CN108332485B - Material screening and grading cooling system for feed production - Google Patents
Material screening and grading cooling system for feed production Download PDFInfo
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- CN108332485B CN108332485B CN201810353846.1A CN201810353846A CN108332485B CN 108332485 B CN108332485 B CN 108332485B CN 201810353846 A CN201810353846 A CN 201810353846A CN 108332485 B CN108332485 B CN 108332485B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
- F25D13/06—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Abstract
The invention relates to a material screening and grading cooling system for feed production, which comprises a primary air-assisted cooling unit, a particle grading device, a pulverizer, a storage bin and a secondary air-assisted cooling unit.
Description
Technical Field
The invention relates to the technical field of equipment for conveying and cooling powder and granular loose materials such as vinasse protein feed, in particular to a material screening and grading cooling system for feed production.
Background
DDGS (English name: distillers Dried Grains with Solubles, chinese name: whole stillage stoving feed) is produced by separating stillage liquid into two parts of filter residue and filtrate by a centrifuge, evaporating and concentrating the filtrate, drying the filtrate together with the filter residue, wherein a tube bundle dryer is mainly used in the current DDGS production, and because the temperature of the materials discharged after being dried by the tube bundle dryer is higher, and in the tube bundle dryer drying process, part of the materials are bonded into blocks, and the block-shaped material particles are larger and unsuitable for feed production, therefore, the materials dried by the tube bundle dryer are usually required to be sent to a cooler for cooling after the materials are dried, are sent to a temporary storage buffer bin through a Roots blower after being cooled, and are crushed by a crusher and sent to a packaging bin through a bucket elevator and a buried scraper conveyor. The existing technology is complex, the equipment quantity is large, the equipment investment is large, the energy consumption is high, the cooling effect is poor, the occupied area is large, and the maintenance cost is high. In a high-temperature environment, the cooling efficiency is low, the cooling effect is poor, and the energy consumption of the cooling equipment is high. In addition, larger-particle impurities, such as screws, nuts, iron blocks, stones and the like, can appear in the drying process of the tube bundle dryer, and the hard impurities enter the pulverizer to cause damage to the pulverizer. And the materials entering the pulverizer are not classified, all the materials and impurities can be pulverized in the pulverizer, and the materials meeting the requirements on feed granularity in the materials are not needed to be pulverized, so that the pulverizer has overlarge power consumption, more idle work and serious energy waste.
Disclosure of Invention
In summary, in order to overcome the defects of the prior art, the invention provides a material screening and grading cooling system for feed production, which is characterized in that a two-stage air-assisted cooling device is designed, materials dried by a tube bundle dryer are firstly subjected to air-assisted cooling by the first-stage air-assisted cooling device and then enter a particle grading device, impurities such as stone iron blocks and the like are screened and removed, materials meeting the feed production requirement are directly subjected to air-assisted cooling device, and materials with larger particle size and not meeting the feed production requirement enter a pulverizer for pulverization, so that the purposes of saving energy sources, protecting the pulverizer, improving the pulverization efficiency and the material conveying cooling efficiency are achieved, and a refrigeration heat exchange device is arranged in the particle grading device to improve the cooling efficiency and ensure the cooling effect in a high-temperature environment.
