Filtering device for extracting astaxanthin

Abstract

The utility model relates to the technical field of astaxanthin production and extraction, in particular to a filtering device for extracting astaxanthin, which comprises a sedimentation mechanism and a filtering mechanism, a partition plate is arranged in the sedimentation mechanism and divides the sedimentation mechanism into a first sedimentation tank and a second sedimentation tank, and the bottoms of the first sedimentation tank and the second sedimentation tank are communicated with each other. The filtering mechanism comprises a first filtering cage arranged in the first sedimentation tank and a second filtering cage arranged in the second sedimentation tank, a stirring mechanism is arranged on the outer side, close to the first sedimentation tank, of the sedimentation mechanism, a circulating mechanism is arranged on the side, close to the second sedimentation tank, of the sedimentation mechanism, and the circulating mechanism comprises a circulating pipe and a circulating pump; and the other end of the circulating pipe is arranged at the upper end of the second filter cage. According to the utility model, the mixing efficiency between the astaxanthin-containing concentrated solution and water is improved in a stirring precipitation manner, so that the precipitation rate of astaxanthin is improved; and the collection rate of the astaxanthin is improved in a secondary recovery and precipitation manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to astaxanthin production extraction technical field relates to a kind of extraction astaxanthin filter device. BACKGROUND

[0002] Astaxanthin is full name 3,3'-dihydroxy-4,4'-diketone-β,β'-carotene, belongs to non-vitamin A source carotenoids, insoluble in water, easily soluble in most organic solvents such as dichloromethane, acetone, chloroform.Astaxanthin has high efficient antioxidant, anticancer, enhance immunity and coloring function, has been widely used in health food, medicine, cosmetics and aquaculture, with very high economic value and health care effect.

[0003] The existing astaxanthin usually uses the following raw materials: haematococcus pluvialis, crustacean and yeast, wherein, due to the large annual output of crustacean, the waste of processing plant accounts for 70%-85% of raw materials, which is a good source of extracting astaxanthin, when using the shell of crustacean for extraction, the following steps are mainly used: mixing the shrimp shell powder with ionic liquid aqueous solution and then performing magnetic stirring at room temperature; centrifuging the mixture after magnetic stirring, collecting astaxanthin crude extract; adding salt to the astaxanthin crude extract, standing at room temperature to form ionic liquid-salt aqueous two-phase system, then performing liquid-liquid separation, collecting ionic liquid-rich phase to obtain astaxanthin concentrate; adding water to the astaxanthin concentrate, standing to precipitate astaxanthin, then performing filtration, collecting astaxanthin precipitate and drying.

[0004] However, in the precipitation process, it is often necessary to stand for at least 12 hours to ensure that the astaxanthin in the astaxanthin concentrate is basically completely precipitated, and the standing time is too long. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of extraction astaxanthin filter device to solve the problems of prior art.

[0006] The utility model discloses a technical scheme that can solve the technical problems in the prior art.

[0007] Further improvement, the stirring mechanism includes rotating base, sets up the lift cylinder on rotating base, fixes the connecting plate who sets up in the telescopic end of lift cylinder, and fixes the stirring assembly who sets up on the connecting plate, the stirring assembly includes the stirring motor who fixes setting on the connecting plate, the stirring shaft who is transmission connection with the output end of stirring motor and the stirring blade who fixes setting on the stirring shaft.

[0008] Further improvement, the upper side of the sedimentation mechanism is provided with an assembly groove, and the first filter cage and the second filter cage are provided with limiting blocks on both sides.

[0009] Further improvement, the outer side of the assembly groove close to the stirring mechanism is provided with a locking through hole, the outer side of the locking through hole is provided with a locking plate, the locking plate is internally threadedly connected with a limiting bolt, and the front end of the limiting bolt is arranged in the locking through hole and can abut against the limiting block of the first filter cage.

[0010] Further improvement, the bottom of the sedimentation mechanism is obliquely arranged.

