CN217383699U

CN217383699U - Air supply arrangement for grain drying-machine

Info

Publication number: CN217383699U
Application number: CN202221233542.XU
Authority: CN
Inventors: 张家驹
Original assignee: Anhui Jiuyang Agricultural Machinery Co ltd
Current assignee: Anhui Jiuyang Agricultural Machinery Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-06
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the technical field of grain drying machines, in particular to an air supply device for a grain drying machine; the horn-shaped box is fixed in an inner cavity of the drying bin through mounting ports formed in two side faces of the drying bin, an air inlet box and an air outlet box which cover the mounting ports are respectively arranged on the two side faces of the drying bin, the fan is communicated with the lower end of the air inlet box, the lower end of the air outlet box is connected with an air exhaust channel, a guide cover which moves up and down is arranged in the air inlet box, the lower end of the guide cover is attached to the outer side wall of the air inlet box, and the upper end of the guide cover is attached to the side face of the drying bin covered in the air inlet box; this air supply arrangement can adjust the height of kuppe in the air-inlet box according to the volume of waiting to dry grain in the stoving storehouse, can seal the horn shape box of grain top when the non-full storehouse state in stoving storehouse, prevents that the hot-blast flow that sends into in the stoving process from not having the horn shape box of grain in the top, can effectively reduce the heat energy loss to the grain stoving in-process.

Description

Air supply arrangement for grain drying-machine

Technical Field

The utility model relates to a grain drying-machine technical field specifically discloses an air supply arrangement for grain drying-machine.

Background

The grain dryer is a device for drying harvested grains, and mainly comprises a drying tower, a lifter and an air supply device, wherein the grains are conveyed to the upper end of the drying tower by the lifter, then are discharged from the top end of the drying tower and placed in a drying section, and are continuously fed into a drying channel through the air supply device to be dried.

For example, the invention patent with the application number of 2018106210957 discloses a circulating grain drying machine, which comprises a machine body, wherein a lifting machine is fixedly installed on the side wall of the machine body, two groups of drying bins are arranged in the inner cavity of the machine body, an angle-shaped box is fixedly connected inside each drying bin, a blanking hopper is fixedly connected to the bottom of each drying bin, a flow distribution plate is installed on the upper portion of each blanking hopper, a blanking groove is formed between the separation plates, a grain stirring roller is fixedly installed at the bottom of each flow distribution plate, a blanking pipe is fixedly connected to the bottom of each blanking hopper, a branch pipe is fixedly connected to the right side of each blanking pipe, a turning plate is arranged between each branch pipe and each blanking pipe, a circulating pipe is fixedly connected between the bottom end of each branch pipe and the bottom end of the lifting machine, and a dust removal mechanism is installed at the top grain sliding pipe of the machine body. When the circulating grain dryer disclosed by the invention dries grains in the drying bin, hot air fed into the circulating grain dryer enters the corner-shaped box through the hot air cavity, and the grains in the drying bin are dried by the hot air fed from the corner-shaped box. However, the circulating grain dryer of this type has some design defects, mainly because the hot air chamber on the side of the drying bin of the circulating grain dryer is communicated with all the angular boxes, although all the angular boxes can dry grains in the full bin state, when less grains are dried (namely, the drying bin is in a non-full bin state), hot air is delivered to the angular box above, but the angular box is not in contact with the grains, and the hot air in the angular box above is directly discharged after not exchanging heat with the grains, thereby causing heat energy loss. Consequently, the aforesaid to current circulation grain drier is not enough, and this application has provided one kind can be according to the air supply arrangement who adjusts horn shape box ventilation state in the stoving storehouse to solve the problem that current grain drier exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an air supply arrangement for grain drying-machine that can effectively solve above-mentioned technical problem has been designed to the above-mentioned not enough of air supply arrangement and stoving storehouse among the current circulation grain drying-machine.