In order to solve the technical problems, the invention adopts the following technical scheme:
a feed production is with material screening hierarchical cooling system, wherein: comprises a primary air-assisted cooling unit, a particle grading device, a pulverizer and a stock bin; the primary air-conveying cooling unit comprises a primary air supply pipe, a primary discharger, a primary dust remover, a primary induced draft fan, a primary discharge air closer and a primary dust remover air closer; the air inlet of the primary air supply pipe is communicated with the discharge port of the tube bundle dryer, the discharge port of the primary air supply pipe is communicated with the air inlet of the primary discharger, the air outlet at the upper part of the primary discharger is communicated with the air inlet of the primary induced draft fan, the air outlet of the primary induced draft fan is communicated with the air inlet of the primary dust remover, the discharge port of the primary discharger is connected with the feed port of the primary discharge air closer, the discharge port of the primary dust remover is connected with the feed port of the primary dust remover, and the discharge ports of the primary discharge air closer and the primary dust remover are both connected with the feed port of the particle classification device;
the particle classifying device comprises a classifying shell, a screen, a material inlet, an impurity outlet, an air conveying port, a material outlet, a heat exchanger and a heat exchange air inlet, wherein the material inlet is formed in the upper end of the classifying shell, the air conveying port is formed in one side of the classifying shell, the heat exchange air inlet is formed in the other side of the classifying shell, the impurity outlet and the material outlet are formed in the lower end of the classifying shell, the screen and the heat exchanger are arranged in the classifying shell in an inclined mode, the inner cavity of the classifying shell is divided into a coarse particle chamber and a fine particle chamber by the screen, the heat exchanger is arranged in the coarse particle chamber of the shell and is close to the heat exchange air inlet, the material inlet and the impurity outlet are communicated with the coarse particle chamber, the air conveying port and the material outlet are communicated with the fine particle chamber, the material outlet is communicated with a feeding port of a crusher, the feeding port of the crusher is communicated with a feeding port of a bin, the feeding port of the bin is connected with a packaging device, and the heat exchanger is communicated with a cooling water source through a pipeline.
The technical scheme of the invention can also be realized in such a way that a secondary air-conveying cooling unit is arranged between the bin and the air-conveying port of the particle grading device and between the bin and the discharging port of the pulverizer, and comprises a secondary air-conveying pipe, a secondary discharger, a secondary dust remover, a secondary induced draft fan, a secondary discharge air closer and a secondary dust removal air closer; the utility model provides a secondary air blast pipe's feed inlet respectively through the air supply opening of pipeline intercommunication rubbing crusher's discharge gate and granule grading plant, the discharge gate of secondary air blast pipe pass through the air intake and the feed inlet of feed bin of pipeline intercommunication secondary tripper respectively, secondary tripper upper portion air outlet and the air intake intercommunication of secondary draught fan, secondary draught fan air outlet and secondary dust remover's air intake intercommunication, the discharge gate of secondary tripper and the feed inlet intercommunication of secondary discharge air closer, the discharge gate of secondary dust remover and the feed inlet intercommunication of secondary dust removal air closer, the discharge gate of secondary discharge air closer and secondary dust removal air closer all communicate with the feed inlet of feed bin.
The technical scheme of the invention can also be realized in such a way that a first air regulating valve is arranged on a pipeline for communicating the feed inlet of the secondary air supply pipe with the air supply port of the particle classification device, and a second air regulating valve is arranged on a pipeline for communicating the feed inlet of the secondary air supply pipe with the discharge port of the pulverizer.
The technical scheme of the invention can also be realized in such a way that a first control valve is arranged on a connecting pipeline between a discharge hole of the secondary air supply pipe and an air inlet of the secondary discharger, and a second control valve and a third induced draft fan are arranged on a connecting pipeline between the discharge hole of the secondary air supply pipe and a feed inlet of the storage bin.
The technical scheme of the invention can also be realized in such a way that the impurity outlet of the particle grading device is provided with a plugboard valve.
The technical scheme of the invention can also be realized in such a way that the inclination angle of the screen of the particle classifying device is 30-60 degrees.
The technical scheme of the invention can also be realized in such a way that the heat exchanger is a fin heat exchanger.
The technical scheme of the invention can also be realized in such a way that the primary discharger and the secondary discharger are both cyclone discharger.
The technical scheme of the invention can also be realized in such a way that the primary dust remover and the secondary dust remover are cyclone dust removers.
