CN104738160A - Grain drying device - Google Patents

Grain drying device Download PDF

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Publication number
CN104738160A
CN104738160A CN201510146285.4A CN201510146285A CN104738160A CN 104738160 A CN104738160 A CN 104738160A CN 201510146285 A CN201510146285 A CN 201510146285A CN 104738160 A CN104738160 A CN 104738160A
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China
Prior art keywords
grain
air
layer
glidepath
inlet pipe
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CN201510146285.4A
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CN104738160B (en
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黄胜
纪峰
陶雷
周伟
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Crack Machinery Manufacturing Co Ltd Of Jinhu County
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Crack Machinery Manufacturing Co Ltd Of Jinhu County
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Abstract

The invention discloses a grain drying device. The grain drying device comprises a grain feeding system, a grain drying system and an exhaust system. An inlet in the lower end of a first grain feeding pipeline stretches into the interior of a grain pit, and a first speed reduction motor is arranged at the upper end of the first grain feeding pipeline; an outlet in the upper end of the first grain feeding pipeline is connected with a first lower sliding rail way, and the lower end of the first lower sliding rail way is connected with a feeding opening in the upper end of a precleaner; a discharging opening in the lower end of the precleaner is connected with a second lower sliding rail way, and the lower end of the second lower sliding rail way is connected with a feeding opening in the lower end of a second grain feeding pipeline; two discharging openings are formed in the upper end of the second grain feeding pipeline, and are provided with valves; one discharging opening is connected with a third lower sliding rail way, and the other discharging opening is connected with a final discharging pip; screw elevators for conveying grains are arranged in the first grain feeding pipeline and the second grain feeding pipeline, and are connected with the first speed reduction motor and a second speed reduction motor, and the lower end of the third lower sliding rail way is connected with a feeding opening of the grain drying system.

Description

A kind of grain drying device
Technical field
The present invention relates to foodstuff processing technology field, specifically a kind of grain drying device.
Background technology
China is the production and selling big country of the grain such as paddy, wheat, more or less containing moisture after grain harvest, under certain environmental condition, very easily bring out heating, ferment, go mouldy, germination etc., airing or just can carry out after drying must store, process or transport etc.On the other hand, along with wideling popularize and use of united reaper, and the rise of big farming household, original natural drying is more and more infeasible because of inefficiency and easy damage.3rd, stored grain gets damp due to spontaneous combustion, also needs regular airing, and guarantee grain does not go mouldy even rotten, therefore needs grain again to dry.
Therefore, designing the foodstuff drying device that simple, the convenient and practical grain of a kind of structure is energy-efficient, is the technical issues that need to address in grain processing, transport and storage process.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of grain drying device, can not only fast by grain heat-drying, be convenient to store, easy to use, drying time is short, and operating efficiency is high, cost-saving, can not to environment, long service life, avoid because of long-time humidity cause generating heat, ferment, go mouldy, the problem such as germination.
Technical scheme: a kind of grain drying device of the present invention, comprise into grain system, grain drying system and gas extraction system, enter grain system and comprise grain hole for storing grain, the first crop inlet pipe road, the first reducing motor, the first glidepath, receiving sieve, the second glidepath, the second crop inlet pipe road, the second reducing motor and the 3rd glidepath, first crop inlet pipe road and the second crop inlet pipe road are all vertically arranged, and the first glidepath, the second glidepath and the 3rd glidepath are all obliquely installed;
It is inner that first crop inlet pipe road lower inlet stretches into grain hole, first upper end, crop inlet pipe road is provided with the first reducing motor, first crop inlet pipe road upper end outlet is connected with the first glidepath, the lower end of the first glidepath is connected with the charging aperture of receiving sieve upper end, the discharging opening of receiving sieve lower end is connected with the second glidepath, second glidepath lower end is connected with the second lower end, crop inlet pipe road charging aperture, second reducing motor is arranged on the second upper end, crop inlet pipe road, and the second upper end, crop inlet pipe road is provided with two discharging openings, two discharging openings are equipped with valve, one of them discharging opening is connected with the 3rd glidepath, another discharging opening is connected with final discharge nozzle, first crop inlet pipe road and inside, the second crop inlet pipe road are equipped with the screw elevator for carrying grain, screw elevator is connected with the first reducing motor and the second reducing motor respectively, 3rd glidepath lower end is connected with grain drying system feeding mouth,
Grain drying system comprises the drying tower, hot-blast stove and the warm-air pipe that vertically arrange, hot-blast stove outlet is connected with warm-air pipe one end, the warm-air pipe other end is connected with drying tower, the charging aperture of drying tower upper end is connected with the 3rd glidepath lower end, and drying tower bottom discharge mouth is also connected with the charging aperture of the second lower end, crop inlet pipe road;
Gas extraction system comprises flue gas leading, air-introduced machine and dirt pocket, and flue gas leading one end is connected with drying tower, and the other end is connected with the air inlet of air-introduced machine, and the gas outlet of air-introduced machine is connected with dirt pocket.
