CN113426672B - Multi-time material throwing air separation system - Google Patents
Multi-time material throwing air separation system Download PDFInfo
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- CN113426672B CN113426672B CN202110756531.3A CN202110756531A CN113426672B CN 113426672 B CN113426672 B CN 113426672B CN 202110756531 A CN202110756531 A CN 202110756531A CN 113426672 B CN113426672 B CN 113426672B
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- 239000000463 material Substances 0.000 title claims abstract description 244
- 238000000926 separation method Methods 0.000 title claims abstract description 122
- 238000001514 detection method Methods 0.000 claims abstract description 69
- 238000009826 distribution Methods 0.000 claims description 34
- 239000011797 cavity material Substances 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 241000208125 Nicotiana Species 0.000 description 17
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
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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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
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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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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Abstract
The invention discloses a multiple-throwing air separation system, which comprises: the air separation machine comprises a feeding device, an air separation fan, an air separation machine body, a light material discharge port and a heavy material discharge port, wherein a feeding detection device is arranged on the feeding device; the middle part of the air separation machine body is provided with the primary material throwing roller and the secondary material throwing roller, multiple material throwing of materials is realized through the primary material throwing roller and the secondary material throwing roller, and the air separation machine body forms circular air separation, so that the air separation effect is greatly improved, and the light qualified materials can be thoroughly separated.
Description
Technical Field
The invention relates to the technical field of tobacco machinery, in particular to a multiple-throwing air separation system.
Background
In tobacco manufacturing enterprises, a pneumatic separation system is one of extremely important devices in tobacco processing and production processes, and is mainly used for pneumatic separation of tobacco materials, the material throwing linear speed, the pneumatic separation wind speed and the like of the existing pneumatic separation device are controlled according to the pneumatic separation quality of materials subjected to pneumatic separation, but a detection result often has certain time delay, manual adjustment is needed for different batches of materials, closed-loop control is not formed in detection and control of the device, in addition, the existing material throwing mode is single, the material throwing position is not adjustable, after material throwing, the material is not uniformly dispersed, partial stalled materials and materials falling along the inner wall are conveyed to downstream equipment by a conveying device, and the pneumatic separation effect is poor. The existing air separation equipment only adopts a steel punching plate chain to transmit materials, has no dispersing effect on the materials, and has poor air separation effect because the agglomerated materials are quickly sent into downstream equipment.
Disclosure of Invention
In order to overcome the defects in the prior art, the inventor provides a multiple-throwing air separation system, closed-loop control of the air separation system is realized, tobacco leaves and tobacco stems are separated more thoroughly, and the air separation qualified rate and the air separation efficiency can be effectively improved.
Specifically, the invention provides a multiple-throwing air separation system, which comprises: the air separation device comprises a feeding device, an air separation fan, an air separation machine body, a light material discharge hole positioned at the upper end of the air separation machine body and a heavy material discharge hole positioned at the bottom end of the air separation machine body, wherein the feeding device is provided with a feeding detection device which is positioned above materials and used for detecting the moisture, temperature and physical state of the fed materials;
the middle part of the air separation machine body is provided with an air cavity material detection device which is used for detecting the convergence degree of materials in the air separation machine body cavity;
a light material detection device is arranged at the light material discharge port and is used for detecting the content of heavy materials in the discharged light material;
a heavy material detection device is arranged at the heavy material discharge port and is used for detecting the content of light materials in the heavy material discharge;
the feeding detection device, the air cavity material detection device, the light material detection device and the heavy material detection device are respectively in signal connection with the controller;
the middle part of the air separation machine body is provided with a primary material throwing roller and a secondary material throwing roller, the primary material throwing roller is positioned below a feed inlet of the air separation machine body, the secondary material throwing roller is positioned at the middle lower part of the air separation machine body and is arranged diagonally with the primary material throwing roller, and the controller is respectively connected with the primary material throwing roller and the secondary material throwing roller and is used for adjusting the rotating speed of the primary material throwing roller and the secondary material throwing roller;
the controller is connected with the air distribution fan and used for adjusting the air distribution speed of the air distribution fan;
the controller is connected with the feeding device and is used for controlling the feeding speed.
Furthermore, the middle part of the air separation machine body is provided with an auxiliary air inlet, the auxiliary air inlet is located at the position where the secondary material throwing roller is opposite, the auxiliary air inlet is connected with an auxiliary fan, an adjustable air plate with an adjustable angle is arranged at the position of the auxiliary air inlet, and the auxiliary fan is connected with a controller.
