CN111533352A - Method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate - Google Patents
Method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate Download PDFInfo
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- CN111533352A CN111533352A CN202010382680.3A CN202010382680A CN111533352A CN 111533352 A CN111533352 A CN 111533352A CN 202010382680 A CN202010382680 A CN 202010382680A CN 111533352 A CN111533352 A CN 111533352A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
- C07H1/06—Separation; Purification
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H5/00—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium
- C07H5/04—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium to nitrogen
- C07H5/06—Aminosugars
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
Abstract
The invention discloses a method for recovering glucosamine hydrochloride from an glucosamine hydrochloride electrolyte, and a concentrator used in the process of recovering the glucosamine hydrochloride, wherein the concentrator comprises a concentration tank, a discharge pipe is arranged at the center of the top end of the concentration tank, a vapor-liquid separator is arranged at one side of the concentration tank, the vapor-liquid separator is matched with the discharge pipe, a condenser is arranged at one side of the vapor-liquid separator, an air inlet pipe is arranged at the top end of the condenser, a liquid outlet pipe is arranged at the bottom end of the condenser, the air inlet pipe is matched with the vapor-liquid separator, a recovery bin is arranged below the condenser, and the recovery bin is matched with the condenser; the setting of stirring vane makes the dislysate be heated more evenly, and has improved the efficiency of being heated, and then has promoted the work efficiency who retrieves glucosamine hydrochloride, and first curb plate and second curb plate setting make the fine separation of gas and liquid, have guaranteed that the volume of required recovery thing can not take place to reduce because of the concentration.
Description
Technical Field
The invention belongs to the technical field of biochemistry, and particularly relates to a method for recovering glucosamine hydrochloride from a glucosamine hydrochloride hydrolysate.
Background
Glucosamine hydrochloride is mainly used for medical drugs, has important physiological functions for human bodies, participates in liver and kidney detoxification, plays a role in resisting inflammation and protecting liver, stimulates 23344, grows of bifidobacteria in intestinal tracts, has good curative effects on treating rheumatic arthritis and gastric and noble ulcers, can inhibit cell growth, is a main raw material for synthesizing antibiotics and anticancer drugs, can be applied to food, cosmetics and feed additives, and has quite wide application.
The glucosamine hydrochloride electrolyte still contains a large amount of glucosamine hydrochloride, the recovery of the glucosamine hydrochloride gradually enters the sight of people, the method for recovering the glucosamine hydrochloride from the traditional glucosamine hydrochloride electrolyte needs to be concentrated, a concentration tank needs to be used in the concentration process, the traditional concentration tank is used for concentrating, the concentration efficiency is low due to the fact that liquid is heated slowly and unevenly, the content of a concentrate is reduced during concentration, waste is caused, waste liquid generated by concentration is not collected, and great harm is caused to the environment.
Disclosure of Invention
The invention aims to provide a method for recovering glucosamine hydrochloride from a glucosamine hydrochloride hydrolysate.
The technical problems to be solved by the invention are as follows:
the method of retrieving glucosamine hydrochloride in traditional glucosamine hydrochloride hydrolysate need be concentrated, and concentrated process need use concentrated jar, and traditional concentrated jar is when concentrating, and the liquid is heated more slowly and inhomogeneous makes concentration efficiency lower, and can cause the content reduction of concentrate when concentrating, and then has caused the waste, and the waste liquid that the concentration produced does not collect, has caused very big harm to the environment.
