CN2837751Y - Fluidized drier and moveable bed drier combined drying apparatus - Google Patents
Fluidized drier and moveable bed drier combined drying apparatus Download PDFInfo
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- CN2837751Y CN2837751Y CN 200420122399 CN200420122399U CN2837751Y CN 2837751 Y CN2837751 Y CN 2837751Y CN 200420122399 CN200420122399 CN 200420122399 CN 200420122399 U CN200420122399 U CN 200420122399U CN 2837751 Y CN2837751 Y CN 2837751Y
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- drying machine
- fluidized
- discharging opening
- mobile bed
- fluidized drying
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Abstract
The utility model relates to a novel drying apparatus of a fluidized drier combined with a moveable bed drier, which is adopted for granular and massive materials, particularly grain oil-bearing material. The utility model is characterized in that an upper exhaust gas ventilation pipe and a hot wind ventilation pipe of a hot wind inlet of the fluidized drier are connected with an air intake header of the moveable bed drier. A feeding hoisting machine on the fluidized drier is connected with a material outlet of the moveable bed drier, and a material outlet of the fluidized drier is connected with a feeding hoisting machine of a cooling machine, or a feeding hoisting machine of the moveable bed drier is connected with the material outlet of the fluidized drier. The material outlet of the moveable bed drier is connected with the feeding hoisting machine of the cooling machine. Thereby, the utility model adopting the method has advantages that the amount of precipitation is large, the material water content after being dried is uniform, the quality is good, the processing cost is low, the equipment height is degraded and the construction charge is reduced. The utility model is suitable for drying granular and massive materials with high water content, especially the grain oil-bearing material.
Description
Technical field
It is heat and the quality transmission in the multiphase system in the Fluidization Engineering that the utility model relates to, comprise between bed inner fluid and the particle, between particle and the particle, heat transmission between bed and the infiltration surface, the mixing of stream, solid phase diffusion in the bed, material is in alternate quality transmission, researchs such as the time of staying regularity of distribution of logistics.To graininess, sheet lump material, particularly grain oil plant carry out that drying has that precipitation is big, baking back material moisture evenly, advantage such as quality better, cost be low.
Background technology
Existing fluidized drying machine is in dry run, wet stock is generally under the effect of hot blast at drying medium, when the gas velocity of passing tilted-putted wind distributing hole plate is elevated to certain value, frictional force release on the plate between the granule materials, the local fluidization of material that percent opening is little flows forward, the local material fierceness that percent opening is big is gushed and is stirred, increased damp and hot exchange area greatly, roll owing to the material vigorous agitation again, significantly reduced the air film resistance, thereby it is big to have a dry tenacity, the simple volume of equipment is little, precipitation is even, no dead angle in the machine, advantages such as baking back quality better.But because the drying medium effect wet stock time is too short, generally in a few minutes, reach 14% when above for the big material precipitation of the high particle of moisture, need bigger fluidisation air quantity and long action time, adopt not only difficulty but also uneconomical of single fluidized drying mode.
Existing mobile bed drying machine, as be with horn shape ventilation boxlike rower drier, screen cloth pillar drying machine, venetian blind type drying machine etc., its mechanism of action is: under the gravity effect, wet stock is slow mobile status from top to bottom in machine, the gap increases between particle in this process, hot blast sees through the material Clearance Flow, but hot blast and material following current, adverse current, time and tide combines or cross-flow, in being in contact with one another process, realize damp and hot exchange, by increasing device height or transferring mode such as the dirty speed of slow material to prolong in the machine material and hot blast action time, thereby increase precipitation range, this kind equipment oven dry high moisture grain oil plant has used for many years, though it is big to have precipitation, flexible operation, advantages such as occupation area of equipment is little, but since drying medium such as the hot blast contact material time have have earlier after, the wind-warm syndrome high humility that contacts material at first is low, along with hot blast and wet stock carry out heat and mass, wind-warm syndrome reduces gradually, humidity raises gradually, the hot blast wind-warm syndrome that contacts material at last is minimum, the humidity maximum, thereby cause precipitation inhomogeneous; The material speed that moves down under the gravity effect is non-linear reduction extremely all around in the machine from the center in addition, even also can be inhomogeneous at the thermal medium effect descending water of same temperature humidity; Simultaneously because material and hot blast contact area are little, the hot blast speed of passing the storeroom gap is low, wet stock moves slowly, reasons such as surface air film resistance is big, thereby dry tenacity is low, need long action time when precipitation is higher, be in for a long time in the high humidity hot environment, can cause quality to descend as heat sensitive materials such as grain oil plants; Owing to material meeting nature classification in folding process, impurity can take care of the pence to stagnate and around the wall, can cause phenomenons such as logistics freely or does not flow when serious in machine simultaneously.All these deficiencies are determined by the design feature of mobile bed drying machine and drying principles, material moisture was inhomogeneous after its limitation must cause drying by the fire, difference is big, need long-time vexed baking when precipitation is higher, will inevitably cause that baking back materials quality descends, as dry by the fire the back corn and color and luster often occurs and turn white, become phenomenon such as crisp, frangible.
