96results about How to "Realize the effect of energy saving and environmental protection" patented technology

The invention relates to papermaking method and device, in particular relates to waste paper regeneration environmental protection device and method. The waste paper regeneration device is provided with a hydraulic pulper, a first stock tank, a first desander, an inclined sieve, a second stock tank, a pulping machine, a third stock tank, a header box, a fourth stock tank, a second desander, a pressure sieve, a paper machine, a boiler, a reaction tank and a wastewater filter tank. By adopting the waste paper regeneration method and device, a closed production and water circulation mode is formed. Compared with the prior art, the invention has reasonably configured device system composition, higher degree of automation, convenient operation and higher pulping efficiency, can recycle afterheat and wastewater after being processed into purified water, realizes the energy-saving and environmental-protection effect, obviously improves the product quality through detection and can regularly clean sludge and coal ash in the wastewater filter tank to be used as field fertilizers, thereby changing waste into valuable without pollutant emission.

Disclosed is a multifunctional solar air conditioning system. A solar photovoltaic battery or a wind driven generator provides a direct-current power source for the system, electricity is transmitted to an electric heater or a semiconductor refrigeration component and circulating water pumps at a hot end and a cold end by an integrated control device according to service requirements of different seasons, so that the temperature of water in an ice-water energy storage tank is reduced while the temperature of water in a hot-water energy storage tank is increased for standby application, and then requirements of users are met by terminal equipment such as a water boiler, a hot water faucet, a fan coil and a cold water faucet at any time. The shortcomings of difficulty in network connection, short service life of a storage battery, complexity of a system, high manufacturing and maintenance costs and the like due to the fact that output is unstable after a small or medium photovoltaic plant generates power in the prior art are overcome, a troublesome process in which energy is stored by the storage battery at first and then is converted into alternating current to be supplied for a load is omitted, energy storage capacity is huge, and clean energy such as solar energy and wind energy can be quickly popularized.

The invention relates to a paperboard laminating aluminum foil compounding process and a compounding machine thereof. The compounding machine comprises a base, wherein an unwinding part, a laminatingpart, a cooling part and a winding part are sequentially arranged on the base. An aluminum foil unwinding roller, a gluing device and a hot pressing roller are arranged on a machine shell. The upper end of the machine shell is rotationally connected with two supporting rollers. The laminated paperboard cooled by a cooling roller keeps a certain heat degree and is lapped above the two supporting rollers. The gluing device is located above the position between the two supporting rollers. The hot pressing roller is located over the supporting roller away from the unwinding part. An adjusting device used for adjusting the abutting degree of the hot pressing roller and the supporting rollers is arranged on the machine shell. A drying device is arranged on the side, away from the unwinding part,of the machine shell, and the cooling part is arranged between the drying device and the winding device. According to the invention, the laminated paperboard with certain heat and the aluminum foil penetrate through the space between the hot-pressing roller and the supporting rollers together to be subjected to hot-pressing compounding, the firmness and stability of the laminated aluminum foil composite paperboard can be improved, heat energy loss is reduced, and the laminated aluminum foil composite paperboard is more environmentally friendly in the production process.

The invention discloses an infrared temperature measurement based intelligent human body sensing fan and an achievement method and relates to the technical field of infrared sensing. The human body sensing fan comprises a fan motor, an array type infrared thermopile sensor, a main controller, an angle adjusting motor and a fan body, wherein the array type infrared thermopile sensor is used for measuring the heat source temperature information in a room so as to recognize the position and distance of a human body, sense the temperature and movement or resting state of the human body, and then human body comfort and the energy-saving and environmental protection effects are achieved by automatically controlling the wind direction and wind power through the main controller.

The invention belongs to the technical field of building construction, and particularly relates to a spray dust falling and cooling device for a building construction working face. A scheme is provided in order to solve the problem that the dust falling and cooling range of an existing dust falling and cooling device is small. According to the scheme, the spray dust falling and cooling device comprises a corrugated water guide pipe; a water distributing pipe is arranged at the top of the corrugated water guide pipe, and a first opening is formed in the outer wall of the center of the bottom ofthe water distributing pipe; the inner wall of the first opening is connected with the outer wall of the top of the periphery of the corrugated water guide pipe through a bearing; and a rotary rod isfixedly installed on the inner wall of the center of the top of the water distributing pipe, and an auger blade is fixedly installed on the outer wall of the periphery of the rotary rod. According tothe spray dust falling and cooling device for the building construction working face, by arranging three telescopic sleeves and arranging electric guide rails and electric sliding blocks between theadjacent telescopic sleeves, the electric sliding blocks can drive the telescopic sleeves to stretch out and draw back, then the spraying height of the device can be effectively increased, and the dust falling and cooling range is enlarged.

