CN215217114U - Fresh air heating humidification and exhaust impurity removal integrated device - Google Patents
Fresh air heating humidification and exhaust impurity removal integrated device Download PDFInfo
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- CN215217114U CN215217114U CN202121126966.1U CN202121126966U CN215217114U CN 215217114 U CN215217114 U CN 215217114U CN 202121126966 U CN202121126966 U CN 202121126966U CN 215217114 U CN215217114 U CN 215217114U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a fresh air heating humidification 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 for conveying fresh air and a humidifying mechanism for humidifying the fresh air; the humidification mechanism comprises a spray head used for spraying in the heat exchange process, and the spray head is arranged in the fresh air channel. The utility model can not only recover heat and remove impurities, but also is especially suitable for drying rice; and the fresh air is humidified in the heat exchange process, so that the heat recovery rate is high.
Description
Technical Field
The utility model relates to an exhaust heat recovery device of desiccator, concretely relates to new trend heating humidification 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, 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, when the ambient temperature is lower than 10 ℃, the evaporation temperature of a heat pump refrigerating system is generally lower than 0 ℃, the frosting phenomenon can occur on an evaporator, the heat exchange and heating efficiency is reduced, the drying effect is not good, and therefore, 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.
However, in the existing drying exhaust heat exchange, the purpose is mainly to use fresh air for drying materials, the temperature of the fresh air is usually only increased without changing absolute humidity, the temperature of the fresh air is very easy to approach the exhaust temperature, the temperature of exhaust is not reduced much due to moisture separation, the heat regeneration efficiency is about 30%, the rest heat is exhausted to the environment, and the heat recovery rate is low.
In addition, in the drying work of grain type grains, the drying exhaust gas contains impurity particles or straws with larger volume, the heat exchange area of the heat pump heat exchanger is large, the fin intervals are small, large particle impurities easily block the heat exchanger, and the large particle impurities can be recycled only through impurity removal treatment, so that the existing heat recovery device is not suitable for heat recovery of the drying exhaust gas of the grain type grains, particularly for drying rice.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the existing problems and provide a fresh air heating and humidifying and exhaust impurity removal integrated device, which can not only remove impurities while recovering heat, but also is particularly suitable for drying rice; and the fresh air is humidified in the heat exchange process, so that the heat recovery rate is high.
The purpose of the utility model is realized through the following technical scheme:
a fresh air heating, humidifying 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 for conveying fresh air and a humidifying mechanism for humidifying the fresh air; the humidification mechanism comprises a spray head used for spraying in the heat exchange process, and the spray head is arranged in the fresh air channel.
The working principle of the fresh air heating, humidifying and exhausting and impurity removing 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.
Wherein, because the new trend passageway sets up in the edulcoration wall, when exhaust and edulcoration wall contact, heat from the exhaust transmit to on the edulcoration wall, on the new trend in the new trend passageway is transmitted to from the edulcoration wall again, realize heat recovery.
Furthermore, in the heat exchange process, the spray head of the humidifying mechanism sprays water to the fresh air, the humidity of the fresh air is improved, the exhausted heat is absorbed through water evaporation, the temperature rise of the fresh air is reduced, the latent heat of the fresh air is improved while the sensible heat of the fresh air is improved, the enthalpy value of the fresh air is further increased, and the heat recovery rate is effectively improved.
The utility model discloses a preferred scheme, wherein, still include the return air module, this return air module include with the return air passageway of new trend passageway intercommunication, along carminative flow direction, the return air passageway sets up the rear at the edulcoration wall. After the exhaust is subjected to impurity removal, the exhaust air is converged into the fresh air through the return air channel and is led to the evaporator of the dryer together with the fresh air, so that the evaporation temperature of the evaporator can be increased.
Preferably, the return air module further comprises a filter screen impurity removal element for reducing the impurity rate of the return air, and the filter screen impurity removal element is arranged in the return air channel.
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.
Further, along the exhaust flow direction, the return air channel is arranged between two adjacent impurity removing walls.
The utility model discloses a preferred scheme, wherein, the edulcoration module still includes the water edulcoration component through water absorption carminative impurity, and this water edulcoration component sets up between two adjacent edulcoration walls. In this way, the water stripping element can filter out fine dust and particles that have not yet been deposited when the exhaust gas flows between two adjacent stripping walls.
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.
The utility model discloses a preferred scheme, wherein, humidification mechanism still includes raceway and valve, the raceway intercommunication is between storage water tank and shower nozzle, the valve sets up on the raceway.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses with the fresh air channel 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 fresh air of edulcoration wall transmission to in the fresh air channel to realize heat recovery in the edulcoration, be particularly useful for the corn 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.
3. In the heat exchange process, the spray head of the humidifying mechanism sprays water to the fresh air, the humidity of the fresh air is improved, the exhausted heat is absorbed through water evaporation, the temperature rise of the fresh air is reduced, the latent heat of the fresh air is improved while the sensible heat of the fresh air is improved, the enthalpy value of the fresh air is further increased, and the heat recovery rate is greatly improved.
4. Different with the new trend after the current heat transfer (because need the circulation drying, current new trend can absolutely not the humidification), the utility model discloses a retrograde thinking carries out the humidification to the new trend, can lead to the evaporimeter department of desiccator with the new trend after the humidification enthalpy for the defrosting or make the evaporimeter not frost, effectively improve refrigeration efficiency, thereby solve the problem that the result of use is not good enough in autumn and winter season of heat pump drying machine.
