CN110694886B - Impurity removal system for raw material sugarcane pretreatment - Google Patents
Impurity removal system for raw material sugarcane pretreatment Download PDFInfo
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- CN110694886B CN110694886B CN201911024507.XA CN201911024507A CN110694886B CN 110694886 B CN110694886 B CN 110694886B CN 201911024507 A CN201911024507 A CN 201911024507A CN 110694886 B CN110694886 B CN 110694886B
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- 239000012535 impurity Substances 0.000 title claims abstract description 95
- 240000000111 Saccharum officinarum Species 0.000 title claims abstract description 57
- 235000007201 Saccharum officinarum Nutrition 0.000 title claims abstract description 57
- 239000002994 raw material Substances 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010003591 Ataxia Diseases 0.000 description 1
- 206010010947 Coordination abnormal Diseases 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 208000028756 lack of coordination Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
- B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/12—Sieving bulk materials during loading or unloading
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The invention provides a system for removing impurities for preprocessing raw material sugarcane, which uses a chain plate conveyor for unloading, a multistage throwing conveyor, a toothed roller type impurity removing conveyor, an impurity collecting hopper, a trough type belt conveyor, a large-inclination corrugated belt conveyor and an impurity loading platform to construct the system for removing impurities for preprocessing raw material sugarcane.
Description
Technical Field
The invention relates to a impurity removal system, in particular to an impurity removal system for preprocessing raw material sugarcane, and belongs to the technical field of impurity removal conveying equipment.
Background
The raw material sugarcane for extracting sugar in sugar factories inevitably carries a large amount of inclusions such as sugarcane leaves, soil, sand stones and the like when harvesting, the impurity content of the sugarcane is high no matter the sugarcane is harvested manually or mechanically, and especially the impurity content of the sugarcane is up to 15% -20% due to the fact that the mechanical harvesting cannot achieve high stripping rate, and the impurity content of the sugarcane is up to about 7% when the sugarcane is harvested manually. In the production process of sucrose, the excessive impurity content of the sugarcane can lead to the loss of sugar on one hand, and the sugar yield quality are affected, thereby affecting the benefit of sugar manufacturing enterprises; on the other hand, the sundries of the sugarcane enter the production flow, so that the energy consumption and the abrasion of various equipment on a process line are increased, and the maintenance cost of the equipment is increased; the third aspect is that the sugar cane impurities increase the consumption of process additives, thereby increasing the production cost. The raw cane is therefore subjected to a de-noising treatment during the pre-treatment phase before it enters the press.
At present, the existing raw material sugarcane impurity removal system is complicated in variety due to lack of unified standards, but most of the existing raw material sugarcane impurity removal system has the defects of unreasonable equipment selection, unreasonable equipment structure, unreasonable system flow design and the like, equipment is difficult to install and maintain during use, the overall impurity removal effect is poor, the material conveying speed in the impurity removal process can not be effectively controlled, and the subsequent uniform feeding is not realized.
Disclosure of Invention
In order to solve the problems of the traditional raw material sugarcane impurity removal system, the invention provides the impurity removal system for the raw material sugarcane pretreatment, which is more reasonable in design, simple in equipment installation and maintenance, good in overall impurity removal effect, capable of controlling the material conveying speed in the impurity removal process and beneficial to realizing uniform feeding to the rear stage.
The technical scheme adopted by the invention is as follows:
A edulcoration system for raw materials sugarcane preliminary treatment, it includes that drag chain conveyer, multistage conveyor that breaks up, tooth roller edulcoration conveyer, debris collection fill, groove type band conveyer, big inclination ripple belt conveyor, debris loading platform are thrown to the conveyer, wherein: the low-side feeding end of the unloading chain plate conveyor is arranged at the raw material sugarcane unloading platform; the multistage throwing conveyor is arranged at a position below the front of the high-side discharge end of the unloading chain plate conveyor and is composed of a plurality of throwing rollers which are parallel to each other and are closely arranged together; the tooth roller type impurity removing conveyor is arranged right below the multistage throwing conveyor and consists of a plurality of conveying tooth rollers which are mutually parallel and closely arranged together, and the length of a conveying plane of the tooth roller type impurity removing conveyor is longer than that of the multistage throwing conveyor; the sundry collecting hopper is arranged below the toothed roller type impurity removing conveyor, the sundry collecting hopper is funnel-shaped, and an upper opening of the sundry collecting hopper faces the lower side of the toothed roller type impurity removing conveyor; the groove-type belt conveyor is arranged below the sundry collecting hopper, the lower opening of the sundry collecting hopper faces the feeding end of the groove-type belt conveyor, the discharging end of the groove-type belt conveyor is connected to the low-side feeding end of the large-inclination-angle corrugated belt conveyor, and the high-side discharging end of the large-inclination-angle corrugated belt conveyor extends to the upper part of the sundry loading platform; the debris loading platform is equipped with braced frame, braced frame's upper end has set up emergent collection fill, and emergent collection fill's upside opening is faced the material whereabouts direction of high side discharge end of big inclination ripple belt conveyor, and emergent collection fill's downside opening is equipped with flat gate valve and controls the switching.
