CN111484536A - Process and system for producing maltitol powder by spray drying method - Google Patents
Process and system for producing maltitol powder by spray drying method Download PDFInfo
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- CN111484536A CN111484536A CN202010518069.9A CN202010518069A CN111484536A CN 111484536 A CN111484536 A CN 111484536A CN 202010518069 A CN202010518069 A CN 202010518069A CN 111484536 A CN111484536 A CN 111484536A
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- stirring
- spray drying
- side wall
- maltitol powder
- mixing tank
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
- C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/804—Drying the mixture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/8305—Devices with one shaft, provided with mixing and milling tools, e.g. using balls or rollers as working tools; Devices with two or more tools rotating about the same axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/121—Maintenance of mixers using mechanical means using a brush for cleaning out rests of products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/43—Supporting receptacles on frames or stands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/716—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
- B01F35/7163—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components the containers being connected in a mouth-to-mouth, end-to-end disposition, i.e. the openings are juxtaposed before contacting the contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Cereal-Derived Products (AREA)
Abstract
The invention discloses a process and a system for producing maltitol powder by a spray drying method, which comprise a mixing tank, wherein a stirring cavity is formed in the mixing tank, a sliding groove is formed in the side wall of the stirring cavity, feeding devices are symmetrically arranged on the upper side wall of the mixing tank, a supporting device is arranged on the bottom side wall of the mixing tank, a discharging device is arranged on the bottom side wall of the mixing tank, the stirring device is arranged in the stirring cavity, a spray drying box is arranged on the right side of the mixing tank, a conveying pipe is arranged at the input end of the spray drying box, and the other end of the conveying pipe is connected with a discharging hole. According to the invention, the motor drives the stirring shaft to rotate, so that the stirring rod is driven to rotate, the pulley is driven to rotate in the chute, the rotating shaft is driven to rotate, and the cleaning brush on the rotating shaft is driven to rotate to clean maltitol on the side wall of the stirring cavity, so that inconvenience in cleaning the stirring cavity in the later period is avoided, collection of maltitol is facilitated, and waste is reduced.
Description
Technical Field
The invention relates to the technical field of maltose production, in particular to a process and a system for producing maltitol powder by a spray drying method.
Background
Maltose, a type of carbohydrate, is produced by the action of amylase-containing malt on starch. Can be used as nutrient and culture medium. The wheat and glutinous rice porridge is also a traditional Chinese nostalgic snack, is prepared from wheat and glutinous rice, is sweet and delicious, has rich nutrition, has the effects of invigorating stomach and helping digestion, and is a food suitable for people of all ages. In recent years, prebiotics and probiotics in the cachexia food industry are actually isomaltooligosaccharide which is a kind of maltose, and many foods contain the nutrient substances, such as Yake V9 vitamin candies, Mongolian probiotic milk, Foyuofang malt addicts, Youyuan children probiotic nutrient tablets and the like, and the concept of the prebiotics and the probiotics is not successful in the market.
In the industrial production, the maltitol crystals are usually produced by adding seed crystals and cooling for crystallization, but in the production process, the maltitol concentrated solution in a mixing tank has the phenomenon of easy wall adhesion, so that the maltitol is not convenient to fully collect, and certain waste is caused.
In order to solve the problems, a process and a system for producing maltitol powder by a spray drying method are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: present anticorrosive maltitol agitating unit of powder when stirring maltitol, maltitol is easy to adhere on the inner wall of stirring the chamber, leads to the later stage to stir the very inconvenience of clearance in stirring the chamber, and simultaneously, the cutting leaf can't stir the maltitol of adhesion on stirring the chamber, has led to the not abundant of maltitol stirring, has reduced the quality and the efficiency of stirring maltitol.
