215results about How to "Guaranteed separation efficiency" patented technology

The invention relates to a dielectrophoresis separation system for recycling precious metals, which comprises a mixer, a separation chamber and a collector, wherein the dielectrophoresis separation chamber is in a vertical hexagonal barrel shape; the six edges in the hexagonal barrel are respectively provided with a stainless steel sheet electrode; the center shaft in the hexagonal barrel corresponding to each stainless steel sheet electrode is evenly equipped with an insulated wire electrode; the collector is installed below the insulated wire electrodes; the lower end of the dielectrophoresis separation chamber is coaxially provided with the collector; a funnel organ is installed in the collector corresponding to the lower end of the insulated wire electrode; the funnel organ is communicated with an output pipe; and the lower bottom of the collector is provided with a cyclic outlet. The invention acquires unseparated precious metal granules in precious metal waste by utilizing the unique high selectivity and high controllability in the dielectrophoresis principle in physical chemistry to maximally recycle precious metals and minimize the possible environmental pollution caused by precious metals. The invention provides a brand new environment-friendly high-efficiency continuous separation technology for separating and recycling precious metals in tailings and waste. The invention has the advantages of environmental protection and energy saving, and is beneficial to further separation of precious metals in precious metal lean ores and tailings in China.

The invention belongs to the technical field of refinery dry gas separation and recycling, and relates to a device and a method for recycling carbon 2 in refinery dry gas by the aid of oil absorptionand compression condensation processes. The device comprises an absorption tower, a desorption tower and an ethane tower. Inlet pipelines of the absorption tower include a coking dry gas inlet pipeline and an aromatic hydrocarbon dry gas inlet pipeline, a compressor, a cooler and a liquid separation tank are arranged on the aromatic hydrocarbon dry gas inlet pipeline, and a gas-phase discharge pipeline of the liquid separation tank is connected to the absorption tower; a tower kettle of the absorption tower is connected with the desorption tower; a tower top of the desorption tower is connected with the ethane tower, and a tower kettle of the desorption tower is connected with the upper portion of the absorption tower; an ethane-rich gas discharge pipeline is connected with a tower top ofthe ethane tower, a light hydrocarbon discharge pipeline is connected with a tower kettle of the ethane tower, and a liquid-phase discharge pipeline of the liquid separation tank is connected with theethane tower. The device and the method have the advantages that the contents of hydrogen, methane and components at the levels higher than carbon 3 in ethane-rich gas in products can be controlled by the aid of the method, dryers and propylene refrigeration compressors can be omitted, and accordingly the investment and energy consumption of the device can be reduced.

This invention relates to an efficient continuous process for pollution-free recovery of precious metals by a dielectrophoresis method, which comprises the following steps of: (1) mixing materials in a mixing box; (2) separating in a dielectrophoresis separation chamber; (3) collecting in a collector, wherein the lower end of the dielectrophoresis separation chamber is coaxially provided with the collector; a funnel is arranged corresponding to the lower end of insulated wire electrode in the collector; the funnel outputs precious metals through an output pipe; the bottom of the collector is provided with a loop exit which allows separated suspension to enter the next dielectrophoresis separation chamber for circulating re-separation. Based on the special high selectivity and high controllability of the dielectrophoresis principle in physical chemistry, unseparated precious metal particles in precious metal wastes are captured so as to realize maximum recovery and minimize the degree of contamination that may be caused by precious metals; therefore, the efficient continuous process of the invention is a new environmentally-friendly efficient continuous process for separating and recovering precious metals from tailings and waste, is energy-saving and contributes to the further separation of precious metal lean ores and tailings in China.

The invention provides a micro cyclone separator with a double-side air inlet function and a high-pressure separation device adopting the separator. The micro cyclone separator with the double-side air inlet function comprises an inner pipe and an outer pipe. An air outlet of the cyclone separator is formed in the top of the inner pipe. Part of the lower portion of the inner pipe enters the upper portion of the outer pipe. The top of the outer pipe is connected with the outer wall of the inner pipe in a sealing mode. The micro cyclone separator is characterized in that two air inlets communicating with the interior of the outer pipe are formed in the top of the outer wall of the outer pipe, and the two air inlets extend in the tangential direction of the outer wall of the outer pipe correspondingly and are distributed in a central symmetry mode. By means of the double-side air inlets which are distributed in the tangential direction in the central symmetry mode, the air inlet area is effectively increased, the air inlet efficiency is improved, the medium treating capacity is improved, the pressure drop is reduced, and the separation efficiency is improved.