The purpose of the invention can be realized by the following technical scheme:
a method for recovering glucosamine hydrochloride from a glucosamine hydrochloride hydrolysate specifically comprises the following steps:
step S1: adding deionized water into the glucosamine hydrochloride hydrolysate to prepare diluted glucosamine hydrochloride hydrolysate;
step S2: filtering the glucosamine hydrochloride hydrolysate prepared in the step S1 by adopting an acid-resistant composite membrane under the membrane inlet pressure of 25-30kg/cm2The film discharge pressure is 15-20kg/cm2Filtering at 30-40 deg.c and membrane flux of 100-120mL/min to obtain dialysate;
step S3: adding the dialysate prepared in the step S2 into a feed inlet of a concentrator, adding the dialysate into a concentration tank, starting a motor and a heater, driving a rotating shaft to rotate by the motor, driving stirring blades to stir the dialysate by the rotating shaft, heating the dialysate by the heater, allowing the heated and volatilized gas to carry liquid to enter a vapor-liquid separator along a discharge pipe and a first guide pipe, allowing the gas to impact a partition plate, a first side plate and a second side plate to separate liquid drops inside the gas from the gas, allowing the liquid drops to gather at the bottom of the vapor-liquid separator, allowing the liquid drops to enter the concentration tank again through a liquid discharge pipe and a third guide pipe, allowing the gas to enter a condenser through the second guide pipe, introducing water into the condenser through a water inlet until the water is discharged from a water outlet, allowing the gas to enter a condensation pipe for condensation and reliquefaction, recovering the gas through a recovery bin, collecting the concentrate through a discharge port after the concentration is completed, stirring at the rotation speed of 220-;
step S4: and (4) centrifuging the mixed solution prepared in the step (S3) to obtain wet crystals, and drying the wet crystals at the temperature of 65-70 ℃ for 3-3.5h to obtain the glucosamine hydrochloride.
Further, the mass fraction of the solute in the diluted glucosamine hydrochloride hydrolysate in the step S1 is 15%, the mass fraction of the solute in the concentrated solution in the step S2 is 70%, and the volume ratio of the concentrated solution to the ethanol solution in the step S3 is 1: 2, the volume fraction of the ethanol solution is 95%.
Further, the concentrator of step S3, including a concentrating tank, a feed inlet is provided at one side top of the concentrating tank, two oppositely disposed discharge outlets are provided at a bottom end of the concentrating tank, a discharge pipe is provided at a top center of the concentrating tank, a motor is fixed at a bottom center of the concentrating tank, a rotating shaft is fixed at an output end of the motor, the rotating shaft is located inside the concentrating tank, the rotating shaft is rotatably connected with a bottom wall of the concentrating tank, a plurality of uniformly distributed stirring blades are fixed on the rotating shaft, a plurality of uniformly distributed fixed blades are fixed on an inner side wall of the concentrating tank, the stirring blades are staggered with the fixed blades, a heater is fixed on an outer side wall of the concentrating tank, a vapor-liquid separator is provided at one side of the concentrating tank, the vapor-liquid separator is matched with the discharge pipe, a condenser is provided at one side of the vapor-liquid separator, an, the one side bottom of condenser is equipped with the water inlet, and the opposite side top of condenser is equipped with the delivery port, and the inside of condenser is equipped with the condenser pipe, the top and the inside intercommunication of intake pipe of condenser pipe, the bottom and the inside intercommunication of drain pipe of condenser pipe, the below of condenser is equipped with retrieves the storehouse, retrieves the storehouse and cooperatees with the condenser.
Further, the below of concentrated jar be equipped with the base, be fixed with four evenly distributed's fixed column between base and the concentrated jar, the motor is located between two discharge gates, the inside bottom mounting of concentrated jar has a stopper, the stopper is located between two discharge gates, the recovery storehouse is placed on the base.
Further, vapour and liquid separator's air inlet be fixed with first passage, the end of first passage and the top fixed connection of discharging pipe, first passage communicates with vapour and liquid separator and discharging pipe respectively, vapour and liquid separator's gas outlet is fixed with the second passage, the end of second passage and the top union coupling of intake pipe, the second passage communicates with vapour and liquid separator and intake pipe respectively, vapour and liquid separator's bottom is equipped with down the liquid pipe, down liquid pipe and vapour and liquid separator intercommunication, down the liquid pipe bottom mounting has the third passage, the lateral wall fixed connection of third passage and concentration tank, the third passage communicates with down liquid pipe and concentration tank respectively.
Further, vapour and liquid separator's inside top center department be fixed with the baffle, the both sides of baffle are fixed with a plurality of evenly distributed's first curb plate, first curb plate becomes 60 degrees angles with the baffle, vapour and liquid separator's inside both sides wall is fixed with a plurality of evenly distributed's second curb plate, the second curb plate becomes 60 degrees angles with vapour and liquid separator's lateral wall, first curb plate sets up with the second curb plate is crisscross.
Furthermore, the bottom end of the condensing pipe is in threaded connection with a connector, the top end of the recovery bin is provided with a recovery port, and the top end of the recovery port is in threaded connection with the connector.
