CN116172228A - Potential energy impurity removing device and system for threshing and redrying - Google Patents
Potential energy impurity removing device and system for threshing and redrying Download PDFInfo
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- CN116172228A CN116172228A CN202310473454.XA CN202310473454A CN116172228A CN 116172228 A CN116172228 A CN 116172228A CN 202310473454 A CN202310473454 A CN 202310473454A CN 116172228 A CN116172228 A CN 116172228A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The invention relates to a potential energy impurity removing device and a potential energy impurity removing system for threshing and redrying, which are arranged between a first belt conveyor and a second belt conveyor which are continuously connected, and comprise the following components: the hollow shell is internally provided with a sundry collecting space, and a partition plate with a sundry outlet is arranged between the sundry collecting space and the buoyancy space for separation; the weighing sensor is used for collecting weight data of tobacco leaves; a differential pressure/temperature and humidity sensor for monitoring differential pressure/temperature and humidity data between the feed inlet and the discharge outlet; the adjusting mechanism is used for adjusting the volume of the buoyancy space; and the control module is used for controlling the regulating mechanism to work according to the weight data and the pressure difference/temperature and humidity data. The buoyancy lifting space is utilized to remove light sundries, the configuration cost is low, the popularization and promotion are convenient, the space volume of the buoyancy lifting space can be adaptively adjusted in real time, the removal rate can be effectively improved, and the false removal rate is reduced.
Description
Technical Field
The invention relates to the field of light sundries removal of tobacco, in particular to a potential energy impurity removal device and system for threshing and redrying.
Background
The tobacco raw materials may contain impurities such as plastic sheets, hemp threads, paper sheets, metals and the like, and if the impurities cannot be thoroughly removed in the tobacco leaf processing process, the intrinsic quality of the cigarette products is affected, and the cigarette production equipment is easily damaged. In addition, if impurities such as rubber, plastic and the like in tobacco leaves cannot be cleaned in the production process, the strong peculiar smell and toxic gas released during the combustion of the cigarette products seriously damage the physical and mental health of consumers.
In a threshing and redrying assembly line, a plurality of belt conveyors with conveyor belts are generally used for continuous connection, when the belt conveyors run, tobacco leaves are fed along with the conveyor belts towards the throwing end of the conveyor belts, are thrown from the throwing end of the conveyor belts to the receiving end of the next conveyor belt, and are continuously fed along with the conveyor belts, and the throwing end of each conveyor belt is positioned above the receiving end of the next conveyor belt. In order to remove impurities in tobacco leaves, an impurity removing device is generally arranged on a belt conveyor for feeding the tobacco leaves or between two belt conveyors which are continuously connected. The tobacco impurity removing device developed in the past has more limitations, for example, the air separation impurity removing device can remove light impurities such as tobacco stems in tobacco leaves, but the air separation impurity removing mode has poor control precision, low removing rate and high error removing rate; the laser impurity removing device performs product sorting according to selective absorption and reflection light and fluorescence effect generated when the laser beam irradiates the tobacco leaves; in addition, CCD sundry removing equipment is adopted, tobacco leaves are thinned firstly, a CCD high-speed camera is used for collecting thinned tobacco leaf images, the tobacco leaf images are analyzed, various sundries are identified, the coordinates of the sundries on a belt conveyor are determined, then high-speed electromagnetic valves in corresponding areas are controlled to work, high-pressure air flow is sprayed to knock down the sundries, and then qualified tobacco leaves enter the next working procedure. However, when the laser impurity removing device or the CCD impurity removing device is used for removing impurities in tobacco, high-precision image recognition equipment, high-precision algorithm and high-precision signal control equipment are required, and the configuration cost is high.
Disclosure of Invention
Aiming at the problems that high-precision image recognition equipment, algorithm and signal control equipment are needed to be adopted and the configuration cost is high when the existing sundries in tobacco are cleaned by sundry removal equipment, the invention provides a potential energy impurity removal device and system for threshing and redrying, so as to solve the technical problems, construct a buoyancy space, remove light sundries in tobacco by utilizing buoyancy generated by conveying the tobacco to the buoyancy space, and adaptively adjust the volume of the buoyancy space in the impurity removal process, so that the size of the buoyancy is changed, thereby adapting to different running conditions, improving the removal rate by a low-cost removing method and reducing the error removal rate.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a threshing and redrying is with potential energy edulcoration device, sets up between the first band conveyer that has the first conveyer belt of slope setting and the second band conveyer that has the second conveyer belt of continuous linking, the throwing end of first conveyer belt is located the receiving end top of second conveyer belt, includes:
the upper part of the hollow shell is provided with a feed port for the first conveyer belt to be inserted into to input tobacco leaves, the upper part of the hollow shell is provided with an upper shell with a downward inclined throwing space, the bottom of the hollow shell is provided with a discharge port at a position corresponding to the surface of the second conveyer belt, a floating space which is communicated with the bottom of the throwing space and has a horizontal distance is formed between the lower part of the hollow shell with the discharge port and the upper surface of the second conveyer belt receiving end in a surrounding manner, a sundry collecting space which is communicated with the side part of the floating space and has a vertical section is also arranged in the hollow shell, a partition plate with a sundry outlet is arranged between the sundry collecting space and the floating space, and the sundry outlet is higher than the bottom wall of the sundry collecting space;
the weighing sensor is arranged on the first belt conveyor and is used for continuously collecting weight data of tobacco leaves on the first belt conveyor;
the differential pressure/temperature and humidity sensor is arranged on the hollow shell, continuously monitors the differential pressure/temperature and humidity between the feed inlet and the discharge outlet of the hollow shell, and records the differential pressure or temperature and humidity obtained by monitoring as differential pressure/temperature and humidity data;
the adjusting mechanism is used for adjusting the height and/or the inclination angle of the first conveying belt of the first belt conveyor so as to change the volume of the buoyancy lifting space;
and the control module is electrically connected with the weighing sensor and the differential pressure/temperature and humidity sensor, and controls the operation of the adjusting mechanism according to the weight data and the differential pressure/temperature and humidity data to adjust the space volume of the buoyancy lifting space.
