16 results about "Solar drying" patented technology

The application discloses a solar multistage latent heat recovery type sludge drying system and method, and relates to the technical field of sludge drying, in particular to the solar multistage latent heat recovery type sludge drying system and method. The system comprises a solar light condensing device, a solar heat storage device and a sludge drying device. The sludge drying device comprises multiple sludge drying spaces and multiple steam flow spaces. The sludge drying spaces and the steam flow spaces are sequentially and spacedly arranged from top to bottom. The steam flow space is separated from the sludge drying space above the steam flow space by a supporting purification layer. The steam flow space is separated from the sludge drying space below the steam flow space by a hydrophilic heat conduction layer and a hydrophobic heat conduction layer. A sunlight absorption layer and a transparent heat insulation layer are sequentially arranged above the uppermost sludge drying space. The application can improve the solar energy utilization efficiency of the system, reduce energy consumption and environmental impact, and solve the problems of high energy consumption, complex operation, low solar drying technology efficiency, secondary pollution and large occupied area in the sludge drying process.

The application discloses a production process of potassium fulvate of mineral origin, which uses weathered coal and / or lignite as raw materials, and comprises the following steps: raw coal slurry preparation, ultrasonic-assisted weak-alkali low-temperature closed-loop extraction, double-stage centrifugal separation and solar drying system drying to prepare high-activity potassium fulvate of mineral origin. The extraction is carried out at 45-55 DEG C, pH 11-12, ultrasonic power 3-5 kW and frequency 25-30 kHz for 30-60 min, and the extraction rate of fulvic acid is 65%-75%; the solar drying system is configured with an automatic turning and throwing system, a circulating ventilation system and a meteorological linkage system, and the crude liquid with a water content of 75% is dried to 15% in the whole process without waste water and carbonization. The application has the advantages of high extraction rate, low energy consumption, short time, high product activity, high small molecule content, no residue in full water solution at 25 DEG C and suitability for large-scale clean production.

The present application relates to the technical field of biodiesel preparation, and particularly relates to an integrated heat and power comprehensive biodiesel preparation system, which comprises a solar drying system, a zeolite activation system, a catalyst preparation system and a biodiesel preparation system. The solar drying system is used for cleaning eggshells, drying the cleaned eggshells and conveying the eggshells to the catalyst preparation system. The zeolite activation system is used for activating zeolite, improving the adsorption performance and ion exchange performance of the zeolite, recycling waste heat and conveying the activated zeolite to the catalyst preparation system. The catalyst preparation system is used for preparing calcium methoxide solid base catalyst. The solar drying system and the zeolite activation system are connected to the catalyst preparation system. The biodiesel preparation system is used for preparing biodiesel. The catalyst preparation system and the biodiesel preparation system are connected. The catalyst is prepared by using waste eggshells and methanol. Two wastes are recycled and utilized. High-temperature calcination and soaking are combined, so that the activation process of the zeolite is sufficient and thorough.

The present application relates to sludge drying treatment technical field, and its purpose is to provide a kind of sludge solar drying device, sludge drying system and sludge drying method.This kind of sludge solar drying device can discharge water vapor produced in drying process in time, facilitate drying work, speed up drying speed.The above-mentioned sludge solar drying device includes: overturning mechanism and exhaust mechanism;Overturning mechanism is set in drying area, and overturning mechanism is used to overturn wet sludge in drying area;Exhaust mechanism is set in the drying area, and exhaust mechanism is used to discharge water vapor evaporated by wet sludge.This application solves the problem that water vapor cannot be discharged in time in the drying process of sludge solar drying device in prior art, which can increase the humidity of drying area, slow down the drying speed, and is not conducive to the drying work.

The utility model discloses a solar energy and floor heating combined material storage and drying system, and belongs to the technical field of viscous material treatment. The system comprises a storage workshop, a solar drying workshop, a conveying part and a turning and throwing part, the storage workshop is internally divided into a dry material area and a viscous material area, and the solar drying workshop is arranged on the upper layer of the dry material area. Viscous materials are transferred to the solar drying workshop through the conveying part, and floor heating pipelines evenly distributed are arranged in the drying platform and matched with solar energy introduced by the hollow sunlight plate ceiling to achieve combined heating. The turner is driven by the traction chain to turn and throw materials back and forth, and the circulating fan and the exhaust fan promote air convection and accelerate water evaporation. The system is provided with dust removal, spraying and fire-fighting facilities, so that dust pollution and potential safety hazards are avoided. The system can get rid of weather limitation, achieves all-weather efficient drying of viscous materials, is simple in structure, low in cost and convenient to use, and meets the requirements for energy conservation, emission reduction and material recycling.

