CN102321495A - Quality-improving device combining crushing and drying of lignite as a whole - Google Patents
Quality-improving device combining crushing and drying of lignite as a whole Download PDFInfo
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- CN102321495A CN102321495A CN201110242692A CN201110242692A CN102321495A CN 102321495 A CN102321495 A CN 102321495A CN 201110242692 A CN201110242692 A CN 201110242692A CN 201110242692 A CN201110242692 A CN 201110242692A CN 102321495 A CN102321495 A CN 102321495A
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- drying
- heat exchanger
- fragmentation
- exchanger plates
- brown coal
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Abstract
The invention discloses a quality-improving device combining crushing and drying of lignite as a whole, which comprises a pedestal, a furnace body, a material distribution disc, a crushing roller, a heat-exchange plate, and a driving device; the furnace body is mounted above the pedestal; a high-speed hot gas inlet is disposed on the pedestal and is communicated with a cavity of the furnace body; the heat-exchange plate is a hollow plate; the heat-exchange plate is respectively connected with a gas-charging pipe group and a gas-discharging pipe group on a shell wall of the furnace body; a material inlet and a material outlet are disposed at the upper part of the furnace body; a material-charging pipe and a stacking warehouse are disposed inside the furnace body; one end of a material-charging pipe corresponds to the material inlet, and the other end is communicated with the stacking warehouse; the bottom end of the stacking warehouse contacts the material distribution disc; the crushing roller is disposed above the material distribution disc; a gap is provided between the crushing roller and the material distribution disc; the material distribution disc is mounted on the driving device; the driving device is located inside the pedestal. The device has a simple structure, high efficiency, low device cost, small device land occupation, adjustable granularity of discharged lignite, and a large applicable range of granularity of charged lignite.
Description
Technical field
The invention belongs to coal high-efficiency and utilize technical field, especially relate to a kind of fragmentation that collects brown coal and be the device for improving quality of one with drying.
Background technology
Brown coal have another name called the bavin coal, are the minimum pit coals of degree of coalification, a kind of brownish black, lacklustre grizzle between peat and pitch coal.China's brown coal proven reserve are 1,303 hundred million tons, account for 1/3 of coal in China reserves, and reserves are huge.And the general depth of burial of brown coal is shallow, and minable coal seam is thick, and cost of winning is low, suitable mostly strip mining transformation.But, because brown coal calorific value low (generally between 2700-3600Kcal/kg), moisture high (total water is between 26-40%), run-of-mine coal (ROM coal) is soft, and porosity is big, and is easy cracked, easy-weathering, oxidation, burning-point is low, the outward transport difficulty.Inner Mongol brown coal reserves account for 77% of the whole nation, because the Inner Mongol serious water shortage can not develop electric power stations near coal-mines in a large number; The essential outward transport of the brown coal that produce; And, need to carry out dehydrating after the fragmentation to brown coal in order just addressing this problem, and then to transport again because remote transportation is uneconomical.
At present state, inside and outside, the fragmentation of brown coal and drying plant are separate equipment separately, brown coal broken general adopts that hammer breaks etc.; The drying plant kind of brown coal is more, and roller drying, vibrating mixed flow drying, fluidised bed drying etc. are arranged.Technical process generally with the high-moisture brown coal after the fragmentation through screening, satisfy the dry belt that passes through that requires and be delivered to moisture eliminator and carry out drying, can not satisfy the dry macrobead that requires, then get into crusher and carry out once more broken through revert system.In technology, break to the thin of brown coal, need set up corresponding disintegrating apparatus specially, the brown coal after the fragmentation need adopt belt or bucket to carry and be transported to moisture eliminator again.These equipment take up an area of big, and investment is high, and flow process is complicated.Present stage, state, inside and outside be not the brown coal device for improving quality of one also with the broken of brown coal and dry collection.
