132results about How to "Improve flotation" patented technology

In a process for separating oily films from sand particles carried in a sent free water stream, the use of a jet pump scrubber in a density classification tank to treat such oily coated particles at controlled operating temperatures above 65.degree. C. whereby at such controlled temperature enhanced cavitation in said jet pump separates said oily film from said sand particles to form slop oil, said tank providing for recirculation of sand particles through said jet pump before discharge.

The invention discloses an ultra-multiaperture hydrogel compound, making method and application in pharmacy. It contains cross-linked polymer and Carbomer. At least one unsaturated alkene monomer and polyene cross-linking agent polymerize to develop it. The making steps: mix at least one unsaturated alkene monomer, one polyene cross-linking agent, Carbomer and one foaming agent; the mixture develops it on the condition of polymerizing and foaming. It can be used in stomach floating preparation and protein polypeptide oral medicine supplying system.

The invention relates to a preparation method of graphene, comprising the following steps: preparing a colloidal solution of oxidized graphene; adding neutral salt into the colloidal solution and uniformly mixing to obtain an oxidized graphene neutral salting liquid; adding a reducing agent into the oxidized graphene neutral salting liquid and carrying out hot reduction to obtain the graphene. By adding neutral salt into the colloidal solution of oxidized graphene and carrying out reduction, the graphene which has good dispersibility and is caking resistant can be obtained. The specific surface area of the prepared graphene is more than or equal to 600m<2> / g.

The invention discloses a feeding machine for breeding in a fish pond. The feeding machine includes an outer frame, the two sides of the outer frame are fixedly connected with support plates, the bottoms of the support plates are fixedly connected with stabilizing devices, the bottoms of the stabilizing devices are fixedly connected with floating balls, the bottom of the inner wall of the outer frame is fixedly connected with a first motor, one end of an output shaft of the first motor is fixedly connected with a feeding frame, an inner frame is fixedly connected between the two sides of the inner wall of the outer frame, the top of the inner wall of the inner frame is fixedly connected with a stirring frame, and the right sides of the inner walls of the outer frame and the inner frame arefixedly connected with opening and closing devices. The invention relates to the technical field of feeding machines. The feeding machine for breeding in the fish pond achieves the purpose that the device easily floats on the water surface for feeding, the situation the feeding range is small is avoided, feeding is more uniformly conducted, different kinds of feed is easily and evenly stirred, subsequent feeding is easily achieved, the feeding effect is ensured, centrifugal discharge is achieved, the feeding range is increased, moreover, intermittent discharge can be carried out, and the practicability of the device is improved.

The invention discloses a floating aquatic plant cutting, collecting and defouling device comprising a device body; the device body comprises a floating body framework, a cutting knife device, a collecting device, a defouling device and a traveling device; a shaft of each device is fixedly arranged on a floating body and can rotate under the drive of a direct-current motor by virtue of a bearing;an electric push rod is connected with the floating body and a reciprocating cutting knife system and is also connected with a screw blade conveyor system and the floating body; and the electric pushrod is located at the rear of the device to ensure that the center of gravity of the device is located in the center so that the device is convenient to move and float. The device is produced according to the principle of bilateral symmetry, and it is ensured that the center of gravity of the device is located in the middle of the device, so that the device can stably float on a water surface; andreciprocating cutting knives have buffering functions so as to be wider in use range. The device has the advantages of simple and convenient structure and simplicity in operation and is capable of realizing control on each part by controlling a remote controller, suitable for clearing aquatic plants in a small water area and capable of greatly increasing the work efficiency.

The invention relates to a method for producing a caisson by using a floating dock box. The caisson is produced in the floating dock box by using a mass flow production method. After the caisson is produced, the floating dock box can be sunk down conveniently, so the caisson in the floating dock box can float conveniently and the caisson can be put into water conveniently. The floating dock box is a rectangular box body. A middle part in the length direction of the upper part of the floating dock box is depressed downward to form a rectangular caisson production space penetrating through the length direction of the floating dock box. The production of the caisson is conducted on the bottom flat surface of the caisson production space. A buoyancy compartment is arranged in the box body of the floating dock box. A water inlet for filling water and a water outlet for draining water are arranged in the buoyancy compartment. A water pump for filling water into or draining water from the buoyancy compartment is arranged in the floating dock box. The method for producing the caisson by using the floating dock box is suitable for use during shallow sea reclamation and has the advantages of high construction efficiency, low cost and good economic benefit.

