16results about How to "Floating speed is fast" patented technology

The present invention relates to the technical field of sewage treatment, and in particular to a device for collecting floating mud slag at the edge of a sewage treatment pool, comprising a support frame, a collecting trough installed on the support frame, the collecting trough being connected to a collecting box, a conveyor belt installed in the collecting trough, and the conveyor belt being able to transfer floating mud slag to the collecting box; a suspension beam installed on the support frame, a lifting mechanism installed on the suspension beam, a mounting block moving along the guide rail of the lifting mechanism installed on the guide rail, and the lifting mechanism being able to adjust the height of the mounting block; a circulation mechanism installed on the mounting block, the circulation mechanism comprising a water spraying port opened on the side of the mounting block and a submersible pump installed under the collecting trough, the water outlet of the submersible pump being connected to the water spraying port through a pipeline. The present invention forms a water flow circulation from the middle to the pool edge at the water surface position, on the one hand, transports the floating mud slag at the middle position to the pool edge position, and on the other hand, does not disturb the sludge settled at the bottom of the pool, causing secondary turbidity of the pool water, thereby improving the collection efficiency of floating mud slag.

The invention provides a flotation separation method for complex and difficult-to-separate high-sulfur copper ore, and belongs to the field of mineral flotation, lime is adopted to adjust ore pulp to a low-alkali environment, and efficient recovery of valuable elements of copper, silver and sulfur is achieved under the combined action of an inhibitor and a synergist. A low-alkali copper separation process is adopted, copper-sulfur intergrowth and silver-containing minerals are prevented from being strongly inhibited in a high-alkali ore pulp environment, regrinding is introduced before copper concentration operation to promote dissociation of the copper-sulfur intergrowth, and the grade of copper concentrate is improved. During copper roughing, gangue minerals and pyrite are inhibited by adopting an inhibitor to prevent the gangue minerals and the pyrite from forming a cover on the surface of metal minerals, and selective inhibition on the pyrite is generated in the forms of strong oxidation, electrostatic adsorption, hydroxylated metal point adsorption and the like on the surface of the pyrite; the synergist is adopted to change the surface charge of gangue minerals, the argillaceous gangue is prevented from forming a mucus coating on the surface of the chalcopyrite by means of electrostatic repulsion, meanwhile, the flotation froth performance is enhanced, floating of the chalcopyrite is accelerated, and the copper separation effect is optimized.

The invention provides tundish stuffing sand and a preparation method thereof, and belongs to the technical field of steelmaking continuous casting. The invention relates to tundish drainage sand, which is prepared from the following components in parts by weight: 40 to 60 parts of magnesite sand, 15 to 35 parts of dolomite sand, 10 to 30 parts of raw perlite, 5 to 15 parts of kyanite, 10 to 30 parts of rare earth mineral powder and a binder. The weight part of the rare earth mineral powder is 2-5, and the weight part of the binder is 1-3. The tundish stuffing sand is suitable for a stopper-free flow control pouring method, the automatic pouring rate is increased, and molten steel pollution is reduced.

The invention relates to the technical field of water treatment, and discloses ship oil-containing ballast water and tank washing water waste residue separation equipment and a separation process thereof.The ship oil-containing ballast water and tank washing water waste residue separation equipment comprises a separation pipe, the separation pipe can rotate around the axis of the separation pipe, and an arc-shaped partition plate is arranged in the separation pipe and divides an inner cavity of the separation pipe into a demulsification cavity and a gravity separation cavity; the demulsification cavity is located above the gravity separation cavity, and the separation pipe is arranged in the longitudinal direction of the ship. According to the ship oil-containing ballast water and tank washing water waste residue separation equipment and the separation process thereof, the separation bin with the circular-arc-shaped section is used, the floating speed of oil drops and the sinking speed of waste residues are increased, the treatment efficiency is improved, meanwhile, the gravity center position of the separation pipe is kept unchanged due to the circular-arc-shaped shape, the separation pipe tends to be kept at the same position, and the separation efficiency is improved. The influence of ship rolling is small, the impact generated by transverse movement of water flow can also be reduced through the arc-shaped cross section, and the influence of ship shaking on the gravity separation efficiency is further reduced.

