CN214019277U

CN214019277U - Novel high-efficient amino acid crystallizer

Info

Publication number: CN214019277U
Application number: CN202022133607.0U
Authority: CN
Inventors: 许凯兵; 陈剑彬; 吴文忠
Original assignee: Heilongjiang Nuoshu Biotechnology Co ltd
Current assignee: Heilongjiang Nuoshu Biotechnology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-08-24
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a novel high-efficiency amino acid crystallizer, which comprises a crystallizer body and a stirring system, wherein a temperature detector and a liquid level detector are additionally arranged at the bottom of the crystallizer body; the stirring system comprises a stirrer arranged at the top of the crystallizer body, a stirring shaft arranged in the crystallizer body and below the stirrer, and stirring blades fixedly connected with the stirring shaft, wherein the stirring blades are of frame type structures, the bottoms of the frame type structures are inverted cone-shaped frames with the same shape as the cross section of the bottom of the crystallizer body, and the distance between the outer edges of the stirring blades and the inner wall of the crystallizer body is increased; the inverted cone frame is in a multi-petal type with at least one opening. By adopting the structure of the utility model, the massive crystal blocks can be prevented from being accumulated on the tank wall and the stirring system in the reaction process, thereby improving the purity, crystal quality and crystal bulk density of the amino acid crystals; the accuracy and the uniformity of temperature control are improved, and therefore energy consumption such as refrigeration and the like is reduced.

Description

Novel high-efficient amino acid crystallizer

Technical Field

The utility model relates to a novel high-efficient amino acid crystallizer, more specifically say, relate to an amino acid crystallization reactor.

Background

Amino acids are the basic substances that constitute proteins required for animal nutrition. Is an organic compound containing a basic amino group and an acidic carboxyl group. The amino group attached to the alpha-carbon is an alpha-amino acid. The majority of the amino acids that make up a protein are alpha-amino acids. Amino acids are widely used in the fields of feed, food, functional food, medicine and the like.

The amino acid needs to be crystallized and purified in the production and purification process, and particularly in the fields of functional foods and medicines, the purity of the amino acid needs to be improved, impurities are removed, and the production yield is improved through a crystallization technology.

The amino acid crystallizer needs heating up to dissolve, cooling down and other processes in the crystallization process, and the existing crystallizer has the problems that amino acid crystals are easy to accumulate on the tank wall and a stirring system to form large crystal blocks in the reaction process, a large amount of crystals float on the liquid level and do not participate in the reaction, and the crystals block a material discharging valve, a liquid level meter and the like. The problems of incomplete crystallization participation, difficult impurity removal, difficult purity improvement, low yield and the like are caused. There is a need for a new high-efficiency amino acid crystallizer to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel high-efficient amino acid crystallizer, the wet crystal of amino acid after the separation is carried to this crystallizer under vacuum environment, and the effect through the stirring is dissolved, is cooled down to the intensification in this crystallizer, and the raw materials realizes dissolving of crystal growth, the dynamic balance of crystallization in this crystallizer, realizes constantly dissolving the edulcoration, the function of crystallization purification. The high-efficiency amino acid crystallizer of the utility model can be widely applied to the purification and crystallization process of amino acid in the fields of food and medicine.

In order to realize the above functions, the utility model provides a following technical scheme: a novel high-efficiency amino acid crystallizer comprises a crystallizer body and a stirring system, wherein a temperature detector and a liquid level detector are additionally arranged at the bottom of the crystallizer body; the stirring system comprises a stirrer arranged at the top of the crystallizer body, a stirring shaft arranged in the crystallizer body and below the stirrer, and stirring blades fixedly connected with the stirring shaft, wherein the stirring blades are of a frame structure with the bottom in an inverted cone shape, the inverted cone shape at the bottom of the frame structure is the inverted cone shape which is the same as the shape of the section at the bottom of the crystallizer body, and the distance between the outer edge of each stirring blade and the inner wall of the crystallizer body is 20-50 mm; the back taper frame of stirring paddle leaf's bottom has at least one opening, promptly the back taper frame is the multilobe formula that has at least one opening, and the back taper frame is under the rotation state that the (mixing) shaft drove, the opening of back taper frame avoid temperature detect meter and level detect meter.

