53 results about "Solar dryer" patented technology

The invention discloses a poly-generation system using biomass and solar energy for making methyl alcohol and generating power. The poly-generation system comprises a solar energy heat collecting reaction subsystem, a biomass gasification subsystem, a methyl alcohol synthesis subsystem and a power generation subsystem. Main devices comprise a flat plate type solar energy drying device, a groove type solar thermal collector, a steam generator, a tower type solar energy reflection mirror field, a tower type high-temperature gasification reactor, a gas temperature reduction device, a gas condensation purifying device, a compressor set, a methyl alcohol synthesis tower, a heat exchanger, a gas-liquid temperature reduction device, a flash tank, a separator, a mixer, rectifying tower, a methyl alcohol, a combustion chamber, a compressor, a gas turbine, a waste heat boiler, a steam turbine, a condenser, a water feed pump and a power generator. By the utilization of the poly-generation system, solar energy is converted into chemical energy, the problems that the storage of solar energy is difficult, and stability of renewable energy source delivering is poor are solved, and meanwhile the effective utilization efficiency of the biomass is improved.

The invention relates to a low melting point alloy phase change heat storage device applied to a solar dryer, which is characterized by comprising a drying chamber box body, a drawing type material containing box, heat storage blocks and an upper and lower sliding type heat insulation door. Two to one hundred heat storage blocks are arranged in a drying space of the drying chamber box body, and the edge parts of the heat storage blocks are supported by the heat insulation blocks to be fixed with the drying chamber box body. The drawing type material containing box is located between an upper heat storage block and a lower heat storage block and is contacted with the lower heat storage bock, and drying samples are contained in the drawing type material containing box. Each heat storage block is composed of a heat storage material container, a heat storage material, a heat conducting pipe and heat conducting oil. The heat storage materials are encapsulated in the heat storage material containers, the heat conducting pipes are arranged in the heat storage material containers, the heat storage materials are encapsulated between the inner walls of the heat storage material containers and the outer walls of the heat conducting pipes, and the heat conducting oil serves as a heat conducting medium in the heat conducting pipes. The low melting point alloy phase change heat storage device applied to the solar dryer has the advantages of being convenient in feeding and discharging, reliable, safe and high in drying efficiency.

The invention discloses a solar dryer. The dryer comprises a solar collector, a medium pipeline, a ventilating pipeline and a drying cabin, wherein a heat absorber of the collector is formed by a porous heat absorbing plate with a snake bend welded on the back; the snake bend is filled with heat-conducting media with boiling points at about 30 DEG C; a heat release pipeline divided into a plurality of layers is designed on the upper layer of the drying cabin; and the heat release pipeline and the heat absorber are connected by a pipeline. The dryer has the beneficial effects that the heat-conducting media circularly flow between the heat absorbers and the heat release pipeline and transmit heat to the dried objects quickly, thus reducing the heat loss and increasing the drying speed; and the air passes through the porous heat absorbing plate, absorbs heat and becomes hot air, the hot air is sent into the drying cabin and takes away moisture, and the hot air can be recycled after being dried by the dryer.

A solar dryer system, including an upper thermal collection unit including a plurality of tiers of thermal radiation collection panels, where a vent is disposed between adjacent ones of the tiers of the thermal radiation collection panels. The solar dryer system can include a chamber disposed between the upper thermal collection unit and a base, where the chamber is configured to receive an object for a drying process using the dryer system. The solar dryer system can also include at least one fan disposed within the chamber and coupled to the base to provide circulation for the drying process.

The invention relates to the technical field of dryers, in particular to a novel efficient solar dryer. The novel efficient solar dryer comprises a mounting plate, wherein a photovoltaic panel is fixedly mounted on one side of the front face of the mounting plate, an inverter and an air blower are fixedly connected to the back face of the mounting plate, a hole groove is formed in one side of themounting plate, a trough type heat collector is fixedly mounted in the hole groove, and a drying box is fixedly mounted on the front face of the mounting plate. The novel efficient solar dryer has theadvantages that by arranging the photovoltaic panel, the trough type heat collector and the drying box on the mounting plate, heat collection and power generation are conducted at the same time, thedrying efficiency is improved, and a low cost is guaranteed; as the angle of the mounting plate can be adjusted at multiple angles, the solar energy utilization rate is increased; by arranging partition plates in a heat collection pipe, the heat absorption effect is enhanced; by arranging a heat conduction plate, materials can be uniformly heated; by arranging small boxes on a storage rack, the problem of material accumulation is avoided; by arranging supporting plates, the materials can be conveniently taken or placed; and a heat conduction plate fixing structure is simple, effective and convenient to manufacture.

The invention discloses an innocent treatment method for kitchen waste. The method comprises the steps of sorting and screening coarse solids and gravels from collected kitchen waste, carrying out sedimentation by a first primary sedimentation tank, aeration by an aeration tank and sedimentation by a second primary sedimentation tank so as to obtain waste activated sludge and primary sewage sludge, subjecting the waste activated sludge to centrifugation, then, carrying out hydrothermal carbonization, carrying out centrifugation so as to obtain wet state hydrothermal charcoal and hydrothermal carbonized liquid, transferring the hydrothermal carbonized liquid and the primary sewage sludge into a leachate bed reactor for an anaerobic digestion reaction so as to obtain biogas capable of serving as new energy, and drying the wet state hydrothermal charcoal by a solar dryer, so as to obtain a high-energy environment-friendly biofuel energy. According to the method provided by the invention,the hydrothermal charcoal with higher phosphorus content and yield is obtained, the digestibility of an anaerobic digestion process is improved, and thus, the residual amount of digested sediment is reduced; and after innocent treatment, the hydrothermal charcoal and the biogas as biofuel energy sources can be obtained, and thus, the recycling of energy is achieved.

