CN108467820B - Biological enzymolysis preparation production line of animal peptone - Google Patents
Biological enzymolysis preparation production line of animal peptone Download PDFInfo
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- CN108467820B CN108467820B CN201810633910.1A CN201810633910A CN108467820B CN 108467820 B CN108467820 B CN 108467820B CN 201810633910 A CN201810633910 A CN 201810633910A CN 108467820 B CN108467820 B CN 108467820B
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/18—Apparatus specially designed for the use of free, immobilized or carrier-bound enzymes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/20—Heating; Cooling
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/02—Separating microorganisms from the culture medium; Concentration of biomass
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/14—Drying
Abstract
The invention provides a biological enzymolysis preparation production line of animal peptone, which is used for cooking, separating, carrying out enzymolysis, filtering, concentrating, homogenizing and drying clean aggregate after pretreatment treatment to form dry powdery animal protein.
Description
Technical Field
The invention relates to the technical field of animal protein extraction, in particular to a biological enzymolysis preparation production line of animal peptone.
Background
The more the application occasions of the existing animal peptone are, the reagent peptone and the industrial peptone are, but the flow production of the production peptone is weaker, so that the production quantity of the peptone can not meet the requirements, and the problems of waste and long production time in the production process are also caused. In order to solve the problem, many production enterprises increase the yield by expanding the production scale and the production capacity of a single process, but the purpose of continuous production cannot be solved, and the purpose of automatic and intelligent development of the manufacturing industry cannot be met.
Disclosure of Invention
In view of the problems of waste and low productivity caused by poor continuity, poor automation and poor intellectualization of animal peptone production in the prior art, it is necessary to provide a biological enzymolysis preparation production line of animal peptone.
The biological enzymolysis preparation production line of the animal peptone comprises an aggregate digestion device, a primary material separation device, a primary liquid enzymolysis device, a primary filtering device, a concentration device, a high-pressure homogenizing device and a spray drying device, wherein the aggregate digestion device is the initial end of the whole production line, namely the initial procedure of production, is used for digestion of the aggregate to produce peptone primary material, and is connected with the primary material separation device through a pipeline so as to realize that the peptone primary material is conveyed from a multifunctional digester to the primary material separation device; the primary material separating device is used for separating the peptone primary liquid from the grease in the peptone primary material and conveying the peptone primary liquid into the primary liquid enzymolysis device through a pipeline; the primary liquid enzymolysis device is used for enzymolysis of the peptone primary liquid so as to produce peptone enzymolysis liquid, and the peptone enzymolysis liquid is conveyed to the primary filtering device through a pipeline; the first-stage filtering device filters impurities formed by enzymolysis in the enzymolyzed peptone enzymolysis liquid to produce peptone first-stage filtrate, the peptone first-stage filtrate is conveyed to the concentrating device through a pipeline, the concentrating device carries out three-stage concentration treatment on the peptone first-stage filtrate to produce peptone concentrated liquid, and the concentrating device is connected with the high-pressure homogenizing device through a pipeline; the high-pressure homogenizing device is used for homogenizing the peptone concentrated solution and conveying the peptone concentrated solution produced after the treatment to the spray drying device; the spray drying apparatus treats the peptone homogeneous solution into peptone, thereby completing the preparation of animal peptone.
Aggregate cooking device, including digester, rotary device, aggregate add platform and tripod, the whole spheroid that is of digester spheroid that is equipped with layering baffle in the digester spheroid the centre of sphere height position of digester is equipped with the rotation axis, is equipped with the preliminary material outlet pipe of peptone on the symmetry position of rotation axis, with rotation axis and the preliminary material outlet pipe of peptone are equipped with aggregate access & exit and residual material export in 90 degrees positions of vertical face, are equipped with a plurality of air outlet valves in the hemisphere position that aggregate access & exit is located. The aggregate steaming device is used for steaming and boiling aggregates to produce peptone primary materials, the aggregates added into the aggregate steaming device are the primarily cleaned aggregates, and the cleaning of the aggregates is mainly to remove the meat quality remained on the surfaces of the aggregates. The aggregate digestion device enables the aggregate and the peptone primary material to be separated from each other by arranging the internal layering partition plates, so that the aggregate is prevented from being mixed in the peptone primary material.