In the preferred technical scheme, the stirring shaft is connected to the top of the crystallizer body and adopts a suspension structure, and the stirring shaft extends into the crystallizer body but is not contacted with the bottom of the crystallizer body;

in the preferred technical scheme, the mixer including stirring speed reducer and agitator motor, agitator motor installs on the stirring speed reducer, through agitator motor's frequency conversion control and the speed reduction output of speed reducer, the control stirring rotational speed is at 5~76 rpm.

In the preferred technical scheme, the crystallizer body comprises a stainless steel inner cylinder and an external temperature control jacket; the upper part of the crystallizer body is provided with a feed inlet, a vacuumizing port, a cleaning spray ball and an observation sight glass; the lower part of the crystallizer body is provided with a discharge hole, a temperature detection meter interface and a liquid level detection meter interface.

In the preferred technical scheme, the crystallizer body adopts a structure of an upper end enclosure and a lower cone, and specifically, a stainless steel inner cylinder of the crystallizer is formed by welding an upper end enclosure, a stainless steel cylinder body and a lower conical end enclosure; the external temperature control jacket is arranged outside the stainless steel inner cylinder; the feeding hole, the vacuumizing hole, the cleaning spray ball and the observation sight glass are connected to the upper end of the stainless steel inner cylinder; the temperature detector interface and the liquid level detector interface are arranged on the lower cone of the stainless steel inner cylinder.

Among the preferred technical scheme, the utility model discloses be provided with one set of fixed ball at the top of crystallizer and spray belt cleaning device, can effectual facility CIP wash, satisfy food, drug manufacturing's requirement.

In the preferred technical scheme, the crystallizer is connected with a temperature-controlled jacket, the jacket adopts an outer half pipe type or a baffle type, and is pressure-resistant: -0.1MPa to 0.4 MPa; temperature resistance: the temperature is-10 ℃ to 150 ℃, heating media such as steam, heat conducting oil and the like can be introduced for heating, and circulating water, chilled water and brine ice can also be introduced for heating, cooling and temperature control. The jacket is automatically controlled by a regulating valve for temperature rise and temperature reduction.

Through the technical scheme, the utility model discloses all adopt the austenite stainless steel material that satisfies food, pharmaceutical production on crystallizer body, (mixing) shaft, stirring paddle and the cover that presss from both sides, including but not limited to SUS30408, SUS030403, SUS31608, SUS 31603. Meanwhile, the parts which can be accepted by the product, including but not limited to the inner wall of the crystallizer body, a stirring shaft and stirring blades, are polished with high precision, and the surface roughness Ra is less than or equal to 0.4 mu m.

Among the preferred technical scheme, in order to realize the foreign matter control in food production process, prevent that external impurity from bringing into the product, the utility model discloses be provided with one set of mechanical seal for the cauldron around the (mixing) shaft at crystallizer body top, specifically, this mechanical seal for the cauldron is double mechanical seal.

Among the preferred technical scheme, the utility model discloses a realize the high-efficient crystallization of amino acid, get rid of the impurity of amino acid, improve the purity of amino acid, take frame structure on mixing system ((mixing) shaft and stirring paddle leaf), the (mixing) shaft adopts the hollow or solid axle of stainless steel promptly, stirring paddle leaf adopts corrosion resistant plate, frame paddle leaf and (mixing) shaft welding.

The technical scheme of the utility model in, this mixing system adopts the suspension type, the welding is hung in the crystallizer inner tube on the (mixing) shaft, the suspension just be "with (mixing) shaft welding", consequently do not have any bearing structure in the crystallizer, avoid the amino acid crystal to pile up on bearing structure, stirring paddle leaf and the interval of crystallizer body inner wall are between 20-50mm simultaneously, can realize the effective heat transfer of amino acid crystal thick liquid and crystallizer body inner wall, have also avoided gathering on the jar wall, piling up of amino acid crystal simultaneously.

In the preferred technical scheme, the utility model discloses adopt toper capping structure in crystallizer body bottom, this toper capping structure's base angle is 90 ~ 150, has effectually prevented the crystal in the piling up of crystallizer body bottom.

In the preferred technical scheme, the discharging hole comprises a discharging hole flange of a PAD flange structure and a connecting discharging ball valve matched with the discharging hole flange. When the crystallizer operates, the valve is closed, and the ball body of the ball valve and the conical bottom of the crystallizer keep the minimum dead volume.

