CN110216003A - A kind of coal delivery system and its metal object identification and sorting equipment - Google Patents
A kind of coal delivery system and its metal object identification and sorting equipment Download PDFInfo
- Publication number
- CN110216003A CN110216003A CN201910600109.1A CN201910600109A CN110216003A CN 110216003 A CN110216003 A CN 110216003A CN 201910600109 A CN201910600109 A CN 201910600109A CN 110216003 A CN110216003 A CN 110216003A
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- Prior art keywords
- coal
- conveyer belt
- metal object
- sorting equipment
- auger
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- 239000003245 coal Substances 0.000 title claims abstract description 194
- 239000002184 metal Substances 0.000 title claims abstract description 121
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 121
- 230000033001 locomotion Effects 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims description 11
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Branching, Merging, And Special Transfer Between Conveyors (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention belongs to foreign bodies detections in coal and coal to crush field, more particularly to a kind of coal delivery system and its metal object identification and sorting equipment, including the raw coal distributor at least two outlets, corresponding each outlet is respectively arranged with by independent motor-driven conveyer belt, conveyer belt forward motion to convey coal charge backward, metal detector is respectively equipped with above each conveyer belt, for detecting the metal object in conveyed coal charge, metal object identification and sorting equipment further include control system, it is connected with each metal detector and conveyer belt driving motor, when control system receives metal detector and sends the signal for detecting metal object, corresponding conveyer belt driving motor is controlled to rotate backward, to drive conveyer belt counter motion set distance, the coal charge for being mixed with metal object is unloaded, and the corresponding outlet stopping for controlling raw coal distributor simultaneously is produced coal.When coal charge is unloaded in a certain conveyer belt counter motion, other conveyer belts are worked normally, and guarantee coal delivery system defeated coal efficiency with higher.
Description
Technical field
The invention belongs to foreign bodies detection in coal and coals to crush field, and in particular to a kind of coal delivery system and its metal
Object identification and sorting equipment.
Background technique
In progress of coal mining, metal object is inevitably mixed into coal, e.g., screw, anchor pole etc., and power plant exists
When being generated electricity using fire coal, need first to crush coal so as to full combustion.Power plant's coal breaker can only be crushed more soft
Lump coal and hard and crisp gangue etc., metal object big for hardness and with a certain toughness can not then crush.If being mixed into coal
Metal object be not picked, can not only damage the discaling roll of coal breaker, also resulted in when serious coal breaker shutdown, influence normally to send out
Electricity.
Currently, in view of the above-mentioned problems, main solution has: for power plant coal-burning boiler be arranged two sets coals convey with
Broken coal device, a set of work is another set of spare, when shutting down work because of metal object is mixed in coal as work a set of, enables
The shortcomings that spare is a set of, this measure is that one-time investment is larger.Another scheme be exactly only be arranged the conveying of a set of coal and
Broken coal device, a metal detector is arranged in side on a moving belt, and is sorted out metal object by following two mode: first,
When finding to be mixed with metal object in coal on conveyer belt, metal detector starts alarm immediately, transmits signals to iron remover etc. and sets
Standby to remove metal sundries, still, iron remover is difficult to accomplish that discovery removes, and does not especially have effect to non-magnetic metal object；
Second, metal detector exports stopping signal, and conveyer belt stops working, and sorts out metal object by artificial scene, then restores again
The work of conveyer belt.Although small investment in this way, it still will appear short-term interruption and deliver coal, transfer efficiency is influenced, to power plant
The work of boiler has certain influence.
Summary of the invention
The purpose of the present invention is to provide a kind of identification of metal object and sorting equipments, to solve scene sorting in the prior art
Metal object and the technical issues of influence the transfer efficiency of coal charge.Meanwhile the object of the invention is also to provide a kind of coal delivery systems
System, when solving metal object that coal delivery system in the prior art is mixed in sorting out coal, the technology for influencing transfer efficiency is asked
Topic.