The beneficial effects of the invention are as follows:
1. the invention uses the primary air blast pipe to cool and air-feed the dried high-temperature material once, the material enters the primary discharger and the primary dust remover through negative pressure air, and the material is cooled while air-fed; the material after once cooling gets into granule grading plant, and impurity such as stone in the material, iron plate are sieved out, and the tiny powdery material of granule is sent into the feed bin by direct wind, and the slightly big material of granule gets into the pulverizer and smashes to the granularity that accords with the fodder production requirement after being carried into the feed bin again, and the required equipment quantity of material cooling is many in the current fodder production process of solution in the cooling of air-borne while can effectually, and equipment investment is big, and the energy consumption is high, and the cooling effect is poor, and area is big, maintenance cost scheduling problem.
2. The particle grading device can effectively remove impurities such as stones and iron blocks in the once cooled materials, prevent the impurities from entering the storage bin and the pulverizer, protect the pulverizer, and can directly convey the materials meeting the requirements of feed production to the storage bin for storage without entering the pulverizer for pulverization, so that the energy consumption of the pulverizer is reduced, and the energy is saved.
3. The heat exchange air inlet of the particle classifying device is provided with the heat exchanger, the heat exchanger is communicated with the cooling water source through the pipeline, the cooling water source and the heat exchanger are utilized to cool the air entering the particle classifying device, then the cooled air is utilized to cool the primary cooled material in a secondary air conveying manner, the cooling efficiency is improved, the cooling effect is ensured, and the material can be cooled even in a high-temperature environment.
4. According to the invention, the air regulating valves are arranged on the pipelines of which the feed inlet of the secondary air supply pipe is communicated with the air feed inlet of the particle classifying device and the pipelines of which the feed inlet of the secondary air supply pipe is communicated with the discharge outlet of the pulverizer, and the air regulating valves can be arranged to regulate the ventilation quantity of the pipelines, so that the material conveying efficiency and the particle thickness of the materials can be regulated, the large-particle materials can be conveyed when the wind power is large, the small-particle materials can be conveyed when the wind power is small, and the product quality can be controlled.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the particle classifying apparatus of the present invention.
A primary air supply pipe 1; a primary discharger 2; a primary dust remover 3; a primary induced draft fan 4; a primary discharging air shutter 5; 1. a stage dust removal air shutter 6; a particle classifying device 7; a pulverizer 8; a first damper 9; a second damper 10; a secondary air supply pipe 11; a secondary discharger 12; a secondary dust remover 13; a secondary induced draft fan 14; a secondary discharge airlock 15; a secondary dust removal air shutter 16; a first control valve 17; a second control valve 18; a silo 19; a packaging device 20; a third induced draft fan 21; a classifying case 71; a screen 72; a material inlet 73; an impurity outlet 74; an air supply port 75; a material outlet 76; a fine particle chamber 77; coarse particle chamber 78; a heat exchange air inlet 79; heat exchanger 710, cooling water source 711.
Description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a material screening and grading cooling system for feed production comprises a primary air-assisted cooling unit, a particle grading device 7, a pulverizer 8 and a stock bin 19; the primary air-conveying cooling unit comprises a primary air-conveying pipe 1, a primary discharger 2, a primary dust remover 3, a primary induced draft fan 4, a primary discharge air closer 5 and a primary dust removal air closer 6; the utility model provides a discharge gate of one-level wind blast pipe 1's feed inlet intercommunication tube bank desiccator, the feed inlet intercommunication of one-level wind blast pipe 1 and the inlet intercommunication of one-level tripper 2, one-level tripper 2 upper portion air outlet and one-level draught fan 4 air intake intercommunication, the air outlet of one-level draught fan 4 and the air intake intercommunication of one-level dust remover 3, the feed inlet of one-level tripper 5 is closed in the connection of the discharge gate of one-level tripper 2, the feed inlet of one-level dust remover 6 is closed in the connection of the discharge gate of one-level dust remover 3, the feed inlet of one-level dust remover 5 and the equal granule grading plant 7 of discharge opening of one-level dust remover 6 be connected.
