on the uniform distribution belt
Second level reduction device.
Optionally, further include abandoning for receiving the rejected material of the level-one division belt, the uniform distribution Belt Conveying
Material transhipment belt.
Optionally, the level-one division belt Unidirectional, the lateral position of the first-order reduction unit are set to described double
To before feeding belt second end, the big moisture reduction device is set to after second end.
Optionally, threeway elephant trunk is arranged in the end of the level-one division belt, and the threeway elephant trunk is used for the level-one
The rejected material of division belt is transported to the rejected material transhipment belt or rejected material trolley.
Optionally, setting is double without sieve on the elephant trunk between the two-way feeding belt first end and the level-one division belt
Hammer crusher into shape；Setting is without sieve crusher on elephant trunk between the two-way feeding belt second end and the level-one division belt.
Optionally, physics chain reduction device is set on the two-way feeding belt.
Optionally, the sampling head passes through bilateral elephant trunk to the two-way feeding Belt Conveying coal sample, the bilateral elephant trunk
The coal sample of the different sampling heads is merged into conveying.
Optionally, the coal charge of the second level reduction device conveying is encapsulated by automatic-packaging.
Optionally, the rejected material transhipment belt connects bucket elevator, and the rejected material is transported skin by the bucket elevator
Rejected material with conveying is promoted to the main coal conveyer belt.
Optionally, the rejected material transhipment belt connects air-transport system, and the air-transport system turns the rejected material
The rejected material for transporting Belt Conveying passes through gas lift to the main coal conveyer belt.
The utility model provides a kind of multi-channel sampling system, and two groups of sampling heads are at least arranged, and every group of sampling head difference is only
It stands and extracts coal sample from main coal conveyer belt, only with one group of sampling head in normal sampling process, enable another group if being blocked
Sampling head；Two-way feeding belt accepts the coal sample of sampling head conveying, is rotated and reverse according to the humidity of coal sample, defeated from first end
Dry coal sample is sent, conveys wet coal sample from second end, dry coal sample and wet coal sample are sent out from the different location of two-way feeding belt respectively；Coal
Sample is received and is conveyed by level-one division belt, the dry coal sample conveyed by first-order reduction unit division from first end, by big moisture division
The wet coal sample that device division is conveyed from second end realizes division according to the humidity of coal sample, single reduction device is avoided to occur blocking
Problem；Dry coal sample is transported to uniform distribution belt by first-order reduction unit, by entering second level after uniform distribution belt uniform distribution
Reduction device, and secondary division is carried out, guarantee the representativeness of coal sample.The utility model passes through different sampling heads, two-way feeding skin
Combination with the components such as different conveying directions, first-order reduction unit and big moisture reduction device, second level reduction device, forms different coals
Sample conveying circuit, the course of work only have a coal sample conveying circuit job, can switch to different coal sample conveyings when blocking
Route repairs the route of blocking, failure is avoided to shut down.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Figure 1A is the structure chart that multi-channel sampling system provided by the utility model uses bucket elevator；
Figure 1B is that the corresponding coal sample of Figure 1A conveys flow chart；
Fig. 2A is the structure chart that multi-channel sampling system provided by the utility model uses air-transport system；
Fig. 2 B is that the corresponding coal sample of Fig. 2A conveys flow chart.
Include: in figure
Sampling head 1, bilateral elephant trunk 11, two-way feeding belt 2, without sieve double hammer crushers 21, without sieve crusher 22, physics chain
Reduction device 23, level-one division belt 3, first-order reduction unit 31, big moisture reduction device 32, threeway elephant trunk 33, rejected material trolley 34,
Even distributing belt 4, second level reduction device 41, automatic-packaging 42, rejected material transport belt 5, bucket elevator 6, air-transport system
7, feed head 71, rotating feeder 72, accelerating chamber 73, roots blower 74, tracheae 75, spherical elbow 76, discharging bin 77, deduster
78。
Specific embodiment
The core of the utility model is to provide a kind of multi-channel sampling system, be conveyed in sampling process by switching coal sample
Route avoids guaranteeing that production is continuous because of disorderly closedown.