The utility model discloses a realize through following technical scheme:

the utility model provides an air supply arrangement for grain drying-machine, includes stoving storehouse, fan and horn shape box, the horn shape box is fixed in stoving storehouse inner chamber through seting up the installing port on stoving storehouse both sides face, the both sides face in stoving storehouse is provided with air inlet box and the air-out case that covers the installing port respectively, the fan is linked together with the lower extreme of air inlet box, the lower extreme that goes out the case is connected with the passageway of airing exhaust, be provided with the kuppe that reciprocates in the air inlet box, the lower extreme of kuppe is laminated mutually with the outside wall of air inlet box, and the upper end of kuppe is laminated mutually with the stoving storehouse side that covers in the air inlet box.

As a specific arrangement of the above scheme, the two ends of the air guide sleeve are respectively provided with a sliding block and a screw nut, and the two ends of the air outlet box are respectively provided with a sliding rail matched with the sliding block and a transmission screw rod matched with the screw nut.

According to the specific arrangement of the scheme, the transmission box is arranged on the front side face of the air inlet box, the transmission screw rod is arranged in the transmission box, the screw rod motor connected with the transmission screw rod is further arranged at the upper end of the transmission box, the air inlet box is further provided with a strip-shaped opening communicated with the transmission box, and the screw rod nut penetrates through the strip-shaped opening and extends into the transmission box to be matched with the transmission screw rod.

As a specific arrangement of the above scheme, the shape of the air guide sleeve is arc.

As the specific arrangement of the scheme, the number of the fans is two, and the two fans are arranged under the air inlet box.

As a further arrangement of the scheme, the tail end of the exhaust channel is connected with a dust remover.

Has the advantages that:

the utility model discloses an air supply arrangement when being arranged in the grain drying-machine, can adjust the height of kuppe in the air inlet box according to the volume of waiting to dry grain in the stoving storehouse, can seal the horn-shaped box of grain top when the non-full storehouse state in stoving storehouse, prevent that the hot-blast flow that sends into in the stoving process does not have the horn-shaped box of grain in the top, can effectively reduce the heat energy loss to the grain stoving in-process, whole air supply arrangement's structural design is simple, but make whole grain drying-machine have energy-concerving and environment-protective excellent effect.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the corner-shaped box and the drying chamber of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the air inlet box, the fan, the air guide sleeve and the like;

fig. 4 is a schematic view of the internal plane structure of the middle air inlet box and the transmission box of the present invention;

fig. 5 is a schematic perspective view of the middle dome of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 5, in conjunction with the embodiments.

Example 1

In this embodiment 1, which discloses an air supply device used in a grain dryer, referring to fig. 1 and 2, a main body of the air supply device includes a drying bin 100, a fan 200, and a horn-shaped box 500. A large number of horn-shaped box installing openings 101 are formed in the left side surface and the right side surface of the drying bin 100, and then the two ends of the horn-shaped box 500 are communicated with the corresponding horn-shaped box installing openings 101 respectively. An air inlet box 300 and an air outlet box 400 are arranged on two side surfaces of the drying bin 100 which is provided with the horn-shaped box mounting opening 101. The air inlet box 300 in the figure is arranged on the left side surface of the drying bin 100, the air outlet box 400 is arranged on the right side surface of the drying bin 100, and the air inlet box 300 and the air outlet box 400 are arranged to cover all horn-shaped box mounting openings 101.

The fans 200 are arranged right below the air inlet box 300, and the two fans 200 in the figure are arranged, the air inlet end of each fan 200 is connected with a heat source (such as a hot blast stove and a biomass combustion furnace) and the like, and the air outlet of each fan 200 is connected with the lower surface of the air inlet box 300, so that hot air pumped by the fans 200 can flow upwards from the bottom of the air inlet box 300 and then enters the horn-shaped box 500 through the horn-shaped box mounting port 101 to dry grains.