The utility model content
The purpose of this utility model is intended to overcome above-mentioned fluidized drying machine precipitation can not be once too high, mobile bed drying machine precipitation is inhomogeneous, deficiency such as baking back materials quality variation when precipitation is higher, and a kind of back novel dried equipment that material moisture is even, precipitation is big, materials quality is good that dries by the fire is provided.
The utility model is the novel dried equipment that the fluidized drying machine combines with the mobile bed drying machine, it is characterized in that the hot-blast main of tail gas airduct and hot blast import connects mobile bed drying machine air intake collection case on the fluidized drying machine; Charging elevator on the fluidized drying machine connects the discharging opening of mobile bed drying machine, fluidized drying machine discharging opening connects the charging elevator of cooler or connects the discharging opening of fluidized drying machine by the charging elevator of mobile bed drying machine, and the discharging opening of mobile bed drying machine connects the charging elevator of cooler.
The wind distributing hole plate that is furnished with the percent opening difference in the fluidized drying machine and is arranged alternately, has a down dip toward discharge end is provided with the valve plate of material thickness in the adjusting machine at wind distributing hole plate discharging end; The mobile bed drying machine mainly contains band ventilation horn shape boxlike rower drier, screen cloth pillar drying machine, types such as venetian blind type drying machine, its principle common ground all be by material under the gravity effect in slow folding process, the hot blast that under the effect of blower fan, has certain air quantity and blast, by band horn shape ventilation boxlike rower drier turnover wind horn shape box, or by the inside and outside orifice plate of screen cloth pillar drying machine, or pass shutter, pass at interval from the wet stock that slowly moves down, carry out damp and hot exchange, by oven dry repeatedly, or oven dry tempering technical process, again through the cooling section cooling, realize the precipitation process at last; Horn shape ventilation boxlike rower drier generally has multiple drying processes such as mixed flow, cross-flow, concurrent-countercurrent, following current, and screen cloth pillar drying machine generally adopts the crossing current drying process, and the venetian blind type drying machine generally adopts crossing current or mixed flow drying technology.
The utility model drying process and drying equipment, general wet stock again through fluidized drying, also can be to pass through mobile bed drying again through fluidized drying earlier earlier through mobile bed drying, and it is more even that the former dries by the fire the back material moisture than the latter.
The utility model drying equipment, dryer tail gas can partly or entirely be recycled, both can improve heat utilization efficiency, cut down finished cost, simultaneously contain certain moisture content in the tail gas, can prevent that the wet stock rapid precipitation that is heated suddenly from causing case-hardening (hinder internal moisture and spread to the top layer, cause inside and outside moisture stress difference to increase), both helped precipitation, and can eliminate because of the excessive quick-fried waist that causes of inside and outside water vapor pressure difference simultaneously again, split degradation deficiency under the hat quality.
In sum, the utility model is compared with the fluidized drying or the mobile bed drying that adopt single equipment, it is not too high to have overcome fluidized drying machine precipitation, though mobile bed drying machine precipitation height, but final moisture content difference is big, degradation deficiency under the quality, thereby it is big not only to have baking back precipitation, moisture is even, materials quality is good, and processing cost is low, the widely applicable outstanding advantage that waits, for the high-moisture granular material, particularly for Heilungkiang, Jilin, the Liao Dynasty woods, provinces and regions high-moisture corns such as the Inner Mongol, soybean, the drying of grain oil plants such as paddy rice is a kind of more satisfactory product, it is inhomogeneous that it can fundamentally solve extra-high-speed moisture grain oil plant final moisture content, quality this chronic disease that descends, thereby, will produce remarkable economic efficiency and social benefit along with it come into operation in a large number.
Description of drawings
Fig. 1 be the utility model earlier through the mobile bed drying machine after the structural representation of fluidized drying machine.