The particle classifying device 7 comprises a classifying shell 71, a screen 72, a material inlet 73, an impurity outlet 74, an air inlet 75, a material outlet 76, a heat exchanger 710 and a heat exchange air inlet 79, wherein the screen 72 and the heat exchanger 710 are arranged in the classifying shell 71, the material inlet 73 is arranged at the upper end of the classifying shell 71, the air inlet 75 is arranged at one side of the classifying shell 71, a hot air inlet 79 is arranged at the other side of the classifying shell, the impurity outlet 74 and the material outlet 76 are arranged at the lower end of the classifying shell 71, the screen 72 is obliquely arranged in the classifying shell 71, the inclination angle of the screen 72 is 60 degrees, the inner cavity of the classifying shell 71 is divided into a coarse particle chamber 78 and a fine particle chamber 77 by the screen 72, the heat exchanger 710 is a fin heat exchanger which is communicated with a cooling water source 711 by a pipeline, the heat exchanger 710 is arranged in the position close to the heat exchange air inlet 79 in the coarse particle chamber 78, the heat exchange air inlet 79, the material inlet 73 and the impurity outlet 74 are communicated with the coarse particle chamber 78, the impurity outlet 74 is provided with a plugboard valve, the air inlet 75 and the material outlet 76 are communicated with the fine particle chamber 77, the material outlet 76 is communicated with the feed inlet of the pulverizer 8, the air inlet 75 is communicated with the feed inlet of the secondary air supply pipe 11 through a pipeline, the pipeline is provided with the first air regulating valve 9, the discharge outlet of the pulverizer 8 is communicated with the feed inlet of the secondary air supply pipe 11 through a pipeline, the pipeline is provided with the second air regulating valve 10, the discharge outlet of the secondary air supply pipe 11 is communicated with the air inlet of the secondary discharger 12 through a pipeline, the pipeline is provided with the first control valve 17, the discharge outlet of the secondary air supply pipe 11 is communicated with the feed inlet of the bin 19 through a pipeline, the pipeline is provided with the second control valve 18 and the third induced draft fan 21, the upper air outlet of the secondary discharger 12 is communicated with the air inlet of the secondary induced draft fan 14, the air outlet of the secondary induced draft fan 14 is communicated with the air inlet of the secondary dust remover 13, the discharge outlet of the secondary discharger 12 is communicated with the feed inlet of the secondary dust removal air closer 15, the discharge outlet of the secondary dust remover 13 is communicated with the feed inlet of the secondary dust removal air closer 16, and the discharge outlets of the secondary dust removal air closer 15 and the secondary dust removal air closer 16 are communicated with the feed inlet of the storage bin 19. The discharge port of the storage bin 19 is connected with a packaging device 20. The secondary air supply pipe 11, the secondary discharger 12, the secondary dust remover 13, the secondary induced draft fan 14, the secondary discharge air closer 15 and the secondary dust removal air closer 16 form the secondary air supply cooling unit of the invention.
The primary discharger 2 and the secondary discharger 12 are cyclone discharger. The primary dust remover 3 and the secondary dust remover 13 are cyclone dust removers.
