CN201795668U - Waste derive fuel dryer - Google Patents
Waste derive fuel dryer Download PDFInfo
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- CN201795668U CN201795668U CN2010202045822U CN201020204582U CN201795668U CN 201795668 U CN201795668 U CN 201795668U CN 2010202045822 U CN2010202045822 U CN 2010202045822U CN 201020204582 U CN201020204582 U CN 201020204582U CN 201795668 U CN201795668 U CN 201795668U
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Abstract
A waste derive fuel dryer solves the problems of increase of heat exchanging specific surface area of waste derived fuel to hot air during drying and caking of the waste derived fuel during drying, and overcomes the technical shortcoming of difficult evaporation of water content inside the waste derived fuel. The scheme of the waste derived fuel dryer includes that a stirring crushing shaft is arranged on the axis of a drum type drying kiln and supported onto a dryer frame by the aid of a feed inlet drying kiln seal head and a discharge outlet drying kiln seal head, the stirring crushing shaft is in transmission connection with a stirring crushing motor by a transmission wheel, and stirring fins are evenly arranged on the stirring crushing shaft. The waste derived fuel dryer has the advantages of high drying efficiency and convenience for installation and debugging.
Description
Affiliated technical field
The utility model belongs to environment-friendly garbage treatment facility technology, and particularly a kind of being used for dehydrates the garbage fuel highly effective drying machine of processing at the granular fuel manufacturing process of domestic high humidity composting to the rubbish of sorting fragmentation,
Background technology
The present situation of 1 China's rubbish and characteristic
Secondary energy sources material in the rubbish---organic combustible institute heat content is many, calorific value is high, two tons of rubbish of every burning can obtain to be equivalent to burn heat of one ton of coal.And the lime-ash after the incineration treatment of garbage is neutral, and odorlessness can not cause secondary pollution, and volume reduces 90%, and weight reduces more than 75%, obviously subtracts the appearance decrement.Reached 2.2 hundred million tons to China's domestic waste in 2004,, amounted to calorific value and be 2,154 ten thousand tons of the standard coals of 7000Kcal/kg if calculate with Lower heat value 800Kcal/kg; At present China's domestic waste every year is just with 10% speed increase, and the municipal refuse of implementing simple and easy processing only accounts for 2.3% of total amount, China has become the heaviest country of rubbish burden in the world, municipal refuse innoxious, subtract appearanceization and recycling treatment is extremely urgent.But then, if with its whole utilizations, then be equivalent to the energy of 1,340 ten thousand tons of oil.China city every year is because of about 250～30,000,000,000 yuan of recrementitious loss, and municipal refuse originally can be created 2,500 hundred million yuan wealth.
2. the garbage derivatived fuel manufacturing technology is an emerging energy technology.
Garbage derivatived fuel (Refuse Derived Fuel, be called for short RDF) have calorific value height, flameholding, be easy to transportation, be easy to store, characteristics such as secondary pollution is low and the dioxin-like chemical discharge capacity is low, be widely used in fields such as dry engineering, cement manufacturing, Heat Supply Engineering and generation engineering.The birth of garbage derivatived fuel (RDF) undoubtedly for waste energy regeneration has brought life, becomes the new growing point in garbage utilization field.
The most popular with RDF one 5 technology especially in the derivatived fuel; Be characterized in the domestic waste branch picked incombustible such as metal and glass; The flammable solid granular fuel that obtains after pulverizing, drying, the machine-shaping.Has the calorific value height; Low moisture; Free from extraneous odour; Safety; Health; Characteristics of high efficiency.RDF one 5 The Application of Technology, all by implementing, Japan is the most positive in Europe, Australia.Japan power supply development company last century the nineties just set about developing RDF one 5 fuel tests, obtain the subsidy of Japanese government Ministry of International Trade and Industry, carried out equipment design, manufacturing and installation etc. from 1997, implemented combustion test in 1998, result of the test: generating efficiency reaches 35%, improved 130% than burning crude waste, and reduced the secondary pollution degree significantly, on the energy, resource recovery and ecological benefits, had absolute competitive advantage.This measure causes that government pays much attention to, and subsidizes from the national treasury, to promote RDF one 5 The Application of Technology, encourages the manufacturing center of middle-size and small-size incinerator reconstruction for the discarded derivatived fuel of Combined Treatment mode.At present, existing more than 40 the RDF one 5 fuel making factories of Japan turn round, and RDF one 5 transport of fuel of making are used to application places (as coal-fired power plant).Japanese experience causes the interest of China Taiwan scientific and technological circle, its worker grind institute's energy and The Study on Resources the researcher publish an article repeatedly, urge authorities to use RDF one 5 technology and improve many ambient influnences.
