A kind of wind electricity blade wastes thermal decomposition incineration furnace and its control method
Technical field
The present invention relates to energy conservation and environmental protections, are related to waste reduction and disposal equipment, are to be related to a kind of wind-powered electricity generation leaf more specifically
Piece wastes thermal decomposition incineration furnace and its control method.
Background technique
The prosperity and development of the wind-powered electricity generation industry of last decade generate a large amount of wind electricity blade waste, and large scale wind is sent out at present
The blade of motor is substantially made of composite material, and accumulation increasingly causes serious environmental pollution, mass disposal wind-powered electricity generation
Blade waste is a problem to be solved.
The main method of processing wind electricity blade waste is landfill at present, and the main component of wind electricity blade is non-degradable
High molecular material, thus fundamentally cannot effectively solve its pollution problem.China Patent Publication No. is CN105215042A's
Patent of invention provides the method for treatment of waste material generated in wind electricity blade production and product application method is made, will mainly give up
Die briquetting is made after material fragmentation, although this method can accomplish to recycle and utilize wind electricity blade waste to a certain extent,
But problem of environmental pollution is still remained after these wind electricity blade waste products are discarded, still needs to be further processed.
Summary of the invention
To solve the above problems, the invention discloses a kind of wind electricity blade wastes thermal decomposition incineration furnace and its control method,
Abundant pyrolysis and combustion can be carried out to waste material, reduce pollution.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of wind electricity blade wastes thermal decomposition incineration furnace, including furnace body, furnace body are provided with cooling tube outside, open at the top of furnace body
Mouthful, upper end is provided with the smoke outlet communicated with the outside world, and bottom is provided with ash chute;There is working chamber, working chamber is by upper in furnace body
And lower includes dry section, pyrolysis zone and combustion zone;Be additionally provided in furnace body automatically controlled feeding gate, spiral agitator, gas fabric feeder,
Isolation cover, automatically controlled feeding gate, spiral agitator are driven by motor respectively;The setting of automatically controlled feeding gate dry section and pyrolysis zone it
Between, it is provided with several through-holes;Spiral agitator longitudinally runs through pyrolysis zone and combustion zone;Gas fabric feeder is placed in combustion zone bottom
Portion, part of it escape pipe are located at sidewall of the furnace body, and gas fabric feeder is connect with screw bearing, and can be rotated in furnace body;
Isolation cover is arranged on the inside of gas fabric feeder, for separation gas fabric feeder and wind electricity blade material.
Further, the gas fabric feeder includes several horizontal air supply pipes and several vertical air supply pipes, every air supply pipe
On be all provided with several ventholes, the center circle tangent to periphery side of the center line of venthole and vertical air supply pipe on vertical air supply pipe
It is 20 °~45 ° to angle theta range.
Further, the gas fabric feeder is connect with feeder.
Further, the automatically controlled feeding gate includes the first semicircle door, the second semicircle door, baffle, convex block, shaft, baffle
It is vertically arranged in above two semicircular door, the first semicircle door is fixed with shaft, and the second semicircle door is connect by bearing with shaft, convex block
It is fixed on the second semicircle door edge, convex block upper surface is higher than the lower surface of the first semicircle door, and the first semicircle door is higher than the second semicircle
Door, their Plane of rotation are parallel to each other.
Further, the cooling tube spiral is mounted on furnace wall, and coolant liquid flows from bottom to top in cooling tube.
Further, pyrolysis zone includes fluidized bed pyrolysis area, mixed pyrolysis area, fixed-bed pyrolysis area from top to bottom, described
Fluidized bed pyrolysis area is for being pyrolyzed little particle wind electricity blade waste material;The mixed pyrolysis area is for being pyrolyzed bulky grain and little particle wind
Electric blade waste material;The fixed-bed pyrolysis area is for being pyrolyzed bulky grain wind electricity blade waste material.
Further, isolation cover side wall is frame structure, is provided on bottom plate and is radially staggered with gas fabric feeder venthole
Through-hole.
It further, further include auxiliary combustion equipment, auxiliary combustion equipment includes oil tank, oil pump and burner.
It further, further include temperature controller for the ignition temperature in real-time measurement furnace, temperature controller feedback
To feeder.
