CN206637599U - A kind of biomass powder self-forming combustor - Google Patents
A kind of biomass powder self-forming combustor Download PDFInfo
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- CN206637599U CN206637599U CN201720195743.8U CN201720195743U CN206637599U CN 206637599 U CN206637599 U CN 206637599U CN 201720195743 U CN201720195743 U CN 201720195743U CN 206637599 U CN206637599 U CN 206637599U
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- burner hearth
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Abstract
This application discloses a kind of biomass powder self-forming combustor, during work, the biomass powder being stored in external storage bin is transported to material forming device by feed mechanism, hot blast in combustor burner hearth enters material forming device by auxiliary hot ventilation duct, improve material forming device temperature, material is set to possess condition of molding, feed motor belt motor spiral pushing device makes the biomass powder in material forming device be transported to burning in combustor body of heater, by sending oxygen and aiding combustion blower fan to maintain fired state.On the one hand, biomass moulding material is directly entered in combustor body of heater and burnt, and density and shape for material forming do not require, use cost is low and is advantageous to save the energy and expands capacity utilization；The direct molding materials of biomass are loosely organized, are advantageous to fully burn in combustor body of heater, send oxygen and aiding combustion blower fan to produce spiral wind in burner hearth, increase blast, are advantageous to blow out the residue after burning, thoroughly solve the clogging problems in burner hearth.
Description
Technical field
The application is related to biomass processes technical field, more particularly to a kind of biomass powder self-forming combustor.
Background technology
With severe power shortage, oily famine, electricity price rises, rise of the oil price equal energy source situation anxiety, and day of problem of environmental pollution
Beneficial severe, use consciousness of the industry-by-industry to regenerative resource is progressively strengthened, and the utilization of wherein biomass energy is most to cut at present
Real feasible solution method.Biomass is material present on the earth, and it includes all animals, plant and microorganism and by this
Many organic matters that a little living substances derive from, drain and are metabolized.Various biomass all have certain energy.Using biomass as load
Body, the energy as caused by biomass are biomass energies.Biomass energy is that solar energy is stored in biology in the form of chemical energy
A kind of form of energy, directly or indirectly derive from the photosynthesis of plant.Tellurian plant carries out what photosynthesis was consumed
Energy, account for and shine upon the 0.2% of earth total radiation, though this ratio is little, the energy of photosynthesis consumption is now
40 times of mankind's total energy consumption.It can be seen that biomass energy is a huge energy.
The biomass of narrow sense concept is primarily referred to as stalk in agriculture and forestry production process in addition to grain, fruit, trees etc.
Poultry during lignocellulosic (abbreviation lignin), farming industry leftover bits and pieces, agriculture and forestry organic waste material and Animal husbandry production
The material such as excrement and discarded object.The characteristics of biomass：Renewable, low stain and widely distributed.Biomass economy is mainly used
Directly burning and gasification of biomass two ways, and the combustor of supporting respective type.
The particulate material of rule however, the existing biomass combustion machine of existing market can only burn, biological particles material need
Professional equipment is processed, and the problem of causing fuel to gather materials on the spot, can not on the spot process and can not use on the spot, and also makes combustion
Material cost improves several times compared with coal-fired cost；Simultaneously existing biomass combustion machine exist incomplete combustion, with oxygen it is unreasonable the problems such as,
Cause black smoke occur during burning, and fume amount is big, and secondary pollution is produced to environment；Furthermore exist after existing combustor burning
Be unable to the bad control of automatic ash ejector, firepower size many defects such as low with automaticity, cause operator's labor intensity compared with
The problem of big and temperature control effect difference.
Utility model content
The purpose of the application is to provide a kind of biomass powder self-forming combustor, can be in rural area in-site collecting stalk etc.
Biomass material, realize in-site collecting, drying, crushed using common grinder, used on the spot as combustor fuel, device fabrication
Cost is low, and grain forming cost is low and burning fuel cost just corresponds to the 1/5 of biomass particulate fuel, and thoroughly solves burning
Machine Boiler Furnace slagging problem and it is precisely controlled temperature.
