CN212806422U - High-efficient environment-friendly grain drying-machine - Google Patents

Abstract

The utility model relates to the technical field of grain drying, and discloses a high-efficiency environment-friendly grain dryer, which comprises a double-channel drying part, a storage part, a discharge part and a feeding and discharging system, wherein the double-channel drying part is used for drying grains, and comprises two drying boxes which are symmetrically arranged in a left-right manner, a hot air chamber which is respectively communicated with the two drying boxes is arranged between the two drying boxes, the hot air chamber is externally connected with a drying medium through an air inlet box, one side of each drying box, which is far away from the hot air chamber, is provided with a waste air chamber which is communicated with the drying boxes, and a single waste air chamber is respectively connected with an; binary channels drying portion adopts the mixed flow formula structure, middle air inlet, both sides air-out, can reduce the heat loss in the at utmost, and energy-conserving effect of stoving is obvious, and the crisscross arrangement of the horn shape box of air inlet and the horn shape box of air-out of variable cross section makes cereal be S form downflow in the drying cabinet for cereal and dry hot-blast contact are abundant like this, are heated more evenly, and drying efficiency has obviously promoted with the current drying-machine type of quality after drying.

Description

High-efficient environment-friendly grain drying-machine

Technical Field

The utility model belongs to the technical field of the cereal stoving technique and specifically relates to a high-efficient environment-friendly cereal drying-machine is related to.

Background

In recent years, the mechanized drying of grains in China is rapidly developed and applied, and grain dryers are widely applied to grain storage, processing and circulation enterprises, cooperative societies and grain farmers, so that the loss caused by mildew due to too late drying in the grain storage process is effectively solved. The existing grain drying equipment in China mainly dries hot air, has two types of high-temperature continuous type and low-temperature circulating type, and plays a key role in promoting the whole-process mechanization process of agriculture in China, reducing postpartum loss and guaranteeing national grain safety in the existing grain drying equipment and drying mode.

With the continuous expansion of the grain drying market and the continuous extension of the user group, the performance and functional requirements on the dryer are continuously improved: due to the improvement of the harvesting mechanization degree, the harvesting period is shortened, the requirement on the processing capacity of the dryer is improved, and the dryer is developed in a large scale; due to the fact that seeds are robbed for harvest, the harvesting period is advanced, the original moisture is too high and the seeds are immature after harvesting, and higher requirements are provided for the precipitation efficiency and the drying performance of the dryer; the proportion of the client group engaged in grain purchasing and trade is increased, and a dryer is required to be capable of drying not only rice but also various materials such as wheat, corn, beans and the like, so that the development direction is changed to one machine with multiple functions.

At present, grain dryers used in south China and middle regions are developed on the basis of the Japanese low-temperature circulating grain dryer technology, quality guarantee drying of rice is taken as a main purpose, the grain dryers can effectively guarantee the quality of the dried grains, and the germination rate and the taste of the food are not affected. But for high-moisture materials such as corn and wheat, the defects of low efficiency, high energy consumption, increased breakage rate after drying and the like exist, and the actual requirements of the corn and wheat main production areas in the middle of China cannot be met. Therefore, a new machine type is needed to solve the practical problems encountered in the existing grain drying process.

SUMMERY OF THE UTILITY MODEL

At the bottom of the drying efficiency to above-mentioned current grain dryer existence, the problem that the energy consumption is high, a can solve or partly solve above-mentioned technical problem' S high-efficient environment-friendly grain dryer is provided, design through the structure, it flows downwards to make cereal get into to be S form behind the dryer, and drying medium (hot-blast) also is the form of the two-way ventilation of S form crossing current in the oven, make cereal and drying medium (hot-blast) can fully contact, the homogeneity of cereal stoving has been guaranteed, thereby drying efficiency has been improved, the energy consumption is reduced.

In order to solve the technical problem, the utility model provides a high efficiency environmental protection type grain drying machine, include:

the double-channel drying part is used for drying grains and comprises two drying boxes which are arranged in a bilateral symmetry mode, a hot air chamber which is respectively communicated with the two drying boxes is arranged between the two drying boxes, the hot air chamber is externally connected with a drying medium through an air inlet box, an exhaust gas chamber which is communicated with the drying boxes is arranged on one side, far away from the hot air chamber, of each drying box, and the single exhaust gas chamber is respectively connected with an exhaust fan through an air outlet box;

the storage part is positioned above the drying part, communicated with the top of the drying part and used for caching grains to be dried;

the discharging part is positioned below the drying part, is communicated with the bottom of the drying part, is supported by the base and is used for discharging grains dried by the double-channel drying part;

and the feeding and discharging system is communicated with the discharging mechanism and is used for feeding grains to be dried to the storage part, or circulating the grains from the discharging mechanism to the dryer for drying again or directly discharging the grains.

