CN112934094B - Full-automatic multichannel measurement powder dispersion hybrid system - Google Patents
Full-automatic multichannel measurement powder dispersion hybrid system Download PDFInfo
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- 238000012216 screening Methods 0.000 claims abstract description 27
- 244000068988 Glycine max Species 0.000 claims abstract description 19
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Classifications
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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
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/813—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles mixing simultaneously in two or more mixing receptacles
-
- 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
- B01F23/70—Pre-treatment of the materials to be mixed
- B01F23/713—Sieving materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
-
- 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
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material
-
- 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
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
-
- 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
- B01F35/714—Feed mechanisms for feeding predetermined amounts
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of soybean fiber powder production, in particular to a full-automatic multi-channel metering powder dispersing and mixing system, which comprises: pan feeding system, screening plant and finished product storehouse, the finished product storehouse includes: the air bin is arranged at the discharge end and comprises a shell and an air deflector, the top of the bin body part of the air deflector, which is far away from the discharge end, is provided with an air inlet, and the bottom of the bin body part of the air deflector, which is close to the discharge end, is provided with a feed opening; the rotating speed of the motor and the opening degree of the feed opening are set according to system requirements, a height detection device is arranged in the feed bin, and the air inlet pressure of the air inlet is adjusted according to the detection result of the height detection device. The invention is provided with the wind bin, provides a technical measure for balancing the unstable blanking problem caused by height change for the fiber powder at the blanking opening, and effectively compensates the problem caused by the height change, thereby realizing quantitative feeding under the condition of certain control parameters.
Description
Technical Field
The invention relates to the technical field of soybean fiber powder production, in particular to a full-automatic multi-channel metering powder dispersing and mixing system.
Background
The dietary fiber is a natural organic high molecular compound, is a non-starch polysaccharide consisting of a plurality of dehydrated beta-glucose, and comprises cellulose, hemicellulose, pectin and other substances. Although dietary fiber cannot be digested and absorbed by human body, it has irreplaceable physiological effect in maintaining human health. In the production process of the soybean protein isolate, after the low-temperature soybean meal is subjected to multi-stage alkali extraction and alkali extraction separation, a solid substance which takes insoluble carbohydrate as a main component, namely wet soybean dregs, is obtained, wherein the content of soybean fiber is up to more than 65 percent, and the soybean fiber is a very good resource for processing soybean fiber.
In the existing soybean fiber production line, in order to ensure that the soybean fiber powder finally entering the package has stable quality, the wet soybean dregs subjected to dehydration, sterilization and drying are firstly crushed, and then the crushed fiber powder is sieved, so that different particle size ranges are obtained, and finally the fiber powder in the different particle size ranges is quantitatively and uniformly mixed to form a stable packaging unit.
However, in the above process, since the production process is a dynamic process, the ratio of the fiber powder in different particle size ranges is changed in real time, so that there is inevitably fluctuation in the quantitative supply of the fiber powder in different particle sizes.
In view of the above problems, the present designer is expecting to design a fully automatic multi-channel metering powder dispersion mixing system based on the practical experience and professional knowledge of the product engineering application for many years and with the application of the theory and study.
Disclosure of Invention
The invention provides a full-automatic multi-channel metering powder dispersing and mixing system which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a full-automatic multichannel measurement powder dispersion hybrid system includes:
a feeding system for supplying dried and pulverized soybean fiber powder;
the screening device is used for screening the soybean fiber powder and comprises a plurality of groups of fiber powder with different particle size ranges after screening;
finished product storehouse, with different particle diameter scope the fiber powder one-to-one sets up for to the fiber powder stores, includes:
the bin is used for storing the fiber powder from the screening device, and the bottom of the bin is provided with a discharge end;
the spiral stirring device comprises a motor and a spiral stirring rod, the motor is arranged at the top of the storage bin, the spiral stirring rod is vertically arranged in the storage bin and is driven by the motor to rotate so as to provide downward force for the fiber powder;
the air bin is arranged at the position of the discharge end and comprises a shell and an air deflector, the shell is butted with the discharge end through a feeding port and is used for carrying fiber powder from the discharge end, the air deflector is vertically arranged in the shell, the top of the air deflector is fixedly connected with the top of the inner wall of the shell, the bottom of the air deflector is arranged at intervals with the bottom of the inner wall of the shell, an air inlet is formed in the top of the bin body part of one side, away from the discharge end, of the air deflector, and a discharging port is formed in the bottom of the bin body part of one side, close to the discharge end, of the air deflector;
the rotating speed of the motor and the opening degree of the feed opening are set according to system requirements, a height detection device is arranged in the feed bin, the height of the internal fiber powder is detected, and the air inlet pressure of the air inlet is adjusted according to the detection result of the height detection device.
