Extraction process method of animal grease

A technology of animal fat and extraction process, which is applied in the direction of fat oil/fat production, fat oil/fat refining, and fat oil/fatty acid recovery from waste, and can solve problems such as strong odor, unqualified fire protection, and low efficiency

Inactive Publication Date: 2015-05-13
CHANGSHA YUEDA GREASE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The environment of the oil processing workshop is poor, hot, humid, dirty, tired, and smelly;
[0004] 2. The moisture content and solid content of the finished oil are high, so it is not suitable for storage;
[0005] 3. It is easy to cause fire, and the

Method used

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  • Extraction process method of animal grease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Cut the raw materials of frozen goods into 0.8mm particles and enter the preheating tank through Jiaolong. After preheating at 100°C for 30 minutes to precipitate the oil, pump the precipitated oil into the melting tank under a negative pressure of 90Kpa. After heating to 90°C and extracting for 30 minutes, it enters the centrifuge for solid-liquid separation, and the separated primary liquid oil passes through the fine filter and enters the finished product tank for storage. The oil content of the separated solid material is 8% after being squeezed by the press, and the finished oil index is as follows: acid value 2.5mgKOH / g oil, moisture 0.5%, color is 6# color, peroxide value 1.5mmol / kg, and negative pressure and low temperature The gas extracted from the smelting tank under extraction is treated by environmental protection equipment and then discharged into the atmosphere. The air in the smelting workshop is fresh and has no peculiar smell.

Embodiment 2

[0032] Example 2, the fresh raw materials are minced to 0.8mm particles and then passed through Jiaolong into the preheating tank. After preheating at 100°C for 30 minutes, the precipitated oil is pumped into the melting tank and heated to 90Kpa under negative pressure. After extraction at 90°C for 30 minutes, it enters the centrifuge for solid-liquid separation, and the separated primary liquid oil passes through the fine filter and enters the finished product tank for storage. The oil content of the oil residue is 8% after being squeezed by the press. The finished oil index is as follows: acid value 2.6mgKOH / g oil, water content 0.4%, color 6#, peroxide value 1.4mmol / kg. And the gas extracted from the smelting tank under negative pressure and low temperature extraction is discharged into the atmosphere after being treated by the environmental protection agency, and the air in the smelting workshop is fresh and has no peculiar smell.

Embodiment 3

[0033] Example 3: Cut the raw materials of frozen goods into pieces and grind them into 0.5mm particles, and then enter the preheating tank through Jiaolong. After preheating at 90°C for 40 minutes, the precipitated oil is pumped into the melting tank under a negative pressure of 85Kpa , heated to 115°C, extracted for 20 minutes, then enters the centrifuge for solid-liquid separation, and the separated primary liquid oil passes through the fine filter and enters the finished product tank for storage. The oil content of the oil residue is 7% after being squeezed by the press. The finished oil index is as follows: acid value 2.2mgKOH / g oil, water content 0.6%, color 6#, peroxide value 1.5mmol / kg. And the gas extracted from the smelting tank under negative pressure and low temperature extraction is discharged into the atmosphere after being treated by environmental protection equipment, and the air in the smelting workshop is fresh and has no peculiar smell.

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Abstract

The invention discloses an extraction process method of animal grease. The extraction method comprises the following steps: a, getting the raw materials of the animal grease, and mincing the raw materials; b, preheating the minced raw materials till the oil plants are separated out; c, putting the separated oil plants in a low-temperature and negative-pressure environment, and extracting the oil plants; d, performing a solid-liquid separation of the extracted oil plants, and taking the separated liquid oil plants as an extraction finished product of the raw material grease, and storing the product. By adopting the extraction method, a traditional production mode is broken and a negative-pressure low-temperature extraction method is adopted, so that the produced oil product is low in acid value with a clear and lustrous colour and easy to store without foreign smell in the production process, and can be continuously produced and an environmental-protection and low-energy-consumption effect can be achieved.

Description

technical field [0001] The invention relates to the field of oil processing, in particular to an animal oil extraction process. Background technique [0002] The traditional animal fat processing is mostly based on high-temperature fire refining, and the main problems are: [0003] 1. The environment of the oil processing workshop is poor, hot, humid, dirty, tired, and smelly; [0004] 2. The moisture content and solid content of the finished oil are high, so it is not suitable for storage; [0005] 3. It is easy to cause fire, and the fire protection is unqualified; [0006] 4. The processing is intermittent operation, with low efficiency and high energy consumption; [0007] 5. Workers have high labor intensity, poor working environment and heavy environmental pollution. [0008] At present, low-carbon environmental protection has become a major purpose of oil production enterprises. Contents of the invention [0009] The purpose of the present invention is to solve...

Claims

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Application Information

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IPC IPC(8): C11B1/02C11B1/10C11B3/00C11B1/06
CPCC11B1/02C11B1/10C11B3/001C11B13/02
Inventor 黄斌刘锋黄立云吕胜明
Owner CHANGSHA YUEDA GREASE CO LTD
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