WO2016034105A1 - 一种油脂提炼系统、使用该系统精制米糠油的方法及制得的米糠油 - Google Patents
一种油脂提炼系统、使用该系统精制米糠油的方法及制得的米糠油 Download PDFInfo
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- WO2016034105A1 WO2016034105A1 PCT/CN2015/088759 CN2015088759W WO2016034105A1 WO 2016034105 A1 WO2016034105 A1 WO 2016034105A1 CN 2015088759 W CN2015088759 W CN 2015088759W WO 2016034105 A1 WO2016034105 A1 WO 2016034105A1
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
- C11C1/08—Refining
- C11C1/10—Refining by distillation
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
-
- 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
-
- 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
- C11B3/10—Refining fats or fatty oils by adsorption
-
- 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
- C11B3/12—Refining fats or fatty oils by distillation
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
- C11C1/08—Refining
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
Definitions
- the invention belongs to the technical field of animal and vegetable oil refining, and particularly relates to an oil refining system and a method for refining the glutinous rice oil using the system and the prepared rice bran oil.
- China's oil refining process generally uses traditional chemical refining or physical refining methods, mainly including degumming, alkali refining or physical deacidification, decolorization, dewaxing and deodorization.
- degumming alkali refining or physical deacidification
- decolorization dewaxing
- deodorization deodorization
- deacidification methods include alkali refining, distillation (physical deacidification), solvent extraction, and esterification.
- the most widely used methods are alkali refining and distillation (physical deacidification).
- the alkali refining method is a refining method in which a free fatty acid in a fat or oil is neutralized with a base, and the resulting soap adsorbs some other impurities, thereby separating and separating from the oil.
- caustic soda or soda ash is commonly used, or soda ash is used first.
- the commonly used equipment is a refining pan, a dosing pump, a disc centrifuge, a water washing pot and a dryer.
- the alkali degreasing process will cause the loss of neutral oil and accompany the generation of a large amount of waste water, which will bring economic losses to the enterprise and increase the treatment volume of industrial wastewater and even cause environmental pollution.
- the distillation method (physical deacidification) is characterized by a significant difference in volatility between triglycerides and free fatty acids (under vacuum), at higher vacuum (less than 266 Pa residual pressure) and at higher temperatures (240 to 260 ° C).
- the principle of steam distillation is to achieve the purpose of removing free fatty acids and other volatile substances in oil. This method is suitable for treating high acid value oils such as rice bran oil and palm oil.
- the equipment for distillation and deacidification is the same as the deodorization equipment, and mainly has a laminar type, a packed type, a horizontal shallow disc type deodorization tower, and the like.
- the advantage of the plate tower is that the investment cost is relatively moderate, the heat recovery rate is high, and the maintenance is easy.
- the plate deodorization tower Due to the unique structure of the plate deodorization tower, it is divided into upper and lower layers, each layer is divided into 6 to 8 partitions, and each layer is provided with an overflow pipe to maintain the oil level between 600 and 900 mm, thus making the bottom of each layer of the tray Steam injection must overcome the pressure of the oil layer, and ensure normal steam distillation, and the amount of steam stripping is large.
- the plate tower should pay 70 ⁇ 90kg of steam per refined oil for 1t, and the operating cost is higher.
- Decolorization is to improve the color of the oil, improve the quality of the oil and provide a qualified raw material oil for further deodorization and refining.
- Another important function of the decolorization process is to remove impurities other than the pigment.
- Most of the decolorization of vegetable oils is adsorbed and decolorized by adsorbents. Adsorbed materials such as activated carbon, bentonite and attapulgite have strong selective adsorption on pigments and other impurities.
- the equipment commonly used for decolorization of grease is white clay quantitative tank, white clay-oil mixing tank, decolorizing pot or decolorizer, trap, ama filter and sump. In the process of adsorption and decolorization, the neutral oil is often lost due to the adsorption of the adsorbent. In addition, some pigments generated by thermal processing cannot be removed by adsorption decolorization.
- Deodorization is the use of large differences in the volatility of odorous substances (such as low molecular weight fatty acids, hydrocarbons, aldehydes, ketones, peroxides, etc.) and triglycerides in oils and fats, and removal by steam distillation under high temperature and high vacuum conditions.
- the deodorizing equipment is the same as the distillation deacidification equipment, and mainly has a laminar type, a packed type, a horizontal shallow disc type deodorizing tower, and the like.
- the deodorization process is easy to cause oxidation, cracking and partial hydrolysis of oil due to high processing temperature (170-260 °C), long heat treatment time (15-120 minutes) and direct steam contact with grease. And the formation of hazardous substances (such as transacids, polymeric glycerides, etc.).
- the present invention has been made in view of the problems described above and/or in existing grease refining systems.
- a grease refining system comprising: a water circulation system comprising: a chilled water circulation unit, a hot water circulation unit, and a room temperature water circulation a ring unit, the chilled water circulation unit includes a chilled water device and a chilled water pipe, the hot water circulation unit includes a hot water device and a hot water pipe, the normal temperature water circulation unit includes a normal temperature water pipe, and a deacidification and deodorization system includes a preheating unit, an evaporation unit, a first condensing unit, a first heat transfer oil line, and a second heat transfer oil line; and a decolorizing system including a first reheat unit, a first distillation unit, a second condensing unit, and a third heat transfer An oil line and a fourth heat transfer oil line; the chilled water device distributes the chilled water to the first chilled water line, the second chilled water line, and the third chilled water line, wherein the chilled water of the first chilled water
- the equipment is recycled; the hot water of the third hot water pipe is returned to the hot water device after heat exchange between the first light component and the first light component material obtained by internal distillation of the first distillation unit. Recycling; the hot water of the fourth hot water pipe is melted by the first condensing unit to melt the solid matter generated by the regular warm water inside, and then returned to the hot water device for recycling;
- the water pipeline includes a first normal temperature water pipe a second normal temperature water pipeline, a third normal temperature water pipeline, a fourth normal temperature water pipeline, a fifth normal temperature water pipeline, and a normal temperature water circuit, wherein the normal temperature water of the first normal temperature water pipeline enters the hot water facility as described
- the hot water circulation unit replenishes water; the normal temperature water of the second normal temperature water pipeline returns to the normal temperature water circuit after passing through the evaporation unit; and the normal temperature water of the third normal temperature water pipeline returns to the first condensation unit
- the normal temperature water circuit; the normal temperature water of the fourth normal temperature water line returns to the normal temperature water circuit after the first
- the unit distinguishes between the first light component material and the first heavy component material, and then the first light component material enters the first condensing unit, and the first heavy component material enters the first reheater after heating
- the second light component material and the second heavy component material are separated by the first distillation unit, and then the uncondensed gas in the second light component material enters the second condensation unit.
- a preferred embodiment of the oil refining system of the present invention further comprising: a first refining system comprising a second reheat unit, a second distillation unit, a third condensing unit, a fifth heat transfer oil line, and a sixth a heat transfer oil line;
- the chilled water device also distributes the chilled water to the fourth chilled water line, wherein the chilled water of the fourth chilled water line condenses the gas generated in the internal refining process through the third condensing unit Returning to the chilled water device for recycling;
- the hot water device also distributes the hot water to the fifth hot water pipe, wherein the hot water of the fifth hot water pipe passes through the second distillation unit and the The second light component material obtained by internal distillation of the second distillation unit is returned to the hot water equipment for recycling after heat exchange;
- the normal temperature water pipeline further includes a sixth normal temperature water pipeline, wherein the sixth normal temperature water pipeline The normal temperature water returns to the normal temperature water circuit after passing through the second distillation unit; the heat transfer oil of the fifth heat transfer oil line
- a preferred embodiment of the oil refining system of the present invention further comprising: a second refining system comprising a third reheater, a third distillation unit, a fourth condensing unit, a seventh heat transfer oil line, and an eighth a heat transfer oil line;
- the chilled water device also distributes the chilled water to the fifth chilled water line, wherein the chilled water of the fifth chilled water line condenses the gas generated in the internal refining process through the fourth condensing unit Returning to the chilled water device for recycling;
- the hot water device also distributes the hot water to the sixth hot water pipe, wherein the hot water of the sixth hot water pipe passes through the third distillation unit and the The third light component material obtained by internal distillation of the third distillation unit is returned to the hot water equipment for recycling after heat exchange;
- the normal temperature water pipeline further includes a seventh normal temperature water pipeline, wherein the seventh normal temperature water pipeline The normal temperature water returns to the normal temperature water circuit after passing through the third distillation unit; the heat transfer oil of the seventh heat transfer oil line is
- a preferred embodiment of the oil refining system of the present invention further comprising: a third refining system comprising a fourth reheater, a fourth distillation unit, a fifth condensing unit, a ninth heat transfer oil line, and a tenth a heat transfer oil line;
- the chilled water device also distributes the chilled water to the sixth chilled water line, wherein the chilled water of the sixth chilled water line condenses the gas generated in the internal refining process through the fifth condensing unit Returning to the chilled water device for recycling;
- the hot water device also distributes the hot water to the seventh hot water pipe, wherein the hot water of the seventh hot water pipe passes through the fourth distillation unit and the The fourth light component material obtained by internal distillation of the fourth distillation unit is returned to the hot water device for heat recovery after being exchanged;
- the normal temperature water pipeline further includes an eighth normal temperature water pipeline and a ninth normal temperature water pipeline, wherein The normal temperature water of the eighth normal temperature water pipeline returns to the normal temperature water circuit after passing through the fourth distillation unit
- the deacidification and deodorization system further comprises a first vacuum device connected to the first condensation unit; the decolorization system further comprising a second vacuum device Connected to the second condensing unit; the first refining system further includes a third vacuum device coupled to the third condensing unit; the second refining system further includes a fourth vacuum device, Connected to the fourth condensing unit; the third refining system further includes a fifth vacuum device coupled to the fifth condensing unit.
- the chilled water device includes a chilled water tank, a freezing unit and an inner circulation chilled water line, and the chilled water tank is provided with a water supply end and a water return end.
- the outside water enters the chilled water tank from the hydration end, and then the water in the chilled water tank is cooled by the freezing unit through the inner circulation chilled water line.
- the evaporation unit comprises The thin film evaporator and the first heavy phase receiving tank, the heat conducting oil of the second heat conducting oil pipeline enters the thin film evaporator, the internal material is heated, and the heat exchange oil that completes the heat exchange flows back to the heat conducting oil furnace, and the raw material oil
- the first heavy component and the first light component are separated by the evaporation unit, and then the first heavy component enters the first heavy phase receiving tank.