In the preferred technical scheme, the utility model discloses be provided with thermometer interface, level gauge interface at the crystallizer bottom, be convenient for set up thermometer and level gauge in the bottom of crystallizer to improve the precision of measurement; simultaneously, because of the stirring mode of agitator adopts the suspension type, adopt the segmentation at the bottom paddle of agitator to hang the paddle, stirring paddle is when rotatory washing away through the fluid, can effectually avoid the crystal to pile up on the surface of thermometer, level gauge.

Adopt the utility model discloses a structure, the beneficial effect who obtains:

1. the purity of the amino acid crystal is improved, and the elimination rate of impurities is improved.

2. Improve the crystal quality of the amino acid crystal and ensure uniform crystal size.

3. Avoids the formation of false crystal by crystal bridging in the amino acid process, and improves the bulk density of the crystal.

4. The precision and the uniformity of temperature control are improved, and the uniformity among product batches is improved.

5. The crystallization efficiency of the amino acid is improved, and the crystallization time is shortened, thereby reducing the energy consumption of refrigeration and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a novel high-efficiency amino acid crystallizer, wherein A is a front view and B is a top view;

FIG. 2 is a schematic diagram of a stirring system of a novel high-efficiency amino acid crystallizer;

FIG. 3 is a detailed view of the discharge position of a novel high-efficiency amino acid crystallizer;

the device comprises a crystallizer body 1, a stirring system 1-1, a stirrer 1-2, an external temperature control jacket 2, a stirring motor 3, a stirring speed reducer 4, a mechanical seal 5, a stirring shaft 6, a stirring blade 7, a feed inlet 8, a vacuum pumping port 9, a cleaning spray ball 10, a discharge port 11, a temperature detector 12, a liquid level detector 13, an observation sight glass 14, a discharge port PAD flange 11-1 and a discharge ball valve 11-2.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a novel high-efficiency amino acid crystallizer comprises a crystallizer body 1 for dissolving amino acid and a stirring system, wherein a temperature detector 12 and a liquid level detector 13 are additionally arranged at the bottom of the crystallizer body 1; the stirring system 1-1 comprises a stirrer 1-2 arranged at the top of the crystallizer body 1, a stirring shaft 6 arranged in the crystallizer body 1 and below the stirrer, and a stirring blade 7 fixedly connected with the stirring shaft 6, wherein the stirring blade 7 is of a frame structure, the bottom of the frame structure is an inverted cone-shaped frame with the same shape as the cross section of the bottom of the crystallizer body 1, and the distance between the outer edge of the stirring blade 7 and the inner wall of the crystallizer body 1 is 20-50 mm; the back taper frame is the many lamellas formula that has at least one opening, and the back taper frame is under the rotation state that (mixing) shaft 6 drove, the opening of many lamellas formula back taper frame avoid temperature detect meter 12 and level detect meter 13.

The stirring shaft 6 is connected to the top of the crystallizer body 1 and adopts a suspension structure, and the stirring shaft 6 extends into the crystallizer body 1, but is not contacted with the bottom of the crystallizer body 1.

The stirring machine comprises a stirring speed reducer 4 and a stirring motor 3, wherein the stirring motor 3 is arranged on the stirring speed reducer 4, and the stirring speed is controlled to be 5-76 rpm through the frequency conversion control of the stirring motor 3 and the speed reduction output of the speed reducer 4.

The crystallizer body 1 comprises a stainless steel inner cylinder and an external temperature control jacket 2; the upper part of the crystallizer body 1 is provided with a feed inlet 8, a vacuumizing port 9, a cleaning spray ball 10 and an observation sight glass 14; the lower part of the crystallizer body 1 is provided with a discharge hole 11, a temperature detection meter interface 12 and a liquid level detection meter interface 13.

The crystallizer body 1 adopts a structure of an upper end enclosure and a lower cone, and specifically, a stainless steel inner cylinder of the crystallizer is formed by welding an upper end enclosure, a stainless steel cylinder body and a lower conical end enclosure; the external temperature control jacket 2 is welded and connected with the outside of the stainless steel inner cylinder; the feed inlet 8, the vacuumizing port 9, the cleaning spray ball and the observation sight glass 14 are connected to the upper end of the stainless steel inner cylinder; the temperature detector interface 12 and the liquid level detector interface 13 are arranged on the lower cone of the stainless steel inner cylinder.

The discharging port flange 11-1 adopts a PAD flange structure and is connected with the discharging ball valve 11-2. When the crystallizer operates, the valve is closed, and the ball body of the ball valve and the conical bottom of the crystallizer keep the minimum dead volume.

