CN208617779U

CN208617779U - A kind of waste plastics electric heating cracking apparatus

Info

Publication number: CN208617779U
Application number: CN201821211352.1U
Authority: CN
Inventors: 陈光益
Original assignee: Jiangxi O Li Da Industrial Co Ltd
Current assignee: Jiangxi O Li Da Industrial Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2019-03-19
Anticipated expiration: 2028-07-27

Abstract

A kind of waste plastics electric heating cracking apparatus of the utility model, including raw material conveying device, cracker, condenser, residue collecting pit and catch box, the raw material conveying device includes No.1 horizontal feed frame, No. two horizontal feed framves and inclination carriage, the upper left side of the No.1 horizontal feed frame is fixed with storage bin, the cracker includes No.1 cracking case and No. two cracking casees, it is connected between the No.1 cracking case and No. two cracking casees by conveying pipeline, loading hopper on the No.1 cracking left roof of case is located at the underface of No. two horizontal feeds frame right end, residue collecting pit is fixed with below the slag-drip opening in No. two cracking bottom portion, the input port of the condenser cracks case with the No.1 respectively and the right roof of No. two cracking casees is connected, the delivery outlet of the condenser is connected with catch box, the utility model is not only Labor intensity can be reduced, and lytic effect is good, rate of cleavage is fast, substantially increases the efficiency of cracking with feeding in continuous material.

Description

A kind of waste plastics electric heating cracking apparatus

Technical field

The utility model relates to waste plastics recoveries to utilize equipment technical field, in particular to a kind of waste plastics electric heating cracking Equipment.

Background technique

With social development and scientific and technological progress, various plastic products come into the every field of social life, play Huge effect, but consequent is that plastics discarding amount increasingly increases and not degradable causes now common " white of people Color pollution ".In face of such severe situation, people generally have landfill method, incineration method, chemical recovery to the solution of waste plastics Method etc., wherein landfill method will cause land pollution and water pollution, seriously affect the sustainable development of environment；Incineration method is in rubbish Hydro carbons, nitride, sulfide, dust and other some noxious materials can be generated in burning process, it is right in air to be discharged into Atmosphere pollutes；Macromolecular substances are resolved into small-molecule substance under the action of thermal energy or catalyst by chemical recycling, Pollution of the pernicious gas to environment can be not only eliminated, but also can be recycled to obtain including all kinds of hydrocarbon products such as gasoline, paraffin, Realize the resource utilization of waste, therefore, waste plastics mainly uses chemical recycling to be handled, currently, chemical recycling With it is more for pyrolysismethod, pyrolysis catalytic upgrade and 3 kinds of catalytic pyrolysis method, pyrolysismethod is obtained since technique is relatively simple To being widely applied.But current Pyrolysis of Plastics Wastes equipment, which still has, cannot achieve feeding in continuous material, crack insufficient etc. ask Topic, not only causes hand labor slightly big, but also will affect the effect of cracking, improves the cost of process in plastics.

Utility model content

In order to overcome the above-mentioned deficiencies of the prior art, the utility model proposes a kind of waste plastics electric heating cracking apparatus, Not only labor intensity can be reduced, and lytic effect is good, rate of cleavage is fast, substantially increases the efficiency of cracking with feeding in continuous material.

To achieve the goals above, the technical scheme adopted by the utility model is

A kind of waste plastics electric heating cracking apparatus, including raw material conveying device, cracker, condenser, residue collecting pit And catch box:

The raw material conveying device include No.1 horizontal feed frame, No. two horizontal feed framves and inclination carriage, described one Number horizontal feed frame and No. two horizontal feed framves are located at the left and right sides of the inclination carriage, the No.1 horizontal feed Frame, No. two horizontal feed framves and inclination carriage be an integral molding structure, the No.1 horizontal feed frame and inclination carriage it Between and No. two horizontal feed framves and inclination carriage between be smooth transition, connect on the raw material conveying device There is conveyor belt, the left part of the No.1 horizontal feed frame is fixed with driving wheel, the right part of No. two horizontal feed framves It is fixed with follower, the No.1 horizontal feed frame, No. two horizontal feed framves and inclination between the driving wheel and follower Be respectively and fixedly provided with back-up roller wheel on carriage, one end of the conveyor belt pass through the driving wheel, follower and back-up roller wheel with The other end is fixedly linked, along the two of the No.1 horizontal feed frame of conveying direction, No. two horizontal feed framves and inclination carriage Side is respectively and fixedly provided with baffle, and the partition perpendicular to the baffle, the No.1 horizontal feed are uniformly fixed in the conveyor belt Speed regulating motor and governor are fixedly connected on the side of frame, the speed regulating motor and governor are electrically connected, the speed regulation electricity Machine and the driving wheel are electrically connected, and the upper left side of the No.1 horizontal feed frame is fixed with storage bin, the bottom of the storage bin Portion's center position offers discharge port, the top of No.1 horizontal feed frame, the discharge outlet described in the discharge port face Hand-operated valve is installed；