Fig. 2 be the utility model earlier through the fluidized drying machine after the structural representation of mobile bed drying machine.
Fig. 3 is the structural representation of the utility model fluidized drying machine.
Fig. 4 is the structural representation of the utility model fluidized drying machine wind distributing hole plate.
The specific embodiment
Earlier through the mobile bed drying machine again through the embodiment of fluidized drying machine:
Referring to Fig. 1,3,4, the utility model drying equipment is made up of mobile bed drying machine 1, fluidized drying machine 10, tempering cooler 22.High moisture material rises to the charging aperture 2 of mobile bed drying machine 1 by elevator 30, falls under material deadweight effect, closes wind section 4 through material stock, passes the passage 5 of 8 of passage 5, the air-out angular tubes of 7 of air intake angular tubes, is flowed out by discharging opening 3.Be furnished with multilayer air intake angular tube 7, air-out angular tube 8 in the machine, turnover wind angular tube 7,8 is alternately arranged, and the vertex of a cone of following one deck angular tube is positioned at the centre position between two angular tubes in upper strata.Wet stock is from top to bottom slowly in the moving process, under the effect of air-out collection case 9 end blower fans, adjust dish valve 19 by tail gas airduct 33,21 switches, introduce the tail gas (can all or part ofly utilize tail gas) of fluidized drying machine 10 from air inlet 17, or attract from the hot blast of the hot blast import 20 of hot-blast stove and the mist of tail gas by airduct 34, or (the above two are more energy-conservation directly to introduce hot blast from hot-blast stove by airduct 34 from hot blast import 20, can prevent high moisture material precipitation case-hardening rapidly suddenly again, more helping granule interior moisture gasifies to external diffusion, it is poor to reduce inside and outside steam pressure, also helps precipitation and keeps quality).Hot blast passes air intake angular tube 7 from air intake collection case 6 and is entered the wet stock gap by two side direction intermediate flow, carry out damp and hot exchange with wet stock after, flow out from air-out angular tube 8 again, draw by air-out collection case 9 end blower fans at last.Wet stock is through this dryer section, and so wet stock passes the passage 5 of 7,8 of multilayer turnover wind angular tubes and flows through the hot blast that passes in and out wind angular tube 7,8 and carries out repeated drying (tempering), realizes wet stock intensification precipitation purpose in mobile bed drying machine 1.The still higher high moisture material of moisture that flows out from discharging opening 3 rises to the charging aperture 11 of fluidized drying machine 10 by elevator 31, drops on the wind distributing hole plate 15, carries the hot blast of coming to pass eyelet on the wind distributing hole plate 15 by hot blast import 20.By adjusting the height of discharging opening 12 condiment valve plates 16, reach the wet stock fluidization condition on the air distribution plate hole 15 of falling.Material is flow regime forward in 13 smaller zones of percent opening, is the boiling turbulent state that rolls in bigger 18 zones of percent opening.So material seethes in the flow process in suspension and carries out heat and mass transfer process with thermal medium, material thickness can change material time of staying in machine on the wind distributing hole plate 15 by adjusting simultaneously, material carries out damp and hot exchange in suspension with seething flow process and hot blast maximum area, equably, intensely, thereby realize efficient, high-quality, even precipitation purpose, waste gas is discharged by the elbow on the fluidized drying machine 10 14, and baking back material is flowed out by discharging opening 12.The material that flows out is mentioned in the tempering cooler 22 by elevator 32, be furnished with the turnover wind angular tube with mobile bed drying machine 1 structural similarity in the machine, material by feeding mouth 23 flow through delay section 25, through multilayer air-out angular tube 28 and 27 material channels 26 of air intake angular tube.In the slow dropping process of material, under the effect of air-out collection case 29 end blower fans, cold wind with certain air quantity and blast sucks from air intake angular tube 27, opposite with the grain flow direction or consistent, the material gap is flow through from passage 26, be pooled to air-out collection case 29 by air-out angular tube 28 and discharge, reach the cooling purpose through the multilayer cooling section.Cool off xerophilous material at last and discharge, by conveying equipment or manually be sent to the depot safety storage by discharging opening 24.
