15results about How to "Zero pollution" patented technology

The utility model relates to powder conveying technical field especially is concerned on a kind of catalyst carrier powder conveying equipment;Including the hopper of cone angle ≥70 °, the roughness Ra of the inner wall surface of hopper ≤0.4 μm, pneumatic flow-aiding ring is set in the height ≤1 / 3 cone height of hopper lower part and the height from discharge port, and the annular air cavity of pneumatic flow-aiding ring is connected outside gas source;Pneumatic flow-aiding ring circumferentially distributes first nozzle group and second nozzle group, and the jet direction of first nozzle group is inclined upwards along hopper inner wall, for fluidizing powder layer in advance;The jet direction of second nozzle group is inclined downwards along hopper inner wall, for promoting powder slip.

The invention relates to the technical field of fire fighting and extinguishing, in particular to a forest fire extinguishing rocket projectile with a racemization empennage, which comprises a projectile head, a projectile body, a solid rocket engine, the racemization empennage and a baffle ring, the bomb body is provided with a shell, a superfine dry powder extinguishing agent, a front sealing plate, a rear sealing plate and an initiating explosive column, the solid rocket engine provides power for flight, the rotation eliminating empennage can rotate around the axis of the bomb body to eliminate airflow interference, and the baffle ring axially limits the rotation eliminating empennage; according to the forest fire extinguishing rocket projectile with the racemization empennage, long-distance launching is achieved through the solid rocket engine, accurate spreading of the fire extinguishing agent is guaranteed through the infrared proximity fuze, the superfine dry powder fire extinguishing agent is environmentally friendly and efficient, the racemization empennage improves the drop point precision, the forest fire extinguishing rocket projectile is suitable for fire extinguishing of large-area fire sources such as forests and grasslands, the casualty risk is reduced, and the forest fire extinguishing rocket projectile is suitable for large-area fire extinguishing. And the fire extinguishing timeliness and effectiveness are effectively improved.

This invention discloses a method for thermal activation of coal gangue. Using coal gangue and an activating admixture as raw materials, the method involves sequential crushing, mixing and mechanical activation, homogenization, molding, drying, calcination and thermal activation, cooling, and grinding to prepare active powder. This invention uses coal gangue as the main raw material. By adding an activating admixture, the thermal activation temperature of the coal gangue is reduced to below 1000℃, significantly stimulating its activity. Simultaneously, combined with mechanical activation, unsaturated residual bonds are formed in the quartz minerals within the coal gangue, producing active silica, further stimulating the activity of the coal gangue and increasing its activation rate. The prepared active powder exhibits a pozzolanic activity of over 75%, achieving the goal of "waste treatment" and reducing costs. This active powder can be directly added as a mineral admixture during concrete preparation, showing promising application prospects.

The present application relates to carbon capture and storage technology field, specifically to a kind of seawater type carbon capture and storage equipment, the output end of lifting mechanism is connected with the top of reaction bin;Reaction bin includes the upper tank body and lower tank body that can generate relative sliding, the top of upper tank body is connected with industrial exhaust pipe;The side wall of the top opening of upper tank body is fixedly connected with limiting ring, sealing mechanism is installed at the top opening of upper tank body, the output end of sealing mechanism is connected with sealing block, and the opening and closing state between sealing block and limiting ring is adjusted;The other end of sealing mechanism is located on the inner wall of upper tank body and is in contact with the top of lower tank body;Upper tank body top surface is equipped with spray head, and the liquid inlet end of spray head is communicated with the outside of upper tank body;Drain pipe is installed at the bottom of lower tank body;Catalyst for promoting carbon capture efficiency is sprayed on the inside wall of reaction bin.The equipment not only uses the pressure of seawater to keep the sealing of reaction bin, but also uses seawater pressure to pressurize reaction bin, so as to improve the reaction efficiency of carbon capture.

This invention discloses an automatic tofu cutting and packaging machine in water, comprising: a water tank assembly, which includes a cutting area, a pushing area, and a packaging area connected in sequence; the pushing area is equipped with a pushing mechanism; the packaging area is equipped with a cutting frame; one side of the cutting frame is equipped with a horizontal cutting component; the other side of the cutting frame is equipped with a pressing and balancing component and multiple vertically arranged vertical cutting blades; the pressing and balancing component and the multiple vertical cutting blades are connected to the cutting frame through a rotating pressing and cutting mechanism; the packaging area is also equipped with a box-dropping fixing frame fixedly connected to the water tank assembly; a box-dropping mechanism is provided above the box-dropping fixing frame; a box-receiving component corresponding to a fork component is provided below the box-dropping mechanism; a conveyor is provided on the water tank assembly outside the packaging area; the conveyor is equipped with a box-scraping mechanism; the above design solves the problem that the existing packaging structure is complex and cannot achieve integrated packaging and cutting.

