CN203582812U - Integrated dechlorination falling-film cracking device - Google Patents
Integrated dechlorination falling-film cracking device Download PDFInfo
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- CN203582812U CN203582812U CN201320775051.2U CN201320775051U CN203582812U CN 203582812 U CN203582812 U CN 203582812U CN 201320775051 U CN201320775051 U CN 201320775051U CN 203582812 U CN203582812 U CN 203582812U
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- dechlorination
- liquid film
- falling liquid
- falling
- film cracking
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- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 86
- 238000005336 cracking Methods 0.000 title claims abstract description 76
- 239000011552 falling film Substances 0.000 title abstract 9
- 239000006229 carbon black Substances 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 64
- 238000003756 stirring Methods 0.000 claims description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000005485 electric heating Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 238000013022 venting Methods 0.000 claims description 10
- 238000001833 catalytic reforming Methods 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 abstract description 24
- 239000004033 plastic Substances 0.000 abstract description 24
- 239000003921 oil Substances 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 16
- 239000004800 polyvinyl chloride Substances 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000460 chlorine Substances 0.000 abstract description 2
- 229910052801 chlorine Inorganic materials 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 239000010705 motor oil Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 49
- 239000007789 gas Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 239000013502 plastic waste Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 9
- 238000009835 boiling Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000010504 bond cleavage reaction Methods 0.000 description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000007017 scission Effects 0.000 description 6
- 238000010000 carbonizing Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007033 dehydrochlorination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010913 used oil Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model relates to an integrated dechlorination falling-film cracking device which comprises a material bin, a dechlorination slot, a material distributor and a falling-film cracking reactor, wherein the material bin is connected with the dechlorination slot through a first-grade feeder; the dechlorination slot is connected with the material distributor through a second-grade feeder; the material distributor is connected with at least one falling-film cracking reactor; an oil-gas collector is arranged at the upper part of the falling-film cracking reactor; a carbon black treater is arranged at the bottom of the falling-film cracking reactor and connected with a collecting tank through a carbon powder cooler. Based on the structure, the integrated dechlorination falling-film cracking device has the strong adaptability and can be used for completely cracking waste plastics, residue oils and waste engine oils as well as performing harmless cracking treatment on polyvinyl chloride containing chlorine. Thus, the integrated dechlorination falling-film cracking device has the large treatment capacity and realizes the complete and efficient conversion. The carbon is prevented from being accumulated on the barrel wall of the integrated dechlorination falling-film cracking device, so that the secondary pollution is avoided, namely, the continuous production is ensured; the defects of the waste plastic treatment equipment which is small in actual tonnage, incomplete cracking reaction and serious in carbon accumulation and easily causes the secondary pollution are overcome.
Description
Technical field
The utility model relates to large-tonnage cracker technical field, specifically refers to a kind of integrated form dechlorination falling liquid film cracker.
Background technology
At present in order to the cracking reactor of cracking waste plastics, mainly contain shell and tube cracking reactor both at home and abroad, fluidized bed cracking reactor, slot type rotation cracking reactor, also has the centrifugal scraping plate film formation pyrolysis device of exploitation recently.These several cracking reactors have the following disadvantages: because plastic waste heat transfer is poor, the rear viscosity of thawing is large, easily cause shell and tube cracking reactor knot carbon, cause cracking incomplete, even scission reaction is difficult to carry out.Plastic waste can produce high viscosity oily or wax at the cracking process of fluidized bed cracking reactor, and be all attached on heating carrier, thereby make the mobility variation of heating carrier, affect the lytic effect of fluid bed heat cracking reactor, often need the constantly new carrier of heating for this reason.With slot type rotation cracking reactor cracking waste plastics, existence is conducted heat slowly, reaction time is long, and cracking is incomplete, and knot carbon is serious, and end product is reluctant thickness carbonizing matter, and secondary pollution is seriously polluted.Centrifugal scraping plate film formation pyrolysis device is current more satisfactory waste plastic cracking equipment, has speed of response fast, does not tie carbon, and 100% effectively transforms, non-secondary pollution.Although, the shortcoming and defect of several cracking reactors before having overcome, the treatment capacity of this cracker plastic waste is little, can only be at 50～60 kgs/hour.Above-mentioned several cracking reactor is the cracking processing of inapplicable polyvinyl chloride (PVC) all, because polyvinyl chloride (PVC) can produce hydrogenchloride (HCl) gas and etching apparatus at thermal cracking processes, contaminate environment.
Utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provides that a kind of processing power is large, speed of response is fast, be difficult for the integrated form dechlorination falling liquid film cracker of knot carbon, non-secondary pollution.