Drawings
Fig. 1 is a side sectional view of the integrated device for fresh air heating, humidifying and exhausting and impurity removing of the utility model.
Fig. 2 is a top view section of the integrated device for fresh air heating, humidifying and exhausting and impurity removing.
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 integrated device for heating, humidifying, exhausting and impurity removing of fresh air in the embodiment includes an impurity removing module, a heat recovery module and a return air module, wherein the impurity removing module includes an impurity removing chamber 1, and an impurity removing wall 2 is arranged in the impurity removing 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 includes a fresh air channel 3 for conveying fresh air and a humidifying mechanism for humidifying the fresh air; 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.
The humidification mechanism comprises a spray head 4, a water delivery pipe and a valve, wherein the spray head 4 is used for spraying in the heat exchange process, and the spray head 4 is arranged in the fresh air channel 3. The water delivery pipe is communicated between the water storage tank and the spray head 4, and the valve is arranged on the water delivery pipe.
Referring to fig. 1-2, the heat recovery module further includes a fresh air fan 5 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 5 and is used by a heating device or a cooling device of the dryer. Specifically, new trend fan 5 comprises the inside fan of desiccator, can not set up the fan alone like this, reduces the normal cost of equipment.
Referring to fig. 1-2, the return air module includes the return air passageway that communicates with new trend passageway 3 and is used for sending the new trend and partial exhaust to the draught fan of the work area of desiccator, along carminative flow direction, the return air passageway sets up between two adjacent edulcoration walls 2 for in converging the new trend with the exhaust after the edulcoration. The draught fan is composed of the fresh air fan 5.
Referring to fig. 1-2, the return air module further includes a filter screen impurity removal element 8 for reducing the impurity rate of the return air, and the filter screen impurity removal element 8 is disposed in the return air passage. Specifically, the filter screen impurity removing element 8 may be a filter device capable of filtering particles visible to naked eyes such as dust in the prior art.
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 6 and two outer walls 7, wherein the two inner walls 6 are respectively arranged at two ends of the trash wall 2; the space between the inner wall 6 and the outer wall 7 constitutes the main channel. The impurity removing wall 2 and the inner wall 6 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 working principle of the integrated device for heating, humidifying, exhausting and removing impurities of fresh air 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.
Wherein, because new trend passageway 3 sets up in edulcoration wall 2, when exhaust and the contact of edulcoration wall 2, heat from the 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.
Further, in the heat exchange process, the spray head 4 of the humidifying mechanism sprays water to the fresh air, the humidity of the fresh air is improved, the exhausted heat is absorbed through water evaporation, the temperature rise of the fresh air is reduced, the latent heat of the fresh air is improved while the sensible heat of the fresh air is improved, the enthalpy value of the fresh air is further increased, and the heat recovery rate is effectively improved. Wherein, the calculation formula of the enthalpy is as follows: i ═ 1.01t +2500d +1.84d ═ t; t is the temperature; d is the moisture content (amount of water vapor), and when the temperature is constant, the water evaporates absorbing a large amount of heat.
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 (8)
1. A fresh air heating, humidifying 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;
the heat recovery module comprises a fresh air channel for conveying fresh air and a humidifying mechanism for humidifying the fresh air; the humidification mechanism comprises a spray head used for spraying in the heat exchange process, and the spray head is arranged in the fresh air channel.
2. The integrated device for fresh air heating, humidifying, exhausting and impurity removing as claimed in claim 1, further comprising a return air module, wherein the return air module comprises a return air channel communicated with the fresh air channel, and the return air channel is arranged behind the impurity removing wall along the flowing direction of the exhausted air.
3. The integrated fresh air heating, humidifying and exhaust impurity removing device as claimed in claim 2, wherein the return air module further comprises a filter screen impurity removing element for reducing the impurity rate of the return air, and the filter screen impurity removing element is arranged in the return air channel.
4. The integrated device for fresh air heating, humidifying, exhausting and impurity removing as claimed in claim 1, wherein the exhaust inlet and the 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.
5. The integrated fresh air heating, humidifying, exhaust and impurity removing device as claimed in claim 4, wherein 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.
6. The integrated device for heating and humidifying fresh air and removing impurities in accordance with claim 1, wherein the fresh air channel comprises a main channel and branch channels, the branch channels are arranged in the impurity removing walls, and the number of the branch channels is the same as that of the impurity removing walls;
the main channel is equipped with two, divide the passageway to connect between two main channels.
7. The integrated device for fresh air heating humidification and exhaust impurity removal as claimed in claim 1, 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.
8. The integrated device for fresh air heating, humidifying, exhausting and impurity removing as claimed in 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 output by the fresh air fan through a heating device or a cooling device of the dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121126966.1U CN215217114U (en) | 2021-05-24 | 2021-05-24 | Fresh air heating humidification and exhaust impurity removal integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121126966.1U CN215217114U (en) | 2021-05-24 | 2021-05-24 | Fresh air heating humidification and exhaust impurity removal integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215217114U true CN215217114U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121126966.1U Active CN215217114U (en) | 2021-05-24 | 2021-05-24 | Fresh air heating humidification and exhaust impurity removal integrated device |
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| CN (1) | CN215217114U (en) |
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2021
- 2021-05-24 CN CN202121126966.1U patent/CN215217114U/en active Active
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