CN203399655U

CN203399655U - Bidirectional regulated and controlled roller drying machine for grain water content

Info

Publication number: CN203399655U
Application number: CN201320349765.7U
Authority: CN
Inventors: 王允良; 王延龙; 殷莉; 王立群; 王立萍
Original assignee: DANDONG HENGYU INSTRUMENT FACTORY
Current assignee: DANDONG HENGYU INSTRUMENT FACTORY
Priority date: 2013-06-17
Filing date: 2013-06-17
Publication date: 2014-01-22
Anticipated expiration: 2023-06-17

Abstract

The utility model provides a bidirectional regulated and controlled roller drying machine for the grain water content. According to the bidirectional regulated and controlled roller drying machine, a horizontal roller tank is rotatably arranged on a base plate; an internally-nested main air pipe and an externally-nested main air pipe are coaxially arranged on the axis of the roller rank; the two main air pipes are led out from the side edge of the roller tank and are in pipe communication with an externally-connected air blowing pipeline and an induced air pipe by external air flue connector parts; two groups of branch pipes which extend and radiate into a space of the roller tank in the radial direction are communicated with the two main air pipes respectively; ventilation pores are densely distributed on the branch pipes. According to the technical scheme, a plurality of dynamically-combined circulating wind streams are formed in the roller tank so as to guarantee that the drying processing of grains is uniform and comprehensive and has no dead angles; the bidirectional regulated and controlled roller drying machine has the technical advantages of low drying temperature, high efficiency, low cost and the like, and the technical problems of existing grain drying equipment that the processing quality is poor, the efficiency is low, the cost is high and the like are solved.

Description

Grain moisture content double regulation control roller drying machine

Technical field

The utility model application relates to the processing treatment facility of regulation and control stored grain moisture, and it is is mostly to remove excessive moisture in foodstuff grain class, so that the grain drying device of preserving, stocking.

Background technology

Effectively controlling stored grain water content is the basic demand of the long-time safety stock of grain.Current the most widely used do mechanization operation grain drying device is mainly the main product of drying tower ，Shi China grain drying device.Drying tower utilizes the heated drying air-flow of blowing up row and the people's grain that continues to fall mutually to drive in the wrong direction, and grain is dried.The Structural Tectonics of existing drying tower with and operation principles to cause drying operational effect not very good, mainly contain: it is poor one, to dry the uniformity; Two, grain free falling drying mode can produce the crushed particles of a great deal of, has affected greatly grain processing quality, has brought certain difficulty to normal storage; Three, drying tower drying efficiency is comparatively limited, owing to driving in the wrong direction between dry gas stream and grain, relative velocity is high, reach scale and dry operational indicator requirement, need the hyperthermia drying environment of 140-230 ℃, particle is charred seriously, the rate that is charred generally between 6-15%, especially extensive grain machineryization plantation grain-producing area, as corn-growing regions, the corn maturity of results is uneven, and existing drying tower equipment is dried operation, and the situation that is charred can be even more serious; Four, existing drying mode processing cost is high, and its processing cost is about 90 yuan/ton, grain stock processing financial pressure larger.

Summary of the invention

Goal of the invention of the present utility model is to provide a kind of grain moisture content double regulation control roller drying machine of drying processing quality, cut down finished cost simultaneously, also can double regulation control grain moisture content content that improves.The grain moisture content double regulation control dryer technical scheme that the utility model provides, its technology contents is: a kind of grain moisture content double regulation control roller drying machine, its horizontal drum tank rotates and is arranged on chassis, in roller tank axis coaxle is provided with, outer two nested air mains, two air mains are drawn by roller tank side, coordinate with the outer air duct interface unit sealed rotational of roller tank side, be communicated with external blowing line and induced duct deferent respectively, radially extending the branched pipe be radiated to roller tank space is divided into two groups and passes into respectively two air mains, on branched pipe, be densely covered with ventilation gap.Wherein said two air mains as air blast supervisor and air inducing supervisor, are connected with blowing line and air inducing pipeline outside roller tank respectively.

In above-mentioned overall technical architecture, the two component arms that are communicated with respectively inside and outside air main intert staggered pitch arrangement each other.A kind of optimum structure of described interspersed staggered pitch arrangement is that the two component arms that are communicated with respectively inside and outside air main are all staggered arrangement vertically and radially.

