CN115992030A - Refining process for preparing animal oil - Google Patents
Refining process for preparing animal oil Download PDFInfo
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- CN115992030A CN115992030A CN202211583318.8A CN202211583318A CN115992030A CN 115992030 A CN115992030 A CN 115992030A CN 202211583318 A CN202211583318 A CN 202211583318A CN 115992030 A CN115992030 A CN 115992030A
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- animal oil
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- 239000010775 animal oil Substances 0.000 title claims abstract description 61
- 238000007670 refining Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000010411 cooking Methods 0.000 claims abstract description 49
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000010257 thawing Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 167
- 238000005086 pumping Methods 0.000 claims description 30
- 239000010779 crude oil Substances 0.000 claims description 24
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 24
- 239000000194 fatty acid Substances 0.000 claims description 24
- 229930195729 fatty acid Natural products 0.000 claims description 24
- 150000004665 fatty acids Chemical class 0.000 claims description 24
- 230000001877 deodorizing effect Effects 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 21
- 239000004519 grease Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 238000006386 neutralization reaction Methods 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 12
- 239000004927 clay Substances 0.000 claims description 12
- 238000004042 decolorization Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 238000004332 deodorization Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000012267 brine Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002480 mineral oil Substances 0.000 claims description 6
- 235000010446 mineral oil Nutrition 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 238000005185 salting out Methods 0.000 claims description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 235000019198 oils Nutrition 0.000 description 128
- 235000013305 food Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012432 intermediate storage Methods 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 235000019737 Animal fat Nutrition 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 244000088415 Raphanus sativus Species 0.000 description 1
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 235000002597 Solanum melongena Nutrition 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000019605 sweet taste sensations Nutrition 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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- Fats And Perfumes (AREA)
Abstract
The invention belongs to the technical field of animal oil refining, and particularly relates to a refining process for preparing animal oil, which comprises the following specific steps: cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks of 3-5 mm, then placing the small blocks at normal temperature for thawing, and conveying the small blocks into the interior of a cooking device through vacuum for negative pressure cooking after the small blocks are completely thawed.
Description
Technical Field
The invention relates to the technical field of animal oil refining, in particular to a refining process for preparing animal oil.
Background
Animal oil, i.e. animal fat, is animal fat, which is generally derived from pigs, cows, fish, etc., and can be used for processing food to make the food fresh and fragrant. The Buddhism belongs to meat and vegetable products. With vegetable foods with larger oil, such as eggplants, radishes and the like, the vegetable foods have the sweet taste which is good for appetite, the flavor of meat, a large amount of calories and nutrients which are not contained in vegetable oil, and promote the nutrient absorption of human bodies on food materials, especially vitamins.
The current animal oil refining process has lower refining rate of grease, can not completely refine the oil in the grease, thereby causing waste, and the current refining process is complex, resulting in higher refining cost.
Disclosure of Invention
The invention aims to provide a refining process for preparing animal oil, which aims to solve the problems that the existing refining process for animal oil in the background technology has low refining rate for grease, can not completely refine the oil in the grease, so that waste is caused, and the existing refining process is complex, so that the refining cost is high.
In order to achieve the above purpose, the present invention provides the following technical solutions: a refining process for preparing animal oil comprises the following specific steps:
cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks with the size of 3-5 mm, then placing the small blocks at normal temperature for thawing, after the small blocks are completely thawed, conveying the small blocks into a cooking device through vacuum for negative pressure cooking, controlling the cooking temperature to be 100-140 ℃, controlling the cooking time to be 60-90 minutes, filtering and separating grease and oil residues after cooking, heating and repeatedly squeezing the oil residues again, further treating the internal grease to obtain crude oil, and filtering the crude oil to obtain the crude oil;
refining animal oil: pumping crude oil into a refining pot, adding brine or phosphoric acid solution to perform quick neutralization reaction, standing and precipitating by gravity for 4-6 hours, separating and removing oil residues, adding alkali liquor with a certain concentration into low acid value oil to perform acid-base neutralization, removing fatty acid in the oil, neutralizing acid-base to generate soapstock, salting out and separating oil and soapstock (or oil residues) in the soapstock, pumping the degummed and deacidified oil after water washing into a middle storage tank to perform decolorization, sucking the decolorized oil into the decolorizing pot to perform adsorption decolorization in a vacuum state, pumping the decolorized oil and clay mixed feed liquid into a vane filter to perform filtration, removing waste clay in the oil, and enabling the decolorized oil to enter a clear oil tank to perform deodorization; the deodorizing component is removed from the deodorizing oil in the deodorizing section; the deoiling oil is subjected to deodorization component removal in a deoiling section, air in the oil is removed in vacuum through the deoiling oil, the temperature is raised through an oil-oil heat exchanger by a pumping pump, the oil is heated to 240-265 ℃ through a mineral oil heater, fatty acid and odor components in the oil are removed from the top, the light phase component enters a fatty acid capturing section for direct heat exchange, low molecular organic matters are captured in a fatty acid circulating tank for circulating capture, the deodorized oil enters the oil-oil heat exchanger through a pumping pump at the bottom layer of the tower for heat exchange with the oil to be deodorized, the oil enters a cooler for cooling, and finally the oil is filtered through a polishing filter and enters a finished oil storage tank to obtain the finished oil.
