8results about How to "Improve purification rate" patented technology

The invention relates to the technical field of preparation of integral foam metal catalysts, in particular to a lattice distortion induced catalyst for catalytic oxidation of acetone and a preparation method thereof, and the preparation method comprises the following steps: step 1, selecting and cutting raw materials; step two, acid pretreatment and cleaning; 3, preparing a solution; step 4, hydro-thermal synthesis; 5, washing and drying the catalyst; and 6, performing electrothermal induction on the catalyst. The lattice distortion induced monolithic catalyst for electrothermal concerted catalytic oxidation of acetone is prepared in a hydrothermal synthesis manner, active component loading and electronic structure regulation are synchronously realized, energy consumption is remarkably reduced in catalytic oxidation of acetone, the problems of catalyst sintering and active center inactivation are relieved, and the method is suitable for industrial production. And the activity at low temperature is improved.

This invention relates to the field of high-purity aluminum purification technology and discloses a high-purity aluminum vacuum purification device, including a support and a crucible fixedly connected to the top of the support. The crucible has several release grooves on its bottom circumference, a heating assembly is arranged around the crucible, a sealing cover is movably hinged to the top of the crucible, an air extraction port is provided at the upper end of the sealing cover, a locking ring is rotatably connected to the bottom of the sealing cover, and several locking grooves are arranged around the outer circumference of the locking ring. Several locking blocks arranged in a circumferential array are fixedly connected to the inner wall of the top of the crucible. This invention, through the automatic closing and locking assembly of the sealing cover, can control the uniform pressure applied to all parts of the sealing cover edge, resulting in rapid and reliable sealing operation, thereby enhancing sealing performance and improving purification quality. Furthermore, without affecting purification quality, it greatly increases the purification rate of high-purity aluminum, achieving uniform cooling of the aluminum ingot from the core to the outer wall, ensuring the stability of directional crystallization.

The utility model discloses an outdoor circulating culture system which comprises a plurality of culture ponds, a water inlet pipe is fixedly installed at the top of one side of each culture pond, a plurality of sewage collecting pits are arranged in the culture ponds, the sewage collecting pits are communicated with a sewage discharging pipe, the sewage discharging pipe is communicated with a main sewage discharging pipe, one side of the main sewage discharging pipe is communicated with a water discharging pipe, and the other side of the main sewage discharging pipe is communicated with a water outlet pipe. The other side of the main blow-off pipe is communicated with a U-shaped water return pipe; a first water pump is fixedly mounted in the middle of the U-shaped water return pipe, an aquatic plant purification tank, a sedimentation tank, a filter tank, an anaerobic tank and an ultraviolet disinfection tank are sequentially connected from right to left along the flow of water, the other side of the ultraviolet disinfection tank is communicated with a second return pipe, and the second return pipe is communicated with a second water pump; the second water pump communicates with the water inlet pipe through a flow guide pipe. According to the utility model, closed water circulation of single circulation can be realized, the overall water circulation benefit is increased, the effects of energy conservation and carbon reduction are achieved, the structure is simple, the maintenance is easy, and the economic productivity of agriculture and fishery is improved.

The utility model relates to the technical field of quartz sand purification, and discloses a quartz sand high-temperature activating and purifying device which comprises a working box and a heating box, the heating box is fixedly connected to the bottom of an inner cavity of the working box, and a discharging mechanism used for discharging quartz sand is arranged at the bottom of the working box; a filter plate is slidably connected to an inner cavity of the heating box, connecting blocks are fixedly connected to the two sides, away from each other, of the bottom of the filter plate, transmission rods are rotatably connected to the bottoms of the connecting blocks through rotating shafts, and rotating discs are rotatably connected to the two side walls, away from each other, of the inner cavity of the heating box; connecting rods are rotationally connected to the eccentric positions of the side walls, close to each other, of the two rotating discs, each connecting rod is rotationally connected with one end of a transmission rod, and a rotating rod is fixedly connected between the side walls, close to each other, of the two connecting rods; according to the scheme, quartz sand can be uniformly heated, the purification rate of the quartz sand is increased, and the quartz sand is convenient to discharge and use.