A set of fixed ball spraying and cleaning device is arranged at the top of the crystallizer, so that the facility CIP can be effectively cleaned, and the requirements of food and drug production are met.

The crystallizer is connected with an external temperature control jacket 2, and the external temperature control jacket 2 is pressure-resistant: -0.1MPa to 0.4 MPa; temperature resistance: the temperature is-10 ℃ to 150 ℃, heating media such as steam, heat conducting oil and the like can be introduced for heating, and circulating water, chilled water and brine ice can also be introduced for heating, cooling and temperature control. The 2L of the external temperature control jacket and the temperature reduction are automatically controlled by adopting an adjusting valve.

Through the technical scheme, the utility model discloses all adopt the austenite stainless steel material that satisfies food, drug production on crystallizer body 1, (mixing) shaft 6, stirring paddle leaf 7 and outside accuse temperature presss from both sides cover 2, the position that can accept the product simultaneously, including but not limited to 1 inner wall of crystallizer body, (mixing) shaft 6, stirring paddle leaf 7 adoption high accuracy polishing, roughness Ra is less than or equal to 0.4 mu m.

In order to realize the foreign matter control in food production process, prevent that external impurity from bringing into the product, the utility model discloses be provided with one set of mechanical seal 5 for the cauldron on the (mixing) shaft 6 of crystallizer, specifically, this mechanical seal 5 for the cauldron is double mechanical seal.

In order to realize the efficient crystallization of amino acid, remove the impurities of the amino acid and improve the purity of the amino acid, a frame type structure is adopted on a stirring shaft 6 and a stirring paddle blade 7 of a stirring system, namely, the stirring shaft 6 adopts a stainless steel hollow or solid shaft, the stirring paddle blade 7 adopts a stainless steel plate, and the frame type stirring paddle blade 7 is welded with the stirring shaft 6. The stirring system adopts a suspension type, is welded on the stirring shaft 6 and is suspended in the inner cylinder of the crystallizer, and the suspension is just welded with the stirring shaft 6, so that no supporting structure is arranged in the crystallizer, the accumulation of amino acid crystals on the supporting structure is avoided, and meanwhile, the distance between the stirring blades 7 and the inner wall of the crystallizer body 1 is 20-50mm, so that the effective heat exchange between the amino acid crystal slurry and the inner wall of the crystallizer body 1 can be realized, and the accumulation and accumulation of the amino acid crystals on the wall of the tank are also avoided.

The bottom of the crystallizer body 1 is provided with a conical head structure, the base angle of the conical head structure is 90-150 degrees, and the accumulation of crystals at the bottom of the crystallizer body 1 is effectively prevented.

In this embodiment, the crystallizer body 1 is made of SUS31603, and the contact portion between the inner surface and the material is polished to a surface roughness Ra of 0.2 μm or less. Body 1 size adopted

The external temperature control jacket 2 of the crystallizer of the embodiment adopts

Half pipe is used as heat exchanger, heat exchange area is 15.5 square meters.

The crystallizer stirring motor 3 of the embodiment adopts a 30KW variable frequency motor, a protection grade IP55 and a four-stage motor, and the rotating speed is 1450 rpm.

The crystallizer stirring speed reducer 4 of the embodiment adopts a helical tooth surface parallel shaft speed reducer.

The crystallizer mechanical seal 5 of the embodiment adopts a mechanical seal for a double-end kettle.

The stirring shaft 6 of the crystallizer in the embodiment adopts

A hollow stirring shaft.

The stirring blade 7 of the crystallizer in the embodiment adopts a frame type blade, and the distance between the edge of the blade and the wall of the tank is 25 +/-5 mm.

In the embodiment, a dn100so. pl type flange nozzle is adopted as the crystallizer inlet nozzle 8.

In the embodiment, a dn100so. pl type flange pipe orifice is adopted as the crystallizer vacuumizing orifice 9.

Example crystallizer cleaning spray ball 10 was spray cleaned using two fixed balls of DN 50.

The embodiment adopts a DN80 disk-type PAD flange at the discharge port 11 of the crystallizer, and the structure is matched with a discharge butterfly valve, so that the crystal accumulation at the discharge position can be more effectively avoided. See figure 3 for details.

