CN201834882U

CN201834882U - Oil refining system of waste plastics

Info

Publication number: CN201834882U
Application number: CN2010205925063U
Authority: CN
Inventors: 吴鹏锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-04
Filing date: 2010-11-04
Publication date: 2011-05-18
Anticipated expiration: 2020-11-04

Abstract

The utility model discloses an oil refining system of waste plastics, which comprises a separating device, a self-sealing feeding device, a cracking device and a cracked gas separating device which are sequentially connected, wherein the cracking device comprises a sealed heating box, a cracking kettle in the sealed heating box and a driving device driving the cracking kettle to rotate; the inner wall of the sealed heating box below the cracking kettle is provided with a heating source; the cracking kettle comprises an outer cylinder body and an inner cylinder body which is arranged inside of the outer cylinder body and is coaxial with the outer cylinder body, wherein both ends of the outer cylinder body are respectively provided with a feeding pipe and a discharging pipe which are used as rotating shafts, and the feeding pipe and the discharging pipe are connected with connecting seats at both sides of the cracking kettle in a sealing way by a filler sealing device; and a plurality of heat conducting pipes are arranged between the inner cylinder body and the outer cylinder body, and both ends of the heat conducting pipes are respectively connected with the side walls of the outer cylinder body and the inner cylinder body in a sealing way, so that the inner cylinder body is communicated with the sealed heating box. The oil refining system of the waste plastics has simple structure, good sealing performance and high oil-refining efficiency and can realize continuous operation.

Description

A kind of waste plastic oil-refining system

Technical field

The utility model belongs to plastics oil Refining Technologies field, especially relates to a kind of waste plastic oil-refining system.

Background technology

Fast development along with industry, plastic prod becomes more and more important in industrial production and daily life, plastics have been penetrated into people's various fields in life, but, because a large amount of uses of plastics, plastic refuse is also more and more, at present, utilize plastic waste, waste rubber comes the refining equipment of extracting fuel oil to have a lot, its main flow process is plastic waste to be sent into to carry out thermolysis in the reactor earlier, cracking, pass through dust removal and filtration again, means such as refrigerated separation obtain oil fuel, in said process, plastic waste remains many lime-ash after thermo-cracking and other waste that can't decompose is deposited on the reactor bottom, needs regularly to shut down the cleaning of cooling back, and cooling material holding time is longer; In addition, owing to contain a large amount of moisture in the plastic waste that reclaims, directly enter in the reactor without handling, can reduce the production efficiency of reactor greatly, and the waste gas that produces is more, and is especially big for large-scale waste plastic oil-refining systematic influence, in addition, it is to form bulk that undressed plastic waste has many, has also influenced its decomposition rate in reactor.

For solving the problems of the technologies described above, (applying date: patent documentation 2007.11.13) discloses a kind of waste plastic oil-refining system of drying device for CN201165508Y for Granted publication number, comprise cleaning apparatus, reactor, condensation separating unit and oil collector sump tank, wherein be provided with drying unit before the reactor, drying unit comprises cylinder, the feeding mouth at cylinder two ends and discharge port, discharge port is communicated with reactor, cylinder is for being obliquely installed, the level attitude of feeding mouth is than discharge port height, cylinder is connected with drive-motor, and heating unit is arranged in the cylinder.This waste plastic oil-refining system; drying unit is set before reactor; make plastic waste dry earlier before sending into reactor; improved the decomposition efficiency of plastic waste in reactor; yet above-mentioned distillation system is after operation for some time; the waste that can't decompose that forms in cracker still needs to shut down cleaning, has reduced the oil refining efficient of whole distillation system.

Summary of the invention

The utility model provides a kind of simple in structure, good airproof performance, oil refining efficient is high and can realize the waste plastic oil-refining system of serialization operation.

A kind of waste plastic oil-refining system, comprise the tripping device, selfsealings feeding unit, cracker and the splitting gas tripping device that connect successively, described cracker comprises the cracking still in heated sealed case, the heated sealed case and drives the drive unit that cracking still rotates;

The heated sealed chamber interior wall of described cracking still below is provided with heating source; Described cracking still comprise outer cylinder body and with outer cylinder body in co-axial inner barrel, the outer cylinder body two ends are respectively equipped with as the feed-pipe of rotating shaft and discharge nozzle, are tightly connected by stuffing seal between the Connection Block of feed-pipe and discharge nozzle and cracking still both sides;

Be provided with some heat pipes between described inner barrel and the outer cylinder body, the heat pipe two ends are tightly connected with outer cylinder body and inner barrel sidewall respectively, make inner barrel be communicated with the heated sealed case.

