CN107963796A - A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method - Google Patents

A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method Download PDF

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Publication number
CN107963796A
CN107963796A CN201711394912.1A CN201711394912A CN107963796A CN 107963796 A CN107963796 A CN 107963796A CN 201711394912 A CN201711394912 A CN 201711394912A CN 107963796 A CN107963796 A CN 107963796A
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CN
China
Prior art keywords
pyrolysis charring
storehouse
cooling
equipment
heating
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Pending
Application number
CN201711394912.1A
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Chinese (zh)
Inventor
赵明臣
董凯
杨勇
赵海斌
王跃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aetna Environmental Engineering Technology Co Ltd
Advanced Technology and Materials Co Ltd
Original Assignee
Aetna Environmental Engineering Technology Co Ltd
Advanced Technology and Materials Co Ltd
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Priority to CN201721757937 priority Critical
Priority to CN2017113540694 priority
Priority to CN201711354069 priority
Priority to CN2017217579379 priority
Application filed by Aetna Environmental Engineering Technology Co Ltd, Advanced Technology and Materials Co Ltd filed Critical Aetna Environmental Engineering Technology Co Ltd
Publication of CN107963796A publication Critical patent/CN107963796A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/10Treatment of sludge; Devices therefor by pyrolysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0019Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/0023Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30Particle separators, e.g. dust precipitators, using loose filtering material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/40Valorisation of by-products of wastewater, sewage or sludge processing

Abstract

The invention discloses a kind of continous way steel rolling greasy filth pyrolysis charring processing unit, including:Apparatus for feeding;Pyrolysis charring equipment, it includes:The pyrolysis charring storehouse being connected with apparatus for feeding, it is the place for receiving the material from apparatus for feeding and pyrolysis charring processing being carried out to material, the material conveying mechanism being arranged in pyrolysis charring storehouse, for material to be delivered to output terminal from input terminal, and for maintaining to react the heating equipment of required temperature in pyrolysis charring storehouse;Cooling device, is connected with pyrolysis charring equipment, and the residue for being discharged to pyrolysis charring equipment carries out cooling treatment;Combustible gas processing equipment, is connected with the gas vent of pyrolysis charring equipment, for carrying out burning processing to gas.The processing unit and processing method can achieve the purpose that danger wastes definitely contracting amount, discharged gas fume fully meeting discharge standard continuously by the complete pyrolysis charring of steel rolling greasy filth, at the same time suitable for miniaturization, invest small, safe for operation, waste heat can be used.

Description

A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method
Technical field
The present invention relates to a kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method, steel rolling greasy filth is particularly suitable for Processing, belong to dangerous field of solid waste treatment.
Background technology
China's iron and steel output is sure to occupy No. 1 in the world for years, is qualified the first in the world big steel country, Especially strip steel rolling and coating industry, develops rapidly after entering 2005, and capacity and output is drastically expanded.The mistake of strip steel rolling Cheng Zhong, it is necessary to sprayed roller gap using ROLLING OIL or emulsion, so as to have the function that cooling and lubrication, rolled Rotten separation can occur under the effect of rolling of long-term high temperature for oil, emulsion, be produced in these rotten greases and the operation of rolling Impurity etc. will be separated by the filter of steel rolling equipment technological lubrication filtration system, oil skimmer etc., form discarded greasy filth.
We are referred to as steel rolling greasy filth with the greasy filth that rolling system is discarded, these greasy filth are after wherein original microbial fermentation Volumetric expansion simultaneously carries stink, very big to environmental hazard, and Chinese Ministry of Environmental Protection is classified as danger wastes, numbering HW08, how by this The science of a little steel rolling greasy filth, safe disposal are an important topics.The disposal means to steel rolling greasy filth mainly have at present:The concentrated sulfuric acid Pickling+bleaching earth adsorption method, filtering+hydrogenation catalyst cracking process, burning method.Concentrated sulfuric acid pickling+bleaching earth adsorption method can extract base Plinth lubricating oil, but pickling and bleaching earth adsorption be to that can produce new danger wastes, and also yield is very big, is not real environmental protection Safety method, at present this method halted by environmental protection administration.Burning method refers to carry out at burning greasy filth using incinerator Put, this method can thoroughly eliminate these discarded objects substantially, but the scale of burning disposal requirement is big, and subsequent treatment process is multiple It is miscellaneous, it can also produce the harmful substances such as dioxin.Filtering+hydrocracking process refers to carry out heating and filtering, Ran Houjia to greasy filth first Pressure hydrogenation, produces the oil or other organic liquid gases of useful different purposes, can be sharp again by the utility in greasy filth With;But filtering+hydrocracking process technical threshold is high, investment is huge, and since it is to operate under high pressure, condition is more severe Carve, need more alloy steel products, while insecurity higher, it is inapplicable for a small amount of processing.
The content of the invention
In view of the deficiencies of the prior art, it is an object of the invention to provide a kind of processing of continous way steel rolling greasy filth pyrolysis charring Device and method, which can realize disposes steel rolling greasy filth in a manner of science, safety, and to heat possessed by steel rolling greasy filth Recycled.
