CN220229967U

CN220229967U - Heating mechanism of grain dryer

Info

Publication number: CN220229967U
Application number: CN202321527886.6U
Authority: CN
Inventors: 位旭; 位居琪
Original assignee: Lingbi County Juqi Machinery Co ltd
Current assignee: Lingbi County Juqi Machinery Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-12-22
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a heat supply mechanism of a grain dryer, which comprises a drying cylinder, wherein a feed pipe and an air outlet pipe are fixedly arranged on the upper surface of the drying cylinder, the bottom end of the drying cylinder is conical and is fixedly provided with a discharge pipe, an electric control valve is arranged in the middle of the discharge pipe, a spiral material guide plate is fixedly arranged in the drying cylinder, a plurality of air holes are formed in the surface of the material guide plate, a hot air box is fixedly arranged in the middle of the drying cylinder, the hot air box is arranged in the middle of the drying cylinder, a plurality of air outlet holes are formed in the surface of the hot air box, an air inlet pipe is fixedly arranged on the side surface of the drying cylinder and is communicated with the hot air box, a circulating feeding assembly is arranged in the middle of the drying cylinder, and the upper and lower circulation of grains is realized through the circulating feeding assembly. In the whole drying process, the grain is circularly dried, so that the condition of grain scorching caused by overlarge heat of a heat source can be avoided, the technical difficulty is low, and the grain drying machine is easier to control in use.

Description

Heating mechanism of grain dryer

Technical Field

The utility model relates to the technical field of heat supply mechanisms, in particular to a heat supply mechanism of a grain dryer.

Background

The patent with the Chinese patent publication number of CN210746990U discloses a heating device of a grain dryer, relates to the technical field of grain drying, and aims to solve the problems that the output heat can be rapidly dissipated, the energy is wasted and the drying efficiency is reduced because the heating device adopts a straight-through channel to supply heat.

When the above patent is used, the grain vertically passes through a channel, and in the process, the grain is dried by blowing hot air against the channel, and in the drying mode, when the moisture of the grain is large, the high requirement on the heat of the hot air is needed, but in this way, if the heat is too high, the grain is easy to be burnt, which definitely has high technical difficulty, and the realization is not easy.

Therefore, the utility model improves the grain dryer and provides a heating mechanism of the grain dryer.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a heat supply mechanism of a grain dryer, which aims to solve the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a heat supply mechanism of grain drying-machine, includes the stoving section of thick bamboo, the last fixed surface of stoving section of thick bamboo installs inlet pipe and outlet duct, and the bottom of stoving section of thick bamboo is the toper, and fixed mounting has the discharging pipe, the centre of discharging pipe is provided with automatically controlled valve, the inside fixed mounting of stoving section of thick bamboo has the stock guide of spiral, and a plurality of bleeder vents have been seted up on the surface of stock guide, the centre fixed mounting of stoving section of thick bamboo has hot-blast case, and the hot-blast case sets up in the centre of stoving section of thick bamboo, a plurality of ventholes have been seted up on the surface of hot-blast case, the side fixed mounting of stoving section of thick bamboo has the air-supply line, and air-supply line and hot-blast case intercommunication, the centre of stoving section of thick bamboo is provided with circulation feeding subassembly, realize the upper and lower circulation of grain through circulation feeding subassembly.

So, when using, only need pour grain into the inlet pipe, later grain can fall on the stock guide, at this moment, grain can continue under the effect of gravity, along the stock guide decline to the bottom of stoving section of thick bamboo, at the in-process, send into the air-supply line with outside hot-blast, so, hot-blast just can get into hot bellows, and flow from the venthole on hot-blast case surface, thereby dry grain, afterwards, can promote the grain of stoving section of thick bamboo bottom to the stoving section of thick bamboo bottom through circulation pay-off subassembly and fall down again, realize the upper and lower circulation of grain, carry out circulation stoving to grain.

Further, the circulating feeding assembly comprises a circulating pipe, and the circulating pipe is fixedly arranged in the middle of the hot air box.

Further, the auger is rotatably installed in the middle of the circulating pipe, the motor is fixedly installed on the upper surface of the drying cylinder, and the rotating shaft end part of the motor extends to the middle of the circulating pipe and is fixedly connected with the rotating shaft end part of the auger.