With reference to fig. 3, 4 and 5, the embodiment 1 is mainly designed in that: a vertical slide rail 301 is further arranged on the inner wall of the rear side of the air inlet box 300, a vertical transmission box 302 is arranged on the front side face of the air inlet box 300, a screw rod motor 303 is arranged at the upper end of the transmission box 302, a vertical transmission screw rod 304 is connected to the end portion, extending into the transmission box 302, of the output shaft of the screw rod motor 303, and a vertical strip-shaped opening 305 is formed between the transmission box 302 and the front side face of the air inlet box 300. An arc-shaped air guide sleeve 306 is arranged in the air inlet box 300, the lower end of the air guide sleeve 306 is attached to the outer side wall of the air inlet box 300, and the upper end of the air guide sleeve 306 is attached to the left side surface of the drying bin 100 provided with the horn-shaped box mounting opening 101. The rear end of the air guide sleeve 306 is connected with a sliding block 307, and the sliding block 307 is provided with a sliding groove matched with the sliding rail 301. A screw nut 308 extending into the transmission case 302 through a vertical strip-shaped opening 305 is connected to the front end of the air guide sleeve 306, and the screw nut 308 is arranged in a matching manner with the transmission screw 304. In addition, the up-and-down adjustment of the pod 306 in this embodiment 1 is not limited to the above-mentioned one, and the pod can be lifted and lowered by means of a transmission chain, an electric telescopic rod, or the like.

Finally, the lower surface of the air outlet box 400 is connected with an air outlet channel 401, and in order to prevent dust from being mixed with the exhausted hot air, a cyclone dust collector or a bag-type dust collector can be connected to the tail end of the air outlet channel 401.

The air supply arrangement for grain drying-machine that this embodiment 1 discloses sends into air inlet box 300 through fan 200 the hot-blast in with hot-blast furnace or the biomass combustion stove, then from the bottom upflow of air inlet box 300, can't continue the upflow after hot-blast meetting kuppe 306, hot-blast direct entering horn box 500 through horn shape box installing port 101 of this moment is dried grain, hot-blast air reentrant air outlet box 400 after the stoving and from exhausting in the passageway 401 can.

When the grain in the drying bin 100 is not in a full-bin state, the screw rod motor 303 can be controlled by an operator to rotate, then the guide hood 306 moves from top to bottom under the transmission of the transmission screw rod 304 and the screw rod nut 308 and under the guiding action of the sliding block 307 and the sliding rail 301, and the upper end of the guide hood 306 is flush with the upper end of the grain in the drying bin, at the moment, due to the existence of the guide hood 306, the horn-shaped box above the drying bin 100 cannot be fed with hot air, and the waste of hot air heat energy can be effectively avoided.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an air supply arrangement for grain drying-machine, includes stoving storehouse, fan and horn shape box, the horn shape box is fixed in the storehouse inner chamber of drying through seting up the installing port on the storehouse both sides face of drying, its characterized in that, the both sides face in stoving storehouse is provided with air inlet box and the air-out case that covers the installing port respectively, the fan is linked together with the lower extreme of air inlet box, the lower extreme that goes out the bellows is connected with the passageway of airing exhaust, be provided with the kuppe that reciprocates in the air inlet box, the lower extreme of kuppe is laminated mutually with the outside wall of air inlet box, and the upper end of kuppe is laminated mutually with the storehouse side of drying that covers in the air inlet box.

2. The air supply device for the grain dryer according to claim 1, wherein the two ends of the air guide sleeve are respectively provided with a slide block and a screw nut, and the two ends of the air outlet box are respectively provided with a slide rail matched with the slide block and a transmission screw matched with the screw nut.

3. The air supply device for the grain dryer according to claim 2, wherein a transmission box is arranged on the front side surface of the air inlet box, the transmission screw rod is arranged in the transmission box, a screw rod motor connected with the transmission screw rod is further arranged at the upper end of the transmission box, a bar-shaped opening communicated with the transmission box is further formed in the air inlet box, and the screw rod nut penetrates through the bar-shaped opening and extends into the transmission box to be matched with the transmission screw rod.

4. The air supply device for the grain dryer according to any one of claims 1 to 3, wherein the shape of the air guide sleeve is an arc.

5. The air supply device for the grain dryer according to claim 1, wherein two fans are provided, and the two fans are provided right below the air inlet box.

6. The air supply device for the grain dryer according to claim 1, wherein a dust collector is connected to a tail end of the air exhaust channel.