The present invention provides a method which utilizes ultrasonic to remove the surface cladding of particles, in particular to a method which utilizes ultrasonic to strike particles in a solution and remove the surface cladding of particles so as to expose the surface of particles. The ultrasonic is 15 to 200 kHz in frequency and 0.5 to 200w / cm< 2 > in acoustic intensity. The surface cladding of particles comprises the self surface cladding of particles and newly generated surface cladding of particles in the solution. The uses of the method include ultrasonic sulfuration process, ultrasonic floatation process, ultrasonic dipping process and ultrasonic purification process.

The invention relates to an air flotation device for conveniently collecting floating residues. The air flotation device comprises an air flotation tank, a water intake pipe, a water drain pipe, a lifting mechanism, a top plate, a filtering mechanism, an air flotation machine, a controller and a clearing mechanism, wherein the filtering mechanism comprises two filtering assemblies; each filteringassembly comprises a filtering net and two direction adjusting units; each direction adjusting unit comprises a lifting rod, a first motor, a drive wheel and a pull wire; the clearing mechanism comprises a side plate, a telescopic assembly, a clearing box and a clearing assembly; the clearing assembly comprises a spring, a press plate, a slide rod, a scraping plate and a plurality of brushes. Theair flotation device for conveniently collecting the floating residues has the advantages that the sewage can drive the impurities to float to the liquid surface by the filtering mechanism in the airflotation process; after air flotation, the floating residues are collected to the part above the filtering net, so as to separate solid and liquid; the scraping plate and the brushes are driven by the clearing mechanism to move above the filtering net, and the floating residues on the filtering net are swept off, and are collected by an operator, so as to improve the practicality of the equipment.

The invention discloses a telescoping venturi siphoning blowdown pipe and a design method. The telescoping venturi siphoning blowdown pipe is characterized by comprising a siphon, an air communicating valve, a jet pipe and a water supplement valve, wherein the water inlet end and a drain outlet of the siphon are immersed below the water level of a water collecting tank and the water level of blowdown well, the highest point portion of the siphon is connected with the air communicating valve in a sealed mode, and a reducing section is arranged at the top of the drain outlet; a reducing head is arranged at one end of the jet pipe, the reducing head and the jet pipe are fixedly connected into a whole, the other end of the jet pipe is connected with a first circulating water return pipe in a sealed mode through the water supplement valve, and the jet pipe extends into the siphon. The design method comprises the following steps of calculating the flow velocity of circulating water return branch pipes, calculating the flow velocity of the jet pipe, calculating the pressure head converted from the flow velocity of the reducing section of the jet pipe, calculating the flow velocity of the siphon, and calculating the maximum allowable superelevation of the siphon. The telescoping venturi siphoning blowdown pipe and the design method have the advantages that the structure is simple, the cost is low, opening and closing are convenient, control is easy, the effect is remarkable, and the telescoping venturi siphoning blowdown pipe and the design method can be applicable to the occasion that sewage on the water surface needs to be discharged, and the requirements that the water outlet end and the drain outlet are immersed below the water level, and a supplement water source needed by the jet pipe is arranged are met.

The invention provides an easy-to-clean fermentation tank based on bioengineering, and relates to the field of bioengineering. The easy-to-clean fermentation tank based on bioengineering comprises anupper tank body and a lower tank body, wherein support legs are arranged at the left side and the right side of the bottom of the lower tank body; the bottom of each support leg is fixedly connected with the top of a base; a sealing pad is arranged at each of the bottom of the upper tank body and the top of the lower tank body; a discharging pipe is arranged at the middle part of the bottom end ofthe lower tank body; a restrictive reciprocating mechanism is arranged at the top end of the inner wall of the upper tank body; a separation plate is arranged inside the upper tank body; an operationrotating rod is arranged under the restrictive reciprocating mechanism; a limiter is arranged at the connecting part of the outer wall of the left side of the lower tank body and the upper tank body;a feeding hopper is arranged at the left side of the upper tank body; a damping support device is arranged at the right side of the lower tank body and the upper tank body. The easy-to-clean fermentation tank has the advantages that the upper tank body and the lower tank body can be conveniently separated, so that the inner wall can be conveniently cleaned; the blind region is reduced; the operation is convenient.

