153 results about "Wind circulation" patented technology

The invention discloses a rotating wheel dehumidification system operation control method and system. The dehumidification system comprises a dehumidification rotating wheel, a treatment air circulation unit arranged on the treatment side of the dehumidification rotating wheel and a regeneration air circulation unit arranged on the regeneration side of the dehumidification rotating wheel. The regenerated air circulating unit comprises an air heat exchanger, an electric heater and a heat pump heater; the heat pump heater comprises an evaporator, a condenser and a compressor; the control method comprises the steps that the temperature of regeneration air entering the dehumidification rotating wheel is detected to obtain the regeneration temperature; according to the regeneration temperature and a preset regeneration temperature threshold value, the heating power of the electric heater is dynamically adjusted, and the heating power is larger than or equal to zero and smaller than or equal to rated power. According to the scheme, regeneration exhaust heat can be recycled to the maximum extent, the energy efficiency ratio of the system is remarkably increased, dependence on a high-energy-consumption electric heater is reduced, the operation cost is saved, the regeneration temperature is dynamically controlled, and stable operation under different working conditions is ensured.

The invention discloses an aluminum alloy piston heat treatment device, and relates to the technical field of piston heat treatment, the aluminum alloy piston heat treatment device comprises a circulation assembly, the circulation assembly comprises an air outlet formed in the top of a furnace body and air inlets formed in the two sides of the furnace body, the air outlet and the air inlets are each provided with a temperature sensor, and the temperature sensors are used for monitoring the temperature change of the area where the temperature sensors are located in real time; the circulating assembly realizes uniform distribution of temperature in the furnace body through wind power circulation; the temperature control assemblies are arranged on the two sides of the interior of the furnace body and transmit heat into the furnace body through the circulation assembly. Through mutual cooperation of the temperature sensor, the weighing assembly and other devices, the weight of each batch of aluminum alloy pistons entering the furnace body and the amount of gas in the furnace are calculated, and the temperature change trend is calculated according to the temperature change in the furnace; therefore, accurate regulation and control of the temperature in the furnace are realized, and the problem that the aging treatment is influenced by non-uniform heat distribution in the aging furnace due to the fact that gas in the furnace expands along with temperature rise to influence heat energy circulation is effectively avoided.

The invention discloses an additive manufacturing powder bed preheating system and method based on hot air-partition radiation synergy. The additive manufacturing powder bed preheating system comprises a preheating outer box, a powder bed, a hot air circulating system, a partition radiation heating system and a layering synergy controller. The method has the beneficial effects that an upper-layer steady-state optimization and lower-layer dynamic compensation framework is adopted, wherein the upper layer aims at energy efficiency and temperature uniformity, and the temperature and the air speed of a hot air inlet are optimized; and the lower layer is based on real-time temperature feedback, the partition radiation power is adjusted through a feedback + feedforward decoupling algorithm, local temperature disturbance is compensated, hot air rapidity and partition radiation accuracy are fused, the problems of response lag, space coupling and laser preheating cooperation deficiency are solved, rapid, uniform and dynamic regulation and control of the temperature field of the powder bed are achieved, the additive manufacturing quality is improved, and the production efficiency is improved. The method is suitable for high-precision manufacturing of various high polymer materials.

The invention provides a kiln head waste heat utilization method and relates to the technical field of cement production, a kiln head waste heat utilization system is used, the kiln head waste heat utilization system comprises a coal mill circulating air unit and a waste heat power generation air circulating unit, and the coal mill circulating air unit is connected between a coal mill system and a grate cooler air collecting box. The waste heat power generation wind circulation unit at least comprises a first waste heat power generation wind sub-circulation unit, and the kiln head waste heat utilization system cancels a coal mill waste gas discharge coal mill chimney; the kiln head waste heat utilization method comprises the following steps that smoke entering a coal mill system passes through a coal mill circulating air unit and then enters a grate cooler air collecting box to be recycled through the coal mill circulating air unit; a part of smoke entering the waste heat boiler enters an air collecting box of the grate cooler for recycling through the first waste heat power generation air sub-circulation unit by means of the first waste heat power generation air sub-circulation unit. The problems of reducing air consumption, reducing waste gas emission and recovering waste heat of waste gas are solved.