For guaranteeing that the intravital material of cracking still urceolus is heated fast, many group heat pipes can be set, 2～5 groups of heat pipes of operated by rotary motion between inner barrel and outer cylinder body; Can select every group of heat pipe to be in same plane and uniform ring is formed around the heat pipe of inner barrel for guaranteeing that material is heated evenly, and the plane at every group of heat pipe place is vertical mutually with the outer cylinder body axis by 6～10; The quantity that heat pipe is provided with is generally determined according to actual material treatment capacity.Outer cylinder body is set to rotatable mechanism, has further guaranteed being heated evenly of outer cylinder body materials inside, generally can be provided with bearing at the discharge nozzle outer wall of outer cylinder body, and drive unit drives outer cylinder body by bearing and rotates.Cracker is full-automatic 360 ° of rotations, and heating surface area is even, and scission reaction speed is fast.Be the carbon black that produces in the easy cleaning cracking process, can stretch into the no axle spiral of outer cylinder body, do not have a end that the axle spiral is positioned at the outer cylinder body outside and be provided with slag-drip opening and be connected with the output terminal of the drive-motor that drives its rotation in outer cylinder body one end setting.When gathering certain carbon black, can stop the rotation of cracker, open slag-drip opening, rely on outside electric device to drive the spiral rotation of nothing axle and carry out continuous discharging slag and finish until deslagging, tapping process need not cool off, and the deslagging time is short and guarantee that whole process seals fully.For overhauling conveniently, can access opening be set at outer cylinder body one end.

The tripping device opening for feed generally is connected with the shredder assembly discharge end; Tripping device generally comprises the cylinder of inclination, the drive unit that head roll rotates and opening for feed and the discharge port of being located at the cylinder two ends respectively; The wall at described cylinder middle part is provided with some sieve apertures, and the sieve aperture wound drum distributes, and the cylinder middle part is provided with the receiving trap that surrounds sieve aperture, and the bottom of receiving trap is provided with the clean-up port.The inside/outside diameter size of cylinder and length scale all can be determined according to the actual treatment ability of actual distillation system.Cylinder and horizontal plane are provided with certain gradient, guarantee that the height of opening for feed is higher than the height of discharge port, and materials such as plastic waste move down under the effect of self gravitation automatically, have guaranteed the continuous and automatic operation of whole device.For the impurity such as silt in the assurance plastic waste are in time discharged, the sieve aperture wound drum can be distributed is provided with.Because the plastic waste that enters from opening for feed can contain a large amount of moisture, cause silt to be wrapped in plastic waste inside, be difficult for discharging, therefore can drying system be set in cylinder inside, for example a hot blast inlet mouth and an air outlet can be set at the cylinder two ends respectively, be used to transmit hot blast, realize bake drying plastic waste; For guaranteeing the stopping property of cylinder two ends and inlet mouth and air outlet, first watertight chest and second watertight chest can be set respectively at the cylinder two ends, inlet mouth and air outlet and opening for feed and discharge port are set on first watertight chest and second watertight chest respectively then; It is separate that being provided with of first watertight chest and second watertight chest guaranteed between inlet mouth and air outlet and the cylinder, the phase mutually noninterfere; Simultaneously, the hot gas that is provided with input of first watertight chest and second watertight chest plays shock absorption, guarantees that hot gas evenly passes through drum cavity.In addition, in order to accelerate the convection velocity of hot blast, induced draft fan can be installed at the air outlet place, hot blast under the drainage of induced draft fan rapidly and efficiently pass through material in the cylinder.The plastic waste that is arranged so that of drying system is dried earlier before sending into reactor, has reduced plastic waste energy needed in reactor, has improved the decomposition efficiency of plastic waste in reactor.In addition, for reducing the hot blast power loss that causes because of the cylinder heat radiation, can thermal insulation layer be set at cylinder outer wall, the thickness of thermal insulation layer can be determined according to actual needs.The heat air source of said process can directly adopt and come from the interior fume afterheat of follow-up cracking still etc., to realize the resource circulation utilization; Equally also can adopt other fuel oils or gas-fired equipment to substitute, to satisfy the demand of different occasions.The general particle of silt that excretes in the sieve aperture is less, is the silt pollution surrounding environment of avoiding excreting from sieve aperture, can the receiving trap that surround sieve aperture be set at the cylinder middle part, and the bottom of receiving trap is provided with the clean-up port; Tripping device is after operation for some time, and the site operation personnel can remove movements such as silt by the clean-up port under assurance cylinder continuous duty.The size of sieve aperture is generally according to the character decision of the plastic waste of actual treatment; The position of sieve aperture setting also can be determined according to actual needs, for example can be arranged on top, middle part or the bottom of cylinder wall, and operated by rotary motion is at the middle part of cylinder wall.Available drive unit generally comprises at least two and is fixed on the outer shroud of cylinder periphery, the support roller that is meshed with outer shroud and drives the motor that support roller rotates.For what prevent that cylinder from gliding stop means can be set on support roller, for example the stopper slot that can match with outer shroud in the setting of support roller periphery perhaps is provided with groove on outer shroud, is provided with and the spacing preiection of engagement at the support roller periphery.Inner wall of rotary drum is provided with some L shaped material delivering plates, and materials such as assurance plastic waste are heated evenly, and improve the drying efficiency and the separation efficiency of whole device; The number of L shaped material delivering plate setting can be determined according to actual needs.