The invention provides a roof cleaning and cooling system and a building. The roof cleaning and cooling system comprises a water tank, a first spraying pipe, a connecting pipe, a water collecting portion, a backflow pipe and a driving portion, the first spraying pipe is arranged at the top of a roof and comprises a water outlet arranged towards the roof, the connecting pipe connects the water tank with the first spraying pipe, the water collecting portion is arranged at the edge of the bottom of the roof and used for receiving water leaking down from the roof, the backflow pipe connects the water collecting portion with the water tank, and the driving portion uses photovoltaic power as an energy source to drive water in the water tank to enter the first spraying pipe. The roof cleaning and cooling system uses solar energy as power and water as a medium, the water is driven through the solar energy to circulate to the roof for spraying so as to realize cleaning and cooling of the roof; in other words, the solar energy is utilized to spray the water in the water tank to the roof through the first spraying pipe to cool the roof, and the roof and photovoltaic tiles on the same can be cleaned, so that power generation efficiency of the photovoltaic tiles is guaranteed and energy-saving environment-friendly effect is realized.

The invention relates to the technical field of garden sprinkler irrigation equipment, and discloses an energy-saving and emission-reducing garden watering device. The watering device comprises a storage tank, the storage tank is arranged on the ground, water collecting tanks are arranged at both sides of the storage tank on the ground, partition plates are fixedly mounted inside the storage tankand the water collecting tanks, a movable door located above the storage tank is fixedly mounted on the tops of the partition plates, bearing plates are fixedly mounted at the bottoms of the inner cavities of the partition plates, and two sets of symmetrical limiting devices are fixedly mounted on the side walls of the partition plates. According to the watering device, the whole device can be conveniently pulled to the ground surface for sprinkling irrigation through the lifting action of the limiting devices, after the sprinkling irrigation is finished, the device can be conveniently placedin the storage tank and then blocked by the movable door, rusting or blocking of water outlets of a main nozzle and auxiliary nozzles due to the fact that the auxiliary nozzles and the main nozzle areplaced in the air for a long time is prevented, convenience of device installation is improved, and the service life of the device is prolonged.

The invention relates to the technical field of sponge cities, in particular to a sponge city seepage drainage structure and a water circulation system. The sponge city seepage drainage structure andthe water circulation system comprise a hollow drainage well, the bottom of the drainage well communicates with a municipal drainage system, a first filter screen is arranged on the upper surface of the drainage well, a driving motor is arranged on the inner wall of the drainage well, a rotating shaft is coaxially arranged on an output shaft of the driving motor, a second filter screen is arrangedin the drainage well, the aperture of the second filter screen is smaller than that of the first filter screen, the rotating shaft is located between the first filter screen and the second filter screen, a hollow garbage well is arranged on one side of the drainage well, a discharge port is formed between the drainage well and the garbage well, one end of the second filter screen is located at the edge of the discharge port and lower than the other end of the second filter screen, a cover plate is arranged at the top of the garbage well, and a collecting box is arranged in the garbage well. The system can classify garbage in rainwater so as to indirectly improve the utilization rate of the rainwater, and therefore the effects of energy conservation and environmental protection are achieved.

The invention discloses an intelligent classification garbage can which comprises a feed port, an induction device, a material barrel, block pieces and a division plate, wherein the feed port is formed above the material barrel; the induction device is arranged on the edge of the feed port and connected with the block pieces; a baffle plate dividing the feed port into two parts is arranged in the middle of the feed port; the block pieces are arranged at the two ends of the baffle plate; and the baffle plate is perpendicularly connected with the block pieces. The intelligent classification garbage can has the advantages that classification treatment can be performed on garbage, recyclable and unrecyclable garbage can be separated for storage, and the recyclable garbage can be recycled, so that people are led to save energy and protect an environment.

