CN111578628A - Lees dehydration drying system - Google Patents
Lees dehydration drying system Download PDFInfo
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- CN111578628A CN111578628A CN202010427296.0A CN202010427296A CN111578628A CN 111578628 A CN111578628 A CN 111578628A CN 202010427296 A CN202010427296 A CN 202010427296A CN 111578628 A CN111578628 A CN 111578628A
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- dewatering
- hollow shaft
- drying
- bin
- drying chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a vinasse dewatering and drying system which comprises a centrifugal dewatering device and a drying device, wherein the centrifugal dewatering device comprises a dewatering bin, a hollow shaft and a driving device for driving the dewatering bin to rotate; a scraping plate is arranged on the outer wall of the hollow shaft, the bottom end of the scraping plate is hinged with the bottom end of the outer wall of the hollow shaft, a connecting rod is hinged in the middle of the scraping plate, a sliding groove is formed in the outer wall of the hollow shaft along the axial direction of the sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and the other end of the connecting rod is; a material collecting tank is arranged at the outer edge of the top of the dewatering bin, and a material output hole is formed in the lowest position of the material collecting tank; the drying device comprises a drying chamber, a cooler and a heat exchanger; the top one side of drying chamber is equipped with the feeder hopper, and material delivery outlet and feeder hopper intercommunication are equipped with transport mechanism in the drying chamber, and transport mechanism includes the multilayer conveyer belt, and the discharge end that the bottom of drying chamber corresponds the lower floor's transmission area is equipped with out the hopper, and the discharge gate that goes out the hopper is connected with auger feeding mechanism.
Description
Technical Field
The invention relates to the technical field of liquor production, in particular to a vinasse dewatering and drying system.
Background
The solid-state liquor loses grains with more organic matters and moisture, and the grains are easy to rot and cannot be stored durably when being stacked, so that the resource utilization rate of the grains lost by a large number of solid-state liquor enterprises is not high at present, and the increasing amount of grains lost causes great pressure on environmental protection.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a vinasse dewatering and drying system.
The technical scheme adopted by the invention is as follows:
a vinasse dewatering and drying system comprises a centrifugal dewatering device and a drying device, wherein the centrifugal dewatering device comprises a dewatering bin, a hollow shaft and a driving device for driving the dewatering bin to rotate, the dewatering bin is conical, the small end of the dewatering bin is arranged downwards, a plurality of small water leakage holes are formed in the side wall of the dewatering bin, and the inner space of the dewatering bin is a dewatering space; the hollow shaft and the dehydration bin are coaxially arranged, an inner hole of the hollow shaft is a material conveying hole, a discharge hole positioned at the bottom of the dehydration space is formed in the hollow shaft, and the material conveying hole is communicated with the dehydration space through the discharge hole; when the dewatering bin rotates, the centrifugal force can enable the vinasse to move upwards along the inner surface of the dewatering bin; a scraping plate is arranged on the outer wall of the hollow shaft, the bottom end of the scraping plate is hinged with the bottom end of the outer wall of the hollow shaft, a connecting rod is hinged to the middle of the scraping plate, a sliding groove is formed in the outer wall of the hollow shaft along the axial direction of the sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and the other end of the connecting rod is hinged with the sliding block; the outer edge of the top of the dewatering bin is provided with a material collecting groove, the material collecting groove is annular, the radial section of one side of the axis of the material collecting groove is concave, the material collecting groove is obliquely arranged, and the lowest part of the material collecting groove is provided with a material output hole;
the drying device comprises a drying chamber, a cooler and a heat exchanger; a feeding hopper is arranged on one side of the top of the drying chamber, the material output holes are communicated with the feeding hopper, a conveying mechanism is arranged in the drying chamber and comprises a plurality of layers of conveying belts, the feeding end of the uppermost layer of conveying belt is positioned under the feeding port, the feeding ends of the other conveying belts are positioned outside the discharging end of the upper layer of conveying belt, a discharging hopper is arranged at the bottom of the drying chamber corresponding to the discharging end of the lowermost layer of conveying belt, and the discharging port of the discharging hopper is connected with an auger feeding mechanism; the bottom of drying chamber is equipped with hot-blast import, the top of drying chamber is equipped with the cold wind export, the hot-blast import of drying chamber is connected to the air outlet of heat exchanger, the air intake of cooler is connected to the cold wind export of drying chamber, the exit of heat exchanger is connected to the air outlet of cooler.
