CN107166403B - A kind of noble metal C catalyst incinerator and burning process - Google Patents

A kind of noble metal C catalyst incinerator and burning process Download PDF

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Publication number
CN107166403B
CN107166403B CN201710537285.6A CN201710537285A CN107166403B CN 107166403 B CN107166403 B CN 107166403B CN 201710537285 A CN201710537285 A CN 201710537285A CN 107166403 B CN107166403 B CN 107166403B
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catalyst
noble metal
burning
rotary valve
burning process
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CN201710537285.6A
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CN107166403A (en
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于向真
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/55—Controlling; Monitoring or measuring

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The present invention relates to a kind of noble metal C catalyst incinerator and burning process.It is burned it is characterized in that useless noble metal C catalyst be in the incinerator of a relatively closed, controllable oxygen atmosphere, reduces burning process bring material and run and damage, and incineration temperature is low and controllable, realize that the continuous operation of burning process, low energy consumption.

Description

A kind of noble metal C catalyst incinerator and burning process
Technical field
The present invention relates to noble metal C catalyst incinerator and burning process, belong to waste processing and recycling field.
Background technique
Noble metal C catalyst is referred to using activated carbon as gold, silver, ruthenium, rhodium, palladium, osmium, iridium, platinum in carrier, load etc. eight The catalyst of at least one kind noble metal, they are widely used for the processes such as oxidation plus the hydrogen of chemical field；Catalyst uses one After fixing time, catalyst it is living can reduce, selectivity can reduce, the catalyst that therefore, it is necessary to more renew, and that unloads useless urges Agent is because of the noble metal high containing economic value, it is also desirable to recycling and reusing.
Burning in conventional recovery process is that carbon is incinerated to dead catalyst in incinerator, generally, is burned Journey is half open, 800-1100 DEG C of incineration temperature, and there is a large amount of air to be passed through as combustion adjuvant, tail portion using filtering, wash Equal measures are washed to recycle particulate matter.
Chinese patent ZL91104385.3 discloses method and the incinerator system of a kind of Recover palladium from waste palladium carbon catalyst System, incinerator system includes incinerator, blast apparatus, scrubbing tower, filter and chimney.
The burning facility that Chinese patent ZL200610097872.X recommends is tube furnace, and electric heating is simultaneously passed through air in 500- Dead catalyst is burned at 800 DEG C, but which is intermittent operation.
Summary of the invention
The purpose of the present invention is to provide a kind of noble metal C catalyst incinerators that can control burning atmosphere and temperature And burning process serialization operation may be implemented while reducing incineration temperature in burning process.
The technical scheme is that a kind of noble metal C catalyst incinerator and burning process, it is characterised in that: it burns Furnace is burnt by burning furnace body, circulating fan, heater, charging rotary valve, discharging rotary valve, air hose, flue gas leading and oxygen detector group At；The top for burning furnace body is arranged in flue gas leading and oxygen detector, air hose, and circulating fan setting is examined in flue gas leading and oxygen It surveys between device and air hose；The top for burning furnace body is arranged in charging rotary valve；The bottom for burning furnace body is arranged in discharging rotary valve；Institute The burning process stated includes: machine circulation of blowing in, and is first replaced oxygen content in system to 1% (volume) hereinafter, then rising with nitrogen Temperature, circulation of hot gases control 300 DEG C -850 DEG C of temperature and supplement air or oxygen to guarantee that carbon burning is clean, control loop gas Oxygen content in body enters in 0.01-15% (volume), the noble metal C catalyst that gives up from charging rotary valve, residue containing noble metal from Discharging rotary valve comes out, process continuously-running.
Noble metal C catalyst of the present invention refer to using activated carbon as carrier, at least containing gold, silver, ruthenium, rhodium, The catalyst of one of the noble metals such as palladium, osmium, iridium, platinum.
Incineration temperature optimal control in the burning process of the present invention oxygen into 450 DEG C -650 DEG C, recyclegas Content optimal control is to 1-8% (volume).
The advantage of the invention is that burning atmosphere by control to control incineration temperature, realizes useless noble metal catalyst and burn While burning operates under relatively lower temp, the serialization operation of burning process is realized, easy to operate simple, control is put down Surely, low energy consumption.
Detailed description of the invention
Fig. 1 is incinerator schematic diagram.
In figure: 1, burning furnace body；2, flue gas leading and oxygen detector；3, circulating fan；4, air hose；5, feed rotary valve； 6, heater；7, discharge rotary valve.
Specific embodiment
The following examples further illustrate the contents of the present invention and implementation method, but these embodiments are not construed as It limits the scope of the invention.
Incinerator of the invention such as Fig. 1, incinerator include burning furnace body 1；Flue gas leading and oxygen detector 2；Circulating fan 3；Air hose 4；Feed rotary valve 5；Heater 6；Discharge rotary valve 7.Flue gas leading and oxygen detector 2, air hose 4, charging rotary valve 5 are set It sets in the top for burning furnace body 1；Circulating fan 3 is arranged between flue gas leading and oxygen detector 2 and air hose 4；Discharge rotary valve 7 The bottom for burning furnace body is set.
Embodiment 1
Such as the incinerator of Fig. 1 structure, first circulating fan 3 is driven, N is added by air hose 42Gas, on-line checking follow O in ring gas2Gas content controls O2Gas content is to 1% (volume) hereinafter, stopping adding N2Gas opens the heating of heater 6, works as circulated air When temperature is raised to 520 DEG C, begins through charging rotary valve 5 and be continuously added to useless noble metal C catalyst, sky is added by air hose 4 Gas, O in control loop gas2Gas content burns heat release in ~ 2% (volume), the noble metal C catalyst that gives up, and stops heater 6 and heats, Useless noble metal C catalyst charging rate is controlled, incineration temperature is maintained at ~ 580 DEG C, and after a certain period of time, discharging rotary valve 7 starts Continuous discharge realizes the continuous burning of useless noble metal C catalyst.
Embodiment 2
Such as the incinerator of Fig. 1 structure, first circulating fan 3 is driven, N is added by air hose 42Gas, on-line checking follow O in ring gas2Gas content controls O2Gas content is to 1% (volume) hereinafter, stopping adding N2Gas opens the heating of heater 6, works as circulated air When temperature is raised to 460 DEG C, begins through charging rotary valve 5 and be continuously added to useless noble metal C catalyst, O is added by air hose 42 Gas, O in control loop gas2Gas content burns heat release in ~ 3% (volume), the noble metal C catalyst that gives up, and stops heater 6 and heats, Useless noble metal C catalyst charging rate is controlled, incineration temperature is maintained at ~ 630 DEG C, and after a certain period of time, discharging rotary valve 7 starts Continuous discharge realizes the continuous burning of useless noble metal C catalyst.