The invention discloses a system for recovering ammonia from rare earth separation waste liquor. The system comprises a solution tank I, an energy-saving concentrator, a solution tank II and other parts, wherein a solution outlet of the solution tank I is connected to a material concentration inlet of the energy-saving concentrator through a pipeline, a material concentration outlet of the energy-saving concentrator is connected to a solution inlet of the solution tank II through the pipeline, and a solution outlet of the solution tank II is connected to a material inlet of a reaction tank through the pipeline. Ammonia is recovered by the system, ammonia recovery rate can be 99.5% or higher, concentration of finally obtained ammonia water reaches 8.0-10.0 mol / L, and recovery is efficient and thorough; meanwhile, according to the method, ammonia nitrogen content of finally discharged wastewater after being treated with the method is smaller than or equal to 5.0 ppm which is far lower than 15.0 ppm specified in national first level discharge standard, and low discharge and low pollution are realized; besides, for operation with the method, only 0.8-1.0 ton of steam is consumed for each ton of the ammonia water, steam needed for the operation is saved greatly, and energy is saved.

The invention discloses an internal-combustion permanent-magnet linear power generation device, which comprises two two-stroke internal-combustion chambers with the same structure and a permanent-magnet linear power generator including a coil stator, a movable rod and a permanent-magnet rotor sleeved on the movable rod in coaxial mode. The permanent-magnet rotor comprises two groups of radiating rings, two groups of heat insulation rings and a magnetizing permanent-magnet ring group. Correspondingly, the movable rod comprises two movable rod heat transmission sections, a heat insulation section and a movable rod permanent-magnet section. The internal-combustion permanent-magnet linear power generation device can quickly transmit a lot of heat generated in combustion expansion acting processes to the movable rod heat transmission sections through a piston to radiate the heat quickly through the movable rod heat transmission sections and the radiating ring group. Simultaneously, the heat is insulated by the movable rod heat insulation section and the heat insulation ring groups. The movable rod permanent-magnet section and the permanent-magnet ring group sleeved on the movable rod permanent-magnet section are prevented from being affected by heat and keep magnetism. Therefore, the problem that the magnetism of a permanent-magnet body can be reduced and even lost due to the fact that heat is transmitted by the piston of an existing internal-combustion permanent-magnet linear power generation device to the permanent-magnet body and the permanent-magnet body is heated is resolved.

The invention relates to the technical field of waterproofness detection equipment, in particular to a waterproofness detection device for engineering building materials and a detection method thereof. The technical scheme of the invention is realized as follows: the waterproofness detection device for the engineering building materials is characterized by comprising a workbench and a detection assembly which is fixedly arranged on the workbench and used for detecting the waterproofness of the building materials, wherein the detection assembly comprises a water flow simulation module, a clamping module, an extrusion module and a detection module. The detection method disclosed by the invention is scientific, and the detection equipment is high in detection accuracy, accurate in detection effect and easy to operate.

An oil-immersed transformer with an energy-saving function is disclosed in the invention, and comprises a bearing seat, a filtering mechanism, a rain shelter and a battery pack, a shell is fixed to the top of the bearing seat through nuts, first oil pumps are symmetrically fixed to the two sides of the bottom in the shell, and a first connecting pipeline penetrates through the side wall of the shell to be connected with an oil filtering tank; and the filtering mechanism is fixed to the inner side of the oil filtering tank, a second oil pump is fixed to the inner bottom of a backflow box, a third connecting pipeline is fixed to one side of the second oil pump, the rain shelter is fixed to the top of the bearing seat, a bird repelling device and a solar cell panel are fixed to the top of the rain shelter, and the solar cell panel is located on the outer side of the bird repelling device. According to the oil-immersed transformer with the energy-saving function, the rain shelter plays a role in shielding rain and sun for the shell, the bird repeller can play a role in repelling birds, the solar cell panel can absorb solar energy and convert the solar energy into electric energy to be stored in the battery pack to be used by part of equipment, and the energy-saving effect is conveniently achieved.