The cracker includes No.1 cracking case and No. two cracking casees, and the No.1 cracking case and No. two cracking casees wrap Outer case and internal box are included, cavity is provided between the outer case and internal box, heated mould is uniformly installed in the cavity Block, the heating module include heat-conducting substrate and electromagnetic heating coil, and the electromagnetic heating coil is described in the heat-conducting substrate The outer surface of outer case is successively coated with polyurethane thermal insulation layer and ceramic insulating layer from the inside to surface, and the No.1 cracks case and No. two It is respectively and fixedly provided with rotation axis on central axis inside cracking case, the stirring perpendicular to the rotation axis is fixed in the rotation axis Rod, poking bar bilateral symmetry are distributed in the rotation axis, are uniformly fixed with tapered protrusion on the poking bar, and described one Number cracking case rotation axis one end pass through the No.1 cracking case roof be connected with the No.1 motor being fixed on roof, separately One end extends to the top of the No.1 cracking bottom wall, and one end of the rotation axis of No. two cracking case passes through described No. two and splits The roof of solution case is connected with No. two motors being fixed on roof, and the other end extends to the top of No. two cracking bottom wall, Thermometer is mounted on the outer wall of the No.1 cracking case and No. two cracking casees, the No.1 cracking case and No. two crack case View is offered on the outer wall of the high pyramidal structure of low surrounding centered on bottom wall is equal, the No.1 cracking case and No. two cracking casees Window is fixed with loading hopper on the left roof of No.1 cracking case, and the loading hopper is located at No. two horizontal feed framves The junction of the underface of right end, the loading hopper and No.1 cracking case is equipped with hand-operated valve, and the No.1 cracks case The left roof that bottom centre position cracks case with described No. two is connected by conveying pipeline, is equipped in the delivery pipe manually Valve, it is described No. two cracking case bottom centre positions at offer slag-drip opening, hand-operated valve, the row are installed at the slag-drip opening Residue collecting pit is fixed with below cinder notch；

Condenser is provided on the right side of the cracker, the condenser includes input port and delivery outlet, the condensation The input port of device cracks case with the No.1 respectively and the right roof of No. two cracking casees is connected, the delivery outlet and collection of the condenser Liquid case is connected.

As the further improvement of the technical program, the lower part of the storage bin (6) is pyramidal structure.

As the further improvement of the technical program, form is offered on the outer wall of the storage bin (6).

As the further improvement of the technical program, the angle between inclination carriage (13) and horizontal line is 45- 50°。

As the further improvement of the technical program, the outer surface of the rotation axis (205) and poking bar (206) is sprayed There is silicon nitride wear resistant coating.

Compared with prior art, the utility model has the beneficial effects that

(1) waste plastics electric heating cracking apparatus provided by the utility model is provided with raw material conveying device, the feedstock transportation Device includes No.1 horizontal feed frame, No. two horizontal feed framves and inclination carriage, No.1 horizontal feed frame, No. two horizontal feeds Frame and inclination carriage are an integral molding structure, and conveyor belt is connected on the raw material conveying device, is uniformly consolidated in conveyor belt Surely there is the partition perpendicular to baffle, while being fixed with storage bin on the upper left side of No.1 horizontal feed frame, can be continuously cracking Device carries out feeding, reduces labor intensity, improves lysis efficiency；