Preferably, the vertical distance between the discharge end of the first conveyor belt and the receiving end of the second conveyor belt is in the range of 0.8m to 1.1m.
Preferably, the volume range of the buoyancy space is 0.80m to 1.1m.
Preferably, the adjusting structure comprises two electric screw lifters which are installed along the vertical direction and are fixed in position, lifting nuts of the electric screw lifters are hinged with the first belt conveyor, two hinged positions of the first belt conveyor and the electric screw lifters are arranged along the length direction of the first conveying belt, and hinged axes of the two positions are parallel to the width direction of the first conveying belt.
Preferably, the bottom of cavity casing is connected with flexible section of thick bamboo, flexible section of thick bamboo encircles the discharge gate setting, and the top and the cavity casing of flexible section of thick bamboo are connected, and the bottom is taken on the upper surface of second conveyer belt receiving end.
Preferably, the top end of the sundry collecting space is lower than the top end of the buoyancy space, a plurality of ventilation holes communicated with the buoyancy space are further formed in the side face of the hollow shell, and the ventilation holes are formed above the sundry outlet.
Preferably, an electrostatic block is arranged on the inner side wall of the sundry collecting space, and the installation position of the electrostatic block is opposite to the sundry outlet.
Preferably, the bottom wall of the sundry collecting space is provided with a sundry container which is in sliding fit with the inner wall of the sundry collecting space, and the side surface of the hollow shell is provided with an avoidance hole for the sundry container to slide in and slide out.
Preferably, a notch communicated with the sundry collecting space is further formed in the side face of the hollow shell, and a fan is installed at the notch.
Preferably, the baffle side slides and is equipped with gleitbretter and lower gleitbretter, go up gleitbretter and lower gleitbretter and be located the top and the below of debris export respectively, two the gleitbretter is all followed vertical direction and is slided in order to shelter from the part of debris export, has all offered vertical slotted hole on each gleitbretter, it is equipped with the bolt to pass in the slotted hole, the screw thread end and the cavity casing screw-thread fit of bolt.
Preferably, the number of the sundry collecting spaces is three, wherein two sundry collecting spaces are distributed on two sides of the buoyancy space along the direction of the first conveyor belt, and the other sundry collecting space is located on one side of the buoyancy space away from the receiving end of the first conveyor belt.
Preferably, each sundry collecting space is separated from the buoyancy lifting space by a partition plate, the top surfaces of the lower sliding sheets on the two partition plates arranged along the direction of the first conveying belt are upwards extended to form a first epitaxial plate, the first epitaxial plate is positioned in the middle of the top surface of the lower sliding sheet, the top surface of the lower sliding sheet on the partition plate is upwards extended to form a second epitaxial plate, and the second epitaxial plate is positioned on one side of the top surface of the lower sliding sheet close to the throwing end of the second conveying belt.
The utility model provides a threshing and redrying is with potential energy edulcoration system which characterized in that, communication module, have alarm module's management terminal and foretell threshing and redrying is with potential energy edulcoration device, threshing and redrying is with the quantity of potential energy edulcoration device at least one, communication module all is electrically connected with control module, weighing sensor and differential pressure/temperature and humidity sensor among each threshing and redrying is with potential energy edulcoration device, and communicates through data transmission channel between communication module and the management terminal.
The technical scheme of the invention has the beneficial technical effects that:
the first conveying belt conveys the tobacco leaf incoming materials into the hollow shell, the temperature of the tobacco leaf incoming materials is high, the tobacco leaf incoming materials also contain moisture, and in addition, a large amount of air can be carried when the tobacco leaf incoming materials are conveyed into the buoyancy space. The air in the buoyancy space is compressed by the input tobacco leaf incoming material and air, the material temperature difference between the feed inlet and the discharge outlet of the hollow shell and the evaporation of the moisture carried by the tobacco leaf form a buoyancy force, and then the buoyancy force is generated by the interaction of the porous medium space formed by the combination of water vapor and dust. The thrown tobacco leaves are heavy in weight and can directly fall to the receiving end of the second conveyor belt, and scattered light sundries can continuously fall in the direction away from the throwing end of the first belt conveyor under the action of buoyancy until entering the sundry collecting space through the sundry outlet, so that the separation of the tobacco leaves and the light sundries is realized. The potential energy impurity removing device for threshing and redrying utilizes the supplied tobacco leaf supplies, air, water vapor, dust particles and the like to create a buoyancy space, eliminates light impurities, has low configuration cost and is convenient to popularize and popularize. And the control module can adaptively adjust the height and the dip angle of the first belt conveyor and the volume of the buoyancy lifting space in real time according to the weight data and the pressure difference/temperature and humidity data, so that the buoyancy lifting force is changed, the control module is suitable for different sundry removing working conditions, light sundries in tobacco leaves can be effectively removed, the removing rate of the light sundries is improved, and the error removing rate is reduced.
The second adjusting structure comprises two electric worm lifters, the height of the first belt conveyor can be adjusted when the two electric worm lifters synchronously stretch, and if one electric worm lifter stretches or shortens relative to the other electric worm lifter, the first belt conveyor can be conveniently driven to adjust the inclination angle.