For realizing above-mentioned object, integrated form dechlorination falling liquid film cracker of the present utility model by the following technical solutions:
This integrated form dechlorination falling liquid film cracker, its principal feature is, comprise feed bin, dechlorination groove, stock distributor and falling liquid film cracking reactor, described feed bin is connected with described dechlorination groove by one-level charger, described dechlorination groove is connected with described stock distributor by secondary charger, described stock distributor is connected with the falling liquid film cracking reactor described at least one, the top of described falling liquid film cracking reactor is provided with oil gas collection device, the bottom of this falling liquid film cracking reactor is provided with carbon black treater, described carbon black treater is connected with holding tank by carbon dust water cooler.
In feed bin in this integrated form dechlorination falling liquid film cracker, being provided with blanking stirs, this blanking is stirred and is comprised stir shaft, the 5th step-down gear drives described stir shaft to rotate, and rectangular paddle is fixedly installed on the top of described stir shaft, and screw-blade is arranged at the bottom of described stir shaft.
One-level charger in this integrated form dechlorination falling liquid film cracker comprises barrel, in this barrel, is provided with screw rod, and the first step-down gear drives described bolt rotary, and the outer wall permanent sleeve of described barrel is provided with plural groups electric heating cover.
The top of the dechlorination groove in this integrated form dechlorination falling liquid film cracker offers venting hole, the middle part of this dechlorination groove is provided with feed port, described one-level charger is communicated with described dechlorination groove by this feed port, and electric heating cover permanent sleeve is located at outside described dechlorination groove.
Secondary charger in this integrated form dechlorination falling liquid film cracker comprises barrel, in this barrel, is provided with screw rod, and the second step-down gear drives described bolt rotary, and the outer wall permanent sleeve of described barrel is provided with plural groups electric heating cover.
Stock distributor in this integrated form dechlorination falling liquid film cracker comprises the cylindrical shell of circle or rectangle, the bottom of this cylindrical shell is correspondingly provided with the dish of circle or rectangle, the middle part of described cylindrical shell is provided with feed port, described secondary charger is communicated with described stock distributor by this feed port, the bottom of described stock distributor is provided with discharge hole, and described stock distributor is connected with described falling liquid film cracking reactor with bend pipe by high temperature valve, high temperature metering pump.
Falling liquid film cracking reactor in this integrated form dechlorination falling liquid film cracker comprises body of heater, scraper combination is arranged in this body of heater, the 3rd step-down gear drives described scraper combination to rotate, in described body of heater, be also provided with three groups of ultrasonic frequency coils from top to bottom, described upper of furnace body is provided with catalytic reforming district, described body of heater below is provided with high temperature valve and bottom discharge machine, and described falling liquid film cracking reactor is connected with described carbon black treater by this bottom discharge machine.
Scraper combination in this integrated form dechlorination falling liquid film cracker comprises scraper and pedestal, and described scraper and described pedestal are connected through the hinge, and described scraper is close to the internal surface of described body of heater.
Carbon black treater in this integrated form dechlorination falling liquid film cracker comprises stirring and high temperature plunger valve, the 4th step-down gear drives this stirring to rotate, described stirring comprises stir shaft, and this stir shaft is fixedly connected with scattering plate with blade holder, and scraper plate and described blade holder are connected through the hinge.
Carbon dust water cooler in this integrated form dechlorination falling liquid film cracker comprises spiral discharging machine and air duct, and described spiral discharging machine is provided with radiator element, and air duct is connected with described holding tank.
The integrated form dechlorination falling liquid film cracker that has adopted this structure, this device has strong adaptability, not only to plastic waste (PE, PP, PS), residual oil, used oil cracking completely, and also can innoxious cracking processing to chloride polyvinyl chloride.Especially also have processing power large, speed of response is fast, and 100% effectively transforms, and equipment barrel is not tied carbon, and non-secondary pollution such as can produce at the advantage throughout the year continuously.Scale can be from 6 ton per days to 30 ton per days, and the actual tonnage that overcomes current both at home and abroad Treatment of Waste Plastics equipment is little, and reaction time is long, and scission reaction is incomplete, and end product be all the carbonizing matter of thickness, and knot carbon is serious, clear up difficult and cause the shortcoming of secondary pollution.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of embodiment mono-of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is A-A sectional view of Fig. 1.
Fig. 4 is B-B sectional view of Fig. 1.
Fig. 5 is C-C sectional view of Fig. 1.
Fig. 6 is the structure sectional view of embodiment bis-of the present utility model.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is A-A sectional view of Fig. 6.
