CN105598026A - Automatic and efficient dry sorting system - Google Patents
Automatic and efficient dry sorting system Download PDFInfo
- Publication number
- CN105598026A CN105598026A CN201610022501.9A CN201610022501A CN105598026A CN 105598026 A CN105598026 A CN 105598026A CN 201610022501 A CN201610022501 A CN 201610022501A CN 105598026 A CN105598026 A CN 105598026A
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- Prior art keywords
- chute
- sorting
- swaying
- queuing
- turnover plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
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- 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
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- 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
- B07C5/34—Sorting according to other particular properties
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- 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
- B07C5/362—Separating or distributor mechanisms
Abstract
The invention provides an automatic and efficient dry sorting system. The automatic and efficient dry sorting system comprises a control system and a queuing system, a conveying system, a recognition system and an executing system which can achieve material queuing, conveying, recognizing and sorting executing under control of the control system respectively; the executing system comprises a feeding channel and a chute communicated with the feeding channel, and a swinging turning plate sorting mechanism used for executing sorting is arranged at the communication position of the chute and the feeding channel; one end of a swinging turning plate in the swinging turning plate sorting mechanism is connected to the communication position of the chute and the feeding channel through a driving mechanism, and the swinging turning plate covers and opens a chute notch under the action of the driving mechanism. According to the automatic and efficient dry sorting system, structural innovation is performed on the executing system, and the improved sorting system not only can achieve primary selecting, material distribution sequence ordering and the like during queuing, but also achieves mixing preventing transportation of materials in an original sequence; the recognition precision is higher, the control automation is better, and particularly the executing system is simple in structure, reliable in work and capable of reducing energy consumption.
Description
Technical field
The present invention relates to sorting technology, relate in particular to a kind of automatical and efficient dry separation system.
Background technology
Along with industrialized development, the energy and raw-material demand are day by day vigorous, and the production efficiency of coal and all kinds of ores is straightConnect the supply and the production cost that affect this series products, improve the efficiency of separation of coal and all kinds of ores and can significantly carryHigh its production capacity, this raising to productivity is significant;
The sorting of coal and all kinds of ores at present mainly comprises charging, conveying, identification and sorting step, and it relates generally toA kind of automatic separator of coal gangue that technology has been recorded by Chinese patent ZL200910107879.9,ZL201110079322.6 record the low-grade tin ore of a kind of X-radiation Pre-sorting method andTechnique and the system of the dry method row gangue coal separation that ZL201110331999.4 records are disclosed, above-mentioned disclosed separation systemRelate generally to feeding mechanism, conveyer belt conveyer, identification selection control mechanism and executing agency etc.
But there is following technological deficiency in the open scheme of the sorting technology that existing actual production adopts and above-mentioned patent,
1, auto-control degree is low, lacks the serialization control from material primary election, sequence, transport, sorting, finished product transport etc.System, and recognition system adopts monoenergetic radiographic source, accuracy of identification is poor; Not only poor for applicability in separation system actual production, itsThe precision of sorting and efficiency are also difficult to effectively improve;
2, executing agency adopts high frequency pneumatic operated valve, and the operating frequency of pneumatic operated valve is very large, and fault rate is higher; Pneumatic operated valve executing agencyNeed outside that compressed air is provided, air compressing acc power is higher, and system operation power consumption is large; Pneumatic operated valve pressure is higher, speedComparatively fast, in the time that ore is carried out to injection of separation, easily ore is smashed, affected materials quality;
3, in material loading and transport, material is difficult to keep original queue, very easily blending of the material after identification, and then affect sorting and holdThe separating effect of row mechanism.
Summary of the invention
The object of this invention is to provide a kind of automatical and efficient dry separation system, it have reliable and stable and auto-control andThe advantage that sharpness of separation is high.