To provide a system for the green synthesis of copper nanoparticles using Rosa webbiana root extract for environmental control of pathogenic bacteria. [Solution] The system comprises a plant extraction module configured to prepare a Rosa webbiana root extract, including a crushing unit, a methanol soaking tank, a filtration unit using Whatman filter paper, and a solar drying device; a nanoparticle synthesis module configured to react the prepared extract with an aqueous copper sulfate solution under controlled heating and stirring conditions to form copper nanoparticles, including a reaction chamber equipped with a heating and stirring mechanism; a drying and collection module including means for evaporating the solvent under controlled conditions and collecting the synthesized copper nanoparticles; and a characterization unit configured to analyze the optical, structural, and morphological properties of the synthesized copper nanoparticles, including a UV-visible spectrophotometer, an FTIR spectrophotometer, an X-ray diffractometer, and a scanning electron microscope.

The utility model relates to the technical field of solar drying, and particularly discloses a solar PVT auxiliary graphene electric heating drying device, which comprises a main frame, a drying box is arranged on the outer surface of the main frame, a solar PVT system is arranged on the outer surface of the main frame, a dehumidification and air exchange device is arranged in the drying box, a hot air exchange assembly is arranged in the drying box, the graphene electric heating film is arranged, can be heated at a speed of three seconds, has low energy consumption, the temperature and humidity sensor and the graphene temperature control system are arranged in cooperation, the temperature error can be only plus or minus one Celsius temperature, material scorching or uneven drying can be avoided, the problem that the electric auxiliary heating uses resistance wire heating, has higher energy consumption and poor temperature control precision can be effectively solved, air is directly heated by using the solar PVT system, electricity consumption can be effectively reduced, and when it is cloudy, the graphene electric heating film only assists in heating, is more than thirty percent of electricity saving than traditional resistance wire, and the comprehensive energy consumption is lower.

The invention provides an airing method and system, and relates to the technical field of clothes airing equipment. According to the method, the position information and the bearing information of each airing hanging hole in the current airing rod are obtained, and each target hanging hole is screened out; and carrying out weight balancing on each target hanging hole on the basis of normal distribution to obtain corresponding recommended hanging weight information, judging whether the current airing rod is in a uniform state or not on the basis of the recommended hanging weight information and self-bearing information, and carrying out hanging weight adjustment prompting when the current airing rod is judged to be in a non-uniform state. On the basis, the problem that structural members of the airing rod are damaged due to long-term uneven weight hanging can be avoided, the service life of the corresponding structure of the clothes airing machine can be effectively prolonged, and the stability of the equipment is improved.

The invention relates to automatic food drying systems primarily designed to dry food products using solar energy. In fact, these systems mainly utilize alternating plate solar collectors as a heat exchanger. The said system is composed of a control part (CP) and an operational part (OP), where the operational part consists of: main glass, upper cover, upper absorbent plate, lower absorbent plate, secondary glass, chimney, drying chamber, hot air duct, fixing support and drying chamber door. The innovative feature of this system lies in the design of two alternating absorbent plates, with double glazing on the lower plate. This improves the efficiency of the solar air collector and, consequently, the drying process. The alternating absorbent plates enhance the mixing of fresh air with air heated by solar radiation, thus optimizing the collector's thermal efficiency. Double glazing creates an increased greenhouse effect, reducing heat loss by convection, which improves the thermal and hydrodynamic performance of the solar collector.

The present invention pertains to the storage of thermal energy for the efficient drying of agricultural crops. In one embodiment, a solar drying system is proposed that utilizes phase change material (PCM) as the energy storage medium. The System is based on a conventional flat-plate solar collector, which consists of a collector frame, a collector box, insulation, an absorber plate, inlet and outlet sections, a double glass cover, and a PCM heat storage layer. The absorber plate is made of 2 mm thick galvanized steel and is painted matte black. The collector body is also constructed from galvanized steel, with 5 cm thick glass wool used for insulation. Air flows between the absorber plate and the first glazing, exiting the collector as a single-pass flow. A PCM module is incorporated into the collector, where paraffin wax RT and an expanded Perlite composite mixed with plaster serve as the phase change material. The PCM composite (RT / EP) is prepared using a vacuum adsorption method, with expanded Perlite acting as the adsorbent and paraffin as the phase change material. To enhance the heat transfer coefficient, aluminum powder (AL) is added, comprising 10% of the PCM composite's weight. The gypsum powder and water are mixed together, followed by the addition of the PCM composite (RT / EP / AL). The collector is installed at a 30° angle to the horizontal, oriented to the south for optimal sun exposure.

The utility model relates to the technical field of heliostats, in particular to a heliostat solar drying device which comprises a drying cylinder, a supporting plate is fixedly connected to the top of the drying cylinder, a circular track is fixedly connected to the top end of the supporting plate, a sliding ring is slidably connected to the circular track, and a plurality of heliostats are fixedly connected to the top end of the sliding ring. A converter is fixedly connected to the top end of the sliding ring, a protective cover is fixedly connected to the inner side of the sliding ring, and an energy storage device is fixedly connected to the protective cover. According to the drying device, through the arranged drying assembly, one part of hot air vertically enters the interior of the drying cylinder from the ventilation groove, the other part of hot air is turned through the surface of the air guide plate, enters the interior of the drying piece and is finally blown into the interior of the drying cylinder from the air outlet of the drying piece in the horizontal direction, and therefore materials on the containing disc are dried; and materials can be dried at all angles, the drying efficiency is improved, and single-direction hot air direct blowing is avoided.