- the first condensing unit comprises a first condenser, a first cold trap and a first light phase receiving tank, the first cold trap and the first a condenser is connected to enhance the condensation on the first condenser.
- the third normal temperature water pipeline is divided into a first branch of the third normal temperature water pipeline and a second branch of the third normal temperature water pipeline. After the normal temperature water of the first branch of the third normal temperature water pipeline enters the first condenser, the raw material oil is separated by the evaporation unit to obtain heat exchange condensation of the first light component material into liquid to enter the first light.
- the normal temperature water of the second branch of the third normal temperature water pipeline After receiving the tank, returning to the normal temperature water circuit; the normal temperature water of the second branch of the third normal temperature water pipeline returns to the normal temperature water circuit after passing through the first cold trap; the fourth hot water pipeline
- the hot water is melted by the first condenser to melt the solid matter generated by the regular warm water inside, and then returned to the hot water equipment for recycling; the chilled water of the second chilled water pipeline passes through the first cold trap to be internalized
- the gas produced during the refining process is condensed and returned. Chilled water recycling equipment.
- the first distillation unit comprises a first molecular distiller, a second heavy phase receiving tank and a second light phase receiving tank, and the fourth heat conducting oil pipeline is thermally conductive.
- the oil enters the first molecular distiller, the internal material is heated, the heat exchange oil that completes the heat exchange flows back to the heat transfer oil furnace, and the feedstock oil is separated by the distillation unit to obtain the second heavy component and the second light
- the component materials enter the second heavy phase receiving tank and the second light phase receiving tank, respectively.
- the oil refining system further includes: an automatic control system including a compressed air line; and a first portion disposed on the first refrigerating water pipe before the heat exchange device a pneumatic sensing valve; a first sensing thermometer disposed on the hot water device; a second pneumatic regulating valve disposed on the first heat transfer oil line before the preheating unit; and a second sensing disposed on the preheating unit a third pneumatic regulating valve disposed on the second heat transfer oil line before the evaporation unit; a third sensing thermometer disposed on the evaporation unit; and a first heat reheating unit disposed on the third heat transfer oil line a fourth pneumatic regulating valve; a fourth sensing thermometer disposed on the first reheating unit; a fifth pneumatic regulating valve disposed on the fourth heat transfer oil line before the first distillation unit; and a first pneumatic distillation unit disposed on the first distillation unit a five-sensing thermo
- Another object of the present invention is to provide a rice bran oil refining process.
- a rice bran oil refining method comprising: step one, heating the dewaxed and degummed rice bran oil to a temperature of 160 to 190 ° C through a preheating unit, and then entering the evaporation unit.
- the distributor built in the evaporation unit is uniformly clothed on the evaporation surface, the temperature of the evaporation surface is 190-220 ° C, and the first light component is cooled to 5 to 25 ° C by the first condensing unit, and flows into the first light-phase receiving tank, a heavy component directly enters the first heavy phase receiving tank, and the degree of vacuum of the deacidification and deodorization system is 10 to 100 Pa; in step 2, the material in the first heavy phase receiving tank is heated by the first reheating unit At 220-230 ° C, and then enter the first distillation unit, the cloth is built in the first distillation unit and uniformly distributed on the evaporation surface, the temperature of the evaporation surface is 230-260 ° C, and the second light component is built in the first distillation unit.
- the condenser is cooled to 30 to 45 ° C, flows into the second light phase receiving tank, and the second heavy component directly enters the second heavy phase receiving tank, and the vacuum degree of the decolorizing system is 0.5 to 1 Pa; in step 3, the first refining process: Said The material in the double-phase receiving tank is heated to 230-260 ° C by the second reheating unit, and then enters the second distillation unit for purification, and the material is uniformly clothed on the evaporation surface by the distributor built in the second distillation unit, and the temperature of the evaporation surface At 280-300 ° C, the third light component is cooled to 30-45 ° C through the condenser built in the second distillation unit, and flows into the third light-phase receiving tank, and the third heavy component directly enters the third heavy-phase receiving tank.
- the vacuum degree of the first refining system is 0.5 to 1 Pa; in step 4, the second refining process, the material in the third heavy phase receiving tank is heated to 230 to 260 ° C through the third reheating unit, and then enters the third distillation. The unit is refined, and the material is uniformly clothed on the evaporation surface by the distributor built in the third distillation unit, the temperature of the evaporation surface is 300-310 ° C, and the fourth light component is cooled to 30-45 by the condenser built in the third distillation unit.
- the fourth heavy component directly enters the fourth heavy phase receiving tank, the second refining system has a vacuum of 0.1 to 1 Pa; in step 5, the third refining process, the fourth heavy In the receiving tank
- the material is heated to 230 to 260 ° C by the fourth reheating unit, and then refined into the fourth distillation unit, and the material is uniformly clothed on the evaporation surface by the distributor built in the fourth distillation unit, and the temperature of the evaporation surface is 310 to 318 ° C.
- the five light component substances are cooled to 30 to 45 ° C by the condenser built in the fourth distillation unit, and flow into the fifth light phase receiving tank, and the fifth heavy component directly enters the fifth heavy phase receiving tank, and the third refining system
- the vacuum degree is 0.1 to 1 Pa; in step 6, the materials in the third light phase receiving tank and/or the fourth light phase receiving tank and/or the fifth light phase receiving tank are pumped into the winterization tank,
- the temperature is raised to 32-35 ° C under stirring, and then enters the crystallization stage, and the temperature is lowered to 12 ° C to 15 ° C at a cooling rate of 1.5 to 2 ° C / h, and then the temperature is lowered to 3 ° C at a temperature decreasing rate of 0.3 to 0.5 ° C / h.
- the crystal is maintained at a constant temperature of 3 ° C for 14 h, and then filtered into a winter filter, the filtration pressure is ⁇ 0.2 Mpa, and the refined rice bran oil is obtained after the winter degreasing.
- the dewaxing and degummed rice bran oil is dewaxed by filtering the milled rice bran oil into a winterization tank and heating the mixture under stirring.
- the degumming and degumming rice bran oil degumming method is: heating the rice bran oil to 80-90 ° C, and then adding the weight of the rice bran oil 0.05% to 0.20% by weight of 80% to 85% phosphoric acid or 50% ⁇ 55% citric acid solution, vigorously mixed and retained for 10 to 25 minutes, then add 1% to 10% of oil with a temperature of 90 ⁇ 97 ° C hot water, fully mixed for 5 ⁇ 20min, then centrifuged to remove the water phase, The degummed oil is dehydrated and dried under vacuum conditions of 30 to 300 Pa to obtain degummed rice bran oil.
- the present invention provides the following technical scheme: a rice bran oil, wherein the oryzanol accounts for 0.5-2.0% of the rice bran oil, the fatty acid composition accounts for 16-27%, and the unsaturated fatty acid accounts for 63.5. ⁇ 85%.
- the oryzanol composition comprises 24-methylenecyclo-bambolanol ferulate, methylene cyclo-bambolanol ferulate, and rapeseed sterol awei Acid ester, cycloartenol ferulate, ⁇ -sterol ferulate, cyclopropanol ferulate.
- the saturated fatty acid is palmitic acid and stearic acid.
- the unsaturated fatty acid is oleic acid, linoleic acid and linolenic acid.
- the oleic acid accounts for 35 to 49% by mass
- the linoleic acid accounts for 28 to 43%
- the linolenic acid accounts for 0.5% by mass. ⁇ 3.0%.
- the color is in accordance with the Lovibond colorimeter 133.4 mm groove, red ⁇ 4.0, yellow ⁇ 35.
- the color thereof is 133.4 mm groove according to the Lovibond colorimeter, 1.4 ⁇ red ⁇ 3.2, and 15 ⁇ yellow ⁇ 32.
- the oryzanol accounts for 1 to 2.0% by mass of the rice bran oil.
- the present invention separates the components of the material by adjusting the pressure and temperature through the oil refining system
- the pigment, unsaturated triglyceride, saturated triglyceride, and free fatty acid in the oil and fat can be separately extracted, and can be separately sold according to the use, which can increase the efficiency of the enterprise;
- FIG. 6 are schematic structural views of an oil refining system according to an embodiment of the present invention, wherein
- FIG. 1 is a schematic structural view of a main part of a water circulation system according to the present invention.
- FIG. 2 is a schematic structural view of a main part of the deacidification and deodorization system of the present invention
- FIG. 3 is a schematic structural view of a main part of the decolorizing system of the present invention.
- FIG. 4 is a schematic structural view of a main part of a first refining system according to the present invention.
- Figure 5 is a schematic view showing the structure of a main part of a second refining system according to the present invention.
- Figure 6 is a schematic view showing the structure of a main part of a third refining system according to the present invention.
- an embodiment or “an embodiment” as used herein refers to a particular feature, structure, or characteristic that can be included in at least one implementation of the invention.
- an oil refining system provided by the present invention includes a water circulation system 100, a deacidification and deodorization system 200, a decolorization system 300, a first refining system 400, a second refining system 500, and a third refining system 600.
- the water circulation system 100 includes a chilled water circulation unit, a hot water circulation unit, and a normal temperature water and water circulation unit.
- the chilled water circulation unit includes chilled water equipment and chilled water pipeline, and returns to the "refrigerated water” in the chilled water equipment after heat exchange (the “refrigerated water” at this time is the water after heat exchange, and the temperature is necessarily higher than the grease.
- the temperature of the chilled water required by the refining system, as well as the water that is externally replenished into the chilled water equipment, is cooled by the chilled water equipment and then distributed to each chilled water line for recycling.
- the chilled water device includes a chilled water tank V201, a freezing unit, a chilled water pump P201, and an inner circulating chilled water line 201.
- the chilled water tank V201 is provided with a water filling end 101, a water return end 102, and a The water end 103 and the liquid level meter LI101, the outside water enters the chilled water tank V201 through the water replenishing end 101, and then is cooled by the chilling unit through the inner circulating chilled water line 201 to obtain chilled water, and then enters the chilled water tank V201 through the water inlet end 103.
- the chilled water is distributed to the first chilled water line 202, the second chilled water line 203, the third chilled water line 204, the fourth chilled water line 205, the fifth chilled water line 206, and the sixth chilled water line 207.
- the chilled water of the first chilled water line 202 passes through the first heat exchange device.