(2) waste plastics electric heating cracking apparatus provided by the utility model, cracker include No.1 cracking case and two Number cracking case, No.1 cracking case bottom centre position is connected with the left roof of No. two cracking casees by conveying pipeline, while two Slag-drip opening is offered at the bottom centre position of number cracking case, is fixed with residue collecting pit below slag-drip opening, and by one Number cracking case and No. two cracking casees right roofs be connected with condenser respectively, in cracking waste plastics, first pass through No.1 cracking Case carries out first time cracking, then carries out second pyrolysis by No. two cracking casees again, wherein the small molecule hydrocarbon substance generated is logical It crosses condenser cooling and is collected, the slag-drip opening that macromolecule hydrocarbon (heavy oil) substance then passes through No. two cracking casees is collected into residue In collecting pit, by carrying out second pyrolysis to waste plastics, guarantees that waste plastics is adequately cracked, improve its lytic effect；This Outside, it is provided with agitating shaft in the inside that No.1 cracks case and No. two cracking casees, poking bar is provided on agitating shaft, on poking bar It is provided with tapered protrusion, is stirred during cracking waste plastics, not only may insure the plastics of each position in cracking case It is heated evenly, and plastics can further be smashed, accelerate the speed of cracking and the effect of cracking.

(3) waste plastics electric heating cracking apparatus provided by the utility model not only can reduce labor intensity with feeding in continuous material, And lytic effect is good, and rate of cleavage is fast, substantially increases the efficiency of cracking.

Detailed description of the invention:

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the structural schematic diagram of the raw material conveying device in the utility model embodiment；

Fig. 3 is the structural schematic diagram of the cracker in the utility model embodiment.

In figure: 1- raw material conveying device, 2- cracker, 3- condenser, 4- residue collecting pit, 5- catch box, 6- storing Storehouse, 11- No.1 horizontal feed frame, No. bis- horizontal feed framves of 12-, 13- tilt carriage, 14- driving wheel, 15- follower, 16- Back-up roller wheel, 17- baffle, 18- speed regulating motor, 19- governor, 21- No.1 crack case, No. bis- cracking casees of 22-, 23- No.1 electricity Machine, No. bis- motors of 24-, 25- loading hopper, 26- conveying pipeline, 27- slag-drip opening, 61- discharge port, 201- outer case, case in 202- Body, 203- cavity, 204- heating module, 205- rotation axis, 206- poking bar, 207- tapered protrusion, 208- thermometer.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other It can be combined with each other.

As shown in Figure 1-3, a kind of waste plastics electric heating cracking apparatus provided by the embodiment of the utility model, including raw material are defeated Send device 1, cracker 2, condenser 3, residue collecting pit 4 and catch box 5:

The raw material conveying device 1 includes 11, No. two horizontal feed framves 12 of No.1 horizontal feed frame and inclination carriage 13, The No.1 horizontal feed frame 11 and No. two horizontal feed framves 12 are located at the left and right sides of the inclination carriage 13, described 11, No. two horizontal feed framves 12 of No.1 horizontal feed frame and inclination carriage 13 are an integral molding structure, and the No.1 level is defeated Send frame 11 and inclination carriage 13 between and No. two horizontal feed framves 12 and inclination carriage 13 between be smoothed It crosses, conveyor belt is connected on the raw material conveying device 1, the left part of the No.1 horizontal feed frame 11 is fixed with driving wheel 14, the right part of No. two horizontal feed framves 12 is fixed with follower 15, the institute between the driving wheel 14 and follower 15 It states and is respectively and fixedly provided with back-up roller wheel 16 on 11, No. two horizontal feed framves 12 of No.1 horizontal feed frame and inclination carriage 13, it is described defeated It send one end of belt to pass through the driving wheel 14, follower 15 and back-up roller wheel 16 to be fixedly linked with the other end, along conveying direction 11, No. two horizontal feed framves 12 of the No.1 horizontal feed frame and tilt carriage 13 two sides be respectively and fixedly provided with baffle 17, institute The partition being uniformly fixed in conveyor belt perpendicular to the baffle 17 is stated, is fixed on the side of the No.1 horizontal feed frame 11 Be connected with speed regulating motor 18 and governor 19, the speed regulating motor 18 and governor 19 are electrically connected, the speed regulating motor 18 with The driving wheel 14 is electrically connected, and the upper left side of the No.1 horizontal feed frame 11 is fixed with storage bin 6, the storage bin 6 Discharge port 61 is offered at bottom centre position, the top of No.1 horizontal feed frame 11 described in 61 face of discharge port is described Hand-operated valve is installed at discharge port 61；

