CN104450180A - Dewaxing and degreasing process and equipment for 0-degree rice oil - Google Patents
Dewaxing and degreasing process and equipment for 0-degree rice oil Download PDFInfo
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- CN104450180A CN104450180A CN201410780555.2A CN201410780555A CN104450180A CN 104450180 A CN104450180 A CN 104450180A CN 201410780555 A CN201410780555 A CN 201410780555A CN 104450180 A CN104450180 A CN 104450180A
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- Prior art keywords
- rice oil
- diaphragm pressing
- crystallizer
- pressing filter
- crystallization
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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
Abstract
The invention belongs to the field of vegetable oil processing, and particularly relates to dewaxing and degreasing process and equipment for 0-degree rice oil. The process comprises the following processing steps: (1) preheating raw material rice oil to 36-40 DEG C, and pumping into a crystallization tank; (2) controlling the flow of a cooling medium, adjusting the crystallization and cooling speeds, cooling grease to 3-5 DEG C, and crystallizing and growing the grain at the temperature; (3) pumping the crystallized rice oil into a diaphragm pressing filter to precoat in a cycle by a charge pump, so as to form a wax-solid lipid layer; and (4) filtering the crystallized rice oil through the diaphragm pressing filter by the charge pump, so as to obtain a refined oil product. The dewaxing and degreasing process and equipment are high in stability; and the refined oil product is good in quality.
Description
Technical field
The invention belongs to vegetables oil manufacture field, relate to vegetable oil dewaxing degreasing process and an equipment, particularly a kind of 0 degree of Rice oil dewaxing degreasing process and equipment.
Background technology
Wax containing 3%-5% in Rice oil and a certain amount of solid fat, wax and solid fat there is lower temperature conditions under can reduce grease transparency, affect grease color, reduce digestibility simultaneously, gas flavour and palatability are deteriorated, then reduce eating quality and the nutritive value of grease.
Traditional Rice rice bran oil dewaxing degreasing process adopts bleached oil dewaxing, deodorised oil degreasing, i.e. degreasing twice crystallization after first dewaxing, growing the grain, filtration process, and the crystallization workshop section time is 72 hours+72 hours, is more than 2 times of the time of the present invention; The use of crystallization in motion agent and flocculating aids, causes crystallization in motion agent and flocculating aids to carry grease secretly, and reduce processed oil yield to a certain extent, processed oil yield is only 60% ~ 70%; Crystallographic is softer, is easily destroyed in filtration procedure, and easily through flame filter press filter cloth, filtration velocity is extremely slow.
Summary of the invention
The object of this invention is to provide that a kind of stability is high, the measured 0 degree of Rice oil dewaxing degreasing process of processed oil matter and equipment.
For achieving the above object, the technical solution used in the present invention is:
0 degree of Rice oil dewaxing degreasing process, comprises following processing step: (1) raw material rice oil is preheated to 36 DEG C ~ 40 DEG C, pumps into crystallizer; (2) controlled cooling model rate-of flow adjustment crystallization and speed of cooling, is cooled to 3 DEG C ~ 5 DEG C by grease, and crystallization at this temperature, growing the grain; (3) fresh feed pump by crystallization rice oil pump to diaphragm pressing filter circulation precoating, Gu formed wax-lipid layer; (4) crystallization Rice oil is carried out filtration by diaphragm pressing filter and is obtained processed oil by fresh feed pump.
Heat-eliminating medium is water coolant and refrigerated water, by the adjustment crystallization of controlled cooling model rate-of flow and speed of cooling.
Grease was cooled to 20 DEG C ~ 25 DEG C by heat-eliminating medium in 8 hours, and crystallization at this temperature, growing the grain 20 hours; Grease was cooled to 3 DEG C ~ 5 DEG C by heat-eliminating medium in 10 hours, and crystallization at this temperature, growing the grain 22 hours.
The filtration time of step (4) septation press filtering machine is 12 hours, after filter pressure reaches 0.2MPa, and diaphragm pressing filter stops oil-feed, and pass into pressurized air, its pressure-controlling is at below 0.4MPa.
