11results about How to "Solve the reuse problem" patented technology

The present application belongs to the technical field of glass fiber sizing agent, and particularly relates to an anti-creep glass fiber sizing agent and a preparation method thereof. The anti-creep glass fiber sizing agent comprises effective components and water, and the solid content of the anti-creep glass fiber sizing agent is 3-12%. The effective components comprise the following components according to weight percentage: maleic anhydride modified long-chain branched polyolefin wax 65.5-86.9 wt.%, coupling agent 5-10 wt.%, nucleating agent 1-8 wt.%, physical cross-linking component 5-12 wt.%, initiator 0.1-0.5 wt.%, and surfactant 2-4 wt.%. The present application can effectively solve the problem of insufficient anti-creep ability of the glass fiber reinforced polypropylene material in the prior art, and at the same time, the material has good mechanical properties and fatigue resistance, which plays an important role in improving the long-term dimensional stability of the polypropylene material.

This invention provides a multi-scale corn stalk cellulose-reinforced cementitious material and its preparation method. The multi-scale corn stalk cellulose-reinforced cementitious material comprises multi-scale corn stalk cellulose and cement. The multi-scale corn stalk cellulose has both micron-fiber and nanofiber structures. The micron-fibers have a diameter of 1-5 μm and a length of 500-3000 μm, and the nanofiber structures are mainly distributed on the surface of the micron-fiber structures, with a diameter of 1-5 nm and a length of 100-2000 nm. The multi-scale corn stalk cellulose-reinforced cementitious material provided by this application exhibits higher flexural and compressive strengths (10-30% increase) than the control group cement, and has broad application prospects in the field of construction engineering.

The utility model relates to a kind of integrated waste exhaust rail vehicle air conditioning unit, including shell, evaporative cavity and condensing cavity are in the shell, condenser is installed in the condensing cavity, total heat exchanger is installed in the evaporative cavity, fresh air inlet and waste exhaust inlet are provided on the shell of the evaporative cavity, condensing air outlet is provided on the shell of the condensing cavity, fresh air and waste exhaust respectively pass through the total heat exchanger and carry out heat exchange in total heat exchanger, waste exhaust passage for guiding waste exhaust after heat exchange with fresh air to condenser air inlet side is provided in the condensing cavity, waste exhaust fan is installed in the waste exhaust passage, waste exhaust is discharged by condensing air outlet after secondary heat exchange with condenser.The utility model can make the cold energy and heat in waste exhaust be fully recycled, effectively avoid that cold energy / heat in car is lost in large quantities, improve air conditioning energy efficiency.

The utility model discloses a polystyrene foam board crushing and recycling device which comprises a waste material treatment box, a feeding hopper is arranged above the waste material treatment box, pushing plates are installed on the two sides of the feeding hopper, the outer sides of the pushing plates are connected with pushing motors, a cover plate is installed above the feeding hopper, and the cover plate is connected with the pushing motors. Return springs are installed on the two sides of the upper portion of the cover plate. Dust collection boxes are installed on the two sides of the outer wall of the waste treatment box correspondingly, dust suction fans are installed above the dust collection boxes, dust suction plates are installed in the dust collection boxes, hollow shafts are arranged in the dust suction plates, and connecting shafts are arranged in the hollow shafts. Compared with an existing device, the polystyrene foam board crushing and recycling device has the advantages that dust generated in the waste treatment box can be absorbed by the dust absorption fan through the pipeline and the exhaust inlet, the absorbed dust can be collected by the dust collection box, and the dust can be absorbed by the dust absorption plate made of an electrostatic adsorption material.

The invention discloses water floating type domestic sewage treatment water recycling equipment which is integrated on a floating body platform, and the total occupied area is less than or equal to 3m. The equipment comprises a pretreatment unit, a multi-stage A / O biochemical treatment unit, an intermediate precipitation unit, an MBR membrane deep separation unit, a clear water recycling unit and an intelligent control unit which are sequentially connected in the water flow direction. The biochemical treatment unit forms a high-load bioreactor by adding high-specific-surface-area biological filler; and an immersed ultrafiltration membrane component is arranged in the MBR tank. A trapezoidal rainwater collecting device is arranged at the top of the clear water tank, and intelligent filtering and automatic supplementing of rainwater are achieved through a liquid level sensor and a controller. The system also integrates photovoltaic power supply and mobile phone APP remote control functions, and can efficiently treat domestic sewage and realize cyclic utilization of water resources.

The present invention relates to the field of coating technology, and specifically proposes a fly ash-based radiation cooling coating and a preparation method thereof, wherein the fly ash-based radiation cooling coating comprises the following components by weight: 30 to 35 parts of fly ash, 15 to 20 parts of adhesive, 4 to 8 parts of thermal conductor, 12 to 16 parts of reflector and 30 to 40 parts of ethanol. After waste coal slag is made into fly ash by ball milling and calcining, the fly ash is mixed with other raw materials and sieved to make fly ash radiation cooling coating. The radiation cooling coating prepared by the present invention has high radiation characteristics in the mid-infrared band and high emission characteristics in the visible light band, and the raw materials are low in price and the preparation method is simple, which is very suitable for industrial production and large-scale promotion and use.