Generally can select to be delivered in the cracking still from the material of tripping device output by the selfsealings pay-off, for guaranteeing the total system stopping property, generally can a baffle-box be set, then baffle-box and cracking still feed-pipe be tightly connected by stuffing seal at selfsealings pay-off material outlet; The selfsealings feeding unit generally comprises the charging cylindrical shell and is arranged on the intravital piston of feeding cylinder, piston is fixedlyed connected with piston rod, feeding cylinder body wall face is provided with a material inlet, and the material inlet top is provided with feed bin, and the feed bin Hatch Opening links to each other by transport pipe with the tripping device discharge port; Be provided with the turnover panel that is used for the plastic waste compacting in the described feed bin.The internal diameter of charging cylindrical shell, thickness and length scale can be according to the treatment capacity decisions of actual cracker; In the actual use, the other end of piston rod generally links to each other with drive-motor by transmission system.In order to guarantee the stopping property of whole feeding unit, can be chosen in many groups turnover panel that the level attitude height does not wait is set in the feed bin, general every group of turnover panel can be positioned at a horizontal plane and the turnover panel that is parallel to each other is formed by a plurality of rotating shafts, in the actual procedure for ease of installing and control, two groups of turnover panels generally are set in feed bin, wherein the level attitude of first group of turnover panel is higher than the level attitude of second group of turnover panel, and the quantity of every group of turnover panel is two, and the rotating shaft of two turnover panels is arranged on the same horizontal plane and is parallel to each other; The general selection of the rotating shaft of turnover panel links to each other with motor output end, for further increasing the compactness of materials such as plastic waste, the input terminus of motor can be linked to each other with the time relay that is used to control motor rotation time and rotating speed, control first group of turnover panel and second group of asynchronous twice compacting up and down of turnover panel, both guaranteed at first to start first group of turnover panel material is carried out a compacting, second group of turnover panel of starting carries out secondary compaction to material behind the compacting certain hour; The size of turnover panel, rotating speed and rotation time all can be determined according to the character of the material of actual treatment.

Stuffing seal can be selected the stuffing seal of shaft connection mechanism, can and be fixedly coupled a kind of tightness system that seat is tightly connected with rotating shaft, generally comprise the stuffing box that is set in the rotating shaft and is tightly connected with Connection Block, be provided with packing cavity between stuffing box inwall and the rotating shaft, be provided with two graphite packings that cooperate with rotating shaft and stuffing box inner wall sealing in the packing cavity, be filled with filler in the packing cavity between two graphite packings, corresponding packing cavity sidewall is provided with the filler filling orifice; Described tightness system also comprises the gland that is set in the rotating shaft, gland is provided with the annular lug that stretches into stuffing box over against stuffing box one side center, described gland is provided with the haulage gear of some uniform ring around annular lug, and haulage gear orders about annular lug and compresses and be positioned at the connect graphite packing of first end of packing cavity.For example, for the stuffing seal between cracking still and the baffle-box, Connection Block is baffle-box one end, and rotating shaft is a cracking still charging pipe end; For the stuffing seal between cracking still and the splitting gas tripping device, Connection Block is meant the splitting gas air inlet pipe end of splitting gas tripping device, and the splitting gas inlet pipe is connected with the splitting gas import, and rotating shaft is a cracking still discharging pipe end.Haulage gear is generally adjustable mechanism, can be in the actual use according to the size of packing cavity internal pressure size adjustment haulage gear tractive force, tractive force reaches the purpose that stops interior medium of shaft connection mechanism such as oil gas etc. outwards to be revealed generally greater than the pressure in the packing cavity.Be convenient fixing, available haulage gear comprises the fixed pulley that is fixed on the stuffing box outer wall and the traction rope on the fixed pulley, traction rope one end is fixedlyed connected with gland, the other end is connected with guiding piece, gland under the traction of guiding piece, produce near the snap-in force of graphite packing, guarantee the stopping property between the shaft connection mechanism; The quantity of above-mentioned haulage gear setting can be adjusted according to actual needs, for example for than relatively large shaft connection mechanism a plurality of haulage gears being set; For guaranteeing the stability of gland, generally need be with the haulage gear uniform ring around the annular lug setting; The stuffing seal of shaft connection mechanism commonly used is general even to be provided with four haulage gears.In addition, be offset, smooth screw rod can be set between gland and stuffing box for preventing that gland from breakking away.The quantity of filler filling orifice can determine according to actual needs, and the quantity of operated by rotary motion is no less than two and evenly be arranged on two packing cavity sidewalls between the graphite packing, and the quantity that is provided with commonly used is two, and it aligns setting mutually.For ease of the injection of filler and the control of packing cavity internal pressure, can be provided with pressure output and regulation device at filler filling orifice place.

