CN106705654A - Dividing wall rotary kiln - Google Patents
Dividing wall rotary kiln Download PDFInfo
- Publication number
- CN106705654A CN106705654A CN201611244200.7A CN201611244200A CN106705654A CN 106705654 A CN106705654 A CN 106705654A CN 201611244200 A CN201611244200 A CN 201611244200A CN 106705654 A CN106705654 A CN 106705654A
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- China
- Prior art keywords
- resistance
- ring
- partition
- carborundum
- outer barrel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
Provided is a dividing wall rotary kiln. The dividing wall rotary kiln comprises a hollow structure which is formed by a refractory inner barrel and a refractory outer barrel. The refractory inner barrel comprises a silicon carbide barrel body and a skeleton. The skeleton comprises a plurality of cooling pipes which are fixed to the inner/outer side walls of the silicon carbide barrel body in the axial direction. The two ends of each cooling pipe are correspondingly connected with a cooling medium supply device and a cooling medium lead-out device. The refractory inner barrel is kept motionless or is rotated by a fixed or unfixed angle regularly or irregularly, or the refractory inner barrel and the refractory outer barrel rotate synchronously; or the refractory inner barrel and the refractory outer barrel are formed by integrated construction of special-shaped firebricks with dividing wall holes preset along a barrel-shaped steel structure; or the refractory inner barrel only comprises the silicon carbide barrel body, and the refractory inner barrel is fixed or supported through supporting bricks in a floating mode; and a refractory center cylinder is fixed or arranged inside the refractory inner barrel in a floating mode through inner supporting bricks. The dividing wall rotary kiln has the advantages of being easy to construct, low in construction technological requirement, good in operating stability of equipment, capable of effectively isolating inner and outer rings, free of refractory disengaging, convenient to overhaul, low in equipment failure rate and the like.
Description
Technical field
The present invention relates to industrial furnace technical field, specifically a kind of firm and durable, long service life partition
Rotary kiln.
Background technology
Industrial Stoves are the heats converted using fuel combustion or electric energy, by material or workpiece heat in the industrial production
Thermal Equipment.Rotary kiln be in industrial furnace using a kind of wide Novel furnace, with being heated evenly, the thermal efficiency is high,
Can continuously produce, the advantages of product burning quality is good, be widely used in the industry such as metallurgy, chemical industry, building refractory material, environmental protection.
Rotary kiln is made up of cylinder, support meanss, transmission device, kiln hood, kiln tail and sealing device, and cylinder has a constant inclination
Rake angle carries out gyration, material not only along the circumferential direction rolling but also vertically in the hollow kiln thorax of cylinder(From high-end to low side)
Mobile, the flue gas that fuel combustion is produced is from kiln thorax through calcining or reducing material.During rotary kiln heated material, it is processed
Material and burning same kiln thorax operation, the harmful substance in fuel be attached to be calcined or reducing material on, while burn produce
Raw dust falls on material, and the quality of original product is calcined or gone back in influence;In addition, the flue gas after burning is produced with decomposition of limestone
Carbon dioxide mix together, be unfavorable for the recovery and utilization of limestone calcination byproduct carbon dioxide, therefore can not be direct
For carrying out the production of coking, coal gasification or semi-coke.
The Chinese invention patent application of the A of Publication No. CN 104792154 disclose " a kind of dividing wall type rotary kiln device,
Including rotary kiln, fume afterheat generating equipment, gas recycling equipment, cooler, combustion fan, feeding system and waste gas row
Place system.The masonry of resistance to material of kiln body is the hollow-core construction being made up of the inner cylinder of resistance to material and the outer barrel of resistance to material.The center of the inner cylinder of resistance to material is kiln
It is material channel between thorax, the inner cylinder of resistance to material and the outer barrel of resistance to material, material channel is provided with resistance to material support or the refractory masonry containing passage.
Charging (feeding) equipment is provided with decomposed gas outlet, and decomposed gas outlet is connected to gas and reclaims by raw material preheating storehouse or partition preheater
Processing equipment, kiln thorax is connected to fume afterheat generating equipment by kiln hood." patent application is by by kiln wall and being co-axially mounted
The inner cylinder of resistance to material and the outer barrel of resistance to material constitute kiln body, it is to avoid flue gas and material directly contact, improve be heated or calcination product
Quality, be conducive to recycle decomposition gas, increase by-product income and enterprise economic benefit.
Above-mentioned patent application is still present certain difficulty in practical operation:The kiln body for building partition form by laying bricks or stones has very big block
Difficulty is built, brick is burnt paper as sacrificial offerings after being molded and differed greatly, higher to construction process requirement when building by laying bricks or stones, often has the situation of clip;
And brickwork joint is larger, it is impossible to reliable sealing, easy brick obscission, once falling brick situation when equipment works, will influence whole
The stable operation of individual equipment, risk is larger;And to resistance to material requirement it is very high, it is necessary to mould it is also very complicated, construction cost is very big
Increase.
The content of the invention
The technical problem to be solved in the invention is to provide that a kind of construction cost is low, non-damageable, long service life
Partition rotary kiln.
In order to solve the above technical problems, the technical solution adopted in the present invention is:
A kind of partition rotary kiln, including the outer barrel of resistance to material and the inner cylinder of resistance to material, the outer barrel of resistance to material include tubular steel structure and build by laying bricks or stones in tubular
Flame retardant coating in steel construction, the outer barrel of resistance to material and the inner cylinder of resistance to material composition hollow-core construction, tubular steel structure lower section sets and promotes outside resistance to material
Cylinder does the drive device of circumference rotation;
The inner cylinder of resistance to material includes carborundum cylinder and skeleton, and carborundum cylinder is tubular that is overall or being assembled by multigroup carborundum plate
Structure;Skeleton includes some cooling tubes being axially fixed on the wall of carborundum cylinder inside/outside side;The cooling tube correspondence partition is returned
Kiln hood one end of rotary kiln is stretched out outside the outer barrel of resistance to material and connects cooling medium feedway, the kiln tail of cooling tube correspondence partition rotary kiln
One end is stretched out outside the outer barrel of resistance to material and connects cooling medium ejector.
Further improvement of the present invention is:The skeleton coats one layer of thermostable heat-isolating coating;In the resistance to material
Cylinder remain stationary as, or timing or not timing one fixation of rotation or unfixed angle;Or outside the inner cylinder of resistance to material and resistance to material
Cylinder synchronous axial system.
Further improvement of the present invention is:The skeleton also includes that painting high temperature resistant heat insulation connected with cooling tube, outer is protected
The radial direction cooling ring of warm coating;The cooling tube, cooling ring are pipe or square tube;The cooling tube, the coating of cooling ring it is outer
Wrap up high temperature resistant composite square-tube in side.
Further improvement of the present invention is:If axially spaced setting dry milling between the inner cylinder of resistance to material and the outer barrel of resistance to material
Dynamic/sliding support;The roll/slide support includes anchor ear and rolling member/sliding block, and anchor ear is wrapped up in and is connected on skeleton outside, some
Rolling member/sliding block correspondence anchor ear is fixed on the outer barrel of resistance to material;The rolling member be by bearing be connected to it is on the outer barrel of resistance to material and
Roller or bearing that anchor ear is in rolling contact, the anchor ear, bearing set cooling structure, the roller or bearing correspondence partition revolution
The side of kiln charging sets baffle plate;The sliding block is the silicon carbide brick or High-Alumina fire resisting being integrally fixedly connected with the outer barrel of resistance to material
Brick.
Further improvement of the present invention is:If axially spaced between the inner cylinder of resistance to material and the outer barrel of resistance to material set solid
Fixed support;The fixed support includes anchor ear, connection support, and anchor ear parcel is connected to skeleton outside, and connection support is connected to embraces
Between hoop and the outer barrel of resistance to material;The connection support is the steel bracket with cooling structure.
Further improvement of the present invention is:The axially cooling tube of the outer barrel of resistance to material that stretches out supplies dress with cooling medium
Put, cooling medium ejector is movable sealing connection, ring is justified in the same end welding one that each cooling tube stretches out the outer barrel of resistance to material
Shape rotor, the cooling bath that a circle is connected with each axial cooling tube, the outside suit and rotor of rotor are opened up along the lateral wall of rotor
The stator of matching, opened up on stator distal end connected with cooling medium feedway or cooling medium ejector, near-end and cooling
The passage of groove connection, if adding arterial highway sealing ring between stator and rotor.
