CN104998715A - Dry-type coal dressing method - Google Patents
Dry-type coal dressing method Download PDFInfo
- Publication number
- CN104998715A CN104998715A CN201510498724.8A CN201510498724A CN104998715A CN 104998715 A CN104998715 A CN 104998715A CN 201510498724 A CN201510498724 A CN 201510498724A CN 104998715 A CN104998715 A CN 104998715A
- Authority
- CN
- China
- Prior art keywords
- coal
- carrier bar
- endless chain
- chain structure
- selection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
Abstract
The invention discloses an air separation chamber of a dry-type coal dressing sorting machine. In the air separation stage, a triangular annular chain structure and a shock excitation structure are used, and further, the chain plate is used for recovering metal impurities separated in the later period in a united manner, and metal impurities in higher purity can be recovered, and metal waste is avoided; and besides, the air distribution plate can regionally supply pulse air and constant strong wind, and light ash is locked; ash can be combined with water vapor generated by previously heating raw coal, and ash can be recovered conveniently.
Description
The present invention is the divisional application of patent of invention " a kind of dry type coal preparation method ", and the applying date of original application is on March 14th, 2014, and the application number of original application is 2014100945913, and the invention and created name of original application is " a kind of dry type coal preparation method.
Technical field
The present invention relates to a kind of coal preparation method, belong to dry type Concentrating Field.
Background technology
Existing coal separation method adopts wet split, and this method remains the pollution of coal slime after not only causing washing, and water consumption large, invest high, such as utilize dense medium cyclone and hydraulic jig to carry out coal separation.More than 2/3rds of coal in China recoverable reserves is distributed in the ground such as Shaanxi, the Inner Mongol, Shanxi of severe drought lack of water.Therefore in the urgent need to a kind of novel dry separation technology and equipment.Therefore Concentrating Field has engendered air dense medium coal picker in recent years, as dressing coal with dry fluidized bed method and the device thereof of China Mining College's research and development, refers to CN1005314A.And this kind of technology is also very ripe, a lot of Tangshan heavy industry enterprise is at this series products of production.But the empty Jie's coal picker of air also has its defect, be first exactly that this kind of machine has requirement to selected raw coal, raw coal water content directly will block air distribution plate too greatly, and coal is dried, be only the moisture content removed, a large amount of heats wastes, although water saving power consumption is also very serious; Secondly, this equipment use dense media, dense media is generally iron powder, need to carry out de-mediated to concentrate and tailings after dense medium is separated, also need frequent to supplement medium to air dense medium bed, not only add sorting cost, also likely cleaned coal is polluted, the present requirement more and more higher to pure coal cannot be reached; 3rd, the impurity of the granule non-ferromagnetic metal ore class in coal cannot be processed, such as copper class impurity, the ore particle grade of these metal species is less, easily carried secretly by coal dust coal grain in airbed and be selected into cleaned coal, being namely not easy during dense medium sorting to discharge completely and the magnetic separation recovering medium stage can not be selected completely.
Also have a kind of Wind-powered jigging dry method coal separator, as CN2889496Y, it utilizes the vibration of sieve plate and common wind, the compound motion of pulse wind reaches the object of sorting, finally can sub-elect troilite grain, cleaned coal and spoil.But this coal picker is only remove troilite grain with gravity treatment, and precision is very low, and (flotation also can remove iron ore grain sometimes to need again to carry out magnetic separation, but as using the area of dry type coal preparation method, water resource is rare, uses flotation to carry out coal separation hardly), which again increases the cost of sorting.And some together can not be discharged with spoil through sieve plate as the pure iron of damaged screw and so on, causes waste.The research of this patent to cloth wind also only rests on the primary stage, how those skilled in the art therefrom cannot learn to be only with wind and " can arrange volume damper on each branched bottom; for adjusting each little air compartment air quantity; reach whole sorting bed air quantity even; or adjust the air quantity of sorting bed different parts on demand, to reach the desirable of sorting material.”。
Summary of the invention
The object of the present invention is to provide a kind of dry type coal preparation method, solve the defect of dry type coal separation in aforesaid prior art.
