Device for recovering corn oil from sugar liquid for citric acid fermentation

Abstract

The utility model relates to the technical field of corn oil recovery, and provides a device for recovering corn oil from sugar liquid for citric acid fermentation, which comprises a sugar liquid tank, a collecting tank, a heat exchanger, a filter and an oil-water separator which are connected in sequence, a cleaning assembly is arranged in the collecting tank, and the cleaning assembly comprises a blocking cover, a driving unit, a telescopic unit and a brush. The blocking cover is arranged at the top of the collecting tank, the driving unit is arranged in the center of the blocking cover, the telescopic unit is arranged at the output end of the driving unit, the brush is arranged at the output end of the telescopic unit, and the driving unit drives the brush on the telescopic unit to clean the inner wall of the collecting tank. By arranging the telescopic unit, the cleaning assembly can be adjusted according to different diameters of the tank body to clean the inner wall of the tank body, and the device is convenient to operate, low in material handling capacity and low in energy consumption, improves the quality of a sugar solution for citric acid fermentation while improving the benefits of a company, reduces the equipment cost and improves the treatment efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of corn oil recovery, in particular to a device for recovering corn oil from sugar solution for citric acid fermentation. Background Art

[0002] The production process of citric acid mainly involves corn crushing, slurry mixing, jet liquefaction, and then plate and frame filtration to obtain sugar solution, which is then fermented and extracted. After a period of sedimentation in the sugar solution tank after plate and frame filtration, a thick layer of corn oil will form on the surface of the sugar solution, and a mixed layer of corn oil, corn residue and sugar solution will form between the corn oil and the sugar solution. These corn oils are very unfavorable to fermentation, which increases the difficulty of citric acid extraction.

[0003] At present, most manufacturers do not remove the corn oil on the surface of the sugar liquid, which brings difficulties to the subsequent processing; some manufacturers only separate the corn oil on the surface of the sugar liquid, the separation is not thorough, and the removal effect is not good. At the same time, the tanks used to separate the corn oil on the surface of the sugar liquid have the problem of untimely cleaning, which will also affect the subsequent separation of the corn oil.

[0004] Therefore, in view of the above problems, a device for recovering corn oil from sugar solution for citric acid fermentation is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model develops a device for recovering corn oil from sugar liquid for citric acid fermentation. The utility model can clean the inner wall of the tank, is easy to operate, has a small material processing volume and low energy consumption, improves the quality of the sugar liquid for citric acid fermentation while improving the company's benefits, reduces equipment costs, and improves processing efficiency.

[0006] The technical solution to the technical problem solved by the utility model is as follows: the utility model provides a device for recovering corn oil from sugar liquid for citric acid fermentation, comprising a sugar liquid tank, a collecting tank, a heat exchanger, a filter and an oil-water separator connected in sequence, a cleaning component is arranged in the collecting tank, the cleaning component comprises a baffle, a driving unit, a telescopic unit and a brush, the baffle is arranged on the top of the collecting tank, the driving unit is arranged at the center of the baffle, the telescopic unit is arranged at the output end of the driving unit, the brush is arranged at the output end of the telescopic unit, and the driving unit drives the brush on the telescopic unit to clean the inner wall of the sugar liquid tank or the collecting tank.

[0007] As an optimization, the driving unit includes a motor, a connecting column and a support plate. The motor is arranged on the top outside the baffle cover, the connecting column is arranged through the baffle cover at the output end of the motor, a support plate is arranged at the bottom of the connecting column, and a telescopic unit is arranged on the support plate.

[0008] As an optimization, the telescopic unit includes a rotating rod, a slider, a mounting seat, a connecting rod, a brush mounting rod and a handle. A sliding groove is provided on the support plate, and a mounting seat is respectively arranged at both ends of the sliding groove. A rotating rod is movably arranged between the mounting seats. A handle is arranged at the end of the rotating rod away from the motor. A forward thread and a reverse thread are respectively arranged on both sides of the rotating rod. A slider is respectively arranged on the forward thread and the reverse thread. The slider is located in the sliding groove of the support plate. The two sliders are at the same distance from the junction of the forward thread and the reverse thread. A connecting rod is hinged on both sides of the slider. The two connecting rods on the same slider are symmetrical about the rotating rod. The two connecting rods located on the same side of the rotating rod are hinged to the brush mounting rod at the end away from the slider, and a brush is arranged on the side of the brush mounting rod away from the connecting rod.