To achieve the above object, the present invention uses following technical scheme:
A kind of continous way steel rolling greasy filth pyrolysis charring processing unit, including:
Apparatus for feeding;
Pyrolysis charring equipment, including:Pyrolysis charring storehouse, material conveying mechanism and heating equipment;Wherein, the pyrolysis charring Storehouse is connected with the apparatus for feeding, is the field for receiving the material from the apparatus for feeding and pyrolysis charring processing being carried out to material Institute;The material conveying mechanism is arranged in the pyrolysis charring storehouse, for by the material in the pyrolysis charring storehouse from input End is delivered to output terminal;The heating equipment, for maintaining to react required temperature in the pyrolysis charring storehouse;
Cooling device, is connected with the solid matter outlet of the pyrolysis charring equipment, for the pyrolysis charring equipment The residue of discharge carries out cooling treatment;
Combustible gas processing equipment, is connected with the gas vent of the pyrolysis charring equipment, for being set to the pyrolysis charring The gas of standby discharge carries out burning processing.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the charging is set Standby to include screw pump and feed pipe, the screw pump is connected by the feed pipe with the entrance of pyrolysis charring equipment.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the cooling is set It is standby, including cooling storehouse and cooling component;Wherein, the cooling storehouse includes cooling storehouse body, arrival end, the port of export;The cooling The inside of storehouse body is hollow tubular;The arrival end top of the cooling storehouse has entrance, with consolidating for the pyrolysis charring equipment Body material outlet connects;The port of export lower part of the cooling storehouse is equipped with discharge port;The cooling component is arranged at the cooling storehouse The outside of body, the water inlet of the cooling component are connected by cooling water control valve with cooling water supply equipment;Preferably, institute State cooling storehouse and be internally provided with material conveying mechanism, for entrance of the residue from the cooling storehouse to be delivered to going out for the cooling storehouse Material mouth;It is highly preferred that the junction of the pyrolysis charring equipment and the cooling storehouse is equipped with high-temperature rotary valve.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the combustible gas Processing equipment includes:Burner, ventilation shaft and combustion fan;Wherein, the burner includes diversion pipe and is sheathed on to lead Combustion tube outside the flow tube port of export;The diversion pipe is connected with the gas vent in the pyrolysis charring storehouse;The combustion tube One end is connected with the ventilation shaft, and the opening direction of the other end is consistent with the export direction of the diversion pipe, and the burning The other end of pipe protrudes a distance than the port of export of the diversion pipe, to form the place of burning processing;The combustion fan Given by ventilation shaft in the combustion tube and supply air.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the material is defeated It is screw conveyor shaft to send mechanism;Preferably, the pyrolysis charring storehouse is provided with 2-5, along the direct of travel of material, Mei Ge The solid matter outlet in the preceding pyrolysis charring storehouse is connected with the entrance in the pyrolysis charring storehouse thereafter;Each pyrolysis charring A material conveying mechanism is designed with storehouse;It is highly preferred that the pyrolysis charring equipment is provided with 4 pyrolysis charring storehouses, wherein, The entrance in the first pyrolysis charring storehouse connects the apparatus for feeding, the solid matter outlet in the first pyrolysis charring storehouse and the second heat The entrance connection in solution charing storehouse, the solid matter outlet in the second pyrolysis charring storehouse and the entrance in the 3rd pyrolysis charring storehouse connect Connect, the solid matter outlet in the 3rd pyrolysis charring storehouse is connected with the entrance in the 4th pyrolysis charring storehouse;4th pyrolytic carbon The outlet for changing storehouse is connected with the cooling device;It is further preferred that each pyrolysis charring storehouse is placed in parallel up and down.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, heating equipment bag Heating component, the heating source being connected with the heating component are included, and for controlling the switch valve whether heating source heating.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the heating group Part is resistance wire, and the resistance wire is around the outside for being arranged at the pyrolysis charring storehouse;Preferably, the heating component further includes Pipeline is heated, the heating pipeline is around the outside for being arranged at the pyrolysis charring storehouse, the heating pipeline and the burner Connection, the pyrolysis charring storehouse is transferred to by the heat that smoke combustion produces by the heating pipeline;
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the heating group Part is heating furnace, and the heating furnace surrounds the outside for being arranged at all pyrolysis charring storehouses, the housing of the heating furnace up to Fuel gas inlet, smoke outlet, cleaning door are equipped with less;The fuel gas inlet is arranged at the lower section of the heating furnace, the fuel gas inlet Place sets combustor, and switch valve is set on the combustor;The cleaning door is arranged at the lower section of the heating furnace;The smoke evacuation Mouth is arranged at the top of heating furnace, for discharging high-temperature flue gas;Preferably, the burner is located at the inside of the heating furnace.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the continous way Steel rolling greasy filth pyrolysis charring processing unit further includes:Detector unit and electric control system;Wherein, detector unit, It is arranged on the pyrolysis charring storehouse, and is connected with the electric control system, for collects temperature data and being sent to electrically Control system;Electric control system, at least switch valve with the detector unit and the heating equipment are connected, for connecing Receive the temperature data of the detector unit transmission and add according to the comparing result with design temperature sends instruction control The working status of hot equipment;Preferably, when the temperature data of detector unit transmission reaches setting for electric control system When constant temperature is spent, electric control system sends the instruction for closing the heating equipment;When the temperature of detector unit transmission When data are not up to the design temperature of electric control system, electric control system sends the instruction for opening the heating equipment.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the electric-controlled System processed is also arranged at the electricity of the material conveying mechanism operating in the pyrolysis charring storehouse with the high-temperature rotary valve, control Machine, control are arranged at least one in the motor of the material conveying mechanism operating in the cooling storehouse, the cooling water control valve Kind connection, to regulate and control to corresponding component.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the cooling storehouse Exit also be provided with detector unit, the detector unit and the cooling water control valve and the electrical control System connect, for collect cool down after residue temperature data and be sent to the electric control system, the electrical control system System sends corresponding regulation and control instruction according to the cooling temperature of setting to the cooling water control valve.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the electric-controlled Control equipment is PLC control system, and the detector unit is temperature sensor.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, the continous way Steel rolling greasy filth pyrolysis charring processing unit further includes:Smoke and waste steam boiler, low-temperature flue gas processing unit and air-introduced machine;Wherein, institute The smoke outlet that smoke and waste steam boiler is stated with the heating furnace is connected;The low-temperature flue gas processing unit and the smoke and waste steam boiler Smoke outlet connection, the exhaust outlet of the low-temperature flue gas processing unit is connected with the air-introduced machine;Preferably, the low-temperature flue gas Processing unit includes bag-type dust collector and active carbon filtering device.
A kind of continous way steel rolling greasy filth pyrolysis charring processing method, is handled using above-mentioned continous way steel rolling greasy filth pyrolysis charring Device is implemented, and in turn includes the following steps:
Preheating step:Start the heating equipment heating, after the pyrolysis charring storehouse reaches predetermined temperature, start by institute Apparatus for feeding is stated to be handled to pyrolysis charring storehouse input greasy filth;
Pyrolysis charring step:In in the pyrolysis charring storehouse under the continuous transmission of the material conveying mechanism to greasy filth into The processing of row pyrolysis charring;
Residue cooling step:By the residue that pyrolysis charring step obtains in carrying out cooling treatment in the cooling storehouse, then Discharge;
Gas processing step:The gas that pyrolysis charring step is obtained carries out burning processing, then discharges.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing method, as a kind of preferred embodiment, the pre- constant temperature Spend for 800-900 DEG C;The cycle of the pyrolysis charring processing is 12-18min.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing method, as a kind of preferred embodiment, the pyrolytic carbon Change in step, the volume ratio of the imflammable gas produced in the pyrolysis charring storehouse and the air being passed through is 1:10-15.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing method, as a kind of preferred embodiment, the residue is cold But in step, the temperature of the residue is discharged after being down to 60 DEG C -120 DEG C.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing method, as a kind of preferred embodiment, the pyrolytic carbon Change in step, the rotating speed of the material conveying mechanism is 0~40r/min;More preferably 18-22r/min;The residue cooling step In rapid, the rotating speed of the material conveying mechanism is 5-15r/min;More preferably 10r/min;
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing method, as a kind of preferred embodiment, the continous way Steel rolling greasy filth pyrolysis charring processing method further includes:The waste heat of the pyrolysis charring step and the flue gas of the gas processing step Waste heat recovery step;And the processing step of the low-temperature flue gas produced after flue gas waste heat recovery, by low-temperature flue gas handle it is up to standard after Discharge.
The beneficial effect that technical solution provided by the invention is brought is:
It more adapts to the needs of steel rolling greasy filth disposal to continous way steel rolling greasy filth pyrolysis charring processing unit provided by the invention, Compromise between security, science, the feature of environmental protection and small-scale feature.Continous way steel rolling greasy filth pyrolysis charring processing provided by the invention Method can be realized disposes ground steel rolling greasy filth in a manner of science, safety, and heat possessed by steel rolling greasy filth is recycled Utilize.