The invention discloses an environment-friendly backboard eraser. The environment-friendly backboard eraser comprises a blackboard eraser body. An erasing plate is arranged on the blackboard eraser body. Erasing bristles are arranged on the front face of the erasing plate. A dust sucking device, a circuit board and a storage battery are installed in the blackboard eraser body. The dust sucking device is connected with the circuit board through a wire. The side edge of the blackboard eraser body is provided with a starting switch, an electric quantity display lamp and a charging port, all of which are connected with the circuit board. The circuit board is electrically connected with the storage battery through a wire. A dust storing box is installed on one side of the dust sucking device. The dust storing box is fixed in the blackboard eraser body. A dust sucking opening is formed in the erasing plate. The dust sucking opening communicates with the dust storing box through the dust sucking device. The dust sucking device can be opened while the blackboard eraser is used, the effect of reducing dust is achieved, the teaching environmental is kept sanitary, and diseases of the respiratory system due to flying of dust are avoided.

The invention discloses a cell-less type piezoelectric power generation wireless doorbell. The cell-less type piezoelectric power generation wireless doorbell comprises a wireless signal outdoor transmitter and a wireless signal indoor receiver, wherein the wireless signal outdoor transmitter comprises a piezoelectric material power generation portion, an electric energy processing portion, a wireless signal transmitting portion, a wireless signal outdoor transmitter casing and a doorbell pressing rod, and the wireless signal indoor receiver comprises a wireless signal reception portion and a power supply. When the doorbell pressuring rod is pressed, pressing force is transmitted through a spring to a piezoelectric material, mechanical energy is converted into electric energy through utilizing the piezoelectric effect, the electric energy is transmitted through the electric energy processing portion to drive the wireless signal transmitting portion to transmit a wireless signal, the wireless signal is received by a wireless signal reception end to generate a ring tone, and the purpose of calling a host is realized. Compared with an electronic doorbell in the prior art, the cell-less type piezoelectric power generation wireless doorbell is advantaged in that the wireless signal outdoor transmitter requires no extra power supply, using dry cells or button lithium cells can be avoided, and the effects of energy saving and environmental protection are realized.

The invention discloses an energy-saving environment-friendly circulating fluidized bed system. The circulating fluidized bed system comprises a fluidized bed, a smoke pipeline, a smoke separation device and a waste heat utilization device. The smoke separation device and the waste heat utilization device are arranged in the smoke flow direction of the smoke pipeline sequentially. The smoke separation device comprises a separator body, a high-temperature smoke inlet, a lower exhaust barrel and a material returning outlet. The high-temperature smoke inlet is formed in the side wall of the separator body and connected with the smoke pipeline. The lower exhaust barrel is perpendicularly arranged in an inner cavity of the separator body, a top inlet of the lower exhaust barrel is far away from the top wall of the separator body, and a bottom outlet of the lower exhaust barrel is connected with the waste heat utilization device through the smoke pipeline. The material returning outlet is formed in the bottom of the separator body and connected with a fluidized chamber through a material returning pipe. The waste heat utilization device comprises a dedusting smoke inlet, a low-temperature smoke outlet, a cold air inlet and a hot air outlet. The dedusting smoke inlet is connected with the bottom outlet of the lower exhaust barrel through the smoke pipeline. The low-temperature smoke outlet is connected to a chimney through the smoke pipeline. The cold air inlet is connected with a first fan through a cold air pipeline. The hot air outlet is connected with an air chamber through a hot air pipeline.

The invention belongs to the technical field of garden construction, and particularly relates to a spraying irrigation device for garden construction. Aiming to solve the problems that an existing garden irrigation device cannot collect rainwater and is poor in water saving effect, now the following scheme is proposed: the spraying irrigation device for garden construction comprises a first waterguide pipe, wherein second water guide pipes vertically arranged at equal intervals are fixedly mounted on the outer wall of one side of the top of the first water guide pipe, a gear ring is connectedto the outer wall of the middle of the circumference of each second water guide pipe through a bearing, and an annular water distribution pipe is fixedly mounted on the outer wall of the top of eachgear ring. In the spraying irrigation device for garden construction provided by the invention, rotating motors, gears and gear rings are arranged on the second water guide pipes, and in a using process of the device, the rotating motors can drive the gears and the gear rings to rotate, and then drive the annular water distribution pipes and third water guide pipes to rotate, so that a spraying range can be effectively widened in a water spraying irrigation process, and thus adequacy of irrigation is improved.