The chain plate conveyor for unloading the vehicle adopts a variable frequency motor to control the conveying speed of the chain plate conveyor.
The multistage throwing conveyor is provided with a frame, 6 throwing rollers are erected on the frame, each throwing roller is rotatably supported on the frame through bearing seats at two ends of the frame, and all the throwing rollers are parallel to each other and are closely arranged together, so that a roller conveying surface is formed; the cylinder body of the throwing cylinder is provided with a plurality of vertical blades which are distributed over the whole length of the cylinder body and extend out along the radial direction of the cylinder body, each blade is uniformly distributed along the outer circle of the cylinder body, the outer edges of the blades are provided with concave-convex teeth which are continuously arranged, and the shape and the relative position of the concave-convex teeth of each blade are consistent; the concave-convex teeth of the adjacent side blades of the two adjacent throwing rollers are arranged in a staggered embedded mode, continuous and uniform gaps are formed at the two sides of tooth surfaces and tooth tops of the embedded concave-convex teeth, and the blades of the two adjacent throwing rollers do not interfere with each other during rotation; the 6 throwing rollers are divided into 3-stage throwing conveying units along the conveying direction, each stage of throwing conveying unit is provided with 2 throwing rollers and is provided with 1 group of independent power, the power adopts a variable-frequency speed-regulating gear motor, and the rotating speeds of the throwing rollers of the 3-stage throwing conveying units are respectively and independently controlled by the 3 gear motors; the rotation directions of all the throwing rollers of the 3-stage throwing conveying unit are the same, so that the material conveying directions are consistent.
Further, in the 2 throwing rollers of each stage of throwing conveying unit, one throwing roller is used as a driving throwing roller, the other throwing roller is used as a driven throwing roller, a speed reducing motor is connected with one end of the driving throwing roller through a coupler and drives the driving throwing roller to rotate, and the other end of the driving throwing roller is connected with one end of the driven throwing roller through a chain transmission assembly, so that the driven throwing roller and the driving throwing roller synchronously rotate in the same direction.
The tooth roller type impurity removal conveying rack is provided with 24 conveying tooth rollers, the center of each conveying tooth roller is provided with a transverse roller shaft, the middle of each roller shaft is a main shaft body, and the left end and the right end of each roller shaft are respectively provided with a left connecting shaft head and a right connecting shaft head; the tooth roller is arranged on the outer side of the roller shaft main shaft body, the center of the tooth roller is a horizontal hollow roller, a plurality of rings of roller tooth convex rings which are arranged at intervals along the axial direction of the roller are arranged on the circumferential surface of the outer side of the roller, each ring of roller tooth convex rings consists of a plurality of roller teeth which are distributed along the radial direction of the circumferential surface of the outer side of the roller, the roller and the roller teeth on the roller are integrally made of an integral material, and the tooth roller is movably sleeved on the outer side of the roller shaft main shaft body through the roller; the outer side of the main shaft body of the roll shaft is movably sleeved with a spacer bush at the left side and the right side of the toothed roll respectively, the left connecting shaft head and the right connecting shaft head of the roll shaft are sleeved with a pressing ring respectively, the rear ends of the pressing rings are sequentially provided with a stop washer and a lock nut, the pressing rings at the left end and the right end carry out jacking and retention on the toothed roll through the spacer bush, and meanwhile, the locking nut and the stop washer lock the pressing rings, so that the left lateral movement position and the right lateral movement position of the toothed roll at the outer side of the main shaft body of the roll shaft are locked; the outer side of the roll shaft main shaft body is also connected with the roller of the tooth roller through a strip flat key which is transversely arranged, so that the rotation position of the tooth roller at the outer side of the roll shaft main shaft body is locked.