Further, it is single the top and the bottom of drying cabinet are open structure, constitute by a plurality of upper and lower open-ended drying layers, singly the air inlet horn shape layer and the air outlet horn shape layer of arranging about being equipped with in the drying layer, the air inlet horn shape layer includes a plurality of air inlet horn shape boxes of evenly arranging, the air outlet horn shape layer includes a plurality of air outlet horn shape boxes of evenly arranging, be crisscross the arrangement between air inlet horn shape box and the air outlet horn shape box.

Furthermore, the single air inlet horn-shaped box and the air outlet horn-shaped box are both of variable-section big and small head structures, both are large-head open and small-head closed, and the cross sections of the single air inlet horn-shaped box and the single air outlet horn-shaped box are both inverted V-shaped with an open bottom;

the big end of the air inlet horn-shaped box is fixed on the side plate close to one side of the hot air chamber, the small end of the air outlet horn-shaped box is fixed on the side plate close to one side of the waste air chamber, the big end of the air outlet horn-shaped box is fixed on the side plate close to one side of the waste air chamber, and the two side plates are respectively provided with an opening corresponding to the big end of the air inlet horn-shaped box and the big end of the air outlet horn-shaped box.

Further, the discharge portion includes:

the two groups of discharging and flow guiding assemblies are respectively positioned at the bottoms of the two drying boxes and comprise two pairs of material collecting plates which are arranged in the length direction of the air inlet horn-shaped box and the air outlet horn-shaped box, each pair of material collecting plates form a material collecting groove with an opening at the bottom, an inverted V-shaped guide plate is arranged right above a single material collecting groove, and a plurality of V-shaped grooves with openings at the bottoms are formed between the material collecting plates and the inverted V-shaped guide plates;

the discharging assembly comprises a discharging motor, a plurality of discharging wheels, a plurality of tensioning wheels and chains, wherein the discharging wheels, the tensioning wheels and the chains are respectively arranged on two sides of a bottom opening of the collecting groove;

the discharging hoppers are respectively positioned below the two groups of discharging guide assemblies and are used for collecting grains discharged from the bottom opening of the collecting groove through the discharging assemblies;

and the discharge auger is respectively communicated with the bottoms of the two discharge hoppers, one end of the discharge auger is provided with an auger motor, and the other end of the discharge auger is communicated with the feeding and discharging system and is used for conveying the grains from the feeding and discharging system.

Further, in the row material portion, be located two sets of row material water conservancy diversion subassembly both sides and be equipped with respectively by the cavity with the exhaust gas chamber intercommunication, be equipped with a plurality of adjustable trompils on the interior curb plate of cavity respectively, will arrange material portion and exhaust gas chamber intercommunication through a plurality of adjustable trompils for carry out the edulcoration to the cereal of arranging material portion.

Further, the feeding and discharging system comprises a lifter, a feeding chute and a distributor;

one side of the bottom of the elevator is provided with a feed hopper, and the other side of the bottom of the elevator is communicated with a discharge port of the discharge part, namely communicated with a discharge auger;

one end of the feeding chute is communicated with a discharge hole at the top of the elevator, the other end of the feeding chute penetrates into the storage part from the center of the top plate of the storage part, a discharge hopper is arranged on the feeding chute, a discharge pipe is arranged at the bottom of the discharge hopper, and a movable turning plate is arranged between the feeding chute and the discharge hopper) and used for controlling grains to enter the dryer or be discharged out of the dryer;

the distributing device is arranged corresponding to the discharge end of the feeding chute and used for distributing the grains from the feeding chute into the dryer uniformly.

Further, the feeding chute comprises a feeding inclined tee joint, a discharging inclined tee joint and a chute;

the feeding inclined tee joint and the discharging inclined tee joint are connected through an elephant trunk, the feeding inclined tee joint and the discharging inclined tee joint respectively consist of a straight pipe section and an inclined branch pipe, the top of the straight pipe section of the feeding inclined tee joint is connected with the discharging end of a lifting machine, the bottom of the straight pipe section of the feeding inclined tee joint is communicated with a discharging hopper, and the movable turning plate is arranged at the bottom of the straight pipe section of the feeding inclined tee joint;

the bottom of the straight pipe section of the discharging inclined tee joint extends into the storage part through a material guide hopper, and the material guide hopper is positioned above the distributing device.

