CN104482550B - Method and system for processing and utilizing phenol water through rotary kiln - Google Patents
Method and system for processing and utilizing phenol water through rotary kiln Download PDFInfo
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- CN104482550B CN104482550B CN201510003037.4A CN201510003037A CN104482550B CN 104482550 B CN104482550 B CN 104482550B CN 201510003037 A CN201510003037 A CN 201510003037A CN 104482550 B CN104482550 B CN 104482550B
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- phenol water
- rotary kiln
- jet pipe
- kiln
- phenol
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/101—Waste liquor
-
- 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
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a method and system for processing and utilizing phenol water through a rotary kiln. Firstly, a spraying pipe is installed in a kiln head of the rotary kiln and connected to a phenol water tank through a pipeline and a pump, the spraying pipe is provided with water spraying holes spraying water upwards, the phenol water falls onto sintered articles discharged out of the rotary kiln after being sprayed out and atomized so that phenol water mixed steam can be formed, under the driving of negative-pressure airflow, in the forward direction, the phenol water mixed steam sequentially passes through a cooling zone, a sintering zone and a preheating zone in the kiln, and finally, the phenol water mixed steam is discharged. The phenol water is processed under the high-temperature environment of the rotary kiln, and the cooling problem of the sintered articles is solved.
Description
Technical field
The present invention relates to phenol water innoxious process for treating field, specifically a kind of phenol water disposal and utilization
Method and system.
Background technology
Commercial production utilizes gas generator can produce a large amount of phenol water when providing coal gas, be mainly derived from cold
But the washings and in purification course of gas and the condensed water in phenol.In phenol water containing phenol, ammonia, cyanide,
The composition such as sulfide, tar.Growing amount containing phenol condensed water depends on gasification ature of coal and the gasification used
Technique.Phenol water has strong impulse stink, poisonous and harmful, pollutes environment.Employing two section type mixes
Gas generator, can separate recycling, even if passing through the tar of association, phenol water in Gas Production
Phenol water secondary returning use, the phenol water yield is greatly reduced by concentration, but still also needs to process.
Therefore phenol water exists in a large number as a kind of industrial by-products.
Processing method for phenol water is varied, mainly have steam chemical method, evaporation dephenolize method, biochemistry,
Extraction, absorption and burning method etc..
Wherein, steam chemistry dephenolize method is to heat phenol water with high-temperature steam, and the phenol in phenol water is evaporated
Generated sodium phenolate by alkali liquor absorption afterwards, and realize dephenolize.This method steam consumption quantity is big, and dephenolize is incomplete.
Steam dephenolize method be also by phenol-containing wastewater heating make phenol evaporate, then will contain phenol steam be passed through send out
Raw stove furnace bottom is mixed in air and uses as gasifying agent, and phenol is able in producer burning and eliminates.This method is only
Can be relatively effective to low boiling phenol component, and need special heating politics and law equipment, energy consumption is the highest.
Burning method is that phenol-containing wastewater is sprayed into incinerator special, and under the high temperature of about 1100 DEG C, phenols has
Machine thing generation oxidation reaction is converted into nontoxic CO2And H2O discharges, and this method technique is simple, but incinerator energy
Consume bigger;If additionally, incinerator goes out the situation of ready-made incomplete combustion, secondary pollution can be formed.
Rotary kiln refers to rotary calcining kiln, belongs to building equipment class.Rotary kiln can divide by processing material difference
For cement kiln, chemical metallurgy kiln and limekiln.Cement kiln is mainly used in calcination of cement clinker, and point dry method is raw
Produce cement kiln and the big class of wet production cement kiln two.Chemical metallurgy kiln is then mainly used in metallurgy industry steel plant
Lean iron ore magnetic roasting;Chromium, josephinite oxidizing roasting;Refractory factory roasting high-aluminium vanadine ore deposit and aluminium manufacturer
Roasting grog, aluminium hydroxide;The class mineral such as chemical plant roasting chrome ore and chromite ore fine.Limekiln is (the most alive
Property limekiln) for roasting steel plant, the active lime of ferroalloy works and light dolomite.
Summary of the invention
It is an object of the invention to provide a kind of method utilizing rotary kiln to carry out phenol water disposal and utilization and be
System, first has to the process utilizing the hot environment of rotary kiln to realize phenol water, secondly can solve burned material
Cooling problem, solves phenol water disposal and a double technique difficult problem for burned material cooling.
