96results about How to "Realize recycling and reuse" patented technology

The invention discloses a method for efficiently extracting thorium ions from water phase and efficiently reversely extracting the thorium ions from ion liquid phase by combining with the ion liquid extraction-supercritical CO2 reverse extraction technology. The method adopts ion liquid as thinner and adopts CMPO as extraction agent to efficiently extract out the thorium ions from water solution, and the extraction distribution ratio is up to more than 103; then from an ion liquid system loaded with the thorium ions, the efficient reverse extraction of the thorium ions in different ion liquid extraction systems with acetonitrile solution of TRPO as entrainer by using the supercritical CO2 extraction technology, and the reverse extraction efficiency can be up to more than 99 percent. The method adopts the ion liquid as the thinner, so that the extraction capacity of the system to the thorium ions can be largely improved. sc-CO2 is used as the thinner in the reverse reaction process, so that the loss of the ion liquid in the reverse extraction process can be furthest reduced, the pollution to the ion liquid is avoided, and the reverse extraction efficiency is improved.

The invention provides a deviated well in-situ combustion continuous-tube electric ignition tubular column and an ignition method. The tubular column comprises an oil tube, wherein an electric ignition cable and a monitoring cable are arranged in the oil tube; at least one guiding and centering device is arranged between tube sections of the oil tube; a guiding and limiting stopper is arranged on the bottom end of the oil tube; the electric ignition cable penetrates through the guiding and centering device so as to be suspended in the oil tube; the bottom end of the electric ignition cable is connected with an electric igniter; the electric igniter is supported in the guiding and limiting stopper; the monitoring cable respectively penetrates through the guiding and centering device and the guiding and limiting stopper so as to be suspended in the oil tube; the bottom end of the monitoring cable is stretched out of the oil tube so as to be connected with a sensor. Therefore, air can be heated uniformly during a highly-deviated well ignition process, and the highly-deviated well ignition effect is improved; in addition, the monitoring cable is arranged in the oil tube, so that the monitoring cable cannot be stuck by a packer during the process of pulling out the oil tube, the recycle and the reuse of the monitoring cable are realized, and the investment cost is reduced.

The invention relates to a zero-coal-consumption activated carbon production process and a production device used in the process. The production device comprises activation equipment, rinsing equipment and finished product drying equipment, wherein the activation equipment comprises a primary activation equipment and a secondary activation equipment, and the primary activation equipment comprises a primary activation furnace and a primary activation waste heat steam boiler which are connected by a first smoke conveying pipeline and a first vapor conveying pipeline; and the secondary activation equipment comprises a secondary activation furnace and a secondary activation waste heat steam boiler which are connected by a second smoke conveying pipeline and a second vapor conveying pipeline, and a third smoke conveying pipeline is connected between the secondary activation waste heat steam boiler and the primary activation furnace. In the invention, the activation process of the activated carbon are divided into two steps which are sequentially carried out in two sets of activation equipment; therefore, heat generated by the activation reaction of activated carbon is fully recycled so as to realize the ' zero coal consumption' in the production process of activated coal.

The invention relates to a novel sewage treatment apparatus. The apparatus comprises a sewage inlet pipeline, a sewage treatment tank and a water draining pipeline, the middle portion of the sewage treatment tank is provided with a separator plate, the separator plate divides the sewage treatment tank into a left treatment chamber and a right treatment chamber, the separator plate is a hollow cavity structure, the lower portion of the left sidewall of the separator plate is provided with a left water inlet, the upper portion of the right sidewall of the separator plate is provided with a right water outlet, a stainless steel screen frame and a double layer filter screen are sequentially arranged in the left treatment chamber from top to bottom, the right sidewall is also provided with a first magnet and a second magnet, an active carbon filter layer and a cation resin exchange filter layer are sequentially arranged in the right treatment chamber from top to bottom, and the top end is provided with an ultraviolet generator and a medicine adding mouth. The novel sewage treatment apparatus adopting the above structure realizes efficient treatment of wastewater, and greatly reduces pollution substances or impurities in treated water in order to further realize cycle treatment and reuse of sewage.