Preferably, the device also comprises a frame, a rotating shaft is coaxially connected to the center of the bottom of the dewatering bin, the rotating shaft is connected with the frame through a thrust bearing, and the top end of the hollow shaft is fixedly connected with the frame; the outer wall of the hollow shaft is provided with a linear motor, an output shaft of the linear motor is arranged along the axial direction of the hollow shaft, the output shaft of the linear motor is connected with a sliding block, the bottom end of the rotating shaft is connected with a driving device, and the driving device is a motor; the outer wall of the material collecting tank is fixedly connected with the rack.
Preferably, the number of the discharge holes is four, the discharge holes are distributed in a circumferential array by taking the axis of the hollow shaft as the axis, a guide cone is connected in the hollow shaft, the tip of the guide cone is upward, and the lower end of the guide cone is flush with the lower edge of the discharge hole.
Preferably, the dewatering bin is coated with a water collecting bin, and the bottom of the water collecting bin is provided with a drain hole.
Preferably, the waste heat recovery device comprises an evaporator, a compressor, a condenser and an economizer, wherein a water outlet of the cooler is connected with a water inlet of the evaporator, a water outlet of the evaporator is connected with a water inlet of the cooler, a refrigerant outlet of the evaporator is connected with a first refrigerant inlet of the compressor, a refrigerant outlet of the compressor is connected with a refrigerant inlet of the economizer, a first refrigerant outlet of the economizer is connected with a refrigerant inlet of the evaporator, a second refrigerant outlet of the economizer is connected with a second refrigerant inlet of the compressor, a water inlet of the condenser is connected with a water outlet of the heat exchanger, and a water outlet of the condenser is connected with a water inlet of the heat exchanger.
Preferably, the hot air inlet and the cold air outlet of the drying chamber are respectively positioned right below and right above the middle part of the conveying mechanism.
Preferably, the conveyor belt is horizontally arranged and is a mesh belt.
Preferably, a material distribution mechanism is arranged in a feed hopper of the drying chamber, the material distribution mechanism comprises a stirring shaft, a material stirring claw and a material distribution roller, two ends of the stirring shaft are respectively connected with two side walls of the feed hopper through bearings, the stirring shaft is horizontally arranged, the axial direction of the stirring shaft is vertical to the conveying direction of the conveyor belt, one end of the stirring shaft extends out of the feed hopper and is connected with a driving motor, the two stirring claws are uniformly distributed on the cylindrical surface of the stirring shaft along the axial direction of the stirring shaft in a group, the two stirring claws in each group are symmetrically distributed by taking the stirring shaft as the center, the cloth roller is located under the (mixing) shaft, the cloth roller includes the compression roller of two relative settings, and the both ends of two compression rollers are connected with the both sides wall of feeder hopper through the bearing respectively, and two compression roller one end extend to the feeder hopper outside and be connected with driving motor and make two compression rollers be close to the equal lapse of one side on the vertical plane in (mixing) shaft place with the unloading.
Preferably, two the compression roller extends to the one end outside the feeder hopper and is connected with the gear respectively, two gear intermeshing, and this end of one of them compression roller is connected with driving motor.
