CN105737171B - A kind of blast furnace waste oil blowing device - Google Patents
A kind of blast furnace waste oil blowing device Download PDFInfo
- Publication number
- CN105737171B CN105737171B CN201610178704.7A CN201610178704A CN105737171B CN 105737171 B CN105737171 B CN 105737171B CN 201610178704 A CN201610178704 A CN 201610178704A CN 105737171 B CN105737171 B CN 105737171B
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- Prior art keywords
- waste oil
- atomization
- distributor
- atomizer
- blast furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/05—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste oils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/101—Supplementary heating arrangements using auxiliary fuel solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/102—Waste oil
Abstract
The present invention relates to offal treatment field, more particularly to a kind of blast furnace waste oil blowing device, the device includes storage container, supply unit, distributor and atomization unit.Storage container is connected with supply unit, and supply unit is connected with distributor.Distributor is connected with atomization unit, and distributor is connected with least one atomization unit.Atomization unit is connected with pulverized coal injection pipeline, and the waste oil lipoprotein mixture after atomization unit atomization is through pulverized coal injection pipeline to blast-furnace roasting.Blast furnace waste oil blowing device provided by the invention, waste oil lipoprotein mixture in storage container is delivered to atomizer after supply unit is pressurized, the allocated device distributes and carries out atomization process, waste oil lipoprotein mixture after atomization is through pulverized coal injection pipeline to blast-furnace roasting, sprayed after being processed into high pressure fog state exists due to waste oil lipoprotein mixture, it can fully be burnt moment when spraying into blast furnace, avoid producing the extremely toxic substances such as dioxin, furans.Meanwhile the heat caused by waste oil that burns can be used in production.
Description
Technical field
The present invention relates to offal treatment field, more particularly to a kind of blast furnace waste oil blowing device.
Background technology
Oil substances be widely used in the hydraulic pressure in the fields such as metallurgical, machining, lubrication, wear-resistant, fire-resistant, leakproof,
In the operations such as sealing, antirust.After grease long-term use the index such as its moisture, viscosity, acidity, cleannes can gradually be deteriorated, it is necessary to
Periodic replacement.Grinding fluid is needed to use when being ground in System on Rolling Steel using roll, cold-rolled process also needs to use emulsion,
These greases follow for a long time due to the addition of the chemical substances such as substantial amounts of stabilizer, anticoagulant, preservative, thickener, toner
Ring turns into danger wastes after using rear which part Oxidation of Fat and Oils, it is necessary to landfill disposal again after being burned.
The burning disposal of grease is after waste oil press filtration, being dehydrated, go the removal of impurity, to load burner as cheap fuel
Middle burning.Usually used burner is rotary kiln, needs during burning to be blown the fuel such as diesel oil and waste oil is heated, draw
Combustion, recycles the rotation of rotary kiln to fall incendivity part completely burned in waste oil.In addition, burning after ashes also need into
Row specialty landfill.Because the temperature in incinerator is usually 900~1100 DEG C, waste oil burning is insufficient, and waste oil is relatively low
At a temperature of burning can produce the extremely toxic substances such as a large amount of dioxin, furans, these materials be diffused into air be difficult degraded.
The content of the invention
The embodiment of the present invention solves waste oil in the prior art and burnt by providing a kind of blast furnace waste oil blowing device
It is difficult to clean-burning technical problem in burning processing so that waste oil can fully burn moment in blast furnace, avoid generation two
Dislike the extremely toxic substances such as English, furans.Meanwhile the heat caused by waste oil that burns can be used in production and life.
The embodiments of the invention provide a kind of blast furnace waste oil blowing device, including：Storage container, supply unit, distribution
Device and atomization unit；
The storage container is used to store waste oil lipoprotein mixture, and the storage container is connected with the supply unit, described
Supply unit is connected with the distributor；The waste oil lipoprotein mixture of the storage container is delivered to after supply unit supercharging
The distributor；
The distributor is connected with the atomization unit, and the distributor is connected with least one atomization unit, institute
The atomization unit will be delivered to and be atomized after the distribution of waste oil lipoprotein mixture by stating distributor；
The atomization unit is connected with pulverized coal injection pipeline, described in the waste oil lipoprotein mixture warp after the atomization unit atomization
Pulverized coal injection pipeline is to blast-furnace roasting.