This invention relates to engine, specificly, which is a rotary engine as a whole to resolve the existing unreasonable and complex structure design and low efficiency problem of the rotary engine. The entire rotating engine includes two circular cavity within the cylinder block and cylinder head fixed with before and after lids. The cylinder head and cylinder block in the two circular cavity through the center has a bearing on the support of before and after lids which can rotates at the same time. These two are fixed on a rotating shaft rotary piston round and seal rotating round. Before and after the end surface of cylinder head are equipped with separate exhaust vent, gas mixture into the pores, a fresh gas hole and fresh gas into the hole. At the two ends of rotary piston has former valve gear and after valve gear with stomata above. The whole structure of the rotary engine is scientific-designed and rational. The main part of campaign activities components are one-way rotary movement, no swing, reciprocating movement components. It can be widely applied to cars, motorbikes and other areas of power-needed.

The invention discloses a belt replacing method for coal mine belt conveyors. According to the method, the system structure of the two existing belt conveyors and the roadway environment structure are utilized, a double-speed prop pulling hoist is mounted on each conveyor head, new belts and used belts are mechanically connected by fully utilizing traction force of the prop pulling hoists and the two belt conveyors, and the used belts slide to drag the new belts to slowly enter the belt conveyors; and after the new belts and the used belts are circulated for a circle, replacing of the used belts with the new belts is achieved, and meanwhile, recycling of the whole used belts is achieved. By means of the method, synchronous replacement of the belts of the two cross-heading conveyors for a coal mine is achieved, and the method has the construction advantages of safety, high efficiency and time and labor saving, and promotes safety production of the mine.

The invention discloses a method for recovering metal elements in waste lithium ion batteries, which comprises the following steps: (1) dispersing mechanically-pulverized waste battery powder in a sodium hydroxide solution for dissolution, and carrying out swirl separation to obtain plastic powder and carbon powder from the upper layer of the solution and obtain copper powder and electrode powder from the lower part; (2) obtaining an aluminum hydroxide precipitate; (3) obtaining copper sulfate solid powder; (4) obtaining a lithium carbonate precipitate; (5) and obtaining cobalt oxalate. The method comprehensively separates the metal elements cobalt, copper, aluminum and lithium in the battery powder; the aluminum hydroxide, copper sulfate, cobalt oxalate and lithium carbonate prepared by the method have the advantages of high uniformity and high crystallinity; and the method implements recovery and reutilization of the battery materials, and is low in cost and suitable for industrialized large-scale production.

The invention discloses a nano-fiber supported cobalt-silver alloy material. Nano-fiber is prepared with an electrostatic spinning method, cobalt particles are prepared with an impregnation chemical reduction method, a cobalt-silver alloy is prepared with an oxidation reduction method and supported on the nano-fiber, and the nano-fiber supported cobalt-silver alloy material is obtained. The preparation method of the nano-fiber supported cobalt-silver alloy material comprises steps as follows: 1) the nano-fiber is prepared with the electrostatic spinning method; 2) the cobalt particles are firstly prepared with the impregnation chemical reduction method; 3) the cobalt-silver alloy is prepared with the oxidation reduction method and supported on the nano-fiber. When the material is used as a catalyst for preparation of hydrogen through ammonia borane hydrolysis, hydrogen desorption is completed in 40 min, the hydrogen desorption rate is high, cycle tests indicate that the material has good cycle performance. The nano-fiber exists in the form of a cylindrical shape and has a high specific surface area and stable properties, the cobalt-silver alloy is uniformly and stably supported on the nano-fiber, is uniformly dispersed, does not agglomerate and can quickly catalyze ammonia borane to be hydrolyzed for hydrogen preparation, and accordingly, the material has broad application prospects in hydrogen preparation, fuel cells and other fields.

The invention relates to a treatment method for resource utilization of waste liquid in production of graphene oxide. The treatment method comprises the following steps of (1) pretreating the wastewater, so as to obtain wastewater A; (2) evaporating and crystallizing the wastewater A, and filtering, so as to obtain crystals, condensate water I and wastewater B; washing and drying the crystals, soas to obtain manganese sulfate crystals; (3) distilling and concentrating the wastewater B under a vacuum condition, so as to obtain condensate water II and recycled acid; returning the condensate water I, the condensate water II and the recycled acid back into the production technology for recycling. The treatment method for the resource utilization of the waste liquid in the production of the graphene oxide has the advantages that the characteristic of dissolving degree of the manganese sulfate in sulfuric acid is utilized, and the crystals are removed by the evaporation and crystallizationtechnology, so as to obtain the manganese sulfate; the obtained wastewater in the separating process is concentrated into finished acid, and the finished acid and the condensate water produced in theevaporation process are returned back into the production process for recycling, so as to realize the purposes of zero drainage and high-efficiency recycling of the wastewater in the production process of the graphene oxide.

