Front distillation tower capable of improving separation efficiency of fatty acid in soybean oil

Abstract

The utility model relates to the technical field of front distillation towers, and provides a front distillation tower capable of improving the separation efficiency of fatty acid in soybean oil, which comprises a tower body, a tower plate, a feed liquid distributor and a mounting seat are sequentially arranged in an inner cavity of the tower body from top to bottom, and a feed liquid inlet pipe is fixedly communicated with the position, corresponding to the feed liquid distributor, of the side wall of the tower body. The bottom of the side wall of the tower body is fixedly communicated with a steam inlet pipe, the bottom end of the tower body is fixedly communicated with a waste liquid outlet pipe, the top of the tower body is fixedly communicated with a return pipe, and the top end of the tower body is fixedly communicated with a steam outlet; according to the technical scheme, the problems that in the prior art, when a front distillation tower is used, the filler layer in the front distillation tower is contaminated by more impurities after being used for a long time, unsmooth drainage is easily caused, the filler layer located at the uppermost part is preferentially in contact with the impurities, so that regular replacement is needed, and when the filler layer is replaced, shutdown is needed for replacement, so that the time and the labor are wasted are solved. Therefore, the separation efficiency of the fatty acid of the soybean oil is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of front tower, specifically, relate to a front tower that can promote soybean oil fatty acid separation efficiency. BACKGROUND

[0002] Soybean oil fatty acid separation refers to the process of extracting and separating various fatty acids from soybean oil, which has important economic significance because mixed fatty acids contain some components with high added value, especially unsaturated fatty acids, which can be used to produce various products such as epoxy-based plasticizers. Soybean oil fatty acid separation generally requires the use of a front tower.

[0003] However, the existing front tower has the problem that the internal packing layer will be contaminated with a lot of impurities during long-term use, which can cause poor drainage. The uppermost packing layer will be in contact with impurities first, so it needs to be replaced regularly. When replacing the packing layer, the machine needs to be stopped for replacement, which affects the separation efficiency of soybean oil fatty acids. SUMMARY

[0004] The utility model provides a front tower that can promote soybean oil fatty acid separation efficiency, which solves the problem of the existing front tower in the related art that the internal packing layer will be contaminated with a lot of impurities during long-term use, which can cause poor drainage. The uppermost packing layer will be in contact with impurities first, so it needs to be replaced regularly. When replacing the packing layer, the machine needs to be stopped for replacement, which affects the separation efficiency of soybean oil fatty acids.

[0005] The technical solution of the utility model is as follows:

[0006] A front tower that can promote soybean oil fatty acid separation efficiency, comprising:

[0007] The tower body has a cavity, which is provided with a tower plate, a liquid distribution device and a mounting seat from top to bottom, the side wall of the tower body is fixedly connected with a liquid inlet pipe corresponding to the position of the liquid distribution device, the bottom of the side wall of the tower body is fixedly connected with a steam inlet pipe, the bottom end of the tower body is fixedly connected with a waste liquid outlet pipe, the top of the tower body is fixedly connected with a reflux pipe, and the top end of the tower body is fixedly connected with a steam outlet.

[0008] The packing assembly is symmetrically installed in the mounting seat.

[0009] The heat exchange assembly is installed between the liquid inlet pipe and the reflux pipe.

[0010] Preferably, the steam outlet is connected with the reflux pipe, and the steam outlet is connected with the rectifying tower.

[0011] Preferably, the packing assembly is provided with four groups, the packing assembly is installed on the outer wall of the tower body, and the outer wall of the packing assembly is fixed with the outer wall of the mounting seat.

[0012] Preferably, the packing assembly comprises a shell, the shell is embedded on the tower wall of the tower body, and a rotating block is rotatably installed in the shell.

[0013] Symmetrical installation grooves are formed on both sides of the rotating block, a packing layer is installed in the installation groove, and a plurality of through holes are formed in the top wall and the bottom wall of the rotating block and correspond to the installation groove.