Summary of the invention
For addressing the above problem; The purpose of this invention is to provide a kind of fragmentation that collects brown coal is the device for improving quality of one with drying; This equipment has been realized pulverizing and exsiccant process combination, has significantly reduced the floor space of brown coal upgrading devices, has reduced equipment cost; Drying efficiency is high, has greatly improved production efficiency.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme:
A kind of fragmentation that collects brown coal is the device for improving quality of one with dry, comprises base, body of heater, cloth tray, breaker roll, heat exchanger plates and drive unit, and body of heater is installed in the top of base; Base is provided with the high speed hot gas inlet that communicates with the body of heater inner chamber, and upper of furnace body is provided with material inlet and material outlet, is provided with heat exchanger plates, feed-pipe and accumulation storehouse in the body of heater; Heat exchanger plates is the platy structure of hollow, and said heat exchanger plates connects the air inlet nest of tubes that is arranged on the body of heater shell wall and the nest of tubes of giving vent to anger respectively, and feed-pipe one end is corresponding with material inlet; The other end communicates with the accumulation storehouse; Pile up the bottom, storehouse and contact with cloth tray, the cloth tray top is provided with breaker roll, and is gapped between breaker roll and the cloth tray; Cloth tray is installed on the drive unit, and drive unit is positioned at base.
The fragmentation of described collection brown coal is the device for improving quality of one with drying, and its heat exchanger plates is provided with heat exchanger plates and supports.
The fragmentation of described collection brown coal is the device for improving quality of one with drying, and its heat exchanger plates is obliquely installed.
The fragmentation of described collection brown coal is the device for improving quality of one with drying, and its angle of inclination of adjustment is supported through heat exchange in the angle of inclination of its heat exchanger plates.
The fragmentation of described collection brown coal is the device for improving quality of one with drying, and it is piled up to be provided with between storehouse and the body of heater shell wall and piles up the storehouse support.
The fragmentation of described collection brown coal is the device for improving quality of one with drying, and the outer wall of its feed-pipe is provided with feed-pipe and supports
The fragmentation of described collection brown coal and drying are the device for improving quality of one, and its breaker roll is at least 2, and on cloth tray symmetric arrangement.
The fragmentation of described collection brown coal is the device for improving quality of one with drying, and it is piled up the storehouse and is the hourglass shape structure.
Because adopt aforesaid technical scheme, the present invention has following meliority:
1, the plant area area is little.The fragmentation of original brown coal and drying plant are independent of each other, therefore just need occupy very big place respectively, and need other working equipment in the process with the mass transport after the fragmentation to moisture eliminator and take corresponding place.The efficient device for improving quality of these integrated form brown coal only need occupy original drying nest place, 1/5 of traditional technology layout that the place occupation rate is not enough.
2, equipment cost is low.The efficient device for improving quality of integrated form brown coal has been saved the handling equipment in mass transport to the drying plant process of broken back, compare traditional fragmentation and drying process equipment, and its cost has reduced more than 1/2.
3, efficient simple in structure is high.The efficient device for improving quality of integrated form brown coal can be controlled its heat interchanging area through the control of exchange hot plate (pipe) quantity; Through to the adjustment of the gap between cloth tray and the breaker roll, satisfy the grain graininess requirement of its broken back material.
4, the scope of application of charging brown coal granularity is bigger.Owing to adopt roll-in broken, the granularity of its charging brown coal can be selected different sizes for use according to the diameter of breaker roll, and the maximum feed granularity can reach 200mm.
5, the granularity of discharging brown coal can be adjusted.Discharging brown coal granularity can be adjusted gap and the crushing force of breaker roll between breaker roll and the cloth tray through adjustment hydraulic ram or spring; And then change the granularity of broken back material; In addition; Through the wind speed of adjustment high speed hot gas, the angle of heat exchanger plates, come the further size range of the dry back of control material, dry back raw meal particle size can be 0
~Adjust as required between the 10mm.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 be among Fig. 1 H-H to sectional view;
Fig. 3 be among Fig. 1 K to partial view;
Among the figure: the 1-base; The 2-body of heater; The 3-cloth tray; The 4-breaker roll; 5-piles up the storehouse; 6-piles up the storehouse and supports; The 7-feed-pipe supports; The 8-feed-pipe; The 9-heat exchanger plates; The 10-heat exchanger plates supports; The 11-drive unit; 12-high speed hot gas inlet; The 13-material inlet; The 14-material outlet; 15-air inlet nest of tubes; The 16-nest of tubes of giving vent to anger.
