CN216814835U

CN216814835U - Grain drying machine

Info

Publication number: CN216814835U
Application number: CN202122570221.0U
Authority: CN
Inventors: 楚德军
Original assignee: Jiangsu Priority Grain Technology Co ltd
Current assignee: Jiangsu Priority Grain Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-06-24
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a grain dryer, which relates to the technical field of grain drying and comprises a dryer case, wherein the top of the dryer case is provided with a hot smoke outlet, the side surface of the dryer case surrounds an insulation can, and the hot smoke outlet of the dryer case is communicated with the insulation can through a smoke conveying pipeline to supply hot smoke for circulation and insulation; the insulation can comprises an input collection box, a transition box and an output collection box, wherein a smoke inlet of the input collection box is communicated with a smoke conveying pipeline, the transition box is positioned between the input collection box and the output collection box, and cavities of the input collection box, the transition box and the output collection box are communicated with a smoke flow-through heat insulation pipeline through a flow distribution pipeline. According to the utility model, the insulation box is arranged to recover hot air flow overflowing from the grain layer, and the hot air flow is divided and mixed by the hot smoke, so that the waste heat of the hot smoke is uniformly distributed around the box body of the drying machine, the recycling of the heat energy of the hot smoke is improved, and the energy consumption required by drying is reduced.

Description

Grain drying machine

Technical Field

The utility model relates to the technical field of grain drying, in particular to a grain drying machine.

Background

The grain drying machinery can effectively prevent the pollution of natural drying to the grain, prevent the grain from mildewing and rotting, reduce the occupied area of the field for drying the grain in the air, improve the utilization rate of the land, improve the quality of the grain and have better storability and processability.

The heat energy consumption of the dried grain is large, the process of the dryer is unreasonable in the actual drying process, the heat carried in the gas is also large, the heat energy taken away by the discharged smoke is exhausted without being fully utilized, the heat energy occupies a large percentage in the total heat loss of the grain drying system, the energy is wasted, and the environment is also polluted, so that the waste heat resource is fully utilized, the grain drying cost is reduced, the economic benefit of enterprises is improved, and the grain drying energy-saving emission-reducing method is also an effective way for grain drying, energy saving and emission reduction.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a grain dryer, aiming at the defects of insufficient utilization of waste heat of the dryer and waste of waste heat resources in the prior art, and solving the problems of improving the recycling of hot smoke heat energy and reducing the energy consumption required by drying.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a grain dryer comprises a dryer case, wherein the top of the dryer case is provided with a hot smoke outlet, the side surface of the dryer case surrounds an insulation can, and the hot smoke outlet of the dryer case is communicated with the insulation can through a smoke conveying pipeline to supply hot smoke for circulation and insulation;

the heat preservation box comprises an input collection box, a transition box and an output collection box, wherein a smoke inlet of the input collection box is communicated with a smoke conveying pipeline, the transition box is positioned between the input collection box and the output collection box, and cavities of the input collection box, the transition box and the output collection box are communicated with a smoke supply pipeline through a diversion pipeline to realize smoke circulation and heat preservation.

Preferably, the diversion pipelines are distributed at equal intervals from top to bottom, and the side surfaces of the input collection box, the transition box and the output collection box are sequentially provided with notches from top to bottom to be communicated with the diversion pipelines at corresponding heights;

the cavity of reposition of redundant personnel pipeline top linking input collecting box and transition case forms the independent reposition of redundant personnel passageway of hot cigarette, the cavity of transition case and output collecting box links the reposition of redundant personnel pipeline tail end and forms the mixed collection chamber of hot cigarette.

Preferably, the transition box is clamped in a notch of the drying machine box.

Preferably, the chamber of the transition box is divided left and right by a longitudinally arranged partition plate, and the surface of the partition plate is provided with a long hole.

Preferably, the input collecting box, the transition box and the output collecting box are open at one side close to the drying machine box and are connected with the box body of the drying machine box through side plates.

Preferably, the inner side plate of the shunt pipeline is a heat conducting plate and is in contact with the drying case body for heat conduction through the inner side plate.

(III) advantageous effects

The utility model provides a grain dryer, which has the following beneficial effects:

the utility model has the advantages of simple hot smoke recovery, low investment cost, energy saving, environmental protection, production cost reduction and efficiency improvement by arranging the insulation box, forming the insulation box by the input collection box, the transition box, the output collection box and the diversion pipeline, recovering hot air flow overflowing from the grain layer, and enabling the waste heat of the hot smoke to be uniformly distributed around the box body of the drying machine box through hot smoke diversion and mixing, thereby being used for uniformly drying grains by the waste heat, improving the heat energy utilization rate, having short waste heat recovery path, not considering impurities in the hot smoke, having simple hot smoke recovery and low investment cost, having the advantages of energy saving, environmental protection, production cost reduction and efficiency improvement, heating the grains by the heat diversion in the hot smoke, further reducing the waste smoke emission temperature of the drying machine, and greatly reducing the energy consumption of the drying process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the incubator of the present invention;

FIG. 3 is a schematic view of the connection of the input collection box, transition box and output collection box to the diversion conduit of the present invention;

FIG. 4 is a schematic view of the internal structure of the transition box of the present invention.

