CN215217116U

CN215217116U - Exhaust heat recovery and exhaust edulcoration integrated device

Info

Publication number: CN215217116U
Application number: CN202121127080.9U
Authority: CN
Inventors: 刘清化; 刘庚强; 陈煜龙; 陈永春; 马道宽; 汤石生; 叶开愚; 黄隆胜; 李浩权; 龙成树
Original assignee: Guangdong Modern Agricultural Equipment Research Institute
Current assignee: Guangdong Modern Agricultural Equipment Research Institute
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-17
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses an exhaust heat recovery and exhaust impurity removal integrated device, which comprises an impurity removal module and a heat recovery module, wherein the impurity removal module comprises an impurity removal chamber, and an impurity removal wall is arranged in the impurity removal chamber; the impurity removing wall is erected in front of an exhaust inlet of the impurity removing chamber; the heat recovery module comprises a fresh air channel, and the fresh air channel is arranged in the impurity removing wall; an exhaust inlet and an exhaust outlet of the impurity removing chamber are respectively arranged on two opposite side walls; the trash wall is located between the exhaust inlet and the exhaust outlet. The utility model discloses can accomplish heat recovery in the edulcoration, effectively improve refrigerating output or drying capacity, be particularly useful for the corn drying.

Description

Exhaust heat recovery and exhaust edulcoration integrated device

Technical Field

The utility model relates to a grain drier exhaust treatment device, concretely relates to exhaust heat recovery and exhaust edulcoration integrated device.

Background

In modern agricultural mechanized production, grain is dried by drying equipment after being harvested for subsequent processing or long-term storage. The existing drying equipment mostly adopts a heat pump dryer, and because the efficiency of the heat pump dryer is related to the ambient temperature, that is, the heating efficiency and the drying effect are reduced along with the reduction of the ambient temperature, the heat pump dryer generally has the problem of poor use effect in autumn and winter.

Because the exhaust temperature of grain drying is generally higher than the temperature of ambient air, utilize exhaust and new trend to carry out the heat exchange, can preheat the new trend, when the new trend heat is used for being absorbed by the heat pump evaporator, can improve the efficiency of heating, can improve equipment's drying capacity when the new trend is used for the material drying.

The existing heat exchanger (heat recovery device) mainly comprises an exhaust channel and a fresh air channel, and is usually used for the occasions where fresh air and exhaust are relatively clean due to the design reasons of compact structure and small volume. Most of exhaust gas for drying grains contains impurity particles or straws with larger volume, and the exhaust gas cannot directly flow through an evaporator or a condenser and can be recycled only through impurity removal treatment, so that the existing heat recovery device is not suitable for heat recovery of exhaust gas for drying grains, particularly for drying rice.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that above-mentioned exists, provide an exhaust heat recovery and exhaust edulcoration integrated device, this integrated device can accomplish heat recovery in the edulcoration, effectively improves refrigerating capacity or drying capacity, is particularly useful for the corn drying.

The purpose of the utility model is realized through the following technical scheme:

an exhaust heat recovery and exhaust impurity removal integrated device comprises an impurity removal module and a heat recovery module, wherein the impurity removal module comprises an impurity removal chamber, and an impurity removal wall is arranged in the impurity removal chamber; the impurity removing wall is erected in front of an exhaust inlet of the impurity removing chamber;

the heat recovery module comprises a fresh air channel, and the fresh air channel is arranged in the impurity removing wall.

The working principle of the exhaust heat recovery and exhaust impurity removal integrated device is as follows:

when the device works, the exhaust gas after the rice grains are dried is introduced into the impurity removing chamber, the exhaust gas containing impurities such as rice husks and straws collides against the impurity removing wall, the flow space and the flow direction of the exhaust gas are limited by the impurity removing wall, the wind speed is reduced, the impurities with large mass are gradually settled, and the purpose of reducing the impurity content of the exhaust gas is achieved.

Furthermore, because the fresh air channel is arranged in the impurity removing wall, when exhaust is in contact with the impurity removing wall, heat is transmitted to the impurity removing wall from the exhaust, and then is transmitted to fresh air in the fresh air channel from the impurity removing wall, so that heat recovery is realized, the fresh air after acquiring the heat is led to a heating device or a cooling device of the dryer, and the refrigeration efficiency or the drying capacity is effectively improved.

