Summary of the invention
The purpose of this utility model is the deficiency existed for prior art, there is provided one can reduce drying tower height, can regulate the Combined drying device of stoving process according to the water content of cereal, the grain quality after the oven dry of this Combined drying device is good, and drying efficiency is high.
For achieving the above object, the technical scheme that the utility model Combined drying device adopts is:
A kind of Combined drying device, comprise the first front storehouse of baking and second and dry front storehouse, first dries front storehouse is connected with the first drying tower with pay-off by valve, the discharging opening of the first drying tower is provided with the first feed appliance, first feed appliance is connected with the first three-way valve, second dries front storehouse is connected with the second drying tower with pay-off by valve, the discharging opening of the second drying tower is provided with the second feed appliance, second feed appliance is connected with storehouse after baking by pay-off, first discharging opening of the first three-way valve valve is connected with the second feed appliance, second discharging opening dries front storehouse by pay-off and second and is connected.Cereal enters the first drying tower by drying front storehouse, dry through the first drying tower, cereal enters the first three-way valve through the first feed appliance, cereal enters the second front storehouse of baking through the second discharging opening, second material dried in front storehouse enters the first drying tower, first drying tower and the second drying tower achieve series connection, can be good at the height lowering drying tower, improve the stability of drying tower.When first discharging opening of the first three-way valve is opened, then the first drying tower and the second drying tower achieve parallel connection, and two are dried front storehouse and accelerate drying efficiency respectively to two drying tower chargings.
Described first feed appliance is two-way belt conveyor, and one end of this two-way belt conveyor is connected with the first three-way valve, and the other end is connected with the feed end of the first bucket elevator, and the delivery end of the first bucket elevator is connected with the charging aperture of the first drying tower.First of first drying tower barrel cereal can be carried out circulation by the first bucket elevator to dry, ensure the dries quantity of first barrel of cereal.
Described second feed appliance is the second belt conveyor, the delivery end of the second belt conveyor is connected with the second three-way valve, first discharging opening of the second three-way valve is connected with the charging aperture of the second drying tower by the second bucket elevator, and the second material mouth is connected with storehouse after baking with by pay-off.By the first discharging opening, the second bucket elevator second drying tower formation circulating path of four youngster's three-way valves, circulation is carried out to first barrel of cereal of the second drying tower and dries, ensure that the dries quantity of cereal.
Be provided with the 3rd belt conveyor on the downside of the discharging opening in the described first front storehouse of baking, the feed end of delivery end first bucket elevator of the 3rd belt conveyor connects.
Described first charging aperture drying front storehouse is connected with the 3rd bucket elevator, and the feed end of the 3rd bucket elevator is connected with the discharging opening of cleaning cereal equipment.
Described second charging aperture drying front storehouse is connected with the 4th bucket elevator, and the feed end of the 4th bucket elevator is connected with the discharging opening of cleaning cereal equipment, the second discharging opening of the first three-way valve respectively.
Be provided with the 4th belt conveyor on the downside of the discharging opening in the described second front storehouse of baking, the delivery end of the 4th belt conveyor is connected with the feed end of the second bucket elevator.
After described baking, the charging aperture in storehouse is connected with the 5th bucket elevator, and the feed end of the 5th bucket elevator is connected with the second discharging opening of the second triple valve.
Second discharging opening of described first three-way valve is connected with the feed end of the 4th bucket elevator by the 5th belt conveyor.
Front storehouse is dried in the described first front storehouse of baking, second and after drying, the discharging opening in storehouse is all disposed with hand door and electric gate valve.
