CN101469271B - Wax removing and ash removing apparatus of plastic cracking oil production and cracking system thereof - Google Patents
Wax removing and ash removing apparatus of plastic cracking oil production and cracking system thereof Download PDFInfo
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- CN101469271B CN101469271B CN2007103022731A CN200710302273A CN101469271B CN 101469271 B CN101469271 B CN 101469271B CN 2007103022731 A CN2007103022731 A CN 2007103022731A CN 200710302273 A CN200710302273 A CN 200710302273A CN 101469271 B CN101469271 B CN 101469271B
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Abstract
The invention discloses a de-waxing and ash-removing device for plastic cracking oil production and a cracking system thereof, wherein the ash-removing device comprises an ash sedimentation tank, an ash valve, a wax guiding pipe and a de-waxing valve, wherein the top of the ash sedimentation tank is connected with a de-waxing tower, the bottom of the ash sedimentation tank is provided with an ash-removing pipe, the tank body of the ash sedimentation tank is connected with the wax guiding pipe, and the ash-removing pipe of the ash sedimentation tank is connected with an ash collecting tank; the ash valve is arranged between the ash sedimentation tank and the ash collecting tank; the wax guiding pipe consists of a plurality of pipe fittings, one end of the wax guiding pipe is connected with a wax guiding port, while the other end is connected to a cracker, wherein one section of the wax guiding pipe is a reflux pipe, the front section and rear section of the two ends of the reflux pipe are jointed through a flanged fitting, and the reflux pipe can be provided with pipe fittings with different lengths according to the requirement of wax reflux quantity; and the de-waxing valve is arranged at an outlet of the other end of the wax guiding pipe.
Description
Technical field
The present invention relates to a kind of de-waxing ash handling equipment that is used for the plastic cracking produce oil, relate in particular to a kind of de-waxing ash handling equipment that can't stablize the burst size that refluxes again when solving plastic waste liquefaction cracking simultaneously because of obstructions such as making pipeline facilities that ash produces and elementary wax automatically.
Background technology
Waste polyethylene plastics (PE) thermo-cracking is prone to produce a large amount of wax when liquefying with the recovery fuel oil energy; Though prior art proposes to the wax interception separation that elementary cracking is produced and is back to cracker cracking more in real time; Make only to contain fuel oil and combustion gas in the product to have the advantage of saving the energy and simplifying handling procedure.Yet, when treatment system per hour is amplified to 20 kilograms treatment system, but suffer from the unmanageable problem of wax reflux amount.Not only normal generation interception separating effect is not good, and wax flows out to condensing surface by Wax remover and causes condensing surface operation puzzlement, and it is too big that quantity of reflux often takes place; Cause bubble type fluid bed overload; Temperature is reduced to below 500 ℃, even below 450 ℃, departs from 510 ℃～530 ℃ of preferable crack temperature ranges; The wax generation is more and more many, and makes treatment system to run well.Though existing prior art proposes this way to solve the problem, right after the running of for some time, still have other problem and produce.One pipeline and the facility obstructing problem that cause for ash that plastic waste contained.Another though can manually control, need have the people usually to go adjustment for if only use a simple valve, and is very inconvenient.If adopt the PLC automatic control mode, then installation cost is expensive, except that need PLC unit, also needs pyrotron brake control valve etc., causes fault and maintenance problem easily, and especially when machine, the security of system also has problem.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of de-waxing ash handling equipment and cracking system thereof that is used for the plastic cracking produce oil; When can solving plastic waste liquefaction cracking simultaneously, it can't stablize the phenomenon of the burst size that refluxes again automatically because of obstructions such as making pipeline facilities that ash produces and elementary wax; So that cracking zone steady load; The paraffin removal effect stability, the produce oil steady quality, cracking system can trouble-free continual and steady running.
For realizing above-mentioned purpose, the present invention proposes a kind of de-waxing ash handling equipment, and it includes:
One heavy ash-pit, its top is connected with a paraffin removal tower, its groove body tool one wax discharging port, its bottom land tool one ash releasing tube;
One ash collection slot, it is positioned at heavy ash-pit below and is connected with this ash releasing tube; And
One leads ceratuba, and it is that some pipe fittings are formed, and the one of which end connects this wax discharging port, and the other end is connected to a cracking unit, and wherein this section of leading in the ceratuba is a return line, and these return line two ends are carried out the front and back section with flanged fitting and engaged.