The invention discloses coal gangue-based Na-type zeolite as well as a preparation method and application thereof, and belongs to the technical field of water treatment. The preparation method of the coal gangue-based Na-type zeolite comprises the following steps: adding coal gangue into an aqueous solution of sodium hydroxide, stirring and aging, and then heating and crystallizing to prepare the coal gangue-based modified material, the stirring and aging conditions are as follows: the aging temperature is 20-80 DEG C, and the aging time is 12-24 hours; the heating crystallization conditions are as follows: the crystallization temperature is 100-140 DEG C, and the crystallization time is 12-24 hours; the mass ratio of the sodium hydroxide to the coal gangue is 1: (0.5-1.5). The preparation method is simple in process, free of a high-temperature calcination process and suitable for large-scale production, the prepared Na-type zeolite has high phosphorus adsorption capacity, the problem of reutilization of coal gangue is solved, efficient phosphorus removal in water can be achieved, and the purpose of turning waste into wealth is achieved.

The invention discloses an intelligent flood discharge pool drainage device for an airport, comprising: a side wall flood discharge pool, two side walls are arranged on one opposite side of the flood discharge pool, a water inlet side wall and a flood discharge scattering side wall are arranged on the other opposite side, a plurality of drainage pipes are buried in the water inlet side wall, the flood discharge scattering side wall is connected to the scattering surface, the pipe is connected to the flood discharge pool and a water pump through one of the two side walls, and one end of the pipe connected to the water pump extends to a clean water pool; the clean water pool is used to purify the extracted water, and the clean water pool is respectively connected to an air conditioning grey water pipe, a grey water toilet flushing pipe and an irrigation pipe; the water pump is connected to a solar panel through a solar water quality monitor; the water pump is a solar pumping water pump; the water inlet side wall, the flood discharge scattering side wall and the side walls are all flexible honeycomb ecological side walls; polypropylene high molecular polymer is used for thermoplastic molding; the height of the flood discharge scattering side wall is lower than the two side walls (3) and the water inlet side wall.

The invention provides a target code auditing method and device, and belongs to the technical field of computers. The method comprises the following steps: acquiring a rule file data set and a knowledge graph structure; generating a syntax tree rule plug-in according to the rule file data set; under the condition that the target code is received, based on the syntax tree rule plug-in and the knowledge graph structure, executing multi-level auditing on the target code to obtain a code auditing score; and determining an execution strategy based on the code auditing score, and processing the target code according to the execution strategy. In this way, multi-level auditing is conducted on the target code based on the syntax tree rule plug-in and the knowledge graph structure to determine the execution strategy, the problem that according to an existing code auditing method, due to auditing rule updating lag, a compliance blind area is caused can be solved, the problem that due to the lack of deep semantic understanding, service logic cannot be effectively verified, and code reuse cannot be effectively promoted can be solved, and user experience is improved. The real-time performance and accuracy of code auditing are improved, and the compliance risk is reduced.

The invention provides a high-Ce-content sintered magnet and a preparation method thereof, and relates to the technical field of rare earth permanent magnet material preparation. A Ce-rich main phase with the Ce content larger than 22.0 wt.% is adopted as a main alloy, and sintered Nd-Fe-B magnet waste containing heavy rare earth Dy and Tb and with the coercive force larger than 20 kOe is adopted as an auxiliary alloy to provide main phase grains of a high magnetocrystalline anisotropy field (HA). By designing the powder particle sizes of the two main phase alloys and the heat treatment process, main phase crystal grains which are small in particle size and rich in heavy rare earth Dy and Tb are uniformly dispersed around Ce-rich main phase crystal grains, solid-solid diffusion between the two main phase crystal grains is utilized in long-time sintering-in-situ diffusion heat treatment, a high-HA Dy and Tb-rich shell layer is constructed on the surface layer of the Ce-rich main phase crystal grains, and the high-HA rare earth-rich Ce-rich main phase crystal grains are obtained. And meanwhile, the fine grain size is kept, so that the sintered magnet with high Ce content and good magnetic performance is prepared from the sintered Nd-Fe-B magnet waste.

The utility model relates to the technical field of building structures, in particular to a water receiving groove structure which comprises two floors, a water receiving pipe, two fixing pieces, four bolts, a foam board and a fireproof belt, the two floors are oppositely arranged, a ground seam is formed between the two floors, the water receiving pipe is arranged between the two floors and is in an n shape, and the two fixing pieces are arranged on the water receiving pipe. The two fixing pieces are arranged on the two sides of the water receiving pipe respectively, the other sides of the two fixing pieces make contact with the corresponding floors, the four bolts penetrate through the corresponding fixing pieces to be connected with the corresponding floors, the foam board is connected with the two floors in a sliding mode and located in the ground seam, and the fireproof belt is connected with the two floors through screws and located below the foam board. Through the arrangement of the structure, the problem that rainwater collection and recycling are not facilitated due to the fact that an existing water receiving groove structure generally guides rainwater into a drainage pipe is solved.