[0014] The shell in the tower body is provided with a through groove matched with the packing layer on the top wall and the bottom wall of the shell, the top wall of the shell is provided with a driving mechanism for driving the rotating block to rotate, and a sealing door is rotatably installed on the shell outside the tower body and corresponds to the position of the packing layer.

[0015] The sealing door and the shell are connected through a buckle.

[0016] Preferably, a sealing gasket is fixed at the contact position of the sealing door and the shell.

[0017] Preferably, the driving mechanism comprises a mounting shell, the mounting shell is fixed on the top wall of the shell, and a worm gear is installed in the shell.

[0018] The worm gear is meshed with a worm.

[0019] The worm is rotatably installed between the inner walls of the mounting shell, one end of the worm penetrates the outer wall of the mounting shell through a bearing and is fixed with a knob.

[0020] Preferably, the rotating shaft at the top end of the rotating block penetrates the top wall of the shell through a sealing bearing and is fixedly connected to the bottom shaft position of the worm gear.

[0021] Preferably, the heat exchange assembly comprises two spiral pipes, the spiral pipes are respectively sleeved outside the liquid inlet pipe and the reflux pipe, the two spiral pipes are connected and communicated through a connecting pipe, a circulating pump is installed on one side of the connecting pipe, and the spiral pipe and the connecting pipe are filled with heat-conducting oil.

[0022] The utility model discloses a beneficial effect is:

[0023] The packing assembly in the utility model is used for installing the packing layer, and can quickly switch to a new packing layer after the packing layer is blocked for a long time, can replace the packing layer under the condition that the front distillation tower does not stop, ensures the separation efficiency of soybean oil fatty acid, and the heat exchange assembly can conduct heat in the hot liquid in the reflux pipe to the liquid inlet pipe, and the added liquid is preliminarily heated, so that the separation efficiency of soybean oil fatty acid can be effectively improved. Attached Figure Description

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0025] Fig. 1 This is a perspective view of the external structure of this utility model;

[0026] Fig. 2 This is a three-dimensional view of the internal structure of the tower body of this utility model;

[0027] Fig. 3 This is a perspective view of the external structure of the filler assembly of this utility model;

[0028] Fig. 4 This is a three-dimensional view of the internal structure of the filler assembly of this utility model;

[0029] Fig. 5 This utility model Fig. 4 Enlarged diagram of point A in the middle.

[0030] In the diagram: 1. Tower body; 2. Feed distributor; 3. Tower plate; 4. Mounting base; 5. Packing assembly; 51. Shell; 52. Rotating block; 53. Mounting groove; 54. Packing layer; 55. Through hole; 56. Through groove; 57. Drive mechanism; 571. Mounting shell; 572. Worm gear; 573. Worm gear; 574. Knob; 58. Sealing door; 59. Fastener; 6. Feed inlet pipe; 7. Steam inlet pipe; 8. Waste liquid outlet pipe; 9. Return pipe; 10. Heat exchange assembly; 101. Spiral tube; 102. Connecting pipe; 103. Circulating pump; 11. Steam outlet. Detailed Implementation

[0031] 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.

[0032] Example 1

[0033] like Figs. 1-2 As shown, this embodiment proposes:

[0034] A foredistillation column that can improve the efficiency of fatty acid separation in soybean oil includes:

[0035] The tower body 1 is provided with a tower plate 3, a liquid distributor 2 and a mounting seat 4 from top to bottom in the cavity of the tower body 1 in sequence. The side wall of the tower body 1 is fixedly connected with a liquid inlet pipe 6 corresponding to the position of the liquid distributor 2. The bottom of the side wall of the tower body 1 is fixedly connected with a steam inlet pipe 7. The bottom end of the tower body 1 is fixedly connected with a waste liquid outlet pipe 8. The top of the tower body 1 is fixedly connected with a reflux pipe 9. The top end of the tower body 1 is fixedly connected with a steam outlet 11.

[0036] The packing assembly 5 is symmetrically mounted in the mounting seat 4.