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing and
Explanation is described in detail to the multi-channel sampling system of the utility model in specific embodiment.
As shown in Figure 1A and Fig. 2A, two kinds of multi-channel sampling system different embodiments respectively provided by the utility model
Structure chart, including structures such as sampling head 1, two-way feeding belt 2, level-one division belt 3, uniform distribution belts 4, wherein adopting
Sample head 1 is at least arranged two groups, and each group sampling head 1 is arranged along the conveying direction of main conveyor belt, can carry out in different positions
Sampling, and two groups of sampling heads 1 work independently from each other, and independently extract coal sample from main coal conveyer belt, only one when sampling
The group work sampling of sampling head 1, other sampling heads are remained turned-off, are replaced when the sampling head of normal work breaks down different
Sampling head overhauls the sampling head of failure, and the sampling head for individually stopping failure, others sampling are only needed in maintenance
It is unaffected, normal sample can be continued, guarantee that production is carried out continuously.
Two-way feeding belt 2 receives the coal sample that sampling head 1 is taken, and is rotated and reverse according to the humidity of coal sample, two-way to give
Expect from different end output coal samples during belt 2 rotates and reverse, according to the different from different ends of coal sample humidity
Coal sample is exported, conveys dry coal sample from first end, conveys wet coal sample from second end；The controller of two-way feeding belt 2 is connected to coal
Expect humidity detection system, can real-time detection coal charge humidity, when humidity is less than preset value, by dry coal material from two-way feeding skin
First end with 2 is discharged；When humidity is greater than preset value, two-way feeding belt 2 is inverted, by wet coal charge from two-way feeding belt 2
Second end discharge.Different humidity determines the different transportation route of coal sample, and the biggish coal sample viscosity of humidity is higher, separating dry space from moist space
Wet coal sample can be effectively prevented to occur to glue glutinous result in blockage.
Level-one division belt 3 receives and conveys the coal sample conveyed by two-way feeding belt 2；It is arranged on level-one division belt 3
Different positions is arranged in first-order reduction unit 31 and big moisture reduction device 32, different reduction devices, to the coal sample of different humidity into
Row division.When dry coal sample is exported from the first end of two-way feeding belt 2, dry coal sample is transported at first-order reduction unit 31, by
31 division dry coal sample of first-order reduction unit；When wet coal sample is exported from the second end of two-way feeding belt 2, by big moisture reduction device 32
The coal sample of the wet coal sample of division, different humidity is conveyed from different routes, can be prevented the biggish coal sample of humidity from viscous stick occur and be caused to block up
Plug, once and some reduction device block, another reduction device can be switched to, still guarantee normally to sample, cleaning is stifled in time
The reduction device of plug.
Wet coal sample enters flood after big moisture reduction device 32 and divides in sample splicing bucket, by manually making further sample preparation work
Make；Dry coal sample enters uniform distribution belt 4 after first-order reduction unit 31, and the coal sample after level-one division is evenly distributed in uniformly
In distributing belt 4, by entering second level reduction device 41 after 4 uniform distribution of uniform distribution belt, and secondary division is carried out, it is ensured that division
The representativeness of coal sample afterwards.
The utility model passes through the different conveying direction of different sampling heads 1, two-way feeding belt 2, first-order reduction unit 31
With the combination of the components such as big moisture reduction device 32, second level reduction device 41, different coal sample conveying circuits, the pipeline of coal sample are formed
Not only one, road, the course of work only have a coal sample conveying circuit job, can switch to different coal sample conveyings when blocking
Route repairs the route of blocking, and sampling process is normally carried out, and failure is avoided to shut down.