This invention relates to the field of biodegradable tabletop manufacturing technology, specifically to a biodegradable and environmentally friendly fiber tabletop and its manufacturing method, comprising: a substrate layer, wherein the substrate layer is provided with a moisture-proof sealing layer, a load-bearing reinforcement layer, a core layer, and an outer reinforcement layer from bottom to top; a functional coating, wherein the functional coating is applied to the top of the substrate layer, wherein the functional coating is provided with a substrate surface treatment layer, an antistatic layer, and a surface sealing coating from bottom to top; and a coating layer, wherein the coating layer is bonded to the top of the functional coating, wherein the coating layer is provided with a functional coating and a peelable protective film from bottom to top. This invention uses biodegradable natural fibers and bio-based resin to construct the substrate layer, the moisture-proof sealing layer to block moisture erosion, the ionic liquid antistatic layer to achieve stable static dissipation without electromagnetic interference, and the biodegradable conductive layer on the surface coating to ensure high X-ray transmittance. The entire material system is completely biodegradable after disposal, making it widely applicable in electronic laboratories and medical environments.

This invention provides a static cone penetration test (CPPT) system and method for measuring the thickness of carnallite ore layers based on an unmanned surface vessel (USV) with variable buoyancy anchoring. The system includes an USV body, a penetration unit, a main control unit, a data acquisition unit, a multi-parameter formation identification unit, and a fluid counterweight anchoring unit. When the USV body is not performing detection operations, the fluid counterweight anchoring unit increases the weight of the hull. As the static cone penetration probe penetrates the formation, it collects the end resistance at the probe tip and the frictional force on the probe sidewall sleeve, transmitting these data to the multi-parameter formation identification unit. The identification unit identifies the upper and lower interfaces of the carnallite ore layer. The control unit calculates the carnallite ore thickness based on the depth difference between the static cone penetration probes at the upper and lower interfaces of the carnallite ore layer. This invention improves measurement accuracy, resolves the contradiction between miniaturization and large reaction forces, does not damage the original crystallization environment of the salt lake, and enhances the safety of unmanned operations.

The invention discloses a green recycling and repairing method of a lithium battery negative electrode graphite material, which comprises the following steps: cutting a battery cell of a lithium battery without liquid injection into sheets, winnowing, and separating out a diaphragm and positive and negative electrode sheets; performing color sorting on the positive and negative pole pieces to separate the positive pole piece and the negative pole piece; carrying out ultrasonic water phase stripping on the negative plate, and separating out a copper foil and a graphite suspension; and carrying out ultrasonic water washing on the graphite suspension, and then carrying out three-stage countercurrent pure water washing to obtain the regenerated negative electrode graphite material. The negative electrode graphite material in the non-liquid-injection battery cell is physically recycled and repaired through cutting, winnowing, color sorting and washing, the problems of high pollution, high energy consumption, complex process, insufficient performance recovery and the like in the prior art are solved, the method is environmentally friendly, high temperature and chemical reagents are not needed, the process is simple and efficient, and the method is suitable for industrial production. The purposes of low cost, harmlessness and high-valued recovery of the negative electrode graphite material are achieved, and the performance of the regenerated graphite material can be recovered to 95% or above of that of the raw material.

This invention provides a composite bimetallic drill pipe and its preparation method. A first aspect of this invention provides a method for preparing a composite bimetallic drill pipe, the method comprising the following steps: preparing a bimetallic drill pipe joint; preparing a bimetallic drill pipe body; friction welding the end of a first region of the drill pipe joint to the end of a second region of the drill pipe body; after welding, applying a third corrosion-resistant alloy layer to the inner wall of the weld area between the drill pipe joint and the drill pipe body, and fusing the third corrosion-resistant alloy layer with the first and second corrosion-resistant alloy layers. According to the preparation method provided by this invention, a complete corrosion-resistant alloy layer is formed on the entire inner wall of the drill pipe, effectively ensuring the corrosion resistance of the inside of the pipe body and improving the overall performance and service life of the drill pipe.

The invention provides a wide-area supersonic electrochemical auxiliary combined power cycle system, and belongs to the technical field of aviation propulsion. The problems that an existing supersonic engine cannot stably and efficiently compress air when flying across the speed domain, and stable and clean air with appropriate humidity is provided for a fuel cell are solved. The system comprises a propulsion system, a fuel cell system and a lubricating and cooling system, the propelling system sequentially comprises an air inlet channel, a screw type air compressor I, a motor I, a screw type air compressor II, a motor II and an ejection exhaust nozzle from front to back, and motor shafts of the motor I and the motor II are connected with screw shafts of the screw type air compressor I and the screw type air compressor II respectively. The fuel cell is used as power, and the engine is efficient and free of pollution; a two-stage screw compressor is adopted, is high in pressurization, stable in work and insensitive to inlet air pressure and flow fluctuation, can stably and efficiently compress air during cross-speed-domain flight, and meanwhile, provides stable and clean air with proper humidity for a fuel cell.