All 24 conveying toothed rollers are mutually parallel and closely arranged together, so that a toothed roller conveying surface is formed; the adjacent two conveying toothed rollers are arranged in a jogged mode that the roller tooth convex rings at the adjacent sides are staggered, continuous and uniform roller tooth gaps are arranged at the two sides of the roller tooth surfaces and the tooth tops of the jogged roller tooth convex rings, and the roller teeth of the adjacent two conveying toothed rollers are not interfered with each other during rotation; the 24 conveying toothed rollers are divided into 8 stages of impurity removal conveying units along the conveying direction, each stage of impurity removal conveying unit is provided with 3 conveying toothed rollers and is provided with 1 group of independent toothed roller driving motors with variable frequency and speed regulation, and the toothed roller driving motors are matched with corresponding connecting components to drive the 3 conveying toothed rollers of the stage of impurity removal conveying unit to synchronously and co-rotate; the rotating speed of the conveying toothed rollers of the 8-stage impurity removal conveying unit is independently controlled by 8 toothed roller driving motors which are respectively arranged for the conveying toothed rollers; the rotation directions of all conveying toothed rollers of the 8-stage impurity removal conveying unit are the same, so that the material conveying direction is consistent.
Further, the main shaft body of the roll shaft is a long cylinder which is hollow transversely, the driven shaft head and the driving shaft head extend into the long cylinder from the left end and the right end respectively for a certain distance and are fixedly welded into a whole with the long cylinder, and the parts of the driven shaft head and the driving shaft head exposed out of the long cylinder are respectively used as a left connecting shaft head and a right connecting shaft head of the roll shaft.
The two sundry collecting hoppers are arranged below the toothed roller type impurity removing conveyor in parallel, and a groove type belt conveyor is respectively arranged below each sundry collecting hopper.
The raw material sugarcane comprises whole-rod raw material sugarcane and segmented raw material sugarcane.
The invention uses the unloading chain plate conveyor, the multi-stage throwing conveyor, the toothed roller type impurity removing conveyor, the impurity collecting hopper, the trough type belt conveyor, the large-inclination corrugated belt conveyor and the impurity loading platform to construct an impurity removing system for preprocessing raw material sugarcane, the system flow is reasonable in design, the equipment is properly selected, and the structures of key equipment of the multi-stage throwing conveyor and the toothed roller type impurity removing conveyor are optimized, so that compared with the existing raw material sugarcane impurity removing system, the equipment installation and maintenance of the impurity removing system are simpler, the overall impurity removing effect is better, the material conveying speed in the impurity removing process can be controlled, and the rear-stage uniform feeding is facilitated.
Drawings
FIG. 1 is a schematic flow chart of the overall structure of the impurity removal system of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a top view of a multi-stage diverging conveyor.
Fig. 4 is a right side view of the multi-stage dispersing conveyor.
Fig. 5 is an enlarged side view of the barrel portion of the dispersion roller.
Fig. 6 is a front cross-sectional view of the conveying toothed roller.
Fig. 7 is a cross-sectional view taken along A-A in fig. 6.
Fig. 8 is a sectional view taken along the direction B-B in fig. 6.
Fig. 9 is a cross-sectional view taken along the direction C-C in fig. 6.
Fig. 10 is a front sectional view of the roller shaft.
Fig. 11 is a front sectional view of the conveying tooth roller arrangement of the impurity removal conveying unit.
Fig. 12 is a sectional view taken along the direction D-D in fig. 11.