3. present situation and difficult point that Chinese garbage fuel is made
The enhancing gradually that continues efficient growth and environmental consciousness along with China's economic; The garbage as resource treatment progress is accelerated gradually.Just begin to have mechanism and individual to carry out research and experiment for the garbage derivatived fuel technology of preparing from last century end; The big defective of the influence that has obtained certain experience but be subjected to Chinese component of refuse ubiquity on Processes and apparatus; It is slower to cause applying paces; So far still do not have professional fuel of certain scale and make the operator appearance.In the garbage derivatived fuel technology of preparing of being reported at home; The following problem of ubiquity is effectively solved as yet.
The sorting process of rubbish remains in big defective, causes the combustible rate of recovery low, and the sorting cost is higher.Conventional refuse classification is mainly based on screening, realizes in conjunction with the way of magnetic separation, artificial separation, is subjected in the restriction screening process of equipment performance the effective broken bag rate to bagged garbage lower, shows as following several respects.
(1) mixes reception; The packed thing content of complicated component height, general device can't normally effectively sort.
(2) the big average moisture 50% of moisture, limit moisture is up to 70%, and calorific value is low; The kitchen is surplus, dregs class content is higher on average accounts for 50%.Separation is bigger with the dehydration difficulty, and it is higher to deal with energy consumption improperly.
(3) easy corrupt content of material is higher, and security and the commodity of dealing with fuel improperly are relatively poor.
So it is particularly important that the baking operation in the garbage fuel preparation process seems, in conventional rotary drying operation, influenced by its operation principle and complete machine structure and have following problem usually, existing structure in conjunction with conventional rotary dryer describes.
Referring to accompanying drawing 1, after material enters drying machine by charging aperture 1, be fixed on the lifting blade 2 on the drum-type drying kiln 1-1 inwall, constantly mention, while head-on contacts with the hot blast of coming in from air inlet 3, thereby reaches the purpose of heat exchange transpiring moisture, so require material that certain discreteness must be arranged, and be the material in the assurance drying course and the heat exchange specific area of hot blast, its operation filling rate should be less than 10%.
Yet the garbage fuel raw material possesses following characteristics: 1) bulk density is little; Average bulk density 0.3; So adopt the conventional drying machine to be subjected to the influence of filling rate, the drying machine type selecting diameter of its equal disposal ability is bigger, investment and operating cost height.2) the surplus and earth in the kitchen in the rubbish, though through preliminary treatment dehydration but it is in conjunction with water, do not remove in a large number as yet, its moisture still remains on about 40%, conventional dryer is in operation, its kitchen surplus earth class material caking of uniting easily, and the internal moisture of its combination is difficult to evaporate, cause discharging moisture inhomogeneous, influence the moulding of drying efficiency and back operation.
Goal of the invention
Heat exchange specific area and the unite caking of solution garbage fuel in drying course for garbage fuel in the raising drying course and hot blast, the internal moisture of its combination is difficult to evaporation, cause discharging moisture inhomogeneous, influence the technical problem of the moulding of drying efficiency and back operation, the utility model designs the technical deficiency that a kind of garbage fuel highly effective drying machine overcomes existing drying machine.
The utility model realizes that the technical scheme that goal of the invention adopts is, the garbage fuel drying machine, comprise: frame, the drum-type drying kiln of inner wall belt lifting blade, dry kiln end socket and drum-type drying kiln support rotating mechanism, the axis of described drum-type drying kiln is provided with the stirring broken shaft, stirring broken shaft is supported on the frame by charging aperture dry kiln end socket and discharging opening dry kiln end socket, stir broken shaft and be in transmission connection the uniform stirring wing that is provided with on the described stirring broken shaft through the broken motor formation of drive and stirring.