The present invention is achieved in that a kind of automatical and efficient dry separation system, and it comprises control system and in control systemControl under realize queuing system, induction system, the recognition system that material queuing, conveying, identification and sorting carry out and holdRow system; It is characterized in that, described executive system comprises pan feeding passage and the chute with pan feeding channel connection, chute withThe connectivity part of pan feeding passage is provided with the swaying turnover plate sorting mechanism for carrying out sorting;
Described swaying turnover plate sorting mechanism comprises with the driving mechanism of control system control connection and under the driving of driving mechanismThe swaying turnover plate of carrying out material sorting, one end of described swaying turnover plate is connected to the company of chute and pan feeding passage by driving mechanismLogical place, swaying turnover plate is realized covering and opening chute notch under the effect of driving mechanism.
Preferably: described executive system comprises pan feeding passage and the first chute and the second chute with pan feeding channel connection, existThe connectivity part of the first chute and the second chute and pan feeding passage is provided with the swaying turnover plate sorting mechanism for carrying out sorting;
Described swaying turnover plate sorting mechanism comprises with the driving mechanism of control system control connection and under the driving of driving mechanismThe swaying turnover plate of carrying out material sorting, the lower end of described swaying turnover plate is connected to the first chute and the second chute by driving mechanismWith the connectivity part of pan feeding passage, swaying turnover plate is realized notch to the first chute and the second chute under the effect of driving mechanismCover and open.
Described queuing system comprises blowing chute, be positioned at blowing chute below structure framework, be positioned at the roller bearing row of structure frameworkMechanism of team, be communicated with hopper below structure framework and be positioned at the blanking conveying mechanism under hopper, described structureFramework is provided with several queuing chutes near a side of induction system.
Described roller bearing queueing mechanism comprises that several are tilted to the roller assembly of lower setting, each rolling along blowing chute to queuing chuteSeveral roller bearings that shaft device includes motor, bearing and arranges along bearing length direction, the output of described bearing and motorThrough-drive connects, and the roller bearing on adjacent bearing forms the continuous roller bearing compass screen surface under being tilted to successively.
One end of described induction system is positioned under queuing chute, the other end be positioned at pan feeding passage directly over; This induction systemComprise belt conveyor and be positioned at belt conveyor top along the parallel some materials that arrange of belt carriage direction everyFrom plate, between adjacent material division board, form the material isolated area of avoiding blending in mass transport, the quantity of this material isolated areaCorresponding with queuing chute and pan feeding passage with position.
Described recognition system comprises the dual-energy x-ray source and the radiographic source check-out console that lay respectively at induction system above and below, dual intensityX-ray source is electrically connected with high pressure generator, and this radiographic source check-out console is connected with control system. Described recognition system also can adoptGamma-ray source, image recognition camera or fluorescence generator.
Preferably: described executive system also comprises the sorted product conveying mechanism that is positioned at chute below.
Beneficial effect of the present invention is: the present invention has all carried out architecture advances to queuing system, induction system and recognition system, outstandingIt has carried out structure innovation to executive system, and the separation system after improvement not only can be realized primary election, the cloth sequence while queuingSequences etc., have also realized the anti-blending transport of material with original series; And accuracy of identification is higher, auto-control is better, outstandingIt is not only simple in structure, reliable operation of executive system, has also saved energy consumption and water resource, has also become secondary pollution; ThisBright also have a good applicability, can be used to realize efficient material sorting automatically, both comprised the sorting of coal and spoil,Comprise again the sorting of gold mine, tungsten ore, iron ore and other ores.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of each crucial composition system embodiment illustrated in fig. 1.
Fig. 3 is the structural representation of another embodiment of the present invention.
Fig. 4 is the fundamental diagram of executive system of the present invention swaying turnover plate while adopting many chutes.
Fig. 5 is fundamental diagram when swaying turnover plate backswing in Fig. 4.
Fig. 6 is the structural representation of roller assembly in queuing system.
