62results about How to "Reduce Reuse Costs" patented technology

The embodiment of the invention discloses an inter-module calling method, device and system in an application program. The system comprises a frame core module, a service module and a service interface, wherein the frame core module is used for maintaining contextual information related to the application program and providing an event perceptual interface; the contextual information is used for sharing various module resources; the service module is used for performing event perception through the event perceptual interface of the frame core module and initiating a calling request for the service interface corresponding to a target event when the target event is perceived; the service interface is used for calling a corresponding basic function module according to the calling request of the service module, transmitting parameters in the calling request to the basic function module, and returning a processing result to the service module after receiving the processing result returned back by the basic function module. According to the inter-module calling method, device and system in the application program, the reuse cost of the modules can be lowered, and the flexibility of the modules is improved.

The invention discloses a slope protection or flood control dam using discarded tyres. The slope protection or flood control dam is built by superposing multiple layers of discarded tyre prestressed mesh plates; the discarded tyre prestressed mesh plates are formed by combining multiple discarded tyre prestressed straps; and the discarded tyre prestressed straps are formed by penetrating parallel steel strands through the discarded tyres, prestressing the steel strands, and fixing two ends of the steel strands on outer edges of outmost tyres on two sides. The slope protection or flood control dam using the discarded tyres realizes recycling of wastes at a low cost, and has the advantages of high processing speed, low cost, high transportation speed, rapidness and flexibility in combination and detachment, less resource consumption, capability of regulating the height, the length and other sizes freely, and the like; and the slope protection or flood control dam using the discarded tyres is applicable to on-site quick processing, can meet an emergency requirement, is high in strength, high in impact resistance, high in self-supporting strength, stable and unloose in structure and durable, and is also applicable to manual filling of concrete or stones or filling of gaps between the discarded tyres by using naturally silting sands, stones and the like so as to improve the self weight and the stability and firmness.

The invention discloses a metal-organic framework material for efficient CO2/N2 selective separation and adsorption and a preparation method of the metal-organic framework material. The preparation method of the metal-organic framework material comprises steps as follows: firstly, organic ligands are obtained through cross coupling reaction, secondly, a homogeneous-phase crystal material is obtained with a solvent thermal method, thirdly, repeated solvent exchange is performed with anhydrous acetone with a lower boiling point, and finally, solvent molecules in holes of the material are removed in a higher vacuum state, so that the activated crystal material is obtained. The material realizes zero adsorption of N2 for the first time, has high CO2/N2 selective separation and adsorption performance and lower isothermal adsorption enthalpy and is low in reuse cost; besides, the material has excellent chemical stability and heat stability, greatly meets multi-aspect requirements for the CO2/N2 selective separation and adsorption material in the actual application field, and has great application prospect in the field of CO2/N2 selective separation and adsorption and in the aspect of relieve of greenhouse effect.

The invention discloses a soil-retaining dam which is formed by combining waste tyres, and a construction method thereof. A dam body is formed by stacking a plurality of layers of waste tyre prestressed mesh sheets; each of the waste tyre prestressed mesh sheets is formed by combining a plurality of waste tyre prestressed belts; each of the waste tyre prestressed belts is formed when parallel steel stranded wires pass through each waste tyre; two ends of each of the steel stranded wires are fixed on the outer edges of the outmost tyres of two ends respectively after each of the steel stranded wires applies prestress to each waste tyre; nodes are arranged on the prestressed steel stranded wires on the inner side of the dam body; a steel rope is fixedly arranged on each node; and each steel rope is pulled towards the upstream of a channel obliquely along a counter current direction and is fixed at a dam slope of a dam foundation. Through the soil-retaining dam and the construction method thereof, wastes can be recycled in low cost; the soil-retaining dam is suitable to be processed on site quickly so as to meet the requirements in emergencies, is high in strength and impact resistance, has a stable structure, cannot be loose and is durable in use; the dam body is high in self-supporting strength; and the self weight and stability of the soil-retaining dam can be improved by filling concrete, stone materials, sand and stones which are silted up naturally and the like manually in gaps among the waste tyres.

The invention relates to a treatment method of waste papermaking water, which comprises the steps of filtration, sand setting, flocculation and sedimentation and separation and reuse. The invention is characterized in that before adding flocculating agents into reclaimed water to be treated for flocculation and sedimentation, the flocculating agents which account for 70 to 90 weight percent of the total consumption carry out desalted treatment. When the method of the invention is adopted, the waste papermaking water with high salt content can be treated at the low cost, and in addition, satisfactory results can be obtained.

The invention discloses a method for recycling a wasted SCR denitrification catalyst. The method comprises the following steps of effectively cleaning a wasted SCR catalyst by a cleaning solution prepared from a microporous penetrating agent JFC-1, peregal O and acetic acid by adopting a bubble cleaning method; and cutting the wasted SCR catalyst, cleaning, drying, crushing, mixing the crushed wasted SCR catalyst with ammonium molybdate, ammonium metavanadate, oxalic acid, glass fibers, hydroxypropyl methyl cellulose, polyethylene glycol-400 and water, and re-preparing a plate-type denitrification catalyst. The method provided by the invention is simple and convenient to operate, low in cost, and free of secondary pollution to the environment in the recycling process; in addition, the plate type catalyst prepared from the recycled material is high in activity, intensity and abrasion resistance, has the certain sulfur poisoning resistant capability, and recycles the waste SCR denitrification catalyst well.

