CN105645715B - A kind of material processing method - Google Patents
A kind of material processing method Download PDFInfo
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- CN105645715B CN105645715B CN201610006441.1A CN201610006441A CN105645715B CN 105645715 B CN105645715 B CN 105645715B CN 201610006441 A CN201610006441 A CN 201610006441A CN 105645715 B CN105645715 B CN 105645715B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of material processing methods, integrate heating, stirring and dry material handling system using a kind of, heating, stirring and drying are carried out simultaneously, heating, stirring and the dry material handling system of integrating includes furnace body, for to the charging gear that material is added in furnace body, for collecting the material-receiving device of the material in furnace body after drying, it is by the first air inlet that extraneous hot gas introducing furnace is intracorporal to wind apparatus, and the agitating device for being stirred and crushing to material.Wherein, agitating device includes the second shaft, is threaded through in the cavity of the furnace body, and second shaft has venting cavity, several puff prots are provided on the venting cavity, the jet direction of the puff prot is not overlapped not parallel with the mixing direction of the mixing direction of the agitating shaft and the blade.
Description
Technical field
The present invention relates to material processing technology fields, and in particular to what a kind of pair of material was heated, and stirred and dried
Processing method.
Background technique
Sludge is the product in sewage disposal process, containing a large amount of organic matter, heavy metal and mould etc., if being not added subsequent
Processing environment can be caused seriously to pollute, therefore, often sludge is carried out concentration and dehydration, but by this processing after
Moisture percentage in sewage sludge usually 70% or more, also need further to be dried sludge.
The material handling system used in the prior art to drying sludge, structure is mostly such as Chinese patent literature
Material handling system disclosed in CN201058838Y, including furnace body, the batcher being connect with the feed inlet of furnace body, with furnace body
The spray column of gas outlet connection.Wherein, furnace body includes setting in the intracorporal transmission shaft of furnace, is arranged on transmission shaft outer wall and radial
Several hollow blades extended heat hollow blade and furnace body outer wall by being passed through high-temperature gas into transmission shaft, so that furnace
Hot environment is formed in vivo.This material handling system during to dry materials, material be in inboard wall of furnace body, transmission shaft and
In the cavity that blade outer wall is formed, under the rotation of transmission shaft, blade stirs material along the direction that transmission shaft rotates, so that material
It is stirred in the cavity, and carries out heat convection between blade outer wall, transmission shaft outer wall and inboard wall of furnace body.
But above-mentioned material handling system, material is transmitted the unidirectional blade stirring of axis always, along same direction
It rolls, on the one hand can reduce the heat-transfer effect in later period, it is long that material is stirred interval time, cannot be fully to object
Material stirring；On the other hand, for material biggish for some humidity, it will cause along same direction rolling and glued between material
It closes, influences the shatter value of material, be unfavorable for heat convection, cause heat exchange efficiency low, drying effect is bad.
In addition, in the prior art, when the intracorporal material of furnace is dried using gas, generally requiring in the outer of furnace body
Portion's setting heating device heats gas, the gas after heating is then passed into furnace interior again, this leads to entire object
Expect that structure is complicated for processing system.
Summary of the invention
Therefore, technical problem to be solved by the present invention lies in overcome material handling system drying efficiency in the prior art
Low, drying effect is bad and complicated defect.
For this purpose, the present invention provides a kind of material processing method, include the following steps
The step of material is heated；
The step of material is stirred；
The step of material is dried；
The step of the step of the step of heating, stirring and drying is carried out simultaneously using same system, the system
Including
Furnace body, horizontally disposed, feed inlet, the discharge port for being added, taking out with cavity, for material；And heat supply
Gas inflow, the first air inlet of outflow, the first gas outlet；
Charging gear, for material is added in the furnace body；
Material-receiving device, for collecting the material in the furnace body after drying；
First rotating shaft is threaded through in the cavity of the furnace body, has installation cavity, if being provided on the inner wall of the installation cavity
Dry heating wire, the heating wire generate heat when being powered, and the first rotating shaft is made of Heat Conduction Material；
Second shaft is set in the first rotating shaft, and venting cavity is formed between the first rotating shaft, the ventilation
Several puff prots, the mixing direction and the blade of the jet direction of the puff prot and the agitating shaft are provided on chamber
Mixing direction be not overlapped not parallel, the central axes of the jet direction of the puff prot and the feed inlet form 30-50 degree folder
Angle, the airintake direction of first air inlet with the jet direction of the puff prot is not parallel is not overlapped；
Connecting tube, the venting cavity are connect by connecting tube with first gas outlet, first gas outlet with it is described
Puff prot does not open simultaneously；
Agitating shaft is arranged on the outer wall of second shaft, and the radial direction towards second shaft extends, and edge
Second shaft axial outer wall distribution it is multiple；
Blade is inclined on the agitating shaft to be multiple, and the distance between adjacent described blade is not more than 30mm.