Solid in diaphragm pressing filter by opening diaphragm pressing filter filter plate, Gu be discharged in the wax-fat case of diaphragm pressing filter bottom; Palmitin is blown to finished pot by pressurized air.
0 degree of Rice oil dewaxing degreasing process equipment, Gu comprise well heater, crystallizer, fresh feed pump, diaphragm pressing filter, wax-fat case and finished pot, crystallizer comprises the first crystallizer and the second crystallizer that connect successively, well heater material outlet is connected with the first crystallizer material inlet, first crystallizer material outlet connects the second crystallizer material inlet, second crystallizer material outlet is connected with diaphragm pressing filter by fresh feed pump, Gu the outlet of diaphragm pressing filter wax is connected with wax-fat case, the outlet of diaphragm pressing filter palmitin is connected with finished pot.
The outlet of diaphragm pressing filter palmitin is by with finished pot and the circulation tube connect is connected the first crystallizer material inlet, and circulation tube is provided with valve and recycle pump.
Fresh feed pump for subsequent use is provided with between second crystallizer material outlet and diaphragm pressing filter.
The present invention and tradition 0 degree Rice oil dewax compared with degreasing process, adopt disposablely to carry out dewaxing degreasing to Rice oil, without the need to adding any crystallization in motion agent and flocculating aids, and raising processed oil yield; Adopt two-part crystallization, crystalline rate is high, crystallization effect good; Crystallization, filtration time reduce, and crystallization workshop section is only 60 hours, and filtration time is 1/3 of traditional technology; Filtration area reduces, and filtration area is configured to 1/5 of traditional technology, effectively reduces factory building investment and floor space; Gu the crystal that wax-fat is formed is solid, crystal is survivable, finished product 0 degree of Rice oil steady quality, 0 degree of stand the test, and yield can reach 85% ~ 87%; In crystallization, growing the grain process, automatic controlling level is high, effectively reduces manual labor, adapts to modernization industrial development.
Accompanying drawing explanation
Fig. 1 is the structural representation of equipment used in the present invention.
Embodiment
0 degree of Rice oil dewaxing degreasing process, as shown in Figure 1, pumps into well heater 2 from the Rice oil after depickling through crystallizer fresh feed pump 1 and successively enters in the first crystallizer 3 and the second crystallizer 4 after melting completely; Crystallization, growing the grain are carried out in grease temperature adjustment in the first crystallizer 3 and the second crystallizer 4; Fresh feed pump 5 is by crystallization rice oil pump to diaphragm pressing filter 6 precoating, Gu formed after wax-lipid layer, crystallization Rice oil is carried out filtration by diaphragm pressing filter and obtained processed oil; Processed oil enters finished pot 8 at pressurized air flows by action, Gu Gu wax-fat relies on action of gravity to be discharged into wax-fat case 7.
Heat-eliminating medium is water coolant and refrigerated water, by the adjustment crystallization of controlled cooling model rate-of flow and speed of cooling.
Grease was cooled to 20 DEG C ~ 25 DEG C by heat-eliminating medium in 8 hours, and crystallization at this temperature, growing the grain 20 hours; Grease was cooled to 3 DEG C ~ 5 DEG C by heat-eliminating medium in 10 hours, and crystallization at this temperature, growing the grain 22 hours.
The filtration time of step (4) septation press filtering machine 6 is 12 hours, after filter pressure reaches 0.2MPa, and diaphragm pressing filter 6 stops oil-feed, passes into pressurized air, and its pressure-controlling is at below 0.4MPa.
Solid in diaphragm pressing filter 6 by opening diaphragm pressing filter 6 filter plate, Gu be discharged in the wax-fat case 7 of diaphragm pressing filter 6 bottom; Palmitin blows to finished pot 8 by pressurized air, and compressed air inlet is 6-4, and compressed air outlet is 6-5.