When the secondary air-assisted cooling unit is used, under the condition that the external environment temperature is low in winter, the secondary air-assisted cooling unit can not work, at the moment, the first air adjusting valve 9 and the second air adjusting valve 10 are opened, the first control valve 17 is closed, the second control valve 18 is opened, the third air inducing machine 21 is opened, the dried materials of the tube bundle dryer enter the primary air-assisted air pipe 1 from the discharge port of the tube bundle dryer, the materials are conveyed to the primary discharger 2 through negative pressure air, the materials are conveyed and simultaneously subjected to air cooling, meanwhile, the materials can be conveyed and continuously dried through wind power, the materials move downwards to the primary discharge air closer 5 in a centrifugal cyclone shape in the primary discharger 2, the powdery materials with smaller particles in the materials are pumped out from the air outlet of the primary discharger 2 under the action of the primary induced fan 4 and blown to the primary dust remover 3 through the primary induced fan 4, the materials fall into the primary dust remover 6 after centrifugal cyclone flow, and the materials of the primary dust remover air closer 5 are collected and discharged from the air outlet of the primary dust remover 3; the materials discharged by the primary discharging air closer 5 and the primary dedusting air closer 6 enter a grading shell 71 of a particle grading device 7, after being screened by a screen 72, impurities such as iron blocks and stones in the materials cannot pass through the screen and are discharged from an impurity outlet 74, the materials of which the particles meet the requirements of feed production in the materials enter a storage bin 19 for storage under the action of air conveying, and the materials of which the particles are slightly not met with the requirements of feed production are discharged from a material outlet 76 and enter a crusher 8 for crushing, and the crushed materials enter the storage bin 19 for storage after being crushed by the crusher 8.
When the external environment temperature is higher in summer, the secondary air-assisted cooling unit of the invention participates in working, at the moment, the first air-assisted valve 9 and the second air-assisted valve 10 are opened, the first control valve 17 is opened, the second control valve 18 is closed, the third induced draft fan 21 is closed, the materials which are air-assisted cooled by the primary air-assisted cooling unit enter the grading shell 71 of the particle grading device 7, after being screened by the screen 72, the impurities such as iron blocks and stone blocks in the materials can not pass through the screen, and are discharged from the impurity outlet 74, the materials of which the particles meet the feed production requirement enter the secondary discharger 12 under the action of the secondary induced draft fan 14, the materials of which the particles are slightly more than the feed production requirement enter the crusher 8 for crushing through the material outlet 76, the materials enter the secondary discharger 12 after being crushed by the crusher 8, the materials which are air-assisted cooled by the secondary air-assisted cooling unit enter the storage bin 19 for storage according to the air-assisted cooling principle which is the same as that of the primary air-assisted cooling unit, and finally are packaged and transported by the packaging equipment 20.
When the temperature of the external environment in the summer of the south area is high, the heat exchanger 710 of the secondary air-assisted cooling unit and the particle grading device 7 participates in working, the cooling water source 711 is started, the cooling water enters the heat exchanger 710, the air entering the grading shell 71 through the heat exchange air inlet 79 is firstly subjected to heat exchange with the cooling water in the heat exchanger 710, the air is cooled down and cooled to be cold air, and the cold air participates in the air-assisted cooling of the secondary air-assisted cooling unit, so that the cooling effect of the secondary air-assisted cooling is improved, and the cooling efficiency is improved.
According to the invention, the first air regulating valve 9 and the second air regulating valve 10 are arranged, the air quantity can be regulated by regulating the first air regulating valve 9 and the second air regulating valve 10, the opening degree of the first air regulating valve 9 and the second air regulating valve 10 is increased, the air quantity is increased, the material conveying can be increased, the conveying efficiency is improved, the materials with larger granularity can be conveyed, the opening degree of the first air regulating valve 9 and the second air regulating valve 10 is reduced, the air quantity is reduced, the material conveying efficiency is reduced, and the material conveying with finer conveying granularity is realized. That is, the first air regulating valve 9 and the second air regulating valve 10 can regulate the air-conveying cooling efficiency of the materials, and can also regulate the granularity of the conveyed materials according to the requirement. Adjusting the granularity of the product and controlling the quality of the product.
The pulverizer 8 of the invention can be a hammer pulverizer 8, and other types of pulverizer 8 can be selected according to the process; according to the process requirements, the installation angle of the screen 72 and the diameter of the mesh holes of the screen 72 can be adjusted as required to achieve a better screening effect.
It should be noted that the above-mentioned embodiments illustrate rather than limit the technical solution of the present invention, and that those skilled in the art may substitute equivalents or other modifications made according to the prior art, without departing from the spirit and scope of the technical solution of the present invention, and are included in the scope of the claims.
