CN105180645B - A kind of rotation kiln system of the drying of tail heat and air-introduced machine not laying dust - Google Patents
A kind of rotation kiln system of the drying of tail heat and air-introduced machine not laying dust Download PDFInfo
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- CN105180645B CN105180645B CN201510555181.9A CN201510555181A CN105180645B CN 105180645 B CN105180645 B CN 105180645B CN 201510555181 A CN201510555181 A CN 201510555181A CN 105180645 B CN105180645 B CN 105180645B
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Abstract
The invention discloses a kind of drying of tail heat and the rotation kiln system of air-introduced machine not laying dust, rotary kiln is in tilted layout, built-in combustion device, and the high-end one end with dryer of rotary kiln is bi-directionally connected by material blanking tube and airduct, material blanking tube is connected provided with conveyer belt in dryer, the other end of dryer is provided with wind stopping device；Provided with raised refractory slab in rotary kiln；Carrying out the air-introduced machine of dedusting has the structure that blade is wedge shape, backboard is dish.Raised refractory slab of the invention adds the heat transfer area of rotary kiln, promotes material turning, is conducive to improving the thermal efficiency；Dryer realizes tail heat utilization, is conducive to the shaping and drying of spherical material；Tail heat utilization has notable characteristics of energy saving with thermal material insulation subsequent reactions, and chilling liquid pool, which carries out rapidly cooling, reaction to ball material, can evaporate large quantity of moisture, effectively alleviates the environmental protection pressure that production liquid expands；Laying dust does not prevent security incident effectively to air-introduced machine, is particularly suitable for the calcination processing of navajoite, has a extensive future.
Description
Technical field
The present invention relates to a kind of rotary kiln, the drying of tail heat is referred specifically to and the rotation kiln system of air-introduced machine not laying dust.
Background technology
Rotary kiln is low, highly reliable due to adaptable, operating cost, is mineral dispensing, balling-up, reaction and drying
One of main preferred unit, is particularly suitable for use in the processing calcination of navajoite.Rotary kiln need to consume fuel to keep kiln in the course of work
Containing a large amount of heat energy and dust, it is necessary to be purified to tail gas and tail in interior suitable high temperature, thus the tail gas of rotary kiln discharge
Heat recovery operation, realizes energy-saving and emission-reduction.
Rotary kiln is generally cylindrical cross section, thus the heat transfer area very little of material and kiln body, causes the thermal efficiency not high.
Blower fan is the key equipment that rotary kiln carries out dedusting and recuperation of heat, and blower fan is generally centrifugal blower, blower fan it is continuous,
Stable, dedusting of the reliably working to rotary kiln is very crucial, because the occasion that rotary kiln is used all contains certain dust mostly,
During blower fan work, because centrifugation, dust granule can depart from air-flow phase during the draught fan impeller that air-flow is rotated by high speed
And deposit and be attached on draught fan impeller.
Because draught fan impeller rotating speed is general all higher, as long as all can in air-flow with the presence of micro dust after working long hours
More dust is accumulated, so as to change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification not have to dust yet
Have timely cleaning, will static state cumulative and that draught fan impeller is altered in steps and dynamic equilibrium, so as to produce vibration.Once
The dust that running into has part hardened, which is vibrated, to come off, and the dynamic rotary away from blower fan will balance immediately, then produce and shake strongly
Dynamic, this may trigger serious personnel and equipment safety accident.If centrifugal fan impeller can be designed, it can carry out certainly
Dynamic cleaning all has spy just without worrying to cause dust to accumulate for keeping the reliable and stable work of blower fan and preventing security incident
Not important meaning.
Therefore, if design thermal efficiency is high, tail recuperation of heat and good dedusting effect, material turnover are smooth, serialization degree is high
And the rotation kiln system of air-introduced machine not laying dust, all have for realizing energy-saving and emission-reduction, improving operating efficiency and preventing security incident
Significance.
The content of the invention
The technical problem to be solved in the present invention is exactly to overcome the deficiencies in the prior art there is provided one kind is simple and practical, hot
Efficiency high, tail recuperation of heat and good dedusting effect, material turnover are smooth, serialization degree is high and the rotary kiln system of air-introduced machine not laying dust
System.
