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CN113846013B - Enzymolysis tank is used in production of medicinal sodium alginate - Google Patents

Enzymolysis tank is used in production of medicinal sodium alginate Download PDF

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Publication number
CN113846013B
CN113846013B CN202111435666.6A CN202111435666A CN113846013B CN 113846013 B CN113846013 B CN 113846013B CN 202111435666 A CN202111435666 A CN 202111435666A CN 113846013 B CN113846013 B CN 113846013B
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tank body
stirring
sodium alginate
gear
stirring shaft
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CN113846013A (en
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冉晓勇
郝奇
刘东晓
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Weihai Galaxy Biotechnology Co ltd
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Weihai Yinhe Biological Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/18Apparatus specially designed for the use of free, immobilized or carrier-bound enzymes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M23/00Constructional details, e.g. recesses, hinges
    • C12M23/52Mobile; Means for transporting the apparatus
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02Stirrer or mobile mixing elements
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M33/00Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/12Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/18Heat exchange systems, e.g. heat jackets or outer envelopes
    • C12M41/24Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M45/00Means for pre-treatment of biological substances
    • C12M45/02Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting

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  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)

Abstract

The invention discloses an enzymolysis tank for producing medicinal sodium alginate, and relates to the technical field of equipment for producing sodium alginate. The invention has the beneficial effects that: set up the sodium alginate of layering and dissolve the region in the enzymolysis tank, the upper strata sets up ordinary agitator and is first stirring leaf, the agitator that the side has the slope of cutting edge is called down and is the second stirring leaf, add sodium alginate in batches, the part is dissolved, the part becomes the bold, push away the bold to the bottom through the push pedal, stir the leaf through the second and cut up the bold and stir evenly to dissolving, solved when directly adding sodium alginate to aquatic ration after, the bold easily becomes very much, influence the problem of dissolution rate.