In a preferred embodiment of the present invention, the exhaust inlet and the exhaust outlet of the impurity removing chamber are respectively disposed on two opposite sidewalls;

the trash wall is located between the exhaust inlet and the exhaust outlet.

Preferably, the number of the impurity removing walls is at least two, and the bottom of the impurity removing wall close to the exhaust inlet is fixed on the bottom surface of the impurity removing chamber; the top of the impurity removing wall close to the exhaust outlet is fixed on the top surface of the impurity removing chamber. Through the structure, a bent exhaust path is constructed, and the exhaust impurity rate is further reduced.

The utility model discloses a preferred scheme, wherein, fresh air channel includes main entrance and subchannel, divide the passageway to set up in the edulcoration wall, the quantity of this branch passageway is the same with the quantity of edulcoration wall;

the main channel is equipped with two, divide the passageway to connect between two main channels.

Preferably, the impurity removing chamber comprises two inner walls and two outer walls, and the two inner walls are respectively arranged at two ends of the impurity removing wall; the space between the inner wall and the outer wall forms the main channel; the impurity removing wall and the inner wall are made of heat conducting materials. Through above-mentioned structure, encircle the main entrance outside exhausting in the edulcoration room, including set up the branch passageway in the edulcoration wall, be equivalent to whole new trend passageway and surround the exhaust in three direction to carry out the heat transfer simultaneously in a plurality of positions of edulcoration room, be favorable to improving heat exchange efficiency.

The utility model discloses a preferred scheme, wherein, heat recovery module is still including being used for sending the new trend to the new trend fan of the work area territory of desiccator, desiccator work area territory is the region that utilizes new trend fan export air by the heating device or the heat sink of desiccator.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model discloses with the new trend passageway setting in the edulcoration wall, at the in-process of edulcoration, exhaust and the contact of edulcoration wall, on carminative heat transfer to the edulcoration wall, again from the new trend of edulcoration wall transmission to in the new trend passageway, thereby realize heat recovery in the edulcoration, the new trend after will acquireing the heat leads to in the heating device or the heat sink of desiccator, can effectively improve refrigeration efficiency or drying capacity, is particularly useful for the rice drying.

2. Through setting up new trend passageway in the edulcoration wall, have advantages such as heat transfer area is big, heat exchange efficiency height.

Drawings

Fig. 1 is a side sectional view of the exhaust heat recovery and exhaust impurity removal integrated device of the present invention.

Fig. 2 is a top view sectional view of the exhaust heat recovery and exhaust impurity removal integrated device of the present invention.

Detailed Description

In order to make those skilled in the art understand the technical solution of the present invention well, the present invention will be further described below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-2, the exhaust heat recovery and exhaust impurity removal integrated device in the embodiment includes an impurity removal module and a heat recovery module, where the impurity removal module includes an impurity removal chamber 1, and an impurity removal wall 2 is disposed in the impurity removal chamber 1; the trash wall 2 is erected in front of an exhaust inlet 1-1 of the trash chamber 1.

Referring to fig. 1-2, the heat recovery module comprises a fresh air channel 3, and the fresh air channel 3 is arranged in the trash wall 2; the fresh air channel 3 comprises a main channel and branch channels, the branch channels are arranged in the impurity removing walls 2, and the number of the branch channels is the same as that of the impurity removing walls 2; the main channel is equipped with two, divide the passageway to connect between two main channels.

Referring to fig. 1-2, an exhaust inlet 1-1 and an exhaust outlet 1-2 of the trash chamber 1 are respectively disposed on two opposite sidewalls; the impurity removing wall 2 is positioned between the exhaust inlet 1-1 and the exhaust outlet 1-2.

Furthermore, at least two impurity removing walls 2 are arranged, and the bottom of the impurity removing wall 2 close to the exhaust inlet 1-1 is fixed on the bottom surface of the impurity removing chamber 1; the top of the trash wall 2 near the exhaust outlet 1-2 is fixed on the top surface of the trash chamber 1. Through the structure, a bent exhaust path is constructed, and the exhaust impurity rate is further reduced.

