10results about How to "Fully settled" patented technology

The present invention belongs to the technical field of wastewater treatment, and discloses a high-efficiency device for treating hydrometallurgical wastewater and a treatment process thereof; the device comprises a treatment box, a side wall of the treatment box is connected and fixedly connected with a water inlet pipe, and a valve is installed on the water inlet pipe. The present invention provides a plug flow circulation component and an auxiliary sedimentation component, after the mixed liquid of wastewater and treatment agent is put into the treatment box, the first motor is started to drive the rotating blade to rotate, and the rotating blade can push the wastewater forward, so that the wastewater moves in the direction of the first inclined plate and the second inclined plate. Due to the effect of the partition plate, the wastewater forms a cycle in the treatment box, and the floccules and sediments in the wastewater are constantly in contact with the first inclined plate and the second inclined plate during the circulation process, thereby increasing the contact time and opportunity between the suspended matter and the inclined plate, which is conducive to the sedimentation of the suspended matter, and the plug flow circulation can also make the treatment agent and the wastewater fully mixed to prevent stratification due to static sedimentation.

The invention relates to the technical field of sewage treatment, in particular to an industrial sewage sample pretreatment method and device.The method comprises the steps that a sewage sample is input into a sedimentation tank, and suspended solid particle data and oil concentration in water of the sewage sample are obtained; setting stirring parameters and settling time according to the suspended solid particle data, and stirring according to the stirring parameters in the settling process; after the settling time is up, pumping the water sample in the settling tank and conveying the water sample to an emulsifying tank; adjusting an emulsification parameter according to the oil concentration parameter in water, and emulsifying; in the emulsification process, the particle size distribution of oil molecules is obtained in real time to obtain the emulsification degree; and judging whether emulsification is completed or not based on the emulsification degree.

The utility model discloses a kind of desulfurizer mixing devices with helical propeller, belong to flue gas desulfurization field, including mixing tank, the mixing tank includes straight cylinder cavity and conical cavity, the straight cylinder cavity is integrally formed with conical cavity, the mixing tank inside is provided with helical propulsion mechanism for material mixing, the mixing tank top is provided with feed inlet, the utility model structure is relatively simple, maintenance is convenient, by the helical propulsion mechanism of being set, by the rotation of helical blade, cooperate with the baffle of being set, rapidly form a severe, dead corner-free large-scale axial circulation flow field in whole mixing tank, and shear force, so that solid particles can be quickly wetted and dispersed by liquid, cooperate with the rotation of stirring blade and bottom scraper, by the rotation of bottom scraper, the solid particles possibly settled or accumulated in conical cavity inner wall dead corner place are scraped, cooperate with the rotation of stirring blade and stirring, it is favorable to improve the quality and efficiency of mixing.

The invention belongs to the technical field of graphite dust treatment, and particularly relates to a graphite dust removal device with a dust conduction prevention function, which comprises a treatment chamber, a settling chamber and an air inlet flow guide assembly, the air inlet flow guide assembly comprises a hollow shaft; a group of reversing wheels are uniformly distributed on the surface of the hollow shaft; an air groove is formed in the reversing wheel; a group of spirally distributed air holes are formed between the air groove and the outer side of the reversing wheel; a group of shifting pieces are uniformly distributed on the surface of the reversing wheel; air is injected into the air inlet flow guide assembly in the treatment chamber through negative pressure equipment and sprayed outwards through the multiple evenly-distributed air holes, so that air flow can be dispersed into water in multiple directions and multiple point positions, graphite dust in the air is fully absorbed by the water, dust in the water continuously settles downwards, and the dust in the water is discharged out of the treatment chamber. According to the method, the problems of difficult collection, discharge risk and the like caused by static electricity in the graphite dust treatment process can be avoided.

The present invention provides a polyamic acid film, a rod-shaped silver powder / polyimide composite film and a preparation method thereof, and relates to the field of antistatic materials. The preparation method first prepares a polyamic acid solution and a first silver powder, and then successively coats the first silver powder with vinyl triacetoxysilane and 12-hydroxystearic acid to obtain a second silver powder; finally, the second silver powder is added to the aforementioned polyamic acid solution, a film is formed by a casting method, and then heat-treated to obtain a polyamic acid film with processability. The film is treated in a vacuum environment of 280-300°C for 4-5h to obtain a rod-shaped silver powder / polyimide composite film, the bottom of the composite film is uniformly precipitated and enriched with rod-shaped silver powder, and the silver powders overlap each other to form a three-dimensional mesh conductive structure, so that the upper and lower surfaces of the film have different surface resistances, and the composite film can be applied to electrostatic dissipation or electrostatic conduction according to the surface resistance of the silver powder enriched surface.