Embodiment
Through accompanying drawing and embodiment the present invention is done further explain below.
Like Fig. 1,2, shown in 3, a kind of fragmentation that collects brown coal is the device for improving quality of one with dry, comprises base 1, body of heater 2, cloth tray 3, breaker roll 4, heat exchanger plates 9 and drive unit 11; Body of heater 2 is installed in the top of base 1, and base 1 is provided with the high speed hot gas inlet 12 that communicates with the body of heater inner chamber, and body of heater 2 tops are provided with material inlet 13 and material outlet 14; Be provided with heat exchanger plates 9, feed-pipe 8 in the body of heater 2 and pile up storehouse 5; Heat exchanger plates 9 is the platy structure of hollow, and said heat exchanger plates 9 connects the air inlet nest of tubes 15 that is arranged on body of heater 2 shell walls and the nest of tubes 16 of giving vent to anger respectively, and feed-pipe 8 one ends are corresponding with material inlet 13; The other end communicates with accumulation storehouse 5; Pile up 5 bottoms, storehouse and contact with cloth tray 3, cloth tray 3 tops are provided with breaker roll 4, between breaker roll 4 and the cloth tray 3 certain clearance are arranged; Cloth tray 3 is installed on the drive unit 11, and drive unit 11 is positioned at base 1; Be respectively arranged with on the outer wall of described accumulation storehouse 5, feed-pipe 8 and the heat exchanger plates 9 and pile up storehouse support 6, feed-pipe support 7 and heat exchanger plates support 10.
The hollow structure heat exchanger plates 9 of said body of heater 2 set inside; Can carry out redrying to material; In air inlet nest of tubes 15, feed high-temperature gas, after one week of 9 internal recycle, discharge through giving vent to anger by nest of tubes 16 at heat exchanger plates for high-temperature gas; Under the effect of high-temperature gas, after being heated, heat exchanger plates 9 can carry out redrying to the material of following high speed hot gas to rise after the fragmentation; Said heat exchanger plates 9 be set to certain angle; Support the angle of inclination of the said heat exchanger plates 9 of 10 adjustment through heat exchanger plates; When making the high speed flue gas drive the material rising of dry back,, prolonged time of drying with heat exchanger plates 9 angled collisions and change flue gas trend through adjusting angle; And make large granular materials collide fragmentation, simultaneously, the change of flue gas trend carries out fragmentation because of making the oversized particles material under the effect of gravity, come back to cloth tray 3.
Gap between said cloth tray 3 and the breaker roll 4 can be adjusted through hydraulic ram or spring system, thereby satisfies the processing requirement of raw meal particle size.
Said accumulation storehouse 5 is the hourglass shape structure, guaranteed material drop to after the cloth tray 3 uniformly to around diffusion, and fragmentation is carried out in orderly moving between breaker roll 4 and the cloth tray 3.
Described breaker roll 4 has 2 at least, and on cloth tray 3 symmetric arrangement, the quantity of breaker roll 4 can adopt different quantities according to the difference of material characteristic and the difference of the structural performance of equipment own.
During work; Feed high speed hot gas from high speed hot gas inlet 12, material is sent into body of heater 2 inside and fallen into accumulation storehouse 5 along feed-pipe 8 along material inlet 13, material forms an accumulation area at the hypomere of piling up storehouse 5; Along with cloth tray 3 is rotated under the effect of drive unit 11; Pile up in 5 hypomeres of storehouse material gradually to around diffusion, and move to and outwards in having between breaker roll 4 and the cloth tray 3 roll fragmentation gradually, the material after the fragmentation falls along cloth tray 3 edges; Run into the high speed hot gas that gets into through high speed hot gas inlet 12 in the material dropping process, the material after the high speed hot gas drive fragmentation moves up and carries out drying.Material drives in the process that moves up at high speed hot gas; With accumulation storehouse 5 outer walls and heat exchanger plates 9 collisions, high speed hot gas runs into to be piled up after storehouse 5 and the heat exchanger plates 9, can change ascent direction gradually; To having played the prolongation effect time of drying of material; In addition, material with heat exchanger plates 9 striking process in, the high-temperature gas that feeds in the heat exchanger plates 9 is discharged and material is carried out redrying from the nest of tubes 16 of giving vent to anger; Material after the fragmentation makes underproof large granular materials return cloth tray 3 in collision process or piles up storehouse 5, and carries out fragmentation once more, and qualified particle is discharged and collected through follow-up equipment through material outlet 14 under the drive of high speed hot gas.
