83results about How to "Reduce oil pollution" patented technology

Methods and systems are provided for modeling an oil dilution qualitative indicator based on an integrated difference between a commanded air-to-fuel ratio and an engine air-to-fuel ratio as determined via an oxygen sensor, cumulative cold engine temperature operating duration, and fuel injection characteristics (timing, duration, number of injections) allowing fuel injection timing modifications that minimize oil dilution when the oil dilution qualitative indicator is greater than a threshold level.

The invention relates to a bead tea continuous forming system based on automatic feeding and a control method thereof. The system comprises a PLC control unit, an initial frying unit, a spreading andcooling unit and a refrying unit, a vertical lifting machine, a weighing mechanism, a material distribution mechanism and a vibration type conveyor are arranged on the initial frying unit and the refrying unit, so that automatic feedingg, automatic pan-frying are realized, the continuous making of the pearl tea production is realized, and the production efficiency and the quality of the pearl teaare greatly improved. The control method comprises a primary frying feeding link, a primary frying link, a spreading and cooling link, a refrying and feeding link and a re-frying link control process.According to the control method, the automation degree of the forming system is higher.

The invention provides a high-efficiency range hood. The high-efficiency range hood comprises a draught fan, an exhaust fume collecting hood, an air duct, a filter screen and an oil cup. The upper portion of the exhaust fume collecting hood is connected with the air duct. The draught fan is arranged on the upper portion of the interior of the air duct. A support is arranged below the draught fan.The support is provided with a follow-up rotary shaft of which the axis coincides with the axis of the air duct is arranged on the support. The upper end of the follow-up rotary shaft is connected with follow-up rotation fan blades. The lower end of the follow-up rotary shaft is connected with the filter screen. The filter screen is shaped like a horn with a downward opening. The circular lower edge of the filter screen is connected to the middle portion of a bearing inner ring of an annular bearing arranged on the inner wall of the air duct. The oil cup is shaped like a circular groove. The outer wall of the oil cup is inserted into the bearing inner ring. The filter capacity of the filter screen of the high-efficiency range hood is remarkably enhanced, and the filter screen cleaning frequency can be reduced.

The invention relates to a pinhead tea continuous shaping system based on automatic weighing and a control method thereof. The system comprises a PLC control system, a primary roasting unit, a spreading and cooling unit and a re-roasting unit, wherein a vertical lifting machine, a weighing conveyor, a material distribution mechanism and a vibration type conveyor are arranged at the primary roasting unit and the re-roasting unit for realizing automatic feeding, discharging and automatic pot combination re-roasting; the continuous shaping of the pinhead tea production is realized; the productionefficiency and the pinhead tea quality are greatly improved. The control method comprises the control processes of a primary roasting feeding link, a primary roasting link, a spreading and cooling link, a re-roasting feeding link and a re-roasting link. Through the control method, the automation degree of the shaping system is higher.

The invention provides a production method of aluminum alloy plates, comprising the following steps of: decoiling aluminum alloy plates by a decoiler to obtain aluminum alloy tapes; cleaning the aluminum alloy tapes for the first time; enabling the aluminum alloy tapes to pass through an air cushion furnace at a set speed, performing continuous annealing in the air cushion furnace, wherein the temperature of a heating section of the air cushion furnace is a set annealing temperature, and the temperature of a holding section of the air cushion furnace is a set cooling temperature; cleaning the aluminum alloy tapes for the second time; performing stretch leveling on the aluminum alloy tapes by a stretcher leveler; coiling the aluminum alloy tapes by a coiler to obtain aluminum alloy coils; and cutting the aluminum alloy coils to length in a transverse cutting unit to obtain finished products of aluminum alloy plates. The production method of aluminum alloy plates reduces scratches, oil stain and aluminum ash residue on the surfaces of the aluminum alloy plates, and meets the requirements on surface quality of aluminum alloy plates for electrommunication control cabinets. The invention also provides a production system of the aluminum alloy plates.

The invention discloses cable cleaning and drying equipment. The cable cleaning and drying equipment comprises a machine body. A storage cavity is formed in the machine body, and a cleaning mechanismis arranged in the storage cavity. The cleaning mechanism comprises a first base and a second base which are fixedly arranged on the inner walls of the upper side and the lower side of the storage cavity correspondingly, and the second base is located on the lower side of the first base. A first rotating cylinder is rotatably arranged between the first base and the second base, and two fixed plates are fixedly arranged at the upper end of the second base in left-right symmetry with the first rotating cylinder as the center. Sliding grooves are formed in the ends, close to the first rotating cylinder, of the two fixed plates correspondingly, and three first rotating shafts are arranged between the two sliding grooves slidably. In the using process of the cable cleaning and drying equipment,a cable is conveyed into the cable cleaning and drying equipment, and the built-in cleaning mechanism rotates and brushes the cable in all directions, so that the influence of oil stains and impurities is greatly reduced; and then the cleaned cable is wiped and dried by a drying mechanism, so that the impurities on the surface of the cable are further removed.

