CN104479863A - Device and method for pre-treating raw oil for production of biodiesel - Google Patents
Device and method for pre-treating raw oil for production of biodiesel Download PDFInfo
- Publication number
- CN104479863A CN104479863A CN201410754906.2A CN201410754906A CN104479863A CN 104479863 A CN104479863 A CN 104479863A CN 201410754906 A CN201410754906 A CN 201410754906A CN 104479863 A CN104479863 A CN 104479863A
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- Prior art keywords
- oil
- treatment tank
- treatment
- tank
- production
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
Abstract
The invention provides a device and method for pre-treating raw oil for the production of biodiesel. The device comprises a treatment tank, wherein an oil inlet and a material return opening are formed in the top of the treatment tank, a heating coil is arranged in the treatment tank, the other material return opening is formed in the side wall of the treatment tank, an oil outlet is formed in the lower part of the side wall of the treatment tank and is connected with a circulating pump, the circulating pump conveys materials discharged from the oil outlet from the two material return openings to the treatment tank and is used for achieving the uniform mixing of materials in the treatment tank, and a conveyance pipe is provided with with an oil outlet pipe in a branched manner and can be used for discharging refined oil products; a slag outlet is formed in the bottom of the treatment tank and is communicated with an oil separator, an overflow opening is formed in the side wall of one side of the oil separator, grease above the oil separator is pumped by an oil pump and returns the treatment tank, and sewage overflowing from the oil separator is conveyed to a sewage treatment device. According to the device and the method for pre-treating the raw oil for the production of the biodiesel, in a manner of sedimentation cleaning after circular heating, impurities and water in the raw oil are cleaned to the maximum extent, the troubles in the subsequent cleaning treatment are reduced, and the quality of the refined oil product is ensured.
Description
Technical field
The present invention relates to technical field of biodiesel preparation, specifically a kind of production of biodiesel stock oil pretreatment unit and treatment process thereof.
Background technology
Biofuel is the lipid acid mono alkyl ester obtained through transesterification reaction by animal-plant oil and methyl alcohol or ethanol, compared with traditional fossil energy, its sulphur and aromaticity content is low, flash-point is high, cetane value is high, have good oilness, can partly add in fossil diesel fuel, be a kind of eco-friendly renewable energy source.
At present, in the production process of biofuel, the stock oil usually adopted is the food Residual oil or trench wet goods purchased from restaurant.These animal-plant oil due to source environment mixed and disorderly, various, cause lubricant component complicated, impurity is more, if the production being directly used in biofuel will cause the inferior quality of finished diesel fuel, product qualified rate will be low.Therefore, to arrange and to debug the pretreatment unit of stock oil real in necessary.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of production of biodiesel stock oil pretreatment unit and treatment process thereof, it is by the mode of sedimentation removal of impurities after circulating-heating, remove the impurity in stock oil and moisture to greatest extent, decrease the trouble of follow-up removal of impurities process, ensure that the quality of processed oil.
The present invention is for solving the problems of the technologies described above, the technical scheme adopted is: a kind of production of biodiesel stock oil pretreatment unit, be provided with a treatment tank, the top of this treatment tank is provided with oil-in, drain and feedback outlet, spiral in the inside for the treatment of tank the heating coil be provided with for passing into steam, the sidewall of described treatment tank is also provided with another feedback outlet, and the below of sidewall is provided with an oil outlet, described oil outlet is connected with a recycle pump, the material that oil outlet is discharged by transport pipe by this recycle pump is delivered in treatment tank via two feedback outlets, for realizing the mixing of material in treatment tank, on described transport pipe, also branch has one for the oil outlet pipe of processed oil discharging,
The bottom of described treatment tank is provided with slag-drip opening, this slag-drip opening is communicated with by the inside of pipeline with an oil trap, the sidewall of oil trap side is provided with overflow port, the side of oil trap is also provided with the oil rig for the grease above oil trap being pumped back treatment tank, the sewage that oil trap overflows by Cemented filling in waste disposal plant.