By technical scheme of the present invention, arrange into grain system, grain drying system and gas extraction system, make to need drying grain cyclic drying in grain drying system, until reach dry requirement, can not only, fast by grain heat-drying, be convenient to store, easy to use, drying time is short, operating efficiency is high, cost-saving, can not to environment, long service life, avoid because of long-time humidity cause generating heat, ferment, go mouldy, the problem such as germination.
The technical scheme that the present invention limits further is:
Aforesaid grain drying device, drying tower inside is provided with from top to bottom successively into grain layer, baking zone, tempering layer, arrange grain layer and remove wet layer, be positioned at baking zone place in drying tower both sides and be provided with air intake bellows and air-out bellows, be provided with air inlet layer in baking zone short transverse and go out gas-bearing formation, air inlet layer and go out gas-bearing formation apart from one another by setting, air inlet layer is made up of air inlet air drain, go out gas-bearing formation to be made up of air drain of giving vent to anger, air inlet air drain opening is along its length communicated with air intake bellows, air drain opening along its length of giving vent to anger is communicated with air-out bellows, and give vent to anger air drain and air inlet air drain also offer opening in downward direction,
Tempering layer is between baking zone and row's grain layer, and tempering layer four sides is confined space, and tempering layer is used for baking zone and arranges grain interlayer at a certain distance, and the height of tempering layer is 2-10m;
Row's grain layer is positioned at the lower end of tempering layer, at least one downward " V " font row grain mouth is provided with at row's grain layer, " " font row grain mouth is arranged side by side V, " " font row grain mouth exit is provided with rotary blade for the row's of control grain speed to V, and rotary blade one end along its length drives its gear rotated in addition;
Except wet layer is positioned at the lower end of row's grain layer, the side sidewall that drying tower is positioned at except wet layer offers at least one air admission hole, and opposite side offers the gas outlet be communicated with air exhauster side by side;
The blanking inclined-plane of " V " character form structure is also being provided with except wet layer lower end, lower end, blanking inclined-plane is provided with the delivery chute of " U " font horizontal direction, the spiral conveyor rod for carrying grain is also provided with in delivery chute, one end along delivery chute length direction is also provided with grain discharging opening, grain discharging opening is connected with the charging aperture of the second lower end, crop inlet pipe road, such drying tower inside is provided with from top to bottom successively into grain layer, baking zone, tempering layer, arrange grain layer and remove wet layer, at baking zone, bellows and air inlet are set, to give vent to anger air drain, air intake bellows are utilized to pass in baking zone by hot gas, entered by one end of air inlet air drain, give vent to anger from the lower end of air inlet air drain, the process that grain is falling fully is contacted with hot blast, carry out heat trnasfer, intensification precipitation is carried out to grain, moisture in vaporization grain, and filter, dust is taken away, carry out first time steam mixed flow, make the waste gas after heat exchange enter air-out bellows from the opening of air drain lower end of giving vent to anger simultaneously, be discharged in dirt pocket, be discharged in air after dust in abundant elimination waste gas, protection of the environment is not contaminated, operating efficiency is high, in tempering layer, surrounding is airtight, grain is made to carry out heat trnasfer each other, reach poised state, avoid local temperature difference too large, eliminate the gradation of moisture, reduction equipment operating efficiency, improve the quality of products, when grain enters into row's grain layer, rotary blade is utilized to control row's grain speed, improve automatization level, operating efficiency is high, simple to operate, when grain enters into except wet layer, air admission hole and air exhauster is utilized to make grain carry out heat exchange in the process fallen and natural air, cooling precipitation, take away the moisture in grain and dust, carry out second time steam mixed flow, thus drying grain, after grain repeatedly circulates, reach drought index, whole process, the time is short, adopt secondary steam mixed flow, efficiency is high, and in heat exchanging process, heat exchange is abundant, cost-saving.
