11results about How to "Improve emission efficiency" patented technology

This utility model belongs to the field of kiln heat recovery, specifically a flue gas waste heat recovery kiln preheating device, including a kiln body. A door panel is rotatably connected to one side of the kiln body, and a heating pipe is fixedly connected to the top of the kiln body. A vibration mechanism is provided at the other end of the heating pipe. The base of the vibration mechanism plays a major supporting role, and the top cover can improve the emission efficiency of high-temperature flue gas. The high-temperature flue gas passes through a purification component to filter impurities and dust in the gas. The heat exhaust pipe can be connected to external equipment through a flange, and the filtered high-temperature flue gas is transported to the required equipment through the heat exhaust pipe. When the cam rotates continuously, the protruding part can push the box to vibrate continuously through rollers and extension rods. The spring between the box and the base can improve the vibration effect, vibrating and removing the impurities and dust particles filtered in the purification component, ensuring the filtration efficiency of the purification component.

This invention belongs to the field of laser technology, specifically relating to a common-cathode multi-beam laser, comprising a cathode assembly, multiple anode assemblies, an optical resonant cavity assembly, and a power supply module. The power supply module is electrically connected to both the cathode and anode assemblies, providing operating voltage to them. Multiple anode assemblies are spaced apart above the cathode assembly. The optical resonant cavity assembly, positioned above the anode assemblies, includes multiple mirrors and an output mirror. Each mirror corresponds to one of the anode assemblies, forming multiple independent optical resonant cavities together with the output mirror. The common-cathode design allows multiple anode assemblies to share the same cathode, greatly simplifying the laser structure and significantly reducing the device size and production costs compared to traditional multi-beam lasers with multiple independent laser units.

The application discloses a double-fan-leaf suction-discharge structure of a centrifugal fan, and belongs to the technical field of centrifugal fans. The double-fan-leaf suction-discharge structure comprises an impeller, a volute, an air inlet, an air outlet, a motor, a connecting shaft, a bearing and a flow guide channel. The impeller is designed in a double-fan-leaf mode and comprises centrifugal blades and axial-flow blades. The impeller is located in the interior of the volute, and the interior of the volute is further provided with the flow guide channel. The application has novel design and ingenious device. The double-fan-leaf suction-discharge structure is arranged in the interior of the impeller shell and comprises centrifugal blades and axial-flow blades. The external gas is guided to enter the gap between the centrifugal blades in an orderly manner, the axial air suction capacity is improved, the phenomenon that the air pushed by the centrifugal blades overflows along the axial direction is inhibited, and thus the generation of backflow is reduced. The flow guide channel is arranged, the main channel changes from narrow to wide from the air inlet to the air outlet, the entering gas can be stably transported from the air inlet to the air outlet under the action of the main channel, the gas discharge efficiency is improved, and the discharge capacity is increased.

The utility model relates to medical instrument technical field, concretely is a specimen soaking device for pathological department, including jar body, support plate and tablet, its characterized in that, the support plate is inserted in the inside of jar body, the top of jar body is connected with the cover body of screw thread, the top of support plate is established with a plurality of water holes, the edge department of support plate top is fixedly connected with a plurality of stand, the outer surface of stand is established with a plurality of clamping grooves along its height direction, the outer surface of tablet is fixedly connected with a plurality of pressure rod, the top of pressure rod far away from tablet one end is established with the insertion hole. Advantages are that: the pathological specimen is placed in the top of support plate, then the pressure rod is through the insertion hole and is put on the outer surface of stand, and the pressure rod is slid down, makes it and press in the top of pathological specimen, then through the rotation pressure rod, makes the clamping block through the sliding slot and is clamped in the clamping groove of stand surface, finally puts the support plate into the jar body that is equipped with the soaking liquid, and can be connected with the cover body of screw thread in the top of jar body, and the operation is simple, saves time and labour.

The utility model relates to fire engineering equipment technical field especially, and more particularly to a fire engineering smoke exhaust device, technical scheme: a fire engineering smoke exhaust device, including smoke exhaust device support bottom plate, adjusting assembly, smoke suction subassembly, connecting pipe, processing box, fixed base, activated carbon filter plate, air deflector, flow guide groove, second mounting support, flow guide air baffle, installation groove and collection box, the top surface of smoke exhaust device support bottom plate is provided with adjusting assembly, the top of adjusting assembly is provided with smoke suction subassembly, one side of smoke suction subassembly is provided with connecting pipe, one side of connecting pipe is provided with processing box, the utility model discloses through multilayer filtration and spiral flow guide technology has improved the thoroughness of smoke purification significantly, ensures that the discharge gas meets environmental protection standard, secondly, the combination of flow guide air baffle and spiral air duct optimizes the airflow path, reduces energy loss, makes the smoke exhaust process more efficient, effectively improves the purification effect and smoke exhaust efficiency of fire engineering smoke exhaust.