The cracker 2 includes No.1 cracking case 21 and No. two cracking casees 22, and the No.1 cracking case and No. two crack Case includes outer case 201 and internal box 202, and cavity 203, the sky are provided between the outer case 201 and internal box 202 Heating module 204 is uniformly installed, the heating module 204 includes heat-conducting substrate and electromagnetic heating coil, the electromagnetism in chamber 203 For heating coil in the heat-conducting substrate, the outer surface of the outer case 201 is successively coated with polyurethane thermal insulation layer from the inside to surface And ceramic insulating layer, the No.1 crack and are respectively and fixedly provided with rotation axis 205 on the central axis inside case 21 and No. two cracking casees 22, The poking bar 206 perpendicular to the rotation axis 205 is fixed in the rotation axis 205, the poking bar 206 is symmetrically distributed In the rotation axis 205, tapered protrusion 207, the rotation of the No.1 cracking case 21 are uniformly fixed on the poking bar 206 The roof that one end of axis 205 passes through No.1 cracking case 21 is connected with the No.1 motor 23 being fixed on roof, and the other end prolongs The top of No.1 cracking 21 bottom wall of case is extended to, one end of the rotation axis 205 of No. two cracking case 22 passes through described No. two The roof of cracking case 22 is connected with No. two motors 24 being fixed on roof, and the other end extends to No. two cracking 22 bottom wall of case Top, be mounted on thermometer 208 on the outer walls of No.1 cracking case 21 and No. two cracking casees 23, the No.1 cracks case 21 and No. two cracking casees 22 bottom walls it is equal centered on the high pyramidal structure of low surrounding, the No.1 cracking case 21 and No. two cracking casees Form is offered on 22 outer wall, and loading hopper 25, the charging leakage are fixed on the left roof of the No.1 cracking case 21 Bucket 25 is located at the underface of 12 right end of No. two horizontal feed framves, the company of the loading hopper 25 and No.1 cracking case 21 The place of connecing is equipped with hand-operated valve, and the left roof that No.1 cracking 21 bottom centre position of case cracks case 22 with described No. two passes through defeated Expects pipe 26 is connected, and hand-operated valve is equipped in the delivery pipe 26, is opened up at the bottom centre position of No. two cracking case 22 There is slag-drip opening 27, hand-operated valve is installed at the slag-drip opening 27, the lower section of the slag-drip opening 27 is fixed with residue collecting pit 4；

The right side of the cracker 2 is provided with condenser 3, and the condenser 3 includes input port and delivery outlet, described cold The input port of condenser 3 respectively with the No.1 crack case 21 and No. two cracking casees 22 right roofs be connected, the condenser 3 it is defeated Outlet is connected with catch box 5.

Waste plastics electric heating cracking apparatus provided by the embodiment of the utility model is provided with raw material conveying device 1, the raw material Conveying device 1 includes 11, No. two horizontal feed framves 12 of No.1 horizontal feed frame and inclination carriage 13, No.1 horizontal feed frame 11, No. two horizontal feed framves 12 and inclination carriage 13 are an integral molding structure, and are connected with conveying skin on the raw material conveying device 1 Band is uniformly fixed with the partition perpendicular to baffle in conveyor belt, while being fixed on the upper left side of No.1 horizontal feed frame 11 Storage bin 6 continuously can carry out feeding for cracker, reduce labor intensity, improve lysis efficiency；The utility model provides Waste plastics electric heating cracking apparatus, cracker 2 includes No.1 cracking case 21 and No. two cracking casees 22, No.1 cracking case 21 The left roof that bottom centre position cracks case 22 with No. two is connected by conveying pipeline 26, while the bottom for cracking case 22 at No. two Center position offers slag-drip opening 27, is fixed with residue collecting pit 4 in the lower section of slag-drip opening 27, and No.1 is cracked case 21 With No. two crack casees 22 right roof be connected respectively with condenser 3, in cracking waste plastics, first pass through No.1 crack case 21 into Row cracks for the first time, then second pyrolysis is carried out by No. two cracking casees 22 again, wherein the small molecule hydrocarbon substance generated passes through Condenser is cooling and is collected, and the slag-drip opening 27 that macromolecule hydrocarbon (heavy oil) substance then passes through No. two cracking casees 22 is collected into residual In slag collecting pit 4, by carrying out second pyrolysis to waste plastics, guarantees that waste plastics is adequately cracked, improve its lytic effect； In addition, being provided with agitating shaft 205 in the inside that No.1 cracks case 21 and No. two cracking casees 22, it is provided with and stirs on agitating shaft 205 Rod 206 is mixed, tapered protrusion 207 is provided on poking bar 206, is stirred during cracking waste plastics, not only may insure The plastics of each position are heated evenly in cracking case, and can further be smashed to plastics, and the speed of cracking is accelerated With the effect of cracking.