Further improvement of the present invention is:Be spaced on the cooling tube, the lateral wall of cooling ring some nuts of welding or
The projection of default screw thread, correspondence opens up counter sink on carborundum plate, and carborundum plate is connected with cooling tube, cooling by dormant bolt
Ring, filling fire resisting material between the head end and carborundum plate of dormant bolt;Or on the lateral wall of the cooling tube, cooling ring between
Every some contiguous blocks are welded, the pre-buried anchor studs of correspondence on carborundum plate connect cooling by the way that contiguous block is welded in anchor studs
Pipe, cooling ring and carborundum plate.
Further improvement of the present invention is:It is described assembling carborundum cylinder single carborundum plate be straight panel or arc,
Skeleton is only joined directly together with the inside/outside side wall of single carborundum plate, skeleton and the not direct phase of the joint of adjacent carborundum plate
Even, adjacent carborundum plate joint passes through the fluctuating labyrinth shape interface clamping worked in coordination;
Or the single carborundum plate of the assembling carborundum plate cylinder is straight panel or arc, the lateral wall and edge of carborundum plate
It is fixedly connected with skeleton, skeleton correspondence sealing block of the carborundum plate welding with labyrinth seal and screwed hole, on carborundum plate
Correspondence opens up labyrinth seal interface and counter sink.
Further improvement of the present invention is:The internal diameter of carborundum cylinder is 1.5~2.5 meters, carborundum cylinder and resistance to material
The distance between madial wall of outer barrel is 0.2~0.6 meter, upper uniform 6~24 cooling tubes of carborundum cylinder, and the thickness of cooling tube is
10~30 millimeters;In the carborundum cylinder roasting, the temperature of combustion product gases is 1350~1500 DEG C, the cooling medium to fuel
Temperature be 80~200 DEG C, the temperature of the hollow-core construction between the outer barrel of resistance to material and the inner cylinder of resistance to material is 1000~1200 DEG C.
Further improvement of the present invention is:The cooling medium is half vapor of water, conduction oil or gasification cooling,
Its reclaimed water, half vapor of gasification cooling enter electricity generation system after flowing through partition rotary kiln.
A kind of partition rotary kiln, including the outer barrel of resistance to material and the inner cylinder of resistance to material, the outer barrel of resistance to material include tubular steel structure and build by laying bricks or stones
Flame retardant coating in tubular steel structure, the outer barrel of resistance to material and the inner cylinder of resistance to material composition hollow-core construction, the lower section of tubular steel structure sets and promotes
The outer barrel of resistance to material does the drive device of circumference rotation;The inner cylinder of resistance to material includes the carbon of one or more snippets cylinder clamping or grafting
SiClx cylinder, the madial wall interval setting multi-turn supporting brick of the outer barrel of resistance to material, supporting brick and carborundum cylinder is fitted close, carborundum cylinder with
Supporting brick and the outer barrel of resistance to material synchronous axial system;Or supporting brick coordinates with carborundum cylinder gap, it is little that carborundum cylinder does peripheral speed
In the rotation of the outer barrel of resistance to material peripheral speed.
Further improvement of the present invention is:The central tube of resistance to material is also set up in the inner cylinder of resistance to material, the central tube of resistance to material includes
One or more snippets cylinder clamping or the carborundum central tube of grafting, interval setting is more between the inner cylinder of resistance to material and the central tube of resistance to material
Circle inner support brick, one end of inner support brick is fixedly connected with the inner cylinder of resistance to material/central tube of resistance to material, the other end of inner support brick and resistance to material
Central tube/the inner cylinder of resistance to material tight fit, the central tube of resistance to material and the inner cylinder of resistance to material synchronous axial system;Or one end of inner support brick and resistance to material
Inner cylinder/central tube of resistance to material is fixedly connected, and the other end and the central tube of the resistance to material/inner cylinder of the resistance to material gap of inner support brick coordinate, in resistance to material
Heart cylinder does the rotation that peripheral speed is not more than the inner cylinder of resistance to material peripheral speed.
Further improvement of the present invention is:Integrally connected is poured into a mould or built by laying bricks or stones in one end of the supporting brick with the outer barrel of resistance to material,
The other end of supporting brick is inlaid in the carborundum pre- draw-in groove for opening up of cylinder lateral wall, is filled out between supporting brick and draw-in groove and is covered fire resisting fibre
Dimension;One end of the inner support brick is fixedly connected by integral production with carborundum cylinder or carborundum central tube;Inner support brick
The other end is inlaid in the pre- draw-in groove for opening up of carborundum medial wall of the tube or carborundum central tube lateral wall, inner support brick and draw-in groove it
Between fill out and cover refractory fibre;The supporting brick and inner support brick are high-alumina refractory brick or silicon carbide brick;The inner cylinder of resistance to material
Internal diameter is 1.5~2.5 meters, and the internal diameter of the central tube of resistance to material is 0.5~1 meter, and the distance between the inner cylinder of resistance to material and the outer barrel of resistance to material are 0.2
~0.6 meter.
A kind of partition rotary kiln, including tubular steel structure, cinclides between being built by laying bricks or stones by presetting along the madial wall of tubular steel structure
It is along the axially extending axle of partition rotary kiln that cinclides communicates with each other between the composite bed of quarl composition, quarl
To partition passage, the axle interface channel for forward connecting adjacent axial partition passage is set in composite bed;Or quarl
Between cinclides communicate with each other ring partition passage of the composition along the closing of partition rotary kiln ring, set in composite bed and forward connect phase
The ring interface channel of adjacent ring partition passage.
Further improvement of the present invention is:Two circumferentially adjacent axle interface channels are spaced 15 °~180 ° and set
Put;Axially adjacent circumferentially spaced 15 °~180 ° settings of two ring interface channels.
Further improvement of the present invention is:The axle interface channel is forward obliquely installed, axle interface channel and axial direction
Between angle be 1 °~15 °, axle interface channel and it is tangential between angle be 1 °~15 °;The ring interface channel is forward inclined
Set, the angle between ring interface channel and axial direction is 1 °~15 °, ring interface channel and it is tangential between angle be 1 °~15 °.
Further improvement of the present invention is:The partition for axially extending that the quarl for one is opened vertically
The axial partition passage of hole composition, each road quarl circumferentially opens up axial partition passage, at axle interface channel two
Individual corresponding quarl opens up the axle connecting hole for circumferentially docking, and two axle connecting holes connect to form axle interface channel:Two
The individual quarl integral production for setting axle connecting hole is formed.
Further improvement of the present invention is:The partition for axially extending that the quarl for one is opened vertically
The axial partition passage of hole composition, each road quarl interval circumferentially opens up axial partition passage, and axle interface channel is by axle
Two quarls and the quarl that is connected between the partition passage of twice axial direction to partition passage corresponding position are pre-
If connecting hole is constituted, quarl of two correspondences on axial partition passage opens up the axle connecting hole for circumferentially docking, even
The quarl for connecing twice axial direction partition passage opens up the axle intercommunicating pore being docked and connected with axle connecting hole, axle intercommunicating pore and two ends
Axle connecting hole connect to form axle interface channel;The quarl being connected between the partition passage of twice axial direction and forward side
Quarl integral production form.
Further improvement of the present invention is:It is circumferentially the partition for circumferentially extending opened of quarl of a circle
Hole constitutes ring partition passage, and each circle quarl vertically opens up ring partition passage, at ring interface channel two
Individual adjacent quarl opens up the ring connecting hole for docking vertically, and two ring connecting holes connect to form ring interface channel;Two
The individual quarl integral production for setting ring connecting hole is formed.
Further improvement of the present invention is:It is circumferentially the partition for circumferentially extending opened of quarl of a circle
Hole constitutes ring partition passage, and each circle quarl interval vertically opens up ring partition passage, and ring interface channel is by ring
To two quarls at partition passage and it is connected to two rings and connects to the quarl between partition passage is default
Hole composition is connect, quarl of two correspondences on ring partition passage opens up the ring connecting hole for docking vertically, be connected to
Two rings open up the ring intercommunicating pore being docked and connected with ring connecting hole, ring intercommunicating pore and two to the quarl between partition passage
The ring connecting hole at end connects to form ring interface channel;Two rings are connected to the quarl between partition passage and forward
The quarl integral production of side is formed;The partition rotary kiln is set at least axially dredges passage together, positioned at same axle
Cinclides forms axially dredging passage between quarl on line opens up axially connection.
