133results about How to "Improve oil absorption efficiency" patented technology

The invention relates to a kind of oil-absorbed fiber and its producing method. Its prescription is: 100% polymer monomer, 10-40% of potential gemel agent, 0.1-0.5% solicitation, 0.5-1% dispersant. Moreover the water-like body is 3-4 times more in volume than polymer monomer. The polymer monomer is methacrylate monomer involving butyl methacrylate, the potential gemel agent is 2-hydroxyethyl methacrylate, the solicitation is benzoyl peroxide, and dispersant is poly-vinyl-alcohol. The process is (1) use water-suspending polymerization to produce butyl methacrylate under 70-80 deg.C for blending and polymerizing for 8-10 hours. (2) dissolve the polymer into proper solvent to deploy 20-25% liquid and then insert potential gemal agent and solicitation to polymerize for 3-5 hours under 75-80 deg.C to obtain the original liquid. (3) take off dunking. (4) spin using one of wet or dry method or both, (5) treat with fibre for 10-60 minutes under 120-165 deg.C to obtain the production. The solvent discussed above is one of DMF, DMAC or dimethoxysulfoxide.

The invention discloses a biology base polymer aerogel oil absorption material. The oil absorption material is prepared by the following steps: at first, crosslinking biology base polymers by a crosslinking agent, to obtain a precursor liquid, then freeze-drying the precursor liquid to obtain aerogel, and finally grafting silane onto the aerogel surface to obtain the hydrophobic biology base polymer aerogel oil absorption material. The density of the oil absorption material is 3.8 to 23.1 kg / m3. The water contact angle is at least 117.8 degrees. The adsorption capacities on gasoline, paraffin oil, chloroform, and crude oil are 30.5-109.0 g / g, 33.2-131.2 g / g, 58.2-163.0 g / g, and 24.7-95.8 g / g. After 50 times of gasoline adsorption-extrusion circulation, the retention rate of adsorption capacity is 43 to 99%. The disclosed aerogel oil absorption material has the advantages of large oil absorption capacity and high oil absorption efficiency. Moreover, the oil absorption material can be repeatedly used by simply extruding the oil absorption material, while a high retention rate of adsorption capacity can be maintained. At the same time, the raw material sources are wide, the raw materials are cheap and easily available, the preparation is simple, the technology is matured, the method is environment-friendly, and the requirements of sustainable development can be met.

The invention discloses a wave energy acquisition device comprising a foundation pillar (1), a first floater (5), an oil tank (11), an actuating mechanism (12), a floating sleeve (2) in sliding fit with the foundation pillar (1) and two first wave energy acquisition devices (9) capable of simultaneously acquiring wave energy in the horizontal direction and the vertical direction, wherein one ends of the first wave energy acquisition devices (9) are fixed on the floating sleeve (2), and the other ends of the first wave energy acquisition devices (9) are hinged on the first floater (5); and oil inlets of the first wave energy acquisition devices (9) are communicated with the oil tank (11), and oil outlets of the first wave energy acquisition devices (9) are communicated with an oil inlet of the actuating mechanism (12). The wave energy acquisition device can be used for acquiring the wave energy in the horizontal direction and the vertical direction and is simple in structure.

The invention relates to a water surface oil stain cleaning ship, which relates to an oil-removing ship. The water surface oil stain cleaning ship comprises an oil-absorbing roller (1), an oil-scraping tool (7), an adjusting rod (12), an oil collecting groove (13), a ship body (14) and a motor (16), wherein the oil-absorbing roller (1) is arranged in front of the ship body (14); oil flowing grooves (8) are formed below the oil-scraping tool (7); a gear (17), a gear (15) and a gear (2) are meshed with one another; the oil-absorbing roller (1) is connected with the oil-scraping tool (7); a bracket (11) is welded at the bottom of the oil collecting groove (13); a shaft (10) is arranged in a bearing base hole of the bracket (11) through a bearing; the gear (2) is arranged on a shaft (3); a connecting rod (4) and the adjusting rod (12) are hinged to both sides of the oil collecting groove (13); a solar panel is arranged on the tail part of the ship body (14); during working, oil stains adsorbed onto the oil absorbing roller are scraped by the oil-scraping tool, and flow into the oil collecting groove through the oil flowing grooves. The water surface oil stain cleaning ship is suitable for daily water surface oil stain cleaning operation.