A kind of control method of wind electricity blade wastes thermal decomposition incineration furnace, includes the following steps:
(1) wind electricity blade waste is added by top opening, automatically controlled feeding gate is in off state at this time, below feeding gate
The waste material on feeding gate is dried in pyrolysis high-temperature gas;
(2) when feeding, realize rotation under the driving of motor and drive bevel gear that charging door pivot is held on it, two valves into
Bin gate is opened respectively, and material enters in pyrolysis zone above feeding gate;
(3) material successively passes through fluidized bed pyrolysis area, mixed pyrolysis area, fixed-bed pyrolysis area, combustion zone, blender low speed
Rotation, blade stir material in pyrolysis zone, seethe material mixing, are pyrolyzed material sufficiently completely;The pyrolysis of fluidized bed pyrolysis area
Little particle wind electricity blade waste material, pyrolysis zone pyrolysis bulky grain and little particle wind electricity blade waste material, fixed-bed pyrolysis area are pyrolyzed big
Grain wind electricity blade waste material;Residue after pyrolysis sinks to combustion zone full combustion, the horizontal air supply pipe in gas fabric feeder and perpendicular
Direct-furnish tracheae is air-supplied into pyrolysis zone and combustion zone, with the supply gas fabric feeder rotation of air, revolving speed and gas supply
It measures proportional;Blender seethes material mixing in combustion zone, makes the abundant completely burned of material, and make the ashes of bottom to surrounding
Ash chute is eventually fallen into after diffusion, the high temperature hot gas generated rises in pyrolysis zone and dry section, finally outside by smoke outlet
Discharge.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
Wind electricity blade waste material sufficiently can be pyrolyzed and be burnt, reduce pollution.Work can be utilized in pretreatment
Material is pre-dried in the hot-air of intracavitary upward ascension;Double semicircle doors can allow material uniformly to fall in batches, keep away
Exempting from disposable all fall causes to be pyrolyzed, burn insufficient problem;Pass through blender and gas fabric feeder in pyrolytic process
Collective effect can be realized material and sufficiently be pyrolyzed completely, burns inner flue gas of the stove and forms vortex, improves the efficiency of pyrolysis;It is burning
Area, blender seethe material mixing, and gas fabric feeder provides sufficient air, realizes the abundant completely burned of material;Spiral is cold
But pipe enhances heat transfer effect, and plays the role of reinforcing rib, improves furnace body intensity.
Detailed description of the invention
Fig. 1 is wind electricity blade wastes thermal decomposition incineration furnace diagrammatic cross-section provided by the invention.
Fig. 2 is gas fabric feeder vertical view and partial enlargement diagram, illustrates vertical air supply pipe outgassing direction in figure.
Fig. 3 is gas fabric feeder stereoscopic schematic diagram.
Fig. 4 is automatically controlled feeding gate stereoscopic schematic diagram.
Description of symbols:
1- first motor, 2- smoke outlet, 3- dry section, 4- fluidized bed pyrolysis area, 5- mixed pyrolysis area, 6- fixed-bed pyrolysis
Area, the combustion zone 7-, 8- gas fabric feeder, the horizontal air supply pipe of 801-, the vertical air supply pipe of 802-, 9- temperature measuring equipment, 10- gas supply dress
It sets, the second motor of 11-, 12- ash chute, 13- auxiliary combustion equipment, 14- isolation cover, 15- spiral agitator, the automatically controlled feeding gate of 16-,
17- spiral cooling tube, the first semicircle door of 31-, the second semicircle door of 32-, 33- baffle, 34- convex block, 35- shaft.
Specific embodiment
Technical solution provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
As shown in Figure 1 to 4, a kind of wind electricity blade wastes thermal decomposition incineration furnace provided by the invention, including pyrolytic incineration
Furnace body and the auxiliary devices such as temperature controller (temperature measuring equipment) and auxiliary combustion equipment 13.Wherein, pyrolytic incineration furnace body includes furnace
The spiral cooling tube 17 depended on outside body and furnace body.There is opening at the top of furnace body, there is working chamber in furnace body, working chamber is by upper
And lower includes dry section, pyrolysis zone and combustion zone, is provided with automatically controlled feeding gate 16, spiral agitator 15, gas for cloth in furnace body
Device 8, isolation cover 14.Automatically controlled feeding gate 16 is arranged between dry section and pyrolysis zone for dry section and pyrolysis zone to be isolated;Spiral
Blender 15 is longitudinally disposed, is driven by motor, and runs through pyrolysis zone and combustion zone;Gas fabric feeder 8 is placed in combustion zone bottom, one
Part escape pipe is located at sidewall of the furnace body, the setting of isolation cover 14 in the inside of gas fabric feeder 8, for separation gas fabric feeder 8 with
Wind electricity blade material.The smoke outlet 2 communicated with the outside world is provided at the dry section of furnace body upper end, bottom of furnace body is provided with ash chute
12。
17 cross sectional shape of spiral cooling tube is semicircle, and spiral is mounted on furnace wall.Coolant liquid is from bottom to top in cooling tube
Flowing, flow direction is raised contrary with in-furnace temperature, to enhance heat transfer effect.Cooling tube can also on the outside of furnace body
Enough play the role of reinforcing rib, improves furnace body intensity.
