CN106824300A - A kind of dead catalyst labyrinth type is calcined carbonization system - Google Patents
A kind of dead catalyst labyrinth type is calcined carbonization system Download PDFInfo
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- CN106824300A CN106824300A CN201710148269.8A CN201710148269A CN106824300A CN 106824300 A CN106824300 A CN 106824300A CN 201710148269 A CN201710148269 A CN 201710148269A CN 106824300 A CN106824300 A CN 106824300A
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- heat storage
- outer layer
- decomposition chamber
- labyrinth
- roasting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/02—Heat treatment
Abstract
The invention discloses a kind of dead catalyst labyrinth type roasting carbonization system, the roasting carbonization system includes roasting carbide furnace labyrinth type main body, auxiliary heating combustion apparatus, automatic discharge apparatus and three high-temperature oxydation rooms；The roasting carbonization system of the application makes dead catalyst labyrinth type be calcined carbide furnace and three high-temperature oxydation room operation implementation integrated temperatures control, not only the safety roasting carbonization of waste had been ensured but also the heat of waste itself is excited completely, overall disposing technique is set to reduce operating cost, noble metal will not be lost because of the interference of air blast during controlling roasting carbonization, while realizing the safe of minimizing, innoxious, resource and equipment operation.
Description
Technical field
The present invention relates to a kind of dead catalyst labyrinth type roasting carbonization system.
Background technology
The vertical roasting carbide furnace of dead catalyst is related to：Chemical industry, medicine, petroleum industry adsorption saturation rear oxidation alumina supporter contain
Platinum, the dead catalyst roasting of palladium, has for material：Ball particle and φ (1.5-2.5) x (2.5-10) mm of φ 1.5-3.5mm
Two kinds of slice column, initial material amount containing organic matter≤20% (average 15%), aqueous 2.5-7.5% (averages
5%), solid accumulation density 0.5t/m3.Because China's dead catalyst recycling of recyclable waste is started late, technology is more delayed, reclaims
Production extensive operation, reclaims unit dispersion, can not form scale；And reclaimer is simple and crude, backward in technique, the rate of recovery is not high, wave
Resource and the energy are taken；Although being played a role to being reclaimed containing noble metal catalyst, environmental pollution for bringing etc. is asked
Topic is extremely serious.Using the noble metal reclaimed after dead catalyst roasting pyrolysis processing in catalyst, dirt can be effectively carried out
Dye control, realizes the minimizing of discarded object, innoxious, resource.
The content of the invention
For problems of the prior art, it is an object of the invention to provide a kind of dead catalyst labyrinth type burning carbon
Change system, it efficiently solves problems of the prior art.
To achieve the above object, the present invention uses following technical scheme：
A kind of dead catalyst labyrinth type is calcined carbonization system, and the roasting carbonization system includes roasting carbide furnace labyrinth type master
Body, auxiliary heating combustion apparatus, automatic discharge apparatus and three high-temperature oxydation rooms；Wherein,
The roasting carbide furnace labyrinth type main body includes two roasting carbonization furnace main bodies, and the roasting carbonization furnace main body includes
Internal layer SUS310 stainless steels labyrinth heating chamber, the outer layer accumulation of heat for being arranged on internal layer SUS310 stainless steels labyrinth heating chamber periphery
Body decomposition chamber and be arranged on inside the outer layer heat storage decomposition chamber, above the heating chamber of internal layer SUS310 stainless steels labyrinth
Upper strata decomposition chamber；Outer layer heat storage decomposition chamber top is provided with feed arrangement, and the charging line of the feed arrangement is stored by outer layer
In hot body decomposition chamber top insertion outer layer heat storage decomposition chamber；
The auxiliary heating combustion apparatus includes being arranged on the outer layer heat storage decomposition chamber lower outside, burning nozzle with
First auxiliary burner of internal layer SUS310 stainless steels labyrinth heating chamber connection, and it is arranged on outer layer heat storage decomposition chamber
Upper outside, the second auxiliary burner that burning nozzle is connected with the upper strata decomposition chamber；
The automatic discharge apparatus include being arranged on the discharge valve at the outer layer heat storage decomposition chamber base angle and are arranged on institute
State the conveyer in discharge valve exit；
Three high-temperature oxydation rooms pass through the inner space of pipeline and internal layer SUS310 stainless steels labyrinth heating chamber,
The communicating position of the two is located at the bottom sidewall of internal layer SUS310 stainless steels labyrinth heating chamber.
