A novel fatty acid stripping device

Abstract

The utility model relates to fatty acid stripping technical field discloses a kind of novel fatty acid stripping device, including: device main body, and set in the waste heat utilization mechanism of preheating when oil injection on device main body upper portion;Steam slow-flow mechanism, multiple groups of oil storage mechanism and steam supply mechanism installed in main body, the steam slow-flow mechanism is set between multiple groups of oil storage mechanism;Through the cooperation between waste heat utilization mechanism, steam slow-flow mechanism and oil storage mechanism, after concentrated steam into preheating cylinder by flow guide cowl, utilize multiple groups of current collector plate and heat exchange fin form heat exchange passage to increase steam residence time, so that steam waste heat preheats oil in injection pipe, realize heat recovery and utilization, improve energy utilization efficiency, reduce energy consumption, and steam slow-flow mechanism can play slow-flow effect to steam, make steam more evenly contact with fatty acid, improve stripping effect, to improve the efficiency of fatty acid stripping.

Description

Technical Field

[0001] This utility model relates to the field of fatty acid stripping technology, specifically a novel fatty acid stripping device. Background Technology

[0002] Physical refining deacidification, also known as stripping deacidification, is a method of removing free fatty acids from oils by heating them to a suitable temperature under high vacuum conditions and causing them to volatilize. Stripping deacidification utilizes the relative volatility of triglycerides and free fatty acids; the vapor pressure of free fatty acids is much higher than that of triglycerides. Steam distillation is performed under high temperature and high vacuum to remove free fatty acids. This method is particularly suitable for refining low-colloidal tropical oils (palm oil, coconut oil, etc.), animal fats (lard, etc.), and vegetable oils (soybean oil, rapeseed oil, peanut oil, sesame oil, sunflower oil, olive oil).

[0003] In the prior art, Chinese utility model application number CN202320180671.5 discloses an edible oil stripping deacidification device, including a deacidification device body and a condenser. The deacidification device body is equipped with a deacidification tank, and a heating mechanism is installed inside the deacidification tank. Although this oil stripping deacidification device collects free fatty acids that condense before reaching the condenser through a sludge discharge tank, it avoids free fatty acids flowing back into the oil and avoids reducing the working efficiency of the deacidification device.

[0004] The above technical solutions still have shortcomings: fatty acids still have a certain amount of residual heat after being discharged with steam. Directly discharging the steam with residual heat through the condenser fails to achieve the cascade utilization of energy, resulting in insufficient thermal energy utilization efficiency. Furthermore, the residence time of steam in the main body of the deacidification unit is relatively short, and the stripping efficiency of fatty acids needs to be further improved. Therefore, we need to propose a new type of fatty acid stripping device. Utility Model Content

[0005] The purpose of this invention is to provide a novel fatty acid stripping device that utilizes waste heat from steam to preheat oils before they enter the main body of the device, thereby improving the efficiency of heat energy utilization. Simultaneously, a slow-flow structure is incorporated to increase the time steam spends within the main body of the device, thereby increasing the efficiency of fatty acid entry into the gas phase and thus improving the efficiency of fatty acid stripping, thereby solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a novel fatty acid stripping device, comprising:

[0007] The main body of the device, and a waste heat utilization mechanism for preheating the grease during injection, which is installed above the main body of the device;

[0008] The device includes a steam slow-flow mechanism, multiple grease storage mechanisms, and a steam supply mechanism installed within the main body. The steam slow-flow mechanism is located between the multiple grease storage mechanisms, and the steam supply mechanism is located below the lowest grease storage mechanism. An oil discharge mechanism connected to the multiple grease storage mechanisms is provided on the outside of the main body of the device.

[0009] The waste heat utilization mechanism includes a cover set on the upper part of the main body of the device. A steam concentrator is provided in the middle of the upper surface of the cover. A preheating cylinder is provided at one end of the steam concentrator. An oil injection pipe is inserted into the preheating cylinder and passes through the cover. Multiple sets of flow collectors are provided in the inner cavity of the preheating cylinder. Heat exchange fins are provided on the outside of the oil injection pipe, which are alternately arranged with the multiple sets of flow collectors.

[0010] Preferably, a heat exchange channel for steam flow is provided between the multiple sets of manifolds and the multiple sets of heat exchange plates. Each set of manifolds has a through hole on one side that is larger than the outer diameter of the oil injection pipe, and each set of manifolds has a bottom hole on one side for condensate flow. A condensate drain pipe for condensate discharge is provided at one end of the outer side of the preheating cylinder.

