CN102676200A - Device and method for controlling production of fuel product by thermal cracking of hydrocarbon polymer plastic - Google Patents
Device and method for controlling production of fuel product by thermal cracking of hydrocarbon polymer plastic Download PDFInfo
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- CN102676200A CN102676200A CN2012101603806A CN201210160380A CN102676200A CN 102676200 A CN102676200 A CN 102676200A CN 2012101603806 A CN2012101603806 A CN 2012101603806A CN 201210160380 A CN201210160380 A CN 201210160380A CN 102676200 A CN102676200 A CN 102676200A
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Abstract
The invention relates to a device and a method for controlling production of a fuel product by thermal cracking of hydrocarbon polymer plastic. The hydrocarbon polymer plastic is pyrolyzed first in a reaction kettle, wherein pressure of the reaction kettle is normal pressure and temperature of the of the reaction kettle is 460-650 DEG C so that the hydrocarbon polymer plastic is pyrolyzed to be in a steam state and the steam-state hydrocarbon polymer plastic product flows upwards to a fractional distillation backflow device above the reaction kettle. The hydrocarbon polymer is condensed and flows back through a temperature control condenser, wherein temperature of the temperature control condenser is set as 200-400 DEG C. Backflow liquid is distributed uniformly through a backflow uniformizing device and enters a rectifier to be rectified so as to achieve prefractionation so that a long-chain hydrocarbon polymer product with a boiling point which is grater than 200-400 DEG C is condensed and flows back to the reaction kettle and a long-chain hydrocarbon polymer product with a boiling point which is smaller than 200-400 DEG C flows into a subsequent fractionation recycling device in a slight positive pressure, and then fractionation and collection can be carried out according to the boiling points. And the processes are repeatedly recycled to control the proportion of the long-chain hydrocarbon polymer in the product.
Description
Technical field
The solid waste such as waste or used plastics that the present invention relates to the environmental protection field transform the fuel oil method, and the device and method of fuel oil goods is produced in particularly a kind of hydrocarbon superpolymer plastic hot cracking control.
Background technology
Along with the widespread use of plastics in life, the processing of plastic garbage all is very severe environmental problem for the China and even the whole world.Usually plastic garbage burns through landfill, and this dual mode is handled.Plastic garbage usually needs to go up century-old could the decomposition under field conditions (factors), in short supply day by day along with land resources, and simply landfill is a kind of unsustainable treatment process.Because high molecule plastic is difficult to by thoroughly burning, burn for example Dioxins etc. of the poisonous superpolymer that produces, can be to atmosphere, soil causes more serious secondary pollution, has a strong impact on common people's health, the processing mode of also being forbidden by most of countries and regions.
The most high pressure that adopt of the existing similar pyrolysis technologies of the overwhelming majority on the our times, the reaction process of catalyzer has increased the cost and risk of equipment cost and treating processes; Generally between 60% ~ 85%, for example Chinese patent CN200410041527.5 discloses the process method that a kind of cracking waste plastics is produced fuel oil to the transformation efficiency of most of similar techniques; Catalyzer is used in this invention in reaction process, have catalyst aging, changes the Treatment Technology problem; Cause the production technique oil yield that utilizes this invention to be merely 60% ~ 85%, the waste residue that the decline of oil yield must cause producing increases, and the waste residue processing cost increases greatly; The composition structure proportion that the most important thing is the goods that the reaction of this invention generates can not be controlled, and it is unstable to produce the raw-material component of usefulness, and that causes product goes out the uncontrollable system of oil quality; The fuel oil goods of producing that go out can not carry out the ratio adjustment according to the market requirement; Range of application is less, can not well adapt to the demand in market, haves much room for improvement.
Summary of the invention
The present invention is directed to prior art problems; Provide that a kind of conversion rate of products is high, waste residue is few, do not contain catalyzer, equipment is simple, and made each ratio of fuel oil goods can produce the device and method of fuel oil goods according to the freely regulated hydrocarbon superpolymer plastic hot cracking control of market demand.
The present invention is for solving the problems of the technologies described above; Provide a kind of hydrocarbon superpolymer plastic hot cracking control to produce the device of fuel oil goods; Comprise reaction kettle, fractionator device; It is characterized in that the fractionator device is arranged at the reaction kettle top, be laid with rectifier, backflow uniform device, temperature control condensing surface in the cylindrical shell of said fractionator device from the bottom up successively at interval.
As further improvement of the present invention; Reaction kettle and fractionator device through flange seal be connected through reaction kettle is set, the fractionator device is a split-type structural; Reaction kettle top and fractionator device bottom are through being provided with flange; Interfixing is tightly connected, effectively the mounting height of opertaing device and the transport difficulty of equipment.