The whole primary material separating device is of a barrel-shaped structure, a protein primary material inlet is formed in the upper end of the barrel-shaped primary material separating device, a peptone primary liquid outlet is formed in the edge, close to the bottom, of the lower end of the barrel-shaped primary material separating device, the bottom of the primary material separating device is of an inclined surface structure, the height of the peptone primary liquid outlet is lower than that of the inclined surface structure, an oil liquid interface observation window is formed in the upper portion of the peptone primary liquid outlet, which is at the same height as the inclined surface structure, of the peptone primary liquid outlet, so that the peptone primary liquid outlet is effectively closed in time, and the effective separation of the peptone primary liquid and oil in the peptone primary material is realized.
The upper end of the primary liquid enzymolysis device is provided with a peptone primary liquid inlet, the lower end of the primary liquid enzymolysis device is provided with a peptone enzymolysis liquid outlet, the peptone primary liquid inlet is connected with the peptone primary liquid outlet on the primary material separation device through a pipeline, and the peptone primary liquid entering the primary liquid enzymolysis device is used for producing peptone enzymolysis liquid under the action of pancreatin and hydrochloric acid. In order to improve the enzymolysis efficiency of the primary liquid enzymolysis device, a heating device is further arranged on the primary liquid enzymolysis device so as to heat and preserve heat of the solution in the primary liquid enzymolysis device. The enzymolysis process of the peptone primary liquid comprises the following steps:
1) The temperature of the peptone primary material entering the primary material enzymolysis device is kept at 52-50 ℃, and the temperature is the optimal temperature range of the enzymolysis benefit, so that the enzymolysis efficiency can reach more than 95%.
2) Adding pancreatin into the primary liquid enzymolysis device, and standing for at least 4 hours to enable the peptone primary material to be subjected to full enzymolysis and enable the particle impurities after enzymolysis to be fully precipitated;
3) Adding hydrochloric acid into the primary liquid enzymolysis device, heating the peptone liquid in the primary material enzymolysis device to enable the temperature of the peptone liquid in the primary material enzymolysis device to reach 95-100 ℃ so as to reduce the excessive alkalinity of the peptone liquid caused by enzymolysis, wherein the addition amount of the hydrochloric acid enables the light transmittance of the peptone liquid to reach 85-95% and the PH value to be 5.0-5.2;
4) Stopping heating, naturally cooling the peptone liquid in the primary liquid enzymolysis device to 89-92 ℃ and precipitating for at least 1 hour, wherein the solution in the primary liquid enzymolysis device is fully layered, namely the floaters at the uppermost layer, the peptone enzymolysis liquid in the middle layer and the precipitate at the bottom layer, and the peptone enzymolysis liquid outlet is arranged at the lower part of the middle layer and positioned at the height position above the bottom layer.
When it is desired to produce reagent peptone solution, 30kg of pancreatin should be added to the peptone starting material digested with 1 ton of aggregate.
When it is desired to produce an industrial peptone solution, 20kg of pancreatin should be added to a peptone starting material steamed from 1 ton of aggregate.
The first-stage filter device is a plate frame filter, the peptone enzymatic hydrolysate is pumped into each sealed filter chamber of the plate frame filter, under the action of working pressure, the peptone enzymatic hydrolysate is discharged into the first-stage filter liquid storage device through a liquid outlet by a filter membrane or other filter materials, and residues and impurities in the peptone enzymatic hydrolysate are left in the frame to form a filter cake, so that the purpose of separating the peptone enzymatic hydrolysate from aggregate impurities and enzymatic hydrolysis impurities is achieved. The input end of the primary filter device is connected with a peptone enzymatic hydrolysate outlet on the primary liquid enzymatic hydrolysis device through a pipeline, and the liquid outlet of the primary filter device is connected with the concentration device.