In the figure: the device comprises a 1-unloading chain plate conveyor, a 2-multistage throwing conveyor, a 2 a-frame, a 2 b-throwing roller, a 2 c-bearing seat, a 2 d-gap, a 2 e-gear motor, a 2 f-coupling, a 2 g-chain transmission assembly, a 3-tooth roller type impurity removal conveyor, a3 a-conveying tooth roller, a3 b-roller shaft, a 3b 1-long cylinder, a 3b 2-driven shaft head, a 3b 3-driving shaft head, a3 c-tooth roller, a3 d-spacer bush, a3 e-pressing ring, a3 f-stop washer, a3 g-locking nut, a3 h-strip flat key, a3 i-roller gap, a 4-impurity collection bucket, a 5-groove type belt conveyor, a 6-large-inclination corrugated belt conveyor, a 7-impurity loading platform, a 7 a-supporting frame, a 7 b-emergency collection bucket and a 7 c-flat gate valve.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, the impurity removal system comprises a chain plate conveyor 1, a multistage throwing conveyor 2, a toothed roller type impurity removal conveyor 3, an impurity collection bucket 4, a trough type belt conveyor 5, a large-inclination corrugated belt conveyor 6 and an impurity loading platform 7, wherein: the lower side feeding end of the unloading chain plate conveyor 1 is arranged at a raw material sugarcane unloading platform; the multistage throwing conveyor 2 is arranged at a position below the front of the high-side discharge end of the unloading chain plate conveyor 1, and the multistage throwing conveyor 2 is composed of a plurality of throwing rollers 2b which are mutually parallel and closely arranged together; the tooth roller type impurity removal conveyor 3 is arranged right below the multistage throwing conveyor 2, the tooth roller type impurity removal conveyor 3 is composed of a plurality of conveying tooth rollers 3a which are mutually parallel and closely arranged together, and the length of a conveying plane of the tooth roller type impurity removal conveyor 3 is longer than that of the multistage throwing conveyor 2; the sundry collecting hopper 4 is arranged below the toothed roller type impurity removing conveyor 3, the sundry collecting hopper 4 is funnel-shaped, and an upper opening of the sundry collecting hopper 4 faces the lower side of the toothed roller type impurity removing conveyor 3; the groove-type belt conveyor 5 is arranged below the sundry collecting hopper 4, the lower opening of the sundry collecting hopper 4 faces the feeding end of the groove-type belt conveyor 5, the discharging end of the groove-type belt conveyor 5 is connected to the low-side feeding end of the large-inclination corrugated belt conveyor 6, and the high-side discharging end of the large-inclination corrugated belt conveyor 6 extends to the upper side of the sundry loading platform 7; the sundry loading platform 7 is provided with a supporting frame 7a, an emergency collecting hopper 7b is erected at the upper end of the supporting frame 7a, the upper opening of the emergency collecting hopper 7b faces to the material falling direction of the high-side discharging end of the large-inclination corrugated belt conveyor 6, and the lower opening of the emergency collecting hopper 7b is provided with a flat gate valve 7c to control opening and closing. The conveying speed of the unloading chain plate conveyor 1 is controlled by adopting a variable frequency motor. Two sundry collecting hoppers 4 are arranged, the two sundry collecting hoppers 4 are arranged below the toothed roller type impurity removing conveyor 3 in parallel, and a groove type belt conveyor 5 is arranged below each sundry collecting hopper 4.
As shown in fig. 1-5, the multistage dispersion conveyor 2 is provided with a frame 2a, 6 dispersion rollers 2b are arranged on the frame 2a, each dispersion roller 2b is rotatably supported on the frame 2a through bearing blocks 2c at two ends of the dispersion roller 2b, and all the dispersion rollers 2b are parallel and closely arranged together, thereby forming a roller conveying surface; the cylinder body of the throwing cylinder 2b is provided with a plurality of vertical blades which are distributed over the whole length of the cylinder body and extend out along the radial direction of the cylinder body, each blade is uniformly distributed along the outer circle of the cylinder body, the outer edges of the blades are provided with concave-convex teeth which are continuously arranged, and the shape and the relative position of the concave-convex teeth of each blade are consistent; the concave-convex teeth of the adjacent side blades of the two adjacent throwing rollers 2b are arranged in a staggered embedded mode, continuous and uniform gaps 2d are formed at the two sides of tooth surfaces and tooth tops of the embedded concave-convex teeth, and the blades of the two adjacent throwing rollers 2b do not interfere with each other during rotation; the 6 throwing rollers 2b are divided into 3 stages of throwing conveying units along the conveying direction, each stage of throwing conveying unit is provided with 2 throwing rollers 2b and is provided with 1 group of independent power, the power adopts a variable-frequency speed-regulating speed-reducing motor 2e, and the rotating speed of the throwing rollers 2b of the 3 stages of throwing conveying units is independently controlled by 3 speed-reducing motors 2e which are respectively arranged for the throwing rollers; the rotation directions of all the throwing rollers 2b of the 3-stage throwing conveying unit are the same, so that the material conveying directions are consistent. Among the 2 throwing rollers 2b of each stage of throwing conveying unit, one throwing roller 2b is used as a driving throwing roller, the other throwing roller 2b is used as a driven throwing roller, a speed reducing motor 2e is connected with one end of the driving throwing roller through a coupling 2f and drives the driving throwing roller to rotate, and the other end of the driving throwing roller is connected with one end of the driven throwing roller through a chain transmission assembly 2g, so that the driven throwing roller and the driving throwing roller synchronously rotate in the same direction.