Description

Enzymolysis tank is used in production of medicinal sodium alginate
Technical Field
The invention relates to the technical field of equipment for producing sodium alginate, and particularly relates to an enzymolysis tank for producing medicinal sodium alginate.
Background
The production of the sodium alginate for the medicine needs to be carried out in an enzymolysis tank firstly, 60 ℃ hot water is added into the enzymolysis tank firstly, the newly purchased sodium alginate is added and dissolved, the concentration is about 20 percent, compound enzyme is added after the sodium alginate is fully dissolved, and the cellulose wall of the sodium alginate is damaged, so that the freezing force and the viscosity are reduced, and the enzymolysis time is 4 to 6 hours. The enzymolysis temperature is 60-65 ℃, a circle of stainless steel steam coil is arranged at the bottom of the enzymolysis tank, and the temperature in the tank is controlled at 60-65 ℃ through the steam coil. The upper part of the enzymolysis tank is provided with a stirrer for stirring in the dissolving process and the enzymolysis process.
The sodium alginate solid material is an object which is difficult to dissolve in water, the material is very easy to agglomerate and agglomerate after meeting water, the material can be gradually dissolved by long-time stirring, 1500L of sodium alginate solution is generally prepared and can be completely dissolved by stirring for more than 5 hours, the existing dissolution of the sodium alginate is generally assisted by heating or adding a dissolving agent, but the actual application shows that the dissolution rate of the sodium alginate is still low, the consumed time is long, and particularly, after the sodium alginate is quantitatively and directly added into water, the dissolution rate is easily agglomerated into large blocks, so that the dissolution rate is influenced, and the material is a bottleneck in the production process of a production line.
Disclosure of Invention
In order to achieve the purpose, the invention provides an enzymolysis tank for producing medicinal sodium alginate, aiming at the technical problems.
The technical scheme is that the stirring device comprises a tank body with sealed periphery, a first motor fixedly arranged at the top of the tank body through a motor support, a first stirring shaft rotatably arranged at the center of the top of the tank body, first stirring blades uniformly distributed on the side wall of the middle lower part of the first stirring shaft, a second motor fixedly arranged at the bottom of the tank body through the motor support, a second stirring shaft rotatably arranged at the center of the bottom of the tank body through a bearing, and second stirring blades uniformly distributed on the side wall of the middle upper part of the second stirring shaft;
the steam tank is characterized in that a circle of stainless steel steam coil is fixedly arranged on the inner wall of the bottom of the tank body, a water inlet and a feeding port are formed in the side wall of the top of the tank body, and a liquid discharge pipe is arranged on one side of the bottom of the tank body.
A first bearing is arranged on one side of the top plate of the tank body, an outer ring of the first bearing is fixedly connected with the top plate of the tank body, an inner ring of the first bearing is fixedly connected with an output shaft of the first motor, and the bottom of the output shaft of the first motor is fixedly connected with a first gear;
a second bearing is arranged in the center of the top plate of the tank body, the outer ring of the second bearing is fixedly connected with the top plate of the tank body, the inner ring of the second bearing is fixedly provided with a second gear rotating shaft which is fixedly connected, the bottom of the second gear rotating shaft is fixedly provided with a second gear, the second gear is tightly arranged with the first gear in the horizontal direction, and the second gear is meshed with the first gear;
the bottom of the second rotating shaft of the gear is fixedly connected with the top of the first stirring shaft.
Vertical limiting grooves are formed in the rotating shaft of the second gear and the first stirring shaft, the limiting grooves penetrate through the center and the side walls of two sides of the first stirring shaft, a lifting rod is connected in the limiting grooves in a sliding mode, a limiting plate is arranged on the outer wall of the lifting rod, the limiting grooves are matched with the limiting plate in a sliding mode, and a push plate is fixedly arranged at the bottom of the lifting rod;
the push plate is provided with a stirring blade groove, and the stirring blade groove is in sliding fit with the first stirring blade.
And the second stirring shaft is fixedly connected with an output shaft of the second motor.
The second stirring blade is divided into a plurality of stirring blades which are obliquely and upwards arranged along the axial direction of the second stirring shaft and stirring blades which are obliquely and downwards arranged, the stirring blades which are obliquely and upwards arranged and obliquely and downwards arranged are distributed along the periphery of the second stirring shaft in a staggered manner, and one side of the second stirring blade along the rotation direction of the second stirring shaft is arranged into a blade shape.