The concentration device is used for concentrating the peptone first-stage filtrate, and the concentration device can be a triple effect evaporator, and the triple effect evaporator is provided with tertiary evaporation, and the peptone first-stage filtrate reaches the required concentration through tertiary circulation evaporation. The three-effect evaporator comprises a first-stage evaporator, a second-stage evaporator, a third-stage evaporator, a condenser and an external heater, wherein each stage of evaporator comprises a heater, an evaporation chamber and a gas-liquid separator, the evaporation chamber at the upper part of each stage of evaporator and the gas-liquid separator at the lower part of each stage of evaporator form self-circulation through a circulation pipeline, and the gas-liquid separator at the upper stage is connected with the evaporation chamber at the lower stage through a steam pipeline for steam recycling. And meanwhile, a steam return pipe and an external heater are arranged on the first-stage evaporator so as to improve the utilization effect of secondary steam. And the two adjacent evaporators are connected through a U-shaped balance pipe to balance the amount of peptone liquid in each evaporator and ensure the discharge of the peptone liquid. The triple effect evaporator has the advantages of high concentration speed, good concentration effect and very low content of effective substances after condensation of concentrated water vapor, so that the loss of the peptone liquid is extremely low, and the production benefit of the peptone liquid is effectively improved.
One end of the high-pressure homogenizing device is connected with an outlet of the peptone concentrated solution in the concentrating device, and the other end of the high-pressure homogenizing device is connected with an inlet of the peptone concentrated solution on the spray drying device, namely the peptone concentrated solution entering the high-pressure homogenizing device is homogenized to generate the peptone homogenized solution. The high-pressure homogenizing device forms high-speed fluid from the peptone concentrate in a suspension state under the action of ultrahigh pressure, even if the peptone concentrate flows through the high-pressure homogenizing device at high speed, and the peptone concentrate in the suspension state is processed into the peptone homogenate in an emulsion state under the action of the high-pressure homogenizing device.
The spray drying device is used for drying the peptone homogeneous solution, namely, the peptone homogeneous solution is dried into peptone powder, thereby completing the enzymolysis preparation of the whole animal protein. The spray drying device is provided with a spray drying chamber, the peptone homogeneous solution is atomized in the spray drying chamber and then contacted with hot air, moisture is quickly vaporized, and dry peptone powder can be obtained, and through spray drying treatment, the emulsion can be directly dried into powdery or granular products, so that the procedures of crushing, grinding and the like are omitted, and the production benefit and the production yield of peptone are effectively improved.
As a further limitation of the invention, the biological enzymolysis production line of the animal peptone also comprises an enzymolysis liquid storage device, wherein the enzymolysis liquid storage device is arranged between the primary liquid enzymolysis device and the primary filter device, the primary liquid enzymolysis device and the primary filter device are connected through a pipeline, the enzymolyzed peptone enzymolysis liquid directly enters the enzymolysis liquid storage device through the pipeline, the peptone enzymolysis liquid is subjected to first precipitation in the enzymolysis liquid storage device, and the precipitated peptone enzymolysis liquid is conveyed to the primary filter device through the pipeline.
As a further limitation of the present invention, the biological enzymolysis production line of animal peptone further comprises a primary filtrate relay unit and a primary filtrate storage unit, which are provided between the primary filtration unit and the concentration unit, to accumulate sufficiently concentrated primary filtrate to enable the production to be operated in connection or to maximize the efficiency of the production line.
As a further limitation of the invention, the biological enzymolysis production line of the animal peptone further comprises a concentrated solution storage device, wherein the concentrated solution storage device is arranged between the concentrating device and the high-pressure homogenizing device, and the concentrated solution storage device is connected with the high-pressure homogenizing device through a pipeline and is used for cooling the peptone concentrated solution, so that the peptone concentrated solution entering the high-pressure homogenizing device can meet the homogenizing process requirement, namely, the temperature of the peptone concentrated solution entering the high-pressure homogenizing device is lower than 40-50 ℃.