The invention discloses a sewage multi-stage screening MVR evaporator, and relates to the technical field of sewage treatment.The sewage multi-stage screening MVR evaporator comprises an evaporation bin, the evaporation bin is fixedly connected with a connecting frame, the side, close to the connecting frame, of the evaporation bin communicates with a backflow pipe, the connecting frame is fixedly connected with a separation bin, and the top of the evaporation bin communicates with a first flow guide pipe; a liquid inlet is formed in the side, close to the first flow guide pipe, of the evaporation bin, the upper portion in the evaporation bin is fixedly connected with a coarse falling film heat exchange pipe, and the coarse falling film heat exchange pipe is fixedly connected with a plurality of fine falling film heat exchange pipes. On the basis of a plurality of existing fine falling film heat exchange tubes, the possibility of blockage caused by accumulation of solid particles or other impurities in the fine falling film heat exchange tubes is reduced by additionally arranging the coarse falling film heat exchange tubes, sewage can still be continuously heated and flow through the coarse falling film heat exchange tubes even if the fine falling film heat exchange tubes are blocked, and the heat exchange efficiency is improved. Therefore, the continuous operation of the system is ensured, and the downtime caused by local faults is reduced.

The utility model relates to the technical field of oiling agent defoaming, in particular to a spinning oiling agent defoaming device which comprises a treatment barrel, a liquid inlet pipe is connected to the bottom of the side wall of the treatment barrel, a plurality of baffle plates are obliquely arranged at the bottom of the inner side wall of the treatment barrel in a staggered mode, a placing table is arranged on the inner side wall of the treatment barrel, and a lipophilic porous filler piece is placed on the placing table. The top of the side wall of the treatment barrel is connected with a liquid outlet pipe, a defoaming weir is arranged at the joint of the liquid outlet pipe and the treatment barrel, the top of the defoaming weir is of a sawtooth structure, the top of the treatment barrel is connected with a vacuum pipe, the vacuum pipe is connected with a vacuum pump, and an on-off valve is arranged on the vacuum pipe; the liquid inlet pipe is arranged at the bottom of the treatment barrel, so that the phenomenon that new bubbles are generated due to impact of a free falling body when an oiling agent is poured from the top is avoided, bubble generation is reduced from the source, foam on the liquid level is intercepted by the defoaming weir, a foam liquid film is damaged through the mechanical cutting action of the sawtooth edges, and it is ensured that no surface foam remains on the discharged oiling agent.

The present invention discloses a sewage multi-stage screening MVR evaporator, which relates to the technical field of sewage treatment, and includes an evaporation bin, the evaporation bin is fixedly connected with a connecting frame, the side of the evaporation bin close to the connecting frame is connected with a return pipe, the connecting frame is fixedly connected with a separation bin, the top of the evaporation bin is connected with a first guide pipe, the side of the evaporation bin close to the first guide pipe is provided with a liquid inlet, the upper part of the evaporation bin is fixedly connected with a coarse falling film heat exchange tube, and the coarse falling film heat exchange tube is fixedly connected with a plurality of fine falling film heat exchange tubes. On the basis of the existing multiple fine falling film heat exchange tubes, the present invention reduces the possibility of solid particles or other impurities accumulating in the fine falling film heat exchange tubes and causing blockage by adding a coarse falling film heat exchange tube, and even if the fine falling film heat exchange tube is blocked, the sewage can still be continuously heated and flowed through the coarse falling film heat exchange tube, thereby ensuring that the system can continue to operate and reducing the downtime caused by local failures.