The blade is removably set on the agitating shaft, and the mixing component further includes locking member, and being used for will be described
Blade is locked at the required position on the agitating shaft.
Multiple agitating shafts are distributed on multiple spaced peripheries of second shaft, second shaft it is every
At least one agitating shaft is distributed on a periphery.
Agitating shaft on adjacent circumferential face is located on different vertical planes.
The agitating shaft is at least four, and four agitating shafts are separately positioned on four peripheries of second shaft
On, and four agitating shafts are successively set on respectively in the top exterior walls in the Z-direction of second shaft, Y direction
On front outer wall on, in the bottom outer wall on the rear portion outer wall in Y direction and in Z-direction.
Angle of the blade tilted set on the agitating shaft is greater than 0 ° and is less than or equal to 20 °；The blade
Spacing between the edge and the inboard wall of furnace body of inboard wall of furnace body side is 0.5-10 centimetres.
It is described to wind apparatus be hot-blast stove, the gas outlet of the hot-blast stove is connected to first air inlet by second pipe
Mouthful.
It further include air distribution device, the gas outlet of the air distribution device is connected to the second pipe, is used for outside air
It introduces in the second pipe, is mixed with the hot gas in the second pipe.
It further include dust-extraction unit, the dust-extraction unit includes cyclone cylinder, and there is the cyclone cylinder the second air inlet, second to go out
Port and third gas outlet；
Second air inlet is connected to first gas outlet, for the intracorporal gas of furnace to be introduced the cyclone cylinder
It is interior, and to the dedusting of introducing；
Second gas outlet is in communication with the outside, for the gas after dedusting to be discharged；
The third gas outlet is connected to by first pipe with the cavity to wind apparatus, for by the gas after dedusting
It is mixed with to the hot gas in wind apparatus, the hot gas of moisture content needed for being formed.
The bore of the puff prot is not more than 3mm, and the jet velocity at the puff prot is greater than the rotation of second shaft
Rotary speed.
The material is sludge.
Technical solution provided by the invention, has the advantages that
1. material processing method provided by the invention, using a set of dedicated processing system, so that heating, stirring and doing
It is dry to be integrated, it carries out simultaneously, which includes furnace body, has feed inlet, discharge port, the first air inlet and the on furnace body
One gas outlet；For the charging gear to addition material in furnace body, for collecting the material-receiving device of the material in furnace body after drying,
Agitating device, including first rotating shaft are threaded through in the cavity of the furnace body, are had installation cavity, are set on the inner wall of the installation cavity
Several heating wire are equipped with, the heating wire generates heat when being powered, and the first rotating shaft is made of Heat Conduction Material；Second shaft, is arranged
In the first rotating shaft, and venting cavity is formed between the first rotating shaft, several jets are provided on the venting cavity
Mouthful, the jet direction of the puff prot is not overlapped injustice with the mixing direction of the mixing direction of the agitating shaft and the blade
Row, the central axes of the jet direction of the puff prot and the feed inlet form 30-50 degree angle, first air inlet into
Gas direction with the jet direction of the puff prot is not parallel is not overlapped；Agitating shaft is arranged on the outer wall of second shaft, to
Second shaft radial direction extend, and along the axial outer wall of second shaft be distributed it is multiple；Blade is more
It is a, it is inclined on the agitating shaft, the distance between adjacent described blade is not more than 30mm.
