CN201349485Y

CN201349485Y - Cassava slice dryer

Info

Publication number: CN201349485Y
Application number: CNU2009201404789U
Authority: CN
Inventors: 韦智建
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-23
Filing date: 2009-01-23
Publication date: 2009-11-25
Anticipated expiration: 2019-01-23

Abstract

The utility model discloses a cassava slice dryer comprising a cylindrical shell, a feed hopper arranged on the shell and a hot air inlet pipe arranged at one side of the lower end of the shell. The cassava slice dryer is characterized by also comprising a porous inclined wall hopper which is arranged at the inner lower end of the shell and communicated with the hot air inlet pipe, a plurality of spiral mixing shafts which are positioned on the upper surface and the lower surface of the shell in the shell at interval, and a ventilation pipe, wherein the lower end of the ventilation pipe is communicated with the hot air inlet pipe and the outer side of the porous inclined wall hopper, and the upper end thereof is communicated with the inner side of the porous inclined wall hopper. By adopting the dryer, cassava slices are put into an inner cavity of the shell from the feed hopper on the shell, hot air blows the higher cassava slices from one side at the lower end of the shell through the porous inclined wall hopper for heating and drying the cassava slices, the plurality of spiral mixing shafts continuously rotate and mix the cassava slices in the shell so as to lead the cassava slices to be heated evenly. The hot drying efficiency is high in the process, full mechanized operation is realized in the whole heating and drying process of the cassava slices, and the shell and corresponding structure thereof can be set according to the production scale, thus being applicable to the modern mass production.

Description

The cassava slice dryer

Technical field

The utility model relates to a kind of drying equipment, especially the cassava slice dryer.

Background technology

Cassava is to produce starch and alcohol and primary raw material, and demand and output are all very big, southern area particularly, and all there are tens tons of output to several kilotons in general small towns.Because cassava contains a large amount of moisture content, the cassava after the results will be handled in time, otherwise can go rotten, and causes waste and economic loss.At present, the cassava method of handling after gathering in the crops is that the cassava bar is cut into flat bulk, and promptly cassava slice dries cassava slice or dry then.Now generally drying, to the threshing ground require lowly, so long as the vacant lot that the sun can shine gets final product, the solarization amount is big, the heat energy that makes full use of the amazing sun falls the water evaporates in the cassava slice, cost is low.But, run into for a long time all the time according to, particularly Yin Yulianmian date, cassava slice can just have been suffered disaster.And existing cassava slice dryer is the roasting formula of layer holder basically, is promptly propping up cassava slice in baker from level to level, by the thermal source heating of below the cassava slice of top is dried.Dry a collection of taking-up, put into next group again.Such dryer and oven drying method thereof, labour intensity is big, and efficient is low, the modern large-scale production of incompatibility.

Summary of the invention

The purpose of this utility model provides a kind of cassava slice dryer, and by sunshine, Fully-mechanized operation not can be used for modern large-scale production for it.

The technical solution of the utility model is:

A kind of cassava slice dryer, it comprises cylindrical housing, be located at the feed hopper above the housing and be located at the hot blast inlet pipe of housing lower end one side, it is characterized in that:

Be located at lower end in the described housing, and the porous skew wall bucket that communicates with described hot blast inlet pipe;

In housing, positioned at intervals is in some helical stir axles of described housing above and below;

The lower end communicates the scavenge trunk that the upper end communicates with porous skew wall bucket inboard with the hot blast inlet pipe and the porous skew wall bucket outside.

Also be provided with porous on the described helical stir axial screw plate.

The cassava slice dryer of above structure, the feed hopper above housing are put into the inner chamber of cassava slice to housing, and at the hot blast inlet pipe input hot blast of housing lower end one side, this hot blast blows to top cassava slice by porous skew wall bucket, and cassava slice is advanced heat drying.Some helical stir axles in the housing inner chamber constantly rotate the cassava slice in the stirring shell under the effect of motor and shift drive mechanism thereof, make it to be heated evenly.Simultaneously, by the hot blast that scavenge trunk is gone into will be from the hot blast inlet pipe time, the lower end in housing is passed to the upper end, has increased the heating surface of cassava slice, has improved dry efficient.The whole Fully-mechanized operation of heat drying process to cassava slice, and housing and corresponding structure thereof can realize modern large-scale production by the scale setting of producing, and benefit the people.