As a further limitation of the present invention, when reagent peptone is required to be produced, a secondary filter device, which may be a straight plate filter, is added between the primary filter device and the concentrating device to achieve fine filtration of the primary filtrate of peptone, thereby satisfying the demand of reagent peptone.
More preferably, a peptone secondary filtrate storage device is further arranged between the secondary filtrate storage device and the concentrating device, the primary filtrate storage device is used for collecting peptone secondary filtrate from the secondary filtrate storage device, when the peptone secondary filtrate in the secondary filtrate storage device reaches a set amount, the peptone secondary filtrate is conveyed into the concentrating device, the concentrating process of the peptone secondary filtrate is started, and the concentration device can be ensured to continuously and effectively operate by the peptone secondary filtrate stored in the secondary filtrate storage device, so that the production continuity is ensured, the production beat is shortened, and the production efficiency is improved.
As a further limitation of the invention, the biological enzymolysis preparation production line of the animal peptone also comprises an electrical control cabinet, wherein the electrical control cabinet is used for realizing the automation and the remote control of the production line, thereby reducing operators, and the electromagnetic valves are arranged on the connecting pipelines of the process equipment to realize the opening and the closing of the remote control electromagnetic valves so as to realize the control of the whole production process, thereby not only improving the production efficiency, but also reducing the personnel cost, reducing the uncontrollability caused by manual operation and improving the production reliability.
The technical effects of the above technical scheme are as follows: according to the biological enzymolysis preparation production line of the animal peptone, through connecting all production equipment with the pipeline, the manual operation or the transport device is avoided, the production continuity is improved, the production rhythm is improved, the time required by the sequence conversion between working procedures is shortened, the production beat of the whole production is shortened, the production efficiency and the single yield are improved, and the productivity of an inherent field is exerted to the greatest extent. The special aggregate cooking device provided by the invention ensures that the cooking of the aggregate is more effective and more convenient, and the obtained peptone primary material is cleaner. The oil-water separation observation window and the peptone primary liquid low-level outlet of the primary material separation device provided by the invention enable the peptone primary liquid to be completely separated from grease, thereby improving the quality of peptone.
Drawings
FIG. 1 is a layout of a production line for the biological enzymolysis of U-type animal peptone (industrial peptone);
FIG. 2 is a layout of a production line for the biological enzymolysis of U-type animal peptone (reagent type peptone)
FIG. 3 is a schematic diagram of a multi-functional rotary digester;
FIG. 4 is a schematic diagram of a primary separation apparatus;
FIG. 5 is a schematic view of a three-effect evaporator;
in the figure, a 1-aggregate steaming device; 1A-a digester; 1B-a rotating device; 1C-adding aggregate into a platform; 1D-a tripod; 2-a primary material separation device; 2A-peptone primary liquid outlet; 2B-bevel structure; 2C-a viewing window; 3-primary liquid enzymolysis device; 4-an enzymolysis liquid storage device; 5-a first stage filter device; 6-a first-stage filtrate transfer device; 7-a primary filtrate storage device; 8-a secondary filter device; 9-a secondary filtrate storage device; 10-concentrating means; 10A-a heater; 10B-evaporation chamber; 10C-a gas-liquid separator; a 10D-condenser; 10E-external heater; 11-a concentrate storage device; 12-a high-pressure homogenizing device; 13-a spray drying device; 14-a collection device; 15-an electrical control cabinet.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment one: industrial peptone enzymolysis preparation production line.
As shown in figure 1, the biological enzymolysis preparation production line of animal peptone is in a U-shaped layout, and the two ends of the U are respectively an initial procedure and a final procedure of enzymolysis preparation, so that the transfer path end of an intermediate product is realized, and the conveying distance of raw materials and terminal products is also shortest, thereby improving the turnover rate.
