CN219797705U

CN219797705U - Grain dryer

Info

Publication number: CN219797705U
Application number: CN202320948236.2U
Authority: CN
Inventors: 朱广飞; 陆阳; 余继琅
Original assignee: Taizhou Yiming Machinery Co ltd
Current assignee: Taizhou Yiming Machinery Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-10-03
Anticipated expiration: 2033-04-21

Abstract

The utility model belongs to the technical field of grain drying equipment, in particular to a grain dryer which comprises a grain bin and a ventilation section, wherein an air inlet and an air outlet are respectively formed in two opposite sides of the ventilation section, the air inlet is communicated with an air outlet end of a heat supply device, the air outlet is communicated with an air inlet end of a blower, a plurality of cyclone dust collectors are arranged, each cyclone dust collector is communicated with the air outlet end of the blower through a pipeline, a heavy particle discharge port of each cyclone dust collector is communicated with a recovery container, a light particle discharge port is communicated with an air inlet end of a filtering channel, and the air outlet end of the filtering channel is provided with a filter bag I. According to the utility model, the air blower blows out the particle impurities in the granary from the air outlet and sends the particle impurities into the cyclone dust collectors, the light particle impurities are blown out upwards from the light particle discharge port in the cyclone dust collectors and fall into the filter bag I, and the heavy particle impurities fall into the recovery container downwards from the heavy particle discharge port in the cyclone dust collectors, so that the effective separation of the particle impurities is realized.

Description

Grain dryer

Technical field:

the utility model belongs to the technical field of grain drying equipment, in particular to a grain dryer.

The background technology is as follows:

the grain dryer and the grain storage bin disclosed in the prior Chinese patent (issued publication number: CN 217005152U) comprise a grain bin and a ventilation section, wherein the ventilation section is provided with an air inlet and an air outlet, the air inlet is provided with an air inlet shell, the air outlet is communicated with the air inlet end of a fan, the air outlet end of the fan is connected with the inner end of an air outlet pipe, the outer end of the air outlet pipe is arranged along the horizontal direction, and a filter bag is sleeved at the outer port of the air outlet pipe. The structure filters the air outlet by the filter bag to prevent the particulate impurities from being discharged along with the air flow generated by the fan, but the particulate impurities comprise rice hulls, grains, dust particles and the like, the size difference of the particulate impurities is large, and the particulate impurities cannot be further effectively separated by only filtering the particulate impurities by the filter bag.

The utility model comprises the following steps:

the utility model aims to provide a grain dryer which effectively separates particle impurities blown out from an air outlet by means of a cyclone dust collector so as to filter light particle impurities respectively by a filter bag and recover heavy particle impurities by a recovery container.

The utility model is realized in the following way:

the utility model provides a grain drying-machine, is including last granary and the ventilation section that sets up down, and air intake and air outlet have been seted up respectively to ventilation section's relative both sides, air intake and heating device's air-out end intercommunication, air outlet and forced draught blower's air inlet end intercommunication, cyclone is provided with a plurality of, and each cyclone all communicates with the air-out end of forced draught blower through the pipeline, and each cyclone's heavy granule discharge gate all communicates with the recovery vessel, light granule discharge gate communicates with the air inlet end of filtration passageway, and the air-out end of filtration passageway is equipped with and crosses filter bag one.

In the above grain dryer, the recovery container has a funnel-shaped structure, a closed end cover is arranged on the upper end opening cover of the funnel of the recovery container, a closed cavity is formed between the closed end cover and the recovery container, the heavy particle discharge opening of each cyclone dust collector penetrates through the closed end cover and is communicated with the closed container, the lower end opening of the funnel of the recovery container is communicated with the feed end of the air shutoff machine, and the discharge end of the air shutoff machine is provided with a second filter bag.

In the grain dryer, the air outlet ends of the filtering channels are downwards provided with a plurality of filtering bags, and the air outlet end of each filtering channel is sleeved with the filtering bag I.

In the grain dryer, the four cyclone dust collectors are arranged, the air inlets of the two cyclone dust collectors close to the blower are lower than the air inlets of the two cyclone dust collectors far away from the blower, the air outlet end of the blower is communicated with the air inlet port of the centralized pipeline, and the air inlets of the four cyclone dust collectors are arranged and completely cover the air outlet port of the centralized pipeline.