This processing system, when material is dried, material is added in the cavity of furnace body charging gear through feed inlet,
Meanwhile second shaft rotation drive the second shaft on mixing component along the second shaft it is radial and axial to material carry out not
Disconnected stirring, mixing component include the agitating shaft being arranged on the second shaft outer wall, and agitating shaft is towards the radial direction side of the second shaft
To extension, multiple agitating shafts are distributed along the axial outer wall of the second shaft；And multiple blades, blade tilted set is in agitating shaft
On.Under the rotation of the second shaft, agitating shaft and blade are as the second shaft rotates, and multiple agitating shafts and blade are simultaneously second
Shaft is axially and radially stirred material, and in whipping process, blade can comminuting matter, and can be by material
It throws in the cavity of furnace body, so that material not only rolls in furnace body, additionally it is possible to be moved in furnace body cavity, increase material and sky
The heat convection area of intracavitary thermal current, to improve heat exchange efficiency.Also, several jets are provided on the venting cavity
Mouthful, the jet direction of the puff prot is not overlapped injustice with the mixing direction of the mixing direction of the agitating shaft and the blade
Row；The airintake direction of first air inlet with the jet direction of the puff prot is not parallel is not overlapped, to increase stirring
Dimension, avoid only stir material in one direction so that material is bonded together, influence the loosening degree of material；In addition,
Mixing component is while stirring material, additionally it is possible to by crushing material, form the smaller material of particle, further increase material with
The area of hot gas heat convection improves the drying efficiency of material；After band material is dried, through falling in material-receiving device under discharge port
On, and be transported away.Also, above-mentioned drying device further includes connecting tube, and the venting cavity is gone out by connecting tube with described first
Port connection, first gas outlet do not open simultaneously with the puff prot, so that the intracorporal gas of furnace can be by into one
Walk Collection utilization.In addition, the central axes of the jet direction of the puff prot and the feed inlet form 30-50 degree angle, that is,
The central axes of puff prot and the central axes of the air inlet form 30-50 degree angle, this makes the material come in from feed inlet, energy
Eddy flow overturning enough is carried out for the gas that puff prot sprays, improves stirring and drying effect.
In addition, first rotating shaft, is threaded through in the cavity of the furnace body, there is installation cavity, set on the inner wall of the installation cavity
Several heating wire are equipped with, the heating wire generates heat when being powered, and the first rotating shaft is made of Heat Conduction Material, so as to utilize position
It is heated in the heating wire in first rotating shaft for the gas in the venting cavity, so that heating and dry together as one,
First rotating shaft is arranged inside the second shaft, space utilization rate is improved, so that mechanism is simple.
2. the blade of material processing method provided by the invention, the system used is removably set on agitating shaft, stir
Mixing component further includes locking member, for blade to be locked at the required position on agitating shaft.Blade moves on agitating shaft, adjusts
Gap between completeblade and inboard wall of furnace body is driven with changing blade to material stirring and crushing effect and material by blade
Under, the motion state in furnace body, so that it is determined that material meets the drying demand of different material in the furnace intracorporal residence time.
3. multiple agitating shafts of material processing method provided by the invention, the system used are distributed in the more of the second shaft
On a spaced periphery, at least one agitating shaft is distributed on each periphery of the second shaft.When the second shaft turns
When dynamic, the second shaft drives the agitating shaft on multiple peripheries and blade to be thereon stirred and crush material, is located at the
Material on two shaft axial directions can by the periphery of the second shaft of corresponding position agitating shaft and blade stir
And crushing, it is ensured that material can be stirred and be crushed by blade in furnace body, and the effect for stirring and crushing is more evenly, improves object
Expect dry effect.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of top view of the structural representation of embodiment of the processing system provided in embodiment 1；
Fig. 2 is the structural schematic diagram of furnace body in the processing system provided in embodiment 1；
Fig. 3 is the right view of the furnace structure schematic diagram provided in Fig. 2；
Fig. 4 is the cooperation schematic diagram of first rotating shaft and the second shaft.
Description of symbols in figure: 1- furnace body；11- feed inlet；12- discharge port；The first air inlet of 13-；The first outlet of 14-
Mouthful；2- charging gear；3- material-receiving device；4- is to wind apparatus；The second shaft of 5-；6- agitating shaft；7- blade；8- locking member；9- is removed
Dirt device；The second air inlet of 91-；92- third gas outlet；10- first pipe；15- air distribution device；16- second pipe；17-
One shaft；18- puff prot；19- heating wire.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
Such as Fig. 1, the present embodiment provides a kind of material handling systems to include
Furnace body 1, horizontally disposed, feed inlet 11, the discharge port 12 for being added, taking out with cavity, for material；And
It is flowed into for hot gas, the first air inlet 13 of outflow, the first gas outlet 14；
Charging gear 2, for material is added in the furnace body 1；
Material-receiving device 3, for collecting the material in the furnace body 1 after drying；
First rotating shaft 17 is threaded through in the cavity of the furnace body 1, is had installation cavity, is arranged on the inner wall of the installation cavity
There are several heating wire 19, the heating wire generates heat when being powered, and the first rotating shaft is made of Heat Conduction Material；As shown in Figure 4；
Second shaft 5, is set in the first rotating shaft, and venting cavity is formed between the first rotating shaft, described logical
Several puff prots 18, the mixing direction and institute of the jet direction of the puff prot and the agitating shaft 6 are provided on air cavity
The mixing direction for stating blade 7 is not overlapped not parallel, and the jet direction of the puff prot and the central axes of the feed inlet 11 are formed
30-50 degree angle, the airintake direction of first air inlet 13 with the jet direction of the puff prot is not parallel is not overlapped；
Connecting tube, the venting cavity are connect by connecting tube with first gas outlet 14, first gas outlet 14 and
The puff prot does not open simultaneously；
Agitating shaft 6 is arranged on the outer wall of second shaft 5, and the radial direction towards second shaft 5 extends,
And it is distributed along the axial outer wall of second shaft 5 multiple；
Blade 7 is inclined on the agitating shaft 6, the distance between adjacent described blade 7 is not more than to be multiple
30mm。
Material handling system provided by the invention, including furnace body have feed inlet, discharge port, the first air inlet on furnace body
And first gas outlet；For the charging gear to addition material in furnace body, for collecting connecing for the material in furnace body after drying
Expect device, agitating device, including the second shaft, be threaded through in the cavity of the furnace body, second shaft has venting cavity, institute
It states and is provided with several puff prots on venting cavity, the mixing direction and institute of the jet direction of the puff prot and the agitating shaft
State blade mixing direction be not overlapped it is not parallel；Agitating shaft is arranged on the outer wall of second shaft, towards described second turn
The radial direction of axis extends, and multiple along the distribution of the axial outer wall of second shaft；Blade is inclined to be multiple
On the agitating shaft, the distance between adjacent described blade is not more than 30mm.