Referring to fig. 1-2, the trash chamber 1 comprises two inner walls 5 and two outer walls 6, wherein the two inner walls 5 are respectively arranged at two ends of the trash wall 2; the space between the inner wall 5 and the outer wall 6 constitutes the main channel. The impurity removing wall 2 and the inner wall 5 are made of heat conducting materials, and can be made of metal materials such as iron and aluminum. Through above-mentioned structure, encircle the main entrance outside exhaust in edulcoration room 1, including set up the branch passageway in edulcoration wall 2, be equivalent to whole new trend passageway and surround the exhaust in three direction to carry out the heat transfer simultaneously in a plurality of positions of edulcoration room 1, be favorable to improving heat exchange efficiency.

Referring to fig. 1-2, the trash module further includes a water trash removal element absorbing impurities of the exhaust gas by water, the water trash removal element being disposed between adjacent two trash walls 2. In this way, the water stripping elements can filter out fine dust and particles that have not yet been deposited when the exhaust gas flows between two adjacent stripping walls 2.

Referring to fig. 1-2, the heat recovery module further includes a fresh air fan 4 for sending fresh air to a working area of the dryer, where the working area of the dryer is an area where air is output by the fresh air fan 4 and is used by a heating device or a cooling device of the dryer. Specifically, new trend fan 4 comprises the inside fan of desiccator, can need not decide independent setting like this, reduces the normal cost of equipment.

Referring to fig. 1-2, the working principle of the exhaust heat recovery and exhaust impurity removal integrated device in the embodiment is as follows:

when the device works, the exhaust gas after the rice grains are dried is introduced into the impurity removing chamber 1, the exhaust gas containing impurities such as rice husks and straws collides against the impurity removing wall 2, the flow space and the flow direction of the exhaust gas are limited by the impurity removing wall 2, the wind speed is reduced, the impurities with large mass are gradually settled, and the purpose of reducing the impurity content of the exhaust gas is achieved.

Further, because new trend passageway 3 sets up in edulcoration wall 2, when exhaust and the contact of edulcoration wall 2, heat from exhaust transfer to edulcoration wall 2 on, on the new trend in the new trend passageway 3 is transferred to from edulcoration wall 2 again, realize heat recovery, will acquire the new trend behind the heat and lead to in the heating device or the heat sink of desiccator to effectively improve refrigeration efficiency or drying capacity.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The exhaust heat recovery and exhaust impurity removal integrated device is characterized by comprising an impurity removal module and a heat recovery module, wherein the impurity removal module comprises an impurity removal chamber, and an impurity removal wall is arranged in the impurity removal chamber; the impurity removing wall is erected in front of an exhaust inlet of the impurity removing chamber;

2. The integrated exhaust heat recovery and exhaust impurity removal device according to claim 1, wherein an exhaust inlet and an exhaust outlet of the impurity removal chamber are respectively provided on two opposite side walls;

the trash wall is located between the exhaust inlet and the exhaust outlet.

3. The integrated exhaust heat recovery and exhaust impurity removal device according to claim 2, wherein the impurity removal walls are at least two, and the bottom of the impurity removal wall close to the exhaust inlet is fixed on the bottom surface of the impurity removal chamber; the top of the impurity removing wall close to the exhaust outlet is fixed on the top surface of the impurity removing chamber.

4. The integrated exhaust heat recovery and exhaust impurity removal device according to claim 1, wherein the fresh air channel comprises a main channel and branch channels, the branch channels are arranged in the impurity removal walls, and the number of the branch channels is the same as that of the impurity removal walls;

5. The integrated exhaust heat recovery and exhaust impurity removal device according to claim 4, wherein the impurity removal chamber comprises two inner walls and two outer walls, and the two inner walls are respectively arranged at two ends of the impurity removal wall; the space between the inner wall and the outer wall forms the main channel; the impurity removing wall and the inner wall are made of heat conducting materials.

6. The integrated exhaust heat recovery and exhaust impurity removal device according to claim 1, wherein the heat recovery module further comprises a fresh air fan for sending fresh air to a working area of the dryer, and the working area of the dryer is an area where air is discharged from the fresh air fan by a heating device or a cooling device of the dryer.