Cottonseed oil extraction solvent purification and recovery device

Abstract

The utility model relates to solvent purification recovery technical field, propose a kind of cottonseed oil extraction solvent purification recovery device, it include: extraction bucket;Heat insulation shell, fixedly installed on the outside wall of extraction bucket;Electric heater, install in the middle of extraction bucket and heat insulation shell;Stirring mechanism, install on extraction bucket;Feeding component, set up on extraction bucket;Mounting bracket, set up in one side of extraction bucket;Cyclone, fixedly installed on mounting bracket;Connecting component, set up on extraction bucket;First gas delivery component, set up in the middle of extraction bucket and cyclone, and extraction bucket and cyclone are connected by first gas delivery component between;Through mounting bracket and cyclone, microfine solid particles can be separated from airflow, thereby the purity and recovery efficiency of solvent can be significantly improved, while reducing cost and improving the reliability and adaptability of equipment, and also can prevent the situation of pipeline blockage caused by later.

Description

Technical Field

[0001] This utility model relates to the field of solvent purification and recovery technology, specifically to a device for purifying and recovering solvents used in cottonseed oil extraction. Background Technology

[0002] Cottonseed oil is a vegetable oil processed from cotton seeds. It has both nutritional and industrial application value. The cottonseed oil extraction solvent purification and recovery device is mainly used for the recycling of solvents in the cottonseed oil production process. Its core is to separate the solvent and oil through physical or chemical methods and recover the solvent for reuse, while ensuring the purity of the oil.

[0003] Chinese Utility Model Publication CN216604132U discloses a solvent recovery device for cottonseed protein extraction equipment, comprising an extraction tank, a heating chamber, a flash evaporation tank, and a filter chamber. A liquid pump is connected to the top of the extraction tank via a conduit, and the output of the liquid pump is connected to the heating chamber via a water pipe. One side of the heating chamber is connected to the top of the flash evaporation tank via a conduit, and a booster pump is connected to the bottom side of the flash evaporation tank via a conduit. A centrifugal mechanism is installed inside the extraction tank. This utility model, through the coordinated action of the extraction tank, heating chamber, flash evaporation tank, filter chamber, centrifugal mechanism, second filter plate, first screening screen, second screening screen, U-shaped condenser tube, and first filter plate, not only collects the useful components from the solvent but also effectively filters impurities, resulting in a purer solvent. This allows the recovered solvent to be reused in the next extraction, saving resources and achieving economic benefits.

[0004] However, the above-mentioned solution has the following problems when implementing the relevant technology: it cannot effectively remove impurities in the gas, and fine particles will follow the airflow through the filter screen and cannot be separated, thus affecting the purity and quality of the final product. Secondly, the existing technology cannot detect the liquid level when in use, which can easily lead to overflow during feeding. Utility Model Content

[0005] This invention proposes a cottonseed oil extraction solvent purification and recovery device, which solves the problems in related technologies where impurities in the gas cannot be effectively removed, fine particles can pass through the filter screen with the airflow and cannot be separated, thus affecting the purity and quality of the final product. Secondly, existing technologies cannot detect the liquid level during use, which can easily lead to overflow during feeding.

[0006] The technical solution of this utility model is as follows: A cottonseed oil extraction solvent purification and recovery device, comprising:

[0007] Extraction tank;

[0008] A heat insulation shell is fixedly installed on the outer wall of the extraction tank;

[0009] An electric heater is installed between the extraction tank and the heat insulation shell;

[0010] A stirring mechanism is installed on the extraction tank;

[0011] The feeding assembly is mounted on the extraction tank;

[0012] A mounting bracket is provided on one side of the extraction tank;

[0013] A cyclone separator is fixedly mounted on the mounting bracket;

[0014] A connecting component is provided on the extraction tank;

[0015] A first gas delivery assembly is disposed between the extraction tank and the cyclone separator, and the extraction tank and the cyclone separator are connected through the first gas delivery assembly;

[0016] A flash evaporator is located in front of the feeding assembly;

[0017] The second gas delivery assembly is mounted on the mounting frame, and the cyclone separator and the flash tank are connected through the second gas delivery assembly;

[0018] A filter assembly is disposed on one side of the flash tank;

[0019] A first infusion assembly is disposed on the filter assembly, and the filter assembly and the flash tank are connected through the first infusion assembly;

[0020] A liquid level detection component is disposed on the outer wall of the heat insulation shell, and one end of the liquid level detection component extends to the inner side of the extraction tank.