Furthermore, a dust removal fan is arranged at the top of the straight pipe section of the discharging inclined tee joint, a plurality of baffle plates are arranged in the straight pipe section of the discharging inclined tee joint in a crossed and opposite mode, and a plurality of air inlet holes corresponding to the baffle plates are formed in the straight pipe section of the discharging inclined tee joint.

Further, the distributing device comprises inverter motor, bulk cargo dish and PLC controller, inverter motor is fixed in through the bedplate and reserves the portion roof center, the bulk cargo dish is connected and the bulk cargo dish is located the feeding elephant trunk discharge end under through pivot and inverter motor's output, the PLC controller is connected with inverter motor electricity for control inverter motor's rotational speed changes.

Furthermore, the bulk cargo dish is the disc structure, and its center is inside sunken, is equipped with a plurality of grain claws of dialling along the marginal a week of bulk cargo dish evenly.

Compared with the prior art, the utility model has the advantages of:

1. the double-channel drying part adopts a mixed flow type structure, air enters the middle of the double-channel drying part and exits from two sides of the double-channel drying part, heat loss can be reduced to the maximum extent, the drying energy-saving effect is obvious, and the air inlet horn-shaped boxes and the air outlet horn-shaped boxes with variable cross sections are arranged in a staggered mode, so that grains flow downwards in an S shape in the drying box, the grains are fully contacted with drying hot air, the heating is more uniform, and the drying efficiency and the quality after drying are obviously improved compared with the existing drying machine;

2. through the arrangement of the dust removal fan and the structural design of the plurality of inclined baffle plates and the plurality of air inlet holes on the discharging inclined tee joint, the plurality of baffle plates enable grains to flow in a direction-changing manner for multiple times in the grain feeding process, the dust removal fan performs air draft, the plurality of air inlet holes supply air to form an upward air channel, most light impurities in the fed grains can be taken away, a good impurity removal effect is achieved, the environment is protected, and the safety performance of equipment is obviously improved;

3. compared with the prior art, the grain drying machine has the advantages that the grain drying machine is large in operation elasticity and wide in application range, quality guarantee drying can be performed on rice, efficient precipitation requirements of different materials such as high-moisture corn, wheat and rapeseed can be met, and diversified drying requirements of different regions, different users and different grain varieties are met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front perspective view of the grain dryer of the present invention,

FIG. 2 is a back structure perspective view of the grain dryer of the present invention,

figure 3 is a schematic diagram of the discharge section 4 and the feed and discharge system 6,

figure 4 is a schematic view of the discharge section 4 with the discharge hopper 43 removed,

figure 5 is an enlarged view of a portion of I of figure 4,

fig. 6 is a schematic view of the structure of the discharging part 4 after removing the front side plate of the discharging part 4 on the basis of fig. 4,

figure 7 is an enlarged view of a portion II of figure 6,

figure 8 is a schematic view of the structure of the two-pass dryer section 1,

fig. 9 is a schematic view of the structure of fig. 8, with the 1/4 cabinet of the drying box 11 on one side removed,

figure 10 is a schematic view of the structure of the angular inlet box 112,

figure 11 is a schematic view of the structure of the feed chute 62,

FIG. 12 is a schematic structural view of the discharge tee 622 with a portion of the side plate removed;

figure 13 is a schematic view of the structure of the distributor 63,

the reference numbers are as follows:

a double-channel drying part 1, a drying box 11, a drying layer 111, an air inlet horn-shaped box 112, an air outlet horn-shaped box 113, a hot air chamber 12, an air inlet box 121, a waste air chamber 13, an air outlet box 131, an exhaust fan 2, a storage part 3, a discharge part 4, a discharge guide assembly 41, a collection plate 411, a collection trough 412, an inverted V-shaped guide plate 413, a V-shaped groove 414, a discharge assembly 42, a discharge motor 421, a discharge wheel 422, a tension wheel 423, a chain 424, a driving wheel 425, a chain wheel 426, a discharge hopper 43, a discharge auger 44, an auger motor 45, a cavity 46, a base 5, a feeding and discharging system 6, a lifter 61, a feeding chute 62, a feeding inclined tee 621, a discharge inclined tee 622, a chute 623, a guide hopper 624, a baffle plate 625, an air inlet hole 626, a distributor 63, a variable frequency motor 631, a bulk material tray 632, a seat plate 633, a rotating shaft 634, grain poking claws 635, a dust removal fan 67.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 13, the utility model provides a high-efficiency environment-friendly grain dryer, which comprises a double-channel drying part 1, a storage part 3, a discharge part 4 and a feeding and discharging system 6;