The invention discloses a device capable of repeatedly utilizing pore water pressure gauges. The device comprises a plurality of steel pipes arranged from top to bottom. A filter pipe is arranged between every two adjacent steel pipes. The upper end and the lower end of each filter pipe are connected and fixed to the two corresponding steel pipes respectively through two connecting sleeves so as to form a pipe structure of the whole device. A bottom end sleeve is arranged at the bottom of the steel pipe at the lowest end of the pipe structure, and a top end sleeve with an opening in the upper portion is arranged on the top of the steel pipe at the uppermost end of the pipe structure. Holes are formed in the side walls of the filter pipes of the pipe structure. The side walls of the filter pipes are wrapped by non-woven fabric. Each filter pipe is internally provided with one pore water pressure gauge. Wires of the pore water pressure gauges are led out of the opening in the upper portion of the top end sleeve. According to the device, the multiple pore water pressure gauges are embedded in one single drill hole. Meanwhile, the device is convenient to assemble and disassemble, and it can be guaranteed that the pore water pressure gauges are not damaged in the monitoring process. The invention further discloses a manufacturing method of the device capable of repeatedly utilizing the pore water pressure gauges.

The invention aims at providing a zero-emission cooking fume purifying treatment and air conditioning integrated stove. The kitchen ventilator theory, the air conditioning theory and the air purifyingtheory are combined, cooking fume exhausted out of a kitchen is separated, purified, recycled and exhausted without pollution, and the problems that in the prior art, an integrated stove is poor in cooking fume separation effect, low in oil contamination recycling rate, high in kitchen temperature, poor in kitchen air quality, inconvenient to mount and troublesome in cleaning are solved.

The invention discloses an automatic packaging machine for concrete products for maritime work. The automatic packaging machine comprises an installation box. The upper surface of the installation boxis fixedly connected with a conveying barrel. The interior of the conveying barrel is rotationally connected with a spiral conveying shaft. The middle of the rear surface of the spiral conveying shaft is fixedly connected with a first motor, and the output end of the first motor transversely penetrates through the conveying barrel and is fixedly connected with one end of the spiral conveying shaft. The lower surface of one end, away from the first motor, of the conveying barrel is fixedly connected with a discharging barrel, and the discharging barrel communicates with the conveying barrel. The upper surface of one end, corresponding to the first motor, of the conveying barrel is fixedly connected with a hopper, and the hopper communicates with the conveying barrel. According to the automatic packaging machine, height adjustment can be achieved according to packaging bags of different specifications, packaging is facilitated, the situation that dust flies in the air during packaging,flying dust is caused, and air is polluted can be avoided, and waste is avoided.

The invention relates to a rapid cooling device and a cooling method for a furnace lining. By the device and the method, not only a steelmaking furnace lining can be rapidly cooled, but also resources are not wasted. The device comprises the furnace lining in which a heat absorption coil consisting of a plurality of circles of water-cooled coiled pipes is arranged. A water inlet of the heat absorption coil is communicated with an outlet of a water cooling recovery tower through a water inlet pipe. An inlet of the water cooling recovery tower is communicated with an outlet of the heat absorption coil through a water returning pipe. The device and the method have the advantages that: the steelmaking furnace lining can be rapidly cooled, cooling water can be recovered and recycled, water resources are saved, and an environment is protected.

The invention relates to a fireproof sealing depth control device, which comprises a bearing plate, wherein a through hole for a cable to penetrate through is formed in the middle of the bearing plate; an opening communicating with the through hole is formed in the bearing plate; a hoop for tightly holding a cable is arranged on the bearing plate; a space for being filled with a fireproof blocking material is arranged in the hoop; a fixing plate for clamping the bearing plate on a protective pipe is arranged on the bearing plate. The fireproof sealing depth control device provided by the invention has the advantages that the cable is arranged in the through hole of the bearing plate, and is tightly held by the hoop, and the space of the hoop is filled with the fireproof blocking material, so that the friction forces between the fireproof blocking material and the cable as well as the fireproof blocking material and a pipe wall can be effectively increased, the control device is enabled to have the weight for bearing the fireproof blocking material, the repaired fireproof blocking material can be effectively prevented from sliding downwards along an inner wall of the protective pipe, a use effect of the fireproof blocking material of the cable is fully played, the safety operation of the cable is effectively protected, the installation time and the maintenance time are saved, and the cost is saved.