Further improvement of the present invention is:Material be reduced iron, lime, coal or the need for rubbish high-quality calcining or
The material of reduction, fuel is the combustible of coal dust, combustion gas or fuel oil;High temperature in the partition rotary kiln after heated material
Flue gas introduces waste heat power generation equipment by pipeline;Pressure in material channel is more than the pressure in fuel channel.
The present invention is after adopting the above technical scheme, the effect with following technological progress:
The present invention is passed through fuel in the partition rotary kiln inner cylinder of resistance to material, fortune in the partition passage between the inner cylinder of resistance to material and the outer barrel of resistance to material
Defeated material, or the inner cylinder of resistance to material transported material, fuel is passed through in partition passage, has been achieved in that material is isolated with flame, and lead to
The design of carborundum plate is crossed, isolation effect is further increased, the impurity in flame is mixed with material, so as to improve thing
The calcining of material or reduction quality.Flue-gas temperature after burning is about 800 DEG C~1000 DEG C, and this partial fume is introduced into waste heat
Electricity generation system, can be consumed with energy saving, reduce thermal technology's production cost, while reducing the discharge of pollutant.Wherein material
Can be that reduced iron, lime, coal, rubbish etc. need high-quality calcining or the product for reducing, fuel can be coal dust, combustion gas, combustion
The various combustibles such as oil.
The present invention serves the effect of structural support and hanging inner cylinder using the skeleton of special shape, with cooling tube as skeleton
Fixed carborundum cylinder, it is ensured that the structural strength of the inner cylinder of resistance to material;In the outer applying coating of skeleton, can make the heat of the inner cylinder of resistance to material has
Effect it is diathermanous out, and wrap up square tube strengthen protection, meet material in partition passage calcining or reduction require;In cooling tube
Water be connected with steam superheater, as the preliminary preheating of steam needed for generating set, so as to greatly ensure that the comprehensive of the energy
Close and utilize.
When being small-sized partition rotary kiln(Length be maintained at 20 meters within when), the outer barrel of resistance to material can be taken to rotate, in resistance to material
Cylinder is motionless or the method for operation that periodically or non-periodically rotates;When being medium-sized partition rotary kiln(When length is 20~40 meters), can be with
Take the outer barrel of resistance to material rotate, the inner cylinder of resistance to material remain stationary as or periodically or non-periodically rotate, and the inner cylinder of resistance to material and the outer barrel of resistance to material it
Between set rolling support the method for operation;When being large-scale partition rotary kiln(When length is more than 40 meters), the outer barrel of resistance to material can be taken
With the method for operation that the inner cylinder of resistance to material increases fixed support and synchronous axial system.
The partition rotary kiln and Crossed Circle partition that the present invention also designs the independent carborundum cylinder of fixed or float support are returned
Rotary kiln, can be heated to middle material simultaneously with both sides, improve the speed that material is calcined or reduces, or can be from
The middle material simultaneously to both sides is heated, and improves heat utilization efficiency, has the advantages that energy-conserving and environment-protective.
To sum up, the present invention has simple, the stable equipment operation relatively low to construction process requirement of resistance to material construction good, effective
Isolation inner and outer ring, do not have that resistance to material dropping situations, maintenance be convenient, the low advantage of equipment failure rate substantially.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the B-B direction view of Fig. 1, Fig. 3 and Fig. 5;
Fig. 3 is the structural representation of another embodiment of the invention;
Fig. 4 is the A-A direction views of Fig. 3;
Fig. 5 is the structural representation of another embodiment of the invention;
Fig. 6 is the C-C direction views of Fig. 5;
Fig. 7 is the structural representation of another embodiment of the invention;
Fig. 8 is the D-D direction views of Fig. 7;
Fig. 9 is the E-E direction views of Fig. 7;
Figure 10 is the F partial enlarged drawings of Fig. 8;
Figure 11 is the structural representation of another embodiment of the invention;
Figure 12 is the K-K direction views of Figure 11;
Figure 13 is the structural representation of another embodiment of the invention;
Figure 14 is the L-L direction views of Figure 13;
Figure 15 is a kind of structural representation of embodiment of the invention;
Figure 16 is the G-G direction views of Figure 15;
Figure 17 is the structural representation of another embodiment of the invention;
Figure 18 is the H-H direction views of Figure 17;
Figure 19 is the J-J direction views of Figure 17;
Figure 20 is a kind of structural representation of embodiment of the invention;
Figure 21 is the M-M direction views of Figure 20;
Figure 22 is the structural representation of another embodiment of the invention;
Figure 23 is the N-N direction views of Figure 22.
Each label is expressed as in figure:1st, the outer barrel of resistance to material, 11, tubular steel structure, 12, flame retardant coating, 2, the inner cylinder of resistance to material, 21, carbon
SiClx cylinder, 3, quarl, 31, a cinclides, 32, ring connecting hole, 33, ring intercommunicating pore, 34, axle connecting hole, 35, axle connection
Hole, 4, skeleton, 41, cooling tube, 42, cooling ring, 43, dormant bolt, 44, sealing block, 5, rolling support, 51, anchor ear, 52, rolling
Wheel, 53, bearing, 6, fixed support, 61, connection support, 7, rotor, 71, cooling bath, 8, stator, 9, drive device, 10, cooling
Medium, 101, the central tube of resistance to material, 102, supporting brick, 103, inner support brick, 104, draw-in groove.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further details to the present invention:
Embodiment 1(Outward move it is default, without support)
A kind of partition rotary kiln, as depicted in figs. 1 and 2, including kiln body, support meanss, transmission device, kiln hood, kiln tail and sealing
Device.The masonry of resistance to material of kiln body includes the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1, and the concentric locking collar of the inner cylinder of resistance to material 2 dress is arranged on the outer barrel of resistance to material 1
Interior, the inner cylinder of resistance to material 2 forms hollow-core construction with the outer barrel of resistance to material 1.The center of the inner cylinder of resistance to material 2 of kiln body is kiln thorax(That is fuel combustion is led to
Road), it is material channel, or both displacement between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1, the center of the inner cylinder of resistance to material 2 is logical for material
Road, is kiln thorax between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1.
The length of the partition rotary kiln is smaller, about 6 meters.The outer barrel of resistance to material 1 includes tubular steel structure 11, along tubular steel knot
The madial wall of structure 11 pours into a mould flame retardant coating 12 by castable, and the bottom of partition rotary kiln sets and promotes the rotation of the circumference of the outer barrel of resistance to material 1
Drive device 9.The inner cylinder of resistance to material 2 includes carborundum cylinder 21, and the lateral wall or madial wall of carborundum cylinder 21 set cooling skeleton
4.Fixed carborundum cylinder 21 is supported by skeleton 4, and is set at the two ends of the inner cylinder of resistance to material 2 and is extended outside the outer barrel of resistance to material 1, support rib
The fixing device of frame 4.When partition rotary kiln works, the outer barrel of resistance to material 1 does circular-rotation, and the inner cylinder of resistance to material 2 is remained stationary as, and often works 24
Hour, the operation instantaneous pin of the inner cylinder of resistance to material 2 is rotated by 90 °.
The skeleton 4 includes some cooling tubes 41 for axially extending, and the lateral wall of cooling tube 41 coats one layer of resistance to height
Warm coating, coating heatproof may be up to 1700 DEG C.Preferably, the high temperature resistant clad steel of one-layer square is also wrapped up outside the coating of cooling tube 41
Pipe.The two ends of cooling tube 41 are stretched out outside the outer barrel of resistance to material 1, be connected respectively cooling medium feedway and cooling medium is drawn
Device.Wherein, the correspondence of cooling tube 41 stretches out one end connection cooling medium feedway of kiln hood, and the correspondence of cooling tube 41 stretches out kiln tail
One end connection cooling medium ejector.Cooling tube 41 is connected to cooling medium feedway or cooling by an intermediate structure
Medium ejector, the intermediate structure is suit hollow ring set on the securing means, the side of hollow ring set and each cooling
Pipe is connected, and the opposite side of hollow ring set sets the connection connected with cooling medium feedway or cooling medium ejector and leads to
Road.To prevent cooling overpressure too high, especially in the exit of cooling medium, cooling tube should select to fit with hollow ring set
When connection angle, preferably both angles are more than 120 °, and the space of enough release pressure is set in hollow ring set, afterwards
Cooling medium is drawn again.The cooling medium is half vapor of water or gasification cooling, and cooling medium is laggard through partition rotary kiln
Enter electricity generation system.