And the bottom end of the flexible cylinder is arranged on the upper surface of the belt of the first belt conveyor, so that gaps between the bottom of the hollow shell and the second conveying belt can be reduced, the tightness of a buoyancy space formed by surrounding the hollow shell and the second conveying belt is improved, stable buoyancy is generated in the buoyancy space, and the rejection rate of light sundries is improved.
And fourthly, when the speed and the direction of the incoming tobacco material input into the buoyancy space are changed or the buoyancy force of the buoyancy space is changed, the height of the light sundries in the incoming tobacco material, which fly to be in contact with the partition plate, is changed under the action of the buoyancy force. Therefore, the upper sliding vane and the lower sliding vane can be controlled to slide along the vertical direction, the top or the bottom of the sundry outlet is shielded by the upper sliding vane and the lower sliding vane, the upper limit height and the lower limit height of the sundry outlet are adjusted, the smooth part of the sundry outlet is matched with the movement path of the light sundry, and the light sundry is ensured to smoothly enter the sundry collecting space through the sundry outlet.
And fifthly, the communication module is electrically connected with the control module, the weighing sensor and the differential pressure/temperature and humidity sensor in the threshing and redrying potential energy impurity removing device, and is also connected with the management terminal, and a worker logs in the management software from the management terminal, so that the working state of each threshing and redrying potential energy impurity removing device can be known in real time. When parameters in a control module of a certain threshing and redrying potential energy impurity removing device need to be adjusted, staff can also directly modify the parameters of the control module in each threshing and redrying potential energy impurity removing device from management software, so that the management is convenient.
Drawings
FIG. 1 shows a schematic structure diagram of a potential energy impurity removal system for threshing and redrying in an embodiment of the invention;
FIG. 2 shows a schematic view of the structure of the throwing space, the buoyancy space and the sundry collecting space in the embodiment of the invention;
FIG. 3 is a schematic diagram showing the structure of the lower slide and the first and second epitaxial plates according to the embodiment of the present invention;
fig. 4 shows a schematic view of the cooperation of the sundry collecting space and the sundry container in the embodiment of the present invention.
The reference numerals in the drawings:
1-a first belt conveyor; 1 a-a first conveyor belt; 11-a load cell; 12-an electric worm lifter; 2-a second belt conveyor; 2 a-a second conveyor belt; 3-a hollow housing; 31-casting space; 311-a feed inlet; 32-buoyancy space; 321-a discharge hole; 322-vent holes; 33-sundry collecting space; 331-sundry container; 332-avoiding holes; 333-electrostatic block; 334-fan; 34-separator; 341-sundry outlet; 342-upper slide; 343-lower slide; 3431-a first epitaxial plate; 3432-a second epitaxial plate; 35-differential pressure/temperature and humidity sensor; 36-a flexible cartridge; 4-a control module; a 5-communication module; 6-management terminal.
Detailed Description
In order to make the purposes, technical schemes and advantages of the invention more clear, the invention provides a threshing and redrying potential energy impurity removing device and a threshing and redrying potential energy impurity removing system which are further described in detail below with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the invention. For a better understanding of the invention with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or essential characteristics thereof.
In order to more clearly describe the potential energy impurity removing device and the potential energy impurity removing system for threshing and redrying, the invention defines the terms of a receiving end and a throwing end, and particularly, for a conveying belt, the receiving end refers to one end of the conveying belt for receiving tobacco leaves; "discharge end" means the end of the tobacco that is discharged as the conveyor belt travels.
Examples
The following describes in detail the technical scheme of a potential energy impurity removing device and system for threshing and redrying according to the present invention with reference to fig. 1 to 4 and the specific embodiments.
As shown in fig. 1 to 4, a potential energy impurity removing device for threshing and redrying of the present embodiment, which is provided between a first belt conveyor 1 having a first conveyor belt 1a provided obliquely and a second belt conveyor 2 having a second conveyor belt 2a which are continuously connected, and in which a discharge end of the first conveyor belt 1a is located above a receiving end of the second conveyor belt 2a, is connected to a housing of the first belt conveyor 1, comprises:
the hollow shell 3 is arranged at the top end of the first belt conveyor 1, the hollow shell 3 is connected with the shell of the first belt conveyor 1, the upper part of the hollow shell 3 is provided with a feed inlet 311 for inserting the throwing end of the first belt conveyor 1a to input tobacco leaves, and the upper part of the hollow shell 3 with the feed inlet 311 forms an upper shell with a downward inclined throwing space 31. The bottom of the hollow shell 3 is provided with a discharge hole 321 at a position corresponding to the upper surface of the second conveying belt 2a, the bottom of the hollow shell 3 is close to the upper surface of the receiving end of the second conveying belt 2a, but a gap between the bottom of the hollow shell 3 and the upper surface of the second conveying belt 2a can be used for tobacco leaves to move along with the second conveying belt 2a, and a floating space 32 which is communicated with the bottom of the throwing space 31 and has a horizontal distance is formed between the lower part of the hollow shell 3 with the discharge hole 321 and the upper surface of the receiving end of the second conveying belt 2a in a surrounding mode. In addition, a sundry collecting space 33 with a vertical section communicated with the side part of the buoyancy space 32 is further arranged in the hollow shell 3, a partition plate 34 with a sundry outlet 341 is arranged between the sundry collecting space 33 and the buoyancy space 32, the partition plate 34 is fixedly connected with the inner wall of the hollow shell 3, the sundry outlet 341 is higher than the bottom wall of the sundry collecting space 33, and when the tobacco leaf incoming materials and carried gas are input into the buoyancy space 32 of the hollow shell 3 together, upward buoyancy can be generated in the buoyancy space 32;
