CN109607119A - A kind of on-line automatic mixed coal accurate adjusting device - Google Patents
A kind of on-line automatic mixed coal accurate adjusting device Download PDFInfo
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- CN109607119A CN109607119A CN201910096528.6A CN201910096528A CN109607119A CN 109607119 A CN109607119 A CN 109607119A CN 201910096528 A CN201910096528 A CN 201910096528A CN 109607119 A CN109607119 A CN 109607119A
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- coal
- flashboard
- mixed coal
- coal bunker
- bunker
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/04—Control devices, e.g. for safety, warning or fault-correcting detecting slip between driving element and load-carrier, e.g. for interrupting the drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
- B65G2203/0291—Speed of the load carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a kind of on-line automatic mixed coal accurate adjusting devices, including mixed coal bunker, in mixed coal bunker lower part, coal outlet is provided with flashboard, and the flashboard is mounted on mating electric operator, and matched actuating mechanism is connected with open position feedback transducer by conducting wire；Electricity vibration feeder is provided on the downside of the flashboard, electricity vibration feeder is provided with power motor, and the power motor is frequency conversion drive, is provided with feeder frequency converter；It is provided with conveyor belt on the downside of electricity vibration feeder, conveyor belt is sleeved on live-roller, and conveyor belt is provided with deviation detecting device, stall detection device, pull switch by conducting wire；The mixture coal bunker is provided with multiple, and each mixture coal bunker is provided with a weighing belt, and weighing belt is arranged in conveyor belt, is aligned with mixed coal bunker coal outlet；Matched actuating mechanism, open position feedback transducer, feeder frequency converter, deviation detecting device, stall detection device are both connected in PLC control cabinet.
Description
Technical field
The present invention relates to coal preparation plant's Coal Blending Technology field, specially a kind of on-line automatic mixed coal accurate adjusting device.
Background technique
The coal for itself belonging to variety classes and quality is exactly screened and is mixed, according to tight by the concept of so-called coal blending
The ratio of lattice is processed and is made, and is eventually become coal-forming and is sold or applied.Such method not only can effective benefit
With natural coal resources, while the quality with coal can also be improved, meet requirement of all types of user to coal, saved cost
Investment, better economic benefit can be obtained.
Traditional coal blending calculates mainly artificial progress, in recent years with the development of computer technology, software technology, people
Software is written in fixed coal blending calculation method, easily fast realizes that coal blending calculates analysis with computer technology.Either pass
The artificial calculating coal blending or computer software intelligence coal blending of system, are directed to the accurate adjusting of coal blending flow, and coal flow is adjusted
The unstable ratio for directly affecting each coal impacts the quality with product of coal.Online coal blending flow control is simple at present
By the aperture or electricity vibration feeder frequency for adjusting feeder plate, in adjustment process, coal flowed fluctuation is big, adjustment process is long,
Coal blending quality is difficult to ensure during this.
Summary of the invention
The purpose of the present invention is to provide a kind of on-line automatic mixed coal accurate adjusting devices, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of on-line automatic mixed coal accurate adjusting device,
Including mixed coal bunker, PLC control cabinet, in mixed coal bunker lower part, coal outlet is provided with flashboard, and the flashboard is mounted on mating electronic
In executing agency, mating electric operator is connected with open position feedback transducer, mating electric operator by conducting wire
It is driven by motor；Electricity vibration feeder is provided on the downside of the flashboard, electricity vibration feeder is provided with power motor, the power motor
For frequency conversion drive, it is provided with feeder frequency converter；It is provided with conveyor belt on the downside of electricity vibration feeder, conveyor belt is sleeved on biography
On dynamic roller, conveyor belt is provided with deviation detecting device, stall detection device, pull switch by conducting wire；The mixture coal bunker
It is provided with multiple, each mixture coal bunker is provided with a weighing belt, and weighing belt is arranged in conveyor belt, with going out for mixed coal bunker
The alignment of coal mouth；The mating electric operator, open position feedback transducer, power motor, feeder frequency converter, sideslip inspection
Survey device, stall detection device is both connected in PLC control cabinet.
Preferably, it is 30Hz-50Hz that the feeder frequency converter work, which adjusts segment,.
Preferably, the mating electric operator drives ram movement gear to be provided with four gears, respectively 25%,
50%, 75%, 100%.
