CN114192383B - Dustproof alternating sieving method for fermented finished products - Google Patents
Dustproof alternating sieving method for fermented finished products Download PDFInfo
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- CN114192383B CN114192383B CN202111306140.8A CN202111306140A CN114192383B CN 114192383 B CN114192383 B CN 114192383B CN 202111306140 A CN202111306140 A CN 202111306140A CN 114192383 B CN114192383 B CN 114192383B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention discloses a dustproof alternating sieving method for fermented finished products, which comprises the following steps: and (3) feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box. In the alternate sieving of the fermented finished product, the apertures of the vibrating screens are sequentially reduced from top to bottom through the 3-4 layers of vibrating screens, so that different particle sizes of the fermented finished product can be effectively screened, the dust suction pipes are communicated through the first dust suction pipe, the second dust suction pipe and the third dust suction pipe, the inner diameters are sequentially reduced, the pressure from top to bottom can be increased, the flow rate of dust is increased, the dust enters the dustproof auxiliary agent, and the chitosan solution is matched with the montmorillonite.
Description
Technical Field
The invention relates to the technical field of fermentation, in particular to a dustproof method for alternately sieving fermentation finished products.
Background
Crop straws are subsidiary products of agricultural production and can not be fully and effectively utilized in China. In the traditional planting habit, a large amount of crop straws are directly returned to the field, discarded and even burnt, so that the environment is polluted, the construction of a harmonious society is influenced, and the economic value of the straws is lost; crop straws are directly returned to the field, but are difficult to be degraded by microorganisms in a natural field state, so that the conversion time is long, the next crop cultivation is influenced, and the plant diseases and insect pests are aggravated. Therefore, it is necessary to perform fermentation treatment on crop straws. The tomato skins are often discarded, and a large amount of tomato skin residues cause waste; protein material such as bean cake is vegetable protein material, has crude protein content of 40-50%, and is rich in amino acids; crop straw, tomato pomace, protein raw materials and beet chips from sugar refinery need to be fermented, need during the fermentation starter fermentation finished product to sieve the finished product in production to can reach the product of different particle sizes, present not enough, produce the dust easily in sieving, cause harm to the workshop environment, on the other hand can not once only produce the product of different particle sizes in sieving, reduced work efficiency.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a dustproof method for alternately sieving fermentation finished products, so as to solve the problems in the background technology.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention provides a dustproof alternating sieving method for fermentation finished products, which comprises the following steps:
the method comprises the following steps: feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box;
step two: the top of the dustproof box is provided with a dust suction port which is communicated through a dust suction pipe, and the dust suction pipe is inserted into the dustproof auxiliary agent;
step three: ionizing the dustproof assistant, wherein the current intensity of the ionizing treatment is 1-5A, the current time is 10-20min, then adding a precipitation agent, stirring at the rotating speed of 100-300r/min for 10-30min, finally washing with water, centrifuging, removing the precipitation, and reusing the dustproof assistant;
step four: and (4) sequentially recovering the fermentation finished products screened by the vibrating screen, then rearranging the dustproof auxiliary agent, and repeating the screening method from the first step to the third step.
Preferably, the specific preparation method of the dustproof assistant comprises the following steps:
s1, modification of montmorillonite: sending montmorillonite into 1-5 wt% hydrochloric acid solution, stirring for 10-20min at a rotation speed of 100-500r/min, calcining in a calcining furnace at 300-400 deg.C for 15-25min, and cooling to room temperature at a rate of 1-5 deg.C/min;
s2, preparing a chitosan solution:
feeding chitosan into ionic liquid according to the weight ratio of 1;
s3, preparing the dustproof auxiliary agent:
and (3) feeding the S1 modified montmorillonite into the S2 chitosan solution, stirring at the rotating speed of 100-300r/min for 20-30min, and then continuously stirring at the rotating speed of 500-1000r/min for 10-20min to obtain the dustproof auxiliary agent.
Preferably, the preparation method of the ionic liquid comprises the following steps:
s1: adding hydrochloric acid into 10-20% sodium alginate solution according to a weight ratio of 1;
s2: adding the active liquid into the dispersion according to the weight ratio of 1.
Preferably, the preparation method of the active liquid comprises the following steps: mixing sodium dodecyl sulfate and a dispersing agent according to a weight ratio of 2;
preferably, the dispersing agent is one or more of polyethylene glycol, sodium pyrophosphate and calcium stearate.
Preferably, the dispersing agent is polyethylene glycol and calcium stearate which are combined according to the weight ratio of 2.