In the grain dryer, the grain dryer further comprises a grain outlet port located below the ventilation section and a grain inlet port located at the top of the grain bin, wherein the grain outlet port is communicated with the feeding end of the three-way pipeline, a valve component capable of blocking one of the discharging ends is arranged between the two discharging ends of the three-way pipeline, the two discharging ends of the three-way pipeline are of an inclined landslide structure and are respectively communicated with the feeding end of the elevator and the feeding end of the grain discharging conveyor belt component, and the discharging end of the elevator is communicated with the grain inlet port.

Compared with the prior art, the utility model has the outstanding advantages that:

according to the utility model, the air blower blows out the particle impurities in the granary from the air outlet and sends the particle impurities into the cyclone dust collectors, wherein the light particle impurities are blown out upwards from the light particle discharge port in the cyclone dust collectors and fall into the filter bag I, and the heavy particle impurities fall into the recovery container downwards from the heavy particle discharge port in the cyclone dust collectors, so that the effective separation of the particle impurities is realized.

Description of the drawings:

FIG. 1 is an overall perspective view of the present utility model;

fig. 2 is a second perspective view of the whole of the present utility model.

In the figure: 1. a granary; 2. a ventilation section; 3. a heating device; 4. a blower; 5. a cyclone dust collector; 6. a recovery container; 7. a filtration channel; 8. a first filter bag; 9. sealing the end cover; 10. turning off the fan; 11. a second filter bag; 12. a centralized pipeline; 13. a three-way pipe; 14. and (5) a lifting machine.

The specific embodiment is as follows:

the utility model is further described below with reference to the specific examples, see fig. 1-2:

the utility model provides a grain drying-machine, is including from grain bin 1 and ventilation section 2 that set up down, and air intake and air outlet have been seted up respectively to ventilation section 2's relative both sides, air intake and the air outlet end intercommunication of heating device 3, air outlet and the air inlet end intercommunication of forced draught blower 4, cyclone 5 is provided with a plurality of, and each cyclone 5 all communicates with the air outlet end of forced draught blower 4 through the pipeline, and the heavy granule discharge gate of each cyclone 5 all communicates with recovery vessel 6, the light granule discharge gate communicates with the air inlet end of filtration passageway 7, and the air outlet end of filtration passageway 7 is equipped with and crosses filter bag one 8. The heating device 3 may be an existing air heater or a hot air boiler.

According to the utility model, the air blower 4 blows out the particle impurities in the granary 1 from the air outlet and sends the particle impurities into the cyclone dust collectors 5, wherein the light particle impurities are blown out from the light particle discharge outlet upwards in the cyclone dust collectors 5 and fall into the filter bags I8, and the heavy particle impurities fall into the recovery container 6 from the heavy particle discharge outlet downwards in the cyclone dust collectors 5, so that the effective separation of the particle impurities is realized.

Still further, in order to be able to effectively accept and retrieve the heavy particle impurity that falls from the heavy particle discharge gate of every cyclone 5 to avoid the air current interference in the cyclone 5 and raise heavy particle impurity, recovery container 6 is the funnel-shaped structure, and the funnel upper port lid of recovery container 6 is equipped with airtight end cover 9, forms airtight appearance chamber between airtight end cover 9 and the recovery container 6, every cyclone 5's heavy particle discharge gate all runs through airtight end cover 9 and communicates with airtight container, and the funnel lower port of recovery container 6 communicates with the feed end of closing fan 10, and the discharge end of closing fan 10 is equipped with and crosses filter bag two 11. That is, the air flow in the cyclone dust collector 5 is blocked by the fan 10, so that the heavy particle impurities from the heavy particle discharge port are prevented from being lifted due to the continuous blowing of the air flow.

Meanwhile, in order to make the light particulate impurities adhere to the first filter bags 8 as much as possible, in this embodiment, the air outlet ends of the filter channels 7 are provided with a plurality of air outlet ends downward, and the air outlet ends of each filter channel 7 are sleeved with the first filter bags 8, i.e. the number of the first filter bags 8 is increased, so as to increase the effective area contacted with the light particulate impurities.