The invention discloses a preparation method of super-hydrophobic oleophilic graphene aerogel. The method comprises the following steps of combining graphene oxide with ammoniated silicon dioxide particles at a particle size of 20 nm / 50 nm and performing magnetic-stirred reaction in an oil bath pan at 75 DEG C to produce a silicon dioxide / silicon dioxide compound; dissolving the obtained compound in water, adjusting the PH value to 11 through ammonia, then subjecting the compound to reaction in a 180 DEG C hydrothermal reactor for 24 hours; performing cooling and drying to obtain the super-hydrophobic oleophilic graphene aerogel. The obtained super-hydrophobic oleophilic graphene aerogel has the advantages of being large in absorbing capacity, rapid in oil absorption, beneficial to recovery of leaked oil, reusable and the like and accordingly has a good application prospect in the aspect of oil-water separation.

The invention discloses a Fe3O4@SiO2@P4VP-PDMS-P4VP hybrid nanoparticle with pH and magnetic responsiveness and a preparation method thereof and an application of the hybrid nanoparticle in a nano oil-water separation emulsion. The Fe3O4@SiO2@P4VP-PDMS-P4VP hybrid nanoparticle is obtained by coupling reaction of a pyridine group on a P4VP block in a P4VP-PDMS-P4VP triblock copolymer with pH responsiveness with a C-I active group on the superparamagnetic iron oxide nanoparticles Fe3O4@SiO2 surface and bonding the P4VP-PDMS-P4VP triblock copolymer into the Fe3O4@SiO2 nanoparticle surface. The invention further specifically discloses the preparation method of the Fe3O4@SiO2@P4VP-PDMS-P4VP hybrid nanoparticle and the application of the Fe3O4@SiO2@P4VP-PDMS-P4VP hybrid nanoparticle in the nano oil-water separation emulsion. Due to the action of the central Fe3O4magnetic nanoparticle, the hybrid nanoparticle absorbing oil content can be easily separated from an aqueous system, and the oil absorbed hybrid nanoparticle can be recycled in an acid aqueous solution after absorption.

The invention discloses a super-hydrophobic oleophilic sponge material and a preparing method and oil-water separation application thereof, and belongs to the preparation of high-performance oil-waterseparation composites. The preparing method includes the steps of cleaning a sponge to remove impurities, putting the sponge in roughening liquid for surface roughening treatment, and adding a fattyacid solution for hydrophobic modification treatment to obtain the super-hydrophobic oleophilic sponge material. The super-hydrophobic oleophilic sponge material is a sponge material obtained after anon-polarity long-chain alkane group conducts hydrophobic modification on the surface of a substrate with a polyurethane or melamine sponge as the substrate. The preparing process is simple, the priceis low, and the oil absorption performance is excellent and stable. The material can be widely applied for leaking oil recovery, oil-containing wastewater treatment and oil-water mixture separation;the super-hydrophobic oleophilic sponge material solves the problem that an oil-water separation porous material is low in mechanical strength, low in separation efficiency, poor in repeatability andthe like in the current stage.

A preparation method of an organic-inorganic hybrid super hydrophobic modified bacterial cellulose aerogel oil absorption material relates to a preparation method of an oil absorption material. The invention aims to provide the preparation method of the organic-inorganic hybrid super hydrophobic modified bacterial cellulose aerogel oil absorption material. The bacterial cellulose aerogel is subjected to organic-inorganic hybrid super hydrophobic modification to obtain the super hydrophobic aerogel oil absorption material. The method comprises the steps as follows: 1, bacterial cellulose cultivation; 2, bacterial cellulose aerogel preparation; and 3, preparation of the organic-inorganic hybrid super hydrophobic modified bacterial cellulose aerogel. The oil absorption material prepared by the invention has good selective oil absorption performance, can be conveniently used for oil-water separation or absorption of the oil spill in the water, has no pollution to the water body, and is a novel oil absorption material with great application potential.