Fig. 9 is C-C sectional view of Fig. 6.
Figure 10 is B-B sectional view of Fig. 6.
Figure 11 is that the scraper of falling liquid film cracking reactor is with hinging manner and pedestal connection diagram.
Figure 12 is that carbon black treater scraper plate is with hinging manner and pedestal connection diagram.
Embodiment
In order more clearly to understand technology contents of the present utility model, especially exemplified by following examples, describe in detail.
This integrated form dechlorination falling liquid film cracker, comprise feed bin 1, dechlorination groove 4, stock distributor 6 and falling liquid film cracking reactor 11, feed bin 1 is connected with dechlorination groove 4 by one-level charger 3, dechlorination groove 4 is connected with stock distributor 6 by secondary charger 5, stock distributor 6 is connected with at least one falling liquid film cracking reactor 11, the top of falling liquid film cracking reactor 11 is provided with oil gas collection device 20, the bottom of this falling liquid film cracking reactor 11 is provided with carbon black treater 15, and carbon black treater 15 is connected with holding tank 23 by carbon dust water cooler 19.
In feed bin 1, be provided with blanking and stir 2, this blanking is stirred 2 and is comprised stir shaft, and the 5th step-down gear drives stir shaft 2 to rotate, and rectangular paddle is fixedly installed on the top of stir shaft, and screw-blade is arranged at the bottom of stir shaft.
One-level charger 3 comprises barrel, in this barrel, is provided with screw rod, and the first step-down gear drives bolt rotary, and the outer wall permanent sleeve of barrel is provided with plural groups electric heating cover.
The top of dechlorination groove 4 offers venting hole, and the middle part of this dechlorination groove is provided with feed port, and one-level charger 3 is communicated with dechlorination groove 4 by this feed port, and heating jacket permanent sleeve is located at outside dechlorination groove 4.
Secondary charger 5 comprises barrel, in this barrel, is provided with screw rod, and the second step-down gear drives bolt rotary, and the outer wall permanent sleeve of barrel is provided with plural groups electric heating cover.
Falling liquid film cracking reactor 11 comprises body of heater, scraper combination 12 is arranged in this body of heater, the 3rd step-down gear 10 drives scraper combination 12 to rotate, in body of heater, be also provided with three groups of ultrasonic frequency coils from top to bottom, upper of furnace body is provided with catalytic reforming district, body of heater below is provided with high temperature valve 13 and bottom discharge machine 14, and falling liquid film cracking reactor 11 is connected with carbon black treater 15 by this bottom discharge machine 14.
Carbon black treater 15 comprises that stirring 22 and high temperature plunger valve 18, the four step-down gears 16 drive these stirrings 22 to rotate, and stirs 22 and comprises stir shaft, and this stir shaft is fixedly connected with scattering plate with blade holder, and scraper plate and blade holder are connected through the hinge.
Carbon dust water cooler 19 comprises spiral discharging machine 17 and air duct, and described spiral discharging machine 17 is provided with radiator element, and air duct is connected with holding tank 23.
Embodiment mono-:
As shown in Figure 1 and Figure 2, this device comprises feed bin 1, and blanking stirs 2, one-level charger 3, dechlorination groove 4, secondary charger 5, stock distributor 6, oil gas collection device 20, five falling liquid film cracking reactors 11, bottom discharge machine 14, carbon black treater 15, carbon dust water cooler 19, holding tank 23.
As shown in Figure 1, feed bin 1 is conical feed bin 1, blanking is inside housed and stirs 2, blanking is stirred 2 and is comprised of the 5th step-down gear, screw-blade and rectangular paddle group and stir shaft, multiple rectangular paddle successively and screw-blade and stir shaft are fixed from top to bottom, in blanking, stir 2 while rotating like this, plastic flakes can arch camber, plastic flakes is pressed into one-level charger 3 smoothly simultaneously.