To achieve the above object, the technical solution of metal object identification and sorting equipment is in the present invention: a kind of metal object knowledge
Not and sorting equipment, including raw coal distributor, the raw coal distributor have at least two outlets, and corresponding each outlet is respectively set
There is conveyer belt, for accepting the coal charge from corresponding outlet output, each conveyer belt is driven by independent conveyer belt driving motor respectively,
Conveyer belt forward motion is respectively equipped with metal detector above each conveyer belt, for detecting the conveying to convey coal charge backward
With the metal object in conveying coal charge, metal object identification and sorting equipment further include control system, with each metal detector and defeated
It send band driving motor to be connected, when control system receives the metal detector and sends the signal for detecting metal object, controls phase
It answers conveyer belt driving motor to rotate backward, to drive conveyer belt counter motion set distance, the coal charge of metal object will be mixed with from defeated
The front end of band is sent to unload, and the corresponding outlet stopping for controlling the raw coal distributor simultaneously is produced coal.
The invention has the benefit that corresponding conveyer belt, and each conveyer belt is arranged in each outlet of corresponding raw coal distributor
It is driven by independent conveyer belt driving motor, at least two independent coal charge conveying branches thus can be formed, due to two conveyer belts
Probability that is upper while that metal object occur is very small, therefore, will be mixed with metal object by itself counter motion in a certain conveyer belt
During coal charge unloads, other branch continuation that metal object is not detected convey coal charge backward, guarantee corresponding transportation system
It can be persistently fed to coal breaker.In addition, there is metal object simultaneously on even more than two conveyer belts, although according to common sense this
The probability of occurrence of situation is very low, since control system can control corresponding conveyer belt counter motion and after laying down coal charge in time
Normal defeated coaly state is entered back into, big influence will not be caused to the defeated coal efficiency of entire transportation system.At the same time, control is corresponding
Outlet stopping produce coal, can be removed to avoid excessive coal charge.
Further, the raw coal distributor includes the auger that arrangement is corresponded with each outlet, and the control system is logical
It crosses the stalling of control auger and controls corresponding outlet and stop producing coal.
The utility model has the advantages that corresponding auger stops when the coal charge for being mixed with metal object is unloaded in corresponding conveyer belt counter motion
The workload for turning to avoid to control corresponding outlet and stop exporting coal charge to unload excessive coal charge and increasing staff.
Further, the control system is when controlling the stalling of corresponding auger, while controlling in remaining auger at least
One auger accelerates, to increase the coal charge conveying capacity of the auger.
The utility model has the advantages that auger accelerates rotation that can increase the corresponding coal charge output quantity exported, to compensate the strand to stop working
The coal-feeding quantity of imperial reduction.
Further, the control system is when controlling corresponding auger acceleration rotation, while controlling and accelerating the strand rotated
The corresponding conveyer belt of dragon accelerates forward motion.
The utility model has the advantages that conveyer belt corresponding with the auger of rotation is accelerated also accelerates, so that the conveying speed of conveyer belt
Degree and the coal charge output quantity of corresponding outlet match, and avoid the coal charge accumulated on conveyer belt excessively high.Meanwhile it controlling conveyer belt and accelerating
Movement can compensate the raw coal that metal object identifies and sorting equipment loses by individual conveyer belt counter motions at the first time and convey
Amount.
Further, metal object identification further includes that the interim storage being arranged in below conveyer belt front end fills with sorting equipment
It sets, the coal charge unloaded for collecting conveyer belt counter motion.
The utility model has the advantages that interim storage device, which is arranged, collects the coal charge that conveyer belt unloads, the coal charge unloaded is avoided to be scattered in ground
And increase the amount of labour of staff.
Further, the interim storage device includes receiving hopper and collecting bin, and receiving hopper reception is unloaded from conveyer belt
Coal charge, and coal charge is guided to flow into collecting bin.
The utility model has the advantages that receiving hopper is arranged to guide the coal charge unloaded to flow to collecting bin, it is ensured that the coal charge being removed can be quasi-
Really enter in collecting bin.