The present invention realizes by the following method:
This dry type coal preparation method, which employs fragmentation, heating, temperature identification discharge, selection by winnowing, chain type discharge step, raw coal is divided into final cleaned coal, spoil, metal impurities.
Be more preferably, described destruction step is that raw coal enters first band conveyer belt by feeding groove, and first band conveyer belt is provided with breaker roll, and breaker roll circumferentially arranges broken block, and broken block is connected with breaker roll main body high resiliency, raw coal is ground into the feed particle size of regulation;
Being heated to be above first band conveyer belt, after breaker roll, connecing heating arrangement, for drying the coal after fragmentation, removing the too much moisture content in raw coal;
Temperature identification discharge, the discharge end of first band conveyer belt is provided with temperature detection, discharge structure, and it identifies metal impurities and gets rid of, and metal impurities are discharged to metal impurities row mouth;
Selection by winnowing and chain type discharge carry out in selection by winnowing room, be positioned at temperature detection, the below of discharge structure, selection by winnowing indoor have endless chain structure, endless chain structure is triangular arrangement, endless chain structure entirety is connected with excitation structure, under air distribution plate and excitation structure acting in conjunction, the inclined plane that coal charge forms along carrier bar glides, separated cleaned coal falls into cleaned coal outlet, spoil falls into spoil outlet, in selection by winnowing room, endless chain structure bottom also has metal impurities row mouth, metal impurities row mouth is positioned at cleaned coal outlet opposite side, metal impurities are pushed to metal impurities row mouth by the carrier bar opened,
Be more preferably, air distribution plate is be arranged in parallel with corresponding carrier bar.
Be more preferably, controller is connected with endless chain structure with breaker roll, first band conveyer belt, temperature detection discharge structure, heating arrangement, confession blower fan, and controller has man-machine interface, manually can input the operating parameters of these structures.
Be more preferably, air distribution plate divides two pieces of regions, and be pulse wind region near top, bottom is lasting high wind region.
Be more preferably, when carrier bar opens and endless chain be 90 degree, and keep this angle, until carrier bar forwards coal charge transport section to.
The invention has the beneficial effects as follows:
1) combine the advantage of the chain type discharge of air dense-medium separation machine and the inclined-plane sieve plate of air jigging in prior art, do not use dense media, greatly reduce sorting cost, using water wisely and electricity consumption;
2) heat of drying raw coal is taken full advantage of, before entering selection by winnowing, these metal impurities are just discharged with temperature sensor identification metal impurities, also utilize carrier bar to reclaim follow-up further isolated metal impurities are unified, more reclaimed metal impurities to high-purity, prevented metals resources from wasting;
3) air distribution plate subregion is for pulse wind and lasting high wind, pins light grey matter; Grey matter can also be combined with heating before the water vapour that raw coal produces, and is convenient to reclaim grey matter.
Accompanying drawing explanation
Fig. 1 is the structural representation of dry type coal picker.
In figure: 1. feeding groove, 2. first band conveyer belt, 3. controller, 4. metal impurities row mouth, 5. carrier bar, 6. air distribution plate, 7. spoil row mouth, 8. cleaned coal row mouth, 9. sprocket wheel, 10. air feed bus, 11. for blower fan, 12. dust removal machines, 13. temperature detection discharge structures, 14. heating arrangements, 15. breaker rolls.