Preferably, wherein also has an ash-valve between this heavy ash-pit and this ash collection slot.
Preferably, wherein this other end exit of leading ceratuba also has a de-waxing valve.
Preferably, wherein this return line can be a U type pipe fitting.
Preferably, the change the outfit pipe fitting of different lengths of the visual wax reflux amount of this return line demand wherein.
Preferably, wherein this paraffin removal tower also is connected with an oil-collecting unit, and it also has:
One condensing surface, it is connected with this paraffin removal tower; And
One oil cistern, it is connected with this condensing surface, to collect the oil body by this condenser condenses.
Preferably, wherein this cracking unit also has:
One cracker, it is led ceratuba with this and is connected; And
One feed unit, it is connected with this cracker, to provide this cracker required reaction raw materials.
And for realizing above-mentioned purpose, the present invention also proposes a kind of cracking system that uses the de-waxing ash handling equipment, and it includes:
One heavy ash-pit, its top is connected with a paraffin removal tower, its groove body tool one wax discharging port, its bottom land tool one ash releasing tube;
One ash collection slot, it is positioned at heavy ash-pit below and is connected with this ash releasing tube; And
One leads ceratuba, and it is that some pipe fittings are formed, and the one of which end connects this wax discharging port, and the other end is connected to a cracking unit, and wherein this section of leading in the ceratuba is a return line, and these return line two ends are carried out the front and back section with flanged fitting and engaged.
One oil-collecting unit, it is connected with this paraffin removal tower, and this oil-collecting unit also has:
One condensing surface, it is connected with this paraffin removal tower; And
One oil cistern, it is connected with this condensing surface, to collect the oil body by this condenser condenses;
One cracking unit, it is connected with this other end of leading ceratuba, and this cracking unit also has:
One cracker, it is led ceratuba with this and is connected; And
One feed unit, it is connected with this cracker, to provide this cracker required reaction raw materials.
Preferably, wherein also has an ash-valve between this heavy ash-pit and this ash collection slot.
Preferably, wherein this other end exit of leading ceratuba also has a de-waxing valve.
Preferably, wherein this return line can be a U type pipe fitting.
Preferably, the change the outfit pipe fitting of different lengths of the visual wax reflux amount of this return line demand wherein.
Adopt the de-waxing ash handling equipment and the cracking system thereof of plastic cracking produce oil of the present invention; Can't stablize the phenomenon of the burst size that refluxes again when be difficult for producing plastic waste liquefaction cracking automatically because of obstructions such as making pipeline facilities that ash produces and elementary wax; So that cracking zone steady load; The paraffin removal effect stability, the produce oil steady quality, cracking system can trouble-free continual and steady running.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is a de-waxing ash handling equipment synoptic diagram of the present invention;
Fig. 2 is provided with synoptic diagram for return line of the present invention;
Fig. 3 is for using the cracking system synoptic diagram of de-waxing ash handling equipment of the present invention;
Fig. 4 is Wax remover pressure-time distribution map of the present invention.
Wherein, Reference numeral:
1: de-waxing ash handling equipment 10: the paraffin removal tower
11: heavy ash-pit 12: ash releasing tube
13: wax discharging port 2: ash-valve
3: lead ceratuba 31: return line
32: flanged fitting 4: the de-waxing valve
5: ash collection slot 60: the oil-collecting unit
61: condensing surface 62: oil cistern
70: cracking unit 71: cracker
72: feed unit
Embodiment
Below will describe the present invention for reaching employed technique means of purpose and effect, and the cited embodiment of following accompanying drawing is merely aid illustration, in order to your juror understands, but the technique means of this case is not limited to cited accompanying drawing with reference to the accompanying drawing of enclosing.