The biological enzymolysis of animal peptone is divided into an aggregate pretreatment process, an aggregate digestion process, a primary material separation process, a primary liquid enzymolysis process, a primary filtering process, a secondary filtering process, a concentration process, a homogenization process and a drying process, each process corresponds to corresponding equipment, a connecting device, a connecting pipeline and the like among the processes, and the whole production process is conveyed by the material pipelines, so that the contact of an intermediate product and a worker is avoided, the pollution of the product is avoided, the continuous circulation of the processes is promoted, the process can be smoothly carried out, and the enzymolysis preparation efficiency and the process yield are improved.
The aggregate pretreatment process is used for removing the meat quality remained on the aggregate, so that the purity and quality of the bone peptone are improved.
The equipment that the aggregate cooking process adopted is aggregate cooking device 1, and aggregate cooking device 1 includes that the boiler 1A, rotary device 1B, aggregate add platform 1C and tripod 1D, and the whole spheroid that is of boiler 1A, also the boiler spheroid is equipped with the layering baffle inside the boiler spheroid be equipped with rotary device 1B's rotation axis on the spherical center of sphere height position of boiler spheroid, be equipped with the preliminary material outlet pipe of peptone in the symmetry position of rotation axis, be equipped with aggregate access & exit and residual material export in with the position of rotation axis and the preliminary material outlet pipe vertical surface 90 degrees, be equipped with a plurality of air outlet valves in the hemisphere position that aggregate access was located. The aggregate digestion device 1 is used for digesting the aggregate to produce peptone primary materials, the aggregate added into the aggregate digestion device 1 is pretreated aggregate, and the aggregate pretreatment is used for removing the meat quality remained on the surface of the aggregate. The aggregate digestion device 1 makes aggregate and peptone forematerial separate each other through the layering baffle that sets up inside to avoid mixing the aggregate of macroparticle in the peptone forematerial, and can be convenient pour the aggregate after the digestion through rotatable digester 1A, thereby made things convenient for the clearance of digester 1A.
The equipment that the primary material separation process adopted is primary material separator 2, primary material separator 2 wholly is barrel structure, be equipped with the preliminary material entry of protein in barrel preliminary material separator 2 upper end, be equipped with preliminary liquid outlet 2A of peptone on the bottom surface of barrel preliminary material separator 2, and the bottom of preliminary material separator 1 sets up to inclined plane structure 2B, preliminary liquid outlet 2A of peptone sets up the lower extreme at inclined plane structure bottom surface, and be used for observing the observation window 2C of water oil interface and set up on the barrel wall of preliminary liquid outlet 2A's homonymy, and the position of observation window 2C is located inclined plane structure 2B's high-end horizontal line position, thereby the preliminary liquid outlet of effectual observation fluid, thereby realize that preliminary liquid of peptone in the preliminary material of peptone can effectively separate with the grease, thereby provide good preliminary liquid of peptone for obtaining the peptone of higher purity.
The equipment that enzymolysis process adopted is just liquid enzymolysis device 3, just liquid enzymolysis device 3 is for having heating device bucket structure, it is equipped with peptone and just liquid entry and peptone enzymolysis liquid outlet, peptone just liquid entry links to each other with just liquid outlet of material separator 2 through the pipeline, still be equipped with agitating unit in just liquid enzymolysis device 3 simultaneously, with the trypsin intensive mixing who adds from just liquid enzymolysis device 3 top, make the peptone just liquid can obtain abundant enzymolysis, i.e. just liquid enzymolysis device 3 top is equipped with the enzymolysis reagent and adds the window, the peptone enzymolysis liquid after the enzymolysis is discharged into enzymolysis liquid storage device 4 through the pipeline, carry out the precipitation of enzymolysis back peptone liquid in enzymolysis liquid storage device 4, in order to obtain comparatively clear peptone enzymolysis liquid. In order to improve the productivity of the whole enzymolysis preparation production line, the primary liquid enzymolysis device 3 can be provided with a plurality of primary liquid enzymolysis devices 3, such as three barrel-shaped structures on the production line.