Further, internal layer SUS310 stainless steels labyrinth heating chamber includes circular head and lower cylinder, the circle
End socket and lower cylinder junction are circumferentially provided with gas approach.
Further, the port that the charging line is stretched into the outer layer heat storage decomposition chamber is located under the gas approach
Side.
Further, the side wall of the outer layer heat storage decomposition chamber includes outer insulative layer and inner refractory layer, wherein, it is described
Oxygenating layer is disposed with flame retardant coating, the oxygenating layer includes the airduct connected with oxygenating blower fan and communicated through with the airduct
Several air blast beaks of the inner space of the flame retardant coating and outer layer heat storage decomposition chamber.
Further, the thickness of the thermal insulation layer is 120mm, and the thickness of the flame retardant coating is 230mm.
Further, arrangement interval face of the air blast beak in the flame retardant coating is：The square of 120mm × 120mm, and
Around one week arrangement of main body of the outer layer heat storage decomposition chamber, a diameter of 10-20mm of air blast beak.
Further, it is provided with venting at the top of the outer layer heat storage decomposition chamber；The bottom of outer layer heat storage decomposition chamber
It is provided with 2 access holes.
The present invention has following Advantageous Effects：
The dead catalyst labyrinth type roasting carbonization system of the application makes dead catalyst vertical by rational thermodynamic metering
Destructive distillation thermally decomposes the organic substance in its waste material in roasting carbide furnace chuck layer；First start vertical roasting carbide furnace first auxiliary combustion
Burner (850 DEG C of temperature control) allows internal layer SUS310 stainless steels labyrinth heating chamber heat transfer to be aoxidized to the adsorption saturation of chuck layer
The platiniferous of alumina supporter, the dead catalyst of palladium, the organic matter allowed on saturation catalyst decomposes abundant；By mixed organic gas
(temperature control 850 is heated by the second auxiliary burner to roasting carbonization furnace main body outer layer accumulation of heat decomposition chamber top with oxygen transmission
DEG C) decompose.Flue gas after carbonization pyrolysis enters internal layer stainless steel labyrinth heating chamber again by high-temperature oxydation by outer layer by labyrinth,
The heat that heated oxide is produced transmits metal cylinder outer layer again, enters into three sections of high-temperature oxydation rooms by the flue gas after two-stage oxidizing
High temperature (1100 DEG C of temperature control) decomposes oxidation disposal to row again, the organic matter in flue gas is realized completely burned off.Dead catalyst
Labyrinth type is calcined carbide furnace and integrated temperature control is carried out in three high-temperature oxydation room operations, has both ensured the safe burning carbon of waste
Change enables the heat of waste itself to excite completely again, overall disposing technique is reduced operating cost, controls roasting carbonization
During noble metal will not be lost because of the interference of air blast, while realizing minimizing, innoxious, resource and equipment operation
Safe.
Brief description of the drawings
Fig. 1 is the overall structure diagram that dead catalyst labyrinth type of the invention is calcined carbonization system；
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Specific embodiment
Below, refer to the attached drawing, is more fully illustrated to the present invention, shown in the drawings of exemplary implementation of the invention
Example.However, the present invention can be presented as various multi-forms, the exemplary implementation for being confined to describe here is not construed as
Example.And these embodiments are to provide, so that the present invention is fully and completely, and will fully convey the scope of the invention to this
The those of ordinary skill in field.