Fig. 7 be in induction system material isolated area schematic diagram is set.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1-Figure 3, the present invention is achieved like this, a kind of automatical and efficient dry separation system, and it comprises controlSystem 5 processed and realize material queuing, conveying, identification and queuing system that sorting is carried out under the control of control system 51, induction system 2, recognition system 4 and executive system 3; Its design feature is that described executive system 3 comprises pan feeding passage301 and the chute 302 that is communicated with pan feeding passage 301, be provided with use in chute 302 and the connectivity part of pan feeding passage 301In the swaying turnover plate sorting mechanism 303 of carrying out sorting; Described swaying turnover plate sorting mechanism 303 comprises with control system 5 to be controlledThe driving mechanism connecting and carry out the swaying turnover plate 3031 of material sorting under the driving of driving mechanism, described swaying turnover plateOne end of 3031 is connected to the connectivity part of chute 302 and pan feeding passage 301 by driving mechanism, swaying turnover plate 3031 is drivingUnder the effect of actuation mechanism, realize covering and opening chute 302 notches. The present invention, in the time implementing, is distinguished by control system 5Be connected with monitoring assembly with electronic in queuing system 1, induction system 2, recognition system 4 and executive system 3, it is right to completeThe queuing of material, conveying, identification and sorting are carried out, and the outstanding feature of the present invention has been to change that traditional sorting carries outStructure, it has and comprises single chute as shown in Figure 3 or the many chutes as shown in Fig. 1 and Fig. 2 and Fig. 3 and Fig. 4,Its concrete configuration process of implementing is: the driving mechanism of swaying turnover plate 3031 can adopt by high-speed cylinder, high-speed hydraulic oil cylinder,The controls such as high-speed trigger valve, can realize and swinging each second more than three times; Control system 5 is by recognition system 4 and delivery systemThe kind of system 2 identification materials and time and the position of arrival chute 302, and then by driving mechanisms control swaying turnover plateThe covering and opening of 3031 pairs of chute 302 notches; It has effectively avoided traditional, pneumatic to spray the drawback of sorting, the efficiency of separationHigh; And the present invention is according to the requirement of material variety and sorting, and executive system 3 can adopt single chute or many chutes, works as employingWhen single chute, separation system compact conformation, is applicable to the sorting of small lot.
In the time of the sorting of needs heavy industrialization, executive system 3 can arrange many chutes as requested, as depicted in figs. 1 and 2,The first chute 3021 and the second chute that described executive system 3 comprises pan feeding passage 301 and is communicated with pan feeding passage 3013022, be provided with for carrying out sorting in the first chute 3021 and the second chute 3022 and the connectivity part of pan feeding passage 301Swaying turnover plate sorting mechanism 303; Described swaying turnover plate sorting mechanism 303 comprises the driving machine with control system 5 control connectionsStructure and carry out the swaying turnover plate 3031 of material sorting under the driving of driving mechanism, the lower end of described swaying turnover plate 3031 is logicalThe mechanism of overdriving is connected to the connectivity part of the first chute 3021 and the second chute 3022 and pan feeding passage 301, swaying turnover plate3031 realize covering and opening of notch to the first chute 3021 and the second chute 3022 under the effect of driving mechanism.It sets gradually multiple chutes according to production-scale requirement according to said structure, and as shown in Figure 4 and Figure 5, it is specifically realExecute structure the same; Executive system 3 can complete large batch of moving material sorting simultaneously like this, is particularly useful for coal and spoilSorting.
In order further to improve the automatization level of executive system 3, described executive system 3 also arranges sorted product below chuteConveying mechanism 304, can according to type transfer out the material after sorting respectively so in time, can effectively improve sortingSerialization.