The invention discloses a large-scale fiber grating sensor flexible multiplexing device based on OFDR. The device comprises a tunable light source, a main interferometer, an auxiliary interferometer,photoelectric detectors PD1 and PD2, a data acquisition unit and a control processing unit, wherein the tunable light source provides periodic scanning light with linearly changing wavelengths for themain interferometer and the auxiliary interferometer, the main interferometer comprises a reference arm and a measuring arm, wherein the reference arm is composed of a single-mode optical fiber and aFaraday rotator mirror connected to the tail end of the single-mode optical fiber, the measuring arm is composed of a plurality of identical weak reflection fiber grating sensors, the auxiliary interferometer comprises two paths of single-mode optical fibers with different lengths and Faraday rotator mirrors connected with the tail ends of the single-mode optical fibers, the data acquisition unittakes an auxiliary interferometer beat frequency signal acquired by the photoelectric detector PD1 as an external sampling clock and performs equal optical frequency interval sampling on a main interferometer beat frequency signal acquired by the photoelectric detector PD2, and the sweep frequency nonlinearity of the tunable light source is compensated. According to the scheme, on the premise that devices such as an optical divider and a photoelectric detector are not additionally arranged, flexible multiplexing of the single-channel multi-channel fiber grating sensor is achieved, and the device can be widely applied to multiple fields.

Provided is a porous catalytic material. The porous catalytic material has the characteristics that in the XRD spectrum of the catalytic material, a dispersed diffraction peak is shown at a 2theta angle of 25-27 degree, and meanwhile the catalytic material has an FAU crystal phase structure; the chemical composition of the porous catalytic material contains 50-80% of silicon and 20-50% of aluminumby weight of oxides, the total specific surface area is not more than 250 m<2>/g, the ratio of the micropore specific surface area to the total specific surface area is not more than 28%, and the ratio, measured through pyridine-IR at 200 DEG C, of the number of B acid centers to the number of L acid centers is not less than 0.30; and when the surface Al/Si atomic ratio measured by using an XPS method is a, and the bulk-phase Al/Si atomic ratio measured by using an XRF method is b, a/b = 1.1-1.6.

The invention discloses a method and a device for sieving plastic from urban household wastes. The method comprises the steps of conveying the household wastes, magnetic sorting, drying, sieving, crushing, sorting through a pneumatic shaking table, electrostatically sorting, and obtaining waste and old plastic. The device adopted in the method comprises a magnetic sorting device, a drying device,a sieving device, a crushing device, a pneumatic shaking bed sorting device and an electrostatic sorting device which are sequentially connected. According to the method, the steps are performed in amatching manner, thus more than 95% plastic can be sorted from the household wastes, and moreover, the sorted plastic is high in purity.

The invention discloses a removal method for dissolved oxygen in recycled water. The removal method comprises the following steps: enabling the recycled water with dissolved carbohydrazide to pass through a reactor filled with a combined modified activated carbon fiber catalyst; catalyzing carbohydrazide reduction at the low temperature of 40 to 50 DEG C to remove the dissolved oxygen in the recycled water, wherein the combined modified activated carbon fiber catalyst is a catalyst obtained by carrying out high-pressure hydrothermal modification treatment on activated carbon fibers, immersingand loading an active metal salt precursor and roasting. According to the removal method disclosed by the invention, the reaction temperature of the dissolved oxygen in the carbohydrazide and the recycled water is effectively reduced, and the removal effect of the dissolved oxygen in the recycled water is improved; the removal method is especially suitable for removing the dissolved oxygen in output water of three-grade treatment of a sewage treatment plant.

A straw dehydration extrusion forming machine is used for dehydrating and processing smashed straw into block materials, and is provided with a machine frame; an auger and a material pressing pipelineare installed on the machine frame; the material pressing pipeline is composed of a material pipe and a conical pipe, the material pipe is provided with a feeding inlet, one end of the material pipeis a blind end, the opening of the other end of the material pipe is connected with a flaring flange of the conical pipe, the narrow opening end of the conical pipe is a discharging outlet, and the pipe wall of the conical pipe is provided with a plurality of gas-liquid discharging holes; and the auger is provided with a main shaft, one end of the main shaft is rotationally connected to the machine frame, the other end of the main shaft is arranged in the material pressing pipeline, a shaft body of the main shaft is fixedly connected with a spiral rib sheet, and the axis of the main shaft coincides with that of the conical pipe. The straw block materials which are high in density, small in size and low in water content can be obtained by processing the smashed straw through the straw dehydration extrusion forming machine and can be directly used as fuel for a power plant, storing and transporting are facilitated, and the recycling cost of the straw is reduced.