According to embodiments herein, there is provided a kind of biomass powder self-forming combustor, including：External storage bin,
Feed mechanism, feed motor, tremie pipe, send oxygen and aiding combustion blower fan, material forming device and combustor body of heater；
The material forming device includes：Housing, the charging aperture for being located at the case top and the spiral shell being located in the housing
Revolve propulsion plant；
The external storage bin is connected by the feed mechanism with the charging aperture；
The spiral pushing device includes rotating shaft and the spiral rotor being arranged in the rotating shaft side wall；
One end of the rotating shaft pushes away through the housing and the feed motor connection, the feed motor with the spiral
Enter device cooperation, feeding edge forming in side is cost-effective；
The axisymmetrical of rotating shaft described in the housing interior edge is provided with shaping pressure cylinder；
The shaping pressure cylinder is provided with discharging opening；
The discharging opening is connected by the tremie pipe with the combustor body of heater；
The combustor body of heater includes：Heat outer tube and heating inner tube；
Air channel is formed between the heating outer tube and heating inner tube；
One end of the combustor body of heater is provided with and send oxygen and aiding combustion blower fan, and the other end of the combustor body of heater is provided with flame
Mouthful；
The diameter of the bocca is less than the diameter of the heating inner tube.
Preferably, the heating inner tube is provided with the air holes arranged in the shape of a spiral.After sending oxygen and aiding combustion blower fan to start, have one
The air of constant-pressure enters in combustor body of heater out of air holes that arrange in the shape of a spiral, forms spiral wind, and increase oxygen is burning
Residence time in machine burner hearth, make biomass powder burning more abundant；Further, spiral wind also increases blast, favorably
In the combustion residue for blowing away each corner in burner hearth.The density of shaped granule is smaller, after surface is lighted, blows, makes through spiral wind one
It is in explosion type fired state to obtain fuel so that wind easily dispels particulate material, and lighter residue is formed after conflagration, is advantageous to
Residue is blown out into burner hearth by wind.
Preferably, the diameter of the spiral rotor is less than or equal to 90mm, and the diameter of the discharging opening is less than or equal to
The angle formed between the axis of 30mm, the bus of the shaping pressure cylinder and the shaping pressure cylinder is less than or equal to 20 degree.This Shen
Length and extruding angle please guarantees that material smoothly is expressed into outlet by import, extruding force appropriateness, ensures biomass powder
Rod shaped materials can be squeezed into when external heat source is heated to 70-100 DEG C by spiral pushing device and shaping pressure cylinder.The rod of shaping
Shape material is fractureed naturally after reaching certain length by deadweight reason, and burner hearth is dropped into by tremie pipe.Molding materials only need bar-shaped
Material possesses certain shape, absorbs partial heat from outside, and after conducting self-heating is lighted, release heat can accumulate burning,
And provided in burner hearth and continue firepower.Prevent from that directly powder is directly thrown into burner hearth, at once whole after-flames, if after
Continuous material can not continue to provide, just automatic just flame-out, it is impossible to lasting to use.
For this programme after one-step forming, feeding burner hearth at the beginning of material, the air holes arranged in the shape of a spiral increases wind in burner hearth bottom
Duration, ensure the burning of material, oxygen be persistently provided, make material sustained combustion, and launching in follow-up material
When, the temperature in burner hearth is remained at a higher temperature, and then ensure the energy sustained combustion of subsequent material.And
Because the density of material forming is simultaneously little, after burning, wind blows off the part lighted material body so that it is in burner hearth by oxygen
More fully, so burn more fully, and caused lime-ash, with regard to volume is smaller, weight is lighter, wind is directly by its band
Flake hearth-tapping so that burner hearth not slagging.Therefore the application has advantages below：The extruding force of material forming device is reduced, without material
Firm club shaped structure is squeezed into, and the heat of burner hearth be can transmit and give material forming device, and heat, nothing are provided for the shaping of material
Need material forming device to provide other heater, and feed motor is reduced to several hectowatts by hundreds of kilowatts before, have
Beneficial to the practicality for saving the energy and expansion equipment.