The invention discloses a preparation method of a high-oil-absorption and biodegradable lignin-based microporous molecular sieve. The method can be used for synthesizing a high-oil-absorption and biodegradable lignin-based microporous molecular sieve, and is simple in preparation process. The method comprises the following steps: 1) synthesis of acetyl lignin: dissolving lignin in a mixing liquid of pyridine and an organic solvent, dropwise adding an acetic anhydride reagent so that an acetylation reaction is achieved between the alcoholic hydroxyl group in the lignin and acetic anhydride, so as to obtain the acetyl lignin; 2) synthesis of silyl acetyl lignin: dissolving the acetyl lignin in a mixing liquid of pyridine and triethoxy chlorosilane so that a synthesis reaction is achieved between the phenolic hydroxyl group in the acetyl lignin and triethoxy chlorosilane, so as to obtain the silyl acetyl lignin; and 3) preparing the microporous molecular sieve by virtue of copolymerization: adding the silyl acetyl lignin to a microporous molecular sieve suspension dissolved in the organic solvent for copolymerization, thus obtaining a solid matter which is the high-oil-absorption and biodegradable lignin-based microporous molecular sieve.

The invention provides a foldable W type oil absorption ship. The novel oil absorption ship is based on a double V type open ship, is composed of five pieces and can be folded and unfolded to be in a W form. A ship body mainly comprises a head piece (5), and a port outer side piece (1), a port inner side piece (2), a starboard inner side piece (3) and a starboard outer side piece (4), which are symmetrically arranged about the middle longitudinal profile of the ship, and the five pieces are connected by an articulation mechanism. Via design of a double V type tail, the contact area of the attached pieces is increased, a stress state of a bolt locking device and an articulation device is relieved, and the reliability and the service life of the ship are improved and prolonged respectively; when the ship body is unfolded, the oil sweeping area can be increased, the oil absorption efficiency can be enhanced, and the defects of small oil absorption width and low oil absorption efficiency of an existing oil absorption ship can be overcome.

The invention relates to a water oil contamination cleaning robot comprising a tank body, floating devices and an oil-water mixture treatment device. The floating devices are arranged under the tank body. The oil-water mixture treatment device comprises an oil-collecting tank, a left baffle plate, a right baffle plate, an oil-guiding groove, a control valve. The left baffle plate and the right baffle plate are arranged in the tank body to form a left chamber, a middle chamber and a right chamber. An oil-absorption treatment device and the oil-collecting tank are arranged in the middle chamber, the upper portion of the left chamber is communicated with the upper portion of the middle chamber through the oil-guiding groove. The middle chamber is communicated with the right chamber through the control valve on the lower portion of the right baffle plate. An inlet for the oil-water mixture and a water outlet are respectively arranged on the lower portions of the outer walls of the left chamber and the right chamber. The oil-absorption treatment device comprises a motor, a rotary drum, a conveyor belt, a first bidirectional cone rotary drum and a second bidirectional cone rotary drum. The motor is connected with the conveyor belt which is arranged obliquely through the rotary drum, and the bidirectional cone rotary drums are respectively arranged on the lower portion of the conveyor belt. The water oil contamination cleaning robot is simple in structure, has large range of movement, convenient to use and is flexible to move as compared with a conventional water oil contamination cleaning robot.

The invention relates to a material to process oil-containing life sewage, namely expansion graphite-Arcolitebased active carbon composite, its character: it is composed of expansion graphite and Arcolitebased active carbon in the weight percents of 20-50 and 50-80. It has characters of strong sewage processing ability and outstanding processing effect. It is a new environmental-protection material. It can also act as the basal bodies of oil-absorbing material, oil spray filtering material, additive of oil-sealing material,etc.

The invention relates to a thermoplastic elastomer door seal easy to weld. The door seal is prepared from, by weight, 40-55 parts of SEBS elastomers, 5-15 parts of tackifying resin, 10-15 parts of filler, 5-15 parts of processing oil, 10-15 parts of polypropylene, 1-2 parts of lubricating agent, 0.1-1 part of pigment, 0.1-0.5 part of antibacterial and antifungal agent, 0.1-0.5 part of antioxidant and 0.1-0.5 part of ultraviolet light absorber. The invention further provides a preparation method of the thermoplastic elastomer door seal. The thermoplastic elastomer door seal easy to weld is high in welding strength and good in rebound elasticity, still keeps the good elasticity in the low-temperature application environment such as refrigerators and other refrigeration appliances, prevents a flash seam from being produced, can better close the gap between a door body and a box body, reduces electric appliance energy consumption and makes a contribution to further energy conservation of the refrigeration appliances.