the weighing sensor 11 is arranged on the first belt conveyor 1 and is used for continuously acquiring weight data of tobacco leaves on the first belt conveyor 1a. The weighing sensors 11 in the embodiment are totally three, and the three weighing sensors 11 are uniformly arranged along the length of the first belt conveyor 1;
the differential pressure/temperature and humidity sensor 35 is installed outside the hollow shell 3, and two measuring points of the differential pressure/temperature and humidity sensor 35 are both located in the hollow shell 3 and are respectively installed at the positions close to the feed inlet 311 and the discharge outlet 321 of the hollow shell 3. When the differential pressure/temperature and humidity sensor 35 works, the differential pressure/temperature and humidity between the feed inlet 311 and the discharge outlet 321 of the hollow shell 3 can be continuously monitored, and the monitored differential pressure/temperature and humidity are recorded as differential pressure/temperature and humidity data;
the first belt conveyor 1 is arranged on the adjusting mechanism, and the adjusting mechanism is used for adjusting the height and/or the inclination angle of the first belt conveyor 1, changing the vertical distance between the throwing end of the first conveyor belt 1a and the receiving end of the second conveyor belt 2a, and further changing the volume of the buoyancy lifting space 32;
the control module 4 is electrically connected with the weighing sensor 11 and the differential pressure/temperature and humidity sensor 35, the weighing sensor 11 and the differential pressure/temperature and humidity sensor 35 transmit measured weight data and differential pressure/temperature and humidity data to the control module 4, and the control module 4 controls the operation of the adjusting mechanism according to the weight data and the differential pressure/temperature and humidity data to adjust the space volume of the buoyancy lifting space 32.
Tobacco leaves are dried, cooled and remoistened at about 50 ℃ and the water content is about 15%, then the tobacco leaves are conveyed into the buoyancy space 32 by the first belt conveyor 1, and a large amount of air is carried in the process of conveying the tobacco leaves into the hollow shell 3. The upward buoyancy is formed by the compression action of the tobacco leaf incoming material and air on the gas in the buoyancy space 32, the temperature difference between the feeding hole 311 and the discharging hole 321 and the evaporation of the moisture contained in the tobacco leaf material. In addition, when the tobacco leaf incoming material reaches the throwing space 31, the temperature is higher, the tobacco leaf incoming material enters the buoyancy space 32 through the guidance of the throwing space 31, the temperature is reduced when the tobacco leaf incoming material reaches a low position, a temperature gradient can be formed in the buoyancy space 32, dust in the hollow shell 3 and water vapor obtained by tobacco leaf evaporation form a layer-by-layer porous medium which is arranged along the vertical direction, and the porous medium can prevent light sundries from falling and is matched with upward buoyancy. The tobacco leaves thrown by the first conveyor belt 1a directly fall to the receiving end of the second conveyor belt 2a due to the large area-to-mass ratio, light impurities are not easy to penetrate through porous media, the light impurities also keep the movement trend after being guided by the throwing space 31, then the light impurities can scatter and spill under the action of lifting force formed by the cooperation of the floating force and the porous media, and the light impurities float in the floating space 32 with a horizontal distance towards the side wall of the floating space 32 until entering the impurity collecting space 33 through the impurity outlet 341, so that the separation of the tobacco leaves and the light impurities is realized. Tobacco leaves fall on the upper surface of the receiving end of the second conveyor belt 2a, and move along with the second conveyor belt 2a to pass through a gap between the second conveyor belt 2a and the bottom of the hollow shell 3 and are conveyed towards the throwing end of the second conveyor belt 2 a.
Specifically, when the buoyancy is generated in the buoyancy space 32 by using the input tobacco material, air and vapor evaporated from the tobacco, the larger the volume of the buoyancy space 32 is, the larger the buoyancy is generated in the buoyancy space 32, whereas the smaller the buoyancy is, the magnitude of the buoyancy can influence the track of light sundries falling, and the speed of falling the tobacco is changed, so if the weight data of the tobacco material shows that the weight of the tobacco is smaller, the volume of the buoyancy space 32 is reduced, the buoyancy is reduced, so that the tobacco falls on the second conveyor belt 2a quickly, and the tobacco is prevented from falling into the sundry collecting space 33. If the weight of the tobacco leaves is large, the volume of the buoyancy space 32 can be increased, the buoyancy force can be increased, the falling speed of the tobacco leaves can be slowed down, and the tobacco leaves and the light sundries can be fully separated. In the adjustment process, the judgment of the floating force is realized by the differential pressure/temperature and humidity sensor 35, and the differential pressure sensor and the temperature and humidity sensor can be selected. When the pressure difference between the feed port 311 and the discharge port 321 of the hollow shell 3 is large, the buoyancy lift in the buoyancy lift space 32 is large; if the temperature and humidity difference between the inlet 311 and the outlet 321 of the hollow housing 3 is large, it can be said that the buoyancy in the buoyancy space 32 is large. The potential energy impurity removing device for threshing and redrying utilizes the conveyed tobacco leaves to form a buoyancy space, air, water vapor, dust particles and the like, and utilizes the control module 4 to adaptively adjust the volume of the buoyancy space 32 in the impurity removing process, so that the size of buoyancy is changed, different impurity removing working conditions can be adapted, the light impurity removing rate is effectively improved, the false removing rate is reduced, the image identifying equipment and the image identifying program are not required to be configured, the using cost is lower, and the popularization are facilitated.