Preferably, the combustor also includes the auxiliary hot ventilation duct for connecting the material forming device and the tremie pipe.Combustion
A part of heat caused by burning machine hearth combustion, the heating chamber of material forming device is connected with auxiliary hot ventilation duct by tremie pipe,
Circulation air path is formed, the temperature of charge of stove chamber inner combustion is reachable 70~100 DEG C, and auxiliary hot ventilation duct makes high-temperature hot air also enter
Into material forming device, further the biomass in material forming device is heated, keeps the high temperature shape of material forming device
State.
Preferably, the combustor also includes electric-control system；The electric-control system includes：
Main controller, for enabling signal to be sent to feed motor, and the feed motor working time is obtained, if feed electricity
The working time of machine is equal with preset time, then stop signal is sent into feed motor, so that feed motor is stopped；With
And send enabling signal to automatic ignition device, so that automatic ignition device is lighted a fire；
Automatic ignition device, for the rod shaped materials in the combustor body of heater to be lighted；
Fire box temperature detection sensor, for detecting the temperature in the detection combustor body of heater；
Main controller, if the temperature value for being additionally operable to detection is less than or equal to the first preset temperature value, enabling signal is sent out
Feed motor is delivered to, so that feed motor work；And send enabling signal and send oxygen and aiding combustion blower fan, and send oxygen to help described in control
The rotating speed for firing blower fan is the first preset rotation speed；
If the temperature value of detection is more than the first preset temperature value and is less than or equal to the second preset temperature value, will start
Signal is sent to feed motor, so that feed motor work；And send enabling signal and send oxygen and aiding combustion blower fan, and described in control
The rotating speed for sending oxygen and aiding combustion blower fan is the second preset rotation speed；Second preset rotation speed is more than the first preset rotation speed；
If the temperature value of detection is more than or equal to the 3rd preset temperature value, automatic ignition dress is sent stop signal to
Put.
From above technical scheme, the application provides a kind of biomass powder self-forming combustor, including：External storing
Storehouse, feed mechanism, it is fed motor, tremie pipe, send oxygen and aiding combustion blower fan, material forming device and combustor body of heater.When combustor works,
The biomass powder being stored in external storage bin is transported to material forming device by feed mechanism, by being fed motor belt motor animal
Expect that the spiral pushing device in former rotates, as powder increases, internal pressure becomes big, and the rotation of spiral pushing device can make
Biomass powder in material forming device is squeezed into rod shaped materials, and rod shaped materials reach after certain length by Action of Gravity Field from dynamic circuit breaker
Split, rod shaped materials are transported in combustor body of heater by tremie pipe to burn, by sending oxygen and aiding combustion blower fan to maintain fired state, during burning
Caused flame is sprayed by bocca.On the one hand, the biomass powder in the combustor that the embodiment of the present application provides is squeezed into rod
Shape material, which is directly entered in combustor body of heater, to burn, the work do not packed and transported, for the density and shape of material forming
Do not require, and be molded the heat needed and directly provided by the partial heat of hearth combustion, reduce material forming cost, so
Combustor equipment cost is low, use cost is low and is advantageous to save the energy and expands capacity utilization；On the other hand, the application
Length and extruding angle guarantee that material smoothly is expressed into outlet by import, extruding force appropriateness, guarantee biomass powder exists
External heat source can be squeezed into rod shaped materials when being heated to 70-100 DEG C by spiral pushing device and shaping pressure cylinder.What is be molded is bar-shaped
Material is fractureed naturally after reaching certain length by deadweight reason, and burner hearth is dropped into by tremie pipe.Molding materials only need club
Material possesses certain shape, absorbs partial heat from outside, and after conducting self-heating is lighted, release heat can accumulate burning, and
And provided in burner hearth and continue firepower.Prevent from that directly powder is directly thrown into burner hearth, at once whole after-flames, if subsequently
Material can not continue to provide, just automatic just flame-out, it is impossible to lasting to use.