To overcome the deficiencies in the prior art, the present invention takes following technical scheme：
The rotation kiln system of a kind of drying of tail heat and air-introduced machine not laying dust, including rotary kiln, it is characterised in that：Rotary kiln inclines
Tiltedly arrange, built-in combustion device, high-end one end with dryer of rotary kiln is bi-directionally connected by material blanking tube and airduct, set in dryer
There is conveyer belt to connect material blanking tube, the other end of dryer is provided with wind stopping device；Provided with raised refractory slab in rotary kiln；The drying
Machine connects connection below air-introduced machine, the exhaust outlet connection sack cleaner of air-introduced machine, cyclone dust collectors through cyclone dust collectors and closes wind
Provided with the bucket that gathers dust below device, wind stopping device；The air-introduced machine includes draught fan impeller and casing, and draught fan impeller includes impeller backboard, leaf
Panel and blade are taken turns, blade arrangement is into impeller Axial and radial, centrosymmetric hollow wedge, and impeller backboard is dish；Hollow wedge
Blade connects impeller panel and is welded to form impeller bodies with dish-shaped impeller backboard；Impeller panel is provided with air inlet, dish-shaped impeller
Backboard is fixed and connection shaft seat by rivet, and axle bed is connected by axis hole with fan shaft；Casing provided with air inlet and
Air outlet, cabinet form contour line is involute, the round heart of involute and blower fan axis coinciding, and involute is out of shell air outlet
Side starts, and line radius is gradually increased with involute circle, terminates to shell air outlet outside, and shell air outlet width, which is equal to, gradually to be opened
Line circumference；Shell air inlet, which is provided with cover plate, cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axle center weight
Close.
The burner connection air shut-off valve and fuel control valve.
Fan is provided with the dryer, is conducive to the drying of material.
The wind stopping device connects pan-pelletizer, pan-pelletizer connection blender.
Arranged in the low side connection insulation reaction bucket of the rotary kiln, insulation reaction bucket connection chilling liquid pool, chilling liquid pool
There is discharging band, discharging band is supported by carrying roller.
The raised refractory slab is trapezoidal or rectangle or triangle.
The casing is fixed on support.Casing plays sealing process, and air inlet air inlet obtains kinetic energy by impeller rotation,
And energy conversion is carried out in casing, a part of kinetic energy is converted to the static energy of gas, so makes output gas flow that there is speed to move
Pressure head also has hydrostatic head, and both sums are exactly blower press.
Shell air inlet can connect airduct according to need, and air intake velar plate is detachable, is bolted to connection casing, machine
The scroll casing shape of shell gradually open profile meet Fan casing it is closed, conveying gas and meanwhile realize energy efficient change the need for, make output gas
Flow and total head needed for stream can reach.
The shell air inlet cover plate is bolted to connection casing, and can dismantle.
Rotary kiln is the core component of system, and general structure is all that refractory insulating layer is fixed in steel cylinder, will in the design
Raised refractory slab can continuously, interruption, length, uniformly etc. refractory material is whole in the firm steel cylinder of multiple combinations form composition
Body.
Arrangement burner in rotary kiln, burner connection air shut-off valve and fuel control valve, fuel can be coal gas
But the coal dust that compressed air conveying is come in, sprays burning in burner.
Mineral powder is well mixed in blender, and output is granulated in pan-pelletizer, enters dryer by wind stopping device,
Material is conveyed from left to right by conveyer belt in dryer, and counter-current drying and the pre-heat treatment are carried out with tail gas stream from right to left,
Fan can penetrate material with strengthening flow, strengthen drying and preheating effect, and material blanking tube can fall the spherical material of preheated processing
Enter rotary kiln, tracheae realizes that air-flow is turned on；Combustion gas is to move from left to right in rotary kiln, moves composition from right to left with material
Countercurrent flow, realizes high-temperature process.
Rotary kiln has an appropriate inclination angle, controls certain rotating speed rotation, material can realize it is controlled moved from high-end to low side,
Operation is completed simultaneously, and raised refractory slab can grasp material, promote material turning, while flame heating surface (area) (HS is greatly increased,
Be conducive to being rapidly achieved reaction temperature, improve efficiency.