Furthermore, the contour line of the shell feeding port is in a first plane inclined relative to the horizontal plane, and an included angle alpha between the first plane and the horizontal plane is 45-70 degrees.
Further, the adjusting model of the air inlet pressure is as follows:
a1S1P＝a2·ρ·g·h·(S2-π·R2)
wherein,
S1the horizontal cross-sectional area of the bin body part between the air deflector and the side wall of one side of the air inlet of the shell is unit m2；
P is the air inlet pressure of the air inlet and the unit is Pa;
a1a first tuning constant associated with the spacing between the air deflection plate and the bottom of the interior of the housing;
a2a second tuning constant associated with the rotational speed of the motor and the flow area of the discharge end;
rho is an average density estimation value of the fiber powder contained in the finished product bin, and the unit is kg/m3；
g is the acceleration of gravity in m/s2；
h is the height of the fiber powder detected by the height detection device, and the unit is m;
S2is the horizontal cross-sectional area of the interior of the storage bin, and the unit is m2；
Pi is the circumference ratio, R is the radius of the horizontal stirring range of the spiral stirring device, and the unit is m.
Furthermore, the bottom plane of the wind bin is connected with the bottom contour line of the feeding port through a slope.
Further, the height of the top edge of the slope surface is lower than that of the bottom edge of the air deflector.
Further, the feeding system comprises:
the conditioning tank is internally filled with wet bean dregs, is connected with the acid tank, the alkali tank and the hot water tank, and comprises a stirring device and a heating device;
a dewatering device for dewatering the fiber powder from the tempering tank;
a sterilizer for sterilizing the fiber powder from the dehydration equipment;
a dryer for drying the sterilized fiber powder;
and the crushing device is connected with the screening device, and is used for crushing the fiber powder from the dryer and conveying the crushed fiber powder to the screening device.
Further, the drying machine and the crushing device are both connected with dust removal equipment.
Further, the dust removing equipment comprises a bag-type dust remover, an induced draft fan and at least one stage of cyclone separator;
gas to be dedusted enters the bag-type dust remover through the cyclone separator; the draught fan is connected with the bag-type dust collector and provides circulation power for gas to be dedusted, and a material outlet of the cyclone separator is connected with the screening device.
Further, the sterilizer is fed and discharged by a screw conveyor.
Further, the air inlet is provided with a one-way valve body.
Through the technical scheme of the invention, the following technical effects can be realized:
the invention provides a technical measure for balancing the unstable blanking problem caused by height change for the fiber powder at the blanking opening by arranging the air bin, in the implementation process, the fiber powder can enter the bin body part at one side of the air inlet through the gap at the bottom of the air deflector, when the fiber powder in the storage bin is higher, the air inlet provides relatively higher pressure and an air inlet area, the increase of the air pressure in the area can increase the density of the fiber powder at the bottom of the bin body part to form an extrusion area, the fiber powder at the part has the tendency of moving to the bin body part at the other side, thereby blocking the fiber powder in the blanking area of the silo, adjusting the blocking degree through the gas pressure, therefore, the problems caused by height change are effectively compensated, and quantitative feeding is realized under the condition that the control parameters are fixed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a fully automatic multi-channel metering powder dispersion mixing system;
FIG. 2 is a schematic structural view of a finished product bin;
FIG. 3 is a partial enlarged view of the wind box;
FIG. 4 is a schematic diagram of the distribution of fiber powder in the storage bin and the air bin;
FIG. 5 is a schematic diagram showing the distribution of different areas formed by fiber powder after air is introduced from the air inlet;
FIG. 6 is a schematic view of the distribution of the release areas;
FIG. 7 is a schematic diagram of the structure and distribution of a dust removing device;
reference numerals:
A. an air intake area; B. a crush zone; C. a blanking area; D. a release region;
1. a feeding system; 2. a screening device; 3. a finished product warehouse; 31. a storage bin; 32. a helical stirring device; 32a, a motor; 32b, a helical agitator shaft; 33. a wind bin; 33a, a housing; 33b, an air deflector; 33c, an air inlet; 33d, a feeding port; 33e, a feed opening; 34. a height detection device; 4. a first plane; 5. a slope surface; 6. a tempering tank; 61. an acid tank; 62. an alkali tank; 63. a hot water tank; 7. a dewatering device; 8. a sterilizer; 9. a dryer; 10. a crushing device; 11. a dust removal device; 111. a bag-type dust collector; 112. an induced draft fan; 113. a cyclone separator; 12. a screw conveyor.