Aforesaid grain drying device, baking zone medium position is also provided with grain position conversion device, grain position conversion device comprises the transition duct being vertically arranged on baking zone edge, baking zone center position is stretched in transition duct lower end outlet along its length, grain due to edge is heated uneven, utilize grain position conversion device like this, the grain be not fully heated of drying tower inner wall edge can be made to move to center, grain is fully heated, carry out heat exchange, improve the efficiency of heat exchange, this structure is simple simultaneously, cost is low, Maintenance free.
Aforesaid grain drying device, air-out bellows are provided with dedusting hole, and air-out bellows arrange dedusting hole, facilitate the artificial dust by inner bellows to clear up away, avoid blocking, are conducive to equipment and increase work efficiency.
Aforesaid grain drying device, grain hole is arranged on horizontal plane lower end, and is also provided with netted grid blocks at the grain-entering mouth place in grain hole, blocks the foreign matter that can filter out in grain, avoid blocking, increase work efficiency simultaneously by grid.
Compared with prior art, its beneficial effect is in the present invention: arrange into grain system, grain drying system and gas extraction system, and making needs drying grain cyclic drying in grain drying system, until reach dry requirement, can not only, fast by grain heat-drying, be convenient to store, easy to use, drying time is short, operating efficiency is high, cost-saving, can not to environment, long service life, avoid because of long-time humidity cause generating heat, ferment, go mouldy, the problem such as germination, drying tower inside is provided with from top to bottom successively into grain layer, baking zone, tempering layer, arrange grain layer and remove wet layer, at baking zone, bellows and air inlet are set, to give vent to anger air drain, air intake bellows are utilized to pass in baking zone by hot gas, entered by one end of air inlet air drain, give vent to anger from the lower end of air inlet air drain, the process that grain is falling fully is contacted with hot blast, carry out heat trnasfer, intensification precipitation is carried out to grain, moisture in vaporization grain, and filter, dust is taken away, carry out first time steam mixed flow, make the waste gas after heat exchange enter air-out bellows from the opening of air drain lower end of giving vent to anger simultaneously, be discharged in dirt pocket, be discharged in air after dust in abundant elimination waste gas, protection of the environment is not contaminated, operating efficiency is high, in tempering layer, surrounding is airtight, grain is made to carry out heat trnasfer each other, reach poised state, avoid local temperature difference too large, eliminate the gradation of moisture, reduction equipment operating efficiency, improve the quality of products, when grain enters into row's grain layer, rotary blade is utilized to control row's grain speed, improve automatization level, operating efficiency is high, simple to operate, when grain enters into except wet layer, air admission hole and air exhauster is utilized to make grain carry out heat exchange in the process fallen and natural air, cooling precipitation, take away the moisture in grain and dust, carry out second time steam mixed flow, thus drying grain, after grain repeatedly circulates, reach drought index, whole process, the time is short, adopt secondary steam mixed flow, efficiency is high, and in heat exchanging process, heat exchange is abundant, cost-saving, utilize grain position conversion device, the grain be not fully heated of drying tower inner wall edge can be made to move to center, grain is fully heated, carries out heat exchange, improve the efficiency of heat exchange, this structure is simple simultaneously, and cost is low, Maintenance free, air-out bellows arrange dedusting hole, facilitates the artificial dust by inner bellows to clear up away, avoid blocking, be conducive to equipment and increase work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the front view of drying tower in the present invention;
Fig. 3 is the top view of drying tower in the present invention;
Fig. 4 is the sectional view of A-A in Fig. 2;
Fig. 5 is the sectional view of B-B in Fig. 3;
Fig. 6 and Fig. 7 is the structural representation of drying tower in the present invention;