The invention discloses a combined type solar dryer which comprises at least one dryer unit. According to the combined type solar dryer, a vacuum tube solar heat collector is utilized to absorb solar energy and heat a heat accumulation medium, and then the heat accumulation medium heats air in a drying chamber so as to achieve the purpose of drying materials in the drying chamber. The combined type solar dryer is flexible in usage mode, applicable to both low-temperature ranges and high-temperature ranges, and usable on powered or powerless occasions; and meanwhile, the combined type solar dryer can be used alone in the form of one single drying unit or can be used in a large-scale mode by combining and connecting a plurality of the drying units to form a large system, and conveyor belts can be used in upper and lower drying layers of the combined long drying system so as to facilitate circular operations of drying a large quantity of materials.

The invention discloses an auxiliary heating flat plate integral type solar drier, which comprises a flat plate solar air heat collector, a heating furnace, a blower, a pipeline and a drying chamber. Heat collection plates of the heat collector are multi-hole heat collection plates, a perforated sieve of the drying chamber is placed at an inclination angle of 20 degrees, and the heating furnace uses crop straws as fuel. The entire system constitutes a compact whole, and the air heat collector and the drying chamber enclose to form a drying space. The drying temperature of the system is around 50 DEG C, so that the quality of dried products is ensured. Also, the system is compact in designed structure and high in heat efficiency, and is suitable for crop drying quantity demanded by a single rural family.

The invention discloses a coil integrated solar dryer with auxiliary heating, which comprises a coil type solar air heat collector, a heating furnace, a fan, pipelines and a drying bin. A heat collecting plate of the heat collector is a metal plate with the sunward side plated with selective absorbing coating, a coil is welded on the back of the heat collecting plate of the heat collector, a porous sieve of the drying bin is inclined by about 20 degrees, and the heating furnace utilizes crop straws as fuel. The whole solar dryer is closely integrated, and a drying space is enclosed by the air heat collector and the drying bin together. The drying temperature of the solar dryer is about 50 DEG C, so that the quality of dried products is guaranteed. The solar dryer is compact in structural design, high in heat efficiency and applicable to crop drying amount of single rural families.

The invention discloses an internal absorption type solar drier. The internal absorption type solar drier comprises a solar heat collecting device, a drying box and a control system, wherein phase change energy storage drawers, material drying drawers, a cross flow waste heat recovery exchanger and adsorption dehumidification drawers are sequentially arranged inside the drying box from top to bottom; a partition is arranged between the phase change energy storage drawers, the material drying drawers, the cross flow waste heat recovery exchanger and the adsorption dehumidification drawers and the back inner wall of the drying box; the partition and the back inner wall of the drying box define a preheated air flow channel; a circulating fan is arranged at the bottom of the drying box; the bottoms of the drawers are screen-shaped; a phase change energy storage material is placed in the phase change energy storage drawers; a to-be-dried material is placed in the material drying drawers; an adsorption dehumidification material is placed in the adsorption dehumidification drawers; the cross flow waste heat recovery exchanger is provided with an air inlet and an exhaust hole; heat superconducting finned tubes in the solar heat collecting device are positioned inside vacuum heat collecting pipes; the vacuum heat collecting pipes are obliquely arranged; the bottom ends of the vacuum heat collecting pipes are connected with pipe holders and are supported by a bracket; the top ends of the vacuum heat collecting pipes are hermetically connected with the upper part of the drying box; and the heat superconducting finned tubes stretch into the preheated air flow channel inside the drying box.

A double-working-media natural circulating bin type solar dryer can realize high-efficient heating and dewatering of things to be dried by controllable indirect heating and convection drying manner on the premise of no consumption of auxiliary energy and no power drive during dewatering, drying and long-term safety storage. Further, by temperature regulating and dehumidifying, the inside environment of a storage device can be kept dry by natural ventilation, and damage caused by insects, birds and rats and dust pollution are prevented; energy saving, emission reduction and low-carbon effect are achieved, production management cost is reduced, and safety, sanitation and long-term storage of storage things are guaranteed. The double-working-media natural circulating bin type solar dryer is widely applicable to rural households and massive production and application in the fields of the industry and the agriculture.

The invention discloses a coil pipe integral type solar drier, which comprises a solar heat collector, a blower, a ventilating pipeline and a drying chamber. Heat collection plates of the heat collector are metal plates, the sunny sides of the metal plates are coated with selective absorption coatings, and snake bends are welded on the back sides of the metal plates, and a perforated sieve of the drying chamber is placed at an inclination angle of 20 degrees. The drying temperature of the system is around 30-50 DEG C, so that the quality of dried products is ensured. In addition, the air heat collector and the drying chamber constitute a whole with a compact structure, and the coil pipe integral type solar drier reduces heat loss and is suitable for crop drying quantity demanded by a single rural family.