- the first heat exchange device that is, the heat exchanger C01, the heat exchanger C01 and the first hot water line 208 enter the heat exchanger C01.
- the temperature of the hot water is stabilized within the temperature range required by the system, and is returned to the chilled water tank V201 and then cooled by the refrigeration unit to obtain chilled water for recycling;
- the chilled water of the second chilled water line 203 enters the first cold trap H117 and serves as a heat exchange medium for the first cold trap H117 to condense a small amount of gas generated in the first cold trap H117 during the refining process to ensure the entire grease.
- the vacuum degree of the refining system is within the set range, and then returned to the chilled water tank V201 and then cooled by the chilling unit to obtain chilled water for recycling;
- the chilled water of the third chilled water line 204 enters the second cold trap H107 and serves as a heat exchange medium for the second cold trap H107, condensing a small amount of gas generated in the second cold trap H107 during the refining process to ensure the entire
- the vacuum degree of the grease refining system is within the set range, and then returned to the chilled water tank V201 and then cooled by the refrigeration unit to obtain chilled water for recycling;
- the chilled water of the fourth chilled water line 205 enters the third cold trap H110 and serves as a heat exchange medium for the third cold trap H110 to condense a small amount of gas generated in the third cold trap H110 during the refining process to ensure the entire
- the vacuum degree of the grease refining system is within the set range, and then returned to the chilled water tank V201 and then cooled by the refrigeration unit to obtain chilled water for recycling;
- the chilled water of the fifth chilled water line 206 enters the fourth cold trap H113 and serves as a heat exchange medium for the fourth cold trap H113, condensing a small amount of gas generated in the fourth cold trap H113 during the refining process to ensure the entire
- the vacuum degree of the grease refining system is within the set range, and then returned to the chilled water tank V201 and then cooled by the refrigeration unit to obtain chilled water for recycling;
- the chilled water of the sixth chilled water line 207 enters the fifth cold trap H116 and serves as a heat exchange medium for the fifth cold trap H116 to condense a small amount of gas generated in the fifth cold trap H116 during the refining process to ensure the entire
- the degree of vacuum of the grease refining system is within the set range, and then returns to the chilled water tank V201 and is cooled by the chilling unit to obtain chilled water for recycling.
- a chilled water pump is disposed on each of the chilled water pipes to ensure effective circulation of the chilled water.
- the first chilled water line 202 is further provided with a first pneumatic regulating valve QD01, the first pneumatic adjustment The valve QD01 is started by the compressed air line.
- a bypass is arranged beside the first pneumatic regulating valve QD01 to prevent the first pneumatic regulating valve QD01 from malfunctioning and affecting the first freezing. The recycling of chilled water in the water line 202.
- the hot water circulation unit includes a hot water device and a hot water pipe.
- the hot water device that is, the hot water tank V202 shown in FIG. 1 is hydrated through the first normal temperature water pipe 215, and then distributed to other heats. The water pipe is recycled.
- the hot water tank V202 is further provided with a liquid level meter LI102 and a first sensing thermometer TIC101.
- the first sensing thermometer TIC101 can send a signal, which is summarized by the control device and then pre-pressed.
- the program sends a control command to the first pneumatic regulating valve QD01 in the system (the pneumatic regulating valve is activated by the compressed air in the compressed air line), and adjusts the flow rate of the chilled water to achieve the purpose of controlling the temperature.
- the hot water of the first hot water pipe 208 is exchanged with the chilled water entering the heat exchanger C01 through the first heat exchange device, that is, the heat exchanger C01 shown in FIG. 1 and the first chilled water pipe 202, thereby making the hot water
- the temperature is stabilized within a suitable range, and then returned to the hot water tank V202 for recycling;
- the solid matter generated by the condensation of the warm water inside thereof is melted into a liquid discharge, that is, the second hot water pipe 212 is lifted.
- the supplied hot water is used here as a second condenser H106 to clean the heat exchange medium for condensing the solid matter, and then returned to the hot water tank V202 for recycling;
- the hot water of the third hot water pipe 213 is exchanged with the first light component obtained by the internal distillation of the first molecular distiller H105 through the first molecular distiller H105 (shown in FIG. 3) in the first distillation unit. After that, it becomes water having a higher temperature than the "hot water" in the original hot water tank V202, and returns to the hot water tank V202 for recycling;
- the hot water of the fourth hot water pipe 214 passes through the first condenser H103 in the first condensing unit, the solid matter generated by the condensation of the warm water inside thereof is melted into a liquid discharge, that is, the fourth hot water pipe 214 provides
- the hot water is used here as a first condenser H103 to clean the heat exchange medium of the condensed solids, and then returned to the hot water tank V202 for recycling;
- the hot water of the fifth hot water pipe 211 is exchanged with the second light component H109 in the second distillation unit through the second molecular distiller H109 (shown in FIG. 4) in the second distillation unit. After that, it becomes water having a higher temperature than the "hot water" in the original hot water tank V202, and returns to the hot water tank V202 for recycling;
- the hot water of the sixth hot water pipe 210 is exchanged with the third light component obtained by the internal distillation of the third molecular distiller H112 through the third molecular distiller H112 (shown in FIG. 5) in the third distillation unit. After that, it becomes water having a higher temperature than the "hot water" in the original hot water tank V202, and returns to the hot water tank V202 for recycling;
- the hot water of the seventh hot water pipe 209 is exchanged with the fourth light component obtained by the internal distillation of the fourth molecular distiller H115 through the fourth molecular distiller H115 (shown in FIG. 6) in the fourth distillation unit. Thereafter, it becomes water having a higher temperature of "hot water” in the original hot water tank V202, and is returned to the hot water tank V202 for recycling.
- the hot water tank V202 is hydrated through the first normal temperature water line 215, and the temperature rises after heat exchange through the built-in condenser of the molecular distiller of each stage.
- the heat exchanger C01 exchanges heat with the chilled water of the first chilled water line 202 to stabilize the temperature of the hot water within a suitable range.
- an automatic control system is adopted, the temperature is measured by the first sensing thermometer TIC101 on the hot water tank V202, and a signal is sent out, and the first pneumatic regulating valve in the system is summarized by the control device according to a preset program.
- the QD01 issues a control command (the pneumatic regulating valve is activated by the compressed air) to adjust the flow rate of the chilled water of the first chilled water line 202, thereby achieving the purpose of controlling the hot water temperature.
- the normal temperature water circulation unit includes a normal temperature water pipeline, wherein the normal temperature water pipeline includes a first normal temperature water pipeline 215, a second normal temperature water pipeline 216, a third normal temperature water pipeline 217, a fourth normal temperature water pipeline 218, a fifth normal temperature water pipeline 219, and a first temperature.
- the normal temperature water of the first normal temperature water line 215 enters the hot water tank V202 to replenish the hot water circulation unit;
- the normal temperature water of the second normal temperature water line 216 enters the thin film evaporator H102 (shown in FIG. 2) in the evaporation unit, and returns to the normal temperature water circuit after the mechanical seal of the speed reducer in the thin film evaporator H102 is cooled;
- the third normal temperature water pipeline 217 includes a third normal temperature water pipeline first branch 217a and a third normal temperature water pipeline second branch 217b, and the normal temperature water of the first normal temperature water pipeline first branch 217a enters the first condenser H103.
- the raw material oil is separated by the thin film evaporator H102 to obtain the first light component material, which is heat-condensed and condensed into liquid, enters the first light-phase receiving tank V102, and returns to the normal temperature water circuit, and the third normal temperature water pipeline second branch 217b
- the normal temperature water serves as a heat exchange medium for cleaning the condensed solids, so that the solid formed by the condensation of the chilled water of the second chilled water line 203 is melted and then discharged into a liquid, and then returned to the normal temperature water.
- the first cold trap H117 is in communication with the first condenser H103, and functions to enhance condensation on the first condenser H103;
- the normal temperature water of the fourth normal temperature water line 218 enters the first molecular distiller H105 in the first distillation unit (as shown in FIG. 3), and returns to the normal temperature water after the mechanical seal of the speed reducer in the first molecular distiller H105 is cooled.
- the fifth normal temperature water line 219 includes a fifth normal temperature water pipeline first branch 219a and a fifth normal temperature water pipeline second branch 219b, and the normal temperature water of the first normal temperature water pipeline first branch 219a enters the second condenser H106.
- the heat exchange medium of the uncondensed gas in the second light component material is distinguished, and is condensed to return to the normal temperature water circuit, and the second branch of the fifth normal temperature water line 219b
- the normal temperature water serves as a heat exchange medium for cleaning the condensed solids, so that the solid formed by the condensation of the chilled water of the third chilled water line 204 melts and becomes liquid discharge, and then returns to the normal temperature water circuit. ;
- the normal temperature water of the sixth normal temperature water line 220 enters the second molecular distiller H109 in the second distillation unit (as shown in FIG. 4), and returns to the normal temperature water after the mechanical seal of the reducer in the second molecular distiller H109 is cooled.
- the normal temperature water of the seventh normal temperature water line 221 enters the third molecular distiller H112 (shown in FIG. 5) in the third distillation unit, and returns to the normal temperature water after the mechanical seal of the speed reducer in the third molecular distiller H112 is cooled.
- the normal temperature water of the eighth normal temperature water line 222 enters the fourth molecular distiller H115 in the fourth distillation unit (as shown in FIG. 6), and returns to the normal temperature water after the mechanical seal of the speed reducer in the fourth molecular distiller H115 is cooled. Loop
- the normal temperature water of the ninth normal temperature water line 223 enters the second heat exchange device, as shown in FIG. 6, which includes the second heat exchanger C02 as the heat exchange medium of the second heat exchanger C02, so that the fifth heavy phase is received.
- the material in the tank V109 is cooled to a suitable temperature by the second heat exchanger C02 to avoid thermal oxidation and then returned to the normal temperature water circuit.
- the specific process of heat exchange is: firstly, the valve on the pipeline of the fifth heavy phase receiving tank V109 is turned on, and then the material pump P110 is started, and the material flows back to the fifth heavy phase receiving tank V109, which indicates the pressure in the pipeline.
- the valve on the pipeline connected to the second heat exchanger C02 is opened, and the valve on the pipeline of the fifth heavy phase receiving tank V109 is closed, and the fifth heavy phase receives the material in the tank V109.
- the discharged material is mainly a triglyceride having a relatively large molecular weight, and can be sold as a by-product after being discharged.
