CN109870024A - A method of it is burned using energy-saving rotary kiln - Google Patents
A method of it is burned using energy-saving rotary kiln Download PDFInfo
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- CN109870024A CN109870024A CN201711248129.4A CN201711248129A CN109870024A CN 109870024 A CN109870024 A CN 109870024A CN 201711248129 A CN201711248129 A CN 201711248129A CN 109870024 A CN109870024 A CN 109870024A
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Incineration Of Waste (AREA)
Abstract
The invention discloses a kind of methods burned using energy-saving rotary kiln, energy-saving rotary kiln include mounting base and be horizontally set in mounting base by device for revolving and driving drive kiln body, the kiln body includes kiln cylinder, the Qian Yaogai and Hou Yaogai for being set to kiln cylinder both ends, the preceding kiln, which covers, is provided with feed inlet and air inlet, kiln is covered equipped with discharge port after described, and the upper and lower two sides of kiln cylinder inner wall are evenly arranged with a plurality of lifting blades；Induction refining is passed through in kiln cylinder through feed inlet, controlling temperature in kiln cylinder is 500 DEG C -900 DEG C, and oxygen is passed through into kiln cylinder with the rate of 1L/min-2L/min by air inlet while Induction refining burning, and burn 1h-2h, and the Induction refining after burning is discharged by discharge port；Kiln cylinder is horizontally arranged by energy-saving rotary kiln used in incinerating method of the invention, reduces the occupied space of kiln cylinder, meanwhile, it is provided with lifting blade in kiln cylinder, so that material is full of entire kiln cylinder, material burning is more complete.
Description
Technical field
The present invention relates to nonferrous metallurgy field more particularly to a kind of methods burned using energy-saving rotary kiln.
Background technique
Under normal circumstances, in order to effectively regenerate and recycle the Induction refining of chemical field, needing will be organic in Induction refining
The substances such as matter, coking carry out burning disposal, and burning disposal is entire waste catalyst regneration and one extremely crucial in removal process
Processing links, and shorten the return period of valuable metal, improve an important step of valuable metal recovery efficiency.It is most of
Later separation, refining process containing valuable metal materials are required to first effectively be burnt the waste material containing valuable metal
It burns to remove organic matter in material, so that the valuable metal contained by it be made effectively to be leached, be separated, obtains pure valuable gold
Belong to.It is more stable in view of the performances such as organic matter, coking in Induction refining, there is very strong burning inertia, seriously constrain subsequent
Treatment effeciency.Therefore, the firing efficiency for improving Induction refining, regeneration to Induction refining and the wherein recycling of valuable metal have weight
The meaning wanted.
In recent years, due to the shortage of domestic Precious Metals Resources and the increase of dosage, people increasingly pay attention to returning from waste material
The efficiency of valuable metal is received, but the Ore Leaching of valuable metal can be hampered to some extent containing the organic matter in valuable scrap metal
And refining process, therefore many people have carried out a large amount of research to the incinerating method of valuable metal waste material.Currently associated burning side
Method includes outdoor unlimited burning, the burning of pellet type pyrolysis oven, common rotary kiln incineration.Outdoor unlimited burning investment is minimum, burns
Cost is minimum, but larger to surrounding enviroment pollution, and operating process is extensive, and precious metal losses are larger, and the rate of recovery is lower；Pellet type
Pyrolysis oven burns, and investment is smaller, but burns higher cost, and material is that static state is burned, and the burning time is long, and production efficiency is low；
Common rotary kiln incineration, investment is larger, and burning cost is also very high, and the material burning time is very long, and production capacity is small, and production efficiency is very low.
Certain drawbacks are all had in noble metal remanufacture in view of above-mentioned burning process method, therefore, it is necessary to open
Send out a kind of burning process method efficiently, economic, environmentally friendly.
Summary of the invention
In order to solve the problems, such as that the existing burning process method burning time is long, production capacity is small, production efficiency is low, mesh of the invention
Be to provide a kind of method burned using energy-saving rotary kiln.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of burned using energy-saving rotary kiln
Method, energy-saving rotary kiln include mounting base and be horizontally set in mounting base by device for revolving and driving drive kiln body,
The kiln body includes kiln cylinder, the Qian Yaogai and Hou Yaogai for being set to kiln cylinder both ends, the preceding kiln cover be provided with feed inlet and into
Port, the rear kiln are covered equipped with discharge port, and the upper and lower two sides of kiln cylinder inner wall are evenly arranged with a plurality of lifting blades；
Induction refining is passed through in kiln cylinder through feed inlet, controlling temperature in kiln cylinder is 500 DEG C -900 DEG C, while Induction refining burning
Oxygen is passed through into kiln cylinder with the rate of 1L/min-2L/min by air inlet, burn 1h-2h, and the Induction refining after burning passes through
Discharge port discharge.