For this programme after one-step forming, feeding burner hearth at the beginning of material, the air holes arranged in the shape of a spiral increases wind in burner hearth bottom
Duration, ensure the burning of material, oxygen be persistently provided, make material sustained combustion, and launching in follow-up material
When, the temperature in burner hearth is remained at a higher temperature, and then ensure the energy sustained combustion of subsequent material.And
Because the density of material forming is simultaneously little, after burning, wind blows off the part lighted material body so that it is in burner hearth by oxygen
More fully, so burn more fully, and caused lime-ash, with regard to volume is smaller, weight is lighter, wind is directly by its band
Flake hearth-tapping so that burner hearth not slagging.Therefore the application has advantages below：The extruding force of material forming device is reduced, without material
Firm club shaped structure is squeezed into, and the heat of burner hearth be can transmit and give material forming device, and heat, nothing are provided for the shaping of material
Need material forming device to provide other heater, and feed motor is reduced to several hectowatts by hundreds of kilowatts before, have
Beneficial to the practicality for saving the energy and expansion equipment.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the application
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is to be preferable to carry out the structural representation of a kind of biomass powder self-forming combustor that exemplifies according to one；
Fig. 2 is to be preferable to carry out the combustor furnace binding schematic diagram that exemplifies according to one；
Fig. 3 is the circuit theory diagrams of the combustor gone out according to a preferred embodiment example.
Wherein, the external storage bins of 1-；2- feed mechanisms；3- charging apertures；4- is fed motor；5- spiral pushing devices；Under 6-
Expects pipe；The auxiliary hot ventilation ducts of 7-；8- fire box temperature detection sensors；9- automatic ignition devices；10- air holes；11- rotating shafts；12- send oxygen
Combustion fan；13- material forming devices；14- air channels；15- heats inner tube；16- heats outer tube；17- boccas；18- spiral rotors；
19- is molded pressure cylinder；20- discharging openings；21- main controllers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Whole description, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the application protection.
As shown in figure 1, the embodiment of the present application provides a kind of biomass powder self-forming combustor, including：External storage bin
1st, feed mechanism 2, feed motor 4, tremie pipe 6, send oxygen and aiding combustion blower fan 12, material forming device 13 and combustor body of heater；
The material forming device 13 includes：Housing, the charging aperture 3 for being located at the case top and it is located in the housing
Spiral pushing device 5；
The external storage bin 1 is connected by the feed mechanism 2 with the charging aperture 3；
The spiral pushing device 5 includes rotating shaft 11 and the spiral rotor 18 being arranged in the rotating shaft side wall；
One end of the rotating shaft 11 is connected through the housing with the feed motor 4；The feed motor 4 and the spiral shell
Rotation propulsion plant 5 coordinates, and feeding edge forming in side is cost-effective；
The axisymmetrical of rotating shaft 11 described in the housing interior edge is provided with shaping pressure cylinder 19；
The shaping pressure cylinder 19 is obliquely installed relative to horizontal direction；
The shaping pressure cylinder 19 is provided with discharging opening 20；
The discharging opening 20 is connected by the tremie pipe 6 with the combustor body of heater；
The combustor body of heater includes：Heat outer tube 16 and heating inner tube 15；
Air channel 14 is formed between the heating outer tube 16 and the heating inner tube 15；
Oxygen and aiding combustion blower fan 12 is sent in one end of the combustor body of heater described in being provided with, and the other end of the combustor body of heater is provided with
Bocca 17；
The diameter of the bocca 17 is less than the diameter of the heating inner tube 15.