On the basis of above scheme, the utility model further includes for receiving level-one division belt 3, uniform distribution belt
The rejected material of the rejected materials of 4 conveyings transports belt 5, by after first-order reduction unit 31, the sampling of big moisture reduction device 32, second level reduction device 41 contracts
After point, still there are the coal charge used is largely no longer sampled, the rejected material of level-one division belt 3 and uniform distribution belt 4 conveys jointly
It is transported through to rejected material transhipment belt 5, the rejected material of level-one division belt 3 and uniform distribution belt 4 passes through the elephant trunk being accordingly arranged
Structure is transported to rejected material transhipment belt 5, is conducive to simplify structure.
Preferably, 3 Unidirectional of level-one division belt in the utility model, from the first end of two-way feeding belt 2 and
The coal sample of second end conveying is conveyed to same direction, and the left end of two-way feeding belt 2 is first end, right end in Figure 1A and Fig. 2A
It for second end, falls naturally under gravity when coal sample is transported to end, level-one is reached by corresponding elephant trunk structure
Division belt 3.
Due to the arrangement form using Unidirectional, in order to avoid wet coal sample impacts dry coal sample, first-order reduction unit
31 lateral position is set to before 2 second end of two-way feeding belt, and dry coal material first reaches first-order reduction unit 31 and carries out division, then
The vertical projection of position namely first-order reduction unit 31 by second end blanking is between the first end and a second end；Big moisture contracting
Device 32 is divided to be set to after second end, wet coal sample only passes through big moisture reduction device 32, by big moisture without first-order reduction unit 31
Rejected material after reduction device 32 samples exports level-one division belt 3, and as shown in Figure 1A and Fig. 2A, big moisture reduction device 32 is arranged in the
The right side at two ends blanking position.By unidirectional arrangement form, 31 position of first-order reduction unit is more compact, and it is whole to reduce system
Volume, the form of Double-directional rotary is not precluded in the utility model.
Further, threeway elephant trunk 33 is arranged in the end of level-one division belt 3 in the utility model, and threeway elephant trunk 33 is controllable
The opening and closing of itself pipeline is made, the rejected material of level-one division belt 3 is transported to rejected material transhipment belt 5 or rejected material hand push by threeway elephant trunk 33
Vehicle 34, when each component works well, the pipeline that threeway elephant trunk 33 is connect with rejected material transhipment belt 5 is connected to, and rejected material is transported to
Rejected material is transported belt 5 and is exported automatically；When rejected material transhipment belt 5 breaks down, threeway elephant trunk 33 is connect with rejected material trolley 34
Pipeline connection, rejected material is transported to rejected material trolley 34, by manually shifting rejected material；Prevent because rejected material transport belt 5 occur therefore
Barrier causes sampling to stop.
Setting is without the double hammer crushers 21 of sieve, benefit on elephant trunk between 2 first end of two-way feeding belt and level-one division belt 3
Double crushing is carried out with without the double hammer crushers 21 of sieve, dry coal sample is broken into lesser particle；2 second end of two-way feeding belt with
Without sieve crusher 22, wet coal sample do not need to be broken for lesser particle for setting on elephant trunk between level-one division belt 3, avoids
The too small viscosity increase of grain results in blockage, thus broken using carrying out without sieve crusher 22.
In order to meet more sampling requirements, physics chain reduction device 23 is set on two-way feeding belt 2, in coal sample reduction
Division processing is carried out before, obtains the coal sample of reset condition, meets the needs of to grain size analysis.
Sampling head 1 in the utility model conveys coal sample, bilateral elephant trunk 11 to two-way feeding belt 2 by bilateral elephant trunk 11
In Y type, Liang Ge branch is separately connected two different sampling heads 1, reaches two-way feeding skin after the coal sample mixing in Liang Ge branch
The coal sample of different sampling heads 1 is merged conveying, achievees the purpose that simplified structure by band 2, bilateral elephant trunk 11.
Second level reduction device 41 connects automatic-packaging 42, and the coal charge conveyed from second level reduction device 41 is by 42 envelope of automatic-packaging
Dress is not necessarily to artificial encapsulation sample preparation for dry coal sample.