The invention has the beneficial effects that:
1. centrifugal dehydration and hot air drying are combined, vinasse is firstly subjected to centrifugal dehydration and primary drying and then is further dried by hot air drying, the drying effect of the vinasse is better, the water content of the processed vinasse is lower, the vinasse is not easy to mildew and rot during stacking, the storage time is prolonged, the vinasse is favorably recycled, and the environment is protected;
2. the taper of the dewatering bin is controlled, so that the lees can move upwards along the inner surface of the dewatering bin through centrifugation, continuous feeding, drying and discharging are realized, and the machine does not need to be stopped for feeding and discharging;
3. after the drying device is used for a period of time, the vinasse can be possibly adhered to the inner surface of the dewatering bin, after the vinasse is dried, the scraper blade is driven by the linear motor to be in contact with the inner surface of the dewatering bin, and then the driving device drives the dewatering bin to rotate at a low speed to scrape the vinasse adhered to the inner surface of the dewatering bin;
4. the vinasse on the conveyor belt is heated and dried by the dry hot air from bottom to top, the vinasse on the upper conveyor belt falls to the lower conveyor belt at the discharge end of the vinasse, and the vinasse is staggered and matched up and down by the plurality of layers of conveyor belts, so that the vinasse drying time is prolonged, the vinasse amount for drying at the same time is increased, and the installation space of the conveyor belts is saved;
5. in order to ensure the air drying for drying the vinasse, the low-temperature humid air from the cold air outlet is further cooled by a cooler, and the water condensed by the water vapor in the air cooling process is discharged;
6. the waste heat recovery device can not only provide hot water to heat the cooled air through the heat exchanger and then send the air into the drying chamber to dry the vinasse, but also can recycle the waste heat brought by the absorption of the cooling water in the cooler to the humid air, thereby improving the utilization rate of energy sources and being more environment-friendly;
7. make the lees evenly spread out on the conveyer belt through cloth mechanism, avoid the lees to pile up and lead to drying effect poor, lees after the spreading out and hot-blast area of contact increase, drying efficiency is higher, the stoving effect is better.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic top view of a drying chamber according to an embodiment of the present invention;
FIG. 3 is a block diagram of a drying apparatus according to an embodiment of the present invention;
FIG. 4 is a block diagram of a waste heat recovery device according to an embodiment of the present invention;
reference numerals: 10. the device comprises a frame, 20, a dewatering bin, 21, a rotating shaft, 22, a thrust bearing, 23, a water collecting bin, 24, a water draining hole, 30, a hollow shaft, 31, a material conveying hole, 32, a material discharging hole, 33, a guide cone, 40, a scraper blade, 41, a connecting rod, 42, a sliding block, 43, a linear motor, 50, a material collecting tank, 51, a material output hole, 60, a drying chamber, 61, a feeding hopper, 62, a conveying belt, 63, a material discharging hopper, 64, a hot air inlet, 65, a cold air outlet, 70, a cooler, 71, a heat exchanger, 72, an evaporator, 73, a compressor, 74, a condenser, 75, an economizer, 80, a stirring shaft, 81, a material stirring claw, 82, a compression roller, 83 and a gear.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1-3, a lees dewatering and drying system comprises a centrifugal dewatering device and a drying device, wherein the centrifugal dewatering device comprises a dewatering bin 20, a hollow shaft 30 and a driving device for driving the dewatering bin 20 to rotate, the dewatering bin 20 is conical, the small end of the dewatering bin 20 is arranged downwards, the side wall of the dewatering bin 20 is provided with a plurality of small water leakage holes, and the inner space of the dewatering bin 20 is a dewatering space; the hollow shaft 30 and the dehydration bin 20 are coaxially arranged, an inner hole of the hollow shaft 30 is a material conveying hole 31, a discharge hole 32 positioned at the bottom of the dehydration space is arranged on the hollow shaft 30, and the material conveying hole 31 is communicated with the dehydration space through the discharge hole 32; when the dewatering bin 20 rotates, the centrifugal force can make the vinasse move upwards along the inner surface of the dewatering bin 20; a scraping plate 40 is arranged on the outer wall of the hollow shaft 30, the bottom end of the scraping plate 40 is hinged with the bottom end of the outer wall of the hollow shaft 30, a connecting rod 41 is hinged in the middle of the scraping plate 40, a sliding groove is formed in the outer wall of the hollow shaft 30 along the axial direction of the sliding groove, a sliding block 42 is connected in the sliding groove in a sliding mode, and the other end of the connecting rod 41 is hinged with the sliding block 42; a material collecting groove 50 is formed in the outer edge of the top of the dewatering bin 20, the material collecting groove 50 is annular, the radial section of one side of the axis of the material collecting groove 50 is concave, the material collecting groove 50 is obliquely arranged, and a material output hole 51 is formed in the lowest position of the material collecting groove 50;
the drying device comprises a drying chamber 60, a cooler 70 and a heat exchanger 71; a feed hopper 61 is arranged on one side of the top of the drying chamber 60, the material output holes 51 are communicated with the feed hopper 61, a conveying mechanism is arranged in the drying chamber 60 and comprises a plurality of layers of conveying belts 62, the feeding end of the uppermost layer of conveying belt 62 is positioned right below the feeding hole, the feeding ends of the other conveying belts 62 are positioned outside the discharging end of the upper layer of conveying belt 62, a discharging hopper 63 is arranged at the bottom of the drying chamber 60 corresponding to the discharging end of the lowermost layer of conveying belt, and a discharging hole of the discharging hopper 63 is connected with an auger feeding mechanism; the bottom of the drying chamber 60 is provided with a hot air inlet 64, the top of the drying chamber 60 is provided with a cold air outlet 65, the air outlet of the heat exchanger 71 is connected with the hot air inlet 64 of the drying chamber 60, the cold air outlet 65 of the drying chamber 60 is connected with the air inlet of the cooler 70, and the air outlet of the cooler 70 is connected with the inlet and the outlet of the heat exchanger 71.