The present invention provides a flotation collector for refractory gold ore and its preparation method and application. The flotation collector includes 25 to 30 parts of N-phenyl-2-mercaptobenzimidazole, 15 to 20 parts of phenol black medicine, 7.5 to 9 parts of surfactant, 3 to 4 parts of emulsifier, 1 to 2 parts of alkali, 1 to 2 parts of defoamer, 2 to 3 parts of foaming agent and 70 to 80 parts of water by weight. The preparation method of preparing solution I and solution II separately and then fully mixing the two solutions can effectively play the synergistic effect between the reagents to obtain a collector with stable foam, strong collection effect and selectivity. When the flotation collector of the present invention is applied to gold ore flotation, it effectively improves the recovery rate and grade of fine-grained and micro-particle gold ore dressing, especially the roughing pre-enrichment of low-grade, easy-floating and easy-mud gold ore and the adjustment and optimization effect of flotation environment are remarkable; it also has the characteristics of small dosage of reagents, remarkable flotation effect, safety and environmental protection, and high market promotion value.

This invention relates to the field of wastewater treatment equipment technology, specifically a glass fiber wastewater treatment device, comprising a shell with an internal cavity, an inlet located on the upper surface of the shell, a reaction tank fixedly installed in the middle of the cavity, a fixing plate fixedly installed on the inner top wall of the cavity, and a motor fixedly installed on the upper surface of the shell. This invention utilizes the compression and extension of two elastic air bladders to simultaneously force flocculant and air into the reaction cavity, increasing the sedimentation and aeration speed. Furthermore, the wastewater is heated by the interaction between a rotating iron block and a magnet, further enhancing the sedimentation and flotation rates of the precipitates.

The invention relates to the technical field of rubber synthesis, and discloses a neoprene latex degassing device and a degassing method.The neoprene latex degassing device comprises a tank body, and a motor base is arranged at the bottom of the tank body; a first spring seat is arranged on the top surface of the motor seat, a second spring seat is slidably connected to the first spring seat, and a first spring is arranged between the first spring seat and the second spring seat; a rubber corrugated pipe is arranged between the first spring seat and the second spring seat; a vibration shell is arranged on the top face of the second spring seat, a ball bearing is rotationally connected to an inner cavity of the vibration shell, a rotating shaft is rotationally connected to the ball bearing, a polarization block is arranged on the side wall of the rotating shaft, the lower end of the rotating shaft extends into the motor seat, a first motor is arranged at the lower end of the rotating shaft, and the first motor is fixed to the inner top face of the motor seat. The polarization block is arranged in the tank body, part of foam in latex is directly shattered through generated vibration, meanwhile, the floating speed of the foam in the latex is increased, the foam blasting rate during air exhaust of the vacuum pump is increased, and the degassing efficiency is high.

The utility model relates to a vertical static hot -blast goods cabinet for defoaming of sealant, it includes the cabinet body, goods shelf, hot -blast module, goods shelf is constituted by circulating frame and a plurality of support frame. Hot -blast module can carry out blowing hot air to the cabinet body, to improve internal temperature, in high temperature environment, the mobility of sealant will obviously improve, the viscosity reduces, is favorable to increase the rate of bubble floating, improves the effect of defoaming, simultaneously circulating frame can drive support frame to and fro circulation, the slight vibration in the process also can promote defoaming process, improve the defoaming rate.

The present invention provides a system and process for treating pharmaceutical wastewater containing antibiotics in the field of wastewater cleaning technology. The pharmaceutical wastewater containing antibiotics treatment system includes a flotation treatment system, which includes: a flotation tank; a first treatment part, which is used to mix flocculants, coagulants and wastewater and is arranged on one side of the flotation tank; and a third treatment part, which is used to salvage and separate the flocs floated out after treatment and is arranged on the other side of the flotation tank; characterized in that it also includes: a second treatment part, which is used to make the suspended flocs float to the wastewater surface and is arranged between the first treatment part and the third treatment part; the second treatment part includes: a flotation chamber. The present invention has the advantages of high separation efficiency and good separation effect of waste residue flocs and suspended matter during flotation treatment of pharmaceutical wastewater containing antibiotics.

