CN103062997A - Biomass wood pellet drying machine - Google Patents
Biomass wood pellet drying machine Download PDFInfo
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- CN103062997A CN103062997A CN2012105317926A CN201210531792A CN103062997A CN 103062997 A CN103062997 A CN 103062997A CN 2012105317926 A CN2012105317926 A CN 2012105317926A CN 201210531792 A CN201210531792 A CN 201210531792A CN 103062997 A CN103062997 A CN 103062997A
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Abstract
The invention discloses a biomass wood pellet drying machine which comprises a combustion-supporting fan, a calcining furnace, a spiral conveyer, a main machine, a dust collector and temperature sensors. The combustion-supporting fan is arranged beside the calcining furnace, the heat output end is connected with the main machine, the input end of the main machine is connected with the spiral conveyer, the output end of the main machine is connected with a belt conveyer and the dust collector, the temperature sensors are arranged on the main machine and the calcining furnace, a speed setter is arranged on the spiral conveyer, and the calcining furnace is a wood waste combustion furnace and is provided with a combustion-supporting wind stopping pipe. The biomass wood pellet drying machine effectively solves the problem that a traditional rotary drum drying machine is uneven in material drying and insufficient in moisture evaporation and the like and has the advantages of being simple to operate, high in fuel availability, even in drying, low in dust exhausting concentration and the like.
Description
Technical field
The present invention relates to a kind of dryer, refer to especially the biomass fuel dryer.
Background technology
Dryer has rotary drum drying machine, three backhaul dryers, three-cylinder drier, polytypes such as dryer, directly-heated dryer intermittently.Relating to maximum in the production is rotary drum drying machine, and rotary drum drying machine is also referred to as drum drying equipment or rotary drum dryer, is to use the most common in the mining industry equipment and a kind of drying equipment widely.
Rotary drum drying machine has following plurality of advantages: 1. the thermal efficiency is high, Reducing Coal Consumption; 2. applicable multiple combustion furnace uses; 3. cost is low, and maintenance cost is convenient.4. can realize large enterprise's microcomputer CSRC management; 5, production capacity is larger; 6, simple in structure, easy to operate; 7, fault is few, and maintenance cost is low.A lot of enterprises adopt rotary drum drying machine as the drying plant of biomass fuel one after another.
But the most rotary drum drying machine is not suitable for being directly used in the oven dry of biomass fuel, the rotary drum drying machine working method is: dry wet stock is delivered to hopper by belt conveyor or bucket elevator, and then the charger through hopper enters feed end by feeding tube.The gradient of feeding tube is greater than the angle of crater of material, so that material flows in the drier smoothly.The drier cylinder is the rotor that and horizontal line slightly become inclination.Material adds from a higher end, and thermophore is entered by low side, becomes counter current contacting with material, thermophore and material is also arranged together and flows to into cylindrical shell.Along with the rotation material gravitate of cylinder runs to the end end of than.Wet stock moves forward in cylindrical shell in the process, has directly or indirectly obtained the heat of giving of thermophore, makes wet stock be able to drying, then sends through belt feeder or conveying worm at discharge end.At cylinder inboard wall flight is housed, its effect is that material is taken up and spread down, and the contact surface of material and air-flow is increased, to improve rate of drying and to promote material to advance.Thermophore generally is divided into hot-air, flue gas etc.After the thermophore drying device, generally need cyclone dust collectors that the material of being with in the gas is captured.Further reduce the tail gas dustiness such as need, also should be through putting again behind sack cleaner or the hydrofilter.The problems such as it is inhomogeneous that drying materials but appears in the oven dry that is directly used in biomass fuel, and the moisture evaporation is insufficient, most of biomass fuel manufacturers have no alternative to this.
More domestic patent documentations disclose the technology of rotary drum drying machine, [patent No.] CN200720036850.2 for example, [title] rotating cylinder horizontal drying machine [notification number]: CN201032333, a kind of rotating cylinder horizontal drying machine is disclosed, there is one to comprise air blast, high-temperature boiling furnace, elevator, feed bin, the frequency control belt feeder, tremie pipe, rotating cylinder, lifting blade, transmission system, dust pelletizing system, air-introduced machine, the discharging cover, blanking device, belt conveyer, lifting blade is " L " shape, be evenly distributed on the outer cylinder inwall of rotating cylinder, secondary lifting dispersing device also is housed on the inner cylinder outer wall of rotating cylinder; The large and small gear of transmission system is pick-off gear; Described dust pelletizing system includes cyclone dust collectors, air box impulse bag-type dust-precipitator two-stage dust removal.The problems such as this rotary drum drying machine is applicable to the oven dry of coal slime, and obtains good drying effect, and is inhomogeneous but drying materials still appears in the oven dry that is directly used in biomass fuel, and the moisture evaporation is insufficient.