When being cracked to waste plastics, first waste plastics is stored in storage bin 6, and opens heating module 204, by one Number cracking case 21 and No. two cracking casees 22 be preheating to 500-600 DEG C, be then turned on raw material conveying device 1, waste plastics is via No.1 Horizontal feed frame 11, inclination carriage 13 and No. two horizontal feed framves 12 are transmitted in No.1 cracking case 21, open No.1 motor 23, cracking is stirred to waste plastics, and the temperature of No.1 cracking case 21 is increased to 700-800 DEG C, it is made to remain warm herein Degree range is cracked, and when observing has bulk gas production in No.1 cracking case 21, opens condenser 3, and release No.1 The hand-operated valve in the delivery pipe 26 between case 21 and No. two cracking casees 22 is cracked, the temperature for and then cracking case 22 for No. two increases To 800-900 DEG C, crack its maintenance in this temperature range, when observing in No. two cracking casees 22 there is bulk gas production When, the slag-drip opening 27 in No. two cracking casees 22 is opened, needs timing to add waste plastics into storage bin 6 in cracking process, guarantees to split The continuous feeding of solution preocess, meanwhile, the small molecule hydrocarbon substance generated in cracking process is collected into collection by the cooling of condenser 3 In liquid case 5, the slag-drip opening 27 that macromolecule hydrocarbon (heavy oil) substance then passes through No. two cracking casees 22 is collected into residue collecting pit 4, Gasoline, diesel oil, liquefied gas etc. can be made after subsequent processing and recycle product for these substances being collected into.

To be discharged convenient for waste plastics from storage bin 6, in the present embodiment, the lower part of the storage bin 6 is pyramidal structure.

To add waste plastics in time convenient for the material stock situation in real time monitoring storage bin 6, in the present embodiment, the storage Form is offered on the outer wall of feed bin 6.

For waste plastics is transported to suitable eminence position, in the present embodiment, institute from lower convenient for raw material conveying device 1 The angle stated between inclination carriage 13 and horizontal line is 45-50 °.

For the abrasive resistance for improving rotation axis 205 and poking bar 206, extend their service life, in the present embodiment, The outer surface of the rotation axis 205 and poking bar 206 is coated with silicon nitride wear resistant coating.

The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.

Claims

1. a kind of waste plastics electric heating cracking apparatus, including raw material conveying device (1), cracker (2), condenser (3), residue Collecting pit (4) and catch box (5), it is characterised in that:

The raw material conveying device (1) includes No.1 horizontal feed frame (11), No. two horizontal feed framves (12) and inclination carriage (13), the No.1 horizontal feed frame (11) and No. two horizontal feed framves (12) are located at a left side for inclination carriage (13) Right two sides, the No.1 horizontal feed frame (11), No. two horizontal feed framves (12) and inclination carriage (13) are integrally formed knot Structure, the No.1 horizontal feed frame (11) and inclination carriage (13) between and No. two horizontal feed framves (12) with incline It is smooth transition between oblique carriage (13), conveyor belt is connected on the raw material conveying device (1), the No.1 is horizontal The left part of carriage (11) is fixed with driving wheel (14), and the right part of No. two horizontal feed framves (12) is fixed with follower (15), the No.1 horizontal feed frame (11) between the driving wheel (14) and follower (15), No. two horizontal feed framves (12) and in inclination carriage (13) it is respectively and fixedly provided with back-up roller wheel (16), one end of the conveyor belt passes through the driving wheel (14), follower (15) and back-up roller wheel (16) are fixedly linked with the other end, along the No.1 horizontal feed frame of conveying direction (11), the two sides of No. two horizontal feed framves (12) and inclination carriage (13) are respectively and fixedly provided with baffle (17), in the conveyor belt It is uniformly fixed with the partition perpendicular to the baffle (17), is fixedly connected with tune on the side of the No.1 horizontal feed frame (11) Speed motor (18) and governor (19), the speed regulating motor (18) and governor (19) are electrically connected, the speed regulating motor (18) It is electrically connected with the driving wheel (14), the upper left side of the No.1 horizontal feed frame (11) is fixed with storage bin (6), the storage It is offered at the bottom centre position of feed bin (6) discharge port (61), No.1 horizontal feed frame described in discharge port (61) face (11) top is equipped with hand-operated valve at the discharge port (61)；