The invention has the beneficial effects that: the invention uses a concentration tank in the process of reclaiming glucosamine hydrochloride, the concentration tank drives a rotating shaft to rotate through a motor, the rotating shaft drives a stirring blade to stir dialysate, a heater heats the dialysate, the arrangement of the fixed blade prevents vortex flow from being generated when the dialysate is stirred, thereby preventing equipment from vibrating, prolonging the service life of the equipment, the arrangement of the stirring blade ensures that the dialysate is heated more uniformly, and the heating efficiency is improved, thereby improving the working efficiency of reclaiming the glucosamine hydrochloride, gas volatilized by heating carries the liquid to enter a gas-liquid separator along a discharge pipe and a first guide pipe, the gas impacts a baffle plate, a first side plate and a second side plate to separate liquid drops inside the gas from the gas, the liquid drops are gathered at the bottom of the gas-liquid separator and enter the concentration tank again through a lower liquid pipe and a third guide pipe, the setting up of first curb plate and second curb plate makes the fine separation of gas and liquid, has guaranteed that the volume of required recovery thing can not take place to reduce because of the concentration, and gas gets into the condenser by the second passage in, lets in water in the condenser by the water inlet, to water by the delivery port discharge, and gas gets into the condenser pipe and condenses and liquefies again, is retrieved by retrieving the storehouse, retrieves the setting in storehouse for the concentrated waste liquid is collected, has reduced environmental pollution.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a concentrator in a method for recovering glucosamine hydrochloride from a glucosamine hydrochloride hydrolysate according to the present invention;
FIG. 2 is a schematic view showing the structure of a vapor-liquid separator in the concentrator of the present invention;
FIG. 3 is a top view of the interior of the vapor-liquid separator of the concentrator of the present invention;
FIG. 4 is a schematic view of the condenser of the present invention.
In the figure: 1. a base; 11. fixing a column; 2. a concentration tank; 21. a feed inlet; 22. a discharge port; 23. a discharge pipe; 231. a first material guide pipe; 24. a motor; 25. a rotating shaft; 26. a stirring blade; 27. a fixed blade; 28. a heater; 29. a limiting block; 3. a vapor-liquid separator; 31. a second material guide pipe; 32. a liquid discharging pipe; 321. a third material guide pipe; 33. a partition plate; 34. a first side plate; 35. a second side plate; 4. a condenser; 41. an air inlet pipe; 42. a liquid outlet pipe; 43. a water inlet; 44. a water outlet; 45. a condenser tube; 46. a connector; 5. a recovery bin; 51. and a recovery port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A method for recovering glucosamine hydrochloride from a glucosamine hydrochloride hydrolysate specifically comprises the following steps:
step S1: adding deionized water into the glucosamine hydrochloride hydrolysate to prepare diluted glucosamine hydrochloride hydrolysate;
step S2: the glucosamine hydrochloride hydrolyzed solution prepared in the step S1 is addedFiltering with Suntar-3E12 acid-resistant composite membrane under the membrane feeding pressure of 25kg/cm2The film discharge pressure is 15kg/cm2Filtering at 30 ℃ and membrane flux of 100mL/min to obtain dialysate;
step S3: adding the dialysate prepared in the step S2 into a concentrator to obtain a concentrated solution, stirring the concentrated solution at a cooling speed of 2 ℃/h and a rotation speed of 220r/min until the temperature is reduced to 10 ℃, adding an ethanol solution, continuously cooling to 5 ℃ at a rotation speed of 120r/min, and keeping stirring for 2h to obtain a mixed solution;
step S4: and (4) centrifuging the mixed solution prepared in the step (S3) to obtain wet crystals, and drying the wet crystals for 3 hours at the temperature of 65 ℃ to obtain the glucosamine hydrochloride.