It is defeated using bucket elevator 6 as shown in Figure 1A on the basis of any of the above-described technical solution and its intercombination
The structure of rejected material is sent, rejected material transports belt 5 and connects bucket elevator 6, the abandoning that bucket elevator 6 conveys rejected material transhipment belt 5
Material is promoted to main coal conveyer belt, continues to transport as coal charge；Bucket elevator 6 includes driving roller and conveyer belt, conveyer belt by
It drives roller to drive rotation, multiple receiving hoppers is installed on conveyer belt, by rejected material from lower downward transport, from bucket elevator top
The elephant trunk of setting is discharged on main coal conveyer belt.
On the basis of any of the above-described technical solution and its intercombination, as shown in Figure 2 A, to utilize air-transport system 7
The structure of rejected material is conveyed, rejected material transports belt 5 and connects air-transport system 7, drives using air-flow and conveys rejected material transhipment belt 5
Rejected material by gas lift to main coal conveyer belt.The rejected material being discharged from rejected material transhipment belt 5 enters feed head 71, supplies in rotation
It is fed under the action of material machine 72, into accelerating chamber 73, drives the rejected material in accelerating chamber 73 using roots blower 74, transported along tracheae 75
It is dynamic, and main coal conveyer belt is reached after the discharge of discharging bin 77, in discharging bin 77 into the discharging bin 77 of taper from spherical elbow 76
Upper setting deduster 78 is dusted.
It as shown in Figure 1B, is the work flow diagram of Figure 1A corresponding embodiment, the arrow in Figure 1A indicates the conveying of wet coal sample
Route, the present embodiment with temperature whether 22% for boundary judge dry coal sample and wet coal sample；80 are taken by the sampling head 1 in left side~
The coal sample of 170kg reaches two-way feeding belt 2 by bilateral elephant trunk 2, judges whether moisture content is more than preset value, if moisture
Greater than 22%, wet coal sample is discharged from the second end of two-way feeding belt 2, by being crushed without sieve crusher 22, keeps average particle size small
In or equal to 25mm, level-one division belt 3 is reached, and enter in big moisture sample splicing bucket by big moisture reduction device 32 and save.
If moisture is less than or equal to 22%, then judges whether to need to take grain size analysis, if desired take grain size analysis, utilizes
Physics chain reduction device 23 takes granularity sample from two-way feeding belt 2, and individually saves；If not needing to take granularity sample, dry coal sample
It is discharged from the first end of two-way feeding belt 2, by being crushed without the double hammer crushers 21 of sieve, is less than or equal to average particle size
Whether all 13mm reaches level-one division belt 3, judge the normal namely level-one division of level-one division belt each component below
Device 31, uniform distribution belt 4, second level reduction device 41, rejected material transport belt 5, automatic-packaging 42, bucket elevator 6, each elephant trunk
Whole fault-frees, if having one it is abnormal, by big moisture reduction device 32 enter big moisture sample splicing bucket in save；If all
Normally, then 20kg level-one is kept sample by first-order reduction unit 31 and is sent to uniform distribution belt 4, and take 1 via second level reduction device 41
~1.2kg second level keeps sample, and send to automatic-packaging 42 and completes to encapsulate；Whether all to judge rejected material transhipment belt and bucket elevator
Normally, if there is a failure, the big moisture level-one being discharged from level-one division belt 3 abandons sample, level-one abandons sample from threeway elephant trunk
Into rejected material trolley 34；If rejected material transports belt and bucket elevator is all normal, from the flood of the discharge of level-one division belt 3
Point level-one abandons sample, level-one abandons sample and the second level of uniform distribution belt 4 is abandoned sample and sent to rejected material and transports belt 5, and passes through bucket type
Elevator sends main coal conveyer belt back to again.