As shown in Figure 1, one-level charger 3 is comprised of the first step-down gear, barrel, screw rod and 3 groups of electric heating covers, electric mantle outside barrel is used for heating the plastic flakes of one-level charger 3 the insides, when the bolt rotary of one-level charger 3, plastic flakes moves forward on one side, heated fusing on one side, heats up, when the waste PVC fragment of fusing is heated to 200 ℃ of dechlorination temperature, polyvinyl chloride in molten plastic fragment is divested chlorion and generates hydrogenchloride, then enters dechlorination groove 4.Dechlorination groove 4 is circular cylindrical shells, the middle part of dechlorination groove 4 has feed port and is connected with one-level charger 3, bottom has discharge hole and is connected with secondary charger 5, top has venting hole, dechlorination groove 4 barrel walls are provided with electric heating cover outward, 200 ℃ of temperature that make the dechlorination of the interior maintenance polyvinyl chloride of dechlorination groove 4, under vacuum condition, the hydrogenchloride in dechlorination groove 4 is extracted out rapidly from venting hole.The melting plastic waste of dechlorination groove 4 interior dehydrochlorinations enters secondary charger 5 from dechlorination groove 4 bottom discharge holes, secondary charger 5 is comprised of the second step-down gear, screw rod, barrel and 3 groups of electric heating covers, during bolt rotary, the plastics of melting move forward on one side, continue 360 ℃ of the heated feeding temperatures that is warmed up to requirement on one side.
As shown in Figure 1, Figure 3, stock distributor 6 is by a circular cylinder body, being contained in a circular discs of cylindrical shell central authorities, five high temperature valves 7, five high temperature metering pumps 8 and five bend pipes 9 forms, the middle part of the cylindrical shell of stock distributor 6 has a feed port and is connected with dechlorination groove 4 by secondary charger 5, stock distributor 6 is discharged five discharge holes that respectively material had from divider 6 bottoms through circular discs from the molten plastic of secondary charger 5, through high temperature valve 7, high temperature metering pump 8 and bend pipe 9, enters five falling liquid film cracking reactors 11.
As shown in Figure 1, Figure 2, Figure 5, falling liquid film cracking reactor unit is combined by circumferential arrangement by five falling liquid film cracking reactors 11, scraper combination 12, high temperature valve 13, bottom discharge machine 14 and stay-warm case 21 that each falling liquid film cracking reactor 11 is driven by body of heater, ultrasonic frequency coil, the 3rd step-down gear 10 form, upper of furnace body is catalytic reforming district, catalytic reforming district is conversion zone below, and furnace diameter is 630mm.
As shown in Figure 1, shown in Figure 11, scraper combination 12 is comprised of pedestal, distribution plate, centrifugal throwing disc, discharge port plate and scraper, it is on pedestal, be fixedly connected sequentially from top to down distribution plate, centrifugal throwing disc, centrifugal throwing disc and discharge port plate, and scraper is connected with pedestal with hinging manner.When scraper combination 12 rotation, under the effect of scraper at centrifugal force, be close to rotation with the inwall of body of heater, the molten plastic flowing downward is spread to thin film, make the plastic waste moment cracking of melting.
As shown in Figure 1, pedestal combination is provided with 2 leafing heart throwing discs, its effect is not allow high boiling material stay bottom of furnace body, oil vapour uphill process in body of heater has the oil droplet of condensation to produce, and oil droplet is centrifuged throwing disc while falling and is keeping off, and under the effect of centrifugal force, oil droplet in the centrifugal throwing disc of rotation is thrown on the barrel of body of heater, be flashed rising, pass through like this multi-layer evaporation, high boiling point oil vapour is discharged from the venting hole of upper of furnace body at once.
As shown in Figure 1, three groups of ultrasonic frequency heater coils are divided into cold zone, middle warm area and high-temperature zone from top to bottom body of heater.Make so different plastic waste carry out cracking in different temperature provinces, avoid cracking temperature too high and too low.Make carbonization more complete, carbon black is finer and smoother simultaneously.Cold zone, top temperature is 350 ℃～380 ℃, 400 ℃～450 ℃ of warm area temperature in middle part, 450 ℃～500 ℃ of high-temperature zones, bottom.
As shown in Figure 1, Figure 3, at oil gas collection device 20, by circular cylinder body, five inlet pipe and gas gathering manifold, formed.
As shown in Fig. 1, Figure 12, carbon black treater 15 is comprised of tank body, heating flue, the 4th step-down gear 16, stirring 22 and high temperature plunger valve 18.Stir and 22 by stir shaft, blade holder, scraper plate λ and scattering plate, combined, it is, is fixedly connected with blade holder and scattering plate on stir shaft from top to bottom, and scraper plate is connected with blade holder with hinging manner, and it is used for removing the high boiling material in carbon black, collection carbon black.
As Figure 1 and Figure 4, carbon dust water cooler 19 is by being with gelled spiral discharging machine 17, air duct 19 and holding tank 23 to form.With gelled spiral discharging machine 17, by step-down gear, screw rod barrel and the radiator element that is enclosed within barrel outer wall, formed.Its effect is cooling carbon black, avoids carbon black because of excess Temperature spontaneous combustion.