[patent No.] CN201120186045.4, [title] rotary drum drying machine [notification number]: CN202092428U, a kind of rotary drum drying machine is disclosed, comprise the dry kiln body, support and motor, motor is located on the support, the dry kiln body is obliquely installed on support by fixed bar, have the chute that can supply fixed bar to horizontally slip on the support, dry kiln body inside is equipped with driving wheel and driven pulley, be socketed with belt conveyor between driving wheel and the driven pulley, driving wheel is controlled by motor drives, and dry kiln body front end is connected with charging box, charging box is communicated with hot-blast stove, the charging box top has charge door, and charge door is connected with belt conveyor by blanking plate, and dry kiln body rear end is connected with feed box, feed box is connected with cyclone separator, and the cyclone separator outlet is connected with air-introduced machine by emptying pipe.The problems such as rotary drum drying machine has more flexibility, but is used for the oven dry biomass fuel, exists equally drying materials inhomogeneous, and the moisture evaporation is insufficient.
The oven dry of biomass fuel is different from the oven dry of coal slime, and its is to temperature, charging rate of oven dry, and the fuel use has special requirement, and existing rotary drum drying machine does not often reach such requirement.Therefore be necessary to invent a kind of rotary drum drying machine that carries out the biomass fuel oven dry that is specifically designed to, both kept the plurality of advantages of rotary drum drying machine, again biomass fuel is obtained good drying effect.
Summary of the invention
The problems such as it is inhomogeneous to the objective of the invention is to solve the rotary drum drying machine drying materials, and the moisture evaporation is insufficient provide a kind of living beings wood pellet dryer that carries out the biomass fuel oven dry that is specifically designed to.
Living beings wood pellet dryer of the present invention, comprise and help right blower fan, calcining furnace, conveying worm, main frame, deduster, temperature sensor, the other combustion fan that is provided with of calcining furnace, the heat output is connected main frame, and the main frame input is followed conveying worm, and output is followed belt conveyor and deduster, main frame and calcining furnace are equipped with temperature sensor, conveying worm is provided with speed setter, and calcining furnace is the wood waste combustion furnace, and calcining furnace is provided with combustion-supporting disconnected airduct.
Aforesaid speed setter is mounted in the main drive gear of the certain radius on the conveying worm.Calcining furnace is the manual combustion furnace of wood waste.Deduster is cyclone dust collectors.The main drive gear radius is 80 to 100mm.
Main frame and calcining furnace are equipped with temperature sensor, and the in-service monitoring temperature is convenient to control temperature; Changing the radius of conventional gears helical feed main drive gear as deceleration device, is a kind of more direct effective ways of deceleration, need not whole production technology is adjusted, and avoids other production link influenced; Adopt the cyclone dust collectors deduster as cleaner, can also carry out the whirlwind cloth, reclaim the biomass fuel pellet in the dust.Calcining furnace is that the wood waste combustion furnace takes full advantage of the production obsolete material, improves timber utilization rate.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is living beings wood pellet drying machine structure schematic diagram of the present invention
Among the figure, the 1-main frame; The 2-calcining furnace; The 3-conveying worm; The 4-temperature sensor; The 5-deduster; The 6-belt conveyor; The 7-main drive gear; The combustion-supporting disconnected airduct of 8-; The 9-combustion fan
The specific embodiment
As shown in Figure 1, living beings wood pellet dryer of the present invention, comprise and help right blower fan, calcining furnace, conveying worm, main frame, deduster, temperature sensor, the calcining furnace 2 other combustion fans 9 that are provided with, the heat output is connected main frame 1, main frame 1 input is followed conveying worm 3, output is followed belt conveyor 6 and deduster 5, main frame 1 and calcining furnace 2 are equipped with temperature sensor 4, conveying worm is provided with speed setter, calcining furnace 2 is wood waste combustion furnaces, and calcining furnace is provided with combustion-supporting disconnected airduct 8.
Aforesaid speed setter is mounted in the main drive gear 7 of the certain radius on the conveying worm 3.Calcining furnace 2 is the manual combustion furnaces of wood waste.Deduster 5 is cyclone dust collectors.Main drive gear 8 radiuses are 80 to 100mm.
At living beings wood pellet dryer in process of production, wet stock is transported to main frame 1 charging aperture by conveying worm 3 with suitable, stable speed; Material flows in the Drying of main frame 1 under action of gravitation obliquely, and Drying at the uniform velocity rotates, and material slowly advances under the promotion of Drying helical structure; The temperature of temperature sensor 4 in-service monitoring main frames 1 and calcining furnace 2, and in real time to the server feedback temperature information; Calcining furnace 2 is take waste wood as main fuel, fuel can drop into from a plurality of fuel inlets, combustion fan 9 continues to calcining furnace 2 interior inflations, correspondingly change aeration speed according to variations in temperature in the stove, guarantee that temperature is relatively stable in the stove, combustion-supporting disconnected airduct 8 further guarantees the inflation effect as combustion-supporting additional device, can also be used for the urgent stop of special circumstances; In the process that material advances in main frame 1, directly or indirectly obtained the heat of giving of thermophore, because temperature substantially constant in the dryer module of main frame 1, the material wet stock obtains thermally equivalent, and drying effect is good, and after drying was finished, material dropped on the belt conveyor 6.The dust that produces in the dry run enters deduster 5 under the guiding of air-introduced machine, after filtering, gas continues to be drained under the guiding that causes machine; Biological particles in the dust then is captured, settles down, and then is sent to the subsequent processing that biomass fuel is produced by belt conveyor 6.