Wherein: 1-grain is cheated, 2-first crop inlet pipe road, 3-first reducing motor, 4-first glidepath, 5-receiving sieve, 6-second glidepath, 7-second crop inlet pipe road, 8-second reducing motor, 9-the 3rd glidepath, 10-drying tower, 11-hot-blast stove, 12-warm-air pipe, 13-flue gas leading, 14-air-introduced machine, 15-dirt pocket, 16-enters grain layer, 17-baking zone, 18-tempering layer, 19-arranges grain layer, 20-is except wet layer, 21-air intake bellows, 22-air-out bellows, 23-gives vent to anger air drain, 24-air inlet air drain, 25-" V " font row grain mouth, 26-rotary blade, 27-gear, 28-air admission hole, 29-gas outlet, 30-blanking inclined-plane, 31-delivery chute, 32-grain discharging opening, the final discharge nozzle of 33-, 34-opening, 35-transition duct, 36-dedusting hole, 37-grid block, 38-spiral conveyor rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1:
The present embodiment provides a kind of grain drying device, comprise into grain system, grain drying system and gas extraction system, enter grain system comprise for storing grain grain hole the 1, first crop inlet pipe road 2, first reducing motor 3, first glidepath 4, receiving sieve 5, second glidepath 6, second crop inlet pipe road 7, second reducing motor 8 and the 3rd glidepath 9, first crop inlet pipe road 2 and the second crop inlet pipe road 7 are all vertically arranged, and the first glidepath 4, second glidepath 6 and the 3rd glidepath 9 are all obliquely installed;
It is inner that first crop inlet pipe road 2 lower inlet stretches into grain hole 1, first upper end, crop inlet pipe road 2 is provided with the first reducing motor 3, first crop inlet pipe road 2 upper end outlet is connected with the first glidepath 4, the lower end of the first glidepath 4 is connected with the charging aperture of receiving sieve 5 upper end, the discharging opening of receiving sieve 5 lower end is connected with the second glidepath 6, second glidepath 6 lower end is connected with the second lower end, crop inlet pipe road 7 charging aperture, second reducing motor 8 is arranged on the second upper end, crop inlet pipe road 7, and the second upper end, crop inlet pipe road 7 is provided with two discharging openings, two discharging openings are equipped with valve, one of them discharging opening is connected with the 3rd glidepath 9, another discharging opening is connected with final discharge nozzle 33, first crop inlet pipe road 2 and the second inside, crop inlet pipe road 7 are equipped with the screw elevator for carrying grain, screw elevator is connected with the first reducing motor 3 and the second reducing motor 8 respectively, 3rd glidepath 9 lower end is connected with grain drying system feeding mouth,
Grain drying system comprises the drying tower 10, hot-blast stove 11 and the warm-air pipe 12 that vertically arrange, hot-blast stove 11 outlet is connected with warm-air pipe 12 one end, warm-air pipe 12 other end is connected with drying tower 10, the charging aperture of drying tower 10 upper end is connected with the 3rd glidepath 9 lower end, and drying tower 10 bottom discharge mouth is also connected with the charging aperture of the second lower end, crop inlet pipe road 7;
Gas extraction system comprises flue gas leading 13, air-introduced machine 14 and dirt pocket 15, and flue gas leading 13 one end is connected with drying tower 10, and the other end is connected with the air inlet of air-introduced machine 14, and the gas outlet of air-introduced machine 14 is connected with dirt pocket 15;
Drying tower 10 inside is provided with from top to bottom successively into grain layer 16, baking zone 17, tempering layer 18, arrange grain layer 19 and remove wet layer 20, be positioned at baking zone 17 place in drying tower 10 both sides and be provided with air intake bellows 21 and air-out bellows 22, be provided with air inlet layer in baking zone 17 short transverse and go out gas-bearing formation, air inlet layer and go out gas-bearing formation apart from one another by setting, air inlet layer is made up of air inlet air drain 24, go out gas-bearing formation to be made up of air drain 23 of giving vent to anger, air inlet air drain 24 opening is along its length communicated with air intake bellows 21, air drain 23 opening along its length of giving vent to anger is communicated with air-out bellows 22, and give vent to anger air drain 23 and air inlet air drain 24 also offer opening 34 in downward direction,
Tempering layer 18 is between baking zone 17 and row's grain layer 19, and tempering layer 18 four sides is confined space, and tempering layer 18 is for keeping at a certain distance away baking zone 17 and row's grain layer 19, and the height of tempering layer 18 is 2m;