as shown in fig. 8 and 9, the dual-channel drying part 1 is used for drying grains, and includes two drying boxes 11 arranged in bilateral symmetry, a hot air chamber 12 communicated with the two drying boxes 11 is arranged between the two drying boxes 11, the hot air chamber 12 is externally connected with a drying medium through an air inlet box 121, one side of each drying box 11 far away from the hot air chamber 12 is provided with an exhaust air chamber 13 communicated with the drying box 11, and each exhaust air chamber 13 is connected with an exhaust fan 2 through an air outlet box 131, it should be noted that the drying medium is hot air when entering the drying boxes 11 from the hot air chamber 12, and is changed into cold air after drying grains in the drying boxes 11, and the cold air is collected with the exhaust air chamber 13 and is exhausted through the exhaust fan 2;

the top and the bottom of a single drying box 11 are both of an open structure, and the drying box is composed of a plurality of drying layers 111 with upper and lower openings, the drying layers 111 are assembled from top to bottom to form a complete drying box 11, an air inlet angle-shaped layer and an air outlet angle-shaped layer which are arranged up and down are arranged in the single drying layer 111, the gap between the air inlet angle-shaped layer and the air outlet angle-shaped layer is not less than 30mm, the air inlet angle-shaped layer comprises a plurality of air inlet angle-shaped boxes 112 which are uniformly arranged, the air outlet angle-shaped layer comprises a plurality of air outlet angle-shaped boxes 113, the gap between the air inlet angle-shaped boxes 112 of each air inlet angle-shaped layer and the gap between the air outlet angle-shaped boxes 113 of each air outlet angle-shaped layer are not less than 150mm, and the air inlet angle-shaped boxes 112 and the air outlet angle;

as shown in fig. 10, the single air inlet angular box 112 is of a variable cross-section big-small head structure and is both closed with a big-head opening and a small-head opening, the air outlet angular box 113 has the same structure as the air inlet angular box 112, and the cross section thereof is of an inverted "V" shape with an opening at the bottom, so that a certain flow guide effect can be exerted on grains, and in consideration of the smoothness of circulation of grains after entering the drying box 11, the vertex angle of the inverted "V" shaped cross section of the air inlet angular box 112 and the air outlet angular box 113 is not too large, preferably 30 to 50 degrees, and further, in order to facilitate the angle measurement of actual manufacturing, the vertex angle is preferably 30 degrees and 45 degrees;

the big end of the air inlet angle-shaped box 112 is fixed on the side plate close to one side of the hot air chamber 12, the small end is fixed on the side plate close to one side of the waste air chamber 13, the big end of the air outlet angle-shaped box 113 is fixed on the side plate close to one side of the waste air chamber 13, openings corresponding to the big end of the air inlet angle-shaped box 112 and the big end of the air outlet angle-shaped box 113 are respectively arranged on the two side plates, each air inlet angle-shaped box 112 is respectively communicated with the hot air chamber 12 through the openings, each air outlet angle-shaped box 113 is respectively communicated with the waste air chamber 13, and the big;

based on the consideration of uniformity, the whole stroke of the drying medium (hot air) is not easy to be overlong, that is, the lengths of the air inlet angle-shaped box 112 and the air outlet angle-shaped box 113 are not too long, and in combination with the practical use condition, the lengths of the air inlet angle-shaped box 112 and the air outlet angle-shaped box 113 are designed to be not more than 2 meters, preferably 1-1.5 meters;

the storage part 3 is positioned above the double-channel drying part 1, is communicated with the top of the double-channel drying part 1 and is used for caching grains to be dried, the storage part 3 is provided with a top plate, and a plurality of reinforcing rib structures are arranged inside the storage part 3 to ensure the stability of the whole storage part 3;

the discharging part 4 is positioned below the double-channel drying part 1, communicated with the bottom of the double-channel drying part 1, supported by the base 5, and used for discharging grains dried by the double-channel drying part 1, and comprises two groups of discharging flow guide assemblies 41, a discharging assembly 42, a pair of discharging hoppers 43 and a discharging auger 44;