[0037] The heat exchange assembly 10 is arranged between the liquid inlet pipe 6 and the reflux pipe 9.

[0038] The steam outlet 11 is connected with the reflux pipe 9, and the steam outlet 11 is connected with the rectifying tower.

[0039] In the embodiment, the tower plate 3, the liquid distributor 2 and the liquid inlet pipe 6, the steam inlet pipe 7, the waste liquid outlet pipe 8, the reflux pipe 9 and the steam outlet 11 arranged on the tower body 1 are all conventional arrangements. The packing assembly 5 is arranged for mounting the packing layer, and can quickly switch to a new packing layer after the packing layer is blocked after a long time of use, so that the replacement of the packing layer can be completed without stopping the front tower, thereby ensuring the separation efficiency of the soybean oil fatty acid. The heat exchange assembly 10 arranged can conduct the heat in the hot liquid in the reflux pipe to the liquid inlet pipe 6, so as to preliminarily heat the added liquid, thereby effectively improving the separation efficiency of the soybean oil fatty acid.

[0040] Embodiment 2

[0041] As shown in the embodiment, based on the same concept as the above-mentioned embodiment 1, the embodiment also proposes: Figs. 2-5

[0042] The packing assembly 5 is arranged on the outer wall of the tower body 1, and the outer wall of the packing assembly 5 is fixed with the outer wall of the mounting seat 4.

[0043] The packing assembly 5 comprises an outer shell 51 embedded on the tower wall of the tower body 1, and a rotating block 52 rotatably mounted in the outer shell 51.

[0044] A mounting groove 53 is symmetrically arranged on both sides of the rotating block 52, and a packing layer 54 is arranged in the mounting groove 53. A plurality of through holes 55 are arranged on the top wall and the bottom wall of the rotating block 52 corresponding to the positions of the mounting groove 53.

[0045] A through groove 56 matched with the packing layer 54 is arranged on the top wall and the bottom wall of the outer shell 51 in the tower body 1. A driving mechanism 57 for driving the rotating block 52 to rotate is arranged on the top wall of the outer shell 51. A sealing door 58 is rotatably mounted on the outer shell 51 outside the tower body 1 corresponding to the position of the packing layer 54.

[0046] ​The sealing door 58 is connected with the shell 51 through the buckle 59.

[0047] The contact position of the sealing door 58 and the shell 51 is fixed with a sealing gasket.

[0048] The driving mechanism 57 comprises a mounting shell 571 fixed on the top wall of the shell 51, and a worm gear 572 arranged in the shell 51;

[0049] The worm gear 572 is engaged with a worm shaft 573;

[0050] The worm shaft 573 is rotatably arranged between the inner walls of the mounting shell 571, and one end of the worm shaft 573 penetrates the outer wall of the mounting shell 571 through a bearing and is fixed with a knob 574.

[0051] The rotating shaft at the top end of the rotating block 52 penetrates the top wall of the shell 51 through a sealing bearing and is fixedly connected to the bottom axial position of the worm gear 572.

[0052] The heat exchange assembly 10 comprises two spiral pipes 101, which are respectively sleeved outside the liquid inlet pipe 6 and the return pipe 9, and are communicated through connecting pipes 102 on one side, and a circulating pump 103 is arranged on one side of the connecting pipe 102, and the spiral pipes 101 and the connecting pipes 102 are filled with heat conducting oil.