Further, the supply unit includes：Slush pump and multiple coil force (forcing) pump；
The input of the slush pump is connected with the storage container, the output end of the slush pump and the multiple coil
The input connection of force (forcing) pump, the output end of the multiple coil force (forcing) pump are connected with the distributor.
Further, the distributor includes：Distributor body, straight pipe, the first inlet nozzle and oil outlet；
It is hollow structure inside the distributor body；
First inlet nozzle is fixedly connected with the distributor body, and first inlet nozzle adds with the multiple coil
The output end connection of press pump；
The oil outlet is fixedly connected with the distributor body, and the oil outlet is connected with the atomization unit；
An at least straight pipe, the both ends difference of each straight pipe are fixed with inside the distributor body
It is connected with two oil outlets, multiple anti-blocking fuel feed holes is uniformly offered on the straight pipe.
Further, the atomization unit includes：Atomizer and compressed air connecting tube；
The atomizer is connected with the oil outlet；
The atomizer is connected with the compressed air hose.
Further, first inlet nozzle is arranged on the bottom of the distributor body.
Further, the diameter of the anti-blocking fuel feed hole is less than 3mm.
Further, the atomizer includes：Atomizer body, suction nozzle, the second inlet nozzle, atomization oil gas output and
Pipeline through type swirl vane；
The atomizer body interior is provided with chamber, and the pipeline through type swirl vane is provided with the chamber；
One end of the suction nozzle is connected with the compressed air connecting tube, the other end of the suction nozzle and the atomization
The front end of device body is fixedly connected, and the suction nozzle communicates with the intrinsic chamber of the atomizer；
One end of the atomization oil gas output is fixedly connected with the rear end of the atomizer body, and the atomization oil gas is defeated
The other end for going out part is connected with pulverized coal injection pipeline；The atomization oil gas output and the intrinsic chamber phase of the atomizer
It is logical；
Second inlet nozzle is fixedly connected with the sidepiece of the atomizer body, second inlet nozzle and the atomization
The intrinsic chamber of device is fixedly connected；Second inlet nozzle is at least one, and second inlet nozzle is around the atomizer
Body side is circularly and evenly distributed.
Further, the front end inner chamber of the atomizer body is Laval nozzle shape.
Further, second inlet nozzle is six.
Further, in addition to：Mixer；The mixer is connected with the storage container, and the mixer is used to stir
Mix the waste oil lipoprotein mixture inside the storage container.
One or more technical schemes provided in an embodiment of the present invention, at least possess following beneficial effect or advantage：
1st, blast furnace waste oil blowing device provided in an embodiment of the present invention, the waste oil lipoprotein mixture in storage container is through conveying
Atomizer is delivered to after unit supercharging, the distribution of the allocated device and carries out atomization process, and the waste oil lipoprotein mixture after atomization sprays through blast furnace
Coal pipeline is delivered to blast-furnace roasting, is sprayed after being processed into high pressure fog state exists due to waste oil lipoprotein mixture, can when spraying into blast furnace
Moment fully burns, and avoids producing the extremely toxic substances such as dioxin, furans.Meanwhile the heat caused by waste oil that burns can be used for giving birth to
In production.
2nd, blast furnace waste oil blowing device provided in an embodiment of the present invention, multiple anti-blocking oil-feeds are uniformly offered on straight pipe
Hole, anti-blocking fuel feed hole can effectively prevent sediment in distributor and decorating film from entering atomizer, prevent atomizer from blocking, and improve
The service life of blast furnace waste oil blowing device.
3rd, blast furnace waste oil blowing device provided in an embodiment of the present invention, the first inlet nozzle are arranged on the bottom of distributor body
Portion, it is convenient to clean being deposited on the sediment of distributor body bottom.