The cracker (2) includes No.1 cracking case (21) and No. two cracking casees (22), and the No.1 cracking case and No. two are split Solving case includes outer case (201) and internal box (202), is provided with cavity between the outer case (201) and internal box (202) (203), be uniformly equipped with heating module (204) in the cavity (203), the heating module (204) include heat-conducting substrate and Electromagnetic heating coil, the electromagnetic heating coil in the heat-conducting substrate, the outer surface of the outer case (201) from the inside to surface according to It is secondary to be coated with polyurethane thermal insulation layer and ceramic insulating layer, the center of No.1 cracking case (21) and No. two cracking case (22) inside It is respectively and fixedly provided on axis rotation axis (205), the stirring perpendicular to the rotation axis (205) is fixed on the rotation axis (205) Rod (206), the poking bar (206) are symmetrically distributed on the rotation axis (205), on the poking bar (206) uniformly It is fixed with tapered protrusion (207), one end of the rotation axis (205) of No.1 cracking case (21) passes through the No.1 and cracks case (21) roof is connected with the No.1 motor (23) being fixed on roof, and the other end extends to described No.1 cracking case (21) bottom wall Top, one end of the rotation axis (205) of No. two cracking case (22) passes through the roof of described No. two cracking case (22) and solid No. two motors (24) on roof are scheduled on to be connected, the other end extends to the tops of described No. two cracking case (22) bottom wall, and described one Be mounted on thermometer (208) on the outer walls of number cracking case (21) and No. two cracking case (22), the No.1 crack case (21) and The high pyramidal structure of low surrounding centered on the bottom wall of No. two cracking case (22) is equal, No.1 cracking case (21) and No. two cracking casees (22) form is offered on outer wall, is fixed with loading hopper (25) on the left roof of No.1 cracking case (21), it is described Loading hopper (25) is located at the underface of No. two horizontal feed framves (12) right end, the loading hopper (25) and the No.1 The junction of cracking case (21) is equipped with hand-operated valve, No.1 cracking case (21) bottom centre position and No. two cracking case (22) left roof is connected by conveying pipeline (26), and hand-operated valve, No. two cracking case are equipped on the conveying pipeline (26) (22) it is offered at bottom centre position slag-drip opening (27), hand-operated valve, the slag-drip opening is installed at the slag-drip opening (27) (27) residue collecting pit (4) are fixed with below；

It is provided with condenser (3) on the right side of the cracker (2), the condenser (3) includes input port and delivery outlet, described The input port of condenser (3) is connected with the right roof of No.1 cracking case (21) and No. two cracking case (22) respectively, described cold The delivery outlet of condenser (3) is connected with catch box (5).

2. a kind of waste plastics electric heating cracking apparatus according to claim 1, it is characterised in that: the storage bin (6) Lower part is pyramidal structure.

3. a kind of waste plastics electric heating cracking apparatus according to claim 1, it is characterised in that: the storage bin (6) Form is offered on outer wall.

4. a kind of waste plastics electric heating cracking apparatus according to claim 1, it is characterised in that: the inclination carriage (13) angle between horizontal line is 45-50 °.

5. a kind of waste plastics electric heating cracking apparatus according to claim 1, it is characterised in that: the rotation axis (205) Silicon nitride wear resistant coating is coated with the outer surface of poking bar (206).