[0021] Preferably, the second infusion assembly is disposed on the connecting frame outside the heat insulation shell, and the extraction tank and the feeding assembly are connected through the second infusion assembly.

[0022] Preferably, the second infusion assembly includes:

[0023] A delivery pump is fixedly installed on a connecting frame on the outer wall of the heat insulation shell;

[0024] The extraction tube is fixedly connected to the input end of the delivery pump, and the other end of the delivery pump is connected to the extraction tank;

[0025] The conveying pipe is fixedly connected to the output end of the conveying pump, and the other end of the conveying pump is connected to the feeding assembly.

[0026] Preferably, the feeding assembly includes:

[0027] A feed hopper is fixedly installed through the extraction tank;

[0028] A filter screen is provided on the inner side of the feed hopper;

[0029] The L-shaped frame is fixedly installed on the outer side wall of the feed hopper;

[0030] A cover plate is disposed above the feed hopper, and one end of the cover plate is connected to the L-shaped frame by a pin.

[0031] Preferably, the liquid level detection component includes:

[0032] Two fixing brackets are provided, and the two fixing brackets are symmetrically fixedly installed on the outer side wall of the heat insulation shell;

[0033] Two connecting blocks are provided, and the two connecting blocks are respectively located in the middle of the two fixing frames;

[0034] A steel wire rope is fixedly installed on the top of the connecting block;

[0035] An I-beam frame is fixedly installed on top of the fixed frame;

[0036] A fixed pulley is rotatably mounted on the inner side wall of the I-beam frame;

[0037] A floating plate is disposed inside the extraction tank, and the other end of the steel wire rope passes through the fixed pulley and the round hole on the extraction tank and is fixedly connected to the floating plate;

[0038] Two pairs of pressure sensors are provided, and the two pairs of pressure sensors are respectively fixedly installed on the transverse sections of the two fixing frames.

[0039] Preferably, the floating plate is annular, and multiple floating blocks are fixedly installed in a circular array at the bottom of the floating plate.

[0040] Preferably, the first gas delivery assembly includes:

[0041] The fan is fixedly installed on a U-shaped frame on one side of the mounting bracket;

[0042] An exhaust pipe is fixedly connected to the input end of the fan, and the other end of the exhaust pipe is connected to the connecting assembly.

[0043] An air supply pipe is fixedly connected to the output end of the blower, and the other end of the air supply pipe is connected to the air inlet end of the cyclone separator.

[0044] Preferably, the connection component includes:

[0045] Two inverted L-shaped rods are provided, and the two inverted L-shaped rods are symmetrically and fixedly installed through the extraction tank;

[0046] The three-way connector is fixedly installed on the two inverted L-shaped rods, and the end of the exhaust pipe away from the fan is connected to the three-way connector.

[0047] The working principle and beneficial effects of this utility model are as follows:

[0048] 1. By using a mounting frame and cyclone separator, fine solid particles can be separated from the airflow, which can significantly improve the purity and recovery efficiency of the solvent, while reducing costs and improving the reliability and adaptability of the equipment, and also prevent subsequent pipeline blockage.

[0049] 2. The liquid level detection component on the heat insulation shell can detect the liquid level in the extraction tank, which helps to detect changes in liquid level in a timely manner, avoid overflow during feeding, and ensure the stable operation of the purification and recovery process. Attached Figure Description

[0050] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0051] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model;

[0052] Figure 2 This invention provides a structural schematic diagram of the second infusion assembly;

[0053] Figure 3 A cross-sectional view of the extraction tank is provided for this utility model.

[0054] Figure 4 This invention provides a schematic diagram of the structure of a liquid level detection component.

[0055] Figure 5 A structural schematic diagram of the fixing frame is provided for this utility model;

[0056] Figure 6 A schematic diagram of the plug-in post is provided for this utility model.

