CN203290169U

CN203290169U - Multilayer longitudinal-flow grain drier

Info

Publication number: CN203290169U
Application number: CN2013202216266U
Authority: CN
Inventors: 庆海云
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-27
Filing date: 2013-04-27
Publication date: 2013-11-20
Anticipated expiration: 2023-04-27

Abstract

The utility model relates to the field of agricultural mechanical equipment, and in particular relates to a multilayer longitudinal-flow grain drier with the advantages of uniformity in hot air supply, high drying efficiency, low unit heat consumption, high utilization rate of a body, low probability of being blocked and uniform moisture of dried grains. The grain drier comprises a drying tower body (1), as well as a drying fan (2) and a hot-blast stove (3) which are sequentially connected to the air inlet of the drying tower body (1), wherein a feeding hole (4) is formed at the top end of the drying tower body (1), a closed hot air chamber (5) is arranged in the middle section of the drying tower body (1), and a collecting chamber (6) is arranged at the bottom end of the drying tower body (1); the outer part of the hot air chamber (5) and the tower wall form a grain passage (7), and a plurality of hot air pipes (8) of which the lower parts have through holes are arranged on the side wall; the grain passage (7) is communicated with the feeding hole (4) and the collecting chamber (6) respectively; a plurality of exhaust pipes (9) correspondingly arranged above the hot air pipes (8) are distributed on the tower wall, and exhaust holes are formed in the lower parts of the exhaust pipes (9).

Description

Multilayer longitudinal-flow crop dryer

Technical field

The utility model relates to the agricultural machinery field, is specially multilayer longitudinal-flow crop dryer.

Background technology

Crop dryer is a kind of assembly of dryer, is also the general designation of foodstuff drying device various device, such as corn drying machinery, and rice drying machine, paddy rice dryer, schlempe dryer etc., can be referred to as grain drying machine.Cereal is carried out to drying, is mainly because when grain harvest, if grain moisture content is higher, just be not suitable for storing, in order to prevent the mold of seed and rotten accident, occur, must carry out drying to the cereal after results, to reduce humidity, its metabolism is reduced, be beneficial to storage.

Usually, press cereal and air-flow direction of relative movement, drying machine can be divided into the patterns such as following current, mixed flow, crossing current; For the mixed flow dryer, its many tower structures that rearranged by triangle or five jiaos of boxes staggered (fork), although this drier has overcome the shortcoming of cross-flow type drying machine to a certain extent, often there is complex structure in it, and under the same product throughput rate condition, manufacturing cost is slightly high; The partially slow problem of sub-fraction cereal precipitation at place, four angles of dryer; For the following current dryer, it mostly is the tower structure that funneling air intake duct combines with horn shape box exhaust duct, it is different from the mixed flow dryer by an air main hot wind supply, but supply with difference or the identical hot blast of part by a plurality of (level) warm-air pipe, but there is complicated structure in it, and manufacturing cost approaches or a little more than the mixed flow dryer; Depth of grain layer is large, and required high pressure positive blower power is large, the shortcoming that price is high; For the crossing current dryer, mostly be column type sieve mesh type or square type sieve mesh type structure, its advantage is that manufacturing process is simple, and easy for installation, cost is low, productivity ratio is high, but exist the cereal uniform drying poor, specific heat consumption is higher, and a machine oven dry various types of grain is limited, the more difficult shortcomings such as requirement, the frequent cleaning of inside and outside sieve aperture need that reach of baking rear section grain quality.

Summary of the invention

The purpose of this utility model is to provide a kind of warm-air supply even, and drying efficiency is high, and specific heat consumption is low, and the body utilization rate is high, is difficult for stopping up, the dry rear uniform multilayer longitudinal-flow of grain moisture crop dryer.

