Alkali refining and deacidification equipment for rapeseed oil production

By designing a rapeseed oil alkali refining and deacidification device that includes a tank, a stirring motor, and a detachable filter element, the problems of low filtration efficiency and cumbersome filter element replacement in traditional equipment have been solved, realizing continuous production and improving oil utilization in the rapeseed oil extraction process.

CN224442346UActive Publication Date: 2026-07-03HAINAN AUSKA INT GRAIN & OIL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAINAN AUSKA INT GRAIN & OIL CO LTD
Filing Date
2025-08-06
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional rapeseed oil alkali refining and deacidification equipment has low filtration efficiency, requires shutdown to disassemble and clean the filter element, which is cumbersome. Moreover, it is difficult to completely remove residual oil residue when replacing the filter element, resulting in low equipment utilization and oil waste.

Method used

Design an alkali refining deacidification device that includes a tank, a stirring motor, a stirring rod, a heating system, and a removable filter element. The filtered oil is pumped back to achieve continuous production, and the filter element replacement is simplified by a threaded slag storage pipe, avoiding downtime.

Benefits of technology

It improves the production continuity of rapeseed oil extraction, reduces oil waste, and increases equipment and oil utilization rates.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an alkali refining and deacidification device for rapeseed oil production, comprising a barrel body, a stirring motor mounted on the barrel body, a stirring rod mounted inside the barrel body, and the stirring motor driving the stirring rod. A discharge port for material and slag is located at the bottom of the barrel body, and a filter device is mounted on the discharge port. The filter device is connected to the feed inlet at the top of the barrel body via a pipe, and a pump is mounted on the pipe. A slag storage pipe is threadedly connected to the bottom of the filter element shell. When replacing the filter element, only the ball valve at the slag discharge port needs to be closed, the slag discharge valve opened to clean the slag, and the slag storage pipe unscrewed; there is no need to stop the machine or empty the barrel. The filter element can be directly installed and removed from the installation port, shortening the operation time and significantly improving production continuity. The pump returns the filtered oil to the barrel for further reaction, reducing residual oil waste and improving oil utilization.
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Description

Technical Field

[0001] This utility model belongs to the field of rapeseed oil processing technology, specifically relating to an alkali refining and deacidification device for rapeseed oil production. Background Technology

[0002] In the refining process of vegetable oils such as rapeseed oil, alkali refining and deacidification is a key step used to neutralize free fatty acids in the oil. Traditional alkali refining and deacidification equipment has the following problems:

[0003] Low filtration efficiency: After deacidification, the oil residue needs to be removed from the machine to clean the filter element, which is cumbersome and interrupts production, reducing equipment utilization. For example, a rapeseed oil distillation deacidification device with publication (announcement) number CN222139044U.

[0004] Furthermore, residual oil sludge is difficult to completely remove when replacing filters in some equipment, resulting in oil waste and the risk of cross-contamination. The discharged residue may also contain a small amount of oil that cannot be reused. Utility Model Content

[0005] The purpose of this invention is to provide an alkali refining and deacidification device for rapeseed oil production, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an alkali refining and deacidification device for rapeseed oil production, comprising a barrel body, a stirring motor mounted on the barrel body, a stirring rod mounted inside the barrel body, the stirring motor driving and connecting the stirring rod, a discharge port for material and slag removal at the bottom of the barrel body, a filter device mounted on the discharge port for material and slag removal, the filter device being connected to the feed inlet at the top of the barrel body via a pipe, and a pump mounted on the pipe.

[0007] Preferably, the filtration device includes a filter housing, and a filter element is disposed inside the filter housing.

[0008] Preferably, the bottom of the filter element shell is connected to a slag storage pipe, the bottom of the slag storage pipe is provided with a slag discharge port, and a slag discharge valve is provided on the slag discharge port.

[0009] Preferably, the bottom of the filter element shell is provided with a filter element mounting port, the filter element mounting port is provided with threads, and the upper end of the slag storage tube is screwed into the filter element mounting port.

[0010] Preferably, the slag storage pipe is provided with an external hexagonal plate.

[0011] Preferably, a heating layer is provided on the outside of the barrel, a heating box is provided at the bottom of the barrel, the heating box is connected to the heating layer, and a heating rod is provided inside the heating box.

[0012] Preferably, an insulation layer is provided on the outside of the heating layer.

[0013] The technical effects and advantages of this utility model are as follows: the heating rod in the heating box heats the water, and the high-temperature water circulates to the heating layer of the barrel, so as to achieve uniform and gentle heating of the material, avoid local overheating and coking, the heat preservation layer reduces heat loss, reduces energy consumption, and makes the deacidification reaction more complete and stable.

[0014] The bottom of the filter element housing is connected to the slag storage pipe via a thread. When replacing the filter element, simply close the slag discharge ball valve, open the slag discharge valve to clean the slag, and then unscrew the slag storage pipe. There is no need to stop the machine or empty the tank. The filter element can be directly installed and removed from the filter element installation port, which shortens the operation time and greatly improves the continuity of production.

