Disclosure of utility model
The utility model aims to overcome the defects of the technology, and provides a grain drying device, which solves the problems that the hot air flow in the drying device in the prior art directly discharges grains after being dried, dust in the hot air flow can not only affect the environment, but also the heat in the hot air flow can not be reused.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
The utility model provides a grain drying device, which comprises a drying box, a dust collection mechanism and a heat exchange mechanism, wherein a hot air part is arranged on one side of the drying box and is used for conveying hot air flow into the drying box to dry grains, the dust collection mechanism comprises a cylinder body, a dust collection cylinder and a guide pipe, an exhaust port is arranged at the top of the cylinder body, one end of the dust collection cylinder coaxially penetrates through the cylinder body, a dust collection cavity and a blowback cavity positioned above the dust collection cavity are arranged in the dust collection cylinder, a plurality of cloth bag cylinders communicated with the blowback cavity are arranged in the dust collection cavity, a plurality of guide pipes are arranged in the cylinder body along the height direction of the cylinder body and are communicated with the blowback cavity, the dust collection cavity is communicated with the drying box through an air extraction part, the heat exchange mechanism comprises a heat exchange part arranged in the cylinder body, an air inlet end and an air outlet end which are respectively communicated with the heat exchange part are arranged on the cylinder body, and the air outlet end is communicated with the drying box through an air extraction part.
In some embodiments, a first conveyer is disposed in the drying box, a plurality of second conveyers are stacked and staggered above the first conveyers in the drying box, one end of the first conveyer is connected with a discharge port on one side of the drying box, and a second conveyer is connected with a feed port on the top of the drying box.
In some embodiments, the hot air piece includes set firmly in the stoving incasement and be located the baffle of first conveyer below, the baffle will stoving incasement portion becomes stoving chamber and heating chamber, just the heating chamber is via a plurality of air vents on the baffle with the stoving chamber is linked together, first conveyer and a plurality of the second conveyer all are located the stoving intracavity, the heating intracavity is provided with heating core, the heating chamber is linked together with the fan.
In some embodiments, a plurality of dust suction hoods are arranged at intervals at the top of the drying box, and the dust suction hoods are communicated with the dust collection cavity through an air suction piece.
In some embodiments, the dust collection mechanism further comprises a blowback part, the blowback part comprises a high-pressure air storage tank, a vent pipe and high-pressure spray heads, the high-pressure air storage tank, the vent pipe and the high-pressure spray heads are fixedly arranged on the outer side of the cylinder body, one end of the vent pipe is connected with the air outlet of the high-pressure air storage tank through a pulse valve, the other end of the vent pipe extends into the blowback cavity, and the vent pipe is provided with the high-pressure spray heads corresponding to the cloth bag cylinders one by one.
In some embodiments, the heat exchange member comprises two annular blocks and heat exchange tubes, the two annular blocks are fixedly arranged in the cylinder body at intervals, an annular space is formed by enclosing between the annular blocks and the inner wall of the cylinder body, the two annular spaces are communicated through the plurality of heat exchange tubes, and the air inlet end and the air outlet end are respectively communicated with the two annular spaces.
In some embodiments, the outer wall of the cylinder is provided with a layer of insulating cotton.
In some embodiments, the other end of the dust collection cylinder is provided with an ash discharge port communicated with the dust collection cavity.
In some embodiments, the length of the first conveyor is greater than the length of the second conveyor.
In some embodiments, a plurality of temperature sensors are disposed within the drying box.