- the entry and exit of normal temperature water is not a closed circuit system, and its use is mainly four: one is to cool the mechanical seal of the equipment reducer; the other is to use as a heat exchange medium for the condenser (H103, H106).
- the gas in the condenser is condensed into a liquid after heat exchange; the third is used as a heat exchange medium for cleaning the condensed solids in the cold trap, so that the solid matter condensed by the chilled water is melted and then discharged into a liquid;
- the heat exchange medium of the C02 causes the material in the fifth heavy phase receiving tank V109 to be cooled to a suitable temperature by the second heat exchanger C02 to avoid thermal oxidation.
- the thin film evaporator H102 (shown in FIG. 2) is employed as the deacidification and deodorization device in the oil refining.
- the principle is as follows: the material enters the inside of the thin film evaporator H102 from above the heating zone of the thin film evaporator H102, and is distributed to the thin film evaporator H102 to heat the wall surface through the distributor, and then the rotating wiper device continuously and uniformly feeds the material on the heating surface. Scrape into a thick and even liquid film and push it down in a spiral shape.
- the rotating wiper ensures high-speed turbulence of the continuous and uniform liquid film, and prevents the liquid film from coking and fouling on the heating surface, thereby increasing the transmission coefficient.
- the first light component material is vaporized to form a vapor flow rise, and the vapor-liquid separator reaches an external condenser directly connected to the thin film evaporator H102 (ie, the first in FIG. 2) Condenser H103); the first heavy component is discharged from the cone at the bottom of the thin film evaporator H102 into the first heavy phase receiving tank V101.
- a molecular distiller can also be used here instead of the thin film evaporator H102 to achieve the same or similar technical effects.
- the deacidification and deodorization system 200 includes a preheating unit, an evaporation unit, a first condensing unit, a first heat transfer oil line, and a second heat transfer oil line.
- the preheating unit uses the preheater H101 to preheat the feedstock oil entering the system to reduce the energy consumption of the feedstock oil in the subsequent refining process.
- the evaporation unit adopts a thin film evaporator H102 (shown in FIG. 2) as a deacidification and deodorization device in the oil refining, and the lower end of the thin film evaporator H102 is provided with a first heavy phase receiving tank V101, and the collected first heavy component enters the decolorization.
- System 300 The first condensing unit includes a first condenser H103 and a first cold trap H117, and the first cold trap H117 is in communication with the first condenser H103 to enhance the condensation of the first condenser H103.
- the first light component obtained by the thin film evaporator H102 is condensed by the heat exchange in the first condenser H103 to become a liquid, and then collected into the first light phase receiving tank V102 as a by-product, and discharged to a by-product collecting tank for use in Raw materials for oleochemicals.
- the heat transfer oil of the first heat transfer oil line 224 is preheated through the preheater H101 as a heat exchange medium of the preheater H101, and the heat transfer oil that completes the heat exchange flows back into the heat transfer oil furnace;
- the heat transfer oil of the second heat transfer oil line 225 passes through the thin film evaporator H102 as a heat exchange medium of the thin film evaporator H102, so that the film-like material flowing on the inner wall of the thin film evaporator H102 is heated to a specific temperature, and the heat exchange oil for heat exchange is completed. Flow back into the heat transfer oil furnace.
- the heat transfer oil of the second heat transfer oil line 225 enters the front of the thin film evaporator H102, and flows out of the thin film evaporator H102, and is divided into two branches.
- the heating section of the thin film evaporator H102 is divided into two upper and lower parts, and the heat transfer oil needs to enter and exit the upper and lower heating sections respectively.
- the first heat transfer oil line 224 is provided with a second pneumatic regulating valve QD02, and the second pneumatic regulating valve QD02 is activated by the compressed air in the compressed air line, in order to ensure the stability and safety of the subsequent process flow,
- a bypass is provided on both sides of the second pneumatic regulating valve QD02 to prevent the second pneumatic regulating valve QD02 from malfunctioning and affecting the recycling of the heat conducting oil in the first heat conducting oil line 224.
- the second sensing thermometer TIC102 is disposed on the preheater H101, and the second sensing thermometer TIC102 can send a signal, and after being summed up by the control device, a control command is issued to the second pneumatic regulating valve QD02 in the system according to a preset program to adjust the heat conduction.
- the flow of oil thus achieves the purpose of controlling the temperature.
- the second heat transfer oil line 225 is divided into a front section of the second heat transfer oil line 225 and a rear stage of the second heat transfer oil line 225, and a third pneumatic part is disposed in the front stage of the second heat transfer oil line 225.
- the regulating valve QD03 is provided with a third sensing thermometer TIC103 at the rear of the second heat conducting oil line 225, and the third sensing thermometer TIC103 can send a signal, which is summed up by the control device and then preset to a third pneumatic in the system.
- the regulating valve QD03 issues a control command to adjust the flow rate of the heat transfer oil to achieve the purpose of controlling the temperature.
- the raw material oil is preheated by the preheater H101 and then enters the thin film evaporator H102 to obtain the first light component material and the first heavy component material, and then the first light component material enters the first condenser H103, in the first condenser H103. It is condensed by heat exchange to become liquid, and then enters the first light phase receiving tank V102 and is finally discharged to the by-product collecting tank; the first heavy component enters the first heavy phase receiving tank V101 disposed at the lower end of the thin film evaporator H102, and collects The first heavy component material that is passed enters the decolorizing system 300 in the next process.
- the raw material oil before entering the preheater H101 for preheating, the raw material oil is filtered through the basket filter G101 to remove various impurities flowing through the raw material oil of the pipeline, for example, small.
- the mechanical impurities, metal scraps, and the like protect the feed pump P101 connected to the rear of the basket filter G101 to prevent damage to the feed pump P101 due to the introduction of impurities.
- the filtered raw material oil flows through the elliptical gear flow meter BY01 and the metal tube float flowmeter FIC101 to measure the flow rate of the raw material oil, and then enters the preheater H101 for preheating.
- a valve is provided in each of the inlet, outlet and bypass lines of the elliptical gear flow meter BY01 and the sensing metal tube float flow meter FIC101, the purpose of which is that the inlet and outlet valves are opened during normal production. State, while the valve of the bypass line is closed; during the inspection or maintenance of the equipment, the inlet and outlet valves are closed, and the valve opening the bypass line allows the material remaining in the connected equipment to flow smoothly. When the corresponding flowmeter is replaced, all three valves are closed, which prevents the material in the pipeline and the equipment connected to the pipeline from flowing out, resulting in waste.
- the Y-type filters Y101 to Y111 also function the same as the basket filter G101 in order to filter out the materials flowing through the corresponding pipelines.
- the impurities are protected, and the material pumps P102 to P112 connected to the rear of the corresponding Y-type filters Y101 to Y111 are protected from damage caused by the introduction of impurities.
- the sensing metal tube float flowmeter FIC102, FIC104, FIC106, FIC108 and metal tube float flowmeter FI103, FI105, FI107 inlet, outlet and bypass pipeline are also set a valve, the purpose of which is in the elliptical gear flow
- the purpose of setting a valve for each of the inlet, outlet and bypass lines of the meter BY01 and the sensing metal tube float flowmeter FIC101 is the same, and will not be described here.
- system is further provided with an oil return feed tank line in communication with the feedstock oil feed line and the first heavy phase receiving tank V101 to facilitate maintenance of the system piping.
- a first vacuum device is further provided, which includes a first vacuum unit ZP101, and the first vacuum unit ZP101 communicates with the first cold trap H117 through the first buffer tank Z101, before the feedstock oil is introduced.
- the entire system is evacuated to form a negative pressure state to facilitate the refining of the grease.
- the specific operation in the actual production is as follows: firstly, the valve on the first heavy-phase receiving tank V101 pipeline is turned back, and then the material pump P102 is started, The material flows back to the first heavy phase receiving tank V101, which means that the pressure in the pipeline reaches equilibrium. At this time, the valve on the pipeline in the material discharge direction is opened and the valve on the pipeline of the first heavy phase receiving tank V101 is closed, the first heavy phase. The material in the receiving tank V101 can be discharged smoothly.
- the first light phase receiving tank V102 is as follows: firstly, the valve on the pipeline of the first light phase receiving tank V102 is turned back, and then the material pump P103 is started, and the material flows back to the first.
- the light phase receiving tank V102 indicates that the pressure in the pipeline reaches equilibrium.
- the valve on the pipeline in the material discharge direction is opened and closed to the valve on the pipeline of the first light phase receiving tank V102, and the first light phase receiving tank V102 The material can be discharged smoothly.
- the first heavy phase receiving tank V101 and the first light phase receiving tank V102 are both connected to the pipeline between the first condenser H103 and the first cold trap H117 to provide a vacuum balance tube.
- the road can ensure that the vacuum of the entire system is at the same value.
- the decolorizing system 300 includes a first reheating unit, a first distillation unit, a second condensing unit, a third heat transfer oil line, and a fourth heat transfer oil line.
- the first reheat unit reheats the first heavy component entering the decolorizing system 300 using the first reheater H104 to ensure the temperature of the first heavy component during subsequent refining.
- the first distillation unit includes a first molecular distiller H105 (shown in FIG. 3) as a decolorizing device in the oil refining, and a second heavy phase receiving tank V103 is disposed at a lower end of the first molecular distiller H105, and the second recombination is collected.
- the sub-substance enters the first refining system 400 of the next process through the conveying pipeline; the lower end of the first molecular distiller H105 is further provided with a second light phase receiving tank V104, and the second light component substance (mainly pigment) is first
- the built-in condensing device inside the molecular distiller H105 condenses heat into a liquid, and then enters the second light phase receiving tank V104 and is finally collected as a by-product into the by-product tank.
- the second condensing unit includes a second condenser H106 and a second cold trap H107, and the second cold trap H107 and the second condenser H106 are in communication to enhance the condensation of the second condenser H106.
- the purpose of providing the second condenser H106 and the second cold trap H107 in communication with the first molecular distiller H105 is to further condense a trace amount of the second light component without being self-contained inside the first molecular distiller H105.
- the built-in condensing equipment condenses the gas to maintain the strict vacuum requirements of the entire system.
- the heat transfer oil of the third heat transfer oil line 226 is reheated by the first reheater H104 as a heat exchange medium of the first reheater H104 to reheat the first heavy component entering the decolorization system 300 to complete heat exchange. Flow back to the heat transfer oil furnace;
- the heat transfer oil of the fourth heat transfer oil line 227 passes through the first molecular distiller H105 as a heat exchange medium of the first molecular distiller H105, so that the material distributed on the inner wall of the first molecular distiller H105 is heated to a specific temperature.