This processing system, when material is dried, material is added in the cavity of furnace body charging gear through feed inlet,
Meanwhile second shaft rotation drive the second shaft on mixing component along the second shaft it is radial and axial to material carry out not
Disconnected stirring, mixing component include the agitating shaft being arranged on the second shaft outer wall, and agitating shaft is towards the radial direction side of the second shaft
To extension, multiple agitating shafts are distributed along the axial outer wall of the second shaft；And multiple blades, blade tilted set is in agitating shaft
On.Under the rotation of the second shaft, agitating shaft and blade are as the second shaft rotates, and multiple agitating shafts and blade are simultaneously second
Shaft is axially and radially stirred material, and in whipping process, blade can comminuting matter, and can be by material
It throws in the cavity of furnace body, so that material not only rolls in furnace body, additionally it is possible to be moved in furnace body cavity, increase material and sky
The heat convection area of intracavitary thermal current, to improve heat exchange efficiency.Also, several jets are provided on the venting cavity
Mouthful, the jet direction of the puff prot is not overlapped injustice with the mixing direction of the mixing direction of the agitating shaft and the blade
Row；The airintake direction of first air inlet with the jet direction of the puff prot is not parallel is not overlapped, to increase stirring
Dimension, avoid only stir material in one direction so that material is bonded together, influence the loosening degree of material；In addition,
Mixing component is while stirring material, additionally it is possible to by crushing material, form the smaller material of particle, further increase material with
The area of hot gas heat convection improves the drying efficiency of material；After band material is dried, through falling in material-receiving device under discharge port
On, and be transported away.Also, above-mentioned drying device further includes connecting tube, and the venting cavity is gone out by connecting tube with described first
Port connection, first gas outlet do not open simultaneously with the puff prot, so that the intracorporal gas of furnace can be by into one
Walk Collection utilization.In addition, the central axes of the jet direction of the puff prot and the feed inlet form 30-50 degree angle, that is,
The central axes of puff prot and the central axes of the air inlet form 30-50 degree angle, this makes the material come in from feed inlet, energy
Eddy flow overturning enough is carried out for the gas that puff prot sprays, improves stirring and drying effect.
As further preferred embodiment, blade 7 be inclined at the angle on 6 outer wall of agitating shaft be greater than 0 ° and
Less than or equal to 20 °.For example, blade 7, which is tilted 1 °, 3 °, 5 °, 7 °, 10 °, 12 °, 15 °, 20 ° etc., is equiangularly arranged in agitating shaft
On 6, the blade 7 being inclined on agitating shaft 6 not only plays the role of stirring action, and there are also comminuting matters.Comprehensively consider material
Stirring and pulverization are arranged on agitating shaft 6 it is further preferred that blade 7 is tilted 5 ° -10 °, and blade 7 is on agitating shaft 6
Inclined angle is usually no more than 20 °, otherwise can weaken blade 7 to the mixing effect of material.
As further preferred embodiment, blade 7 is removably set on agitating shaft 6, and mixing component further includes lock
Tight part 8, for blade 7 to be locked at the required position on agitating shaft 6.Blade 7 moves on agitating shaft 6, adjustment blade 7 with
Gap between 1 inner wall of furnace body, to change under blade 7 drives material stirring and crushing effect and material by blade 7,
Motion state in furnace body 1, so that it is determined that residence time of the material in furnace body 1, meets the drying demand of different material.
