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

The invention discloses a metal-organic framework nanocrystal loaded polyurethane foam as well as a preparation and an application thereof. Polyurethane prepolymer and active amino on MOFs (Metal-Organic Frameworks) are taken to perform chemical doping, the great challenge that MOFs materials are difficult to process is overcome, MOFs nanoparticles are uniformly loaded in the polyurethane foam, a foam reactor is obtained by means of in-situ forming, a new process of building a complex mesoporous-microporous assembly based on microporous metal-organic skeleton nanoparticles as structural units is provided to observe catalysis of the MOFs nanoparticles on knoevenagel condensation; as water serves as a foaming agent and a green chemical method is adopted to prepare an integral flow-by foam reactor to catalyze an organic reaction, aftertreatment of a catalyst is simplified, loss of the catalyst is avoided, continuous flow-by cyclic catalyzation can also be performed, and a new method is provided for the treatment of environmental pollution and chemical industry.

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 residual plastic film collecting technique, in particular to a mechanism integrating residual plastic film collecting and soil preparing into a whole.A residual plastic film collecting and soil preparing integrated machine comprises a first support which is fixedly provided with a suspension bracket, the first support is connected with one end of a second support through a connecting clamp, one end of a loosening shovel is hinged to the connecting clamp, the first support is provided with a loosening shovel support frame, and the middle of the loosening shovel is supported by the loosening shovel support frame; a film rolling roller assembly is arranged on the portion, over the other end of the loosening shovel, of the first support; the loosening shovel support frame is provided with a film raking tooth; an adjustable rotary tillage assembly is arranged on the portion, close to the connecting clamp, of the first support; the other end of the second support is provided with a land levelling device.According to the residual plastic film collecting and soil preparing integrated machine, integrated implementation of residual plastic film collecting and soil preparing is achieved, labor and time are saved, and the mulching film collecting problem is solved through the comprehensive mulching film treatment process integrating film loosening, film rolling and film collecting.

The invention is a method for adding IC card on-line application, which belongs to computer and information safety technology field. The method is: it uses on-line adding application system, it uses multi-application safety sharing mechanism and encrypted text+ MAC data safe updating method, encrypts the relative data through SSL or VPN mode by mechanism providing added service through communication protocol, and uses the encrypted data in public network to remote client end, the uses can adds the new application on the remote end. The invention has following characters: it solves the card reclaiming problem through on-line and distribution mode, the user can select to add application freely, and it assures the safety of instruction content through encrypted + MAC mode.

The invention discloses a high-content high-universality talcum powder master filler and production equipment and a method thereof. The talcum powder master filler is prepared by 90 to 98 parts of talcum powder, 1 to 2 parts of stearate, 1 to 3 parts of sodium silicate and 3 to 5 parts of water. The content of talcum powder of the master filler can reach 90% to 95%, a great quantity of energy forfusion and plasticization is saved, production cost of the master filler is reduced greatly, and the problem of high-temperature operation environments caused by high temperature equipment is solved.Talcum powder filling content is high, and adding content of the master filler is low in subsequent use, so that adding cost of the master filler is reduced, universality of the talcum powder master filler is realized thoroughly. Since the talcum powder master filler prepared by the method contains no plastic resin, the problem about consistency of matrix during subsequent use can be ignored, andthe high-content high-universality talcum powder master filler can be widely added and used in various talcum powder filling modified plastic products.

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 relates to biological medicine field and in particular relates to a new method to prepare pharmaceutically acceptable salt from fermentation broth of streptomyces sp. The method directly uses alkali carbonate and bicarbonate to prepare clavulanate potassium or other pharmaceutically acceptable salt without producing intermediate compound clavulanic acid. The invention is simple in process and is suitable for industrial production.

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 cable disengaging device, a cable conveying assembly and a timed recycling method. The cable disengaging device is provided with a cylindrical body, and the open end of the body is provided with a limiting end cover; a positioning supporting piece is arranged in the body in the axial direction, a soluble connecting body is installed on the positioning supporting piece, and a variable-diameter connecting body is arranged on the periphery of the soluble connecting body in a clamping connection mode. A cable connecting body axially penetrates through the limiting end cover, and the variable-diameter connecting body is hinged to the cable connecting body. The technical problem that a resistivity monitoring cable is hydraulically conveyed through a non-inner flat drill rod in a coal mine underground bottom plate directional long hole is solved, and the construction convenience of working face bottom plate water-abundance audio electrical method perspective exploration is improved; the recovery problem after the construction of the resistivity monitoring cable is completed is solved, the construction economy of the base plate hole water-abundance audio electrical method perspective exploration is improved, and the technology is more beneficial to popularization and application.

