Mesh-belt type drier
Technical field
The present invention relates to a kind of dryer, specifically, 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 will dry gas and is blown into from the air port that supplies of dryer bottom, 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 moving upward for around air port, only have fraction to dry gas then rising to the 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 objective of the invention 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 solution adopted in the present invention is: a kind of mesh-belt type drier, comprise cabinet, top side wall at described cabinet is provided with shunt conduit along the sidewall horizontal bearing of trend, this shunt conduit is provided with the hot blast import and is evenly distributed on a plurality of hot-blast outlets on this shunt conduit along this shunt conduit axial direction, each described hot-blast outlet all is connected with vertical hot-air channel, each described vertical hot-air channel lower end all be positioned at described cabinet bottom and with the internal communication of 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 consists 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 a plurality of 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 the 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 present invention has outstanding substantive distinguishing features and significant progressive, specifically, in the present invention, hot blast on average is transported in a plurality of described vertical hot-air channels from described hot blast import, air outlet bottom described vertical hot-air channel is transported to described the confession and, in hot-zone, then successively dries from the bottom up the grain on described transmission guipure again.Because described hot-blast outlet evenly arranges on described shunt conduit, so described vertical hot-air channel also is uniformly distributed, so the hot blast of being carried by described vertical hot-air channel bottom is more even, make in described cabinet on the same level height uniformity of temperature profile everywhere, guaranteed 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.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is partial structurtes schematic diagram of the present invention.
In figure: 1. cabinet; 2. shunt conduit; 3. hot blast import; 4. hot-blast outlet; 5. vertical hot-air channel; 6. transmission guipure; 7. air outlet; 8. circulating fan; 9. pipeline; 10. hot blast net; 11. food import; 12. grain-export; 13. access door.
The specific embodiment
Below by the specific embodiment, technical scheme of the present invention 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 the sidewall horizontal bearing of trend, this shunt conduit 2 is provided with hot blast import 3 and is evenly distributed on a plurality of hot-blast outlets 4 on this shunt conduit 2 along these shunt conduit 2 axial directions, each described hot-blast outlet 4 all is connected with vertical hot-air channel 5, each described vertical hot-air channel 5 lower ends all be positioned at described cabinet 1 bottom and with the internal communication of described cabinet 1.Hot blast on average is transported in a plurality of 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 transmitted on guipure 6 from the bottom up.Because described hot-blast outlet 4 evenly arranges on described shunt conduit 2, so described vertical hot-air channel 5 also is 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, guaranteed 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 consists 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, offer described vertical hot-air channel 5 in the sidewall of described cabinet 5, saved the described vertical hot-air channel 5 of extra interpolation, the convenient construction, be conducive to again the insulation of described cabinet 1.In other embodiments, can be also that hot-air channel as vertical as 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 a plurality of 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.The dry hot blast of crossing 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, and what make like this hot blast disperse is more even, 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.It due to grain, on described transmission guipure 6, is going down from level to level, so, the grain entered from the food import 11 on described cabinet 1 top is normal temperature, and be high temperature from grain-export 12 grain out of described cabinet 1 bottom, so the bottom hot blast can be gradually in the process to blowing up cooling, be unfavorable for drying the grain be 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 a plurality of described vertical hot-air channels 5 are independent separately, and described access door 13 as the 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 a plurality of, a plurality of described access doors 13 and a plurality of described vertical hot-air channel 5 alternate intervals settings.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.