Detailed description of the invention
Be described further below in conjunction with accompanying drawing:
As shown in Figure 1, dry type coal picker of the present invention comprises separator main body, feeding groove 1 is had above separator main body, it is first band conveyer belt 2 under feeding groove, first band conveyer belt 2 is provided with breaker roll 15, for raw coal being ground into the feed particle size of regulation, first band conveyer belt 2 is the outer covered metal plate of glue formula conveyer belt, it can provide the broken basic plane of a larger intensity for fragmentation, breaker roll circumferentially arranges broken block, these broken blocks are connected with breaker roll main body high resiliency, if run into the spoil block that hardness is excessive, broken block bounces back to breaker roll main body, breaker roll can be avoided like this to damage or the shutdown of whole piece sorting streamline.Heating arrangement 14 is connect after breaker roll 15, heating arrangement is used for drying the coal after fragmentation, removes the too much moisture content in raw coal, prevents the coal dust wet from blocking air holes on carrier bar when sorting below, heating arrangement, originally as prior art, does not repeat them here.The discharge end of first band conveyer belt 2 is provided with temperature detection discharge structure 13, find this is because inventor divides in selection operation in reality, metal impurities are as troilite grain, temperature all can higher than coal grain when heating for damaged screw and copper mine grain etc., therefore this characteristic is utilized, while heating arrangement 14 removes raw coal excessive moisture, also metal impurities are heated to the temperature that enough and coal distinguishes, such temperature detection discharge structure 13 is by identifying these metal impurities to the detection of temperature and get rid of, most metal impurities are just excluded before entering selection by winnowing, sorting below can not be entered.
Coal charge through the sorting of temperature detection discharge structure 13 laggard enter selection by winnowing room, selection by winnowing indoor have endless chain structure, endless chain structure entirety is connected with excitation structure, endless chain structure is supported by three sprocket wheels 9 of inside, become a three-legged structure, endless chain structure is provided with multiple carrier bar 5, carrier bar 5 one end is articulated in endless chain structure, when carrier bar 5 is positioned at coal charge thrown wall, carrier bar 5 forms a plane for coal charge transport, the metal impurities running orbit side that carrier bar 5 is positioned at below endless chain structure or is discharged, carrier bar 5 rotates and is in open configuration.Be preferably, when carrier bar 5 opens and endless chain be 90 degree.Carrier bar 5 has multiple air holes, and the wind energy that air distribution plate 6 blows out is enough to be acted on coal charge stream through air holes.Air distribution plate preferably be arranged in parallel with corresponding connecting plate.The wind-force of air distribution plate 6 and excitation structure acting in conjunction are in coal charge stream, and air distribution plate 6 points of two pieces of regions are pulse wind region near top, and this region is by pulse wind by coal grain and the layering of spoil grain, and coal grain is on spoil grain.When coal charge flows through the lower area of air distribution plate 6, coal grain separates with spoil by the high wind of the blowout of air distribution plate, cleaned coal falls into cleaned coal outlet 8, spoil falls into spoil outlet 7, grey matter is thrown in the air by the pulse wind of air distribution plate, grey matter is turned back after meeting the such sustained wind of high wind, is namely locked in certain region, is caught afterwards by dust removal machine 12.So just achieve the possibility preventing grey matter from misprinting out from cleaned coal outlet 8 and spoil outlet 7.In addition, coal charge is downward in endless chain structure surface thereof, under the action of the forces of the wind, pressure between itself and carrier bar 5 reduces, therefore frictional force also reduces, coal charge stream annularly chain apparent motion quickening under the component of gravity, this not only accelerates the output that sorting also reduces the transport power of endless chain structure.Those skilled in the art can select the angle in inclination selection by winnowing face, and angle is unsuitable excessive, otherwise coal charge flowing is uncontrollable.
In the selection by winnowing stage, the troilite particle be not discharged in the temperature impurities removal stage drops to bottom selection by winnowing room by the air holes on carrier bar, is pushed to metal impurities row mouth 4 by the carrier bar below endless chain structure.If the metal impurities that the temperature impurities removal stage is discharged are blocked by the carrier bar 5 opened when metal impurities row mouth 4 falls, then can be slipped to bottom selection by winnowing room, be pushed to metal impurities row mouth 4 equally.Like this, metal impurities, by separating from coal charge stream with higher purity, are convenient to recovery below.
Air distribution plate 6, dust removal machine 12 and form airflow circulating for blower fan 11 and air feed bus 10, the water vapours produced after heating arrangement 14 pairs of coals heating are introduced in airflow circulating, and are combined with calcareous facies and are beneficial to grey matter in dust removal machine 12 sedimentation.
Controller 3 is connected with endless chain structure with breaker roll 15, first band conveyer belt 2, temperature detection, discharge structure 13, heating arrangement 14, confession blower fan 11, controller 3 has man-machine interface, manually can input the operating parameters of these structures, thus make whole assorting room steady.