Automatically controlled 16 structure of feeding gate is as shown in figure 4, when working, and pretreated material is stacked above feeding gate, processed material
Material is pyrolyzed below feeding gate, a certain number of small sircle holes is provided on feeding gate, so as to the pyrolysis high temperature below feeding gate
The pretreated material above feeding gate is dried in gas.In Fig. 4, feeding gate includes two fan semicircle door --- the first semicircles
Door 31 and the second semicircle door 32 and baffle 33, convex block 34, shaft 35.Baffle is vertically arranged in above two semicircular door, the first electricity
Machine 1 is connect by transmission device with shaft 35, and the first semicircle door 31 is fixed together with shaft, and the second semicircle door 32 passes through zanjon
Ball bearing is connect with shaft, and convex block 34 is fixed on 32 marginal position of the second semicircle door, and 34 upper surface of convex block is higher than the first semicircle door
31 lower surface, so as to allow the first semicircle door 31 to contact in rotation with convex block 34.Two semicircular door composition is complete round
Block feed inlet.Not on a Plane of rotation, the first semicircle door 31 is higher than second for first semicircle door 31 and the second semicircle door 32
Semicircle door 32, their Plane of rotation are parallel to each other.When charging, the motor held on it of charging door pivot and drive bevel gear
Driving is lower to realize rotation, and then two valve feeding gates are opened respectively, and material enters in pyrolysis zone above feeding gate so as to subsequent thermal
Solution.Specifically, after first motor 1 starts, the first semicircle door 31 rotates counterclockwise 180 °, under baffle effect, the first semicircle
The wind electricity blade material of 31 top of door falls, and then the first semicircle door 31 is encountered after convex block 34 with the second semicircle door 32 counterclockwise
The wind electricity blade material of 180 ° of rotation, 32 top of the second semicircle door is hindered under by baffle 33 and 31 side of the first semicircle door
It falls, then the first semicircle door 31 rotates clockwise 180 °, and automatically controlled feeding gate 16 is closed, and completes a feed cycle.Automatically controlled charging
Door can also use more universal electric gate valve, but effect is obviously not so good as in Fig. 4 double semicircle doors.Double semicircle door energy
It enough allows material uniformly to fall in batches, disposable all fall is avoided to cause to be pyrolyzed, burn insufficient problem.
Blender is realized under the driving of the second motor 11 to slowly run, and blade is helical structure.In pyrolysis zone, blade
Material is stirred, material mixing is seethed, realizes that material is sufficiently pyrolyzed completely;In combustion zone, on the one hand seethe material mixing, it is real
The existing abundant completely burned of material, spreads the ashes of bottom to surrounding, avoids the accumulation of ashes, is convenient for ash discharge.
Pyrolysis zone includes fluidized bed pyrolysis area 4, mixed pyrolysis area 5, fixed-bed pyrolysis area 6 from top to bottom, wherein fluidized bed
Pyrolysis zone 4 is for being pyrolyzed little particle wind electricity blade waste material;Mixed pyrolysis area 5 is useless for being pyrolyzed bulky grain and little particle wind electricity blade
Material;Fixed-bed pyrolysis area 6 is for being pyrolyzed bulky grain wind electricity blade waste material.Pyrogenation incinerator pyrolysis way is fixed-bed pyrolysis and stream
Change the combination of bed pyrolysis, after fixed-bed pyrolysis reaction occurs, air-flow accelerates, and causes wind electricity blade particle to be suspended in pyrolysis and burns
It burns in furnace, forms fluidized bed pyrolysis area 4 above fixed-bed pyrolysis area 6.After fluidized bed pyrolysis reaction occurs, wind electricity blade particle
It is heated evenly, is in " boiling " state in furnace, pyrolytic reaction efficiency is got higher.After pyrolysis residue (pyrolysis oil, glass fibre,
Coke and filler) 7 full combustion of combustion zone is sunk to, temperature is up to 650~870 DEG C, and heat is used to provide dry section 3, pyrolysis
Heat needed for area, the ashes after burning fall into ash chute 12.