The transport pipe that feedback outlet place on described treatment tank sidewall connects is along the inner chamber being tangentially communicated in treatment tank for the treatment of tank sidewall.
The sidewall of described treatment tank is also provided with one for limiting the overflow port of material total amount in treatment tank.
The inner vertical of described oil trap is provided with multiple dividing plate, and each dividing plate is provided with overflow port.
Described oil-in is connected with oil inlet pipe, and this oil inlet pipe is provided with the strainer for stock oil contaminant filter.
Described oil outlet pipe is arranged on the transport pipe of circulating-pump outlet end.
A pretreatment process for production of biodiesel stock oil, comprises the following steps:
Step one, deliver in treatment tank by being used for after stock oil prepared by biofuel goes out floating impurity by metre filter, need be exhausted treatment tank inside by drain while feeding, complete charging when the overflow port that treatment tank sidewall is arranged has stock oil to overflow;
Step 2, in heating coil, pass into steam, material in treatment tank is heated, start recycle pump simultaneously, material bottom treatment tank is delivered to respectively top and the middle part for the treatment of tank by transport pipe, material is circulated up and down, until stop the circulation of recycle pump and the heating of heating coil when the temperature in treatment tank rises to 90-100 DEG C, afterwards, standing sedimentation 11-14h, the grease in stock oil swims in material top, and impurity and wet-laid are bottom treatment tank;
After step 3, step 2 process, by slag-drip opening by the impurity bottom treatment tank and moisture dispatch to oil trap, after the grease taken out of during dispatch floats to oil trap top, by oil rig, grease is pumped back in treatment tank, moisture in oil trap and impurity are flowed out by the overflow port that oil trap sidewall is arranged, and by Cemented filling in waste disposal plant; The processed oil that in treatment tank, impurity and moisture are crossed in dispatch is delivered to oil outlet pipe discharging by recycle pump.
Beneficial effect:
A kind of production of biodiesel stock oil pretreatment unit of the present invention, by the mode to sedimentation removal of impurities after stock oil circulating-heating homogeneous, makes oil product farthest be purified.The impurity of its discharge can also carry out further oily water separation.Remain the useful component in stock oil to greatest extent, reduce the waste of resource.After stock oil pre-treatment, the subsequent processing steps of biofuel will without the need to carrying out filtering and impurity removing, energy-conserving and environment-protective again.The overall energy consumption of device is few, and processing efficiency is high, well ensure that the quality of refined biometric diesel oil.
Accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present invention;
Reference numeral: 1, treatment tank, 2, oil-in, 3, drain, 4, feedback outlet, 5, heating coil, 6, oil outlet, 7, recycle pump, 8, transport pipe, 9, oil outlet pipe, 10, slag-drip opening, 11, oil trap, 12, overflow port, 13, dividing plate, 14, strainer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
A kind of production of biodiesel stock oil pretreatment unit, be provided with a treatment tank 1, the top of this treatment tank 1 is provided with oil-in 2, drain 3 and feedback outlet 4, spiral in the inside for the treatment of tank 1 heating coil 5 be provided with for passing into steam, described oil-in 2 is connected with oil inlet pipe, and the strainer 14 this oil inlet pipe is provided with for stock oil contaminant filter, the sidewall of described treatment tank 1 is also provided with another feedback outlet 4, and the below of sidewall is provided with an oil outlet 6, described oil outlet 6 is connected with a recycle pump 7, the material that oil outlet 6 is discharged by transport pipe 8 by this recycle pump 7 is delivered in treatment tank 1 via two feedback outlets 4, for realizing the mixing of material in treatment tank 1, the transport pipe 8 that feedback outlet 4 place on described treatment tank 1 sidewall connects is along the inner chamber being tangentially communicated in treatment tank 1 for the treatment of tank 1 sidewall, on transport pipe 8, also branch has one for the oil outlet pipe 9 of processed oil discharging, this oil outlet pipe 9 is arranged on the transport pipe 8 of recycle pump 7 exit end, the sidewall of described treatment tank 1 is also provided with one for limiting the overflow port 12 of material total amount in treatment tank 1, this overflow port 12 is arranged on the 3/4-4/5 place for the treatment of tank 1 height,
The bottom of described treatment tank 1 is provided with slag-drip opening 10, this slag-drip opening 10 is communicated with by the inside of pipeline with an oil trap 11, the sidewall of oil trap 11 side is provided with overflow port 12, the inner vertical of described oil trap 11 is provided with multiple dividing plate 13, and each dividing plate 13 is provided with overflow port 12, the side of oil trap 11 is also provided with the oil rig for the grease above oil trap 11 being pumped back treatment tank 1, the sewage that oil trap 11 overflows by Cemented filling in waste disposal plant.