As shown in Figure 1-2, invention provides a kind of dead catalyst labyrinth type roasting carbonization system, roasting carbonization system
System includes roasting carbide furnace labyrinth type main body, auxiliary heating combustion apparatus, automatic discharge apparatus and three high-temperature oxydation rooms 11；Its
In,
Roasting carbide furnace labyrinth type main body includes two roasting carbonization furnace main bodies 1, and roasting carbonization furnace main body 1 includes internal layer
SUS310 stainless steels labyrinth heating chamber 2 (1035 DEG C of the resistance to temperature of SUS310 stainless steels), it is arranged on internal layer SUS310 stainless steels labyrinth
Outer layer heat storage decomposition chamber 3 (internal layer SUS310 stainless steels labyrinth heating chamber 2 and the outer layer heat storage decomposition chamber 3 of the periphery of heating chamber 2
It is middle at intervals of 150-200mm, amount according to roasting carbonization dead catalyst and the organic matter for containing are determined) and be arranged on
Upper strata decomposition chamber 4 inside outer layer heat storage decomposition chamber 3, above internal layer SUS310 stainless steels labyrinth heating chamber 2；Outer layer heat storage
The top of decomposition chamber 4 is provided with feed arrangement 5, and the charging line 6 of feed arrangement 5 is outer by the insertion of the top of outer layer heat storage decomposition chamber 3
In layer heat storage decomposition chamber 3；
Auxiliary heating combustion apparatus includes being arranged on the lower outside of outer layer heat storage decomposition chamber 3, and burn nozzle and internal layer
First auxiliary burner 7 of the connection of SUS310 stainless steels labyrinth heating chamber 2, and it is arranged on the top of outer layer heat storage decomposition chamber 3
Outside, the second auxiliary burner 8 that burning nozzle is connected with upper strata decomposition chamber 3；
Automatic discharge apparatus include being arranged on the discharge valve 9 at the base angle of outer layer heat storage decomposition chamber 3 and be arranged on discharge valve 9
Conveyer 10 at mouthful, the bottom design of outer layer heat storage decomposition chamber 3 has four discharge valves 9, and discharge valve 9 is parastate, carbonization
Catalyst in stove is uniformly fed on conveyer 10 after the completion of decomposing by discharge valve 9, realizes automation discharging.
Three high-temperature oxydation rooms 11 pass through the inner space of pipeline and internal layer SUS310 stainless steels labyrinth heating chamber 2, the two
Communicating position be located at internal layer SUS310 stainless steels labyrinth heating chamber 2 bottom sidewall.Enter by the flue gas after two-stage oxidizing
Three times high-temperature oxydation room 11 carries out pyrolytic oxidation disposal again, the organic matter in flue gas is realized completely burned off.Burning carbon
Change produced in stove pernicious gas with tangential direction into three high-temperature oxydation rooms 11 with supplement air be sufficiently mixed it is rear ignited
Device is lighted.An absolute high-temperature region is formed in stove, enables the organic gas of follow-up entrance own combustion in stove, make oxidizing chamber
Interior temperature is maintained at more than 1100 DEG C.
Internal layer SUS310 stainless steels labyrinth heating chamber 2 includes circular head 12 and lower cylinder 13, and circular head 12 is with
Portion's cylinder 13 junction is circumferentially provided with gas approach 14.Circular head 12 and lower cylinder 13 are connected using separation, according to
The circular head 12 that treating capacity determines with exhaust gas volumn is connected height, circular head 12 with lower cylinder 13 and heats sky with upper outer layer
Between height, to ensure that it is abundant that flue gas is decomposed, flue gas is set as 2 seconds, burning carbon to design principle in roasting carbonization residing time in furnace
Change stove flue outlet control negative pressure value to exist：150-180Pa.
The port that charging line 6 is stretched into outer layer heat storage decomposition chamber 3 is located at the lower section of gas approach 14.
The side wall of outer layer heat storage decomposition chamber 3 includes outer insulative layer 15 and inner refractory layer 16, wherein, in flame retardant coating 16
Be disposed with oxygenating layer, oxygenating layer include the airduct 18 that connect with oxygenating blower fan 17 and with airduct 18 communicate through flame retardant coating 16 and
Several air blast beaks 19 of the inner space of outer layer heat storage decomposition chamber 3.
The thickness of thermal insulation layer 15 is 120mm, and the thickness of flame retardant coating 16 is 230mm.Thermal insulation layer 15 is used:Aluminium silicate wool 20mm
+ lightening casting material 100mm.
Arrangement interval face of the air blast beak 19 in flame retardant coating 16 is：The square of 120mm × 120mm, and stored around outer layer
One week arrangement of main body of hot body decomposition chamber 3, a diameter of 10-20mm (being determined according to the air capacity size for covering) of air blast beak 19.
The top of outer layer heat storage decomposition chamber 3 is provided with venting 20, is discharged under power failure or accident condition suddenly
Pressure in roasting carbide furnace；The bottom of outer layer heat storage decomposition chamber 3 is provided with 2 access holes 21, convenient observation roasting carbonization
Service condition in stove and maintain easily.
The feeding roasting carbonization furnace charge of dead catalyst automatic lifting mechanism 22 storehouse, feed bin top uses steel, connection feed bin to enter
Enter to be calcined carbide furnace charging line using customization high temperature (heatproof is more than 1800 DEG C) stability corundum special refractories.Feed bin
Feeding is automatically controlled by discharge valve with the middle of feeding flue.