Preferably, the preparation method of the mixing aid comprises the following steps:
adding the nano silicon dioxide into a sodium citrate solution with the mass fraction of 10-30%, stirring at the rotating speed of 100-300r/min for 10-30min, then adding a potassium maleate solution, and continuously stirring for 20-30min to obtain the blending aid.
Preferably, the mass fraction of the potassium maleate solution is 5-10%.
Preferably, the addition amount of the potassium maleate solution is 10-20% of the total amount of the nano silicon dioxide.
Preferably, the dust absorption pipe adopts first dust absorption pipe, second dust absorption pipe and third dust absorption pipe intercommunication, and the internal diameter of first dust absorption pipe, second dust absorption pipe and third dust absorption pipe increases the setting from top to bottom in proper order, and first dust absorption pipe communicates with the dust absorption mouth, and the third dust absorption pipe communicates with dustproof auxiliary agent.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, during alternate sieving of the fermented finished product, the apertures of the vibrating screens are sequentially reduced from top to bottom through the 3-4 layers of vibrating screens, so that different particle sizes of the fermented finished product can be effectively screened, the dust suction pipes are communicated through the first dust suction pipe, the second dust suction pipe and the third dust suction pipe, the inner diameters of the dust suction pipes are sequentially reduced, the pressure from top to bottom can be increased, the flow rate of dust is increased, the dust enters the dustproof auxiliary agent, the dust is settled through the matching of chitosan solution and montmorillonite, and the settling efficiency of the dust is increased by adopting a current treatment mode in the treatment process.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The dustproof fermentation finished product alternate screening method comprises the following steps:
the method comprises the following steps: feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box;
step two: the top of the dustproof box is provided with a dust suction port which is communicated through a dust suction pipe, and the dust suction pipe is inserted into the dustproof auxiliary agent;
step three: ionizing the dustproof assistant, adding a settling agent, stirring at a rotating speed of 100-300r/min for 10-30min, washing with water, centrifuging, removing the settled matters, and reusing the dustproof assistant;
step four: and (4) sequentially recovering the fermentation finished products screened by the vibrating screen, then rearranging the dustproof auxiliary agent, and repeating the screening method from the first step to the third step.
The specific preparation method of the dustproof additive of the embodiment comprises the following steps:
s1, modification of montmorillonite: the montmorillonite is sent into hydrochloric acid solution with the mass fraction of 1-5% to be stirred and reacted for 10-20min, the stirring speed is 100-500r/min, the stirring is finished, then the montmorillonite is placed in a calcining furnace to be calcined, the calcining temperature is 300-400 ℃, the calcining time is 15-25min, the calcining is finished, and then the montmorillonite is cooled to the room temperature at the speed of 1-5 ℃/min;
s2, preparing a chitosan solution:
feeding chitosan into ionic liquid according to the weight ratio of 1;
s3, preparing the dustproof auxiliary agent:
and (3) feeding the S1 modified montmorillonite into the S2 chitosan solution, stirring at the rotating speed of 100-300r/min for 20-30min, and then continuously stirring at the rotating speed of 500-1000r/min for 10-20min to obtain the dustproof auxiliary agent.
The preparation method of the ionic liquid in the embodiment comprises the following steps:
s1: adding hydrochloric acid into 10-20% sodium alginate solution according to a weight ratio of 1;
s2: adding the active liquid into the dispersion according to the weight ratio of 1.
The preparation method of the active liquid in this example is as follows: mixing sodium dodecyl sulfate and a dispersing agent according to a weight ratio of 2;
the dispersant in this embodiment is one or a combination of polyethylene glycol, sodium pyrophosphate and calcium stearate.
The dispersant of the present embodiment is a combination of polyethylene glycol and calcium stearate in a weight ratio of 2.
The preparation method of the blending agent in this embodiment is as follows:
adding the nano silicon dioxide into a sodium citrate solution with the mass fraction of 10-30%, stirring at the rotating speed of 100-300r/min for 10-30min, then adding a potassium maleate solution, and continuously stirring for 20-30min to obtain the blending aid.
The mass fraction of the potassium maleate solution in the embodiment is 5-10%.
The addition amount of the potassium maleate solution in the embodiment is 10-20% of the total amount of the nano silicon dioxide.
The dust absorption pipe of the embodiment is communicated with a third dust absorption pipe through a first dust absorption pipe, a second dust absorption pipe and a third dust absorption pipe, the inner diameters of the first dust absorption pipe, the second dust absorption pipe and the third dust absorption pipe are sequentially increased from top to bottom, the first dust absorption pipe is communicated with a dust absorption opening, and the third dust absorption pipe is communicated with a dustproof auxiliary agent.