Preferably, mixed coal bunker to coal flow with to coal flashboard aperture it is in a linear relationship, to coal flashboard aperture gear calculate
Formula are as follows:Wherein LT is switch position, QSPIt is mixed coal bunker to coal
Flow, QmaxCoal total flow is given for mixed coal bunker.
Preferably, the electricity vibration feeder working frequency calculation formula is VFn=VFPn+VFIn(30≤VFn≤ 50), whereinVFnFor electricity vibration feeder frequency setting value, VFPnFor proportional output valve,
VFInFor integral term output valve, KC is loop gain, and TS is the loops sample time, and TI is contour integration time, QSPnMatch for setting
Coal flow, QPVnThe current coal bunker coal flow, the integral entry value of the upper sampling instant of MX.
Preferably, it is 0.5s that the KC value range, which is 1.5~3, TS value range, and TI value range is 5~10s.
It preferably, is more than S when there is VFn=Hz the or VFn=Hz duration, mating electric operator control flashboard turns
It is dynamic to be adjusted；The calculation formula of adjustment is as follows:Wherein LT is flashboard switch position, and Δ LT is
Flashboard switch-mode regulation gear.
Compared with prior art, it the beneficial effects of the present invention are: the present invention sets a PLC control cabinet by device, is used for
The detection of each coal bunker coal output, flashboard Measuring opening, the control of flashboard aperture, the control of electricity vibration feeder frequency, mixed coal convey skin
Control and safeguard protection, the alarm of band make each controllable section of coal bunker coal output, relatively artificial more accurate, and speed is fast, out
Coal undulate quantity is few.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is control program flow diagram of the invention；
Figure label: 1, mixed coal bunker；2, mating electric operator；3, open position feedback transducer；4, power electric
Machine；5, feeder frequency converter；6, conveyor belt；7, deviation detecting device；8, stall detection device；9, pull switch；10, belt
Scale；11, PLC control cabinet.
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.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of on-line automatic mixed coal accurate adjusting device, packet
Mixed coal bunker 1, PLC control cabinet 11 are included, mixed 1 lower part coal outlet of coal bunker is provided with flashboard, the flashboard is mounted on mating electricity
In dynamic executing agency 2, mating electric operator 2 is connected with open position feedback transducer 3, mating electronic execution by conducting wire
Mechanism 2 is driven by motor；Electricity vibration feeder is provided on the downside of the flashboard, electricity vibration feeder is provided with power motor 4, described dynamic
Force motor 4 is frequency conversion drive, is provided with feeder frequency converter 5；It is provided with conveyor belt 6 on the downside of electricity vibration feeder, conveys skin
Band 6 is sleeved on live-roller, and conveyor belt 6 is provided with deviation detecting device 7, stall detection device 8, pull switch by conducting wire
9；The mixture coal bunker 1 is provided with multiple, and each mixture coal bunker 1 is provided with a weighing belt 10, and the setting of weighing belt 10 is conveying
On belt 6, it is aligned with the coal outlet of mixed coal bunker 1；The mating electric operator 2, moves open position feedback transducer 3
Force motor 4, feeder frequency converter 5, deviation detecting device 7, stall detection device 8 are both connected in PLC control cabinet 11.
Further, it is 30Hz-50Hz that the work of feeder frequency converter 5, which adjusts segment,.
Further, the mating electric operator 2 drives ram movement gear to be provided with four gears, respectively 25%,
50%, 75,100%.
Further, mixed coal bunker 1 to coal flow with it is in a linear relationship to coal flashboard aperture, to coal flashboard aperture gear meter
Calculate formula are as follows:Wherein LT is switch position, QSPIt is given for mixed coal bunker 1
Coal flow, QmaxCoal total flow is given for mixed coal bunker 1.
Further, the electricity vibration feeder working frequency calculation formula is VFn=VFPn+VFIn(30≤VFn≤ 50),
InVFnFor electricity vibration feeder frequency setting value, VFPnFor proportional output valve,
VFInFor integral term output valve, KC is loop gain, and TS is the loops sample time, and TI is contour integration time, QSPnMatch for setting
Coal flow, QPVnThe current coal bunker coal flow, the integral entry value of the upper sampling instant of MX.
Further, it is 0.5s that the KC value range, which is 1.5~3, TS value range, and TI value range is 5~10s.
