CN209744901U

CN209744901U - Grain drying machine with waste heat recovery device

Info

Publication number: CN209744901U
Application number: CN201920498647.XU
Authority: CN
Inventors: 殷孝雎; 关新; 金月新; 王育欣; 李丰鹏
Original assignee: Shenyang Institute of Engineering
Current assignee: Shenyang Institute of Engineering
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2019-12-06
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a grain drier with waste heat recovery device, which comprises a housin, the bottom fixedly connected with a plurality of base of casing, just the inlet pipe has been seted up at the top of casing, the dry storehouse of inner chamber top fixedly connected with of casing, the end of inlet pipe runs through the top of casing and extends to in the dry storehouse, be formed with the gas storage chamber in the inner wall intermediate layer of dry storehouse, a plurality of venthole has been seted up to the lateral wall in gas storage chamber, the discharging pipe has been seted up to the bottom in dry storehouse, the end of discharging pipe runs through the bottom of casing and extends to the below of casing, just the valve is installed to the mouth of pipe of discharging pipe, the both sides in dry storehouse are provided with dry mechanism and waste heat recovery mechanism respectively.

Description

Grain drying machine with waste heat recovery device

Technical Field

The utility model relates to an agricultural equipment technical field specifically is a grain drier with waste heat recovery device.

Background

Cereal grains, i.e., minor cereal grains, are traditional staple foods for many asian people, and mainly comprise products of crops such as rice, wheat, corn and the like. The food material for human consumption can be obtained after the cereal grains are processed, but before the cereal grains are processed, the cereal grains often contain moisture, so that the cereal grains need to be dried to remove the moisture. At present, a plurality of grain drying methods are adopted, and a common drying method is easy to cause heat escape and cannot fully utilize heat energy, so that the drying efficiency and effect are reduced, and energy waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's steam escape, drying efficiency is low, and the effect is poor to lead to the extravagant defect of energy, provide a grain desiccator with waste heat recovery device. The grain drying machine with the waste heat recovery device has the characteristics of simple structure, reasonable design, high drying efficiency, good effect, full recovery of heat energy, cyclic utilization, waste avoidance and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cereal grain dryer with waste heat recovery device, includes the casing, the bottom fixedly connected with a plurality of base of casing, just the inlet pipe has been seted up at the top of casing, the dry storehouse of inner chamber top fixedly connected with of casing, the end of inlet pipe runs through the top of casing and extends to in the dry storehouse, be formed with the gas storage chamber in the inner wall intermediate layer of dry storehouse, a plurality of venthole has been seted up to the lateral wall in gas storage chamber, the discharging pipe has been seted up to the bottom in dry storehouse, the end of discharging pipe runs through the bottom of casing and extends to the below of casing, just the valve is installed to the mouth of pipe of discharging pipe, the both sides in dry storehouse are provided with dry mechanism and waste heat recovery mechanism respectively.

Preferably, dry mechanism includes the heat source generator, the heat source generator is installed at one side inner wall of casing, and its top fixedly connected with inlet tube, the inlet tube runs through the lateral wall of casing and extends to outside the casing, the bottom fixedly connected with steam guide pipe of heat source generator, the end of steam guide pipe runs through the lateral wall in dry storehouse and extends to in the gas storage chamber.

preferably, the waste heat recovery mechanism comprises an air pump, a return pipe is fixedly connected to the bottom of the air pump, the tail end of the return pipe penetrates through the side wall of the drying bin and extends into the air storage cavity, an air path one-way valve is installed in the return pipe, a heat absorption pipe is fixedly connected to the top of the air pump, the heat absorption pipe penetrates through the side wall of the top end of the drying bin and extends into the drying bin, and a heat absorption plate is fixedly connected to the tail end of the heat absorption pipe.

preferably, a heat absorption cavity is formed in the heat absorption plate, and the bottom of the heat absorption plate is fixedly connected with a plurality of heat absorption heads.

Preferably, the heat absorption head and the heat absorption cavity are mutually connected, the bottom end of the heat absorption head is arc-shaped, and a plurality of heat absorption holes are uniformly formed in the arc-shaped end face of the heat absorption head.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The drying device has the advantages of simple structure, reasonable design, high drying efficiency and good effect, and can be used for drying grains by the drying mechanism to remove residual moisture;

2. Can make steam circulation flow in dry storehouse through waste heat recovery mechanism to effectively avoid the heat to run off, realize the waste heat recovery of steam, improve the drying efficiency and the effect of this equipment, also avoided the waste of the energy simultaneously, practiced thrift the electric energy.

Drawings

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

Fig. 2 is a schematic structural diagram of the heat absorbing plate.