The application discloses an ecological fishery breeding system sewage circulating treatment device, and relates to the technical field of sewage treatment.The device comprises a separation tank, a horizontal partition plate is arranged in the separation tank, and the inside of the separation tank is divided into an upper stirring chamber and a lower sedimentation chamber; a stirring mechanism is arranged in the stirring chamber, and the stirring mechanism comprises a vertically arranged stirring shaft and stirring blades arranged on the stirring shaft; the top end of the stirring shaft penetrates through the top of the tank and is connected with a driving mechanism; the bottom end of the stirring shaft penetrates through the horizontal partition plate and is rotationally connected with the horizontal partition plate; a wastewater inlet and a flocculant adding port are arranged on the top of the separation tank and are communicated with the stirring chamber; and the separation tank further comprises a drainage mechanism, which is arranged on the stirring shaft.The ecological fishery breeding system sewage circulating treatment device can promote chemical flocculation through physical stirring, can utilize an independent static space for physical sedimentation, and can automatically connect the two stages through centrifugal force, so that the efficient cooperation of physical and chemical multistage treatment is realized.

The invention discloses a resource utilization method of desulfurization waste liquid and chlorination slag, which is characterized in that carbide slag is used as a desulfurizer for desulfurization of sulfur-containing flue gas, and the generated desulfurization waste liquid is used for treatment of the chlorination slag; chlorination slag slurry and primary filter residues are obtained after the chlorination slag is subjected to dilute acidizing, thickening and filtering, and the primary filter residues are conveyed to a power plant for power generation; the method comprises the following steps of: firstly, neutralizing chlorinated slag slurry by using desulfurization waste liquid for the first time, then, adding one or more of carbide slag, lime or caustic soda for the second time of neutralization to enable the pH value of the chlorinated slag slurry to be 7-8 to obtain neutralized slag slurry, finally, filtering the neutralized slag slurry to obtain secondary filter residues and secondary filtrate, and adding cement and gravel into the secondary filter residues to prepare concrete blocks. The secondary filtrate is sent to a sewage purification system to be treated and then reused to a dust collection slag washing procedure and a concrete block preparation procedure; the method not only scientifically treats the desulfurization waste liquid, but also realizes resource utilization of the chlorination slag, and reduces the treatment cost of the desulfurization waste liquid and the chlorination slag.

The fine sand filtering three-phase gas-sand anchor comprises an upper connector, an upper outer pipe, a central pipe, a spiral pipe, a lower connecting pipe and a sand setting connector, the spiral pipe is further arranged on the outer side of the central pipe and located in the upper connecting pipe, a liquid inlet hole is formed in the upper outer pipe, and oil enters an annular space between the upper outer pipe and the spiral pipe from the liquid inlet hole; and a fine sand filtering assembly is arranged on the outer side of the liquid inlet hole on the upper outer pipe. And a fine sand filtering assembly is additionally arranged outside the liquid inlet hole, so that solid impurities such as fine sand are prevented from entering the lifting pipe column. Sand blocking, sanding and sand blocking are prevented from the source; oil liquid enters an annular space between the upper outer pipe and the spiral pipe without any obstruction, the oil liquid and gas are fully settled, when the oil liquid passes through the liquid inlet hole, the oil liquid is preliminarily mixed and blocked by parts, internally dissolved gas begins to be separated out, and under the action of gravity and density difference, a large amount of liquid descends, so that the gas is separated out. Sufficient liquid is provided for a subsequent spiral section.

The application relates to the technical field of tailing treatment, in particular to a high-mudding copper-nickel ore dressing tail water treatment, recycling and recycling system and process, wherein the high-mudding copper-nickel ore dressing tail water treatment, recycling and recycling system comprises a crushing module, a grinding module and a flotation module; after minerals are separated from ore slurry, the flotation module is used to obtain flotation tailings and flotation concentrates, and the flotation tailings and the flotation concentrates are respectively transported to an A-type water treatment submodule and a B-type water treatment submodule; the A-type water treatment submodule is used to receive the flotation tailings, and sequentially passes through a sedimentation unit and a dosing unit to carry out solid-liquid separation and water purification treatment; overflow water obtained through the treatment is used as A-type clarified water and is returned to the crushing module, the grinding module and the flotation module to supply water; and bottom flow water obtained through the sedimentation is transported to a tailing pond to carry out natural sedimentation, so as to recycle C-type clarified water to supply water to the flotation module. According to the application, the comprehensive recycling utilization rate of the ore dressing tail water is improved by combining tailing three-stage series deep clarification and tailing pond backwater reuse.

The utility model discloses a kind of silicon powder recovery devices in industrial silicon furnace flue gas, including equipment base, separator tank, smoke inlet and gas outlet, the inside of the separator tank is movably connected with multiple groups of adjusting mechanism for changing flue gas flow rate, the adjusting mechanism includes fixedly connected on the inner side wall of separator tank fixed pivot, the fixed pivot is movably connected with spoiler through fixed link, and the spoiler is in conformity with the inner diameter of separator tank, the end of the spoiler is movably connected with piston;Through fixed link and the spoiler of pivot connection, and piston is movably connected with the end of spoiler and penetrates tank body, when flue gas quantity is larger and flow rate is too fast, tank pressure rises and pushes piston to move out, drives spoiler to rotate to tank wall, expands flue gas flow range to reduce flow rate, prolongs flue gas residence time, makes silicon powder fully settle.