The present invention has also carried out Optimal Structure Designing to queuing system 1, and as shown in Figure 2, described queuing system 1 comprises that blowing slipsGroove 101, be positioned at blowing chute 101 belows structure framework 102, be positioned at structure framework 102 roller bearing queueing mechanism 107,Be communicated with hopper 105 below structure framework 102 and be positioned at the blanking conveying mechanism 106 under hopper 105,Described structure framework 102 is provided with several queuing chutes 103 near a side of induction system. Roller bearing queueing mechanism wherein107 concrete enforcement structure is: it comprises that several are tilted to rolling of lower setting along blowing chute 101 to queuing chute 103Shaft device, as shown in Figure 6, each roller assembly includes motor 1071, bearing 1072 and along bearing 1072 lengthSeveral roller bearings 1073 that direction arranges, described bearing 1072 is in transmission connection with the output shaft of motor 1071, adjacent successivelyBearing 1072 on roller bearing 1073 form the continuous roller bearing compass screen surface 104 under being tilted to. Like this by the roller bearing 1073 of installingMaterial can be divided into some queues on the one hand, the continuous roller bearing compass screen surface 104 being simultaneously made up of under being tilted to roller bearing 1073 is gone backCan carry out preliminary screening to material, the material that is less than roller bearing compass screen surface 104 gaps drops in hopper 105 automatically, thenTransfer out by blanking conveying mechanism 106; In actual production, through the cloth of queuing system 1, generally can realize3-10 team arranges, and according to the width of raw meal particle size and induction system, the quantity of adjusting roller bearing 1073 also can realize and be greater than 10Right cloth queue, the material of each queue by corresponding queuing chute 103 orderly enter induction system 2, then by defeatedSend system 2 to complete material transporting to executive system 3.
The present invention has also carried out Optimal Structure Designing to induction system 2, and one end of described induction system 2 is positioned at queuing chute 103Under, the other end be positioned at pan feeding passage 301 directly over; Especially this induction system 2 comprises belt conveyor 201And be positioned at belt conveyor 201 tops along the parallel some material division boards 202 that arrange of belt carriage direction, as figureShown in 7, between adjacent material division board 202, form and avoid the material isolated area 203 of blending in mass transport, this material everyThe quantity in abscission zone 203 and position are corresponding with queuing chute 103 and pan feeding passage 301. In the time implementing, queue up according to roller bearingMaterial distribute spacing and the number of queues of system, arrange reciprocity material isolated area 203 accordingly, both kept original clothSequence, can make the material after queuing interior by skin in material isolated area 203 in order by the effect of material division board 202 againBand conveying mechanism 201 transports in order, in this process, due to the existence of material division board 202, has avoided in mass transportBlending.
In order further to improve the precision of identification, the present invention adopts the identification of double source X ray, and this recognition system 4 comprises and laying respectively atThe dual-energy x-ray source 401 of induction system 2 above and belows and radiographic source check-out console 402, dual-energy x-ray source 401 is with highPress generator 403 to be electrically connected, this radiographic source check-out console 402 is connected with control system 5. It has overcome tional identification system and has adoptedThe poor defect of accuracy of identification having with monoenergetic gamma ray, this recognition system detects the inner atomic series composition of material,According to different material inside atomic series difference, detect the kind of current material, this information exchange is crossed to radiographic source check-out console simultaneously402 pass to control system 5, and the position of this material, control system are located in the position based on radiographic source check-out console 402 simultaneously5 are being subject to after material variety and positional information, then determine that by induction system 2 material is by transporting the time that enters chute,And then judge whether to start swaying turnover plate sorting mechanism 303.
The present invention simultaneously can be according to the requirement such as material variety and sharpness of separation, and described recognition system 4 also can adopt gamma raySource, image recognition camera or fluorescence generator etc.;
Taking sorting spoil in coal as example, operation principle of the present invention is such;
First, in coal material, carry part spoil secretly, after blowing chute 101, fall in roller bearing queueing mechanism 107 roller bearingThe motor 1071 of queueing mechanism 107 drives roller bearing 1073 to rotate by bearing 1072, successively on adjacent bearing 1072The continuous roller bearing compass screen surface 104 that roller bearing 1073 forms under being tilted to, the gap of the material roller bearing compass screen surface 104 that particle diameter is less falls intoHopper 105, is delivered to next process system by blanking conveying mechanism 106, can direct marketing, store up, deep processingDeng; Larger material tilts to move down along this roller bearing compass screen surface 104, and according to the roller bearing 1073 on same bearing 1072Spacing forms cloth queue, falls into induction system 2 by queuing chute 103.