- the heat transfer oil that completes the heat exchange flows back into the heat transfer oil furnace.
- the third heat transfer oil line 226 is provided with a fourth pneumatic regulating valve QD04, and the fourth pneumatic regulating valve QD04 is activated by the compressed air in the compressed air line, in order to ensure the stability and safety of the subsequent process flow, A bypass is provided on both sides of the fourth pneumatic regulating valve QD04 to prevent the fourth pneumatic regulating valve QD04 from malfunctioning and affecting the recycling of the heat conducting oil in the third heat conducting oil line 226.
- the first regenerator H104 is provided with a fourth sensing thermometer TIC104, and the fourth sensing thermometer TIC104 can send a signal, and after being summed up by the control device, a control command is issued to the fourth pneumatic regulating valve QD04 in the system according to a preset program. Adjust the flow rate of the heat transfer oil to achieve the purpose of controlling the temperature.
- the fourth heat transfer oil line 227 is divided into a front section of the fourth heat transfer oil line 227 and a rear stage of the fourth heat transfer oil line 227 with the first molecular distiller H105 as a node, and a section is provided in the front stage of the fourth heat transfer oil line 227.
- the fifth pneumatic regulating valve QD05 is provided with a fifth sensing thermometer TIC105 at the rear of the fourth heat conducting oil line 227, and the fifth sensing thermometer TIC105 can send a signal, which is summarized by the control device and then preset according to a preset program in the system.
- the four pneumatic control valve QD04 issues a control command to adjust the flow of the heat transfer oil to achieve the purpose of controlling the temperature.
- the first heavy component is reheated by the first reheater H104 and then enters the first molecular distiller H105 to obtain a second light component (the main component is a pigment) and a second heavy component, and then the second light component
- the built-in condensing device built in by the first molecular distiller H105 condenses into liquid into the second light phase receiving tank V104 disposed at the lower end of the first molecular distiller H105, and is finally used as a by-product.
- the second heavy component enters the second heavy phase receiving tank V103 disposed at the lower end of the first molecular distiller H105, and the collected second heavy component material enters the first refining system 400 in the next process.
- a second vacuum device is further disposed in the decolorizing system 300, which includes a second vacuum unit ZP102, and the second vacuum unit ZP102 is connected to the second cold trap H107 through the second buffer tank Z102 for the purpose of preparing the whole oil before refining
- the system is evacuated to form a negative pressure state to facilitate the refining of the grease.
- the second heavy-phase receiving tank V103 is smoothly operated.
- the specific operation in the production is as follows: firstly, the valve on the pipeline of the second heavy-phase receiving tank V103 is turned on, and then the pump P104 is started. The material flows back to the second heavy phase receiving tank V103, which indicates that the pressure in the pipeline reaches equilibrium. At this time, the valve on the pipeline in the material discharge direction is opened and the valve on the pipeline of the second heavy phase receiving tank V103 is closed, the second heavy phase The material in the receiving tank V103 can be discharged smoothly.
- the second light phase receiving tank V104 is as follows: firstly, the valve on the pipeline of the second light phase receiving tank V104 is turned on, and then the material pump P105 is started, and the material flows back to the second. Light phase receiving tank V104, indicating that the pressure in the pipeline reaches equilibrium, at this time, the valve on the pipeline in the material discharge direction is opened and closed to the valve on the pipeline of the second light phase receiving tank V104, and the second light phase receiving tank V104 The material can be discharged smoothly.
- the second heavy phase receiving tank V103 and the second light phase receiving tank V104 are both connected to the pipeline between the second condenser H106 and the second cold trap H107 to provide a vacuum balance tube.
- the road can ensure that the vacuum of the entire system is at the same value.
- a hot water insulation jacket is disposed on the pipeline connecting the second condenser H106 and the second light phase receiving tank V104, while the pipeline connecting the first molecular distiller H105 and the second light phase receiving tank V104 And the pipeline of the second light phase receiving tank V104 discharged through the material pump P105 is also provided with a hot water insulation jacket.
- the purpose of the hot water insulation jacket is to ensure the condensation
- the two light component materials (the main component is a pigment) can flow in the above-mentioned pipes in a liquid form to facilitate discharge through the material pump P105.
- a hot water insulation jacket is also arranged on the outer wall of the second light phase receiving tank V104, and the inside of the jacket is filled with hot water, and the purpose is also to ensure that the second light component substance after condensation can exist in a liquid form, which is convenient. It is discharged via a feed pump P105.
- the decolorizing system 300 is also provided with an oil returning material tank line in communication with the first heavy component feed line and the second heavy phase receiving tank V103 to facilitate servicing of the system piping.
- a first refining system 400 comprising a second reheat unit, a second distillation unit, and a third condensation unit Element, fifth heat transfer oil line and sixth heat transfer oil line.
- the second reheat unit reheats the second heavy component entering the first refining system 400 using the second reheater H108 to reduce the second heavy component during subsequent refining. Energy consumption.
- the second distillation unit includes a second molecular distiller H109 (shown in FIG.
- the third condensing unit includes a third cold trap H110, and the third cold trap H110 and the second molecular distiller H109 are in communication to assist the second molecular distiller H109 in condensing.
- the purpose of providing the third cold trap H110 in communication with the second molecular distiller H109 is to further condense a trace amount of the third light component that is not condensed by the built-in condensing device built in the second molecular distiller H109. Gas to maintain the stringent requirements for vacuum in the entire system.
- the heat transfer oil of the fifth heat transfer oil line 228 is reheated to the second heavy component entering the first refining system 400 through the second reheater H108 as a heat exchange medium of the second reheater H108 to complete the heat exchange.
- the heat transfer oil flows back into the heat transfer oil furnace;
- the heat transfer oil of the sixth heat transfer oil line 229 is passed through the second molecular distiller H109 as a heat exchange medium of the second molecular distiller H109, so that the material distributed on the inner wall of the second molecular distiller H109 is heated to a specific temperature.
- the heat transfer oil that completes the heat exchange flows back into the heat transfer oil furnace.
- the fifth heat transfer oil line 228 is provided with a sixth pneumatic regulating valve QD06, and the sixth pneumatic regulating valve QD06 is activated by the compressed air in the compressed air line, in order to ensure the stability and safety of the subsequent process flow.
- a bypass is provided on both sides of the sixth pneumatic regulating valve QD06 to prevent the sixth pneumatic regulating valve QD06 from malfunctioning and affecting the recycling of the heat conducting oil in the fifth heat conducting oil line 228.
- the second reheater H108 is provided with a sixth sensing thermometer TIC106, and the sixth sensing thermometer TIC106 can send a signal, and after being summed up by the control device, a control command is issued to the sixth pneumatic regulating valve QD06 in the system according to a preset program. Adjust the flow rate of the heat transfer oil to achieve the purpose of controlling the temperature.
- the sixth heat transfer oil line 229 is divided into a front stage of the sixth heat transfer oil line 229 and a rear stage of the sixth heat transfer oil line 229 with the second molecular heat exchanger H109 as a node, and a section is provided in the front stage of the sixth heat transfer oil line 229.
- the seventh pneumatic regulating valve QD07 is provided with a seventh sensing thermometer TIC107 at the rear of the sixth heat conducting oil line 229, and the seventh sensing thermometer TIC107 can send a signal, which is summarized by the control device and then preset according to a preset program in the system.
- the six pneumatic control valve QD06 issues a control command to adjust the flow of the heat transfer oil to achieve the purpose of controlling the temperature.
- the second heavy component is reheated by the second reheater H108 and then enters the second molecular distiller H109 to obtain a third light component (ie, the first refined oil) and the third heavy component, and then the third light
- the component substance is condensed into liquid by the built-in condensing device provided inside the second molecular distiller H109, into the third light phase receiving tank V106 disposed at the lower end of the second molecular distiller H109, and the finished product or the semi-finished product is collected into the temporary storage tank.
- the third heavy component enters the third heavy phase receiving tank V105 disposed at the lower end of the second molecular still H109, and the collected third heavy component enters the second refining system 500 in the next process.
- a third vacuum device is further disposed in the first refining system 400, which includes a third vacuum unit ZP103, and the third vacuum unit ZP103 is connected to the third cold trap H110 through the third buffer tank Z103 for the purpose of refining the grease.
- the entire system is evacuated to form a negative pressure state to facilitate the refining of the grease.
- the specific operation in the production is as follows: firstly open the valve on the pipeline of the third heavy-phase receiving tank V105, and then start the material pump P106, The material flows back to the third heavy phase receiving tank V105, which indicates that the pressure in the pipeline reaches equilibrium. At this time, the valve on the pipeline in the material discharge direction is opened and the valve on the pipeline of the third heavy phase receiving tank V105 is closed, the third heavy phase. The material in the receiving tank V105 can be discharged smoothly.
- the third light phase receiving tank V106 is as follows: firstly, the valve on the pipeline of the third light phase receiving tank V106 is turned on, and then the material pump P107 is started, and the material flows back to the third.
- the light phase receiving tank V106 indicates that the pressure in the pipeline reaches equilibrium.
- the valve on the pipeline in the material discharge direction is opened and closed to the valve on the pipeline of the third light phase receiving tank V106, and the third light phase receiving tank V106 The material can be discharged smoothly.
- the third heavy phase receiving tank V105 and the third light phase receiving tank V106 are both in fluid communication with the pipeline between the second molecular still H109 and the third cold trap H110.
- the pipeline ensures that the vacuum of the entire system is at the same value.
- the first refining system 400 is further provided with an oil returning raw material tank line communicating with the second heavy component feed line and the third heavy phase receiving tank V105 to facilitate the system piping. Overhaul.
- an oil refining system further includes a second refining system 500 and a third refining system 600.
- the second refining system 500 and the third refining system 600 are basically the same as the equipment, piping and design principles used in the first refining system 400, and are not described here. The detailed description can be combined with FIG. 5 and FIG. 6 in conjunction with the specification. Description of the first refining system 400.
- the third refining system 600 is further provided with a second heat exchange device, as shown in FIG. 6, which includes a second heat exchanger C02.
- the normal temperature water of the ninth normal temperature water pipeline 223 causes the material in the fifth heavy phase receiving tank V109 to be cooled to a suitable temperature by the second heat exchanger C02 to avoid thermal oxidation, and then returns to the normal temperature water circuit.