Compared with the prior art, the grain drying device provided by the utility model has the advantages that the exhaust port is arranged at the top of the cylinder body, one end of the dust collection cylinder is coaxially arranged in the cylinder body in a penetrating manner, the dust collection cylinder is internally provided with the dust collection cavity and the back blowing cavity above the dust collection cavity, the dust collection cavity is internally provided with the plurality of cloth bag cylinders communicated with the back blowing cavity, the plurality of guide pipes are arranged in the cylinder body along the height direction of the cylinder body and are communicated with the back blowing cavity, the dust collection cavity is communicated with the drying box through the air suction piece, the cloth bag cylinders can effectively absorb dust in hot air flow, meanwhile, the heat exchange piece is arranged in the cylinder body, the cylinder body is provided with the air inlet end and the air outlet end which are respectively communicated with the heat exchange piece, the air outlet end is communicated with the drying box through the air suction piece, and the outside air flow enters the heat exchange piece to perform heat exchange with the hot air flow, and the heat exchange piece can effectively recycle part of heat in the hot air flow, so that energy is saved, and energy consumption is reduced.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a grain drying apparatus. The grain drying device dries grains through the hot air flow, can absorb dust in the hot air flow, can recycle heat in the discharged hot air flow, can save energy and reduce energy consumption.
In this embodiment, a grain drying device, including stoving case 1, dust collection mechanism 2 and heat transfer mechanism 3, one side of stoving case 1 is equipped with hot air spare 10, hot air spare 10 is used for carrying the hot air flow to dry grain towards stoving incasement 1, dust collection mechanism 2 includes barrel 21, dust collection section of thick bamboo 22 and pipe 23, the top of barrel 21 is equipped with gas vent 211, the one end coaxial wearing of dust collection section of thick bamboo 22 is located in barrel 21, the inside of dust collection section of thick bamboo 22 is equipped with dust collection chamber 221 and is located dust collection chamber 221 top blowback chamber 222, be equipped with in the dust collection chamber 221 a plurality of with blowback chamber 222 is linked together sack section of thick bamboo 223, a plurality of pipe 23 along the direction of height of barrel 21 locate in barrel 21 and with blowback chamber 222 is linked together, dust collection chamber 221 with stoving case 1 is linked together via the bleed piece, heat transfer mechanism 3 is including locating in the barrel 21's the heat transfer piece 31, be equipped with respectively with the gas inlet end 212 and the 213 that are linked together with heat transfer piece 31 on the barrel 21, and the exhaust end 213 is linked together via the air vent 1.
In the actual use process, through carrying grain to stoving case 1 in, heat and dry, simultaneously, the hot air flow in the stoving case 1 is pumped to dust collection cavity 221 to the piece of bleeding, a plurality of sack section of thick bamboo 223 can adsorb the dust in the hot air flow effectively, the hot air flow carries to barrel 21 in via pipe 23, outside air current enters into heat exchange member 31 inside from inlet end 212 via the updraft ventilator, the hot air flow alright carry out the heat exchange with the outside air current in the heat exchange member 31, the outside air current after the heating carries to stoving case 1 in and carries out cyclic utilization, can reduce heat consumption.
It should be noted that, the drying box 1 is not limited to a specific structure, and only needs to be capable of drying grains by hot air flow, and other details will not be described here. In this embodiment, a first conveyor 11 is disposed in the drying box 1, a plurality of second conveyors 12 are stacked and staggered above the first conveyor 11 in the drying box 1, one end of the first conveyor 11 is connected with a discharge port 13 on one side of the drying box 1, and one second conveyor 12 is connected with a feed port 14 on the top of the drying box 1.
Specifically, the plurality of second conveyors 12 and the first conveyor 11 are belt conveyors, the conveying directions of two adjacent second conveyors 12 are opposite, the conveying direction of the first conveyor 11 is opposite to that of the second conveyor 12 nearest to the upper side, and the conveying directions of the plurality of second conveyors 12 and the first conveyor 11 are parallel to the horizontal ground.
It should be noted that, the length of the first conveyor 11 is greater than the length of the second conveyor 12, so that the first conveyor 11 can discharge grains when conveying the grains to the discharge port 13, and the grains can be conveyed to the outside of the drying box 1 through the discharge port 13.
In this specific embodiment, the hot air member 10 includes a partition board 101 fixedly disposed in the drying box 1 and located below the first conveyor 11, the partition board 101 divides the interior of the drying box 1 into a drying cavity and a heating cavity, the heating cavity is communicated with the drying cavity via a plurality of ventilation holes on the partition board 101, the first conveyor 11 and a plurality of the second conveyors 12 are both disposed in the drying cavity, and a heating core 102 is disposed in the heating cavity, and the heating cavity is communicated with the fan 103.