The disclosed grain moisture content double regulation control of the utility model roller drying machine technical scheme, the branched pipe that is communicated with respectively two air mains of drying tank central authorities is even interlaced arrangement state, probe into roller tank space, air blast is entered the every nook and cranny in roller tank by a group of branches pipe racks on the one hand, by another component, be dissipated in roller tank again, and absorb and collect with upper one group of staggered adjacent branched pipe, by the continual roller tank of taking out of of the air main of being responsible for as air inducing, dehumidify, a lot of staggered two adjacent component arms in roller tank and heap be embedded in and in grain, formed countless dynamic combined circulated air moving air flows, these circulated air moving air flows are dispersed throughout solid space in tank, be accompanied by the rotation of roller tank, grain in rotation is stirred all the time in these densely covered circulated air moving air flows, do not exist and dry dead angle, so drying course is very all even comprehensive, reaching, even surpass under the prerequisite of existing scale processing index request, bake out temperature significantly reduces, only between 80-100 ℃, crushed particles and the appearance that is charred particle have been avoided, and the color and luster of grain, unit weight and other quality index are all better than existing hyperthermia drying method, improved grain processing quality, processing cost also reduces greatly, more existing drying tower processing cost is on average saved about 20-30 yuan/ton.The technical program is except applying mainly as grain drying device, can also adjust process equipment as grain moisture content, the stock grain too low as water content increases the moisture adjustment equipment that water content to set quota requires, to drying in tank, blast the air that contains certain moisture, increase the moisture of grain, be that the technical program not only can be used as drying plant, the process equipment that can also moisturize as adjustment, for recover to stock for a long time, moisture content amount is lower than the grain quality of operation technique index.

Accompanying drawing explanation

Fig. 1 shows the perspective structure figure of two air mains in roller tank.

Fig. 2 is the external air channel pipeline structure figure of roller tank.

Fig. 3 is mounted in the perspective structure figure of the roller tank on chassis.

Fig. 4 is the cross section cutaway view of Fig. 1.

Fig. 5 is the syndeton that has shown part branched pipe and inside and outside air main, in fact on two air mains, spreads all over the branched pipe that has same structure.

Fig. 6 is the perspective structure figure of a branched pipe.

Fig. 7 is the perspective view of outer air duct interface unit.

Fig. 8 is communicated in the arrangement schematic diagram of air main each other as the branched pipe of air blast and air inducing.

Fig. 9 is the schematic diagram of tab structures in roller tank.

The specific embodiment

The disclosed grain moisture content double regulation control of the utility model roller drying machine, mainly by roller tank 1 and chassis 2 and Accessory Members thereof, jointly formed, as shown in Figure 1, two circle roller-ways 11 outside the horizontal drum tank 1 of sealing roll and coordinate with the running roller on chassis 2, chassis 2 can be to be convenient to moving body, and motor shaft rotates through shaft coupling 7 head roll tanks 1.As shown in Figure 3, roller tank 1 tank wall is provided with at least one for grain binning and the opening 10 delivering from godown, and along the axial opening 10 both sides inner tank wall of tank body, has and is the guide slide plate 13 that tilts to outlet 10, so that grain delivers from godown smoothly, avoids the dead angle of delivering from godown.As shown in Fig. 2 or Fig. 5, two air mains 4, in 5, the outer nested central axial line place that is arranged on roller tank 1, roller tank 1 one sides are provided with and air main 4, the outer air duct interface unit 3 that 5 sealed rotational coordinate, described outer air duct interface unit 3 is to consist of central pipe box 30 and the outer pipe box 31 that surrounds central pipe box 30, central authorities' pipe box 30 communicates with the interior air main 4 sealed rotational cooperations in roller tank 1, outer air main 5 sealed rotational are engaged on the inner connecting tube mouth 33 of outer pipe box 31, in making, outer air main 4, between 5, overlapping sheaf space communicates with outer pipe box 31 spaces, by the external mouth of pipe 32, communicated with external pipeline section.

As shown in Figure 5, the inner of first group of some branched pipe 45 passes into interior air main 4, the inner of some branched pipes 54 of second group passes into outer air main 5, all

branched pipes

45,54 are axially evenly arranged along air main, in two

air mains

4,5, be radially homogeneous radiation shape and extend to roller tank 1 space simultaneously, on two

branched pipes

45,54, be evenly densely covered with ventilation gap 40, as shown in Figure 6, it is wide that the Breadth Maximum of its ventilation gap 40 should be not more than processed grain grain grain, and gas length can come specific design to set according to Technology Need.Interlaced interspersed pitch arrangement between two component arms 45 and 54.Fig. 5 and Fig. 7 have provided a staggered pitch arrangement structure, between two

component arms

45 and 54, in axial and footpath, be upwards all staggered arrangement, referring to Fig. 7, the central authorities of supposing dotted line parallelogram are in the first component arm 45, its left and right sides and upper and lower sides are four in second component arm 54, this part arrangement is all same distributed architecture for each branched pipe in two groups, be communicated with respectively between the branched pipe group and the branched pipe group as air inducing supervisor as air blast supervisor, formed and be clouded in roller tank 1 space, the microcirculation windstream that quantity is huge, during grain is stirred with roller tank 1 rotation, all the time in different windstreams, so not existing ventilates, dry the dead angle of processing.

