Vegetable oil refining system

Abstract

The utility model relates to a vegetable oil refining system, which comprises a drying tower, a drying tower, a heating device, a heating device and a control system, and is characterized in that the drying tower is used for drying vegetable oil flowing out from a neutralization section; the first conveying pump is connected with the drying tower and is used for conveying the dried vegetable oil in the drying tower; the heater is connected with an outlet of the first conveying pump and is used for heating the vegetable oil; and the vacuum desolventizing tower is connected with the outlet of the heater and is used for removing peculiar smell and peroxide value in the vegetable oil under a vacuum condition. According to the vegetable oil refining system disclosed by the utility model, the desolventizing tower is used, so that the operation of a motor in a physical section can be saved, the average power consumption per ton can be reduced by 2.15 KWH, and the energy is saved corresponding to the national policy of energy conservation and emission reduction; the production of a physical section is not influenced, the first-grade oil can be continuously processed and produced, and the daily production capacity can be increased by 700-800T.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vegetable oil processing, and particularly relates to a vegetable oil refining system. BACKGROUND

[0002] In the secondary or tertiary vegetable oil refining process, the vegetable oil produced by the neutralization process needs to be pumped into the physical decolorization section by a 18.5KW pump, and after stirring, it is delivered to the filter by a pump, enters the temporary storage tank, and is delivered to the deodorization section by a pump to be heated to 180℃, and the odor and peroxide value in the oil are removed by deodorization vacuum, and after filtration, it is delivered to the tank area by a delivery pump. In this process, a large amount of steam is consumed to ensure the vacuum degree, thus not only causing a large amount of energy waste, but also affecting the yield of the primary oil. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a vegetable oil refining system which saves energy and improves productivity.

[0004] To achieve the above-mentioned purpose, the vegetable oil refining system adopted by the utility model has the following technical scheme: the refining system comprises:

[0005] A drying tower is used to dry the vegetable oil flowing out of the neutralization section;

[0006] A first delivery pump is connected to the drying tower and used to deliver the dried vegetable oil in the drying tower;

[0007] A heater is connected to the outlet of the first delivery pump and used to heat the vegetable oil;

[0008] A vacuum desolventizing tower is connected to the outlet of the heater and used to remove the odor and peroxide value in the vegetable oil under vacuum conditions.

[0009] Preferably, the refining system comprises a heat exchanger used to heat and warm the vegetable oil, the first end of the heat exchanger is connected to the outlet of the first delivery pump, the second end of the heat exchanger is connected to the heater, the first end of the heat exchanger is in communication with the second end, the third end of the heat exchanger is connected to the bottom of the vacuum desolventizing tower, the fourth end of the heat exchanger is the discharge port, and the third end of the heat exchanger is in communication with the fourth end.

[0010] Preferably, the bottom of the vacuum desolventizing tower is connected to the third end of the heat exchanger through a second delivery pump.

[0011] Preferably, the vacuum desolventizing tower and the deodorization tower share a vacuum system, and the vacuum system is connected to the vacuum desolventizing tower through a pipeline with a valve.

[0012] Preferably, the vacuum desolventizing tower is provided with packing and steam inlet and outlet to remove the odor and peroxide value in the vegetable oil through the packing, vacuum and packing.

[0013] Preferably, the refining system is used for refining secondary oil or tertiary oil.

[0014] The plant oil refining system of the utility model, use desolventizing tower, can save physical section motor operation, ton average power consumption can reduce 2.15KWH, saved energy, corresponding national energy saving and emission reduction policy; do not affect the production of physical section, can continue to process and produce primary oil, daily capacity can produce 700~800T more. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following briefly introduces the drawing needed to be used in the embodiment.

[0016] Figure 1 It is the structure diagram of the plant oil refining system of the utility model. DETAILED DESCRIPTION

[0017] In order to more clearly describe the technical content of the utility model, the following further describes in combination with specific embodiments.

[0018] As Figure 1 The plant oil refining system of the utility model, use desolventizing tower, can save physical section motor operation, ton average power consumption can reduce 2.15KWH, saved energy, corresponding national energy saving and emission reduction policy; do not affect the production of physical section, can continue to process and produce primary oil, daily capacity can produce 700~800T more.

[0019] The vacuum desolventizing tower 5 is provided with packing and steam inlet and outlet to remove the odor and peroxide value in the vegetable oil through the packing, vacuum and packing.