The invention relates to the technical fields of sewage collection, discharge and sewage treatment, and especially relates to a distributed type sewage treatment system which includes a tree-shaped sewage pipe network, a plurality of sewage treatment base stations in a distributed type arrangement along the tree-shaped sewage pipe network, and sewage treatment devices arranged in the sewage treatment base stations. Compared with the prior art, the distributed type sewage treatment system can significantly save land resources, save the cost of project construction, realize modularization, automation and intelligent management of sewage collection, discharge and sewage treatment and realize sewage classification treatment.

The invention discloses biomass water-coal-slurry prepared by using livestock breeding wastes. The biomass water-coal-slurry is prepared by the following steps: uniformly mixing coal powder, the livestock breeding wastes and water; and adjusting the pH value to 7-9 by sodium hydroxide, wherein the mass ratio of solid matters in the livestock breeding wastes to dry base coal in coal powder is (0.15-1.5) to 100. By replacing additives and part of coal by means of the livestock breeding wastes, the livestock breeding wastes are used as resources, and meanwhile, the use level of coal and water in the pulping process is reduced. The biomass water-coal-slurry has the characteristics of low cost, simple process and environment friendliness. The mass percentage concentration of the obtained biomass water-coal-slurry is not less than 60% and the biomass water-coal-slurry meets the industrial requirements in size distribution, viscosity, pH value and stability.

A metal mold for a pouring-free riser is characterized in that it includes a metal mold mechanism and a feeding mechanism; profile; the feeding mouth of the feeding mechanism is set on the left and right molds of the metal mold, divided into left and right parts, the outer wall of the feeding mouth is provided with an electric heater, and the outer wall of the electric heater is provided with a vacuum insulation There is a filter screen in the shell and the feeding port; the feeding mechanism installed on the metal mold is used to replace the existing film-coated sand riser, which can be reused and the cost is low; the electric heater installed on the outer wall of the feeding port is used to control the feeding The feeding port is heated to meet the feeding requirements of the molten metal in the feeding port; the vacuum insulation shell installed on the outer wall of the electric heater is used to insulate the feeding port, which is more energy-saving.

The invention discloses a double-layer plastic-absorption top-and-bottom cover of a folding enclosing plate box. The double-layer plastic-absorption top-to-bottom cover comprises a double-layer groundcover, a double-layer top cover and a folding enclosing plate; the double-layer ground cover and the double-layer ground cover are formed by combining plastic-absorbing materials and well-shaped square tubes through double-layer plastic-absorption mode, nine foot piers are arranged on the double-layer ground cover, limiting flanges are arranged at the upper part of the corner of the double-layerground cover, nested limiting tables are arranged on the lower portions of the lower part of the corner of the double-layer ground cover; the double-layer top cover is formed through a plurality of circular rib holes which are uniformly distributed in a double-layer plastic-absorbing mode; and the folding enclosing plate, the double-layer ground cover and the double-layer top cover form an enclosing plate box body by enclosing plate limiting grooves. The double-layer top cover and the double-layer ground cover are machined through double-layer plastic-absorbing processing, and the overall comprehensive strength is increased by arranging the U-shaped square tubes, waist-shaped ring ribs and round rib holes; the double-layer plastic-absorption top-and-bottom cover is simple in structure, firm, durable, easy to clean and low in repeated use cost, and the integral recycling or three-in-one stacking and recycling can be carried out in a nested mode; and the recovery ratio is high, the overall bearing capacity is large, and the requirements of different customers can be better met.

The invention discloses an extraction method for ferulic acid in rice bran meal. According to the method, cross-linking fixation is carried out on biomagnetic nanometer materials such as magnetosome and feruloyl esterase by adopting transglutaminase so as to obtain immobilized feruloyl esterase, then ferulic acid ester in rice bran meal after rice bran oil is extracted is pretreated by adopting the immobilized feruloyl esterase, extraction is carried out by using isopropyl alcohol after pretreatment, after solid-liquid separation of the extracting solution, then microfiltration and nanofiltration two-stage decontamination and low-temperature vacuum concentration are adopted, and activated carbon decoloration and recrystallization carried out on concentrated solution, so that a ferulic acid product with the purity of more than 98% is obtained. Natural ferulic acid is extracted from rice bran meal by adopting the immobilized feruloyl esterase, so that the problems of environmental pollution, low safety and high industrialized production cost existing in the prior art are overcome, and the extraction method has preferable application prospects.

The invention discloses a system for separating plastic from city garbage. The system comprises a magnetic separation device, a drying device, a screening device, a smashing device, a wind power shaking table separation device and an electrostatic separation device in sequence. The processes of household garbage, magnetic separation, drying, screening, smashing, wind power shaking table separation, electrostatic separation and waste plastic are implemented. 95% or above of plastic in the household garbage is separated, the separated plastic has higher purity, the content of impurities in the plastic is very low, the waste garbage is recycled more conveniently in the future, the recycle cost is saved, and the problem caused by impure raw materials in the reprocessing process is solved.