It should be noted that, the air flow is conveyed to the heating cavity by the fan 103, the heating cell 102 can heat the air flow in the heating cavity, and the heated air flow can be uniformly dispersed into the drying cavity through the plurality of ventilation holes, so that the grain drying effect is better.
In this embodiment, a plurality of dust suction hoods 15 are disposed at intervals on the top of the drying box 1, and the plurality of dust suction hoods 15 are communicated with the dust collection cavity 221 via an air suction member. The hot air flow in the drying box 1 is pumped into the dust collection cavity 221 through the dust hood 15.
In this embodiment, the dust collection mechanism 2 further includes a blowback member 24, where the blowback member 24 includes a high-pressure air storage tank 241, an air pipe 242, and a high-pressure nozzle 243 fixed on the outer side of the cylinder 21, one end of the air pipe 242 is connected to the air outlet of the high-pressure air storage tank 241 via a pulse valve, the other end of the air pipe 242 extends into the blowback cavity 222, and the air pipe 242 is provided with high-pressure nozzles 243 corresponding to the cloth-bag cylinders 223 one by one.
The high-pressure gas in the high-pressure gas tank 241 can be output via the plurality of high-pressure nozzles 243 by opening the pulse valve, and the high-pressure gas can shake off dust adsorbed on the bag cylinder 223. Specifically, the other end of the dust collection barrel 22 is provided with an ash discharge hole 220 communicated with the dust collection cavity 221, and a cover plate for opening the ash discharge hole 220 is arranged on the ash discharge hole 220, so that dust at the bottom of the dust collection barrel 22 can be discharged by opening the cover plate.
In this embodiment, the heat exchange member 31 includes two annular blocks 311 and heat exchange tubes 312, the two annular blocks 311 are fixed in the cylinder 21 at intervals, an annular space is formed by enclosing the annular blocks 311 with the inner wall of the cylinder 21, the two annular spaces are communicated with each other via a plurality of heat exchange tubes 312, and the air inlet end 212 and the air outlet end 213 are respectively communicated with the two annular spaces.
In other embodiments, a plurality of heat exchange fins are arranged on the heat exchange tube 312 along the length direction at intervals, and the heat exchange fins can be arranged to improve the contact area between the heat exchange tube 312 and the hot air flow, so that the heat exchange effect is better. In one embodiment, in order to avoid a fast dissipation of heat in the hot air flow, the outer wall of the cylinder 21 is provided with a heat insulating cotton layer.
On the basis of the scheme, a plurality of temperature sensors 4 are arranged in the drying box 1. The temperature sensor 4 can detect the temperature of hot air flow in the drying box 1, so that the high temperature of hot air flow is avoided, grains are steamed, and the drying effect on the grains is reduced.
The effective effects are as follows:
Compared with the prior art, the grain drying device provided by the utility model has the advantages that the exhaust port is arranged at the top of the cylinder body, one end of the dust collection cylinder is coaxially arranged in the cylinder body in a penetrating manner, the dust collection cylinder is internally provided with the dust collection cavity and the back blowing cavity above the dust collection cavity, the dust collection cavity is internally provided with the plurality of cloth bag cylinders communicated with the back blowing cavity, the plurality of guide pipes are arranged in the cylinder body along the height direction of the cylinder body and are communicated with the back blowing cavity, the dust collection cavity is communicated with the drying box through the air suction piece, the cloth bag cylinders can effectively absorb dust in hot air flow, meanwhile, the heat exchange piece is arranged in the cylinder body, the cylinder body is provided with the air inlet end and the air outlet end which are respectively communicated with the heat exchange piece, the air outlet end is communicated with the drying box through the air suction piece, and the outside air flow enters the heat exchange piece to perform heat exchange with the hot air flow, and the heat exchange piece can effectively recycle part of heat in the hot air flow, so that energy is saved, and energy consumption is reduced.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.