The invention relates to a mussel processing method. The mussel processing method comprises the following steps: rubbing fresh harvested mussels, unhairing the mussels, cleaning the mussels, sorting the mussels, cooking the mussels, vibrating and discharging the mussels, further opening the opened mussels, separating shells and flesh of the mussels, draining the mussel flesh, laying the mussel flesh on a drying device, drying the mussel flesh by utilizing the drying device to prepare the mussel flesh into dry mussels which are easy to store, and packaging the dry mussels. By adopting the mussel processing method, the efficiency for separating the mussel flesh and the mussel shells can be ensured, and the completeness of the mussel flesh can be ensured.

The invention relates to an oil-gas separator, and belongs to the technical field of automobile engines. The oil-gas separator comprises a separator body, a moving gas gathering chamber, an oil-gas separating part, a pressure adjusting valve, a small load one-way valve, a large load one-way valve, a small load channel and a large load channel; the moving gas gathering chamber is arranged on the left portion of the separator body, and is connected with the oil-gas separating part, the pressure adjusting valve is arranged on the rear side of the oil-gas separating part, the small load channel and the large load channel are formed in the rear side of the pressure adjusting valve, the small load channel is provided with the small load one-way valve, and the large load channel is provided with the large load one-way valve. The one-way valves are directly integrated in the separator body, the oil-gas separating part of the special structure is arranged, oil and gas can be efficiently and thoroughly separated, the separating efficiency is improved, meanwhile,, the structure of the oil-gas separator is simplified, the manufacturing cost of the separator is reduced, the oil-gas separating efficiency is ensured, meanwhile, it is ensured that the pressure difference of the whole oil-gas separator is within the reasonable range, and the engine oil consumption is reduced.

The invention discloses a soil organic restoration device for smart agriculture. A thermal stripping box is clamped to one side of the top end of a supporting frame, a movable roller is placed on the inner side of the thermal stripping box, a discharging hopper is installed on the inner side of the thermal stripping box, a separation limiting plate is connected to the inner side of the thermal stripping box, a concentration sleeve is welded to one end of the thermal stripping box, and a gas conveying pipe penetrates through one end of the concentration sleeve. A gas inlet end of the gas conveying pipe is installed at the top end of a concentration box in a penetrating mode, a gas outlet pipe penetrates through one end of the movable roller, and a gas outlet end of the gas inlet pipe is installed at the bottom end of a separation box in a penetrating mode. Through a conveying belt, the movable roller and the gas conveying pipe, generated steam is exhausted while soil is subjected to thermal stripping, the moisture content in the thermal stripping box is reduced, and meanwhile, heat is recycled for the second time, so that the movable roller is heated, the temperature of the movable roller is guaranteed, soil is heated while the conveying belt is dried, the soil is prevented from being attached to the surface of the conveying belt, and the treatment effect of the soil is guaranteed.

The invention relates to a mussel processing system. The mussel processing system comprises a feeding mechanism, a kneading apparatus, a cleaning apparatus, a grading apparatus, a cooking apparatus, avibrating and discharging apparatus, a shell-flesh separating apparatus, an unhairing apparatus and a mussel mouth opening apparatus, wherein byssus, sand and bur on the surface of the mussels are separated from the mussel shell by utilizing the kneading apparatus, the kneaded mussels are guided into the cleaning apparatus to be cleaned, so that separated mussels with clean surface can be obtained, the separated mussels having clean surfaces are guided into the grading apparatus to be graded according to the size, the graded mussels are separately guided into the cooking apparatus to be cooked to make the mussels open, and the opened mussels are guided into the vibrating and discharging apparatus, so that the opened mussels are separately guided into the shell-flesh separation apparatus,the flesh in the opened mussels is separated from the mussel shell, so as to obtain the mussel flesh, and the mussel flesh is dried to obtain dry mussel flesh; and by adopting the mussel processing system, the efficiency of separating the flesh and shell can be improved, and the completeness of the mussel flesh can be ensured at the same time.