[0009] As an optimization, a bolt for locking the rotating rod is threadedly connected to the mounting base close to the handle.

[0010] As an optimization, an oil collecting trough is provided at the upper end of the inner wall of the sugar liquid tank, and the opening of the oil collecting trough faces upward.

[0011] As an optimization, the bottom end of the sugar liquid tank is connected to the sugar liquid feed pipeline, and a liquid level sight glass is arranged at the top end of the sugar liquid tank.

[0012] As an optimization, an oil production valve is installed at the connection between the oil collecting tank and the collection tank.

[0013] As an optimization, a steam inlet pipe and a condensate outlet pipe are respectively provided at both ends of the heat exchanger.

[0014] As an optimization, a water phase outlet pipe and an oil phase outlet pipe are arranged on the oil-water separator, and the water phase outlet pipe is connected to the sugar liquid tank.

[0015] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0016] 1. Through the natural stratification of oil and water, the corn oil and the mixture of corn oil, corn residue and sugar liquid in the upper layer of the sugar liquid tank are separated, and then the corn oil is recovered through filtration and oil-water separation. The operation is convenient, the material processing volume is small, the energy consumption is low, the crude oil is extracted, and economic benefits are obtained;

[0017] 2. The deoiled sugar solution provides convenience for subsequent fermentation and extraction. While producing citric acid, this device collects corn oil produced in the production process, and further purifies the collected corn oil to separate the corn residue and sugar solution. While recovering corn oil and improving the company's benefits, it also improves the quality of sugar solution for citric acid fermentation. At the same time, the equipment cost is greatly reduced and the processing efficiency is greatly improved.

[0018] 3. By setting the telescopic unit, the cleaning component can be adjusted according to different tank diameters, so as to clean the inner wall of the tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a diagram showing the use status of the cleaning component of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the cleaning component of the utility model;

[0023] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle.

[0024] In the figure, 1. sugar liquid tank; 2. collecting tank; 3. heat exchanger; 4. filter; 5. oil-water separator; 6. sugar liquid feed pipeline; 7. liquid level sight glass; 8. oil collecting tank; 9. oil production valve; 10. steam inlet pipeline; 11. condensate outlet pipeline; 12. water phase outlet pipeline; 13. oil phase outlet pipeline; 14. baffle; 15. brush; 16. motor; 17. connecting column; 18. support plate; 19. rotating rod; 20. slider; 21. mounting seat; 22. connecting rod; 23. brush mounting rod; 24. handle; 25. forward thread; 26. reverse thread; 27. bolt. DETAILED DESCRIPTION

[0025] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] like Figures 1 to 4 As shown, a device for recovering corn oil from sugar solution for citric acid fermentation comprises a sugar solution tank 1, a collecting tank 2, a heat exchanger 3, a filter 4 and an oil-water separator 5 which are connected in sequence. A cleaning assembly is arranged in the collecting tank 2, and the cleaning assembly comprises a baffle 14, a driving unit, a telescopic unit and a brush 15. The baffle 14 is arranged on the top of the collecting tank 2, the driving unit is arranged at the center of the baffle 14, the telescopic unit is arranged at the output end of the driving unit, and the brush 15 is arranged at the output end of the telescopic unit. The driving unit drives the brush on the telescopic unit to clean the inner wall of the collecting tank 2.