The technological process of specific embodiments one:
1) ultrasonic frequency heater coil group is heated into three temperature ranges the barrel of body of heater, and top is 350～380 ℃ of cold zones, and middle part is warm area in 400～450 ℃, and bottom is 450～500 ℃ of carbonizing zones.。
2) scraper that then starts each falling liquid film cracking reactor 11 combines 12 step-down gear 10, and it is rotated in the body of heater of each falling liquid film cracking reactor 11, and the rotating speed of each scraper combination 12 is much the same, and rotating speed is at 5～80 revs/min.
3) plastic waste is added to feed bin 1, plastic waste in feed bin 1 stirs under 2 effects of rotating in blanking, enter one-level charger 3, from 150 ℃, 200 ℃, 200～230 ℃ points three sections are progressively heated to after 200～230 ℃, enter dechlorination groove 4, continue heated insulation at 200～230 ℃, at one-level charger 3 end outlets and dechlorination groove 4, there is the first step scission reaction in the waste PVC (as PVC) mixing in the plastic waste after fusing and polymkeric substance, chlorine is thoroughly decomposed out, the hydrogen chloride gas generating is extracted out by vacuum from the venting port of dechlorination groove 4, the melt that has taken off hydrogenchloride enters secondary feeder 5 continuously from the discharge port of the bottom of dechlorination groove 4, continuation is from 250 ℃, 320 ℃, 365 points three sections are heated to 365 ± 10 ℃, under the pushing effect of rotating at the screw rod of secondary charger 5, melt is pressed to stock distributor 6, again successively through high temperature valve 7, high temperature metering pump 8 and bend pipe 9 enter respectively each falling liquid film cracking reactor 11, be added on rotating distribution plate, under the effect of centrifugal force, the material of fusing is thrown to the inwall of body of heater, and under the effect of gravity, spiral flowing downwards, simultaneously, scraper is close to rotation with inboard wall of furnace body under the effect of centrifugal force, the material flowing down is spread to thin film, and move down, successively through cold zone, middle warm area contacts with barrel with high-temperature zone, in differing temps region moment, there is scission reaction in different plastics, the oil gas generating rises to the catalytic reforming district of upper of furnace body, after modifying process, from the air outlet of upper of furnace body, discharge, through the inlet pipe of oil gas collection device 20, enter the cylindrical shell of oil gas collection device 20, then by the gas gathering manifold of oil gas collection device 20, discharged, through condensation, obtain fuel oil, noncondensable gas is compressed again obtains combustion gas, for dewaxing, dechlorination scission reaction and fractionation are used.The carbon black generating is under the scraper effect of rotation, along the inwall of body of heater, be moved down into bottom, the carbon black that arrives bottom also contains a small amount of high boiling material, under the discharge port plate effect of bottom rotation, carbon black is discharged from lower portion of furnace body discharge gate, through high temperature valve 13 and bottom discharge machine 14, the carbon black of bottom is transported to the carbon black treater 15 of falling liquid film cracking reactor 11 bottoms, carbon black powder is under the acting in conjunction of scattering plate and scraper plate, thick carbon black constantly falls again from tank base central mobile to barrel and along barrel moves up certain altitude, constantly circulation, by the heating to tank body, barrel temperature is 450 ± 10 ℃, remove the high boiling material of thick carbon black, obtain dry carbon black powder, dry carbon black powder is discharged from the relief outlet of tank body lower part, , through high temperature plunger valve 18, enter carbon dust water cooler 19, under the screw rod of carbon dust water cooler 19 and the acting in conjunction of barrel inwall, scorching hot carbon black powder constantly moves forward, the cold wind that blower fan blows out, enter the blast inlet of ventilating duct, through the radiator element on barrel outer wall, hot blast is discharged from ventilating duct, the temperature of carbon black powder is down to below 200 ℃, avoid carbon black powder spontaneous combustion, carbon black powder after being cooled enters holding tank 23.
Embodiment bis-:
As shown in Figure 6, Figure 7, a kind of integrated form dechlorination falling liquid film cracker of the present utility model, comprises feed bin 1, and blanking stirs 2, one-level charger 3, dechlorination groove 4, secondary charger 5, material distributes 6, oil gas collection device 20, six falling liquid film cracking reactors 11, carbon black treater 14, carbon dust water cooler 16, holding tank 23.
As shown in Figure 6, feed bin 1 is conical feed bin, blanking is inside housed and stirs 2, blanking is stirred 2 and is comprised of the 5th step-down gear, screw-blade and rectangular paddle group and stir shaft, it is, on stir shaft, fix successively from top to bottom multiple rectangular paddle and a screw-blade, screw-blade is fixed on the bottom of stir shaft.In blanking, stir 2 while rotating like this, plastic flakes can arch camber, plastic flakes is pressed to people's charger smoothly simultaneously.
