Mesh-belt type drier
Technical field
The utility model relates to a kind of dryer, specifically, has related to a kind of mesh-belt type drier for grain heat-drying technique.
Background technology
Traditional mesh-belt type drier comprises housing, the bottom of housing arranges one for air port, air feed system utilizes air-heater to be blown into from the air port that supplies of dryer bottom drying gas, dries gas and blows from the bottom up in dryer, by the grain heat-drying on multilayer guipure in dryer.But gas temperature is higher owing to drying, density is little, after entering dryer, most of gas of drying is from around moving upward for air port, only have fraction to dry gas then rising to surrounding diffusion at housing bottom, therefore, the grain in housing can not evenly be dried, for both sides, air port distance grain far away, drying effect is poorer, has had a strong impact on the oven dry quality of grain in housing.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thereby provide, a kind of design science, hot blast are evenly distributed, the mesh-belt type drier of good drying effect.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of mesh-belt type drier, comprise cabinet, top side wall at described cabinet is provided with shunt conduit along sidewall horizontal bearing of trend, this shunt conduit is provided with hot blast import and is evenly distributed on the multiple hot-blast outlets in this shunt conduit along this shunt conduit axial direction, each described hot-blast outlet is all connected with vertical hot-air channel, and each described vertical hot-air channel lower end is all positioned at the bottom of described cabinet and the internal communication with described cabinet.
Based on above-mentioned, described hot blast import is positioned at the middle part of described shunt conduit.
Based on above-mentioned, described sidewall comprises inner and outer wall, and described vertical hot-air channel is made up of the vertical baffle in described inwall, described outer wall and described sidewall, and described inwall is provided with the air outlet of the internal communication of described vertical hot-air channel and described cabinet.
Based on above-mentioned, the top of described cabinet is provided with multiple circulating fans, the air inlet of described circulating fan and the internal communication of described cabinet, and the exhaust outlet of described circulating fan is communicated with described shunt conduit by pipeline.
Based on above-mentioned, in described cabinet, the transmission guipure lower horizontal of the bottom is provided with hot blast net, and described air outlet is positioned at described hot blast side off the net.
Based on above-mentioned, described inwall middle part is provided with the auxiliary air-outlet of the internal communication of described vertical hot-air channel and described cabinet.
Based on above-mentioned, between adjacent two vertical hot-air channels, offer access door.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, in the utility model, hot blast is on average transported in multiple described vertical hot-air channels from described hot blast import, be transported to described confession by the air outlet of described vertical hot-air channel bottom again and, in hot-zone, then successively dry from the bottom up the grain on described transmission guipure.Because described hot-blast outlet evenly arranges in described shunt conduit, so described vertical hot-air channel is also uniformly distributed, so the hot blast of being carried by described vertical hot-air channel bottom is more even, make in described cabinet on same level height uniformity of temperature profile everywhere, guarantee that the grain on described transmission guipure is heated evenly, and has good drying effect.This mesh-belt type drier has advantages of that design science, hot blast are evenly distributed, good drying effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is partial structurtes schematic diagram of the present utility model.
In figure: 1. cabinet; 2. shunt conduit; 3. hot blast import; 4. hot-blast outlet; 5. vertical hot-air channel; 6. transmit guipure; 7. air outlet; 8. circulating fan; 9. pipeline; 10. hot blast net; 11. food imports; 12. grain-exports; 13. access doors.
The specific embodiment
Below by the specific embodiment, the technical solution of the utility model is described in further detail.
embodiment 1
As shown in Figure 1 and Figure 2, a kind of mesh-belt type drier, comprise cabinet 1, top side wall at described cabinet 1 is provided with shunt conduit 2 along sidewall horizontal bearing of trend, this shunt conduit 2 is provided with hot blast import 3 and is evenly distributed on the multiple hot-blast outlets 4 in this shunt conduit 2 along these shunt conduit 2 axial directions, each described hot-blast outlet 4 is all connected with vertical hot-air channel 5, and each described vertical hot-air channel 5 lower ends are all positioned at the bottom of described cabinet 1 and the internal communication with described cabinet 1.Hot blast is on average transported in multiple described vertical hot-air channels 5 from described hot blast import 3, then is transported in described cabinet 1 by described vertical hot-air channel 5 bottoms, and then hot blast is successively dried the grain transmitting on guipure 6 from the bottom up.Because described hot-blast outlet 4 evenly arranges in described shunt conduit 2, so described vertical hot-air channel 5 is also uniformly distributed, so the hot blast of being carried by described vertical hot-air channel 5 bottoms is more even, make on the interior same level height of described cabinet 1 uniformity of temperature profile everywhere, guarantee that the grain on described transmission guipure 6 is heated evenly, and has good drying effect.
