33results about How to "High efficiency of separation and recovery" patented technology

The invention discloses a separation settling tank and belongs to the technical field of separation equipment. The separation settling tank comprises a separation tank body, a collection device arranged on the lower portion of the separation tank body and a support used for supporting the separation tank body and the collection device. The collection device communicates with the interior of the separation tank body. One end of the separation tank body is provided with a feed port. The other end of the separation tank body is provided with a storage cavity. The separation tank body is internally provided with a material separation assembly used for separating a plastic mixture and a material shifting assembly used for shifting floating materials. The material separation assembly gets closeto the feed port. The material shifting assembly gets close to the storage cavity. The separation tank body is further provided with a concentration regulation mechanism used for controlling the concentration of a separating medium in the separation tank body. The separation settling tank can automatically separate and recover the floating materials and settling materials, automatically regulationthe concentration of the separating medium and improve the recovery efficiency and quality of plastic products.

The invention discloses a method for recovering indium from waste LCDs. The method comprises the following steps: waste LCD panels containing indium tin oxide are dismounted, crushed and then dissolved in an acid solution, and insoluble substances are removed by filtration; the filtrate obtained in the first step is adjusted to an appropriate pH value and then stands for precipitation, and precipitates are removed by filtration; trivalent indium ions in the filtrate obtained in the second step are selectively adsorbed by aminophosphonic acid chelate resin, and then desorbed by a hydrochloric acid solution to obtain a solution containing trivalent indium ions. The method is simple to operate and friendly to the environment, has a good indium separation effect and satisfies mass production.

The invention relates to a separation and recovery mechanism for aluminum slag, and belongs to the technical field of aluminum slag recovery devices. The separation and recovery mechanism comprises a support, a cover with a smoke exhaust pipe and a feeding hole and a stirring pot, wherein the stirring pot is arranged on the support; and the cover is connected with the support above the stirring pot. The separation and recovery mechanism is characterized by also comprising an automatic stirring device; the automatic stirring device is arranged on the cover and extends into the stirring pot in the cantilever state; and an ash outlet is formed on the lateral part of the stirring pot, and an aluminum metal liquid outlet is formed at the bottom of the stirring pot. By the technical scheme, the labor intensity of workers can be relieved, the separation and recovery efficiency can be improved, and the environment of operating sites can be improved.

The invention discloses a method for recovering sorbic acid from sorbic acid production wastewater, which belongs to the technical field of chemical industry and environment protection. The concentration of residual sorbic acid in the wastewater is between 0.5 to 1.0mg/ml. Dual-network mutual penetration quadric crosslinking modification adsorption resin (XDA-1G) is adopted to dynamically adsorb residual sorbic acid in sorbic acid production wastewater. After the adsorption is saturated, dynamic desorption and distillation is adopted for separation and recovery. The ratio of height to diameter of resin bed in the adsorption column is kept between 5 to 13, the wastewater pH is adjusted to 2.0 to 3.0, control room temperature is no more than 35 DEG C, flow rate of wastewater is controlled to 1 to 2BV per hour, 95% ethanol is used for desorption. Sorbic acid is obtained after distilling desorption liquid and removing ethanol.

The invention discloses a method for comprehensively treating liquid after vanadium precipitation by acid ammonium salt after vanadium extraction from vanadium slag. The method comprises the following steps that alkali is directly added into the liquid after vanadium precipitation, heating is performed for deamination, then a precipitant A is added into the liquid after deamination to enrich vanadium and chromium, and filtering is performed to obtain liquid after chromium removal and vanadium and chromium enriched slag; or a precipitant B is added into the vanadium-precipitated liquid to enrich vanadium, filtering is performed to obtain vanadium-removed liquid and vanadium-enriched slag, then alkali is added into the vanadium-removed liquid, heating is performed for deamination, the precipitant A is added into the deaminated liquid to enrich chromium, filtering is performed to obtain chromium-removed liquid and chromium-enriched slag, and vanadium is regenerated, separated and recycled from the obtained vanadium-enriched slag; and chromium-enriched slag and vanadium-chromium-enriched slag are regenerated and separated to recover chromium and vanadium, the concentrations of V and Cr in the chromium-removed liquid are both larger than 0.5 mg/L, so that the generation of vanadium-chromium reducing slag and ammonium-containing sodium sulfate crystal substances is avoided. The method has the advantages of short process flow, simplicity and convenience in operation, high vanadium and chromium precipitation separation and recovery efficiency, environment friendliness and the like, and is suitable for industrial application.

The invention provides a treatment system and recycling method for phenolic resin based copper clad laminate. The treatment system comprises a first-stage crusher, a second-stage crusher, a grinder, acyclone separator and a separation device sequentially connected, the gas outlet of the cyclone separator is further connected with a dust removal device, the solid outlet of the cyclone separator isconnected with the separation device, the separation device comprises a vibration sieve and an electrostatic separator, an intermediate product collection container is arranged on the electrostatic separator, and the discharging port of the intermediate product collection container is connected with the feeding port of the second-stage crusher. The treatment system can recycle the phenolic resinbased copper clad laminate by adopting a multi-level physical crushing and separation technology, after passing through the dust removal device, the tail gas is purified, the toxic and harmful gas generated in the process of burning the copper clad laminate is avoided, the effective separation of the metal copper and the phenolic resin is achieved, the resource utilization of the phenolic resin powder can be achieved, and the recycling method has high separation recovery efficiency and low treatment costs.