4th, blast furnace waste oil blowing device provided in an embodiment of the present invention, pipe is provided with the chamber of atomizer body interior
Road through type swirl vane, increases the spouting velocity of waste oil lipoprotein mixture, further increases atomizing effect.
5th, blast furnace waste oil blowing device provided in an embodiment of the present invention, the front end inner chamber of atomizer body are sprayed for Lavalle
Tube shape, increase flow velocity, improve atomizing effect.
6th, blast furnace waste oil blowing device provided in an embodiment of the present invention, atomization unit are provided with compressed air connecting tube,
The atomizing effect of waste oil lipoprotein mixture can be improved by being passed through compressed air, contributed to combustion-supporting waste oil and prevented pulverized coal injection pipeline
Tempering.
Brief description of the drawings
Fig. 1 is blast furnace waste oil blowing device structural representation provided in an embodiment of the present invention；
Fig. 2 is distributor front view provided in an embodiment of the present invention；
Fig. 3 is distributor sectional view provided in an embodiment of the present invention；
Fig. 4 is atomizer side view provided in an embodiment of the present invention；
Fig. 5 is atomizer sectional view provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention solves waste oil in the prior art and burnt by providing a kind of blast furnace waste oil blowing device
It is difficult to clean-burning technical problem in burning processing so that waste oil can fully burn moment in blast furnace, avoid generation two
Dislike the extremely toxic substances such as English, furans.Meanwhile the heat caused by waste oil that burns can be used in production.
Referring to Fig. 1~Fig. 5, the embodiments of the invention provide a kind of blast furnace waste oil blowing device, blast furnace waste oil spray
Blowing apparatus includes：Storage container 2, mixer 1, supply unit, distributor 5 and atomization unit.Storage container 2 is used to store waste oil
Lipoprotein mixture；Mixer 1 is connected with storage container 2, and mixer 1 is used to stir the waste oil lipoprotein mixture inside storage container 2.Deposit
Storage container 2 is connected with supply unit, and supply unit is connected with distributor 5, and the waste oil lipoprotein mixture of storage container 2 is through supply unit
Distributor 5 is delivered to after pressurized treatment.Distributor 5 is connected with atomization unit, and distributor 5 is connected with least one atomization unit,
Distributor 5 is delivered to atomization unit and carries out atomization process after waste oil lipoprotein mixture is distributed.Atomization unit and pulverized coal injection pipeline
Connection, the waste oil lipoprotein mixture after atomization unit atomization are delivered to blast furnace through pulverized coal injection pipeline (including triple valve, coal powder lance)
Burning.
Specifically, referring to Fig. 1~Fig. 5, supply unit includes slush pump 3 and multiple coil force (forcing) pump 4, and distributor 5 includes
Distributor body 51, straight pipe, the first inlet nozzle 53 and oil outlet 52, atomization unit includes atomizer 6 and compressed air connects
Pipe 7, atomizer 6 include atomizer body 61, suction nozzle 62, the second inlet nozzle 63, atomization oil gas output 64 and pipeline and led directly to
Formula swirl vane.
Referring to Fig. 1, the input of slush pump 3 is connected with storage container 2, and the input of slush pump 3 sets 2mm filtering
Net, and the position height of suitable control suction inlet, the large granular materials of precipitation are prevented to be inhaled into.The output end of slush pump 3 with it is more
The input connection of level screw press pump 4, slush pump 3 are used to the waste oil lipoprotein mixture in storage container 2 being pumped into multiple coil
Force (forcing) pump 4.The output end of multiple coil force (forcing) pump 4 is connected with the first inlet nozzle 53, and multiple coil force (forcing) pump 4 is used for waste oil
Mixture carries out pressurized treatment.