In this embodiment, the hollow housing 3 has three sundries collecting spaces 33 inside, wherein two sundries collecting spaces 33 are arranged along the width direction of the first conveyor belt 1a and distributed on two sides of the buoyancy space 32, and the other sundries collecting space 33 is located on one side of the buoyancy space 32 far away from the receiving end of the first conveyor belt 1a, so that light sundries flying to two sides of the buoyancy space 32 can be collected, a partition 34 is arranged between the buoyancy space 32 and each sundries collecting space 33, and the partition 34 is fixedly connected with the inner wall of the hollow housing 3. In order to reduce the cost, the foreign matter collecting space 33 may be provided only on the side of the buoyancy space 32 away from the receiving end of the first conveyor belt 1a, but the efficiency of removing light foreign matters may be reduced. In addition, if the efficiency of removing the light impurities needs to be further improved, the side of the buoyancy space 32 facing the receiving end of the first conveyor belt 1a may be provided with an impurity collecting space 33, that is, the periphery of the buoyancy space 32 is provided with the impurity collecting spaces 33, so that the scattered light impurities can be sufficiently collected.
In the actual production process of each process, for different processes and light sundries to be cleaned, the height, the inclination angle and the running speed of the upper first belt conveyor 1 should be adjusted to change the volume of the buoyancy space 32 so as to form an optimal buoyancy space in the process. In addition, the different procedures can need to control the tobacco to turn or not turn in the falling process, and the control of the turning of the tobacco can be realized by changing the flatness of the first conveyor belt 1a or by changing the throwing inclination angle and the throwing speed of the tobacco feeding.
In the present embodiment, the vertical distance between the discharge end of the first conveyor belt 1a and the receiving end of the second conveyor belt 2a is in the range of 0.8m to 1.1m; the volume of the buoyancy space 32 ranges from 0.80m to 1.1m. In practical application, in different working procedures, proper vertical distance is selected by considering the factors of quality, temperature, humidity, throwing inclination angle, throwing speed, light sundries cleaning requirement and the like of the tobacco leaf incoming materials, and proper volume of the buoyancy lifting space 32 is determined; in addition, the tobacco leaves in different procedures have different shapes and temperatures, different weight-area ratios and different types of entrained light impurities, and based on the changes, the vertical distance and the volume of the buoyancy space 32 are required to be moderately adjusted to form an optimal buoyancy space, so that the separation efficiency of the light impurities is ensured.
Further, the side of the partition 34 slides along the vertical direction to be provided with an upper sliding vane 342 and a lower sliding vane 343, the upper sliding vane 342 and the lower sliding vane 343 are mounted on one side of the partition 34 facing the buoyancy space 32, the upper sliding vane 342 and the lower sliding vane 343 are respectively located above and below the sundries outlet 341, the upper sliding vane 342 and the lower sliding vane 343 are provided with oblong holes, the length direction of the oblong holes is parallel to the vertical direction, bolts penetrate through the oblong holes, and the threaded ends of the bolts penetrate through the oblong holes and are in threaded fit with the partition 34. When the bolt is screwed, the positions of the upper sliding vane 342 and the lower sliding vane 343 can be locked; after the bolt is unscrewed, the worker can hold and drive the upper slide 342 and the lower slide 343 to slide along the vertical direction towards the sundries outlet 341, and the upper slide 342 and the lower slide 343 are utilized to shield a part of the top and the bottom of the sundries outlet 341 respectively. When the speed of the incoming tobacco material input into the buoyancy space 32 and the weight of the incoming tobacco material input in unit time are different, or the buoyancy in the buoyancy space 32 is changed, the flying track of the light sundries in the incoming tobacco material under the action of the buoyancy is changed, and the height positions of the light sundries flying to the partition 34 are different. Therefore, in different production processes, after the optimal floating force condition is established, the positions of the upper sliding vane 342 and the lower sliding vane 343 should be adjusted, and the upper limit height and the lower limit height of the unblocked portion of the sundry outlet 341 are adjusted, so that the unblocked portion of the sundry outlet 341 is adapted to the movement path of the light sundry, and the light sundry is ensured to smoothly enter the sundry collecting space 33 through the sundry outlet 341 when flying to the partition 34.
In addition, when the sundry collecting space 33 is disposed around the buoyancy space 32, the structures of the lower sliding pieces 343 at the sundry outlets 341 are different, as shown in fig. 3, the direction of the arrow in the drawing is the running direction of the second conveyor belt 2a when conveying tobacco leaves, the middle parts of the top surfaces of the two lower sliding pieces 343 arranged along the width direction of the first conveyor belt 1a are extended upwards to form the first epitaxial plate 3431, and the shape of the first epitaxial plate 3431 is isosceles trapezoid, so that the top shapes of the two lower sliding pieces 343 are shown as high in the center and low on both sides. When the lower sliding vane 343 shields the sundries outlet 341, the lower limit height of the unblocked part of the sundries outlet 341 near the diagonal position of the hollow shell 3 is lower, and when the air flow in the hollow shell 3 flows, the air flow whirls, which is beneficial to the separation of light sundries, and the separated light sundries can gather towards the diagonal position of the hollow shell 3, so that the lower limit height of the unblocked part of the sundries outlet 341 is reduced, and the light sundries can be conveniently discharged from the sundries outlet 341. The top surfaces of the two lower sliding pieces 343 arranged along the width direction of the second conveying belt 2a are extended upwards to form a second epitaxial plate 3432, the second epitaxial plate 3432 is positioned on one side of the lower sliding pieces 343 close to the ejection end of the second conveying belt 2a, so that the tops of the two lower sliding pieces 343 are in a step shape, that is, one side of the tops of the two lower sliding pieces 343 close to the ejection end of the second conveying belt 2a is higher than the other side, because tobacco leaves fall on the second conveying belt 2a and are possibly blocked by the hollow shell 3 in the process of moving towards the ejection end of the second conveying belt 2a, stacked tobacco leaves can possibly pass through the sundry outlet 341 to enter the sundry collecting space 33, and the two lower sliding pieces 343 arranged along the width direction of the second conveying belt 2a can be blocked by the second epitaxial plate 3432 from passing through the sundry outlet 341 to enter the sundry collecting space 33. In addition, the height of the upper and lower sliding pieces 342 and 343 on the respective partition plates 34 may be inconsistent when they are position-locked, depending on the falling track of the light sundries and the stacking condition of the tobacco leaves occurring during the transportation.