The carborundum cylinder 21 is the tubular structure assembled by multigroup carborundum plate;The carborundum plate of assembling carborundum cylinder 21
To axially extend the straight panel or arc of multistage interconnection.The present embodiment cooling tube 41 is just connected to the outside of carborundum plate
On wall, two pieces of lap positions of adjacent carborundum plate are not directly connected to cooling tube 41, as depicted in figs. 1 and 2, the carbon of monolithic
SiClx plate is lifted by cooling tube 41, and adjacent carborundum plate passes through the fluctuating labyrinth shape interface clamping worked in coordination, finally
Multigroup carborundum plate surrounds tubular structure.Wherein carborundum cylinder 21 lateral wall be with the connected mode of cooling tube 41:Cooling tube
The projection for welding some nuts or default screw thread is spaced on 41 lateral wall, correspondence opens up counter sink on carborundum plate, by heavy
Hook bolt 43 connects carborundum plate and cooling tube 41, filling fire resisting material between the head end and carborundum plate of dormant bolt 43.
In the present embodiment, the internal diameter of carborundum cylinder 21 is 1.6 meters, the madial wall of carborundum cylinder 21 and the outer barrel of resistance to material 1
The distance between be 0.46 meter, uniform 6 cooling tubes on carborundum cylinder 21, the thickness of cooling tube 41 is 18 millimeters.Fuel is in institute
Burning in carborundum cylinder 21 is stated, the temperature of combustion product gases is 1500 DEG C or so, and the temperature of cooling medium is in the cooling tube 41
180 DEG C or so, the temperature of the hollow-core construction between the outer barrel of resistance to material 1 and the inner cylinder of resistance to material 2 is 1200 DEG C or so.
A kind of running of the present embodiment is:Material after preheated is entered outside carborundum cylinder 21 and resistance to material by charge door
Between cylinder 1, accordingly, Pulverized Coal is passed through in carborundum cylinder 21 by combustion air, and the burner of fuel is rotary feeding structure.Revolution
When firer makees, the inner cylinder of resistance to material that carborundum cylinder 21 is constituted with skeleton 4 is remained stationary as, and the outer barrel of resistance to material 1 does revolution rotation, and material is resistance to
In the passage that material inner cylinder 2 is formed with the outer barrel of resistance to material 1, both circumferentially rolled, be also axially moveable;Fuel is in carborundum cylinder internal combustion
Burn, the high-temperature flue gas for producing that burn spread to the outlet of connection afterheat generating system one end, and high-temperature flue gas are across carborundum plate pair
Material heating in constantly motion;The cooling medium in cooling tube 41 carries out cold to the connector for connecting carborundum plate simultaneously
But, and ensure the structural strength of carborundum cylinder 21, due to applying coating and wrap up high temperature resistant composite steel tube, cooling medium and without
Walk too many heat.Due to the isolation that material and flue gas pass through the inner cylinder of resistance to material, material calcining or reduction Quality advance, and after burning
Steam in flue gas, cooling medium each may participate in afterheat generating system recycling.Furthermore it is also possible to exchange material and fuel
Coal addition position, same combustion efficiency can be reached.
Embodiment 2(Outer dynamic interior dynamic, roll/slide support)
The present embodiment is with the difference of embodiment 1:As shown in Figure 3 and Figure 4, the outer barrel of resistance to material 2 by refractory brick along tubular steel
Structure is built by laying bricks or stones and is formed.The axial length of the partition rotary kiln is more long, about 35 meters, vertically outside the inner cylinder of resistance to material 2 with resistance to material
Some spaced rolling supports 5 or sliding support are set up between cylinder 1.
The rolling support 5 includes anchor ear 51, roller, and the parcel of anchor ear 51 is connected to skeleton outside, the lateral wall of anchor ear 51
A circle chute is circumferentially opened up, correspondence chute welds some rollers with bearing 53 on the madial wall of the outer barrel of resistance to material 1.The anchor ear
51 and roller 52 or bearing be respectively provided with cooling structure, anchor ear 51 and bearing 53 are for example set to hollow-core construction, be vertically
Water cooled pipeline is worn between anchor ear 51, bearing 53 together.To prevent material pair roller 52 from causing abrasion, the correspondence of the roller 52
The side of partition rotary kiln charging sets baffle plate.In the present embodiment, roller 52 can also be substituted by high-temperature bearing, high-temperature bearing
Installed by bearing 53, and mutually isostructural water cooled pipeline is set to bearing.
The structure that another kind sets sliding support is roller 52 and bearing to be substituted by single sliding block, such as high temperature resistant carbon
SiClx brick, one end and the outer barrel of resistance to material 1 of silicon carbide brick integrally build fixation by laying bricks or stones, and the other end of silicon carbide brick sets and matched with anchor ear 51
Shape, when the outer barrel of resistance to material is rotated in the presence of drive device 9, silicon carbide brick and the inner cylinder of resistance to material 2 slightly have the generation phase in gap
To sliding, the outer barrel of the resistance to material drive inner cylinder of resistance to material 2 carries out gyration to be not more than the outer barrel of resistance to material velocity of rotation.Silicon carbide brick is opened can
Substituted by high-alumina refractory brick.
For make the inner cylinder of resistance to material 2 also can gyration, the cooling tube 41 for stretching out the outer barrel of resistance to material and cooling medium supply dress
Put, cooling medium ejector is movable sealing connection.The outer end of the inner cylinder of resistance to material 2 connects an annular sleeve fixture mechanism with one heart,
A ring-shaped rotor 7 is welded at the same end that each cooling tube 41 stretches out the outer barrel of resistance to material, and ring-shaped rotor 7 is set with the securing means, and edge turns
The lateral wall of son 7 opens up a circle cooling bath 71, and cooling bath is connected with each cooling tube.The stator of the lateral wall suit matching of rotor 7
8, a passage is opened up on stator 8, the distal end of passage connects with cooling medium feedway or cooling medium ejector, passage
Near-end is connected with cooling bath, and if adding arterial highway sealing ring between stator and rotor.Drive mechanism is individually set to rotor 7,
Drive mechanism is synchronous with the drive device of the outer barrel of resistance to material or asynchronous rotation, then while the outer barrel of resistance to material is rotated, the inner cylinder of resistance to material
Can be with frequency or non-with frequency rotation.
The method of operation of the present embodiment is:Material adds the partition between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1 to lead to through charging aperture
Road, accordingly, gaseous fuel is passed through center kiln thorax through combustion air, and the outer barrel of resistance to material 1 does gyration under the promotion of drive device,
The inner cylinder of resistance to material 2 also does gyration with the rotor of itself peripheral hardware under drive mechanism simultaneously.The high-temperature flue gas of fuel combustion pass through
Carborundum plate transfers heat to material, and cooling medium is cooled down to connector in cooling tube 41, after calcining or reducing material
Flue gas, the steam in cooling medium both participate in afterheat generating system recycling.In addition, also interchangeable material and fuel
Coal addition position, up to same combustion efficiency.
Embodiment 3(Inside and outside synchronous, fixed support)
The present embodiment is with the difference of embodiment 2:As shown in Figure 5 and Figure 6, the axial length of the partition rotary kiln is longer,
About 60 meters;The outer barrel of resistance to material 1 includes tubular steel structure 11 and flame retardant coating 12, and flame retardant coating is by composite fireproof brick and castable edge
The mixing of tubular steel structure 11 builds by laying bricks or stones to be formed;Rolling support 5 between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1 is changed to fixed support 6;
And the connection cooling medium of cooling tube 41 feedway, the movable sealing junction of cooling medium ejector, provide to rotor 7
The drive mechanism synchronous with drive device, or single drive mechanism is not provided with, only acted on by the transmission of fixed support 6,
Enable the inner cylinder of resistance to material 2 with the synchronous revolving of the outer barrel of resistance to material 1.