It further, is more than 10S, mating electric operator 2 when there is VFn=30Hz the or VFn=50Hz duration
Control gate rotation is adjusted；The calculation formula of adjustment is as follows:Wherein LT is flashboard switch position, and Δ LT is
Flashboard switch-mode regulation gear.
Working principle: being provided with coal in mixed coal bunker 1, coal outlet is arranged in lower part, and coal outlet has gate closing, and gate is logical
The mating control of electric operator 2 rotation radian is crossed, while open position feedback transducer 3 is set and detects gatage degree；
Coal is fallen on electricity vibration feeder, is worked via electricity vibration feeder power motor 4, falls in the transport of conveyor belt 6 to designated position；
Conveyor belt 6 is provided with deviation detecting device 7 simultaneously, stall detection device 8 guarantees the normal work of belt.
Mixed coal bunker 1 be provided with it is multiple, it is in the following description, clear in order to state, different mixed coal bunkers 1 is distinguished
Its workflow is described in detail for 2# in as 1#, 2# and 3#.
Assuming that the instruction of artificial coal blending or computer software intelligence Coal Blending System to the present apparatus are as follows: 1# mixture coal bunker coal-blending stream
Amount is QSP1, 2# mixture coal bunker coal-blending flow is QSP2, 3# mixture coal bunker coal-blending flow is QSP3, coal blending total amount is M1.3# mixture coal
The storehouse accurate regulative mode of coal blending flow is identical as 2#, and only the 2# mixture coal bunker flow that produces coal precisely is adjusted embodiment and made herein
Explanation.
Experimentally measuring electricity vibration feeder running frequency first is 45Hz, to coal flashboard standard-sized sheet, and mixed coal bunker is given
Coal flow Qmax.
Coarse adjustment and fine tuning two parts are divided into the adjusting to coal flow Q, to coal flashboard as coarse adjustment part, electricity vibration feeder
Frequency converter is as fine tuning part.
According to it is different set coal-supplying amount and coal bunker maximum coal-supplying amount Qmax will to the rough segmentation of coal flashboard as 25%, 50%, 75,
100% fourth gear, while it being provided with formula, formula are as follows:
Wherein LT is switch position, QSPIt is given for mixed coal bunker 1
Coal flow, QmaxCoal total flow is given for mixed coal bunker 1；Coal flashboard tune will be given between which section by calculating coal-supplying amount QSP according to formula
It is whole to arrive corresponding aperture.
1 lower section weighing belt of 2# mixture coal bunker, 10 flow QWT2 subtracts 1 lower section weighing belt of 1# mixture coal bunker, 10 flow QWT1 institute
It must be the coal flow QPV of 2# mixture coal bunker；In the process of running, as appearance electricity vibration feeder frequency VFn=30 or VFn=50
Duration is more than 10S；It is represented to the output of coal flashboard aperture and is not suitable with current working, an increasing can be exported to coal flashboard aperture
Amount.
The calculation formula of electricity vibration feeder frequency are as follows:
VFn=VFPn+VFIn(30≤VFn≤ 50), whereinVFnFor electricity vibration
Feeder frequency setting value, VFPnFor proportional output valve, VFInFor integral term output valve, KC is loop gain, and TS adopts for circuit
Sample time, TI are contour integration time, QSPnTo set coal blending flow, QPVnThe current coal bunker coal flow, the upper sampling instant of MX
Integral entry value；And it is 0.5s that KC value range, which is 1.5~3, TS value range, TI value range is 5~10s, calculates electricity
Vibration feeder frequency.
The calculation formula of increment are as follows:
Wherein LT is that flashboard switchs shelves
Position, Δ LT are flashboard switch-mode regulation gear；By the corresponding variation of control flashboard adjustment, guarantee that electricity vibration feeder frequency is in work
In working frequency, avoid burning out machine.
After operation, which reaches, stablizes, revised flashboard opening value will save as new rough segmentation scale value, use for next time
With reference to.