Preferably, the pressure of filtration is controlled to be <4kg during cooking of the animal oil; smelting vacuum degree: -0.03 to-0.06 Mpa; the oil-water impurity of the finished product is less than 0.2 percent.
Preferably, in the process of decocting the animal oil, oil smoke is generated in the process of decocting under negative pressure, and the oil smoke is treated by a gas-liquid separation, condensation recovery and vacuum system and finally is adsorbed and discharged by tail gas.
Compared with the prior art, the invention has the beneficial effects that:
the animal oil refining process is simple in preparation process, oil residues obtained in the cooking process are processed again, animal oil can be obtained to the greatest extent, and oil smoke generated in the animal oil cooking process can be subjected to environment-friendly treatment, so that pollution to the environment is avoided, in the refining process, the process simplicity can be ensured, the quality of produced grease can be ensured, the preparation cost is saved, and the production quality is improved.
Drawings
FIG. 1 is a flow chart of a cooking process;
fig. 2 is a refining process flow diagram.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a refining process for preparing animal oil comprises the following specific steps:
cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks with the size of 3-5 mm, then placing the small blocks at normal temperature for thawing, after the small blocks are completely thawed, conveying the small blocks into a cooking device through vacuum for negative pressure cooking, controlling the cooking temperature to be 100-140 ℃, controlling the cooking time to be 60-90 minutes, filtering and separating grease and oil residues after cooking, heating and repeatedly squeezing the oil residues again, further treating the internal grease to obtain crude oil, and filtering the crude oil to obtain the crude oil;
refining animal oil: pumping crude oil into a refining pot, adding brine or phosphoric acid solution to perform quick neutralization reaction, standing and precipitating by gravity for 4-6 hours, separating and removing oil residues, adding alkali liquor with a certain concentration into low acid value oil to perform acid-base neutralization, removing fatty acid in the oil, neutralizing acid-base to generate soapstock, salting out and separating oil and soapstock (or oil residues) in the soapstock, pumping the degummed and deacidified oil after water washing into a middle storage tank to perform decolorization, sucking the decolorized oil into the decolorizing pot to perform adsorption decolorization in a vacuum state, pumping the decolorized oil and clay mixed feed liquid into a vane filter to perform filtration, removing waste clay in the oil, and enabling the decolorized oil to enter a clear oil tank to perform deodorization; the deodorizing component is removed from the deodorizing oil in the deodorizing section; the deoiling oil is subjected to deodorization component removal in a deoiling section, air in the oil is removed in vacuum through the deoiling oil, the temperature is raised through an oil-oil heat exchanger by a pumping pump, the oil is heated to 240-265 ℃ through a mineral oil heater, fatty acid and odor components in the oil are removed from the top, the light phase component enters a fatty acid capturing section for direct heat exchange, low molecular organic matters are captured in a fatty acid circulating tank for circulating capture, the deodorized oil enters the oil-oil heat exchanger through a pumping pump at the bottom layer of the tower for heat exchange with the oil to be deodorized, the oil enters a cooler for cooling, and finally the oil is filtered through a polishing filter and enters a finished oil storage tank to obtain the finished oil.
During the cooking of the animal oil, the pressure of filtration is controlled to be less than 4kg; smelting vacuum degree: -0.03 to-0.06 Mpa; the oil-water impurity of the finished product is less than 0.2 percent.
During the cooking process of the animal oil, oil smoke is generated during the negative pressure cooking, and the oil smoke is treated by a gas-liquid separation, condensation recovery and vacuum system and finally is adsorbed and discharged by tail gas.
