36results about How to "Solving the Recycling Conundrum" patented technology

The invention discloses a gold-MOFs-polymer composite membrane, and a production method and an application thereof, and belongs to the technical field of polymeric functional membranes. An MOFs-polymer composite membrane obtained through self assembling of a covalent bond driven NMOFs material and mercapto group-containing functional polysiloxane is adopted to load gold nano-particles as a matrix in order to obtain the gold-MOFs-polymer composite membrane material. The gold-MOFs-polymer composite membrane has a high catalysis effect on Knoevenagel condensation of 4-nitrobenzaldehyde at room temperature and reduction of 4-nitrophenol as a continuous flow-through membrane reactor. The composite membrane has great application prospect in the field of membrane catalysis.

A steam-utilizing condensate water recycling system for a cut tobacco production workshop of a cigarette factory comprises a boiler (100), a deaerator (101), a water softening station (102), a periodic blowdown expansion tank (103), high-temperature processing equipment (104), low-temperature processing equipment (105), a combined air conditioner (106), a flash tank (107), a high-pressure condensate water recycling tank (108), a low-pressure condensate water recycling tank (109), first deironing equipment (110) and second deironing equipment (111). The steam-utilizing condensate water recycling system has the advantages that steam is generated from the boiler, condensed into water and recovered into the boiler to form a perfect closed cycle, so that recycling rate of heat, water and flash steam of the condensate water is increased greatly, resources are saved, and environmental pollution is reduced.

The invention discloses a preparation method of a fiber membrane loaded with a noble metal catalyst. Palladium acetate is added into acetone and stirred uniformly, and then ethyl cellulose is added toform a palladium-acetone solution; dimethyldichlorosilane is added into toluene and stirred uniformly at the low temperature to obtain a silane dissolved solution, the palladium-acetone solution is slowly added into the silane dissolved solution at the constant temperature and stirred until the acetone is removed, and a first mixed solution is obtained; distilled water is slowly added into the first mixed solution and stirred to obtain a viscous solution; the viscous solution is added into a spinning device for high-temperature electrospinning to obtain a fiber membrane; the fiber membrane isplaced in an illumination reaction kettle for ultraviolet irradiation for 2-4 hours to obtain a porous fiber membrane, and the porous noble metal catalyst membrane is obtained after winding and extrusion. By utilizing the large surface characteristic of the fiber membrane and a spatial three-dimensional structure of methyl silicone resin, the surface area of the fiber membrane is increased, and meanwhile the adhesion fixation property of the fiber membrane is improved, so that the problem of difficult recovery of nanoscale noble metal catalysts is solved.

The invention relates to a method for separating and purifying various components from a cefaclor enzymatic reaction solution, and the method comprises the following steps of: (1) recovering an unreacted mother nucleus 7-ACCA from the cefaclor enzymatic reaction solution by adopting an acid precipitation method; (2) separating and purifying cefaclor by adopting macroporous adsorption resin; and (3) separating and purifying D-phenylglycine by adopting cation exchange resin. The method disclosed by the invention can be used for separating and purifying the unreacted mother nucleus 7-ACCA, the product cefaclor and the by-product D-phenylglycine from the reaction solution used for enzymatically synthesizing the cefaclor, sufficiently utilizes the raw materials and reduces the production cost; and products obtained by adopting the method disclosed by the invention are high in yield purity and suitable for popularization and usage.

The invention discloses a spatial arrangement structure for the ore removal level of an ore body. The spatial arrangement structure comprises a primary layer and secondary layers, the secondary layersare located above the primary layer, and the ore removal level of the secondary layers is higher than that of the primary layer. Mining is conducted through combination of the primary layer and the secondary layers, the mining range of the ore body through a natural caving method is effectively enlarged, and the mining benefits of a mine are high; and meanwhile, the difficult problems of continuous caving of high and middle sections of the extremely thick and large gentle dip ore body and heading side ore recovery are further solved, and the ore recovery rate of the heading side ore body is effectively increased.