0 degree of Rice oil dewaxing degreasing process equipment, as shown in Figure 1, comprise crystallizer fresh feed pump 1, well heater 2, crystallizer, fresh feed pump 5, diaphragm pressing filter 6, Gu wax-fat case 7 and finished pot 8, crystallizer comprises the first crystallizer 3 and the second crystallizer 4 connected successively, well heater 2 material outlet 2-2 is connected with the first crystallizer material inlet 3-1, first crystallizer material outlet 3-2 connects the second crystallizer material inlet 4-1, second crystallizer material outlet 4-2 is connected with diaphragm pressing filter 6 by fresh feed pump 5, Gu diaphragm pressing filter wax outlet 6-2 is connected with wax-fat case 7, diaphragm pressing filter palmitin outlet 6-3 is connected with finished pot 8 grease import 8-1, used by time variable control, finished pot grease outlets 8-2 is communicated with outdoor finished pot, diaphragm pressing filter 6 palmitin outlet 6-3 is by with finished pot 8 and the circulation tube 9 connect is connected the first crystallizer material inlet 3-1, and circulation tube 9 is provided with valve and recycle pump 10, fresh feed pump 11 for subsequent use is provided with between second crystallizer material outlet 4-2 and diaphragm pressing filter 6.
Claims (8)
1.0 degree of Rice oil dewaxing degreasing process, is characterized in that, comprise following processing step: (1) raw material rice oil is preheated to 36 DEG C ~ 40 DEG C, pumps into crystallizer; (2) controlled cooling model rate-of flow adjustment crystallization and speed of cooling, is cooled to 3 DEG C ~ 5 DEG C by grease, and crystallization at this temperature, growing the grain; (3) fresh feed pump by crystallization rice oil pump to diaphragm pressing filter circulation precoating, Gu formed wax-lipid layer; (4) crystallization Rice oil is carried out filtration by diaphragm pressing filter and is obtained processed oil by fresh feed pump.
2. 0 degree of Rice oil dewaxing degreasing process as claimed in claim 1, it is characterized in that, described heat-eliminating medium is water coolant and refrigerated water, by the adjustment crystallization of controlled cooling model rate-of flow and speed of cooling.
3. 0 degree of Rice oil dewaxing degreasing process as claimed in claim 1 or 2, it is characterized in that, grease was cooled to 20 DEG C ~ 25 DEG C by described heat-eliminating medium in 8 hours, and crystallization at this temperature, growing the grain 20 hours; Grease was cooled to 3 DEG C ~ 5 DEG C by heat-eliminating medium in 10 hours, and crystallization at this temperature, growing the grain 22 hours.
4. 0 degree of Rice oil dewaxing degreasing process as claimed in claim 1, it is characterized in that, the filtration time of described step (4) septation press filtering machine is 12 hours, after filter pressure reaches 0.2MPa, diaphragm pressing filter stops oil-feed, pass into pressurized air, its pressure-controlling is at below 0.4MPa.
5. the 0 degree of Rice oil dewaxing degreasing process as described in claim 1 or 2 or 4, is characterized in that, the solid in described diaphragm pressing filter by opening diaphragm pressing filter filter plate, Gu be discharged in the wax-fat case of diaphragm pressing filter bottom; Palmitin is blown to finished pot by pressurized air.
6. 0 degree of Rice oil dewaxing degreasing process equipment as claimed in claim 1, comprise well heater, crystallizer, fresh feed pump, diaphragm pressing filter, Gu wax-fat case and finished pot, it is characterized in that, described crystallizer comprises the first crystallizer and the second crystallizer that connect successively, well heater material outlet is connected with the first crystallizer material inlet, first crystallizer material outlet connects the second crystallizer material inlet, second crystallizer material outlet is connected with diaphragm pressing filter by fresh feed pump, Gu the outlet of diaphragm pressing filter wax is connected with wax-fat case, the outlet of diaphragm pressing filter palmitin is connected with finished pot.