Exported after spherical material pyroreaction to low side, into insulation reaction bucket, proceed residual heat high-temperature subsequent reactions,
It can be reaction solution to be disposed with chilling liquid pool in discharging band, chilling pond, and ball material is carried out rapidly to cool down and react, passes through control
The motion of discharging band is from the output of insulation reaction bottom of the barrel enters chilling liquid pool, and carrying roller can effectively improve the carrying energy of discharging band
Power, just can enter lower step treatment process to solidliquid mixture output in pond.
Tail gas completes dedusting and output by dryer by left end output connection cyclone separator, and central tube output removes dust and gas
Body connects air-introduced machine, and connection sack cleaner in air-introduced machine outlet realizes final dusting.
The draught fan impeller of the present invention is in use, because blade design is into hollow wedge, and sharf radial center is symmetrical,
When thus rotating at a high speed, blade surface has centrifugation self purification under the action of the centrifugal force, makes dust by centrifugal action
It can not adhere to, dynamic, the static balancing of impeller not interfered with thus, dust will not be more accumulated；The technology of this blade construction
Scheme, is particularly suitable for the big wide impeller air-introduced machine of delivery air amount and uses.
Compared with the impeller backboard of common air-introduced machine, the characteristics of dish-shaped impeller backboard and advantage is：When steel plate thickness is the same
When, dish-shaped backboard is due to rigidity reinforced, stress is scattered, elastic buffer is improved and shape stability is also greatly improved, thus
Bearing capacity can be enhanced about more than once on the basis of common flat backboard.Because backboard almost carries whole fans loads, so
Dish is made in backboard can be more durable, and the wheel hub of truck is because with disc structure, bearing capacity strengthens, also more
It is durable.
Compared with prior art, beneficial effects of the present invention are also resided in：
Raised refractory slab adds the heat transfer area of rotary kiln, promotes material turning, is conducive to being rapidly achieved reaction temperature
Degree, improves the thermal efficiency；Dryer realizes tail heat utilization, is conducive to the shaping and drying of spherical material；Tail heat utilization and hot thing
Material insulation subsequent reactions have notable characteristics of energy saving, and chilling liquid pool, which carries out rapidly cooling, reaction to ball material, can evaporate a large amount of water
Point, effectively alleviate the environmental protection pressure of production liquid expansion, be particularly suitable for the calcination processing of navajoite, have a extensive future.
Vanes on Induced Draft Fan is designed to hollow wedge, and sharf radial center is symmetrical, make blower fan backboard that it is connected with
The anti-relative torsion of panel, extruding rigidity are extremely strong, can prevent for a long time using the disconnected of the fan blade connection backboard root caused
Split.
Vanes on Induced Draft Fan is designed to hollow wedge, and sharf radial center is symmetrical, even with relatively thin board making
Draught fan impeller can also obtain higher intensity, it is ensured that stablize, reliably use, can save material, be easy to make, be also beneficial to set
Standby light and handyization.
The present invention is by Vanes on Induced Draft Fan ingehious design into hollow wedge, and the symmetrical shape of sharf radial center is realized
The real-time cleaning of dust on blade, extends the service life of equipment and can effectively prevent the safe thing that dust accumulation triggers
Therefore, have a extensive future.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention.
Fig. 2 is the cross section structure schematic diagram of rotary kiln.
Fig. 3 is the planar structure schematic diagram of draught fan impeller.
Fig. 4 is the cross-sectional view of draught fan impeller.
Fig. 5 is the planar structure schematic diagram of air-introduced machine.
Each label is represented in figure：
A, air-introduced machine；1st, rotary kiln；2nd, insulation reaction bucket；3rd, discharge band；4th, chilling liquid pool；5th, raised refractory slab（Ladder
Shape）；6th, burner；7th, flame；8th, cyclone dust collectors；9th, airduct；10th, sack cleaner；11st, wind stopping device；12nd, pan-pelletizer；13、
Blender；14th, conveyer belt；15th, fan；16th, dryer, 17, tracheae；18th, material blanking tube；19th, air shut-off valve；20th, fuel control
Valve processed；21st, spherical material；22nd, carrying roller；23rd, gather dust bucket；31st, Wedge blade；32nd, impeller is cylindrical；33rd, impeller air inlet；34th, axle
Seat；35th, rivet；36th, axis hole；37th, dish-shaped impeller backboard；38th, impeller panel；41st, impeller；42nd, shell air inlet；43rd, gradually open
Line is justified；44th, support；45th, casing；46th, shell air inlet cover plate；47th, shell air outlet.