The invention discloses a buoy submerged floating oil absorption device which structurally comprises a floating oil absorption barrel, concave frames, locknuts, floating ball sliding rods and large floating balls. In order to realize that the buoy submerged floating oil absorption device can perform oil and water separation while automatically collecting oil and water, the floating oil absorptionbarrel is provided with the concave frames, the concave frames support the whole floating oil absorption barrel in water through the large floating balls respectively, and the floating oil absorptionbarrel is avoided from sinking to the water bottom and collects and separates the oil and the water through an oil and water separation inner barrel. Through the structure, the buoy submerged floatingoil absorption device utilizes the oil and water separation inner barrel to extract floating oil on the water surface according to different densities of the floating oil and the water, is reliable in technical structure, novel in structure, high in oil absorption efficiency and long in service life, saves energy, is environmentally friendly and can be used for steel rolling, continuous casting,petroleum refining and chemical engineering of steelworks and some enterprises of machining, vehicle repair and the like to recover the floating oil.

The invention relates to the field of oil contamination treatment and discloses a reusable oil suction device. The reusable oil suction device comprises a framework and oil suction cotton; the framework is of an H-shaped structure, and comprises a screw, a first squeezing disc, a second squeezing disc, a first stop block and a second stop block; the oil suction cotton is arranged to surround the screw and located in a middle position of the screw; the first squeezing disc and the second squeezing disc both are arranged on the screw and located on two sides of the oil suction cotton; the first squeezing disc and the second squeezing disc both move in an axial direction of the screw; the first stop block and the second stop block are connected to two end faces of the screw; the reusable oil suction device has the following advantages: two squeezing discs are employed to squeeze the oil suction cotton in opposite directions simultaneously, and therefore, a field treatment on the oil suction cotton after oil suction can be realized, and time saving and high efficiency also are realized, and a purpose that the oil suction device is reused multiple times in short time is achieved; in short, the reusable oil suction device is high in feasibility, simple to operate and highly cost-saving, and has a good economic value.

The invention discloses a melt nano fiber super-high-efficiency oil absorbent cotton. The melt nano fiber super-high-efficiency oil absorbent cotton mainly comprises porous cotton cloth layers, oriented nano fiber oil absorbing layers, and a nano fiber oil storage layer; the porous cotton cloth layers are arranged on the outermost layers; the oriented nano fiber oil absorbing layers and the nano fiber oil storage layer are arranged and combined in different sequences; the external surface of each oriented nano fiber oil absorbing layer is coated by the corresponding porous cotton cloth layer firmly, winkles on the external layers of the melt nano fiber super-high-efficiency oil absorbent cotton are formed by the porous cotton cloth layers and the oriented nano fiber oil absorbing layers; the porous cotton cloth layers and the oriented nano fiber oil absorbing layers are relatively thin; the nano fiber oil storage layer is arranged on the internal surfaces of the two oriented nano fiber oil absorbing layers; each of the two surfaces of the nano fiber oil storage layer and the corresponding surface of the oriented nano fiber oil absorbing are contacted with and embedded into each other. According to the melt nano fiber super-high-efficiency oil absorbent cotton, the porous cotton cloth layers with elasticity are taken as the outermost layers, and winkle surfaces are formed by the porous cotton cloth layers with the oriented nano fiber oil absorbing layers, so that the contact area of oriented oil absorbing fiber with oil stain is increased effectively; oil absorbed by the melt nano fiber super-high-efficiency oil absorbent cotton can be recycled via squeezing the melt nano fiber super-high-efficiency oil absorbent cotton, and oil stain absorption rate is maintained.

The invention discloses a self-throughput oil absorption filter plate for oil-containing waste gas, belongs to the technical field of oil-containing waste gas treatment, and aims to form a tight oil absorption net in a normal state to be matched with air guide holes specially formed in a filter plate body for air entraining. After adsorption saturation, due to the weight gain characteristic, the oil absorption flap used for absorbing oil can be swallowed by the spherical huff-puff unit on the filter plate body; meanwhile, the area is sealed, a pre-stored oil stain emulsifying agent is releasedunder the physical extrusion action, and the oil stain in the oil-containing waste gas can be efficiently absorbed under the leading emulsifying action of the oil absorption fiber bundle on the oil absorption flap. By means of the catalytic effect of the emulsifying catalytic ball to accelerate the spreading and action of the emulsifier, the high desorption of the oil absorption part of the oil absorption flap is realized, and then the oil absorption flap participates in oil absorption again after being reset under the action of magnetic force, so that the continuous treatment of oil-containing waste gas can be realized, and the oil absorption efficiency and effect are greatly improved.