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.

Steam utilization condensate recovery system in the silk workshop of cigarette factory, including boiler (100), deaerator (101), softened water station (102), regular blowdown expansion tank (103), high temperature process equipment (104), low temperature process equipment (105), combined air conditioner (106), flash tank (107), high-pressure condensate recovery tank (108), low-pressure condensate recovery tank (109), first iron removal equipment (110) and second iron removal equipment ( 111). The present invention forms a relatively complete closed cycle from the steam produced by the boiler until the steam is condensed into water and then recycled into the boiler. pollution of the environment.

The present invention is a magnetic biochar reaction device for dechlorination of desulfurization wastewater, including structural units such as a submersible sewage pump, an adsorption reactor, a magnetic separation separator, and a carbon tank. The chlorine-containing desulfurization wastewater undergoes a mixed reaction with magnetic biochar , Magnetic separation can effectively remove chloride ions in desulfurization wastewater, and the used magnetic biochar can be recycled through regeneration steps. Using magnetic biochar to adsorb and dechlorinate, the high adsorption capacity of the adsorbent for chloride ions reduces investment and operating costs, and improves resource utilization; the magnetic biochar adsorbent realizes the separation of powder adsorbent and The separation of waste water reduces the operation difficulty and cost of the overall process, while improving the treatment efficiency; the regeneration of carbon adsorbent and the cascade utilization of new carbon and regenerated carbon further reduce the process cost and realize the optimization of the overall adsorption dechlorination process.

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 invention relates to biological medicine field and in particular relates to a new method to prepare pharmaceutically acceptable salt from fermentation broth of streptomyces sp. The method directly uses alkali carbonate and bicarbonate to prepare clavulanate potassium or other pharmaceutically acceptable salt without producing intermediate compound clavulanic acid. The invention is simple in process and is suitable for industrial production.

The present invention relates to a sequential simulated moving bed method for separating sugar and acid in corn stalk acidolysis solution, which specifically comprises: separating corn stalk acid solution through sequential simulated moving bed chromatographic equipment, and in the separation stage, eight chromatographic columns are connected in series , the liquid in the column is pumped out by the circulation pump under the third column and injected into the fourth column, and the liquid in the fourth column is injected into the fifth column, and the cycle operation is sequential; in the desorption stage, the desorbent enters the upper part of the first column, Sulfuric acid solution is released under the sixth column; in the feed desorption stage, the upper part of the first column enters the desorbent, the upper part of the fifth chromatographic column enters the corn stalk acid hydrolysis solution, and the sugar solution is released under the first column. Sulfuric acid solution is released under the first chromatographic column; the concentration of the separated sulfuric acid solution is 210mg / mL-320mg / mL, and the concentration of the sugar solution is 20mg / mL-41mg / mL; the sulfuric acid solution is concentrated and recovered; the sugar solution is concentrated by filtration. The invention has high sulfuric acid concentration after separation and high sugar solution concentration, solves the problem of sulfuric acid recovery in corn stalk reuse, and has low cost.

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 polyurethane foam loaded with metal organic framework nanocrystals and its preparation and application. It uses polyurethane prepolymer and active amino groups on MOFs for chemical doping, overcoming the long-term challenge of difficult processing of MOFs materials, and converting MOFs into Nanoparticles are uniformly loaded into polyurethane foam, and a foam reactor is obtained through in-situ molding. This provides a new process for constructing complex mesoporous-microporous assemblies using microporous metal-organic framework nanoparticles as structural units. Its effect on The catalytic effect of Knoevenagel condensation, which uses water as the foaming agent and adopts green chemistry methods to prepare an integral flow-through foam reactor, is used to catalyze organic reactions, simplify the post-processing of the catalyst, avoid the loss of the catalyst, and can Continuous flow-through cyclic catalysis provides new ideas for dealing with environmental pollution and the chemical industry.