Earlier through the fluidized drying machine again through the embodiment of the drying equipment of mobile bed drying machine:
Referring to Fig. 2,3,4, high moisture material rises to the charging aperture 11 of fluidized drying machine 10 by elevator 31, drops on the wind distributing hole plate 15, carries the hot blast of coming to pass eyelet on the wind distributing hole plate 15 by hot blast import 20.By adjusting the height of discharging opening 12 condiment valve plates 16, reach the wet stock fluidization condition on the air distribution plate hole 15 of falling.Material is flow regime forward in 13 smaller zones of percent opening, is the boiling turbulent state that rolls in bigger 18 zones of percent opening.So material seethes in the flow process in suspension and carries out heat and mass transfer process with thermal medium, material thickness can change material time of staying in machine on the wind distributing hole plate 15 by adjusting simultaneously, material seethes flow process and hot blast maximum area ground, carries out damp and hot exchange equably, intensely in suspension, realizes the uniform precipitation of high moisture material.Waste gas is discharged by the elbow on the fluidized drying machine 10 14, and baking back material is flowed out by discharging opening 12.Rise to the charging aperture 2 of mobile bed drying machine 1 again by elevator 30, under material deadweight effect, fall, close wind section 4 through material stock, pass the passage 5 of 8 of passage 5, the air-out angular tubes of 7 of air intake angular tubes, flow out by discharging opening 3.Be furnished with multilayer air intake angular tube 7, air-out angular tube 8 in the machine, turnover wind angular tube 7,8 is alternately arranged, and the vertex of a cone of following one deck angular tube is positioned at the centre position between two angular tubes in upper strata.Material is from top to bottom slowly in the moving process, under the effect of air-out collection case 9 end blower fans, adjust dish valve 19,21 switches by connecting fluidized drying machine (10) tail gas airduct 33, introduce the tail gas (can all or part ofly utilize tail gas) of fluidized drying machine 10 from air inlet 17, or attract from the hot blast of the hot blast import 20 of hot-blast stove and the mist of tail gas, or directly introduce hot blast (the above two are more energy-conservation) from hot blast import 20 from hot-blast stove by airduct 34 by airduct 34.Hot blast passes air intake angular tube 7 from air intake collection case 6 and is entered the material gap by two side direction intermediate flow, carry out damp and hot exchange with material after, flow out from air-out angular tube 8 again, draw by air-out collection case 9 end blower fans at last.Material is through this dryer section, and so material passes the passage 5 of 7,8 of multilayer turnover wind angular tubes and flows through the hot blast that passes in and out wind angular tube 7,8 and carries out repeated drying (tempering), realizes that material is long-time in mobile bed drying machine 1, the purpose of low temperature drying precipitation.Material flows out from discharging opening 3, the material that flows out is mentioned in the tempering cooler 22 by elevator 32, be furnished with the turnover wind angular tube with mobile bed drying machine 1 structural similarity in the machine, material by feeding mouth 23 flow through delay section 25, through multilayer air-out angular tube 28 and 27 material channels 26 of air intake angular tube.In the slow dropping process of material, under the effect of air-out collection case 29 end blower fans, cold wind with certain air quantity and blast sucks from air intake angular tube 27, opposite with the grain flow direction or consistent, the material gap is flow through from passage 26, be pooled to air-out collection case 29 by air-out angular tube 28 and discharge, reach the cooling purpose through the multilayer cooling section.Cool off xerophilous material at last and discharge, by conveying equipment or manually be sent to the depot safety storage by discharging opening 24.(drying equipment of this combination is even not as the former dries by the fire the back material moisture).
Other fluidized drying machine Processes and apparatus embodiment that combines with the mobile bed drying machine omits herein.
Claims (6)
1, the novel dried equipment that combines with the mobile bed drying machine of a kind of fluidized drying machine.The hot-blast main (34) that it is characterized in that last tail gas airduct (33) of fluidized drying machine (10) and hot blast import (20) connects mobile bed drying machine (1) air intake collection case (6); Charging elevator (31) on the fluidized drying machine (10) connects the discharging opening (3) of mobile bed drying machine (1), fluidized drying machine (10) discharging opening (12) connects the charging elevator (32) of cooler (22) or connects the discharging opening (12) of fluidized drying machine (10) by the charging elevator (30) of mobile bed drying machine (1), and the discharging opening (3) of mobile bed drying machine (1) connects the charging elevator (32) of cooler (22).
2, novel dried equipment as claimed in claim 1, the charging elevator (31) on the fluidized drying machine (10) joins with the discharging opening (3) of mobile bed drying machine (1); Be connected to tail gas airduct (33) on fluidized drying machine (10) top, the other end of tail gas airduct (33) is connected on the air intake collection case (6) of mobile bed drying machine (1), hot blast import (20) at fluidized drying machine (10) is connected with airduct (34), airduct (34) other end is received on the tail gas airduct (33), all is equipped with adjusting valve door (19,20) on two airducts; Discharging opening at fluidized drying machine (10) is connected to cooler (22), and the charging elevator (32) on the cooler is connected on the discharging opening (12) of fluidized drying machine (10).