From above technical scheme, the embodiment of the present application provides a kind of biomass powder self-forming combustor, including：Outside
Storage bin 1, feed mechanism 2 are put, motor 4, tremie pipe 6 is fed, send oxygen and aiding combustion blower fan 12, material forming device 13 and combustor stove
Body.During the biomass powder self-forming combustor work, the biomass powder being stored in external storage bin 1 passes through feeder
Structure 2 is transported to material forming device 13, drives the spiral pushing device 5 in material forming device 13 to rotate by being fed motor 4, with
Powder increases, and internal pressure becomes big, and the rotation of spiral pushing device 5 can make the biomass powder in material forming device 13 under
Expects pipe 6, which is transported in combustor body of heater, burns, and by sending oxygen and aiding combustion blower fan 12 to maintain fired state, flame is by spraying caused by burning
Burner 17 sprays.On the other hand, the diameter of the spiral rotor 18 is less than or equal to 90mm, and the diameter of the discharging opening 20 is less than
Or equal to 30mm, the angle formed between the bus of the shaping pressure cylinder 19 and the axis of the shaping pressure cylinder 19 is less than or equal to
20 degree.The length and extruding angle of the application guarantees that material smoothly is expressed into outlet by import, extruding force appropriateness, ensures life
Material powder can be squeezed into rod shaped materials when external heat source is heated to 70-100 DEG C by spiral pushing device and shaping pressure cylinder.
The rod shaped materials of shaping are fractureed naturally after reaching certain length by deadweight reason, and burner hearth is dropped into by tremie pipe.Molding materials are only
Need rod shaped materials to possess certain shape, absorb partial heat from outside, after conducting self-heating is lighted, release heat can heap
Product burning, and provided in burner hearth and continue firepower.Prevent from that directly powder is directly thrown into burner hearth, at once all combustions
To the greatest extent, it is just automatic just flame-out, it is impossible to lasting to use if subsequent material can not continue to provide.
For this programme after one-step forming, feeding burner hearth at the beginning of material, the air holes arranged in the shape of a spiral increases wind in burner hearth bottom
Duration, ensure the burning of material, oxygen be persistently provided, make material sustained combustion, and launching in follow-up material
When, the temperature in burner hearth is remained at a higher temperature, and then ensure the energy sustained combustion of subsequent material.And
Because the density of material forming is simultaneously little, after burning, wind blows off the part lighted material body so that it is in burner hearth by oxygen
More fully, so burn more fully, and caused lime-ash, with regard to volume is smaller, weight is lighter, wind is directly by its band
Flake hearth-tapping so that burner hearth not slagging.Therefore the application has advantages below：The extruding force of material forming device is reduced, without material
Firm club shaped structure is squeezed into, and the heat of burner hearth be can transmit and give material forming device, and heat, nothing are provided for the shaping of material
Need material forming device to provide other heater, and feed motor is reduced to several hectowatts by hundreds of kilowatts before, have
Beneficial to the practicality for saving the energy and expansion equipment.
Further, as shown in Fig. 2 the heating inner tube 15 is provided with the air holes 10 arranged in the shape of a spiral.Send oxygen and aiding combustion
After blower fan 12 starts, the air with certain pressure enters in combustor body of heater out of air holes 10 that arrange in the shape of a spiral, is formed
Spiral wind, residence time of the increase oxygen in combustor burner hearth, make biomass powder burning more abundant；Further, spiral shell
Whirlwind also increases blast, is advantageous to blow away the combustion residue in each corner in burner hearth.
Biomass combustion machine burner hearth scarfing cinder is a big industry problems, and reason is the big particulate material of compact density, especially straw
The materials such as stalk, remained in that after burning and compare large volume, can only be by the other supplementary means in periphery to being deposited in the lime-ash of burner hearth
Cleared up, and can not be molded by sending oxygen blower fan directly band flake hearth-tapping, in the embodiment of the present application for discrete particles material, in burning
Directly it is blown to four winds, forms suspension combustion, the residue after burning is the powder smaller than raw material, very gently, is directly confused by wind
Flare band flake hearth-tapping, realizes automatic slag removal, ensures burner hearth not slagging.