The invention discloses an ecological floating island for remediation and treatment of black and odorous water. The ecological floating island comprises a floating base, a net-shaped cylinder base, a floating ball, a balance frame, a steel wire rope and a fixing rivet, the net-shaped cylinder base is welded with the bottom of a purification base, and the floating base is fixed to the junction of the purification base and the net-shaped cylinder base and located on the outer side wall of the purification base; a driving motor is installed in a top protrusion of the purification base, and one end of a rotary shaft extends to the bottom of the net-shaped cylinder base and is provided with a rotary rack; the balance frame is installed at the bottom of the rotary rack, the steel wire rope is connected with the center of the bottom of the balance frame, and the fixing rivet is fixed to one end of the steel wire rope. According to the ecological floating island for remediation and treatment of the black and odorous water, by installing the floating base, the purification base and the floating ball and forming ecological planting grooves, the black and odorous water can be effectively adjusted through the rhizomes of aquatic plants, floating objects on the surface of the water can be effectively collected through the floating island, and the area of the purified water is increased. The problems are solved that a traditional sewage purification device is single in function, small in purification area, long in treatment time, low in purification speed, high in maintenance cost and the like.

The invention discloses automatic polishing equipment for the surface of building wood, and belongs to the field of wood. The automatic polishing equipment for the surface of the building wood comprises a box body and a box door, wherein the box door is connected to the side wall of the box body through hinges; an installing plate is fixedly connected into the box body; an electric telescopic rodis fixedly connected to the upper end in the box body; a polishing machine is fixedly connected to the telescopic end of the electric telescopic rod; two groups of supporting frames are symmetricallyand fixedly connected onto the installing plate; fixed rotating shafts are rotatably connected onto the supporting frames; and a driving motor is arranged on one of the fixed rotating shafts. According to the polishing equipment for the surface of the building wood provided by the invention, the surface of the wood is conveniently cooled through the arrangement of a crank, a reciprocating mechanism, an air cylinder, a piston piece, an air spraying pipe and a spraying head; wood chips in the box body are conveniently pumped out through the arrangement of a dust suction box, the rotating shafts,fan blades, a driven gear and a bevel gear; and the wood is conveniently clamped and fixed through the arrangement of a first air bin, a piston rod and a spring.

This Dispenser having a cutter plate, which is flexibly mounted on a Tape roll, helps in peeling the Tape and is able to cut it by serration provided at the other end.There is an open space, in between the rod and cutter plate, so that Tape can be drawn over from both sides of the dispenser, to cut it by serrations present at the other end.On the cutter plate of the Dispenser, there is a notch and a hole is provided, so that, the cut end of the tape which sticks on the plate, can be easily removed for the next operation.This cutter plate assembly being flexibly attached on a Tape roll, by means of two 0 rings, can swivel like a hinge, so that Tape can be cut at any desired and from a suitable angle.A double cutter is provided to hold a firm grip on the tape, to cut it easily, besides, to protects from injury also.Thus It is a novel, Tape Dispenser which is User friendly, Multipurpose and a unique and most simple in Design, useful for most of varieties of Tapes, having variations in, Materials, Widths, Diameters, Thickness, Toughness, Stickiness, and various Applications and Uses. Most suitable for a common Man, Office, Industry and Packaging use in Industry.

The invention discloses a method for improving gold mine flotation and flotation concentrate cyaniding leaching recovery rate. In gold mine flotation, when a gold mine is subjected to three flotation operations, i.e. the gold mine is milled through a ball mill, is classified through a classifier and is roughly floated, hot water is added, and the hot water temperature is 35-45 DEG C; in flotation concentrate cyaniding leaching, by a cyaniding leaching process, heating is performed in a single-layer thickener and a three-layer thickener, so that the temperature of cyaniding process water is 25-35 DEG C; the average temperature of the flotation process water in the prior art is 22 DEG C; average flotation tailings grade is 0.22g / t; after heat energy is utilized, the average flotation tailings grade is 0.1g / t; in gold concentrate powder cyaniding, before the heat energy is utilized, the average cyanide residue grade is 0.6g / t; and after the heat energy is utilized, the average cyanide residue grade is 0.4g / t. With the adoption of the heat energy, the gold mine flotation and flotation concentrate cyaniding leaching recovery rate is effectively improved, and gold mine resources are sufficiently utilized.