[0011] Preferably, the steam slowing mechanism includes a positioning column detachably installed at the bottom of the inner cavity of the device body, and the positioning column is provided with multiple sets of slowing elements, which are alternately arranged with multiple sets of grease storage mechanisms.

[0012] Preferably, the flow-slowing component includes an integrally formed sleeve and a flow-slowing mesh cover. The flow-slowing mesh cover is hemispherical in shape, and the sleeve is located on the upper outer side of the flow-slowing mesh cover. A fixing bolt that is bolted to a positioning post is inserted into the sleeve.

[0013] Preferably, the grease storage mechanism includes an integrally formed hot oil outer shell, a drainage inner shell, and an anti-overflow pipe. The drainage inner shell is located at the lower end of the anti-overflow pipe and is located inside the hot oil outer shell. The lower end of the drainage inner shell is provided with a drainage ring for draining overflowing grease. Two sets of guide frames are provided on the outer side of the hot oil outer shell, and a guide beam for mounting the guide frames is provided inside the main body of the device.

[0014] Preferably, the oil discharge mechanism includes an oil collection pipe installed on the outside of the main body of the device, the oil collection pipe is provided with multiple sets of corrugated pipes, each set of corrugated pipes is provided with a connecting pipe that penetrates the main body of the device, the outside of the hot oil shell is provided with a discharge port for the connecting pipe to be connected, and the inner wall of the lowest layer of the hot oil shell is provided with a liquid level sensor.

[0015] Preferably, the steam supply mechanism includes a steam inlet pipe that penetrates the main body of the device, and one end of the steam inlet pipe is provided with a ring pipe located below the lowest flow slowing element, and the ring pipe is provided with multiple sets of nozzles.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This invention mainly utilizes the coordination of a waste heat utilization mechanism, a steam slow-flow mechanism, and an oil storage mechanism. After the steam is concentrated by the guide hood, it enters the preheating cylinder. Multiple sets of collector plates and heat exchange fins form a heat exchange channel to increase the steam residence time, thereby allowing the waste heat of the steam to preheat the oil in the oil injection pipe, realizing heat recovery and utilization, improving energy utilization efficiency, and reducing energy consumption. Furthermore, the steam slow-flow mechanism can slow down the flow of steam, allowing the steam to contact the fatty acids more evenly, improving the stripping effect, and thus increasing the efficiency of fatty acid stripping. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the main body of the device of this utility model;

[0020] Figure 3 This is a schematic diagram of the waste heat utilization mechanism of this utility model;

[0021] Figure 4 This is a schematic diagram of the steam slow-flow mechanism of this utility model;

[0022] Figure 5 This is a schematic diagram of the oil storage mechanism of this utility model.

[0023] In the diagram: 1. Main body of the device; 2. Waste heat utilization mechanism; 21. Cover; 22. Flow guide hood; 23. Preheating cylinder; 24. Condensate drain pipe; 25. Flow collector plate; 26. Bottom hole; 3. Oil injection pipe; 31. Heat exchange plate; 4. Steam slow flow mechanism; 41. Positioning column; 42. Slow flow component; 421. Sleeve; 422. Slow flow screen; 423. Fixing bolt; 5. Grease storage mechanism; 51. Hot oil outer shell; 52. Drainage inner shell; 53. Anti-overflow pipe; 54. Drainage ring; 55. Guide frame; 56. Discharge port; 6. Liquid level sensor; 7. Oil discharge mechanism; 71. Oil collection pipe; 72. Corrugated pipe; 73. Connecting pipe; 8. Steam supply mechanism; 81. Steam inlet pipe; 82. Ring pipe; 83. Nozzle; 9. Guide beam. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 This utility model provides a technical solution: a novel fatty acid stripping device, comprising:

[0026] The device body 1, and the waste heat utilization mechanism 2 for preheating the grease during injection, which is set above the device body 1;

[0027] The main body is equipped with a steam slow flow mechanism 4, multiple grease storage mechanisms 5 and a steam supply mechanism 8. The steam slow flow mechanism 4 is located between the multiple grease storage mechanisms 5, and the steam supply mechanism 8 is located below the lowest grease storage mechanism 5. The outer side of the main body 1 is equipped with an oil discharge mechanism 7 connected to the multiple grease storage mechanisms 5.

[0028] The waste heat utilization mechanism 2 includes a cover 21 installed on the upper end of the main body 1. A steam guide hood 22 is provided in the middle of the upper surface of the cover 21. A preheating cylinder 23 is provided at one end of the steam guide hood 22. An oil injection pipe 3 is inserted into the preheating cylinder 23 and passes through the cover 21. Multiple sets of flow collectors 25 are provided in the inner cavity of the preheating cylinder 23. Heat exchange plates 31 are provided on the outer side of the oil injection pipe 3, which are alternately arranged with the multiple sets of flow collectors 25.