The splitting gas tripping device, comprise tubulation tower cylindrical shell and eddy flow tower cylindrical shell that the bottom is communicated with, described tubulation tower cylindrical shell top is provided with the splitting gas import, the splitting gas import links to each other with the inlet pipe of outside, be provided with the dividing plate of two levels in the inner chamber, wherein the splitting gas inlet pipe is tightly connected by stuffing seal and cracking still discharging pipe end; Be provided with the tubulation that is used for heat exchange of plurality of vertical between two dividing plates; Tubulation tower cylinder lateral wall between two dividing plates is provided with cold gas import and cold gas outlet; Described eddy flow tower cylindrical shell is provided with some grades of eddy flow plates, and eddy flow tower cylindrical shell top is provided with the splitting gas outlet, links to each other with outside splitting gas escape pipe.The specification size of tubulation tower cylindrical shell and eddy flow tower cylindrical shell can determine according to actual needs that all the bottom generally is communicated with by communicating pipe, and the length of communicating pipe and internal diameter are generally determined according to actual needs.The quantity that tubulation is set between interior two dividing plates of tubulation tower cylindrical shell can be determined according to actual needs, 10～20 of operated by rotary motion, and the big I of tubulation internal diameter is determined according to the character and the process lot size of the material of actual treatment.In order to improve cooling performance, generally the cold gas import is arranged near on the tubulation tower cylinder lateral wall of downside dividing plate, cold gas outlet is arranged near on the tubulation tower cylinder lateral wall of upside dividing plate, can guarantees cracking waste plastics gas and cooling draught like this to opposite, the increase cooling efficiency.For accelerating the flow velocity of cold gas, can vacuum fan be set at cold gas air outlet place, vacuum fan generally links to each other with drive-motor, and the negative pressure that the vacuum fan operation produces helps entering fast of cold gas.

Tubulation tower cylindrical shell and eddy flow tower cylindrical shell bottom are equipped with greasy filth storage Ji Qu, to collect mink cell focus and the carbon black residue that forms in the sepn process, for ease of the mink cell focus of collection and the cleaning of carbon black residue, two ends can be set store the pipe connecting that Ji Qu is connected with tubulation tower cylindrical shell and eddy flow tower cylindrical shell bottom greasy filth respectively, the pipe connecting middle part is communicated with the import of a desludging pump; After cracking waste plastics air separation of the present utility model moves for some time, open desludging pump, mink cell focus and the carbon black residue collected in tubulation tower cylindrical shell and the eddy flow tower cylindrical shell can be removed; The big I of the internal diameter of pipe connecting is determined according to the character of the material of actual treatment.The quantity that the eddy flow plate is set in the eddy flow tower cylindrical shell generally need be determined according to the inventory of actual treatment, operated by rotary motion three swirler plate, and the three swirler plate all is horizontally disposed with, and the specification of eddy flow plate is determined according to the size of eddy flow tower cylindrical shell, can be selected the commercially available prod for use.

The beneficial effects of the utility model are embodied in:

(1) before employing of the present utility model is located at reactor with tripping device, make plastic waste send into and dry earlier with silt before the reactor and separate, greatly reduce plastic waste energy needed in reactor, improved the decomposition efficiency of plastic waste in reactor;

(2) cracker in the waste plastic oil-refining of the present utility model system can realize that continuously feeding, saturation are big, are applicable to the continuous large-scale suitability for industrialized production; Selecting outer cylinder body simultaneously is rotatable mechanism, and the material of cracker is heated soon, heat-transfer effect is good, scission reaction is quick, thoroughly; In addition, the setting of inner barrel and heat pipe, heat directly enters inner barrel, and efficiently solve plastic waste and lump coking easily and influence heat-transfer effect, and safe and reliable, realized the cracking of pressure-fired safety;

(3) stuffing seal of shaft connection mechanism of the present utility model, by pressure output and regulation device input pressure muddy packing, generation is to the snap-in force of the lock packing in the packing cavity, make the radial compaction power of lock packing generation, reach the purpose that stops medium such as oil gas outwards to be revealed the main shaft surface; Wherein the lock packing pressure that acts on axle surface is basic uniform distribution, and the snap-in force size that acts on the axle surface is regulating and controlling accurately, thereby makes full use of the utilization ratio and the work-ing life of muddy packing, makes filler not have energy consumption;

(4) the utility model utilizes outside air as heat exchange carrier, the size of tubulation tower cylindrical shell, cylindrical shell pipe quantity, air output, cold gas import and outlet size can design according to the processing power of separation system, and energy continuous production, simple in structure, be applicable to various plastics, the separation system of rubber item.

Description of drawings

Fig. 1 is the structural representation of waste plastic oil-refining of the present utility model system;

Fig. 2 is the partial enlarged drawing of the tripping device of waste plastic oil-refining shown in Figure 1 system;

Fig. 3 is the sectional structure synoptic diagram of tripping device shown in Figure 2 along the A-A face;

Fig. 4 is the partial enlarged drawing of the selfsealings pay-off of waste plastic oil-refining shown in Figure 1 system;

Fig. 5 is the sectional structure synoptic diagram of selfsealings pay-off shown in Figure 4 along the B-B face;

Fig. 6 is the partial enlarged drawing of the stuffing seal of waste plastic oil-refining shown in Figure 1 system;

Fig. 7 is the partial approach figure of the cracking still of waste plastic oil-refining shown in Figure 1 system;

Fig. 8 is the sectional structure synoptic diagram of cracking still shown in Figure 7 along the C-C face;

Fig. 9 is the partial enlarged drawing of the splitting gas tripping device of waste plastic oil-refining shown in Figure 1 system;

Figure 10 is the sectional structure synoptic diagram of splitting gas tripping device shown in Figure 9 along the D-D face.