The invention discloses a thermal power plant boiler fly ash fluidized bed heat storage and release system and a heat storage and release method, and relates to the technical field of electric heat storage. The system comprises a heating fluidized bed, a fly ash heat storage tank and a fluidization heat release tank, the bottom and the top of the fly ash heat storage tank are connected with the bottoms and the tops of the heating fluidized bed and the fluidization heat release tank through hot air circulating pipes respectively, and circulating fans are arranged on the hot air circulating pipes; fluidized bed partition plates are arranged in the heating fluidized bed, the fly ash heat storage tank and the fluidization heat release tank; a water-cooled wall tube is arranged in the fluidization heat release tank, the lower end of the water-cooled wall tube is connected with a water supply and steam pocket downcomer, and the upper end of the water-cooled wall tube is connected with a steam pocket. The coal ash of the thermal power plant is directly used as a heat storage medium to construct a closed-loop heat storage and release process, the coal ash disposal problem is solved, the material cost of the system is reduced, meanwhile, the peak regulation requirement of the power grid is met, resource utilization of the coal ash of the thermal power plant is achieved, the material cost of the heat storage system is reduced, and an efficient heat storage solution is provided for peak regulation of the power grid.

The utility model belongs to hot -blast circulating device technical field discloses hot -blast circulating device. This hot -blast circulating device includes heater, circulating fan, first air pipe, second air pipe, cylinder, third air pipe, cyclone dust collector and fourth air pipe, and the air outlet of heater is communicated with the first end of first air pipe, and can output heating air, the second end of first air pipe is communicated with the air inlet of circulating fan, the first end of second air pipe is communicated with the air outlet of circulating fan, the material of waiting for heating can be placed in the cylinder, the air inlet of cylinder is communicated with the second end of second air pipe, the air outlet of cylinder is communicated with the first end of third air pipe, the second end of third air pipe is communicated with the air inlet of cyclone dust collector, and cyclone dust collector is configured as removing the sundries in the third air pipe, and the both ends of fourth air pipe are communicated with the air outlet of cyclone dust collector and the air inlet of circulating fan, this hot -blast circulating device avoids sundries to adhere to heater, and heating air circulation is unobstructed, reduces cleaning workload.

The application relates to the technical field of atmospheric turbulence simulation, and discloses a layered atmospheric turbulence simulation device, which comprises a box body, multiple detection windows are oppositely arranged on the top and the bottom of the box body, multiple transparent partitions are horizontally arranged in the box body, the multiple transparent partitions are used for dividing the box body into multiple chambers, multiple groups of rectifying baffles are obliquely arranged in the multiple chambers, the multiple detection windows are located between two adjacent rectifying baffles, a wind circulation assembly comprises a fan and a circulation pipe, the fan is arranged on the outer side wall of the chamber, an air outlet of the fan is connected with the chamber, one end of the circulation pipe is connected with an air inlet of the fan, and the other end of the circulation pipe is connected with one side of the chamber far away from the air inlet of the fan, multiple temperature adjusting assemblies are arranged in the multiple chambers respectively, a humidity adjusting assembly is connected with the multiple chambers, and the layered atmospheric turbulence simulation device can simulate different intensity turbulence fields, can realize the control and superposition of multiple different turbulence fields, and can more truly simulate atmospheric turbulence.

1. The name of the design product: fireplace fan (30). 2. The use of the design product: for heat dissipation of fireplace, for blowing circulating air flow. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The present invention discloses a powdered food conveying device, which relates to the field of food processing technology and includes a conveying cylinder assembly, a feeding assembly being provided on one side of the conveying cylinder assembly, a wind circulation mechanism being provided on one side of the feeding assembly, and a feeding mechanism being provided on the other side of the feeding assembly; the powdered food conveying device is provided with components such as a wind circulation mechanism and a feeding mechanism, and the wind circulation mechanism is able to blow gas to the outer shell of the transfer chamber through the air outlet pipe and to extract the air inside the conveying cylinder body through the return pipe through the mutual cooperation relationship between the air outlet pipe and the return pipe, thereby forming an internal air circulation. At the same time, the gear transmission assembly of the feeding mechanism drives the feeding cylinder to rotate clockwise and the second scraper to rotate counterclockwise, and the two rotate in opposite directions and cooperate with each other. Thus, the device can efficiently convey powdered food by combining wind power and mechanical transmission, and the second scraper can scrape off powder on the inner wall of the feeding cylinder to reduce material residue.