Further, the bottom end of the circulating pipe is positioned at the inner bottom of the drying cylinder, and the surface of the bottom end of the circulating pipe is provided with a plurality of feeding holes, so that grains at the bottom of the drying box can enter the inside of the circulating pipe along the inlet.

Further, top surface mounting of circulating pipe has a plurality of blowing pipes, and the blowing pipe is the slope setting, so, when the auger rotates, just can take the grain of circulating pipe bottom to the circulating pipe top to flow from the blowing pipe, consequently, only need start the motor, the motor will drive the auger and rotate, and when the auger rotated, can take the grain of stoving barrel bottom to the blowing pipe outflow from the feed inlet to realize the upper and lower circulation flow of grain, so, can realize the circulation stoving to the grain.

Further, the bottom fixed mounting of a stoving section of thick bamboo has the support frame.

The utility model has the technical effects and advantages that:

1. according to the utility model, in the whole drying process, the grains are circularly dried, so that when the moisture of the grains is large, the grains only need to be circulated in the drying cylinder for a period of time, thereby greatly reducing the heat requirement on a heat source, further avoiding the condition of grain burning caused by overlarge heat of the heat source, having lower technical difficulty, being easier to control and being more convenient to use.

2. In the use process, the grain descends along the spiral material guide plate, so that the descending time of the grain can be prolonged, the grain can stay in the drying cylinder for a longer time, the grain can be heated for a longer time, and the drying effect of the grain is effectively ensured.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the internal structure of the present utility model at a first viewing angle.

Fig. 3 is a schematic view of a second view of the internal structure of the present utility model.

The reference numerals are: 1 a drying cylinder, 2 a feeding pipe, 3 a gas outlet pipe, 4 a discharging pipe, 5 an electric control valve, 6 a material guiding plate, 7 a hot air box, 8 a gas inlet pipe, 9 a circulating pipe, 10 a packing auger, 11 a motor, 12 a feeding hole, 13 a discharging pipe and 14 a supporting frame.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the heating mechanism of a grain dryer according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without any inventive effort are within the scope of the present utility model.

Referring to fig. 1-3, the utility model provides a heating mechanism of a grain dryer, which comprises a drying cylinder 1, wherein a feeding pipe 2 and an air outlet pipe 3 are fixedly arranged on the upper surface of the drying cylinder 1, the bottom end of the drying cylinder 1 is conical, a discharging pipe 4 is fixedly arranged, an electric control valve 5 is arranged in the middle of the discharging pipe 4, a support frame 14 is fixedly arranged at the bottom end of the drying cylinder 1, a spiral material guide plate 6 is fixedly arranged in the drying cylinder 1, a plurality of air holes are formed in the surface of the material guide plate 6, a hot air box 7 is fixedly arranged in the middle of the drying cylinder 1, the hot air box 7 is arranged in the middle of the drying cylinder 1, a plurality of air outlet holes are formed in the surface of the hot air box 7, an air inlet pipe 8 is fixedly arranged on the side surface of the drying cylinder 1 and is communicated with the hot air box 7, a circulating feeding assembly is arranged in the middle of the drying cylinder 1, and the grain can be circulated up and down through the circulating feeding assembly.

When the grain drying machine is used, firstly, grains are poured into the feeding pipe 2, then the grains fall on the material guide plate 6, at the moment, the grains continue to fall to the bottom of the drying cylinder 1 along the material guide plate 6 under the action of gravity, in the process, external hot air is fed into the air inlet pipe 8, so that the hot air enters the hot air box 7 and flows out of the air outlet hole on the surface of the hot air box 7, the grains are dried, and then, the grains at the bottom of the drying cylinder 1 can be lifted to the bottom in the drying cylinder 1 through the circulating feeding assembly to fall down again, so that the up-down circulation of the grains is realized, and the grains are dried in a circulating manner.

In the whole drying process, the grain is circularly dried, so that when the moisture of the grain is large, the grain only needs to be circulated in the drying cylinder 1 for a period of time, thereby greatly reducing the heat requirement on a heat source, further avoiding the condition that the grain is burnt due to overlarge heat of the heat source, having lower technical difficulty, being easier to control in use and being more convenient in use.