Embodiment

As shown in Figure 1, a kind of waste plastic oil-refining system comprises the tripping device 1, selfsealings pay-off 2, baffle-box 7, first stuffing seal 3, cracker, second stuffing seal 4 and the splitting gas tripping device 6 that connect successively; Wherein the opening for feed of tripping device 1 is communicated with the discharge end of shredder assembly, and discharge port is communicated with the feed bin 205 of selfsealings pay-off 2; Selfsealings pay-off 2 material outlets are tightly connected by the baffle-box 7 and first stuffing seal 3, and the other end of first stuffing seal 3 and cracker feed-pipe 502 are tightly connected; The discharge nozzle 503 of cracker is tightly connected with the 6 splitting gas imports 611 of splitting gas tripping device by second stuffing seal 4.

As shown in Figures 2 and 3, above-mentioned tripping device comprises the cylinder 101 of inclination, drive unit, cylinder 101 two ends opening for feeds 102 and the discharge port 103 that head roll 101 rotates and first watertight chest 105 and second watertight chest 104 that is fixed on cylinder 101 two ends; Cylinder 101 middle part walls are provided with some sieve apertures 106 and surround the receiving trap 107 of sieve aperture 106.The length of cylinder 101, interior external diameter and the big I of obliquity are adjusted according to actual needs; Cylinder 101 left end end sealing and fixing have first watertight chest, 105, the first watertight chests, 105 tops to be provided with blast inlet 108, are used for entering of hot blast, and a side is provided with opening for feed 102; Cylinder 101 right-hand member sealing and fixing have second watertight chest 104, second watertight chest, 104 tops are provided with air outlet 109, for accelerating passing through of hot blast, one side is provided with discharge port 103, at air outlet 109 places an induced draft fan can be set, the height of opening for feed 102 is higher than the height of discharge port 103, and the size dimension of discharge port 103 and opening for feed 102 can be determined according to actual needs.On the cylinder 101 middle part walls some sieve apertures 106 are set, the diameter of sieve aperture 106 and the quantity of setting can be according to the character decisions of the material of actual treatment, the silt pollution surrounding environment of while in order to prevent to excrete, the receiving trap 107 that surrounds sieve aperture 106 is set on cylinder 101 middle part walls, receiving trap 107 bottoms are provided with clean-up port 110, the site operation personnel can pass through the silt of clean-up port 110 cleaning collections etc., and the big I of clean-up port 110 is adjusted according to actual needs; Cylinder 1 outer wall is provided with thermal insulation layer 111, and to reduce the calorific loss in the cylinder 101, the thickness of thermal insulation layer 111 can be determined according to actual needs; Cylinder 101 inwalls are provided with some L shaped material delivering plates 112 parallel with cylinder 101 axis, are heated evenly to guarantee material; Drive unit comprises 2 outer shrouds 113, the support roller 114 that is meshed with outer shroud 113 and drives the motor 115 that support roller 114 rotates, and glides for preventing cylinder 101, and the stopper slot that outer shroud 113 matches is set on support roller 114.

As shown in Figure 4 and Figure 5, selfsealings pay-off 2 comprises with the material inlet that is used for being provided with on the piston 203 of mass transport to the charging cylindrical shell 202 of baffle-box 7, the charging cylindrical shell 202, the piston rod 204 of fixedlying connected with piston 203, charging cylindrical shell 202 walls, feed bin 205 that the material inlet top is provided with and is located at the interior turnover panel 206 of feed bin 205.The internal diameter of charging cylindrical shell 202, thickness and length can be determined according to the treatment capacity of actual cracker.Be provided with the piston 203 that is sealed and matched with it in the charging cylindrical shell 202, piston 203 left ends and piston rod 204 are fixing, and piston rod 204 is fixed by transmission system and drive-motor, to realize the automatic pusher of piston 203.Charging cylindrical shell 202 upper wall surfaces are provided with opening for feed, and the big I of opening for feed is set according to actual needs; The lower edge of feed bin 205 and charging cylindrical shell 202 are fixing, and the top of feed bin 205 is the enlarging setting, so that the smooth inflow of materials such as plastic waste.Be provided with two groups of turnover panels in the feed bin 205, wherein the level attitude of first group of turnover panel is higher than the level attitude of second group of turnover panel, first group of turnover panel and second group of turnover panel are made up of two block length quadrate turnover panels 206 respectively, the rotating shaft of two turnover panels 206 is positioned on the horizontal plane and is arranged in parallel, and the shape of turnover panel 206, size and position can be determined according to the character of the pending materials such as plastic waste of reality; The rotating shaft of turnover panel 206 is connected with motor output end respectively, the input terminus of motor is connected with the time relay that is used to control motor rotation time and rotating speed, guarantee that at first starting first group of turnover panel carries out a compacting to material, second group of turnover panel of starting carries out secondary compaction to material behind the compacting certain hour.