The equipment that the primary filter process adopted is primary filter equipment 5, and enzymolysis liquid storage device 4 one end is passed through the pipe connection and is in primary liquid enzymolysis device 3 for accept the peptone enzymolysis liquid after the enzymolysis, and enzymolysis liquid storage device 4 other end passes through pipe connection on primary filter equipment 5, in order to carry the peptone enzymolysis liquid through the clarification to primary filter equipment 5, filter peptone enzymolysis liquid by primary filter equipment 5. The primary filter device 5 is coarse filtration, and is used for filtering and removing particle impurities in the peptone enzymatic hydrolysate, so that the core equipment adopted by the primary filter device 5 is a plate-frame filter. Because the filtration process is slower, in order not to influence the continuous operation of follow-up process, be equipped with one-level filtrate transfer device 6 and one-level filtrate storage device 7 between one-level filtration process and secondary filtration process, one-level filtrate transfer device 6 is used for accepting the peptone one-level filtrate of one-level filter device 5 output, when the peptone one-level filtrate in one-level filtrate transfer device 6 is accumulated to one-level filtrate transfer device and is effectively held two-thirds of volume, begin to carry peptone one-level filtrate in to one-level filtrate storage device 7, wherein pass through pipe connection between one-level filtrate transfer device 6 and the one-level filtrate storage device 7.
The equipment that concentration process adopted is enrichment facility 10, enrichment facility 10 is three effect evaporators, and the tertiary evaporation concentration promptly adopts the mode of hot steam cyclic utilization to promote heat utilization efficiency, and the peptone first order filtrate after straining is carried to first effect evaporator through the pipeline, after continuous first effect evaporation, second effect evaporation and third effect evaporation, makes the peptone first order filtrate concentration of concentration not higher than 14mol/L be the peptone concentrate of concentration higher than 17mol/L, and the peptone concentrate of high temperature is carried to concentrate storage device 11 through the pipeline, and concentrate storage device 11 is used for the cooling effect, and even the peptone concentrate that gets into concentrate storage device 11 can cool to below 70 ℃ to satisfy the demand of subsequent procedure homogeneity process.
The equipment adopted in the homogenization procedure is a high-pressure homogenization device 12, the core equipment of the high-pressure homogenization device 12 is a high-pressure homogenizer, the high-pressure homogenizer is a peptone homogeneous liquid which is used for conveying peptone concentrated solution to be homogenized into the equipment through high pressure, and the peptone concentrated solution in a suspension state is changed into a peptone homogeneous solution in an emulsion state after physical and chemical changes and treatments in the equipment.
The equipment used in the drying process is a spray drying equipment 13, and the core equipment of the spray drying equipment 13 is a spray drying tower. The spray drying tower is directly connected with the high-pressure homogenizer through a pipeline, the homogenized opalescent peptone homogeneous solution enters the spray drying tower in a mist form under the action of ultrahigh pressure, hot air in the tower rapidly dries into powder and is deposited at the bottom of the spray drying tower, and a peptone powder collecting device 14 is further arranged at the outlet of the bottom of the spray drying tower.
For ease of transport, the peptone powder in the collection device 14 is divided into several separate packages of different parts by weight in the finished product packaging area.