Living beings wood pellet dryer is used for the drying course of biomass fuel, it is inhomogeneous to drying materials to efficiently solve traditional rotary drum drying machine, the problems such as the moisture evaporation is insufficient, the living beings water content of producing is less than 7%, oke exhaust blackness is less than 1 grade of Lin Geman, dust exhausting concentration is less than 80 milligrams every cubic metre, and contrast has obvious advantage with traditional rotary drum drying machine dried material:
Claims (5)
1. living beings wood pellet dryer, comprise and help right blower fan, calcining furnace, conveying worm, main frame, deduster, temperature sensor, the other combustion fan (9) that is provided with of calcining furnace (2), the heat output is connected main frame (1), main frame (1) input is followed conveying worm (3), output is followed belt conveyor (6) and deduster (5), main frame (1) and calcining furnace (2) are equipped with temperature sensor (4), it is characterized in that: conveying worm is provided with speed setter, calcining furnace (2) is the wood waste combustion furnace, and calcining furnace is provided with combustion-supporting disconnected airduct (8).
2. living beings wood pellet dryer according to claim 1, it is characterized in that: described speed setter is mounted in the main drive gear (7) of the certain radius on the conveying worm (3).
3. living beings wood pellet dryer according to claim 1, it is characterized in that: described calcining furnace (2) is the manual combustion furnace of wood waste.
4. living beings wood pellet dryer according to claim 1, it is characterized in that: described deduster (5) is cyclone dust collectors.
According to claim 1 with 2 described living beings wood pellet dryers, it is characterized in that: described main drive gear (8) radius 80 to 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105317926A CN103062997A (en) | 2012-12-11 | 2012-12-11 | Biomass wood pellet drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105317926A CN103062997A (en) | 2012-12-11 | 2012-12-11 | Biomass wood pellet drying machine |
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| CN103062997A true CN103062997A (en) | 2013-04-24 |
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| CN2012105317926A Pending CN103062997A (en) | 2012-12-11 | 2012-12-11 | Biomass wood pellet drying machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4036666A1 (en) * | 1989-11-20 | 1991-05-23 | Kurt Gisiger | Installation for drying organic matter - uses gases derived from organic matter e.g. wood chips as fuel |
| CN2418115Y (en) * | 2000-04-14 | 2001-02-07 | 陈为朋 | Spiral conveyer |
| EP1394489A2 (en) * | 2002-08-31 | 2004-03-03 | Enerco BV | Installation for drying and treating of mineral pourable material |
| CN201392086Y (en) * | 2009-04-22 | 2010-01-27 | 郑州市鼎力干燥设备有限公司 | Dehydration drying equipment of beer grains |
| CN101957128A (en) * | 2010-06-08 | 2011-01-26 | 广州迪森热能技术股份有限公司 | Biomass material drying system |
| CN101988738A (en) * | 2009-08-03 | 2011-03-23 | 肖建选 | Heat pipe type hot air furnace |
| CN201974019U (en) * | 2011-02-22 | 2011-09-14 | 苏州迪森生物能源有限公司 | Biomass fuel drying system |
| CN203132285U (en) * | 2012-12-11 | 2013-08-14 | 柳州宝源生物燃料有限公司 | Biomass sawdust particle dryer |
-
2012
- 2012-12-11 CN CN2012105317926A patent/CN103062997A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4036666A1 (en) * | 1989-11-20 | 1991-05-23 | Kurt Gisiger | Installation for drying organic matter - uses gases derived from organic matter e.g. wood chips as fuel |
| CN2418115Y (en) * | 2000-04-14 | 2001-02-07 | 陈为朋 | Spiral conveyer |
| EP1394489A2 (en) * | 2002-08-31 | 2004-03-03 | Enerco BV | Installation for drying and treating of mineral pourable material |
| CN201392086Y (en) * | 2009-04-22 | 2010-01-27 | 郑州市鼎力干燥设备有限公司 | Dehydration drying equipment of beer grains |
| CN101988738A (en) * | 2009-08-03 | 2011-03-23 | 肖建选 | Heat pipe type hot air furnace |
| CN101957128A (en) * | 2010-06-08 | 2011-01-26 | 广州迪森热能技术股份有限公司 | Biomass material drying system |
| CN201974019U (en) * | 2011-02-22 | 2011-09-14 | 苏州迪森生物能源有限公司 | Biomass fuel drying system |
| CN203132285U (en) * | 2012-12-11 | 2013-08-14 | 柳州宝源生物燃料有限公司 | Biomass sawdust particle dryer |
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Application publication date: 20130424 |