The invention provides rotary tower type non-stop unwinding equipment. The rotary tower type non-stop unwinding equipment comprises a scroll lifting part, a scroll rotating part, a cutting part and apaper path buffer part, wherein the scroll lifting part comprises a supporting frame and a tray frame; a V-shaped disc driven by a regulating mechanism is arranged on the tray frame; one end of the tray frame is provided with a protective mechanism; the scroll rotating part comprises two unwinding wall boards and a rotary disc; a supporting positioning mechanism is arranged between each rotary disc and each unwinding wall board; two scroll clamping mechanisms are arranged on the two rotary discs; a transmission mechanism is arranged between each unwinding wall board and each scroll clamping mechanism; the cutting part comprises two groups of cutting devices; and ach cutting device comprises a pressing mechanism and a cutter. A non-shaft type two-side synchronous drive way is adopted, so that the problems such as poor unwinding stability and poor accuracy are solved; and moreover, the rotary tower type non-stop unwinding equipment is stable for positive and negative unwinding ways, andhas characteristics of transmission stability, high safety and applicability to smaller-roll-diameter scroll cutting.

Self-cleaning colorized solar heat reflecting coating is disclosed. The coating comprises a top coating composition and a primer composition. The top coating composition comprises fluorocarbon resin, titanium dioxide, near-infrared reflection pigment, an anti-settling agent, a defoamer, a dispersant, a levelling agent, a super-hydrophobic agent and an organic solvent. The primer composition comprises the fluorocarbon resin, the titanium dioxide, silicon dioxide aerogel, the anti-settling agent, the defoamer, the dispersant, the levelling agent, and the organic solvent. The coating can effectively reflect solar heat radiation and has a good self-cleaning property.

The invention relates to a lower-suction range hood, comprising a smoke exhaust hood arranged above or at side top of a stove, a suction device arranged below the smoke exhaust hood, a connection passage for connecting the smoke exhaust hood and the suction device and a vent passage connected with an air outlet of the suction device, wherein the suction device is arranged below the stove so that a suction motor is far from ears of cooking staff with relatively small noise, the noise can be smaller if the suction device is arranged in a cabinet below the stove; (2) fewer circuit and less accessories are arranged in the smoke exhaust hood which is easy to clean; (3) the structure is rational, the smoke exhaust hood, the connection passage and the suction device are separately connected with each other, so that the product is convenient to package and transport, the influence to fitment is avoided, the wall cupboard space cannot be occupied and the appearance is beautiful; the connection passage can be composed of a plurality of pipelines so that the change to old kitchen is convenient.

The invention relates to a crankshaft connecting rod assembly which comprises a left crank, a right crank and a connecting rod. The connecting rod is positioned between the left crank and the right crank and is connected with the left crank and the right crank by a crankpin; a needle roller bearing is arranged between the crankpin and the connecting rod; a cavity is arranged in the crankpin, an oil plug is arranged on one side of the cavity, the right crank is communicated with an oil channel of the cavity via an inclined oil hole formed in the right crank, and a small oil hole which is communicated with the needle roller bearing is further formed in the cavity. The crankshaft connecting rod assembly is characterized by further comprising an oil stain separating part, the oil stain separating part is mounted in the cavity and is a bowl-shaped part, a separating oil hole is formed in the bottom of the bowl-shaped part, and the bowl-shaped part is mounted between the small oil hole and the inclined oil hole. The crankshaft connecting rod assembly has the advantages that lubricating oil is retained when flowing through the oil stain separating part, oil stain with high specific gravity can be thrown to side walls of the cavity under the effect of centrifugal force, the side walls of the cavity are far away from a rotating center, accordingly, oil stain which flows into the needle roller bearing can be greatly reduced, and the needle roller bearing cannot be easily abraded; the crankshaft connecting rod assembly is simple in machining and manufacturing, and a good service effect can be realized.

The invention discloses a purification device of a PCB (printed circuit board) etching liquid medicine. The purification device comprises an etching groove, a liquid medicine tank for containing an OSP (organic solderability preservatives) antioxidant and a sprayer nozzle assembly, wherein the liquid medicine tank is positioned and placed at the periphery of the etching tank and is communicated with the etching tank by virtue of the sprayer nozzle assembly; a reflux outlet and a reflux inlet are positioned and formed on the liquid medicine tank and are communicated by virtue of a circulating pipeline, and the circulating pipeline is further provided with a circulating pump device; in addition, a filter dreg screen is positioned and arranged at the reflux outlet and a purification piece for breaking foam and adsorbing oil stains are positioned and formed at the reflux inlet, so that not only can air bubbles generated by circulating the OSP antioxidant liquid medicine be broken, but also the air bubbles can be decomposed to suspended oil stains which are adsorbed, thereby effectively reducing the oil stains carried when the OSP antioxidant liquid medicine is circulated, preventing the surface of the PCB from being polluted and improving the yield of the PCBs.