See also shown in Figure 1, de-waxing ash handling equipment synoptic diagram of the present invention.Shown in figure, this de-waxing ash handling equipment includes paraffin removal tower 10, a heavy ash-pit 11, an ash-valve 2, a thrust-augmenting nozzle 3, a de-waxing valve 4 and an ash collection slot 5.Wherein, Cracked gas is from the direction input of arrow a; The top of being somebody's turn to do heavy ash-pit 11 is communicated with the wax discharging port of paraffin removal tower bottom, and heavy ash-pit 10 bottoms have an ash releasing tube 12, and the outlet of this ash releasing tube 12 is connected with an ash collection slot 5 openings; This ash-valve 2 is located between this heavy ash-pit 11 and this ash collection slot 5; Open this ash-valve 2 and can will sink the lime-ash of ash-pit 11 bottoms and enter in this ash collection slot 5 via this ash releasing tube 12, the groove body of this heavy ash-pit 11 has a wax discharging port 13, and ceratuba 3 is led in these wax discharging port 13 connections one.This is led ceratuba 3 and is formed by connecting a plurality of pipe fittings, and the one of which end connects this wax discharging port 13, and the other end is connected to cracker, makes liquid wax can be back to cracker in real time and carries out cracking again.When system formally starts running; This ash-valve 2 is closing condition with this de-waxing valve 4, when treating that pressure begins to increase in the paraffin removal tower, opens this de-waxing valve 4; Make wax continue to be back to cracker and carry out cracking; Shown in arrow b, and in operation, regularly open this ash-valve 2, quantitatively to continue to get rid of the ash that cracking was produced.
See also again shown in Figure 2, for return line of the present invention is provided with synoptic diagram.On the whole this return line 31 is a U type pipe fitting, and this return line 31 is for being positioned at the pipe fitting of leading the ceratuba highest point, and these return line 31 two ends all engage with this flanged fitting 32 that this flanged fitting 32 and other are led ceratuba spare end.This return line 31 can be according to different situations and demand, and this return line 31 is done the replacement of different lengths, reaches the purpose of control wax reflux amount.
Utilize aforesaid de-waxing ash handling equipment can be applied in the cracking system, see also shown in Figure 3ly, use the cracking system synoptic diagram of de-waxing ash handling equipment of the present invention.This system includes a de-waxing ash handling equipment 1, an oil-collecting unit 60, a cracking unit 70.This oil-collecting unit 60 also includes a condensing surface 61 and an oil cistern 62; This cracking unit 70 also includes a cracker 71 and a feed unit 72.This paraffin removal tower 10 of this de-waxing ash handling equipment 1 is connected with this condensing surface 61 of this oil-collecting unit 60, oil gas can be caught a cold condense into liquid oil, and this is led ceratuba 3 and then links with this cracker 71, makes liquid wax can be back to this cracker 71 in real time and carries out cracking again.When plastics are imported by this feed unit 72; Carry out getting into this de-waxing ash handling equipment 1 after the cracking via this cracker 71; Input cracked gas to paraffin removal tower produces combustible gas, oil and contains a large amount of ratio ash ash wax mixtures; Should separate into liquid wax and lime-ash by the heavy ash-pit of ash wax mixture importing; Liquid wax is led ceratuba 3 via this and is back to this cracker 71 and carries out cracking again, and lime-ash then enters ash collection slot via ash releasing tube, and combustible gas and oil then get into this oil cistern 62 that this condensing surface 61 carries out condensation and flows into the below.
See also shown in Figure 4ly again, be Wax remover pressure-time distribution map of the present invention.After carrying out the cracking of plastic waste with de-waxing ash handling equipment of the present invention; Need not use expensive PLC automatic control equipment, MC program that also need not be loaded down with trivial details, the same can the keeping of the pressure of paraffin removal gas (liquid level) is stable in the certain limit; The wax reflux amount also can be stable in the certain limit; Shown in figure, begin to finish from charging to charging, the pressure variation scope is all kept minimum amplitude.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a de-waxing ash handling equipment is characterized in that, includes:
One heavy ash-pit, its top is connected with a paraffin removal tower, its groove body tool one wax discharging port, its bottom land tool one ash releasing tube;
One ash collection slot, it is positioned at heavy ash-pit below and is connected with this ash releasing tube; And
One leads ceratuba, and it is that some pipe fittings are formed, and the one of which end connects this wax discharging port; The other end is connected to a cracking unit; Wherein this section of leading in the ceratuba is a return line, and this return line is a U type pipe fitting and is positioned at this and leads the ceratuba highest point that these return line two ends are carried out the front and back section with flanged fitting and engaged.