A kind of structure type of fixed support, including anchor ear 51 and connection support 61, the parcel of anchor ear 51 are connected to outside skeleton
Side, connection support 61 is connected between anchor ear 51 and the outer barrel of resistance to material 1.It is steel bracket, steel that support 61 is connected in the present embodiment
One end of support is welded with the tubular steel structure of the outer barrel of resistance to material 1, and is built by laying bricks or stones or be cast in flame retardant coating, the other end of steel bracket
It is welded and fixed with anchor ear 51.It is similar to Example 2, axially install water cooled pipeline and anchor ear and connection support are cooled down.
The present embodiment also can form fixed support using High-Alumina brick similar to Example 2 or silicon carbide brick structure, make
High-Alumina brick or silicon carbide brick form close-fitting connection with anchor ear, it is ensured that can synchronously pass to the rotation of the outer barrel of resistance to material resistance to
Material inner cylinder.
The method of operation of the present embodiment is similar to Example 2, and difference is:Promotion of the outer barrel of resistance to material 1 in drive device
Under do gyration, while by fixed support 6, carborundum cylinder 21 is with the gyration of the outer barrel of resistance to material 1, the cooling tube of the inner cylinder of resistance to material
41 rotate with rotor in stator.
Embodiment 4(Skeleton is netted, inside and outside servo-actuated)
The present embodiment is with the difference of above-mentioned three kinds of embodiments:The structure and carborundum plate of the skeleton 4 and skeleton 4
Connected mode is different.As shown in Fig. 7~Figure 10, the skeleton 4 also includes the radial direction cooling ring 42 connected with axial cooling tube 41,
It is coated with high-temperature heat-resistance heat insulation coating outside cooling ring 42 and cooling tube 41, and in coating outer wrapping high temperature resistant composite square-tube, thus
Cooling ring 42 and net tubular structure of the composition with some approximate grids of cooling tube 41, and cooling ring 42 is set with cooling tube 41
Communicating position, makes cooling medium therein have fixed flow direction.Carborundum plate, one block of carbon are fixed in the inside of net tubular structure
Corresponding one or more grid of SiClx plate, and the joint of carborundum plate is arranged on cooling tube and cooling ring, then constitute
Cooling ring or the cooling tube correspondence of grid are connected to lateral wall or the edge of carborundum plate.Two pieces of docking as shown in Figure 10
Carborundum plate and skeleton connected mode, connected carborundum plate is abutted each other, on the lateral wall of skeleton correspondence carborundum plate
Connection sealing block 44, sealing block 44 is made by metal or refractory material, and sealing block 44 opens up labyrinth seal groove, adjacent carborundum
Plate correspondence sealing block 44 opens up the labyrinth seal structure matched with labyrinth seal groove after docking, sealing block 44 and two blocks of carbon for docking
The inserting connection of SiClx plate;And 1~2 group of screwed hole for matching each other, countersunk head spiral shell are opened up on sealing block 44 and carborundum plate simultaneously
Bolt 43 fixes carborundum plate and sealing block 44 through screwed hole, afterwards the seam between dormant bolt 43 and adjacent carborundum plate
Filling fire resisting material in gap, such as refractory ceramic fibre turn round rope CTR-160.For skeleton and independent one piece of carborundum plate lateral wall
Connected mode, can select identical connected mode, difference be only opened up on the lateral wall of monolithic carborundum plate with
The corresponding labyrinth seal structure of labyrinth seal groove of sealing block 44.The mode of embodiment 1~3 can also be selected to process monolithic be carbonized
The connection of silicon plate and skeleton.
Embodiment 5
The present embodiment is with the difference of above-described embodiment 1~4:The carborundum cylinder 21 is integrated the integrated tubular knot of processing
A kind of structure, the mode in the optional above-described embodiment of skeleton 4 is fixed on the lateral wall of carborundum cylinder 21.
Embodiment 6
The present embodiment is with the difference of above-described embodiment 1~5:Selection uses the technical scheme of above-described embodiment, described resistance to
One or fixed is also set with material inner cylinder 2 or is periodically rotated or the central tube of resistance to material with the synchronous axial system of the outer barrel of resistance to material 1, in resistance to material
Heart cylinder constitutes Crossed Circle partition rotary kiln with the inner cylinder of resistance to material 2, the outer barrel of resistance to material 1.Between between the inner cylinder of resistance to material 2 and the central tube of resistance to material
Gap is passed through fuel combustion, and material is added in the central tube of resistance to material and between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1, so burns
Flue gas is heated to the material of outer shroud by the inner cylinder of resistance to material 2, heated to the material of inner ring by the central tube of resistance to material, is greatly improved
The thermal efficiency of combustion product gases.Or the gap between the inner cylinder of resistance to material and the central tube of resistance to material adds material, in the central tube of resistance to material,
And fuel combustion is passed through between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1, Double-side Heating is carried out to material, there is provided speed of production.
Embodiment 7
A kind of partition rotary kiln, including kiln body, support meanss, transmission device, kiln hood, kiln tail and sealing device.Such as Figure 11 and Tu
Shown in 12, the composition composite bed of quarl 3 is built by laying bricks or stones in the madial wall of tubular steel structure 11, be vertically special-shaped fire resisting together
Brick 3, cinclides 31 between in quarl 3 along with opening up the through-hole form for axially extending, along between cinclides
31 communicate with each other to form axial partition passage.Circumferentially multiple tracks quarl 3, the quarl 3 of neighboring track is opened
If axial partition passage, then composite bed forms multiple tracks axial partition passage adjacent to each other.
To prevent material from blocking in axial partition passage, adjacent axial partition passage sets the axle for strengthening contact
Interface channel.Axle interface channel forward connects adjacent axial partition passage, i.e., not all of axle by certain direction of rotation
Arbitrarily it is connected to partition passage, the setting of axle interface channel can be such that material is moved according to the direction for determining.Circumferentially adjacent two
Individual axle interface channel is set at 90 ° intervals, then axle interface channel makes adjacent axial partition Tandem for axial direction and is threadingly advanced
Form, and can as needed along composite bed set multiple tracks spiral.
As described above, the circumferentially adjacent quarl 3 of axial partition passage is set, then axle interface channel is by setting position
Two adjacent apertured of quarl 3 at the place of putting are formed, and two adjacent quarls 3 open up the axial partition of composition first
Cinclides 31 between passage, while also circumferentially open up the axle connecting hole 34 for abutting each other connection, two axle connecting holes 34 respectively with
Between cinclides 31 connect, and fastening can be docked form axle interface channel.Preferably, the quarl by two docking is integrally machined
Make.
Kiln tail direction can smoothly be flowed to by axle interface channel for ease of material, axle interface channel is forward obliquely installed,
Angle between axle interface channel and axial direction is 9 °, axle interface channel and it is tangential between angle be 8 °.
In the present embodiment, composite bed is collectively forming the kiln body of partition rotary kiln, wherein composite bed patch with tubular steel structure 11
The part of tight tubular steel structure constitutes the outer barrel of resistance to material together with tubular steel structure, and the inner ring of composite bed forms the inner cylinder of resistance to material, axially
Partition passage fitted shaft interface channel forms partition passage.The course of work of partition rotary kiln is similar to the above embodiments, partition
Material or fuel are passed through in passage, the center of composite bed is passed through fuel or material, are transmitted by the inner cylinder of resistance to material of composite bed inner ring
Heat material.
Embodiment 8
The present embodiment is with the difference of embodiment 7:As shown in Figure 13~Figure 14, set between the adjacent axial partition passage
One or multiple tracks quarl 3 are put, then the setting of axle interface channel is slightly different, except axial partition passage corresponding position
Quarl 3 opens up a cinclides 31 and axle connecting hole 34, and the quarl 3 being connected between the partition passage of twice axial direction is opened
If the axle intercommunicating pore 35 for circumferentially extending, axle intercommunicating pore 35 connects to form axle interface channel with the axle connecting hole 34 at two ends.It is preferred that
, selection will open up the quarl processing and fabricating on the quarl and axial partition passage forward of axle intercommunicating pore 35
It is integrated.
Embodiment 9
The present embodiment is with the difference of embodiment 7:As shown in Figure 15 and Figure 16, partition rotary kiln sets ring partition passage,
The ring interface channel for forward connecting ring partition passage is set in composite bed.