Example 1.
The dustproof alternating sieving method for the fermented finished products comprises the following steps:
the method comprises the following steps: feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box;
step two: the top of the dustproof box is provided with a dust suction port which is communicated through a dust suction pipe, and the dust suction pipe is inserted into the dustproof auxiliary agent;
step three: ionizing the dustproof assistant, adding a precipitation agent, stirring at the rotating speed of 100r/min for 10min, washing with water, centrifuging, removing precipitation matters, and reusing the dustproof assistant;
step four: and (4) sequentially recovering the fermentation finished products screened by the vibrating screen, then rearranging the dustproof auxiliary agent, and repeating the screening method from the first step to the third step.
The specific preparation method of the dustproof additive of the embodiment comprises the following steps:
s1, modification of montmorillonite: the montmorillonite is sent into a hydrochloric acid solution with the mass fraction of 1% to be stirred and reacted for 10min, the stirring speed is 100r/min, the stirring is finished, then the montmorillonite is placed in a calcining furnace to be calcined, the calcining temperature is 300 ℃, the calcining time is 15min, the calcining is finished, and then the temperature is reduced to the room temperature at the speed of 1 ℃/min;
s2, preparing a chitosan solution:
feeding chitosan into ionic liquid according to the weight ratio of 1;
s3, preparing the dustproof auxiliary agent:
and (3) feeding the montmorillonite modified by the S1 into the chitosan solution of the S2, stirring for 20min at the rotating speed of 100r/min, and then continuously stirring for 10min at the rotating speed of 500r/min to obtain the dustproof auxiliary agent.
The preparation method of the ionic liquid in the embodiment comprises the following steps:
s1: adding hydrochloric acid into a 10% sodium alginate solution according to a weight ratio of 1;
s2: adding the active liquid into the dispersion according to the weight ratio of 1.
The preparation method of the active liquid in this example includes: mixing sodium dodecyl sulfate and a dispersing agent according to a weight ratio of 2;
the dispersant of the embodiment is a combination of polyethylene glycol and calcium stearate according to a weight ratio of 2.
The preparation method of the blending agent in this embodiment is as follows:
adding the nano silicon dioxide into a sodium citrate solution with the mass fraction of 10%, stirring at the rotating speed of 100r/min for 10min, then adding a potassium maleate solution, and continuously stirring for 20min to obtain the blending aid.
The mass fraction of the potassium maleate solution in this example was 5%.
The addition amount of the potassium maleate solution in the embodiment is 10% of the total amount of the nano silicon dioxide.
The dust absorption pipe of this embodiment adopts first dust absorption pipe, second dust absorption pipe and third dust absorption pipe intercommunication, and the internal diameter from the top down of first dust absorption pipe, second dust absorption pipe and third dust absorption pipe increases the setting in proper order, and first dust absorption pipe communicates with the dust absorption mouth, and third dust absorption pipe communicates with dustproof auxiliary agent.
Example 2.
The dustproof fermentation finished product alternate screening method comprises the following steps:
the method comprises the following steps: feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box;
step two: the top of the dustproof box is provided with a dust suction port which is communicated through a dust suction pipe, and the dust suction pipe is inserted into the dustproof auxiliary agent;
step three: ionizing the dustproof auxiliary agent, adding a precipitation agent, stirring at the rotating speed of 300r/min for 30min, washing with water, centrifuging, removing precipitation, and reusing the dustproof auxiliary agent;
step four: and (4) sequentially recovering the fermentation finished products screened by the vibrating screen, then rearranging the dustproof auxiliary agent, and repeating the screening method from the first step to the third step.
The specific preparation method of the dustproof additive of the embodiment comprises the following steps:
s1, modification of montmorillonite: the montmorillonite is sent into a hydrochloric acid solution with the mass fraction of 5% to be stirred and reacted for 20min, the stirring speed is 500r/min, the stirring is finished, then the montmorillonite is placed in a calcining furnace to be calcined, the calcining temperature is 400 ℃, the calcining time is 25min, the calcining is finished, and then the temperature is reduced to the room temperature at the speed of 5 ℃/min;
s2, preparing a chitosan solution:
feeding chitosan into ionic liquid according to a weight ratio of 1;
s3, preparing the dustproof auxiliary agent:
and (3) feeding the montmorillonite modified by the S1 into the chitosan solution of the S2, stirring at the rotating speed of 300r/min for 30min, and then continuously stirring at the rotating speed of 1000r/min for 20min to obtain the dustproof auxiliary agent.
The preparation method of the ionic liquid in the embodiment comprises the following steps:
s1: adding hydrochloric acid into a sodium alginate solution with the mass fraction of 20% according to a weight ratio of 1;
s2: adding the active liquid into the dispersion according to the weight ratio of 1.
The preparation method of the active liquid in this example includes: mixing sodium dodecyl sulfate and a dispersing agent according to a weight ratio of 2;
the dispersant of the present embodiment is a combination of polyethylene glycol and calcium stearate in a weight ratio of 2.
The preparation method of the blending agent in this embodiment is as follows:
adding the nano silicon dioxide into a sodium citrate solution with the mass fraction of 30%, stirring at the rotating speed of 300r/min for 30min, then adding a potassium maleate solution, and continuously stirring for 30min to obtain the blending aid.
The mass fraction of the potassium maleate solution in this example was 10%.
The addition amount of the potassium maleate solution in the embodiment is 20% of the total amount of the nano silicon dioxide.
The dust absorption pipe of the embodiment is communicated with a third dust absorption pipe through a first dust absorption pipe, a second dust absorption pipe and a third dust absorption pipe, the inner diameters of the first dust absorption pipe, the second dust absorption pipe and the third dust absorption pipe are sequentially increased from top to bottom, the first dust absorption pipe is communicated with a dust absorption opening, and the third dust absorption pipe is communicated with a dustproof auxiliary agent.
Example 3.
The dustproof fermentation finished product alternate screening method comprises the following steps:
the method comprises the following steps: feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box;
step two: the top of the dustproof box is provided with a dust suction port which is communicated through a dust suction pipe, and the dust suction pipe is inserted into the dustproof auxiliary agent;
step three: ionizing the dustproof auxiliary agent, adding a precipitation agent, stirring at the rotating speed of 200r/min for 20min, washing with water, centrifuging, removing precipitation, and reusing the dustproof auxiliary agent;
step four: and (4) sequentially recovering the fermentation finished products screened by the vibrating screen, then rearranging the dustproof auxiliary agent, and repeating the screening method from the first step to the third step.
The specific preparation method of the dustproof additive in the embodiment comprises the following steps:
s1, modification of montmorillonite: the montmorillonite is sent into hydrochloric acid solution with the mass fraction of 3% to be stirred and reacted for 15min, the stirring speed is 300r/min, the stirring is finished, then the montmorillonite is placed in a calcining furnace to be calcined, the calcining temperature is 350 ℃, the calcining time is 20min, the calcining is finished, and then the montmorillonite is cooled to the room temperature at the speed of 3 ℃/min;
s2, preparing a chitosan solution:
feeding chitosan into ionic liquid according to the weight ratio of 1;
s3, preparing a dustproof auxiliary agent:
and (3) feeding the montmorillonite modified by the S1 into the chitosan solution of the S2, stirring at the rotating speed of 200r/min for 25min, and then continuously stirring at the rotating speed of 750r/min for 15min to obtain the dustproof auxiliary agent.
The preparation method of the ionic liquid in the embodiment comprises the following steps:
s1: adding hydrochloric acid into a sodium alginate solution with the mass fraction of 15% according to a weight ratio of 1;
s2: adding the active liquid into the dispersion according to the weight ratio of 1.
The preparation method of the active liquid in this example is as follows: mixing sodium dodecyl sulfate and a dispersing agent according to a weight ratio of 2;
the dispersant of the embodiment is a combination of polyethylene glycol and calcium stearate according to a weight ratio of 2.
The preparation method of the blending agent in this embodiment is as follows:
adding the nano silicon dioxide into a sodium citrate solution with the mass fraction of 20%, stirring at the rotating speed of 200r/min for 15min, then adding a potassium maleate solution, and continuously stirring for 25min to obtain the blending aid.
The mass fraction of the potassium maleate solution in this example was 7.5%.
The dust absorption pipe of the embodiment is communicated with a third dust absorption pipe through a first dust absorption pipe, a second dust absorption pipe and a third dust absorption pipe, the inner diameters of the first dust absorption pipe, the second dust absorption pipe and the third dust absorption pipe are sequentially increased from top to bottom, the first dust absorption pipe is communicated with a dust absorption opening, and the third dust absorption pipe is communicated with a dustproof auxiliary agent.
Comparative example 1
The same material as in example 3, except that no modified montmorillonite was added.
Comparative example 2
The same material as that of example 3, except that the suction pipes were not arranged with the first, second and third suction pipes.
The products of examples 1-3 and comparative examples 1-2 were tested for performance and the results were as follows:
as can be seen from the performances of examples 1-3 and comparative examples 1-2, the invention can effectively treat dust and has good dust-proof efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (10)
1. A dustproof alternating sieving method for fermented finished products is characterized by comprising the following steps:
the method comprises the following steps: feeding the fermented finished product into a screening machine for screening, wherein 3-4 layers of vibrating screens are arranged on the screening machine, the apertures of the vibrating screens are sequentially reduced from top to bottom, and the vibrating screens are arranged in a dustproof box;
step two: the top of the dustproof box is provided with a dust suction port which is communicated through a dust suction pipe, and the dust suction pipe is inserted into the dustproof auxiliary agent;
step three: ionizing the dustproof assistant, wherein the current intensity of the ionizing treatment is 1-5A, the current time is 10-20min, then adding a precipitation agent, stirring at the rotating speed of 100-300r/min for 10-30min, finally washing with water, centrifuging, removing the precipitation, and reusing the dustproof assistant;
step four: and (4) sequentially recovering the fermentation finished products screened by the vibrating screen, then rearranging the dustproof auxiliary agent, and repeating the screening method from the first step to the third step.
2. The method for alternately screening the dustproof fermentation finished products according to claim 1, wherein the specific preparation method of the dustproof additive comprises the following steps:
s1, modification of montmorillonite: sending montmorillonite into 1-5 wt% hydrochloric acid solution, stirring for 10-20min at a rotation speed of 100-500r/min, calcining in a calcining furnace at 300-400 deg.C for 15-25min, and cooling to room temperature at a rate of 1-5 deg.C/min;
s2, preparing a chitosan solution:
feeding chitosan into ionic liquid according to the weight ratio of 1;
s3, preparing the dustproof auxiliary agent:
and (3) feeding the S1 modified montmorillonite into the S2 chitosan solution, stirring at the rotating speed of 100-300r/min for 20-30min, and then continuously stirring at the rotating speed of 500-1000r/min for 10-20min to obtain the dustproof auxiliary agent.
3. The method for alternately screening dustproof fermentation finished products according to claim 2, wherein the preparation method of the ionic liquid comprises the following steps:
s1: adding hydrochloric acid into 10-20% sodium alginate solution according to a weight ratio of 1;
s2: adding the active liquid into the dispersion according to the weight ratio of 1.
4. The method for alternately sieving dustproof fermentation finished products according to claim 3, is characterized in that the preparation method of the active liquid comprises the following steps: mixing the sodium dodecyl sulfate and the dispersing agent according to the weight ratio of 2.
5. The method for alternately sieving dust-proof fermented finished products according to claim 4, wherein the dispersing agent is one or more of polyethylene glycol, sodium pyrophosphate and calcium stearate.
6. The method for alternately screening dustproof fermented finished products according to claim 5, wherein the dispersing agent is polyethylene glycol and calcium stearate which are combined according to a weight ratio of 2.
7. The method for alternately sieving dustproof fermentation finished products according to claim 2, is characterized in that the preparation method of the mixing aid comprises the following steps:
adding the nano silicon dioxide into a sodium citrate solution with the mass fraction of 10-30%, stirring at the rotating speed of 100-300r/min for 10-30min, then adding a potassium maleate solution, and continuously stirring for 20-30min to obtain the blending aid.
8. The alternate screening method of claim 7, wherein the mass fraction of the potassium maleate solution is 5-10%.
9. The method for alternately sieving dust-proof fermented finished products according to claim 7, wherein the addition amount of the potassium maleate solution is 10-20% of the total amount of the nano silicon dioxide.
10. The alternating sieving method of the dustproof fermentation finished product according to claim 1, wherein the dust suction pipes are communicated by a first dust suction pipe, a second dust suction pipe and a third dust suction pipe, the inner diameters of the first dust suction pipe, the second dust suction pipe and the third dust suction pipe are sequentially increased from top to bottom, the first dust suction pipe is communicated with the dust suction port, and the third dust suction pipe is communicated with the dustproof auxiliary agent.
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| US6062392A (en) * | 1998-11-13 | 2000-05-16 | Mesosystems Technology, Inc. | Micromachined virtual impactor |
| CN201644382U (en) * | 2010-04-12 | 2010-11-24 | 广西比莫比科技开发有限公司 | Improved vibrating screen |
| EP3598899B1 (en) * | 2011-12-13 | 2023-11-15 | Monsanto Technology LLC | Plant growth-promoting microbes and uses therefor |
| CA2885398A1 (en) * | 2012-10-10 | 2014-04-17 | Xyleco, Inc. | Processing materials |
| CN104187280A (en) * | 2014-07-15 | 2014-12-10 | 嘉兴中俄科技转化中心 | Ripening process for wheat aleurome layer content, and product thereof |
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