2. de-waxing ash handling equipment according to claim 1 is characterized in that, also has an ash-valve between this heavy ash-pit and this ash collection slot.
3. de-waxing ash handling equipment according to claim 1 is characterized in that, the change the outfit pipe fitting of different lengths of the visual wax reflux amount of this return line demand.
4. de-waxing ash handling equipment according to claim 1 is characterized in that, this other end exit of leading ceratuba also has a de-waxing valve.
5. de-waxing ash handling equipment according to claim 1 is characterized in that, this paraffin removal tower also is connected with an oil-collecting unit, and this oil-collecting unit has:
One condensing surface, it is connected with this paraffin removal tower; And
One oil cistern, it is connected with this condensing surface, to collect the oil body by this condenser condenses.
6. de-waxing ash handling equipment according to claim 1 is characterized in that, this cracking unit also has:
One cracker, it is led ceratuba with this and is connected; And
One feed unit, it is connected with this cracker, to provide this cracker required reaction raw materials.
7. a cracking system is characterized in that, includes:
One heavy ash-pit, its top is connected with a paraffin removal tower, its groove body tool one wax discharging port, its bottom land tool one ash releasing tube;
One ash collection slot, it is positioned at heavy ash-pit below and is connected with this ash releasing tube;
One leads ceratuba, and it is that some pipe fittings are formed, and the one of which end connects this wax discharging port, and this section of leading in the ceratuba is a return line, and this return line is a U type pipe fitting and is positioned at this and leads the ceratuba highest point that front and back section joint is carried out with flanged fitting in these return line two ends;
One oil-collecting unit, it is connected with this paraffin removal tower, and this oil-collecting unit also has:
One condensing surface, it is connected with this paraffin removal tower; And
One oil cistern, it is connected with this condensing surface, to collect the oil body by this condenser condenses;
One cracking unit, it is connected with this other end of leading ceratuba, and this cracking unit also has:
One cracker, it is led ceratuba with this and is connected; And
One feed unit, it is connected with this cracker, to provide this cracker required reaction raw materials.
8. cracking system according to claim 7 is characterized in that, also has an ash-valve between this heavy ash-pit and this ash collection slot.
9. cracking system according to claim 7 is characterized in that, the change the outfit pipe fitting of different lengths of the visual wax reflux amount of this return line demand.
10. cracking system according to claim 7 is characterized in that, this is led between ceratuba and this cracking unit also has a de-waxing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103022731A CN101469271B (en) | 2007-12-24 | 2007-12-24 | Wax removing and ash removing apparatus of plastic cracking oil production and cracking system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103022731A CN101469271B (en) | 2007-12-24 | 2007-12-24 | Wax removing and ash removing apparatus of plastic cracking oil production and cracking system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101469271A CN101469271A (en) | 2009-07-01 |
| CN101469271B true CN101469271B (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103022731A Active CN101469271B (en) | 2007-12-24 | 2007-12-24 | Wax removing and ash removing apparatus of plastic cracking oil production and cracking system thereof |
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| Country | Link |
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| CN (1) | CN101469271B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744686Y (en) * | 2004-12-07 | 2005-12-07 | 欧阳林 | Waste and old rubber-plastic thermal cracking device |
| CN101074383A (en) * | 2006-05-16 | 2007-11-21 | 财团法人工业技术研究院 | Method and apparatus for controlling waste-plastic pyrolysis and liquification first wax reflux repyrolysis |
-
2007
- 2007-12-24 CN CN2007103022731A patent/CN101469271B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744686Y (en) * | 2004-12-07 | 2005-12-07 | 欧阳林 | Waste and old rubber-plastic thermal cracking device |
| CN101074383A (en) * | 2006-05-16 | 2007-11-21 | 财团法人工业技术研究院 | Method and apparatus for controlling waste-plastic pyrolysis and liquification first wax reflux repyrolysis |
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| Publication number | Publication date |
|---|---|
| CN101469271A (en) | 2009-07-01 |
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