The invention discloses high-precision mirror surface automatic detection equipment, which is characterized by comprising an equipment body, a working platform, a dust collection device, a fan, a detection device and a control device, wherein a detection streamline is arranged on the working platform, a feed inlet and a discharge outlet are respectively formed before and behind the detection streamline, and a first station, a second station and a third station are arranged on the detection streamline; the dust collection device is arranged on the first station, the fan is arranged on the second station, the detection device is arranged on the third station, an air purifier is arranged above the detection device, and the dust collection device, the fan, the detection device and the air purifier are all connected with the control device. A plurality of stations are arranged on the detection streamline, the dust collection device and the fan are arranged on the stations, lenses is subjected to dust collection treatment through the dust collection device and the fan, and the lenses can be detected through the detection device, the detection environment of the lenses can be guaranteed, and the detection precision can be effectively improved.

The invention discloses a rhombic cable ladder applied to a wind power generation system. The rhombic cable ladder applied to the wind power generation system comprises a round tube and rhombic tubes, wherein the round tube penetrate through the two rhombic tubes, mounting holes are formed in opposite positions of the two rhombic tubes, and the rhombic tubes are not provided with indents. The rhombic cable ladder applied to the wind power generation system is simple in structure, simple in procedure and high in manufacturing efficiency; the rhombic tubes can effectively prevent a protective layer on the surface of a cable from being worn, protect the cable well and effectively prevent cable leakage and short circuit caused by breakage of the protective layer, thus improving the operating safety of the whole wind power generation system; the invention further relates to a processing technique for the rhombic cable ladder applied to the wind power generation system, which realizes indent-free connection and installation by adopting the technologies of stamping, expansion and the like during processing, thus effectively ensuring the appearance and flatness of the product.

The invention belongs to the technical field of geography surveying and mapping and in particular to a multi-rotor UAV altitude geographical surveying and mapping system. In consideration that an existing UAV surveying and mapping system cannot accurately display a scale factor of the surveying and mapping scale in a video and the geographical scale of an entity in reality in a control center, themulti-rotor UAV altitude geographical surveying and mapping system comprises a UAV and a control center. The UAV includes a GPS chip, a solar panel, a mechanical control module, a surveying and mapping control module, a battery, a cameras a UAV body, a support leg and a processor, wherein the solar panel is fixedly installed on the outer wall of the top side of the UAV body by bolts. In the present invention, the multi-rotor UAV altitude geographical surveying and mapping system is provided with the solar panel which can convert the solar energy into electrical energy and store the electricalenergy in the battery during the operation of the UAV so as to supply power to the battery, thereby achieving an energy-efficient and environment-friendly effect.

The invention provides an energy-saving green building structure capable of preventing heat loss and a using method thereof, and belongs to the technical field of buildings. Comprising a curtain wall support, two pieces of glass are symmetrically and fixedly installed on the inner side of the curtain wall support with respect to the center of the curtain wall support, a shielding part, a first adjusting part, a second adjusting part and an automatic limiting part which are connected are installed in the curtain wall support, and the shielding part is located between the two pieces of glass. By arranging the first adjusting component and the shielding component, the indoor heat loss is reduced, the working load of an indoor air conditioner is reduced, the indoor electric energy consumption is saved, the adverse effect of external strong light on the indoor space is avoided, meanwhile, the adjusting mode is simple, no electric appliance element needs to be arranged, the manufacturing cost is reduced, and the practicability is high. And automatic adjustment can be carried out according to the outdoor temperature, the convenience in daily use is improved, and the adjustment convenience of the shielding component is further enhanced by arranging a second adjustment component.