The utility model multilayer longitudinal-flow crop dryer, comprise dry tower body 1, and be connected to drying air fan 2 and the hot-blast stove 3 on dry tower body 1 air inlet in turn, it is characterized in that: the top of described dry tower body 1 is provided with charging aperture 4, middle intersegmental part is provided with airtight hot air chamber 5, and bottom is provided with the chamber 6 that gathers materials; The outside tower wall with dry tower body 1 of described hot air chamber 5 forms cereal passage 7, on sidewall, is provided with the warm-air pipe 8 that some belows are provided with through hole; Described cereal passage 7 is communicated with charging aperture 4 and the chamber 6 that gathers materials respectively; On the tower wall of described dry tower body 1, be provided with the exhaust duct 9 that some correspondences are arranged on warm-air pipe 8 tops, exhaust duct 9 belows are provided with vent.

Wherein, described hot air chamber 5 belows are provided with cold air chamber 10, and cold air chamber's 10 sidewalls are provided with perforate, and the tower wall of corresponding cereal passage 7 parts is outside equipped with thermal insulation layer 11, and thermal insulation layer 11 upper outside are provided with outlet port 12.

Wherein, the outside of described cold air chamber 10 is connected with cooling blower 13.

Wherein, on the exhaust opening of described hot-blast stove 3, be disposed with deduster 14 and chimney 15.

Wherein, described charging aperture 4 is provided with screw elevator 16.

Wherein, in the described chamber 6 that gathers materials, be set side by side with two screw input feeders 17.

The utility model multilayer longitudinal-flow crop dryer, by the warm-air pipe 8 that is provided with through hole being set on the sidewall at hot air chamber 5 below several and being arranged on the exhaust duct 9 above warm-air pipe 8 on the tower wall of dry tower body 1, being provided with some correspondences, coordinate and complete multilayer longitudinal ventilation drying operation; After cereal entered cereal passage 7, the hot blast that produces by hot-blast stove 3 entered hot air chamber 5, and the through hole of hot blast by warm-air pipe 8 belows enters 7 pairs of cereal of cereal passage and carry out through the vent of exhaust duct 9, discharging outside dry tower body 1 after even drying afterwards; Dried cereal enters the chamber 6 that gathers materials and discharges by screw input feeder 17; Because several warm-air pipes 8 and exhaust duct 9 are crisscross arranged up and down, can, at the inner vertical stream of the multilayer hot blast that forms of dry tower body 1, finally realize the purpose of the multilayer longitudinal ventilation drying of cereal; Its beneficial effect is, simple in structure, reasonable in design, drying effect is good, failure rate is low, and long service life, economic benefit is high.

The accompanying drawing explanation

Fig. 1 is the structural representation shown in the utility model example.

Fig. 2 is the A-A profile of the dry tower body of the utility model.

In figure: dry tower body 1, drying air fan 2, hot-blast stove 3, charging aperture 4, hot air chamber 5, chamber 6 gathers materials, cereal passage 7,, warm-air pipe 8 exhaust ducts 9, cold air chamber 10, thermal insulation layer 11, outlet port 12, cooling blower 13, deduster 14, chimney 15, screw elevator 16, screw input feeder 17.

The specific embodiment

Example 1

The utility model multilayer longitudinal-flow crop dryer, as Fig. 1, shown in Figure 2, it comprises dry tower body 1, drying air fan 2 and hot-blast stove 3, wherein said drying air fan 2 and hot-blast stove 3 are connected in turn on dry tower body 1, it is characterized in that: described dry tower body 1 comprises charging aperture 4, hot air chamber 5, the chamber 6 that gathers materials, cereal passage 7, warm-air pipe 8 and exhaust duct 9, described charging aperture 4 is arranged on the top of dry tower body 1; Described hot air chamber 5 is arranged on the middle intersegmental part of dry tower body 1; The described chamber 6 that gathers materials is arranged on the bottom of dry tower body 1; Described cereal passage 7 is formed by the space between the tower wall of hot air chamber 5 outsides and dry tower body 1; Described warm-air pipe 8 is arranged on the sidewall of hot air chamber 5, and the below of warm-air pipe 8 is provided with through hole; The exhaust duct 9 that described below is provided with vent is arranged on the tower wall of dry tower body 1 and is corresponding above warm-air pipe 8.