A pretreatment process for production of biodiesel stock oil, comprises the following steps:
Step one, by being used for stock oil prepared by biofuel by the filtered floating impurity rear feeding of strainer 14 in treatment tank 1, need being exhausted by drain 3 pairs for the treatment of tank 1 inside while charging, completing charging when overflow port 12 has stock oil to overflow;
Step 2, in heating coil 5, pass into steam, the material that step one completes in the treatment tank after charging 1 is heated, start recycle pump 7 simultaneously, material in treatment tank 1 is circulated up and down, until stop the circulation of recycle pump 7 and the heating of heating coil 5 when the temperature in treatment tank 1 rises to 90-100 DEG C, afterwards, standing sedimentation 11-14h, grease in stock oil swims in material top, and impurity and wet-laid are bottom treatment tank 1;
After step 3, step 2 process, by slag-drip opening 10 by the impurity bottom treatment tank 1 and moisture dispatch to oil trap 11, the grease taken out of during dispatch swims in the top of oil trap 11, and pump back in treatment tank 1 by oil rig, moisture in oil trap 11 and impurity to be overflow flow ipe by overflow port 12, and by Cemented filling in waste disposal plant; The processed oil that in treatment tank 1, impurity and moisture are crossed in dispatch is delivered to oil outlet pipe 9 discharging by recycle pump 7, for subsequent use.
A kind of production of biodiesel stock oil pretreatment unit of the present invention is when concrete production and application, and its operation steps is:
1, each valve on check processing tank, close the by-pass valve control on oil outlet and slag-drip opening, open the blow-off valve on drain, in treatment tank, stock oil is entered by strainer, strainer herein plays the effect of floating impurity in filter stock oil, close the feed valve at opening for feed place when now noticing that overflow port has oil to flow out, then the stock oil of the full prescribed volume of civilian dress in oil product treatment tank, then closes the surplus valve at overflow port place.
2, open heating coil inlet steam valve and heating is started to the material in treatment tank.
3, starting recycle pump makes the material in treatment tank circulate up and down, the transport pipe that circulating-pump outlet connects about one meter of along treatment tank wall tangential direction and below liquid level enters treatment tank inside, think that the material in treatment tank provides a tangential thrust, and under the dynamic action of recycle pump stock oil rotational flow in treatment tank, make heating evenly.
4, observe the temperature of reaction in treatment tank, when temperature in tank stops circulation to when about 95 degree, quiescent settling 12 hours, the impurity that density is larger and moisture are just deposited at the bottom of tank.
5, deslagging is started in sedimentation after 12 hours by the slag-drip opening bottom treatment tank, impurity and moisture enter oil trap, the part oil taken out of during deslagging is stopped by oil trap, moisture enters sewage disposal by overflow port, the floating oil in oil trap top squeezes into treatment tank recycling again through oil rig, and the below of slag-drip opening is also connected with transport pipe by pipeline.
6, process qualified stock oil and enter the use of next station by pump.
This device is saved energy and reduce the cost, and oil product process is clean, and the impurity of slag-drip opening discharge also can carry out oily water separation, and Oil Recovery utilization ratio is high, flexible operation, processed oil quality better.