[0029] A heat exchange channel for steam flow is provided between multiple sets of manifolds 25 and multiple sets of heat exchange plates 31. Each set of manifolds 25 has a through hole on one side that is larger than the outer diameter of the oil injection pipe 3, and each set of manifolds 25 has a bottom hole 26 on one side for condensate flow. A condensate drain pipe 24 for condensate discharge is provided at one end of the outer side of the preheating cylinder 23. The cross-section of the heat exchange channel is serpentine, which greatly increases the contact between the steam discharge device body 1 and the oil injection pipe 3, thereby directing the residual heat of the grease injected into the device body 1, reducing the heating time of the grease in the device body 1, improving the utilization rate of heat energy, and reducing energy consumption.

[0030] The steam slowing mechanism 4 includes a positioning column 41 detachably installed at the bottom of the inner cavity of the device body 1. The positioning column 41 is provided with multiple sets of slowing elements 42. The multiple sets of slowing elements 42 are alternately arranged with multiple sets of oil storage mechanisms 5. The arrangement of multiple sets of slowing elements 42 improves the slowing effect on steam, thereby increasing the residence time of steam in the device body 1, and thus improving the stripping effect on fatty acids. At the same time, the device body 1 is provided with a heating structure for heating the oil (existing technology, which will not be described in detail).

[0031] The flow-retarding component 42 includes an integrally formed sleeve 421 and a flow-retarding mesh 422. The flow-retarding mesh 422 is hemispherical. The sleeve 421 is located on the upper outer side of the flow-retarding mesh 422. A fixing bolt 423 that is bolted to the positioning post 41 is inserted into the sleeve 421. The flow-retarding mesh 422 can guide the steam while allowing it to pass through, thereby allowing the steam to enter the oil storage mechanism 5 above to adsorb fatty acids, thereby improving the stripping efficiency of fatty acids.

[0032] The grease storage mechanism 5 includes an integrally formed hot oil outer shell 51, a drainage inner shell 52, and an anti-overflow pipe 53. The drainage inner shell 52 is located at the lower end of the anti-overflow pipe 53 and is located inside the hot oil outer shell 51. The lower end of the drainage inner shell 52 is provided with a drainage ring 54 for draining overflowing grease. Two sets of guide frames 55 are provided on the outer side of the hot oil outer shell 51. The inner cavity of the main body 1 is provided with a guide beam 9 for mounting the guide frames 55. The grease storage mechanism 5 can be easily mounted on the guide beam 9 through the guide frames 55 and positioned using fastening bolts (not shown in the figure). At the same time, the guide beam 9 is provided with positioning holes (not shown in the figure) for mounting the fastening bolts to ensure that the outlet 56 can be accurately connected to the connecting pipe 73.

[0033] The oil discharge mechanism 7 includes an oil collecting pipe 71 installed on the outside of the main body 1. The oil collecting pipe 71 is provided with multiple sets of corrugated pipes 72. Each set of corrugated pipes 72 is provided with a connecting pipe 73 that penetrates the main body 1. The outer side of the hot oil shell 51 is provided with a discharge port 56 for the connecting pipe 73 to be connected. The inner wall of the lowest layer hot oil shell 51 is provided with a liquid level sensor 6. The sensor can monitor the liquid level of the lowest layer grease storage mechanism 5 to prevent the grease in the lowest layer from overflowing due to excessive liquid level. At the same time, the connecting pipe 73 facilitates connection to the grease storage mechanism 5, making it convenient to discharge the grease from the main body 1 after deacidification. The connecting pipe 73 can slide on the main body 1 so that the connection can be disconnected when disassembling the grease storage mechanism 5.

[0034] The steam supply mechanism 8 includes a steam inlet pipe 81 that runs through the main body 1 of the device. One end of the steam inlet pipe 81 is provided with a ring pipe 82 located below the lowest flow buffer 42. Multiple sets of nozzles 83 are provided on the ring pipe 82. Steam is introduced into the steam inlet pipe 81 through an external steam generator to provide continuous steam. The multiple sets of nozzles 83 can evenly introduce steam into the main body of the device, thereby improving the stripping efficiency of fatty acids.

[0035] In use, the grease is injected into the uppermost grease storage mechanism 5 inside the main body 1 of the device through the oil injection pipe 3. The steam supplied by the steam supply mechanism 8 adsorbs the fatty acids and is concentrated into the preheating cylinder 23 through the guide hood 22. The steam residence time is increased through the heat exchange channel between the collector plate 25 and the heat exchange plate 31, while the waste heat is transferred to the grease through the heat exchange plate 31, so that the grease is preheated and then enters the grease storage mechanism 5. The waste heat of the steam is effectively utilized, the stripping efficiency and the stability of the device operation are improved, and the grease is filled into multiple grease storage mechanisms 5 from top to bottom.