As shown in fig. 1-2 and fig. 6-12, the toothed roller type impurity removal conveyor 3 is provided with 24 conveying toothed rollers 3a, the center of each conveying toothed roller 3a is provided with a transverse roller shaft 3b, the middle part of each roller shaft 3b is a main shaft body, and the left end and the right end of each roller shaft 3b are respectively provided with a left connecting shaft head and a right connecting shaft head; the tooth roller 3c is arranged on the outer side of the main shaft body of the roller shaft 3b, the center of the tooth roller 3c is a horizontal hollow roller, a plurality of rings of roller tooth convex rings which are arranged at intervals along the axial direction of the roller are arranged on the circumferential surface of the outer side of the roller, each ring of roller tooth convex rings consists of a plurality of roller teeth which are distributed along the radial direction of the circumferential surface of the outer side of the roller, the roller and the roller teeth on the roller are integrally made of an integral material, and the tooth roller 3c is movably sleeved on the outer side of the main shaft body of the roller shaft 3b through the roller; the outer side of the main shaft body of the roll shaft 3b is movably sleeved with a spacer bush 3d at the left side and the right side of the tooth roll 3c respectively, the left connecting shaft head and the right connecting shaft head of the roll shaft 3b are sleeved with a pressing ring 3e respectively, the rear end of the pressing ring 3e is sequentially provided with a stop washer 3f and a lock nut 3g, the pressing rings 3e at the left end and the right end carry out jacking and fixing on the tooth roll 3c through the spacer bush 3d, and meanwhile, the locking nut 3g and the stop washer 3f lock the pressing ring 3e, so that the left lateral movement position of the tooth roll 3c at the outer side of the main shaft body of the roll shaft 3b is locked; the outer side of the main shaft body of the roll shaft 3b is also connected with the roller of the tooth roller 3c through a strip flat key 3h which is transversely arranged, thereby locking the rotation position of the tooth roller 3c at the outer side of the main shaft body of the roll shaft 3 b. The main shaft body of the roll shaft 3b is a long cylinder 3b1 which is hollow transversely, the driven shaft head 3b2 and the driving shaft head 3b3 extend into the long cylinder 3b1 from the left end and the right end respectively for a certain distance and are fixedly welded into a whole with the long cylinder, and the parts of the driven shaft head 3b2 and the driving shaft head 3b3 exposed out of the long cylinder 3b1 are respectively used as a left connecting shaft head and a right connecting shaft head of the roll shaft 3 b.
All 24 conveying toothed rollers 3a are mutually parallel and closely arranged together, thereby forming a toothed roller conveying surface; the adjacent two conveying toothed rollers 3a are arranged in a jogged mode that the roller tooth convex rings at the adjacent sides are staggered, continuous and uniform roller tooth gaps 3i are arranged at the two sides of the roller tooth surfaces and the tooth tops of the jogged roller tooth convex rings, and the roller teeth of the adjacent two conveying toothed rollers 3a do not interfere with each other during rotation; the 24 conveying toothed rollers 3a are divided into 8 stages of impurity removal conveying units along the conveying direction, each stage of impurity removal conveying unit is provided with 3 conveying toothed rollers 3a and 1 group of independent variable-frequency speed-regulating toothed roller driving motors, and the toothed roller driving motors are matched with corresponding connecting components to drive the 3 conveying toothed rollers 3a of the stage of impurity removal conveying unit to synchronously and co-rotate; the rotating speed of the conveying toothed roller 3a of the 8-stage impurity removal conveying unit is independently controlled by 8 toothed roller driving motors which are respectively arranged for the conveying toothed roller; all conveying toothed rollers 3a of the 8-stage impurity removal conveying unit have the same rotation direction so as to ensure that the conveying directions of materials are consistent.
The impurity removal system can be used for removing impurities from whole-rod type raw material sugarcane and also can be used for removing impurities from sectional type raw material sugarcane.
In practical application, the length and the number of unloading stations of the unloading chain plate conveyor 1 are determined by the actual field and the yield of sugar manufacturing enterprises, and the external vehicle can discharge raw material sugarcane onto the unloading chain plate conveyor 1 in a multipoint manner, and the unloading chain plate conveyor 1 is provided with a variable frequency motor for controlling the conveying speed of the unloading chain plate conveyor, so that the conveying speed can be adjusted according to the thickness of the sugarcane layer, and the raw material sugarcane is conveyed to the multistage throwing conveyor 2 more uniformly.