The invention discloses an antibacterial composite tablecloth manufacturing method, belongs to the field of tablecloth manufacturing and aims to solve the problem that the prior art is bad in antibacterial effect, high in cost and complex in manufacturing process. The method includes: (1), improving diatomite to obtain surface-modified diatomite powder; (2), processing the surface-modified diatomite powder for standby use; (3), feeding existing plastic into a chopper for chopping; (4), putting plastic fragments obtained by chopping into multi-section hot melting equipment for hot melting; (5),adding thermostabilizer, chlorinated polyethylene aid and composite additive into thermally-molten plastic; (6), mixing the surface-modified diatomite powder with plastic particles, and feeding intorolling equipment after going through an extruder to obtain a corresponding face film; (7), press-fitting the obtained face film with cotton cloth on the undersurface, embossing, cooling, and windingto obtain corresponding composite tabletop. The method has the advantages of simple process, good antibacterial effect and simplicity in manufacturing.

The invention discloses a robot three-dimensional drag chain. The robot three-dimensional drag chain is formed by connecting multiple sections of single chain links. Each single chain link is annular as a whole and is separated into a left chain link and a right chain link by a plane passing the midperpendicular of the single chain link, and the two ends of the left chain link and the right chain link are overlapped with each other at the partition part. One group of groove and hasp which are buckled with each other are arranged in the center of each single chain link, a left spherical surface connector is arranged in the middle of the groove, a right connecting ball is arranged in the middle of the lower part of the hasp, and the right connecting ball can be connected with the spherical surface of the left spherical surface connector in the single chain link below the right connecting ball. The right chain link comprises an inner cambered surface and an outer cambered surface, and the outer cambered surface at the upper part of the right chain link adopts a gradual change structure of which the two sides are thicker than the middle. The robot three-dimensional drag chain overcomes the problem that the traditional robot drag chain is difficult to bend due to the even design of outer ring surfaces in the single chain link structure and is therefore not portable enough when a cable is mounted in the drag chain and the cable in the drag chain is repaired and solves the problem that dust in the air, and oil stains, water stains and the like, produced during robot operation, enter the inner part of the drag chain and pollute the cable due to poor air tightness.

The invention discloses a restaurant circulation type ultra-filtration oil smoke purification device. The device comprises a box body and a smoke cover, wherein a settling cavity is formed in the boxbody, a suction cavity with a downward opening is formed in the smoke cover, a connecting pipe is arranged between the settling cavity and the suction cavity, an electrostatic filtering mechanism withan electrostatic settlement filtering function and a waste residue treatment function is arranged in the settling cavity, a liquid storage cavity is formed in the lower side of the settling cavity, the liquid storage cavity is internally provided with a waste residue degrading liquid, and the liquid storage cavity can communicate with the settling cavity. According to the restaurant circulation type ultra-filtration oil smoke purification device, the double filtering effects are achieved, oil smoke generated by cooking of a kitchen in a restaurant can be effectively filtered, so that the discharged gas is more green and environment-friendly, the surrounding residents are not troubled by the restaurant oil smoke, and the device also can increase the suction force of the device by means ofthe purified and filtered gas.

The invention relates to a method for compositely repairing a scraped polish rod of a pumping unit, and relates to the field of the manufacture of an oil field device. The method comprises the steps of washing, deoiling and derusting the scraped polish rod; selecting a repairable polish rod from the treated polish rods, carrying out the offset grinding repairing on a noncircular cross-sectional section of the repairable polish rod until the cross section is circular; carrying out filling repairing on a corroded surface of the polish rod; carrying out the delustering treatment on the surface of the repaired polish rod, and dotting and roughening the surface of the polish rod; nesting the dotted and roughened polish rod and a nickel-chromium alloy casing pipe, and carrying out the seamless rolling bonding on the polish rod and the casing pipe to obtain a finished product. By adopting the method, the scraped polish rod is reutilized, so that the production cost is saved; the outer casing pipe is compositely seamlessly connected with the polish rod, so that the strength of the composited polish rod is improved compared with the traditional polish rod; the casing pipe is made of the nickel-chromium alloy material, so that the corrosion resistance is high, the sealing effect is good, the service life of the polish rod is effectively prolonged, the replacement period of the polish rod is prolonged, and the manpower and production cost can be reduced.