The air of SOS supply is distributed in carbide furnace outer refractory, needed for control air quantity organic matter is decomposed
The 20%-40% of COD, dead catalyst absorbs heat in chuck layer and is oven-dried first, and then is pyrolyzed, then to charing.
The long chain of various organic compounds is progressively broken off into short molecular chain, becomes fuel gas.Due to being allowed without enough oxygen
These gases are further aoxidized, therefore these gases will be into further combustion decomposition in internal layer heating chamber.What be left behind can
Combustion property fixed carbon progressively change into CO and CO2 due to being stopped for a long time in stove.And waste destructive distillation, pyrolysis under anoxic conditions,
Greatly draw up the generation of nitrogen oxides, most of nitrogen generates nitrogen, rather than nitrogen oxides in pyrolytic process.
Pyrolysis carbonization reaction equation：
CxHyOzNuSvClw→CO+H2+CH4+N2+S+Cl2
C+O2→CO2
NO+NO2+NH2CONH2=2N2+CO2+2H2O
6NO2+4NH2CONH2=7N2+4CO2+8H2O
The course of work of the invention is：
First start vertical roasting carbide furnace the first auxiliary burner 7 (850 DEG C of temperature control) and allow internal layer SUS310 stainless steels
To the platiniferous of the adsorption saturation alumina support of chuck layer, the dead catalyst of palladium allows saturation to be catalyzed to labyrinth heating chamber heat transfer
Organic matter in agent decomposes abundant；Divide to roasting carbonization furnace main body outer layer accumulation of heat by mixed organic gas and oxygen transmission
(850 DEG C of temperature control) is heated by the second auxiliary burner 8 and is decomposed in solution room top.Flue gas after carbonization pyrolysis is by outer layer by being confused
Palace enters internal layer stainless steel labyrinth heating chamber again by high-temperature oxydation, and the heat that heated oxide is produced is transmitted outside metal cylinder again
Layer, carries out high temperature (1100 DEG C of temperature control) again and decomposes oxygen by the flue gas after two-stage oxidizing into three high-temperature oxydation rooms 11
Change disposal, the organic matter in flue gas is realized completely burned off.
The present invention has advantages below：
1) to all kinds of containing noble metal debirs external form size wide adaptability, especially to containing adsorption saturation rear oxidation aluminium
The platiniferous of carrier, the dead catalyst roasting of palladium, has for material：The ball particle and φ 1.5-2.5x2.5- of φ 1.5-3.5mm
Two kinds of 10mm slices column, initial material waste has more outstanding advantage；
2) static gasification, oxidation Decomposition in roasting carbide furnace, carbonization do not produce dust, follow-up tail gas are mitigated significantly when decomposing
The load of purified treatment.Flue gas after dead catalyst pyrolysis, by circulating oxidation Decomposition twice, remains cigarette in roasting carbide furnace
Gas enters three high-temperature oxydation rooms pyrolytic again, the organic matter in flue gas is realized completely burned off；
3) platiniferous, the dead catalyst of palladium effectively controls noble metal loss less in labyrinth type roasting carbide furnace chuck layer；
4) automation, safe degree are high：Automatically adjust air capacity and burner combustion state；After making three high-temperature oxydations
Exit gas temperature reaches environment protection emission requirement.Running temperature realizes that temperature control is chain, integrated artistic is using negative in roasting carbide furnace
Voltage-controlled system (design negative pressure value is in 80-180Pa).
It is described above simply to illustrate that of the invention, it is understood that the invention is not limited in above example, meet
The various variants of inventive concept are within protection scope of the present invention.
Claims (7)
1. a kind of dead catalyst labyrinth type is calcined carbonization system, it is characterised in that the roasting carbonization system includes that roasting is carbonized
Stove labyrinth type main body, auxiliary heating combustion apparatus, automatic discharge apparatus and three high-temperature oxydation rooms；Wherein,
The roasting carbide furnace labyrinth type main body includes two roasting carbonization furnace main bodies, and the roasting carbonization furnace main body includes internal layer
SUS310 stainless steels labyrinth heating chamber, the outer layer heat storage point for being arranged on internal layer SUS310 stainless steels labyrinth heating chamber periphery
Solution room and be arranged on inside the outer layer heat storage decomposition chamber, the upper strata above the heating chamber of internal layer SUS310 stainless steels labyrinth
Decomposition chamber；Outer layer heat storage decomposition chamber top is provided with feed arrangement, and the charging line of the feed arrangement is by outer layer heat storage
In decomposition chamber top insertion outer layer heat storage decomposition chamber；
The auxiliary heating combustion apparatus includes being arranged on the outer layer heat storage decomposition chamber lower outside, burning nozzle with it is described
First auxiliary burner of internal layer SUS310 stainless steels labyrinth heating chamber connection, and it is arranged on outer layer heat storage decomposition chamber top
Outside, the second auxiliary burner that burning nozzle is connected with the upper strata decomposition chamber；
The automatic discharge apparatus include being arranged on the discharge valve at the outer layer heat storage decomposition chamber base angle and are arranged on described unloading
Conveyer at material valve outlet；
Three high-temperature oxydation rooms pass through the inner space of pipeline and internal layer SUS310 stainless steels labyrinth heating chamber, the two
Communicating position be located at internal layer SUS310 stainless steels labyrinth heating chamber bottom sidewall.
