CN105066606A - Waste heat drying rotary kiln - Google Patents
Waste heat drying rotary kiln Download PDFInfo
- Publication number
- CN105066606A CN105066606A CN201510555186.1A CN201510555186A CN105066606A CN 105066606 A CN105066606 A CN 105066606A CN 201510555186 A CN201510555186 A CN 201510555186A CN 105066606 A CN105066606 A CN 105066606A
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- China
- Prior art keywords
- rotary kiln
- dryer
- connects
- waste heat
- tail heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a waste heat drying rotary kiln which comprises a rotary kiln body. The rotary kiln body is arranged in an oblique mode and internally provided with a burner, the high end of the rotary kiln body is in both-way connection with one end of a dryer through a feeding pipe and an air pipe, the dryer is internally provided with a conveyor belt connected with the feeding pipe, and the other end of the dryer is provided with an air-lock valve; protruding refractory slabs are arranged in the rotary kiln body. According to the waste heat drying rotary kiln, by means of the protruding refractory slabs, the heat transfer area of the rotary kiln is increased, turning of materials is facilitated, rapid achievement of the reaction temperature is facilitated, and the heat efficiency is improved; by means of the dryer, the waste heat utilization is achieved, and forming and drying of globular materials are facilitated; the waste heat utilization and heat preservation consequent reactions of hot materials have the advantage of significantly saving the energy, rapid cooling is conducted on the globular materials through a liquid rapid cooling pool, a large amount of moisture can be evaporated during reaction, the environmental protection pressure caused by expansion of production liquid is effectively relieved, the waste heat drying rotary kiln is specially suitable for calcination processing of navajoite, and the application prospect is wide.
Description
Technical field
The present invention relates to a kind of rotary kiln, specifically refer to the rotary kiln that tail heat is dried.
Background technology
Rotary kiln due to adaptable, operating cost is low, reliability is strong, be one of the main preferred unit of mineral batching, balling-up, reaction and drying, be specially adapted to the processing calcination of navajoite.Rotary kiln needs consume fuel to keep the high temperature be applicable in kiln in the course of work, containing a large amount of heat energy and dust in the tail gas of thus rotary kiln discharge, needs to purify tail gas and tail heat recovery operation, realizes energy-saving and emission-reduction.
Rotary kiln is generally cylindrical shape, and thus the heat transfer area of material and kiln body is very little, causes the thermal efficiency not high.Therefore, if design thermal efficiency is high, tail recuperation of heat and good dedusting effect, material pass in and out smooth and that serialization degree is high rotary kiln, for realizing energy-saving and emission-reduction and increasing work efficiency all significant.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of simple and practical, the thermal efficiency is high, tail recuperation of heat passes in and out smoothness with good dedusting effect, material and the high rotary kiln of serialization degree.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
The rotary kiln that tail heat is dried, comprises rotary kiln, it is characterized in that: rotary kiln is in tilted layout, built-in combustion device, rotary kiln is high-end to be bi-directionally connected by material blanking tube and airduct with one end of dryer, and be provided with conveyer belt in dryer and connect material blanking tube, the other end of dryer is provided with wind stopping device; Protruding refractory slab is provided with in rotary kiln.
Described burner connects air shut-off valve and fuel control valve.
Be provided with fan in described dryer, be conducive to the drying of material.
Described wind stopping device connects pan-pelletizer, and pan-pelletizer connects blender.
The low side of described rotary kiln connects insulation reaction bucket, and insulation reaction bucket connects chilling liquid pool, is furnished with out material strip in chilling liquid pool, goes out material strip roller of being commissioned and supports.
Described dryer connects air-introduced machine through cyclone dust collectors, and the exhaust outlet of air-introduced machine connects sack cleaner, connects wind stopping device, be provided with the bucket that gathers dust below wind stopping device below cyclone dust collectors.
The refractory slab of described projection is trapezoidal or rectangle or triangle.