In the multistage dispersion conveyor 2, raw material sugar cane is subjected to large-amplitude turning by a dispersion roller 2b, so that dirt, sugarcane leaves and other impurities adhered to and mixed with the sugar cane are separated from the sugar cane, and the sugar cane and the impurities fall onto a toothed roller type impurity removal conveyor 3 respectively. Unlike the existing raw material sugarcane throwing device which is provided with only one throwing roller or a few throwing rollers which are lack of coordination and control, the multistage throwing conveyor 2 used by the impurity removing system is provided with 6 throwing rollers 2b which are parallel to each other and are closely arranged, concave-convex teeth of adjacent side blades are arranged in a staggered manner, continuous uniform gaps are arranged at two sides and tooth tops of tooth surfaces of the embedded concave-convex teeth, continuous throwing can be realized in the process of conveying raw material sugarcane to the rear stage, sundries separated from the raw material sugarcane can fall onto a toothed roller type impurity removing conveyor 3 under the gap between the two throwing rollers 2b, raw material sugarcane falls onto the toothed roller type impurity removing conveyor 3 from a discharging end in the conveying direction, therefore, the dispersing effect of the raw material sugarcane on the raw material sugarcane and the effect of separating sundries attached to the sugarcane are very good, the multistage throwing conveyor 2 also disperses 6 throwing rollers 2b into 3-stage throwing conveying units, and the individual throwing units can rotate according to the rotating speed of each stage of the throwing units, and the throwing speed of the throwing units can be adjusted according to the rotation conditions of each stage of the throwing units. The thickness of the raw material sugarcane conveyed by the unloading chain plate conveyor 1 is adjusted to be consistent, but the stacking densities are different, some are stacked together in bundles, the stacking densities are larger, some are alternately inserted, the stacking densities are smaller, the raw material sugarcane can be fully dispersed on the roller conveying surface of the multistage dispersing conveyor 2 by controlling the forward conveying speed of the raw material sugarcane, so that the conveyed raw material sugarcane becomes flat and uniform, the stacking densities are kept basically consistent, and the realization of uniform feeding to the rear stage is facilitated.
In the toothed roller type impurity removing conveyor 3, raw material sugarcane is continuously conveyed forwards, impurities such as soil, sugarcane leaves and the like fall into the impurity collecting hopper 4 through a roller gap 3i between two conveying toothed rollers 3a, and as the toothed roller type impurity removing conveyor 3 is provided with 8-stage impurity removing conveying units, each stage of impurity removing conveying unit is provided with independent power, the 8-stage impurity removing conveying units can be provided with different rotating speeds, and the speed of forward conveying of the sugarcane can be controlled to control uniform feeding to the rear stage. In addition, the conveying toothed roller 3a used by the toothed roller type impurity removal conveyor 3 is different from the conveying toothed roller used by the conventional toothed roller type impurity removal conveyor, the conventional conveying toothed roller is of a split type, the roller teeth of the conventional conveying toothed roller are formed by stacking and assembling tens of independent toothed sheets, the conveying toothed roller 3a of the toothed roller type impurity removal conveyor 3 adopts an integral structure, and the roller of the toothed roller and a plurality of rings of roller teeth arranged on the roller are integrally made of integral materials, so that the processing procedure and the processing cost can be greatly reduced, errors are not easy to accumulate during installation, the installation accuracy is high, and the movement interference of the roller teeth 3a of two adjacent conveying toothed rollers is not easy to occur due to small assembly errors.
The sundries collected by the sundries collecting hopper 4 fall onto the groove type belt conveyor 5 from the opening at the lower side of the sundries collecting hopper, the sundries are conveyed onto the large-inclination corrugated belt conveyor 6 by the groove type belt conveyor 5, then the sundries are conveyed into the emergency collecting hopper 7b of the sundries loading platform 7 by the large-inclination corrugated belt conveyor 6, when the transport vehicle is driven into the sundries loading platform 7 to be in place, the flat gate valve 7c of the sundries loading platform 7 is opened, sundries such as soil and sugarcane leaves automatically fall into the transport vehicle, when the transport vehicle is full, the flat gate valve 7c is manually closed, the sundries are temporarily stored in the emergency collecting hopper 7b, and the next loading is waited.