Embodiment
In conjunction with accompanying drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, the rotation kiln system of the drying of the heat of tail shown in Fig. 3, Fig. 4 and Fig. 5 and air-introduced machine not laying dust, including rotation
Kiln 1, rotary kiln 1 is in tilted layout, built-in combustion device 6, and rotary kiln 1 is high-end to pass through material blanking tube 18 and airduct with dryer 16 one end
17 are bi-directionally connected, and material blanking tube 18 is connected provided with conveyer belt 14 in dryer 16, and the other end of dryer 16 is provided with wind stopping device 11；Rotation
Provided with raised refractory slab 5 in rotary kiln 1；The dryer 16 connects air-introduced machine A, air-introduced machine A exhaust outlet through cyclone dust collectors 8
Connect below sack cleaner 10, the lower section of cyclone dust collectors 8 connection wind stopping device 11, wind stopping device 11 provided with the bucket 23 that gathers dust；It is described to draw
Blower fan A includes draught fan impeller 41 and casing 45, and draught fan impeller 41 includes impeller backboard 37, impeller panel 38 and blade 31, blade
31 are arranged to impeller Axial and radial, centrosymmetric hollow wedge, and impeller backboard 37 is dish；Hollow wedge blade 31 connects impeller
Panel 38 is simultaneously welded to form impeller bodies with dish-shaped impeller backboard 37；Impeller panel 38 is provided with air inlet 33, dish-shaped impeller backboard
37 are fixed and connection shaft seat 34 by rivet 35, and axle bed 34 is connected by axis hole 36 and fan shaft；Casing 45 is provided with
Air inlet 42 and air outlet 47, cabinet form contour line is involute, the round heart of involute and blower fan axis coinciding, involute from
The inner side of shell air outlet 47 starts, and line radius is gradually increased with involute circle, terminates to the outside of shell air outlet 47, casing goes out
Air port width is equal to involute and justifies 43 girths；Shell air inlet 42, which is provided with cover plate 46, cover plate, also has air inlet to be easy to connecting tube
Road, and axle center and impeller axis coinciding.
The connection air shut-off valve 19 of burner 6 and fuel control valve 20.
Fan 15 is provided with the dryer 16, is conducive to the drying of material.
The wind stopping device 11 connects pan-pelletizer 12, the connection blender 13 of pan-pelletizer 12.
The low side connection insulation reaction bucket 2 of the rotary kiln 1, insulation reaction bucket 2 is connected in chilling liquid pool 4, chilling liquid pool 4
Discharging band 3 is disposed with, discharging band 3 is supported 22 by carrying roller.
The raised refractory slab is trapezoidal or rectangle or triangle.
The casing 45 is fixed on support 44.Casing 45 plays sealing process, and the air inlet of air inlet 42 is revolved by impeller 41
Turn to obtain kinetic energy, and the progress energy conversion in casing 45, a part of kinetic energy is converted to the static energy of gas, so makes output gas
There is stream speed dynamic head to also have hydrostatic head, and both sums are exactly blower press.
Shell air inlet 42 can connect airduct according to need, and air intake velar plate 46 is detachable, is bolted to connection machine
Shell 45, the scroll casing shape of casing 45 gradually open profile meet that Fan casing is closed, conveying gas while realizing that energy efficient is changed the need for,
Output gas flow is set to reach required flow and total head.
The shell air inlet cover plate 46 is bolted to connection casing 45, and can dismantle.
Rotary kiln 1 is the core component of system, and general structure is all that refractory insulating layer is fixed in steel cylinder, will in the design
Raised refractory slab 5 can continuously, interruption, length, uniformly etc. refractory material is whole in the firm steel cylinder of multiple combinations form composition
Body.