The invention discloses a hydrogen isotope extraction assembly for hydrogen-containing mixed gas under high-temperature conditions. The hydrogen isotope extraction assembly comprises an air inlet pipeline, a separation device and a collection pipeline which are connected in sequence; the separation device comprises a proton conductor ceramic membrane; the structures of the two ends of the proton conductor ceramic membrane are the same and are mutually symmetrical; the proton conductor ceramic membrane is provided with a copper electrode cylinder, the upper end of the copper electrode cylinderis provided with a flange electrode slice, the inner side and the outer side of the copper electrode cylinder are sleeved with an inner side insulating cylinder and an outer side insulating cylinder respectively, the upper portion of the inner side insulating cylinder is connected with an upper insulating ring in sleeving mode, the upper end of the inner side insulating cylinder is connected witha copper gasket, and an end flange is arranged on the upper side of the copper gasket. The problems in the prior art that, the temperature difference required for hydrogen separation of hydrogen-containing mixed gas is too large, the requirement for the mechanical property of existing materials is high, and hydrogen prepared through separation contains too many impurities can be solved, the condition requirement is low, the separation efficiency is high, and reliability is high.

The invention belongs to the field of computers, in particular to an auxiliary recycling device for computer waste batteries. The technical problem to be solved by the present invention is to provide an auxiliary recovery device for computer waste batteries that can save resources, protect the environment, save manpower, and have high separation and recovery efficiency. In order to solve the above technical problems, the present invention provides such an auxiliary recycling device for waste computer batteries, which includes a bottom frame, a separation box, a first bearing seat, a first rotating shaft, a discharge door cover, a first collection frame, a heating plate, The first motor, twisting paddles, etc.; the upper part of the underframe is equipped with a separation box by bolts, the lower end of the separation box is embedded with a heating plate, and the middle of the right end surface of the separation box is equipped with a first motor by bolts. In the present invention, the plastic of the outer layer of the waste computer battery is heated to 70 to 95 degrees Celsius by a heating plate to expand and soften, and then the outer plastic layer of the waste computer battery is rubbed off from the inner granular battery by a rubbing device.

The invention relates to a method for recovering rubidium and cesium in salt lake brine by using a heteropolyacid salt electrode, which comprises the following steps: (1) placing the heteropolyacid salt electrode in the salt lake brine, and applying a reduction potential to obtain the heteropolyacid salt electrode loaded with alkali metal ions; (2) putting the heteropolyacid salt electrode loaded with the alkali metal ions in the step (1) into regeneration liquid, and applying oxidation potential to realize release of the alkali metal ions; the heteropolyacid salt electrode in the step (1) contains a vanadium source; the valence state of vanadium in the vanadium source is + 5. According to the heteropolyacid salt electrode, valence state changes of central elements of the heteropolyacid salt electrode are regulated and controlled through potential, so that alkali metal ions are captured and released, other chemical reagents do not need to be added in the regeneration process, and harmless recovery of rubidium and cesium resources in the salt lake brine is achieved; the heteropolyacid salt electrode is low in preparation cost, high in ion exchange capacity, low in energy consumption in the metal ion recovery process and free of secondary pollution.

The invention belongs to the field of B01J19/00 of IPC classification, and provides a waste cotton-polyester blended fabric separating and recycling device and a recycling process and application thereof. The separating and recycling device is a drum-type separating device, and the drum-type separating device mainly comprises a horizontal rotatable reaction kettle (1), a filtering system (2) and an electric power system (3). The recycling process method mainly comprises the following steps of (1) configuring the drum-type separating device; (2) placing waste polyester cotton and an acidolysis solution; (3) performing mixed acidolysis; (4) filtering and collecting a product; (5) rinsing and spin-drying a fabric; (6) centrifugally drying the fabric; and (7) crushing and drying a filtered product. The separating and recycling method and process provided by the invention are matched with the separating and recycling device provided by the invention, so that the entanglement phenomenon of the textile fabric and a stirring paddle can be effectively avoided, and the phenomena of equipment blockage, mechanical failure and the like are reduced.

The invention belongs to the field of flotation devices, and particularly relates to a prewashing device for plastic recycling. The device comprises a water tank, a spiral piece A, a washing mechanism, a collecting mechanism, and the like, wherein an inner cavity of the water tank is divided into a mounting groove and four continuous flotation grooves in the length direction of the water tank, andtransmission grooves communicating with the mounting groove and the four flotation grooves are formed in the bottom in the water tank. According to the prewashing device for plastic recycling, a flotation liquid medium is single, the problem of mutual pollution and dilution of the liquid medium does not exist, the flotation effect of the prewashing device is obvious, the flotation efficiency is high, and the cost of the single flotation liquid medium is low.