Then, when coal stockpile enters induction system 2, it is corresponding with queuing chute 103 that belt conveyor 201 tops arrangeMaterial isolated area 203 can realize conveying queue after such queuing and still carry according to original queue, there will not be mutual interferenceSituation. In the process of mass transport, high pressure generator 403 is the dual-energy x-ray source 401 of induction system 2 topsHigh voltage is provided, makes dual-energy x-ray source 401 produce X ray, and receive X-ray scanning letter by radiographic source check-out console 402Breath, identifies the spoil of carrying secretly in coal and positions, and spoil locating information is sent to control system 5, controls systemSystem 5 carries out integrated calculating according to information such as spoil locating information, conveyor speed, transmitting ranges, to arrive and to carry out at spoilWhen system 3, start swaying turnover plate sorting mechanism 303, realize the separation to spoil material.
Finally, in the time that material enters executive system 3, control system 5 starts swaying turnover plate according to the above-mentioned information of coal and spoilSorting mechanism 303, by the action of swaying turnover plate 3031, constantly realizes the first chute 3021 and the second chute 3022Unlatching with cover, make coal and spoil fall into respectively the first chute 3021 and the second chute 3022, then through tooSelect product conveyor structure 304 that coal and spoil product are transferred out, enter next operation processing.
The above embodiment of the present invention can realize the sorting to spoil in coal, also can realize the sorting to coal in spoil, various ore depositSorting to assorted stone in stone etc.
Claims (8)
1. an automatical and efficient dry separation system, it comprises control system (5) and the control in control system (5)Lower queuing system (1), induction system (2), the recognition system (4) that realizes material queuing, conveying, identification and sorting executionAnd executive system (3);
It is characterized in that, described executive system (3) comprises pan feeding passage (301) and is communicated with pan feeding passage (301)Chute (302), is provided with the swaying turnover plate for carrying out sorting in chute (302) and the connectivity part of pan feeding passage (301)Sorting mechanism (303);
Described swaying turnover plate sorting mechanism (303) comprises with the driving mechanism of control system (5) control connection and at driving machineThe swaying turnover plate (3031) of carrying out material sorting under the driving of structure, driving machine is passed through in one end of described swaying turnover plate (3031)Structure is connected to the connectivity part of chute (302) and pan feeding passage (301), and swaying turnover plate (3031) is in the effect of driving mechanismLower realization covering and opening chute (302) notch.
2. automatical and efficient dry separation system as claimed in claim 1, is characterized in that, described executive system (3) bagThe first chute (3021) and the second chute (3022) drawing together pan feeding passage (301) and be communicated with pan feeding passage (301),Be provided with for carrying out and divide with the connectivity part of pan feeding passage (301) at the first chute (3021) and the second chute (3022)The swaying turnover plate sorting mechanism (303) of choosing;
Described swaying turnover plate sorting mechanism (303) comprises with the driving mechanism of control system (5) control connection and at driving machineThe swaying turnover plate (3031) of carrying out material sorting under the driving of structure, driving machine is passed through in the lower end of described swaying turnover plate (3031)Structure is connected to the connectivity part of the first chute (3021) and the second chute (3022) and pan feeding passage (301), swaying turnover plate(3031) under the effect of driving mechanism, realize covering of notch to the first chute (3021) and the second chute (3022)With unlatching.
3. automatical and efficient dry separation system as claimed in claim 1 or 2, is characterized in that, described queuing system (1)Comprise blowing chute (101), be positioned at blowing chute (101) below structure framework (102), be positioned at structure framework (102)In roller bearing queueing mechanism (107), be communicated with at the hopper (105) of structure framework (102) below and be positioned at hopper(105) the blanking conveying mechanism (106) under, described structure framework (102) is provided with near a side of induction systemSeveral queuing chutes (103).
4. automatical and efficient dry separation system as claimed in claim 3, is characterized in that, described roller bearing queueing mechanism(107) comprise that several are tilted to the roller assembly of lower setting along blowing chute (101) to queuing chute (103), everyIndividual roller assembly include motor (1071), bearing (1072) and arrange along bearing (1072) length direction someIndividual roller bearing (1073), described bearing (1072) is in transmission connection with the output shaft of motor (1071), adjacent bearing successively(1072) roller bearing (1073) on forms the continuous roller bearing compass screen surface (104) under being tilted to.
5. automatical and efficient dry separation system as claimed in claim 4, is characterized in that, described induction system (2)One end is positioned under queuing chute (103), the other end be positioned at pan feeding passage (301) directly over;
This induction system (2) comprise belt conveyor (201) and be positioned at belt conveyor (201) top along skinWith the parallel some material division boards (202) that arrange of carriage direction, between adjacent material division board (202), form and avoid thingThe material isolated area (203) of blending in material conveying, the quantity of this material isolated area (203) and position and queuing chute (103)And pan feeding passage (301) correspondence.
6. automatical and efficient dry separation system as claimed in claim 5, is characterized in that, described recognition system (4) bagDraw together the dual-energy x-ray source (401) and the radiographic source check-out console (402) that lay respectively at induction system (2) above and below, twoCan be electrically connected by x-ray source (401) this radiographic source check-out console (402) and control system (5) with high pressure generator (403)Be connected.
7. automatical and efficient dry separation system as claimed in claim 5, is characterized in that, described recognition system (4) is adoptedWith gamma-ray source, image recognition camera or fluorescence generator.
8. the automatical and efficient dry separation system as described in claim 6 or 7, is characterized in that, described executive system (3)Also comprise the sorted product conveying mechanism (304) that is positioned at chute below.
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| CN201610022501.9A CN105598026A (en) | 2016-01-14 | 2016-01-14 | Automatic and efficient dry sorting system |
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| CN201610022501.9A CN105598026A (en) | 2016-01-14 | 2016-01-14 | Automatic and efficient dry sorting system |
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| CN106881282A (en) * | 2017-03-28 | 2017-06-23 | 沈阳隆基电磁科技股份有限公司 | A kind of ore screening installation and method |
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| CN108405366A (en) * | 2018-03-06 | 2018-08-17 | 山东东山王楼煤矿有限公司 | A kind of dry separation device |
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| CN113830376A (en) * | 2020-06-24 | 2021-12-24 | 广西科技大学 | Sorting device and using method |
| CN115193736A (en) * | 2022-06-22 | 2022-10-18 | 安徽慧视金瞳科技有限公司 | Continuous waste metal sorting device based on X-ray identification |
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| CN106944366B (en) * | 2017-03-28 | 2024-04-02 | 沈阳隆基电磁科技股份有限公司 | Intelligent ore sorting equipment and method based on x-ray identification |
| CN106881282B (en) * | 2017-03-28 | 2024-02-20 | 沈阳隆基电磁科技股份有限公司 | Ore sorting equipment and method |
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| CN107362969A (en) * | 2017-08-18 | 2017-11-21 | 郑州大学 | A kind of efficient Sand screen of architectural engineering |
| CN108405366A (en) * | 2018-03-06 | 2018-08-17 | 山东东山王楼煤矿有限公司 | A kind of dry separation device |
| CN110355115A (en) * | 2019-08-16 | 2019-10-22 | 天津美腾科技有限公司 | A kind of auxiliary TDS intelligence dry-dressing machine beats the chute switching device that coal beats cash |
| CN113830376A (en) * | 2020-06-24 | 2021-12-24 | 广西科技大学 | Sorting device and using method |
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Application publication date: 20160525 |