For example, some material particles are smaller, agitating shaft 6 and blade 7 primarily serve stirring action in the drying process, can be with
Spacing between 1 inner wall of blade 7 and furnace body is tuned up, so that material there are more spaces in furnace during being driven by blade 7
Movement and rolling, exchange heat with the hot gas in 1 cavity of furnace body in body 1.On the contrary, needing if some material particles are big in stirring
Material is crushed simultaneously, to accelerate drying efficiency, reduces residence time of the material in furnace body 1, so that it may by blade 7 with
Spacing between 1 inner wall of furnace body is turned down, the crushing effect of reinforced blade 7.
As more preferably preferred embodiment, when the radius of furnace body 1 is 30-40 centimetres, by the close furnace body 1 of blade 7
Spacing between 1 inner wall of edge and furnace body of inner wall side is set as 0.5-10 cm range, such as 0.5 centimetre, 1 centimetre, 2 lis
Rice, 3 centimetres, 5 centimetres, 8 centimetres, 10 centimetres etc., so that forming reserved space between 1 inner wall of the edge of blade 7 and furnace body.
More preferably range is 4-5 centimetres, still, must actually be determined according to parameters such as the performance of material itself, dry requirements.
It is removably set on the preferred embodiment on agitating shaft 6 as blade 7, blade 7 is plate, and agitating shaft 6 is along axis
Line opens up sliding slot on direction, and blade 7 is inserted directly into sliding slot, slides at required position to blade 7, angle needed for tilting
When, directly blade 7 is locked on agitating shaft 6 with locking member 8, such as nut or pin, plug-in unit.That is, blade 7 is tiltedly mounted on
In the sliding slot of agitating shaft 6.As deformation, blade 7 can also be the plate with intermediate throughholes, and the outer wall of agitating shaft 6 has outer spiral shell
Line, blade 7 are set on agitating shaft 6, and fixed with locking member 8, such as nut, pin etc..Further, it is also possible to using the prior art
Middle others carriage or update device, move blade 7 on agitating shaft 6, and then fixed by locking member 8.
As preferred embodiment, multiple agitating shafts 6 are distributed in multiple spaced peripheries of the second shaft 5
On, at least one agitating shaft 6 is distributed on each periphery of the second shaft 5.When the rotation of the second shaft 5,5 band of the second shaft
It moves the agitating shaft 6 on multiple peripheries and blade thereon 7 is stirred and crushes to material, be located at 5 axial direction side of the second shaft
Upward material can by the periphery of the second shaft of corresponding position 5 agitating shaft 6 and blade 7 stir and crush, really
Protecting material in furnace body 1 can be stirred and be crushed by blade 7, and the effect for stirring and crushing is more evenly, improves dry materials
Effect.
Of agitating shaft 6 is set for the number of agitating shaft 6 is set on each periphery, on preferably each periphery
Number is four, and four agitating shafts 6 are located at the quartering point of the periphery, so that the material at co-located place,
It is continuously agitated and is crushed by four agitating shafts 6 on the periphery of corresponding section and the blade 7 on agitating shaft 6, between stirring
Every time it is shorter, increase material and hot gas contact area, further improve the efficiency that material is dried.Each circumference
6 numbers of agitating shaft on face can also be five, six, seven, eight etc., most preferably, several are stirred in addition to four
Axis 6 is evenly distributed at the Along ent of the periphery.
As further preferred embodiment, multiple agitating shafts 6 are distributed in multiple spaced circles of the second shaft 5
On circumferential surface, the spacing for being provided with adjacent two periphery of agitating shaft 6 is preferably 5-15 centimetres, such as 5 centimetres, 6 centimetres, 7
Centimetre, 7.5 centimetres, 8 centimetres, 10 centimetres, 12 centimetres, 15 centimetres etc..Optimal spacing is 7.5-10 centimetres.
As further preferred embodiment, the agitating shaft 6 on adjacent circumferential face is located on different vertical planes.This
When, the material in adjacent position is stirred and is crushed by agitating shaft 6, the blade 7 on different vertical planes, adjacent material
The direction being stirred is inconsistent, and the motion profile of adjacent material is also inconsistent, further such that material is in mixing in the cavity
State will not be bonded together, and improve the loosening degree of material, it is easier to be carried out heat convection with hot gas, be further increased
Heat exchange efficiency.