Continous way steel rolling greasy filth pyrolysis charring processing unit provided by the invention can be continuously completely hot by steel rolling greasy filth Solution charing, has achieveed the purpose that the absolute contracting amount (residue is only the 4-10% of crude oil mud weight) of danger wastes, outer smoke evacuation Gas fully meets the discharge standard in country and place, while the device is suitable for miniaturization, and investment is small, and safe for operation, waste heat can To be used, the problem of Metallurgical Enterprise oil-sludge treatment is efficiently solved.Continous way steel rolling greasy filth pyrolytic carbon provided by the invention Can not only steel rolling greasy filth be handled by changing processing unit and method, can be also used for handling other organic wastes.
Brief description of the drawings
Fig. 1 is the structure diagram of continous way steel rolling greasy filth pyrolysis charring processing unit in the preferred embodiment of the present invention;
Fig. 2 is the structure diagram of combustion-supporting burner in the preferred embodiment of the present invention;
Fig. 3 is the technological process signal of continous way steel rolling greasy filth pyrolysis charring processing method in the preferred embodiment of the present invention Figure.
In figure:1- feed pipes, 2- pyrolysis charrings storehouse, the first pyrolysis charrings of 21- storehouse, the second pyrolysis charrings of 22- storehouse, 23- Three pyrolysis charring storehouses, the 4th pyrolysis charring storehouses of 24-, 3- housings, 4- high-temperature rotary valves, 5- cooling storehouses, 6- cooling components, 7- dischargings Mouth, 8- cleaning doors, 9- combustors, 10- smoke outlets, 11- combustion fans, 12- burners, 121- diversion pipes, 122- combustion tubes, 13- burner hearths.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
In the description of the present invention, the orientation of the instruction such as term " on ", " under " or position relationship are based on shown in the drawings Orientation or position relationship, are for only for ease of the description present invention rather than require the present invention must be with specific azimuth configuration and behaviour Make, therefore be not considered as limiting the invention.
Referring to Fig. 1, a kind of continous way steel rolling greasy filth pyrolysis charring processing unit provided by the invention, suitable for steel rolling greasy filth High temperature pyrolysis processing is worked continuously.The device includes:Apparatus for feeding;Pyrolysis charring equipment, is connected with apparatus for feeding, for connecing Receive the material from apparatus for feeding and carry out pyrolysis charring processing;Cooling device, the solid matter outlet with pyrolysis charring equipment Connection, the residue for being discharged to pyrolysis charring equipment carry out cooling treatment;Combustible gas processing equipment, with pyrolysis charring equipment Gas vent connects, and the gas for the discharge of pyrolysis charring equipment carries out burning processing.Above equipment is said one by one below It is bright.
Apparatus for feeding, is connected with the entrance of pyrolysis charring equipment, for inputting material (such as steel rolling to pyrolysis charring equipment Greasy filth).In the preferred embodiment of the present invention, apparatus for feeding includes screw pump (not shown) and feed pipe 1, spiral shell Bar pump is connected by feed pipe 1 with the entrance of pyrolysis charring equipment.During work, preprepared steel rolling is drawn by screw pump Greasy filth is discharged into pyrolysis charring equipment through feed pipe 1.
Pyrolysis charring equipment, including:Pyrolysis charring storehouse 2, material conveying mechanism and heating equipment.Wherein, pyrolysis charring storehouse 2 It is for receiving the material from apparatus for feeding and the place of pyrolysis charring processing being carried out to material;Material conveying mechanism is arranged at In pyrolysis charring storehouse 2, for arrival end of the material from pyrolysis charring storehouse 2 to be delivered to the port of export;Heating equipment, for maintaining heat Temperature in solution charing storehouse 2 needed for reaction.
Cooling device, is connected with the solid matter outlet of pyrolysis charring equipment, residual for being discharged to pyrolysis charring equipment Slag carries out cooling treatment, including cooling storehouse 5 and cooling component 6.Cooling storehouse 5 is for going out to the solid material of pyrolysis charring equipment The residue of mouth output carries out the place of cooling treatment, including cooling storehouse body, arrival end, the port of export;The inside of cooling storehouse body For hollow tubular, it is horizontally disposed with;Arrival end has entrance, is connected with the solid matter outlet of pyrolysis charring equipment, for receiving The residue of pyrolysis charring equipment output;Port of export lower part is equipped with discharge port 7, for discharging residue after cooling.Preferably, cool down Storehouse body interior also is provided with material conveying mechanism, for will be defeated from the residue that pyrolysis charring equipment exports from the entrance of cooling storehouse 5 Send to the discharge port 7 of cooling storehouse 5;In a preferred embodiment of the invention, material conveying mechanism can be screw conveyor shaft, it is not Conveying, which can only be played the role of, can also play the role of stirring material, so as to fulfill the quick cooling of material.Cooling component 6, the outside of cooling storehouse body is arranged at, is cooled down the intrinsic material of cooling storehouse by the cooling medium of flowing;Specifically, may be used Using circulating water, the intrinsic material of cooling storehouse is cooled down by the cooling water circulated, the water inlet of cooling component 6 It is connected by cooling water control valve with cooling water supply equipment (not shown in figure 1);In a preferred embodiment of the invention, cool down Component can be cooling water tank 6.In preferred embodiment provided by the invention, the junction of pyrolysis charring equipment and cooling storehouse 5 Equipped with high-temperature rotary valve 4;High-temperature rotary valve 4 drives rotation by the residue at pyrolysis charring equipment solid matter outlet by motor Cooling storehouse 5 is sent into, and pyrolysis charring equipment can be made to isolate with outside air, avoids oxygen from entering, while also have to heat Certain insulating effect, can keep heat in pyrolysis charring equipment.
Combustible gas processing equipment, is connected with the gas vent of pyrolysis charring equipment, for what is discharged to pyrolysis charring equipment Gas (containing imflammable gas) carries out burning processing.Specifically, combustible gas processing equipment includes burner 12, ventilation shaft and helps Fire wind turbine 11;Burner 12 is sleeve structure (as shown in Figure 2), including diversion pipe 121 and is sheathed on outside draft tube outlets end The combustion tube 122 in portion;Diversion pipe 121 is connected with the gas vent in pyrolysis charring storehouse 2, is carried out for exporting in pyrolysis charring storehouse 2 Pyrolysis charring handles and produces gas (containing imflammable gas) to combustion tube 122;One end of combustion tube 122 connects with ventilation shaft It is logical, receive the air for coming from the input of combustion fan 11, the opening direction of the other end of combustion tube 122 and going out for diversion pipe 121 Mouthful direction is consistent, but length is more than the length of diversion pipe 121 (on exhanst gas outlet direction, the port of export ratio of combustion tube 122 is arranged A distance is protruded in 121 port of export of diversion pipe in combustion tube 122, in other words, as shown in Fig. 2, the outlet of combustion tube 122 End endface position will extend a distance relative to the port of export endface position of diversion pipe 121), to form the field of burning processing Institute.When being handled, pyrolysis charring processing produces gas (containing imflammable gas), and burning is entered by diversion pipe 121 In pipe 122, air is sent into combustion tube 122 by combustion fan 11 by ventilation shaft, and from combustion tube 122 and diversion pipe 121 it Between intermediate course space spray at a high speed, siphonage is formed to the imflammable gas of intermediate core layer, drive imflammable gas from Diversion pipe 121 is flowed out and mixed with air, while is burnt under high temperature action, and after fully burning, flue gas is discharged.Combustion Burning the heat that processing produces can recycle, such as being heated to pyrolysis charring storehouse 2.In being preferable to carry out for the present invention In example, continous way steel rolling greasy filth pyrolysis charring processing unit shares four pyrolysis charring storehouses 2, each 2 top of pyrolysis charring storehouse Gas vent is all connected with diversion pipe 121, and combustion tube 122 is arranged with outside the port of export of each diversion pipe 121;Each burning One end of pipe 122 is all connected with ventilation duct, and the opening direction of the other end (port of export) is consistent with the export direction of diversion pipe 121, But length is more than the length of diversion pipe, to form the place of burning processing, i.e. the port of export and diversion pipe of each combustion tube 122 The axis of 121 port of export overlaps, and the port of export of combustion tube 122 is than 121 port of export of diversion pipe that is sheathed in combustion tube 122 Protrude a distance.Combustion fan 11 is given in the combustion tube by ventilation shaft and supplies air.