The beneficial effects of the utility model are, adopt the theoretical way of combining of stirring and drying and rotary drying, improve the filling rate of garbage fuel drying operation, and the effective adhesive bond body of the broken kitchen of combing surplus earth class rubbish, reach the purpose of high efficiency, low energy consumption.Frame adopts integral structure, transforms three chassis in the prior art structure into a chassis, is convenient to install and adjustment.Change the distribution and the angle of lifting behaviour plate, improve the stirring rate of material, increase dry specific area.Increase the stirring wing design of stirring uniform setting on the broken shaft, when the garbage fuel that lifting blade is mentioned was shed, stirring wing directly contacted with garbage fuel.Under high rotating speed with its effectively toward around shed, be subjected to the effect of shearing force also attain the Way good fragmentation and combing if any the caking garbage fuel simultaneously.For improving its broken and shed material efficient, the rotation direction of stirring wing is opposite with the rotation direction of drum-type drying kiln, reaches the purpose that head-on contacts with garbage fuel.The coefficient of heat transfer of system, and activity coefficient attain the Way and greatly promote, the water evaporates volume factor of dry run doubles, residence time of material reduces half, specific energy consumption reduces by 40%, system thermal efficiency improves 1.5 times, energy-saving effect is obvious.
Below in conjunction with accompanying drawing the utility model is described in detail.
Description of drawings
Accompanying drawing 1 is the prior art structural representation.
Accompanying drawing 2 is the utility model structural representation.
Accompanying drawing 3 is an accompanying drawing 2A-A generalized section.
Accompanying drawing 4 is an accompanying drawing 2B-B generalized section.
In the accompanying drawing, 1 charging aperture, 2 lifting blades, 3 air inlets, 4 discharging openings, 1-1 drum-type drying kiln, 1-2 stirs broken shaft, 1-3 charging aperture dry kiln end socket, 1-4 discharging opening dry kiln end socket, 1-5 stirring wing, 2-1 frame, 3-1 drive, the broken motor of 3-2.
The specific embodiment
Referring to accompanying drawing, a kind of garbage fuel drying machine, the axis of drum-type drying kiln 1-1 is provided with and stirs broken shaft 1-2, stirring broken shaft 1-2 is supported on the frame 2-1 by charging aperture dry kiln end socket 1-3 and discharging opening dry kiln end socket 1-4, stir broken shaft 1-2 and be in transmission connection with stirring broken motor 3-2 formation through drive 3-1, described stirring broken shaft 1-2 goes up the uniform stirring wing 1-5 that is provided with.
The charging aperture 1 of garbage fuel on charging aperture dry kiln end socket 1-3 enters drum-type drying kiln 1-1, rotation along with drum-type drying kiln 1-1 and stirring broken shaft 1-2, when the garbage fuel that the stirring wing 1-5 of the last uniform setting of stirring broken shaft 1-2 can directly mention lifting blade 2 was shed, stirring wing directly contacted with garbage fuel.Under the high rotating speed of 300r/min with its effectively toward around shed, be subjected to the effect of shearing force also attain the Way good fragmentation and combing if any the caking garbage fuel simultaneously.For improving its broken and shed material efficient.Dried garbage fuel is discharged through discharging opening 4.
Shed and crushing effect for further improving garbage fuel, described stirring broken shaft 1-2 is connected with drum-type drying kiln 1-1 backward rotation with the broken motor 3-2 formation of stirring through drive 3-1.To increase the relative velocity of drum-type drying kiln 1-1 and stirring wing 1-5.
For ease of the Installation and Debugging of drying machine, described frame 2-1 supports the integrative-structure of rotating mechanism integrated support for the drum-type drying kiln.By installation adjustment, realize the adjustment of complete machine to frame 2-1.
Claims (3)
1. garbage fuel drying machine, comprise: frame, the drum-type drying kiln of inner wall belt lifting blade, dry kiln end socket and drum-type drying kiln support rotating mechanism, it is characterized in that: the axis of described drum-type drying kiln (1-1) is provided with and stirs broken shaft (1-2), stirring broken shaft (1-2) is supported on the frame (2-1) by charging aperture dry kiln end socket (1-3) and discharging opening dry kiln end socket (1-4), stir broken shaft (1-2) and be in transmission connection with stirring broken motor (3-2) formation through drive (3-1), described stirring broken shaft (1-2) is gone up the uniform stirring wing (1-5) that is provided with.