When the device is used, the driving device is started to drive the dewatering bin 20 to rotate, the vinasse is added through the material conveying hole 31 of the hollow shaft 30, and the vinasse falls to the bottom of the dewatering bin 20 along the material conveying hole 31. Under the action of centrifugal force, the vinasse is attached to the inner surface of the dewatering bin 20 and dewatered, the dewatered water flows out of the small water leakage holes, and the dried vinasse moves upwards along the surface of the dewatering bin 20 under the action of centrifugal force and finally moves out of the dewatering bin 20.
Lees moves down dehydration storehouse 20 under the centrifugal force effect when, for lees are collected, sets up material collecting vat 50 at the top outer fringe of dehydration storehouse 20 for lees are collected, and the lees that shift out dehydration storehouse 20 are collected by material collecting vat 50, and the bottom slope setting of material collecting vat 50, and the lees of being convenient for are concentrated and are sent out from material delivery outlet 51.
After the drying device is used for a period of time, the vinasse may be adhered to the inner surface of the dewatering bin 20, after the vinasse is dried, the sliding block 42 is pushed downwards along the sliding chute, the sliding block 42 drives the connecting rod 41 to move downwards, the connecting rod 41 pushes the scraping plate 40 away in the moving process until the scraping plate 40 is in contact with the inner surface of the dewatering bin 20, then the driving device drives the dewatering bin 20 to rotate at a low speed to scrape the vinasse adhered to the inner surface of the dewatering bin 20, and after the vinasse on the inner surface of the dewatering bin 20 is scraped completely, the sliding block 42 is stretched upwards along the sliding chute to retract the scraping plate.
Through the upper and lower dislocation cooperation of multilayer conveyer belt 62, not only prolonged lees drying time, increased the lees volume of drying simultaneously, but also saved conveyer belt 62's installation space.
And the distiller's grains are always dried by using dry air, so that the drying efficiency can be improved, and a better drying effect can be obtained.
Of course, in the pipeline of the air circulation, in order to maintain the flow rate of the air, an air pump can be additionally arranged at the corresponding position.
In one embodiment, the dewatering device further comprises a frame 10, a rotating shaft 21 is coaxially connected to the center of the bottom of the dewatering bin 20, the rotating shaft 21 is connected with the frame 10 through a thrust bearing 22, and the top end of the hollow shaft 30 is fixedly connected with the frame 10; a linear motor 43 is arranged on the outer wall of the hollow shaft 30, an output shaft of the linear motor 43 is arranged along the axial direction of the hollow shaft 30, the output shaft of the linear motor 43 is connected with the sliding block 42, the bottom end of the rotating shaft 21 is connected with a driving device, and the driving device is a motor; the outer wall of the material collecting tank 50 is fixedly connected with the frame 10.
The driving device can adopt a common motor, the power is transmitted to the rotating shaft 21 through a belt transmission device, and the up-and-down sliding of the sliding block 42 can be driven by the linear motor 43.