The invention relates to a pipe groove type liquid distributor applied to a flue gas desulfurization tower. The pipe groove type liquid distributor is composed of a liquid inlet tube, a liquid distributing pipe, a first-stage groove and a second-stage groove which are engaged with each other, wherein the liquid distributing pipe is divided into two stages which are engaged up and down through a middle partition board with variable interval equant liquid distributing holes; a second-stage bottom surface is provided with equal interval equant liquid distributing holes and liquid sealing pipes; the outlet end of each liquid sealing pipe is provided with a buffer; the bottom of the first-stage groove is provided with the second-stage groove vertical to the first-stage groove in a long axis direction at the middle position between corresponding adjacent liquid sealing pipes; uniform section rectangular liquid distribution liquid sealing pipes respectively inserted in each second-stage groove are arranged at the bottom of the first-stage groove; upper and lower liquid discharge holes at equal intervals are formed in both side groove boards of the second-stage groove; an anti-blocking baffle board is arranged inside each upper liquid discharge hole, and a flow guide groove board correspondingly engaged with a wire distributing board is arranged outside each upper liquid discharge hole; and a liquid distributing board is arranged at the lower part of each lower liquid discharge hole of the second-stage groove. The pipe groove type liquid distributor has the characteristics of liquid distribution uniformity, impact foam generation prevention, entrainment prevention and blockage prevention, and can be widely applied to large, middle and small containers for absorption and distillation such as flue gas desulfurization.

The invention relates to the field of dry gas treatment, and particularly discloses a method for recycling C-2 in dry gas of a refinery. The method includes: 1), subjecting aromatic hydrocarbon dry gas to compression treatment and cooling phase-splitting treatment sequentially; 2), feeding coked dry gas into a coked dry gas compressor for compression treatment, and a gaseous phase obtained throughcooling phase-splitting treatment into a segment or an outlet of a coked gas dry gas compressor; 3), cooling mixed dry gas gathering at the outlet of the coked dry gas compressor, and using C-4 fraction as an absorbing agent for absorbing treatment in an absorbing tower; 4), feeding a liquid phase obtained by cooling phase-splitting treatment in the step 1) and tower kettle material flow of the absorbing tower into a desorbing tower for desorbing treatment. The method is high in C-2 recycling rate, a propylene refrigerating system and a drying system are not needed, components above C-3 in product gas are low in content, and the method has the advantages of low energy consumption and little investment.

Disclosed is a method for treating a radioactive waste solution containing a sodium salt which comprises: a waste solution-reducing step for partially reducing sodium nitrate contained in the radioactive waste solution to thereby convert the radioactive waste solution into a reduced solution containing at least one compound selected from sodium hydroxide, sodium hydrogen carbonate and sodium carbonate; and an electrodialysis step for supplying the reduced solution to an anode chamber in an electrolytic tank, in which an anode and a cathode are provided on either side of a permeable membrane that selectively allows the passage of sodium ion, and electrodialyzing the reduced solution. The method for treating a radioactive waste solution is characterized in that: in the electrodialysis step, sodium ion having passed through the permeable membrane is separated and recovered as sodium hydroxide in the cathode chamber; a radioactive substance remaining in the anode chamber is separated as a concentrated radioactive substance solution; the thus separated sodium hydroxide and concentrated radioactive substance solution are each recovered; and the formation speed of at least one compound selected from sodium hydroxide, sodium hydrogen carbonate and sodium carbonate in the waste solution-reducing step is equalized to the recovery speed of sodium ion in the electrodialysis step. Also disclosed is a device for treating a radioactive waste solution.

The invention relates to the technical field of garbage treatment, in particular to a black soldier fly larva screening device for treating kitchen garbage. According to the technical scheme, the black soldier fly larva screening device for treating the kitchen garbage comprises a hollow shell, and a separation part is arranged in the shell; the shell is divided into a feeding cavity and a transition cavity by the separation part, and the separation part is provided with a plurality of channels for black soldier fly larvae to pass through; the feeding cavity is provided with a feeding port capable of being opened and closed; the transition cavity is provided with an air inlet and an air outlet, and the air outlet is used for being connected with a negative pressure fan; and the transitioncavity is further connected with an insect storage cavity, the upper end of the insect storage cavity is communicated with the lower end of the transition cavity, the air outlet is located above the insect storage cavity, and an insect taking door is arranged at the bottom of the insect storage cavity. According to the black soldier fly larva screening device, hatched larvae and hatched bases canbe rapidly separated, it is guaranteed that when the black soldier fly larvae are thrown into the kitchen garbage, accurate metering is achieved, the larva screening efficiency is improved, and then the treatment efficiency of the kitchen garbage is guaranteed.

The invention belongs to the technical field of environment-friendly equipment and especially relates to a combined type mobile grain dust remover. The combined type mobile grain dust remover comprises a cyclone body, a grain filtering bed and a dust collecting hopper and is characterized in that the dust collecting hopper is arranged under the cyclone body; the grain filtering bed is arranged on the inner side of the cyclone body; an inner filter screen and an outer filter screen are respectively arranged on the two sides of the grain filtering bed; the outer filter screen is located between the cyclone body and the grain filtering bed; an air inlet is arranged above the cyclone body; an air outlet is arranged above the grain filtering bed; a separating screen is arranged above the dust collecting hopper; one side of the separating screen is higher than the other side; the lower side of the separating screen extends out of the dust collecting hopper and is communicated with a storage box; the storage box is communicated with the top of the grain filtering bed through a filter material conveying pipeline. The combined type mobile grain dust remover has the beneficial effects that the two principles of cyclone separation dust removal and grain filtering dust removal are combined with each other, a secondary separating function is realized in one device, the problem of low dust removing efficiency of the grain dust remover is solved and the occupied area is small.