As the enzymolysis of the core working procedure of the enzymolysis preparation production of the animal peptone, mainly realizes two treatments of the preliminary peptone solution, firstly, the enzymolysis ensures that the massive protein components with complex molecular structures in the preliminary peptone solution are decomposed into fine components; secondly, acidifying to change the primary peptone liquid caused by enzymolysis from alkali to acid, wherein the specific process comprises the following steps:
1) Detecting the temperature of the peptone primary liquid from the primary material separation device, wherein the temperature of the peptone primary liquid is controlled to be 50-52 ℃, and when the temperature of the peptone primary liquid is higher than 52 ℃, the peptone primary liquid is naturally cooled to be 50-52 ℃; if the temperature of the peptone primary liquid is lower than 50 ℃, starting a heating device on the primary liquid enzymolysis device, and heating the peptone primary liquid to 50-52 ℃;
2) Adding pancreatin from an enzymolysis reagent adding window at the top of the primary liquid enzymolysis device, starting a stirring device in the primary liquid enzymolysis device, stirring the peptone primary liquid for 5 minutes so that the pancreatin can fully react with the peptone primary liquid, and adding 10kg of pancreatin into the primary liquid enzymolysis device with 1000L of volume, wherein the enzymolysis time of the pancreatin is 4 hours;
3) After the enzymolysis is finished, monitoring the acid-base property of the peptone liquid in the primary liquid enzymolysis device, keeping the PH value of the peptone liquid in the primary liquid enzymolysis device between 5.0 and 5.2, ensuring that the light transmittance of the peptone liquid reaches 85% -95%, and for the primary liquid enzymolysis device with 1000L volume adopted in the embodiment, the adding amount of hydrochloric acid is 4.5L, and the temperature of the peptone liquid in the enzymolysis device is required to be ensured to be 95-100 ℃ in the acidification process, so that a heating device is required to be started to heat the peptone liquid in the primary liquid enzymolysis device after the enzymolysis is finished;
4) And after acidification and light transmittance are qualified, cooling the peptone liquid in the primary liquid enzymolysis device to 90 ℃, and precipitating for 1 hour, wherein the primary liquid enzymolysis device is divided into suspended floating matters at the top, peptone enzymolysis liquid in the middle layer and precipitates at the bottom.
Embodiment two: and (3) a reagent peptone enzymolysis preparation production line.
The reagent type peptone enzymolysis preparation production line is characterized in that a secondary filter device 8 is added on the industrial peptone enzymolysis preparation production line, the secondary filter device 8 is arranged between a primary filter device 5 and a concentration device 10, and a secondary filter liquid storage device 9 can be arranged between the secondary filter device 8 and the concentration device 10.
The equipment that the secondary filter process adopted is secondary filter 8, and secondary filter 8's core is the straight board filter for the secondary filter of peptone one-level filtrate to with the fine impurity filtering in the peptone one-level filtrate, because secondary filter 8 needs to have certain pressure, be equipped with the pressure pump on the connecting tube of secondary filter 8 and peptone one-level filtrate, thereby carry peptone one-level filtrate to secondary filter 8, the export of secondary filter 8 links to each other with secondary filter storage device 9, and secondary filter storage device 9 is used for accepting the peptone secondary filter from secondary filter 8 output.
It should be noted that, the standard proportion of pancreatin is:
1) If the reagent peptone is produced, the enzyme required by enzymolysis of the peptone primary liquid formed by 1 ton of peptone primary material obtained by digestion of fresh aggregate is 30kg;
2) If industrial peptone is produced, 20kg of pancreatin is required for the enzymolysis of peptone primary liquor formed by 1 ton of peptone primary liquor obtained by digestion of fresh aggregate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present invention.
Claims (9)
1. A biological enzymolysis production line of animal peptone comprises an aggregate digestion device (1), a primary material separation device (2), a primary liquid enzymolysis device (3), a primary filtering device (5), a concentration device (10), a high-pressure homogenizing device (12) and a spray drying device (13), wherein the devices are connected through pipelines to realize the transfer of products among different working procedures,
the aggregate digestion device (1) is used for digesting aggregate to produce peptone primary materials;
the primary material separation device (2) is used for separating grease in the peptone primary material from peptone primary liquid;
the primary liquid enzymolysis device (3) is used for enzymolysis and acidification of the peptone primary liquid so as to produce peptone enzymolysis liquid;
the primary filtering device (5) is used for filtering peptone enzymatic hydrolysate so as to filter out large-particle impurities after enzymatic hydrolysis and produce peptone primary filtrate;
the concentrating device (10) is used for concentrating the peptone secondary filtrate to produce peptone concentrate;
the high-pressure homogenizing device (12) is used for homogenizing peptone concentrated solution and producing peptone homogenized solution;
the spray drying device (13) is used for drying peptone homogeneous solution to produce peptone powder;
the whole primary material separation device (2) is of a barrel-shaped structure, a peptone primary material inlet is arranged at the upper end of the primary material separation device (2) of the barrel-shaped structure, and the peptone primary material inlet is connected with a peptone primary material conveying pipeline; the bottom surface of the primary material separation device (2) with the barrel-shaped structure is provided with a peptone primary liquid outlet (2A), and the peptone primary liquid outlet (2A) is connected with a peptone primary liquid conveying pipeline through a valve; the bottom of the primary material separation device (2) is provided with an inclined plane structure, the peptone primary liquid outlet (2A) is arranged at the low end of the bottom inclined plane structure (2B), the water-oil observation window (2C) is positioned on the barrel wall corresponding to the low end of the inclined plane structure (2B), and the height of the water-oil observation window is positioned on the high-end horizontal plane of the inclined plane structure (2B).