It as shown in Figure 2 B, is the work flow diagram of Fig. 2A corresponding embodiment, the arrow in Fig. 2A indicates the conveying of dry coal sample
Route, the present embodiment with temperature whether 22% for boundary judge dry coal sample and wet coal sample；Rejected material transport belt 5 before process with
Flow velocity is identical in Figure 1B, if being discharged from level-one division belt 3 big if rejected material transhipment belt and air-transport system are all normal
Moisture level-one abandons sample, level-one abandons sample and the second level of uniform distribution belt 4 is abandoned sample and sent to rejected material transhipment belt 5, and passes through gas
Power transportation system sends main coal conveyer belt back to again.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice, can realize in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of multi-channel sampling system characterized by comprising
Sampling head (1), is at least arranged two groups, independently extracts coal sample from main coal conveyer belt；
Two-way feeding belt (2) is accepted the coal sample of the sampling head (1) conveying, is rotated and reverse according to the humidity of coal sample, from
First end conveys dry coal sample, conveys wet coal sample from second end；
Level-one division belt (3) receives and conveys the coal sample conveyed by the two-way feeding belt (2)；The level-one division skin
First-order reduction unit (31) and big moisture reduction device (32) are set on band (3), and the first-order reduction unit (31) is used for division from first
The dry coal sample of conveying is held, the big moisture reduction device (32) conveys wet coal sample from second end for division；
Uniform distribution belt (4), for receiving the coal sample of the first-order reduction unit (31) conveying；The uniform distribution belt (4)
Upper setting second level reduction device (41).
2. multi-channel sampling system according to claim 1, which is characterized in that further include for receiving the level-one division
The rejected material for the rejected material that belt (3), the uniform distribution belt (4) convey transports belt (5).
3. multi-channel sampling system according to claim 2, which is characterized in that the level-one division belt (3) is unidirectionally transported
Turn, the lateral position of the first-order reduction unit (31) is set to before two-way feeding belt (2) second end, the big moisture
Reduction device (32) is set to after second end.
4. multi-channel sampling system according to claim 3, which is characterized in that the end of the level-one division belt (3)
It is arranged threeway elephant trunk (33), the threeway elephant trunk (33) is used to the rejected material of the level-one division belt (3) being transported to the abandoning
Material transhipment belt (5) or rejected material trolley (34).
5. multi-channel sampling system according to claim 2, which is characterized in that two-way feeding belt (2) first end
Setting is without the double hammer crushers (21) of sieve on elephant trunk between the level-one division belt (3)；The two-way feeding belt (2)
Setting is without sieve crusher (22) on elephant trunk between two ends and the level-one division belt (3).
6. multi-channel sampling system according to claim 5, which is characterized in that be arranged on the two-way feeding belt (2)
Physics chain reduction device (23).
7. multi-channel sampling system according to claim 2, which is characterized in that the sampling head (1) passes through bilateral elephant trunk
(11) Xiang Suoshu two-way feeding belt (2) conveys coal sample, and the bilateral elephant trunk (11) is by the coal sample of the different sampling heads (1)
Merge conveying.
8. multi-channel sampling system according to claim 2, which is characterized in that the coal of second level reduction device (41) conveying
Material is encapsulated by automatic-packaging (42).
9. according to the described in any item multi-channel sampling systems of claim 2 to 8, which is characterized in that the rejected material transports belt
(5) bucket elevator (6) are connected, the rejected material that rejected material transhipment belt (5) conveys is promoted to institute by the bucket elevator (6)
State main coal conveyer belt.
10. according to the described in any item multi-channel sampling systems of claim 2 to 8, which is characterized in that the rejected material transports belt
(5) air-transport system (7) are connected, the air-transport system (7) passes through the rejected material that rejected material transhipment belt (5) conveys
Gas lift is to the main coal conveyer belt.
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| CN201822045236.3U CN209132034U (en) | 2018-12-06 | 2018-12-06 | A kind of multi-channel sampling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387396A (en) * | 2018-12-06 | 2019-02-26 | 长沙开元仪器有限公司 | A kind of multi-channel sampling system |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387396A (en) * | 2018-12-06 | 2019-02-26 | 长沙开元仪器有限公司 | A kind of multi-channel sampling system |
| CN109387396B (en) * | 2018-12-06 | 2024-05-24 | 长沙开元仪器有限公司 | Multichannel sampling system |
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