Claims (8)
1. a fragmentation that collects brown coal is the device for improving quality of one with drying; It is characterized in that: comprise base (1), body of heater (2), cloth tray (3), breaker roll (4), heat exchanger plates (9) and drive unit (11); Body of heater (2) is installed in the top of base (1), and base (1) is provided with the high speed hot gas inlet (12) that communicates with the body of heater inner chamber, and body of heater (2) top is provided with material inlet (13) and material outlet (14); Be provided with heat exchanger plates (9), feed-pipe (8) in the body of heater (2) and pile up storehouse (5); Heat exchanger plates (9) is the platy structure of hollow, and said heat exchanger plates (9) connects air inlet nest of tubes (15) and the nest of tubes of giving vent to anger (16) that is arranged on body of heater (2) shell wall respectively, and feed-pipe (8) one ends are corresponding with material inlet (13); The other end communicates with accumulation storehouse (5); Pile up bottom, storehouse (5) and contact with cloth tray (3), cloth tray (3) top is provided with breaker roll (4), and is gapped between breaker roll (4) and the cloth tray (3); Cloth tray 3 is installed on the drive unit (11), and drive unit (11) is positioned at base (1).
2. the fragmentation of collection brown coal according to claim 1 is the device for improving quality of one with drying, it is characterized in that: described heat exchanger plates (9) is provided with heat exchanger plates and supports (10).
3. the fragmentation of collection brown coal according to claim 1 and 2 is the device for improving quality of one with drying, and it is characterized in that: said heat exchanger plates (9) is obliquely installed.
4. the fragmentation of collection brown coal according to claim 3 is the device for improving quality of one with drying, it is characterized in that: said heat exchanger plates (9) supports (10) through heat exchanger plates and adjusts its angle of inclination.
5. the fragmentation of collection brown coal according to claim 1 is the device for improving quality of one with drying, it is characterized in that: be provided with between described accumulation storehouse (5) and body of heater (2) shell wall and pile up storehouse support (6).
6. the fragmentation of collection brown coal according to claim 1 is the device for improving quality of one with drying, it is characterized in that: the outer wall of described feed-pipe (8) is provided with feed-pipe and supports (7).
7. the fragmentation of collection brown coal according to claim 3 is the device for improving quality of one with drying, and it is characterized in that: described breaker roll (4) is at least 2, and goes up symmetric arrangement in cloth tray (3).