[0057] In the diagram: 1. Extraction tank; 2. Insulation shell; 3. Electric heater; 4. Stirring mechanism;

[0058] Feeding assembly; 51. Feed hopper; 52. Filter screen; 53. L-shaped frame; 54. Cover plate;

[0059] 7. Mounting bracket; cyclone separator;

[0060] 8. Connecting components; 81. Inverted L-shaped rod; 82. T-connector;

[0061] 9. First gas delivery assembly; 91. Fan; 92. Extraction pipe; 93. Gas delivery pipe;

[0062] 10. Flash evaporator; 11. Second gas delivery assembly; 12. Filtration assembly; 13. First infusion assembly;

[0063] 14. Liquid level detection assembly; 1401. Fixing frame; 1402. Connecting block; 1403. Steel wire rope; 1404. I-beam frame; 1405. Fixed pulley; 1406. Float plate; 1407. Pressure sensor;

[0064] 15. Second infusion assembly; 1501. Transfer pump; 1502. Extraction tube; 1503. Transfer tube. Detailed Implementation

[0065] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model. Example

[0066] Please see Figure 1 - Figure 6 A cottonseed oil extraction solvent purification and recovery device includes: an extraction tank 1; a heat insulation shell 2, fixedly installed on the outer wall of the extraction tank 1; an electric heater 3, installed between the extraction tank 1 and the heat insulation shell 2; a stirring mechanism 4, installed on the extraction tank 1; a feeding assembly 5, disposed on the extraction tank 1; a mounting frame 6, disposed on one side of the extraction tank 1; a cyclone separator 7, fixedly installed on the mounting frame 6; a connecting assembly 8, disposed on the extraction tank 1; and a first gas conveying assembly 9, disposed between the extraction tank 1 and the cyclone separator 7, wherein the extraction tank 1 and the cyclone separator 7 are connected by a first gas conveying assembly 9. A gas delivery assembly 9 is connected to the flash evaporator 10, which is located in front of the feed assembly 5; a second gas delivery assembly 11 is located on the mounting frame 6, and the cyclone separator 7 is connected to the flash evaporator 10 through the second gas delivery assembly 11; a filter assembly 12 is located on one side of the flash evaporator 10; a first liquid delivery assembly 13 is located on the filter assembly 12, and the filter assembly 12 is connected to the flash evaporator 10 through the first liquid delivery assembly 13; a liquid level detection assembly 14 is located on the outer wall of the heat insulation shell 2, and one end of the liquid level detection assembly 14 extends to the inner side of the extraction tank 1.

[0067] This utility model provides a cottonseed oil extraction solvent purification and recovery device. In use, the extraction solvent is added to the extraction tank 1 via the feeding component 5. The liquid level detection component 14 manually monitors the solvent level in the extraction tank 1 to prevent overflow. The solvent in the extraction tank 1 is then heated by the electric heater 3. Next, the first gas delivery component 9 is activated, which, in conjunction with the connecting component 8, delivers steam to the cyclone separator 7 for centrifugal separation. Then, the second gas delivery component 11 delivers the separated gas to the flash evaporator 10. The gas undergoes secondary filtration through a screen in the flash evaporator 10. Afterward, liquid nitrogen on the bottom wall of the flash evaporator 10 condenses and liquefies the gas entering the condenser. Finally, the first liquid delivery component 13 is activated, allowing the condensed gas to enter the filter component 12 for further filtration, resulting in a purer solvent. This allows the recovered solvent to be reused in the next extraction, saving energy and resources.

[0068] Furthermore, the feeding assembly 5 includes:

[0069] The feed hopper 51 is fixedly installed through the extraction tank 1;

[0070] The filter screen 52 is located inside the feed hopper 51;

[0071] L-shaped frame 53 is fixedly installed on the outer wall of feed hopper 51;

[0072] The cover plate 54 is positioned above the feed hopper 51, and one end of the cover plate 54 is connected to the L-shaped frame 53 by a pin.

[0073] Specifically, the solvent is fed into the extraction tank 1 through the feed hopper 51. As it enters, the solvent is initially filtered by the filter screen 52. Then, when the electric heater 3 heats the solvent in the extraction tank 1, the cover plate 54 connected by the pin on the L-shaped frame 53 is closed, thereby sealing the opening at the top of the feed hopper 51 and preventing the steam generated after heating from being discharged from the feed hopper 51.

[0074] Furthermore, the liquid level detection component 14 includes:

[0075] There are two fixing brackets 1401, which are symmetrically fixedly installed on the outer side wall of the heat insulation shell 2.

[0076] There are two connecting blocks 1402, and the two connecting blocks 1402 are respectively located in the middle of the two fixing brackets 1401;

[0077] Steel wire rope 1403 is fixedly installed on the top of connecting block 1402;

[0078] I-beam 1404 is fixedly installed on top of the fixed frame 1401;

[0079] Fixed pulley 1405 is rotatably mounted on the inner side wall of I-beam frame 1404;

[0080] A floating plate 1406 is set inside the extraction tank 1, and the other end of the steel wire rope 1403 passes through the fixed pulley 1405 and the round hole on the extraction tank 1 and is fixedly connected to the floating plate 1406.