And the push plate is provided with a plurality of water filtering holes which are uniformly distributed. When the push plate pushes the massive sodium alginate blocks which are not completely dissolved to move downwards, water can pass through the water filtering holes, and the resistance of downward movement is reduced.
The water inlet and the feed opening are obliquely arranged.
The top of the lifting rod is connected with an electric push rod through a connecting plate, the bottom of the electric push rod is fixed on the top plate of the tank body, and the top of the extending end of the electric push rod is fixedly connected with the bottom of the connecting plate.
And a trigger switch is fixedly arranged at the top of the second stirring shaft and is electrically connected with the electric push rod.
The push plate pushes massive sodium alginate blocks which are not completely dissolved to move downwards, when the bottom of the lifting rod contacts the trigger switch, the trigger switch triggers timing, and after the set time is reached, the electric push rod resets. The timing can be realized by using a timer and a controller in the prior art, and the description is omitted here.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: this scheme is through setting up the sodium alginate of layering in the enzymolysis tank and dissolving the region, the upper strata sets up ordinary agitator and is first stirring leaf, the agitator that the side has the slope of cutting edge is the second stirring leaf for the title time, add sodium alginate in batches, the part is dissolved, the part becomes the bold, push away the bold to the bottom through the push pedal, stir the bold through the second and cut up and stirring to dissolving with the bold, solved after directly adding sodium alginate to the aquatic ration, the bold is formed easily very much, influence the problem of dissolving speed, the dissolution rate of sodium alginate has been improved, thereby improve production efficiency.
Drawings
Fig. 1 is a schematic overall structure diagram of the embodiment of the invention when the push plate is located above the first stirring blade.
Fig. 2 is a schematic view of the overall structure of the embodiment of the invention when the bottom of the lifting rod contacts the trigger switch.
FIG. 3 is a schematic structural diagram of a push plate according to an embodiment of the present invention.
FIG. 4 is a schematic structural diagram of a first stirring shaft according to an embodiment of the present invention.
Wherein the reference numerals are: 1. a tank body; 2. a first motor; 3. a first stirring shaft; 4. a first stirring blade; 5. a second stirring shaft; 6. a second stirring blade; 7. a first bearing; 8. a first gear; 9. a second bearing; 10. a second gear rotating shaft; 11. a second gear; 12. stainless steel steam coils; 13. a water inlet; 14. a feeding port; 15. a liquid discharge pipe; 16. a limiting groove; 17. a lifting rod; 18. a limiting plate; 19. a second motor; 20. a trigger switch; 21. stirring the leaf tank; 22. a connecting plate; 23. an electric push rod; 24. a push plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 4, the invention provides an enzymolysis tank for producing medicinal sodium alginate, which comprises a tank body 1 with sealed periphery, a first motor 2 fixedly arranged at the top of the tank body 1 through a motor support, a first stirring shaft 3 rotatably arranged at the center of the top of the tank body 1, first stirring blades 4 uniformly distributed on the side wall of the middle lower part of the first stirring shaft 3, a second motor 19 fixedly arranged at the bottom of the tank body 1 through a motor support, a second stirring shaft 5 rotatably arranged at the center of the bottom of the tank body 1 through a bearing, and second stirring blades 6 uniformly distributed on the side wall of the middle upper part of the second stirring shaft 5;
a circle of stainless steel steam coil pipe 12 is fixedly arranged on the inner wall of the bottom of the tank body 1, a water inlet 13 and a feeding port 14 are arranged on the side wall of the top of the tank body 1, and a liquid discharge pipe 15 is arranged on one side of the bottom of the tank body 1.
A first bearing 7 is arranged on one side of a top plate of the tank body 1, an outer ring of the first bearing 7 is fixedly connected with the top plate of the tank body 1, an inner ring of the first bearing 7 is fixedly connected with an output shaft of the first motor 2, and the bottom of the output shaft of the first motor 2 is fixedly connected with a first gear 8;
a second bearing 9 is arranged in the center of the top plate of the tank body 1, the outer ring of the second bearing 9 is fixedly connected with the top plate of the tank body 1, the inner ring of the second bearing 9 is fixedly provided with a second gear rotating shaft 10 which is fixedly connected, the bottom of the second gear rotating shaft 10 is fixedly provided with a second gear 11, the second gear 11 is tightly arranged in the horizontal direction of the first gear 8, and the second gear 11 is meshed with the first gear 8;