As more preferably preferred embodiment, agitating shaft 6 is four, and four agitating shafts 6 are separately positioned on the second shaft 5
On four peripheries, and four agitating shafts 6 are successively set on respectively in the top exterior walls in the Z-direction of the second shaft 5, Y-axis
In bottom outer wall on rear portion outer wall on front outer wall on direction, in Y direction and in Z-direction.Agitating shaft 6 uses
This arrangement mode, in 5 rotation process of the second shaft, two agitating shafts 6 in top exterior walls and bottom outer wall are to the second shaft 5
The torque of generation can be balanced mutually, and two agitating shafts 6 on adjacent front outer wall and rear portion outer wall generate the second shaft 5
Torque mutually balance so that the second shaft 5, agitating shaft 6 and blade 7 operate more stable, avoid the generation of the second shaft 5
Oscillation phenomenon improves the service life of drying oven.
As 6 several variant embodiments of agitating shaft, the number of agitating shaft 6 can also be 8,12,16
Etc. namely the quantity of agitating shaft 6 be 4n, wherein n >=1, every four agitating shafts 6 repeat above-mentioned arrangement mode and are arranged second
On the outer wall of shaft 5.
Another variant embodiment several as agitating shaft 6, the number of agitating shaft 6 can also for 5,6,7,
8 etc., multiple agitating shafts 6 are separately positioned on the different peripheries of the second shaft 5, and from the radial direction of the second shaft 5,
Multiple agitating shafts 6 are distributed on the radial circumference of the second shaft 5, are most preferably the Along ents positioned at 5 radial circumference of the second shaft
Place, such as agitating shaft 6 are six, and six agitating shafts 6 are distributed on six peripheries, and from the radial direction of the second shaft 5, six
A agitating shaft 6 is located just at six Along ents of the periphery of the second shaft 5, and material is stirred and is crushed multi-facetedly.
In above embodiment, the shape of blade 7 can be rectangular, trapezoidal, fan-shaped, the peach heart etc. other shapes, shape
Shape is not especially limited, in addition, the surface of blade 7 can be smooth plane, is also possible to the song with certain radian transition
Face or the surface of other moulding are ok.
As the variant embodiment of mixing component, mixing component can also include setting in the axial outer wall of the second shaft 5
On several connecting rods, and several fins in connecting rod, row of the fin in connecting rod are set around connecting rod outer wall
Mode for cloth can be rotated similar to the arrangement mode of fan blade in the prior art, fin around the axis direction of connecting rod,
And then to be stirred and crush to material.In addition, mixing component can also be that can be realized stirring and crushing in the prior art
Other agitating devices or grinding device of material.
As preferred embodiment, further includes to wind apparatus 4, be hot-blast stove to wind apparatus 4, the gas outlet of hot-blast stove is logical
Cross second pipe 16 and be connected to the first air inlet 13, the hot gas of hot-blast stove is delivered in the cavity of furnace body 1, make hot gas with
Material carries out direct heat convection.As deformation, can also be to wind apparatus 4 in the prior art can be by hot gas through first
Air inlet 13 is delivered to the device in the cavity of furnace body 1, for example, extraneous air is thermally formed the heat of required temperature by heater
Hot wind is directly pumped into the cavity of furnace body 1 by blower by wind later.
It further include air distribution device 15 as further preferred embodiment, the gas outlet of air distribution device 15 is connected to
Two pipelines 16 are mixed for introducing external air into second pipe 16 with the hot gas in second pipe 16.It is mainly at this time
It prevents the hot gas temperature being delivered in 1 cavity of furnace body to wind apparatus 4 excessively high, shadow is generated to furnace body 1, agitating shaft 6 and blade 7
It rings, reduces the hot gas of excessive temperature by introducing extraneous cold air in second pipe 16, form the heat of required temperature
Gas.
Preferably, air distribution device 15 may include blower, extraneous air is directly pumped into second by blower according to demand
In pipeline 16；As long as in the prior art can by extraneous air delivery to second pipe 16 device or equipment all may be used
With.Again, it is preferred to which being arranged one in air distribution device 15 is able to detect the volume content that outside air enters in second pipe 16
Detector, in time to enter second pipe 16 in gas flow test, convenient for whether needing to open air distribution device 15.
It further include dust-extraction unit 9 as more preferably preferred embodiment, dust-extraction unit 9 includes cyclone cylinder, and cyclone cylinder has
Second air inlet 91, the second gas outlet and third gas outlet 92.Wherein, the second air inlet 91 is connected to the first gas outlet 14,
Second gas outlet is in communication with the outside, and third gas outlet 92 is connected to by first pipe 10 with the cavity to wind apparatus 4, for that will remove
Gas after dirt is mixed with to the hot gas in wind apparatus 4, the hot gas of moisture content needed for being formed.