as shown in fig. 6, two sets of discharging and guiding assemblies 41 are respectively located at the bottom of two drying boxes 11, and include two pairs of material collecting plates 411 arranged perpendicular to the length direction of the air inlet horn-shaped box 112 and the air outlet horn-shaped box 113, each pair of material collecting plates 411 forms a material collecting groove 412 with an opening at the bottom, an inverted "V" shaped guiding plate 413 is arranged right above a single material collecting groove 412, and a plurality of "V" shaped grooves 414 with openings at the bottom are formed between the material collecting plates 411 and the inverted "V" shaped guiding plates 413;

as shown in fig. 4 to 6, the discharging assembly 42 includes a discharging motor 421, a plurality of discharging wheels 422, a plurality of tensioning wheels 423 and a chain 424, the discharging motor 421 is fixed on a side plate of the discharging portion 4, the output end of the discharging motor is provided with a driving wheel 425, the discharging wheels 422 are composed of a rotating shaft and an impeller, the discharging wheels 422 are respectively located below the "V" shaped groove 414 and just block the bottom opening of the "V" shaped groove 414, certainly, a certain gap should be respectively maintained between the discharging wheels 422 and the collecting plate 411 and the inverted "V" shaped guide plate 413 forming the "V" shaped groove 414, so as to facilitate smooth discharging of grains, one end of a single discharging wheel 422 is provided with a chain wheel 426, the driving wheel 425 is in transmission connection with the plurality of tensioning wheels 423 and the plurality of chain wheels 426 through the chain wheel 424, the positions of the plurality of tensioning wheels 423 can be respectively fixed according to actual situations, to facilitate adjustment of the tightness of the chain 424, individual tensioning pulleys 423 may also be provided that are position adjustable;

as shown in fig. 3, the discharge hoppers 43 are respectively located below the two sets of discharge guide assemblies 41 for collecting the grains discharged from the bottom opening of the collecting chute 412 through the discharge assembly 42;

the discharging auger 44 is respectively communicated with the bottoms of the two discharging hoppers 43, one end of the discharging auger is provided with an auger motor 45, and the other end of the discharging auger is communicated with the feeding and discharging system 6 and is used for conveying grains from the feeding and discharging system 6;

cavities 46 communicated with the waste gas chamber 13 are respectively arranged in the discharging part 4 and on two sides of the two groups of discharging diversion assemblies 41, a plurality of adjustable openings are respectively arranged on inner side plates of the cavities 46, the discharging part 4 is communicated with the waste gas chamber 13 through the adjustable openings and used for removing impurities from grains in the discharging part 4, the waste gas chamber 13 is drafted through the exhaust fan 2, an air channel from the discharging part 4 to the waste gas chamber 13 is formed, and part of impurities in the grains in the discharging part 4 can be taken away;

as shown in fig. 2 and 3, the feeding and discharging system 6 is communicated with the discharging part 4 and is used for feeding grains to be dried to the storage part 3, or circulating the grains from the discharging part 4 to the dryer for drying again or directly discharging, and comprises a lifter 61, a feeding chute 62 and a distributor 63;

a feed hopper 64 is arranged on one side of the bottom of the hoister 61, the feed hopper 64 is used for receiving newly added grains to be dried, the other side of the feed hopper 64 is communicated with the discharging auger 44, and the newly added grains to be dried from the discharging auger 44 and the newly added grains to be dried are conveyed to a feeding chute 62 positioned on the top of the dryer through the hoister 61;

one end of the feeding chute 62 is communicated with a discharge hole at the top of the elevator 61, the other end penetrates into the storage part 3 from the center of the top plate of the storage part 3, a discharge hopper 65 is arranged on the feeding chute 62, a discharge pipe 66 is arranged at the bottom of the discharge hopper 65, and a movable turning plate is arranged between the feeding chute 62 and the discharge hopper 65 and used for controlling grains to enter the dryer or be discharged out of the dryer;

as shown in fig. 11, the feeding chute 62 preferably comprises a feeding inclined tee 621, a discharging inclined tee 622 and a chute 623; the feeding inclined tee 621 and the discharging inclined tee 622 are connected through an elephant trunk 623, the feeding inclined tee 621 and the discharging inclined tee 622 are respectively composed of a straight pipe section and an inclined branch pipe, the angle between the straight pipe section and the inclined branch pipe is not smaller than 42 degrees, during assembly, the straight pipe sections of the feeding inclined tee 621 and the discharging inclined tee 622 are vertically assembled, the direction of the inclined branch pipe of the feeding inclined tee 621 faces downwards, the direction of the inclined branch pipe of the discharging inclined tee 622 faces upwards, and the included angle between the elephant trunk 623 and the horizontal plane is equal to the included angle between the straight pipe section and the inclined branch pipe;

