| Hybrid solar dryer for drying object, comprises greenhouse dryer chamber is equipped with exhaust fan mounted on one side to effectively remove moisture without significant heat loss and sliding door on its opposite side for air circulation as needed, depending on product being dried | |
| 2024-12-18 | |
| 专利权人 | MAHATMA GANDHI INST RURAL INDUSTRILISATI (MAHA-Non-standard) |
| 申请日期 | 2024-12-18 |
| 专利号 | IN202421100485-A |
| 成果简介 | NOVELTY - Hybrid solar dryer (100) comprises greenhouse dryer chamber (102), constructed from mild steel angles and covered with a thick multilayered polycarbonate sheet, comprises a shape of a rectangular parallel piped base and a dome with a semicircular cavity on top. The chamber is equipped with an exhaust fan mounted on one side, approximately 1/4th of the total height from the top, to effectively remove moisture without significant heat loss and a sliding door on its opposite side that can be opened for air circulation as needed, depending on the product being dried, greenhouse dryer chamber comprises tray fixtures, arranged to accommodate drying trays, designed to hold stainless steel trays. The drying trays are connected to a solar collector via a converging-shaped connector duct, designed to create a natural draft that facilitates the circulation of hot air into the greenhouse chamber for faster drying. USE - Hybrid solar dryer for drying an object (claimed). ADVANTAGE - The hybrid solar dryer (also called as MGIRI hybrid solar dryer) that combines a greenhouse dryer with a solar collector. The greenhouse chamber is constructed from multilayered polycarbonate sheets mounted on mild steel angles, forming a rectangular parallelepiped shape with a semicircular dome at top. Inside the greenhouse chamber, drying trays are used to hold the products being dried. The connector duct is designed with an inclination angle of 12-16 degrees, to facilitate the easy ascent of hot air from the collector to the greenhouse chamber and aiding natural air circulation. The side walls and bottom surface of the duct are insulated with foam insulation to minimize heat loss. The duct also features a fastening arrangement to securely attach it to the greenhouse chamber, using seals to ensure a tight fit and prevent heat leakage. The efficient solar dryer enables to dry variety of products with high drying rates and minimal cost, integrates the greenhouse dryer and solar collector, eliminates the necessity of heat exchangers for heat transfer in the drying chamber and the use of secondary heat transfer medium and insulated cabinet, and provide a solar dryer with the specially designed connector for effective circulation of heat from the solar collector to the drying chamber. DETAILED DESCRIPTION - Hybrid solar dryer comprises greenhouse dryer chamber (102), constructed from mild steel angles and covered with a thick multilayered polycarbonate sheet, comprises a shape of a rectangular parallel piped base and a dome with a semicircular cavity on top. The chamber is equipped with an exhaust fan mounted on one side, approximately 1/4th of the total height from the top, to effectively remove moisture without significant heat loss and a sliding door on its opposite side that can be opened for air circulation as needed, depending on the product being dried, greenhouse dryer chamber comprises tray fixtures, arranged to accommodate drying trays, designed to hold stainless steel trays. The drying trays are connected to a solar collector via a converging-shaped connector duct, designed to create a natural draft that facilitates the circulation of hot air into the greenhouse chamber for faster drying. The solar collector (101) comprises glass cover (103) made of toughened glass, fitted over a mild steel box. The sides and bottom of the box are insulated with glass wool, providing side insulation (104) and bottom insulation (105) to minimize heat loss to the atmosphere. The absorber surface (106) is made up of aluminium sheet in the corrugated pattern and coated with the black absorber coating. An INDEPENDENT CLAIM is included for a method for drying an object by a hybrid solar dryer, which involves: receiving solar radiation by drying chamber through a transparent cover which retains heat inside the chamber based on the greenhouse effect, wherein the drying occurs through direct sunlight heating passing through the polycarbonate sheet, which creates greenhouse heating inside the chamber, as well as additional heat supplied by the attached solar collector. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of MGIRI hybrid solar dryer. 100Hybrid solar dryer 101Solar collector 102Greenhouse dryer chamber 103Glass cover 104Side insulation 105Bottom insulation 106Absorber surface |
| IPC 分类号 | A01F-025/12 ; A23B-007/02 ; F24S-023/74 ; F26B-003/28 |
| 国家 | 印度 |
| 专业领域 | 能源矿产 |
| 语种 | 英语 |
| 成果类型 | 专利 |
| 文献类型 | 科技成果 |
| 条目标识符 | http://119.78.100.226:8889/handle/3KE4DYBR/13991 |
| 专题 | 中国科学院新疆生态与地理研究所 |
| 作者单位 | MAHATMA GANDHI INST RURAL INDUSTRILISATI (MAHA-Non-standard) |
| 推荐引用方式 GB/T 7714 | CHAUDHARI S,DESHMUKH K,MURKUTE A A,et al. Hybrid solar dryer for drying object, comprises greenhouse dryer chamber is equipped with exhaust fan mounted on one side to effectively remove moisture without significant heat loss and sliding door on its opposite side for air circulation as needed, depending on product being dried. IN202421100485-A[P]. 2024. |
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