Circumferentially be circumferentially cinclides 31 between extension through-hole form for the quarl 3 of a circle is opened up, same circle
Between cinclides communicate with each other composition closing ring partition passage.Axially distributed multi-turn quarl 3, be connected the special-shaped resistance to of circle
Firebrick 3 opens up ring partition passage, then composite bed forms multi-turn ring partition passage adjacent to each other.
To connect adjacent ring partition passage, the ring interface channel for strengthening contact is set.Ring interface channel presses certain rotation
Turn direction and forward connect adjacent ring partition passage, the setting of ring interface channel can be such that material is moved according to the direction for determining,
Circumferentially spaced 120 ° of two axially adjacent ring interface channels are set, then ring interface channel leads to adjacent axial partition
Road series connection is for ring and is threadingly advanced form, and can set multiple tracks spiral along composite bed as needed.
As described above, the axially adjacent quarl 3 of ring partition passage is set, then ring interface channel is by setting position
Two adjacent apertured of quarl 3 at the place of putting are formed, and two adjacent quarls 3 open up composition ring partition first
Cinclides 31 between passage, while also open up the ring connecting hole 32 for abutting each other connection vertically, two ring connecting holes 32 respectively with
Between cinclides 31 connect, and fastening can be docked form ring interface channel.Preferably, the quarl by two docking is integrally machined
Make.
Kiln tail direction can smoothly be flowed to by ring interface channel for ease of material, the ring interface channel is forward inclined and set
Put, the angle between ring interface channel and axial direction is 10 °, ring interface channel and it is tangential between angle be 11 °.
For the ease of removing the material for blocking, the partition rotary kiln sets at least one axially dredging passage, positioned at same
Quarl on one axis opens up cinclides between axially connection.
Similar to Example 7, composite bed is collectively forming the kiln body of partition rotary kiln, wherein composite bed patch with tubular steel structure
The part of tight tubular steel structure constitutes the outer barrel of resistance to material together with tubular steel structure, and the inner ring of composite bed forms the inner cylinder of resistance to material, ring
Partition passage forms partition passage with cyclization interface channel.
Embodiment 10
The present embodiment is with the difference of embodiment 9:As shown in Figure 17~Figure 19, the ring partition channel spacing one is enclosed or many
Circle quarl is set, then the setting of ring interface channel is slightly different, except the special-shaped fire resisting of ring partition passage corresponding position
Brick 3 opens up a cinclides 31 and ring connecting hole 32, is connected to two rings and is opened up vertically to the quarl 3 between partition passage
The ring intercommunicating pore 33 of extension, ring intercommunicating pore 33 connects to form ring interface channel with the ring connecting hole 32 at two ends.Preferably, selection will
The quarl and the quarl on ring partition passage forward for opening up ring intercommunicating pore 33 are integrally machined making.
Embodiment 11
A kind of partition rotary kiln, as shown in figs 20 and 21, including kiln body, support meanss, transmission device, kiln hood, kiln tail and sealing
Device.The masonry of resistance to material of kiln body includes the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1, and the outer barrel of resistance to material 1 includes tubular steel structure 11 and fire resisting
Layer, flame retardant coating is built by laying bricks or stones along tubular steel structure by refractory brick and formed, and the inner cylinder of resistance to material 2 is made up of the carborundum cylinder of multistage drum,
Adjacent cylinder is sealed by forms such as clamping or grafting.Axially disposed multi-turn support between the inner cylinder of resistance to material 2 and the outer barrel of resistance to material 1
Brick 102.Supporting brick 102 is silicon carbide brick or high-alumina refractory brick, and supporting brick 102 is integrally built by laying bricks or stones with the outer barrel of resistance to material 1 and is connected, resistance to material
The refractory brick pre-groove of outer barrel 1, supporting brick 102 is correspondingly arranged projection, and by the cooperation of raised and groove, supporting brick 102 blocks
Load connects refractory brick and is built by laying bricks or stones together with the outer barrel of resistance to material 1 and is connected.The lateral wall correspondence supporting brick 102 of carborundum cylinder 21 opens up draw-in groove
104, setting-in refractory fiber blanket or refractory fiber cotton in draw-in groove 104, supporting brick 102 is stretched into draw-in groove, is formed with carborundum cylinder 21
It is fitted close, carborundum cylinder 21 is with supporting brick 102 and the synchronous axial system of the outer barrel of resistance to material 1.
Or another alternative form of the present embodiment, the outer barrel of resistance to material 1 combines by castable or refractory brick with castable
Form built by laying bricks or stones along tubular steel structure and form, supporting brick 102 is as described above by the raised cooperation clamping with groove and builds by laying bricks or stones, or
Person pours into a mould fixation together with castable.The inner cylinder of resistance to material 2 is assembled by the carborundum cylinder 21 of one or more snippets drum.Carbonization
Retain the gap of very little on the top of silica brick and carborundum cylinder 21 between draw-in groove 104, when the outer barrel of resistance to material 1 is rotated, vertically every
One circle only has 1~2 supporting brick 102 to keep contacting with carborundum cylinder 21 in bottom, due to the presence of frictional force and pressure, resistance to material
Inner cylinder 2 rotates with supporting brick 102, but the velocity of rotation of the inner cylinder of resistance to material 2 is not more than the velocity of rotation of the outer barrel of resistance to material 1,
It is possible to remain stationary as in certain instances.
Embodiment 12
The present embodiment is similar to Example 6, there is provided a kind of partition rotary kiln of Crossed Circle, as depicted in figures 22 and 23, in embodiment
On the basis of 11, the central tube of resistance to material 101 is set in the inner cylinder of resistance to material 2.The central tube of resistance to material 101 and the material of the inner cylinder of resistance to material 2 and structure phase
With or it is similar, simply size is less than the inner cylinder of resistance to material, is in forming carborundum by modes such as one or more snippets cylinder clamping or insertings
Heart cylinder.The inner support brick 103 of multi-turn high-alumina refractory brick in being set between the inner cylinder of resistance to material 2 and the central tube of resistance to material 101.Inner support brick
103 with the central tube of resistance to material 101 synchronously be made, the other end of inner support brick connects resistance to material in the form of similar embodiment 11
Inner cylinder, presets draw-in groove 104 corresponding with inner support brick 103 on the madial wall of the inner cylinder of resistance to material 2, and fire resisting is loaded in draw-in groove 104
Cellucotton or refractory fiber blanket, inner support brick 103 are closely installed in draw-in groove 104, then the inner cylinder of resistance to material 2 and the central tube of resistance to material 101
Closely connected as one by inner support brick 103, the inner cylinder of resistance to material 2 and the synchronous axial system of the central tube of resistance to material 101.
The method of operation of the present embodiment is:Material is added between the inner cylinder of resistance to material and the central tube of resistance to material from kiln hood, fuel
The flue gas of burning is introduced between the outer barrel of resistance to material and the inner cylinder of resistance to material and the central tube of resistance to material center from kiln tail, the flue gas contraposition of both sides
Heated simultaneously in the material in clamp ring, greatly improve production efficiency.
The alternative form of the present embodiment is that inner support brick 103 is gap cooperation with the draw-in groove 104 on the inner cylinder of resistance to material 2, then resistance to
Material inner cylinder 2 is floating connection with the central tube of resistance to material 101, and each circle vertically only has in 1 or 2 in the bottom of the inner cylinder of resistance to material 1
Supporting brick 103 is contacted with the inner cylinder of resistance to material 2, and due to the presence of frictional force and pressure, the central tube of resistance to material 101 is sent out with inner support brick 103
It is raw to rotate, but the velocity of rotation of the central tube of resistance to material 101 is not more than the velocity of rotation of the inner cylinder of resistance to material 2, it is also possible to pledge love one
Remained stationary as under shape.And can simultaneously change the introducing position of material and fuel(Not shown in figure), make flue gas to inner or outer side
Material simultaneously heat, improve speed of production or the thermal efficiency.Inner support brick can also be made and be integrated making with the inner cylinder of resistance to material
Form, and draw-in groove corresponding with inner support brick is opened up on the lateral wall of the central tube of resistance to material.
In above-mentioned all embodiments, the material can be reduced iron, lime, coal, rubbish etc. need high-quality calcine or
The product of reduction, fuel can be the various combustibles such as coal dust, combustion gas, fuel oil, be controlled using the mode such as pumping or pressurization
The pressure that material is flowed through in passage is more than the pressure in fuel combustion passage, prevents flue gas in fuel from being flowed through in passage to material and leaks
Gas.