The invention relates to a water protection and remediation technique, in particular to a surface water protection and remediation floating bioreactor. In a vertical tubular barrel (2), a porous material serves as a carrier for a biomembrane (4); the center of the upper part of the barrel (2) is communicated with a vertically upward water outlet pipe (1), a water inlet (6) is formed at the bottomof the barrel (2), and the water inlet (6) is connected with a submersible pump (5); and a plurality of buoys (3) are arranged on the outside of the barrel (2). The using method of the bioreactor comprises: allowing solution containing microbes to be absorbed on the surface of the porous material to form the biomembrane (4); continuously delivering water to the reactor by the submersible pump (5)and allowing the water to flow by the surface of the biomembrane (4) to purify the water; and the outlet end of the water outlet pipe (1) is designed to be in a spring or waterfall mode. In the invention, the water purification and remediation speed is high, and the water purification and remediation quality is high; the bioreactor can float on water surface and can move and float in a larger water area to perform water remediation, the pertinence of the bioreactor is high, the effect is desirable, the overall remediation speed is high, and the bioreactor can be designed with a landscape enjoying and water purification combined structure.

The invention discloses a novel heat preservation solid waste fiber smashing device. The device comprises a main shell, supporting legs, a rotating shaft, a first transmission wheel, a transmission belt, a second transmission wheel, a motor, a motor rotating shaft, a rotating cylinder, a rotating inner cavity, a first smashing knife, a second smashing knife, a fixing shaft, a first gear, a secondgear, a sieve plate, sieve plate holes, a vibrator, a discharging shell, supporting columns, a water storage tank, a submersible pump, a water outlet pipe, water mist spray heads, a heat preservationsolid waste fiber feeding port and a heat preservation solid waste fiber discharging port. According to the heat preservation solid waste fiber smashing device, the smashing knives with opposite working rotating direction are arranged, so that the smashing efficiency of the smashing device is improved, and the working time is saved; and the discharging shell is arranged, and the water mist spray heads are fixedly connected to the side wall of the discharging shell, so that the screened and floated heat preservation solid waste fiber is effectively combined with the water, then the floated heatpreservation solid waste fibers are reduced, a large amount of the heat preservation solid waste fibers are prevented from floating in the air in the discharging process, so that the environment is protected, and the body health of people is protected.

Method for preparing material containing amorphous iron oxide hydroxide, the method including: mixing an aqueous ferrous salt solution and hydroxide solution or solid hydroxides at the temperature of below 70° C., filtering the reaction solution, washing the filter cake, preparing suspension solution of the filter cake, blowing an oxygen-containing gas into the suspension solution to oxidize the ferrous iron, and then filtering and drying. The material after being used as desulfurization agent can be repeatedly regenerated through oxidation in an oxygen-containing gas. A desulfurization agent, and methods for preparation and repeated regeneration thereof. The desulfurization agent contains the material and organic binders, and may also include a small amount of additives. The organic binders are selected from sodium carboxymethyl cellulose, sesbania powder, and cellulose powder, and the additives are selected from sawdust, rice husk power, and bran.

A desulfurizer containing at least a composition of a highly concentrated amorphous iron oxide hydroxide as the active ingredient. A method for preparing a composition containing at least a highly concentrated amorphous iron oxide hydroxide. A method for regenerating the desulfurizer. The desulfurizer contains at least the composition of a highly concentrated amorphous iron oxide hydroxide as the active ingredient and a binder. The composition and the desulfurizer have a high sulfur capacity and can be regenerated. This saves resources and reduces environmental pollution. The method for regenerating the desulfurizer includes at least the following steps: a) mixing a solid soluble ferrous salt with a solid hydroxide, b) kneading the mixture and allowing it to react at temperatures not exceeding 90° C., c) drying in air, d) washing with water and filtering to yield a solid, and e) drying naturally or roasting the solid.

The invention relates to granulated copper oxide containing a binding agent which is resistant to organic solvents, a process of preparing the material and the use thereof. This granulated copper oxide is highly suitable as a biocide in antifouling paints.