In order to achieve the purpose, the invention adopts the following technical scheme:
a process for producing maltitol powder by a spray drying method comprises the following steps:
the method comprises the following steps: dissolving hydroxypropyl methylcellulose in pure water to obtain hydroxypropyl methylcellulose solution;
step two: concentrating the maltitol solution to obtain a maltitol solution concentrated solution;
step three: conveying the hydroxypropyl methyl cellulose solution in the step one and the concentrated maltose alcohol solution in the step two into a mixing tank, stirring and uniformly mixing;
step four: starting spray drying equipment, and performing spray drying to obtain packaged maltitol powder particles;
step five: the dried material in the cyclone was collected to obtain crystalline maltitol powder.
The utility model provides a system for spray drying process production maltitol powder, includes the blending tank, the stirring chamber has been seted up in the blending tank, the spout has been seted up on the lateral wall in stirring chamber, the last lateral wall symmetry of blending tank is equipped with feed arrangement, the bottom side wall of blending tank is equipped with strutting arrangement, be equipped with discharging device on the bottom side wall of blending tank, the stirring intracavity is equipped with agitating unit, the right side of blending tank is provided with spray drying case, spray drying case's input is provided with the conveying pipeline, the other end and the discharge gate of conveying pipeline link to each other, be provided with on spray drying case's the lateral wall and get the material mouth.
Preferably, agitating unit includes the (mixing) shaft, the equidistant fixed mounting of symmetry has a plurality of mixing paddles, every on the (mixing) shaft equidistant fixed mounting has a plurality of circle frames, every on the mixing paddle all be provided with the impeller in the circle frame, every the impeller all rotates to be connected in the circle frame, the last lateral wall of blending tank is run through and drive arrangement is connected to the upper end of (mixing) shaft.
Preferably, the (mixing) shaft rotates to be connected in the last lateral wall of blending tank, the fixedly connected with puddler of symmetry on the lateral wall of (mixing) shaft, every the one end that the puddler deviates from the (mixing) shaft all is equipped with cleaning device, a plurality of cutting leaves of symmetry fixedly connected with on the lateral wall of (mixing) shaft.
Preferably, every cleaning device all includes the connecting plate, every the equal fixed connection of connecting plate is on the puddler, every all alternate on the connecting plate has the pivot, every the pivot all rotates to be connected in the connecting plate, every all alternate in the pivot has the pulley, every the equal sliding connection of pulley is in the spout, every equal a plurality of cleaning brushes of symmetry fixedly connected with on the lateral wall of pivot, every the length of cleaning brush all is the same with the distance of pivot to stirring chamber lateral wall.
Preferably, every feed arrangement includes the feed inlet, every the equal fixed connection of feed inlet is at the last lateral wall of blending tank, every equal hinge connection has the apron on the feed inlet.
Preferably, the driving device comprises a motor, support frames are symmetrically fixed on the side wall of the motor, the other end of each support frame is fixedly connected to the mixing tank, and the output end of the motor is fixedly connected with the stirring shaft.
Preferably, discharging device includes the discharge gate, discharge gate fixed connection is at the bottom lateral wall of blending tank, be provided with the solenoid valve on the discharge gate.
Preferably, the supporting device comprises a plurality of supporting legs, and each supporting leg is symmetrically and fixedly connected to the bottom side wall of the mixing tank.
Preferably, each cutting blade is provided with a plurality of cutting holes.
Compared with the prior art, the invention has the beneficial effects that:
1. the motor drives the stirring shaft to rotate, so as to drive the stirring rod to rotate, so as to drive the pulley to rotate in the chute, further drive the rotating shaft to rotate, further drive the cleaning brush on the rotating shaft to rotate to clean the maltitol on the side wall of the stirring cavity, avoid inconvenience in cleaning the stirring cavity in the later period, facilitate the collection of the maltitol and reduce waste;
2. the fixed mounting of equidistant symmetry has a plurality of mixed oars on the (mixing) shaft, and equidistant fixed mounting has a plurality of circle frames on every mixed oar, all is provided with the impeller in every circle frame, and every impeller all rotates to be connected in the circle frame.
Drawings
FIG. 1 is a schematic diagram of the front structure of a system for producing maltitol powder by a spray drying method according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a mixing element in a system for producing maltitol powder by a spray drying method according to the present invention;
FIG. 4 is a schematic top sectional view of a system for producing maltitol powder by spray drying according to the present invention.