To achieve the above object, the technical solution of coal delivery system is in the present invention: a kind of coal delivery system, including broken coal
Machine and for coal breaker conveying coal conveying device, be provided between conveying device and coal breaker metal object identification with sorting fill
It sets, metal object identification and sorting equipment include raw coal distributor, and the raw coal distributor has at least two outlets, and correspondence respectively goes out
Mouth is respectively arranged with conveyer belt, and for accepting the coal charge from corresponding outlet output, each conveyer belt is driven by independent conveyer belt respectively
Dynamic motor driven, conveyer belt forward motion are respectively equipped with metal detector above each conveyer belt, for visiting to convey coal charge backward
The metal object in the conveyer belt conveying coal charge is surveyed, metal object identification and sorting equipment further include control system, with each metal
Detector is connected with conveyer belt driving motor, receives the metal detector in control system and sends and detects the signal of metal object
When, it controls corresponding conveyer belt driving motor and rotates backward, to drive conveyer belt counter motion set distance, metal object will be mixed with
Coal charge is unloaded from the front end of conveyer belt, and the corresponding outlet stopping for controlling the raw coal distributor simultaneously is produced coal.Conveying device will
Coal is delivered to the metal object identification in the raw coal distributor of sorting equipment, and the metal object identifies the conveying with sorting equipment
Band conveys coal to coal breaker.
The invention has the benefit that corresponding conveyer belt, and each conveyer belt is arranged in each outlet of corresponding raw coal distributor
It is driven by independent conveyer belt driving motor, at least two independent coal charge conveying branches thus can be formed, due to two conveyings
It takes while the probability for metal object occur is very small, therefore, metal object will be mixed with by itself counter motion in a certain conveyer belt
Coal charge unload during, other branches continuation that metal object is not detected convey coal charge backward, guarantee that transportation system can
It is persistently fed to coal breaker.In addition, even more than two conveyer belts metal object occur simultaneously, although according to common sense this situation
Probability of occurrence is very low, since control system can control corresponding conveyer belt counter motion in time and enter back into after laying down coal charge
Normal defeated coaly state, will not cause big influence to the defeated coal efficiency of entire transportation system.At the same time, control is corresponding out
Mouth stops producing coal, and can be avoided excessive coal charge and is removed.
Further, the raw coal distributor includes the auger that arrangement is corresponded with each outlet, and the control system is logical
It crosses the stalling of control auger and controls corresponding outlet and stop producing coal.
The utility model has the advantages that corresponding auger stops when the coal charge for being mixed with metal object is unloaded in corresponding conveyer belt counter motion
The workload for turning to avoid to control corresponding outlet and stop exporting coal charge to unload excessive coal charge and increasing staff.
Further, the control system is when controlling the stalling of corresponding auger, while controlling in remaining auger at least
One auger accelerates, to increase the coal charge conveying capacity of the auger.
The utility model has the advantages that auger accelerates rotation that can increase the corresponding coal charge output quantity exported, to compensate the strand to stop working
The coal-feeding quantity of imperial reduction.
Further, the control system is when controlling corresponding auger acceleration rotation, while controlling and accelerating the strand rotated
The corresponding conveyer belt of dragon accelerates forward motion.
The utility model has the advantages that conveyer belt corresponding with the auger of rotation is accelerated also accelerates, so that the conveying speed of conveyer belt
Degree and the coal charge output quantity of corresponding outlet match, and avoid the coal charge accumulated on conveyer belt excessively high.Meanwhile it controlling conveyer belt and accelerating
Movement can compensate the raw coal that metal object identifies and sorting equipment loses by individual conveyer belt counter motions at the first time and convey
Amount.
Further, metal object identification further includes that the interim storage being arranged in below conveyer belt front end fills with sorting equipment
It sets, the coal charge unloaded for collecting conveyer belt counter motion.
The utility model has the advantages that interim storage device, which is arranged, collects the coal charge that conveyer belt unloads, the coal charge unloaded is avoided to be scattered in ground
And increase the amount of labour of staff.
Further, the interim storage device includes receiving hopper and collecting bin, and receiving hopper reception is unloaded from conveyer belt
Coal charge, and coal charge is guided to flow into collecting bin.