Because the temperature, humidity, feeding speed, content of light sundries and other influencing factors of the tobacco leaves are greatly different in different working procedures, when the threshing and redrying potential energy impurity removing device is installed at different working procedure positions, the vertical distance between the throwing end of the first conveying belt 1a and the receiving end of the second conveying belt 2a and the volume of the buoyancy lifting space 32 need to be correspondingly adjusted, so that the light sundries can be sufficiently removed and fall into the sundry collecting space 33. For example, when the buoyancy is detected to be smaller and needs to be increased, the volume of the buoyancy space 32 can be appropriately increased, the vertical distance between the throwing end of the first conveying belt 1a and the receiving end of the second conveying belt 2a can be increased, for example, the vertical distance is increased from 0.85m to 0.90m, the volume of the corresponding buoyancy space 32 is also increased to 0.90m, after the buoyancy is increased, the height when light sundries fly to the inner wall of the hollow shell 3 becomes high, and therefore, the height positions of the upper sliding vane 342 and the lower sliding vane 343 also need to be adjusted upwards. When the buoyancy is detected to be larger and needs to be reduced, the volume of the buoyancy space 32 can be reduced appropriately, if the vertical distance is reduced from 1.05m to 1.0m, the volume of the buoyancy space 32 is also changed to 1.0m, and then the height positions of the upper sliding vane 342 and the lower sliding vane 343 are adjusted according to the track of the light sundries to be removed in the process.
It should be noted that, in different processes, the control module 4 does not completely adjust the height and the inclination angle of the first belt conveyor 1 according to the buoyancy magnitude, the tobacco leaf incoming material quality and the light sundries processing requirement, so that during normal operation of each process, actual tests should be performed, the regular parameters of the buoyancy magnitude, the tobacco leaf incoming material quality and the light sundries processing requirement on the height and the inclination angle of the first belt conveyor 1 are determined, and the regular parameters are preset in the control module 4, so that the control module 4 can effectively adjust the height and the inclination angle of the first belt conveyor 1, and finally in the operation process, the control module 4 intelligently and adaptively adjusts the height, the inclination angle and the operation speed of the first belt conveyor 1 according to the buoyancy magnitude, the tobacco leaf incoming material quality and the light sundries processing requirement, so as to change the throwing angle and the throwing speed of the tobacco leaf incoming material and the volume magnitude of the lifting space 32, thereby effectively improving the rejection rate and reducing the false rejection rate.
Further, the adjusting structure comprises two electric worm lifters 12 which are arranged below the first belt conveyor 1 and are arranged vertically, the two electric worm lifters 12 are hinged with the shell of the first belt conveyor 1, and two hinge points between the first belt conveyor 1 and the two electric worm lifters 12 are arranged along the length direction of the first conveying belt 1a. The installation positions of the electric worm lifters 12 are fixed, the bottoms of the electric worm lifters 12 can be fixed with the ground of a factory building, the hinge axes between the first belt conveyor 1 and the two electric worm lifters 12 are parallel to the width direction of the first belt conveyor 1, and the first belt conveyor 1 can be controlled to lift in the vertical direction when the two electric worm lifters 12 synchronously stretch; if one of the motorized worm elevators 12 is extended or shortened relative to the other motorized worm elevator 12, the first belt conveyor 1 can be driven to adjust the tilt angle.
In addition, in some processes, only the inclination angle of the first belt conveyor 1 needs to be adjusted, one end of the first belt conveyor 1 can be directly hinged, a cylinder or an electric worm lifter 12 for driving the first belt conveyor to rotate is arranged, and the cylinder or the electric worm lifter 12 stretches to push the first belt conveyor 1 to rotate; if only the height needs to be adjusted, the first belt conveyor 1 can be installed on a lifting device, and the lifting device is utilized to drive the first belt conveyor 1 to lift along the vertical direction.
Further, the bottom of the hollow shell 3 is connected with an annular flexible cylinder 36, the flexible cylinder 36 surrounds the discharge hole 321, the top end of the flexible cylinder 36 is seamlessly connected with the hollow shell 3, and the bottom end of the flexible cylinder is lapped on the upper surface of the receiving end of the second conveyor belt 2a, so that a gap between the bottom of the hollow shell 3 and a belt of the second belt conveyor 2 can be reduced, the tightness of the buoyancy space 32 can be improved when the flexible cylinder is lapped on the upper surface of the receiving end of the second conveyor belt 2a, and stable and sufficient buoyancy force can be generated in the buoyancy space 32; but also can deform, facilitating the tobacco leaves on the second conveyor belt 2a to pass through. The flexible tube 36 is made of a material with better flexibility, such as a cloth tube or a plastic film, so that the bottom end of the flexible tube 36 is not easy to tilt.