the bottom of the second gear rotating shaft 10 is fixedly connected with the top of the first stirring shaft 3.
Vertical limiting grooves 16 are formed in the gear second rotating shaft 10 and the first stirring shaft 3, the limiting grooves 16 penetrate through the center and the side walls of the two sides of the first stirring shaft 3, a lifting rod 17 is connected in the limiting grooves 16 in a sliding mode, a limiting plate 18 is arranged on the outer wall of the lifting rod 17, the limiting grooves 16 are matched with the limiting plate 18 in a sliding mode, and a push plate 24 is fixedly arranged at the bottom of the lifting rod 17;
the push plate 24 is provided with a stirring blade groove 21, and the stirring blade groove 21 is in sliding fit with the first stirring blade 4.
The second stirring shaft 5 is fixedly connected with an output shaft of a second motor 19.
The second stirring blade 6 is divided into a plurality of stirring blades which are obliquely and upwardly arranged along the axial direction of the second stirring shaft 5 and stirring blades which are obliquely and downwardly arranged, the stirring blades which are obliquely and upwardly arranged and obliquely and downwardly arranged are distributed along the periphery of the second stirring shaft 5 in a staggered manner, and one side of the second stirring blade 6 in the rotating direction of the second stirring shaft 5 is arranged into a blade shape.
The push plate 24 is provided with a plurality of water filtering holes which are uniformly distributed. When the push plate 24 pushes the large incompletely dissolved sodium alginate blocks to move downwards, water can pass through the water filtering holes, and the resistance to downward movement is reduced.
The water inlet 13 and the feeding port 14 are obliquely arranged.
The top of the lifting rod 17 is connected with an electric push rod 23 through a connecting plate 22, the bottom of the electric push rod 23 is fixed on the top plate of the tank body 1, and the top of the extending end of the electric push rod 23 is fixedly connected with the bottom of the connecting plate 22.
The top of the second stirring shaft 5 is fixedly provided with a trigger switch 20, and the trigger switch 20 is electrically connected with an electric push rod 23.
The push plate 24 pushes the massive sodium alginate block which is not completely dissolved to move downwards, when the bottom of the lifting rod 17 contacts the trigger switch 20, the trigger switch 20 triggers timing, and after the set time is reached, the electric push rod 23 resets. The timing can be realized by using a timer and a controller in the prior art, and the description is omitted here.
When the invention is used, hot water of 60 ℃ is firstly added into a tank body 1 of an enzymolysis tank through a water inlet 13, newly purchased sodium alginate is added into the tank body 1 from a feeding port 14, a push plate 24 is positioned above a first stirring blade 4 in an initial state, after the hot water and the sodium alginate are added, a first motor 2 is started to drive a first gear 8 to rotate, the first gear 8 drives a second gear 11 to rotate, so that a first stirring shaft 3 rotates, the sodium alginate is primarily dissolved by the first stirring blade 4, then the first motor 2 is paused, an electric push rod 23 is started to drive a lifting rod 17 to move downwards, so that the push plate 24 passes through the first stirring blade 4 and moves downwards to the top of a second stirring shaft 5, and as the push plate 24 is provided with a stirring blade groove 21, the stirring blade groove 21 is in sliding fit with the first stirring blade 4, the sodium alginate stuck on the first stirring blade 4 can be scraped off in the downward movement process, in the process that the push plate 24 moves downwards, large sodium alginate blocks which are not completely dissolved are pushed to move downwards, when the bottom of the lifting rod 17 contacts the trigger switch 20, the trigger switch 20 triggers and counts time, after the set time is reached, the electric push rod 23 resets, and in the set time, the push plate 24 limits the dissolving space of the second stirring blade 6, the second motor 19 is started to drive the second stirring shaft 5 to rotate, the side edge of the second stirring blade 6 on the second stirring shaft 5 is provided with a cutting edge to cut the large blocks and stir the large blocks evenly until the large blocks are dissolved, and at the moment, the electric push rod 23 resets to drive the push plate 24 to move upwards to the initial position;
after the materials are fully dissolved, compound enzyme is added from a feeding port 14, the first stirring blade 4 and the second stirring blade 6 can also be used for stirring in the enzymolysis process, a circle of stainless steel steam coil pipe is arranged at the bottom of the enzymolysis tank, and the temperature in the tank is controlled to be 60-65 ℃ through the steam coil pipe;