Further, the diameter of the spiral rotor 18 is less than or equal to 90mm, the diameter of the discharging opening 20 be less than or
Equal to 30mm, the angle that the axis of the bus of the shaping pressure cylinder 19 and the shaping pressure cylinder 19 is formed is less than or equal to 20 degree.
Requirement when biological particles are hot-forming to forming temperature is very strict, when forming temperature is too low, due in raw material
Lignin has a softening temperature, and forming temperature is too low, lignin can not be softened, i.e., lignin does not reach as binding agent
Effect, can not be molded scattered raw material.Therefore current granule-forming machine using external heat or increases frictional force hair
The mode of heat, reaches the temperature being suitably molded, generally 70~100 DEG C, particle is cooled down again after shaping.The application is implemented
In example, the diameter of the spiral rotor 18 is less than or equal to 90mm, and the diameter of the discharging opening 20 is less than or equal to 30mm, described
It is molded the angle formed between the bus of pressure cylinder 19 and the axis of the shaping pressure cylinder 19 and is less than or equal to 20 degree.The length of the application
Degree and extruding angle guarantee that material smoothly is expressed into outlet by import, extruding force appropriateness, ensure biomass powder in outside
Thermal source can be squeezed into rod shaped materials when being heated to 70-100 DEG C by spiral pushing device and shaping pressure cylinder.The rod shaped materials of shaping
Fractureed naturally after reaching certain length by deadweight reason, burner hearth is dropped into by tremie pipe.Molding materials only need rod shaped materials to have
Standby certain shape, partial heat being absorbed from outside, after conducting self-heating is lighted, release heat can accumulate burning, and
Burner hearth, which provides, continues firepower.Prevent from that directly powder is directly thrown into burner hearth, at once whole after-flames, if subsequent material
It can not continue to provide, it is just automatic just flame-out, it is impossible to lasting to use.
For this programme after one-step forming, feeding burner hearth at the beginning of material, the air holes arranged in the shape of a spiral increases wind in burner hearth bottom
Duration, ensure the burning of material, oxygen be persistently provided, make material sustained combustion, and launching in follow-up material
When, the temperature in burner hearth is remained at a higher temperature, and then ensure the energy sustained combustion of subsequent material.And
Because the density of material forming is simultaneously little, after burning, wind blows off the part lighted material body so that it is in burner hearth by oxygen
More fully, so burn more fully, and caused lime-ash, with regard to volume is smaller, weight is lighter, wind is directly by its band
Flake hearth-tapping so that burner hearth not slagging.Therefore the application has advantages below：The extruding force of material forming device is reduced, without material
Firm club shaped structure is squeezed into, and the heat of burner hearth be can transmit and give material forming device, and heat, nothing are provided for the shaping of material
Need material forming device to provide other heater, and feed motor is reduced to several hectowatts by hundreds of kilowatts before, have
Beneficial to the practicality for saving the energy and expansion equipment.
Further, the combustor also includes the auxiliary heat ventilation for connecting the material forming device 13 and the tremie pipe 6
Pipe 7.A part of heat caused by combustor hearth combustion, the adding material forming device 13 by tremie pipe 6 and auxiliary hot ventilation duct 7
Hot chamber connection, circulation air path is formed, the temperature of charge of stove chamber inner combustion is reachable 70~100 DEG C, and auxiliary hot ventilation duct 7 makes high warm
Air is also entered in material forming device 13, and further the biomass in material forming device 13 is heated, and keeps material
The condition of high temperature of former 13.
Biomass powder absorbs a part of heat, material forming after entering the inner chamber of material forming device 13 by external storage bin 1
The inside of device 13 is in drive spiral pushing device 5 to rotate forward no more than the taper of 20 degree of angles, feed motor 4, and powder is by spiral
The extruding of propulsion plant 5 further heats up, and instantaneously reaches more than 80 DEG C in outlet, the temperature conditionss for possessing biomass powder shaping.