2. dead catalyst labyrinth type according to claim 1 is calcined carbonization system, it is characterised in that the internal layer SUS310
Stainless steel labyrinth heating chamber includes circular head and lower cylinder, the circular head and lower cylinder junction it is circumferentially disposed
There is gas approach.
3. dead catalyst labyrinth type according to claim 2 is calcined carbonization system, it is characterised in that the charging line is stretched
Enter the port in the outer layer heat storage decomposition chamber and be located at gas approach lower section.
4. dead catalyst labyrinth type according to claim 1 is calcined carbonization system, it is characterised in that the outer layer heat storage
The side wall of decomposition chamber includes outer insulative layer and inner refractory layer, wherein, oxygenating layer, the oxygenating are disposed with the flame retardant coating
Layer includes the airduct connected with oxygenating blower fan and communicates through the flame retardant coating and outer layer heat storage decomposition chamber with the airduct
Inner space several air blast beaks.
5. dead catalyst labyrinth type according to claim 4 is calcined carbonization system, it is characterised in that the thickness of the thermal insulation layer
It is 120mm to spend, and the thickness of the flame retardant coating is 230mm.
6. dead catalyst labyrinth type according to claim 4 is calcined carbonization system, it is characterised in that the air blast beak is in institute
The arrangement interval face stated in flame retardant coating is：The square of 120mm × 120mm, and around the master of the outer layer heat storage decomposition chamber
One week arrangement of body, a diameter of 10-20mm of air blast beak.
7. dead catalyst labyrinth type according to claim 1 is calcined carbonization system, it is characterised in that the outer layer heat storage
Venting is provided with the top of decomposition chamber；The bottom of outer layer heat storage decomposition chamber is provided with 2 access holes.
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| CN201710148269.8A CN106824300B (en) | 2017-03-14 | 2017-03-14 | A kind of dead catalyst labyrinth type roasting carbonization system |
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| CN201710148269.8A CN106824300B (en) | 2017-03-14 | 2017-03-14 | A kind of dead catalyst labyrinth type roasting carbonization system |
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| CN106824300A true CN106824300A (en) | 2017-06-13 |
| CN106824300B CN106824300B (en) | 2019-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295587A (en) * | 2018-03-29 | 2018-07-20 | 南通回力橡胶有限公司 | A kind of rubber regeneration emission-control equipment |
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| CN101395252A (en) * | 2002-09-17 | 2009-03-25 | 环球油品公司 | Apparatus and method for catalyst regeneration |
| CN103122412A (en) * | 2011-11-18 | 2013-05-29 | 中国石油化工股份有限公司 | Recovery method for waste palladium carbon catalyst metal palladium |
| CN204063110U (en) * | 2014-07-11 | 2014-12-31 | 岳阳钟鼎热工电磁科技有限公司 | A kind of rotation heat accumulating type air preheater |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067925A (en) * | 1991-06-24 | 1993-01-13 | 中国有色金属工业总公司昆明贵金属研究所 | Reclaim the method and the incinerator system of palladium from waste palladium carbon catalyst |
| CN101395252A (en) * | 2002-09-17 | 2009-03-25 | 环球油品公司 | Apparatus and method for catalyst regeneration |
| CN103122412A (en) * | 2011-11-18 | 2013-05-29 | 中国石油化工股份有限公司 | Recovery method for waste palladium carbon catalyst metal palladium |
| CN105219406A (en) * | 2012-02-15 | 2016-01-06 | 梵德克斯能源有限责任公司 | A kind of equipment and the method for transforming hydrocarbon material |
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| CN108295587A (en) * | 2018-03-29 | 2018-07-20 | 南通回力橡胶有限公司 | A kind of rubber regeneration emission-control equipment |
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