The above-described drawings illustrate only typical embodiments of the invention and are therefore not to be considered limiting of its scope, for the invention may admit to other equally effective alternatives and modifications, without departing from the spirit and principles of the invention.
Claims (7)
1. A edulcoration system for raw materials sugarcane preliminary treatment, characterized by: the edulcoration system includes link joint conveyer, multistage conveyor that breaks up, fluted roller edulcoration conveyer, debris collection fill, groove type band conveyer, big inclination ripple belt conveyor, debris loading platform that breaks up, wherein: the low-side feeding end of the unloading chain plate conveyor is arranged at the raw material sugarcane unloading platform; the multistage throwing conveyor is arranged at a position below the front of the high-side discharge end of the unloading chain plate conveyor and is composed of a plurality of throwing rollers which are parallel to each other and are closely arranged together; the tooth roller type impurity removing conveyor is arranged right below the multistage throwing conveyor and consists of a plurality of conveying tooth rollers which are mutually parallel and closely arranged together, and the length of a conveying plane of the tooth roller type impurity removing conveyor is longer than that of the multistage throwing conveyor; the sundry collecting hopper is arranged below the toothed roller type impurity removing conveyor, the sundry collecting hopper is funnel-shaped, and an upper opening of the sundry collecting hopper faces the lower side of the toothed roller type impurity removing conveyor; the groove-type belt conveyor is arranged below the sundry collecting hopper, the lower opening of the sundry collecting hopper faces the feeding end of the groove-type belt conveyor, the discharging end of the groove-type belt conveyor is connected to the low-side feeding end of the large-inclination-angle corrugated belt conveyor, and the high-side discharging end of the large-inclination-angle corrugated belt conveyor extends to the upper part of the sundry loading platform; the sundry loading platform is provided with a supporting frame, the upper end of the supporting frame is provided with an emergency collection hopper, the upper side opening of the emergency collection hopper faces to the material falling direction of the high side discharge end of the large-inclination corrugated belt conveyor, and the lower side opening of the emergency collection hopper is provided with a flat gate valve to control opening and closing;
The multistage throwing conveyor is provided with a frame, 6 throwing rollers are erected on the frame, each throwing roller is rotatably supported on the frame through bearing seats at two ends of the frame, and all the throwing rollers are parallel to each other and are closely arranged together, so that a roller conveying surface is formed; the cylinder body of the throwing cylinder is provided with a plurality of vertical blades which are distributed over the whole length of the cylinder body and extend out along the radial direction of the cylinder body, each blade is uniformly distributed along the outer circle of the cylinder body, the outer edges of the blades are provided with concave-convex teeth which are continuously arranged, and the shape and the relative position of the concave-convex teeth of each blade are consistent; the concave-convex teeth of the adjacent side blades of the two adjacent throwing rollers are arranged in a staggered embedded mode, continuous and uniform gaps are formed at the two sides of tooth surfaces and tooth tops of the embedded concave-convex teeth, and the blades of the two adjacent throwing rollers do not interfere with each other during rotation; the 6 throwing rollers are divided into 3-stage throwing conveying units along the conveying direction, each stage of throwing conveying unit is provided with 2 throwing rollers and is provided with 1 group of independent power, the power adopts a variable-frequency speed-regulating gear motor, and the rotating speeds of the throwing rollers of the 3-stage throwing conveying units are respectively and independently controlled by the 3 gear motors; the rotation directions of all the throwing rollers of the 3-level throwing conveying unit are the same, so that the material conveying directions are consistent;
The tooth roller type impurity removal conveying rack is provided with 24 conveying tooth rollers, the center of each conveying tooth roller is provided with a transverse roller shaft, the middle of each roller shaft is a main shaft body, and the left end and the right end of each roller shaft are respectively provided with a left connecting shaft head and a right connecting shaft head; the tooth roller is arranged on the outer side of the roller shaft main shaft body, the center of the tooth roller is a horizontal hollow roller, a plurality of rings of roller tooth convex rings which are arranged at intervals along the axial direction of the roller are arranged on the circumferential surface of the outer side of the roller, each ring of roller tooth convex rings consists of a plurality of roller teeth which are distributed along the radial direction of the circumferential surface of the outer side of the roller, the roller and the roller teeth on the roller are integrally made of an integral material, and the tooth roller is movably sleeved on the outer side of the roller shaft main shaft body through the roller; the outer side of the main shaft body of the roll shaft is movably sleeved with a spacer bush at the left side and the right side of the toothed roll respectively, the left connecting shaft head and the right connecting shaft head of the roll shaft are sleeved with a pressing ring respectively, the rear ends of the pressing rings are sequentially provided with a stop washer and a lock nut, the pressing rings at the left end and the right end carry out jacking and retention on the toothed roll through the spacer bush, and meanwhile, the locking nut and the stop washer lock the pressing rings, so that the left lateral movement position and the right lateral movement position of the toothed roll at the outer side of the main shaft body of the roll shaft are locked; the outer side of the roll shaft main shaft body is also connected with the roller of the tooth roller through a strip flat key which is transversely arranged, so that the rotation position of the tooth roller at the outer side of the roll shaft main shaft body is locked.