Further, the top end of the sundry collecting space 33 is lower than the top end of the buoyancy space 32, a plurality of ventilation holes 322 communicated with the buoyancy space 32 are further formed in the side surface of the hollow shell 3, and the ventilation holes 322 are formed above the sundry outlet 341 and are uniformly arranged along the horizontal direction. When the device is operated, a part of the air input into the buoyancy space 32 flows out from the vent holes 322, so that air flow flowing to the vent holes 322 can be generated, the direction of buoyancy is influenced, the direction of buoyancy is changed to be inclined upwards towards the direction close to the vent holes 322, and light sundries in the tobacco leaves are helped to fly towards the sundries outlet 341 and fall into the sundries collecting space 33 through the sundries outlet 341.
Further, the electrostatic block 333 is mounted on the inner side wall of the debris collecting space 33 far away from the buoyancy space 32, the mounting position of the electrostatic block 333 is opposite to the debris outlet 341, and when the electrostatic block 333 works, the debris charged in the buoyancy space 32 can be attracted to enter the debris collecting space 33, so that the removal efficiency of the debris charged with static electricity is improved.
Further, the sundries collecting space 33 has a certain length along the vertical direction, the bottom wall of the sundries collecting space 33 is lower than the sundries outlet 341, and light sundries fall into the sundries collecting space 33 and continue to fall, so that the light sundries are not easy to fly upwards and return to the sundries outlet 341. The long-strip-shaped sundries container 331 is placed on the bottom wall of the sundries collecting space 33 along the horizontal direction, the outer dimension of the sundries container 331 is matched with the bottom dimension of the inner wall of the sundries collecting space 33, the sundries container 331 is in sliding fit with the bottom wall of the sundries collecting space 33 along the length direction, the side surface of the hollow shell 3 is provided with an avoidance hole 332 for the sundries container 331 to slide in and slide out, the dimension of the avoidance hole 332 is matched with the end face of the sundries container 331, and after the sundries container 331 slides into the sundries collecting space 33, the end part of the sundries container 331 exposed outside can be utilized to seal the avoidance hole 332. When the light sundries float into the sundries collecting space 33, the light sundries finally fall into the sundries container 331, and the worker regularly withdraws the sundries container 331 from the avoiding holes 332, so that the light sundries collected by the sundries container 331 can be cleaned in a concentrated manner. In addition, the end of the sundry container 331 exposed outside is fixedly connected with a handle which is convenient for a worker to pull, so as to take out the sundry container 331.
Further, a gap communicated with the sundry collecting space 33 is further formed in the side face of the hollow shell 3, a fan 334 is mounted at the gap, suction force is generated through the fan 334, air flow flowing towards the sundry collecting space 33 can be generated in the buoyancy space 32, scattered light sundries in the hollow shell 3 can float into the sundry collecting space 33, and sundry removing efficiency is improved.
The utility model provides a threshing and redrying is with potential energy edulcoration system, includes communication module 5, has alarm module's management terminal 6 and foretell threshing and redrying is with potential energy edulcoration device, and communication module 5 is all electrically connected with control module 4, weighing sensor 11 and differential pressure/temperature and humidity sensor 35, and communicates through data transmission channel between communication module 5 and the management terminal 6, and data transmission channel can select to adopt wired transmission medium and wireless transmission medium. The communication module 5 can transmit the measured weight data, the pressure difference/temperature and humidity data and the adjustment record of the control module 4 to the management terminal 6 according to a certain time period, the management terminal 6 is internally provided with corresponding management software, the pressure difference/temperature and humidity data can be calculated and exported by the management software to be buoyancy force data, then the management software draws the buoyancy force data and the weight data to be a change curve, the adjustment record of the control module 4 can be displayed on an interface of the management software in real time, and if the occurrence of problems of the buoyancy force data or the weight data is monitored, an alarm module reminds a worker to check and maintain the system. In practical application, a plurality of threshing and redrying potential energy impurity removing devices in a factory can be connected into the management terminal 6 through the communication module 5, and staff logs in management software from the management terminal 6, so that the working state of each threshing and redrying potential energy impurity removing device can be known in real time, and each threshing and redrying potential energy impurity removing device is adjusted respectively. When parameters in the control module 4 of a certain threshing and redrying potential energy impurity removing device need to be adjusted, workers can also directly modify the parameters of the control module 4 in each threshing and redrying potential energy impurity removing device from management software, the management is convenient, the parameters of each control module 4 can also be directly adjusted by a built-in program of the management software, intelligent production is realized, and the workload of the workers is reduced. It should be noted that, the management terminal 6 may be a PC or other device that is connected to the communication module 5 by a wire, or may be a wireless connection between the management terminal 6 and the communication module 5, so that the selection of the management terminal 6 may be more diversified.