the top of the straight pipe section of the feeding inclined tee 621 is connected with the discharge end of the hoister 61, the bottom of the straight pipe section is communicated with the discharge hopper 65, and a movable turning plate for controlling grains to enter the dryer or be discharged out of the dryer is arranged at the bottom of the straight pipe section of the feeding inclined tee 621;

the bottom of the straight pipe section of the discharging inclined tee 622 extends into the interior of the storage part 3 through a material guide bucket 624, the material guide bucket 624 is positioned above the distributing device 63, and the material guide bucket 624 can realize that grains stably enter the dryer in strands;

as shown in fig. 12, based on that the grain dryer has an unsatisfactory impurity removing effect when grains are fed, the dust removing fan 67 is arranged at the top of the straight pipe section of the discharging inclined tee 622, the internal part of the straight pipe section of the discharging inclined tee 622 is provided with a plurality of baffle plates 625 in a crossed and opposite manner, and the straight pipe section of the discharging inclined tee 622 is provided with a plurality of air inlet holes 626 corresponding to the baffle plates 625, so that grains can flow in a plurality of directions through the plurality of baffle plates 625 in the feeding process, and meanwhile, the dust removing fan 67 performs air extraction, and the air is fed through the plurality of air inlet holes 626 to form an upward air duct, so that most light impurities in;

the feeding inclined tee 621, the discharging inclined tee 622 and the chute 623 are all rectangular air pipe structures and are connected through flanges;

as shown in fig. 13, the material distributor 63 is located corresponding to the discharge end of the feeding chute 62, and is used for uniformly distributing the grains from the feeding chute 62 into the dryer, and is composed of a variable frequency motor 631, a material distribution disc 632 and a PLC controller, the variable frequency motor 631 is fixed in the center of the top plate of the storage part 3 through a seat plate 633, the middle part of the seat plate 633 is bent inwards to form an upward convex platform, and the variable frequency motor 631 is assembled on the convex platform;

the bulk material tray 632 is connected with the output end of the variable frequency motor 631 through the rotating shaft 634 and is positioned right below the discharge end of the feeding chute 62, the bulk material tray 632 is of a disc structure, the center of the bulk material tray is inwards sunken, a plurality of grain poking claws 635 are uniformly arranged along the edge of the bulk material tray 632 in a circle, the grain poking claws 635 are preferably of a double-bending structure, and the cross section of the grain poking claws 635 is Z-shaped;

PLC controller is connected with inverter motor 631 electricity, a rotational speed change for control inverter motor 631, it is rotatory to drive bulk cargo dish 632 through inverter motor 631's rotation, the grain that falls into in bulk cargo dish 632 will be followed bulk cargo dish 632 tangential, in adjacent two spaces scattered to the drying-machine between dialling grain claw 635, PLC controller control inverter motor 631's rotational speed change, make bulk cargo dish 632 carry out bulk cargo with the rotational speed of difference, make grain tend to a plane in the falling point of drying-machine, can effectively alleviate grain automatic grading's problem, the purpose of even cloth has been realized.

The working principle is as follows: grains to be dried enter the lifting machine 61 from the feeding hopper 64, are conveyed to the top of the feeding inclined tee 621 of the feeding chute 62 through the lifting machine 61, are discharged from the discharging inclined tee 622 to the bulk material tray 632 of the distributing device 63, the bulk material tray 632 is driven by the variable frequency motor 631 at different rotating speeds, so that the grains uniformly enter the double-channel drying part 1, meanwhile, externally-connected drying media (hot air) enter the hot air chamber 12 from the air inlet box 121, the drying media (hot air) transversely enter the drying boxes 11 on two sides respectively, are heated and take away moisture after contacting with the grains, the dried grains are discharged to the discharging part 4 from the bottom of the drying boxes 11, and the dried drying media (air) are collected in the waste air chamber 13 and are discharged by the exhaust fan 2;

discharging the dried grains from the bottom opening of the material collecting groove 412 to the corresponding material discharging hopper 43 through a plurality of material discharging wheels 422, conveying the dried grains to the bottom of the elevator 61 through the material discharging auger 44 connected with the material discharging hopper 43, lifting the dried grains to the top of the feeding inclined tee 621 of the feeding chute 62 through the elevator 61, and if the grains are dried to be qualified, controlling a movable turning plate between the feeding chute 62 and the material discharging hopper 65 to discharge the dried grains from the material discharging hopper 65 and collecting the grains; if the drying is unqualified, the grains are dried again according to the flow, and the aim of drying the grains can be fulfilled by circulating the steps.