Referring to Fig. 1~Fig. 3, the inside of distributor body 51 is hollow structure；First inlet nozzle 53 is arranged on distributor body
51 bottom, it is easy to be deposited on the sediment of the bottom of distributor body 51 by the cleaning of the first inlet nozzle 53；First inlet nozzle 53
It is fixedly connected with distributor body 51, the first inlet nozzle 53 connects the inside of distributor body 51.Oil outlet 52 and distributor sheet
Body 51 is fixedly connected, and oil outlet 52 connects the inside of distributor body 51.At least one is fixed with inside distributor body 51 directly
Siphunculus (the present embodiment uses six roots of sensation straight pipe), the both ends of each straight pipe are connected with two oil outlets 52 respectively, straight pipe
On uniformly offer multiple anti-blocking fuel feed holes 54, the diameter of anti-blocking fuel feed hole 54 is less than 3mm, and anti-blocking fuel feed hole 54 is used to preventing point
Sediment and decorating film in orchestration 5 enter atomizer 6, prevent atomizer 6 from blocking.In addition, can be another the first of distributor 5
Inlet nozzle 53 connects a switching ball and waste oil return duct, controls waste oil lipoprotein mixture to be back to storage element by switching ball
Or in multiple coil force (forcing) pump, prevent commissioning device from being polluted to site environment.
Referring to Fig. 1, Fig. 4 and Fig. 5, atomizer body 61 is internally provided with chamber, and the rotation of pipeline through type is provided with chamber
Blade is flowed, pipeline through type swirl vane increases the spouting velocity of waste oil lipoprotein mixture, further increases atomizing effect；Mist
Change the front end inner chamber (part for chamber) of device body 61 and be designed as Laval nozzle shape, for increasing flow velocity, to improve atomization
Effect.One end of suction nozzle 62 is connected with compressed air connecting tube 7, the other end of suction nozzle 62 and the front end of atomizer body 61
It is fixedly connected, suction nozzle 62 communicates with the chamber in atomizer body 61；Compressed air hose is connected with compressed air gas source, is passed through
Compressed air hose is passed through compressed air in atomizer 6, improves the atomizing effect of waste oil lipoprotein mixture, combustion-supporting waste oil and anti-
Only pulverized coal injection pipe backfire.One end of atomization oil gas output 64 is fixedly connected with the rear end of atomizer body 61, fogging oil
The other end of gas output 64 is connected with pulverized coal injection pipeline, atomization oil gas output 64 and the chamber phase in atomizer body 61
It is logical.Second inlet nozzle 63 is fixedly connected with the sidepiece of atomizer body 61, the second inlet nozzle 63 and the chamber in atomizer body 61
Room is fixedly connected；Second inlet nozzle 63 is at least one (the present embodiment uses six the second inlet nozzles 63), the second inlet nozzle 63
It is circularly and evenly distributed around the sidepiece of atomizer body 61.Second inlet nozzle 63 is connected with oil outlet 52, the waste oil in distributor 5
Lipoprotein mixture inputs atomizer 6 through the inlet nozzle 63 of oil outlet 52 and second.
Referring to Fig. 1~Fig. 5, the application method of blast furnace waste oil blowing device provided in an embodiment of the present invention is as follows：
By useless grinding fluid, emulsion, waste oil etc. with cucurbitula car transport to scene storage element in, variety classes or batch
Secondary waste oil can be deposited respectively, also can mixed storage by a certain percentage.Using mixer 1 by the waste oil in storage container 2
Lipoprotein mixture stirs, and increases the mobility of waste oil lipoprotein mixture.Compressed air is first passed through before waste oil lipoprotein mixture is blown,
Pipe backfire when preventing from opening triple valve.Waste oil lipoprotein mixture suction multiple coil force (forcing) pump is pressurizeed using slush pump 3,
Waste oil lipoprotein mixture after the pressurization of multiple coil force (forcing) pump inputs distributor 5 through pipeline, and waste oil lipoprotein mixture passes through distributor 5
The first oil inlet, anti-blocking fuel feed hole 54, oil-out enter in the through type rotating vane of atomizer 6, carry out in the atomizer 6
High-pressure machinery is sprayed into In Raceway Before Tuyere of Blast Furnace after being atomized and being mixed with compressed air to be burnt.
