CN218710255U - A high-efficiency separation device for waste oil fatty acid methyl ester - Google Patents

Abstract

The utility model discloses a high-efficiency separation device for fatty acid methyl esters of waste oil, which belongs to the technical field of chemical separation devices and comprises a storage tank, a reaction kettle, a glycerin storage tank and a filter. The storage tank is connected with a feeding pump through a first pipeline. The feed pump is connected to the reactor through the second pipeline, and the bottom of the reactor is connected to a discharge pipeline, the glycerin storage tank is connected to the discharge pipeline through the first discharge pump, and the filter is connected to the discharge pipeline through the second discharge pump. There is a visual mirror on the material pipeline, the filter is connected to the reactor through the circulation pump, and the reactor is connected to the filling pipe. The utility model can efficiently separate the fatty acid methyl ester in the gutter oil, can separate the stratified glycerin and fatty acid methyl ester in the kettle, and set a vacuum insulation pipeline to reduce heat loss, and the steam in the reaction kettle returns to the outside of the storage tank The first jacket can effectively use the steam heat to reduce heat waste; the infrared thermometer is installed on the reaction kettle, and the temperature measurement is timely and accurate.

Description

A high-efficiency separation device for fatty acid methyl ester of waste oil

technical field

The utility model belongs to the technical field of chemical separation devices, in particular to a high-efficiency separation device for fatty acid methyl esters of waste oil.

Background technique

Due to the rise of the catering industry, people are indirectly producing a large amount of kitchen waste while enjoying delicious food. As a kind of kitchen waste, gutter oil is perishable, smelly and breeds microorganisms during transportation, which has caused serious harm to the environment and human body. while restricting urban development. Waste oil contains a large amount of unsaturated fatty acids. As an important chemical raw material, fatty acids are widely used in plasticizers, surfactants, daily chemicals, agricultural chemicals, etc. Therefore, the process of extracting fatty acids from waste oil is very important. At present, the usual method for the separation of fatty acids in waste oil treatment and separation technology is to add a catalyst to cause the oil to undergo a hydrolysis reaction, and then separate glycerin from fatty acid esters. However, the quality of the oil separated by the existing separation device is not good. Subsequent high-value production will bring difficulties.

Utility model content

Technical problem: In view of the above-mentioned problems in the prior art, the technical problem to be solved by the utility model is to provide a high-efficiency separation device for fatty acid methyl esters in waste oil to effectively separate fatty acid esters in waste oil.

Technical solution: In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows:

A high-efficiency separation device for fatty acid methyl esters of waste oil, comprising a storage tank, a reaction kettle, a glycerin storage tank and a filter, the storage tank is connected to a feed pump through a first pipeline, and the feed pump is connected to the feed pump through a second pipeline The reaction kettle is connected, the bottom of the reaction kettle is connected with a discharge pipeline, the glycerin storage tank is connected with the discharge pipeline through the first discharge pump, and the filter is connected with the discharge pipeline through the second discharge pump. The discharge pipe is connected with a sight glass, the filter is connected with the reactor through a circulation pump, and a filling pipe is connected with the reactor.

Preferably, a first discharge valve is provided on the discharge pipeline, a first regulating valve is provided between the first discharge pump and the discharge pipeline, and a first regulating valve is provided between the second discharge pump and the discharge pipeline. A second regulating valve is provided.

Preferably, stirring devices are respectively provided on the storage tank and the reaction kettle.

Preferably, a first jacket is provided on the storage tank, a steam discharge pipe is provided on the reaction kettle, and the steam discharge pipe is connected to the first jacket.

Preferably, the reaction kettle is provided with a second jacket, and the second jacket is used for circulating heat transfer oil.

Preferably, an infrared thermometer is provided on the reaction kettle.

Preferably, both the first pipeline and the second pipeline are vacuum insulation pipelines.

Beneficial effects: Compared with the prior art, the utility model has the following advantages: 1. Through the storage tank, the reaction kettle, the glycerin storage tank and the filter, the fatty acid methyl ester in the waste oil can be efficiently separated. A regulating valve and two discharge pumps can separate the stratified glycerin and fatty acid methyl ester in the kettle; 2. Set up a vacuum insulation pipeline to reduce heat loss, and set up a steam discharge pipeline to return the steam in the reactor to the outside of the storage tank The first jacket can effectively use the steam heat to reduce heat waste; 3. An infrared thermometer is installed on the reaction kettle to measure the temperature in a timely and accurate manner.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the utility model.

Detailed ways

Below in conjunction with specific examples, further illustrate the present invention, the examples are implemented under the premise of the technical solutions of the present invention, it should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in Figure 1, a kind of waste oil fatty acid methyl ester efficient separation device comprises storage tank 1, reaction kettle 2, glycerin storage tank 3 and filter 4, is provided with feeding pipe 16 and stirring device on the storage tank 1 15. The feeding pipe 16 is used to enter the waste oil raw material. The stirring device 15 adopts the existing motor to drive the stirring paddle. The waste oil is heated, and the waste oil in the storage tank 1 is stirred. The bottom of the storage tank 1 is connected with the inlet end of the feed pump 5 through the first pipeline 11, and the outlet end of the feed pump 5 is connected with the reaction tank through the second pipeline 12. The upper connection of the kettle 2, the first pipeline 11 and the second pipeline 12 all adopt existing vacuum insulation pipelines to reduce heat loss during transportation.

