CN202181278U

CN202181278U - Plastic oil refining device

Info

Publication number: CN202181278U
Application number: CN201120310110XU
Authority: CN
Inventors: 王红心
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-24
Filing date: 2011-08-24
Publication date: 2012-04-04
Anticipated expiration: 2021-08-24

Abstract

The utility model discloses a plastic oil refining device comprising a feeding mechanism, an oil refining mechanism and a separating mechanism, wherein the oil refining mechanism comprises a reaction kettle with a material feeding pipe and a gas outlet pipe at two ends, a shell surrounding the reaction kettle and a driving mechanism for driving the reaction kettle to rotate, wherein the shell is in sealing matching with the reaction kettle to form a gap of a heating cavity, the inner cavity of the reaction kettle consists of a preheating area and a cracking area; the preheating area is close to the material feeding pipe and is internally provided with a plurality of straight-line heat exchange pipes which are arranged horizontally and are communicated with the heating cavity; the cracking area is close to the gas outlet pipe and is provided with a heat conduction tank at the center, the heat conduction tank is communicated with the heating cavity by an arc heat exchange pipe, and an annular heat conduction pipe surrounding the heat conduction tank and communicated with the heat conduction tank is arranged between the heat conduction tank and the inner wall of the reaction kettle. In the utility model, the preheating area is arranged at the material feeding end of the inner cavity of the reaction kettle of the plastic refining device, and the plastics can be melted into liquid state in advance, so as to avoid blocking of the cracking area.

Description

The plastics oil refining apparatus

Technical field

The utility model relates to a kind of refining equipment, relates in particular to a kind of plastics oil refining apparatus.

Background technology

Plastics are difficult to be degraded under physical environment, in order to improve its recovery utilization rate, can the amount of moulding of giving up be become small-molecule substance through high temperature degradation, and through separating preparation gasoline, diesel oil, liquefied gas ability fuel energy.

Chinese patent 200720187255.9 discloses a kind of cracking still of efficiently opening soon, comprises the still wall, and described still wall internal fixing is connected with heating tube, and heating tube is provided with and connects gas port up and down, connects gas port up and down and stretches out respectively outside the still wall; Described still wall is inboard to be provided with the bearing of being with earhole with heating tube, and heating tube is through passing being bolted on the still wall of earhole; Described heating tube is a spiral pipe; Described heating tube is that two pipes are formed by connecting through a plurality of adjacent pipes up and down; The top top cover of described cracking still is connected through bolt with the kettle bottom; Described heating tube is a stainless steel tube.This reaction kettle is for vertical, and it conducts heat through the heat transfer tube of inside, and heat-transfer effect is relatively poor, and is inhomogeneous.

Publication number is that the one Chinese patent application of CN101979467A discloses a kind of waste plastic oil-refining cracking still; Comprise outer cylinder body and drive the drive unit that outer cylinder body rotates; The outer cylinder body two ends are respectively equipped with opening for feed and discharge port, are provided with inner barrel co-axial with it in the outer cylinder body, are provided with some heat pipes between inner barrel and the outer cylinder body; The heat pipe two ends are tightly connected with outer cylinder body sidewall and inner barrel sidewall respectively, make inner barrel and outer cylinder body external communications.Become block after compression owing to get into the plastics of reaction kettle, be prone to make in the still and stop up.

Summary of the invention

The invention provides a kind of plastics oil refining apparatus, solved the problem that traditional reaction kettle is prone to take place putty.

A kind of plastics oil refining apparatus; Comprise that feed mechanism, oil refining mechanism and the shunting of oily vapour purify mechanism; The described mechanism that refines oil comprises that horizontal two ends are provided with the reaction kettle of feed-pipe and escape pipe, surround the shell of reaction kettle and drive the driving mechanism that reaction kettle rotates; Described shell and reaction kettle are sealed and matched, and leave the gap that constitutes heating chamber between the two, and the inner chamber of said reaction kettle is made up of preheating zone and cracking zone; Said preheating zone is near feed-pipe, and inside is provided with some horizontally disposed linear pattern heat transfer tubes that are communicated with heating chamber; Said cracking zone is near escape pipe, and the center is provided with heat conducting tank, and heat conducting tank is communicated with heating chamber through the arc heat transfer tube, is provided with the annular heat pipe that is communicated with around heat conducting tank and with it between heat conducting tank and the reaction kettle inwall.

Described feed mechanism comprises the material-supplying box of bucket shape, the travelling belt of past material-supplying box feeding and the feeder of being located at the material-supplying box bottom; Said feeder comprises that feeding tube and piston rod stretch into the hydro-cylinder of feeding tube; Feeding tube cooperates near the sealing of hydro-cylinder one end and with the piston rod packing of hydro-cylinder; The other end and feed-pipe are tightly connected, and the tube wall of feeding tube is provided with the opening for feed that is communicated with the material-supplying box bottom; Piston rod stretches into feeding tube one end and is provided with vertical push pedal.