In actual applications, one triple valve can be installed in blast-furnace tuyere coal powder lance and coal chute road junction, for fast
Speed cut-out or the connection for opening coal powder lance and coal injection pipe or spray bar, ensure a pipe in any time coal injection pipe or spray bar
Road keeps connecting with coal powder lance.Triple valve can be adjusted during injection waste oil lipoprotein mixture by, which stopping, carrying out coal powder injection, is not influenceing blast furnace just
Often production.Contain substantial amounts of water (about more than 90%) in useless grinding fluid and waste emulsified mixture under normal circumstances, can be by precipitating, filtering
The methods of decrement treatment is carried out before injection, to reduce blast furnace blowing treating capacity, and mitigate the influence to blast furnace.It is in addition, industrial
It generally can also contain some debris, such as iron scale, trade waste in waste oil, mixer can be passed through in storage element
1 stirring is allowed to separate with grease, and is finally deposited in tank bottom, is cleared up after injection terminates.
Blast furnace waste oil blowing device provided in an embodiment of the present invention at least possesses following beneficial effect：
Blast furnace waste oil blowing device provided in an embodiment of the present invention, the waste oil lipoprotein mixture in storage container are single through conveying
Atomizer is delivered to after member supercharging, the distribution of the allocated device and carries out atomization process, and the waste oil lipoprotein mixture after atomization is through pulverized coal injection
Pipeline is sprayed after being processed into high pressure fog state exists due to waste oil lipoprotein mixture to blast-furnace roasting, can wink when spraying into blast furnace
Between fully burn, avoid producing dioxin, the extremely toxic substance such as furans.Meanwhile the heat caused by waste oil that burns can be used for producing
In.
Blast furnace waste oil blowing device provided in an embodiment of the present invention, multiple anti-blocking oil-feeds are uniformly offered on straight pipe
Hole, anti-blocking fuel feed hole can effectively prevent sediment in distributor and decorating film from entering atomizer, prevent atomizer from blocking, and improve
The service life of blast furnace waste oil blowing device.
Blast furnace waste oil blowing device provided in an embodiment of the present invention, the first inlet nozzle are arranged on the bottom of distributor body
Portion, it is convenient to clean being deposited on the sediment of distributor body bottom.
Blast furnace waste oil blowing device provided in an embodiment of the present invention, pipeline is provided with the chamber of atomizer body interior
Through type swirl vane, the spouting velocity of waste oil lipoprotein mixture is increased, further increases atomizing effect.
Blast furnace waste oil blowing device provided in an embodiment of the present invention, the front end inner chamber of atomizer body is Laval nozzle
Shape, increase flow velocity, improve atomizing effect.
Blast furnace waste oil blowing device provided in an embodiment of the present invention, atomization unit are provided with compressed air connecting tube, lead to
The atomizing effect of waste oil lipoprotein mixture can be improved by entering compressed air, contributed to combustion-supporting waste oil and prevented pulverized coal injection back of pipeline
Fire.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (8)
- A kind of 1. blast furnace waste oil blowing device, it is characterised in that including：Storage container, supply unit, distributor and atomization are single Member；The supply unit includes：Slush pump and multiple coil force (forcing) pump；The storage container is used to store the waste oil, and the input of the slush pump is connected with the storage container, described The output end of slush pump is connected with the input of the multiple coil force (forcing) pump, the output end of the multiple coil force (forcing) pump and institute State distributor connection；The waste oil of the storage container is delivered to the distributor after supply unit supercharging；The distributor is connected with the atomization unit, and the distributor is delivered to the atomization after the waste oil is distributed single Member is atomized；The atomization unit is connected with pulverized coal injection pipeline, and the waste oil after the atomization unit atomization is through the pulverized coal injection pipe Road is delivered to blast-furnace roasting；The distributor includes：Distributor body, straight pipe, the first inlet nozzle and oil outlet；It is hollow structure inside the distributor body；First inlet nozzle is fixedly connected with the distributor body, and the inner of first inlet nozzle is arranged on the distribution The inside of device body, the outer end of first inlet nozzle are arranged on the outside of the distributor body；First inlet nozzle Outer end is connected with the output end of the multiple coil force (forcing) pump；The oil outlet is fixedly connected with the distributor body, and the outer end of the oil outlet is arranged on the distributor body Outside, the inner of the oil outlet are arranged on the inside of the distributor body, and the outer end of the oil outlet and the atomization are single Member connection；It is fixed with an at least straight pipe inside the distributor body, the both ends of each straight pipe are respectively with two The inner connection of the individual oil outlet；Multiple anti-blocking fuel feed holes are uniformly offered on the straight pipe.