This invention relates to the field of desulfurization technology for reclaimed rubber, specifically a desulfurization treatment device and method for waste tire reclaimed rubber, comprising: a treatment tank, on which a gas guide pipe is installed, the gas guide pipe having an "L"-shaped structure; a support arm, connected to the gas guide pipe, the support arm having multiple pressure relief ports equidistantly arranged on one side facing the bottom of the treatment tank; a pressure sensing component, connected to the gas guide pipe, the pressure sensing component being able to drive the support arm toward or away from the bottom of the treatment tank according to the pressure in the gas guide pipe; a guide plate, disposed in the treatment tank and cooperating with the pressure relief ports, enabling the gas and liquid in the treatment tank to rotate; and a linkage component, connecting the pressure sensing component and the guide plate, the linkage component being able to drive the guide plate to rotate to change its deflection angle when the pressure in the gas guide pipe changes, thereby increasing the retention time of the waste gas in the purification liquid and improving the treatment effect.

The invention discloses a multi-stage separation anaerobic reactor to avoid clogging, and relates to the technical field of sewage treatment. The multi-stage separation anaerobic reactor to avoid clogging is characterized in that: the anaerobic reactor comprises a water supply tank and an air supply tank, a supply pump is arranged in the water supply tank, the supply pump is connected with the reaction tank through a pipeline, the air supply tank is connected with the reaction tank through a conduit, a multi-stage separation plate is arranged in the reaction tank, a gas-liquid separator and a sludge gathering plate are arranged on the multi-stage separation plate, a plurality of reflow grooves are arranged on the inner wall of the reaction tank, the reflow grooves are connected with the sludge gathering plate, a sludge bed is arranged in the reaction tank, a sludge discharge component is arranged in the sludge bed, the sludge discharge component is connected with the sludge bed, a sludge bed is arranged on the sludge bed, an expansion motor is arranged on the sludge bed, an expansion stirring wheel is arranged on the output end of the expansion motor, a waste gas recovery cylinder is arranged on the top of the reaction tank, a recovery pump is arranged in the waste gas recovery cylinder, and the invention has the effects of automatic impurity removal and multi-layer sludge aggregation.

The purification unit comprises a plurality of first electrodes and a plurality of second electrodes, the first electrodes and the second electrodes are hollow pipes with different diameters, the first electrodes and the second electrodes are coaxially sleeved and are sequentially and alternately arranged in the direction from the axis to the periphery, and the purification unit further comprises an upper connecting support and a lower connecting support. The upper connecting support is arranged at one end of each first electrode and electrically connects and fixes the first electrodes together, the lower connecting support is arranged at one end of each second electrode and electrically connects and fixes the second electrodes together, and a first opening is formed between the other ends of the adjacent first electrodes. A second opening is formed between the other ends of the adjacent second electrodes, the plurality of first electrodes connected together are inserted between the plurality of second electrodes connected together from the second opening, and the plurality of second electrodes connected together are inserted between the plurality of first electrodes connected together from the first opening, and the first electrodes and the second electrodes are alternately arranged in sequence.

The utility model discloses a kind of buried town domestic sewage treatment equipment, including processing box, the inside of processing box is separated out collection chamber I and collection chamber II by baffle I and baffle II, filter screen is movably installed between baffle I and processing box side wall, filter screen small mouth end is communicated with inlet pipe by swivel joint, other end is communicated with collection chamber I, filter screen outside is engaged connection by synchronous belt and the synchronous pulley meshing of motor I output end is equipped, lifting frame is equipped in processing box, and electric telescopic link I one end is fixedly connected in the periphery of lifting frame. The utility model is by the filter screen of rotation cooperation multistage baffle, realize solid-liquid separation, utilize the self-cleaning purpose of solid waste self-weight in the process of rotation, and cooperate oil absorption mechanism, can clean oil adsorption on sewage surface layer, avoid grease condensation in processing box influence subsequent purification step, greatly improve the purification efficiency of domestic sewage.