The utility model belongs to the field of catalpa leaf feed, disclose a kind of catalpa leaf solar drying room, room body, room body is set on ground, the side of room body is provided with second window, the top surface of room body is provided with roof, the inside of room body is provided with house beam, temperature and humidity inceptor is installed on house beam, cooling structure, cooling structure is set on roof top, the top of roof is provided with when indoor temperature is too high can automatically unfold and sunshade's reel rod, the side of reel rod is provided with sponge block along with reel rod movement and wipe roof top surface, the other end of two first transmission strips is turned on and drives two second transmission strips to rotate and unfold, moving block drives the sunshade curtain that is released to stretch, sunshade curtain covers roof, ensure that when cooling, sun no longer bakes, cooling speed is faster, catalpa leaf short time will not cell wall rupture.

The utility model discloses composite equipment for white tea withering fermentation, and relates to the technical field of white tea withering, the composite equipment for white tea withering fermentation comprises a fixed base, an adjusting mechanism convenient for white tea withering is arranged on the fixed base, the adjusting mechanism comprises a C-shaped frame, an airing plate and a disc, the C-shaped frame is located at the upper end of the fixed base, the airing plate is rotationally installed on the C-shaped frame, rotating shafts are fixedly installed at the ends of the two sides of the airing plate, the discs are located at the side ends of the rotating shafts, and rotating shafts are fixedly installed at the lower end of the C-shaped frame. By arranging the airing plate capable of rotating and adjusting the angle, when white tea is withered, the angle of the airing plate can be adjusted by adjusting the rotation of the airing plate, so that the airing plate dynamically adapts to the sun airing angle, tea leaves are uniformly irradiated by sunlight, and local excessive withering or insufficient withering is avoided.

The utility model provides a kind of solar drying equipment, comprising: drying chamber, the drying chamber includes at least one first air outlet, at least one first air inlet and at least one exhaust fan, and hot air of at least one first air inlet enters the direction of at least one first air outlet by exhaust fan blowing;Parabolic collector, parabolic collector includes at least one parabolic reflector and at least one solar heat collecting tube, the first end of solar heat collecting tube is connected with at least one first air inlet, and the second end of solar heat collecting tube is connected with at least one first air outlet.Compared with the natural space (drying area) required by original drying mode, the heat energy accumulated by light at different times can be reused by air circulation heating.Compared with other drying equipment schemes, the utility model is implemented at lower cost, effectively reducing the drying cost of most agricultural practitioners.

A double-guide-rail robot airing system for providing synchronous clothes stretching, crease-resistant and non-ironing clothes is characterized by comprising at least one intelligent control module, an upper annular guide rail, a lower annular guide rail and a clothes airing mechanism, and the clothes airing mechanism is provided with a driving part, a transmission part and a steering tedding part; the intelligent control module comprises a weight detection unit, an infrared safety detection unit and a rainwater detection unit, and the movable gears are meshed when passing through the idle gears so that the movable gears can drive the clothes stretching frame to steer to achieve steering tedding. Various functions such as disinfection, drying, automatic turn-over of natural sun drying, automatic recovery in rainy days, weighing and dry judgment, and stable wind resistance are perfectly integrated and superposed; the clothes are tensioned, clamped and hung to provide a clothes tensioning frame so as to achieve crease-resistant and non-ironing; and solar photovoltaic independent power supply is adopted, so that'green, energy-saving and self-sufficiency 'self-power generation and self-use can be realized, the experience feeling of a user is greatly enhanced, and the requirements of convenience and safe clothes airing are met. Therefore, the intelligent clothes hanger is an intelligent clothes hanger product with excellent economical efficiency and technical performance.

The present application relates to sludge drying treatment technical field, and its purpose is to provide a kind of sludge solar drying system and sludge drying method.This sludge solar drying system can automatically distribute and collect material, degree of automation is high, work efficiency is high, above-mentioned sludge solar drying system includes: the mud inlet mechanism, the turning and transporting mechanism and the mud outlet mechanism in turn along sludge drying treatment direction;Mud inlet mechanism includes mud inlet end and mud laying assembly, and mud laying assembly is used to lay the wet sludge discharged by mud inlet end;Turning and transporting mechanism is arranged in the downstream of mud inlet mechanism, and turning and transporting mechanism is used to turn and transport wet sludge along sludge drying treatment direction, and after drying sludge, dry sludge is transported to mud outlet mechanism;Mud outlet mechanism is arranged in the downstream of turning and transporting mechanism, and mud outlet mechanism is used to discharge dry sludge.The present application solves the problem that sludge solar drying system in prior art needs manual distribution and collection, time-consuming and laborious, degree of automation is low, work efficiency is low.