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.
As shown in fig. 1 to 7, a full-automatic multi-channel metering powder dispersing and mixing system includes: a feeding system 1 for supplying dried and pulverized soybean fiber powder; the screening device 2 is used for screening the soybean fiber powder and comprises a plurality of groups of fiber powder with different particle size ranges after screening; finished product storehouse 3, with the setting of the fiber powder one-to-one of different particle diameter scope for save fiber powder, include: the storage bin 31 is used for storing the fiber powder coming from the screening device 2, and the bottom of the storage bin is provided with a discharge end; the spiral stirring device 32 comprises a motor 32a and a spiral stirring rod 32b, the motor 32a is arranged at the top of the storage bin 31, the spiral stirring rod 32b is vertically arranged in the storage bin 31, and is driven by the motor 32a to rotate so as to provide downward force for the fiber powder; the air bin 33 is arranged at the position of the discharging end and comprises a shell 33a and an air deflector 33b, the shell 33a is butted with the discharging end through a feeding port 33d to receive fiber powder from the discharging end, the air deflector 33b is vertically arranged in the shell 33a, the top of the air deflector is fixedly connected with the top of the inner wall of the shell 33a, the bottom of the air deflector is arranged at intervals with the bottom of the inner wall of the shell 33a, an air inlet 33c is arranged at the top of the bin body part of the air deflector 33b on the side far away from the discharging end, and a discharging port 33e is arranged at the bottom of the bin body part of the air deflector 33b on the side close to the discharging end; the rotating speed of the motor 32a and the opening degree of the feed opening 33e are set according to system requirements, a height detection device 34 is arranged in the bin 31, the height of the internal fiber powder is detected, and the air inlet pressure of the air inlet 33c is adjusted according to the detection result of the height detection device 34. The air inlet 33c is provided with a one-way valve body, thereby avoiding the influence of the backflow of the fiber powder on the air source.
In the working process, the feeding system 1 supplies dried and crushed soybean fiber powder, which is non-uniform in practical situation, so that in the continuous screening process, the proportion of the fiber powder with different particle size ranges entering the finished product bin 3 changes in real time, and thus the amount of the fiber powder in each finished product bin 3 is difficult to ensure stability.
In this embodiment, the fiber powder stored in the bin 31 is driven to move by the stirring of the helical stirring device 32, and a downward movement trend is obtained by the action of the helical blade, which enables the fiber powder to smoothly drop into the packaging bag from the feed opening 33e with a proper opening degree, wherein the stirring speed of the helical stirring device 32 and the opening degree of the feed opening 33e in different finished product bins 3 are set according to the proportion of the fiber powder with different particle sizes set by the system, and the setting can achieve the determined effect that the downward force applied to the fiber powder reaching the feed opening 33e is consistent, but in the actual production process, in view of the real-time change of the height of the fiber powder in different bins 31, the magnitude of the downward force applied to the fiber powder at the feed opening 33e is certainly changed.
In order to solve the above technical problem, the wind box 33 is provided in the present embodiment, and a technical measure for balancing the unstable feeding problem caused by the height change is provided for the fiber powder at the feeding opening 33 e. In the implementation process, the fiber powder can enter the bin body part at one side of the air inlet 33C through the gap at the bottom of the air deflector 33B, when the fiber powder in the bin 31 is high, the air inlet 33C provides relatively high pressure, so that an air inlet area A shown in fig. 5 is formed, in the area, the powder can fly, but the density of the powder is relatively low, the increase of the air pressure can increase the density of the fiber powder at the bottom of the bin body part at the position, a squeezing area B shown in fig. 5 is formed, the trend that the right side in the figure is the bin body part at the other side of the figure is existed in the part of the fiber powder, so that the fiber powder in the blanking area C from the bin 31 can be blocked, the blocking degree is adjusted through the air pressure, and the problem caused by the height change can be effectively compensated.
In order to improve the sensitivity of the adjustment and ensure the smoothness of blanking during the resistance supply process, as a preference of the embodiment, the contour line of the open end of the shell 33a is in a first plane 4 inclined relative to the horizontal plane, and the included angle alpha between the first plane 4 and the horizontal plane is 45-70 degrees.