Furthermore, a separating and conveying device is arranged on the lower portion of the air separation machine body, the separating and conveying device is obliquely arranged and obliquely faces the heavy material discharge port, the output end of the separating and conveying device is located above the heavy material discharge port, and the controller is connected with the separating and conveying device and used for adjusting the shaking-up capacity of the separating and conveying device.
Furthermore, a plurality of air distribution mechanisms are arranged at the lower part of the air separation machine body, the air distribution mechanisms are positioned below the separation conveying device, and each air distribution mechanism is composed of a plurality of sections of air distribution plates with adjustable angles.
Further, a gas-material separation device is arranged above the light material discharge port, and the gas-material separation device is positioned above the light material detection device.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the multiple material throwing air separation system, the materials are thrown for three times through the primary material throwing roller, the auxiliary air inlet and the secondary material throwing roller, circular air separation is formed in the air separation machine body, the air separation effect is greatly improved, and light qualified materials can be thoroughly separated.
(2) The material that throws the material roller through the secondary and carry out the dispersion and throw the material once more stall and fall along the inner wall, avoid this part material directly to fall into low reaches equipment, effectively improve the air separation effect.
(3) Utilize feeding detection device, wind chamber material detection device, light material detection device and heavy material detection device to import material, material in the wind chamber, export light material, export heavy material's relevant parameter detects respectively, adjust input speed, throw material speed, supplementary air intake wind speed, separation conveying speed through the controller, form closed-loop control, reduced artifical participation, improved work efficiency, make the material suspension more even, the separation is more thorough, increase the wind qualification rate of dividing.
Drawings
Fig. 1 is a schematic structural diagram of a multiple-throwing air separation system in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the air distribution mechanism in embodiment 1;
fig. 3 is a state diagram of the multi-throwing air separation system in the embodiment 2 after one-time throwing;
fig. 4 is a state diagram of the use of the multiple-throwing air-assisted system in embodiment 2 after secondary throwing.
1-a feeding device; 11-a feed detection device; 2-wind separating machine body; 21-light material outlet; 211-light material detection means; 212-gas-material separation device; 22-heavy material outlet; 221-heavy material detection device; 23-air cavity material detection device; 24-a primary throwing roller; 25-secondary polishing roller; 26-auxiliary air inlet; 261-auxiliary fan; 27-a separation conveyor; 28-air distribution mechanism; 281-air distribution plate; 282-angle adjuster; 29-air intake.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the description of the methods may be transposed or transposed in order, as will be apparent to a person skilled in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
As shown in fig. 1, the present invention provides a multiple-throwing air separation system, which comprises: the device comprises an artificial intelligent program controller (not shown), a feeding device 1, an air distribution fan (not shown), an air distribution machine body 2, a light material discharge port 21 positioned at the upper end of the air distribution machine body 2 and a heavy material discharge port 22 positioned at the bottom end of the air distribution machine body 2. The feeding mode of the feeding device 1 is vibration conveying feeding, blanking device feeding, belt conveying feeding, etc., and the specific structure is well known to those skilled in the art and will not be described herein. The feeding device 1 is provided with a feeding detection device 11, and the feeding detection device 11 is positioned above the feeding. Used for detecting the moisture, temperature and physical state of the material (whether the tobacco leaves are mixed with the tobacco stems or the tobacco shreds are mixed with the tobacco stems) of the feeding material. Air divides the organism 2 middle part to be provided with wind chamber material detection device 23, and wind chamber material detection device 23 is used for detecting the interior material proportion (material degree of assembling) of air-divided organism 2 cavity and detects. The light material discharge port 21 is provided with a light material detection device 211, the light material detection device 211 is used for detecting the content (namely the discharge qualification rate) of heavy materials in the light material discharge, a gas-material separation device 212 is arranged above the light material discharge port 21, and the gas-material separation device 212 is positioned above the light material detection device 211 and is used for separating the light materials from wind so as to be convenient for collecting the light materials. Meanwhile, the light material detection device 211 is convenient for detecting the light material after wind separation. And a heavy material detection device 221 is arranged at the heavy material discharge port 22, and the heavy material detection device 221 is used for detecting the content of light materials in the heavy material discharge. The feeding detection device 11, the air cavity material detection device 23, the light material detection device 211 and the heavy material detection device 221 are composed of a detection window, a camera, a light source, a temperature measuring instrument, a moisture meter and the like, and are widely used for detecting moisture of materials in the field. Temperature and physical state.