Specifically, material in furnace body 1 by drying after, will be in furnace body 1 and after material-heat-exchanging through the second air inlet 91
Gas introduces in cyclone cylinder；Under the action of blower, gas is spinned the movement of rising in cyclone cylinder, in uphill process,
The solid particle and liquid contained in gas is got rid of on the inner wall of cyclone cylinder, under the effect of gravity, solid particle
With liquid deposition in the bottom of cyclone cylinder；And get rid of solid particle, liquid a part of gas through the second gas outlet directly arrange to
Outside air, another part gas are then transported in the cavity to wind apparatus 4 through third gas outlet 92, with give 4 chamber of wind apparatus
Intracorporal hot gas is mixed, so that the portion gas after dedusting is recycled, reduces heat required for heating hot gas
Amount.
In addition, moisture content is generally in 20%-30% in gas after dedusting, and to the moisture content of hot gas in wind apparatus 4
Almost 0%, the dedusting gas that moisture content is 20%-30% is introduced in wind apparatus 4, is mixed with dry hot gas
It closes, to form moisture content as the hot gas of 6%-15%, this hot gas is introduced into the efficiency and effect in furnace body 1 with material-heat-exchanging
Fruit, than being more preferable with the efficiency and effect of material-heat-exchanging in 0% dry hot gas introducing furnace body 1 by moisture content.Because of hot gas
Contain a small amount of moisture in body, in specific heat capacity of the specific heat capacity that identical environment is lauched greater than air, dry same amount of material,
Heat required for water is smaller, to reduce the heat of dried material needs, improves drying efficiency, but aqueous in hot gas
Rate is unsuitable excessively high, and excessively high rear heat exchange efficiency can decline instead, and then, the optimum moisture content of hot gas is controlled in 6%-15%.
For charging gear 2, material-receiving device 3 in for the above embodiment.Wherein, charging gear 2 is preferably existing
Batcher in technology, such as elevator, and the hopper being mounted on feed inlet 11, the feed opening of elevator is opposite or stretches
Enter and is ok into hopper.Material-receiving device 3 be preferably screw conveyor perhaps belt conveyor and chain transfer or
One discharging bin is set directly below discharge port 12.
As the preferred of feed inlet 11, discharge port 12, the first air inlet 13 and the first gas outlet 14 opened up on furnace body 1
Embodiment feed inlet 11 is provided on the radial side wall of furnace body 1, discharge port 12 is provided with furnace as shown in Figures 2 and 3
For body 1 in the bottom outer wall in Z-direction, the first air inlet 13 is provided with the furnace body 1 at feed inlet 11 along Z-direction
On top exterior walls on, the first gas outlet 14 is provided with furnace body 11 in the top exterior walls in Z-direction, and with discharge port 12
Position is opposite.
In short, the material handling system of the present embodiment, when to dry materials, first according to the performance of material, such as containing
The parameters such as water rate, particle size, degree of drying, to adjust the spacing between 1 inner wall of blade 7 and furnace body, blade 7 is in agitating shaft 6
On spacing in the angle and the second shaft 5 that are obliquely installed between two neighboring periphery；And according to be added material amount,
The amount of the hot gas in furnace body 1 is introduced, to calculate material in furnace body 1 and stop how long necessary requirement can be reached
Degree of drying, and the optimized parameter that each material is dried can be obtained by multiple test, to prepare corresponding ginseng
Several drying ovens and the material handling system with the drying oven.
Certainly, it as deformation, also can be omitted the first air inlet 13, and only pass through puff prot air inlet.
Embodiment 2
The present embodiment provides a kind of material processing methods, include the following steps
The step of material is heated；
The step of material is stirred；
The step of material is dried；
The step of the step of the step of heating, stirring and drying is carried out simultaneously using same system, the system
For the material handling system recorded in embodiment 1.
Due to using the material handling system recorded in embodiment 1, which has described above
Any one advantage.
The material processing method is particularly suitable for the processing of sludge class material, can pass through good stirring action, mode
It is mutually bonded in the drying of material, improves the final drying effect of material.