This invention discloses an intelligent collaborative control system and method for preventing blockage and corrosion at the cold end of an air preheater. The system includes a hot air circulation module, a gradient temperature control layer, a swirl purging device, and an intelligent control system. The hot air circulation module forms an adjustable heat source by mixing airflows of different temperatures. The gradient temperature control layer is used to create a bottom-up temperature gradient at the cold end. The swirl purging device is used for efficient dry cleaning of ash accumulation on the heat exchange elements. The intelligent control system coordinates temperature regulation and the purging process based on operating parameters. This invention introduces a predictive model to anticipate pressure difference trends and combines it with an acid dew point temperature control strategy to achieve linked control of mixed hot air temperature regulation and preventative purging, thereby maintaining the cold end temperature stably within a safe range and promptly suppressing ash accumulation.

This invention discloses a zero-emission synergistic waste heat utilization system and method for sintering ring cooler exhaust gas. The exhaust gas outlets of sections I and II of the ring cooler are connected to the exhaust gas inlet of a waste heat boiler; the exhaust gas outlet of the waste heat boiler is connected to the air inlet of a first circulating fan, and the air outlet of the first circulating fan is divided into two paths, respectively connected to the section I and section II air boxes of the ring cooler, forming a flue gas circulation between sections I and II of the ring cooler; the air inlet of the first cooling fan is connected to the outdoor environment; the air outlet of the first cooling fan is connected to the section V air box of the ring cooler; the exhaust gas outlet of section V of the ring cooler is sequentially connected to the second circulating fan and the section IV air box of the ring cooler; the exhaust gas outlet of section IV of the ring cooler is sequentially connected to the third circulating fan and the section III air box of the ring cooler; the exhaust gas outlet of section III of the ring cooler is connected to the hot air hood of the sintering machine. This invention achieves efficient utilization of high-grade thermal energy.

The utility model discloses metal zipper manufacturing equipment with an excessive drying prevention function, which comprises a rack, the top of the rack is fixedly connected with a supporting frame, the outer wall of the supporting frame is provided with a conveying assembly, one side of the supporting frame is provided with a spraying machine, one side of the rack is provided with a conveying belt, and the conveying belt is provided with a conveying belt. A machine shell is installed outside the conveying belt, an air cylinder is installed at the top of the machine shell, the output end of the air cylinder is fixedly connected with a smoothing scraping plate, a drying assembly is installed on one side of the machine shell, and a discharging hopper is fixedly installed on one side of the drying assembly. According to the metal zipper manufacturing equipment with the excessive drying prevention function, the drying equipment with the precise temperature and air speed control function is selected, the hot air circulation drying assembly is utilized, the temperature in the drying oven is uniform, heat dissipation holes are additionally formed under the condition that the internal temperature is high, and therefore the temperature of internal circulation air is reduced, and the service life of the metal zipper is prolonged. And the condition that the coating is excessively dried due to local overheating is reduced.

The utility model discloses an air fryer with a side blowing circulation structure, which comprises a fryer body, the fryer body comprises an inner container, a reflecting cover, a hot air assembly, a frying barrel inserted into the inner container from an opening in the right side of the inner container and an air guide piece, and the left side of the inner container is provided with a first air inlet hole for communicating the interior of the reflecting cover with the interior of the inner container; a second air inlet hole is formed in the left side of the frying barrel, a first air opening is formed in the upper portion of the inner container, a second air opening is formed in the upper portion of the reflecting cover, the left end of the air guiding piece is connected with the reflecting cover, and the right end of the air guiding piece is connected with the inner container; when a first wind wheel on the hot air assembly rotates, air in the reflecting cover can be driven to penetrate through an electric heating pipe at the right end of the reflecting cover, a first air inlet hole and a second air inlet hole to enter the frying barrel and return to the reflecting cover through a first air duct. By the adoption of the technical scheme, it can be guaranteed that hot air in the frying barrel flows smoothly and circularly, food materials are evenly heated, and the cooking effect of the food materials is improved.