In one embodiment, the number of the discharge holes 32 is four, and the discharge holes are distributed in a circumferential array by taking the axis of the hollow shaft 30 as the axis, a guide cone 33 is connected in the hollow shaft 30, the tip of the guide cone 33 is upward, and the lower end of the guide cone 33 is flush with the lower edge of the discharge hole 32.
For making the lees get into dehydration storehouse 20 from defeated material hole 31 more smoothly and distribute more evenly, discharge opening 32 quantity can set up to four to be circumference array distribution as the axle center with the axis of hollow shaft 30, be favorable to lees to dewater in dehydration storehouse 20 evenly distributed when making alcohol get into dehydration storehouse 20 promptly, guide cone 33 can guide lees, makes the lees get into dehydration storehouse 20 more smoothly from defeated material hole 31.
In one embodiment, the dewatering bin 20 is covered with a water collecting bin 23, and a drain hole 24 is formed at the bottom of the water collecting bin 23.
The water collecting bin 23 can collect the water flowing out from the small water leakage holes of the dewatering bin 20 and discharge the water through the water discharge hole 24, and the water discharge hole 24 can be connected with a water discharge pipe and is provided with a valve.
In one embodiment, as shown in fig. 4, a waste heat recovery device is further included, which includes an evaporator 72, a compressor 73, a condenser 74 and an economizer 75, the water outlet of the cooler 70 is connected with the water inlet of the evaporator 72, the water outlet of the evaporator 72 is connected with the water inlet of the cooler 70, a refrigerant outlet of the evaporator 72 is connected to a first refrigerant inlet of a compressor 73, a refrigerant outlet of the compressor 73 is connected to a refrigerant outlet of a condenser 74 and is connected to a refrigerant inlet of an economizer 75, a first refrigerant outlet of the economizer 75 is connected to a refrigerant inlet of the evaporator 72, a second refrigerant outlet of the economizer 75 is connected to a second refrigerant inlet of the compressor 73, the water inlet of the condenser 74 is connected with the water outlet of the heat exchanger 71, and the water outlet of the condenser 74 is connected with the water inlet of the heat exchanger 71.
The waste heat recovery device can not only provide hot water to heat the cooled air through the heat exchanger 71 and then send the air into the drying chamber 60 to dry the vinasse, but also recycle the waste heat brought by the cooling water in the cooler 70 to absorb the humid air, improve the utilization rate of energy sources and be more green and environment-friendly.
The specific working process is that the low-temperature humid air exchanges heat with the cooling water in the cooler 70 to heat the cooling water, the heated cooling water heats the refrigerant in the evaporator 72 through the evaporator 72 to be cooled so as to exchange heat with the low-temperature humid air again, the refrigerant is heated in the evaporator 72 to be changed from a liquid state to a gas state, and then the refrigerant is sucked by the compressor 73; by virtue of the high speed rotation of the impeller of the compressor 73, the pressure of the gaseous refrigerant is increased; the low-temperature water which heats the low-temperature dry air in the heat exchanger 71 exchanges heat with the gaseous refrigerant in the condenser 74, the low-temperature water is heated into high-temperature hot water to flow back into the heat exchanger 71 to continuously heat the low-temperature dry air passing through the heat exchanger 71, the gaseous refrigerant is cooled and then is changed into liquid from gaseous state to flow back into the economizer 75, the economizer 75 divides the refrigerant into two paths, one path is conveyed to the compressor 73, the other path is conveyed back to the evaporator 72, and the whole waste heat recovery cycle is completed.
In one embodiment, the hot air inlet 64 and the cold air outlet 65 of the drying chamber 60 are located directly below and above the middle of the conveyor, respectively.
The hot air inlet 64 and the cold air outlet 65 are correspondingly arranged right below and right above the middle part of the conveying mechanism respectively, so that the hot air in the drying chamber 60 is more evenly distributed relative to the conveying mechanism, and the drying effect of the vinasse is better.
In one embodiment, the conveyor belt 62 is horizontally disposed, and the conveyor belt 62 is a mesh belt.
Mesh belt's conveyer belt 62 can supply hot-air to see through, makes it carry out all-round stoving to the lees, improves drying efficiency and stoving effect.