The invention relates to a method for recycling butyric acid by treating butanol and octanol waste lye. The method comprises the following steps: acidizing butanol and octanol lye through inorganic acid, and recycling an organic phase in the upper layer; absorbing acidic water in the lower layer through a resin tower; when the pH of resin tower acidic outlet water subjected to adsorption treatment is neutralized to be 6 to 9 through lye, and feeding the resin tower acidic outlet water into a sewage treatment plant to be treated or utilizing the resin tower acidic outlet water as acid for neutralization; when resin adsorption is saturated, adsorption is stopped, performing desorption regeneration treatment on the resin, and recycling butyric acid; and performing desorption by virtue of a desorbent flowing back to the resin tower, feeding a desorption solution into a rectifying tower to be subjected to rectification treatment, so as to separate desorbent and coarse butyric acid, recycling the desorbent, and recycling the coarse which serves as a product. The method has the advantages that the CODCr (Chemical Oxygen Demand) of the butanol and octanol waste lye is reduced to lower than 300 mg / L, the total removal rate of CODCr reaches more than 99.0 percent, and treated outlet water can be used as acid for neutralization or can be directly discharged to the sewage treatment plant so as to be subjected to biochemical treatment after being neutralized through alkali, so as to realize up-to-standard release.

The invention discloses a method for efficiently recovering silicon metal in silicon slag, which specifically comprises: crushing and sieving raw silicon slag, and then adding a sodium hydroxide solution with a molar concentration of 18-20 mol / L of 5-10% by mass of the silicon slag, Stir evenly, and stand at a temperature of 30~50°C for 48~72h to obtain material a; add a slagging agent 0.5~1.5 times the mass of material a to material a, stir evenly to obtain material b; put material b at 15~30°C / The heating rate of min is evenly raised to 1550~1750℃, and the temperature is kept for 1~2h until the silicon slag is completely separated from the metal silicon. The metal silicon floats on the top due to its good fluidity and small specific gravity. After the silicon and the silicon slag are separated, the silicon melt is passed through Casting obtains silicon metal with a purity of more than 99.2%. The present invention fundamentally solves the problem of silicon slag recovery, increases the recycling rate of silicon metal in silicon slag to more than 85%, and the silicon content in recovered silicon metal reaches more than 99.2%, and the Fe content in silicon metal is lower than 0.7%, the Al content is less than 0.08%, and the Ca content is less than 0.01%. It has laid a solid foundation for the recovery of silicon slag and the purification of silicon metal.

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.

The invention relates to the field of straw processing equipment, in particular to an efficient processing device of corn straw. The efficient processing device comprises a horizontally-arranged movable mounting plate. A movable wheel is arranged on the right half section of the movable mounting plate, a movable wheel is arranged at the lower left end of the movable mounting plate, a power sourcestructure is fixed to the upper left end of the movable mounting plate, a suspension lifting system is arranged at the left end of the movable mounting plate, and a broken straw collecting bin is arranged at the lower left end of the suspension lifting system. Along with movable breakage and rotary extruding and guiding work, the corn straw is firstly broken and fed, through a prepressing stage, acompression water drainage stage and a compression heating stage, the size of the straw is greatly reduced, meanwhile, eggs in the straw are killed, finally, the straw returns to farmland and is located at certain depth, fertilizer decomposing and next-year farming are convenient, the problem about current-year straw recovery is greatly solved, the organic utilization rate of the straw is increased, the time of recovery treatment is shortened, and the cost of recovery treatment is reduced.

A system and method for continuous hydrogen extraction and reuse of tail gas. The tail gas from the LED epitaxial wafer production process passes through the filter and enters the first heat exchanger or the second heat exchanger to heat the metal hydride that has completed the hydrogen absorption reaction, so that The metal hydride releases hydrogen gas, which enters the water absorption unit after being cooled by the cooling device, and then the tail gas is dried by the water removal unit and enters the first metal hydride reactor or the second metal hydride reactor. The hydrogen in the tail gas and the first metal The hydrogen storage alloy or hydrogen storage single metal in the hydride reactor or the second metal hydride reactor reacts to form a metal hydride which is stored, the impurity gas is pumped away, and the metal hydride is heated by the high-temperature tail gas to release hydrogen. The waste heat of the process tail gas itself is used to drive the dehydrogenation process of the hydrogen storage reactor, which reduces the additional energy consumption required for heating during the temperature swing adsorption process of metal hydrides. The system is equipped with multiple reactors to realize continuous treatment of tail gas, ensuring continuous treatment of process tail gas and production of hydrogen.