The invention relates to the technical field of kitchen equipment, in particular to visual cooking equipment which comprises a machine body, a machine head covering the machine body and a cooking container located in the machine body, an air circulation assembly is arranged in the machine head, at least the upper portion of the cooking container is made of a high-temperature-resistant transparent material, and an air guide hole is formed in the lower portion of the cooking container. The machine body comprises a base with an upward opening and a high-temperature-resistant transparent shell located above the base, the transparent shell is connected with the base in a sealed mode, an interlayer cavity is formed by the transparent shell and the cooking container, and a first heating piece is arranged in the interlayer cavity. At least the upper portion of the cooking container is transparent, the cooking container is matched with the transparent shell to form a double-layer transparent structure, the omnibearing visual effect can be achieved, a user can observe the coloring condition and the cooking progress of food from the side face without dead angles, the problem that heat is instantly lost due to the fact that a machine head is frequently opened is fundamentally solved, cooking efficiency is guaranteed, and energy is saved.

The invention discloses a lighting device with a mosquito and fly repelling function, and belongs to the technical field of mosquito and fly repelling. A lighting device with a mosquito and fly repelling function comprises a mosquito repelling assembly, a mosquito killing assembly and a lighting assembly, the mosquito repelling assembly comprises an air circulation system, the air circulation system comprises an air inlet duct, an air outlet duct and a driving part, the mosquito killing assembly is arranged in the air inlet duct, the driving part sucks mosquitoes and flies into the mosquito killing assembly, and the lighting assembly is arranged on the mosquito killing assembly. The mosquito killing assembly kills mosquitoes and flies through electric shock, the air outlet channel comprises an air outlet, air blown by the air outlet is upwards blown to the outer surface of the lighting assembly, the lighting assembly comprises a lamp holder and a lamp source, and the lamp source is arranged in the lamp holder. According to the invention, through the arrangement of the air circulation system, air can be blown to the outer surface of the lighting assembly, mosquitoes and flies are repelled by utilizing wind power, and the mosquitoes and flies are prevented from lying on the outer surface of the lighting assembly, so that the problem that a common lighting lamp in the prior art easily attracts the mosquitoes and flies to cause pollution to a lampshade is solved.

The utility model belongs to the technical field of asphalt mixture stirring equipment, and relates to a counter-flow asphalt reclaimed material heating hot air circulating system which comprises a hot blast stove, a burner is connected to the outer end of the hot blast stove, a discharging box is connected to the front end of the hot blast stove, a drying heating roller is connected to the front end of the discharging box, and the drying heating roller is connected to one side of the bottom of a feeding smoke box. A tail gas air pipe is arranged at the top of the feeding smoke box and connected to a dust remover, and a pure air pipe is arranged on one section of the dust remover and connected to the bottom of the hot blast stove through a circulating fan. According to the utility model, flame is prevented from being in direct contact with the reworked material, asphalt aging is avoided, hot air and material flow are prevented from flowing reversely, the reworked material is flexibly heated, the heat exchange efficiency is high, hot air is recycled, the waste of energy is reduced, and the production cost is saved.

The invention discloses an instant cubilose preparation device and method based on low-temperature baking. The equipment comprises a soaking assembly, an electric heating rod, baking assemblies, a sucking pump and a dryer, the soaking assembly is provided with a rectangular groove, a steamer tray, a cover, a water inlet pipe and a water outlet pipe, multiple layers of baking assemblies are arranged in the rectangular groove, the sucking pump and the dryer are arranged on the cover, the dryer is connected with a main air inlet pipe of the baking assemblies, and the rectangular groove is provided with a liquid level sensor, a temperature sensor and a water pump. And ribs are arranged on the inner walls of the rectangular grooves. The preparation method comprises the following steps: soaking the raw cubilose in a steaming tray for 6 hours, draining water, injecting water, heating to generate steam, curing for 20 minutes, inputting 75 DEG C constant-temperature hot air through a dryer, forming a 0.2-0.5 m / s wind circulation environment through a baking assembly, and baking at low temperature for 36 hours. The method realizes process integration, accurate and controllable parameters, uniform cubilose dehydration, good nutrition retention, high quality and easy carrying, hot water can be directly brewed for eating, the equipment is easy to operate and clean, and the method is suitable for batch production.