It is worth noting that: whole device realizes control to it by main control button, sets since control button is matched
Standby is commonly used equipment, belongs to existing Changshu technology, details are not described herein its electrical connection and specific circuit structure.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of on-line automatic mixed coal accurate adjusting device, it is characterised in that: including mixed coal bunker (1), PLC control cabinet
(11), in mixed coal bunker (1) lower part, coal outlet is provided with flashboard, and the flashboard is mounted on mating electric operator (2), matches
Set electric operator (2) is connected with open position feedback transducer (3) by conducting wire, and mating electric operator (2) is by electricity
Machine driving；Electricity vibration feeder is provided on the downside of the flashboard, electricity vibration feeder is provided with power motor (4), the power motor
(4) it is frequency conversion drive, is provided with feeder frequency converter (5)；It is provided with conveyor belt (6) on the downside of electricity vibration feeder, conveys skin
Band (6) be sleeved on live-roller, conveyor belt (6) by conducting wire be provided with deviation detecting device (7), stall detection device (8),
Pull switch (9)；It is described mixture coal bunker (1) be provided with it is multiple, it is each mixture coal bunker (1) be provided with a weighing belt (10), skin
Belt scale (10) is arranged on conveyor belt (6), is aligned with the coal outlet of mixed coal bunker (1)；The mating electric operator
(2), open position feedback transducer (3), power motor (4), feeder frequency converter (5), deviation detecting device (7), stall inspection
Device (8) are surveyed to be both connected on PLC control cabinet (11).
2. the on-line automatic mixed coal accurate adjusting device of one kind according to claim 1, it is characterised in that: the feeder
It is 30Hz-50Hz that frequency converter (5) work, which adjusts segment,.
3. the on-line automatic mixed coal accurate adjusting device of one kind according to claim 1, it is characterised in that: the mating electricity
Dynamic executing agency (2) drive ram movement original speed position to be provided with four gears, respectively 25%, 50%, 75%, 100%.
4. the on-line automatic mixed coal accurate adjusting device of one kind according to claim 2, it is characterised in that: mixed coal bunker
(1) to coal flow with it is in a linear relationship to coal flashboard aperture, to coal flashboard aperture gear calculation formula are as follows:Wherein LT is switch position, QSPCoal flow is given for mixed coal bunker (1),
QmaxCoal total flow is given for mixed coal bunker (1).
5. the on-line automatic mixed coal accurate adjusting device of one kind according to claim 1, it is characterised in that: the electricity vibration is given
Coal machine working frequency calculation formula is VFn=VFPn+VFIn(30≤VFn≤ 50), wherein
VFnFor electricity vibration feeder frequency setting value, VFPnFor proportional output valve, VFInFor integral term output valve, KC is loop gain, TS
For the loops sample time, TI is contour integration time, QSPnTo set coal blending flow, QPVnThe current coal bunker coal flow, MX upper one
The integral entry value of sampling instant.
6. the on-line automatic mixed coal accurate adjusting device of one kind according to claim 5, it is characterised in that: the KC value
Range is that 1.5~3, TS value range is 0.5s, and TI value range is 5~10s.
7. any one on-line automatic mixed coal accurate adjusting device according to claim 5, it is characterised in that: work as appearance
VFn=30Hz the or VFn=50Hz duration is more than 10S, and mating electric operator (2) control gate rotation is adjusted；
The calculation formula of adjustment is as follows:Wherein LT is
Flashboard switch position, Δ LT are flashboard switch-mode regulation gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910096528.6A CN109607119A (en) | 2019-01-30 | 2019-01-30 | A kind of on-line automatic mixed coal accurate adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910096528.6A CN109607119A (en) | 2019-01-30 | 2019-01-30 | A kind of on-line automatic mixed coal accurate adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109607119A true CN109607119A (en) | 2019-04-12 |
Family
ID=66021121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910096528.6A Withdrawn CN109607119A (en) | 2019-01-30 | 2019-01-30 | A kind of on-line automatic mixed coal accurate adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109607119A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110003931A (en) * | 2019-05-10 | 2019-07-12 | 北京沄汇智能科技有限公司 | A kind of coal blending control system and method |
| CN115337806A (en) * | 2021-05-11 | 2022-11-15 | 山西潞安煤基清洁能源有限责任公司 | Automatic coal blending process |
-
2019
- 2019-01-30 CN CN201910096528.6A patent/CN109607119A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110003931A (en) * | 2019-05-10 | 2019-07-12 | 北京沄汇智能科技有限公司 | A kind of coal blending control system and method |
| CN115337806A (en) * | 2021-05-11 | 2022-11-15 | 山西潞安煤基清洁能源有限责任公司 | Automatic coal blending process |
| CN115337806B (en) * | 2021-05-11 | 2024-05-28 | 山西潞安煤基清洁能源有限责任公司 | Automatic coal mixing process |
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Application publication date: 20190412 |