Example 2
A method for recovering glucosamine hydrochloride from a glucosamine hydrochloride hydrolysate specifically comprises the following steps:
step S1: adding deionized water into the glucosamine hydrochloride hydrolysate to prepare diluted glucosamine hydrochloride hydrolysate;
step S2: filtering the glucosamine hydrochloride hydrolysate prepared in the step S1 by adopting a Suntar-3E12 acid-resistant composite membrane under the membrane inlet pressure of 30kg/cm2The film discharge pressure is 20kg/cm2Filtering at 40 ℃ and membrane flux of 120mL/min to obtain dialysate;
step S3: adding the dialysate prepared in the step S2 into a concentrator to obtain a concentrated solution, stirring the concentrated solution at a cooling speed of 3 ℃/h and a rotation speed of 240r/min until the temperature is reduced to 10 ℃, adding an ethanol solution, continuously cooling to 5 ℃ at a rotation speed of 140r/min, and keeping stirring for 2.5h to obtain a mixed solution;
step S4: and (4) centrifuging the mixed solution prepared in the step (S3) to obtain wet crystals, and drying the wet crystals at the temperature of 70 ℃ for 3.5 hours to obtain the glucosamine hydrochloride.
Referring to fig. 1-4, the concentrator according to the above embodiment includes a concentrating tank 2, a feeding port 21 is disposed at a top end of one side of the concentrating tank 2, two opposite discharging ports 22 are disposed at a bottom end of the concentrating tank 2, a discharging pipe 23 is disposed at a center of a top end of the concentrating tank 2, a motor 24 is fixed at a center of a bottom end of the concentrating tank 2, a rotating shaft 25 is fixed at an output end of the motor 24, the rotating shaft 25 is located inside the concentrating tank 2, the rotating shaft 25 is rotatably connected to a bottom wall of the concentrating tank 2, a plurality of uniformly distributed stirring blades 26 are fixed on the rotating shaft 25, a plurality of uniformly distributed fixing blades 27 are fixed on a side wall inside the concentrating tank 2, the stirring blades 26 and the fixing blades 27 are staggered, a heater 28 is fixed on an outer side wall of the concentrating tank 2, a vapor-liquid separator 3 is disposed at one side of the concentrating tank 2, the vapor-liquid separator, the top of condenser 4 is equipped with intake pipe 41, condenser 4 bottom is equipped with drain pipe 42, intake pipe 41 cooperatees with vapour and liquid separator 3, one side bottom of condenser 4 is equipped with water inlet 43, the opposite side top of condenser 4 is equipped with delivery port 44, the inside of condenser 4 is equipped with condenser pipe 45, the top and the inside intercommunication of intake pipe 41 of condenser pipe 45, the bottom and the inside intercommunication of drain pipe 42 of condenser pipe 45, the below of condenser 4 is equipped with retrieves storehouse 5, it cooperatees with condenser 4 to retrieve storehouse 5.
The air inlet of vapour and liquid separator 3 be fixed with first passage 231, the end of first passage 231 and the top fixed connection of discharging pipe 23, first passage 231 communicates with vapour and liquid separator 3 and discharging pipe 23 respectively, vapour and liquid separator 3's gas outlet is fixed with second passage 31, the end of second passage 31 and the top union coupling of intake pipe 41, second passage 31 communicates with vapour and liquid separator 3 and intake pipe 41 respectively, vapour and liquid separator 3's bottom is equipped with down pipe 32, down pipe 32 and vapour and liquid separator 3 intercommunication, down pipe 32 bottom mounting has third passage 321, third passage 321 and the lateral wall fixed connection of concentration tank 2, third passage 321 communicates with down pipe 32 and concentration tank 2 respectively.
Inside top center department of vapour and liquid separator 3 be fixed with baffle 33, the both sides of baffle 33 are fixed with a plurality of evenly distributed's first curb plate 34, first curb plate 34 becomes 60 degrees angles with baffle 33, vapour and liquid separator 3's inside both sides wall is fixed with a plurality of evenly distributed's second curb plate 35, second curb plate 35 becomes 60 degrees angles with vapour and liquid separator 3's lateral wall, first curb plate 34 sets up with second curb plate 35 is crisscross.
The bottom end of the condensation pipe 45 is in threaded connection with a connector 46, the top end of the recovery bin 5 is provided with a recovery port 51, and the top end of the recovery port 51 is in threaded connection with the connector 46.