Through the control of the angle of the first plane 4, the fiber powder falling from the discharge end falls in the direction inclined relative to the longitudinal direction, while the fiber powder from the extrusion area B becomes in the horizontal direction, and after the fiber powder and the inclined falling fiber powder are synthesized in the direction, the falling fiber powder obtains the tendency of recovering the falling in the longitudinal direction, so that the falling powder can be ensured to obtain resistance and ensure the smoothness of the blanking.
In specific implementation, the pressure regulation model of the air inlet 33c is as follows:
a1S1P＝a2·ρ·g·h·(S2-π·R2)
wherein,
S1is the horizontal cross-sectional area of the bin body part between the air deflector 33b and the side wall of the shell 33a at one side of the air inlet 33c, and has unit m2；
P is the inlet pressure of the inlet 33c and is expressed in Pa;
a1a first adjustment constant, which is related to the distance between the air guiding plate 33b and the bottom of the inner side of the casing 33 a;
a2a second tuning constant associated with the rotational speed of the motor 32a and the flow area of the discharge end;
rho is an estimated value of the average density of the fiber powder contained in the finished product bin 3, and the unit is kg/m3；
g is the acceleration of gravity with the unit of m/s 2;
h is the height of the fiber powder detected by the height detection device 34, and the unit is m;
S2is the horizontal cross-sectional area inside the silo 31, given in m 2;
pi is the circumferential ratio and R is the radius of the horizontal stirring range of the helical stirring device 32, and the unit is m.
First adjustment constant a in the course of implementation1And a second tuning constant a2As a matter of course, the first adjustment constant a is more critical1And a second tuning constant a2According to system setting, the adjustment is carried out through different equipment conditions, wherein the equipment conditions mainly comprise the sizes of all parts of the equipment and the rotating speed of the motor 32a, and after the two adjustment constants are determined, the air inlet pressure P is positively correlated with the height h of the fiber powder, so that accurate and stable adjustment can be realized.
Wherein, the bottom plane of the wind bin 33 is connected with the bottom contour line of the feeding port through a slope 5. The setting up of domatic 5 makes the fibre powder of whereabouts can further be guided, and further improves the smoothness nature of unloading, also can carry out certain degree to the fibre powder that comes from extrusion region B simultaneously and block to make the increase and hinder the scope more concentrate, improve the sensitivity of control.
Preferably, as shown in fig. 6, the top edge of the slope 5 is lower than the bottom edge of the air deflector 33 b. In the resistance increasing process, in order to avoid that the upper and lower density difference between the upper and lower fiber powder bodies is too large and a compaction area is formed locally to form agglomeration, in the preferred scheme, the height difference H is formed through the limitation of the height, so that a release area D is formed, the looseness of the fiber powder bodies is kept as much as possible while the resistance is increased, and the stability of the product is ensured, namely, the fiber powder bodies are compacted to an excessive degree in the resistance increasing process.
The feeding system 1 includes: the conditioning tank 6 is internally filled with wet bean dregs, is connected with the acid tank 61, the alkali tank 62 and the hot water tank 63, and comprises a stirring device and a heating device; a dewatering device 7 for dewatering the fiber powder from the tempering tank 6; a sterilizer 8 for sterilizing the fiber powder from the dehydration facility 7; a dryer 9 for drying the sterilized fiber powder; the crushing device 10 is connected to the screening device 2, and crushes the fiber powder from the dryer 9 and conveys the crushed fiber powder to the screening device 2.
The following implementation modes can be specifically adopted for producing the soybean fiber powder by utilizing the full-automatic multi-channel metering powder dispersion mixing system in the embodiment:
tempering: mixing soybean dregs and water from a hot water tank 63 in a conditioning tank 6 with the thickness of 15-20 m3, controlling the solid content to be 8-10%, uniformly stirring, heating to 55-95 ℃, keeping for 30-60 minutes, carrying out heat treatment, then adjusting the pH to 7.0-10.0 by using NaOH solution from an alkali tank 62, or adjusting the pH to 5.0-7.0 by using HCL solution from an acid tank 61, and continuously keeping for 5-15 minutes; the variation of the pH value can effectively control the propagation of microorganisms in a production system on one hand, and can also carry out corresponding pH adjustment according to the quality characteristic requirements of the product such as the application and the like on the other hand.