In pyrolysis charring equipment, pyrolysis charring storehouse 2 includes storehouse body, arrival end and the port of export;During the inside of storehouse body is Blank pipe shape, is horizontally disposed with;Arrival end has entrance, is connected with apparatus for feeding, for receiving material;Port of export lower part is equipped with solid Material outlet, for residue (predominantly carbon, the iron, impurity etc.) discharge produced after pyrolysis charring is handled;Storehouse body upper part is set There is gas vent to be used to discharge the gas that pyrolysis charring processing produces.Material is in pyrolysis charring storehouse 2 in high temperature during traveling Under oxygen-free environment carry out pyrolysis charring processing, i.e., material (steel rolling greasy filth) decompose generation gas (containing imflammable gas) and Residue, is at this time positive pressure in pyrolysis charring storehouse 2, gas is discharged by gas vent, and residue is then discharged by solid matter outlet. Pyrolysis charring storehouse 2 can set multiple, be preferably 2-5, along the direct of travel of material, each preceding pyrolysis charring storehouse Solid matter outlet is connected with the entrance in pyrolysis charring storehouse thereafter, and being arranged such can react the material pyrolysis charring in storehouse It is more abundant.In a preferred embodiment of the invention, pyrolysis charring storehouse 2 is provided with 4, and the entrance in the first pyrolysis charring storehouse 21 connects Apparatus for feeding is connect, the solid matter outlet in the first pyrolysis charring storehouse 21 is connected with the entrance in the second pyrolysis charring storehouse 22, the second heat The solid matter outlet in solution charing storehouse 22 is connected with the entrance in the 3rd pyrolysis charring storehouse 23, the solids in the 3rd pyrolysis charring storehouse 23 Material outlet is connected with the entrance in the 4th pyrolysis charring storehouse 24;The outlet in the 4th pyrolysis charring storehouse 24 is connected with cooling device;Each A material conveying mechanism is designed with pyrolysis charring storehouse.The placement in multiple pyrolysis charring storehouses according to specifically used Environment Design, In a preferred embodiment of the invention, in order to save place, each pyrolysis charring storehouse is placed in parallel up and down.Pyrolysis carbonization storehouse is equal To close warehouse, isolate with extraneous oxygen.
In pyrolysis charring equipment, the working portion of material conveying mechanism is located in pyrolysis charring storehouse 2 that (i.e. storehouse body is interior Portion), it is axially set in along pyrolysis charring storehouse 2 between arrival end and the port of export, under the drive of external motor, its working portion exists The arrival end in material from the pyrolysis charring storehouse 2 that can input apparatus for feeding during movement is delivered to the port of export.In this hair In bright preferred embodiment, material conveying mechanism can be screw conveyor shaft, it is connected with exterior motor, in the driving of motor Lower helical rotation, can not only play the role of conveying can also play the role of stirring material, so as to fulfill the abundant of material Reaction.
In pyrolysis charring equipment, heating equipment is used to maintain the temperature in pyrolysis charring storehouse 2 needed for reaction, including heating group Part, switch valve and the heating source being connected with the heating component controlled by switch valve;Heating component is arranged at pyrolysis charring On storehouse 2, for being heated to pyrolysis charring storehouse 2;Whether switch valve is used to control heating source work.Heating equipment can be using electricity The electric heating equipment or the heated by natural gas equipment of use heated by natural gas heated, or use combustion and pyrolysis charcoal The heating equipment for changing the imflammable gas that produces in storehouse 2 to heat;Can also be that any of the above equipment is applied in combination.
In a preferred embodiment of the invention, heating equipment uses electrical heating, and specifically, the heating component of heating equipment is Resistance wire, resistance wire is around being arranged at outside pyrolysis charring storehouse 2, to be evenly heated pyrolysis charring storehouse 2.It is highly preferred that also adopt The imflammable gas produced with combustion and pyrolysis charing storehouse 2 is come supplementary heating pyrolysis charring storehouse 2, at this time, heating component further include plus Pipe line (not shown), it is connected around the outside for being arranged at pyrolysis charring storehouse 2, the heating pipeline with burner 12, with The heat that smoke combustion produces is transferred to pyrolysis charring storehouse 2 by the heating pipeline.