The reaction kettle 2 is provided with a second jacket 23, the second jacket 23 is used to circulate heat transfer oil, and the inner wall of the reaction kettle 2 is heated by the heat transfer oil to ensure the reaction temperature in the kettle. The reaction kettle 2 is equipped with an infrared Thermometer, the infrared thermometer is set on the upper end of the reactor 2 to measure the temperature in the reactor 2, the infrared thermometer is connected with the external temperature controller, which is convenient and accurate to adjust the reaction temperature in the reactor, and the reaction kettle 2 A filling pipe 24 is connected to add methanol to participate in the reaction in the kettle. A stirring device 15 is also provided on the reactor 2 to accelerate the reaction speed and improve the reaction efficiency. The bottom of the reactor 2 is connected with a discharge pipeline 21 for reaction. The final material is discharged from the reactor through the discharge pipe 21. The reactor 2 is provided with a steam discharge pipe 22, and the steam discharge pipe 22 is connected with the first jacket 13. Steam will be generated during the reaction in the reactor 2. The steam is connected to the first jacket 13 to insulate and heat the material storage tank 1, so that the steam can be used rationally and the waste of steam heat can be reduced.

The discharge pipeline 21 is provided with a first discharge valve 211 and a sight glass 9, the sight glass 9 is used to observe the type of material passing through the discharge pipeline 21, and the glycerin storage tank 3 is connected with the discharge pump 8 by the first discharge pump 8. The pipeline 21 is connected, and a first regulating valve 81 is arranged between the first discharge pump 8 and the discharge pipeline 21. By controlling the first discharge valve 211 and the first regulating valve 81, the material in the discharge pipeline 21 can be controlled to pass through, thereby The material is transported to the glycerin storage tank 3 through the first discharge pump 8 for storage, and the glycerin storage tank 3 is also connected to the glycerin pump 31 for pumping the glycerin in the glycerin storage tank 3 into other processes.

The filter 4 is connected to the discharge pipeline 21 through the second discharge pump 7, and a second regulating valve 71 is arranged between the second discharge pump 7 and the discharge pipeline 21. By controlling the first discharge valve 211 and the second regulation The valve 71 can control the passage of the material in the discharge pipeline 21, so that the material is transported to the filter 4 through the second discharge pump 7 for filtration, the fatty acid methyl ester flows out through the filter, and the filter 4 is connected to the reactor 2 through the circulation pump 6 , the remaining solid acid is transported back to the reactor 2 through the circulation pump 6.

After the gutter oil raw material is input into the storage tank 1, it is heated and stirred at 80° C. until it reaches a homogeneous and stable state. Then the raw materials are transported into the reactor 2. While adding the raw materials in the reaction kettle 2, add methanol, stir, and then heat the reaction kettle to ensure the reaction temperature, accelerate the reaction process of the fatty acid methyl ester, and then accelerate the discharging speed of the fatty acid methyl ester, and pass through the transesterification process of the reaction kettle 2 The final water vapor is discharged along the steam discharge pipe 22, and is delivered to the jacket of the storage tank 1. After the reaction, the still is divided into two phases. The upper layer is fatty acid methyl ester, and the lower layer is glycerin. First, the first discharge valve 211 and the first regulating valve 81 are opened, and the glycerin is transported to the top of the glycerin storage tank 3 through the first discharge pump 8 under pressure, and then extracted from the bottom of the glycerin storage tank 3 by the glycerin pump 31 , until the separation of glycerin is complete, then close the first regulating valve 81, open the second regulating valve 71, and pressurize the fatty acid methyl ester through the second discharge pump 7 into the adsorption filter 4, press filter and separate, and carry out fatty acid methyl ester Further purification and separation, the liquid fatty acid methyl ester flows out, and the remaining solid acid returns to the reactor 2 through the circulation pump 6.

The above are only preferred embodiments of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principles of the present utility model, and these improvements and modifications should also be made. It is regarded as the protection scope of the present utility model.

Claims (7)

1. The utility model provides a high-efficient separator of trench oil fatty acid methyl ester, a serial communication port, including storage tank (1), reation kettle (2), glycerine storage tank (3) and filter (4), storage tank (1) is connected with charge pump (5) through first pipeline (11), charge pump (5) through second pipeline (12) with reation kettle (2) are connected, reation kettle (2) bottom is connected with ejection of compact pipeline (21), glycerine storage tank (3) through first ejection of compact pump (8) with ejection of compact pipeline (21) are connected, filter (4) through second ejection of compact pump (7) with ejection of compact pipeline (21) are connected, be equipped with sight glass (9) on ejection of compact pipeline (21), filter (4) through circulating pump (6) with reation kettle (2) are connected, be connected with filling pipe (24) on reation kettle (2).

2. The efficient separation device for methyl fatty acid ester in illegal cooking oil according to claim 1, wherein a first discharge valve (211) is arranged on the discharge pipeline (21), a first regulating valve (81) is arranged between the first discharge pump (8) and the discharge pipeline (21), and a second regulating valve (71) is arranged between the second discharge pump (7) and the discharge pipeline (21).

3. The efficient separation device for methyl ester of illegal cooking oil fatty acid according to claim 1, wherein the storage tank (1) and the reaction kettle (2) are respectively provided with a stirring device (15).

4. The efficient separation device for methyl ester of fatty acid in illegal cooking oil according to claim 1, wherein a first jacket (13) is arranged on the storage tank (1), a steam discharge pipeline (22) is arranged on the reaction kettle (2), and the steam discharge pipeline (22) is connected with the first jacket (13).

5. The efficient separation device for methyl ester of illegal cooking oil fatty acid according to claim 1, wherein a second jacket (23) is arranged on the reaction kettle (2), and the second jacket (23) is used for circulating heat conducting oil.

6. The efficient separation device for methyl ester of fatty acid in illegal cooking oil according to claim 1, wherein an infrared thermometer is arranged on the reaction kettle (2).

7. The efficient separation device for methyl ester of fatty acid in illegal cooking oil of claim 1, wherein the first pipeline (11) and the second pipeline (12) are vacuum insulated pipelines.

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