An auxiliary air inlet 26, a primary material throwing roller 24 and a secondary material throwing roller 25 are arranged in the middle of the air separation machine body 2, the primary material throwing roller 24 is positioned below a feed inlet of the air separation machine body 2, the secondary material throwing roller 25 is positioned in the middle lower portion of the air separation machine body 2 and is arranged diagonally with the primary material throwing roller 24, and the artificial intelligent program controller is respectively connected with the primary material throwing roller 24 and the secondary material throwing roller 25 and is used for adjusting the rotating speed of the primary material throwing roller 24 and the secondary material throwing roller 25. The auxiliary air inlet 26 is located at a position opposite to the secondary material throwing roller 25, the auxiliary air inlet 26 is connected with the auxiliary fan 261, an adjustable air plate (not shown) is arranged at the auxiliary air inlet 26, and the air inlet angle of the auxiliary air inlet 26 can be adjusted by adjusting the adjustable air plate. Preferably, adjustable aerofoil accessible motor drive, the motor is connected with artifical intelligent program controller again to the realization adjusts the air-out angle of supplementary wind gap 26 through artifical intelligent program controller, and concrete structure is no longer repeated here. Specifically, after the materials enter the air separation machine body 2, the materials are thrown for the first time by the primary throwing roller 24, and then are thrown by the air of the auxiliary air inlet 26 to offset the inertia force of the falling of the materials, so that the secondary throwing is realized; and part of the materials fall down after stalling on the inner wall due to inertia, pass through the secondary material throwing roller 25 during falling, and are thrown for the third time by the secondary material throwing roller 25. The materials are repeatedly thrown and scattered, multiple circulation matching winnowing is realized, and the light qualified materials and the heavy materials can be thoroughly separated.
The lower part of the air separation machine body 2 is provided with a separation conveying device 27, the separation conveying device 27 is obliquely arranged and is obliquely arranged towards the heavy material discharge port 22, the output end of the separation conveying device 27 is positioned above the heavy material discharge port 22, the agglomerated material and the unqualified heavy material on the separation conveying device 27 can be further shaken and separated, the light qualified material upwards floats for air separation again, and the air separation effect is improved. Preferably, the conveying mode of the separating and conveying device 27 is a vibrating screen or a conveying mesh belt, and the specific structure is well known to those skilled in the art and will not be described in detail herein. The lower part of the air separation machine body 2 is provided with a plurality of air distribution mechanisms 28, and the air distribution mechanisms 28 are positioned below the separation conveying device 27 and play a role of uniformly distributing air from the air separation fan. Preferably, as shown in fig. 2, each wind distribution mechanism 28 comprises a plurality of wind distribution plates 281, and two adjacent wind distribution plates 281 are connected through an angle adjuster 282, so that the angle of each wind distribution plate 281 is adjustable, thereby changing the cross-sectional area of the inlet wind.
The artificial intelligent program controller is respectively connected with the feeding device 1, the air distribution fan, the feeding detection device 11, the air cavity material detection device 23, the light material detection device 211, the heavy material detection device 221, the separation conveying device 27 and the auxiliary fan 261, and is used for acquiring relevant data detected by the feeding detection device 11, the air cavity material detection device 23, the light material detection device 211 and the heavy material detection device 221, and adjusting the feeding speed, the air separation speed, the auxiliary speed and the rotating speeds of the primary material throwing roller 24 and the secondary material throwing roller 25 according to the relevant data, so that closed-loop control of air distribution is realized, manual participation is reduced, and the air distribution effect is improved.