The invention discloses a divergent type river water suspended matter adsorption device. The invention belongs to the technical field of river pollution treatment. The divergent type river water suspended matter adsorption device comprises an annular floating plate and a spherical adsorption ball; a ball suction plate is fixedly connected to the middle of the floating plate; an inflating bag is arranged above the ball suction plate, the top end of the inflating bag is fixedly connected with an air outlet valve, the bottom end of the inflating bag is fixedly connected with an air inlet valve, the bottom end of the air inlet valve is fixedly connected with an air guide pipe, the air guide pipe penetrates through the ball suction plate and is fixedly connected with the ball suction plate, andthe top end of the floating plate is fixedly connected with two symmetrically-arranged supporting rods. A restoration ball arranged by imitating dandelions can be realized; adsorption filaments can be dispersed like villi of dandelions only through simple operation and then suspend in water under the action of floating balls and the ball adsorption plate, so that suspended matter is adsorbed through cooperation with the adsorption ball, the action range is widened, the adsorption effect is improved, and recycling is facilitated.

The invention discloses a processing production line for improving the quality of macadimia nuts. The production line comprises a storage device, a green seedcase removing device, a screening device,a drying device and a packaging device; the storage device is connected with the green seedcase removing device through an elevator, a discharging port of the green seedcase removing device is connected with the screening device through a sliding way, and the screening device is connected with the drying device through a conveying belt; the drying device is connected with the packaging device through a conveying belt. According to the production line, the storage device, the green seedcase removing device, the screening device, the drying device and the packaging device are connected and automatically transformed, macadimia nuts are finally graded through different selection of all the steps, and finished products with good quality are obtained.

The invention discloses a high-performance organic silicon conductive shielding adhesive and a preparation method thereof. According to the high-performance organic silicon conductive shielding adhesive, vinyl polysiloxane and white carbon black are blended, a blend obtained after silazane treatment is blended and kneaded with single-walled carbon nanotubes, and then thin-passing dispersion is performed through a three-roller machine to prepare a basic adhesive material; and 100 parts by mass of the base rubber material is mixed with 5-15 parts by mass of hydrogen-containing polysiloxane, 0.1-0.5 part by mass of a platinum catalyst, 0.01-0.05 part by mass of an inhibitor, 300-500 parts by mass of a conductive filler and 0-20 parts by mass of an environment-friendly diluent to obtain the high-performance organic silicon conductive shielding adhesive. The volume resistance of the high-performance organic silicon conductive shielding adhesive is less than or equal to 60m Omega.cm, the shielding effectiveness reaches 120dB or above, the tensile strength reaches 4.0 MPa or above, the tensile elongation at break reaches 100%, the tearing strength is greater than 10N / mm, and the high-performance organic silicon conductive shielding adhesive has good adhesion bonding property to materials. The adhesive can be widely applied to occasions such as communication equipment shell sealing electronic products, telecommunication equipment and high-frequency control equipment which require a very wide watertight, airtight or frequency range and require excellent shielding performance and instant sealing of irregular surfaces.

The invention relates to the field of soil repairing, and provides a method for repairing heavy metal contaminated soil aiming at the problem that an existing repairing method of heavy metal contaminated soil easily causes secondary influence on the environment. According to the technical scheme, the method comprises the following steps of S1, crushing the soil; S2, adding a heavy metal eluent andammonium hydroxide for elution; S3, adjusting the pH and fishing suspended matter; S4, filtering out the metal eluent, sun-drying the soil, and then completing soil repairing, wherein the heavy metaleluent is prepared from, by mass, 50-55 parts of chitosan, 60-65 parts of water, 15-22 parts of sodium polyacrylate and 10-15 parts of aloe fiber powder. All the components of the heavy metal eluentare poisonless and harmless, the source is natural, and thus the environment is unlikely to get influenced; meanwhile, heavy metal precipitant is fished for centralized treatment, so that the situation does not easily occur that heavy metal eluted out of the soil is re-discharged to the environment and influences the environment accordingly.

A multi-purpose device for holding food items for cooking, storage and other purposes is disclosed. One use of the device is for the poaching of one or more eggs. The device is formed and dimensioned to float in boiling water without tipping over and spilling an egg contained within.