CN109720833A - The accurate part flow arrangement of smalls flow on a kind of belt conveyer - Google Patents
The accurate part flow arrangement of smalls flow on a kind of belt conveyer Download PDFInfo
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- CN109720833A CN109720833A CN201910138697.1A CN201910138697A CN109720833A CN 109720833 A CN109720833 A CN 109720833A CN 201910138697 A CN201910138697 A CN 201910138697A CN 109720833 A CN109720833 A CN 109720833A
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- smalls
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- belt conveyer
- coal
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Abstract
The present invention relates to the thermal coal coal washery accurate flow-dividing control fields of smalls belt-conveying machine-made egg-shaped or honey-comb coal briquets flow, it discloses the accurate part flow arrangement of smalls flow on a kind of belt conveyer, the device is by belted electronic balance, flat coal plate, hydraulic shaping slot, the composition such as unloader knife, belted electronic balance real-time detection current belt transporter smalls material conveying capacity, the width of the big minor adjustment hydraulic shaping slot of smalls amount is conveyed according to current belt transporter, convenient for the forming shape to different flow smalls on belt conveyer adhesive tape, simultaneously under the action of flat coal plate, direction in a rectangular shape distribution of the smalls material in adhesive tape cross section, smalls i.e. on belt conveyer is uniformly along adhesive tape cross-sectional distribution, in smalls material transportation in a rectangular shape at unloader knife, since smalls is evenly distributed on belt conveyer adhesive tape after the above process , while unloader knife can do stretching motion along belt conveyer cross section, precisely adjust the smalls flow that unloader knife is unloaded down to realize.
Description
Technical field
The present invention relates to the thermal coal accurate flow-dividing control field of coal washing station-service smalls flow more particularly to a kind of belt-conveyings
The accurate part flow arrangement of smalls flow on machine.
Background technique
Coal washery is the place finished to coal, its main feature is that production technology is complicated and relatively fixed, washing adds
Construction equipment type is more, and continuous production is strong, and as the mechanization of coal mining improves, fine grain coal content is increasingly
Height, while these fine grained coal clay contents are higher, ash content is higher, causes the calorific value of these fine grained coals lower, especially
It is in Coal Preparation Plant, it will usually separately handle the lump coal of bulky grain and fine grain smalls, the lump coal of bulky grain
Into dressing of coal by washing is carried out in lump coal production-process systems, fine grain smalls enters the progress washing of smalls production-process systems and adds
Work, and lump coal production-process systems generally use lump coal shallow slot washing process, and the generally use of smalls production-process systems has pressure
Two product dense medium cyclone washing process, the two cooperation washing go out to meet the power product of coal of customer requirement.
The fluctuation of its raw coal product property is larger in actual production for thermal coal coal washery, and former pit ash is lower sometimes, hair
Heat is higher, and the lump coal of bulky grain becomes after shallow slot dressing of coal by washing and after the mixing of the smalls of non-dressing of coal by washing after screening
Product, the and when calorific value of product can satisfy requirement of the client to power calorific value of coal, thermal coal coal washery is generally for mentioning
High product yield and benefit will not allow smalls to enter in smalls production-process systems, but directly produce with lump coal washing
Born lump coal is mixed into last product.And the smalls of the dressing of coal by washing lump coal come out and non-dressing of coal by washing is mixed
When calorific value is undesirable afterwards, this is just to need smalls to enter having for smalls to press two product dense medium cyclone production-process systems
Middle carry out dressing of coal by washing reduces last pit ash, improves the calorific value of smalls, smalls and dressing of coal by washing after dressing of coal by washing
Lump coal afterwards is mixed into qualified calorific value thermal coal；In the production process of thermal coal coal washery, in order to realize economic interests
It maximizes and product yield maximizes, before lump coal and smalls product mix meet client's calorific value requirement after dressing of coal by washing
It putting, control smalls enters the flow of smalls dressing of coal by washing production system, that is, and meet final product and meets under the requirement of calorific value,
Smalls a part enters smalls dressing of coal by washing production system, and another part does not enter smalls dressing of coal by washing production system, but straight
It connects the lump coal come out with washing and smalls is mixed into last product.
Enter the control of its flow in smalls dressing of coal by washing production system at present generally using two kinds of methods, one kind in smalls
It is to carry out carrying out flow-dividing control to smalls flow using pants chute, the control precision of flow is very low, and bad control, because
Flow is big when passing through chute for smalls, and impact strength is big, and smalls coal stream is unevenly distributed in chute, electric hydraulic flashboard aperture
Once, for smalls changes in flow rate all in tens tons of variation, effect is excessively poor for fine motion；Another is in smalls belt conveyer
On to smalls flow carry out flow-dividing control, use coal unloading device to unload coal smalls, by control coal unloading device in belt-conveying
Height on machine since smalls is distributed in irregular distribution on belt conveyer, and is unloaded coal to control smalls bypass flow
Device is tapered, is split into non-linear relation to smalls, also the bad accurate control to smalls bypass flow.In order to overcome above-mentioned institute
The drawbacks of stating invents the accurate part flow arrangement of smalls flow on a kind of belt conveyer.