2. a kind of garbage fuel drying machine according to claim 1 is characterized in that: described stirring broken shaft (1-2) is connected with drum-type drying kiln (1-1) backward rotation with the broken motor of stirring (3-2) formation through drive (3-1).
3. a kind of garbage fuel drying machine according to claim 1 and 2 is characterized in that: described frame (2-1) supports the integrative-structure of rotating mechanism integrated support for the drum-type drying kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202045822U CN201795668U (en) | 2010-05-26 | 2010-05-26 | Waste derive fuel dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202045822U CN201795668U (en) | 2010-05-26 | 2010-05-26 | Waste derive fuel dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795668U true CN201795668U (en) | 2011-04-13 |
Family
ID=43850573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202045822U Expired - Fee Related CN201795668U (en) | 2010-05-26 | 2010-05-26 | Waste derive fuel dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795668U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321495A (en) * | 2011-08-23 | 2012-01-18 | 中信重工机械股份有限公司 | Quality-improving device combining crushing and drying of lignite as a whole |
| CN103486832A (en) * | 2012-06-11 | 2014-01-01 | 四川制药制剂有限公司 | System for pulverizing and drying raw materials |
| CN103542699A (en) * | 2012-07-16 | 2014-01-29 | 鄂尔多斯市中誉能源股份有限公司 | Rotary dryer with material spreading devices |
| CN103575095A (en) * | 2013-11-14 | 2014-02-12 | 山东恒远利废技术发展有限公司 | Cascading type rotary kiln |
| CN103727755A (en) * | 2013-12-13 | 2014-04-16 | 江苏碧诺环保科技有限公司 | Drum type rotary dryer |
| CN106642146A (en) * | 2017-02-27 | 2017-05-10 | 北京中技圣火环保科技有限公司 | Garbage air drying treatment system and method |
| CN106766761A (en) * | 2016-12-07 | 2017-05-31 | 李政辉 | A kind of root of kudzu vine roller drying machine |
| CN107916118A (en) * | 2017-11-15 | 2018-04-17 | 利川隆祥生物科技有限公司 | A kind of stalk carbonizing device |
| CN110043906A (en) * | 2019-04-18 | 2019-07-23 | 张英 | A kind of energy-saving and environment-friendly soot refuse disposal installation |
-
2010
- 2010-05-26 CN CN2010202045822U patent/CN201795668U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321495A (en) * | 2011-08-23 | 2012-01-18 | 中信重工机械股份有限公司 | Quality-improving device combining crushing and drying of lignite as a whole |
| CN102321495B (en) * | 2011-08-23 | 2013-10-16 | 中信重工机械股份有限公司 | Quality-improving device combining crushing and drying of lignite as a whole |
| CN103486832A (en) * | 2012-06-11 | 2014-01-01 | 四川制药制剂有限公司 | System for pulverizing and drying raw materials |
| CN103542699A (en) * | 2012-07-16 | 2014-01-29 | 鄂尔多斯市中誉能源股份有限公司 | Rotary dryer with material spreading devices |
| CN103575095A (en) * | 2013-11-14 | 2014-02-12 | 山东恒远利废技术发展有限公司 | Cascading type rotary kiln |
| CN103575095B (en) * | 2013-11-14 | 2015-07-22 | 山东恒远利废技术发展有限公司 | Cascading type rotary kiln |
| CN103727755A (en) * | 2013-12-13 | 2014-04-16 | 江苏碧诺环保科技有限公司 | Drum type rotary dryer |
| CN106766761A (en) * | 2016-12-07 | 2017-05-31 | 李政辉 | A kind of root of kudzu vine roller drying machine |
| CN106642146A (en) * | 2017-02-27 | 2017-05-10 | 北京中技圣火环保科技有限公司 | Garbage air drying treatment system and method |
| CN107916118A (en) * | 2017-11-15 | 2018-04-17 | 利川隆祥生物科技有限公司 | A kind of stalk carbonizing device |
| CN110043906A (en) * | 2019-04-18 | 2019-07-23 | 张英 | A kind of energy-saving and environment-friendly soot refuse disposal installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20140526 |