The invention discloses double-rotating-wheel type air dehumidification equipment and technology for partial regeneration air circulation. The equipment is structurally characterized in that the upstream of an air inlet duct is used for fresh air to enter, and the downstream of the air inlet duct is sequentially connected with an adsorption area of a front-stage dehumidification rotating wheel, a processing fan and an adsorption area of a rear-stage dehumidification rotating wheel; an adsorption area outlet of the rear-stage dehumidification rotating wheel, a drying space of the production workshop and an inlet of the processing fan are connected through pipelines; the upstream of the regeneration air duct is connected with an outlet of the processing fan, the downstream of the regeneration air duct is sequentially connected with a cold blowing area of the rear-stage dehumidification rotating wheel, the first-stage heater and a regeneration area of the rear-stage dehumidification rotating wheel, an outlet of the regeneration area of the rear-stage dehumidification rotating wheel is divided into two paths, one path is sequentially connected with the second-stage heater, a regeneration area of the front-stage dehumidification rotating wheel and the regeneration fan through pipelines, and the other path is connected with the second-stage heater. And the other path is sequentially connected with the circulating fan and the inlet of the primary heater through pipelines. By means of the mode that part of regeneration air of the rear-stage dehumidification rotating wheel is circularly heated and regenerated, the newly-added fresh air amount needed by regeneration is greatly reduced, and energy consumption is greatly reduced.

The invention relates to the technical field of drying, and provides wire rod drying equipment which comprises a frame body. A plurality of independent drying channels; a wind power circulation driving device; the wind power circulation driving device comprises a suction opening and an air outlet, and the suction opening communicates with the area sections, close to the wire inlet, of the multiple drying channels. The heating device comprises a plurality of heating channels which are independently arranged and communicate with the air outlet, and a plurality of groups of heating assemblies which are used for independently heating air flow in the heating channels; and the other ends of the plurality of heating channels are respectively communicated with the area sections, close to the wire outlet, of the plurality of drying channels. The independently-arranged heating channels are matched with the independent heating assemblies, air flow in the heating channels can be independently heated, the air flow in the heating channels is correspondingly led into the drying channels, and therefore wires with different wire diameters can penetrate into the drying channels to meet the requirement for different drying temperatures of the wires with different wire diameters.

The utility model discloses a double-circulation air duct temperature and humidity uniformity tea cabinet which comprises a cabinet body, an inner container, a first air duct, a left closed air duct and a right closed air duct. The first air channel is located on the rear portion of the inner container, an air inlet hole of the first air channel is communicated with the lower portion of the inner container, an air outlet hole of the first air channel is communicated with the upper portion of the inner container, and a circulating fan is installed in the first air channel. The left closed air duct and the right closed air duct are located in the first air duct, the left closed air duct is located on the left half portion of the cabinet body, and the right closed air duct is located on the right half portion of the cabinet body. The left closed air duct is provided with a left air blower enabling air to circulate, and the right closed air duct is provided with a right air blower enabling air to circulate. Air circulation is carried out through three main independent airflow channels, namely the first air channel, the left closed air channel and the right closed air channel, so that the problem that various temperatures and humidity in the inner container of the high and wide cabinet body are not uniform and stable is solved. The structure is compact, and the space in the cabinet is saved. And manufacturing, assembling, disassembling, assembling and maintaining are convenient.

The invention relates to the technical field of kitchen equipment, in particular to uniform-heating cooking equipment which comprises an upper shell, a lower shell and an air circulation assembly arranged in the upper shell, and the air circulation assembly comprises a driving motor and a cross-flow fan connected with the driving motor. A cooking utensil and a heating assembly located below the cooking utensil are arranged in the lower shell. The upper shell comprises an inner cover and an outer cover, the inner cover is matched with the cooking utensil to form a cooking space, a plurality of air guide strips are arranged between the inner cover and the outer cover, and an air guide channel is formed between every two adjacent air guide strips; the fan is located between the inner cover and the outer cover, the inner cover is provided with an air inlet corresponding to the cross-flow fan, and the side wall of the inner cover is provided with a plurality of air guide openings communicating the air guide channel with the cooking space, so that part of heat generated by the heating assembly circulates in the cooking space under the action of the cross-flow fan; and uniform distribution of heat in the cooking space is guaranteed, and the situation that the middle temperature is high and the periphery temperature is low in the cooking space is avoided.