Claims (3)

1. a kind of burning process of noble metal C catalyst incinerator, it is characterised in that: incinerator by furnace body, circulating fan, plus Hot device, charging rotary valve, discharging rotary valve, air hose, flue gas leading and oxygen detector composition；Flue gas leading and oxygen detector, air The top for burning furnace body is arranged in pipe, and circulating fan is arranged between flue gas leading and oxygen detector and air hose；Feed rotary valve The top for burning furnace body is set；The bottom for burning furnace body is arranged in discharging rotary valve；The burning process includes: that the machine that blows in follows Ring is first replaced oxygen content in system to 1% (volume) with nitrogen hereinafter, then heating up, and circulation of hot gases controls temperature 300 And air or oxygen is supplemented to guarantee that carbon burning is clean, the oxygen content in control loop gas is 0.01-15% by DEG C-850 DEG C (volume), noble metal C catalyst enter from charging rotary valve, and residue containing noble metal comes out from discharging rotary valve, and process can be transported continuously Row.
2. burning process according to claim 1, it is characterised in that the noble metal C catalyst is referred to activity Carbon is carrier, catalyst at least containing one of gold, silver, ruthenium, rhodium, palladium, osmium, iridium, platinum noble metals.
3. burning process according to claim 1, it is characterised in that the incineration temperature in the burning process optimizes control Oxygen content optimal control is made into 450 DEG C-650 DEG C, recyclegas to 1-8% (volume).
CN201710537285.6A 2017-07-04 2017-07-04 A kind of noble metal C catalyst incinerator and burning process Active CN107166403B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710537285.6A CN107166403B (en) 2017-07-04 2017-07-04 A kind of noble metal C catalyst incinerator and burning process

