CN215217115U - Heat recovery device for increasing enthalpy by heating fresh air and humidifying - Google Patents
Heat recovery device for increasing enthalpy by heating fresh air and humidifying Download PDFInfo
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- CN215217115U CN215217115U CN202121127000.XU CN202121127000U CN215217115U CN 215217115 U CN215217115 U CN 215217115U CN 202121127000 U CN202121127000 U CN 202121127000U CN 215217115 U CN215217115 U CN 215217115U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a heat recovery device for fresh air heating and humidification enthalpy increase, which comprises a fresh air channel for conveying fresh air and a humidification mechanism for humidifying the fresh air, wherein the fresh air channel is arranged in front of an air outlet of a dryer; the humidifying mechanism comprises a spray head for spraying in the heat exchange process, and the spray head is arranged in the fresh air channel; the fresh air channel leads the fresh air which acquires heat to the evaporator of the dryer through the air inlet pipeline to release heat. This heat recovery device further increases the enthalpy value of new trend through the in-process at the heat transfer to the new trend humidification, effectively improves heat recovery rate.
Description
Technical Field
The utility model relates to an exhaust heat recovery unit of desiccator, concretely relates to fresh air heating and heat recovery unit of humidification enthalpy increase.
Background
In modern agricultural mechanized production, after grain is harvested, a heat pump dryer is generally adopted to dry the grain for subsequent processing or long-term storage. Wherein, dry exhaust is high enthalpy gas of high temperature and high humidity usually, for make full use of heat, often can adopt the heat exchanger to retrieve exhaust heat, gives the new trend with heat transfer, and the new trend after will preheating is used for the grain drying again, can effectively improve equipment's drying capacity.
Further, in current dry exhaust heat transfer, its purpose is mainly used for the dry material with the new trend, only improves the new trend temperature and does not change absolute humidity usually, and the new trend temperature is very close with exhaust temperature, and the exhaust is because of separating wet and the temperature drops a little, and backheat efficiency is about 30%, and remaining heat is arranged to the environment, and heat recovery rate is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that above-mentioned exists, provide a fresh air heating and heat recovery device that humidification increases the enthalpy, this heat recovery device is through the in-process at the heat transfer to the fresh air humidification, further increases the enthalpy value of new trend, effectively improves heat recovery rate.
The purpose of the utility model is realized through the following technical scheme:
a heat recovery device for heating fresh air and increasing enthalpy by humidification comprises a fresh air channel for conveying fresh air and a humidification mechanism for humidifying the fresh air; the fresh air channel is arranged in front of an exhaust port of the dryer;
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 heat recovery device for increasing enthalpy by fresh air heating and humidification is as follows:
during operation, arrange the exhaust passage in with new trend passageway, the exhaust after the drying blows to new trend passageway, and at the in-process of exhausting with the surface contact of new trend passageway, heat from exhausting the surface of transmitting to new trend passageway, on transmitting to the new trend from the surface of new trend passageway again, realizes heat recovery, will acquire thermal new trend and lead to the evaporimeter department of desiccator for the defrosting effectively improves refrigeration efficiency.
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, the new trend passageway will acquire thermal new trend through the intake stack and lead to the evaporimeter of desiccator and release heat for defrosting or make the evaporimeter not frost, effectively improve refrigeration efficiency, thereby solve the not good enough problem of result of use in autumn and winter season of heat pump 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.
The utility model discloses a preferred scheme, wherein, the outer wall of new trend passageway is made by the heat conduction material.
The utility model discloses a preferred scheme, wherein, 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 indicates 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 heat recovery device is at the in-process of heat transfer, and the shower nozzle of humidification mechanism sprays water to the new trend, improves the humidity of new trend, absorbs carminative heat through the evaporation of water, reduces the new trend temperature rise, improves the latent heat of new trend when improving the sensible heat of new trend, further increases the enthalpy value of new trend, improves heat recovery rate by a wide margin.
2. 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 heat recovery device for increasing enthalpy by heating fresh air and humidifying the fresh air in the present invention.
Fig. 2 is a top sectional view of the heat recovery device for increasing enthalpy by heating fresh air and humidifying.