Row's grain layer 19 is positioned at the lower end of tempering layer 18, five downward " V " font row grain mouths 25 are provided with at row's grain layer 19, " " font row grain mouth 25 is arranged side by side V, " " font row grain mouth 25 exit is provided with rotary blade 26 for the row's of control grain speed, the gear 27 that rotary blade 26 one end along its length drives it to rotate in addition to V;
Except wet layer 20 is positioned at the lower end of row's grain layer 19, the side sidewall that drying tower 10 is positioned at except wet layer 20 offers 100 air admission holes 28, and opposite side offers the gas outlet 29 be communicated with air exhauster;
The blanking inclined-plane 30 of " V " character form structure is also being provided with except wet layer 20 lower end, lower end, blanking inclined-plane 30 is provided with the delivery chute 31 of " U " font horizontal direction, the spiral conveyor rod 38 for carrying grain is also provided with in delivery chute 31, one end along delivery chute 31 length direction is also provided with grain discharging opening 32, and grain discharging opening 32 is connected with the charging aperture of the second lower end, crop inlet pipe road 7;
Baking zone 17 medium position is also provided with grain position conversion device, and grain position conversion device comprises the transition duct 35 being vertically arranged on baking zone 17 edge, and baking zone 17 center position is stretched in transition duct 35 lower end outlet along its length; Air-out bellows 22 are provided with dedusting hole 36, and bellows arrange dedusting hole, facilitate the artificial dust by inner bellows to clear up away, avoid blocking, are conducive to equipment and increase work efficiency; Grain hole 1 is arranged on horizontal plane lower end, and is also provided with netted grid at the grain-entering mouth place in grain hole 1 and blocks 37, blocks the foreign matter that can filter out in grain, avoid blocking, increase work efficiency simultaneously by grid.
The course of work of the present embodiment: grain is first poured in grain hole 1, by the first crop inlet pipe road 2, first reducing motor 3 and the first glidepath 4, grain is transported in receiving sieve 5 and carries out filtering screening, grain after filtration enters into the second crop inlet pipe road 7 by the second glidepath 6, recycling the second reducing motor 8 and the 3rd glidepath 9, to make grain enter into drying tower 10 dry, first grain is introduced into into grain layer 16 and baking zone 17, when entering into baking zone 17, hot gas in hot-blast stove 11 enters into air intake bellows 21 by warm-air pipe 12, then hot blast and grain is made to carry out heat exchange by air inlet air drain, waste gas after heat exchange completes is discharged by air drain of giving vent to anger, waste gas enters into air-out bellows 22, by air-introduced machine 14 waste gas is discharged in dirt pocket 15 again and carries out dust removal process, then be discharged in air, moisture after being heated in grain and dust are taken away by waste gas, complete first time steam mixing, grain enters into tempering layer 18, in tempering layer 18, carry out heat exchange between grain, be heated evenly between grain,
Secondly grain enters into row's grain layer 19, utilize " V " font row grain mouth 25 and rotary blade 26, row's grain speed is controlled according to on-site actual situations, the continuous operation of equipment can be ensured, avoid shutting down phenomenon to produce, then grain enters into except wet layer 20, open air exhauster, natural wind is sucked into and again carries out heat exchange except in wet layer 20 with grain, by the heat in grain, moisture and dust are taken away by natural wind, complete the mixing of second time steam, reach the object of drying grain, last grain enters in the delivery chute 31 of lower end, spiral conveyor rod 38 is utilized to be transported to by grain in the charging aperture of the second lower end, crop inlet pipe road 7, again grain is sent to and enters grain layer 16 in drying tower 10, baking zone 17, tempering layer 18, arrange grain layer 19 and remove wet layer 20 cyclic drying, after the aridity of final grain is qualified after testing, by the second upper end, crop inlet pipe road 7 be used for control the valve closing that a discharging opening is communicated with the 3rd glidepath 9, open for controlling the valve that another discharging opening is communicated with final discharge nozzle 33 valve, make grain pass through final discharge nozzle 33 and enter into subsequent processing, Grain Drying Process completes.