Example 1:
the refining process for preparing the animal oil comprises the following specific steps:
cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks of 3 mm, then placing the small blocks at normal temperature for thawing, after the small blocks are completely thawed, conveying the small blocks into the interior of a cooking device through vacuum for negative pressure cooking, wherein the cooking temperature is controlled to be 100 ℃, the cooking time is controlled to be 60 minutes, filtering and separating grease and oil residues after cooking is finished, then heating and repeatedly squeezing the oil residues again, further treating the internal grease to obtain crude oil, and filtering the crude oil to obtain the crude oil;
refining animal oil: pumping crude oil into a refining pot, adding brine or phosphoric acid solution to perform quick neutralization reaction, standing and precipitating for 4 hours by gravity settling, separating and removing oil residues, adding alkali liquor with a certain concentration into low acid value oil to perform acid-base neutralization, removing fatty acid in the oil, performing acid-base neutralization to generate soapstock, separating oil and soapstock (or oil residues) in the soapstock by salting out, pumping the degummed deacidified oil after water washing into an intermediate storage tank to be decolorized, decolorizing the degummed and deacidified oil in a decolorizing section, sucking the decolorized oil into a decolorizing pot to perform adsorption decolorization under a vacuum state, pumping the decolorized oil and clay mixed material liquid into a blade filter to perform filtration, removing waste clay in the oil, and enabling the decolorized oil to enter a clean oil tank to be deodorized; the deodorizing component is removed from the deodorizing oil in the deodorizing section; the deoiling oil is subjected to odor component removal in a deoiling section, the oil to be deodorized is subjected to vacuum oil removal, then is pumped by a pumping pump to be heated by an oil-oil heat exchanger, is heated to 240 ℃ by a mineral oil heater, enters a deodorizing tower from the top, fatty acid and odor components in the oil are removed, the light phase component enters a fatty acid capturing section to directly exchange heat, the captured low molecular organic matters enter a fatty acid circulating tank to be circularly captured, the deodorized oil is pumped by a pumping pump from the bottom layer of the tower to enter the oil-oil heat exchanger to be deodorized, is subjected to heat exchange with the oil to be deodorized, then enters a cooler to be cooled, is filtered by a polishing filter, and enters a finished oil storage tank to obtain the finished oil;
example 2:
the refining process for preparing the animal oil comprises the following specific steps:
cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks with the size of 4 mm, then placing the small blocks at normal temperature for thawing, after the small blocks are completely thawed, conveying the small blocks into the interior of a cooking device through vacuum for negative pressure cooking, wherein the cooking temperature is controlled to be 120 ℃, the cooking time is controlled to be 75 minutes, after cooking, filtering and separating grease from oil residues, then heating and repeatedly squeezing the oil residues again, further treating the internal grease to obtain crude oil, and filtering the crude oil to obtain the crude oil;
refining animal oil: pumping crude oil into a refining pot, adding brine or phosphoric acid solution to perform quick neutralization reaction, standing and precipitating for 5 hours by gravity settling, separating and removing oil residues, adding alkali liquor with a certain concentration into low acid value oil to perform acid-base neutralization, removing fatty acid in the oil, performing acid-base neutralization to generate soapstock, separating oil and soapstock (or oil residues) in the soapstock by salting out, pumping the degummed deacidified oil after water washing into an intermediate storage tank to be decolorized, decolorizing the degummed and deacidified oil in a decolorizing section, sucking the decolorized oil into a decolorizing pot to perform adsorption decolorization under a vacuum state, pumping the decolorized oil and clay mixed material liquid into a blade filter to perform filtration, removing waste clay in the oil, and enabling the decolorized oil to enter a clean oil tank to be deodorized; the deodorizing component is removed from the deodorizing oil in the deodorizing section; the deoiling oil is subjected to odor component removal in a deoiling section, the oil to be deodorized is subjected to vacuum oil removal, then is pumped by a pumping pump to be heated by an oil-oil heat exchanger, is heated to 250 ℃ by a mineral oil heater, enters a deodorizing tower from the top, fatty acid and odor components in the oil are removed, the light phase component enters a fatty acid capturing section to directly exchange heat, the captured low molecular organic matters enter a fatty acid circulating tank to be circularly captured, the deodorized oil is pumped by a pumping pump from the bottom layer of the tower to enter the oil-oil heat exchanger to be deodorized, is subjected to heat exchange with the oil to be deodorized, then enters a cooler to be cooled, is filtered by a polishing filter, and enters a finished oil storage tank to obtain the finished oil;
example 3:
the refining process for preparing the animal oil comprises the following specific steps:
cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks with the size of 5 mm, then placing the small blocks at normal temperature for thawing, after the small blocks are completely thawed, conveying the small blocks into the interior of a cooking device through vacuum for negative pressure cooking, wherein the cooking temperature is controlled to be 140 ℃, the cooking time is controlled to be 90 minutes, filtering and separating grease and oil residues after cooking is finished, then heating and repeatedly squeezing the oil residues again, further treating the internal grease to obtain crude oil, and filtering the crude oil to obtain the crude oil;