In one embodiment, a distributing mechanism is arranged in the feeding hopper 61 of the drying chamber 60, the distributing mechanism includes a stirring shaft 80, material shifting claws 81 and a distributing roller, two ends of the stirring shaft 80 are respectively connected with two side walls of the feeding hopper 61 through bearings, the stirring shaft 80 is horizontally arranged, the axial direction of the stirring shaft 80 is perpendicular to the conveying direction of the conveying belt 62, one end of the stirring shaft 80 extends out of the feeding hopper 61 and is connected with a driving motor, the material shifting claws 81 are arranged on the cylindrical surface of the stirring shaft 80 in a group of two axial equispaced mode along the stirring shaft 80, the two material shifting claws 81 in each group of material shifting claws 81 are symmetrically distributed by taking the stirring shaft 80 as the center, the distributing roller is arranged under the stirring shaft 80 and comprises two oppositely arranged compression rollers 82, two ends of the two compression rollers 82 are respectively connected with two side walls of the feeding hopper 61 through bearings, one end of the two compression rollers 82 extends out of the feeding hopper 61 and is connected with the driving motor Rotate downwards on one side of the vertical plane for blanking.
Stirring of the stirring hopper on the stirring shaft 80 on the vinasse is disturbed, so that the vinasse is loosened, and the phenomenon that the vinasse inside cannot be effectively dried due to the fact that the vinasse is compacted and agglomerated is prevented. The two compression rollers 82 rotate oppositely, one side of the vertical plane close to the stirring shaft 80 rotates downwards to discharge, and through the matching of the two compression rollers 82, the purpose of uniform discharging can be achieved, so that the vinasse is uniformly and evenly spread on the conveyor belt 62, and the thickness is basically consistent. The blanking speed of the press roller 82 is related to the conveying speed of the conveyor belt 62, and is adjusted according to the drying efficiency, if the moisture content of the vinasse in the discharge hopper 63 is not low enough, the rotating speed of the press roller 82 and the conveying speed of the conveyor belt 62 can be reduced, so that the vinasse can stay on the conveyor belt 62 for a longer time to be sufficiently dried.
The material shifting claw 81 can be made into a T-shaped structure by using a stainless steel plate, the end part of the T-shaped vertical edge is connected with the stirring shaft 80 through a connecting rod made of stainless steel, the T-shaped vertical edge is arranged along the radial direction of the stirring shaft 80, and the T-shaped transverse edge is arranged in parallel with the stirring shaft 80. The stirring shaft 80 can also be made of stainless steel, the driving motor drives the stirring shaft 80 to rotate, the stirring shaft 80 rotates by driving the material stirring claw 81, and the vinasse is loosened by the material stirring hopper.
In one embodiment, gears 83 are respectively connected to the ends of the two pressing rollers 82 extending out of the feeding hopper 61, the two gears 83 are meshed with each other, and a driving motor is connected to the end of one of the pressing rollers 82.
The two press rollers 82 may be driven to rotate by separate drive motors, or may be driven to rotate by a common single drive motor through a synchronization mechanism. The synchronous mechanism can be completed by matching two gears 83, the two gears 83 are respectively connected with the central shafts of the two press rollers 82, and the two gears 83 are meshed with each other, so that the rotating directions of the two gears 83 are just opposite, the requirement of material distribution of the press rollers 82 is met, any press roller 82 or gear 83 can be driven by a driving motor, and the driving motor can be connected with the other gear 83 and meshed with one gear 83 on the two press rollers 82. The rotating direction of the driving motor is controlled well, and one side of each of the two pressing rollers 82 close to the vertical plane where the rotating shaft 21 is located rotates downwards to complete the cloth.