The present invention relates to an elevator cooling system of a lateral airflow circulation structure, which measures acceleration of a moving body, forms an intake lateral airflow which is an airflow of a path through which internal air inside a car flows into a first side wall duct in a direction toward a side wall portion of the car covered by the first side wall duct and then is suctioned into an air conditioning module through the first side wall duct, and forms a discharge lateral airflow which is an airflow of a path through which discharged air of the air conditioning module flows into a second side wall duct and then is discharged from a side wall portion of the car covered by the second side wall duct through the second side wall duct, whereby inconvenience of passengers due to cold wind is minimized while the entire interior of the elevator car can be quickly cooled.

1. The name of the design product: fireplace fan (29-31-32). 2. The use of the design product: for heat dissipation of fireplace, for blowing circulating air flow. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 2 perspective view. 5. Design 2 is designated as the basic design.

The utility model relates to the technical field of draught fans, and provides a volute draught fan and refrigeration equipment, the volute draught fan comprises a shell and a wind wheel, the shell comprises a volute body and a lengthening section, the volute body is provided with a wind cavity and an air inlet communicated with the wind cavity, the lengthening section is connected to the volute body, an air outlet channel is formed in the lengthening section, one end of the air outlet channel is communicated with the wind cavity, and the other end of the air outlet channel is communicated with the wind wheel. An air outlet is formed in the other end of the air outlet duct; the wind wheel is arranged in the wind cavity. The air cavity is formed in the volute body, the air wheel is arranged in the air cavity, and the air wheel rotates to achieve fresh air circulation through the air inlet and the air outlet. Meanwhile, the volute body is connected with a lengthened section in the air outlet direction, an air outlet channel communicated with the air cavity is formed in the lengthened section, and air in the air cavity can be guided out through the air outlet channel. Moreover, through the lengthened air outlet channel, one or more functional modules can be installed, the fan functional modules can be freely combined, installation is convenient and fast, and rotation of the wind wheel cannot be affected.

The invention relates to the technical field of kitchen equipment, in particular to cooking equipment with an air guide structure, which comprises an upper shell, a lower shell and an air circulation assembly arranged in the upper shell, and the air circulation assembly comprises a driving motor and a cross-flow fan which is connected with the driving motor and is formed by a plurality of blades in a surrounding manner; a gap between every two adjacent blades forms an air outlet, and a cooking utensil and a heating assembly located below the cooking utensil are arranged in the lower shell; the upper shell comprises an inner cover and an outer cover, the inner cover is matched with the cooking utensil to form a cooking space, the cross-flow fan is located in a central area between the inner cover and the outer cover, at least one corner between the inner cover and the outer cover is provided with an air guide channel, the air guide channel is communicated with the cooking space, and each air guide channel is communicated with at least three air outlets; and uniform distribution of heat in the cooking space is guaranteed, the situation that the middle temperature is high and the periphery temperature is low in the cooking space is avoided, and the hot air circulation efficiency is improved.

The invention provides a kiln head waste heat utilization system, and relates to the technical field of cement production, the kiln head waste heat utilization system comprises a rotary kiln, a grate cooler, a coal milling system and a waste heat boiler, the rotary kiln comprises a barrel, a kiln head combustor and a decomposing furnace, and the interior of the grate cooler is divided into a high-temperature section, a medium-temperature section and a low-temperature section; the kiln head waste heat utilization system further comprises a grate cooler air collecting box, a coal mill circulating air unit and a waste heat power generation air circulating unit; the kiln head waste heat utilization system cancels a coal mill waste gas discharge coal mill chimney; an outlet of the grate cooler air collecting box is connected with an inlet of a medium-temperature section of the grate cooler; the gas entering the coal mill system passes through the coal mill circulating air consumption unit and then enters the grate cooler air collecting box for recycling; the waste heat power generation air circulation unit at least comprises a first waste heat power generation air sub-circulation unit, and part of gas entering the waste heat boiler enters the grate cooler air collecting box through the first waste heat power generation air sub-circulation unit to be recycled. The effects of reducing air consumption, reducing waste gas emission and recovering waste heat of waste gas are achieved.