Although carried out special description with reference to embodiment to the disclosed dry type coal preparation method related to; embodiment described above is illustrative and not restrictive; without departing from the present invention, all changes and amendment are all within protection scope of the present invention.
Claims (4)
1. the selection by winnowing room of a dry type coal separation separator, it is characterized in that: selection by winnowing indoor have endless chain structure, endless chain structure entirety is connected with excitation structure, endless chain structure is supported by three sprocket wheels (9) of inside, become a three-legged structure, endless chain structure is provided with multiple carrier bar (5), carrier bar (5) one end is articulated in endless chain structure, when carrier bar is positioned at coal charge thrown wall, carrier bar forms a plane for coal charge transport, the metal impurities running orbit side that carrier bar (5) is positioned at below endless chain structure or is discharged, carrier bar (5) rotates and is in open configuration, and carrier bar has multiple air holes for cloth wind, the wind that air distribution plate (6) blows out acts on coal charge stream through air holes.
2. selection by winnowing room according to claim 1, is characterized in that: when described carrier bar (5) opens and endless chain be 90 degree.
3. the selection by winnowing room according to claim 1-2, is characterized in that: the wind energy that described air distribution plate (6) blows out is enough to be acted on coal charge stream through air holes.
4. the selection by winnowing room according to claim 1-3, is characterized in that: air distribution plate is be arranged in parallel with corresponding connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510498724.8A CN104998715B (en) | 2014-03-14 | 2014-03-14 | Dry coal dressing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510498724.8A CN104998715B (en) | 2014-03-14 | 2014-03-14 | Dry coal dressing method |
| CN201410094591.3A CN103801426B (en) | 2014-03-14 | 2014-03-14 | A kind of dry type coal preparation method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094591.3A Division CN103801426B (en) | 2014-03-14 | 2014-03-14 | A kind of dry type coal preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104998715A true CN104998715A (en) | 2015-10-28 |
| CN104998715B CN104998715B (en) | 2020-12-18 |
Family
ID=50699096
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510498724.8A Active CN104998715B (en) | 2014-03-14 | 2014-03-14 | Dry coal dressing method |
| CN201410094591.3A Active CN103801426B (en) | 2014-03-14 | 2014-03-14 | A kind of dry type coal preparation method |
| CN201510506084.0A Pending CN105057023A (en) | 2014-03-14 | 2014-03-14 | Dry coal dressing method |
| CN201510511980.6A Pending CN104998745A (en) | 2014-03-14 | 2014-03-14 | Dry type coal dressing method |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094591.3A Active CN103801426B (en) | 2014-03-14 | 2014-03-14 | A kind of dry type coal preparation method |
| CN201510506084.0A Pending CN105057023A (en) | 2014-03-14 | 2014-03-14 | Dry coal dressing method |
| CN201510511980.6A Pending CN104998745A (en) | 2014-03-14 | 2014-03-14 | Dry type coal dressing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN104998715B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290457A (en) * | 2016-08-15 | 2017-01-04 | 安德斌 | A kind of method based on temperature identification coal and gangue and special equipment |
| CN116213010A (en) * | 2023-03-27 | 2023-06-06 | 兰州兰煤节净能源有限公司 | Grinding mechanism applied to pulverized coal production |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971818B (en) * | 2015-06-19 | 2018-05-11 | 海门名驰工业设计有限公司 | A kind of ore lapping device |