Described feeding tube middle portion tube wall hollow, and the import of this part tube wall inner chamber and a liquid circulation mechanism is communicated with outlet, can absorb the heat that transmits from reaction kettle, avoids the plastic melt in the feeding tube, makes and should locate selfsealings.

Said escape pipe one end stretches in the reaction kettle inner chamber, upwards bends and extends near the reaction kettle inwall, and the open-ended flare of this end prevents that solids from getting into escape pipe and stop up.

Said oily vapour shunting purifies splitter column, storage tank and the some purification pots that mechanism comprises vertical setting; Said purification pot bottom is communicated with splitter column, and the top is communicated with storage tank through condensing mechanism; Said splitter column middle part is provided with the collection tube that is tightly connected with escape pipe, and the purification pot that is arranged on different heights can receive the oil gas that is positioned at splitter column different heights (different densities), realizes the specific aim processing.

Said driving mechanism is by the gear of motor, speed reduction unit, connection reducer output shaft and be fixed on the feed-pipe and form with the ring gear of toothing.

Said linear pattern heat transfer tube uniform ring is listed on the inner peripheral surface of reaction kettle, increases the charging space, and makes heat transfer evenly.

The reaction kettle inner chamber feed end of the plastics oil refining apparatus of the utility model is provided with the preheating zone, can let plastics melt in advance to liquid, has avoided stopping up at cracking zone, and this device can operate continuously simultaneously, is suitable for large-scale industrial production.

Description of drawings

Fig. 1 is the structural representation of the utility model plastics oil refining apparatus;

Fig. 2 is the A-A sectional view of device shown in Figure 1.

Embodiment

As shown in the figure, a kind of plastics oil refining apparatus comprises feed mechanism 1, oil refining mechanism 2 and (oily vapour shunting purifies) mechanism 3.

Feed mechanism 1 comprises the material-supplying box 101 of bucket shape, is connected toward the travelling belt 102 of its feeding with material-supplying box 101 tops, is located at the feed appliance of material-supplying box 101 belows, also is provided with in the material-supplying box 101 and stirs cage 102.Stirring cage 102 can let the plastics of material-supplying box 101 lead to the bottom.Feeder comprises that feeding tube 105, piston rod stretch into the hydro-cylinder 104 of feeding tube 105, and piston rod stretches into the push pedal 107 that feeding tube 105 1 ends are provided with vertical setting.

Feeding tube 105 cooperates near the sealing of hydro-cylinder 104 1 ends and with piston rod packing; Tube wall is provided with the opening for feed that is communicated with material-supplying box 101 bottoms; Middle part is a hollow, and cavity 106 is communicated with outlet with the import of the liquid circulation mechanism (not shown) of outside, can be to this part cooling; Avoid refining oil in the mechanism 2 the heat conduction and melt the plastics at this place, thereby reach self-packing purpose.

Oil refining mechanism 2 comprises that two ends are respectively equipped with the reaction kettle 203 of feed-pipe 201 and escape pipe 208, surround the shell 202 of reaction kettle 203 and drive the driving mechanism 4 that reaction kettle 201 rotates; Shell 202 cooperates with reaction kettle 203 sealed at both ends; And both leave the gap, and this gap is a heating chamber 216.Feed-pipe 201 is tightly connected through sealing mechanism 5 with feeding tube 105, and sealing mechanism can be a sealing bearing, also can be the chuck that the inboard is provided with the graphite packing.Driving mechanism 4 is by the gear of motor, speed reduction unit, connection reducer output shaft and be fixed on the feed-pipe and form with the ring gear of toothing.

Reaction kettle 203 is horizontal, and the bottom is provided with carriage 209,210, and the carriage top is provided with the roller that cooperates with the reaction kettle outer wall.The reaction kettle inner chamber is made up of preheating zone and cracking zone two portions, and wherein the preheating zone is provided with the linear pattern heat transfer tube 204 of six roots of sensation level near feed-pipe 201 in the preheating zone, and the linear pattern heat transfer tube is communicated with heating chamber 216 and uniform ring is listed on the inner peripheral surface of reaction kettle 203.

The cracking zone center is provided with heat conducting tank 205, and heat conducting tank 205 is communicated with heating chamber through arc heat transfer tube 207, is provided with the annular heat transfer tube 206 around heat conducting tank 205 between heat conducting tank 205 and reaction kettle 203 inwalls, and annular heat transfer tube 206 is communicated with heat conducting tank 205 inner chambers.Arc heat transfer tube 207 can make inner air produce turbulent flow, quickens to conduct heat.

Escape pipe 208 1 ends stretch into reaction kettle 203 inside slightly, and this end upwards bends and extends near reaction kettle 203 inwalls, this end opening flare.The discharge end of reaction kettle 203 also is provided with and detects mouthful 214 and two vertical tubes of slagging tap, and is respectively equipped with in two tubes of slagging tap and stirs cage 211,212.Setting is stirred on the tube of slagging tap of cage 212 and also is provided with slag notch 213.