Description of drawings

Fig. 1 is a contour structures schematic diagram of the present utility model.

Fig. 2 is the plan structure schematic diagram of Fig. 1.

Fig. 3 is the structural representation that Fig. 2 analyses and observe along A-A.

Fig. 4 is the structural representation that Fig. 3 analyses and observe along B-B.

Fig. 5 is the structure for amplifying schematic diagram of I among Fig. 4.

Fig. 6 is the structure for amplifying schematic diagram of II among Fig. 4.

Fig. 7 is the structure for amplifying schematic diagram of III among Fig. 4.

Fig. 8 is the structure for amplifying schematic diagram of IV among Fig. 4.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Shown in Figure 1, be contour structures schematic diagram of the present utility model, in conjunction with its plan structure schematic diagram Fig. 2, the top middle part of this cassava slice dryer housing 1 has five motor and

shift drive mechanism

3 and 5 uniformly at intervals.Wherein, motor and shift drive mechanism 5 thereof are located at the center, and specification is bigger than other four, is main motor and shift drive mechanism thereof.Side on housing 1 is provided with the feed hopper 6 that communicates with housing 1 inner chamber, and the middle part on housing 1 is provided with the exhaust outlet 4 that communicates with housing 1 inner chamber.Be provided with Semicircular railing 2 in the outside of housing 1 upper end, be used to observe and safeguard the working condition and the maintenance of top equipment.In the outside of housing 1, be provided with the scavenge trunk 7 that upper and lower side communicates with the housing upper and lower side respectively.Hot blast inlet pipe 9 is located at a side of lower end, housing 1 outside, and communicates with the inner chamber of housing 1.Below housing 1, be provided with discharging control valve 8.

Structural representation shown in Figure 3, that Fig. 2 analyses and observe along A-A.As we know from the figure, lower end at motor and shift drive mechanism 3 thereof drives the minor spiral shaft 12 that has in housing, the lower end of motor and shift drive mechanism 5 thereof drives the king bolt shaft 13 that has in housing 1, the upper and lower side difference positioned at intervals of large and small

helical stir axle

13,12 is on the upper and lower panel of described housing 1, wherein, the lower end of minor spiral shaft 12 also adds strong fix by the backstay 14 that is fixedly connected with housing 1 inboard and porous skew wall bucket 10.

Helical stir axle

12,13 is provided with spiral plate, can stir cassava slice effectively, makes it thermally equivalent.Side upper end in housing 1 also is provided with the manhole ladder 11 that can pass in and out by feed hopper 6, is used for observing and safeguarding the equipment of housing.By seeing among the figure, hot blast inlet pipe 9 communicates with the inner chamber of housing 1, and the lower end of scavenge trunk 7 communicates with the hot blast inlet pipe and the porous skew wall bucket outside, and the upper end communicates with porous skew wall bucket inboard.Lower end in housing 1 is provided with the porous skew wall bucket 10 that communicates with hot blast inlet pipe 9, and the upper port of this porous skew wall bucket 10 and the inwall of housing 1 are fixedly connected, and the discharging opening below lower port and the housing 1 links, and outlet is subjected to the control of discharging control valve 8.

Shown in Figure 4, be the structural representation that Fig. 3 analyses and observe along B-B.In the drawings, in conjunction with among the figure to the structure for amplifying schematic diagram Fig. 5,6 at I, II place, be covered with little open-work 15 on the porous skew wall bucket 10; Again in conjunction with among the figure to the structure for amplifying schematic diagram Fig. 7 at III place, also be evenly equipped with little open-work 16 on the spiral plate of minor spiral shaft 12.In like manner, again in conjunction with among the figure to the structure for amplifying schematic diagram Fig. 8 at IV place, also be evenly equipped with little open-work 17 on the spiral plate of king bolt shaft 13.All open-

work

15,16 and 17 on the spiral plate of porous skew wall bucket 10, minor spiral shaft 12 and the spiral plate of king bolt shaft 13 all is for good ventilated performance being arranged, improving the heated drying efficient of hot blast to cassava slice.