Material enters kiln cylinder by feed inlet, and kiln body rotation drives the rotation of kiln cylinder, and the material in kiln cylinder rotates with it,
When material and lifting blade contact, lifting blade raises material, and lifting blade of the material through each region raises repeatedly, so that material
Full of kiln cylinder, guarantee the uniformity of the material in kiln cylinder；It constantly is passed through oxygen into kiln cylinder while material burning, is passed through
The rate that control oxygen is passed through, guarantees the full combustion of material, while the efficiency of combustion of material also increases accordingly.
Wherein, the energy-saving rotary kiln further includes the combustion chamber being vertically arranged, the top setting first of the combustion chamber
Air outlet is arranged in the bottom end of air inlet, the combustion chamber, and the preceding kiln, which covers, is provided with the second air inlet, and the air outlet passes through
Discharge pipe is connected to the second air inlet.
Combustion chamber is placed using vertical, so that indoor dust natural subsidence of burning, without influencing normal combustion；It fires simultaneously
House dust natural subsidence is burnt, the generation of dust in kiln body is reduced.
Wherein, blower is provided between the air outlet and the second air inlet.
The setting of blower can be accelerated to go out airspeed in combustion chamber, and a large amount of hot wind enters in kiln cylinder, promotes object in kiln
Material burns more abundant.
Wherein, be provided with backwind tube in the kiln cylinder, the arrival end of the backwind tube closely after at kiln lid, the backwind tube is worn
Kiln discharge cylinder, nearby at kiln lid, the backwind tube connects the first air inlet of combustion chamber by blast pipe for outlet end.
Backwind tube is set in kiln cylinder, and the hot wind of backwind tube discharge comes back to combustion chamber and heated, for kiln cylinder
Secondary use；Combustion chamber is connect with kiln cylinder by backwind tube, backwind tube, combustion chamber, kiln cylinder constitute enclosed system, reduce heat
Loss, while the emission-free discharge of kiln cylinder reduces pollution on the environment.
Wherein, deduster is provided between the outlet end and blast pipe of the backwind tube.
Preferably, the deduster is cyclone dust collectors.
The hot wind of backwind tube recycling is dusted processing by deduster, increases the collection efficiency for burning dust, avoids
Dust accumulation influences outlet air.
Wherein, temperature sensor and pressure sensor are provided on the kiln cylinder.
Temperature sensor, pressure sensor carry out temperature and pressure monitoring to kiln cylinder respectively, guarantee the normal use of kiln cylinder,
It avoids temperature, pressure from not reaching requirement, influences efficiency of combustion, or even damage is brought to kiln cylinder.
Wherein, a plurality of prismatic protrusions are set side by side on the lifting blade.
During lifting blade raises material in kiln cylinder, material collides with prismatic protrusion, and prismatic protrusion is to object
Material generate cutting, material dispersion it is more uniform.
Wherein, dispenser is set on the outside of the kiln body, the dispenser connects feed inlet by feed pipe.
Preferably, the dispenser is rotary dispenser.
Preferably, temperature is 550 DEG C -750 DEG C in the kiln cylinder.
When temperature is lower than 550 DEG C in kiln cylinder, coking in Induction refining is not easy to be incinerated completely and bring residual, after influencing
Continuous processing；When temperature is higher than 750 DEG C in kiln cylinder, it will cause certain ingredients in Induction refining and melting or lattice transition occur, equally
It will cause subsequent treatment process to be unable to complete successfully.
Preferably, the rate that oxygen is passed through into kiln cylinder is 1 L/min-1.5 L/min.
When being passed through the rate of oxygen lower than 1 L/min, it is unable to satisfy the demand that material burns to oxygen in kiln cylinder；When logical
When entering the rate of oxygen higher than 1.5 L/min, oxygen is excessive, results in waste of resources.
Preferably, the material is Induction refining.
The material burned can be Induction refining, be also possible to other combustible materials.
Compared with prior art, the present invention realize the utility model has the advantages that energy-saving time used in incinerating method of the invention
Kiln cylinder is horizontally arranged by rotary kiln, reduces the occupied space of kiln cylinder, meanwhile, it is provided with lifting blade in kiln cylinder, so that material is full of whole
A kiln cylinder, material burning is more complete, improves the rate of recovery of valuable metal；Incinerating method of the invention is set in kiln cylinder outside upright
It is equipped with combustion chamber, combustion chamber is vertically arranged, convenient for the natural subsidence of dust；Return air is arranged in kiln cylinder in incinerating method of the invention
Pipe, the input end of backwind tube closely after kiln lid, backwind tube is pierced by kiln cylinder, outlet end nearby kiln lid, the of backwind tube and combustion chamber
One air inlet is connected, by backwind tube by kiln cylinder and combustion chamber, so that kiln cylinder and the indoor hot wind that burns are in confined air
Between recycle, reduce thermal loss；The rate that incinerating method of the invention is passed through by temperature in control kiln cylinder and oxygen, so that object
Expect full combustion, improves the rate of recovery of valuable metal.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, present invention be described in more detail:
Fig. 1 is the structural schematic diagram of energy-saving rotary kiln in incinerating method of the invention；
Fig. 2 is the structural schematic diagram of lifting blade in incinerating method of the invention.
Wherein: mounting base 1, kiln body 2, kiln cylinder 3, preceding kiln lid 4, rear kiln lid 5, feed inlet 6, discharge port 7, lifting blade 8, feed
Device 9, combustion chamber 10, the first air inlet 11, air outlet 12, backwind tube 13, deduster 14, blower 15, prismatic protrusion 16.
Specific embodiment
Such as Fig. 1, a kind of energy-saving rotary kiln including mounting base 1 and is horizontally set on being filled in mounting base 1 by revolution driving
The kiln body 2 of driving is set, kiln body 2 includes kiln cylinder 3, the preceding kiln lid 4 and rear kiln lid 5 for being set to 3 both ends of kiln cylinder, is arranged on preceding kiln lid 4
There is feed inlet 6, rear kiln lid 5 is equipped with discharge port 7, and the upper and lower two sides of 3 inner wall of kiln cylinder are uniformly arranged on a plurality of lifting blades 8.Kiln body
Dispenser 9 is arranged in 2 outsides, and dispenser 9 is rotary dispenser, and dispenser 9 connects feed inlet 6 by feed pipe.Energy-saving time
Rotary kiln further includes the combustion chamber 10 being vertically arranged, and the first air inlet 11 is arranged in the top of combustion chamber 10, and the bottom end of combustion chamber 10 is set
Air outlet 12 is set, the second air inlet is set on preceding kiln lid 4, the second air inlet before air outlet 12 is connected to by discharge pipe on kiln lid 4
Mouthful, blower 15 is provided between air outlet 12 and the second air inlet.Backwind tube 13, the entrance of backwind tube 13 are provided in kiln cylinder 3
After end is close 5 at kiln lid, backwind tube 13 is pierced by kiln cylinder 3, and nearby at kiln lid 4, backwind tube 13 is connected by blast pipe to be fired for outlet end
The first air inlet 11 for burning room 10, is provided with deduster 14 between the outlet end and blast pipe of backwind tube 13.
Such as Fig. 2,6 prismatic protrusions 16 are set side by side on lifting blade 8.
Utilize the method that above-mentioned energy-saving rotary kiln carries out Induction refining burning: firstly, leading to by feed inlet 6 into kiln cylinder 3
Enter Induction refining, controlling temperature in kiln cylinder 3, at 500-900 DEG C, Induction refining starts to burn, in Induction refining combustion process, by into
Port is passed through oxygen into kiln cylinder 3, and the rate that is passed through of oxygen is 1L/min-2L/min, and burn 1h-2h, completes the complete of Induction refining
Full burning.
The course of work: being fed by dispenser 9 into kiln cylinder 3, and kiln body 2 rotates, and material rotates with it in kiln cylinder 3, works as chance
When to lifting blade 8, material is raised and is fallen therewith, and material constantly carries out raising operation during rotation, so that material fills
Full entire kiln cylinder space；In 2 rotation process of kiln body, the hot wind that combustion chamber 10 generates from top to bottom enters air outlet 12, through going out
Air hose is passed through kiln cylinder 3, realizes the burning of material, in combustion or after burning, hot wind returns to material through backwind tube 13
Combustion chamber 10.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing made by the spirit according to disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (10)
1. a kind of method burned using energy-saving rotary kiln, which is characterized in that energy-saving rotary kiln includes mounting base (1)
Be horizontally set on mounting base (1) by device for revolving and driving drive kiln body (2), the kiln body (2) include kiln cylinder (3),
It is set to the Qian Yaogai (4) and rear kiln lid (5) at kiln cylinder (3) both ends, is provided with feed inlet (6) and air inlet on the preceding kiln lid (4)
Mouthful, the rear kiln lid (5) is equipped with discharge port (7), and the upper and lower two sides of kiln cylinder (3) inner wall are evenly arranged with a plurality of liftings
Plate (8)；
Material is passed through in kiln cylinder (3) through feed inlet (6), control kiln cylinder (3) interior temperature is 500 DEG C -900 DEG C, is burnt in material
While by air inlet with the rate of 1L/min-2L/min to oxygen is passed through in kiln cylinder (3), burn 1h-2h, the object after burning
Material is discharged by discharge port (7).
2. the method burned as described in claim 1 using energy-saving rotary kiln, which is characterized in that the kiln body (2)
Combuster (10) are arranged in outside upright, and the first air inlet (11) are arranged in the top of the combustion chamber (10), the combustion chamber
(10) air outlet (12) are arranged in bottom end, the second air inlet are provided on the preceding kiln lid (4), the air outlet (12) is by going out
Air hose is connected to the second air inlet.
3. the method burned as claimed in claim 2 using energy-saving rotary kiln, which is characterized in that the air outlet
(12) blower (15) are provided between the second air inlet.
4. the method burned as claimed in claim 2 using energy-saving rotary kiln, which is characterized in that the kiln cylinder (3)
It is inside provided with backwind tube (13), at the closely rear kiln lid (5) of the arrival end of the backwind tube (13), the backwind tube (13) is pierced by kiln cylinder
(3), nearby at kiln lid (4), the backwind tube (13) passes through the first air inlet of blast pipe connection combustion chamber (10) for outlet end
(11).
5. the method burned as claimed in claim 4 using energy-saving rotary kiln, which is characterized in that the backwind tube
(13) deduster (14) are provided between outlet end and blast pipe.
6. the method as described in any one in claim 1-5 burned using energy-saving rotary kiln, which is characterized in that described
It is raised (16) that a plurality of prismatic are set side by side on lifting blade (8).
7. the method as described in any one in claim 1-5 burned using energy-saving rotary kiln, which is characterized in that described
Dispenser (9) are set on the outside of kiln body (2), the dispenser (9) connects feed inlet (6) by feed pipe.
8. the method as claimed in claims 1-5 burned using energy-saving rotary kiln, which is characterized in that the kiln cylinder
(3) interior temperature is 550 DEG C -750 DEG C.
9. the method as claimed in claims 1-5 burned using energy-saving rotary kiln, which is characterized in that kiln cylinder (3)
The rate for being inside passed through oxygen is 1 L/min-1.5 L/min.
10. the method as claimed in claims 1-5 burned using energy-saving rotary kiln, which is characterized in that the material
For Induction refining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248129.4A CN109870024A (en) | 2017-12-01 | 2017-12-01 | A method of it is burned using energy-saving rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248129.4A CN109870024A (en) | 2017-12-01 | 2017-12-01 | A method of it is burned using energy-saving rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109870024A true CN109870024A (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711248129.4A Pending CN109870024A (en) | 2017-12-01 | 2017-12-01 | A method of it is burned using energy-saving rotary kiln |
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| Country | Link |
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| CN (1) | CN109870024A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970105A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Hazardous waste incineration system and hazardous waste incineration method based on air inlet of lifting plate |
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| CN201522188U (en) * | 2009-11-13 | 2010-07-07 | 宁夏华亿镁业股份有限公司 | Flame-isolated rotary kiln for calcining dolomite |
| CN102796865A (en) * | 2012-08-10 | 2012-11-28 | 江西稀有稀土金属钨业集团有限公司 | Device and technology for oxygen-enriched roasting of molybdenum sulfide concentrate |
| CN103288328A (en) * | 2013-06-27 | 2013-09-11 | 江苏科宝机械制造有限公司 | Method and equipment for drying and incinerating PTA (purified terephthalic acid) activated sludge |
| CN105021029A (en) * | 2015-07-29 | 2015-11-04 | 梧州市渝鑫稀贵金属有限公司 | Rotary kiln |
| CN105090993A (en) * | 2014-07-11 | 2015-11-25 | 浙江三联环保机械设备有限公司 | Built-in comprehensive drying and incinerating system for sludge and drying and incinerating method for sludge |
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2017
- 2017-12-01 CN CN201711248129.4A patent/CN109870024A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522188U (en) * | 2009-11-13 | 2010-07-07 | 宁夏华亿镁业股份有限公司 | Flame-isolated rotary kiln for calcining dolomite |
| CN102796865A (en) * | 2012-08-10 | 2012-11-28 | 江西稀有稀土金属钨业集团有限公司 | Device and technology for oxygen-enriched roasting of molybdenum sulfide concentrate |
| CN103288328A (en) * | 2013-06-27 | 2013-09-11 | 江苏科宝机械制造有限公司 | Method and equipment for drying and incinerating PTA (purified terephthalic acid) activated sludge |
| CN105090993A (en) * | 2014-07-11 | 2015-11-25 | 浙江三联环保机械设备有限公司 | Built-in comprehensive drying and incinerating system for sludge and drying and incinerating method for sludge |
| CN105021029A (en) * | 2015-07-29 | 2015-11-04 | 梧州市渝鑫稀贵金属有限公司 | Rotary kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970105A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Hazardous waste incineration system and hazardous waste incineration method based on air inlet of lifting plate |
| CN113970105B (en) * | 2020-07-22 | 2023-06-23 | 中冶长天国际工程有限责任公司 | Dangerous waste incineration system and dangerous waste incineration method based on air inlet of lifting plate |
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Application publication date: 20190611 |