Meanwhile, in the use process, the grains descend along the spiral material guide plate 6, so that the descending time of the grains can be prolonged, the grains can stay in the drying cylinder 1 for a longer time, the grains can be heated for a longer time, and the drying effect of the grains is effectively ensured.

The circulation feeding component comprises a circulation pipe 9, the circulation pipe 9 is fixedly arranged in the middle of the hot air box 7, a packing auger 10 is rotatably arranged in the middle of the circulation pipe 9, a motor 11 is fixedly arranged on the upper surface of the drying cylinder 1, the rotating shaft end of the motor 11 extends to the middle of the circulation pipe 9 and is fixedly connected with the rotating shaft end of the packing auger 10, the bottom end of the circulation pipe 9 is positioned at the inner bottom of the drying cylinder 1, a plurality of feeding ports 12 are formed in the bottom end surface of the circulation pipe 9, a plurality of discharging pipes 13 are fixedly arranged on the top end surface of the circulation pipe 9, and the discharging pipes 13 are obliquely arranged.

So, only need start motor 11, motor 11 will drive auger 10 and rotate, and when auger 10 rotated, can take the grain of stoving section of thick bamboo 1 bottom from feed inlet 12 to blowing pipe 13 outflow to realize the upper and lower circulation flow of grain, so, alright realize the circulation stoving to the grain.

Therefore, the detailed using steps are that firstly, grains are poured into the feeding pipe 2, then the grains fall on the material guide plate 6, at the moment, the grains continue to descend to the bottom of the drying cylinder 1 along the material guide plate 6 under the action of gravity, in the process, external hot air is fed into the air inlet pipe 8, so that the hot air enters the hot air box 7 and flows out of the air outlet hole on the surface of the hot air box 7, the grains are dried, then, the motor 11 can be started, the motor 11 can drive the auger 10 to rotate, and when the auger 10 rotates, the grains at the bottom of the drying cylinder 1 are brought to the discharging pipe 13 to flow out from the feeding hole 12, so that the up-down circulation flow of the grains is realized, and the circulation drying of the grains can be realized.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a heat supply mechanism of grain drying-machine, includes stoving section of thick bamboo (1), its characterized in that: the upper surface fixed mounting of stoving section of thick bamboo (1) has inlet pipe (2) and outlet duct (3), the bottom of stoving section of thick bamboo (1) is the toper, and fixed mounting has discharging pipe (4), the centre of discharging pipe (4) is provided with automatically controlled valve (5), the inside fixed mounting of stoving section of thick bamboo (1) has guide plate (6) of spiral, and a plurality of bleeder vents have been seted up on the surface of guide plate (6), the centre fixed mounting of stoving section of thick bamboo (1) has hot-blast case (7), and hot-blast case (7) set up in the centre of stoving section of thick bamboo (1), a plurality of ventholes have been seted up on the surface of hot-blast case (7), the side fixed mounting of stoving section of thick bamboo (1) has air-supply line (8), and air-supply line (8) and hot-blast case (7) intercommunication, the centre of stoving section of thick bamboo (1) is provided with circulation pay-off subassembly, circulate from top to bottom through circulation pay-off subassembly realization grain.

2. The heating mechanism of a grain dryer of claim 1, wherein: the circulating feeding assembly comprises a circulating pipe (9), and the circulating pipe (9) is fixedly arranged in the middle of the hot air box (7).

3. The heating mechanism of a grain dryer of claim 2, wherein: an auger (10) is rotatably arranged in the middle of the circulating pipe (9), a motor (11) is fixedly arranged on the upper surface of the drying cylinder (1), and the rotating shaft end part of the motor (11) extends to the middle of the circulating pipe (9) and is fixedly connected with the rotating shaft end part of the auger (10).

4. A heating mechanism of a grain dryer according to claim 3, wherein: the bottom end of the circulating pipe (9) is positioned at the inner bottom of the drying cylinder (1), and a plurality of feeding holes (12) are formed in the surface of the bottom end of the circulating pipe (9).

5. The heating mechanism of a grain dryer of claim 4, wherein: a plurality of discharging pipes (13) are fixedly arranged on the surface of the top end of the circulating pipe (9), and the discharging pipes (13) are obliquely arranged.

6. A heating mechanism of a grain dryer according to any one of claims 1 to 5, wherein: the bottom end of the drying cylinder (1) is fixedly provided with a supporting frame (14).