In another preferred embodiment of the present invention, heating equipment uses gas heating, specifically, the heating of heating equipment Component is heating furnace, and heating furnace surrounds the outside for being arranged at all pyrolysis charring storehouses 2, the flame and height produced by fuel gas buring Warm flue gas provides heat to be evenly heated pyrolysis charring storehouse 2;On the housing 3 of heating furnace at least provided with fuel gas inlet, smoke outlet 10, Cleaning door 8;Fuel gas inlet is arranged at the lower section of heating furnace, and fuel gas inlet sets combustor 9 (i.e. heating source), by with combustor Whether the switch valve control combustor 9 of 9 connections heats;Cleaning door 8 is also disposed on the lower section of heating furnace, for artificial deashing;Row Mouth 10 is arranged at the top of heating furnace, for discharging high-temperature flue gas.It is highly preferred that also produced using combustion and pyrolysis charing storehouse 2 The mode of imflammable gas come supplementary heating pyrolysis charring storehouse 2, burner 12 is located inside heating furnace at this time, i.e., positioned at heating Among the burner hearth 13 of stove, substantial amounts of heat can be produced after the imflammable gas burning that 2 carbonization reaction of pyrolysis charring storehouse produces, the combustion Burn reaction to occur in heating furnace, therefore the heat produced can maintain the temperature in heating furnace to be maintained at pyrolysis charring reaction institute The temperature needed;Specifically, at the beginning of device operation, combustor 9 (i.e. heating source) is produced by combustion gas (being preferably natural gas) Heat preheats heating furnace, so that reaching predetermined temperature in pyrolysis charring storehouse 2, after pyrolytic process starts and can lead to The imflammable gas produced is crossed to burn to maintain the temperature in heating furnace to send closing by electric-control system after predetermined temperature Instruction, closes (such as without electric-control system, can also artificially close) by the switch valve of heating equipment, then passes through pyrolysis charring storehouse The burning of 2 imflammable gas produced reacts required temperature to maintain to heat in-furnace temperature in pyrolysis charring.In the present invention It is preferred that being preheated using natural gas, the burner set in heating furnace completes the combustion for the imflammable gas that pyrolytic reaction produces Burn.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, further include:Temperature Detecting element and electric control system.Wherein, the electric control system is at least opened with detector unit and heating equipment Close valve connection;Detector unit, be arranged on pyrolysis charring storehouse 2 or be arranged on above-mentioned heating furnace (its can monitor plus Temperature in hot stove thorax), and be connected with electric control system, for collecting temperature data and being sent to electric control system, so The temperature data of collection is compared electric control system with heating-up temperature set in advance afterwards, is less than when collecting temperature data During heating-up temperature set in advance, electric control system order heating equipment is opened switch valve and is begun to warm up, when collection temperature number During according to equal to or higher than heating-up temperature set in advance, electric control system order heating equipment turns off the switch valve and stops heating, Consequently facilitating electric control system carries out real-time monitoring to the temperature in pyrolysis charring storehouse 2.Detector unit can be that temperature passes Sensor;In a preferred embodiment of the invention, temperature sensor is arranged on pyrolysis charring storehouse 2 and is used for inside pyrolysis charring storehouse 2 Temperature data and be sent to electric control system.Electric control system, is at least opened with detector unit and heating equipment Valve connection is closed, for receiving the temperature data of detector unit transmission and sending the working status of instruction control heating equipment (for example start, close, adjust mode of heating etc.), to ensure the moderate temperature in pyrolysis charring storehouse 2;Specifically, temperature detection is worked as Element testing to temperature be less than electric control system in set temperature when, the electric control system sends instruction unpack and adds The switch valve of hot equipment, additional heat;When the temperature that detector unit detects is higher than the temperature set in electric control system When spending, the electric control system sends the switch valve that heating system is closed in instruction, voluntarily circular response in storehouse.Due to pyrolytic carbon Change processing need to carry out in high temperature environments, in order to maintain the temperature conditionss, it is necessary to heating equipment suitably heat in due course with adjust, Maintain the temperature in pyrolysis charring storehouse 2.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, electrical control system The material conveying mechanism such as screw conveyor shaft that system can also be arranged in pyrolysis charring storehouse 2 with high-temperature rotary valve 4, control operates Motor, control be arranged at motor, the cooling water control valve of the such as screw conveyor shaft operating of material conveying mechanism in cooling storehouse 5 At least one of connection, to regulate and control to corresponding component.Electrical control equipment can be PLC control system.
It is whether normal for the cooling treatment situation in monitoring cooling storehouse 5, facilitate continous way steel rolling greasy filth pyrolysis charring to handle Device it is continuous, stablize operation, in above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as one kind side of being preferable to carry out Formula, the exit of cooling storehouse 5 also are provided with detector unit (such as temperature sensor, Fig. 1 not shown in), temperature detection member Part and cooling water control valve are connected with electric control system, for collect cool down after residue temperature data and be sent to electrically Control system, the cooling temperature that electric control system is set according to it, corresponding regulation and control instruction is sent to cooling water control valve.
In above-mentioned continous way steel rolling greasy filth pyrolysis charring processing unit, as a kind of preferred embodiment, flue gas is further included The smoke outlet 10 of waste heat boiler, low-temperature flue gas processing unit and air-introduced machine, smoke and waste steam boiler and heating furnace connects;Low-temperature flue gas The smoke outlet of processing unit and smoke and waste steam boiler connects, and the exhaust outlet of low-temperature flue gas processing unit is connected with air-introduced machine.At this In the preferred embodiment of invention, low-temperature flue gas processing unit includes bag-type dust collector and active carbon filtering device.Heating furnace High-temperature flue gas in burner hearth 13 enters smoke and waste steam boiler through smoke outlet 10, and high-temperature flue gas is cooled down in waste heat boiler, its Heat is converted utilization, and the low-temperature flue gas (temperature≤200 DEG C) of output then enters follow-up flue gas processing device, through bag-type dust Qualified discharge after device and active carbon filtering device processing.All flue gases are discharged under air-introduced machine effect, in the effect of air-introduced machine Under, the burner hearth 13 of heating furnace, smoke and waste steam boiler, all have certain negative pressure in flue gas processing device.
A kind of continous way steel rolling greasy filth pyrolysis charring processing method, is handled using above-mentioned continous way steel rolling greasy filth pyrolysis charring Device is implemented, and in turn includes the following steps:
Preheating step:Start heating equipment heating, after pyrolysis charring storehouse 2 reaches predetermined temperature, start by apparatus for feeding Handled to pyrolysis charring storehouse input greasy filth;
Pyrolysis charring step:At a predetermined temperature, in pyrolysis charring storehouse under the continuous transmission of material conveying mechanism it is right Greasy filth carries out pyrolysis charring processing;
Residue cooling step:By the residue that pyrolysis charring step obtains in carrying out cooling treatment in cooling storehouse, it is then discharged out;
Gas processing step:The gas that pyrolysis charring step is obtained carries out burning processing, then discharges.
In the above method, as a kind of preferred embodiment, the predetermined temperature for 800-900 DEG C (such as 801 DEG C, 810 ℃、820℃、830℃、840℃、850℃、860℃、870℃、880℃、890℃、895℃);The cycle of pyrolysis charring processing For 12-18min (such as 13min, 14min, 15min, 16min, 17min), (i.e. greasy filth is from pyrolysis charring storehouse 2 is entered to discharge heat This period in solution charing storehouse 2).
In the above method, as a kind of preferred embodiment, in pyrolysis charring step, produced in the pyrolysis charring storehouse The volume ratio of imflammable gas and the air being passed through is 1:10-15 (such as 1:11、1:12、1:13、1:14、).It may also be said that gas In body processing step, the burning processing is directed to introduce air, the gas for making it obtain with pyrolysis charring step in heating furnace Mix the burning so as to fulfill imflammable gas, the air of introducing and the volume ratio of the imflammable gas produced in pyrolysis charring storehouse For 10-15:1, the air of the ratio is passed through from outside can better ensure that the abundant of imflammable gas burns, and ensure heating furnace Interior temperature is maintained within the scope of the temperature needed for greasy filth pyrolysis charring.
In the above method, as a kind of preferred embodiment, in the pyrolysis charring step, the material conveying mechanism Rotating speed 0~40r/min (such as 2r/min, 5r/min, 10r/min, 15r/min, 20r/min, 25r/min, 30r/min, 35r/min, 38r/min) in the range of frequency conversion it is adjustable, depending on actual conditions, general control is in 20r/min or so;Preferably 18-22r/min。
In the above method, as a kind of preferred embodiment, in the residue cooling step, the temperature of the residue is down to 60 DEG C -120 DEG C (such as, 62 DEG C, 65 DEG C, 80 DEG C, 100 DEG C, 110 DEG C, 115 DEG C, 118 DEG C) discharge afterwards.