The utility model has the advantages that receiving hopper is arranged to guide the coal charge unloaded to flow to collecting bin, it is ensured that the coal charge being removed can be quasi-
Really enter in collecting bin.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coal delivery system in the present invention；
Fig. 2 is the structural schematic diagram of the metal object identification and sorting equipment of coal delivery system in Fig. 1；
Fig. 3 is the structural schematic diagram of distributor framework in Fig. 2；
In figure: 1- conveying device；The identification of 2- metal object and sorting equipment；3- coal breaker；4- distributor framework；The first auger of 5-；
The second auger of 6-；7- third auger；8- first conveyer belt；The second conveyer belt of 9-；10- third conveyer belt；The first metal detection of 11-
Device；The second metal detector of 12-；13- third metal detector；14- auger driving motor；15- receiving hopper；16- collecting bin；
The outlet 17-.
Specific embodiment
The embodiment 1 of coal delivery system in the present invention, as shown in Figure 1, including coal breaker 3 and conveying coal charge to coal breaker 3
Conveying device 1, in order to avoid the metal object mixed in coal charge enter in coal breaker 3 damage discaling roll or cause coal breaker 3 shut down,
Metal object identification and sorting equipment 2 are set between conveying device 1 and coal breaker 3, to carry out to the metal object mixed in coal charge
Identification and sorting.
The structure of metal object identification and sorting equipment 2 is as shown in Fig. 2, include raw coal distributor and three conveyer belts.Wherein,
Raw coal distributor includes distributor framework 4 as shown in Figure 3, and 4 upper end of distributor framework is uncovered structure, for receiving conveying dress
Set the coal charge that 1 conveying comes.In order to realize a point coal, three augers are set, and respectively the first auger 5, second twists in distributor framework 4
Dragon 6 and third auger 7, each auger are driven by independent auger driving motor 14, accordingly, 4 two walls of front and back of distributor framework
On offer mounting hole for installing auger.
Wherein, the rear end of three augers is pierced by from the mounting hole on rear side of distributor framework on wall, is rotated by auger,
Coal charge in distributor framework 4 is exported via three mounting holes on wall on rear side of distributor framework, this three mounting holes are
Constitute three outlets 17 of raw coal distributor.It, can be to each since each auger is driven by independent auger driving motor 14
The start and stop of a auger are individually controlled, so that control is produced coal accordingly.In the present embodiment, auger driving motor is servo
Motor.
Three conveyer belts are correspondingly arranged with three outlets 17, for accepting and conveying the coal charge from corresponding 17 output of outlet,
Coal charge to be conveyed to coal breaker 3 by each conveyer belt forward motion backward.Specifically, three conveyer belts are corresponding with the first auger 5
First conveyer belt 8 and corresponding second conveyer belt 9 of the second auger 6, third conveyer belt 10 corresponding with third auger 7.It is each defeated
It send band to be driven by independent conveyer belt driving motor, forms three relatively independent coal charges in metal object identification and sorting equipment
Branch is conveyed, by controlling the rotation direction of each conveyer belt driving motor, the control to each conveyer belt motion state may be implemented.
In the present embodiment, conveyer belt driving motor is servo motor.
In order to detect the metal object in the conveyed coal charge of each conveyer belt, metal detection is respectively equipped with above each conveyer belt
Device, wherein the first metal sensor 11 is arranged in corresponding first conveyer belt 8, the second metal sensor is arranged in corresponding second conveyer belt 9
12, third metal sensor 13 is arranged in corresponding third conveyer belt 10.
Further, in order to can in time be sorted out metal object after metal detector detects metal object, metal object
Identification is additionally provided with control system with sorting equipment 2, and metal detector can be to control system feedback letter after detecting metal object
Number, meanwhile, control system and each auger driving motor and the control of each conveyer belt driving motor connect, to control the revolving speed of each auger
And the motion state of each conveyer belt.In the present embodiment, each auger driving motor 14 is controlled by series of instructions by computer
With conveyer belt driving motor.
