CN202290588U - Dry-method gangue discharging and coal dressing system - Google Patents
Dry-method gangue discharging and coal dressing system Download PDFInfo
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- CN202290588U CN202290588U CN2011204168107U CN201120416810U CN202290588U CN 202290588 U CN202290588 U CN 202290588U CN 2011204168107 U CN2011204168107 U CN 2011204168107U CN 201120416810 U CN201120416810 U CN 201120416810U CN 202290588 U CN202290588 U CN 202290588U
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Abstract
The utility model relates to a dry-method gangue discharging and coal dressing system, which is applicable to dressing and upgrading coal in water shortage places. The dry-method gangue discharging and coal dressing system comprises a dry-method sieving machine, a plus sieve raw coal conveying chute, a sensor system, a control system, a spray nozzle and a flow dividing chamber, a minus sieve raw coal conveying device is disposed below the dry-method sieving machine, the tail end of the dry-method sieving machine is connected with a feeding end of the plus sieve raw coal conveying chute, the sensor system is arranged corresponding to a discharge end of the plus sieve raw coal conveying chute, the flow dividing chamber is disposed below the plus sieve raw coal conveying chute, the spray nozzle which is controlled by the control system is arranged between the discharge end of the plus sieve raw coal conveying chute and the flow dividing chamber, and the flow dividing chamber consists of a product chamber and an impurity chamber which are disposed side by side. The dry-method gangue discharging and coal dressing system is compact in structure and small in occupied area, does not need a water source, is particularly applicable to the western of China with high coal reserves, is high in dressing precision and efficiency as compared with traditional gangue hand picking, and is low in energy consumption and noise and small in size of equipment and is environment-friendly as compared with dry-method coal dressing process by the aid of a wind flow cyclone.
Description
Technical field
The utility model relates to the system of a kind of dry method row gangue coal separation, is applicable to the sorting upgrading of lack of water place to coal.
Background technology
Because contain the material of some non-coals in the raw coal, wherein, the material that the ash contents such as salt of spoil, sulfur-bearing are high can cause the caloric value of coal low, therefore to improve the caloric value of coal and will from coal, select the low impurity of these caloric values.At present, coal mining enterprise roughly can be divided into for the coal preparation method of the calorific value of raising coal: dry separation and wet separation.
Wet separation: branch is selected according to the density of coal and the difference of spoil density in the Media density liquid mixing back that adds raw coal and utilization magnetic iron powder, the complex process of wet separation, and designing apparatus is many, and invests big operating cost height.
But in western part of lack of water, coal reserves is big, is fit to use dry coal preparation.Dry coal preparation has small investment, and technology is simple, the advantage that operating cost is low, but traditional dry separation craft is that production efficiency is low through the picking cash, and, can not guarantee the precision and the effect of sorting because there is very big human factor in the artificial cash that selects; In order to improve sharpness of separation; Mostly utilize the wind-force cyclone according to density separation now; But the coal preparation technique of wind-force cyclone need all utilize all raw coal that contains spoil wind-force to blow afloat, but this mode energy consumption height and noise and dust are big, do not meet environmental requirement.Therefore need that research and development are a kind of can to guarantee sharpness of separation and efficient, environmental protection and economical and practical dry coal preparation technology badly.
The utility model content
According to above deficiency of the prior art; The technical problem that the utility model will solve is: a kind of compact conformation is provided, can guarantees sharpness of separation and efficient, environmental protection and the system that consumes energy the coal separation of dry method row gangue low, be particularly useful in the place of lack of water coal being carried out sorting physique.
The utility model solves the technical scheme that its technical problem adopted: the system of described dry method row gangue coal separation; It is characterized in that: comprise raw coal coal chute on dry screening screen(ing) machine, the sieve, sensing system, control system, nozzle and diffluence room; Dry screening screen(ing) machine below is provided with sieve raw coal transport down; The end of dry screening screen(ing) machine connects the feed end that sieve is gone up the raw coal coal chute; Sensing system and the upward corresponding setting of discharge end of raw coal coal chute of sieve; The below of raw coal coal chute is provided with diffluence room on the sieve, and the nozzle of being controlled by the control system is set between the discharge end of raw coal coal chute and the diffluence room on the sieve, and diffluence room is made up of product chambers that is arranged side by side and impurity chamber.