The invention relates to an overwater overflow-oil recovery device in a rotatable roller boom form. The device is made of lightweight materials and comprises a roller and oil absorption elements, wherein the roller comprises a stand column (1) fixedly or detachably arranged on the middle of a roller bottom (7), a plurality of wall bodies (2) fixedly or detachably arranged on the circumference of the roller bottom (7), and covers (6) detachably covering the stand column (1) and the wall bodies (2); a shaft hole (12) is formed in the stand column (1); a flexible shaft or a cable penetrates through the shaft hole; the roller bottom (7) and the covers (6) are provided with through holes corresponding to the shaft hole (12); the adjacent wall bodies (2) are connected through a grid-shaped arc pore plate (3); each wall body (2) and the stand column (1) are connected through a grid-shaped plane partition plate (4); the roller is internally divided into a plurality of divided spaces; the oil absorption elements are disposed in each divided space; and the oil absorption elements can freely rotate in the corresponding divided space.

The invention discloses a fluid suction device. The fluid suction device comprises an oil suction port, an oil suction arm, an oil outlet pipe, a rolling device and a controller. The top end of the oil suction port is arranged at the bottom of the liquid face in an oil tank. The bottom end of the oil suction port is connected with the top end of the oil suction arm. The bottom end of the oil suction arm is connected with the oil outlet pipe. The rolling device is arranged between the oil suction arm and the oil outlet pipe. An arm body of the oil suction arm is further provided with a buoyancyoil barrel. The controller is connected with the rolling device and can control the rolling device to limit the position of the oil suction arm. According to the provided fluid suction device, the oil suction port is formed below the liquid face, an oil liquid suction-in port is arranged upwards, and the oil suction port is internally provided with a plurality of reverse rotational flow blades; and meanwhile, the rolling device and a rotation device are further arranged, and the beneficial effects that the oil suction efficiency is high, and the device stability is good are achieved.

The invention relates to an efficient oil water separation device. The efficient oil water separation device comprises a tank body, an input pipe, an oil sucking pipe, a motor, an oil discharge impeller, a connecting pipe, a sliding block, a filter head, a floating plate, an oil storage tank, a blowdown pipe, a control valve, a collection tank and supporting legs, wherein the tank body is provided with an open upper hole; the input pipe and the oil sucking pipe are arranged on the side wall of the tank body; the oil discharge impeller is mounted on the oil sucking pipe; the oil discharge impeller is connected with a driving shaft of the motor; the connecting pipe is movably connected in the oil sucking pipe through the sliding block; the filter head is arranged at the lower end of the connecting pipe; the floating plate is wound and fixed in the position, close to the filter head, of the lower end of the connecting pipe; the outer end part of the oil sucking pipe is connected with the oil storage tank; the bottom of the tank body further communicates with the blowdown pipe; the control valve is arranged on the blowdown pipe; the blowdown pipe communicates with an upper hole of the collection tank; and the supporting legs are further arranged at the bottom of the tank body. The efficient oil water separation device is simple in operation, high in automation degree, good in recycling and separation effect and high in low temperature adaptability.

The invention provides a floating oil absorbing device, which comprises an oil absorbing disc. The oil absorbing disc comprises a floating cylinder, an oil absorbing steel pipe and an oil absorbing flexible pipe. An oil outlet of the oil absorbing steel pipe is connected with an oil inlet of the oil absorbing flexible pipe, and the other end of the oil absorbing steel pipe penetrates into the floating cylinder to be connected with the bottom of the floating cylinder. The floating cylinder enables the floating oil absorbing device to float in water, and an oil suction port of the floating oil absorbing device is located on a floating oil layer on the liquid level to avoid absorbing air or too much water. The oil absorbing flexible pipe can stretch with fluctuation of the liquid level of a water tank, the distance between the oil absorbing port of the floating oil absorbing device and the floating oil layer to be controlled at the best oil absorbing distance, and labor for manually adjusting the position of the oil absorbing port of the floating oil absorbing device is saved. The floating oil absorbing device is provided with an oil separation filtering board, and is capable of separating impurities in floating oil from the oil absorbing device. The length of the oil absorbing steel pipe and the oil absorbing flexible pipe is lengthened, the oil absorbing disc can be moved to the position with the floating oil in floating oil cleaning, and labor consumed by transportation of the oil absorbing device is reduced. The floating oil absorbing device improves oil absorbing efficiency, is convenient to use and can completely remove oil.