refining animal oil: pumping crude oil into a refining pot, adding brine or phosphoric acid solution to perform quick neutralization reaction, standing and precipitating for 6 hours by gravity settling, separating and removing oil residues, adding alkali liquor with a certain concentration into low acid value oil to perform acid-base neutralization, removing fatty acid in the oil, performing acid-base neutralization to generate soapstock, separating oil and soapstock (or oil residues) in the soapstock by salting out, pumping the degummed deacidified oil after water washing into an intermediate storage tank to be decolorized, decolorizing the degummed and deacidified oil in a decolorizing section, sucking the decolorized oil into a decolorizing pot to perform adsorption decolorization under a vacuum state, pumping the decolorized oil and clay mixed material liquid into a blade filter to perform filtration, removing waste clay in the oil, and enabling the decolorized oil to enter a clean oil tank to be deodorized; the deodorizing component is removed from the deodorizing oil in the deodorizing section; the deoiling oil is subjected to deodorization component removal in a deoiling section, the oil to be deodorized is pumped by a pumping pump to be heated by an oil-oil heat exchanger after entering a gas separator for vacuum removal of air in the oil, then is heated to 265 ℃ by a mineral oil heater, enters a deodorizing tower from the top, fatty acid and odor components in the oil are removed, the light phase component enters a fatty acid capturing section for direct heat exchange, low molecular organic matters are captured and enter a fatty acid circulating tank for circulating capture, the deodorized oil is pumped by a pumping pump from the bottom layer of the tower to enter the oil-oil heat exchanger for heat exchange with the oil to be deodorized, then enters a cooler for cooling, and finally enters a finished oil storage tank after being filtered by a polishing filter, so as to obtain the finished oil.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A refining process for preparing animal oil is characterized by comprising the following specific steps of:
cooking animal oil: firstly unpacking animal oil, pouring the unpacked animal oil into a dicing device, cutting the unpacked animal oil into small blocks with the size of 3-5 mm, then placing the small blocks at normal temperature for thawing, after the small blocks are completely thawed, conveying the small blocks into a cooking device through vacuum for negative pressure cooking, controlling the cooking temperature to be 100-140 ℃, controlling the cooking time to be 60-90 minutes, filtering and separating grease and oil residues after cooking, heating and repeatedly squeezing the oil residues again, further treating the internal grease to obtain crude oil, and filtering the crude oil to obtain the crude oil;
refining animal oil: pumping crude oil into a refining pot, adding brine or phosphoric acid solution to perform quick neutralization reaction, standing and precipitating by gravity for 4-6 hours, separating and removing oil residues, adding alkali liquor with a certain concentration into low acid value oil to perform acid-base neutralization, removing fatty acid in the oil, neutralizing acid-base to generate soapstock, salting out and separating oil and soapstock (or oil residues) in the soapstock, pumping the degummed and deacidified oil after water washing into a middle storage tank to perform decolorization, sucking the decolorized oil into the decolorizing pot to perform adsorption decolorization in a vacuum state, pumping the decolorized oil and clay mixed feed liquid into a vane filter to perform filtration, removing waste clay in the oil, and enabling the decolorized oil to enter a clear oil tank to perform deodorization; the deodorizing component is removed from the deodorizing oil in the deodorizing section; the deoiling oil is subjected to deodorization component removal in a deoiling section, air in the oil is removed in vacuum through the deoiling oil, the temperature is raised through an oil-oil heat exchanger by a pumping pump, the oil is heated to 240-265 ℃ through a mineral oil heater, fatty acid and odor components in the oil are removed from the top, the light phase component enters a fatty acid capturing section for direct heat exchange, low molecular organic matters are captured in a fatty acid circulating tank for circulating capture, the deodorized oil enters the oil-oil heat exchanger through a pumping pump at the bottom layer of the tower for heat exchange with the oil to be deodorized, the oil enters a cooler for cooling, and finally the oil is filtered through a polishing filter and enters a finished oil storage tank to obtain the finished oil.
2. A process for preparing animal oil as claimed in claim 1, wherein: during the cooking of the animal oil, the pressure of filtration is controlled to be less than 4kg; smelting vacuum degree: -0.03 to-0.06 Mpa; the oil-water impurity of the finished product is less than 0.2 percent.
3. A process for preparing animal oil as claimed in claim 1, wherein: during the cooking process of the animal oil, oil smoke is generated during the negative pressure cooking, and the oil smoke is treated by a gas-liquid separation, condensation recovery and vacuum system and finally is adsorbed and discharged by tail gas.
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CN202211583318.8A CN115992030A (en) | 2022-12-09 | 2022-12-09 | Refining process for preparing animal oil |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116774748A (en) * | 2023-08-22 | 2023-09-19 | 山东创脂生物科技有限公司 | Temperature control method and system in edible animal fat refining process |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116774748A (en) * | 2023-08-22 | 2023-09-19 | 山东创脂生物科技有限公司 | Temperature control method and system in edible animal fat refining process |
CN116774748B (en) * | 2023-08-22 | 2023-11-14 | 山东创脂生物科技有限公司 | Temperature control method and system in edible animal fat refining process |
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Application publication date: 20230421 |