The present invention discloses a centrifugal pump degassing device and a pulp conveying system. The centrifugal pump degassing device includes a pulp inlet pipeline connecting a pulp pool and a centrifugal pump, wherein the pulp inlet pipeline is provided with at least one variable diameter section, and the inner diameter of the variable diameter section is smaller than the inner diameter of the pulp inlet pipeline located upstream of the variable diameter section; at least one of the variable diameter sections is provided with an exhaust port, and an exhaust pipe is installed at the exhaust port. By comparison, after exhausting the gas through the centrifugal pump degassing device of the present invention, the cyclone at the center of the centrifugal pump impeller disappears, and the pumping capacity of the centrifugal pump is increased by 30%; at the same time, under the same flow rate and head, the output power of the centrifugal pump is significantly reduced, and the power saving reaches 30%.

The utility model provides phosphorite flotation equipment which comprises a flotation box, supporting legs are arranged at the four corners of the bottom end of the flotation box, a control panel is arranged in the middle of the right end of the flotation box, a sealing door is arranged on the lower portion of the front box wall of the flotation box, and a feeding pipe is arranged on the upper portion of the right box wall of the flotation box. Flow guide frames are arranged at the upper parts of the front box wall and the rear box wall of the flotation box; a discharge pipe is arranged at the lower part of the left box wall of the flotation box; the gas transmission mechanism is arranged below the flotation box, partially penetrates into the flotation box and is used for carrying out airflow disturbance operation on materials in the flotation box; the dispersing mechanism is arranged in the flotation box; according to the phosphorite flotation equipment, gas can be evenly input into the dispersing barrel through the gas conveying mechanism and the disc-shaped piece, rapid flotation of phosphorite is facilitated, phosphorite can be fully stirred through the dispersing mechanism, the phosphorite dispersing effect is enhanced, and the phosphorite flotation equipment is suitable for being widely used.

This invention belongs to the field of sodium sulfate solution recovery, specifically a sodium sulfate solution evaporation crystallization separator and its operating method. The separator includes a tank, with a feed pipe at the top and a baffle fixedly connected to the inner wall of the tank. The top of the baffle has a concave structure, and a first housing is fixedly connected to the bottom of the baffle. A first heating wire is fixedly connected to the inner wall of the first housing. A discharge port is opened at the center of the baffle. A support plate is fixedly connected to the inner wall of the tank below the baffle, and a first mounting bracket is fixedly connected to the middle of the support plate. The sodium sulfate solution evaporation crystallization separator and its operating method provided by this invention use a guide ring to allow the evaporated steam to float upwards and flow upwards along the arc surface of the inner wall of the guide ring. The guide ring is heated by a second heating wire to maintain its temperature above the steam dew point. When the steam comes into contact with the inner wall of the guide ring, it will not liquefy but will escape directly upwards, avoiding the condensation of water droplets on the inner wall of the guide ring.

The present invention relates to the technical field of grease separation, and discloses a printing ink wastewater grease separation device, comprising a shell, the shell is divided into three sections, the middle section is set to a cone shape, the bottom of the shell is fixedly connected to a base, and the center of the shell is provided with a spiral blade. The present invention continuously moves the spiral blade upward by adjusting the component, and when the spiral blade fits the inner wall of the shell, the bubbles generated by the air intake component can only spirally rise along the outer wall of the spiral blade, which increases the probability of the bubbles contacting the grease during the floating process, and the grease in the wastewater may adhere to the outer wall of the spiral blade, and the bubbles will gradually move upward along the outer wall of the spiral blade during the floating process, which can make the floating bubbles more effectively combine with the grease in the wastewater, not only preventing the residual grease from forming a viscous film on the inner wall of the equipment, but also reducing the probability of pipeline blockage and equipment failure.