Arrangement burner 6 in rotary kiln 1, burner 6 connects air shut-off valve 19 and fuel control valve 20, and fuel can be
Coal gas may also be the coal dust that compressed air conveying is come in, and burning is sprayed in burner 6.
Mineral powder is well mixed in blender 13, and output is granulated in pan-pelletizer 12, is entered by wind stopping device 11
Material is conveyed from left to right by conveyer belt 14 in dryer 16, dryer, and counter-current drying is carried out with tail gas stream from right to left
With the pre-heat treatment, fan 15 can penetrate material with strengthening flow, strengthen drying and preheating effect, material blanking tube 18 can be by preheated place
The spherical material 21 of reason falls into rotary kiln 1, and tracheae 17 realizes that air-flow is turned on；Combustion gas is to move from left to right in rotary kiln 1, with
Material moves composition countercurrent flow from right to left, realizes high-temperature process.
Rotary kiln 1 has an appropriate inclination angle, controls certain rotating speed rotation, and material can be realized controlled to be transported from high-end to low side
Dynamic, while completing operation, raised refractory slab 5 can grasp material, promote material turning, while greatly increasing flame heating surface
Product, is conducive to being rapidly achieved reaction temperature, improves efficiency.
Exported after the spherical pyroreaction of material 21 to low side, into insulation reaction bucket 2, proceed residual heat high-temperature subsequently anti-
Should, it can be reaction solution to be disposed with chilling liquid pool 4 in discharging band 3, chilling pond 4, and ball material is carried out rapidly to cool down and react, led to
Cross control discharging band 3 and move and enter from the 2 bottoms output of insulation reaction bucket in chilling liquid pool 4, carrying roller 22 can effectively improve discharging
With 3 bearing capacity, lower step treatment process just can be entered to solidliquid mixture output in pond.
Tail gas completes dedusting and output by dryer 16 by left end output connection cyclone separator 8, and central tube output is removed
Dust and gas body connects air-introduced machine A, and connection sack cleaner 10 in air-introduced machine A outlets realizes final dusting.
The air-introduced machine A impellers of the present invention are in use, because blade design is into hollow wedge, and sharf radial center pair
When claiming, thus rotating at a high speed, blade surface has centrifugation self purification under the action of the centrifugal force, makes dust by centrifugal action
And can not adhere to, dynamic, the static balancing of impeller are not interfered with thus, will not more accumulate dust；The skill of this blade construction
Art scheme, is particularly suitable for the big wide impeller air-introduced machine of delivery air amount and uses.
Compared with the impeller backboard of common air-introduced machine, the characteristics of dish-shaped impeller backboard and advantage is：When steel plate thickness is the same
When, dish-shaped backboard is due to rigidity reinforced, stress is scattered, elastic buffer is improved and shape stability is also greatly improved, thus
Bearing capacity can be enhanced about more than once on the basis of common flat backboard.Because backboard almost carries whole fans loads, so
Dish is made in backboard can be more durable, and the wheel hub of truck is because with disc structure, bearing capacity strengthens, also more
It is durable.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is any to be familiar with sheet
The technical staff in field, in the case where not departing from technical solution of the present invention scope, all using the technology contents of the disclosure above
Many possible variations and modification are made to technical solution of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is all
It is the content without departing from technical solution of the present invention, any is simply repaiied to made for any of the above embodiments according to the technology of the present invention essence
Change, equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (7)
1. the rotation kiln system of a kind of drying of tail heat and air-introduced machine not laying dust, including rotary kiln, it is characterised in that：Rotary kiln is tilted
Arrangement, built-in combustion device, high-end one end with dryer of rotary kiln is bi-directionally connected by material blanking tube and airduct, is provided with dryer
Conveyer belt connects material blanking tube, and the other end of dryer is provided with wind stopping device；Provided with raised refractory slab in rotary kiln；The dryer
Connection wind stopping device below air-introduced machine, the exhaust outlet connection sack cleaner of air-introduced machine, cyclone dust collectors is connected through cyclone dust collectors,
Provided with the bucket that gathers dust below wind stopping device；The air-introduced machine includes draught fan impeller and casing, and draught fan impeller includes impeller backboard, impeller face
Plate and blade, blade arrangement is into impeller Axial and radial, centrosymmetric hollow wedge, and impeller backboard is dish；Hollow wedge blade
Connection impeller panel is simultaneously welded to form impeller bodies with dish-shaped impeller backboard；Impeller panel is provided with air inlet, dish-shaped impeller backboard
Fixed by rivet and connection shaft seat, axle bed is connected by axis hole with fan shaft；Casing is provided with air inlet and air-out
Mouthful, cabinet form contour line is involute, the round heart of involute and blower fan axis coinciding, and involute is opened on the inside of shell air outlet
Begin, line radius is gradually increased with involute circle, terminate to shell air outlet outside, shell air outlet width is justified equal to involute
Girth；Shell air inlet, which is provided with cover plate, cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axis coinciding；Institute
State in the low side connection insulation reaction bucket of rotary kiln, insulation reaction bucket connection chilling liquid pool, chilling liquid pool and be disposed with discharging band, go out
Material strip is supported by carrying roller.