[0011] Further improvement, the mesh number of the first filter cage is a, the mesh number of the second filter cage is b, and the quantity relationship a < b is satisfied.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses in the actual use process, first inject water into the sedimentation mechanism's sedimentation tank, secondly pour the concentrated liquid containing astaxanthin into the first filter cage, through the stirring mechanism to the liquid in the first filter cage is stirred, make concentrated liquid and water fully mix, because astaxanthin is insoluble in water, in the mixing process, astaxanthin gradually separates out in the first filter cage, after stirring to certain time, remove the stirring mechanism from the first filter cage, make astaxanthin deposit in the first filter cage, shorten the deposition time, simultaneously, part astaxanthin that escapes from the first filter cage is pumped to the second filter cage in the circulation mechanism and carries out secondary deposition, promote the effect of deposition, avoid astaxanthin to escape to the sedimentation tank. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the utility model Figure 1 It is the enlarged view of partial A in the utility model;

[0016] Figure 3 It is the structural schematic diagram of the stirring mechanism of the utility model.

[0017] In the drawing, 1, sedimentation mechanism;11, partition;12, first sedimentation tank;13, second sedimentation tank;14, assembly groove;141, locking through hole;142, locking plate;143, limiting bolt;2, filter mechanism;21, first filter cage;22, second filter cage;3, stirring mechanism;31, rotating base;32, lifting air cylinder;33, connecting plate;34, stirring assembly;341, stirring motor;342, stirring shaft;343, stirring vane;4, circulation mechanism;41, circulation pipe;42, circulating pump;51, limiting block. DETAILED DESCRIPTION

[0018] In the description of the utility model, it is needful to explain, the orientation or position relation that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. indicate is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element that is indicated must have the specific orientation, with specific orientation structure and operation, therefore can not be understood as the limitation of the utility model.

[0019] In the description of the utility model, it is needful to explain, except for the explicit stipulation and limitation, the terms "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected. For the ordinary skill of the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0020] The following will be described in detail with reference to the accompanying drawings and embodiments. Figures 1-3 The technical scheme of the utility model is further described.

[0021] Embodiment 1

[0022] A kind of extraction astaxanthin filter device, comprising: sedimentation mechanism 1 and filter mechanism 2, the partition 11 is provided in the sedimentation mechanism 1, the partition 11 separates the sedimentation mechanism 1 into first sedimentation pool 12 and second sedimentation pool 13, the first sedimentation pool 12 and second sedimentation pool 13 bottom are throughly provided, the filter mechanism 2 includes the first filter cage 21 being arranged in the first sedimentation pool 12 and the second filter cage 22 being arranged in the second sedimentation pool 13, the sedimentation mechanism 1 is close to the outside of the first sedimentation pool 12 and is provided with stirring mechanism 3, the stirring end of the stirring mechanism 3 can be rotatably arranged in the first filter cage 21, the sedimentation mechanism 1 is close to the side of the second sedimentation pool 13 and is provided with circulation mechanism 4, the circulation mechanism 4 includes circulation pipe 41 and circulation pump 42 being arranged on the circulation pipe 41, one end of the circulation pipe 41 is arranged at the bottom of the second sedimentation pool 13, and the other end is arranged on the upper end of the second filter cage 22.

[0023] As Figures 1-3 As shown in the utility model in actual use process, first, water is injected into the sedimentation pool of sedimentation mechanism 1, second, the concentrated liquid containing astaxanthin is poured into the first filter cage 21, the liquid in the first filter cage 21 is stirred by stirring mechanism 3, so that the concentrated liquid is fully mixed with water, since astaxanthin is insoluble in water, during mixing, astaxanthin gradually precipitates in the first filter cage 21, after stirring to a certain time, the stirring mechanism 3 is removed from the first filter cage 21, so that astaxanthin is precipitated in the first filter cage 21, the precipitation time is shortened, at the same time, part of the astaxanthin escaping from the first filter cage 21 is pumped into the second filter cage 22 by the circulation mechanism 4 for secondary precipitation, the effect of precipitation is improved, and astaxanthin is prevented from escaping into the sedimentation pool.

[0024] As a further preferred embodiment, the stirring mechanism 3 includes a rotating base 31, a lifting cylinder 32 disposed on the rotating base 31, a connecting plate 33 fixedly disposed on the extension end of the lifting cylinder 32, and a stirring assembly 34 fixedly disposed on the connecting plate 33. The stirring assembly 34 includes a stirring motor 341 fixedly disposed on the connecting plate 33, a stirring shaft 342 in transmission connection with the output end of the stirring motor 341, and stirring blades 343 fixedly disposed on the stirring shaft 342.