By taking the first metal detector 11 as an example, when in the coal that the first metal detector 11 detects the conveying of first conveyer belt 8
After the metal object mixed, to computer feedback detection signal, computer receives after detectable signal almost the first metal detector 11
Be simultaneously emitted by three instructions: first is that control conveyer belt driving motor corresponding with first conveyer belt 8 rotates backward, drive first is defeated
It send band 11 counter motion set distance, the coal charge for being mixed with metal object is unloaded from the front end of first conveyer belt, it is defeated for first
The size of the heterodromous distance of band 11 is sent, then according to the distance between the first metal detector 11 and 11 front end of first conveyer belt
Depending on, it is ensured that the coal charge for being mixed with metal object can be unloaded after first conveyer belt counter motion set distance；Second is that control
First auger 5 stops operating to suspend from corresponding 17 output coal charge of outlet；Third is that remaining auger in control raw coal distributor
The conveying of coal charge is increased, with the revolving speed suitably increased to guarantee the coal charge supply of coal breaker 3.When the coal charge for being mixed with metal object is unloaded
After falling, control system controls the fast quick-recovery of each section again and works normally.
In other embodiments, while second and third auger is increased speed to increase the output quantity of coal charge, can also increase
The movement velocity of second and third conveyer belt, so that the conveying speed of conveyer belt and the speed accordingly produced coal match.When
So, when coal charge is unloaded in first conveyer belt counter motion, if only improving the movement of some other augers and corresponding conveyer belt
If speed can guarantee the supply of coal breaker coal charge, the movement velocity an of auger and corresponding conveyer belt can be only improved.Even,
Under the premise of coal charge supply stability is of less demanding, the movement velocity of remaining auger and conveyer belt can not be increased.For control
System processed, in other embodiments, each metal detector and driving motor can also connect with single-chip microcontroller or PLC controller control
It connects.
Further, remove the coal to get off to collect conveyer belt counter motion, in the present embodiment, metal object identification with
Sorting equipment 2 further includes interim storage device, and interim storage device is arranged on the downside of conveyer belt front end, anti-for collecting conveyer belt
The coal charge unloaded to movement.Specifically as shown in Fig. 2, interim storage device includes receiving hopper 15 and collecting bin 16, wherein splicing
Bucket 15 avoids coal charge from being scattered to ground, after facilitating worker to sort out metal object for receiving and coal charge being guided to flow to collecting bin 16
Coal charge is sent to coal breaker 3.
It should be noted that combining the amount of the metal object mixed in practical raw coal, occurs metal on three conveyer belts simultaneously
The probability of object is almost nil, therefore, when a certain conveyer belt needs counter motion to unload the coal charge for being mixed with metal object, other conveyer belts
It still can continue to conveying coal charge, it is ensured that transportation system is able to maintain stable defeated coal efficiency.In addition, on two conveyer belts simultaneously
The probability for metal object occur is also very small, therefore,, can also to reduce production cost under the premise of conveying capacity is met the requirements
Two conveyer belts are only arranged, corresponding, auger also need to only be arranged two.It is of course also possible to be arranged four or four or more
Conveyer belt to improve safety in production coefficient, while increasing the conveying capacity of coal delivery system.
The embodiment 2 of coal delivery system in the present invention, unlike the first embodiment, in embodiment 1, metal object identification with
Auger is provided in the raw coal distributor of sorting equipment, whether control system controls corresponding outlet by controlling the start and stop of auger
Export coal charge.In the present embodiment, multiple outlets are set in the bottom of distributor framework 4, coal charge relies on self gravity from each outlet
Output, corresponding each outlet one baffle of each setting, each baffle are driven by independent cylinder, and cylinder connects with corresponding control system
Connect, when detect be mixed with metal object in the coal charge that a certain conveyer belt is conveyed when, in order to make corresponding outlet stopping produce coal, control
System controls corresponding cylinder movement, and corresponding baffle is pushed to close the outlet.
The embodiment of metal object identification and sorting equipment in the present invention, metal object identification include raw coal distribution with sorting equipment
Device, conveyer belt, metal detector and control system, metal object identification have at least two independent defeated coals with sorting equipment
Branch, specifically, metal object identification and the metal object in the structure and working method of sorting equipment and above-mentioned coal delivery system
Identification is identical as sorting equipment, is no longer repeated herein.