The utility model discloses a on the basis of deep research cereal drying characteristic and precipitation law, combine the actual production needs, optimize the combination to main technological parameters such as stoving time, slow soviet time, stoving medium temperature, changed the drawback of current model "the energy consumption is higher, efficiency is lower, use single", have the advantage of "high-efficient quality assurance, energy-conservation low consumption, a tractor serves several purposes". Compared with the main machine type in the existing market, the energy conservation is realized by more than 20%, the drying efficiency is improved by more than 35%, the pollutant emission is reduced by more than 25%, and meanwhile, the quality of the dried grains can be effectively improved.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. An efficient environment-friendly grain dryer is characterized by comprising:

the double-channel drying part (1) is used for drying grains and comprises two drying boxes (11) which are arranged in a bilateral symmetry mode, a hot air chamber (12) which is communicated with the two drying boxes (11) is arranged between the two drying boxes (11), the hot air chamber (12) is externally connected with a drying medium through an air inlet box (121), an exhaust gas chamber (13) communicated with the drying boxes (11) is arranged on one side, far away from the hot air chamber (12), of each drying box (11), and the exhaust gas chamber (13) is connected with an exhaust fan (2) through an air outlet box (131);

the storage part (3) is positioned above the double-channel drying part (1), is communicated with the top of the double-channel drying part (1), and is used for caching grains to be dried;

the discharging part (4) is positioned below the double-channel drying part (1), is communicated with the bottom of the double-channel drying part (1), is supported by the base (5), and is used for discharging grains dried by the double-channel drying part (1);

and the feeding and discharging system (6) is communicated with the discharging part (4) and is used for feeding the grains to be dried to the storage part (3) or circulating the grains from the discharging part (4) to the dryer for drying again or directly discharging.

2. The efficient and environment-friendly grain dryer as claimed in claim 1, wherein: singly the top and the bottom of drying cabinet (11) are open structure, constitute by a plurality of upper and lower open-ended drying layer (111), singly be equipped with air inlet horn shape layer and the air outlet horn shape layer of arranging from top to bottom in drying layer (111), air inlet horn shape layer includes a plurality of air inlet horn shape boxes (112) of evenly arranging, air outlet horn shape layer includes a plurality of air outlet horn shape boxes (113) of evenly arranging, be staggered arrangement between air inlet horn shape box (112) and air outlet horn shape box (113).

3. The efficient and environment-friendly grain dryer as claimed in claim 2, wherein: the single air inlet horn-shaped box (112) and the air outlet horn-shaped box (113) are both of a large-small head structure with variable cross sections, both are large-head open and small-head closed, and the cross sections are both inverted V-shaped with an open bottom;

the big end of the air inlet angle-shaped box (112) is fixed on the side plate close to one side of the hot air chamber (12), the small end of the air outlet angle-shaped box (113) is fixed on the side plate close to one side of the waste air chamber (13), the big end of the air outlet angle-shaped box is fixed on the side plate close to one side of the hot air chamber (12), and openings corresponding to the big end of the air inlet angle-shaped box (112) and the big end of the air outlet angle-shaped box (113) are respectively arranged on the two side plates.

4. The grain drier of claim 1, wherein the discharge part (4) comprises:

the two groups of discharging and flow guiding assemblies (41) are respectively positioned at the bottoms of the two drying boxes (11) and comprise two pairs of material collecting plates (411) which are arranged in the length direction of the air inlet horn-shaped box (112) and the air outlet horn-shaped box (113), each pair of material collecting plates (411) form a material collecting groove (412) with an opening at the bottom, an inverted V-shaped guide plate (413) is arranged right above a single material collecting groove (412), and a plurality of V-shaped grooves (414) with openings at the bottoms are formed between the material collecting plates (411) and the inverted V-shaped guide plates (413);

the discharging assembly (42) comprises a discharging motor (421), a plurality of discharging wheels (422), a plurality of tensioning wheels (423) and a chain (424), wherein the discharging wheels (422), the tensioning wheels (423) and the chain (424) are respectively arranged on two sides of a bottom opening of the collecting groove (412), the discharging motor (421) is fixed on a side plate of the discharging part (4), a driving wheel (425) is arranged at the output end of the discharging motor, the discharging wheels (422) are composed of rotating shafts and impellers, the discharging wheels (422) are respectively positioned below the V-shaped groove (414) and just block the bottom opening of the V-shaped groove (414), a chain wheel (426) is arranged at one end of each discharging wheel (422), and the driving wheel (425) is in transmission connection with the tensioning wheels (423) and the chain wheels (426);