The invention discloses an oil field steam injection boiler steam dryness increasing device, and mainly solves the defect of low thickened oil production efficiency due to insufficient dryness of steam provided by a traditional oil field steam injection boiler. The oil field steam injection boiler steam dryness increasing device is characterized in that a steam dryness increasing pipeline (2) includes a boiler steam outlet (1), a high-pressure steam and water separator (4) and a sampling separator (5); boiler steam passes through a high-pressure stop valve A (3) by the boiler steam outlet (1) to enter the high-pressure steam and water separator (4); and high-dryness steam separated by the high-pressure steam and water separator (4) enters the sampling separator (5), and passes through a pressure transducer A (6), a one-way valve (7) and a high-pressure stop valve B (8) in sequence to enter a steam injection pipe network through a steam injection pipe network joint (30). The oil field steam injection boiler steam dryness increasing device can increase the steam dryness by above 95% so as to improve the thickened oil production efficiency.

The invention discloses a dust cup and a dust collector provided with the dust cup. The dust cup comprises a dust cup main body, a passage piece and a spiral passage piece, wherein an air inlet is formed in the bottom of the dust cup main body and an air outlet is formed in the top of the dust cup main body; the passage piece is arranged in the dust cup main body; the lower end of the passage piece is connected to the air inlet, and the upper end of the passage piece is connected to the air outlet; a dividing piece is arranged in the passage piece, so that the interior of the passage piece isdivided into an air outlet passage and an air inlet passage which is arranged under the air outlet passage; a plurality of through holes are formed in the sidewall, corresponding to the air outlet passage, of the passage piece, and a communicating port is formed in the sidewall, corresponding to the air inlet passage, of the passage piece; one end of the spiral passage piece is connected to the communicating port and the other end of the spiral passage piece extends upwards in a spiral form along the axial direction of the passage piece until to the sidewall of the dust cup main body; and theother end of the spiral passage piece communicates with the interior of the dust cup main body. The dust cup provided by the invention is simple in structure and convenient for cleaning; and the dust-gas separating efficiency of a dust collection device can be improved, and pressure loss can be reduced.

The invention discloses an electrospray ionization mass spectrometry interface device with tiny dead volume and a utilization method thereof. The interface device comprises an analysis capillary tube,a sheath flow capillary tube, a sheath flow connection tube, a connection component and an electrode. A sheath flow solution storage container and the sheath flow capillary tube are connected throughthe sheath flow connection tube, the connection component is used for assembling the analysis capillary tube and the sheath flow capillary tube into a sleeve structure, and the electrode is used forproviding power for electrospray. The interface device has advantages that by design of processing the thin-wall analysis capillary tube, the small-outlet sheath flow capillary tube, laminar sheath fluid surface flow and the like, the interface dead volume can be sharply decreased, sample separation efficiency is guaranteed, and the service life of the interface device is prolonged.

The invention relates to the technical fields of environmental protection and resource cyclic and comprehensive utilization, in particular to an application method of a circulating fluidized bed roasting rotary integrated furnace. The application method is characterized in that a roasting excitation rotary furnace and a circulating fluidized bed coal-fired furnace are included; by means of a guiding pipe designed to be arranged beside an outlet of a material return pipe, the local bore pressure of the outlet of the material return pipe is reduced, and thus the material column height of a vertical pipe is reduced; and the purposes that materials are balanced, and separation efficiency is guaranteed are achieved, and the circulating fluidized bed coal-fired furnace and the roasting excitation rotary furnace can be effectively combined and operate normally. High-temperature flue gas carries fly ash of the circulating fluidized bed coal-fired furnace to enter an ejector through a hot air channel, is mixed with materials such as a guiding agent and then is guided by a flow dividing cone to pounce at spiral blades of a distributor and tossed to the inner wall of a rotating excitation rotary barrel body in the rotation tangential direction of the spiral blades under the effect of centrifugal force; and a high-aluminum ball stacking layer suspends in the rotating excitation rotary barrel body, and mutual rubbing and grinding are conducted, so that kaolin finished product particles are obtained.