2. the rotation kiln system of the drying of tail heat and air-introduced machine not laying dust according to claim 1, it is characterised in that：The burning
Device connects air shut-off valve and fuel control valve.
3. the rotation kiln system of the drying of tail heat and air-introduced machine not laying dust according to claim 1, it is characterised in that：The drying
Fan is provided with machine, is conducive to the drying of material.
4. the rotation kiln system of the drying of tail heat and air-introduced machine not laying dust according to claim 1, it is characterised in that：It is described to close wind
Device connects pan-pelletizer, pan-pelletizer connection blender.
5. the rotation kiln system of the drying of tail heat and air-introduced machine not laying dust according to claim 1, it is characterised in that：The projection
Refractory slab be trapezoidal or rectangle or triangle.
6. the rotation kiln system of the drying of tail heat and air-introduced machine not laying dust according to claim 1, it is characterised in that：The casing
It is fixed on support.
7. the rotation kiln system of the drying of tail heat and air-introduced machine not laying dust according to claim 1, it is characterised in that：The casing
Air intake velar plate is bolted to connection casing, and can dismantle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555181.9A CN105180645B (en) | 2015-09-05 | 2015-09-05 | A kind of rotation kiln system of the drying of tail heat and air-introduced machine not laying dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555181.9A CN105180645B (en) | 2015-09-05 | 2015-09-05 | A kind of rotation kiln system of the drying of tail heat and air-introduced machine not laying dust |
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| CN105180645A CN105180645A (en) | 2015-12-23 |
| CN105180645B true CN105180645B (en) | 2017-09-19 |
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| CN108571887A (en) * | 2017-08-16 | 2018-09-25 | 江苏安必信环保设备有限公司 | A kind of interior heat pipe rotary calciner |
| CN113137856B (en) * | 2021-05-12 | 2022-10-28 | 江苏惠然实业有限公司 | A energy-saving drying device of drying kiln for wet ore dehydration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR551607A (en) * | 1921-08-30 | 1923-04-10 | Anciens Etablissements Grouvel | Blade for centrifugal fan impeller |
| JP3184910B2 (en) * | 1993-05-18 | 2001-07-09 | 株式会社ジェ・シィ・エー | Activated carbon production equipment from waste tires |
| CN2758599Y (en) * | 2004-12-31 | 2006-02-15 | 北京中基绿谷生态科技有限公司 | Rotary kiln type incinerator for dangerous waste |
| KR100830565B1 (en) * | 2006-07-19 | 2008-05-22 | 아름다운 환경건설(주) | Apparatus for purifying contaminated soil, method therefor, pre-heater feeding device and rotary kiln type purifying device used to them |
| CN102439116A (en) * | 2009-05-14 | 2012-05-02 | 超技术股份有限公司 | Pyrolysis process and equipment for generating biomass charcoal and biomass energy |
| CN202109747U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Anti-bonding kiln roller |
| CN102661666A (en) * | 2012-04-20 | 2012-09-12 | 南京苏冶钙业技术有限公司 | Tail gas utilization method and tail gas utilization system of rotary lime kiln |
| CN204006029U (en) * | 2014-07-11 | 2014-12-10 | 浙江三联环保机械设备有限公司 | The comprehensive drying and incineration system of a kind of built-in mud |
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