The invention provides a multi-heat-source graded hot water supply system and a control method of the multi-heat-source graded hot water supply system. The multi-heat-source graded hot water supply system comprises a water storage device, a renewable energy source heating subsystem, an electric heating subsystem, a waste water waste heat recycling subsystem and a hot water outputting subsystem connected with the water storage device, wherein the renewable energy source heating subsystem, the electric heating subsystem and the waste water waste heat recycling subsystem provide heat for the water storage device. The water storage device comprises two or more hot water cavities. According to the multi-heat-source graded hot water supply system, the renewable energy source heating subsystem, the electric heating subsystem and the waste water waste heat recycling subsystem provide heat for the water storage device, so that water in different hot water cavities in the water storage device isheated to different temperatures, heat provided by a renewable energy source and waste heat stored by waste water are intensively utilized, so that the recycling problem of the waste heat of the waste water is solved, and electric power input is reduced; all the subsystems are mutually independent and are also organically combined into a whole, so that arrangement is flexible, and land and materials are saved; the energy resources are independent, and management is convenient; the multi-heat-source graded hot water supply system is compact and reduces energy consumption; the multi-heat-sourcegraded hot water supply system is adapted to load and improves the energy efficiency; and the multi-heat-source graded hot water supply system adopts modular production and is simple and clear in installation, safe, stable, economic and reliable.

The invention discloses a remote meter reading device applied to reactive field compensation of an agricultural irrigation motor-pumped well and a system of the remote meter reading device and relates to the technical field of devices for metering and reactively compensating electric energy. The remote meter reading device comprises an intelligent prepayment electric energy meter, a compensation capacitor switching on-off switch, a compensation capacitor, a carrier communication module, an electric leakage protector and a relay. The device is capable of achieving reactive field compensation of the agricultural irrigation motor-pumped well submersible pump and remotely reading information of the electric energy meter of the agricultural irrigation motor-pumped well submersible pump, and is stable to run and convenient to use, and line loss is reduced.

The invention discloses a glass separation and recovery device for a broken glass photovoltaic module. The glass separation and recovery device is characterized by comprising a cover shell; the covershell is in sealed connection with a base below the cover shell to form a sealed cavity; the sealed cavity is internally provided with a center stick capable of rotating and adjusting the rotation speed, the lower end of the center stick is fixedly connected with the base, and the center stick is uniformly provided with a plurality of striking sticks. By means of the glass separation and recoverydevice, a physical recovery method is provided for recovering and reusing of broken glass in the waste photovoltaic module, a physical method is used for recovering, pollution caused by chemical recovery to the environment is avoided; meanwhile, the device using a recovery method is disclosed. The device is high in recovery efficiency, low in energy consumption, low in cost, free of pollution andsimple in operation, the problem about recovering of glass particles of a broken glass module can be effectively solved, the recovering cost is obviously reduced, and overcoming of the problem about recovering of the photovoltaic module is promoted continuously.

The invention discloses a magnetic biochar reaction device for dechlorination of desulfurization wastewater. The magnetic biochar reaction device for dechlorination of desulfurization wastewater comprises structural units such as a submersible sewage pump, an adsorption reactor, a magnetic separator and a carbon tank, chlorine-containing desulfurization wastewater is subjected to mixed reaction and magnetic separation with magnetic biochar, chloride ions in the desulfurization wastewater can be effectively removed, the used magnetic biochar can be recycled through a regeneration step. Magnetic biochar is used for adsorption and dechlorination, the high adsorption capacity of an adsorbent on chloride ions reduces the investment and operation cost, and meanwhile, the resource utilization rate is increased; the magnetic biochar adsorbent realizes separation of a powdery adsorbent and wastewater through a magnetic separator, so that the operation difficulty and cost of the whole process are reduced, and meanwhile, the treatment efficiency is improved; the regeneration of the magnetic biochar adsorbent and the gradient utilization of the new carbon and the regenerated carbon further reduce the process cost, and the optimization of the whole adsorption dechlorination process is realized.

The embodiment of the invention discloses a full electric vehicle expanded energy storage system and an electric vehicle with the same. The expanded energy storage system of the pure electric vehicle can comprise an auxiliary energy storage module, a first power distribution module and an auxiliary function driving module, the auxiliary function driving module is electrically connected with the auxiliary energy storage module through the first power distribution module; the auxiliary energy storage module, the first power distribution module and the auxiliary function driving module are all electrically connected to the vehicle control unit; the first power distribution module is electrically connected with a second power distribution module in a main power system of the pure electric vehicle through the power conversion module; and the power supply conversion module is electrically connected with the vehicle control unit. According to the expanded energy storage system of the pure electric vehicle, independent power supply for accessory functions except for a vehicle power system can be achieved, mutual power supplement between the two sets of energy storage systems can be achieved, the driving range of the vehicle can be guaranteed, normal work of the loading function can be guaranteed, and meanwhile the service life of an original vehicle energy storage system can be prolonged.