The invention discloses a wave energy acquisition device comprising a foundation pillar (1), a first floater (5), an oil tank (11), an actuating mechanism (12), a floating sleeve (2) in sliding fit with the foundation pillar (1) and two first wave energy acquisition devices (9) capable of simultaneously acquiring wave energy in the horizontal direction and the vertical direction, wherein one ends of the first wave energy acquisition devices (9) are fixed on the floating sleeve (2), and the other ends of the first wave energy acquisition devices (9) are hinged on the first floater (5); and oil inlets of the first wave energy acquisition devices (9) are communicated with the oil tank (11), and oil outlets of the first wave energy acquisition devices (9) are communicated with an oil inlet of the actuating mechanism (12). The wave energy acquisition device can be used for acquiring the wave energy in the horizontal direction and the vertical direction and is simple in structure.

The invention discloses an oil removing ship for the offshore oil leaking phenomenon. The oil removing ship comprises a ship body as well as a central machine room, a main power device, a left flank,a right flank and an oil storing device mounted on the ship body and further comprises oil absorbing rollers, an electrolysis oil-water separator, a bioreactor, a sewage reactor, an unmanned cabin, anoil transportation port and an active sonar, wherein the central machine room is arranged at the front end of the ship body; the oil absorbing rollers are mounted in the left and right flanks and communicate with the electrolysis oil-water separator through pure plastic PPR water pipes; the electrolysis oil-water separator communicates with the oil storing device, the bioreactor and the sewage reactor through the pure plastic PPR water pipes; the oil transportation port for discharging oil is arranged on the oil storing device; the active sonar is arranged at the bottom of the ship body; andthe central machine room controls the variety of the sound waves sent out by the active sonar. The oil removing ship is skillful in self internal structure design, realizes efficient and low-consumption operation and is suitable for offshore working environment.

The invention discloses a range hood and a control method thereof. The range hood comprises a range hood body, a baffle plate, and a rotation driving mechanism which is used to drive the baffle plate to rotate; wherein the rotation driving mechanism drives the baffle plate to rotate so as to achieve the opening and closing of the baffle plate. In this range hood, the baffle plate can be opened or closed, when the oil smoke amount is large, the baffle plate can be opened so as to prevent the smoke oil from diffusing to the upper space over the two sides of the range hood body, thus the oil absorbing efficiency is improved; when the oil smoke amount is small, the baffle plate can be closed; so that the range hood can satisfy different requirements on oil-absorbing efficiency during the cooking process, and has a strong adaptability.

The invention discloses a hydraulic motor gear pump with impeller arranged on inlet for pressurizing liquid supply. The hydraulic motor gear pump is an integrated body of a motor, a centrifugal pump impeller and a gear pump; an oil inlet is provided with an impeller, and oil liquid reaches an oil suction port of the gear pump after being pressurized, so that the problem of insufficient oil absorption of the gear pump is well improved, especially at higher rotating speed, the oil absorption efficiency of the gear pump is improved more obviously, and meanwhile, cavitation noise generated due toinsufficient oil absorption is also avoided; and a motor rotor (10) is mounted on a main shaft (7) through an interference fit, a first bearing (8) and a second bearing (19) are supported on a housing(1), and a gear set (4) is mounted on a front end cover (3), is connected with the main shaft (7) through a first flat key (5), an impeller (16) is arranged between a rear end cover (15) and an innerend cover (14) and is connected with the main shaft (7) through a second flat key (17), and the two ends of the main shaft (7) are sealed through a first sealing member (9) and a second sealing member (20).