The invention discloses an electric heating blanket controller which at least comprises one temperature zone unit; each temperature zone unit at least comprises one heat-generating body, a temperaturecontrol circuit used for controlling each corresponding heat-generating body to heat up to a specified temperature, and a human body induction apparatus used for triggering on-off of each corresponding temperature control circuit; the human body induction apparatus triggers a corresponding temperature control circuit only at a human body position so as to control a corresponding heat-generating body to generate heat. The invention also discloses a single temperature control electric heating blanket, a double temperature control electric heating blanket and a control method that can be appliedto the electric heating blanket controller. The electric heating blanket controller, the single temperature control electric heating blanket, the double temperature control electric heating blanket and the control method are advantageous in that only at the human body position can the corresponding temperature control circuit be triggered so as to control the corresponding heat-generating body togenerate heat, heat energy waste of a whole blanket surface can be prevented, electric connection with the temperature control circuit can be automatically broken when a human body leaves, the heat-generating body can be controlled not to generate heat, and energy conservation and environment protection effects can be exerted.

The invention discloses a watch with the lighting function. The watch comprises a dial plate and a watchband and is characterized in that the watchband is provided with a solar panel used for storing electrical energy; the center of the dial plate is provided with an LED lamp used for lighting the dial plate, and the LED lamp is communicated with the solar panel and is controlled to switch on and off through a switch of the side wall of the dial plate; the dial plate is provided with a protection surface, one surface of the protection surface adjacent to the numbers of the dial plate is provided with a magnifying window used for magnifying the numbers of the dial plate, and the protection surface and the dial plate are capable of rotating around the central shaft of the dial plate at optional angle. According to the watch, the solar panel is adopted to supply power to the LED lamp of the dial plate, the LED lamp can be controlled to switch on or off through the switch in the dark, and the watch has the advantages of simple structure and high creativity.

The invention discloses a flue gas purification and heat energy utilization system of an AOD (Argon Oxygen Decarburization) refining furnace. The system comprises a refining furnace and a hearth flow guide hood which covers the outer side of the refining furnace, wherein the upper end of the hearth flow guide hood is communicated with a roof circulation hood; the roof circulation hood is communicated with a pulse bag type dust collector through a flue gas pipeline; a flue gas exhaust hole in the refining furnace is used for circulating the flue gas through a primary settlement chamber, a preheating recovery device, a secondary settlement chamber and the pulse bat type dust collector in sequence via the flue gas pipeline; an air outlet of the pulse bag type dust collector is communicated with an exhaust cylinder through an exhaust air pipeline. According to the system, the flue gas of the AOD refining furnace can be completely captured and purified, and the heat energy of the flue gas is efficiently utilized and converted to reduce the influence of the flue gas of the AOD refining furnace on the atmospheric environment, and the heat energy of the flue gas is fully utilized while relevant national environmental protection policies are met; the system has the characteristics of safety, effectiveness, economy and energy saving.

The invention relates to a power switch for realizing zero standby power consumption and a control device. The control device comprises an SCM and a power switch connected between controlled equipment and an input power; the interior of the power switch is provided with a coil and an iron core. After the SCM receives the instruction of startup or shutdown, an instant impulse signal is output for controlling the conduction of a drive switch; an instant impulse current is generated in the coil of the power switch; the iron core under the effect of the magnetic force generated by the coil connects or disconnects the input power of the controlled equipment. Aiming at solving the disadvantage that the realization of zero standby power consumption increases extra power consumption of the prior art in normal working hours, thereby being unable to realize real effect of energy saving, the invention provides the power switch for realizing zero standby power consumption and the control device, and therefore, in standby state or in normal working state, no current passes through the coil of the power switch, realizing real zero power consumption and energy saving.

The invention belongs to the technical field of agriculture planting, in particular to an irrigation device for agriculture planting. In order to solve the problems that a conventional irrigation device is small in irrigation range, and the irrigation is insufficient, the invention provides the irrigation device for agriculture planting. The irrigation device for agriculture planting comprises a supporting baseplate and two first water baffles, wherein the two first water baffles are mounted on the outer walls on two sides of the supporting baseplate through bolts; a platform shaped supportingblock is fixedly mounted on the central outer wall of the top of the supporting baseplate; first supporting rods which are vertically arranged are fixedly mounted on the outer walls of the two ends of the top of the platform shaped supporting block; and a casing pipe is in sleeving connection to the periphery outer wall of each of the two first supporting rods. According to the irrigation devicefor agriculture planting disclosed by the invention, the casing pipes and the first supporting rods are arranged, spacing holes are formed in each first supporting rod in an equal distance, and an inserting hole and a spacing plug are formed / arranged in / on each casing pipe, so that the height of each casing pipe can be in sleeving connection according to requirements, then the irrigation height can be conveniently adjusted, and the irrigation range is improved.