Claims (7)
1. a production of biodiesel stock oil pretreatment unit, be provided with a treatment tank (1), it is characterized in that: the top of this treatment tank (1) is provided with oil-in (2), drain (3) and feedback outlet (4), spiral in the inside for the treatment of tank (1) heating coil (5) be provided with for passing into steam, the sidewall of described treatment tank (1) is also provided with another feedback outlet (4), and the below of sidewall is provided with an oil outlet (6), described oil outlet (6) is connected with a recycle pump (7), the material that oil outlet (6) is discharged by transport pipe (8) by this recycle pump (7) is delivered in treatment tank (1) via two feedback outlets (4), for realizing the mixing for the treatment of tank (1) interior material, there is an oil outlet pipe for processed oil discharging (9) in the upper also branch of described transport pipe (8),
The bottom of described treatment tank (1) is provided with slag-drip opening (10), this slag-drip opening (10) is communicated with by the inside of pipeline with an oil trap (11), the sidewall of oil trap (11) side is provided with overflow port, the side of oil trap (11) is also provided with the oil rig for the grease of oil trap (11) top being pumped go back to treatment tank (1), the sewage that oil trap (11) overflows by Cemented filling in waste disposal plant.
2. a kind of production of biodiesel stock oil pretreatment unit according to right 1, is characterized in that: the transport pipe (8) that feedback outlet (4) place on described treatment tank (1) sidewall connects is along the inner chamber being tangentially communicated in treatment tank (1) for the treatment of tank (1) sidewall.
3. a kind of production of biodiesel stock oil pretreatment unit according to right 1, is characterized in that: the sidewall of described treatment tank (1) is also provided with one for limiting the overflow port of the interior material total amount for the treatment of tank (1).
4. a kind of production of biodiesel stock oil pretreatment unit according to right 1, is characterized in that: the inner vertical of described oil trap (11) is provided with multiple dividing plate (13), and each dividing plate (13) is provided with overflow port.
5. a kind of production of biodiesel stock oil pretreatment unit according to right 1, is characterized in that: described oil-in (2) is connected with oil inlet pipe, and this oil inlet pipe is provided with the strainer (14) for stock oil contaminant filter.
6. a kind of production of biodiesel stock oil pretreatment unit according to right 1, is characterized in that: described oil outlet pipe (9) is arranged on the transport pipe (8) of recycle pump (7) exit end.
7. the pretreatment process of a kind of production of biodiesel stock oil according to claim 1,2,3,4,5 or 6, is characterized in that, comprise the following steps:
Step one, deliver in treatment tank (1) by being used for after stock oil prepared by biofuel filters out floating impurity by strainer (14), need be exhausted treatment tank (1) inside by drain (3) while feeding, complete charging when the overflow port that treatment tank (1) sidewall is arranged has stock oil to overflow;
Step 2, steam is passed in heating coil (5), material in treatment tank (1) is heated, start recycle pump (7) simultaneously, the material for the treatment of tank (1) bottom is delivered to respectively top and the middle part for the treatment of tank (1) by transport pipe (8), material is circulated up and down, until stop the circulation of recycle pump (7) and the heating of heating coil (5) when the temperature in treatment tank (1) rises to 90-100 DEG C, afterwards, standing sedimentation 11-14h, grease in stock oil swims in material top, impurity and wet-laid are in treatment tank (1) bottom,