Disclosed is an oil absorption device for ocean oil contamination treatment. The oil absorption device comprises a plurality of oil absorption single bodies which are connected with one another through retaining rings. Each oil absorption single body comprises a single body outer framework and an oil absorption core bag placed in the single body outer framework. Expanded graphite particles are contained in each oil absorption core bag. Two balance weight devices are arranged at the symmetrical positions of the lowermost portion of each single body outer framework, and the specific value of the total weight of the two balance weight devices to the displacement of the corresponding oil absorption single body is 1:5 to 1:10. The oil absorption device works at the interface of water and oil all the time by adding the variable balance weight devices through buoyancy calculation; dynamic adsorption is formed by dragging a dragging rope, and the absorption speed is increased; through experimental determination, the oil absorption efficiency is improved by more than four times. The oil absorption device has the actual effects of being high in treatment speed and high in absorption cleanliness on ultrathin water surface spillage oil commonly happening to oil spillage treatment; meanwhile, the device has the advantages that stretching resistance and impact resistance are achieved and the device can be suspended.

The invention relates to an oil pump for an automatic transmission double clutches. The oil pump comprises a front shell, a rear cover of the oil pump, a drive shaft, an inner rotor gear and an outer rotor gear ring. The bottom of the front shell is provided with an oil absorption opening; a driven gear is arranged at the power input end of the drive shaft, a drive gear is further included; a crescent clapboard is arranged in the front shell; the excircle cambered surface of the crescent clapboard corresponds to the inside gear top of the outer rotor gear ring, and the inner circle cambered surface corresponds to the gear top of the inner rotor gear ring; and three drive pins are uniformly distributed between the circumference of the inner rotor gear and the drive shaft. The oil pump for the automatic transmission with double clutches in the invention is mounted at the front end of the transmission when being used, thereby shortening the axial length of the transmission and meeting the need of whole vehicle miniaturization; the structure of the crescent clapboard is adopted, and the gear difference is two, therefore, the higher efficiency can be achieved; the oil return opening of the oil pump is mounted, so that the redundant oil returns to the oil absorption opening of the oil pump, the oil absorption efficiency is increased, and the generation of the cavitation of oil pump can be prevented and the life of the oil pump is prolonged.

The invention discloses a concentrated wax removing solution convenient for wax separation, and a preparation method thereof, and belongs to the field of metal washing agent. The concentrated wax removing solution convenient for wax separation comprises, by weight, 1 to 3 parts of modified MOFs, 7.5 to 8 parts of nonylphenol polyoxyethylene ether; 15 to 16 parts of coconutt diethanol amide; 2.5 to3 parts of glycerol; 0.5 to 1 part of polyethylene glycol; 9 to 10 parts of diethylenetriamine; and 40 to 50 parts of anhydrous ethanol; wherein the modified MOFs comprises MOFs and expanded graphitein MOFs channels and pores. The concentrated wax removing solution is capable of simplifying wax removing solution post-treatment step.

The invention discloses a preparation method of super-hydrophobic oleophylic polyurethane sponge. According to the method, the super-hydrophobic oleophylic polyurethane sponge is prepared by taking porous polyurethane sponge as a matrix and utilizing a hydrophobic oleophilic of a waste tire comburent to prepare super-hydrophobic oleophylic sponge, and the super-hydrophobic oleophylic sponge can beused for separating oil from water. The method is simple and effective, and provides a new thought of waste utilization of a waste tire. The prepared super-hydrophobic oleophylic polyurethane spongehas the advantages of high selective absorption capacity, high oil absorption rate and the like to an oil-water mixture, and can be used for solving the problems of water environment pollution, such as offshore oil spill.

The invention relates to a recyclable nano fiber oil-absorbing material, comprising a fixing mechanism and an oil-absorbing felt; the fixing mechanism comprises fixing frames and an extrusion mechanism; the oil-absorbing felt includes a felt body and an edging that is fixed between the fixing frames, and the felt body is formed by press-fitting a first gauze layer, a first nano fiber layer, a second gauze layer, a second nano fiber layer, a third gauze layer, a first nano fiber layer and a first gauze layer sequentially from top to bottom; the extrusion mechanism includes a first press roller, a second press roller, a slider, a connection rod and a pull rod. The recyclable nano fiber oil-absorbing material is simple to operate and convenient to recycle, avoids direct contact of operators with leakage, and ensures safety of the operators.