Biomass powder after shaping constantly extends to tremie pipe 6, is broken by Action of Gravity Field, falls in combustor body of heater.
Further, the combustor also includes electric-control system；The electric-control system includes：Main controller 21, automatic ignition
Device 9 and fire box temperature detection sensor 8；
The main controller 21 connects with feed motor 4, automatic ignition device 9 and the fire box temperature detection sensor 8 respectively
Connect.
Granular material and adhesive are added in material forming device first, then main controller control feed motor work one
After the section time, start automatic ignition device, and the temperature in combustor body of heater is detected by fire box temperature detection sensor, such as
The temperature value of fruit detection is less than or equal to the first preset temperature value, or detection temperature value more than the first preset temperature value and small
In or equal to the second preset temperature value, then it represents that automatic ignition device is not lighted a fire success, then need control feed motor continue to
Material, and control and give oxygen and aiding combustion blower fan to carry out giving oxygen, to increase the successful probability of automatic ignition device igniting；If the temperature of detection
Angle value is more than or equal to the 3rd preset temperature value, and the 3rd preset temperature value is more than the second preset temperature value, then it represents that automatic
Ignition device success, then control automatic ignition device to be stopped, and therefore, the present embodiment can be realized automatic by controller
Igniting, autofeed, and according to the temperature in actual body of heater, to giving oxygen and aiding combustion blower fan to be controlled, convenient use.
From above technical scheme, the embodiment of the present application provides a kind of biomass powder self-forming combustor, including：Outside
Storage bin 1, feed mechanism 2 are put, motor 4, tremie pipe 6 is fed, send oxygen and aiding combustion blower fan 12, material forming device 13 and combustor stove
Body.When combustor works, the biomass powder being stored in external storage bin 1 is transported to material forming device by feed mechanism 2
13, drive the spiral pushing device 5 in material forming device 13 to rotate by being fed motor 4, as powder increases, internal pressure becomes
Greatly, the rotation of spiral pushing device 5 can make the biomass powder in material forming device 13 be transported to combustor stove by tremie pipe 6
Burning in vivo, by sending oxygen and aiding combustion blower fan 12 to maintain fired state, flame is sprayed by bocca 17 caused by burning.On the one hand,
Biomass powder in the combustor that the embodiment of the present application provides, which is directly entered in combustor body of heater, to burn, and does not pack and transports
Work, density and shape for material forming do not require, so combustor equipment cost is low, use cost is low and has
Beneficial to the saving energy and expand capacity utilization；On the other hand, the diameter of the spiral rotor 18 is less than or equal to 90mm, described
The diameter of discharging opening 20 is less than or equal to 30mm, shape between the bus of the shaping pressure cylinder 19 and the axis of the shaping pressure cylinder 19
Into angle be less than or equal to 20 degree.The length and extruding angle of the application guarantees smoothly to be expressed to out material by import
Mouthful, extruding force appropriateness, ensure that biomass powder can be by spiral pushing device and shaping when external heat source is heated to 70-100 DEG C
Pressure cylinder is squeezed into rod shaped materials.The rod shaped materials of shaping fracture naturally after reaching certain length by deadweight reason, by tremie pipe
Drop into burner hearth.Molding materials only need rod shaped materials to possess certain shape, partial heat are absorbed from outside, by conducting self-heating
After lighting, release heat can accumulate burning, and provided in burner hearth and continue firepower.Prevent from directly direct plungeing into powder
Into burner hearth, whole after-flames, just automatic just flame-out, it is impossible to lasting to use if subsequent material can not continue to provide at once.