2. The biological enzymolysis preparation production line of animal peptone as claimed in claim 1, characterized in that the aggregate digestion device (1) comprises a digester (1A), a rotating device (1B), an aggregate adding platform (1C) and an a-frame (1D), the digester (1A) is in a sphere shape as a whole, a layered partition board is arranged inside the sphere of the digester (1A), a rotating shaft of the rotating device (1B) is arranged at the height position of the sphere center of the sphere of the digester (1A), a peptone primary material outlet pipe is arranged at the symmetrical position of the rotating shaft, an aggregate inlet and outlet and a residual material outlet are arranged at the positions forming 90 degrees with the vertical surfaces of the rotating shaft and the peptone primary material outlet pipe, and a plurality of air outlet valves are arranged at the positions of hemispheres where the aggregate inlet and outlet are positioned.
3. The biological enzymolysis preparation production line of animal peptone of claim 1, characterized in that, the primary liquid enzymolysis device (3) is a primary liquid enzymolysis tank with conical bottom or an enzymolysis barrel with conical bottom, the top of the primary liquid enzymolysis device (3) is provided with an enzymolysis reagent adding window, the inside of the primary liquid enzymolysis device (3) is also provided with a stirring device, and the inside of the primary liquid enzymolysis device (3) is also provided with a heating device.
4. The biological enzymolysis production line of animal peptone as claimed in claim 1, characterized in that the primary filter device (5) is a plate frame filter for filtering particulate impurities in peptone enzymatic hydrolysate.
5. The biological enzymolysis production line of animal peptone as claimed in claim 1, characterized in that the concentration device (10) is a three-effect evaporator comprising a first-stage evaporator, a second-stage evaporator, a third-stage evaporator, a condenser (10D) and an external heater (10E), each stage of evaporator comprises a heater (10A), an evaporation chamber (10B) and a gas-liquid separator (10C), the evaporation chamber (10B) at the upper part of each stage of evaporator and the gas-liquid separator (10C) at the lower part thereof form a self-circulation through a circulation pipeline, and the gas-liquid separator (10C) at the upper stage is connected with the evaporation chamber (10B) at the lower stage through a steam pipeline for steam recycling.
6. The line for producing animal peptone by biological enzymolysis as claimed in claim 1, wherein the high-pressure homogenizing apparatus (12) is for treating the peptone concentrate in a suspension state into a peptone homogeneous liquid in an emulsion state.
7. The biological enzymolysis production line of animal peptone as claimed in claim 1, characterized in that the spray drying device (13) is used for treating peptone homogeneous solution in emulsion state into peptone powder.
8. The biological enzymolysis production line of animal peptone as claimed in any one of claims 1 to 7, characterized in that a protein liquid transfer device or a storage device is further provided between each of the primary liquid enzymolysis device (3), the primary filtering device (5), the concentrating device (10) and the high pressure homogenizing device (12), and the devices are connected by a pipeline.
9. The biological enzymolysis production line of animal peptone as claimed in claim 8, further comprising a secondary filter device (8) for producing reagent peptone, wherein the secondary filter device (8) is a straight plate filter.
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