Rotary kiln is the core component of system, and general structure is all steel cylinder internal fixtion refractory insulating layer, in the design by the refractory slab of projection can continuously, interruption, length, the multiple combination form such as uniform form firmly in steel cylinder refractory material overall.
Arrange burner in rotary kiln, burner connects air shut-off valve and fuel control valve, and fuel can be the coal dust that coal gas may also be compressed air delivery and comes in, ejection burning in burner.
Mineral powder mixes in blender, export and carry out granulation at pan-pelletizer, dryer is entered by wind stopping device, in dryer, material is carried from left to right by conveyer belt, carry out counter-current drying and the pre-heat treatment with tail gas stream from right to left, fan can penetrate material by strengthening flow, strengthens drying and preheating effect, spherical material through the pre-heat treatment can be fallen into rotary kiln by material blanking tube, and tracheae realizes air-flow conducting; Combustion gas is move from left to right in rotary kiln, to move from right to left formation countercurrent flow, realize high-temperature process with material.
Rotary kiln has suitable inclination angle, control certain rotating speed rotate, material can realize controlled by high-end to low end motion, complete operation, protruding refractory slab can grasp material simultaneously, promotes material turning, greatly increase flame heating surface (area) (HS simultaneously, be conducive to reaching reaction temperature fast, raise the efficiency.
Export to low side after spherical material pyroreaction, enter insulation reaction bucket, proceed residual heat high-temperature subsequent reactions, material strip is furnished with out in chilling liquid pool, can being reactant liquor in chilling pond, ball material being cooled rapidly and reacts, entering chilling liquid pool by controlling out material strip motion from the output of insulation reaction bottom of the barrel, carrying roller can effectively improve the bearing capacity material strip, exports just can enter lower step treatment process to solidliquid mixture in pond.
Tail gas exports connection cyclone separator by dryer by left end and completes dedusting and output, and central tube exports dedusting gas and connects air-introduced machine, and air-introduced machine outlet connects sack cleaner and realizes final dusting.
Compared with prior art, beneficial effect of the present invention is also:
Protruding refractory slab adds the heat transfer area of rotary kiln, promotes material turning, is conducive to reaching reaction temperature fast, improves the thermal efficiency; Dryer realizes tail heat utilization, is conducive to the shaping and dry of spherical material; Tail heat utilization and thermal material are incubated subsequent reactions and have remarkable characteristics of energy saving, chilling liquid pool cools rapidly to ball material, react and can evaporate large quantity of moisture, effective environmental protection pressure alleviated production liquid and expand, is particularly suitable for the calcination processing of navajoite, has a extensive future.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present invention.
Fig. 2 is the cross section structure schematic diagram of rotary kiln.
In figure, each label represents:
A, air-introduced machine; 1, rotary kiln; 2, insulation reaction bucket; 3, material strip is gone out; 4, chilling liquid pool; 5, protruding refractory slab (trapezoidal); 6, burner; 7, flame; 8, cyclone dust collectors; 9, airduct; 10, sack cleaner; 11, wind stopping device; 12, pan-pelletizer; 13, blender; 14, conveyer belt; 15, fan; 16, dryer, 17, tracheae; 18, material blanking tube; 19, air shut-off valve; 20, fuel control valve; 21, spherical material; 22, carrying roller; 23, gather dust bucket.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
The rotary kiln of tail heat oven dry as depicted in figs. 1 and 2, comprise rotary kiln 1, rotary kiln 1 is in tilted layout, built-in combustion device 6, rotary kiln 1 is high-end to be bi-directionally connected by material blanking tube 18 and airduct 17 with one end of dryer 16, be provided with conveyer belt 14 in dryer 16 and connect material blanking tube 18, the other end of dryer 16 is provided with wind stopping device 11; Protruding refractory slab 5 is provided with in rotary kiln 1.
Described burner 6 connects air shut-off valve 19 and fuel control valve 20.
Be provided with fan 15 in described dryer 16, be conducive to the drying of material.
Described wind stopping device 11 connects pan-pelletizer 12, and pan-pelletizer 12 connects blender 13.