the liquid discharge pipe 15 can discharge the fully dissolved sodium alginate solution, then add the next batch of sodium alginate, and repeat the above steps.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. An enzymolysis tank for producing medicinal sodium alginate is characterized by comprising a tank body (1) with sealed periphery, a first motor (2) fixedly arranged at the top of the tank body (1) through a motor support, a first stirring shaft (3) rotatably arranged at the center of the top of the tank body (1), first stirring blades (4) uniformly distributed on the side wall of the middle lower part of the first stirring shaft (3), a second motor (19) fixedly arranged at the bottom of the tank body (1) through a motor support, a second stirring shaft (5) rotatably arranged at the center of the bottom of the tank body (1) through a bearing, and second stirring blades (6) uniformly distributed on the side wall of the middle upper part of the second stirring shaft (5);
a circle of stainless steel steam coil pipe (12) is fixedly arranged on the inner wall of the bottom of the tank body (1), a water inlet (13) and a feed opening (14) are arranged on the side wall of the top of the tank body (1), and a liquid discharge pipe (15) is arranged on one side of the bottom of the tank body (1);
a first bearing (7) is arranged on one side of a top plate of the tank body (1), an outer ring of the first bearing (7) is fixedly connected with the top plate of the tank body (1), an inner ring of the first bearing (7) is fixedly connected with an output shaft of the first motor (2), and the bottom of the output shaft of the first motor (2) is fixedly connected with a first gear (8);
a second bearing (9) is arranged in the center of a top plate of the tank body (1), an outer ring of the second bearing (9) is fixedly connected with the top plate of the tank body (1), an inner ring of the second bearing (9) is fixedly provided with a second gear rotating shaft (10) which is fixedly connected with the inner ring of the second bearing, the bottom of the second gear rotating shaft (10) is fixedly provided with a second gear (11), the second gear (11) is tightly arranged with the first gear (8) in the horizontal direction, and the second gear (11) is meshed with the first gear (8);
the bottom of the second gear rotating shaft (10) is fixedly connected with the top of the first stirring shaft (3);
vertical limiting grooves (16) are formed in the gear secondary rotating shaft (10) and the first stirring shaft (3), the limiting grooves (16) penetrate through the center and the side walls of the two sides of the first stirring shaft (3), a lifting rod (17) is connected in the limiting grooves (16) in a sliding mode, a limiting plate (18) is arranged on the outer wall of the lifting rod (17), the limiting grooves (16) are in sliding fit with the limiting plate (18), and a push plate (24) is fixedly arranged at the bottom of the lifting rod (17);
a stirring blade groove (21) is formed in the push plate (24), and the stirring blade groove (21) is in sliding fit with the first stirring blade (4);
the second stirring blades (6) are divided into a plurality of stirring blades which are obliquely arranged upwards and downwards along the axial direction of the second stirring shaft (5), the stirring blades which are obliquely arranged upwards and downwards are distributed along the periphery of the second stirring shaft (5) in a staggered manner, and one side of each second stirring blade (6) along the rotating direction of the second stirring shaft (5) is provided with a blade;
the top of the lifting rod (17) is connected with an electric push rod (23) through a connecting plate (22), the bottom of the electric push rod (23) is fixed on a top plate of the tank body (1), and the top of the extending end of the electric push rod (23) is fixedly connected with the bottom of the connecting plate (22);
the top of the second stirring shaft (5) is fixedly provided with a trigger switch (20), and the trigger switch (20) is electrically connected with the electric push rod (23).
2. The enzymatic hydrolysis tank for producing sodium alginate for medicine as claimed in claim 1, wherein the second stirring shaft (5) is fixedly connected with an output shaft of the second motor (19).
3. The enzymolysis tank for producing sodium alginate for medicine of claim 1, wherein the push plate (24) is provided with a plurality of water filtering holes which are uniformly distributed.
4. The enzymatic hydrolysis tank for producing sodium alginate for medicine as claimed in claim 1, wherein the water inlet (13) and the feeding port (14) are both arranged obliquely.
CN202111435666.6A 2021-11-30 2021-11-30 Enzymolysis tank is used in production of medicinal sodium alginate Active CN113846013B (en)

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CN111621403A (en) * 2020-06-12 2020-09-04 苏州聚维元创生物科技有限公司 Double-stirring-mode constant-temperature reaction device suitable for straw fiber hydrolysis and saccharification

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Denomination of invention: A kind of enzymatic hydrolysis tank for pharmaceutical sodium alginate production

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