The operation principle of this dryer is:

The thermal source of dryer is from burner, as hot-blast stove, the hot gas that is produced is transported to lower end in the housing 1 and the passage between porous skew wall bucket 10 outsides by the pipeline that communicates with hot blast inlet pipe 9, then, by how little open-work 15 on the porous skew wall bucket 10 and scavenge trunk 7, enter the inner chamber of housing 1 respectively from following and upper end.Cassava slice is put into the inner chamber of housing 1 from feed hopper 6, and the hot blast that enters housing 1 inner chamber carries out heat drying to cassava slice.Large and small

helical stir axle

13,12 rotates under the driving of motor and

shift drive mechanism

5,3 thereof respectively, constantly rotate and stir the cassava slice that stirs in the housing, even above cassava slice brought to from below, raise again fall below, and, owing to also be provided with little open-work 16 and 17 on the spiral plate of large and small

helical stir axle

13,12, can when stirring cassava slice, stirring also transmit hot blast, improved the operating efficiency of heat drying cassava slice, made cassava slice and hot gas fully carry out heat exchange repeatedly and dried.Like this, hot blast enters from the lower end in the housing 1, after the cassava slice in housing 1 chamber is heated, discharges with the exhaust outlet 4 of damp-heat air above housing 1 of cassava slice institute water content.New hot blast constantly enters in housing 1 chamber from hot blast inlet pipe 9, after cassava slice heated, the damp-heat air of the generation constantly exhaust outlet above housing 14 was discharged, and made humidity and temperature accordingly in housing the 1 chamber in, until the moisture content oven dry that cassava slice is contained, thereby achieve the goal.Then, the discharging control valve 8 below control housing 1 is discharged the cassava slice of having dried.

Certainly, in the corollary equipment of this dryer, comprise settings such as the measurement of humidity and temperature and control in addition, for brevity, in above picture and text, do not show out.

Because this cassava slice dryer is to carry out under the state of sealing basically to the heating, drying of cassava slice, there is hot blast constantly to enter in housing 1 chamber from hot blast inlet pipe 9, after cassava slice heated, the damp-heat air that produces the constantly exhaust outlet above housing 14 is discharged hot drying system, and, also have large and small

helical stir axle

13,12 under the driving of motor and

shift drive mechanism

5,3 thereof, to rotate respectively, constantly rotate and stir the cassava slice that stirs in the housing, thereby strengthened the heated drying effect, saved the energy.If by at ordinary times will the cassava slice of giving birth to by Exposure to Sunlight and/natural air drying, needing the time is 3-5 days, gives birth to cassava slice and just can reach only water content 14-17%.This also is only under this moisture content, and various starch factories, Alcohol Plant just purchase.This to the Exposure to Sunlight of giving birth to cassava slice and/the natural air drying process in, also need often ted, labour intensity is very big, and is very consuming time.And after using this cassava slice dryer, the general firewood that per hour only need add about 50kg just can be dried the living cassava slice about 0.5 ton, and is very energy-conservation and convenient.

Embodiment

The important technological parameters of dryer is:

Claims

1, a kind of cassava slice dryer, it comprises cylindrical housing, be located at the feed hopper above the housing and be located at the hot blast inlet pipe of housing lower end one side, it is characterized in that:

Be located at the interior lower end of described housing (1), and the porous skew wall bucket (10) that communicates with described hot blast inlet pipe (9)

In housing (1), positioned at intervals is in some the helical stir axles (12,13) of described housing (1) above and below;

The lower end communicates the scavenge trunk (7) that the upper end communicates with porous skew wall bucket (10) inboard with the described hot blast inlet pipe (9) and porous skew wall bucket (10) outside.

2, cassava slice dryer according to claim 1 is characterized in that:

The upper end of described helical stir axle (12,13) is provided with corresponding motor and shift drive mechanism (3,5) thereof.

3, cassava slice dryer according to claim 1 and 2 is characterized in that:

Also be provided with porous (16,17) on the spiral plate on the described helical stir axle (12,13).