The low side of described rotary kiln 1 connects insulation reaction bucket 2, and insulation reaction bucket 2 connects chilling liquid pool 4, is furnished with out material strip 3 in chilling liquid pool 4, goes out material strip 3 and supports 22 by carrying roller.
Described dryer 16 connects air-introduced machine A through cyclone dust collectors 8, and the exhaust outlet of air-introduced machine A connects sack cleaner 10, connects wind stopping device 11, be provided with the bucket 23 that gathers dust below wind stopping device 11 below cyclone dust collectors 8.
The refractory slab of described projection is trapezoidal or rectangle or triangle.
Rotary kiln 1 is the core component of system, and general structure is all steel cylinder internal fixtion refractory insulating layer, in the design by the refractory slab 5 of projection can continuously, interruption, length, the multiple combination form such as uniform form firmly in steel cylinder refractory material overall.
Arrange burner 6 in rotary kiln 1, burner 6 connects air shut-off valve 19 and fuel control valve 20, and fuel can be the coal dust that coal gas may also be compressed air delivery and comes in, and burner 6 in, ejection is burnt.
Mineral powder mixes in blender 13, export and carry out granulation at pan-pelletizer 12, dryer 16 is entered by wind stopping device 11, in dryer, material is carried from left to right by conveyer belt 14, carry out counter-current drying and the pre-heat treatment with tail gas stream from right to left, fan 15 can penetrate material by strengthening flow, strengthens drying and preheating effect, spherical material 21 through the pre-heat treatment can be fallen into rotary kiln 1 by material blanking tube 18, and tracheae realizes 17 air-flow conductings; Combustion gas is move from left to right in rotary kiln 1, to move from right to left formation countercurrent flow, realize high-temperature process with material.
Rotary kiln 1 has suitable inclination angle, control certain rotating speed to rotate, material can realize controlled by high-end to low end motion, complete operation simultaneously, protruding refractory slab 5 can grasp material, promotes material turning, greatly increases flame heating surface (area) (HS simultaneously, be conducive to reaching reaction temperature fast, raise the efficiency.
Export to low side after spherical material 21 pyroreaction, enter insulation reaction bucket 2, proceed residual heat high-temperature subsequent reactions, material strip 3 is furnished with out in chilling liquid pool 4, can be reactant liquor in chilling pond 4, ball material is cooled rapidly and reacts, by control out material strip 3 move bottom insulation reaction bucket 2 export enter chilling liquid pool 4, carrying roller 22 can effectively improve the bearing capacity material strip 3, exports just can enter lower step treatment process to solidliquid mixture in pond.
Tail gas exports connection cyclone separator 8 by dryer 16 by left end and completes dedusting and output, and central tube exports dedusting gas and connects air-introduced machine A, and air-introduced machine A outlet connects sack cleaner 10 and realizes final dusting.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (7)
1. a rotary kiln for tail heat oven dry, comprises rotary kiln, it is characterized in that: rotary kiln is in tilted layout, built-in combustion device, rotary kiln is high-end to be bi-directionally connected by material blanking tube and airduct with one end of dryer, and be provided with conveyer belt in dryer and connect material blanking tube, the other end of dryer is provided with wind stopping device; Protruding refractory slab is provided with in rotary kiln.
2. the rotary kiln of tail heat oven dry according to claim 1, is characterized in that: described burner connects air shut-off valve and fuel control valve.
3. the rotary kiln of tail heat oven dry according to claim 1, is characterized in that: be provided with fan in described dryer, is conducive to the drying of material.
4. the rotary kiln of tail heat oven dry according to claim 1, it is characterized in that: described wind stopping device connects pan-pelletizer, pan-pelletizer connects blender.
5. the tail heat rotary kiln of drying according to claim 1, it is characterized in that: the low side of described rotary kiln connects insulation reaction bucket, insulation reaction bucket connects chilling liquid pool, is furnished with out material strip in chilling liquid pool, goes out material strip roller of being commissioned and supports.
6. the rotary kiln of tail heat oven dry according to claim 1, is characterized in that: described dryer connects air-introduced machine through cyclone dust collectors, and the exhaust outlet of air-introduced machine connects sack cleaner, connects wind stopping device, be provided with the bucket that gathers dust below wind stopping device below cyclone dust collectors.
7. the tail heat rotary kiln of drying according to claim 1, is characterized in that: the refractory slab of described projection is trapezoidal or rectangle or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555186.1A CN105066606A (en) | 2015-09-05 | 2015-09-05 | Waste heat drying rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555186.1A CN105066606A (en) | 2015-09-05 | 2015-09-05 | Waste heat drying rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105066606A true CN105066606A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510555186.1A Pending CN105066606A (en) | 2015-09-05 | 2015-09-05 | Waste heat drying rotary kiln |
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| CN (1) | CN105066606A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673534A (en) * | 2016-03-05 | 2016-06-15 | 吉首大学 | Compounding, dedusting and pumping system for manganese mineral powder and sulfuric acid reaction |
| CN105673568A (en) * | 2016-03-05 | 2016-06-15 | 吉首大学 | Exhaust heat drying rotary kiln with induced draft fan convenient to disassemble |
| CN105715588A (en) * | 2016-03-05 | 2016-06-29 | 吉首大学 | Bag dust removal type tail heat drying rotary kiln with induced draft fan being convenient to disassemble |
| CN107185339A (en) * | 2017-06-02 | 2017-09-22 | 江阴市红柳被单厂有限公司 | Sizing oil smoke high-efficient treatment device and processing method that a kind of antistatic is produced |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101403506A (en) * | 2008-08-29 | 2009-04-08 | 南京苏冶钙业技术有限公司 | Calcium carbide stove exhaust combustion and utilization method and device |
| CN201476541U (en) * | 2009-09-10 | 2010-05-19 | 沈阳铝镁设计研究院 | System for two-stage petroleum coke calcination of rotary kiln |
| 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 |
| CN202470658U (en) * | 2012-03-14 | 2012-10-03 | 煤炭工业济南设计研究院有限公司 | Low temperature waste heat coal slurry drying device |
| CN203558974U (en) * | 2013-11-05 | 2014-04-23 | 米长山 | Rotary kiln for producing active lime |
| CN103880302A (en) * | 2014-02-21 | 2014-06-25 | 米长山 | Technique method for producing active lime |
| 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 |
-
2015
- 2015-09-05 CN CN201510555186.1A patent/CN105066606A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101403506A (en) * | 2008-08-29 | 2009-04-08 | 南京苏冶钙业技术有限公司 | Calcium carbide stove exhaust combustion and utilization method and device |
| CN201476541U (en) * | 2009-09-10 | 2010-05-19 | 沈阳铝镁设计研究院 | System for two-stage petroleum coke calcination of rotary kiln |
| CN202470658U (en) * | 2012-03-14 | 2012-10-03 | 煤炭工业济南设计研究院有限公司 | Low temperature waste heat coal slurry drying device |
| 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 |
| CN203558974U (en) * | 2013-11-05 | 2014-04-23 | 米长山 | Rotary kiln for producing active lime |
| CN103880302A (en) * | 2014-02-21 | 2014-06-25 | 米长山 | Technique method for producing active lime |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673534A (en) * | 2016-03-05 | 2016-06-15 | 吉首大学 | Compounding, dedusting and pumping system for manganese mineral powder and sulfuric acid reaction |
| CN105673568A (en) * | 2016-03-05 | 2016-06-15 | 吉首大学 | Exhaust heat drying rotary kiln with induced draft fan convenient to disassemble |
| CN105715588A (en) * | 2016-03-05 | 2016-06-29 | 吉首大学 | Bag dust removal type tail heat drying rotary kiln with induced draft fan being convenient to disassemble |
| CN107185339A (en) * | 2017-06-02 | 2017-09-22 | 江阴市红柳被单厂有限公司 | Sizing oil smoke high-efficient treatment device and processing method that a kind of antistatic is produced |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20151118 |