In order to strengthen the effect of stirring to grain, on the inwall of roller tank 1, fix some lugs 17, in embodiment as shown in the figure, the relative symmetric position of roller tank 1 inwall be provided with at least twice that form by some lugs 17, along inwall, there is certain inclination trend and move towards the lug group of reversed dip each other, for increasing mixing effect, lug 17 self also has slope trend.When roller tank 1 rotation, under the grain effect of one group of lug group therein, by tank body one end, stirred gradually to the other end, and by the acting in opposition of another group lug group of opposite side, grain again by tank body one end gradually to returning the movement of stirring, the intensity of stirring that strengthens grain, makes the oven dry operation of grain more even.

Above structure forms, and two air mains especially wherein can air blast, air inducing exchanges, and can realize by outside reversing arrangement, because the existing reversing arrangement of function is a lot of like this, does not repeat them here.As shown in Figure 9 be the external pipeline structure that unit is dried operation, this pipeline is connected and composed by pipeline section by air-introduced machine 6, heater 9, air blast 8 He San

road pipe valves

91,92,93, the second pipe valve 92 is arranged between air-introduced machine 6 and heater 9, between the second pipe valve 92 and heater 9, be provided with the first pipe valve 91 of the air draught mouth of pipe and this mouth of pipe, air-introduced machine 6 output pipes connect the 3rd pipe valve 93 of humidity discharging pipeline and this pipeline, when applying circulating-heating wind in roller tank 1, the first pipe valve 1 and the 3rd pipe valve 3 are closed, and the second pipe valve 92 is open-minded; While needing humidity discharging according to temperature and water content detection result, the second pipe valve 92 is closed, and the first pipe valve 91 is opened air draught, and the 3rd pipe valve 93 is opened for humidity discharging.

Claims

1. a grain moisture content double regulation control roller drying machine, its horizontal drum tank (1) rotates and is arranged on chassis (2), it is characterized in that roller tank axis coaxle is provided with inside and outside two nested air mains (4,5), two air mains are drawn by roller tank side, coordinate to realize with outer air duct interface unit (3) sealed rotational of roller tank side and be communicated with external blowing line and induced duct deferent, radially extend the branched pipe be radiated to roller tank space and divide two groups to pass into respectively two air mains, on branched pipe, be densely covered with ventilation gap (40).

2. grain moisture content double regulation control roller drying machine according to claim 1, the two component arms (45,54) that it is characterized in that being communicated with respectively inside and outside air main intert staggered pitch arrangement each other.

3. grain moisture content double regulation control roller drying machine according to claim 2, is characterized in that the two component arms (45,54) that are communicated with respectively inside and outside air main are all interlaced arrangement vertically and radially.

4. grain moisture content double regulation control roller drying machine according to claim 1, it is characterized in that described outer air duct interface unit (3) is outer pipe box (31) formation by central pipe box (30) and the central pipe box of encirclement (30), central authorities' pipe boxes (30) communicate with interior air main (4) the sealed rotational cooperation in roller tank (1), outer air main (5) sealed rotational is engaged on the inner connecting tube mouth (33) of outer pipe box (31), make to overlap sheaf space between inside and outside air main (4,5) and communicate with outer pipe box (31) space, by the external mouth of pipe (32), communicated with external pipeline section.

5. grain moisture content double regulation control roller drying machine according to claim 1, is characterized in that fixing some lugs (17) on the inwall of roller tank (1).

6. grain moisture content double regulation control roller drying machine according to claim 5, what it is characterized in that the relative symmetric position of roller tank (1) inwall is provided with that twice are at least comprised of some lugs (17) has certain inclination trend and a lug group of reversed dip trend each other, and lug (17) self also has slope trend.

7. grain moisture content double regulation control roller drying machine according to claim 1, it is characterized in that roller tank (1) tank wall is provided with at least one for grain binning and the opening (10) delivering from godown, and has and is the guide slide plate (13) that tilts to outlet (10) along the axial opening of tank body (10) both sides inner tank wall.

8. grain moisture content double regulation control roller drying machine according to claim 4, it is characterized in that the external pipeline structure that external pipeline section connects is connected and composed by pipeline section by air-introduced machine (6), heater (9), air blast (8) He San road pipe valve (91,92,93), the second pipe valve (92) is arranged between air-introduced machine (6) and heater (9), between the second pipe valve (92) and heater (9), be provided with first pipe valve (91) of the air draught mouth of pipe and this mouth of pipe, air-introduced machine (6) output pipe connects the 3rd pipe valve (93) of humidity discharging pipeline and this pipeline.