[0036] During the fatty acid stripping process, steam enters the ring pipe 82 through the steam inlet pipe 81 and is ejected through the nozzle 83 on the ring pipe 82. The steam is slowed down by the flow-slowing element 42, which slows down the rising speed of the steam and makes the steam contact the oil evenly to achieve stripping.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel fatty acid stripping device, characterized in that, include: The main body of the device (1) and the waste heat utilization mechanism (2) for preheating the grease during injection, which is set above the main body of the device (1); The main body is equipped with a steam slow flow mechanism (4), multiple oil storage mechanisms (5) and a steam supply mechanism (8). The steam slow flow mechanism (4) is located between the multiple oil storage mechanisms (5), and the steam supply mechanism (8) is located below the lowest oil storage mechanism (5). The outer side of the main body (1) of the device is provided with an oil discharge mechanism (7) connected to the multiple oil storage mechanisms (5). The waste heat utilization mechanism (2) includes a cover (21) set on the upper end of the main body (1). A steam concentrator (22) is provided in the middle of the upper surface of the cover (21). A preheating cylinder (23) is provided at one end of the steam concentrator (22). An oil injection pipe (3) is inserted into the preheating cylinder (23) and passes through the cover (21). Multiple sets of flow collectors (25) are provided in the inner cavity of the preheating cylinder (23). Heat exchange plates (31) are provided on the outer side of the oil injection pipe (3) and are alternately arranged with the multiple sets of flow collectors (25).

2. The novel fatty acid stripping device according to claim 1, characterized in that: A heat exchange channel for steam circulation is provided between multiple sets of the aforementioned manifolds (25) and multiple sets of heat exchange plates (31). Each set of manifolds (25) has a through hole on one side that is larger than the outer diameter of the oil injection pipe (3), and each set of manifolds (25) has a bottom hole (26) on one side for condensate to flow. A condensate drain pipe (24) for condensate to be discharged is provided at one end of the outer side of the preheating cylinder (23).

3. The novel fatty acid stripping device according to claim 2, characterized in that: The steam slow flow mechanism (4) includes a positioning column (41) that is detachably installed at the bottom of the inner cavity of the main body (1) of the device. Multiple sets of slow flow elements (42) are provided on the positioning column (41), and the multiple sets of slow flow elements (42) are alternately arranged with multiple sets of grease storage mechanisms (5).

4. The novel fatty acid stripping apparatus according to claim 3, characterized in that: The flow-slowing component (42) includes an integrally formed sleeve (421) and a flow-slowing mesh cover (422). The flow-slowing mesh cover (422) is hemispherical. The sleeve (421) is located on the upper outer side of the flow-slowing mesh cover (422). A fixing bolt (423) that is bolted to the positioning post (41) is inserted into the sleeve (421).

5. A novel fatty acid stripping apparatus according to claim 4, characterized in that: The grease storage mechanism (5) includes an integrally formed hot oil outer shell (51), a drainage inner shell (52), and an anti-overflow pipe (53). The drainage inner shell (52) is located at the lower end of the anti-overflow pipe (53). The drainage inner shell (52) is located in the inner cavity of the hot oil outer shell (51). The lower end of the drainage inner shell (52) is provided with a drainage ring (54) for draining overflowing grease. Two sets of guide frames (55) are provided on the outer side of the hot oil outer shell (51). The inner cavity of the main body (1) of the device is provided with a guide beam (9) for installing the guide frames (55).

6. A novel fatty acid stripping apparatus according to claim 5, characterized in that: The oil discharge mechanism (7) includes an oil collection pipe (71) installed on the outside of the device body (1). The oil collection pipe (71) is provided with multiple sets of corrugated pipes (72). Each set of corrugated pipes (72) is provided with a connecting pipe (73) that penetrates the device body (1). The outer side of the hot oil shell (51) is provided with an outlet (56) for the connecting pipe (73) to connect. The inner wall of the lowest layer of the hot oil shell (51) is provided with a liquid level sensor (6).

7. A novel fatty acid stripping apparatus according to claim 6, characterized in that: The steam supply mechanism (8) includes a steam inlet pipe (81) that penetrates the main body (1) of the device. One end of the steam inlet pipe (81) is provided with a ring pipe (82) located below the lowest flow buffer (42). Multiple sets of nozzles (83) are provided on the ring pipe (82).

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