[0027] Through the natural stratification of oil and water, the corn oil and the mixture of corn oil, corn residue and sugar liquid in the upper layer of the sugar liquid tank 1 are separated, and then the corn oil is recovered through filtration and oil-water separation. The operation is convenient, the material processing volume is small, the energy consumption is low, the crude oil is extracted, and economic benefits are obtained; the sugar liquid after deoiling provides convenience for subsequent fermentation and extraction work. While producing citric acid, the device collects the corn oil produced in the production process, and further purifies the collected corn oil to separate the corn residue and sugar liquid therein. While recovering corn oil and improving the company's benefits, the quality of sugar liquid for citric acid fermentation is improved, and the equipment cost is greatly reduced and the processing efficiency is greatly improved; by setting the telescopic unit, the cleaning component can be adjusted according to different tank diameters, so as to clean the inner wall of the tank.

[0028] In this embodiment, the driving unit includes a motor 16, a connecting column 17 and a support plate 18. The motor 16 is arranged on the top outside the blocking cover 14. The output end of the motor 16 passes through the blocking cover 14 to set the connecting column 17. The support plate 18 is arranged at the bottom of the connecting column 17 and the telescopic unit is arranged on the support plate 18.

[0029] The telescopic unit includes a rotating rod 19, a slider 20, a mounting seat 21, a connecting rod 22, a brush mounting rod 23 and a handle 24. A sliding groove is provided on the support plate 18, and a mounting seat 21 is respectively arranged at both ends of the sliding groove. The rotating rod 19 is movably arranged between the mounting seats 21, and a handle 24 is arranged at the end of the rotating rod 19 away from the motor 16. A forward-spinning thread 25 and a reverse-spinning thread 26 are respectively arranged on both sides of the rotating rod 19, and a slider 20 is respectively arranged on the forward-spinning thread 25 and the reverse-spinning thread 26. The slider 20 is located in the sliding groove of the support plate 18, and the two sliders 20 are at the same distance from the junction of the forward-spinning thread 25 and the reverse-spinning thread 26. A connecting rod 22 is hinged on both sides of the slider 20, and the two connecting rods 22 on the same slider 20 are symmetrical about the rotating rod 19. The two connecting rods 22 located on the same side of the rotating rod 19 are hinged to the brush mounting rod 23 at one end away from the slider 20, and a brush 15 is arranged on the side of the brush mounting rod 23 away from the connecting rod 22.

[0030] A bolt 27 for locking the rotating rod 19 is threadedly connected to the mounting seat 21 near the handle 24 .

[0031] When using the cleaning assembly, place the cleaning assembly into the collecting tank 2, so that the blocking cover 14 is stuck on the filling port of the collecting tank 2, and according to the pipe diameter of the collecting tank 2, turn the handle 24 and adjust the distance between the two sliders 20 so that the brush 22 is close to the inner wall of the pipe of the collecting tank 2, then tighten the bolt 27, start the motor 16, and drive the support plate 18 to rotate, so that the brush 15 rotates to clean the inner wall of the pipe. This cleaning assembly can be adjusted according to different tank diameters to clean the inner wall of the tank.

[0032] In this embodiment, an oil collecting groove 8 is arranged at the upper end of the inner wall of the sugar liquid tank 1. The oil collecting groove 8 opens upward and is annular.

[0033] In this embodiment, the bottom end of the sugar liquid tank 1 is connected to the sugar liquid feeding pipeline 6, and a liquid level sight glass 7 is arranged at the top end of the sugar liquid tank 1. The field of view of the liquid level sight glass 7 should be ensured to be lower than the bottom of the oil collecting tank and higher than the top of the oil collecting tank.

[0034] In this embodiment, an oil production valve 9 is provided at the connection between the oil collecting tank 8 and the collecting tank 2 .

[0035] In this embodiment, a steam inlet pipe 10 and a condensed water outlet pipe 11 are respectively provided at both ends of the heat exchanger 3. The outlet temperature of the heat exchanger is 90-100°C.

[0036] In this embodiment, a water phase outlet pipe 12 and an oil phase outlet pipe 13 are provided on the oil-water separator 5. In order to re-inject the water phase separated by the oil-water separator 5 into the sugar liquid tank 1, the water phase outlet pipe 12 is connected to the sugar liquid tank 1.