As shown in Figure 6, first stuffing seal 3 is identical with second stuffing seal, 4 structures, is the shaft connection mechanism tightness system.With first stuffing seal 3 is that example describes its structure.First stuffing seal, 3 stuffing seals comprise the stuffing box 303 that is set in that cracking still 5 feed-pipes 502 (rotating shaft end) are gone up and is tightly connected with baffle-box 7 (Connection Block end), be provided with packing cavity between stuffing box 303 inwalls and cracking still 5 feed-pipes 502, be provided with two graphite packings 304 that cooperate with cracking still 5 feed-pipes 502 and stuffing box 303 inner wall sealings in the packing cavity, be filled with filler 305 in the packing cavity between two graphite packings 304, corresponding packing cavity sidewall is provided with filler filling orifice 306; Tightness system also comprises the gland 307 that is set on cracking still 5 feed-pipes 502, gland 307 is provided with the annular lug 308 that stretches into stuffing box over against stuffing box 303 1 side centers, gland 307 is provided with the haulage gear of 4 uniform ring around annular lug 308, and haulage gear orders about annular lug 308 and compresses and be positioned at the connect graphite packing 304 of first end of packing cavity.Baffle-box 7 is provided with first flange face 310 near an end of stuffing box, and stuffing box 303 is provided with second flange face 309 near an end of baffle-box 7, and baffle-box 7 and stuffing box 303 interfix by first flange face 310 and second flange face 309; Be running fit between the inside edge of first flange face 310 and second flange face 309 and the rotating shaft; Graphite packing 304 near baffle-box 7 in the packing cavity is close to second flange face 309, and another graphite packing 304 is close to the annular lug 308 of gland 307.The quantity of filler filling orifice 306 is 2, and aligns mutually, and the big I of filler filling orifice 306 determines that according to actual needs filler filling orifice 306 places are provided with pressure output and regulation device 311, are used for the injection of filler and the control of packing cavity internal pressure.Fix by smooth screw rod between gland 307 and the stuffing box 303, prevent gland 307 sideslip skews.The quantity of haulage gear is four, evenly be provided with, each haulage gear comprises the fixed pulley 312 that is fixed on stuffing box 303 outer walls and the traction rope 313 on the fixed pulley 312, traction rope 313 is generally selected steel wire for use, traction rope 313 1 ends are fixedlyed connected by clip 314 with gland 307, the other end is connected with guiding piece 315, the guiding piece 315 general weights that adopt, gland 307 under the traction of guiding piece 315, produce near the snap-in force of graphite packing 304, guarantee the stopping property between the shaft connection mechanism.

As shown in Figure 7 and Figure 8, cracker comprises the cracking still 5 in heated sealed case, the heated sealed case and drives the drive unit that cracking still 5 rotates, cracking still 5 comprises co-axial inner barrel 504 in outer cylinder body 501 and the outer cylinder body, outer cylinder body 501 two ends are provided with feed-pipe 502 and discharge nozzle 503, be provided with heat pipe 505 between outer cylinder body 501 and the inner barrel 504, outer cylinder body 501 1 ends are provided with access opening 506 and stretch into the no axle spiral 507 of outer cylinder body inside.The heated sealed chamber interior wall of outer cylinder body 501 belows is provided with heating source, and the warm air that thermal source forms is transferred to materials such as the waste rubber of outer cylinder body 501 inside or plastic waste rapidly and uniformly by heat pipe 505 and inner barrel 504; The internal diameter of outer cylinder body 501, thickness and length scale can material treatment capacity according to actual needs be determined.Heat pipe 505 is divided into two groups and is arranged between outer cylinder body 501 and the inner barrel 504, every group of heat pipe 505 be by being positioned on the plane and uniform ring is formed around 6～10 heat pipes 505 of inner barrel 504, and the plane that every group of heat pipe formed is vertical mutually with the axis of inner barrel 504 or outer cylinder body 501; The two ends of heat pipe 505 guarantee that inner barrel 504 is communicated with the heated sealed case of outer cylinder body 501 outsides, so that heat is evenly distributed on the inside of heat pipe 505 and inner barrel 504 respectively at the sidewall sealing and fixing of outer cylinder body 501 and inner barrel 504; The quantity of heat pipe 505 also can be adjusted according to actual needs, and the internal diameter size of inner barrel 504 and heat pipe 505 also can be adjusted according to actual needs.Outer cylinder body 501 right-hand members are provided with access opening 506, access opening 506 places are provided with access door, position and diameter that access opening 506 is provided with can be determined according to actual needs, when breaking down in the cracker, the site operation personnel can keep in repair the parts in the cracker by access opening, after maintenance finishes access door is closed to get final product.Outer cylinder body 501 right lower quadrants are fixed with the no axle spiral 507 that stretches into outer cylinder body 501 inside, the end that nothing axle spiral 507 is positioned at outer cylinder body 501 outsides is provided with slag-drip opening 508, an end that is provided with slag-drip opening 508 is connected with the drive-motor output terminal simultaneously, after carbon black gathers certain hour, can stop the rotation of cracker, open slag-drip opening 508, relying on outside drive-motor to drive does not have 507 rotations of axle spiral, carries out continuous discharging slag and finishes until deslagging and get final product.The outer wall of outer cylinder body 501 right-hand member discharge nozzles 503 is provided with bearing 509, drives the motor of its rotation in outer cylinder body 501 outer setting, and drive-motor drives outer cylinder body 501 by bearing and rotates, and guarantees that the material of outer cylinder body 501 inside is heated evenly.