The method that the fuel oil goods are produced in a kind of hydrocarbon superpolymer plastic hot cracking control; Hydrocarbon superpolymer plastics are prior to carrying out pyrolysis in the reaction kettle, the pressure in the reaction kettle is that normal pressure, temperature are 460 ℃ ~ 650 ℃, and making its pyrolysis is steam condition; It is characterized in that being advanced on the hydrocarbon superpolymer plastics of steam condition the fractionator device of reaction kettle top; Hydrocarbon superpolymer refluxes through the temperature control condenser condenses, and the temperature control condenser temperature is set to 200 ℃-400 ℃, and phegma is uniformly distributed with through the backflow uniform device of below; Get into the initial gross separation of rectifier rectifying realization product; Make boiling point to reaction kettle, carry out cracking once more greater than 200 ℃-400 ℃ the hydrocarbon superpolymer goods of long-chain condensing reflux, boiling point is lower than the fractionation retrieving arrangement that 200 ℃-400 ℃ hydrocarbon superpolymer goods of long-chain flow into postorder, press boiling point and continues the fractionation collection; Above process circulates repeatedly, controls the ratio of the hydrocarbon superpolymer of long-chain in the fuel oil goods thus.
As of the present invention further preferred; When the temperature control condenser temperature was 200 ℃-400 ℃, the gaseous product mass percent was 6% ~ 56% in the goods, and type gasoline product quality per-cent is 14% ~ 20%; Class diesel product mass percent is 23% ~ 60%, type heavy oil product mass percent 1% ~ 42%.
As of the present invention further preferred, hydrocarbon superpolymer plastics are the hydrocarbon superpolymer that straight chain does not contain phenyl ring.
As of the present invention further preferred, the hydrocarbon superpolymer that straight chain does not contain phenyl ring is Vilaterm or Vestolen PP 7052 or polyphenyl propylene.
The present invention is through being provided with the fractionator device on the reaction kettle top; And through regulating the ratio of the hydrocarbon superpolymer of long-chain in the temperature control condenser temperature control fuel oil goods; Improved the transformation efficiency of product greatly; And make each ratio of fuel oil goods enlarge the range of application of equipment greatly according to the market demand free adjustment.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment 1: the device of fuel oil goods is produced in hydrocarbon superpolymer plastic hot cracking control; Comprise reaction kettle 1, fractionator device 2; Fractionator device 2 is arranged at reaction kettle 1 top; Be laid with rectifier 21, backflow uniform device 22, temperature control condensing surface 23 in the cylindrical shell of said fractionator device 2 from the bottom up successively at interval, reaction kettle 1 is tightly connected through flange 3 with fractionator device 2.
Embodiment 2: the method that the fuel oil goods are produced in hydrocarbon superpolymer plastic hot cracking control; Hydrocarbon superpolymer plastics are prior to carrying out pyrolysis in the reaction kettle, the pressure in the reaction kettle is that normal pressure, temperature are 460 ℃ ~ 650 ℃, and making its pyrolysis is steam condition; Be advanced into the fractionator device of reaction kettle top on the hydrocarbon superpolymer plastics of steam condition; Hydrocarbon superpolymer refluxes through the temperature control condenser condenses, and the temperature control condenser temperature is set to 200 ℃-400 ℃, and phegma is uniformly distributed with through the backflow uniform device of below; Get into the initial gross separation of rectifier rectifying realization product; Make boiling point to reaction kettle, carry out cracking once more greater than 200 ℃-400 ℃ the hydrocarbon superpolymer goods of long-chain condensing reflux, boiling point is lower than the fractionation retrieving arrangement that 200 ℃-400 ℃ hydrocarbon superpolymer goods of long-chain flow into postorder, press boiling point and continues the fractionation collection; Above process circulates repeatedly, controls the ratio of the hydrocarbon superpolymer of long-chain in the fuel oil goods thus.
When the temperature control condenser temperature was 200 ℃, the gaseous product mass percent was 56% in the goods, and type gasoline product quality per-cent is 20%, and a type diesel product mass percent is 23%, type heavy oil product mass percent＜1%.
Hydrocarbon superpolymer plastics are the hydrocarbon superpolymer that straight chain does not contain phenyl ring; The hydrocarbon superpolymer that straight chain does not contain phenyl ring is Vilaterm or Vestolen PP 7052 or polyphenyl propylene; The hydrocarbon superpolymer that straight chain does not contain phenyl ring has fabulous effect, for example high and low density polyethylene, Vestolen PP 7052 etc.; Reason is in containing the cracking process of phenyl ring; Mainly be to utilize to contain phenyl ring side chain functional group in the polyphenyl propylene in the practical application and since this kind product first the cracked main products be the hydrocarbon superpolymer of lower boiling, so the secondary back cracking technology is less to the said material influence.
Embodiment 3: with reference to embodiment 2, when the temperature control condenser temperature was 300 ℃, the gaseous product mass percent was 18% in the goods, and type gasoline product quality per-cent is 15%, and a type diesel product mass percent is 60%, type heavy oil product mass percent 6%.