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Application Number Priority Date Filing Date Title
CN201710537285.6A CN107166403B (en) 2017-07-04 2017-07-04 A kind of noble metal C catalyst incinerator and burning process

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CN107166403A CN107166403A (en) 2017-09-15
CN107166403B true CN107166403B (en) 2019-03-05

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019241957A1 (en) * 2018-06-21 2019-12-26 Heraeus Deutschland GmbH & Co. KG Precious metal catalyst briquettes, process for the manufacture and for the incineration thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074458A (en) * 2006-05-19 2007-11-21 中国石油化工股份有限公司 Method for recovering noble-metal from waste catalyst
CN101273147A (en) * 2005-09-27 2008-09-24 W.C.贺利氏股份有限公司 Method and device for combusting precious metal-containing materials
CN101316656A (en) * 2005-11-30 2008-12-03 住友化学株式会社 Method for production of supported ruthenium and method for production of chlorine
US7473406B2 (en) * 2003-05-30 2009-01-06 Council Of Scientific And Industrial Research Process for recovery of palladium from spent catalyst
CN102108444A (en) * 2011-04-01 2011-06-29 开滦能源化工股份有限公司 Method for recycling ruthenium in supported type ruthenium catalyst
CN102560128A (en) * 2012-03-05 2012-07-11 武汉凯迪工程技术研究总院有限公司 Method for recovering ruthenium from waste aluminum oxide loaded ruthenium catalyst
CN202521612U (en) * 2012-02-24 2012-11-07 江苏瑞志博环境设备有限公司 Incineration treatment system for recovery of noble metal catalyst
CN202747362U (en) * 2012-08-27 2013-02-20 郴州高鑫铂业有限公司 Incinerator for carbon-supported rare noble metal spent catalyst
CN202968660U (en) * 2012-12-25 2013-06-05 云南茂森林化科技开发有限公司 Equipment for incinerating waste palladium-carbon catalyst
CN203323138U (en) * 2013-04-26 2013-12-04 贵研资源（易门）有限公司 Incinerator recycling precious metals from carbon carrier catalyst containing precious metals

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7473406B2 (en) * 2003-05-30 2009-01-06 Council Of Scientific And Industrial Research Process for recovery of palladium from spent catalyst
CN101273147A (en) * 2005-09-27 2008-09-24 W.C.贺利氏股份有限公司 Method and device for combusting precious metal-containing materials
CN101316656A (en) * 2005-11-30 2008-12-03 住友化学株式会社 Method for production of supported ruthenium and method for production of chlorine
CN101074458A (en) * 2006-05-19 2007-11-21 中国石油化工股份有限公司 Method for recovering noble-metal from waste catalyst
CN102108444A (en) * 2011-04-01 2011-06-29 开滦能源化工股份有限公司 Method for recycling ruthenium in supported type ruthenium catalyst
CN202521612U (en) * 2012-02-24 2012-11-07 江苏瑞志博环境设备有限公司 Incineration treatment system for recovery of noble metal catalyst
CN102560128A (en) * 2012-03-05 2012-07-11 武汉凯迪工程技术研究总院有限公司 Method for recovering ruthenium from waste aluminum oxide loaded ruthenium catalyst
CN202747362U (en) * 2012-08-27 2013-02-20 郴州高鑫铂业有限公司 Incinerator for carbon-supported rare noble metal spent catalyst
CN202968660U (en) * 2012-12-25 2013-06-05 云南茂森林化科技开发有限公司 Equipment for incinerating waste palladium-carbon catalyst
CN203323138U (en) * 2013-04-26 2013-12-04 贵研资源（易门）有限公司 Incinerator recycling precious metals from carbon carrier catalyst containing precious metals

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