In the above method, as a kind of preferred embodiment, in the residue cooling step, the material conveying mechanism Rotating speed frequency conversion in the range of 5-15r/min (such as 6r/min, 8r/min, 10r/min, 12r/min, 14r/min) is adjustable, according to Depending on actual conditions, general control is in 10r/min or so.
In the above method, as a kind of preferred embodiment, further include:At the waste heat and gas that pyrolysis charring step produces Manage the waste heat recovery step that step produces;And the low-temperature flue gas to being produced after the gas waste-heat recycling of gas processing step is net Change processing step, low-temperature flue gas is handled into rear discharge up to standard.
Using the device of the application, greasy filth pyrolysis charring treating capacity will need to set according to actual treatment, it is generally the case that The treating capacity of greasy filth is 3~5 ton days, and residue yield is about 120-192Kg/ days, and the level of residue that method of the invention produces is few, The gas of generation outer row after burning, fully meets the discharge standard in country and place.
Embodiment
A kind of continous way steel rolling greasy filth pyrolysis charring processing unit that this preferred embodiment provides, structure was as shown in Figure 1, should Device includes:
Apparatus for feeding, including feed pipe 1, its one end are connected with exterior screw pump, for inputting thing to pyrolysis charring storehouse 2 Expect (steel rolling greasy filth), the other end of feed pipe 1 is connected with the entrance in pyrolysis charring storehouse 2.
Pyrolysis charring equipment includes:Pyrolysis charring storehouse 2, material conveying mechanism and heating equipment.
Pyrolysis charring storehouse 2, is provided with 4, the entrance in the first pyrolysis charring storehouse 21 connects feed pipe 1, the first pyrolytic carbon altogether The solid matter outlet for changing storehouse 21 is connected with the entrance in the second pyrolysis charring storehouse 22, and the solid material in the second pyrolysis charring storehouse 22 goes out Mouth is connected with the entrance in the 3rd pyrolysis charring storehouse 23, the solid matter outlet in the 3rd pyrolysis charring storehouse 23 and the 4th pyrolysis charring storehouse 24 entrance connection;The outlet in the 4th pyrolysis charring storehouse 24 is connected with cooling device;In order to save place, miniaturization of the apparatus, Each pyrolysis charring storehouse is placed side by side about 2.
Material conveying mechanism, is arranged at the inside in each pyrolysis charring storehouse 2, specifically using screw conveyor shaft, helical feed Motor outside axis connection, is moved under motor driving, to complete the upset transportation work to greasy filth.
Heating equipment uses gas heating (combustion gas is specially natural gas), and heating component is heating furnace, and heating furnace is as one A entirety surrounds the outside for being arranged at above-mentioned 4 pyrolysis charring storehouses 2;The housing 3 of heating furnace is equipped with fuel gas inlet, smoke outlet 10th, cleaning door 8;Wherein, fuel gas inlet is arranged at the lower section of heating furnace, fuel gas inlet set combustor 9 (i.e. heating source) with to Heat is provided in the burner hearth 13 of heating furnace, the working status of combustor 9 is controlled by switch valve;Cleaning door 8 is also disposed on heating The lower section of stove, for regular irregular artificial deashing;Smoke outlet 10 is arranged at the top of heating furnace, for discharging heating-furnace High-temperature flue gas in thorax.
Cooling device, including horizontally disposed, the internal cooling for being the cooling storehouse 5 of hollow tubular and being arranged at outside cooling storehouse Component;Cooling component is cooling water tank 6;The arrival end of cooling storehouse 5 has entrance, passes through going out for pipeline and the 4th pyrolysis charring storehouse Mouth connection, pipeline is equipped with high-temperature rotary valve 4 (referring to Fig. 1, high-temperature rotary valve 4 is arranged at the outside of the housing 3 of heating furnace), cold But the port of export lower part in storehouse 5 is equipped with discharge port 7, and screw conveyor shaft is additionally provided with inside cooling storehouse 5.
Combustible gas processing equipment, including burner 12, ventilation shaft and combustion fan 11;Burner 12 is sleeve structure, Including diversion pipe 121 and the combustion tube being sheathed on outside draft tube outlets end 122;Diversion pipe 121 and the gas in pyrolysis charring storehouse 2 Body outlet connection, the gas (containing imflammable gas) for exporting pyrolysis charring processing in pyrolysis charring storehouse 2 and producing extremely fire Burn pipe 122;One end of combustion tube 122 is connected with ventilation shaft, receives the air for coming from the input of combustion fan 11, and the other end is The port of export, its opening direction is consistent with the opening direction of the port of export of diversion pipe, but the port of export ratio of combustion tube 122 is sheathed on combustion 121 port of export of diversion pipe burnt in pipe 122 will protrude a distance, to form the place of burning processing.In the present embodiment, due to There are four pyrolysis charring storehouses 2 in burner hearth 13, correspondingly, burner 12 is also provided with 4, specifically, on each pyrolysis charring storehouse 2 The gas vent in portion is all connected with diversion pipe 121, and combustion tube 122 is arranged with outside the port of export of each diversion pipe 121;Each One end of combustion tube 122 is all connected with ventilation duct, and the ventilation duct other end is connected with the combustion fan 11 of outside, all burners 12 It is all located inside the burner hearth 13 of heating furnace, the high-temperature flue gas of generation can be as the supplement of the high-temperature flue gas of fuel gas buring generation Pyrolysis charring processing in pyrolysis charring storehouse 2 provides heat.
Temperature sensor and electrical control equipment, temperature sensor is arranged on pyrolysis charring storehouse 2, for collecting pyrolytic carbon Change the temperature data in storehouse 2, temperature sensor is connected with electric control system, and the temperature data of collection is sent to electric-controlled System processed;When the temperature that temperature sensor detects is less than the design temperature of electric control system, electric control system is sent Instruction starts heating equipment heat make-up heat;When the temperature that temperature sensor detects is higher than the setting temperature of electric control system When spending, electric control system, which sends instruction, closes electric heating equipment and stops heating, voluntarily circular response in storehouse.
Smoke and waste steam boiler, is connected with the smoke outlet 10 of heating furnace, for being carried out to the high-temperature flue gas discharged in heating furnace Cooling, while its converting heat is used for hot water or steam.
Further include:Low-temperature flue gas processing unit and air-introduced machine, low-temperature flue gas processing unit is by bag-type dust and activated carbon mistake Filter forms exhaust treatment system, and mainly the low-temperature flue gas (temperature≤200 DEG C) of smoke and waste steam boiler output is carried out at filtering Reason;Air-introduced machine makes all have certain negative pressure in the burner hearth 13, smoke and waste steam boiler, flue gas processing device of heating furnace, discharge Handle flue gas up to standard.