The present invention solves its technical problem and is adopted the technical scheme that:
A kind of method utilizing rotary kiln to carry out phenol water disposal and utilization, comprises the following steps:
Step one, at an internally installed jet pipe at rotary kiln end position, described jet pipe by pipeline and
Pump is connected to a phenol water pot, and described jet pipe has the hole for water spraying upwards sprayed,
Step 2, beats phenol water to fall in rotary kiln to jet pipe and after spraying atomization by the pumping of electrodynamic pump
In the burned material (material levigate after needing cooling such as flint clay, clinker etc.) discharged, burning till
Under the effect of thing waste heat, the evaporation of phenol water forms phenol water mixed vapour, and described phenol water mixed vapour is negative in kiln
Cooling zone, clinkering zone and the preheating zone in kiln is sequentially passed through forward, through fully burning under the drive of pressure gas stream
After empty with rotary kiln flue gas.
Further, described electronic pumping atomizing pressure is not less than 1kg.
Usually, described burned material temperature before spray phenol water is not less than 120 DEG C, preferably 500-1100oC。
Most preferably, described burned material temperature before spray phenol water is not less than 1100 DEG C.
In step one, described jet pipe selection steel pipe, tail seal, and by caudal 1/3rd
The upper average 2cm of Duan Guanbi makes a hole footpath about 2mm and the hole for water spraying arranged upward.
Phenol water consumption adjusts according to load and temperature and intensity of cooling, material phenol water 0.5 the most per ton~
30kg,
A kind of system utilizing rotary kiln to carry out phenol water disposal and utilization, including rotary kiln, electrodynamic pump, phenol
Water pot, pipeline and jet pipe, it is characterised in that a jet pipe is arranged on the inside at described rotary kiln end position
In cavity, and described jet pipe is connected to a phenol water pot by pipeline and pump, described jet pipe has and upwards sprays
Hole for water spraying.
Further, described electronic pumping atomizing pressure is not less than 1kg.
Further, described jet pipe gos deep into cooling end 2~3m in kiln,
Further, steel pipe selected by described jet pipe, for the straight tube of level, tail seal, and is leaning on
On caudal 1/3rd sections of tube walls, average 2cm makes a hole footpath about 2mm and the hole for water spraying arranged upward.
The invention has the beneficial effects as follows:
By rotary kiln is applied in phenol water disposal, steam dephenolize method and burning method are united two into one, knot
Close the two advantage, overcome the two shortcoming;Phenol water not only fully efficiently processes, and play cooling material,
The effect of heat energy is provided.
1) without special incinerator, the hot environment in existing rotary kiln is utilized, it is not necessary to extra
Energy resource consumption.
2) phenol water can be used to cool back the burned material of rotary kiln, reduces burned material temperature, lowers the temperature to burned material,
Save follow-up cool time and expense.
3) the burned material temperature that rotary kiln is discharged is high, and up to more than 1100 DEG C, phenol water is to its coldest effect
Good, by cold shock, burned material is had certain fragmentation, beneficially ejection is broken.
4) the burned material temperature that rotary kiln is discharged is high, reaches more than 1100 DEG C and is fully able to meet phenol water vapor
Needing, phenol water fully vaporizes, and is conducive to improving dephenolization effect.
5) utilizing the waste heat in burned material, energy-saving effect is notable, lowers the temperature burned material, saves cooling water.
6) elapsed time in rotary kiln of the steam containing phenol after vaporization is long, kiln temperature high (1250~1450
DEG C), can be fully burned, shoulder to shoulder burning process.
7) containing phenol steam is heat at rotary kiln burning conversion, and participates in burning, the most energy-conservation.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the present invention.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the axonometric chart of nozzle portion.
In figure: 1 rotary kiln, 11 kiln hood parts, 12 kiln body parts, 2 phenol water pots, 3 electrodynamic pumps, 4
Pipeline, 5 jet pipes, 51 hole for water sprayings.
Detailed description of the invention
A kind of method and system utilizing rotary kiln to carry out phenol water disposal and utilization, as shown in Figure 1 to Figure 3,
Relate to rotary kiln 1, phenol water pot (case) 2, electrodynamic pump 3, pipeline 4, jet pipe more than 5 part composition.