[0081] Two pairs of pressure sensors 1407 are provided, and the two pairs of pressure sensors 1407 are fixedly installed on the transverse sections of the two fixing brackets 1401 respectively.

[0082] Specifically, when solvent enters the extraction tank 1, the floating plate 1406 floats with the solvent, and then the connecting block 1402 at the other end of the wire rope 1403 descends stably in the fixed frame 1401. When the bottom of the fixed frame 1401 contacts the pressure sensor 1407 on the inner bottom wall of the fixed frame 1401, the pressure sensor 1407 immediately inputs the pressure signal to the external control device, and the external buzzer at the inlet immediately sounds a horn, thereby reminding the staff to stop feeding and avoid overflow.

[0083] Furthermore, the floating plate 1406 is annular, and multiple floating blocks are fixedly installed in a circular array at the bottom of the floating plate 1406.

[0084] Specifically, the floating plate 1406 is annular to avoid affecting the rotation and stirring of the stirring mechanism 4. Then, through the multiple floating blocks at the bottom of the floating plate 1406, the floating effect of the floating plate 1406 can be improved.

[0085] Furthermore, the first gas delivery assembly 9 includes:

[0086] Fan 91 is fixedly installed on a U-shaped frame on one side of mounting bracket 6;

[0087] The exhaust pipe 92 is fixedly connected to the input end of the fan 91, and the other end of the exhaust pipe 92 is connected to the connecting assembly 8.

[0088] The air supply pipe 93 is fixedly connected to the output end of the fan 91, and the other end of the air supply pipe 93 is connected to the air inlet end of the cyclone separator 7.

[0089] Specifically, the steam in the extraction tank 1 can be extracted by the blower 91, the extraction pipe 92 and the connecting component 8, and then, with the cooperation of the gas supply pipe 93, the extracted steam can enter the cyclone separator 7 for centrifugal separation.

[0090] Additionally, it should be noted that the structural parts of the second gas delivery assembly 11 are the same as those of the first gas delivery assembly 9, so they will not be described in detail.

[0091] Furthermore, the connection component 8 includes:

[0092] Two inverted L-shaped rods 81 are provided, and the two inverted L-shaped rods 81 are symmetrically and fixedly installed on the extraction tank 1;

[0093] The three-way connector 82 is fixedly installed on the two inverted L-shaped rods 81, and the end of the exhaust pipe 92 away from the fan 91 is connected to the three-way connector 82.

[0094] Specifically, by using the L-shaped rod 81 and the three-way connector 82, the extraction area of ​​the first gas delivery assembly 9 can be increased, thereby improving the recovery efficiency. Example

[0095] Based on Embodiment 1, in this embodiment: the second infusion assembly 15 is disposed on the connecting frame on the outside of the heat insulation shell 2, and the extraction tank 1 and the feeding assembly 5 are connected through the second infusion assembly 15. The second infusion assembly 15 includes: a delivery pump 1501, which is fixedly installed on the connecting frame on the outer wall of the heat insulation shell 2; an extraction tube 1502, which is fixedly connected to the input end of the delivery pump 1501, and the other end of the delivery pump 1501 is connected to the extraction tank 1; and a delivery tube 1503, which is fixedly connected to the output end of the delivery pump 1501, and the other end of the delivery pump 1501 is connected to the feeding assembly 5.

[0096] The technical solution provided in this embodiment is as follows: the solvent in the lower part of the extraction tank 1 is extracted by the delivery pump 1501 and the extraction pipe 1502, and then the solvent re-enters the feeding assembly 5 through the delivery pipe 1503, and flows into the extraction tank 1 again from the feeding assembly 5, thereby enabling the solvent to be circulated and evaporated for purification, which further improves the heating and purification effect of the solvent.

[0097] Additionally, it should be noted that the structural components of the first infusion assembly 13 are the same as those of the second infusion assembly 15, so they will not be described in detail.