As Fig. 9 and shown in Figure 10, splitting gas tripping device 6 comprises tubulation tower cylindrical shell 601 and eddy flow tower cylindrical shell 602 and the communicating pipe 603 that tubulation tower cylindrical shell 601 and eddy flow tower cylindrical shell 602 bottoms are communicated with; Be provided with in the tubulation tower cylindrical shell 601 between 604, two dividing plates 604 of two horizontally disposed dividing plates and be provided with tubulation 605; The bottom of tubulation tower cylindrical shell 601 is provided with first greasy filth storage collection district 606; Eddy flow tower cylindrical shell 602 inside are provided with horizontally disposed three swirler plate 607, and the bottom is provided with second greasy filth storage collection district 608; First greasy filth storage collection district's 606 and second greasy filth storage collection district 608 is communicated with by pipe connecting 609, and the middle part of pipe connecting 609 is connected with desludging pump 610.Tubulation tower cylindrical shell 601 tops are provided with splitting gas import 611, and splitting gas import 611 ends generally are tightly connected by discharge nozzle 503 ends of second stuffing seal 4 with cracking still 5.Tubulation tower cylindrical shell 601 sidewalls between two dividing plates 604 are provided with cold gas import 612 and cold gas outlet 613, cold gas import 612 is near the dividing plate 604 of downside, cold gas outlet 613 is near the dividing plate 604 of upside, cold gas exports 613 places and is provided with vacuum fan 614, and vacuum fan 614 links to each other with drive-motor.Tubulation tower cylindrical shell 601 bottoms are communicated with by communicating pipe 603 with eddy flow tower cylindrical shell 602 bottoms, are used for passing through of first isolating lightweight oil.605 quantity of tubulation are for determining according to actual needs, and 10～20 of operated by rotary motion are uniformly distributed in up and down between two dividing plates 604, are used for passing through of Pintsch process gas.Eddy flow tower cylindrical shell 602 tops are provided with splitting gas outlet 615, and splitting gas outlet 615 generally links to each other with the lightweight oil tripping device by sealing-duct.Eddy flow tower cylindrical shell 602 inside are provided with three swirler plate 607, are used for further removing the carbon black residue that first separation obtains lightweight oil.

The actual moving process of the waste plastic oil-refining system in the present embodiment is: at first with the conventional shredder assembly fragmentation of plastic waste process of collecting, material after the fragmentation is transported to tripping device 1, the cylinder 101 of tripping device 1 rotates down, material enters in the cylinder 101 from opening for feed 102, hot blast enters from blast inlet 108 under the effect of air outlet 109 place's induced draft fans simultaneously, hot blast fully contacts with material under the effect of L shaped material delivering plate 112, impurity such as silt are drained the receiving trap 107 from sieve aperture 106, dry with separate after material be transported to the feed bin 205 of selfsealings feeding unit 2 from discharge port 103, overstock and arrive to a certain degree, the first group of turnover panel starting in top, rotation stops several weeks, stop second group of turnover panel starting of rear lower, rotation stops several weeks, process is the plastic waste of twice compacting of two groups of turnover panels up and down, under the thrust of piston 203, enter baffle-box 201, after solid accumulation is expired in the baffle-box 201, under the effect of piston 203, the material of compacting enters in the outer cylinder body 501 of cracker by feed-pipe 502, while heated sealed case endogenous pyrogen heated warm air on every side rises and reaches in the inner barrel 504 by heat pipe 505, material absorbs the heat cracking, splitting gas after the cracking is by discharge nozzle 503, second tightness system 4 and splitting gas import 611 arrive in the splitting gas tripping device 6, Pintsch process gas is by tubulation 605, freezing air enters from the 601 bottom cold gas imports 612 of tubulation tower cylindrical shell under the effect of vacuum fan 614 simultaneously, mink cell focus and carbon black are collected into first greasy filth storage collection district 606 after the Pintsch process air cooling but, arrive eddy flow tower cylindrical shell 602 through first isolating lightweight oil through communicating pipe 603, after 607 separation of three swirler plate, remaining dust residue is collected into second greasy filth storage collection district 608, and lightweight oil inputs in the lightweight oil tripping device through splitting gas outlet 615.