Referring to Fig. 3, the operating process of above device is as follows:
1) preheat:Pre-heating temperature is set as 850 DEG C by electric control system first, starts combustor 9 and is preheated, It can be produced after reaching design temperature;
2) feed:By pending greasy filth through feed pipe 1, it is sent into pyrolysis charring storehouse 2;
3) pyrolysis charring:The greasy filth entered in pyrolysis charring storehouse 2 is stirred and advanced under the action of screw conveyor shaft, oil Decomposition takes place in mud in anaerobic hot environment, produces imflammable gas (and other gases) and residue.In this step, charcoal It is 850 DEG C to change temperature, and pyrolysis charring time 15min or so, i.e. greasy filth are from the first pyrolysis charring storehouse is entered to the pyrolysis of discharge the 4th This period for carbonizing storehouse is 15min or so, and 3 ton day for the treatment of capacity, i.e., when about 130Kg/ is small, revolution speed of screw is adjusted to 15r/ min。
4) cool down:Pass through the second rotation by solid matter outlet of the residue through the 4th pyrolysis charring storehouse that pyrolysis charring produces Rotary valve 4 enters cooling storehouse 5, and the effect of the second rotary valve 4 is to drive rotation residue to be sent into cooling storehouse 5 and can be with by motor Pyrolysis charring storehouse is isolated with outside air, avoid oxygen from entering, while heating furnace heat can be kept;Residue is in cooling storehouse Stir and advance under the action of screw conveyor shaft in 5, cooling storehouse 5 is equipped with and follows cooling water tank 6, and residue is cooled to 100 DEG C of left sides Discharge through discharge port 7 behind the right side, accepted with container.In the present embodiment, cooling treatment amount is obtained with above-mentioned pyrolysis charring step Residue yield be adapted, about 8Kg/h, revolution speed of screw 10r/min.
5) in pyrolysis charring storehouse 2 it is at this time positive pressure, pyrolysis charring processing produces gas (containing imflammable gas), by leading Flow tube 121 is entered in combustion tube 122, and air is sent into combustion tube 122 by combustion fan 11 by ventilation shaft, and from combustion tube Intermediate course space between 122 and diversion pipe 121 sprays at a high speed, and siphonage is formed to the imflammable gas of intermediate core layer, Drive imflammable gas to flow out from diversion pipe 121 and mixed with air, while burn under high temperature action, through fully burning Afterwards, flue gas is discharged burner 12, into the burner hearth 13 of heating furnace, then with the high-temperature flue gas in burner hearth 13 through smoke outlet 10 It is sent into smoke and waste steam boiler and carries out waste heat recovery, then low-temperature flue gas enters low-temperature flue gas processing unit through bag-type dust and activity Charcoal filters, and is discharged after up to standard.
Continous way steel rolling greasy filth pyrolysis charring processing unit provided in this embodiment is right at 1450 milling train scene of Shandong China Shandong The steel rolling greasy filth of its emulsion filtration system has carried out processing experiment, the results are shown in Table 1, data, which can be seen that, from the table achieves Good effect, can achieve the purpose that the absolute contracting amount of danger wastes continuously by the complete pyrolysis charring of steel rolling greasy filth (residue is only the 4-10% of crude oil mud weight).The component of residue is mainly charcoal, iron oxide and inorganic impurity after processing.
Table 1 carries out the result of processing experiment using the device that the preferred embodiment of the present invention provides
Above-described embodiment is the demonstration experimental provision of continous way steel rolling greasy filth pyrolysis charring processing unit provided by the invention, Day output is 3 tons or so steel rolling greasy filth.The device of different output can also be designed according to different demands, wherein, some techniques Parameter such as revolution speed of screw, treating capacity etc. can be adjusted according to equipment, material, technique etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of continous way steel rolling greasy filth pyrolysis charring processing unit, it is characterised in that described device includes:
Apparatus for feeding;
Pyrolysis charring equipment, including:Pyrolysis charring storehouse, material conveying mechanism and heating equipment;Wherein, the pyrolysis charring storehouse with The apparatus for feeding connection, is the place for receiving the material from the apparatus for feeding and pyrolysis charring processing being carried out to material; The material conveying mechanism is arranged in the pyrolysis charring storehouse, for the material in the pyrolysis charring storehouse is defeated from input terminal Send to output terminal;The heating equipment, for maintaining to react required temperature in the pyrolysis charring storehouse;
Cooling device, is connected with the solid matter outlet of the pyrolysis charring equipment, for being discharged to the pyrolysis charring equipment Residue carry out cooling treatment;
Combustible gas processing equipment, is connected with the gas vent of the pyrolysis charring equipment, for arranging the pyrolysis charring equipment The gas gone out carries out burning processing.
2. continous way steel rolling greasy filth pyrolysis charring processing unit according to claim 1, it is characterised in that the charging is set Standby to include screw pump and feed pipe, the screw pump is connected by the feed pipe with the entrance of pyrolysis charring equipment.
3. continous way steel rolling greasy filth pyrolysis charring processing unit according to claim 1 or 2, it is characterised in that described cold But equipment, including cooling storehouse and cooling component;Wherein, the cooling storehouse includes cooling storehouse body, arrival end, the port of export;It is described The inside of cooling storehouse body is hollow tubular;The arrival end top of the cooling storehouse has entrance, with the pyrolysis charring equipment Solid matter outlet connection;The port of export lower part of the cooling storehouse is equipped with discharge port;The cooling component is arranged at described cold But the outside of storehouse body, the water inlet of the cooling component are connected by cooling water control valve with cooling water supply equipment;
Preferably, the cooling storehouse is internally provided with material conveying mechanism, for entrance of the residue from the cooling storehouse to be delivered to The discharge port of the cooling storehouse;
It is highly preferred that the junction of the pyrolysis charring equipment and the cooling storehouse is equipped with high-temperature rotary valve.
4. continous way steel rolling greasy filth pyrolysis charring processing unit according to any one of claim 1-3, it is characterised in that The combustible gas processing equipment includes:Burner, ventilation shaft and combustion fan;Wherein,
The burner includes diversion pipe and the combustion tube being sheathed on outside draft tube outlets end;The diversion pipe and the heat The gas vent connection in solution charing storehouse;One end of the combustion tube is connected with the ventilation shaft, the opening direction of the other end with The export direction of the diversion pipe is consistent, and the other end of the combustion tube than the diversion pipe the port of export protrude one section away from From to form the place of burning processing;The combustion fan is given in the combustion tube by ventilation shaft and supplies air.
5. the continous way steel rolling greasy filth pyrolysis charring processing unit according to any one of claim 1-4, it is characterised in that The material conveying mechanism is screw conveyor shaft;Preferably, the pyrolysis charring storehouse is provided with 2-5, along the traveling of material Direction, the solid matter outlet in each preceding pyrolysis charring storehouse are connected with the entrance in the pyrolysis charring storehouse thereafter; A material conveying mechanism is designed with each pyrolysis charring storehouse;
It is highly preferred that the pyrolysis charring equipment is provided with 4 pyrolysis charring storehouses, wherein, the entrance in the first pyrolysis charring storehouse connects The apparatus for feeding is connect, the solid matter outlet in the first pyrolysis charring storehouse is connected with the entrance in the second pyrolysis charring storehouse, institute The solid matter outlet for stating the second pyrolysis charring storehouse is connected with the entrance in the 3rd pyrolysis charring storehouse, the 3rd pyrolysis charring storehouse Solid matter outlet is connected with the entrance in the 4th pyrolysis charring storehouse;The outlet in the 4th pyrolysis charring storehouse and the cooling device Connection;It is further preferred that each pyrolysis charring storehouse is placed in parallel up and down.