[0020] The refining system includes heat exchanger 3 for heat exchange and temperature rise of vegetable oil, the first end of the heat exchanger 3 is connected with the outlet of the first conveying pump 2, the second end of the heat exchanger 3 is connected with the heater 4, the first end and the second end of the heat exchanger 3 are communicated, the third end of the heat exchanger 3 is connected with the bottom of the vacuum desolventizing tower 5, the fourth end of the heat exchanger 3 is the discharge port, and the third end and the fourth end of the heat exchanger 3 are communicated.

[0021] The plant oil refining system based on the utility model, the neutralization section plant oil is transported to the vacuum desolventizing tower by the first delivery pump after drying, the heat exchanger is used for heat exchange and temperature rise, then the heater is used for heating and temperature rise to 180 DEG C, the stripping steam is used for taking away the peculiar smell in the vacuum desolventizing tower, the filler is used for vacuum extraction and reducing the peroxide value in the oil, and the standard of refining secondary cooking oil is reached.

[0022] The bottom of the vacuum desolventizing tower 5 is connected with the third end of the heat exchanger 3 through the second delivery pump 6, the oil is delivered to the heat exchanger for heat exchange and temperature reduction, then is delivered to the oil outlet pipeline of the original neutralization section and is input into the tank area, and the qualified secondary plant oil is realized, low energy consumption and high efficiency are realized, and the policy of national energy saving and emission reduction is fully responded.

[0023] The vacuum desolventizing tower 5 shares a vacuum system with the deodorization tower, the vacuum system is connected with the vacuum desolventizing tower through a pipeline with a valve. The vacuum desolventizing tower can reduce energy consumption by using the vacuum system of the deodorization tower. When the physical section is started, the valve is opened, the required vacuum degree is reached, and other plant oils can be normally produced, and the yield is not affected. When the physical section is not started, the valve connected with the deodorization vacuum pipeline is closed, the vacuum desolventizing tower can be independently vacuumized by using a 7.5KW vacuum pump, and the required vacuum degree of the desolventizing tower can also be realized by using 135Kg / h steam assistance.

[0024] The utility model can save the procedure of oil entering the physical section, save the energy consumption of the physical section, and the newly added vacuum desolventizing tower can use the vacuum system of the physical section, and the physical process can continue to produce first-grade oil without affecting the physical production capacity.

[0025] In the plant oil refining system of the utility model, the pipeline and the surface of the equipment can be provided with an insulating layer.

[0026] In the above embodiment, the refining system is taken as an example of refining secondary oil, and the plant oil refining system of the utility model can also be used for refining tertiary oil.

[0027] The plant oil refining system of the utility model uses the desolventizing tower, can save the motor operation of the physical section, can reduce the energy consumption per ton by 2.15KWH, saves energy, and responds to the policy of national energy saving and emission reduction; the production of first-grade oil can be continuously processed without affecting the production of the physical section, and the daily production capacity can be increased by 700-800T.

[0028] In this specification, the utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the utility model. Therefore, the specification and drawings should be considered as illustrative rather than limiting.

Claims

1. A vegetable oil refining system, characterized in that, The refining system includes: Drying towers are used to dry the vegetable oil flowing out of the neutralization section; A first delivery pump is connected to the drying tower and is used to deliver the dried vegetable oil in the drying tower. A heater, connected to the outlet of the first delivery pump, is used to heat vegetable oil; The vacuum desolventizing tower, connected to the outlet of the heater, is used to remove odors and peroxide values ​​from vegetable oil under vacuum conditions.

2. The vegetable oil refining system according to claim 1, characterized in that, The refining system includes a heat exchanger for exchanging heat to heat the vegetable oil. The first end of the heat exchanger is connected to the outlet of the first delivery pump, the second end of the heat exchanger is connected to the heater, and the first and second ends of the heat exchanger are connected in communication. The third end of the heat exchanger is connected to the bottom of the vacuum desolvation tower, and the fourth end of the heat exchanger is a discharge port, and the third and fourth ends of the heat exchanger are connected in communication.

3. The vegetable oil refining system according to claim 2, characterized in that, The bottom of the vacuum desolvation tower is connected to the third end of the heat exchanger via a second delivery pump.

4. The vegetable oil refining system according to claim 1, characterized in that, The vacuum desolventizing tower and the deodorizing tower share a vacuum system, which is connected to the vacuum desolventizing tower via a pipe with a valve.

5. The vegetable oil refining system according to claim 1, characterized in that, The vacuum desolventizing tower is equipped with packing material and steam inlet and outlet to remove odors and peroxide values ​​from vegetable oil through packing material, vacuum, and the packing material itself.

6. The vegetable oil refining system according to claim 1, characterized in that, The refining system is used for refining grade II or grade III oil.

Images