Claims (7)
1. a kind of metal object identification and sorting equipment, it is characterised in that:
Including raw coal distributor, the raw coal distributor has at least two outlets,
Corresponding each outlet is respectively arranged with conveyer belt, and for accepting the coal charge from corresponding outlet output, each conveyer belt is respectively by only
Vertical conveyer belt driving motor driving, conveyer belt forward motion to convey coal charge backward,
It is respectively equipped with metal detector above each conveyer belt, for detecting the metal object in the conveyer belt conveying coal charge,
Metal object identification and sorting equipment further include control system, are connected with each metal detector and conveyer belt driving motor,
When control system receives the metal detector and sends the signal for detecting metal object, it is anti-to control corresponding conveyer belt driving motor
To rotation, to drive conveyer belt counter motion set distance, the coal charge for being mixed with metal object is unloaded from the front end of conveyer belt, and same
When control the raw coal distributor corresponding outlet stopping produce coal.
2. metal object according to claim 1 identification and sorting equipment, it is characterised in that: the raw coal distributor include with
Each outlet corresponds the auger of arrangement, and the control system stops producing coal by the corresponding outlet of control auger stalling control.
3. metal object identification according to claim 2 and sorting equipment, it is characterised in that: the control system is in control pair
When the auger stalling answered, while the acceleration of at least one auger in remaining auger is controlled, to increase the coal charge conveying capacity of the auger.
4. metal object identification according to claim 3 and sorting equipment, it is characterised in that: the control system is in control phase
When auger being answered to accelerate rotation, while controlling conveyer belt corresponding with the auger of rotation is accelerated and accelerating forward motion.
5. metal object identification according to any one of claim 1 to 4 and sorting equipment, it is characterised in that: metal object is known
Do not further include the interim storage device being arranged in below conveyer belt front end with sorting equipment, is unloaded for collecting conveyer belt counter motion
Under coal charge.
6. metal object according to claim 5 identification and sorting equipment, it is characterised in that: the interim storage device includes
Receiving hopper and collecting bin, receiving hopper receives the coal charge unloaded from conveyer belt, and coal charge is guided to flow into collecting bin.
7. a kind of coal delivery system, including coal breaker and for the conveying device to coal breaker conveying coal, which is characterized in that conveying
The identification of metal object described in any one of claim 1-6 and sorting equipment, conveying dress are provided between device and coal breaker
It sets and coal is delivered to the metal object identification in the raw coal distributor of sorting equipment, the metal object identifies and sorting equipment
Conveyer belt conveys coal to coal breaker.
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| CN201910600109.1A CN110216003A (en) | 2019-07-04 | 2019-07-04 | A kind of coal delivery system and its metal object identification and sorting equipment |
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| CN201910600109.1A CN110216003A (en) | 2019-07-04 | 2019-07-04 | A kind of coal delivery system and its metal object identification and sorting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403658A (en) * | 2020-10-30 | 2021-02-26 | 重庆贻晨兴工业设计有限责任公司 | Screening device for jaw crusher and using method |
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| JP2008292025A (en) * | 2007-05-22 | 2008-12-04 | Chugoku Electric Power Co Inc:The | Pulverized coal supply device, pulverized coal supply control method and pulverized coal supply control program |
| CN201849939U (en) * | 2010-10-22 | 2011-06-01 | 山东邹平金光焦化有限公司 | Automatic coal blending system |
| CN103615738A (en) * | 2013-11-08 | 2014-03-05 | 长兴新城环保有限公司 | Stone powder supply device for coal feeder |
| CN106862103A (en) * | 2017-01-09 | 2017-06-20 | 唐山市神州机械有限公司 | A kind of intelligent dry method waste stone exhaust system and method for being applied to underground coal mine |
| CN207839423U (en) * | 2017-11-30 | 2018-09-11 | 顺丰科技有限公司 | A kind of sorting equipment |
| CN210411102U (en) * | 2019-07-04 | 2020-04-28 | 河南科技学院 | Coal conveying system and metal object identification and sorting device thereof |
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