- the normal temperature water circulation unit refers to the normal temperature water circulation unit.
- the grease refining system of the present invention adopts automatic control.
- the automation system mainly includes field devices and control devices (in this embodiment, the DCS master control portion).
- Field devices mainly include temperature and / or pressure and / or liquid level and / or flow meter scales, etc., generally use field indicators and remote transmission integrated instruments, installed on the equipment and / or pipelines in the field.
- the field device reacts to the control device via the (analog/switch/communication, etc.) signal.
- the control device is mainly composed of a host computer and a programmable logic controller (PLC).
- the signal sent by the field device is summed up by the host computer or PLC and then issued a control command to the on-site control valve according to the preset program, and the relevant information, such as the actual liquid level in each device, the actual flow rate of the pipeline, and the temperature of the equipment. And / or pressure state, the opening and / or stop state of each valve, displayed on the host computer, and automatically save important parameters. After setting the parameters such as the upper/lower limit on the host computer, an alarm will be given in the main control room or on the site.
- PLC programmable logic controller
- the invention mainly relates to automatic control in three aspects:
- the temperature, the sensing thermometer TIC101 ⁇ TIC101 send a signal, after the host computer or PLC summary, according to the preset program to the on-site pneumatic control valve QD01 ⁇ QD11 issued a control command (pneumatic control valve activated by compressed air), adjust the chilled water / The flow rate of the heat transfer oil (where the first pneumatic control valve QD01 regulates the flow of the chilled water) to achieve the purpose of controlling the temperature.
- the second is the liquid level, which is signaled by the sensing level gauges LIC101 to LIC110.
- the level gauge is typically mounted on a receiving tank and/or tank to reflect the material of the receiving tank and/or tank, automated control system
- the sensing level gauge in the middle uses the on-site indication/remote transmission integration, the total control supplies power to the sensing level gauge, and the sensing level gauge transmits the on-site liquid level through the (analog/switch/communication, etc.) signal.
- the control device controls the corresponding automatic valve according to a preset program (parameter), displays the actual liquid level on the computer screen, and can perform upper/lower limits on the receiving tank and/or the storage tank. On-site alarm settings.
- the third is the flow rate, which is sent by the sensing metal tube float flowmeters FIC101, FIC102, FIC104, FIC106, FIC108.
- the flowmeter is arranged on the material pipeline to reflect the material transfer in the production process.
- the flowmeter in the automatic control system adopts the integration of on-site indication/remote transmission, and the control device supplies power to the flowmeter, and the flowmeter passes (simulation The signal/pulse value/communication, etc. signal transmits the change of the field flow to the control device, and the control device controls the corresponding automatic valve according to a preset program (parameter) to ensure the flow stability; at the same time on the computer screen
- the actual flow value is displayed, and an alarm for the upper/lower limit of each line flow can be set.
- a grease refining system includes only the water circulation system 100, the deacidification and deodorization system 200, the decolorization system 300, and/or
- the first refinement unit 400 and/or the second refinement unit 500 reference may be made to the above description, and details are not described herein again.
- the method for preparing rice bran oil by using the above oil refining system is as follows:
- the dewaxed and degummed rice bran oil with a oryzanol content of 2.2% is preheated by the preheating unit, i.e., the preheater H101, to the feedstock oil entering the system, and the temperature is raised to 160 ° C, and then enters the evaporation unit.
- the thin film evaporator H102 is uniformly clothed on the evaporation surface via the distributor built in the thin film evaporator H102, the temperature of the evaporation surface is 190 ° C, and the first light component is cooled to 30 ° C by the first condenser H103 in the first condensation unit. And flowing into the first light phase receiving tank V102 and discharging through the material pump P103; the first heavy component directly enters the first heavy phase receiving tank V101, and the system of the deacidification and deodorizing system 200 has a vacuum of 10 to 100 Pa.
- the first heavy component in the first heavy phase receiving tank V101 is pumped into the first reheat unit via the feed pump P102, that is, the first reheater H104 is heated to 220 ° C, and then enters the first molecular distiller in the first distillation unit.
- H105 uniformly distributed on the evaporation surface by the distributor built in the first molecular distiller H105, the temperature of the evaporation surface is 230 ° C, and the second light component is cooled to 30 ° C through the built-in condenser of the first molecular distiller H105, and flows in.
- the second light phase receiving tank V104 is discharged through the material pump P105; the second heavy component directly enters the second heavy phase receiving tank V103, and the system of the decolorizing system 300 has a vacuum of 0.5 to 1 Pa.
- the second heavy component in the second heavy phase receiving tank V103 is pumped into the second reheat unit via the feed pump P104, that is, the second reheater H108 is heated to 230 ° C, and then enters the second molecular still in the second distillation unit.
- the temperature of the evaporation surface is 280 ° C
- the third light component is cooled to 30 ° C through the condenser built in the second molecular distiller H109, and flows into
- the third light phase receiving tank V106 is pumped into the temporary storage tank via the material pump P107; the third heavy component directly enters the third heavy phase receiving tank V105, and the system of the first refining system 400 has a vacuum of 0.5 to 1 Pa.
- the third heavy component in the third heavy phase receiving tank V105 is pumped into the third reheat unit via the feed pump P106, that is, the third reheater H111 is heated to 230 ° C, and then enters the third molecular still in the third distillation unit.
- the temperature of the evaporation surface is 300 ° C
- the fourth light component is cooled to 30 ° C through the condenser built in the third molecular distiller H112, and flows into
- the fourth light phase receiving tank V108 is pumped into the temporary storage tank via the material pump P109; the fourth heavy component directly enters the fourth heavy phase receiving tank V107, and the system of the second refining system 500 has a vacuum of 0.1 to 1 Pa.
- the fourth heavy component in the fourth heavy phase receiving tank V107 is pumped into the fourth reheat unit via the feed pump P108, that is, the fourth reheater H114 is heated to 230 ° C, and then enters the fourth molecular distiller in the fourth distillation unit.
- the third refining system 600 has a vacuum of 0.1 to 1 Pa.
- C16 0-palmitic acid
- C18 0-stearic acid
- C18 1-oleic acid
- C18 2-linoleic acid
- C18 3-linolenic acid.
- the fourth grade rice bran oil with a oryzanol content of 1.8% is preheated by the preheating unit, preheater H101, to the feedstock oil entering the system, and is heated to 190 ° C, and then enters the evaporation unit to evaporate the film.
- the H102 is uniformly clothed on the evaporation surface by the distributor built in the thin film evaporator H102, the temperature of the evaporation surface is 220 ° C, and the first light component is cooled to 45 ° C through the first condenser H103 in the first condensation unit, and flows into
- the first light phase receiving tank V102 is discharged through the material pump P103; the first heavy component directly enters the first heavy phase receiving tank V101, and the system of the deacidification and deodorizing system 200 has a vacuum of 10 to 100 Pa.
- the first heavy component in the first heavy phase receiving tank V101 is pumped into the first reheat unit via the feed pump P102, that is, the first reheater H104 is heated to 230 ° C, and then enters the first molecular still in the first distillation unit.
- H105 uniformly distributed on the evaporation surface by the distributor built in the first molecular distiller H105, the temperature of the evaporation surface is 260 ° C, and the second light component is cooled to 45 ° C through the built-in condenser of the first molecular distiller H105, and flows in.
- the second light phase receives the tank V104 and is discharged via the material pump P105; the second heavy component is straight
- the system enters the second heavy phase receiving tank V103, and the system of the decolorizing system 300 has a vacuum of 0.5 to 1 Pa.
- the second heavy component in the second heavy phase receiving tank V103 is pumped into the second reheat unit via the feed pump P104, that is, the second reheater H108 is heated to 260 ° C, and then enters the second molecular still in the second distillation unit. H109, uniformly distributed on the evaporation surface by the distributor built in the second molecular distiller H109, the temperature of the evaporation surface is 300 ° C, and the third light component is cooled to 45 ° C through the condenser built in the second molecular distiller H109, and flows in.
- the third light phase receiving tank V106 is pumped into the temporary storage tank via the material pump P107; the third heavy component directly enters the third heavy phase receiving tank V105, and the system of the first refining system 400 has a vacuum of 0.5 to 1 Pa.
- the third heavy component in the third heavy phase receiving tank V105 is pumped into the third reheat unit via the feed pump P106, that is, the third reheater H111 is heated to 260 ° C, and then enters the third molecular distiller in the third distillation unit. H112, uniformly distributed on the evaporation surface by the distributor built in the third molecular distiller H112, the temperature of the evaporation surface is 310 ° C, and the fourth light component is cooled to 45 ° C through the condenser built in the third molecular distiller H112, and flows in.
- the fourth light phase receiving tank V108 is pumped into the temporary storage tank via the material pump P109; the fourth heavy component directly enters the fourth heavy phase receiving tank V107, and the system of the second refining system 500 has a vacuum of 0.1 to 1 Pa.
- the fourth heavy component in the fourth heavy phase receiving tank V107 is pumped into the fourth reheat unit via the feed pump P108, that is, the fourth reheater H114 is heated to 260 ° C, and then enters the fourth molecular distiller in the fourth distillation unit. H115, uniformly distributed on the evaporation surface by the distributor built in the fourth molecular distiller H115, the temperature of the evaporation surface is 318 ° C, and the fifth light component is cooled to 45 ° C by the condenser built in the fourth molecular distiller H115.
- the fifth light phase receiving tank V110 is pumped into the temporary storage tank via the material pump P111; the fifth heavy component directly enters the fifth heavy phase receiving tank V109, and the system of the third refining system 600 has a vacuum of 0.1 to 1 Pa.
- C16 0-palmitic acid
- C18 0-stearic acid
- C18 1-oleic acid
- C18 2-linoleic acid
- C18 3-linolenic acid.
- the 4th grade rice bran oil with 2% oryzanol content is preheated by the preheating unit, preheater H101, to the feedstock oil entering the system, and the temperature is raised to 175 °C, and then enters the evaporation unit, ie, thin film evaporation.
- the H102 is uniformly clothed on the evaporation surface by the distributor built in the thin film evaporator H102, the temperature of the evaporation surface is 210 ° C, and the first light component is cooled to 38 ° C through the first condenser H103 in the first condensation unit, and flows into
- the first light phase receiving tank V102 is discharged through the material pump P103; the first heavy component directly enters the first heavy phase receiving tank V101, and the system of the deacidification and deodorizing system 200 has a vacuum of 10 to 100 Pa.