After step 3, step 2 process, by slag-drip opening (10) by treatment tank (1) bottom impurity and moisture dispatch to oil trap (11), after the grease taken out of during dispatch floats to oil trap (11) top, by oil rig, grease is pumped back in treatment tank (1), moisture in oil trap (11) and impurity are flowed out by the overflow port that oil trap sidewall is arranged, and by Cemented filling in waste disposal plant; The processed oil that impurity and moisture are crossed in treatment tank (1) interior dispatch is delivered to oil outlet pipe (9) discharging by recycle pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754906.2A CN104479863B (en) | 2014-12-11 | 2014-12-11 | A kind of production of biodiesel feedstock oil pretreatment unit and its processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754906.2A CN104479863B (en) | 2014-12-11 | 2014-12-11 | A kind of production of biodiesel feedstock oil pretreatment unit and its processing method |
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| CN104479863A true CN104479863A (en) | 2015-04-01 |
| CN104479863B CN104479863B (en) | 2017-10-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10696920B2 (en) | 2016-09-30 | 2020-06-30 | Neste Oyj | Water treatment of lipid material |
| US10738264B2 (en) | 2016-09-30 | 2020-08-11 | Neste Oyj | Method for purification of animal or vegetable fats |
| CN111876265A (en) * | 2020-08-19 | 2020-11-03 | 四川金尚环保科技有限公司 | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system and method |
| US11028336B2 (en) | 2016-09-30 | 2021-06-08 | Neste Oyj | Oil purification process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964397Y (en) * | 2006-09-08 | 2007-10-24 | 北京鸿福力源生物技术开发有限公司 | Raw material pretreatment device for preparing biological diesel oil |
| CN201437535U (en) * | 2008-12-01 | 2010-04-14 | 浙江东江能源科技有限公司 | Purification device for biodiesel production |
| CN201695018U (en) * | 2010-05-28 | 2011-01-05 | 王金华 | Complete equipment utilizing waste oil to refine commercial grease |
| CN202107686U (en) * | 2011-06-09 | 2012-01-11 | 寿光市圣润化工有限公司 | Oil-water precipitation separation device |
| CN103626358A (en) * | 2013-11-21 | 2014-03-12 | 中国科学院广州能源研究所 | Method for treating biodiesel wastewater |
| CN203668339U (en) * | 2013-11-15 | 2014-06-25 | 重庆天润能源开发有限公司 | Pretreatment device for raw material of biodiesel |
-
2014
- 2014-12-11 CN CN201410754906.2A patent/CN104479863B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964397Y (en) * | 2006-09-08 | 2007-10-24 | 北京鸿福力源生物技术开发有限公司 | Raw material pretreatment device for preparing biological diesel oil |
| CN201437535U (en) * | 2008-12-01 | 2010-04-14 | 浙江东江能源科技有限公司 | Purification device for biodiesel production |
| CN201695018U (en) * | 2010-05-28 | 2011-01-05 | 王金华 | Complete equipment utilizing waste oil to refine commercial grease |
| CN202107686U (en) * | 2011-06-09 | 2012-01-11 | 寿光市圣润化工有限公司 | Oil-water precipitation separation device |
| CN203668339U (en) * | 2013-11-15 | 2014-06-25 | 重庆天润能源开发有限公司 | Pretreatment device for raw material of biodiesel |
| CN103626358A (en) * | 2013-11-21 | 2014-03-12 | 中国科学院广州能源研究所 | Method for treating biodiesel wastewater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10696920B2 (en) | 2016-09-30 | 2020-06-30 | Neste Oyj | Water treatment of lipid material |
| US10738264B2 (en) | 2016-09-30 | 2020-08-11 | Neste Oyj | Method for purification of animal or vegetable fats |
| US11028336B2 (en) | 2016-09-30 | 2021-06-08 | Neste Oyj | Oil purification process |
| CN111876265A (en) * | 2020-08-19 | 2020-11-03 | 四川金尚环保科技有限公司 | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system and method |
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| Publication number | Publication date |
|---|---|
| CN104479863B (en) | 2017-10-24 |
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Effective date of registration: 20200623 Address after: 467000 four rooms of service center in Ye County industrial cluster area, Pingdingshan City, Henan Province Patentee after: Henan Shicai Industrial Co., Ltd Address before: 467000 Pingdingshan chemical industry gathering zone, Shahe seven road, Henan, and two northeast intersection of Chuk Yuen Road Patentee before: YIXINDA BIO-ENERGY Co.,Ltd. |
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