The invention discloses a novel radiation refrigeration device based on a metamaterial surface broadband absorber, and relates to a radiation refrigeration device. A supporting substrate, a uniform light thickness reflective film, an intermediate dielectric layer and a periodic array are sequentially arranged from bottom to top; the periodic array is an array formed by columnar units which are periodically distributed in a square shape, and the columnar units are formed by stacking and combining plasmon metal discs and dielectric cylinders; through interaction of local plasmon resonance of the periodic array and other parts, the infrared broadband absorption characteristic is formed, and therefore the passive radiation refrigeration function is achieved for a heat source. Bottom metal with the thickness larger than the skin depth is used for blocking light transmission; strong absorption is generated by exciting plasmon resonance to reduce reflections. The structure is simple, the requirement for preparation precision is lowered, the preparation efficiency is improved, and the preparation cost is lowered. The broadband high emissivity is achieved, large-area batch manufacturing is easy, and the device can be used for radiation refrigeration to achieve the energy-saving and environment-friendly effects.

The invention particularly relates to a solar light guide system, and belongs to the technical field of light guide systems. The solar light guide system comprises an upper lamp body, a lower lamp body, a light collection cover, a solar panel, a storage battery, a PCB (Printed Circuit Board) board and an LED (Light Emitting Diode) lamp bead; the light collection cover is arranged at one end of the upper lamp body; the upper lamp body and the lower lamp body are connected through a light guide pipe; the solar panel is arranged on the outer surface of the upper lamp body; the storage battery is electrically connected with the solar panel and the PCB board; the PCB board is electrically connected with the LED bead which is arranged on the lower lamp body. The solar light guide system has the advantages that outdoor light is collected through the light collection cover and then is refracted into the light guide pipe in the day, the light is reflected and refracted in the light guide pipe repeatedly and then reaches a diffusing globe, and the diffusing globe uniformly diffuses the light and then emits the light through the lower lamp body so as to provide the light for a room; simultaneously, the solar panel receives the light, converts the light into electric energy and then stores the electric energy into the storage battery, and thus the electric energy can be conveyed to the LED bead in the day or evening with the insufficient light, so as to provide light energy for the room.

The invention relates to the technical field of jewelry, and discloses a jewelry punching device capable of recycling cooling liquid. The jewelry punching device comprises a motor and a box body, theoutput end of the motor is fixedly connected with an incomplete gear, a rack is arranged above the incomplete gear, and the right end of the rack is fixedly connected with a guide rod; and a piston isfixedly connected to the middle of the guide rod, a partition plate is fixedly connected to the right end of the guide rod, and a reset spring rod is fixedly connected to the right end of the partition plate. According to the jewelry punching device capable of recycling the cooling liquid, the cooling liquid is sprayed out through a spray head to cool the jewelry and a spiral puncher, dust generated by punching is adsorbed, and the cooling liquid flows downwards through a punching groove, finally enters a recycling groove, enters a guide pipe after being filtered through a filter screen and is matched with a piston to reciprocate left and right to change the intensity of pressure in a cylinder body, so that the recycled cooling liquid is sucked or extruded to the spray head, and thus theeffects of recycling the cooling liquid, saving energy and protecting the environment are achieved.

The invention discloses a tail-gas recovery system in production of diketene. The tail-gas recovery system comprises a tail-gas source, tail-gas absorbing equipment and tail-gas absorbing product receiving equipment, wherein the tail-gas source is used for collecting tail gas produced by a diketene production system and guiding the flowing direction of the tail gas; the tail-gas absorbing equipment provides a place of tail-gas absorption for an absorbing medium and is communicated with the tail-gas source; the tail-gas absorbing product receiving equipment is connected with the tail-gas absorbing equipment and is mainly used for receiving and / or storing tail-gas absorbing products generated in the tail-gas absorbing equipment. The tail-gas recovery system in production of diketene disclosed by the invention has the beneficial effects that recovery for effective components in the tail gas can be realized by high efficiency, and the economic values of the recovered products can be continuously exerted.