Filtering and squeezing: the conditioned material liquid enters a dewatering device 7 through a pipeline, a large-flow open impeller centrifugal pump is used as conveying power on the pipeline, the dewatering device 7 is used for dewatering and filtering, wherein the dewatering device 7 can adopt a diaphragm type filter press, and finally, the water content of a filter cake is controlled to be 60-65%.
And (3) sterilization: and (3) enabling the filter cake obtained from the dewatering equipment 7 to enter a sterilizer 8, and sterilizing by steam, wherein the sterilization steam pressure is 0.8-1.0 MPa, the sterilization temperature is 121-135 ℃, and the sterilization time is 20-30 min.
And (3) drying: the method comprises the steps of adjusting the frequency of an air inlet machine and an induced draft fan 112 of a conventional dryer 9, adjusting the micro negative pressure in the dryer 9 to 0.05-0.1 mpa, controlling the air inlet temperature to be 150-170 ℃, drying fiber powder, observing the discharging condition, adjusting the feeding rate and controlling the moisture content of a product to be 8-11%.
Crushing: the dried coarse powder is connected with a wind power conveying pipeline and enters the crushing device 10, the feeding amount is adjusted by adjusting the frequency of the feeding motor 32a, and finally the coarse powder is ground into fiber powder of 80-200 meshes.
Screening: the crushed fiber powder enters a subsequent crushing device 10 for combined screening, in the embodiment, three products with different specifications, namely 40-80 meshes, 80-120 meshes and 120-250 meshes, can be screened out and enter three different finished product bins 3 according to the proportion.
Packaging: and the fiber powder in the finished product bin 3 enters a packaging machine through a stainless steel iron remover to be metered and packaged, and the packaged fiber powder enters the finished product bin 3 after abnormal reaction of a metal detector.
In the drying and pulverizing processes, fine dust contained in the fiber powder is dispersed in the air, and in order to avoid contamination of the air, it is preferable that the dryer 9 and the pulverizing device 10 are connected to the dust removing device 11 as in the above embodiment. Through the setting of dust collecting equipment 11, the dusty gas of a small amount of tiny dust is purified, and the tail gas is evacuated through the tail gas pipeline after removing dust, prevents the polluted environment.
In order to further improve the utilization rate of soybean fibers, the dust removing device 11 comprises a bag-type dust remover 111, an induced draft fan 112 and at least one stage of cyclone separator 113; the gas to be dedusted enters the bag-type deduster 111 through the cyclone separator 113; the induced draft fan 112 is connected with the bag-type dust collector 111, and provides circulation power for the gas to be dedusted, and the material outlet of the cyclone separator 113 is connected with the screening device 2.
The arrangement of the cyclone separator 113 enables the fiber powder with larger particle size to participate in the conveying process again, the rest dust-containing gas with a small amount of fine dust enters the bag-type dust remover 111 for purification, and the tail gas is emptied through a tail gas pipeline after dust removal, so that the environment pollution is prevented; the cyclone 113 discharges the fiber powder into the subsequent screening device 2.
To cope with the problem of system operational fluctuations, the steriliser 8 is fed and discharged by a screw conveyor 12. The screw conveyor 12 is adopted for feeding and discharging, when the work of the dehydration device 7, the sterilizer 8 and the dryer 9 fluctuates within a certain range, the work balance of the screw conveyor 12, the sterilizer and the dryer can be realized by adjusting the working frequency and the rotating speed of the feeding and discharging of the screw conveyor 12, wherein the temperature sensor arranged in the feeding auger of the sterilizer 8 sterilizes when the temperature reaches 121-135 ℃.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a full-automatic multichannel measurement powder dispersion hybrid system which characterized in that includes:
a feeding system for supplying dried and pulverized soybean fiber powder;
the screening device is used for screening the soybean fiber powder and comprises a plurality of groups of fiber powder with different particle size ranges after screening;
finished product storehouse, with different particle diameter scope the fiber powder one-to-one sets up for to the fiber powder stores, includes:
the bin is used for storing the fiber powder from the screening device, and the bottom of the bin is provided with a discharge end;
the spiral stirring device comprises a motor and a spiral stirring rod, the motor is arranged at the top of the storage bin, the spiral stirring rod is vertically arranged in the storage bin and is driven by the motor to rotate so as to provide downward force for the fiber powder;