[0053] In the embodiment, the filler assembly 5 is arranged to install the filler layer, and can quickly switch to a new filler layer after the filler layer is blocked after long-term use, and can complete the replacement of the filler layer without stopping the operation of the front distillation tower, so as to ensure the separation efficiency of the soybean oil fatty acid. After the current filler layer 54 is blocked after long-term use, the knob 574 is rotated to drive the worm shaft 573 to rotate, the worm shaft 573 drives the rotating block 52 to rotate through the worm gear 572, so that the unused filler layer 54 outside is rotated to the inside of the tower body 1, and the used filler layer 54 is taken out and replaced by opening the sealing door 58, so that the replacement of the filler layer 54 can be completed without stopping the operation, and the separation efficiency is high. The material of the spiral pipe 101 is copper, which can effectively conduct the heat of the hot liquid in the return pipe 9 to the heat conducting oil inside, and the heat conducting oil continuously circulates between the spiral pipe 101 and the connecting pipe 102 under the action of the circulating pump 103, and can preliminarily heat the liquid in the liquid inlet pipe 6 when flowing to the liquid inlet pipe 6, so as to effectively improve the separation efficiency of the soybean oil fatty acid.

[0054] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A foredistillation column that can improve the efficiency of fatty acid separation in soybean oil, characterized in that, include: The tower body (1) has a tower plate (3), a liquid distributor (2) and a mounting base (4) arranged sequentially from top to bottom in the inner cavity of the tower body (1). The side wall of the tower body (1) is fixedly connected to the liquid distributor (2) with a liquid inlet pipe (6). The bottom of the side wall of the tower body (1) is fixedly connected to a steam inlet pipe (7). The bottom end of the tower body (1) is fixedly connected to a waste liquid outlet pipe (8). The top of the tower body (1) is fixedly connected to a reflux pipe (9). The top of the tower body (1) is fixedly connected to a steam outlet (11). A packing assembly (5) is symmetrically installed in the mounting base (4); A heat exchange assembly (10) is installed between the feed inlet pipe (6) and the return pipe (9).

2. The foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 1, characterized in that, The steam outlet (11) is connected to the reflux pipe (9), and the steam outlet (11) is connected to the distillation column.

3. The foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 1, characterized in that, The packing assembly (5) is provided in four sets. The packing assembly (5) is installed on the outer wall of the tower body (1). The outer wall of the packing assembly (5) is fixed to the outer wall of the mounting base (4).

4. A foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 1, characterized in that, The packing assembly (5) includes a housing (51), which is embedded in the tower wall of the tower body (1), and a rotating block (52) is rotatably installed inside the housing (51). The rotating block (52) has symmetrically provided mounting grooves (53) on both sides, and a filler layer (54) is provided in the mounting grooves (53). The top and bottom walls of the rotating block (52) are provided with several through holes (55) corresponding to the mounting grooves (53). The outer shell (51) located inside the tower body (1) has through grooves (56) on its top and bottom walls that cooperate with the packing layer (54). The top wall of the outer shell (51) is equipped with a drive mechanism (57) for driving the rotating block (52) to rotate. The outer shell (51) located outside the tower body (1) has a sealing door (58) rotatably installed at the position corresponding to the packing layer (54). The sealing door (58) is connected to the outer shell (51) by a fastener (59).

5. A foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 4, characterized in that, A sealing gasket is fixed at the contact position between the sealing door (58) and the outer shell (51).

6. A foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 4, characterized in that, The drive mechanism (57) includes a mounting shell (571), which is fixed to the top wall of the outer shell (51), and a worm gear (572) is installed inside the outer shell (51). The worm gear (572) is meshed with a worm (573); The worm gear (573) is rotatably mounted between the inner walls of the mounting housing (571), and one end of the worm gear (573) passes through the outer wall of the mounting housing (571) through a bearing and is fixed with a knob (574).

7. A foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 6, characterized in that, The rotating shaft at the top of the rotating block (52) passes through the top wall of the outer shell (51) through a sealed bearing and is fixedly connected to the bottom axis of the worm gear (572).

8. A foredistillation column for improving the fatty acid separation efficiency of soybean oil according to claim 1, characterized in that, The heat exchange assembly (10) includes two spiral tubes (101), which are respectively sleeved outside the feed inlet pipe (6) and the return pipe (9). The two spiral tubes (101) are connected by a connecting pipe (102). A circulation pump (103) is installed on one side of the connecting pipe (102). The spiral tubes (101) and the connecting pipe (102) are filled with heat transfer oil.

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