Claims (9)
1. A feed production is with material screening hierarchical cooling system which characterized in that: comprises a primary air-assisted cooling unit, a particle grading device (7), a pulverizer (8) and a stock bin (19); the primary air-conveying cooling unit comprises a primary air-conveying pipe (1), a primary discharger (2), a primary dust remover (3), a primary induced draft fan (4), a primary discharge air closer (5) and a primary dust removal air closer (6), wherein a feed inlet of the primary air-conveying pipe (1) is communicated with a feed outlet of a tube bundle dryer, a feed outlet of the primary air-conveying pipe (1) is communicated with an air inlet of the primary discharger (2), an air outlet at the upper part of the primary discharger (2) is communicated with an air inlet of the primary induced draft fan (4), an air outlet of the primary induced draft fan (4) is communicated with an air inlet of the primary dust remover (3), a feed outlet of the primary discharger (2) is connected with a feed inlet of the primary dust removal air closer (6), and discharge inlets of the primary dust removal air closer (5) and the primary dust removal air closer (6) are connected with feed inlets of a particle classification device (7);
the particle classifying device (7) comprises a classifying shell (71), a screen (72), a material inlet (73), an impurity outlet (74), an air feeding port (75), a material outlet (76), a heat exchanger (710) and a heat exchange air inlet (79), wherein the material inlet (73) is arranged at the upper end of the classifying shell (71), the air feeding port (75) is arranged at one side of the classifying shell (71), the heat exchange air inlet (79) is arranged at the other side of the classifying shell, the impurity outlet (74) and the material outlet (76) are arranged at the lower end of the classifying shell (71), the screen (72) and the heat exchanger (710) are arranged in the classifying shell (71) in an inclined mode, the screen (72) divides the inner cavity of the classifying shell (71) into a coarse particle chamber (78) and a fine particle chamber (77), the heat exchanger (710) is arranged in the coarse particle chamber (78) of the shell and is close to the heat exchange air inlet position, the heat exchange air inlet (79), the material inlet (73) and the impurity outlet (74) are communicated with the coarse particle chamber (78), the air feeding port (75) and the material outlet (76) are communicated with the fine particle chamber (77), the fine particle chamber (76) is communicated with the material inlet (8), the air feeding port (75) is communicated with a feeding port of the bin (19), a discharging port of the pulverizer (8) is communicated with the feeding port of the bin (19), the discharging port of the bin (19) is connected with the packaging equipment (20), and the heat exchanger (710) is communicated with the cooling water source (711) through a pipeline.
2. The feed production material screening and classifying cooling system according to claim 1, wherein: a secondary air-conveying cooling unit is arranged between the bin (19) and an air-conveying port (75) of the particle classification device (7) and a discharge port of the pulverizer (8), and comprises a secondary air-conveying pipe (11), a secondary discharger (12), a secondary dust remover (13), a secondary induced draft fan (14), a secondary discharge air-blocking device (15) and a secondary dust removal air-blocking device (16); the utility model provides a feed inlet of second grade wind blast pipe (11) feed inlet (75) of discharge gate and granule grading plant (7) through pipeline intercommunication rubbing crusher (8) respectively, the discharge gate of second grade wind blast pipe (11) feed inlet and feed inlet of feed bin (19) of second grade tripper (12) through the pipeline respectively, second grade tripper (12) upper portion air outlet communicate with the air intake of second grade draught fan (14), second grade induced draft fan (14) air outlet communicate with the air intake of second grade dust remover (13), the discharge gate of second grade tripper (12) communicate with the feed inlet of second grade discharge air closer (15), the discharge gate of second grade dust remover (13) communicate with the feed inlet of second grade dust removal air closer (16), the discharge gate of second grade discharge air closer (15) and second grade dust removal air closer (16) all communicate with the feed inlet of feed bin (19).