Specifically, the working process is as follows:
first, when the material is conveyed to the air separation machine body 2 through the feeding device 1, the feeding detection device 11 detects the moisture, temperature and physical state of the material, and at the same time, the primary material throwing roller 24, the secondary material throwing roller 25, the auxiliary fan 261 and the separation conveying device 27 all work in an initial state. If the feeding detection device 11 detects that the moisture and the temperature of the material meet the process requirements, the material has the best mechanical performance and is not easy to break, and the manual intelligent program controller adjusts the rotating speed of the primary material throwing roller 24 and adopts a faster linear speed to throw the material; when the feeding detection device 11 detects that the material is a mixture of tobacco stems and tobacco leaves, the artificial intelligent program controller initially sets the wind speed of the wind separating fan to be suitable for the wind speed of the tobacco leaves and the tobacco stems. After the material is thrown by the primary throwing roller 24, the material is subjected to air separation, and when the light material detection device 211 (photographing detection) detects that the content (leaf and stalk content) of the heavy material in the discharged light material exceeds 2%, the original air separation speed is properly reduced to achieve the purpose of increasing the qualified rate. When the heavy material detection device 221 detects that the proportion of the light materials in the heavy material discharge port 22 is increased, the manual intelligent program controller increases the air separation speed, the conveying speed of the separation conveying device 27, the air speed of the auxiliary air inlet 26 and the rotating speed of the secondary material throwing roller 25, so that air separation is more thorough, and the air separation effect is improved. When the air cavity material detection device 23 detects that the material accumulation in the middle cavity of the air separation machine body 2 is too much, the manual intelligent program controller adjusts the rotating speed of the primary material throwing roller 24 and the air speed of the auxiliary air inlet 26, so that the material throwing position is changed, and the material accumulation in the air cavity is reduced. When the feeding detection device 11 detects that the material flow is increased, the artificial intelligent program controller controls and increases the rotating speeds of the primary material throwing roller 24 and the secondary material throwing roller 25 to assist the wind speed and the wind speed.
Example 2
Taking the throwing air separation system used for a threshing production line of 12000kg/h as an example:
12000kg/h threshing production line, after beating, four air separators are generally arranged to carry out series air separation winnowing, each air separator ensures that the material at the light material outlet is qualified, the heavy material outlet can contain the light material and enters a second air separator to carry out air separation winnowing, and the four air separators are connected in series to complete winnowing.
When tobacco materials are subjected to primary threshing, the materials are a mixture of tobacco leaves and tobacco stems, mixed materials are fed into the air separation machine body 2 through a feeding device, primary threshing is carried out through a primary threshing roller 24, when the mixed materials pass through a feeding detection device 11, the physical state, threshing efficiency, inlet flow, moisture, temperature and the like of the materials can be detected, when detected data (threshing efficiency, warehousing flow, temperature and moisture and processing parameters are selected primarily in combination with corresponding states), the controller initially sets the applicable air separation fan to have the air speed of about 4m/s, the linear speed of the primary threshing roller 24 is 12m/s, the linear speed of the secondary threshing roller 25 is 10m/s, the air speed of an auxiliary air inlet 26 is 4m/s, and the air inlet angle is 80 degrees (the air inlet angle is the included angle between the auxiliary air inlet 26 and the end face). The mixed materials are thrown into the air cavity by the primary throwing roller 24, and the thrown materials are detected by the air cavity material detection device 23 for the convergence degree of the materials. As shown in fig. 3, if the material on the right side of the air cavity is gathered to a greater extent after the primary material throwing, the controller controls the linear velocity of the primary material throwing roller 24 to decrease by about 5% or increase by 0.5% the set value of the air inlet intersection angle of the auxiliary air inlet 26 or appropriately decrease by about 5% the set value of the air velocity of the auxiliary air inlet 26, thereby ensuring that the mixed material is thrown and then uniformly distributed in the air distributor 2. Similarly, if the convergence degree of the materials on the left side of the air separation machine body 2 is large after primary material throwing, the controller controls the linear speed set value of the primary material throwing roller 24 to increase by about 5%, or reduces the air inlet intersection angle set value of the auxiliary air inlet 26 by 0.5%, or appropriately increases the air speed of the auxiliary air inlet 26 by about 5%, so that the mixed materials are uniformly distributed in the air separation machine body 2 after being thrown. Part of the mixed materials are dispersed through the secondary throwing roller 25 and thrown into the air separation body 2 again when falling due to the fact that the inner wall of the mixed materials is stalled by inertia, air separation is carried out again after the mixed materials are raised in an accelerating mode, and the thrown materials are detected to be converged through the air cavity material detection device 23. As shown in fig. 4, if the material accumulation degree on the left side of the air separation machine body 2 is large after the secondary material throwing, the linear speed of the secondary material throwing roller 25 is controlled by the controller to be reduced by about 5% of a set value, so that the mixed material is uniformly distributed in the air separation machine body 2 after being thrown; similarly, if the material on the right side of the air separation machine body 2 is stacked to a greater extent after the secondary material throwing, the linear velocity of the secondary material throwing roller 25 is controlled by the controller to increase by about 5% of a set value, so that the mixed material is uniformly distributed in the air separation machine body after being thrown.