a pair of discharge hoppers (43) which are respectively positioned below the two groups of discharge guide assemblies (41) and are used for collecting grains discharged from the bottom opening of the material collecting groove (412) through the discharge assemblies (42);

and the discharging auger (44) is respectively communicated with the bottoms of the two discharging hoppers (43), one end of the discharging auger is provided with an auger motor (45), and the other end of the discharging auger is communicated with the feeding and discharging system (6) and is used for conveying grains from the feeding and discharging system (6).

5. The efficient and environment-friendly grain dryer as claimed in claim 4, wherein: arrange material portion (4) in, be located two sets of row material water conservancy diversion subassembly (41) both sides and be equipped with cavity (46) by communicating with exhaust gas chamber (13) respectively, be equipped with a plurality of adjustable trompils on the interior curb plate of cavity (46) respectively, will arrange material portion (4) and exhaust gas chamber (13) intercommunication through a plurality of adjustable trompils for carry out the edulcoration to the cereal of arranging material portion (4).

6. An efficient and environment-friendly grain dryer as claimed in claim 1, wherein said feeding and discharging system (6) comprises a lifter (61), a feeding chute (62) and a distributor (63);

a feed hopper (64) is arranged on one side of the bottom of the hoister (61), and the other side of the bottom of the hoister is communicated with a discharge hole of the discharge part (4);

one end of the feeding chute (62) is communicated with a discharge hole in the top of the elevator (61), the other end of the feeding chute penetrates into the storage part (3) from the center of a top plate of the storage part (3), a discharge hopper (65) is arranged on the feeding chute (62), a discharge pipe (66) is arranged at the bottom of the discharge hopper (65), and a movable turning plate is arranged between the feeding chute (62) and the discharge hopper (65) and used for controlling grains to enter the dryer or be discharged out of the dryer;

the position of the distributing device (63) corresponds to the discharge end of the feeding chute (62) and is used for uniformly distributing the grains from the feeding chute (62) in the dryer.

7. The efficient and environment-friendly grain dryer as claimed in claim 6, wherein: the feeding chute (62) comprises a feeding inclined tee joint (621), a discharging inclined tee joint (622) and a chute (623);

the feeding inclined tee joint (621) and the discharging inclined tee joint (622) are connected through an elephant trunk (623), the feeding inclined tee joint (621) and the discharging inclined tee joint (622) respectively consist of a straight pipe section and an inclined branch pipe, the top of the straight pipe section of the feeding inclined tee joint (621) is connected with the discharging end of a lifting machine (61), the bottom of the straight pipe section of the feeding inclined tee joint (621) is communicated with a discharging hopper (65), and the movable turning plate is arranged at the bottom of the straight pipe section of the feeding inclined tee joint (621);

the bottom of the straight pipe section of the discharging inclined tee joint (622) extends into the interior of the storage part (3) through a material guide hopper (624), and the material guide hopper (624) is positioned above the distributing device (63).

8. The efficient and environment-friendly grain dryer as claimed in claim 7, wherein: the top of the straight pipe section of the oblique discharging tee joint (622) is provided with a dust removal fan (67), the interior of the straight pipe section of the oblique discharging tee joint (622) is provided with a plurality of baffle plates (625) in a crossed and opposite mode, and the straight pipe section of the oblique discharging tee joint (622) is provided with a plurality of air inlet holes (626) corresponding to the baffle plates (625).

9. The efficient and environment-friendly grain dryer as claimed in claim 6, wherein: distributing device (63) comprises inverter motor (631), bulk cargo dish (632) and PLC controller, inverter motor (631) are fixed in through bedplate (633) and reserve portion (3) roof center, bulk cargo dish (632) are connected and bulk cargo dish (632) are located feeding elephant trunk (62) discharge end under through pivot (634) and inverter motor (631)'s output, the PLC controller is connected with inverter motor (631) electricity for the rotational speed of control inverter motor (631) changes.

10. The efficient and environment-friendly grain dryer as claimed in claim 9, wherein: the bulk material dish (632) is the disc structure, and its center is inside sunken, is followed the edge a week of bulk material dish (632) is equipped with a plurality of grain claws (635) of dialling uniformly.

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