Embodiment 4: with reference to embodiment 2, when the temperature control condenser temperature was 400 ℃, the gaseous product mass percent was 6%, and type gasoline product quality per-cent is 14%, and a type diesel product mass percent is 38%, type heavy oil product mass percent 42%.
Experimental data is following:
Claims (6)
1. the device of fuel oil goods is produced in hydrocarbon superpolymer plastic hot cracking control; Comprise reaction kettle, fractionator device; It is characterized in that the fractionator device is arranged at the reaction kettle top, be laid with rectifier, backflow uniform device, temperature control condensing surface in the cylindrical shell of said fractionator device from the bottom up successively at interval.
2. the device of fuel oil goods is produced in hydrocarbon superpolymer plastic hot cracking control according to claim 1, it is characterized in that reaction kettle is connected through flange seal with the fractionator device.
3. the method that the fuel oil goods are produced in hydrocarbon superpolymer plastic hot cracking control according to claim 1; Hydrocarbon superpolymer plastics are prior to carrying out pyrolysis in the reaction kettle, the pressure in the reaction kettle is that normal pressure, temperature are 460 ℃ ~ 650 ℃, and making its pyrolysis is steam condition; It is characterized in that being advanced on the hydrocarbon superpolymer plastics of steam condition the fractionator device of reaction kettle top; Hydrocarbon superpolymer refluxes through the temperature control condenser condenses, and the temperature control condenser temperature is set to 200 ℃-400 ℃, and phegma is uniformly distributed with through the backflow uniform device of below; Get into the initial gross separation of rectifier rectifying realization product; Make boiling point to reaction kettle, carry out cracking once more greater than 200 ℃-400 ℃ the hydrocarbon superpolymer goods of long-chain condensing reflux, boiling point is lower than the fractionation retrieving arrangement that 200 ℃-400 ℃ hydrocarbon superpolymer goods of long-chain flow into postorder, press boiling point and continues the fractionation collection; Above process circulates repeatedly, controls the ratio of the hydrocarbon superpolymer of long-chain in the goods thus.
4. hydrocarbon superpolymer plastics thermo-cracking finished product control method according to claim 3; It is characterized in that when the temperature control condenser temperature is 200 ℃-400 ℃; The gaseous product mass percent is 6% ~ 56% in the goods; Class gasoline product quality per-cent is 14% ~ 20%, and a type diesel product mass percent is 23% ~ 60%, type heavy oil product mass percent 1% ~ 42%.
5. hydrocarbon superpolymer plastics thermo-cracking finished product control method according to claim 2 is characterized in that hydrocarbon superpolymer plastics are the hydrocarbon superpolymer that straight chain does not contain phenyl ring.
6. hydrocarbon superpolymer plastics thermo-cracking finished product control method according to claim 2 is characterized in that the hydrocarbon superpolymer that straight chain does not contain phenyl ring is Vilaterm or Vestolen PP 7052 or polyphenyl propylene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101603806A CN102676200A (en) | 2012-05-23 | 2012-05-23 | Device and method for controlling production of fuel product by thermal cracking of hydrocarbon polymer plastic |
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| CN2012101603806A CN102676200A (en) | 2012-05-23 | 2012-05-23 | Device and method for controlling production of fuel product by thermal cracking of hydrocarbon polymer plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486314A (en) * | 2017-09-26 | 2017-12-19 | 北京工业大学 | Garbage as resource Processing Equipment system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084546A (en) * | 1992-09-23 | 1994-03-30 | 陈太庸 | Waste plastic is changed into the method and apparatus of oil fuel |
| CN2500684Y (en) * | 2001-09-24 | 2002-07-17 | 刘向阳 | Waste plastic catalytic cracking fuel oil device |
| CN2513996Y (en) * | 2001-12-04 | 2002-10-02 | 姜皓 | Waste plastic oil refining device capable of continuously industrialized production |
| CN202595043U (en) * | 2012-05-23 | 2012-12-12 | 高峰 | Device for producing fuel products by controlling thermal cracking of hydrocarbon polymer plastics |
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2012
- 2012-05-23 CN CN2012101603806A patent/CN102676200A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084546A (en) * | 1992-09-23 | 1994-03-30 | 陈太庸 | Waste plastic is changed into the method and apparatus of oil fuel |
| CN2500684Y (en) * | 2001-09-24 | 2002-07-17 | 刘向阳 | Waste plastic catalytic cracking fuel oil device |
| CN2513996Y (en) * | 2001-12-04 | 2002-10-02 | 姜皓 | Waste plastic oil refining device capable of continuously industrialized production |
| CN202595043U (en) * | 2012-05-23 | 2012-12-12 | 高峰 | Device for producing fuel products by controlling thermal cracking of hydrocarbon polymer plastics |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486314A (en) * | 2017-09-26 | 2017-12-19 | 北京工业大学 | Garbage as resource Processing Equipment system |
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Application publication date: 20120919 |