As preferred embodiment, the bore of the puff prot is not more than 3mm, and the jet velocity at the puff prot is big
In the rotation speed of second shaft, so that air-flow is quickly sprayed at the puff prot, between adjacent agitating shaft 6
Material is stirred rapidly, and material is prevented to be bonded on rotary shaft and agitating shaft during the motion.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (9)
1. a kind of material processing method, which is characterized in that include the following steps
The step of material is heated；
The step of material is stirred；
The step of material is dried；
The step of the step of the step of heating, stirring and drying is carried out simultaneously using same system, the system comprises
Furnace body (1), horizontally disposed, feed inlet (11), the discharge port (12) for being added, taking out with cavity, for material；
Charging gear (2), for addition material in the furnace body (1)；
Material-receiving device (3), for collecting the material in the furnace body (1) after drying；
First rotating shaft is threaded through in the cavity of the furnace body (1), has installation cavity, if being provided on the inner wall of the installation cavity
Dry heating wire, the heating wire generate heat when being powered, and the first rotating shaft is made of Heat Conduction Material；
Second shaft (5), is set in the first rotating shaft, and venting cavity is formed between the first rotating shaft, the ventilation
It is provided with several puff prots on chamber, the jet direction of the puff prot and the mixing direction of agitating shaft (6) and blade (7)
Mixing direction is not overlapped not parallel, the central axes formation 30-50 degree of the jet direction of the puff prot and the feed inlet (11)
Angle, the airintake direction of the first air inlet (13) with the jet direction of the puff prot is not parallel is not overlapped；
Connecting tube, the venting cavity are connect by connecting tube with the first gas outlet (14), first gas outlet (14) with it is described
Puff prot does not open simultaneously；
Agitating shaft (6) is arranged on the outer wall of second shaft (5), and the radial direction towards second shaft (5) is prolonged
It stretches, and multiple along the distribution of the axial outer wall of second shaft (5)；
Blade (7) is inclined on the agitating shaft (6), the distance between adjacent described blade (7) is not more than to be multiple
30mm。
2. material processing method according to claim 1, it is characterised in that: multiple agitating shafts (6) of the system of use point
Cloth is distributed on each periphery of second shaft (5) on multiple spaced peripheries of second shaft (5)
There is at least one agitating shaft (6).
3. material processing method according to claim 2, it is characterised in that: stirring on the adjacent circumferential face of the system of use
Axis (6) are mixed to be located on different vertical planes.
4. material processing method according to claim 2, it is characterised in that: the agitating shaft (6) of the system of use is extremely
It is less four, four agitating shafts (6) are separately positioned on four peripheries of second shaft (5), and described in four
Agitating shaft (6) is successively set on respectively in the top exterior walls in the Z-direction of second shaft (5), the front in Y direction
In bottom outer wall on rear portion outer wall on outer wall, in Y direction and in Z-direction.
5. material processing method according to claim 2, it is characterised in that: the blade (7) of the system of use tilts
The angle being arranged on the agitating shaft (6) is greater than 0 ° and is less than or equal to 20 °；Close furnace body (1) inner wall of the blade (7)
Spacing between the edge of side and the furnace body (1) inner wall is 0.5-10 centimetres.
6. material processing method according to any one of claims 1-5, it is characterised in that: the system of use is filled to wind
Setting (4) is hot-blast stove, and the gas outlet of the hot-blast stove is connected to first air inlet (13) by second pipe (16).
7. material processing method according to claim 6, it is characterised in that: the system of use further includes air distribution device
(15), the gas outlet of the air distribution device (15) is connected to the second pipe (16), for introducing external air into described
In two pipelines (16), mixed with the hot gas in the second pipe (16).
8. material processing method according to claim 7, it is characterised in that: the bore of the puff prot is not more than 3mm, institute
State the rotation speed that the jet velocity at puff prot is greater than second shaft (5).
9. material processing method according to claim 8, it is characterised in that: the material is sludge.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575800A (en) * | 1978-12-04 | 1980-06-07 | Fuso Kensetsu Kogyo Kk | Drying method of sludge using plurality of sludge drying tank and unit therefor |
| CN102464441A (en) * | 2010-11-18 | 2012-05-23 | 江都苏能电气设备有限公司 | Drying device for drying sludge by using flue gas |
| CN204298224U (en) * | 2014-12-22 | 2015-04-29 | 桐乡市致远环保科技有限公司 | Sludge drying device |
-
2016
- 2016-01-06 CN CN201610006441.1A patent/CN105645715B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575800A (en) * | 1978-12-04 | 1980-06-07 | Fuso Kensetsu Kogyo Kk | Drying method of sludge using plurality of sludge drying tank and unit therefor |
| CN102464441A (en) * | 2010-11-18 | 2012-05-23 | 江都苏能电气设备有限公司 | Drying device for drying sludge by using flue gas |
| CN204298224U (en) * | 2014-12-22 | 2015-04-29 | 桐乡市致远环保科技有限公司 | Sludge drying device |
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Effective date of registration: 20211222 Address after: 213000 Shijiaxiang Village, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Yicheng drying Engineering Co.,Ltd. Address before: 325000 Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 529, No. 15 Road, No. 2 Road Patentee before: Wang Liangyuan |
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Denomination of invention: A Material Handling Method Effective date of registration: 20230915 Granted publication date: 20190326 Pledgee: China Construction Bank Changzhou Tianning sub branch Pledgor: Jiangsu Yicheng drying Engineering Co.,Ltd. Registration number: Y2023980056854 |
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