In the figure: the device comprises a discharge port 1, a mixing tank 2, a stirring cavity 3, a feed port 4, a cover plate 5, a support frame 6, a motor 7, a stirring shaft 8, a stirring rod 9, a cutting blade 10, a cutting hole 11, an electromagnetic valve 12, a supporting leg 13, a cleaning brush 14, a connecting plate 15, a rotating shaft 16, a sliding chute 17, a pulley 18, a mixing element 19, a spray drying box 20, a material taking port 21, a mixing paddle 22, a round frame 23 and an impeller 24.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a system for producing maltitol powder by spray drying comprises a mixing tank 2, a stirring chamber 3 is arranged in the mixing tank 2, a chute 17 is arranged on the side wall of the stirring chamber 3, the chute 17 has a limiting effect on a pulley 18, thereby having a limiting effect on a stirring rod 9, preventing the stirring rod 9 from shaking up and down, feeding devices are symmetrically arranged on the upper side wall of the mixing tank 2, a spray drying box 20 is arranged on the right side of the mixing tank 2, a material taking port 21 is arranged on the side wall of the spray drying box 20, a material conveying pipe is arranged at the input end of the spray drying box 20, the other end of the material conveying pipe is connected with a material outlet 1, each feeding device comprises a feeding port 4, each feeding port 4 is communicated with the stirring chamber 3, each feeding port 4 is fixedly connected to the upper side wall of the mixing tank 2, a cover plate 5 is connected to each feeding port 4, the feeding, the cover plate 5 prevents dust from falling into the stirring chamber 3.
The end lateral wall of blending tank 2 is equipped with strutting arrangement, strutting arrangement includes a plurality of supporting legs 13, every supporting leg 13 symmetry fixed connection is on the end lateral wall of blending tank 2, supporting leg 13 has the support fixed action to blending tank 2, be equipped with discharging device on the end lateral wall of blending tank 2, discharging device includes discharge gate 1, discharge gate 1 communicates with each other with stirring chamber 3, 1 fixed connection of discharge gate is at the end lateral wall of blending tank 2, be provided with solenoid valve 12 on discharge gate 1, discharge gate 1 makes things convenient for taking out of maltitol, solenoid valve 12 has the switch action to discharge gate 1.
Be equipped with agitating unit in stir chamber 3, agitating unit includes (mixing) shaft 8, the equidistant fixed mounting of symmetry has a plurality of mixed oars 22 on the (mixing) shaft 8, equidistant fixed mounting has a plurality of circle frames 23 on every mixed oar 22, all be provided with the impeller in every circle frame 23, every impeller 24 all rotates to be connected in circle frame 23, the upper end of (mixing) shaft 8 runs through mixing tank 2's last lateral wall and is connected with drive arrangement, drive arrangement includes motor 7, the symmetry is fixed with support frame 6 on motor 7's the lateral wall, the equal fixed connection of the other end of every support frame 6 is on mixing tank 2, motor 7's output and (mixing) shaft 8 fixed connection, motor 7 drives (mixing) shaft 8 through the output shaft and rotates, stir maltitol.
(mixing) shaft 8 rotates to be connected in the last lateral wall of blending tank 2, the fixedly connected with puddler 9 of symmetry on (mixing) shaft 8's the lateral wall, the one end that every puddler 9 deviates from (mixing) shaft 8 all is equipped with cleaning device, a plurality of cutting leaves of symmetry fixedly connected with 10 on (mixing) shaft 8's the lateral wall, a plurality of cutting holes 11 have all been seted up on every cutting leaf 10, (mixing) shaft 8 drives the rotation of cutting leaf 10 of both sides, stir maltitol, cutting hole 11 makes cutting leaf 10 more abundant to the maltitol stirring, the efficiency of stirring has been increased.