| CN105149073A (en) * | 2015-10-09 | 2015-12-16 | 湖南万通科技有限公司 | Feeding crushing device |
| CN105363520B (en) * | 2015-11-13 | 2017-10-13 | 中国矿业大学 | A kind of hydraulic roll breaker |
| CN107676093B (en) * | 2017-10-17 | 2019-03-08 | 河南理工大学 | The recognition methods of microwave irradiation-infra-red detection coal, cash |
| CN110003968B (en) * | 2019-04-12 | 2020-11-20 | 王天宇 | Coal desulfurization device |
| CN110449259B (en) * | 2019-08-20 | 2021-10-08 | 神华神东煤炭集团有限责任公司 | Desliming equipment and desliming process |
| CN110404824A (en) * | 2019-08-21 | 2019-11-05 | 桂林电子科技大学 | A kind of raw coal and the quick sorting unit of gangue and method |
| CN113941451A (en) * | 2021-10-19 | 2022-01-18 | 柳晶科技集团(常州)股份有限公司 | Method for electrostatic separation casting of coal dust in fly ash |
| CN114308655B (en) * | 2021-12-24 | 2022-11-25 | 安徽理工大学 | Annular coal gangue sorting device and using method thereof |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB343946A (en) * | 1929-08-19 | 1931-02-19 | Colin William Higham Holmes | Improvements in and relating to the separation of dry materials |
| GB344802A (en) * | 1929-08-28 | 1931-03-02 | Colin William Higham Holmes | Improvements in and relating to the separation of dry materials |
| GB437702A (en) * | 1934-01-16 | 1935-11-04 | Francois Allard | Process and apparatus for the pneumatic separation of materials comprising elements of different specific weight |
| US4010096A (en) * | 1975-10-09 | 1977-03-01 | Allis-Chalmers Corporation | Pneumatic classifier for refuse material with adjustable air intake |
| CN2173221Y (en) * | 1993-08-16 | 1994-08-03 | 林之文 | Multi-function salt recovering machine |
| CN1105214A (en) * | 1993-10-22 | 1995-07-19 | 万国烟草公司 | Modular style multi-separator |
| CN1154272A (en) * | 1995-09-18 | 1997-07-16 | 森斯迪菲布雷托洛维沙有限公司 | Apparatus for separating heavy particles of material from lighter ones |
| CN2280557Y (en) * | 1996-10-30 | 1998-05-06 | 关兴杰 | Device for taking and feeding lining plate of coal grinder |
| CN2629823Y (en) * | 2003-02-13 | 2004-08-04 | 倪芳彬 | Ore crushing-screening integrating machine |
| CN2663027Y (en) * | 2003-10-09 | 2004-12-15 | 任尚锦 | Pneumatic dry dressing machine |
| CN1593774A (en) * | 2003-09-12 | 2005-03-16 | 唐山市神州机械有限公司 | Dry-process separating bed, combined type dry-process separator adopting the separating bed and separating device |
| CN1863603A (en) * | 2004-06-01 | 2006-11-15 | V·M·沃洛世恩 | Method for thermographic lump separation of raw material (variants) and device for carrying out said method (variants) |
| CN2889496Y (en) * | 2006-04-27 | 2007-04-18 | 唐山陆凯科技有限公司 | Wind-powered jigging dry method coal separator |
| CN2897426Y (en) * | 2006-04-26 | 2007-05-09 | 张占栋 | Caterpillar spreading roller press with concave frid |
| CN102076431A (en) * | 2008-09-11 | 2011-05-25 | 技术资源有限公司 | Sorting mined material |
| CN102211086A (en) * | 2011-04-21 | 2011-10-12 | 中国矿业大学 | Vibratory air dense media fluidized bed dry method sorting machine |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2014249A (en) * | 1930-11-21 | 1935-09-10 | Peale Davis Company | Method and apparatus for separating refuse from coal |
| US2309355A (en) * | 1940-08-30 | 1943-01-26 | Peale Richard | Mechanism for separating intermixed divided materials |
| US2806601A (en) * | 1952-11-18 | 1957-09-17 | Robert W Beach | Dry ore concentrating devices and methods |
| DE2745424A1 (en) * | 1977-10-08 | 1979-06-07 | Kloeckner Humboldt Deutz Ag | METHOD AND DEVICE FOR DRYING AND FINE GRINDING COAL |
| CN85102512A (en) * | 1985-04-08 | 1985-11-10 | 邓景星 | Ion microwave beneficiation method and ore separators |
| CN1005314B (en) * | 1987-05-28 | 1989-10-04 | 中国矿业学院 | Process and device for dressing coal with dry fluidized bed |