[0015] The pump returns the filtered oil to the tank for further reaction, reducing residual oil waste and improving oil utilization. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the filter device structure of this utility model;

[0019] Figure 4 This is a cross-sectional structural diagram of the filtration device of this utility model.

[0020] In the diagram: 1. Barrel body; 2. Heating layer; 3. Insulation layer; 4. Stirring motor; 6. Heating box; 7. Heating rod; 8. Slag discharge port; 9. Filtration device; 91. Filter element shell; 92. Filter element; 93. Slag storage pipe; 94. Slag discharge port; 95. Slag discharge valve; 10. Pump; 11. Pipeline; 12. Stirring rod. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] This utility model provides, for example Figure 1-4The apparatus shown is an alkali refining and deacidification device for rapeseed oil production, comprising a barrel 1, a stirring motor 4 mounted on the barrel 1, and a stirring rod 12 mounted inside the barrel 1. The stirring motor 4 drives the stirring rod 12 to stir the interior of the barrel 1. A heating layer 2 is mounted on the outside of the barrel 1, and a heating box 6 is mounted at the bottom of the barrel 1, which is connected to the heating layer 2. A heating rod 7 is mounted inside the heating box 6, and water is introduced into the heating box 6. The heated water enters the heating layer 2 to heat the interior of the barrel 1. A drain outlet is provided at the top of the heating layer 2 for drainage, achieving continuous high-temperature water heating. An insulation layer 3 is provided on the outside of the heating layer 2 for heat preservation.

[0023] The bottom of the barrel 1 is provided with a discharge port 8, and a ball valve is provided on the discharge port 8. The lower end of the discharge port 8 is connected to the filter device 9 through a flange. The filter device 9 is connected to the upper feed port of the barrel 1 through a pipe 11. A pump 10 is provided on the pipe 11. The filtered oil is pumped back to the barrel 1 through the pump 10 to improve the utilization rate.

[0024] As an embodiment of this application, such as Figure 3 and Figure 4 As shown, the filter device 9 includes a filter housing 91, a filter element 92 is installed inside the filter housing 91, a slag storage pipe 93 is connected to the bottom of the filter housing 91, a slag discharge port 94 is provided at the bottom of the slag storage pipe 93, a slag discharge valve 95 is provided on the slag discharge port 94, a filter element installation port is provided at the bottom of the filter housing 91, and the filter element installation port is threaded. The upper end of the slag storage pipe 93 is screwed into the filter element installation port. When replacing the filter element 92, close the ball valve on the slag discharge port 8, open the slag discharge valve 95 to discharge the impurities inside the slag storage pipe 93, then unscrew the slag storage pipe 93, remove the old filter element from the filter element installation port at the bottom of the filter housing 91, replace it with a new filter element, and install the slag storage pipe 93. Then open the ball valve to continue using it, which is very convenient.

[0025] Specifically, an external hexagonal plate is installed on the slag storage pipe 93 to facilitate the use of tools to disassemble and replace the filter element 92.

[0026] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A rapeseed oil production alkali refining deacidification device, comprising a barrel body (1), a stirring motor (4) is arranged on the barrel body (1), a stirring rod (12) is arranged in the barrel body (1), and the stirring motor (4) is drivingly connected with the stirring rod (12), characterized in that: The bottom of the barrel (1) is provided with a discharge port (8), and a filter device (9) is provided on the discharge port (8). The filter device (9) is connected to the upper feed port of the barrel (1) through a pipe (11), and a pump (10) is provided on the pipe (11). ​ 2. A device for producing alkali refined deacidified rapeseed oil according to claim 1, characterized in that: The filtration device (9) includes a filter housing (91) and a filter element (92) is disposed inside the filter housing (91).

3. A device for producing alkali refined deacidified rapeseed oil according to claim 2, characterized in that: The bottom of the filter element shell (91) is connected to the slag storage pipe (93), and the bottom of the slag storage pipe (93) is provided with a slag discharge port (94), and a slag discharge valve (95) is provided on the slag discharge port (94).

4. A device for producing alkali refined deacidified rapeseed oil according to claim 3, characterized in that: The bottom of the filter element housing (91) is provided with a filter element installation port, which is threaded, and the upper end of the slag storage tube (93) is screwed into the filter element installation port.

5. A device for producing alkali refined deacidified rapeseed oil according to claim 3, characterized in that: The slag storage pipe (93) is provided with an external hexagonal plate.

6. A device for producing alkali refined deacidified rapeseed oil according to claim 1, characterized in that: A heating layer (2) is provided on the outside of the barrel (1), a heating box (6) is provided at the bottom of the barrel (1), the heating box (6) is connected to the heating layer (2), and a heating rod (7) is provided inside the heating box (6).

7. A device for producing alkali refined deacidified rapeseed oil according to claim 6, characterized in that: An insulation layer (3) is provided on the outside of the heating layer (2).