The utility model compared with prior art, has the following advantages:
The annexation of the first drying tower and the second drying tower is realized by the closedown or unlatching selecting two of the first three-way valve discharging openings.First discharging opening of the first three-way valve is opened, and the first drying tower and the second drying tower achieve parallel connection, and two are dried front storehouse and accelerate drying efficiency respectively to two drying tower chargings.Second discharging opening of the first three-way valve is opened, and the first drying tower and the second drying tower achieve series connection, cereal first through the first drying tower again through the second drying tower, reduce the height of drying tower, improve the stability of drying tower.When grain moisture content is higher, the first drying tower and the second drying tower can adopt the mode of series connection, improve the dries quantity of cereal.When grain moisture content is lower, the first drying tower and the second drying tower can adopt mode in parallel, improve the drying efficiency of cereal.Combined drying device of the present utility model can change stoving process according to the moisture content of material, and kinds of processes combination is applicable to the oven dry of different water cut cereal, effectively improves the problem of drying high moisture content continuous type drying tower body and amassing greatly, yielding poorly; Improve the drying tower unmatched problem of supporting conveying equipment production capacity when drying low moisture content cereal according to drying the design of high moisture content cereal; Two drying towers are connected the tempering added in drying course, improve the quality of cereal after drying; According to the amount unrestricted choice stoving process of the moisture content of cereal, cereal, grain quality after drying can be promoted, reduce oven dry energy consumption, promote drying rate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
As Fig. 1, a kind of Combined drying device, comprises the first drying tower 1 and the second drying tower 2.The charging aperture of the first drying tower 1 is connected with the delivery end of the first bucket elevator 3, the feed end of the first bucket elevator 3 dries front storehouse 5 by the 3rd belt conveyor 4 and first and is connected, 3rd belt conveyor 4 is arranged on the downside of the discharging opening in the first front storehouse 5 of baking, first charging aperture drying front storehouse 5 is connected with the delivery end of the 3rd bucket elevator 6, and the feed end of the 3rd bucket elevator 6 is connected with the discharging opening of cleaning cereal equipment.Be provided with two-way belt conveyor 7 on the downside of the discharging opening of the first drying tower 1, one end of this two-way belt conveyor 7 is connected with the first three-way valve 8, and the other end is connected with the feed end of the first bucket elevator 3.The charging aperture of the second drying tower 2 is connected with the delivery end of the second bucket elevator 9, the feed end of the second bucket elevator 9 dries front storehouse 11 by the second belt conveyor 10 and second and is connected, second belt conveyor 10 is arranged on the downside of the second baking front storehouse 11 discharging opening, second charging aperture drying front storehouse 11 is connected with the delivery end of the 4th bucket elevator 12, and the feed end of the 4th bucket elevator 12 is connected with the discharging opening of cleaning cereal equipment.Second belt conveyor 13 is installed on the downside of the discharging opening of the second drying tower 2, the delivery end of the second belt conveyor 13 is connected with the second three-way valve 14, first discharging opening 141 of the second three-way valve 14 is connected with the feed end of the second bucket elevator 9, second discharging opening 142 of the second three-way valve is connected with the feed end of the 5th bucket elevator 15, and the delivery end of the 5th bucket elevator 15 is connected with the charging aperture drying rear storehouse 16.First discharging opening 81 of the first three-way valve 8 is connected with the feed end of the second belt conveyor 13, and the second discharging opening 82 of the first three-way valve 8 is connected with the feed end of the 4th bucket elevator 12 by the 5th belt conveyor 17.Front storehouse is dried in the first front storehouse of baking, second and after drying, the discharging opening in storehouse is all disposed with hand door 18 and electric gate valve 19.First dry front storehouse and second dry front storehouse be provided with level sensor 20 and lower level sensor 21.
When cereal moisture content is more than 25%, 2 drying tower series connection use.First by the first drying tower fast cereal moisture content is down to less than 25% again by the second drying tower by grain-drying to safe storage moisture content, concrete technology flow process is: material after cleaning----three bucket elevator 6----the first dries front storehouse 5----hand door 18----electric gate valve 19----the 3rd belt conveyor 4----first bucket elevator 3----first drying tower 1(first tower material carries out drying tower circulation by the first drying tower 1----two-way belt conveyor 7----first bucket elevator 3----first drying tower 1)----two-way belt conveyor 7----first three-way valve 8----the 5th belt conveyor 17----the 4th bucket elevator 12----second dries after front storehouse 11----hand door 18----electric gate valve 19----second belt conveyor 10----second bucket elevator 9----second drying tower 2----second belt conveyor 13----second three-way valve 14----the 5th bucket elevator 15----dries storehouse 16.When drying cereal seed, two drying tower series connection use, and utilize between two drying towers second to dry front storehouse and carry out long-time tempering.
When cereal moisture content is below 25%, two drying tower parallel connections use, and two drying lines are used alone fast by grain-drying extremely safe moisture content, and concrete technology flow process is:
drying tower A line: material after cleaning----three bucket elevator 6----the first dries front storehouse 5----hand door 18----electric gate valve 19----the 3rd belt conveyor 4----first bucket elevator 3----first drying tower 1(first tower material carries out drying tower Matter Transfer by the first drying tower 1----two-way belt conveyor 7----first bucket elevator 3----first drying tower 1)---storehouse 16 after-two-way belt conveyor 7----first three-way valve 8----second belt conveyor 13----second three-way valve 14----the 5th bucket elevator 15----dries;
drying tower B line: material after cleaning----four bucket elevator 12----the second dries front storehouse 11(first tower material carries out drying tower Matter Transfer by the second drying tower 2----second belt conveyor 13----second three-way valve 14----second bucket elevator 9----second drying tower 2)---storehouse 16 after-hand door 18----electric gate valve 19----belt conveyor 15----second bucket elevator 9----second drying tower 2----second belt conveyor 13----second three-way valve 14----the 5th bucket elevator 15----dries.