Summary of the invention
The present invention in order to overcome the above-mentioned deficiencies of the prior art, provides smalls flow on a kind of belt conveyer and precisely divides
Stream device, reliable and stable, flexible adjustment of the invention, easy to use, high degree of automation, required hardware investment are small.
To achieve the above object, present invention employs following technical measures:
The accurate part flow arrangement of smalls flow on a kind of belt conveyer, it is characterised in that: including by belted electronic balance, flat coal
Plate, hydraulic shaping slot, unloader knife, hydraulic cylinder, displacement detector, smalls shunt feeding inlet, smalls coal stream, belt conveyer
Composition, belted electronic balance real-time detection current belt transporter smalls material conveying capacity convey end according to current belt transporter
The width of the size automatic adjustment hydraulic shaping slot of coal amount, convenient for the molding to different flow smalls on belt conveyer adhesive tape
Shape, while under the action of flat coal plate, smalls material is in the direction distribution in a rectangular shape of adhesive tape cross section, i.e. belt-conveying
Smalls on machine is uniformly along adhesive tape cross-sectional distribution, and consistency of thickness of the smalls coal stream on belt conveyer adhesive tape, with
The difference of coal stream flow on belt conveyer, the size for the smalls coal stream flow that hydraulic shaping slot is detected according to belted electronic balance
Its width is automatically adjusted, is transported at unloader knife in smalls coal stream in a rectangular shape, since smalls is after the above process
It is evenly distributed on belt conveyer adhesive tape, while unloader knife can do stretching motion along belt conveyer cross section, so as to
It precisely realizes and adjusts the smalls flow that unloader knife is unloaded down.
The hydraulic shaping slot and unloader knife are driven by hydraulic cylinder, have displacement detector, and Real-time Feedback is worked as
The position of preceding the hydraulic shaping slot and unloader knife, to realize accurate control smalls bypass flow.
The belt conveyer adhesive tape between the belted electronic balance and the unloader knife makes in horizontally disposed
The adhesive tape for obtaining the belt conveyer is run along the horizontal plane and the smalls coal stream after shaping can be evenly distributed on level
On belt conveyer adhesive tape in plane.
Detailed description of the invention
Fig. 1 is the accurate part flow arrangement schematic diagram of smalls flow on a kind of belt conveyer of the present invention；
Appended drawing reference meaning in figure is as follows:
1-2-displacement detector of hydraulic cylinder
3-4-smalls of unloader knife shunt feeding inlet
5-hydraulic shaping slot 6-smalls coal streams
7-8-belted electronic balances of belt conveyer
9-flat coal plates
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the accurate part flow arrangement of smalls flow on a kind of belt conveyer, it is characterised in that: including by electronics
Weighing belt 8, flat coal plate 9, hydraulic shaping slot 5, unloader knife 3, hydraulic cylinder 1, displacement detector 2, smalls shunt feeding inlet 4,
Smalls coal stream 6, belt conveyer 7 form, and the hydraulic shaping slot 5 and the unloader knife 3 are driven by the hydraulic cylinder 1,
Have the displacement detector 2, the position of Real-time Feedback presently described the hydraulic shaping slot 5 and the unloader knife 3, from
And realize accurate control smalls flow.
Carrying roller of the belt conveyer 7 between the belted electronic balance 8 and the unloader knife 3 is horizontally disposed,
The adhesive tape of the belt conveyer 7 is run along the horizontal plane and the smalls coal stream after shaping is evenly distributed on water
On 7 adhesive tape of the belt conveyer on average face.