As shown in Figure 6, one-level charger 3 is comprised of the first step-down gear, barrel, screw rod and 3 groups of electric heating covers, electric mantle outside barrel is used for heating the plastic flakes of one-level charger 3 the insides, when the bolt rotary of one-level charger 3, plastic flakes moves forward on one side, heated fusing on one side, heats up, when 200 ℃ of the heated dechlorination temperature of waste PVC fragment of fusing, polyvinyl chloride in molten plastic fragment is divested chlorion and generates hydrogenchloride, then enters dechlorination groove 4.Dechlorination groove 4 is circular cylindrical shells, the middle part of dechlorination groove 4 has feed port and is connected with one-level charger 3, bottom has discharge hole and is connected with secondary charger 5, top has venting hole, dechlorination groove 4 barrel walls are provided with electric heating cover outward, 200 ℃ of temperature that make the dechlorination of the interior maintenance polyvinyl chloride of dechlorination groove 4, under vacuum condition, the hydrogenchloride in dechlorination groove 4 is extracted out rapidly from venting hole.The melting plastic waste of dechlorination groove 4 interior dehydrochlorinations enters secondary charger 5 from dechlorination groove 4 bottom discharge holes, secondary charger 5 is by the second step-down gear, screw rod, barrel and organize electric heating cover more and form, during bolt rotary, the plastics of melting move forward on one side, continue 360 ℃ of the heated feeding temperatures that is warmed up to requirement on one side.
As shown in Figure 6, Figure 7, stock distributor 6 is comprised of a rectangle cylindrical shell, a rectangular disk m who is contained in cylindrical shell central authorities, six high temperature valves 7, six high temperature metering pumps 8 and six bend pipes 9, the cylindrical shell middle part of stock distributor 6 has a feed port and is connected with dechlorination groove 4 by secondary charger 5, stock distributor 6 is discharged six discharge holes that respectively material had from divider 6 bottoms through rectangular disk from the molten plastic of secondary charger 5, through high temperature valve 7, volume pump 8 and and bend pipe 9 enter six falling liquid film cracking reactors 11.
As shown in Fig. 6, Fig. 7, Fig. 9, falling liquid film cracking reactor unit is combined by arranged by six falling liquid film cracking reactors 11, scraper combination 12, high temperature valve 13, bottom discharge machine 14 and stay-warm case 21 that each falling liquid film cracking reactor 11 is driven by body of heater, ultrasonic frequency coil, the 3rd step-down gear 10 form, upper of furnace body is catalytic reforming district, catalytic reforming district is conversion zone below, and furnace diameter is 630mm.
As shown in Fig. 6, Figure 11, scraper combination 12 is comprised of pedestal, distribution plate, centrifugal throwing disc, discharge port plate and scraper, it is on pedestal, be fixedly connected sequentially from top to down distribution plate, centrifugal throwing disc, centrifugal throwing disc and discharge port plate, and scraper is connected with pedestal with hinging manner.When scraper combination 12 rotation, under the effect of scraper at centrifugal force, be close to rotation with the inwall of body of heater, the molten plastic flowing downward is spread to thin film, make the plastic waste moment cracking of melting.
As shown in Figure 6, pedestal combination is provided with 2 leafing heart throwing discs, its effect is not allow high boiling material stay bottom of furnace body, oil vapour uphill process in body of heater has the oil droplet of condensation to produce, and oil droplet is centrifuged throwing disc while falling and is keeping off, and under the effect of centrifugal force, oil droplet in the centrifugal throwing disc of rotation is thrown on the barrel of body of heater, be flashed rising, pass through like this multi-layer evaporation, high boiling point oil vapour is discharged from the venting hole of upper of furnace body at once.
As shown in Figure 6, three groups of ultrasonic frequency heater coils are divided into cold zone, middle warm area and high-temperature zone from top to bottom body of heater.Make so different plastic waste carry out cracking in different temperature provinces, avoid cracking temperature too high and too low.Make carbonization more complete, carbon black is finer and smoother simultaneously.Cold zone, top temperature is 350 ℃～380 ℃, 400 ℃～450 ℃ of warm area temperature in middle part, 450 ℃～500 ℃ of high-temperature zones, bottom.
As shown in Fig. 6, Fig. 8, at oil gas collection device 20, by rectangle cylindrical shell, six inlet pipe and gas gathering manifold, formed.