In the present invention, the working principle and the installation manner of the driving motor, the linear motor 43, the air pump, the cooler 70, the heat exchanger 71, the evaporator 72, the compressor 73, the condenser 74 and the economizer 75 are known to those skilled in the art, and will not be described herein again.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The vinasse dewatering and drying system is characterized by comprising a centrifugal dewatering device and a drying device, wherein the centrifugal dewatering device comprises a dewatering bin (20), a hollow shaft (30) and a driving device for driving the dewatering bin (20) to rotate, the dewatering bin (20) is conical, the small end of the dewatering bin (20) is arranged downwards, a plurality of small water leakage holes are formed in the side wall of the dewatering bin (20), and the inner space of the dewatering bin (20) is a dewatering space; the hollow shaft (30) and the dehydration bin (20) are coaxially arranged, an inner hole of the hollow shaft (30) is a material conveying hole (31), a material discharging hole (32) positioned at the bottom of the dehydration space is formed in the hollow shaft (30), and the material conveying hole (31) is communicated with the dehydration space through the material discharging hole (32); when the dewatering bin (20) rotates, the centrifugal force can enable the vinasse to move upwards along the inner surface of the dewatering bin (20); a scraping plate (40) is arranged on the outer wall of the hollow shaft (30), the bottom end of the scraping plate (40) is hinged with the bottom end of the outer wall of the hollow shaft (30), a connecting rod (41) is hinged to the middle of the scraping plate (40), a sliding groove is formed in the outer wall of the hollow shaft (30) along the axial direction of the hollow shaft, a sliding block (42) is connected in the sliding groove in a sliding mode, and the other end of the connecting rod (41) is hinged with the sliding block (42); a material collecting groove (50) is formed in the outer edge of the top of the dewatering bin (20), the material collecting groove (50) is annular, the radial section of one side of the axis of the material collecting groove (50) is concave, the material collecting groove (50) is obliquely arranged, and a material output hole (51) is formed in the lowest position of the material collecting groove (50);
the drying device comprises a drying chamber (60), a cooler (70) and a heat exchanger (71); a feed hopper (61) is arranged on one side of the top of the drying chamber (60), the material output holes (51) are communicated with the feed hopper (61), a conveying mechanism is arranged in the drying chamber (60), the conveying mechanism comprises a plurality of layers of conveying belts (62), the feeding end of the uppermost layer of conveying belt (62) is positioned under the feeding port, the feeding ends of the other conveying belts (62) are positioned on the outer side of the discharging end of the upper layer of conveying belt (62), a discharge hopper (63) is arranged at the bottom of the drying chamber (60) corresponding to the discharging end of the lowermost layer of conveying belt, and a discharge port of the discharge hopper (63) is connected with a packing auger feeding mechanism; the bottom of drying chamber (60) is equipped with hot-blast import (64), the top of drying chamber (60) is equipped with cold wind export (65), hot-blast import (64) of drying chamber (60) are connected to the air outlet of heat exchanger (71), the air intake of cooler (70) is connected in cold wind export (65) of drying chamber (60), the exit of heat exchanger (71) is connected to the air outlet of cooler (70).
2. The vinasse dewatering and drying system according to claim 1, further comprising a frame (10), wherein a rotating shaft (21) is coaxially connected to the center of the bottom of the dewatering bin (20), the rotating shaft (21) is connected with the frame (10) through a thrust bearing (22), and the top end of the hollow shaft (30) is fixedly connected with the frame (10); a linear motor (43) is arranged on the outer wall of the hollow shaft (30), an output shaft of the linear motor (43) is arranged along the axial direction of the hollow shaft (30), the output shaft of the linear motor (43) is connected with a sliding block (42), the bottom end of the rotating shaft (21) is connected with a driving device, and the driving device is a motor; the outer wall of the material collecting tank (50) is fixedly connected with the rack (10).
3. The vinasse dewatering and drying system according to claim 2, wherein the number of the discharge holes (32) is four, the discharge holes are distributed in a circumferential array by taking the axis of the hollow shaft (30) as an axis, a guide cone (33) is connected in the hollow shaft (30), the tip of the guide cone (33) is upward, and the lower end of the guide cone (33) is flush with the lower edge of the discharge hole (32).
4. The vinasse dewatering and drying system according to claim 3, wherein a water collecting bin (23) is coated outside the dewatering bin (20), and a drain hole (24) is formed in the bottom of the water collecting bin (23).