7. 0 degree of Rice oil dewaxing degreasing process equipment as claimed in claim 6, it is characterized in that, the outlet of described diaphragm pressing filter palmitin is by with finished pot and the circulation tube connect is connected the first crystallizer material inlet, and described circulation tube is provided with valve and recycle pump.
8. 0 degree of Rice oil dewaxing degreasing process equipment as claimed in claims 6 or 7, is characterized in that, be provided with fresh feed pump for subsequent use between described second crystallizer material outlet and diaphragm pressing filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780555.2A CN104450180A (en) | 2014-03-07 | 2014-12-17 | Dewaxing and degreasing process and equipment for 0-degree rice oil |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014100822631 | 2014-03-07 | ||
| CN201410082263 | 2014-03-07 | ||
| CN201410780555.2A CN104450180A (en) | 2014-03-07 | 2014-12-17 | Dewaxing and degreasing process and equipment for 0-degree rice oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104450180A true CN104450180A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410780555.2A Pending CN104450180A (en) | 2014-03-07 | 2014-12-17 | Dewaxing and degreasing process and equipment for 0-degree rice oil |
| CN201420798776.8U Active CN204311046U (en) | 2014-03-07 | 2014-12-17 | 0 degree of Rice oil dewaxing skimming equipment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420798776.8U Active CN204311046U (en) | 2014-03-07 | 2014-12-17 | 0 degree of Rice oil dewaxing skimming equipment |
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| CN (2) | CN104450180A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524712A (en) * | 2015-09-23 | 2016-04-27 | 湖北元大粮油科技有限公司 | Rapeseed oil degreasing device and technology |
| CN107881008A (en) * | 2017-12-14 | 2018-04-06 | 王伟 | A kind of Rice oil crystallization apparatus |
| CN108219923A (en) * | 2016-12-13 | 2018-06-29 | 王仙 | A kind of corn oil dewaxing technique |
| CN108329994A (en) * | 2018-04-24 | 2018-07-27 | 鞠振霞 | A kind of degreasing process for dewaxing of siritch |
| CN109837136A (en) * | 2017-11-28 | 2019-06-04 | 中国科学院青岛生物能源与过程研究所 | A kind of method of Dewaxing of Rice Bran degreasing |
| CN112662471A (en) * | 2020-12-31 | 2021-04-16 | 郑州远洋油脂工程技术有限公司 | Energy-saving and consumption-reducing process in grease dewaxing fractionation process |
| CN113637525A (en) * | 2021-08-31 | 2021-11-12 | 湖北省现代农业有限公司 | Degreasing method for improving rice oil quality |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524712A (en) * | 2015-09-23 | 2016-04-27 | 湖北元大粮油科技有限公司 | Rapeseed oil degreasing device and technology |
| CN105524712B (en) * | 2015-09-23 | 2016-09-28 | 湖北元大粮油科技有限公司 | The degreasing plant of a kind of Oleum Brassicae campestris and technique thereof |
| CN108219923A (en) * | 2016-12-13 | 2018-06-29 | 王仙 | A kind of corn oil dewaxing technique |
| CN109837136A (en) * | 2017-11-28 | 2019-06-04 | 中国科学院青岛生物能源与过程研究所 | A kind of method of Dewaxing of Rice Bran degreasing |
| CN107881008A (en) * | 2017-12-14 | 2018-04-06 | 王伟 | A kind of Rice oil crystallization apparatus |
| CN108329994A (en) * | 2018-04-24 | 2018-07-27 | 鞠振霞 | A kind of degreasing process for dewaxing of siritch |
| CN112662471A (en) * | 2020-12-31 | 2021-04-16 | 郑州远洋油脂工程技术有限公司 | Energy-saving and consumption-reducing process in grease dewaxing fractionation process |
| CN113637525A (en) * | 2021-08-31 | 2021-11-12 | 湖北省现代农业有限公司 | Degreasing method for improving rice oil quality |
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| Publication number | Publication date |
|---|---|
| CN204311046U (en) | 2015-05-06 |
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Application publication date: 20150325 |