As shown in Fig. 6, Figure 12, carbon black treater 15 is comprised of tank body, heating flue, step-down gear 16, stirring 22 and high temperature plunger valve 18.Stir 22 and combined by stir shaft, blade holder, scraper plate and scattering plate, be fixedly connected with blade holder and scattering plate on stir shaft from top to bottom, scraper plate is connected with blade holder with hinging manner, and it is used for removing the high boiling material in carbon black, collects carbon black.
As shown in Fig. 6, Figure 10, carbon dust water cooler 19 is by being with gelled spiral discharging machine 17, air duct and holding tank 23 to form.With gelled spiral discharging machine 17, by step-down gear, screw rod, barrel and the radiator element that is enclosed within barrel outer wall, formed.Its effect is cooling carbon black, avoids carbon black because of excess Temperature spontaneous combustion.
The technological process of embodiment bis-is identical with embodiment mono-.
The integrated form dechlorination falling liquid film cracker that has adopted this structure, this device has strong adaptability, not only to plastic waste (PE, PP, PS), residual oil, used oil cracking completely, and also can innoxious cracking processing to chloride polyvinyl chloride.Especially also have processing power large, speed of response is fast, and 100% effectively transforms, and equipment barrel is not tied carbon, and non-secondary pollution such as can produce at the advantage throughout the year continuously.Scale can be from 6 ton per days to 30 ton per days, and the actual tonnage that overcomes current both at home and abroad Treatment of Waste Plastics equipment is little, and reaction time is long, and scission reaction is incomplete, and end product be all the carbonizing matter of thickness, and knot carbon is serious, clear up difficult and cause the shortcoming of secondary pollution.
In this specification sheets, the utility model is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification sheets and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. an integrated form dechlorination falling liquid film cracker, it is characterized in that, comprise feed bin (1), dechlorination groove (4), stock distributor (6) and falling liquid film cracking reactor (11), described feed bin (1) is connected with described dechlorination groove (4) by one-level charger (3), described dechlorination groove (4) is connected with described stock distributor (6) by secondary charger (5), described stock distributor (6) is connected with the falling liquid film cracking reactor (11) described at least one, the top of described falling liquid film cracking reactor (11) is provided with oil gas collection device (20), the bottom of this falling liquid film cracking reactor (11) is provided with carbon black treater (15), described carbon black treater (15) is connected with holding tank (23) by carbon dust water cooler (19).
2. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, in described feed bin (1), be provided with blanking and stir (2), this blanking is stirred (2) and is comprised stir shaft, the 5th step-down gear drives described stir shaft to rotate, rectangular paddle is fixedly installed on the top of described stir shaft, and screw-blade is arranged at the bottom of described stir shaft.
3. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, described one-level charger (3) comprises barrel, in this barrel, is provided with screw rod, the first step-down gear drives described bolt rotary, and the outer wall permanent sleeve of described barrel is provided with plural groups electric heating cover.
4. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, the top of described dechlorination groove (4) offers venting hole, the middle part of this dechlorination groove is provided with feed port, described one-level charger (3) is communicated with described dechlorination groove (4) by this feed port, and electric heating cover permanent sleeve is located at outside described dechlorination groove (4).
5. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, described secondary charger (5) comprises barrel, in this barrel, is provided with screw rod, the second step-down gear drives described bolt rotary, and the outer wall permanent sleeve of described barrel is provided with plural groups electric heating cover.
6. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, described stock distributor (6) comprises the cylindrical shell of circle or rectangle, the bottom of this cylindrical shell is correspondingly provided with the dish of circle or rectangle, the middle part of described cylindrical shell is provided with feed port, described secondary charger (5) is communicated with described stock distributor (6) by this feed port, the bottom of described stock distributor (6) is provided with discharge hole, the discharge hole of described stock distributor (6) is by high temperature valve (7), high temperature metering pump (8) is connected with described falling liquid film cracking reactor (11) with bend pipe (9).
7. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, described falling liquid film cracking reactor (11) comprises body of heater, scraper combination (12) is arranged in this body of heater, the 3rd step-down gear (10) drives described scraper combination (12) to rotate, in described body of heater, be provided with three groups of ultrasonic frequency coils from top to bottom, described upper of furnace body is provided with catalytic reforming district, described body of heater below is provided with high temperature valve (13) and bottom discharge machine (14), described falling liquid film cracking reactor (11) is connected with described carbon black treater (15) by this bottom discharge machine (14).