The invention discloses a hot air circulation molten plastic recycling granulator and a method thereof, and belongs to the technical field of granulators, the hot air circulation molten plastic recycling granulator comprises a steel belt conveying assembly, the steel belt conveying assembly comprises an adjustable driving assembly and a cooling assembly, and the adjustable driving assembly is connected with the cooling assembly; the driving end of the adjustable driving assembly is connected with a dripping assembly used for evenly discharging granules, and the discharging end of the dripping assembly is located above the input end of the adjustable driving assembly. The dripping assembly comprises a heat preservation assembly, a feeding assembly and a rotary discharging assembly. The feeding end of the feeding assembly is connected with a hot air circulation melting assembly. The hot air circulation melting assembly comprises a pressurizing assembly, a stirring assembly and a hot air circulation assembly. The top of the stirring assembly is connected with a sealed feeding assembly used for sealed feeding. In this way, after waste plastic enters the inner cylinder through the sealed feeding assembly, the sealed feeding assembly is used for blocking, hot air in the tank body is prevented from being discharged, heat loss is avoided, and energy conservation and consumption reduction are achieved.

The invention relates to an air conditioner fresh air system with switchable heating and refrigerating double-loop modes, an air circulation system and a cold circulation system, the air circulation system comprises a fresh air system and an exhaust system, and a lower air pipeline, an air circulation four-way valve, an air return pipeline and an exhaust pipeline communicate in sequence; a fresh air inlet pipeline, a fresh air supply pipeline, an air circulation four-way valve and an upper air pipeline are sequentially communicated, and a refrigerating mode of lower suction and upper blowing is started; an upper air pipeline, an air circulation four-way valve, an air return pipeline and an exhaust pipeline are sequentially communicated, a fresh air inlet pipeline, a fresh air supply pipeline, the air circulation four-way valve and a lower air pipeline are sequentially communicated, an upper-suction and lower-blowing heating mode is started, and the phenomenon of vertical temperature stratification caused by direct sinking of cold air during traditional refrigeration is effectively broken through convection; cold air is prevented from being excessively gathered at the head of the human body, the temperature difference between the head and the foot area is remarkably reduced, meanwhile, through circulation treatment of air sucked from the bottom, cold waste is further reduced, and the refrigeration efficiency is improved.

This invention relates to the field of fluidized bed burner technology and discloses a biomass fuel energy-saving burner based on fluidized bed technology, including a wind circulation assembly. The wind circulation assembly includes a sealed outer shell, an air supply assembly fixedly connected to the inner side of the bottom of the sealed outer shell, a fuel tank fixedly sleeved on the inner side of one end of the sealed outer shell, a guide plate fixedly connected to the top of the front of the fuel tank, a fluidization assembly fixedly installed on the inner side of the bottom of the fuel tank, a combustion chamber assembly fixedly sleeved on one end of the sealed outer shell, and an ash removal assembly fixedly connected to one side of the combustion chamber assembly. The fluidization assembly fluidizes the fuel in the fuel tank, and the air supply assembly, under the action of the sealed outer shell and the guide plate, forms a wind circulation to discharge coke and promote combustion. This solves the problem that the coke produced by fuel combustion is often mixed with the fuel itself, resulting in incomplete combustion and low combustion efficiency.

The utility model relates to a loosening and moisture regaining device. The loosening and moisture regaining device comprises a barrel, a hot air circulation mechanism and a moisture removing mechanism, the barrel is provided with a containing cavity, the feeding end of the barrel is provided with a first input port and a feeding port, and the discharging end of the barrel is provided with a first output port and a discharging port. The hot air circulation mechanism comprises a heating and humidifying assembly, a hot air circulation pipeline and a first air supply assembly, one end of the hot air circulation pipeline is connected with the first input port through the heating and humidifying assembly, the other end of the hot air circulation pipeline is connected with the first output port, and the first air supply assembly is installed on the hot air circulation pipeline. The moisture removal mechanism comprises a first moisture removal pipe, a second moisture removal pipe, a second air supply assembly and an exhaust pipe. The second air supply assembly conducts moisture removal and dust removal on the feeding port and the discharging port through the first moisture removal pipe and the second moisture removal pipe. The loosening and moisture regaining device has the advantages of being good in production quality and high in efficiency.