The working process and the working principle of the concentrator are as follows:
the dialysate prepared in the step S2 is added into the concentration tank 2 through the feed inlet 21, the motor 24 and the heater 28 are turned on, the motor 24 drives the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring blade 26 to stir the dialysate, the heater 28 heats the dialysate, the arrangement of the fixed blade 27 prevents the dialysate from generating a vortex flow when stirring the dialysate, thereby preventing the device from vibrating, prolonging the service life of the device, the arrangement of the stirring blade 26 enables the dialysate to be heated more uniformly, and improves the heating efficiency, thereby improving the working efficiency of recycling glucosamine hydrochloride, the heated and volatilized gas carries the liquid to enter the vapor-liquid separator 3 along the discharge pipe 23 and the first guide pipe 231, the gas impacts the partition plate 33, the first side plate 34 and the second side plate 35, so that liquid drops inside the gas are separated from the gas, and the liquid drops are gathered at the bottom of the vapor-liquid separator 3, get into concentrated jar 2 again by downcomer 32 and third passage 321, first curb plate 34 and second curb plate 35 set up, make the fine separation of gas and liquid, the volume of having guaranteed required recovery thing can not take place to reduce because of the concentration, gas gets into in condenser 4 by second passage 31, let in condenser 4 with water by water inlet 43, discharge by delivery port 44 to water, gas gets into condenser pipe 45 and carries out the condensation reliquefaction again, retrieve by retrieving storehouse 5, retrieve the setting in storehouse 5, make concentrated waste liquid collect, environmental pollution has been reduced, accomplish after concentrating, collect the concentrate by discharge gate 22.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (8)
1. The method for recovering glucosamine hydrochloride from the glucosamine hydrochloride hydrolysate is characterized by comprising the following steps: the method specifically comprises the following steps:
step S1: adding deionized water into the glucosamine hydrochloride hydrolysate to prepare diluted glucosamine hydrochloride hydrolysate;
step S2: filtering the glucosamine hydrochloride hydrolysate prepared in the step S1 by adopting an acid-resistant composite membrane under the membrane inlet pressure of 25-30kg/cm2The film discharge pressure is 15-20kg/cm2Filtering at 30-40 deg.c and membrane flux of 100-120mL/min to obtain dialysate;
step S3: adding the dialysate prepared in the step S2 into a concentrator to obtain a concentrated solution, stirring the concentrated solution at a cooling speed of 2-3 ℃/h and a rotation speed of 220-140 r/min until the temperature is reduced to 10 ℃, adding an ethanol solution, continuously cooling to 5 ℃ at a rotation speed of 120-140r/min, and keeping stirring for 2-2.5h to obtain a mixed solution;
step S4: and (4) centrifuging the mixed solution prepared in the step (S3) to obtain wet crystals, and drying the wet crystals at the temperature of 65-70 ℃ for 3-3.5h to obtain the glucosamine hydrochloride.
2. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 1, wherein the method comprises the steps of: the mass fraction of the solute in the diluted glucosamine hydrochloride hydrolysate in the step S1 is 15%, the mass fraction of the solute in the concentrated solution in the step S2 is 70%, and the volume ratio of the concentrated solution to the ethanol solution in the step S3 is 1: 2, the volume fraction of the ethanol solution is 95%.
3. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 1, wherein the method comprises the steps of: step S3 the concentrator, including concentration tank (2), one side top of concentration tank (2) is equipped with feed inlet (21), concentration tank (2) bottom is equipped with two discharge gates (22) that set up relatively, the top center department of concentration tank (2) is equipped with discharging pipe (23), the bottom center department of concentration tank (2) is fixed with motor (24), the output of motor (24) is fixed with pivot (25), pivot (25) are located the inside of concentration tank (2), pivot (25) and the diapire of concentration tank (2) are rotated and are connected, be fixed with a plurality of evenly distributed 'S stirring vane (26) on pivot (25), the inside lateral wall of concentration tank (2) is fixed with a plurality of evenly distributed' S fixed blade (27), stirring vane (26) and fixed blade (27) crisscross setting, the outside lateral wall of concentration tank (2) is fixed with heater (28), one side of concentration tank (2) is equipped with vapour and liquid separator (3), vapour and liquid separator (3) cooperate with discharging pipe (23), one side of vapour and liquid separator (3) is equipped with condenser (4), the top of condenser (4) is equipped with intake pipe (41), condenser (4) bottom is equipped with drain pipe (42), intake pipe (41) cooperate with vapour and liquid separator (3), one side bottom of condenser (4) is equipped with water inlet (43), the opposite side top of condenser (4) is equipped with delivery port (44), the inside of condenser (4) is equipped with condenser pipe (45), the top and the inside intercommunication of intake pipe (41) of condenser pipe (45), the bottom and the inside intercommunication of drain pipe (42) of condenser pipe (45), the below of condenser (4) is equipped with retrieves storehouse (5), it cooperatees with condenser (4) to retrieve storehouse (5).
4. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 3, wherein the method comprises the steps of: the below of concentrated jar (2) be equipped with base (1), be fixed with four evenly distributed's fixed column (11) between base (1) and concentrated jar (2), motor (24) are located between two discharge gates (22), the inside bottom mounting of concentrated jar (2) has stopper (29), stopper (29) are located between two discharge gates (22), recovery storehouse (5) are placed on base (1).
5. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 3, wherein the method comprises the steps of: the air inlet of vapour and liquid separator (3) be fixed with first passage (231), the end of first passage (231) and the top fixed connection of discharging pipe (23), first passage (231) communicate with vapour and liquid separator (3) and discharging pipe (23) respectively, the gas outlet of vapour and liquid separator (3) is fixed with second passage (31), the end and the top union coupling of intake pipe (41) of second passage (31), second passage (31) communicate with vapour and liquid separator (3) and intake pipe (41) respectively, the bottom of vapour and liquid separator (3) is equipped with down liquid pipe (32), down liquid pipe (32) and vapour and liquid separator (3) intercommunication, down liquid pipe (32) bottom mounting has third passage (321), third passage (321) and the lateral wall fixed connection of concentrated jar (2), third passage (321) communicate with down liquid pipe (32) and concentrated jar (2) respectively.
6. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 3, wherein the method comprises the steps of: inside top center department of vapour and liquid separator (3) be fixed with baffle (33), the both sides of baffle (33) are fixed with a plurality of evenly distributed's first curb plate (34), first curb plate (34) become 60 degrees angles with baffle (33), the inside both sides wall of vapour and liquid separator (3) is fixed with a plurality of evenly distributed's second curb plate (35), second curb plate (35) become 60 degrees angles with the lateral wall of vapour and liquid separator (3), first curb plate (34) and crisscross setting of second curb plate (35).
7. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 3, wherein the method comprises the steps of: the bottom end of the condensation pipe (45) is connected with a connector (46) in a threaded manner, the top end of the recovery bin (5) is provided with a recovery port (51), and the top end of the recovery port (51) is connected with the connector (46) in a threaded manner.
8. The method for recovering glucosamine hydrochloride from glucosamine hydrochloride hydrolysate according to claim 1, wherein the method comprises the steps of: the specific operation procedure of step S2 is as follows:
adding the dialysate prepared in the step S2 into a concentration tank (2) through a feed inlet (21), starting a motor (24) and a heater (28), driving a rotating shaft (25) to rotate by the motor (24), driving a stirring blade (26) to stir the dialysate by the rotating shaft (25), heating the dialysate by the heater (28), leading heated and volatilized gas to carry liquid to enter a vapor-liquid separator (3) along a discharge pipe (23) and a first material guide pipe (231), leading the gas to impact a partition plate (33), a first side plate (34) and a second side plate (35) to separate liquid drops inside the gas from the gas, leading the liquid drops to be gathered at the bottom of the vapor-liquid separator (3), leading the gas to the concentration tank (2) again through a liquid discharge pipe (32) and a third material guide pipe (321), leading the gas to enter a condenser (4) through the second material guide pipe (31), leading water into the condenser (4) through a water inlet (43), when water is discharged from a water outlet (44), gas enters a condensing pipe (45) for condensation and re-liquefaction, is recovered by a recovery bin (5), after the concentration is finished, concentrated solution is collected by a discharge hole (22), the concentrated solution is stirred under the conditions that the temperature reduction speed is 2-3 ℃/h and the rotating speed is 220-140 r/min until the temperature is reduced to 10 ℃, ethanol solution is added, the temperature is continuously reduced to 5 ℃ under the conditions that the rotating speed is 120-140r/min, and the stirring is kept for 2-2.5h, so that mixed solution is prepared.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114210101A (en) * | 2021-11-19 | 2022-03-22 | 山东润德生物科技有限公司 | Separation system of products in glucosamine hydrolysate |
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|---|---|---|---|---|
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Application publication date: 20200814 |