- the first heavy component in the first heavy phase receiving tank V101 is pumped into the first reheat unit via the feed pump P102, that is, the first reheater H104 is heated to 225 ° C, and then enters the first molecular distiller in the first distillation unit.
- H105 uniformly distributed on the evaporation surface by the distributor built in the first molecular distiller H105, the temperature of the evaporation surface is 245 ° C, and the second light component is cooled to 38 ° C through the built-in condenser of the first molecular distiller H105, and flows in.
- the second light phase receiving tank V104 is discharged through the material pump P105; the second heavy component directly enters the second heavy phase receiving tank V103, and the system of the decolorizing system 300 has a vacuum of 0.5 to 1 Pa.
- the second heavy component in the second heavy phase receiving tank V103 is pumped into the second reheat unit via the feed pump P104, that is, the second reheater H108 is heated to 245 ° C, and then enters the second molecular still in the second distillation unit. H109, uniformly distributed on the evaporation surface by the distributor built in the second molecular distiller H109, the temperature of the evaporation surface is 290 ° C, and the third light component is cooled to 38 ° C through the condenser built in the second molecular distiller H109, and flows in.
- the third light phase receiving tank V106 is pumped into the temporary storage tank via the material pump P107; the third heavy component directly enters the third heavy phase receiving tank V105, and the system of the first refining system 400 has a vacuum of 0.5 to 1 Pa.
- the third heavy component in the third heavy phase receiving tank V105 is pumped into the third reheat unit via the feed pump P106, that is, the third reheater H111 is heated to 245 ° C, and then enters the third molecular distiller in the third distillation unit. H112, uniformly distributed on the evaporation surface by the distributor built in the third molecular distiller H112, the temperature of the evaporation surface is 305 ° C, and the fourth light component is cooled to 38 ° C through the condenser built in the third molecular distiller H112, and flows in.
- the fourth light phase receiving tank V108 is pumped into the temporary storage tank via the material pump P109; the fourth heavy component The substance directly enters the fourth heavy phase receiving tank V107, and the system of the second refining system 500 has a vacuum of 0.1 to 1 Pa.
- the fourth heavy component in the fourth heavy phase receiving tank V107 is pumped into the fourth reheat unit via the feed pump P108, that is, the fourth reheater H114 is heated to 245 ° C, and then enters the fourth molecular distiller in the fourth distillation unit. H115, uniformly distributed on the evaporation surface by the distributor built in the fourth molecular distiller H115, the temperature of the evaporation surface is 314 ° C, and the fifth light component is cooled to 38 ° C by the condenser built in the fourth molecular distiller H115.
- the fifth light phase receiving tank V110 is pumped into the temporary storage tank via the material pump P111; the fifth heavy component directly enters the fifth heavy phase receiving tank V109, and the system of the third refining system 600 has a vacuum of 0.1 to 1 Pa.
- C16 0-palmitic acid
- C18 0-stearic acid
- C18 1-oleic acid
- C18 2-linoleic acid
- C18 3-linolenic acid.
- the refined rice bran oil in the rice bran oil accounts for 0.5-2.0% of the rice bran oil
- the fatty acid composition accounts for 16% of the fatty acid. ⁇ 27%, unsaturated fatty acids accounted for 63.5-85%.
- the oryzanol composition includes 24-methylenecyclo-bambolanol ferulate, methylene cyclo-bambolan ferulate, campester sterol ferulate, cyclobolinol ferulate, ⁇ -sterol Wei ester, cyclopropanol ferulate.
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Abstract
Description
Claims (20)
- 一种油脂提炼系统,其特征在于:包括,水循环系统,其包括冷冻水循环单元、热水循环单元以及常温水循环单元,所述冷冻水循环单元包括冷冻水设备和冷冻水管路,所述热水循环单元包括热水设备和热水管路,所述常温水循环单元包括常温水管路;脱酸脱臭系统,其包括预热单元、蒸发单元、第一冷凝单元、第一导热油管路和第二导热油管路;以及,脱色系统,其包括第一再热单元、第一蒸馏单元、第二冷凝单元、第三导热油管路和第四导热油管路;冷冻水设备将冷冻水分配至第一冷冻水管路、第二冷冻水管路和第三冷冻水管路,其中,所述第一冷冻水管路的冷冻水经第一换热装置与第一热水管路进入第一换热装置的热水进行热交换后回到所述冷冻水设备进行循环利用;所述第二冷冻水管路的冷冻水经所述第一冷凝单元将其内部的、提炼过程中产生的气体冷凝后回到所述冷冻水设备进行循环利用;所述第三冷冻水管路的冷冻水经所述第二冷凝单元将其内部的、提炼过程中产生的气体冷凝后回到所述冷冻水设备进行循环利用;热水设备将热水分配至第一热水管路、第二热水管路、第三热水管路和第四热水管路,其中,所述第一热水管路的热水经第一换热装置与所述第一冷冻水管路进入第一换热装置的冷冻水进行热交换后回到所述热水设备进行循环利用;所述第二热水管路的热水经所述第二冷凝单元将其内部经常温水冷凝生成的固体物质熔化变为液体排出后回到所述热水设备进行循环利用;所述第三热水管路的热水经所述第一蒸馏单元与所述第一蒸馏单元内部蒸馏得到的第一轻组分物质换热后回到所述热水设备进行循环利用;所述第四热水管路的热水经所述第一冷凝单元将其内部经常温水冷凝生成的固体物质熔化变为液体排出后回到所述热水设备进行循环利用;常温水管路包括第一常温水管路、第二常温水管路、第三常温水管路、第四常温水管路、第五常温水管路和常温水回路,其中,所述第一常温水管路的常温水进入所述热水设备为所述热水循环单元补水;所述第二常温水管路的常温水经所述蒸发单元后回到所述常温水回路;所述第三常温水管路的常温水经所述第一冷凝单元后回到所述常温水回路;所述第四常温水管路的常温水经所 述第一蒸馏单元后回到所述常温水回路;所述第五常温水管路的常温水经所述第二冷凝单元后回到所述常温水回路;第一导热油管路的导热油经所述预热单元,对原料油进行预热,完成热交换的导热油流回到导热油炉中;第二导热油管路的导热油经所述蒸发单元,使其内部的物料升温,完成热交换的导热油流回到导热油炉中;第三导热油管路的导热油经所述第一再热器,对原料油进行再加热,完成热交换的导热油流回到导热油炉中;第四导热油管路的导热油经所述第一蒸馏单元,使其内部的物料升温,完成热交换的导热油流回到导热油炉中;原料油经所述预热单元预热后进入所述蒸发单元区分得到第一轻组分物质和第一重组分物质,而后所述第一轻组分物质进入所述第一冷凝单元,所述第一重组分物质进入所述第一再热器加热后经所述第一蒸馏单元区分得到第二轻组分物质和第二重组分物质,而后所述第二轻组分物质中未冷凝气体进入所述第二冷凝单元。