Wherein, rotary kiln 1 divides according to purposes and can be divided into cement rotary kiln, flint clay rotary kiln, kaolinite
Soil rotary kiln, lime rotary kiln etc., the burned material that this kind of rotary kiln exists the most in a large number, and burn till
Thing is it is generally required to cool down.Illustrate as a example by flint clay rotary kiln below.
Rotary kiln 1 includes kiln hood part 11 (kiln head cover), kiln body part 12 and kiln portion, wherein kiln
Head is rotary kiln output section, and diameter is more than rotary kiln diameter, is realized by rustless steel flap and kiln body
Sealing, kiln body part 12 is the main body of rotary kiln (rotary kiln), generally has 30~150 meters long (L), very
To the most longer, cylindrical shape, it is divided into cooling zone, clinkering zone, preheating zone according to position is unusual, such as Fig. 2,
These belong to the ABC of rotary kiln, repeat no more.
In annexation, first phenol water pump is delivered to rotary kiln end, on the one hand, phenol water plays cooling
The effect of rotary kiln burned material, meanwhile, phenol water is vaporized, and due to negative pressure in kiln, the steam containing phenol is drawn into
In kiln, fully burning in cooled band, clinkering zone, preheating zone, is changed into CO2And H2O, through fully burning
After empty with rotary kiln flue gas, it is achieved harmless treatment.
Phenol water therein is directed to phenol water pot 2, is kept in, through the pumping of electrodynamic pump 3, pump aerosolization
Pressure is not less than 1kg, beats in the jet pipe 5 to insertion kiln hood to fall to returning after atomization by phenol water by pipeline
Turn get rid of burned material on, under the effect of waste heat, phenol water evaporate, sequentially pass through the cooling zone in kiln,
Clinkering zone, preheating zone, after empty with rotary kiln flue gas after fully burning.
In order to reach optimal burned material cooling and phenol water vapor effect, and simplify structure design, therein
Following specification selected by jet pipe 5: jet pipe selects Ф 25mm steel pipe, tail seal, forms a blind pipe,
Punch on the afterbody tube wall of (about 1/3rd length of blind pipe) about length 70cm, aperture about 2mm,
Average 2cm makes a call to one, and aperture upward, uses as hole for water spraying 51.The most also the curved of bending can be fabricated to
Pipe, or on straight tube, open multiple rows of micropore.Under the effect of electrodynamic pump, phenol water upwards sprays in rotary kiln,
And fall in the burned material of downside, during falling, phenol water microgranule is preheated, and is to burn till
Just can directly vaporize after thing contact, owing to the general temperature of burned material temperature is higher, major part can reach
More than 1100oC, and amount is big, forms phenol steam, steam, due under the drive of burner in rotary kiln,
Subnormal ambient formed here, so phenol steam just sequentially passes through the cooling zone in kiln, clinkering zone, preheating
Band, empties with rotary kiln flue gas after fully burning.In the process, experienced by the mistake of phenol burning
Journey, completes to process.
Embodiment described above is only to be described the preferred embodiment of the present invention, and especially one
A little parameters describe, and are based on being easy to the understanding of person skilled and implementing, not to the scope of the present invention
Being defined, on the premise of designing spirit without departing from the present invention, relevant technical staff in the field is to this
Bright various deformation and improvement, all should expand in protection domain as determined by claims of the present invention.
Claims (9)
1. one kind utilizes the method that rotary kiln carries out phenol water disposal and utilization, it is characterised in that include following
Step:
Step one, at an internally installed jet pipe at rotary kiln end position, described jet pipe by pipeline and
Electrodynamic pump is connected to a phenol water pot, and described jet pipe has the hole for water spraying upwards sprayed,
Step 2, beats phenol water to fall in rotary kiln to jet pipe and after spraying atomization by the pumping of electrodynamic pump
In the burned material discharged, under the effect of burned material waste heat, the evaporation of phenol water forms phenol water mixed vapour, institute
State cooling zone that phenol water mixed vapour sequentially passes through in kiln under the drive of negative-pressure air-flow in kiln, clinkering zone and
Preheating zone, empties with rotary kiln flue gas after fully burning.