Claims (18)
1. a kind of partition rotary kiln, including the outer barrel of resistance to material(1)With the inner cylinder of resistance to material(2), the outer barrel of resistance to material(1)Including tubular steel structure
(11)And build by laying bricks or stones in tubular steel structure(11)Interior flame retardant coating(12), the outer barrel of resistance to material(1)With the inner cylinder of resistance to material(2)Constitute hollow knot
Structure, tubular steel structure(11)Lower section sets and promotes the outer barrel of resistance to material(1)Do the drive device of circumference rotation(9);It is characterized in that:Institute
State the inner cylinder of resistance to material(2)Including carborundum cylinder(21)And skeleton(4), carborundum cylinder(21)For entirety or by multigroup carborundum plate group
The tubular structure of dress;Skeleton(4)Carborundum cylinder is axially fixed to including some(21)Cooling tube on the wall of inside/outside side(41);
The cooling tube(41)The outer barrel of resistance to material is stretched out in kiln hood one end of correspondence partition rotary kiln(1)It is outer and connect cooling medium supply dress
Put, cooling tube(41)The outer barrel of resistance to material is stretched out in kiln tail one end of correspondence partition rotary kiln(1)It is outer and connect cooling medium ejector.
2. a kind of partition rotary kiln according to claim 1, it is characterised in that:The skeleton(4)One layer of high temperature resistant of coating
Thermal insulation coat;The inner cylinder of resistance to material(2)Remain stationary as, or timing or not timing one fixation or unfixed of rotation
Angle;Or the inner cylinder of resistance to material(2)With the outer barrel of resistance to material(1)Synchronous axial system.
3. a kind of partition rotary kiln according to claim 2, it is characterised in that:The skeleton(4)Also include and cooling tube
Connection, the outer radial direction cooling ring for applying thermostable heat-isolating coating(42);The cooling tube(41), cooling ring(42)It is pipe
Or square tube;The cooling tube(41), cooling ring(42)Coating outside parcel high temperature resistant composite square-tube.
4. a kind of partition rotary kiln according to claim 1, it is characterised in that:The inner cylinder of resistance to material(2)With the outer barrel of resistance to material
(1)Between axially spaced the support of some roll/slides is set;The roll/slide support includes anchor ear(51)And roll
Part/sliding block, anchor ear(51)Wrap up in and be connected on skeleton(4)Outside, some rolling members/sliding block correspondence anchor ear is fixed on the outer barrel of resistance to material(1)On;
The rolling member is by bearing(53)It is connected to the outer barrel of resistance to material(1)On and anchor ear(51)The roller being in rolling contact(52)Or
Bearing, the anchor ear(51), bearing(53)Cooling structure, the roller are set(52)Or bearing correspondence partition rotary kiln charging
Side sets baffle plate;The sliding block is and the outer barrel of resistance to material(1)The silicon carbide brick or high-alumina refractory brick being integrally fixedly connected.
5. a kind of partition rotary kiln according to claim 1, it is characterised in that:The inner cylinder of resistance to material(2)With the outer barrel of resistance to material
(1)Between axially spaced some fixed supports are set(6);The fixed support(6)Including anchor ear(51), connection support
(61), anchor ear(51)Parcel is connected to skeleton(4)Outside, connection support(61)It is connected to anchor ear(51)With the outer barrel of resistance to material(1)It
Between;The connection support(61)It is the steel bracket with cooling structure.
6. a kind of partition rotary kiln according to claim 4 or 5, it is characterised in that:The axially extended outer barrel of resistance to material(1)
Cooling tube(41)It is movable sealing and is connected with cooling medium feedway, cooling medium ejector, each cooling tube(41)
Stretch out the outer barrel of resistance to material(1)The circular or ring-shaped rotor of same end welding one(7), along rotor(7)Lateral wall open up a circle with each axle
To cooling tube(41)The cooling bath of connection(71), rotor(7)The outside stator that is matched with rotor of suit(8), stator(8)On open
If distal end and cooling medium feedway or the passage that cooling medium ejector is connected, near-end is connected with cooling bath, stator(7)
With rotor(8)If between add arterial highway sealing ring.
7. a kind of partition rotary kiln according to claim 1, it is characterised in that:The cooling tube(41), cooling ring(42)
Lateral wall on be spaced the projection for welding some nuts or default screw thread, correspondence opens up counter sink on carborundum plate, by countersunk head
Bolt(43)Connection carborundum plate and cooling tube(41), cooling ring(42), filled between the head end and carborundum plate of dormant bolt
Refractory material;Or the cooling tube(41), cooling ring(42)Lateral wall on be spaced some contiguous blocks of welding, on carborundum plate
The pre-buried anchor studs of correspondence, cooling tube is connected by the way that contiguous block is welded in anchor studs(41), cooling ring(42)With carborundum plate.
8. a kind of partition rotary kiln according to claim 1, it is characterised in that:The assembling carborundum cylinder(21)It is single
Carborundum plate is straight panel or arc, skeleton(4)Only it is connected with the inside/outside side wall of single carborundum plate, skeleton(4)With it is adjacent
The joint of carborundum plate be not joined directly together, adjacent carborundum plate joint passes through the fluctuating labyrinth shape interface worked in coordination
Clamping;
Or the assembling carborundum plate cylinder(21)Single carborundum plate be straight panel or arc, the lateral wall of carborundum plate and
Edge is and skeleton(4)It is fixedly connected, skeleton(4)Correspondence sealing block of the carborundum plate welding with labyrinth seal and screwed hole
(44), correspondence opens up labyrinth seal interface and counter sink on carborundum plate.
9. a kind of partition rotary kiln according to claim 1, it is characterised in that:The carborundum cylinder(21)Internal diameter be
1.5~2.5 meters, carborundum cylinder(21)With the outer barrel of resistance to material(1)The distance between madial wall be 0.2~0.6 meter, carborundum cylinder
(21)Upper uniform 6~24 cooling tubes(41), cooling tube(41)Thickness be 10~30 millimeters;Fuel is in carborundum cylinder
(2)Interior burning, the temperature of combustion product gases is 1350~1500 DEG C, and the temperature of the cooling medium is 80~200 DEG C, the resistance to material
Outer barrel(1)With the inner cylinder of resistance to material(2)Between hollow-core construction temperature be 1000~1200 DEG C.
10. a kind of partition rotary kiln according to claim 1, it is characterised in that:The cooling medium be water, conduction oil,
Or half vapor of gasification cooling, its reclaimed water, half vapor of gasification cooling enter electricity generation system after flowing through partition rotary kiln.
A kind of 11. partition rotary kilns, including the outer barrel of resistance to material(1)With the inner cylinder of resistance to material(2), the outer barrel of resistance to material(1)Including tubular steel structure
(11)And build by laying bricks or stones in tubular steel structure(11)Interior flame retardant coating(12), the outer barrel of resistance to material(1)With the inner cylinder of resistance to material(2)Constitute hollow knot
Structure, tubular steel structure(11)Lower section set promote the outer barrel of resistance to material(1)Do the drive device of circumference rotation(9);It is characterized in that:
The inner cylinder of resistance to material(2)Carborundum cylinder including one or more snippets cylinder clamping or grafting(21), the outer barrel of resistance to material(1)It is interior
Sidewall spacers set multi-turn supporting brick(102), supporting brick(102)It is fitted close with carborundum cylinder, carborundum cylinder is with supporting brick
(102)With the outer barrel of resistance to material(1)Synchronous axial system;Or supporting brick(102)Coordinate with carborundum cylinder gap, carborundum cylinder(21)Do circle
Circular velocity is not more than the outer barrel of resistance to material(1)The rotation of peripheral speed.