8. integrated form dechlorination falling liquid film cracker according to claim 7, is characterized in that, described scraper combination (12) comprises scraper and pedestal, and described scraper and described pedestal are connected through the hinge, and described scraper is close to the internal surface of described body of heater.
9. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, described carbon black treater (15) comprises stirring (22) and high temperature plunger valve (18), the 4th step-down gear (16) drives this stirring (22) to rotate, described stirring (22) comprises stir shaft, this stir shaft is fixedly connected with scattering plate with blade holder, and scraper plate and described blade holder are connected through the hinge.
10. integrated form dechlorination falling liquid film cracker according to claim 1, it is characterized in that, described carbon dust water cooler (19) comprises spiral discharging machine (17) and air duct, and described spiral discharging machine (17) is provided with radiator element, and described air duct is connected with described holding tank (23).
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| CN201320775051.2U CN203582812U (en) | 2013-11-29 | 2013-11-29 | Integrated dechlorination falling-film cracking device |
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| CN201320775051.2U CN203582812U (en) | 2013-11-29 | 2013-11-29 | Integrated dechlorination falling-film cracking device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118707A (en) * | 2016-07-28 | 2016-11-16 | 徐效奇 | Waste plastics innocent treatment equipment and method |
| CN106217819A (en) * | 2016-08-31 | 2016-12-14 | 江苏汤臣新材料科技有限公司 | A kind of waste organic glass extrusion decomposing machine |
| CN110591739A (en) * | 2019-09-05 | 2019-12-20 | 商丘瑞新通用设备制造股份有限公司 | Organic solid waste cracking device for preventing coking and wall sticking |
| US11286436B2 (en) | 2019-02-04 | 2022-03-29 | Eastman Chemical Company | Feed location for gasification of plastics and solid fossil fuels |
| US11447576B2 (en) | 2019-02-04 | 2022-09-20 | Eastman Chemical Company | Cellulose ester compositions derived from recycled plastic content syngas |
| WO2023049040A1 (en) | 2021-09-21 | 2023-03-30 | Eastman Chemical Company | Direct contact of pyrolysis effluent and liquefied plastics in chemical facilities |
| CN116064066A (en) * | 2021-10-29 | 2023-05-05 | 中国石油化工股份有限公司 | Method and system for liquefying, viscosity-reducing and dechlorinating chlorine-containing waste plastics |
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2013
- 2013-11-29 CN CN201320775051.2U patent/CN203582812U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118707A (en) * | 2016-07-28 | 2016-11-16 | 徐效奇 | Waste plastics innocent treatment equipment and method |
| CN106217819A (en) * | 2016-08-31 | 2016-12-14 | 江苏汤臣新材料科技有限公司 | A kind of waste organic glass extrusion decomposing machine |
| US11802251B2 (en) | 2019-02-04 | 2023-10-31 | Eastman Chemical Company | Feed location for gasification of plastics and solid fossil fuels |
| US11939547B2 (en) | 2019-02-04 | 2024-03-26 | Eastman Chemical Company | Gasification of plastics and solid fossil fuels |
| US11286436B2 (en) | 2019-02-04 | 2022-03-29 | Eastman Chemical Company | Feed location for gasification of plastics and solid fossil fuels |
| US11312914B2 (en) | 2019-02-04 | 2022-04-26 | Eastman Chemical Company | Gasification of plastics and solid fossil fuels to produce organic compounds |
| US11370983B2 (en) | 2019-02-04 | 2022-06-28 | Eastman Chemical Company | Gasification of plastics and solid fossil fuels |
| US11447576B2 (en) | 2019-02-04 | 2022-09-20 | Eastman Chemical Company | Cellulose ester compositions derived from recycled plastic content syngas |
| US11939546B2 (en) | 2019-02-04 | 2024-03-26 | Eastman Chemical Company | Gasification of plastics and solid fossil fuels to produce organic compounds |
| CN110591739B (en) * | 2019-09-05 | 2021-04-16 | 商丘瑞新通用设备制造股份有限公司 | Organic solid waste cracking device for preventing coking and wall sticking |
| CN110591739A (en) * | 2019-09-05 | 2019-12-20 | 商丘瑞新通用设备制造股份有限公司 | Organic solid waste cracking device for preventing coking and wall sticking |
| WO2023049040A1 (en) | 2021-09-21 | 2023-03-30 | Eastman Chemical Company | Direct contact of pyrolysis effluent and liquefied plastics in chemical facilities |
| CN116064066A (en) * | 2021-10-29 | 2023-05-05 | 中国石油化工股份有限公司 | Method and system for liquefying, viscosity-reducing and dechlorinating chlorine-containing waste plastics |
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