It should be noted that, the first conveyor belt 1a and the second conveyor belt 2a in this embodiment are named only for convenience of description of the potential energy impurity removing device for threshing and redrying, and one first conveyor belt 1a and one second conveyor belt 2a are grouped together, the first conveyor belt 1a in the current group may also be used as the second conveyor belt 2a in the other group, and similarly, the second conveyor belt 2a in the current group may also be used as the first conveyor belt 1a in the other group.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (13)
1. The utility model provides a threshing and redrying is with potential energy edulcoration device, sets up between the first band conveyer that has the first conveyer belt of slope setting and the second band conveyer that has the second conveyer belt of continuous linking, the throwing end of first conveyer belt is located the receiving end top of second conveyer belt, its characterized in that includes:
the upper part of the hollow shell is provided with a feed port for the first conveyer belt to be inserted into to input tobacco leaves, the upper part of the hollow shell is provided with an upper shell with a downward inclined throwing space, the bottom of the hollow shell is provided with a discharge port at a position corresponding to the surface of the second conveyer belt, a floating space which is communicated with the bottom of the throwing space and has a horizontal distance is formed between the lower part of the hollow shell with the discharge port and the upper surface of the second conveyer belt receiving end in a surrounding manner, a sundry collecting space which is communicated with the side part of the floating space and has a vertical section is also arranged in the hollow shell, a partition plate with a sundry outlet is arranged between the sundry collecting space and the floating space, and the sundry outlet is higher than the bottom wall of the sundry collecting space;
the weighing sensor is arranged on the first belt conveyor and is used for continuously collecting weight data of tobacco leaves on the first belt conveyor;
the differential pressure/temperature and humidity sensor is arranged on the hollow shell, continuously monitors the differential pressure/temperature and humidity between the feed inlet and the discharge outlet of the hollow shell, and records the differential pressure or temperature and humidity obtained by monitoring as differential pressure/temperature and humidity data;
the adjusting mechanism is used for adjusting the height and/or the inclination angle of the first conveying belt of the first belt conveyor so as to change the volume of the buoyancy lifting space;
and the control module is electrically connected with the weighing sensor and the differential pressure/temperature and humidity sensor, and controls the operation of the adjusting mechanism according to the weight data and the differential pressure/temperature and humidity data to adjust the space volume of the buoyancy lifting space.
2. The potential energy impurity removing device for threshing and redrying of claim 1, wherein a vertical distance between a throwing end of said first conveyor belt and a receiving end of said second conveyor belt is in a range of 0.8m to 1.1m.
3. The potential energy impurity removing device for threshing and redrying of claim 2, wherein the volume of said buoyancy space is in the range of 0.80m to 1.1m.
4. The potential energy impurity removing device for threshing and redrying according to claim 1, wherein said adjusting structure comprises two electric screw lifters installed in a vertical direction and fixed in position, lifting nuts of said electric screw lifters are hinged to a first belt conveyer, two hinged positions of said first belt conveyer and said electric screw lifters are arranged along a length direction of a first conveyor belt, and hinge axes of both positions are parallel to a width direction of the first conveyor belt.
5. The potential energy impurity removing device for threshing and redrying according to claim 1, wherein the bottom of the hollow shell is connected with a flexible tube, the flexible tube is arranged around the discharge hole, the top end of the flexible tube is connected with the hollow shell, and the bottom end of the flexible tube is lapped on the upper surface of the receiving end of the second conveying belt.
6. The potential energy impurity removing device for threshing and redrying according to claim 1, wherein the top end of the sundry collecting space is lower than the top end of the buoyancy space, a plurality of ventilation holes communicated with the buoyancy space are further formed in the side face of the hollow shell, and the ventilation holes are formed above the sundry outlet.
7. The potential energy impurity removing device for threshing and redrying according to claim 1, wherein an electrostatic block is arranged on the inner side wall of the sundry collecting space, and the installation position of the electrostatic block is opposite to the sundry outlet.
8. The potential energy impurity removing device for threshing and redrying according to claim 1, wherein the impurity container is placed on the bottom wall of the impurity collecting space, the impurity container is in sliding fit with the inner wall of the impurity collecting space, and the side surface of the hollow shell is provided with an avoiding hole for the impurity container to slide in and out.
9. The potential energy impurity removing device for threshing and redrying of claim 1, wherein a gap communicated with the impurity collecting space is further formed in the side face of the hollow shell, and a fan is installed at the gap.
10. The potential energy impurity removing device for threshing and redrying according to claim 1, wherein an upper sliding vane and a lower sliding vane are slidably arranged on the side face of the partition board, the upper sliding vane and the lower sliding vane are respectively located above and below the sundry outlet, the two sliding vanes are both slidably arranged in the vertical direction to shield a part of the sundry outlet, vertical slotted holes are formed in the sliding vanes, bolts penetrate through the slotted holes, and threaded ends of the bolts are in threaded fit with the hollow shell.
11. The potential energy impurity removing apparatus for threshing and redrying of claim 10, wherein the number of said impurity collecting spaces is three, wherein two impurity collecting spaces are distributed on both sides of the buoyancy space in the direction of the first conveyor belt width, and the other impurity collecting space is located on a side of the buoyancy space away from the receiving end of the first conveyor belt.
12. The potential energy impurity removing device for threshing and redrying according to claim 11, wherein each of said impurity collecting spaces is separated from said buoyancy space by a partition plate, the top surfaces of the lower slide plates on two partition plates arranged along the direction of the first conveyor belt are formed with a first epitaxial plate in an upward extending manner, said first epitaxial plate is located in the middle of the top surface of the lower slide plate, the top surface of the lower slide plate on the other partition plate is formed with a second epitaxial plate in an upward extending manner, said second epitaxial plate is located on the side of the top surface of the lower slide plate near the ejection end of the second conveyor belt.
13. The potential energy impurity removing system for threshing and redrying is characterized by comprising a communication module, a management terminal with an alarm module and the potential energy impurity removing device for threshing and redrying according to any one of claims 1 to 12, wherein the number of the potential energy impurity removing devices for threshing and redrying is at least one, the communication module is electrically connected with a control module, a weighing sensor and a differential pressure/temperature and humidity sensor in each potential energy impurity removing device for threshing and redrying, and the communication module and the management terminal are communicated through a data transmission channel.
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