This utility model discloses an automatic fume extraction welding machine, including a welding head, a fume extraction assembly, and a fume extraction pipe. The fume extraction assembly achieves efficient airflow acceleration through magnetic drive of a vortex impeller and an excitation assembly. The cooperation of a fixed-rotation ring and a shaft sleeve guides the airflow and accelerates fume emission. A grid ring and a heat-insulating kit further improve fume filtration efficiency, ensuring effective removal of harmful substances from welding fumes. This utility model, by employing vortex impeller and magnetic drive technology, not only improves the fume extraction effect but also significantly reduces energy consumption and noise, offering advantages such as high efficiency, energy saving, and environmental friendliness. Simultaneously, it simplifies the equipment structure, facilitating cleaning and maintenance, and is suitable for various welding operations, especially in environments with strict requirements for welding fume extraction.

The application provides a terahertz emitter film structure based on a Ni / Cr / Ti metal heterostructure and an ion irradiation enhancement method thereof, a substrate material is glass, and a ferromagnetic layer of a Ni film, an intermediate functional layer of a Cr film and a protective layer of a Ti film are sequentially deposited on the surface of the substrate material. The ion irradiation enhancement method comprises the following steps: a ferromagnetic layer of a Ni film, an intermediate functional layer of a Cr film and a protective layer of a Ti film are sequentially deposited on the surface of the substrate material by adopting a magnetron sputtering deposition method, and an intermediate product on which the three metal film layers are deposited is subjected to ion irradiation. The beneficial effects are as follows: the Cr film layer is used to realize ultrafast current transients under femtosecond laser excitation and generate terahertz radiation. The metal film is subjected to ion irradiation treatment, and the terahertz emission intensity is significantly improved.

The utility model provides a combined slag scraper which comprises an air floatation tank body, and a slag scraping mechanism and a skimming mechanism are arranged above the air floatation tank body; the scum scraping mechanism comprises chain wheels and a chain arranged between the chain wheels, a scraping plate is installed on the chain, the scraping plate moves to scrape scum on the surface of the air floatation tank body from the front end to the rear end, and a photoelectric switch used for detecting the position of the scraping plate is installed at the rear end of the air floatation tank body; the skimming mechanism is located at the rear end of the air floatation tank body and comprises a rotating shaft transversely erected on the two sides of the air floatation tank body, spiral blades are arranged on the rotating shaft in the axial direction of the rotating shaft, and a scum outlet matched with the skimming mechanism is formed in one side of the air floatation tank body. A conventional sludge discharge area and a conventional sludge partition plate are omitted, scum collected to the rear end by the scraper is discharged from one side by the aid of the skimming mechanism, space utilization rate is increased, the air floatation equipment is shorter under the same load condition, and space use requirements of customers can be met.

This invention relates to the field of advanced petrochemical new materials technology, and discloses a luminescent composite material, its preparation method, and its application. The composite material comprises the following components: homopolymer polypropylene, polybutylene succinate, a compatibility modification system, double-modified rare-earth strontium aluminate luminescent powder, dispersant, antioxidant, weathering agent, toughening agent, nucleating agent, and silane coupling agent. This invention employs a compatibility modification system composed of maleic anhydride-grafted PP-g-PBS copolymer and double-modified nano-montmorillonite. The maleic anhydride-grafted PP-g-PBS copolymer constructs a chemical link between the polypropylene and polybutylene succinate molecular chains through a grafting reaction, reducing the interfacial tension between the two resins. The double-modified nano-montmorillonite, after ionic liquid intercalation and silane grafting treatment, exhibits increased interlayer spacing and improved surface activity, uniformly dispersed in the matrix, and acts as a physical crosslinking point, improving the compatibility of the matrix resin and preventing phase separation.

The utility model relates to the field of steam trap valve, relate to a steam trap valve with built-in check valve water seal column, the utility model discloses a cylindrical water seal column, the water seal column includes the water inlet section and the drainage section that communicate upwards in proper order, the inside downside of drainage section is provided with sealed ball, sealed ball is located between water inlet section and drainage section, the inside diameter of water inlet section, sealed ball diameter and drainage section inside diameter increase setting in proper order, the bottom of water inlet section is equipped with condensed water inlet, the upper end of drainage section is provided with condensed water outlet, the junction of drainage section and water inlet section inner wall is provided with sealed slope, can effectively adapt to superheated steam, pressure fluctuation big etc. Complex working condition, prevent condensed water backflow, improve condensed water discharge efficiency.