| CN1086434A (en) * | 1993-01-13 | 1994-05-11 | 王凯 | Jinshiling |
| US6467631B2 (en) * | 2001-02-01 | 2002-10-22 | Allmineral Llc | Air sifting apparatus |
| CN2628165Y (en) * | 2003-05-18 | 2004-07-28 | 唐山市神州机械有限公司 | Compound dry coal dressing apparatus |
| CN102049350A (en) * | 2009-10-26 | 2011-05-11 | 孙刚 | Air dense medium dry separation device |
| US8800776B2 (en) * | 2010-04-15 | 2014-08-12 | Allmineral Aufbereitungstechnik Gmbh & Co. Kg | Multi-deck air jigging machine |
| CN201791589U (en) * | 2010-09-01 | 2011-04-13 | 王银河 | Stirring and deslagging machine of organic matter garbage |
| CN103013614A (en) * | 2012-12-28 | 2013-04-03 | 山东博润工业技术股份有限公司 | Coal drying and upgrading method |
| CN103447137B (en) * | 2013-08-09 | 2015-10-07 | 陕西煤业化工技术研究院有限责任公司 | One is coal dust preparation system and method safely and efficiently |
-
2014
- 2014-03-14 CN CN201510498724.8A patent/CN104998715B/en active Active
- 2014-03-14 CN CN201410094591.3A patent/CN103801426B/en active Active
- 2014-03-14 CN CN201510506084.0A patent/CN105057023A/en active Pending
- 2014-03-14 CN CN201510511980.6A patent/CN104998745A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB343946A (en) * | 1929-08-19 | 1931-02-19 | Colin William Higham Holmes | Improvements in and relating to the separation of dry materials |
| GB344802A (en) * | 1929-08-28 | 1931-03-02 | Colin William Higham Holmes | Improvements in and relating to the separation of dry materials |
| GB437702A (en) * | 1934-01-16 | 1935-11-04 | Francois Allard | Process and apparatus for the pneumatic separation of materials comprising elements of different specific weight |
| US4010096A (en) * | 1975-10-09 | 1977-03-01 | Allis-Chalmers Corporation | Pneumatic classifier for refuse material with adjustable air intake |
| CN2173221Y (en) * | 1993-08-16 | 1994-08-03 | 林之文 | Multi-function salt recovering machine |
| CN1105214A (en) * | 1993-10-22 | 1995-07-19 | 万国烟草公司 | Modular style multi-separator |
| CN1154272A (en) * | 1995-09-18 | 1997-07-16 | 森斯迪菲布雷托洛维沙有限公司 | Apparatus for separating heavy particles of material from lighter ones |
| CN2280557Y (en) * | 1996-10-30 | 1998-05-06 | 关兴杰 | Device for taking and feeding lining plate of coal grinder |
| CN2629823Y (en) * | 2003-02-13 | 2004-08-04 | 倪芳彬 | Ore crushing-screening integrating machine |
| CN1593774A (en) * | 2003-09-12 | 2005-03-16 | 唐山市神州机械有限公司 | Dry-process separating bed, combined type dry-process separator adopting the separating bed and separating device |
| CN2663027Y (en) * | 2003-10-09 | 2004-12-15 | 任尚锦 | Pneumatic dry dressing machine |
| CN1863603A (en) * | 2004-06-01 | 2006-11-15 | V·M·沃洛世恩 | Method for thermographic lump separation of raw material (variants) and device for carrying out said method (variants) |
| CN2897426Y (en) * | 2006-04-26 | 2007-05-09 | 张占栋 | Caterpillar spreading roller press with concave frid |
| CN2889496Y (en) * | 2006-04-27 | 2007-04-18 | 唐山陆凯科技有限公司 | Wind-powered jigging dry method coal separator |
| CN102076431A (en) * | 2008-09-11 | 2011-05-25 | 技术资源有限公司 | Sorting mined material |
| CN102211086A (en) * | 2011-04-21 | 2011-10-12 | 中国矿业大学 | Vibratory air dense media fluidized bed dry method sorting machine |
Non-Patent Citations (3)
| Title |
|---|
| 周安宁等: "《洁净煤技术》", 31 July 2010, 中国矿业大学出版社 * |
| 杨惠娣: "《塑料回收与资源再利用》", 31 December 2010, 中国轻工业出版社 * |
| 盖国胜: "《粉体工程》", 31 December 2009, 清华大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290457A (en) * | 2016-08-15 | 2017-01-04 | 安德斌 | A kind of method based on temperature identification coal and gangue and special equipment |
| CN106290457B (en) * | 2016-08-15 | 2018-11-20 | 唐山昂里智能科技有限公司 | A kind of method and special equipment based on temperature identification coal and gangue |