Further, in this embodiment, in order to make the particulate impurities blown out along with the airflow uniformly enter each cyclone 5 to achieve efficient separation of the particulate impurities, the cyclone 5 is arranged with four air inlets of two cyclones 5 close to the blower 4 lower than the air inlets of two cyclones 5 far away from the blower 4, and the air outlet end of the blower 4 is communicated with the air inlet port of the concentration duct 12, and the air inlets of the four cyclones 5 are arranged and completely cover the air outlet port of the concentration duct 12.

In addition, considering that in the prior art, the grain discharging operation of the dryer is that grains are firstly lifted to the middle part or the top of the granary 1 by the lifter 14 and then discharged outwards through the sliding rail, so that the grain discharging efficiency is lower, in the embodiment, the grain discharging device further comprises a grain discharging port positioned below the ventilation section 2 and a grain feeding port positioned at the top of the granary 1, the grain discharging port is communicated with the feeding end of the three-way pipeline 13, a valve component capable of blocking one of the discharging ends is arranged between the two discharging ends of the three-way pipeline 13, the two discharging ends of the three-way pipeline 13 are in an inclined landslide structure and are respectively communicated with the feeding end of the lifter 14 and the feeding end of the grain discharging conveyer belt component, and the discharging end of the lifter 14 is communicated with the grain feeding port, and the grain discharging conveyer belt component can adopt the existing conveyer belt structure.

The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a grain drying-machine, is including granary (1) and ventilation section (2) from last setting up down, and air intake and air outlet have been seted up respectively to the relative both sides of ventilation section (2), and air intake and heating device (3)'s air-out end intercommunication, its characterized in that: the air outlet is communicated with the air inlet end of the air feeder (4), the cyclone dust collectors (5) are provided with a plurality of cyclone dust collectors (5) and are communicated with the air outlet end of the air feeder (4) through pipelines, the heavy particle discharge port of each cyclone dust collector (5) is communicated with the recovery container (6), the light particle discharge port is communicated with the air inlet end of the filtering channel (7), and the air outlet end of the filtering channel (7) is provided with a first filtering bag (8).

2. The grain dryer of claim 1, wherein: the recovery container (6) is of a funnel-shaped structure, a closed end cover (9) is arranged on the funnel upper port cover of the recovery container (6), a closed cavity is formed between the closed end cover (9) and the recovery container (6), each heavy particle discharge port of the cyclone dust collector (5) penetrates through the closed end cover (9) and is communicated with the closed container, the funnel lower port of the recovery container (6) is communicated with the feed end of the air closing machine (10), and the discharge end of the air closing machine (10) is provided with a filter bag II (11).

3. The grain dryer of claim 1, wherein: the air outlet end of each filtering channel (7) is downwards provided with a plurality of filtering bags (8), and the air outlet end of each filtering channel (7) is sleeved with the filtering bag I.

4. A grain dryer according to claim 1 or 2, characterized in that: the cyclone dust collectors (5) are arranged and provided with four, and air inlets of the two cyclone dust collectors (5) close to the air feeder (4) are lower than air inlets of the two cyclone dust collectors (5) far away from the air feeder (4), an air outlet end of the air feeder (4) is communicated with an air inlet port of the centralized pipeline (12), and the air inlets of the four cyclone dust collectors (5) are arranged and completely cover the air outlet port of the centralized pipeline (12).

5. The grain dryer of claim 1, wherein: the grain discharging device is characterized by further comprising a grain discharging port positioned below the ventilation section (2) and a grain feeding port positioned at the top of the granary (1), wherein the grain discharging port is communicated with the feeding end of the three-way pipeline (13), a valve component capable of blocking one discharging end is arranged between the two discharging ends of the three-way pipeline (13), the two discharging ends of the three-way pipeline (13) are of an inclined landslide structure and are respectively communicated with the feeding end of the lifting machine (14) and the feeding end of the grain discharging conveyor belt component, and the discharging end of the lifting machine (14) is communicated with the grain feeding port.