In the figure: 1. drying the cabinet; 2. a heat preservation box; 201. an input collection box; 202. a transition box; 2021. a partition plate; 203. an output collection box; 204. a diversion pipeline; 3. a smoke conveying pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: a grain drier comprises a drier case 1, wherein grains are conveyed into the drier case 1 to be dried under the control of a conveying mechanism, the dried grains are discharged from a discharge port, a hot smoke outlet is formed in the top of the drier case 1, hot smoke generated in the drying process is discharged from the hot smoke outlet, heat is carried in gas, the temperature is high, the flow is large, the exhaust gas temperature is generally 150-250 ℃, the side surface of the drier case 1 surrounds an insulation can 2, the hot smoke outlet of the drier case 1 is communicated with the insulation can 2 through a smoke conveying pipeline 3 to recover waste heat, the heat supply smoke is circulated and insulated, the fluidity is good, the waste heat for drying the grains can be used for increasing the grain temperature by 20-25 ℃, and the loss of the heat is reduced to the maximum extent by adopting effective insulation measures, meanwhile, the temperature of the discharged smoke after recovery is effectively reduced, and the preheating effect on the grains is obvious;

the heat preservation box 2 comprises an input collection box 201, a transition box 202 and an output collection box 203, a smoke inlet of the input collection box 201 is communicated with a smoke conveying pipeline 3, a smoke exhaust outlet of the output collection box 203 is communicated with a waste smoke treatment pipeline, the transition box 202 is positioned between the input collection box 201 and the output collection box 203, chambers of the input collection box 201, the transition box 202 and the output collection box 203 are communicated with a heat supply smoke flow through a flow distribution pipeline 204 for heat preservation, and the flow distribution pipeline 204 is large in flux and not easy to block.

As shown in fig. 1-2, as a technical optimization scheme of the present invention, the distribution pipes 204 are distributed at equal intervals from top to bottom, and the side surfaces of the input collection box 201, the transition box 202 and the output collection box 203 are sequentially provided with notches from top to bottom to be connected and communicated with the distribution pipes 204 at corresponding heights;

the cavity that reposition of redundant personnel pipeline 204 top linked up input collecting box 201 and transition case 202 forms the independent reposition of redundant personnel passageway of hot cigarette for to hot cigarette reposition of redundant personnel, guarantee heat evenly distributed, the cavity that transition case 202 and output collecting box 203 linked up reposition of redundant personnel pipeline 204 tail end forms the mixed collection chamber of hot cigarette, and transition case 202 mixes hot cigarette, reduces heat gradient, guarantees that the heat is even, and output collecting box 203 mixes hot cigarette for concentrate the discharge.

As shown in fig. 1, as a technical optimization of the present invention, the transition box 202 is clamped in a recess of the dryer casing 1.

As shown in fig. 2-4, as a technical optimization scheme of the present invention, the chamber of the transition box 202 is divided left and right by a partition 2021 arranged longitudinally, and a long hole is arranged on the surface of the partition 2021, so that the hot smoke mixing efficiency is improved by the partition 2021 with the long hole, and a large thermal gradient in the diversion channel is avoided.

As shown in fig. 2-3, as a technical optimization scheme of the present invention, the input collection box 201, the transition box 202 and the output collection box 203 are open at the side close to the drying machine case 1, and are connected with the drying machine case 1 through side plates.

As shown in fig. 2-3, as a technical optimization solution of the present invention, the inner side plate of the diversion pipe 204 is a heat conduction plate, and the heat conduction plate contacts with the box body of the drying machine box 1 through the inner side plate.

In conclusion, the heat insulation box 2 is arranged, so that the problems of improving the heat recovery of hot smoke and reducing the energy consumption required by drying are solved.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grain drier, includes drying machine case (1), drying machine case (1) top sets up the export of hot cigarette, insulation can (2), its characterized in that are surrounded to the side of drying machine case (1): the hot smoke outlet of the drying machine case (1) is communicated with the heat preservation box (2) through a smoke conveying pipeline (3) to supply hot smoke for circulation and heat preservation;

the heat preservation box (2) comprises an input collection box (201), a transition box (202) and an output collection box (203), a smoke inlet of the input collection box (201) is communicated with the smoke conveying pipeline (3), the transition box (202) is located between the input collection box (201) and the output collection box (203), and chambers of the input collection box (201), the transition box (202) and the output collection box (203) are communicated with a heat supply smoke flow through for heat preservation through a flow dividing pipeline (204).

2. The grain dryer of claim 1, wherein: the shunting pipelines (204) are distributed at equal intervals from top to bottom, and the side surfaces of the input collecting box (201), the transition box (202) and the output collecting box (203) are sequentially provided with notches from top to bottom to be connected and communicated with the shunting pipelines (204) with corresponding heights;

the initial end of the diversion pipeline (204) is connected with the chambers of the input collection box (201) and the transition box (202) to form a hot smoke independent diversion channel, and the tail ends of the chambers of the transition box (202) and the output collection box (203) are connected with the diversion pipeline (204) to form a hot smoke mixing collection cavity.

3. The grain dryer of claim 1, wherein: the transition box (202) is clamped in a notch of the drying machine box (1).

4. The grain dryer of claim 1, wherein: the chamber of the transition box (202) is divided into left and right by a partition plate (2021) arranged longitudinally, and the surface of the partition plate (2021) is provided with a long hole.

5. The grain dryer of claim 1, wherein: one side of the input collecting box (201), one side of the transition box (202) and one side of the output collecting box (203) close to the drying case (1) are open openings, and are connected with the case body of the drying case (1) through side plates.

6. The grain dryer of claim 1, wherein: the inner side plate of the shunt pipeline (204) is a heat-conducting plate and is in contact with the box body of the drying cabinet (1) for heat conduction through the inner side plate.