embodiment 2
Embodiment 2 is with the difference of embodiment 1: as shown in Figure 1, described hot blast import 3 is positioned at the middle part of described shunt conduit 2.Hot blast, from described hot blast import 3 enters, separates to both sides along described shunt conduit 2, and hot blast can be transmitted uniformly in each described vertical hot-air channel 5.
embodiment 3
Embodiment 3 is with the difference of embodiment 2: as shown in Figure 1, described sidewall comprises inner and outer wall, described vertical hot-air channel 5 is made up of the vertical baffle in described inwall, described outer wall and described sidewall, and described inwall is provided with the air outlet 7 of the internal communication of described vertical hot-air channel 5 and described cabinet 1.Design is that the design of the design of the sidewall of described cabinet 1 and described vertical hot-air channel 5 has been carried out merging cleverly like this, in the sidewall of described cabinet 5, offer described vertical hot-air channel 5, save the described vertical hot-air channel 5 of extra interpolation, convenient construction, is conducive to again the insulation of described cabinet 1.In other embodiments, can be also that hot-air channel as vertical in tubular type is arranged in the cabinet sidewall of hollow.
embodiment 4
Embodiment 4 is with the difference of embodiment 3: as shown in Figure 1, the top of described cabinet 1 is provided with multiple circulating fans 8, the internal communication of the air inlet of described circulating fan 8 and described cabinet 1, the exhaust outlet of described circulating fan 8 is communicated with described shunt conduit 2 by pipeline 9.Be dried the hot blast of grain, wherein a steam-laden part is discharged from moisture exhausting port, and another part continues to participate in oven dry from being sucked and blow to by described circulating fan 8 described shunt conduit 2, has improved like this utilization rate of hot blast, effectively reduces energy consumption.
embodiment 5
Embodiment 5 is with the difference of embodiment 4: as shown in Figure 2, transmission guipure 6 lower horizontal of the described cabinet 1 interior bottom are provided with hot blast net 10, and described air outlet 7 is positioned at described hot blast net 10 belows.Hot blast is from described air outlet to blowing up, and while running into described hot blast net 10, hot blast disperses to blow out from the mesh of described hot blast net 10, makes like this more even of hot blast dispersion, thereby the grain on described transmission guipure 6 is heated evenly, and improves drying effect.
embodiment 6
Embodiment 6 is with the difference of embodiment 5: as shown in Figure 1 and Figure 2, described inwall middle part is provided with the auxiliary air-outlet of the internal communication of described vertical hot-air channel 5 and described cabinet 1.Because grain is going down from level to level on described transmission guipure 6, so, the grain entering from the food import 11 on described cabinet 1 top is normal temperature, and be high temperature from the grain-export 12 of described cabinet 1 bottom grain out, so bottom hot blast can be gradually in the process to blowing up cooling, be unfavorable for drying the grain being positioned on described transmission guipure 6 at the middle and upper levels.Therefore the benefit of described auxiliary air-outlet is exactly for the grain on described transmission guipure 6 at the middle and upper levels heats, to guarantee its drying effect.
embodiment 7
Embodiment 7 is with the difference of embodiment 6: as shown in Figure 1, between adjacent two vertical hot-air channels 5, offer access door 13.Because multiple described vertical hot-air channels 5 are independent separately, and described access door 13 as maintenance facilities should scattering device on described cabinet, so described access door 13 is opened between adjacent two vertical hot-air channels 5.Common described access door 13 has multiple, multiple described access doors 13 and multiple described vertical hot-air channel 5 alternate intervals settings.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.