the air bin is arranged at the position of the discharge end and comprises a shell and an air deflector, the shell is butted with the discharge end through a feeding port and is used for carrying fiber powder from the discharge end, the air deflector is vertically arranged in the shell, the top of the air deflector is fixedly connected with the top of the inner wall of the shell, the bottom of the air deflector is arranged at intervals with the bottom of the inner wall of the shell, an air inlet is formed in the top of the bin body part of one side, away from the discharge end, of the air deflector, and a discharging port is formed in the bottom of the bin body part of one side, close to the discharge end, of the air deflector;
the rotating speed of the motor and the opening degree of the feed opening are set according to system requirements, a height detection device is arranged in the feed bin and used for detecting the height of the internal fiber powder, and the air inlet pressure of the air inlet is adjusted according to the detection result of the height detection device;
the adjusting model of the air inlet pressure is as follows:
a1·S1·P=a2·ρ·g·h·(S2-π·R2)
wherein,
S1the horizontal cross-sectional area of the bin body part between the air deflector and the side wall of one side of the air inlet of the shell is unit m2；
P is the air inlet pressure of the air inlet and the unit is Pa;
a1a first tuning constant associated with the spacing between the air deflection plate and the bottom of the interior of the housing;
a2a second tuning constant associated with the rotational speed of the motor and the flow area of the discharge end;
rho is an average density estimated value of the fiber powder contained in the finished product bin, and the unit is kg/m;
g is the acceleration of gravity in m/s2；
h is the height of the fiber powder detected by the height detection device, and the unit is m;
S2is the horizontal cross-sectional area of the interior of the storage bin, and the unit is m2；
Pi is the circumference ratio;
and R is the radius of the horizontal stirring range of the spiral stirring device, and the unit is m.
2. The fully automatic multi-channel metering powder dispersing and mixing system of claim 1, wherein the contour line of the shell feeding port is in a first plane inclined relative to a horizontal plane, and an included angle α between the first plane and the horizontal plane is 45-70 °.
3. The full-automatic multi-channel metering powder dispersing and mixing system of claim 2, wherein the bottom plane of the wind bin is connected with the bottom contour line of the feeding port through a slope.
4. The fully automatic multi-channel metering powder dispersion mixing system of claim 3, wherein the top edge of the slope is lower in height than the bottom edge of the air deflector.
5. The full-automatic multi-channel metering powder dispersing and mixing system of any one of claims 1 to 4, wherein the feeding system comprises:
the conditioning tank is internally filled with wet bean dregs, is connected with the acid tank, the alkali tank and the hot water tank, and comprises a stirring device and a heating device;
a dewatering device for dewatering the fiber powder from the tempering tank;
a sterilizer for sterilizing the fiber powder from the dehydration equipment;
a dryer for drying the sterilized fiber powder;
and the crushing device is connected with the screening device, and is used for crushing the fiber powder from the dryer and conveying the crushed fiber powder to the screening device.
6. The full-automatic multi-channel metering powder dispersing and mixing system of claim 5, wherein the dryer and the crushing device are both connected with a dust removal device.
7. The full-automatic multi-channel metering powder dispersing and mixing system of claim 6, wherein the dust removing equipment comprises a bag-type dust remover, an induced draft fan and at least one stage of cyclone separator;
gas to be dedusted enters the bag-type dust remover through the cyclone separator; the draught fan is connected with the bag-type dust collector and provides circulation power for gas to be dedusted, and a material outlet of the cyclone separator is connected with the screening device.
8. The fully automatic multi-channel metering powder dispersion mixing system of claim 7 wherein the sterilizer feeds and discharges via a screw conveyor.
9. The full-automatic multi-channel metering powder dispersing and mixing system of claim 1, wherein the air inlet is provided with a one-way valve body.
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| CN1204983C (en) * | 2002-11-24 | 2005-06-08 | 谭传德 | High-efficient powder separator |
| US9827571B2 (en) * | 2014-02-25 | 2017-11-28 | Zhejiang Future Machinery Co., Ltd | Dry granulator |
| CN105668239B (en) * | 2016-03-02 | 2018-09-25 | 煤科院节能技术有限公司 | A kind of powder feeding system |
| CN107594547A (en) * | 2017-09-19 | 2018-01-19 | 山东御馨生物科技有限公司 | A kind of device that soybean fiber powder is produced using the wet bean dregs of soybean protein isolate as raw material |
| CN210474583U (en) * | 2019-05-23 | 2020-05-08 | 禹州市金宇抛光材料有限公司 | Raw materials screening separator |
| CN110397916B (en) * | 2019-07-01 | 2020-11-20 | 东南大学 | A kind of pressurized fluidized bed continuous automatic feeding device and feeding method |
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