- 根据权利要求1所述的油脂提炼系统,其特征在于:还包括,第一精制系统,其包括第二再热单元、第二蒸馏单元、第三冷凝单元、第五导热油管路和第六导热油管路;冷冻水设备还将冷冻水分配至第四冷冻水管路,其中,所述第四冷冻水管路的冷冻水经所述第三冷凝单元将其内部的、提炼过程中产生的气体冷凝后回到所述冷冻水设备进行循环利用;热水设备还将热水分配至第五热水管路,其中,所述第五热水管路的热水经所述第二蒸馏单元与所述第二蒸馏单元内部蒸馏得到的第二轻组分物质换热后回到所述热水设备进行循环利用;常温水管路还包括第六常温水管路,其中,所述第六常温水管路的常温水经所述第二蒸馏单元后回到所述常温水回路;第五导热油管路的导热油经所述第二再热单元,对物料进行再加热,完成热交换的导热油流回到导热油炉中;第六导热油管路的导热油经所述第二蒸馏单元,使其内部的物料升温,完成热交换的导热油流回到导热油炉中;第二重组分物质进入所述第二再热单元加热后经所述第二蒸馏单元区分得到第三轻组分物质和第三重组分物质,而后所述第三轻组分物质中未冷凝的气体进入所述第三冷凝单元。
- 根据权利要求2所述的油脂提炼系统,其特征在于:还包括,第二精制系统,其包括第三再热器、第三蒸馏单元、第四冷凝单元、第七导热油管路和第八导热油管路;冷冻水设备还将冷冻水分配至第五冷冻水管路,其中,所述第五冷冻水管路的冷冻水经所述第四冷凝单元将其内部的、提炼过程中产生的气体冷凝后回到所述冷冻水设备进行循环利用;热水设备还将热水分配至第六热水管路,其中,所述第六热水管路的热水经所述第三蒸馏单元与所述第三蒸馏单元内部蒸馏得到的第三轻组分物质换热后回到所述热水设备进行循环利用;常温水管路还包括第七常温水管路,其中,所述第七常温水管路的常温水经所述第三蒸馏单元后回到所述常温水回路;第七导热油管路的导热油经所述第三再热器,对物料进行再加热,完成热交换的导热油流回到导热油炉中;第八导热油管路的导热油经所述第三蒸馏单元,使其内部的物料升温,完成热交换的导热油流回到导热油炉中;第三重组分物质进入所述第三再热器加热后经所述第三蒸馏单元区分得到第四轻组分物质和第四重组分物质,而后所述第四轻组分物质中的未冷凝气体进入所述第四冷凝单元。
- 根据权利要求3所述的油脂提炼系统,其特征在于:还包括,第三精制系统,其包括第四再热器、第四蒸馏单元、第五冷凝单元、第九导热油管路和第十导热油管路;冷冻水设备还将冷冻水分配至第六冷冻水管路,其中,所述第六冷冻水管路的冷冻水经所述第五冷凝单元将其内部的、提炼过程中产生的气体冷凝后回到所述冷冻水设备进行循环利用;热水设备还将热水分配至第七热水管路,其中,所述第七热水管路的热水经所述第四蒸馏单元与所述第四蒸馏单元内部蒸馏得到的第四轻组分物质换热后回到所述热水设备进行循环利用;常温水管路还包括第八常温水管路和第九常温水管路,其中,所述第八常温水管路的常温水经所述第四蒸馏单元后回到所述常温水回路;所述第九常温水管路的常温水经所述第二换热装置后回到所述常温水回路;第九导热油管路的导热油经所述第四再热器,对物料进行再加热,完成热 交换的导热油流回到导热油炉中;第十导热油管路的导热油经所述第四蒸馏单元,使其内部的物料升温,完成热交换的导热油流回到导热油炉中;第四重组分物质进入所述第四再热器加热后经所述第四蒸馏单元区分得到第五轻组分物质和第五重组分物质,而后所述第五轻组分物质中的未冷凝气体进入所述第五冷凝单元。
- 根据权利要求4所述的油脂提炼系统,其特征在于:所述脱酸脱臭系统还包括第一真空装置,其与所述第一冷凝单元相连接;所述脱色系统还包括第二真空装置,其与所述第二冷凝单元相连接;所述第一精制系统还包括第三真空装置,其与所述第三冷凝单元相连接;所述第二精制系统还包括第四真空装置,其与所述第四冷凝单元相连接;所述第三精制系统还包括第五真空装置,其与所述第五冷凝单元相连接。
- 根据权利要求1~5任一所述的油脂提炼系统,其特征在于:所述冷冻水设备包括冷冻水罐、冷冻机组和内循环冷冻水管路,所述冷冻水罐上设置有补水端和回水端,外界水自所述补水端进入所述冷冻水罐,而后通过内循环冷冻水管路经所述冷冻机组对冷冻水罐内的水进行制冷。
- 根据权利要求6所述的油脂提炼系统,其特征在于:所述蒸发单元包括薄膜蒸发器和第一重相接收罐,第二导热油管路的导热油进入所述薄膜蒸发器,使其内部的物料升温,完成热交换的导热油流回到导热油炉中,而原料油经所述蒸发单元区分得到第一重组分物质和第一轻组分物质,而后所述第一重组分物质进入所述第一重相接收罐。
- 根据权利要求7所述的油脂提炼系统,其特征在于:所述第一冷凝单元包括第一冷凝器、第一冷阱和第一轻相接收罐,所述第一冷阱和所述第一冷凝器相连通,对所述第一冷凝器起到增强冷凝的作用,此时,第三常温水管路区分为第三常温水管路第一支路和第三常温水管路第二支路,所述第三常温水管路第一支路的常温水进入所述第一冷凝器后,将原料油经所述蒸发单元区分得到第一轻组分物质换热冷凝为液体进入所述第一轻相接收罐后,回到所述常温水回路;所述第三常温水管路第二支路的常温水经所述第一冷阱后回到所述常温水回路;第四热水管路的热水经所述第一冷凝器将其内部经常温水冷凝生成的固体物质熔化变为液体排出后回到热水设备进行循环利用;第二冷冻水管路的冷冻水经第一冷阱将其内部的、提炼过程中产生的气体冷凝后回到冷冻水设 备进行循环利用。
- 根据权利要求8所述的油脂提炼系统,其特征在于:所述第一蒸馏单元包括第一分子蒸馏器、第二重相接收罐和第二轻相接收罐,第四导热油管路的导热油进入所述第一分子蒸馏器,使其内部的物料升温,完成热交换的导热油流回到导热油炉中,而原料油经所述蒸馏单元区分得到第二重组分物质和第二轻组分物质,分别进入所述第二重相接收罐和第二轻相接收罐。
- 根据权利要求9所述的油脂提炼系统,其特征在于:所述油脂提炼系统还包括,自控系统,其包括压缩空气管路;设置于第一冷冻水管路上的、换热装置之前的第一气动调节阀;设置于所述热水设备上的第一传感温度计;设置于第一导热油管路上的、预热单元之前的第二气动调节阀;设置于预热单元上的第二传感温度计;设置于第二导热油管路上的、蒸发单元之前的第三气动调节阀;设置于蒸发单元上的第三传感温度计;设置于第三导热油管路上的、第一再热单元之前的第四气动调节阀;设置于第一再热单元上的第四传感温度计;设置于第四导热油管路上的、第一蒸馏单元之前的第五气动调节阀;设置于第一蒸馏单元上的第五传感温度计;所述压缩空气管路分别与第一气动调节阀、第二气动调节阀、第三气动调节阀、第四气动调节阀和第五气动调节阀相连接,上述气动调节阀皆通过所述压缩空气管路中的压缩空气来启动;第一传感温度计、第二传感温度计、第三传感温度计、第四传感温度计和第五传感温度计能够发出信号,由控制装置汇总后按预设程序对第一气动调节阀、第二气动调节阀、第三气动调节阀、第四气动调节阀和第五气动调节阀发出控制指令,调节冷冻水和/或导热油的流量,从而达到控制温度的目的。
- 一种利用如权利要求4~10任一所述的油脂提炼系统的米糠油精制方法,其特征在于,包括:步骤一,将四级米糠油或脱蜡、脱胶米糠油经预热单元升温到160~190℃,然后进入蒸发单元,经蒸发单元内置的布料器均匀布料于蒸发面,蒸发面的温度在190~220℃,第一轻组分物质经第一冷凝单元降温到5~25℃,流入第一轻相接收罐,第一重组分物质直接进入第一重相接收罐,脱酸脱臭系统的真空度在10~100Pa;步骤二,将第一步所述第一重相接收罐中的物料经第一再热单元升温到 220~230℃,然后进入第一蒸馏单元,经第一蒸馏单元内置的布料器均匀布料于蒸发面,蒸发面的温度在230~260℃,第二轻组分物质经第一蒸馏单元内置的冷凝器降温到30~45℃,流入第二轻相接收罐,第二重组分物质直接进入第二重相接收罐,脱色系统的真空度在0.5~1Pa;步骤三,第一精制工艺:所述第二重相接收罐中的物料经第二再热单元升温到230~260℃,然后进入第二蒸馏单元进行精制,物料经第二蒸馏单元内置的布料器均匀布料于蒸发面,蒸发面的温度在280~300℃,第三轻组分物质经第二蒸馏单元内置的冷凝器降温到30~45℃,流入第三轻相接收罐,第三重组分物质直接进入第三重相接收罐,第一精制系统的真空度在0.5~1Pa;步骤四,第二精制工艺,将所述第三重相接收罐中的物料经第三再热单元升温至230~260℃,然后进入第三蒸馏单元进行精制,物料经第三蒸馏单元内置的布料器均匀布料于蒸发面,蒸发面的温度在300~310℃,第四轻组分物质经第三蒸馏单元内置的冷凝器降温到30~45℃,流入第四轻相接收罐,第四重组分物质直接进入第四重相接收罐,第二精制系统的真空度在0.1~1Pa;步骤五,第三精制工艺,将所述第四重相接收罐中的物料经第四再热单元升温至230~260℃,然后进入第四蒸馏单元进行精制,物料经第四蒸馏单元内置的布料器均匀布料于蒸发面,蒸发面的温度在310~318℃,第五轻组分物质经第四蒸馏单元内置的冷凝器降温到30~45℃,流入第五轻相接收罐,第五重组分物质直接进入第五重相接收罐,第三精制系统的真空度在0.1~1Pa;步骤六,将所述第三轻相接收罐和/或第四轻相接收罐和/或第五轻相接收罐中的物料泵至冬化罐中,在搅拌状态下升温至32~35℃,然后进入结晶阶段,以1.5~2℃/h的降温速率降温到12℃~15℃,然后以0.3~0.5℃/h的降温速率降温到3℃,进入养晶阶段,并于3℃恒温养晶14h,之后进入冬化过滤机过滤,过滤压力≤0.2Mpa,冬化脱脂完毕即制得精制的米糠油。
- 根据权利要求11所述的米糠油精制方法,其特征在于,所述脱蜡、脱胶米糠油的脱蜡方法为:将毛米糠油经过滤后泵至冬化罐中,在搅拌状态下升温至75~80℃,然后进入结晶阶段,以2~4℃/h的降温速率降温到20~25℃,进入养晶阶段恒温养晶14h,之后进入冬化过滤机过滤后即得脱蜡油;所述脱蜡、脱胶米糠油的脱胶方法为:将毛米糠油加热到80~90℃,然后添加毛米糠油重0.05%~0.20%的质量百分比为80%~85%的磷酸或50%~55%的柠檬酸溶液,剧烈混合并滞留反应10~25min,再加入油重1%~10%的温度90~97℃的热水,充分混合5~20min后离心分离,将水相除去,脱胶后的油在30~300Pa的真空条件下脱水干燥后即得脱胶米糠油。
- 一种利用如权利要求11或12所述米糠油精制方法制得的米糠油,其特征在于:其中,谷维素所占米糠油质量百分比为0.5~2.0%,脂肪酸组成中饱和脂肪酸占16~27%、不饱和脂肪酸占63.5~85%。
- 如权利要求13所述的米糠油,其特征在于:所述谷维素组成包括24-亚甲基环木菠萝醇阿魏酸酯,亚甲基环木菠萝醇阿魏酸酯,菜油甾醇阿魏酸酯,环木菠萝醇阿魏酸酯,β-甾醇阿魏酸酯,环米糠醇阿魏酸酯。
- 如权利要求13所述的米糠油,其特征在于:所述饱和脂肪酸为棕榈酸和硬脂酸。
- 如权利要求13所述的米糠油,其特征在于:所述不饱和脂肪酸为油酸、亚油酸和亚麻酸。
- 如权利要求16所述的米糠油,其特征在于:所述油酸所占质量百分比为35~49%,亚油酸所占质量百分比为28~43%,亚麻酸所占质量百分比为0.5~3.0%。
- 如权利要求13~17任一所述的米糠油,其特征在于:其色泽按罗维朋比色计133.4毫米槽,红≤4.0,黄≤35。
- 如权利要求18所述的米糠油,其特征在于:其色泽按罗维朋比色计133.4毫米槽,1.4≤红≤3.2,15≤黄≤32。
- 如权利要求13所述的米糠油,其特征在于:谷维素所占米糠油质量百分比为1~2.0%。
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CN116254149B (zh) * | 2023-02-09 | 2023-10-27 | 江苏贤太太生物科技有限公司 | 一种利用水稻作物废弃米糠分离提取米糠油的生产工艺及炼油设备 |
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JP6355831B2 (ja) | 2018-07-11 |
CN104194929A (zh) | 2014-12-10 |
CN104194929B (zh) | 2016-07-13 |
US10233405B2 (en) | 2019-03-19 |
US20170166838A1 (en) | 2017-06-15 |
JP2017529435A (ja) | 2017-10-05 |
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