5. The distiller's grains dewatering and drying system according to claim 4, further comprising a waste heat recovery device, the waste heat recovery device comprises an evaporator (72), a compressor (73), a condenser (74) and an economizer (75), a water outlet of the cooler (70) is connected with a water inlet of the evaporator (72), a water outlet of the evaporator (72) is connected with a water inlet of the cooler (70), a refrigerant outlet of the evaporator (72) is connected with a first refrigerant inlet of the compressor (73), a refrigerant outlet of the compressor (73) is connected with a refrigerant outlet of the condenser (74) and is connected with a refrigerant inlet of the economizer (75), a first refrigerant outlet of the economizer (75) is connected with a refrigerant inlet of the evaporator (72), and a second refrigerant outlet of the economizer (75) is connected with a second refrigerant inlet of the compressor (73), the water inlet of the condenser (74) is connected with the water outlet of the heat exchanger (71), and the water outlet of the condenser (74) is connected with the water inlet of the heat exchanger (71).
6. The de-watering and drying system for distillers grains according to claim 5, wherein the hot air inlet (64) and the cold air outlet (65) of the drying chamber (60) are located directly below and above the middle of the conveyor.
7. The dewatering and drying system for distiller's grains according to claim 6, wherein the conveyor belt (62) is horizontally arranged, and the conveyor belt (62) is a mesh belt.
8. The vinasse dewatering and drying system according to claim 7, wherein a material distribution mechanism is arranged in the feed hopper (61) of the drying chamber (60), the material distribution mechanism comprises a stirring shaft (80), material shifting claws (81) and a material distribution roller, two ends of the stirring shaft (80) are respectively connected with two side walls of the feed hopper (61) through bearings, the stirring shaft (80) is horizontally arranged, the axial direction of the stirring shaft (80) is vertical to the conveying direction of the conveyor belt (62), one end of the stirring shaft (80) extends out of the feed hopper (61) and is connected with a driving motor, the material shifting claws (81) are uniformly distributed on the cylindrical surface of the stirring shaft (80) in a group of two as a group along the axial direction of the stirring shaft (80), the two material shifting claws (81) in each group of material shifting claws (81) are symmetrically distributed by taking the stirring shaft (80) as the center, the material distribution roller is arranged under the stirring shaft (80), the cloth roller includes two relative compression roller (82) that set up, and the both ends of two compression roller (82) are connected with the both sides wall of feeder hopper (61) through the bearing respectively, and two compression roller (82) one end is extended to feeder hopper (61) outside and is connected with driving motor and makes two compression roller (82) be close to the equal lapse of one side on the vertical plane in (mixing) shaft (80) place with the unloading.
9. The system for dewatering and drying distiller's grains according to claim 8, characterized in that gears (83) are respectively connected to one end of the two compression rollers (82) extending out of the feed hopper (61), the two gears (83) are meshed with each other, and the end of one compression roller (82) is connected with a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010427296.0A CN111578628A (en) | 2020-05-19 | 2020-05-19 | Lees dehydration drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010427296.0A CN111578628A (en) | 2020-05-19 | 2020-05-19 | Lees dehydration drying system |
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| CN111578628A true CN111578628A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010427296.0A Pending CN111578628A (en) | 2020-05-19 | 2020-05-19 | Lees dehydration drying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115096063A (en) * | 2022-05-25 | 2022-09-23 | 广州市通四海生物科技有限公司 | Winery waste resource recycling flow production line and control method |
| CN116901293A (en) * | 2023-09-11 | 2023-10-20 | 连云港永泰塑业有限公司 | Plastic particle drying treatment equipment for plastic production |
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| AT509457A4 (en) * | 2010-06-24 | 2011-09-15 | Econ Gmbh | DEVICE FOR WASTEWATERING GRANULES |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115096063A (en) * | 2022-05-25 | 2022-09-23 | 广州市通四海生物科技有限公司 | Winery waste resource recycling flow production line and control method |
| CN116901293A (en) * | 2023-09-11 | 2023-10-20 | 连云港永泰塑业有限公司 | Plastic particle drying treatment equipment for plastic production |
| CN116901293B (en) * | 2023-09-11 | 2023-11-28 | 连云港永泰塑业有限公司 | Plastic particle drying treatment equipment for plastic production |
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