Every cleaning device all includes connecting plate 15, the equal fixed connection of every connecting plate 15 is on puddler 9, all alternate pivot 16 on every connecting plate 15, every pivot 16 all rotates to be connected in connecting plate 15, all alternate on every pivot 16 has pulley 18, the equal sliding connection of every pulley 18 is in spout 17, equal a plurality of cleaning brush 14 pulleys of fixedly connected with 18 are at spout 17 internal rotation on the lateral wall of every pivot 16, and then drive pivot 16 and rotate, and then drive the epaxial cleaning brush 14 rotation of pivot 16 and clear up the maltitol on stirring chamber 3 lateral wall, the length of every cleaning brush 14 all is the same with the distance of pivot 16 to stirring chamber 3 lateral walls.
A process for producing maltitol powder by a spray drying method comprises the following steps:
the method comprises the following steps: dissolving hydroxypropyl methylcellulose in pure water to obtain hydroxypropyl methylcellulose solution;
step two: concentrating the maltitol solution to obtain a maltitol solution concentrated solution;
step three: conveying the hydroxypropyl methyl cellulose solution in the step one and the concentrated maltose alcohol solution in the step two into a mixing tank, stirring and uniformly mixing;
step four: starting spray drying equipment, and performing spray drying to obtain packaged maltitol powder particles;
step five: collecting the dried material in the cyclone separator to obtain powdery crystalline maltitol;
in the invention, when a user uses the system, the motor 7 drives the stirring shaft 8 to rotate, the stirring shaft 8 drives the cutting blades 10 on two sides to rotate to stir maltitol, the cutting holes 11 enable the cutting blades 10 to stir the maltitol more fully, the stirring shaft 8 drives the mixing paddle 22 to rotate, a plurality of impellers 24 on the mixing paddle 22 rotate together, the impellers 24 rotate under the impact of liquid in the process of rotating along with the mixing paddle, and then the mixed liquid is stirred and mixed, so that the stirring and mixing effects are enhanced, meanwhile, the stirring shaft 8 drives the stirring rod 9 to rotate, so as to drive the pulley 18 to rotate in the chute 17, further drive the rotating shaft 16 to rotate, further drive the cleaning brush 14 on the rotating shaft 16 to clean the maltitol on the side wall of the stirring cavity 3, the inconvenience of cleaning the stirring cavity in the later period is avoided, and the collection of the maltitol is facilitated, the waste is reduced, simultaneously, the insufficient stirring of the maltitol is also avoided, and the quality and the efficiency of the maltitol stirring are improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A process for producing maltitol powder by a spray drying method is characterized by comprising the following steps:
the method comprises the following steps: dissolving hydroxypropyl methylcellulose in pure water to obtain hydroxypropyl methylcellulose solution;
step two: concentrating the maltitol solution to obtain a maltitol solution concentrated solution;
step three: conveying the hydroxypropyl methyl cellulose solution in the step one and the concentrated maltose alcohol solution in the step two into a mixing tank, stirring and uniformly mixing;
step four: starting spray drying equipment, and performing spray drying to obtain packaged maltitol powder particles;
step five: the dried material in the cyclone was collected to obtain crystalline maltitol powder.
2. The utility model provides a system for spray drying process production maltitol powder, includes blending tank (2), stirring chamber (3) have been seted up in blending tank (2), spout (17) have been seted up on the lateral wall in stirring chamber (3), the last lateral wall symmetry of blending tank (2) is equipped with feed arrangement, the end lateral wall of blending tank (2) is equipped with strutting arrangement, be equipped with discharging device on the end lateral wall of blending tank (2), be equipped with agitating unit in stirring chamber (3), the right side of blending tank (2) is provided with spray drying case (20), the input of spray drying case (20) is provided with the conveying pipeline, the other end and discharge gate (1) of conveying pipeline link to each other, be provided with on the lateral wall of spray drying case (20) and get material mouth (21).
3. The spray drying process and system for producing maltitol powder according to claim 2, wherein the stirring device comprises a stirring shaft (8), a plurality of mixing paddles (22) are symmetrically and equidistantly fixedly mounted on the stirring shaft (8), a plurality of circular frames (23) are uniformly and fixedly mounted on each mixing paddle (22), an impeller (24) is arranged in each circular frame (23), each impeller (24) is rotatably connected in each circular frame (23), and the upper end of the stirring shaft (8) penetrates through the upper side wall of the mixing tank (2) and is connected with a driving device.