When using the utility model to carry out the cereal drying operation, at first cereal is sent in dry tower body 1 from charging aperture 4, this moment, cereal can flow downward uniformly along cereal passage 7, in the process that cereal descends, by drying air fan 2 and hot-blast stove 3, start to send into hot blast to hot air chamber 5, the through hole that hot blast entered warm-air pipe 8 belows passes Grain-Layer cereal is carried out to even drying after, then discharge outside dry tower body 1 through the vent of exhaust duct 9 belows; Cereal can carry out through vertical hot blast of Multi-layer thermal airduct repeatedly drying thus, is collected in the chamber 6 that gathers materials, and finally completes the drying operation that is of cereal.

Example 2

The utility model multilayer longitudinal-flow crop dryer, as Fig. 1, shown in Figure 2, wherein, described hot air chamber 5 belows are provided with cold air chamber 10, and cold air chamber's 10 sidewalls are provided with perforate, can effectively to dried cereal, carry out fast cooling, needed moisture and temperature conditions while with assurance cereal, storing, the quality of raising cereal; The tower wall of corresponding cereal passage 7 parts is outside equipped with thermal insulation layer 11, thermal insulation layer 11 upper outside are provided with outlet port 12, can effectively carry out heat insulationly, simultaneously outlet port 12 can in time be got rid of the waste gas in cold air chamber 10, has improved the storage quality of whole cereal.

Wherein, the outside of described cold air chamber 10 is connected with cooling blower 13, and the cold wind of cereal tempering cooling can be provided timely and effectively, has further improved the drying effect of cereal and has stored quality.

Wherein, on the exhaust opening of described hot-blast stove 3, be disposed with deduster 14 and chimney 15, can carry out purified treatment to the waste gas that produces in whole dry run, environmental contamination reduction, improve environmental benefit.

Wherein, described charging aperture 4 is provided with screw elevator 16, and labour intensity is little, and is simple to operate, can conveniently realize the conveying of cereal, further improves volume drying efficiency.

Wherein, in the described chamber 6 that gathers materials, be set side by side with two screw input feeders 17, help to be collected in the cereal that gather materials in chamber 6 and in time discharge, thereby guarantee that whole drying system is stable, improved the cereal drying efficiency, guarantee the cereal dry mass.

All the other structures and occupation mode are all as described in example 1.

Claims

1. multilayer longitudinal-flow crop dryer, comprise dry tower body (1), and be connected to drying air fan (2) and the hot-blast stove (3) on dry tower body (1) air inlet in turn, it is characterized in that: the top of described dry tower body (1) is provided with charging aperture (4), middle intersegmental part is provided with airtight hot air chamber (5), and bottom is provided with the chamber that gathers materials (6); Described hot air chamber (5) is outside forms cereal passage (7) with the tower wall, on sidewall, is provided with the warm-air pipe (8) that some belows are provided with through hole; Described cereal passage (7) is communicated with charging aperture (4) and the chamber that gathers materials (6) respectively; On described tower wall, be provided with the exhaust duct (9) that some correspondences are arranged on warm-air pipe (8) top, exhaust duct (9) below is provided with vent.

2. multilayer longitudinal-flow crop dryer according to claim 1, it is characterized in that: described hot air chamber (5) below is provided with cold air chamber (10), cold air chamber (10) sidewall is provided with perforate, the tower wall of corresponding cereal passage (7) part is outside equipped with thermal insulation layer (11), and thermal insulation layer (11) upper outside is provided with outlet port (12).

3. multilayer longitudinal-flow crop dryer according to claim 2, it is characterized in that: the outside of described cold air chamber (10) is connected with cooling blower (13).

4. according to claim 1 and 2 or 3 described multilayer longitudinal-flow crop dryers, is characterized in that: on the exhaust opening of described hot-blast stove (3), be disposed with deduster (14) and chimney (15).

5. according to claim 1 and 2 or 3 described multilayer longitudinal-flow crop dryers, it is characterized in that: described charging aperture (4) is provided with screw elevator (16).

6. according to claim 1 and 2 or 3 described multilayer longitudinal-flow crop dryers, is characterized in that: in the described chamber that gathers materials (6), be set side by side with two screw input feeders (17).