This invention discloses a light-driven antibacterial-dehumidification synergistic system for agricultural greenhouses, comprising an agricultural greenhouse, a light source module, and an antibacterial-dehumidification module. The light source module includes a condenser lens, a first beam splitter, a second beam splitter, and a reflector, capable of generating visible light, ultraviolet light, and infrared light; it also includes visible light emitting elements, ultraviolet light emitting elements, and infrared light emitting elements. The antibacterial-dehumidification module includes a connected processing air channel and a regeneration air channel, which intersect to form a dehumidification zone containing a solid dehumidifier. The processing air channel has a sterilization zone, and both ends of the dehumidification zone are equipped with three-way reversing valves. By adopting the above configuration, sunlight can be concentrated and split, and matched with the emitting elements to provide visible light, ultraviolet light, and infrared light around the clock, promoting crop photosynthesis, air sterilization, and dehumidifier photothermal regeneration. This constructs a new, efficient, safe, and multi-purpose synergistic approach to solar energy development and utilization, providing a green and efficient antibacterial-dehumidification technology solution for agricultural greenhouses.

This invention discloses a room-temperature self-sustaining vacuum zero-point energy array power generation device, belonging to the fields of quantum clean energy and micro-nano power generation technology. This invention solves the technical problems of traditional vacuum energy power generation, such as low efficiency, the need for vacuum pumps, the requirement for low-temperature superconductivity, energy recirculation, and the inability to output net power. The device consists of a permanently sealed vacuum Casimir trapping array, an asymmetric piezoelectric resonant amplification layer, a unilateral directional magnetic shielding energy-locking layer, and a room-temperature quantum rectification output layer. It utilizes silicon-glass anode bonding to achieve a 30-year long-term high vacuum. Through nano-spacing plates, room-temperature rectification, and a unidirectional energy-locking structure, it stably extracts vacuum zero-point energy and outputs net electrical energy under pump-free, cooling-free, and superconducting conditions. This invention can be mass-produced at the wafer level and can be stacked for expansion. A 1-square-meter module can output 280W to 650W net power. It has advantages such as zero fuel, zero emissions, long lifespan, self-sustainability, and applicability to all scenarios. It can be widely used in household power supply, industrial power, aerospace energy, and distributed power grids, and is a sustainable clean energy system that can be engineered and implemented.

This utility model relates to the technical field of pipe casting production equipment, and provides a dual-function system for circulating cooling and waste heat conversion in a pipe casting annealing furnace, comprising: a cooling air inlet circulation system, a hot flue gas exhaust system, a heat exchange system, and a steam conversion system. This utility model meets the process requirements for rapid cooling in the quenching and slow cooling sections of the annealing furnace, and simultaneously converts excess hot flue gas from both sections into hot air and steam for use in other equipment requiring hot air and steam. While meeting process requirements, it significantly saves costs, conserves energy, and reduces consumption, achieving green production.

The present application relates to the well logging fishing is used closed fishing device, especially relates to a kind of injection well closed fishing wellhead device.The device includes wellhead sealing locking gate, variable-diameter positioning fishing short circuit and hydraulic sealing short circuit;Wellhead sealing locking gate includes main body, sealing clamping elastic gate, gate hand wheel;The upper end of main body is connected to blowout preventer, and its lower end is connected to hydraulic sealing short circuit;Variable-diameter positioning fishing short circuit includes heavy rod connector, variable-diameter positioning short circuit, fishing head;Heavy rod connector connects variable-diameter positioning short circuit;Variable-diameter positioning short circuit can be detachably connected to fishing head;Hydraulic sealing short circuit includes: steel sleeve, rubber tube, pressurizing connector, first piston, second piston and spring;Injection well closed fishing wellhead device provided by the present application maximizes the success rate of fishing, meets the requirements of safety and environmental protection standards, realizes the goal of zero overflow and zero pollution on site.

This invention provides a method for preparing quantum dot-based microcrystalline glass, wherein the glass comprises microcrystalline glass powder and quantum dots in a mass ratio of 2.5:1, and the microcrystalline glass powder comprises the following components by mass percentage: SiO₂ 2 : 40-60%; H 3 BO 3 : 25-45%; La 2 O 3 :1-3%; ZnO: 5-12%; Na 2 CO 3 The UV and infrared blocking rates of the glass described in this invention reach approximately 90% before color change, and the visible light transmittance reaches over 80.0%; after color change, the UV blocking rate reaches over 99.0%, the infrared blocking rate is higher than 97%, and the visible light transmittance reaches over 30%.