8. the fragmentation of collection brown coal according to claim 1 is the device for improving quality of one with drying, it is characterized in that: described accumulation storehouse (5) is the hourglass shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110242692 CN102321495B (en) | 2011-08-23 | 2011-08-23 | Quality-improving device combining crushing and drying of lignite as a whole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110242692 CN102321495B (en) | 2011-08-23 | 2011-08-23 | Quality-improving device combining crushing and drying of lignite as a whole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102321495A true CN102321495A (en) | 2012-01-18 |
| CN102321495B CN102321495B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110242692 Expired - Fee Related CN102321495B (en) | 2011-08-23 | 2011-08-23 | Quality-improving device combining crushing and drying of lignite as a whole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241182A (en) * | 2015-10-22 | 2016-01-13 | 中国矿业大学 | Brown coal drying system and method |
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| US4355586A (en) * | 1980-11-17 | 1982-10-26 | Brown Charles K | Solid fuel gasification system |
| CN2370358Y (en) * | 1999-03-09 | 2000-03-22 | 张鸿飞 | Vertical double rotary wheel drier for paste material |
| US6572040B1 (en) * | 1998-11-09 | 2003-06-03 | Himicro Incorporated | Coal grinding, cleaning and drying processor |
| CN101575541A (en) * | 2009-06-10 | 2009-11-11 | 煤炭科学研究总院 | System and process for coal powder preparation |
| CN101706196A (en) * | 2009-10-12 | 2010-05-12 | 郑州拉姆顿清洁能源工程技术有限公司 | Oxygen-free drying and upgrading system of lignite and lignite drying process |
| CN201753345U (en) * | 2010-07-09 | 2011-03-02 | 山东天力干燥设备有限公司 | Superheated steam reinforced circulation graded crushing upgrading system for lignite |
| CN201795668U (en) * | 2010-05-26 | 2011-04-13 | 深圳市兖能环保科技有限公司 | Waste derive fuel dryer |
| CN201801491U (en) * | 2010-09-26 | 2011-04-20 | 中冶焦耐(大连)工程技术有限公司 | Device for simultaneously grading and humidifying coking coal by aid of coke oven thermal flue gas |
| US20110192080A1 (en) * | 2008-06-02 | 2011-08-11 | Paul Wurth S.A. | Method for producing pulverized coal |
-
2011
- 2011-08-23 CN CN 201110242692 patent/CN102321495B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355586A (en) * | 1980-11-17 | 1982-10-26 | Brown Charles K | Solid fuel gasification system |
| US6572040B1 (en) * | 1998-11-09 | 2003-06-03 | Himicro Incorporated | Coal grinding, cleaning and drying processor |
| CN2370358Y (en) * | 1999-03-09 | 2000-03-22 | 张鸿飞 | Vertical double rotary wheel drier for paste material |
| US20110192080A1 (en) * | 2008-06-02 | 2011-08-11 | Paul Wurth S.A. | Method for producing pulverized coal |
| CN101575541A (en) * | 2009-06-10 | 2009-11-11 | 煤炭科学研究总院 | System and process for coal powder preparation |
| CN101706196A (en) * | 2009-10-12 | 2010-05-12 | 郑州拉姆顿清洁能源工程技术有限公司 | Oxygen-free drying and upgrading system of lignite and lignite drying process |
| CN201795668U (en) * | 2010-05-26 | 2011-04-13 | 深圳市兖能环保科技有限公司 | Waste derive fuel dryer |
| CN201753345U (en) * | 2010-07-09 | 2011-03-02 | 山东天力干燥设备有限公司 | Superheated steam reinforced circulation graded crushing upgrading system for lignite |
| CN201801491U (en) * | 2010-09-26 | 2011-04-20 | 中冶焦耐(大连)工程技术有限公司 | Device for simultaneously grading and humidifying coking coal by aid of coke oven thermal flue gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241182A (en) * | 2015-10-22 | 2016-01-13 | 中国矿业大学 | Brown coal drying system and method |
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| CN102321495B (en) | 2013-10-16 |
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Inventor after: Ren Qinxin Inventor after: Zhang Guangji Inventor after: Chen Hua Inventor after: Fu Xiaorong Inventor after: Zhou Wei Inventor after: Wang Jisheng Inventor after: Qi Tianming Inventor after: Hao Bing Inventor after: Cui Langlang Inventor after: Zhang Guangyu Inventor after: Jiang Huimin Inventor after: Yao Longtao Inventor after: Xiao Dezheng Inventor before: Ren Qinxin Inventor before: Wang Jisheng Inventor before: Qi Tianming Inventor before: Hao Bing Inventor before: Cui Langlang |
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Free format text: CORRECT: INVENTOR; FROM: REN QINXIN WANG JISHENG QI TIANMING HAO BING CUI LANGLANG TO: REN QINXIN WANG JISHENG QI TIANMING HAO BING CUI LANGLANG ZHANG GUANGYU JIANG HUIMIN YAO LONGTAO XIAO DEZHENG ZHANG GUANGJI CHEN HUA FU XIAORONG ZHOU WEI |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20200823 |