- 2. blast furnace waste oil blowing device as claimed in claim 1, it is characterised in that the atomization unit includes：Atomizer And compressed air connecting tube；The atomizer is connected with the oil outlet；The atomizer is connected with the compressed air connecting tube.
- 3. blast furnace waste oil blowing device as claimed in claim 2, it is characterised in that first inlet nozzle is arranged on described The bottom of distributor body.
- 4. the blast furnace waste oil blowing device as described in any one of claims 1 to 3, it is characterised in that the anti-blocking fuel feed hole Diameter be less than 3mm.
- 5. blast furnace waste oil blowing device as claimed in claim 3, it is characterised in that the atomizer includes：Atomizer sheet Body, suction nozzle, the second inlet nozzle, atomization oil gas output and pipeline through type swirl vane；The atomizer body interior is provided with chamber, and the pipeline through type swirl vane is provided with the chamber；One end of the suction nozzle is connected with the compressed air connecting tube, the other end of the suction nozzle and the atomizer sheet The front end of body is fixedly connected, and the suction nozzle communicates with the intrinsic chamber of the atomizer；One end of the atomization oil gas output is fixedly connected with the rear end of the atomizer body, the atomization oil gas output The other end be connected with pulverized coal injection pipeline；The atomization oil gas output communicates with the intrinsic chamber of the atomizer；Second inlet nozzle is fixedly connected with the sidepiece of the atomizer body, second inlet nozzle and the atomizer sheet Internal chamber is fixedly connected；Second inlet nozzle is at least one, and second inlet nozzle is around the atomizer body Sidepiece is circularly and evenly distributed.
- 6. blast furnace waste oil blowing device as claimed in claim 5, it is characterised in that the front end inner chamber of the atomizer body For Laval nozzle shape.
- 7. blast furnace waste oil blowing device as claimed in claim 5, it is characterised in that second inlet nozzle is six.
- 8. the blast furnace waste oil blowing device as described in any one of claims 1 to 3, it is characterised in that also include：Mixer； The mixer is used to stir the waste oil inside the storage container.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610178704.7A CN105737171B (en) | 2016-03-25 | 2016-03-25 | A kind of blast furnace waste oil blowing device |
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|---|---|---|---|
| CN201610178704.7A CN105737171B (en) | 2016-03-25 | 2016-03-25 | A kind of blast furnace waste oil blowing device |
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| CN105737171B true CN105737171B (en) | 2017-12-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107559845A (en) * | 2017-10-16 | 2018-01-09 | 陕西煤化能源有限公司 | It is a kind of that the device and method for burning processing used oil is mixed with coal gasifier |
| CN108548187A (en) * | 2018-03-22 | 2018-09-18 | 马鞍山钢铁股份有限公司 | Oily waste processing system and its resource utilization method |
| CN111810954A (en) * | 2020-07-14 | 2020-10-23 | 山东大学 | Waste engine oil treatment method and treatment system |
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| US20080182213A1 (en) * | 2007-01-31 | 2008-07-31 | Radek Masin | Waste oil burning system |
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| US3698362A (en) * | 1970-03-23 | 1972-10-17 | Iwatani & Co | Method and apparatus for incinerating waste oil |
| CN2211001Y (en) * | 1994-08-02 | 1995-10-25 | 张国亮 | Combustor for liquid-fuel boiler |
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| Publication number | Publication date |
|---|---|
| CN105737171A (en) | 2016-07-06 |
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