Like this, the present embodiment can not only, fast by grain heat-drying, be convenient to store, easy to use, drying time is short, and operating efficiency is high, cost-saving, can not to environment, long service life, avoid because of long-time humidity cause generating heat, ferment, go mouldy, the problem such as germination.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.

Claims (5)

1. a grain drying device, it is characterized in that: comprise into grain system, grain drying system and gas extraction system, described enter grain system comprise for storing grain grain hole (1), first crop inlet pipe road (2), first reducing motor (3), first glidepath (4), receiving sieve (5), second glidepath (6), second crop inlet pipe road (7), second reducing motor (8) and the 3rd glidepath (9), described first crop inlet pipe road (2) and the second crop inlet pipe road (7) are all vertically arranged, described first glidepath (4), second glidepath (6) and the 3rd glidepath (9) are all obliquely installed,
It is inner that described first crop inlet pipe road (2) lower inlet stretches into grain hole (1), described first crop inlet pipe road (2) upper end is provided with the first reducing motor (3), described first crop inlet pipe road (2) upper end outlet is connected with the first glidepath (4), the lower end of described first glidepath (4) is connected with the charging aperture of receiving sieve (5) upper end, the discharging opening of described receiving sieve (5) lower end is connected with the second glidepath (6), described second glidepath (6) lower end is connected with the second crop inlet pipe road (7) lower end charging aperture, described second reducing motor (8) is arranged on the second crop inlet pipe road (7) upper end, and described second crop inlet pipe road (7) upper end is provided with two discharging openings, described two discharging openings are equipped with valve, one of them discharging opening is connected with the 3rd glidepath (9), another discharging opening is connected with final discharge nozzle (33), described first crop inlet pipe road (2) and the second crop inlet pipe road (7) inside are equipped with the screw elevator for carrying grain, described screw elevator is connected with the first reducing motor (3) and the second reducing motor (8) respectively, described 3rd glidepath (9) lower end is connected with grain drying system feeding mouth,
Described grain drying system comprises the drying tower (10), hot-blast stove (11) and the warm-air pipe (12) that vertically arrange, described hot-blast stove (11) outlet is connected with warm-air pipe (12) one end, described warm-air pipe (12) other end is connected with drying tower (10), the charging aperture of described drying tower (10) upper end is connected with the 3rd glidepath (9) lower end, and described drying tower (10) bottom discharge mouth is also connected with the charging aperture of the second crop inlet pipe road (7) lower end;
Described gas extraction system comprises flue gas leading (13), air-introduced machine (14) and dirt pocket (15), described flue gas leading (13) one end is connected with drying tower (10), the other end is connected with the air inlet of air-introduced machine (14), and the gas outlet of described air-introduced machine (14) is connected with dirt pocket (15).