For this programme after one-step forming, feeding burner hearth at the beginning of material, the air holes arranged in the shape of a spiral increases wind in burner hearth bottom
Duration, ensure the burning of material, oxygen be persistently provided, make material sustained combustion, and launching in follow-up material
When, the temperature in burner hearth is remained at a higher temperature, and then ensure the energy sustained combustion of subsequent material.And
Because the density of material forming is simultaneously little, after burning, wind blows off the part lighted material body so that it is in burner hearth by oxygen
More fully, so burn more fully, and caused lime-ash, with regard to volume is smaller, weight is lighter, wind is directly by its band
Flake hearth-tapping so that burner hearth not slagging.Therefore the application has advantages below：The extruding force of material forming device is reduced, without material
Firm club shaped structure is squeezed into, and the heat of burner hearth be can transmit and give material forming device, and heat, nothing are provided for the shaping of material
Need material forming device to provide other heater, and feed motor is reduced to several hectowatts by hundreds of kilowatts before, have
Beneficial to the practicality for saving the energy and expansion equipment.
Those skilled in the art will readily occur to the application its after considering specification and putting into practice application disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the application, these modifications, purposes or
Person's adaptations follow the general principle of the application and including the undocumented common knowledges in the art of the application
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the application and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the application is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.Scope of the present application is only limited by appended claim.
Claims (5)
- A kind of 1. biomass powder self-forming combustor, it is characterised in that including：External storage bin (1), feed mechanism (2), give Material motor (4), tremie pipe (6), send oxygen and aiding combustion blower fan (12), material forming device (13) and combustor body of heater；The material forming device (13) includes：Housing, the charging aperture (3) for being located at the case top and it is located in the housing Spiral pushing device (5)；The external storage bin (1) is connected by the feed mechanism (2) with the charging aperture (3)；The spiral pushing device (5) includes rotating shaft (11) and the spiral rotor (18) being arranged in the rotating shaft side wall；One end of the rotating shaft (11) is connected through the housing with the feed motor (4)；The axisymmetrical of rotating shaft (11) described in the housing interior edge is provided with shaping pressure cylinder (19)；The shaping pressure cylinder (19) is provided with discharging opening (20)；The discharging opening (20) is connected by the tremie pipe (6) with the combustor body of heater；The combustor body of heater includes：Heat outer tube (16) and heating inner tube (15)；Air channel (14) are formed between the heating outer tube (16) and the heating inner tube (15)；Oxygen and aiding combustion blower fan (12) is sent in one end of the combustor body of heater described in being provided with, and the other end of the combustor body of heater is provided with spray Burner (17)；The diameter of the bocca (17) is less than the diameter of the heating inner tube (15).
- A kind of 2. biomass powder self-forming combustor according to claim 1, it is characterised in that the heating inner tube (15) it is provided with the air holes (10) arranged in the shape of a spiral.
- A kind of 3. biomass powder self-forming combustor according to claim 1, it is characterised in that the spiral rotor (18) diameter is less than or equal to 90mm, and the diameter of the discharging opening (20) is less than or equal to 30mm, the shaping pressure cylinder (19) Bus and the shaping pressure cylinder (19) axis between the angle that is formed be less than or equal to 20 degree.
- 4. a kind of biomass powder self-forming combustor according to claim 1, it is characterised in that the combustor also wraps Include the auxiliary hot ventilation duct (7) for connecting the material forming device (13) and the tremie pipe (6).
- 5. a kind of biomass powder self-forming combustor according to claim 4, it is characterised in that the combustor also wraps Include electric-control system；The electric-control system includes：Main controller (21), automatic ignition device (9) and fire box temperature detection sensor (8)；The main controller (21) is fed motor (4), automatic ignition device (9) and fire box temperature detection sensor with described respectively (8) connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720195743.8U CN206637599U (en) | 2017-03-02 | 2017-03-02 | A kind of biomass powder self-forming combustor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720195743.8U CN206637599U (en) | 2017-03-02 | 2017-03-02 | A kind of biomass powder self-forming combustor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705028A (en) * | 2017-03-02 | 2017-05-24 | 长沙市驱动源电气技术有限公司 | Self-forming combustor for biomass powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705028A (en) * | 2017-03-02 | 2017-05-24 | 长沙市驱动源电气技术有限公司 | Self-forming combustor for biomass powder |
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