3. The feed production material screening and classifying cooling system according to claim 2, wherein: the feeding port of the secondary air supply pipe (11) is provided with a first air regulating valve (9) on a pipeline communicated with the air supply port (75) of the particle classifying device (7), and the pipeline communicated with the feeding port of the secondary air supply pipe (11) and the discharge port of the pulverizer (8) is provided with a second air regulating valve (10).
4. The feed production material screening and classifying cooling system according to claim 2, wherein: the secondary air supply pipe is characterized in that a first control valve (17) is arranged on a connecting pipeline between a discharge port of the secondary air supply pipe (11) and an air inlet of the secondary discharger (12), and a second control valve (18) and a third induced draft fan (21) are arranged on a connecting pipeline between a discharge port of the secondary air supply pipe (11) and a feed port of the storage bin (19).
5. The feed production material screening and classifying cooling system according to claim 1, wherein: the impurity outlet (74) of the particle grading device (7) is provided with a plugboard valve.
6. The feed production material screening and classifying cooling system according to claim 1, wherein: the inclination angle of the screen (72) of the particle grading device (7) is 30-60 degrees.
7. The feed production material screening and classifying cooling system according to claim 1, wherein: the heat exchanger (710) of the particle classifying device (7) is a fin heat exchanger.
8. The feed production material screening and classifying cooling system according to claim 2, wherein: the primary discharger (2) and the secondary discharger (12) are cyclone discharger.
9. The feed production material screening and classifying cooling system according to claim 2, wherein: the primary dust remover (3) and the secondary dust remover (13) are cyclone dust removers.
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| CN201810353846.1A CN108332485B (en) | 2018-04-19 | 2018-04-19 | Material screening and grading cooling system for feed production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810353846.1A CN108332485B (en) | 2018-04-19 | 2018-04-19 | Material screening and grading cooling system for feed production |
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| CN108332485B true CN108332485B (en) | 2023-09-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253465B1 (en) * | 1998-11-02 | 2001-07-03 | Kawasaki Jukogyo Kabushiki Kaisha | Multi-chamber fluidized bed-carrying classifier |
| JP2011163583A (en) * | 2010-02-05 | 2011-08-25 | Panasonic Corp | Cold insulation rice dispenser |
| CN203598898U (en) * | 2013-12-15 | 2014-05-21 | 白银普瑞特化工有限公司 | Material crushing system |
| CN205403417U (en) * | 2016-03-04 | 2016-07-27 | 天津市郁峰化工有限公司 | Calcium hypochlorite flash drying equipment |
| CN208269485U (en) * | 2018-04-19 | 2018-12-21 | 郑州博大浓缩干燥设备有限公司 | Feed Manufacturing material sieving and grading cooling system |
-
2018
- 2018-04-19 CN CN201810353846.1A patent/CN108332485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253465B1 (en) * | 1998-11-02 | 2001-07-03 | Kawasaki Jukogyo Kabushiki Kaisha | Multi-chamber fluidized bed-carrying classifier |
| JP2011163583A (en) * | 2010-02-05 | 2011-08-25 | Panasonic Corp | Cold insulation rice dispenser |
| CN203598898U (en) * | 2013-12-15 | 2014-05-21 | 白银普瑞特化工有限公司 | Material crushing system |
| CN205403417U (en) * | 2016-03-04 | 2016-07-27 | 天津市郁峰化工有限公司 | Calcium hypochlorite flash drying equipment |
| CN208269485U (en) * | 2018-04-19 | 2018-12-21 | 郑州博大浓缩干燥设备有限公司 | Feed Manufacturing material sieving and grading cooling system |
Non-Patent Citations (1)
| Title |
|---|
| 粉碎机辅助吸风系统的合理配置;陈福元;广东农机(02);第19-20页 * |
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| CN108332485A (en) | 2018-07-27 |
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