A kind of 12. partition rotary kilns according to claim 11, it is characterised in that:Resistance to material is also set up in the inner cylinder of resistance to material
Central tube(101), the central tube of resistance to material(101)Carborundum central tube including one or more snippets cylinder clamping or grafting, it is resistance to
Material inner cylinder(2)With the central tube of resistance to material(101)Between interval setting multi-turn inner support brick(103), inner support brick(103)One end with
The inner cylinder of resistance to material(2)/ the central tube of resistance to material(101)It is fixedly connected, inner support brick(103)The other end and the central tube of resistance to material(101)/ resistance to
In material(2)Cylinder is fitted close, the central tube of resistance to material(101)With the inner cylinder of resistance to material(2)Synchronous axial system;Or inner support brick(103)One
End and the inner cylinder of resistance to material(2)/ the central tube of resistance to material(101)It is fixedly connected, inner support brick(103)The other end and the central tube of resistance to material
(101)/ the inner cylinder of resistance to material(2)Gap coordinates, the central tube of resistance to material(101)Do peripheral speed and be not more than the inner cylinder of resistance to material(2)Peripheral speed
Rotation.
A kind of 13. partition rotary kilns according to claim 12, it is characterised in that:The supporting brick(102)One end with
The outer barrel of resistance to material(1)Pour into a mould or build by laying bricks or stones integrally connected, supporting brick(102)The other end be inlaid in that carborundum cylinder lateral wall is pre- to be opened up
Draw-in groove(104)It is interior, supporting brick(102)With draw-in groove(104)Between fill out and cover refractory fibre;The inner support brick(103)One end lead to
Integral production is crossed to be fixedly connected with carborundum cylinder or carborundum central tube;Inner support brick(103)The other end be inlaid in carborundum
Medial wall of the tube or the pre- draw-in groove for opening up of carborundum central tube lateral wall(104)It is interior, inner support brick(103)With draw-in groove(104)Between
Fill out and cover refractory fibre;The supporting brick(102)With inner support brick(103)It is high-alumina refractory brick or silicon carbide brick;It is described resistance to
Material inner cylinder(2)Internal diameter be 1.5~2.5 meters, the internal diameter of the central tube of resistance to material is 0.5~1 meter, the inner cylinder of resistance to material(2)With the outer barrel of resistance to material
(1)The distance between be 0.2~0.6 meter.
A kind of 14. partition rotary kilns, including tubular steel structure(11), it is characterised in that:Along tubular steel structure(11)Madial wall
Cinclides between building by laying bricks or stones by presetting(31)Quarl(3)Cinclides between the composite bed of composition, quarl(31)Connect each other
Lead to is that, along the axially extending axial partition passage of partition rotary kiln, setting forward connects adjacent axial partition and leads in composite bed
The axle interface channel in road;Or cinclides between quarl(31)Communicate with each other ring of the composition along the closing of partition rotary kiln ring
To partition passage, the ring interface channel for forward connecting adjacent ring partition passage is set in composite bed.
A kind of 15. partition rotary kilns according to claim 14, it is characterised in that:Two circumferentially adjacent axles connect
Connect 15 °~180 ° settings of channel spacing;Axially adjacent circumferentially spaced 15 °~180 ° settings of two ring interface channels;
The axle interface channel is forward obliquely installed, and the angle between axle interface channel and axial direction is 1 °~15 °, axle interface channel with cut
Angle between is 1 °~15 °;The ring interface channel is forward obliquely installed, and the angle between ring interface channel and axial direction is
1 °~15 °, ring interface channel and it is tangential between angle be 1 °~15 °.
A kind of 16. partition rotary kiln as described in any one of claims 14 or 15, it is characterised in that:It is vertically together different
Shape refractory brick(3)Open axially extend between the axial partition passage of cinclides composition, each road quarl circumferentially(3)
Axial partition passage is opened up, two corresponding quarls at axle interface channel(3)The axle for circumferentially docking is opened up to connect
Connect hole(34), two axle connecting holes(34)Connection forms axle interface channel:Two quarls of setting axle connecting hole(3)One
Body is made;
Or vertically for together quarl(3)Open axially extend between the axial partition passage of cinclides composition,
Each road quarl circumferentially(3)Interval opens up axial partition passage, and axle interface channel is by axial partition passage corresponding position
Two quarls(3)And it is connected to the quarl between the partition passage of twice axial direction(3)Default connecting hole group
Into quarl of two correspondences on axial partition passage opens up the axle connecting hole for circumferentially docking(34), connect twice
The quarl of axial partition passage(3)Open up the axle intercommunicating pore being docked and connected with axle connecting hole(35), axle intercommunicating pore(35)
With the axle connecting hole at two ends(34)Connection forms axle interface channel;It is connected to the quarl between the partition passage of twice axial direction
Quarl integral production with forward side is formed.
A kind of 17. partition rotary kiln as described in any one of claims 14 or 15, it is characterised in that:It is circumferentially the different of a circle
Shape refractory brick(3)Open circumferentially extend between cinclides composition ring partition passage, each circle quarl vertically(3)
Ring partition passage is opened up, two adjacent quarls at ring interface channel(3)The ring for docking vertically is opened up to connect
Connect hole(32), two ring connecting holes(32)Connection forms ring interface channel;Two setting ring connecting holes(32)Quarl
Integral production is formed;
Or circumferentially for one circle quarl(3)Open circumferentially extend between cinclides composition ring partition passage,
Each circle quarl vertically(3)Interval opens up ring partition passage, and ring interface channel is by the two of ring partition passage
Individual quarl(3)And two rings are connected to the quarl between partition passage(3)Default connecting hole composition,
Quarl of two correspondences on ring partition passage(3)Open up the ring connecting hole for docking vertically(32), it is connected to two
Ring is to the quarl between partition passage(3)Open up and ring connecting hole(32)The ring intercommunicating pore being docked and connected(33), ring
Intercommunicating pore(33)With the ring connecting hole at two ends(32)Connection forms ring interface channel;Two rings are connected to between partition passage
Quarl is formed with the quarl integral production of forward side;The partition rotary kiln is set at least axially to be dredged together
Circulation passage, cinclides forms axially dredging passage between the quarl on same axis opens up axially connection.
A kind of 18. partition rotary kiln as described in claim 1 or 11 or 14 any one, it is characterised in that:Material be reduced iron,
Lime, coal or high-quality calcining or the material for reducing the need for rubbish, fuel is the combustible of coal dust, combustion gas or fuel oil;
High-temperature flue gas in the partition rotary kiln after heated material introduce waste heat power generation equipment by pipeline;Pressure in material channel
More than the pressure in fuel channel.
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CN107216053A (en) * | 2017-06-01 | 2017-09-29 | 石家庄新华能源环保科技股份有限公司 | A kind of partition rotary kiln of high leakproofness |
CN109186253A (en) * | 2018-11-15 | 2019-01-11 | 杨锡娟 | Industry firing rotary kiln with kiln structure in kiln |
CN109631571A (en) * | 2018-11-26 | 2019-04-16 | 湖北环电磁装备工程技术有限公司 | A kind of rotary kiln that permanent magnet synchronous motor directly drives |
CN112157785A (en) * | 2020-09-21 | 2021-01-01 | 王宗翔 | Environment-friendly building material brick |
CN112197594A (en) * | 2020-10-22 | 2021-01-08 | 东台市圣德尔耐热材料有限公司 | Refractory brick mounting structure |
CN112725560A (en) * | 2021-01-26 | 2021-04-30 | 唐山市三川钢铁机械制造有限公司 | Cooling liquid distribution type scrap steel batching port and manufacturing method thereof |
CN113154872A (en) * | 2021-04-22 | 2021-07-23 | 重庆科技学院 | Low-temperature plasma combined rotary kiln |
WO2021212694A1 (en) * | 2020-04-23 | 2021-10-28 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
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CN107216053A (en) * | 2017-06-01 | 2017-09-29 | 石家庄新华能源环保科技股份有限公司 | A kind of partition rotary kiln of high leakproofness |
CN107216053B (en) * | 2017-06-01 | 2019-06-28 | 石家庄新华能源环保科技股份有限公司 | A kind of partition rotary kiln of high leakproofness |
CN109186253A (en) * | 2018-11-15 | 2019-01-11 | 杨锡娟 | Industry firing rotary kiln with kiln structure in kiln |
CN109186253B (en) * | 2018-11-15 | 2024-02-27 | 杨锡娟 | Industrial firing rotary kiln with kiln-in-kiln structure |
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CN112725560A (en) * | 2021-01-26 | 2021-04-30 | 唐山市三川钢铁机械制造有限公司 | Cooling liquid distribution type scrap steel batching port and manufacturing method thereof |
CN113154872A (en) * | 2021-04-22 | 2021-07-23 | 重庆科技学院 | Low-temperature plasma combined rotary kiln |
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