| CN116213010A (en) * | 2023-03-27 | 2023-06-06 | 兰州兰煤节净能源有限公司 | Grinding mechanism applied to pulverized coal production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103801426B (en) | 2015-09-30 |
| CN104998715B (en) | 2020-12-18 |
| CN103801426A (en) | 2014-05-21 |
| CN104998745A (en) | 2015-10-28 |
| CN105057023A (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103801426B (en) | A kind of dry type coal preparation method | |
| US20150209829A1 (en) | Extraction process of clay, silica and iron ore by dry concentration | |
| CN109331989B (en) | Dry dewatering and deashing process for coal full-size fraction | |
| ES2715764T3 (en) | Metal recovery system and method | |
| CN106903138A (en) | Bulky Waste cracking and sorting equipment and technique | |
| CN114555233B (en) | Method and device for the continuous pneumatic separation of particulate material from a mixture of particles of non-uniform size and density | |
| CN103433137A (en) | Breaking and separation integrated comprehensive recovery method of chrysotile tailings | |
| CN106669888A (en) | Efficient roller pressing grinding station and technique thereof | |
| CN102909129A (en) | Multistage efficient magnetic separation process and device for magnetite | |
| CN104874478A (en) | Vibrating magnetic field screening machine | |
| CN103816981B (en) | A kind of dry type coal picker | |
| KR20210080382A (en) | Air separation method and equipment | |
| CN204892121U (en) | Vibrating magnetic field screening machine | |
| CN103433138A (en) | Breaking and separation integrated comprehensive recovery system of chrysotile tailings | |
| CN203862355U (en) | Dry type coal picker | |
| CN102671761B (en) | Dry grinding and dry concentration method for magnetic minerals | |
| CN203678492U (en) | Recycling system of scrap metal materials obtained after scraped car crushing | |
| CN207941612U (en) | The system of processing of energy-efficient coal dust | |
| CN114273074B (en) | Full-size-fraction separation method combining deep powder removal and dry-wet method | |
| CN101912844A (en) | Domestic waste winnowing method and winnowing device | |
| CN115193706A (en) | Winnowing device, grinding and screening device and method for treating secondary aluminum ash in blowing mode | |
| CN103337440A (en) | Automatic separation and production device and method for waste fluorescent lamp material | |
| CN210058990U (en) | Vehicle-mounted mobile intelligent dry separation coal separation device | |
| CN206763102U (en) | A kind of cast steel discards quartz sand recycle device | |
| CN207546982U (en) | A kind of tealeaves and tea dust separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201127 Address after: 318000 Xia Beishan Village, Jiaojiang District, Taizhou City, Zhejiang Province 53-1 Applicant after: TAIZHOU ZHIZI TECHNOLOGY Co.,Ltd. Address before: 324000 Zhejiang city of Quzhou province Quzhou green industrial agglomeration area WITHUB industrial design Industrial Park triumph Road No. 6 Building 2 3-207 Applicant before: QUZHOU YIFAN DESIGN Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221229 Address after: 276000 No. 001, Torch Building, Keji Avenue, high tech Zone, Linyi City, Shandong Province Patentee after: Linyi high tech Real Estate Co.,Ltd. Address before: 318000 53-1, xiabeishan village, Jiazhen street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: TAIZHOU ZHIZI TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: 710000, Room A-291, 3rd Floor, Block F, Building BDEF, Airport International Business Center, Airport New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Yueshengyuan Industrial Co.,Ltd. Address before: 276000 No. 001, Torch Building, Keji Avenue, high tech Zone, Linyi City, Shandong Province Patentee before: Linyi high tech Real Estate Co.,Ltd. |
|
| TR01 | Transfer of patent right |