3, novel dried equipment as claimed in claim 1, the charging elevator (30) on the mobile bed drying machine (1) joins with the discharging opening (12) of fluidized drying machine (10); Be connected to tail gas airduct (33) on fluidized drying machine (10) top, the other end of tail gas airduct (33) is connected on the air intake collection case of mobile bed drying machine (1) (6), hot blast import (20) at fluidized drying machine (10) is connected with airduct (34), airduct (34) other end is received on the tail gas airduct (33), all is equipped with adjusting valve door (19,21) on two airducts; Discharging opening at mobile bed drying machine (1) is connected to cooler (22), and the charging elevator (32) on the cooler is connected on the discharging opening (3) of mobile bed drying machine (1).
4, novel dried equipment as claimed in claim 1, it is characterized in that being provided with in the fluidized drying machine (10) wind distributing hole plate (15), its orifice plate is the percent opening difference and is alternately layout (13,18) of segmentation that having a down dip to discharging opening from charging aperture is installed in the air compartment.
5, novel dried equipment as claimed in claim 1 is characterized in that middle wind distributing hole plate (15) discharging opening (12) of fluidized drying machine (10) is provided with the condiment valve plate (16) of material thickness in the adjusting machine.
6, novel dried equipment as claimed in claim 1 is characterized in that mobile bed drying machine (1) is band horn shape ventilation boxlike rower drier, screen cloth pillar drying machine, or the venetian blind type drying machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420122399 CN2837751Y (en) | 2004-12-21 | 2004-12-21 | Fluidized drier and moveable bed drier combined drying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420122399 CN2837751Y (en) | 2004-12-21 | 2004-12-21 | Fluidized drier and moveable bed drier combined drying apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN2837751Y true CN2837751Y (en) | 2006-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420122399 Expired - Fee Related CN2837751Y (en) | 2004-12-21 | 2004-12-21 | Fluidized drier and moveable bed drier combined drying apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261826A (en) * | 2011-06-15 | 2011-11-30 | 大连理工大学 | Air flow-jetting-moving bed dryer with internal heat exchanger |
| CN102519223A (en) * | 2011-12-27 | 2012-06-27 | 中国科学院过程工程研究所 | Wide size distributed material dehumidifying pretreatment device |
| CN102019275B (en) * | 2009-09-18 | 2013-11-27 | 中冶焦耐(大连)工程技术有限公司 | Airflow classifying and airflow drying process for coking coal |
| CN103756782A (en) * | 2014-02-12 | 2014-04-30 | 中国农业科学院油料作物研究所 | Vegetable oil preparation method |
| CN110963728A (en) * | 2019-12-25 | 2020-04-07 | 泰安杰普石膏科技有限公司 | Air-floating type gypsum aging equipment and using method thereof |
| CN111336771A (en) * | 2020-03-03 | 2020-06-26 | 济宁学院 | Grain drying device and method |
-
2004
- 2004-12-21 CN CN 200420122399 patent/CN2837751Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019275B (en) * | 2009-09-18 | 2013-11-27 | 中冶焦耐(大连)工程技术有限公司 | Airflow classifying and airflow drying process for coking coal |
| CN102261826A (en) * | 2011-06-15 | 2011-11-30 | 大连理工大学 | Air flow-jetting-moving bed dryer with internal heat exchanger |
| CN102519223A (en) * | 2011-12-27 | 2012-06-27 | 中国科学院过程工程研究所 | Wide size distributed material dehumidifying pretreatment device |
| CN103756782A (en) * | 2014-02-12 | 2014-04-30 | 中国农业科学院油料作物研究所 | Vegetable oil preparation method |
| CN110963728A (en) * | 2019-12-25 | 2020-04-07 | 泰安杰普石膏科技有限公司 | Air-floating type gypsum aging equipment and using method thereof |
| CN110963728B (en) * | 2019-12-25 | 2024-06-04 | 泰安杰普石膏科技有限公司 | Air-floating gypsum aging equipment and using method thereof |
| CN111336771A (en) * | 2020-03-03 | 2020-06-26 | 济宁学院 | Grain drying device and method |
| CN111336771B (en) * | 2020-03-03 | 2021-08-03 | 济宁学院 | Grain drying device and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |