Portable circulating grain products dryer
Affiliated technical field
The utility model belongs to grain drying machinery, mainly proposes a kind of portable circulating grain products dryer.
Background technology
Domestic grain drying device, in recent years along with central grain depot construction, large-scale fixedly tower dryer has obtained application, along with the further understanding to safe grain storage, dryers such as fluidisation slot type dryer also appear on the market in succession, but fixedly the tower dryer investment is big, cycle is long, simultaneously, dries inhomogeneous, unevenness surpasses 2% to 4%, the percentage of damage height, power consumption, contaminated environment, though supporting with national large granary, still be badly in need of perfect.Fluidisation slot type dryer needs the hot blast temperature height, and drying time is short, belongs to rapid heating, drying of short time, and grain quality is difficult to guarantee.Mostly the dryer of other structure is that treating capacity is little, and power consumption is big, and the precipitation about 5% of once installing must carry out secondary or repeated drying, oven dry cost height.The speed that China's grain drying machine is applied is slower, and its main cause is fixing rower drier exactly, invests greatlyyer, and the platform price generally surpasses 1,000,000 yuans, oven dry cost height, and medium and small grain depot, dealer, big farming household are difficult to bear.The poor formula dryer precipitation range of fluidisation is little, needs secondary or repeated drying, and baking back inferior quality, and it is higher, time-consuming to consume energy.The high moisture content grain of other form dryers precipitation range is less, and accommodation is little, thereby has influenced the enthusiasm that grain drying machine is promoted the use of, and carries out artificial airing so a large portion purchasing enterprise and rural area are still by the sky.In recent years, because the raising year by year of grain yield, the area of high-quality grain, special-purpose grain constantly enlarges, and the reform of grain circulation system, be badly in need of a kind of tallying with the national condition of design, small investment, advanced technology, stable performance, easy to use are applicable to the dryer of new generation that medium and small grain depot, crop cultivation speciality family, major dealer use.
Summary of the invention
The purpose of this utility model promptly is to propose a kind of portable circulating grain products dryer, makes that it has reasonable in design, grain-drying is effective and the low characteristics of oven dry cost.
The utility model is finished the technical scheme that its invention task takes: it mainly produces conveying mechanism by drying tower, bucket elevator, hot blast and constitutes, and drying tower comprises grain storage delay section, oven dry section and the draining crop mechanism on top; It is characterized in that: described bucket elevator is vertical to be provided with and to connect firmly with the drying tower tower body, the top of bucket elevator is connected with drying tower by elephant trunk, the circulation conveyer is set in the bottom of drying tower draining crop mechanism, and the corresponding circulation of bucket elevator is provided with charging aperture with conveyer.
The portable circulating grain products drying machine structure that the utility model proposes is designed to integral movable type, and its mobile operation can be handled with regard to the storehouse oven dry, has saved expense of removing down and construction investment in a large number.The structure of design cycle operation is all arranged grain, batch cycle, and how high no matter go into machine grain moisture content, and once installation can drop to safe moisture content, and oven dry is evenly, and is best in quality.
The technical process that the utility model adopts the circulation of oven dry-refluences-tempering-oven dry-refluence-tempering-cooling to dry, it has following characteristics: 1., global design, and compact conformation, movable operation, it is low to dry cost, high efficiency; 2., circulation row's grain, the heat utilization efficiency height, once installation, high moisture content grain can drop to safe moisture, precipitation range is big; 3., the cereal uniform drying, color and luster is constant, and is best in quality, good drying effect.This dryer can be widely used in grain depot, plantation and operation specialist, seed base.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.
Among the figure, 1, bucket elevator, 2, elephant trunk, 3, the grain storage delay section, 4, exhaust duct, 5, warm-air pipe, 6, blast pipe, 7, grain is poor down, 8, delivery plate, 9, cyclic conveyor, 10, move wheel, 11, blower fan, 12, hot-blast stove, 13, charging aperture.
The specific embodiment
The embodiment that provides is in conjunction with the accompanying drawings further specified its structure:
As shown in Figure 1, the utility model is mainly produced conveying mechanism and is circulated by drying tower, bucket elevator 1, hot blast and constitutes with conveyer 9; Wherein bucket elevator 1 vertically is provided with and connects firmly with the drying tower tower body; The arranged outside of bucket elevator 1 bottom has cereal charging aperture 13, by mode artificial, the machine feeding cereal is sent into bucket elevator 1 by charging aperture 13, and enter in the drying tower by elephant trunk 2 by the top of bucket elevator 1, the top of drying tower is grain storage delay section 3, when grain-drying carries out recurrent state, the cereal of drying has been got rid of portion of water, enter the top of drying tower again through elevator, outwards evaporate at the stuffy moisture of cereal inner core that makes of this section, it is inside and outside consistent to reach seed moisture, it is thorough to be convenient to secondary drying, reaches safe water content.The grain storage delay section is the prior art of existing grain drying device.Multilayer warm-air pipe 5 and exhaust duct 4 and warm-air pipe and exhaust duct were spaced up and down about the oven dry section of drying tower was provided with, and promptly the upper and lower two-layer of every layer of warm-air pipe 5 is exhaust duct 4, and warm-air pipe 4 also is staggered form with exhaust duct 5 and distributes.The section configuration of warm-air pipe 5 and exhaust duct 4 is the pentagon of bottom open-ended, and the grain machine is made industry and is called the angle box.Every warm-air pipe 5 is that convergent gauge structure and pipe tail are cecum by the mouth of pipe to the pipe tail.Hot blast produces conveying mechanism and comprises hot-blast stove 12, blower fan 11 and carrier pipe, and hot-blast stove 12 can be fire coal, oil burner, and the hot-blast stove of existing foodstuff drying device has multiple product, as the dryer hot-blast stove (fire coal) that can adopt Zhengzhou Boiler Plant to produce.The hot blast that hot-blast stove 12 produces is in blower fan 11, carrier pipe are sent into warm-air pipe in the drying tower.Because warm-air pipe 5 be that up and down multilayer and every layer are many, its hot blast mode of entrance can adopt: can a blast pipe 6 be set corresponding every layer of warm-air pipe on the housing of tower body, the every blast pipe 6 corresponding many warm-air pipes 5 that are communicated with this layer, blast pipe 6 is communicated with carrier pipe, the axis normal of warm-air pipe 5 in the axis of blast pipe 6 and the tower.Hot blast enters up and down Duo Gen blast pipe 6 and in blast pipe 6 enters the many warm-air pipes 5 of this layer through blower fan 11, carrier pipe thus.Exhaust duct 4 two ends are uncovered structure, and promptly the housing both sides of drying tower tower body have the corresponding exhaust outlet of a plurality of and exhaust duct 4.Hot blast (producing pressure by blower fan) with certain pressure enters warm-air pipe 5 and is discharged by its bottom opening, sees through the grain gap and enters in the bilevel exhaust duct 4, discharges tower body by the exhaust outlet at exhaust duct two ends, reaches the purpose to the grain oven dry.The structure of oven dry section is similarly the structure of existing grain drying device.The bottom of drying tower is a draining crop mechanism, promptly has many rows grain groove 7 down, following grain groove can be the inverted cone-shaped structure of bottom opening, the bottom of following grain poor 7 is provided with the delivery plate 8 that is driven by motor, crankshaft connecting rod system, has certain interval between delivery plate 8 and the following grain poor 7, and delivery plate 8 is for having the fence structure in many row row grains hole, thus, the crankshaft connecting rod system of driven by motor drives delivery plate about 8 and moves back and forth, and will drop on cereal on the delivery plate 8 by grain groove 7 down, is discharged by row's grain hole and falls in the hopper.Draining crop mechanism is the prior art of existing grain drying device.Corresponding hopper is provided with circulation conveyer 9 in its underpart, the charging aperture corresponding with circulation usefulness conveyer 9 is set in the inboard of bucket elevator 1, thus the cereal of discharging is sent in the bucket elevator 1 by conveyer 9, sent into again in the drying tower, carry out secondary drying by bucket elevator 1.Circulation can be ribbon conveyer or screw conveyer with conveyer 9.Cereal is closed hot blast after reaching safe water content, sends into cold wind by blower fan 11, and cereal is cooled off.Among this embodiment, drying tower tower body, blower fan 11, hot-blast stove 12 bottoms are provided with moves wheel 10.Also drying tower tower body, blower fan 11, hot-blast stove 12 can be positioned on the frame, the frame bottom is provided with moves wheel 10.Also drying tower tower body, blower fan 11 can be positioned on the frame, frame bottom and hot-blast stove 12 bottoms are provided with moves wheel 10.Also blower fan 11 and hot-blast stove 12 can be positioned on the frame, frame bottom and drying tower tower body bottom are provided with moves wheel 10.