A kind of method utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 1,
It is characterized in that, described electrodynamic pump operating pressure is not less than 1 kilogram.
A kind of side utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 1 and 2
Method, is characterized in that, described burned material temperature before spray phenol water is not less than 120 DEG C.
A kind of method utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 3,
It is characterized in that, described burned material temperature before spray phenol water is not less than 1100 DEG C.
A kind of method utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 4,
Described burned material material phenol water 0.5kg~30kg per ton.
A kind of side utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 1 and 2
Method, is characterized in that, in step one, and described jet pipe tail seal, and by caudal 1/3rd
The upper average 2cm of Duan Guanbi makes a hole footpath about 2mm and the hole for water spraying arranged upward.
7. utilize rotary kiln to carry out a system for phenol water disposal and utilization, including rotary kiln, electrodynamic pump,
Phenol water pot, pipeline and jet pipe, it is characterised in that a jet pipe is arranged on the interior of described rotary kiln end position
In portion's cavity, and described jet pipe is connected to a phenol water pot by pipeline and pump, and described jet pipe has upwards
The hole for water spraying of spray.
A kind of system utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 7,
It is characterized in that, described electrodynamic pump operating pressure is not less than 1 kilogram.
A kind of system utilizing rotary kiln to carry out phenol water disposal and utilization the most according to claim 7,
It is characterized in that, described jet pipe is tail seal, and by 2cm average on caudal 1/3rd sections of tube walls
Make a hole footpath 2mm and the hole for water spraying arranged upward, and described jet pipe gos deep into cooling end 2m~3m in kiln.
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CN201510003037.4A CN104482550B (en) | 2015-01-05 | 2015-01-05 | Method and system for processing and utilizing phenol water through rotary kiln |
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CN201510003037.4A CN104482550B (en) | 2015-01-05 | 2015-01-05 | Method and system for processing and utilizing phenol water through rotary kiln |
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CN104482550B true CN104482550B (en) | 2017-01-11 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105333727A (en) * | 2015-11-16 | 2016-02-17 | 刘兴良 | Continuous efficient rotary kiln |
CN109357266B (en) * | 2018-09-28 | 2020-04-07 | 新中天环保股份有限公司 | Rotary kiln cooling system |
Citations (6)
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CN101062796A (en) * | 2007-04-18 | 2007-10-31 | 淄博万丰煤气设备有限公司 | Phenol water treatment technique and device for gas furnace |
JP2008264727A (en) * | 2007-04-24 | 2008-11-06 | Idemitsu Kosan Co Ltd | Method for decomposing hardly decomposable harmful material |
CN203177183U (en) * | 2013-01-24 | 2013-09-04 | 上海瑞格镁业有限公司 | Premixed-type phenol water splitting incinerator |
CN103965970A (en) * | 2013-02-05 | 2014-08-06 | 栾涛 | Treatment method for phenolic water produced by gas producer |
CN203959860U (en) * | 2014-06-11 | 2014-11-26 | 佛山丰汇机械有限公司 | A kind of phenol water disposal equipment |
CN204388088U (en) * | 2015-01-05 | 2015-06-10 | 金刚新材料股份有限公司 | A kind of system utilizing rotary kiln to carry out phenol water treatment and utilization |
-
2015
- 2015-01-05 CN CN201510003037.4A patent/CN104482550B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101062796A (en) * | 2007-04-18 | 2007-10-31 | 淄博万丰煤气设备有限公司 | Phenol water treatment technique and device for gas furnace |
JP2008264727A (en) * | 2007-04-24 | 2008-11-06 | Idemitsu Kosan Co Ltd | Method for decomposing hardly decomposable harmful material |
CN203177183U (en) * | 2013-01-24 | 2013-09-04 | 上海瑞格镁业有限公司 | Premixed-type phenol water splitting incinerator |
CN103965970A (en) * | 2013-02-05 | 2014-08-06 | 栾涛 | Treatment method for phenolic water produced by gas producer |
CN203959860U (en) * | 2014-06-11 | 2014-11-26 | 佛山丰汇机械有限公司 | A kind of phenol water disposal equipment |
CN204388088U (en) * | 2015-01-05 | 2015-06-10 | 金刚新材料股份有限公司 | A kind of system utilizing rotary kiln to carry out phenol water treatment and utilization |
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