Thermometer interface 12 access of crystallizer of the embodiment

PT100 thermal resistance thermometer of (1).

The crystallizer liquid level meter interface 13 of the embodiment is connected with a disc-seat PAD flange of DN 80.

The crystallizer observation sight glass 14 in the embodiment is two disk-type PAD flange-matched toughened glass sight glasses of DN 150.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A novel high-efficiency amino acid crystallizer is characterized by comprising a crystallizer body (1) for dissolving amino acid and a stirring system (1-1), wherein a temperature detector (12) and a liquid level detector (13) are additionally arranged at the bottom of the crystallizer body (1); the stirring system (1-1) comprises a stirrer (1-2) arranged at the top of the crystallizer body (1), a stirring shaft (6) arranged in the crystallizer body (1) and connected below the stirrer (1-2), and a stirring blade (7) fixedly connected with the stirring shaft (6), wherein the stirring blade (7) is of a frame structure with an inverted cone-shaped bottom, and the distance between the outer edge of the stirring blade (7) and the inner wall of the crystallizer body (1) is 20-50 mm; the inverted cone frame of the bottom of stirring paddle (7) is provided with at least one opening, the inverted cone frame is in a rotating state driven by the stirring shaft (6), and the opening of the inverted cone frame avoids the temperature detector (12) and the liquid level detector (13).

2. The crystallizer for high-efficiency amino acid according to claim 1, wherein one end of the stirring shaft (6) is connected with the stirrer (1-2) at the top of the crystallizer body (1), and the other end of the stirring shaft (6) extends into the crystallizer body (1) but is not in contact with the bottom of the crystallizer body (1).

3. The high-efficiency amino acid crystallizer as claimed in claim 1, wherein the stirring system (1-1) is suspended, and the stirring blades (7) are welded on the stirring shaft (6) and suspended in the crystallizer body (1).

4. The high-efficiency amino acid crystallizer according to claim 1, wherein the crystallizer body (1) comprises a stainless steel inner cylinder and an external temperature-control jacket (2); the upper part of the crystallizer body (1) is also provided with a feed inlet (8), a vacuumizing port (9), a cleaning spray ball (10) and an observation sight glass (14); the lower part of the crystallizer body (1) is provided with a discharge hole (11), a connector of a temperature detector (12) and a connector of a liquid level detector (13).

5. The high-efficiency amino acid crystallizer as claimed in claim 4, wherein the stainless steel inner cylinder of the crystallizer body (1) is composed of an upper end enclosure, a stainless steel cylinder body and a lower conical end enclosure; an external temperature control jacket (2) is arranged outside the stainless steel inner cylinder; the upper end enclosure of the stainless steel inner cylinder is connected with a feed inlet (8), a vacuum pumping port (9), a cleaning spray ball and an observation sight glass (14); a lower cone of the stainless steel inner cylinder is provided with a temperature detector (12) interface, a liquid level detector (13) interface and a discharge hole (11); the stirring shaft (6) is a stainless steel hollow or solid shaft, and the stirring blade (7) is a stainless steel plate; the surface roughness Ra of the inner wall of the crystallizer body (1), the stirring shaft (6) and the stirring blade (7) is less than or equal to 0.4 mu m.

6. The high-efficiency amino acid crystallizer according to claim 4, characterized in that the external temperature-control jacket (2) is pressure-resistant: -0.1MPa to 0.4 MPa; temperature resistance: -10 ℃ to 150 ℃.

7. The high-efficiency amino acid crystallizer as claimed in claim 1, wherein a set of mechanical kettle seals (5) is arranged around the stirring shaft (6) at the top of the crystallizer body (1).

8. The crystallizer for amino acid with high efficiency as claimed in claim 1, wherein the bottom of the crystallizer body (1) adopts a conical head structure, and the bottom angle of the conical head is 90-150 degrees.

9. The crystallizer for amino acid polymerization as claimed in claim 1, wherein the stirrer (1-2) comprises a stirring speed reducer (4) and a stirring motor (3), the stirring motor (3) is installed on the stirring speed reducer (4), and the stirring speed is controlled to be 5-76 rpm by the frequency conversion control of the stirring motor (3) and the speed reduction output of the stirring speed reducer (4).

10. The crystallizer for crystallizing amino acid as claimed in claim 4, wherein said discharge port (11) comprises a PAD flange structure (11-1) and a connecting discharge ball valve (11-2) used in cooperation therewith.