Whole system obtains being fit to the particle size range that market is used through grading earlier, and then raw coal is carried out sorting, and the concrete course of work is following:
1. grading: the particle size range of confirming required raw coal as required; Through the dry screening screen(ing) machine raw material is sieved; After the grading; Raw coal is divided into sieve to be gone up raw coal and sieves raw coal down, and sieve raw coal down is transported to other places through the raw coal transport that sieves down, can adopt selection by winnowing or density of heavy medium liquid coal separation mode to carry out coal separation; Raw coal is the raw coal in the desired particle size range on the sieve, and raw coal gets into the cog region that is made up of sensing system, control system, nozzle and diffluence room through sieving the raw coal coal chute on the sieve;
2. raw coal on the separating sieve: after raw coal gets into cog region on the sieve; By sensing system to sieving the judgement of carrying out radiography and composition that constitutes of raw coal; The fluoroscopic image of coal cinder can show with the different of impurity such as containing spoil, sulfur-bearing, iron content because of its density with characteristic, and sensing system is transferred to the control system with information, and the control system identification goes out impure coal cinder position how and controls the nozzle switch of correspondence position; Through nozzle the high-speed compressed air level is blown to the many positions of impurity; Impure many coal cinders are blown in the impurity chamber of diffluence room, and the product that needs falls into the product chambers of diffluence room, accomplish sieving the sorting of raw coal.
Wherein, Described sensing system is one or several the combination in x-ray sensor, excusing from death wave sensor, magnetic induction sensor, vision sensor, the colour sensation sensing device; Mainly be to be used to discern material, utilize sensing system unwanted impure coal from good coal, identify accurately.
The raw coal transport is belt feeder or chute under the described sieve.
Described dry screening screen(ing) machine is the tension and relaxation screen(ing) machine.
The beneficial effect that the utility model had is:
The system architecture of dry method row gangue coal separation is compact, floor space is little; Need not to utilize the water source; Be specially adapted to the big western part of coal in China reserves, the particle size range that obtains being fit to use in market through grading is earlier carried out sorting, simple and reliable process to the gained raw coal again; During sorting, utilize sensing system to replace the artificial eye that selects spoil, improved the precision of sorting, and impure more coal cinder has been blown in the impurity chamber, improved the efficient of sorting spoil through high-speed compressed air; Because the impure more common negligible amounts of coal cinder that is blown off during sorting can have been used effective air on the impurity that is selected accurately through nozzle, have with respect to traditional wind method therefore that gas consumption is low, energy consumption is little and the advantage of environmental protection.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1, tension and relaxation screen(ing) machine; 2, belt feeder; 3, raw coal coal chute on the sieve; 4, sensing system; 5, impurity chamber; 6, product chambers; 7, nozzle; 8, control system.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done and to further describe:
As shown in Figure 1; The system of dry method row gangue coal separation comprises raw coal coal chute 3 on tension and relaxation screen(ing) machine 1, the sieve, sensing system, control system 8, nozzle 7 and diffluence room, and tension and relaxation screen(ing) machine 1 below is provided with the belt feeder 2 of raw coal on the Transporting screen; The end of tension and relaxation screen(ing) machine 1 connects the feed end that sieve is gone up raw coal coal chute 3; Sensing system 4 and the upward corresponding setting of discharge end of raw coal coal chute 3 of sieve, the below of raw coal coal chute 3 is provided with diffluence room on the sieve, and the nozzle of being controlled by control system 87 is set between the discharge end of raw coal coal chute 3 and the diffluence room on the sieve; Diffluence room is made up of product chambers that is arranged side by side 6 and impurity chamber 5; Wherein, compare with impurity chamber 5, product chambers 6 is nearer apart from nozzle 7.
Described sensing system 6 is one or several the combinations in x-ray sensor, excusing from death wave sensor, magnetic induction sensor, vision sensor, the colour sensation sensing device.Can carry out the judgement of radiography and composition to the formation of material through sensor; Because the fluoroscopic image of coal cinder can show with the different of impurity such as containing spoil, sulfur-bearing, iron content because of its density with characteristic, so impure many coal cinder positions can be judged according to the information of sensor feedback by control system 8.
Before the sorting; Confirm the particle size range of required raw coal earlier as required; Through tension and relaxation screen(ing) machine 1 raw material is sieved, after the grading, raw coal is divided into sieve and goes up raw coal and sieve raw coal down; The following raw coal of sieve is transported to other process using selection by winnowing through belt feeder 2 or density of heavy medium liquid coal separation mode is carried out combined coal-dressing, and raw coal is exactly the raw coal in the desired particle size range on the sieve of gained; When sieve is gone up raw coal when sieving the discharge end whereabouts of raw coal coal chute 3; Raw coal is surveyed and is given control system 8 with signal feedback on 6 pairs of sieves of sensing system; Control system 8 identifies impure coal cinder position how and controls the switch of the nozzle 7 of correspondence position; Through nozzle 7 the high-speed compressed air level is blown to the many positions of impurity; Impure many coal cinders are blown to the distance sieve and are gone up in the raw coal coal chute 3 discharge ends impurity chamber 5 far away, and the product that needs falls into product chambers 6, thereby accomplish sieving the sorting of raw coal.
Because the sharpness of separation of native system depends on ature of coal and sensing system, once set just strict the execution, therefore can avoid manual work to select the human factor in the spoil process, sharpness of separation is high; Native system is compared traditional picking cash technology through adopting a series of automation equipments, and the automaticity height and the efficiency of separation are high; It is low to contrast distinguished and admirable its energy consumption of cyclone dry coal preparation technology, and noise is little, and equipment volume is little, and the littler more compliance with environmental protection requirements of dust that produces, and sharpness of separation and efficient are all improved greatly.
Claims (4)
1. the system of dry method row gangue coal separation; It is characterized in that: comprise raw coal coal chute on dry screening screen(ing) machine, the sieve, sensing system, control system, nozzle and diffluence room; Dry screening screen(ing) machine below is provided with sieve raw coal transport down; The end of dry screening screen(ing) machine connects the feed end that sieve is gone up the raw coal coal chute, sensing system and the upward corresponding setting of discharge end of raw coal coal chute of sieve, and the below of raw coal coal chute is provided with diffluence room on the sieve; The nozzle of being controlled by the control system is set between the discharge end of raw coal coal chute and the diffluence room on the sieve, and diffluence room is made up of product chambers that is arranged side by side and impurity chamber.
2. the system of dry method according to claim 1 row gangue coal separation is characterized in that: described sensing system is one or several the combination in x-ray sensor, excusing from death wave sensor, magnetic induction sensor, vision sensor, the colour sensation sensing device.
3. the system of dry method row gangue according to claim 1 coal separation, it is characterized in that: the raw coal transport is belt feeder or chute under the described sieve.
4. according to the system of claim 1,2 or 3 described dry method row gangue coal separations, it is characterized in that: described dry screening screen(ing) machine is the tension and relaxation screen(ing) machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204168107U CN202290588U (en) | 2011-10-27 | 2011-10-27 | Dry-method gangue discharging and coal dressing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204168107U CN202290588U (en) | 2011-10-27 | 2011-10-27 | Dry-method gangue discharging and coal dressing system |
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| Publication Number | Publication Date |
|---|---|
| CN202290588U true CN202290588U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204168107U Withdrawn - After Issue CN202290588U (en) | 2011-10-27 | 2011-10-27 | Dry-method gangue discharging and coal dressing system |
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| Country | Link |
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| CN (1) | CN202290588U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416386A (en) * | 2011-10-27 | 2012-04-18 | 山东博润工业技术有限公司 | Dry-method coal gangue discharge and coal dressing process and system |
| CN103121011A (en) * | 2013-02-05 | 2013-05-29 | 中国矿业大学 | control system and method for dry sorting device |
| CN103920648A (en) * | 2014-04-24 | 2014-07-16 | 安徽锐视光电技术有限公司 | Multilevel photometric sorter for mineral separation |
| CN104722471A (en) * | 2014-11-27 | 2015-06-24 | 山东科技大学 | Coal and gangue classifier for exploiting thick coal seams with dirt band |
-
2011
- 2011-10-27 CN CN2011204168107U patent/CN202290588U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416386A (en) * | 2011-10-27 | 2012-04-18 | 山东博润工业技术有限公司 | Dry-method coal gangue discharge and coal dressing process and system |
| CN102416386B (en) * | 2011-10-27 | 2013-09-18 | 山东博润工业技术股份有限公司 | Process and system for sorting coal by discharging coal gangue through dry method |
| CN103121011A (en) * | 2013-02-05 | 2013-05-29 | 中国矿业大学 | control system and method for dry sorting device |
| CN103920648A (en) * | 2014-04-24 | 2014-07-16 | 安徽锐视光电技术有限公司 | Multilevel photometric sorter for mineral separation |
| CN103920648B (en) * | 2014-04-24 | 2016-06-08 | 安徽锐视光电技术有限公司 | The multistage photometric sorter of ore dressing |
| CN104722471A (en) * | 2014-11-27 | 2015-06-24 | 山东科技大学 | Coal and gangue classifier for exploiting thick coal seams with dirt band |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 255086 Shandong province Zibo City Yumin Road hi tech Development Zone No. 169 Patentee after: Shandong Borun Process Industrial Technology Corp., Ltd. Address before: 255086 Shandong province Zibo City Yumin Road hi tech Development Zone No. 169 Patentee before: Shandong Borun Process Industrial Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20130918 |
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| RGAV | Abandon patent right to avoid regrant |