6. the continous way steel rolling greasy filth pyrolysis charring processing unit according to any one of claim 1-5, it is characterised in that Heating equipment includes heating component, the heating source that be connected with the heating component, and for control the heating source heat and No switch valve.
7. continous way steel rolling greasy filth pyrolysis charring processing unit according to claim 6, it is characterised in that the heating group Part is resistance wire, and the resistance wire is around the outside for being arranged at the pyrolysis charring storehouse;Preferably, the heating component further includes Pipeline is heated, the heating pipeline is around the outside for being arranged at the pyrolysis charring storehouse, the heating pipeline and the burner Connection, the pyrolysis charring storehouse is transferred to by the heat that smoke combustion produces by the heating pipeline;
Alternatively,
The heating component is heating furnace, and the heating furnace surrounds the outside for being arranged at all pyrolysis charring storehouses, described to add At least provided with fuel gas inlet, smoke outlet, cleaning door on the housing of hot stove;The fuel gas inlet is arranged under the heating furnace It is square, combustor is set at the fuel gas inlet, switch valve is set on the combustor;The cleaning door is arranged at the heating furnace Lower section;The smoke outlet is arranged at the top of heating furnace, for discharging high-temperature flue gas;Preferably, the burner is located at institute State the inside of heating furnace.
8. the continous way steel rolling greasy filth pyrolysis charring processing unit according to any one of claim 1-7, it is characterised in that The continous way steel rolling greasy filth pyrolysis charring processing unit further includes:Detector unit and electric control system;Wherein,
Detector unit, is arranged on the pyrolysis charring storehouse, and is connected with the electric control system, for collecting temperature Data are simultaneously sent to electric control system;
Electric control system, at least switch valve with the detector unit and the heating equipment are connected, for receiving State the temperature data of detector unit transmission and the instruction control heating is sent according to the comparing result with design temperature and set Standby working status;Preferably, when the temperature data of detector unit transmission reaches the setting temperature of electric control system When spending, electric control system sends the instruction for closing the heating equipment;When the temperature data of detector unit transmission Not up to the design temperature of electric control system when, electric control system sends the instruction for opening the heating equipment;
Preferably, the electric control system is also arranged at the institute in the pyrolysis charring storehouse with the high-temperature rotary valve, control State the motor of material conveying mechanism operating, control is arranged at the motor, described of the material conveying mechanism operating in the cooling storehouse At least one of cooling water control valve connects, to regulate and control to corresponding component;
It is highly preferred that the exit of the cooling storehouse also is provided with detector unit, the detector unit and described cold But water control valve is connected with the electric control system, for collect cool down after residue temperature data and be sent to it is described electrically Control system, the electric control system send corresponding regulation and control according to the cooling temperature of setting to the cooling water control valve Instruction;
It is further preferred that the electrical control equipment is PLC control system, the detector unit is temperature sensor.
9. the continous way steel rolling greasy filth pyrolysis charring processing unit according to any one of claim 1-8, it is characterised in that The continous way steel rolling greasy filth pyrolysis charring processing unit further includes:Smoke and waste steam boiler, low-temperature flue gas processing unit and air inducing Machine;Wherein, the smoke and waste steam boiler is connected with the smoke outlet of the heating furnace;The low-temperature flue gas processing unit and the cigarette The smoke outlet connection of gas waste heat boiler, the exhaust outlet of the low-temperature flue gas processing unit are connected with the air-introduced machine;Preferably, institute Stating low-temperature flue gas processing unit includes bag-type dust collector and active carbon filtering device.
10. a kind of continous way steel rolling greasy filth pyrolysis charring processing method, it is characterised in that using any one of claim 1-9 The continous way steel rolling greasy filth pyrolysis charring processing unit is implemented, and in turn includes the following steps:
Preheating step:Start heating equipment heating, after the pyrolysis charring storehouse reaches predetermined temperature, start by it is described into Material equipment is handled to pyrolysis charring storehouse input greasy filth;
Pyrolysis charring step:It is hot in being carried out in the pyrolysis charring storehouse under the continuous transmission of the material conveying mechanism to greasy filth Solve charing process;
Residue cooling step:By the residue that pyrolysis charring step obtains in carrying out cooling treatment in the cooling storehouse, it is then discharged out;
Gas processing step:The gas that pyrolysis charring step is obtained carries out burning processing, then discharges.
Preferably, the predetermined temperature is 800-900 DEG C;The cycle of the pyrolysis charring processing is 12-18min;
Preferably, in the pyrolysis charring step, the imflammable gas that is produced in the pyrolysis charring storehouse and the air that is passed through Volume ratio is 1:10-15;
Preferably, in the residue cooling step, the temperature of the residue is discharged after being down to 60 DEG C -120 DEG C;
Preferably, in the pyrolysis charring step, the rotating speed of the material conveying mechanism is 0~40r/min;More preferably 18- 22r/min;In the residue cooling step, the rotating speed of the material conveying mechanism is 5-15r/min;More preferably 10r/min;
It is further preferred that the continous way steel rolling greasy filth pyrolysis charring processing method further includes:The pyrolysis charring step The flue gas waste heat recovery step of waste heat and the gas processing step;And the low-temperature flue gas produced after flue gas waste heat recovery Processing step, rear discharge up to standard is handled by low-temperature flue gas.
CN201711394912.1A 2017-12-15 2017-12-21 A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method Pending CN107963796A (en)

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CN109485224A (en) * 2018-12-27 2019-03-19 山东祥桓环保工程有限公司 A kind of vacuum spiral spin axis bag filter
CN110330204A (en) * 2019-07-17 2019-10-15 安泰环境工程技术有限公司 A kind of pyrolysis charring device and method for steel rolling oil-sludge treatment
WO2020029654A1 (en) * 2018-08-04 2020-02-13 盘锦宁泰能源科技有限公司 Harmless intelligent oil sludge pyrolysis treatment apparatus and treatment method

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CN109870975A (en) * 2019-03-27 2019-06-11 中科天龙(厦门)环保股份有限公司 A kind of intelligence system being carbonized for controlling greasy filth pyrolysis

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WO2020029654A1 (en) * 2018-08-04 2020-02-13 盘锦宁泰能源科技有限公司 Harmless intelligent oil sludge pyrolysis treatment apparatus and treatment method
CN109485224A (en) * 2018-12-27 2019-03-19 山东祥桓环保工程有限公司 A kind of vacuum spiral spin axis bag filter
CN110330204A (en) * 2019-07-17 2019-10-15 安泰环境工程技术有限公司 A kind of pyrolysis charring device and method for steel rolling oil-sludge treatment

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