[0025] As a further preferred embodiment, the assembly groove 14 is arranged on the upper side of the precipitation mechanism 1, and the limiting blocks 51 are arranged on both sides of the first filter cage 21 and the second filter cage 22.

[0026] Specifically, the filter cage is limited and installed through the assembly groove 14, and the convenience of the equipment is improved.

[0027] As a further preferred embodiment, the locking through hole 141 is arranged through the outer side of the assembly groove 14 close to the stirring mechanism 3, the locking plate 142 is arranged on the outer side of the locking through hole 141, the limiting bolt 143 is threadedly connected in the locking plate 142, and the front end of the limiting bolt 143 is arranged in the locking through hole 141 and can abut against the limiting block 51 of the first filter cage 21.

[0028] Specifically, as shown in Figure 2 the first filter cage 21 is completed, the first filter cage 21 is limited by rotating the limiting bolt 143, and the shaking degree of the first filter cage 21 in the stirring process is reduced.

[0029] As a further preferred embodiment, the bottom of the precipitation mechanism 1 is arranged to be inclined.

[0030] As a further preferred embodiment, the mesh number of the first filter cage 21 is a, the mesh number of the second filter cage 22 is b, and the quantity relationship a<b is satisfied, the astaxanthin in the precipitation tank is secondarily recovered through the second filter cage 22, and the precipitation effect is improved.

[0031] The preferred embodiments of the utility model are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the conception of the utility model. Therefore, any technical scheme obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the conception of the utility model should be within the protection scope determined by the claims.

Claims

1. An apparatus for extracting astaxanthin filtration, characterized by, Include: The sedimentation mechanism (1) and filter mechanism (2), the partition plate (11) is arranged in the sedimentation mechanism (1), the partition plate (11) divides the sedimentation mechanism (1) into first sedimentation tank (12) and second sedimentation tank (13), the first sedimentation tank (12) and second sedimentation tank (13) bottom through arrangement, the filter mechanism (2) includes the first filter cage (21) arranged in the first sedimentation tank (12) and the second filter cage (22) arranged in the second sedimentation tank (13), the sedimentation mechanism (1) is close to the outside of the first sedimentation tank (12) and is provided with the stirring mechanism (3), the stirring end of the stirring mechanism (3) can be rotatably arranged in the first filter cage (21), the sedimentation mechanism (1) is close to the side of the second sedimentation tank (13) and is provided with circulating mechanism (4), the circulating mechanism (4) includes circulating pipe (41) and circulating pump (42) arranged on the circulating pipe (41), one end of the circulating pipe (41) is arranged at the bottom of the second sedimentation tank (13), and the other end is arranged at the upper end of the second filter cage (22).

2. The astaxanthin extraction filter device according to claim 1, wherein The stirring mechanism (3) includes a rotating base (31), a lifting cylinder (32) arranged on the rotating base (31), a connecting plate (33) fixedly arranged at the telescopic end of the lifting cylinder (32), and a stirring assembly (34) fixedly arranged on the connecting plate (33), the stirring assembly (34) includes a stirring motor (341) fixedly arranged on the connecting plate (33), a stirring shaft (342) in transmission connection with the output end of the stirring motor (341), and a stirring blade (343) fixedly arranged on the stirring shaft (342).

3. The astaxanthin extraction filter device according to claim 1, wherein The upper side of the sedimentation mechanism (1) is provided with an assembly groove (14), and the two sides of the first filter cage (21) and the second filter cage (22) are provided with limiting blocks (51), and the assembly groove (14) and the limiting block (51) are correspondingly arranged.

4. The astaxanthin extraction filter device according to claim 3, wherein The outer side of the assembly groove (14) close to the stirring mechanism (3) is provided with a locking through hole (141), the outer side of the locking through hole (141) is provided with a locking plate (142), the locking plate (142) is threadedly connected with a limiting bolt (143), and the front end of the limiting bolt (143) is arranged in the locking through hole (141) and can abut against the limiting block (51) of the first filter cage (21).

5. The astaxanthin extraction filter device according to claim 1, wherein The bottom of the sedimentation mechanism (1) is inclinedly arranged.

6. The astaxanthin extraction filter device according to claim 1, wherein The mesh number of the first filter cage (21) is a, and the mesh number of the second filter cage (22) is b, and the quantity relationship satisfies: a < b.

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