4. The spray drying process and system for producing maltitol powder according to claim 3, wherein the stirring shaft (8) is rotatably connected in the upper side wall of the mixing tank (2), the stirring rods (9) are symmetrically and fixedly connected to the side wall of the stirring shaft (8), a cleaning device is arranged at one end of each stirring rod (9) away from the stirring shaft (8), and a plurality of cutting blades (10) are symmetrically and fixedly connected to the side wall of the stirring shaft (8).
5. The process and the system for producing maltitol powder through a spray drying method according to claim 4, wherein each sweeping device comprises a connecting plate (15), each connecting plate (15) is fixedly connected to the stirring rod (9), a rotating shaft (16) is inserted into each connecting plate (15), each rotating shaft (16) is rotatably connected into each connecting plate (15), a pulley (18) is inserted into each rotating shaft (16), each pulley (18) is slidably connected into each sliding groove (17), a plurality of cleaning brushes (14) are symmetrically and fixedly connected onto the side wall of each rotating shaft (16), and the length of each cleaning brush (14) is equal to the distance from each rotating shaft (16) to the side wall of the stirring cavity (3).
6. The process and system for producing maltitol powder through spray drying according to claim 2, wherein each feeding device comprises a feeding port (4), each feeding port (4) is fixedly connected to the upper side wall of the mixing tank (2), and each feeding port (4) is hinged with a cover plate (5).
7. The process and system for producing maltitol powder through spray drying according to claim 3, wherein the driving device comprises a motor (7), the side wall of the motor (7) is symmetrically fixed with support frames (6), the other end of each support frame (6) is fixedly connected to the mixing tank (2), and the output end of the motor (7) is fixedly connected with the stirring shaft (8).
8. The process and system for producing maltitol powder through spray drying method according to claim 2, wherein the discharging device comprises a discharging port (1), the discharging port (1) is fixedly connected to the bottom side wall of the mixing tank (2), and the discharging port (1) is provided with an electromagnetic valve (12).
9. The process and system for producing maltitol powder according to claim 2, wherein said support means comprise a plurality of support legs (13), each of said support legs (13) being symmetrically and fixedly connected to the bottom side wall of the mixing tank (2).
10. The process and system for producing maltitol powder according to claim 4, wherein each cutting blade (10) is provided with a plurality of cutting holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518069.9A CN111484536A (en) | 2020-06-09 | 2020-06-09 | Process and system for producing maltitol powder by spray drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518069.9A CN111484536A (en) | 2020-06-09 | 2020-06-09 | Process and system for producing maltitol powder by spray drying method |
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| Publication Number | Publication Date |
|---|---|
| CN111484536A true CN111484536A (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010518069.9A Withdrawn CN111484536A (en) | 2020-06-09 | 2020-06-09 | Process and system for producing maltitol powder by spray drying method |
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| CN (1) | CN111484536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827396A (en) * | 2021-01-21 | 2021-05-25 | 王立友 | A raw materials mixing arrangement for cell culture medium |
| CN115582045A (en) * | 2022-09-26 | 2023-01-10 | 湖北晟阳生物工程有限公司 | Saline-alkali soil conditioner, preparation method and preparation system thereof |
-
2020
- 2020-06-09 CN CN202010518069.9A patent/CN111484536A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827396A (en) * | 2021-01-21 | 2021-05-25 | 王立友 | A raw materials mixing arrangement for cell culture medium |
| CN115582045A (en) * | 2022-09-26 | 2023-01-10 | 湖北晟阳生物工程有限公司 | Saline-alkali soil conditioner, preparation method and preparation system thereof |
| CN115582045B (en) * | 2022-09-26 | 2024-05-10 | 哈尔滨尼亚农业有限公司 | Salinized soil conditioner, preparation method and preparation system thereof |
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Application publication date: 20200804 |