[0037] The operation method is as follows: the filtered sugar liquid enters from the bottom of the sugar liquid feeding pipe 6 of the sugar liquid tank 1, and the feeding is stopped after reaching the predetermined liquid level. After observing the natural stratification of the sugar liquid and corn oil through the liquid level sight glass 7, the oil production valve 9 is opened to allow the corn oil to enter the collection tank 2. After the collection is completed, the oil production valve 9 is closed. After the collected corn oil is heated by the heat exchanger 3 to reduce the viscosity, it enters the precision filter 4 for solid-liquid separation. The separated filter residue can be combined with the corn residue for treatment. The liquid phase passes through the oil-water separator 5 to further separate the corn oil and sugar liquid, and the sugar liquid returns to the sugar liquid tank 1.

[0038] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A device for recovering corn oil from sugar solution for citric acid fermentation, characterized in that: The invention comprises a sugar liquid tank (1), a collection tank (2), a heat exchanger (3), a filter (4) and an oil-water separator (5) which are connected in sequence. A cleaning component is arranged in the collection tank (2). The cleaning component comprises a cover (14), a drive unit, a telescopic unit and a brush (15). The cover (14) is arranged on the top of the collection tank (2). The drive unit is arranged at the center of the cover (14). The telescopic unit is arranged at the output end of the drive unit. The brush (15) is arranged at the output end of the telescopic unit. The drive unit drives the brush on the telescopic unit to clean the inner wall of the collection tank (2).

2. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 1, characterized in that: The drive unit comprises a motor (16), a connecting column (17) and a support plate (18); the motor (16) is arranged on the top outside the blocking cover (14); the output end of the motor (16) passes through the blocking cover (14) to arrange the connecting column (17); the bottom of the connecting column (17) is arranged with the support plate (18); and the telescopic unit is arranged on the support plate (18).

3. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 2, characterized in that: The telescopic unit comprises a rotating rod (19), a sliding block (20), a mounting seat (21), a connecting rod (22), a brush mounting rod (23) and a handle (24); a sliding groove is provided on the support plate (18); a mounting seat (21) is provided at each end of the sliding groove; a rotating rod (19) is movably provided between the mounting seats (21); a handle (24) is provided at one end of the rotating rod (19) away from the motor (16); a positive thread (25) and a reverse thread (26) are provided on both sides of the rotating rod (19); a sliding block is provided on each of the positive thread (25) and the reverse thread (26); The block (20) is provided with a slider (20) in a slide groove of the support plate (18). The two sliders (20) are at the same distance from the junction of the forward-spinning thread (25) and the reverse-spinning thread (26). A connecting rod (22) is hingedly connected to each of the two sides of the slider (20). The two connecting rods (22) on the same slider (20) are symmetrical about the rotating rod (19). The two connecting rods (22) on the same side of the rotating rod (19) are hingedly connected to a brush mounting rod (23) at one end away from the slider (20). A brush (15) is arranged on the side of the brush mounting rod (23) away from the connecting rod (22).

4. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 3, characterized in that: A bolt (27) for locking the rotating rod (19) is threadedly connected to the mounting seat (21) near the handle (24).

5. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 1 or 2, characterized in that: An oil collecting groove (8) is arranged at the upper end of the inner wall of the sugar liquid tank (1), and the opening of the oil collecting groove (8) faces upward.

6. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 1 or 2, characterized in that: The bottom end of the sugar liquid tank (1) is connected to a sugar liquid feeding pipeline (6), and a liquid level sight glass (7) is provided at the top end of the sugar liquid tank (1).

7. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 1 or 2, characterized in that: An oil extraction valve (9) is provided at the connection between the oil collecting tank (8) and the collecting tank (2).

8. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 1 or 2, characterized in that: A steam inlet pipe (10) and a condensed water outlet pipe (11) are respectively provided at both ends of the heat exchanger (3).

9. The device for recovering corn oil from sugar solution for citric acid fermentation according to claim 1 or 2, characterized in that: The oil-water separator (5) is provided with a water phase outlet pipe (12) and an oil phase outlet pipe (13), and the water phase outlet pipe (12) is connected to the sugar liquid tank (1).

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