After the mixed material is subjected to air separation and winnowing, the light qualified material enters downstream equipment after passing through a light material detection device 211, and when the light material detection device 211 detects that the stalk content of the light material outlet leaves is more than 2%, a controller controls an air separation fan to reduce the set value of the air separation wind speed by about 5% and ensure that the stalk content of the light material outlet leaves is less than or equal to 2%; the heavy material after winnowing enters downstream equipment from a heavy material outlet 22 through a heavy material detection device 221, and when the heavy material detection device 221 detects more qualified materials at the material outlet, the air separation fan is controlled by the controller to increase the set value of the air separation air speed by about 5%, and meanwhile, the stalk content of the light material outlet leaves is ensured to be less than or equal to 2%. When the heavy material detection device detects that the material outlet has agglomerated materials, the controller controls the separation conveying device 27 to increase the separation shaking-off capacity, and the light qualified materials float upwards again to perform air separation winnowing.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. Numerous simple deductions, modifications or substitutions may also be made by those skilled in the art in light of the present teachings.
Claims (4)
1. A multiple-throw pneumatic separation system comprising: the air separation device comprises a feeding device, an air separation fan, an air separation machine body, a light material discharge port positioned at the upper end of the air separation machine body and a heavy material discharge port positioned at the bottom end of the air separation machine body, and is characterized in that the feeding device is provided with a feeding detection device, and the feeding detection device is positioned above materials and used for detecting the moisture, the temperature and the physical state of the fed materials;
the middle part of the air separation machine body is provided with an air cavity material detection device which is used for detecting the convergence degree of materials in the air separation machine body cavity;
a light material detection device is arranged at the light material discharge port and used for detecting the content of heavy materials in the discharged light material;
a heavy material detection device is arranged at the heavy material discharge port and is used for detecting the content of light materials in the heavy material discharge;
the feeding detection device, the air cavity material detection device, the light material detection device and the heavy material detection device are respectively in signal connection with the controller;
the air distribution machine is characterized in that a primary material throwing roller, an auxiliary air inlet and a secondary material throwing roller are arranged in the middle of the air distribution machine body, the primary material throwing roller is positioned below a feed inlet of the air distribution machine body, the secondary material throwing roller is positioned on the middle lower portion of the air distribution machine body and is arranged diagonally with the primary material throwing roller, the auxiliary air inlet is positioned at a position opposite to the secondary material throwing roller, the auxiliary air inlet is connected with an auxiliary fan, the auxiliary fan is connected with a controller, and an adjustable air plate with an adjustable angle is arranged at the position of the auxiliary air inlet; the auxiliary air inlet is used for reducing material accumulation in the air cavity;
the controller is respectively connected with the primary material throwing roller and the secondary material throwing roller and is used for adjusting the rotating speed of the primary material throwing roller and the secondary material throwing roller;
the controller is connected with the air distribution fan and used for adjusting the air distribution speed of the air distribution fan;
the controller is connected with the feeding device and is used for controlling the feeding speed.
2. The multiple-throwing air separation system according to claim 1, wherein a separation and conveying device is arranged at the lower part of the air separation body, the separation and conveying device is obliquely arranged and obliquely faces the heavy material outlet, the output end of the separation and conveying device is positioned above the heavy material outlet, and the controller is connected with the separation and conveying device.
3. The multiple-throwing air separation system according to claim 2, wherein a plurality of air distribution mechanisms are arranged at the lower part of the air separation body, the air distribution mechanisms are positioned below the separation and conveying device, and each air distribution mechanism is composed of a plurality of sections of angle-adjustable air distribution plates.
4. The multiple-throwing air separation system according to claim 1, wherein a gas-material separation device is arranged above the light material discharge port, and the gas-material separation device is positioned above the light material detection device.
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| CN117208484A (en) * | 2023-10-12 | 2023-12-12 | 红塔烟草(集团)有限责任公司 | Vibrating net type conveying device |
| CN117816388A (en) * | 2024-03-05 | 2024-04-05 | 中储粮成都储藏研究院有限公司 | Grain impurity cleaning method and system |
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|---|---|
| CN113426672A (en) | 2021-09-24 |
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