Reference numbers in the figures: the device comprises a shell 1, a base 2, a feeding pipe 3, a drying bin 4, a gas storage cavity 5, an air outlet hole 6, a discharging pipe 7, a valve 8, a heat source generator 9, an air inlet pipe 10, an air guide pipe 11, an air pump 12, a return pipe 13, a gas path one-way valve 14, a heat absorption pipe 15, a heat absorption plate 16, a heat absorption cavity 17, a heat absorption head 18 and a heat absorption hole 19.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a grain dryer with a waste heat recovery device comprises a shell 1, the bottom of the shell 1 is fixedly connected with a plurality of bases 2, the top of the shell 1 is provided with a feeding pipe 3, the top of an inner cavity of the shell 1 is fixedly connected with a drying bin 4, the tail end of the feeding pipe 3 penetrates through the top of the shell 1 and extends into the drying bin 4, a gas storage cavity 5 is formed in an inner wall interlayer of the drying bin 4, the gas storage cavity 5 can be used for storing hot water vapor, the side wall of the gas storage cavity 5 is provided with a plurality of gas outlet holes 6, the hot vapor can be sprayed out through the gas outlet holes 6 and spread into the drying bin 4, so as to dry grains, the bottom of the drying bin 4 is provided with a discharging pipe 7, the tail end of the discharging pipe 7 penetrates through the bottom of the shell 1 and extends to the lower part of the shell 1, a valve 8 is installed at the pipe orifice of the discharging pipe 7, the drying mechanism comprises a heat source generator 9, the heat source generator 9 is arranged on the inner wall of one side of the shell 1, the top of the heat source generator 9 is fixedly connected with a water inlet pipe 10, an air inlet pipe 10 penetrates through the side wall of the shell 1 and extends out of the shell 1, the bottom of the heat source generator 9 is fixedly connected with an air guide pipe 11, the tail end of the air guide pipe 11 penetrates through the side wall of the drying chamber 4 and extends into the air storage chamber 5, the waste heat recovery mechanism comprises an air pump 12, the bottom of the air pump 12 is fixedly connected with a return pipe 13, the tail end of the return pipe 13 is arranged in the air inlet pipe 10 and is provided with an air path one-way valve 14, the air path one-way valve 14 has one-way conduction performance, hot air can be prevented from flowing back into the return pipe 13 from the air storage chamber 5, the top of the air pump 12 is fixedly connected with a heat absorption, the inside of absorber plate 16 has been seted up heat absorption chamber 17, and the bottom fixedly connected with a plurality of heat absorption head 18 of absorber plate 16, and heat absorption head 18 and heat absorption chamber 17 each other are for being in conjunction with, and its bottom is the arc, and evenly seted up a plurality of heat absorption hole 19 on the arc terminal surface of heat absorption head 18, can enlarge the heat absorption scope of heat absorption head 18 to the at utmost inhales the heat absorption chamber with the waste heat of steam, avoids thermal waste then.

The working principle is as follows: the utility model discloses when using, at first with all external control switch and the power of electrical components in this equipment, then through inlet pipe 3 with treat dry cereal and valley leading-in to dry storehouse 4 in, then lead-in wind to heat source generator 9 through intake pipe 10, and through control switch and power drive heat source generator 9, heat gas through heat source generator 9, can lead-in these heat to gas storage cavity 5 through air duct 11, and spread to dry storehouse 4 in through venthole 6 of gas storage cavity 5 lateral wall, thereby utilize these steam can carry out drying process to cereal and valley, in order to get rid of remaining moisture; in the drying process, a part of hot air can gradually rise and escape, at the moment, the air pump 12 is driven by a control switch and a power supply, under the suction force of the air pump 12, the hot air which gradually rises and escapes can be sucked into the heat absorption cavity 17 through the heat absorption head 18 and enters the return pipe 13 through the heat absorption pipe 15, and finally enters the circulation after being heated again through the return pipe 13, so that the power of the heat source generator is reduced, the hot steam can circularly flow in the drying bin 4, the heat loss is avoided, the waste heat recovery of the hot air is realized, the drying efficiency and the drying effect of the equipment are improved, and the waste of energy is avoided; after drying, opening the valve 8 to lead out the grains along the discharge pipe 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grain drier with waste heat recovery device, includes casing (1), its characterized in that: the bottom of the shell (1) is fixedly connected with a plurality of bases (2) for the distance between the high position and the ground, a feeding pipe (3) is arranged at the top of the shell (1), a drying bin (4) is fixedly connected with the top of the inner cavity of the shell (1), the tail end of the feeding pipe (3) penetrates through the top of the shell (1) and extends into the drying bin (4), a gas storage cavity (5) is formed in an interlayer of the inner wall of the drying bin (4), a plurality of gas outlets (6) are arranged on the side wall of the gas storage cavity (5), a discharge pipe (7) is arranged at the bottom of the drying bin (4), the tail end of the discharge pipe (7) penetrates through the bottom of the shell (1) and extends to the lower part of the shell (1), and a valve (8) is installed at the pipe orifice of the discharge pipe (7), and a drying mechanism and a waste heat recovery mechanism are respectively arranged on two sides of the drying bin (4).

2. The grain dryer with a waste heat recovery device of claim 1, wherein: drying mechanism includes heat source generator (9), heat source generator (9) include resistance and fan, install the one side inner wall at casing (1), its top fixedly connected with intake pipe (10), intake pipe (10) run through the lateral wall of casing (1) and extend to outside casing (1), the bottom fixedly connected with air duct (11) of heat source generator (9), the terminal lateral wall that runs through dry storehouse (4) of air duct (11) extends to in the gas storage chamber (5).

3. The grain dryer with a waste heat recovery device of claim 2, wherein: the waste heat recovery mechanism comprises an air pump (12), a return pipe (13) is fixedly connected to the bottom of the air pump (12), the tail end of the return pipe (13) extends into an air inlet pipe (10), an air path one-way valve (14) is installed in the return pipe (13), a heat absorption pipe (15) is fixedly connected to the top of the air pump (12), the heat absorption pipe (15) penetrates through the side wall of the top end of the drying bin (4) and extends into the drying bin (4), and a heat absorption plate (16) is fixedly connected to the tail end of the heat absorption pipe (15).

4. The grain dryer with a waste heat recovery device of claim 3, wherein: a heat absorption cavity (17) is formed in the heat absorption plate (16), and a plurality of heat absorption heads (18) are fixedly connected to the bottom of the heat absorption plate (16).

5. The grain dryer with a waste heat recovery device of claim 4, wherein: the heat absorption head (18) and the heat absorption cavity (17) are mutually connected, the bottom end of the heat absorption head is arc-shaped, and a plurality of heat absorption holes (19) are uniformly formed in the arc-shaped end face of the heat absorption head (18).