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 heat recovery device for heating and humidifying fresh air to increase enthalpy in the embodiment is used for converting heat of exhaust gas of the heat pump dryer into fresh air, and the heat recovery device includes a fresh air channel 1 for conveying the fresh air and a humidifying mechanism for humidifying the fresh air.
Referring to fig. 1-2, the fresh air channel 1 is arranged in a trash wall 2, the trash wall 2 is arranged in a trash chamber 3, and the trash wall 2 is erected in front of an exhaust inlet of the trash chamber 3. The impurity removing wall 2 is made of heat conducting materials, and can be made of metal materials such as iron and aluminum.
Furthermore, the fresh air channel 1 discharges heat from the fresh air which acquires heat to the evaporator of the dryer through the air inlet pipeline, so that the evaporator is defrosted or not frosted, the refrigeration efficiency is effectively improved, and the problem that the heat pump dryer is poor in use effect in autumn and winter is solved.
Referring to fig. 1-2, the humidifying mechanism includes a nozzle 4 for spraying in the heat exchange process, a water pipe and a valve, the nozzle 4 is arranged in the fresh air channel 1; 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 device in this embodiment further includes a fresh air blower 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 blower 5 and is used by a heating device or a cooling device of the dryer.
Further, the fresh air fan 5 is composed of a fan inside the dryer, so that the fan does not need to be arranged independently, and the normal cost of the equipment is reduced.
Referring to fig. 1-2, the working principle of the heat recovery device for fresh air heating and humidification enthalpy increase in the embodiment is as follows:
during operation, arrange exhaust channel 1 in exhaust passage, the exhaust after the drying blows to fresh air channel 1, and at the in-process of exhaust and fresh air channel 1's surface contact, heat is from exhausting the surface of transmitting to fresh air channel 1, on transmitting to the new trend from fresh air channel 1's surface again, realizes heat recovery, and the new trend that will acquire after the heat leads to the evaporimeter department of desiccator for the defrosting effectively improves refrigeration efficiency.
Further, at the in-process of heat transfer, the shower nozzle 4 of humidification mechanism sprays water to the new trend, improves the humidity of new trend, absorbs carminative heat through the evaporation of water, improves the latent heat of new trend promptly when improving the sensible heat of new trend, under the prerequisite that reduces the new trend temperature rise, further increases the enthalpy value of new trend, effectively improves heat recovery rate. 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 (5)
1. A heat recovery device for heating fresh air and increasing enthalpy by humidification is characterized by comprising a fresh air channel for conveying fresh air and a humidification mechanism for humidifying the fresh air, wherein the fresh air channel is arranged in front of an air outlet of a dryer;
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 fresh air heating and humidifying enthalpy-increasing heat recovery device according to claim 1, wherein the fresh air channel passes the heat-gaining fresh air to an evaporator of the dryer through an air inlet duct to release heat.
3. The fresh air heating and humidifying enthalpy-increasing heat recovery device according to claim 1, wherein the humidifying mechanism further comprises a water pipe and a valve, the water pipe is communicated between the water storage tank and the spray head, and the valve is arranged on the water pipe.
4. The fresh air heating and humidifying enthalpy-increasing heat recovery device according to claim 1, wherein an outer wall of the fresh air channel is made of a heat conducting material.
5. The fresh air heating and humidifying enthalpy-increasing heat recovery device according to claim 1, further comprising a fresh air blower for supplying fresh air to a working area of the dryer, wherein the working area of the dryer is an area where outlet air of the fresh air blower is utilized by a heating device or a cooling device of the dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121127000.XU CN215217115U (en) | 2021-05-24 | 2021-05-24 | Heat recovery device for increasing enthalpy by heating fresh air and humidifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121127000.XU CN215217115U (en) | 2021-05-24 | 2021-05-24 | Heat recovery device for increasing enthalpy by heating fresh air and humidifying |
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| Publication Number | Publication Date |
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| CN215217115U true CN215217115U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121127000.XU Active CN215217115U (en) | 2021-05-24 | 2021-05-24 | Heat recovery device for increasing enthalpy by heating fresh air and humidifying |
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| CN (1) | CN215217115U (en) |
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2021
- 2021-05-24 CN CN202121127000.XU patent/CN215217115U/en active Active
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