Claims

1. waste plastic oil-refining system, comprise the tripping device (1), selfsealings feeding unit (2), cracker and the splitting gas tripping device (6) that connect successively, it is characterized in that described cracker comprises the cracking still (5) in heated sealed case, the heated sealed case and drives the drive unit that cracking still (5) rotates;

The heated sealed chamber interior wall of described cracking still (5) below is provided with heating source; Described cracking still (5) comprise outer cylinder body (501) and with outer cylinder body (501) in co-axial inner barrel (504), outer cylinder body (501) two ends are respectively equipped with feed-pipe (502) and the discharge nozzle (503) as rotating shaft, are tightly connected by stuffing seal (3) between the Connection Block of feed-pipe (502) and discharge nozzle (503) and cracking still (5) both sides;

Be provided with some heat pipes (505) between described inner barrel (504) and the outer cylinder body (501), heat pipe (505) two ends are tightly connected with outer cylinder body (501) and inner barrel (504) sidewall respectively, make inner barrel (504) be communicated with the heated sealed case.

2. waste plastic oil-refining according to claim 1 system, it is characterized in that, be provided with 2～5 groups of heat pipes between the inner barrel (504) of described cracking still (5) and the outer cylinder body (501), every group of heat pipe is in same plane by 6～10 and uniform ring is formed around the heat pipe (505) of inner barrel (504), and the plane at every group of heat pipe place is vertical mutually with outer cylinder body (501) axis.

3. waste plastic oil-refining according to claim 1 system, it is characterized in that, outer cylinder body (501) one ends of described cracking still (5) are provided with and stretch into the inner no axle spiral (507) of outer cylinder body (501), do not have an axle spiral (507) and are positioned at the outer end of outer cylinder body (501) and are provided with slag-drip opening (508) and are connected with the drive-motor that drives its rotation.

4. waste plastic oil-refining according to claim 1 system, it is characterized in that described tripping device (1) comprises the cylinder (101) of inclination, the drive unit that head roll (101) rotates and opening for feed (102) and the discharge port (103) of being located at cylinder (101) two ends respectively; The wall at described cylinder (101) middle part is provided with some sieve apertures (106), sieve aperture (106) wound drum (101) distributes, cylinder (101) middle part is provided with the receiving trap (107) that surrounds sieve aperture (106), and the bottom of receiving trap (107) is provided with clean-up port (110).

5. waste plastic oil-refining according to claim 4 system, it is characterized in that, described cylinder (101) two ends are respectively equipped with first watertight chest (105) and second watertight chest (104), first watertight chest (105) is respectively equipped with hot blast inlet mouth (108) and opening for feed (102), be respectively equipped with discharge port (103) and air outlet (109) on second watertight chest (104), air outlet (109) locate to be provided with induced draft fan; Described cylinder (101) inwall is provided with some L shaped material delivering plates (112), and outer wall is provided with thermal insulation layer (111).

6. waste plastic oil-refining according to claim 1 system is characterized in that, described selfsealings feeding unit (2) comprises the piston (203) in charging cylindrical shell (202), the charging cylindrical shell (202) and the baffle-box (7) of charging cylindrical shell (202) discharge end; Piston (203) is fixedlyed connected with piston rod (204), and charging cylindrical shell (202) wall is provided with a material inlet, and the material inlet top is provided with feed bin (205), and the feed bin Hatch Opening links to each other by e Foerderanlage with tripping device (1) discharge port (103); Be provided with the turnover panel (206) that is used for the plastic waste compacting in the described feed bin (205).

7. waste plastic oil-refining according to claim 1 system, it is characterized in that, described stuffing seal (3) comprises the stuffing box (303) that is set in the rotating shaft and is tightly connected with Connection Block, be provided with packing cavity between stuffing box (303) inwall and the rotating shaft, be provided with two graphite packings (304) that are sealed and matched with rotating shaft and stuffing box (303) in the packing cavity, be filled with filler (305) in the packing cavity between two graphite packings, corresponding packing cavity sidewall is provided with filler filling orifice (306); Described stuffing seal (3) also comprises the gland (307) that is set in the rotating shaft, gland (307) is provided with the annular lug (308) that stretches into stuffing box (303) over against stuffing box (303) one side centers, gland (307) is provided with the haulage gear of some uniform ring around annular lug (308), and haulage gear orders about annular lug (308) and compresses the graphite packing (304) that is positioned at relative Connection Block one end of packing cavity.

8. waste plastic oil-refining according to claim 1 system, it is characterized in that, described splitting gas tripping device (6) comprises tubulation tower cylindrical shell (601) and the eddy flow tower cylindrical shell (602) that the bottom is communicated with, described tubulation tower cylindrical shell (601) top is provided with splitting gas import (611), is provided with the dividing plate (604) of two levels in the inner chamber; Be provided with the tubulation that is used for heat exchange (605) of plurality of vertical between two dividing plates (604); Tubulation tower cylindrical shell (601) sidewall between two dividing plates (604) is provided with cold gas import (612) and cold gas outlet (613); Described eddy flow tower cylindrical shell (602) is provided with some grades of eddy flow plates (607), and eddy flow tower cylindrical shell (602) top is provided with splitting gas outlet (615).

9. waste plastic oil-refining according to claim 8 system, it is characterized in that, described splitting gas tripping device (6) also comprises the pipe connecting (609) that two ends are connected respectively bottom tubulation tower cylindrical shell (601) and eddy flow tower cylindrical shell (602), pipe connecting (609) middle part is communicated with the import of a desludging pump (610).