2. The system for pretreatment of raw cane of claim 1, wherein: the chain plate conveyor for unloading the vehicle adopts a variable frequency motor to control the conveying speed of the chain plate conveyor.
3. The system for pretreatment of raw cane of claim 1, wherein: among the 2 throwing rollers of each stage of throwing conveying unit, one throwing roller is used as a driving throwing roller, the other throwing roller is used as a driven throwing roller, a speed reducing motor is connected with one end of the driving throwing roller through a coupling and drives the driving throwing roller to rotate, and the other end of the driving throwing roller is connected with one end of the driven throwing roller through a chain transmission assembly, so that the driven throwing roller and the driving throwing roller synchronously rotate in the same direction.
4. The system for pretreatment of raw cane of claim 1, wherein: all 24 conveying toothed rollers of the toothed roller type impurity removal conveyor are mutually parallel and closely arranged together, so that a toothed roller conveying surface is formed; the adjacent two conveying toothed rollers are arranged in a jogged mode that the roller tooth convex rings at the adjacent sides are staggered, continuous and uniform roller tooth gaps are arranged at the two sides of the roller tooth surfaces and the tooth tops of the jogged roller tooth convex rings, and the roller teeth of the adjacent two conveying toothed rollers are not interfered with each other during rotation; the 24 conveying toothed rollers are divided into 8 stages of impurity removal conveying units along the conveying direction, each stage of impurity removal conveying unit is provided with 3 conveying toothed rollers and is provided with 1 group of independent toothed roller driving motors with variable frequency and speed regulation, and the toothed roller driving motors are matched with corresponding connecting components to drive the 3 conveying toothed rollers of the stage of impurity removal conveying unit to synchronously and co-rotate; the rotating speed of the conveying toothed rollers of the 8-stage impurity removal conveying unit is independently controlled by 8 toothed roller driving motors which are respectively arranged for the conveying toothed rollers; the rotation directions of all conveying toothed rollers of the 8-stage impurity removal conveying unit are the same, so that the material conveying direction is consistent.
5. The system for pretreatment of raw cane of claim 4, wherein: the main shaft body of the roll shaft is a long cylinder which is transversely hollow, the driven shaft head and the driving shaft head extend into the long cylinder from the left end and the right end respectively for a certain distance and are fixedly welded into a whole with the long cylinder, and the parts of the driven shaft head and the driving shaft head exposed out of the long cylinder are respectively used as a left connecting shaft head and a right connecting shaft head of the roll shaft.
6. The system for pretreatment of raw cane of claim 1, wherein: the two sundry collecting hoppers are arranged below the toothed roller type impurity removing conveyor in parallel, and a groove type belt conveyor is respectively arranged below each sundry collecting hopper.
7. The system for pretreatment of raw cane of claim 1, wherein: the raw material sugarcane comprises whole-rod raw material sugarcane and segmented raw material sugarcane.
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| CN113351481B (en) * | 2021-06-01 | 2023-01-31 | 广西博斯特机械有限公司 | Remove disconnect-type sugarcane and synthesize shaker |
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| CN102492780B (en) * | 2011-11-25 | 2013-12-18 | 中兴能源(内蒙古)有限公司 | Method for removing impurities from sorgo |
| CN107750617A (en) * | 2017-11-07 | 2018-03-06 | 卢文祥 | Sugarcane harvesting method and system |
| CN208494980U (en) * | 2018-05-16 | 2019-02-15 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of sugarcane removal of impurities pretreatment system |
| CN209349047U (en) * | 2018-09-21 | 2019-09-06 | 广东粤威环境技术有限公司 | A kind of impurity removed system removing silt and sugarcane top for sugar refinery |
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