2. grain drying device according to claim 1, it is characterized in that: described drying tower (10) inside is provided with into grain layer (16) from top to bottom successively, baking zone (17), tempering layer (18), arrange grain layer (19) and remove wet layer (20), be positioned at baking zone (17) place in described drying tower (10) both sides and be provided with air intake bellows (21) and air-out bellows (22), be provided with air inlet layer in described baking zone (17) short transverse and go out gas-bearing formation, described air inlet layer and go out gas-bearing formation apart from one another by setting, described air inlet layer is made up of air inlet air drain (24), described go out gas-bearing formation be made up of air drain of giving vent to anger (23), described air inlet air drain (24) opening is along its length communicated with air intake bellows (21), described air drain of giving vent to anger (23) opening is along its length communicated with air-out bellows (22), and described in give vent to anger air drain (23) and air inlet air drain (24) also offer opening (34) in downward direction,
Described tempering layer (18) is positioned between baking zone (17) and row's grain layer (19), and tempering layer (18) four sides is confined space, described tempering layer (18) is for keeping at a certain distance away baking zone (17) and row's grain layer (19), and the height of described tempering layer (18) is 2-10m;
Described row's grain layer (19) is positioned at the lower end of tempering layer (18), at least one downward " V " font row's grain mouth (25) is provided with described row's grain layer (19), it is described that " " font row's grain mouth (25) is arranged side by side V, " " font row grain mouth (25) exit is provided with rotary blade (26) for the row's of control grain speed to V, and described rotary blade (26) one end along its length drives its gear rotated (27) in addition described;
Describedly be positioned at the lower end of row's grain layer (19) except wet layer (20), the side sidewall that described drying tower (10) is positioned at except wet layer (20) offers at least one air admission hole (28), and opposite side offers the gas outlet (29) be communicated with air exhauster side by side;
The blanking inclined-plane (30) that wet layer (20) lower end is also provided with " V " character form structure is removed described, described blanking inclined-plane (30) lower end is provided with the delivery chute (31) of " U " font horizontal direction, the spiral conveyor rod (38) for carrying grain is also provided with in described delivery chute (31), one end along described delivery chute (31) length direction is also provided with grain discharging opening (32), and described grain discharging opening (32) is connected with the charging aperture of the second crop inlet pipe road (7) lower end.
3. grain drying device according to claim 2, it is characterized in that: described baking zone (17) medium position is also provided with grain position conversion device, described grain position conversion device comprises the transition duct (35) being vertically arranged on baking zone (17) edge, and baking zone (17) center position is stretched in described transition duct (35) lower end outlet along its length.
4. grain drying device according to claim 2, is characterized in that: described air-out bellows (22) are provided with dedusting hole (36).
5. grain drying device according to claim 1, is characterized in that: described grain hole (1) is arranged on horizontal plane lower end, and is also provided with netted grid at the grain-entering mouth place of described grain hole (1) and blocks (37).
CN201510146285.4A 2015-03-30 2015-03-30 A kind of grain drying device Active CN104738160B (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN105432782A (en) * 2015-11-09 2016-03-30 安徽东科农机科技有限公司 Grain dryer
CN106839679A (en) * 2017-03-30 2017-06-13 泰州市飞船粮食种植专业合作社 A kind of large automatic grain drying device
CN106958994A (en) * 2017-04-14 2017-07-18 汉广天工机械设备(北京)有限公司 A kind of blinds coral tower three-stage drying plant and furnace drying method
CN107183174A (en) * 2017-06-27 2017-09-22 合肥朝霞机械科技有限公司 A kind of grain drying device and its application method
CN107843105A (en) * 2017-11-01 2018-03-27 界首市润安机械有限公司 A kind of circulating energy-saving grain drying device
CN107906932A (en) * 2017-09-19 2018-04-13 合肥市凯佳机械加工有限公司 A kind of new drying tower drying layer
CN114294935A (en) * 2021-12-31 2022-04-08 全椒金竹机械制造有限公司 Multi-section grain drying device

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CN106839679A (en) * 2017-03-30 2017-06-13 泰州市飞船粮食种植专业合作社 A kind of large automatic grain drying device
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CN107906932A (en) * 2017-09-19 2018-04-13 合肥市凯佳机械加工有限公司 A kind of new drying tower drying layer
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