[0098] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A device for purifying and recovering solvents in cottonseed oil extraction, characterized in that, include: Extraction tank (1); A heat insulation shell (2) is fixedly installed on the outer wall of the extraction tank (1); An electric heater (3) is installed between the extraction tank (1) and the heat insulation shell (2); A stirring mechanism (4) is installed on the extraction tank (1); The feeding assembly (5) is disposed on the extraction tank (1); Mounting bracket (6) is provided on one side of the extraction tank (1); Cyclone separator (7) is fixedly installed on the mounting bracket (6); A connecting component (8) is disposed on the extraction tank (1); The first gas delivery assembly (9) is located between the extraction tank (1) and the cyclone separator (7), and the extraction tank (1) and the cyclone separator (7) are connected through the first gas delivery assembly (9). A flash evaporator (10) is disposed in front of the feed assembly (5); The second gas delivery assembly (11) is disposed on the mounting bracket (6), and the cyclone separator (7) is connected to the flash tank (10) through the second gas delivery assembly (11); A filter assembly (12) is disposed on one side of the flash tank (10); The first infusion assembly (13) is disposed on the filter assembly (12), and the filter assembly (12) and the flash tank (10) are connected through the first infusion assembly (13); A liquid level detection component (14) is disposed on the outer wall of the heat insulation shell (2), and one end of the liquid level detection component (14) extends to the inner side of the extraction tank (1).

2. The cottonseed oil extraction solvent purification and recovery device according to claim 1, characterized in that, Also includes: The second infusion assembly (15) is mounted on the connecting frame outside the heat insulation shell (2), and the extraction tank (1) and the feeding assembly (5) are connected through the second infusion assembly (15).

3. The cottonseed oil extraction solvent purification and recovery device according to claim 2, characterized in that, The second infusion assembly (15) includes: The delivery pump (1501) is fixedly installed on the connecting frame on the outer side wall of the heat insulation shell (2); The extraction tube (1502) is fixedly connected to the input end of the delivery pump (1501), and the other end of the delivery pump (1501) is connected to the extraction tank (1); The conveying pipe (1503) is fixedly connected to the output end of the conveying pump (1501), and the other end of the conveying pump (1501) is connected to the feeding assembly (5).

4. The cottonseed oil extraction solvent purification and recovery device according to claim 1, characterized in that: The feeding assembly (5) includes: The feed hopper (51) is fixedly installed through the extraction tank (1); A filter screen (52) is disposed on the inner side of the feed hopper (51); The L-shaped frame (53) is fixedly installed on the outer side wall of the feed hopper (51); A cover plate (54) is disposed above the feed hopper (51), and one end of the cover plate (54) is pin-connected to the L-shaped frame (53).

5. The cottonseed oil extraction solvent purification and recovery device according to claim 1, characterized in that: The liquid level detection component (14) includes: There are two fixing brackets (1401), and the two fixing brackets (1401) are symmetrically fixedly installed on the outer side wall of the heat insulation shell (2); There are two connecting blocks (1402), and the two connecting blocks (1402) are respectively disposed between the two fixing frames (1401); A steel wire rope (1403) is fixedly installed on the top of the connecting block (1402); An I-beam frame (1404) is fixedly installed on top of the fixed frame (1401); A fixed pulley (1405) is rotatably mounted on the inner wall of the I-beam frame (1404); A floating plate (1406) is disposed inside the extraction tank (1), and the other end of the steel wire rope (1403) passes through the fixed pulley (1405) and the round hole on the extraction tank (1) and is fixedly connected to the floating plate (1406). Two pairs of pressure sensors (1407) are provided, and the two pairs of pressure sensors (1407) are respectively fixedly installed on the transverse sections of the two fixing brackets (1401).

6. The cottonseed oil extraction solvent purification and recovery device according to claim 5, characterized in that: The floating plate (1406) is annular, and multiple floating blocks are fixedly installed in a circular array at the bottom of the floating plate (1406).

7. The cottonseed oil extraction solvent purification and recovery device according to claim 1, characterized in that: The first gas delivery assembly (9) includes: The fan (91) is fixedly installed on a U-shaped frame on one side of the mounting bracket (6); An exhaust pipe (92) is fixedly connected to the input end of the fan (91), and the other end of the exhaust pipe (92) is connected to the connecting assembly (8); An air supply pipe (93) is fixedly connected to the output end of the blower (91), and the other end of the air supply pipe (93) is connected to the air inlet end of the cyclone separator (7).

8. The cottonseed oil extraction solvent purification and recovery device according to claim 7, characterized in that: The connection component (8) includes: Two inverted L-shaped rods (81) are provided, and the two inverted L-shaped rods (81) are symmetrically and fixedly installed on the extraction tank (1); The three-way connector (82) is fixedly installed on the two inverted L-shaped rods (81), and the end of the exhaust pipe (92) away from the fan (91) is connected to the three-way connector (82).

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