Gas fabric feeder 8 is placed in combustion zone bottom, including the vertical air supply pipe 802 of 7 horizontal air supply pipes 801 and 4 piece, horizontal
The quantity of air supply pipe 801 and vertical air supply pipe 802 can according to need adjustment, and horizontal air supply pipe 801 is located at combustion zone, and vertical
Air supply pipe 802 extends to pyrolysis zone.Several ventholes are all provided on every air supply pipe.Gas fabric feeder 8 and feeder 10 connect
It connects, feeder 10 is air-supplied toward combustion zone 7 by gas fabric feeder 8, provides sufficient combustion-supporting oxygen for combustion zone 7.Gas
8 bottom of fabric feeder is connect with screw bearing, and its pipeline is placed on the outside of screw bearing, and the interface at both ends is sealed with sealing ring,
Bearing is fixed below furnace body.When feeder 10 is that gas fabric feeder 8 supplies, gas fabric feeder 8 can pushing away in air-flow
With axis rotation under dynamic, revolving speed increases with the increase of air demand, and to work, intracavity gas is evenly distributed, and it is equal to improve pyrolysis
Even property and efficiency.Horizontal air supply pipe 801 provides air for combustion zone;It is vertical to supply in fluidized bed pyrolysis area 4 and mixed pyrolysis area 5
802 upper end of tracheae, which is respectively equipped with 12(quantity, to be increased and decreased as needed) a lesser venthole of diameter, the center line of venthole with
The center circle tangent to periphery angular separation θ range of vertical pipe is 20 °~45 °, and the air of supply is made to generate circumferential direction and diameter in this way
To two component velocities, gas fabric feeder rotation power is on the one hand provided, on the other hand to provide uniform air in working chamber, and
Make to burn inner flue gas of the stove formation vortex, reinforces the disturbance of flue gas, improve the efficiency of pyrolysis.
The effect of isolation cover 14 is the rotation and confession for preventing the accumulation of wind electricity blade waste and influencing gas fabric feeder 8
Gas.14 side wall of isolation cover is preferably arranged to frame structure, so that 8 vertical pipe of gas fabric feeder unhinderedly supplies;Isolation cover 14
The circular hole for the circumferentially array being radially staggered with 8 venthole of gas fabric feeder, i.e. these circular holes and horizontal gas supply are provided on bottom plate
801 venthole rotational circle contour of pipe is not overlapped and (is staggered), so that fabric feeder horizontal tube can be supplied freely, and keeps ashes normal
It falls without the air vent for blocking fabric feeder horizontal tube.
Auxiliary combustion equipment 13 is made of oil tank, oil pump and burner, and burning in furnace body can be enabled more abundant.Ash chute 12 is attached
Inverted conical structure is closely used, ash chute can be smoothly entered convenient for ashes, prevent the accumulation of ashes.
Temperature controller includes temperature measuring equipment 9, and temperature measuring equipment 9 preferably uses thermometric thermal resistance, passes through 8 axis of gas fabric feeder
Set is inserted into wind electricity blade wastes thermal decomposition incineration furnace, the ignition temperature in real-time measurement furnace.When in-furnace temperature is higher than 875 DEG C
When (temperature value can adjust as needed), temperature measuring equipment can feed back feeder 10, and feeder 10 can reduce for gas velocity
Degree, it is on the contrary then improve the temperature in furnace thus to reduce the temperature in furnace.
When a kind of wind electricity blade wastes thermal decomposition incineration furnace provided by the invention works, wind electricity blade is added by top opening
Waste, automatically controlled feeding gate is in off state at this time, and the pyrolysis high-temperature gas below feeding gate carries out the waste material on feeding gate
It is dry, when charging, rotation, the first semicircle door 31 are realized under the driving of motor and drive bevel gear that charging door pivot is held on it
It is opened respectively with the second semicircle door 32, material enters above feeding gate successively to be passed through fluidized bed pyrolysis area 4 in pyrolysis zone, mixes
Close pyrolysis zone 5, fixed-bed pyrolysis area 6, combustion zone.Gas fabric feeder 8 is that pyrolysis zone and combustion zone supply.Blender low speed rotation
Dynamic, blade stirs material in pyrolysis zone, seethes material mixing, realizes that material is sufficiently pyrolyzed completely;Fluidized bed pyrolysis area 4 is pyrolyzed
Little particle wind electricity blade waste material, pyrolysis zone pyrolysis bulky grain and little particle wind electricity blade waste material, fixed-bed pyrolysis area 6 are pyrolyzed big
Grain wind electricity blade waste material.Residue after pyrolysis sinks to combustion zone full combustion, the horizontal air supply pipe 801 in gas fabric feeder 8
Air-supplied toward working chamber with vertical air supply pipe 802, with the supply gas fabric feeder rotation of air, revolving speed is in air demand
Direct ratio makes to burn inner flue gas of the stove formation vortex;Blender seethes material mixing in combustion zone, realizes that material sufficiently fires completely
Burn, and make the ashes of bottom to eventually falling into ash chute 12 after surrounding diffusion, the high temperature hot gas generated rise to pyrolysis zone and
In dry section, finally discharged by smoke outlet.During the work time, when in-furnace temperature is excessively high, temperature measuring equipment 9 can be fed back
Feeder 10, feeder 10 reduce gas supply speed, on the contrary then improve in-furnace temperature thus to reduce the temperature in furnace.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.