Separation mechanism 3 comprises vertical splitter column 302, three purification pots 304～306 and storage tank 307.Splitter column 302 middle parts are provided with the collection tube 301 that is tightly connected through sealing mechanism 6 with escape pipe 208, and sealing mechanism 6 can be identical or different with above-mentioned sealing mechanism 5, and splitter column 302 bottoms are provided with stirs cage 303, are used to remove inner slag charge.

Purification pot 304～306 bottoms are communicated with splitter column through pipeline; The top is communicated with storage tank 307 through prolong 308; Purification pot 304～306 is arranged on three different height with the connectivity points of splitter column 302; Therefore can receive the flue gas of different densities, thereby realize perhaps isolating fuel being sent in the different storage tank to the processing of changing.Be provided with the bed filtration net in the purification pot, to remove toxic substance and ash content.

The principle of work of said apparatus is following:

At first, heating chamber 216 inner airs are heated up, simultaneously rotational response still 203 in the outer casing bottom heating.In rotation process, travelling belt 103 is sent into plastics in the material-supplying box 101, stirs cage 102 and delivers to the material-supplying box bottom to them, and the piston rod elongation of hydro-cylinder 104 also pushes plastics compression back forward.

Plastics are after getting into the preheating zone, because linear pattern heat transfer tube 204 is communicated with heating chamber 216, its inner warm air heats plastics, makes plastic melt.The plastics that melt get into cracking zone; The heat conducting tank 205 of whole cracking zone, arc heat transfer tube 207 and annular heat-transmission pipe 206 all are communicated with heating chamber 216; Make the quick cracking of plastics; The oil gas that produces gets in the splitter column 302 through escape pipe 208, and all the other large particulate matters then are deposited in the reaction kettle 203.

The flue gas that gets into splitter column 302 gets into purification pot 304～306 respectively then because layering can appear in the density difference, and flue gas is sent into prolong after purification pot purifies, and the liquefaction back gets into storage tank 307.Storage tank 307 can be one, also can be provided with a plurality of, to receive different cuts respectively.

After oil refining apparatus quits work, can use and stir cage 211,212,303 respectively with the residue removing in reaction kettle 203 and the splitter column 302.

Claims

1. plastics oil refining apparatus; Comprise that feed mechanism, oil refining mechanism and the shunting of oily vapour purify mechanism; The described mechanism that refines oil comprises that horizontal two ends are provided with the reaction kettle of feed-pipe and escape pipe, surround the shell of reaction kettle and drive the driving mechanism that reaction kettle rotates, and described shell and reaction kettle are sealed and matched, and leave the gap that constitutes heating chamber between the two; It is characterized in that the inner chamber of said reaction kettle is made up of preheating zone and cracking zone; Said preheating zone is near feed-pipe, and inside is provided with some horizontally disposed linear pattern heat transfer tubes that are communicated with heating chamber; Said cracking zone is near escape pipe, and the center is provided with heat conducting tank, and heat conducting tank is communicated with heating chamber through the arc heat transfer tube, is provided with the annular heat pipe that is communicated with around heat conducting tank and with it between heat conducting tank and the reaction kettle inwall.

2. plastics oil refining apparatus according to claim 1; It is characterized in that; Described feed mechanism comprises the material-supplying box of bucket shape, the travelling belt of past material-supplying box feeding and the feeder of being located at the material-supplying box bottom, and said feeder comprises that feeding tube and piston rod stretch into the hydro-cylinder of feeding tube, and feeding tube cooperates near the sealing of hydro-cylinder one end and with the piston rod packing of hydro-cylinder; The other end and feed-pipe are tightly connected, and the tube wall of feeding tube is provided with the opening for feed that is communicated with the material-supplying box bottom; Piston rod stretches into feeding tube one end and is provided with vertical push pedal.

3. plastics oil refining apparatus according to claim 2 is characterized in that, described feeding tube middle portion tube wall hollow, and this part tube wall inner chamber is communicated with outlet with the import of a liquid circulation mechanism.

4. plastics oil refining apparatus according to claim 1 is characterized in that, said escape pipe one end stretches in the reaction kettle inner chamber, upwards bends and extends near the reaction kettle inwall, the open-ended flare of this end.

5. plastics oil refining apparatus according to claim 1 is characterized in that, said oily vapour shunting purifies splitter column, storage tank and the some purification pots that mechanism comprises vertical setting; Said purification pot bottom is communicated with splitter column, and the top is communicated with storage tank through condensing mechanism; Said splitter column middle part is provided with the collection tube that is tightly connected with escape pipe.

6. plastics oil refining apparatus according to claim 1 is characterized in that, said driving mechanism is by the gear of motor, speed reduction unit, connection reducer output shaft and be fixed on the feed-pipe and form with the ring gear of toothing.

7. plastics oil refining apparatus according to claim 1 is characterized in that, said linear pattern heat transfer tube uniform ring is listed on the inner peripheral surface of reaction kettle.