The presently described 7 smalls material conveying capacity of belt conveyer of 8 real-time detection of belted electronic balance, according to presently described
Belt conveyer 7 conveys the width of hydraulic shaping slot described in the big minor adjustment of 6 flow of smalls coal stream, convenient for different flow
Forming shape of the smalls on 7 adhesive tape of belt conveyer, while under the action of flat coal plate 9, smalls material is in institute
State the direction distribution in a rectangular shape of 7 adhesive tape cross section of belt conveyer, i.e., the uniform edge of smalls on the described belt conveyer 7
Adhesive tape cross-sectional distribution, and consistency of thickness of the smalls coal stream 6 on 7 adhesive tape of belt conveyer, with the skin
Difference with coal stream flow on transporter 7, the smalls coal that the hydraulic shaping slot 5 is detected according to the belted electronic balance 8
The size for flowing 6 flows automatically adjusts its width, transports at the unloader knife 3 in smalls coal stream in a rectangular shape, due to
Smalls is evenly distributed on 7 adhesive tape of belt conveyer after the above process, while the unloader knife 3 can be along the skin
Stretching motion is done in band 7 cross section of transporter, and the unloader knife 3, can be uniformly by the belt by adjusting the flexible of scraper
Under material scraper on transporter 7, the material scraped shunts feeding inlet 4 by the smalls and enters next stage belt conveyer
On, the smalls coal stream flow that unloader knife 3 described in the belted electronic balance Real-time Feedback by next stage belt conveyer is shunted,
It when the smalls coal stream flow that the unloader knife 3 is shunted is less than required flow, adjusts and extends the unloader knife 3, increase
Smalls coal stream bypass flow；When the smalls coal stream flow that the unloader knife 3 is shunted is less than required flow, adjust described in elongation
Unloader knife 3 increases smalls coal stream bypass flow, if the smalls coal stream flow that the unloader knife 3 is shunted is greater than required stream
When amount, adjusts and shorten the unloader knife 3, smaller smalls coal stream bypass flow, until the smalls that the unloader knife 3 is shunted
Coal stream flow is equal to required flow, completes smalls coal flow point stream self-regulating process, unloads to precisely realize and adjust unloader knife
The smalls flow to get off.
Claims (2)
1. the accurate part flow arrangement of smalls flow on a kind of belt conveyer, it is characterised in that: including by belted electronic balance, flat coal
Plate, hydraulic shaping slot, unloader knife, hydraulic cylinder, displacement detector, smalls shunt feeding inlet, smalls coal stream, belt conveyer
Composition, belted electronic balance real-time detection current belt transporter smalls material conveying capacity convey end according to current belt transporter
The width of the size automatic adjustment hydraulic shaping slot of coal amount, convenient for the molding to different flow smalls on belt conveyer adhesive tape
Shape, while under the action of flat coal plate, smalls material is in the direction distribution in a rectangular shape of adhesive tape cross section, i.e. belt-conveying
Smalls on machine is uniformly along adhesive tape cross-sectional distribution, and consistency of thickness of the smalls coal stream on belt conveyer adhesive tape, with
The difference of coal stream flow on belt conveyer, the size for the smalls coal stream flow that hydraulic shaping slot is detected according to belted electronic balance
Its width is automatically adjusted, is transported at unloader knife in smalls coal stream in a rectangular shape, since smalls is after the above process
It is evenly distributed on belt conveyer adhesive tape, while unloader knife can do stretching motion along belt conveyer cross section, so as to
It precisely realizes and adjusts the smalls flow that unloader knife is unloaded down.
2. the accurate part flow arrangement of smalls flow on a kind of belt conveyer as described in claim 1, it is characterised in that: the liquid
Repoussage shape slot and unloader knife are driven by hydraulic cylinder, have displacement detector, the presently described hydraulic shaping of Real-time Feedback
The position of slot and unloader knife, to realize accurate control smalls bypass flow；Positioned at the belted electronic balance and the discharging
The belt conveyer adhesive tape between scraper in horizontally disposed so that the adhesive tape of the belt conveyer run along the horizontal plane with
And the smalls coal stream after shaping can be uniformly distributed on belt conveyer adhesive tape on the horizontal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138697.1A CN109720833A (en) | 2019-02-25 | 2019-02-25 | The accurate part flow arrangement of smalls flow on a kind of belt conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138697.1A CN109720833A (en) | 2019-02-25 | 2019-02-25 | The accurate part flow arrangement of smalls flow on a kind of belt conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109720833A true CN109720833A (en) | 2019-05-07 |
Family
ID=66300674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910138697.1A Withdrawn CN109720833A (en) | 2019-02-25 | 2019-02-25 | The accurate part flow arrangement of smalls flow on a kind of belt conveyer |
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| Country | Link |
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| CN (1) | CN109720833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153012A (en) * | 2019-06-21 | 2019-08-23 | 江苏安全技术职业学院 | A kind of coal distributing device |
| CN112193729A (en) * | 2020-11-06 | 2021-01-08 | 杨洪占 | Coal seam thickness regulating and controlling device of clean coal online ash meter |
| CN114671192A (en) * | 2022-04-02 | 2022-06-28 | 国能珠海港务有限公司 | Conveyor belt device |
-
2019
- 2019-02-25 CN CN201910138697.1A patent/CN109720833A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153012A (en) * | 2019-06-21 | 2019-08-23 | 江苏安全技术职业学院 | A kind of coal distributing device |
| CN110153012B (en) * | 2019-06-21 | 2020-09-01 | 江苏安全技术职业学院 | Coal distributing device |
| CN112193729A (en) * | 2020-11-06 | 2021-01-08 | 杨洪占 | Coal seam thickness regulating and controlling device of clean coal online ash meter |
| CN114671192A (en) * | 2022-04-02 | 2022-06-28 | 国能珠海港务有限公司 | Conveyor belt device |
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Application publication date: 20190507 |