46results about How to "Efficient and thorough removal" patented technology

A rain water filtration device, the device having a plurality of vertically stacked chambers, each chamber in staggered succession and each chamber in fluid communication with at least one other chamber through a debris screen, the topmost chamber further having a receiving end in fluid communication with a rain gutter and the bottom most chamber further having an exit end capable of fluidly communicating with a storage tank.

The invention relates to the technical field of medical materials, and discloses a preparation method of an accellular amniotic membrane for skin biological stents of tissue engineering. The preparation method comprises the following steps of rinsing and disinfecting the amniotic membrane, soaking into DMEM (dulbecco's modified eagle medium) and glycerin, and storing for 6 months at the temperature of -80 DEG C; repeatedly freezing and thawing the soaked amniotic membrane for 2 to 4 times at the temperature of -80 to 37 DEG C, removing the DMEM and the glycerin, and hatching in trypsin-EDTA in an overnight way; terminating digestion of the hatched amniotic membrane by DMEM containing serum, using PBS (poly(butylene succinate)) to flush, and freeze-drying, so as to obtain the accellular amniotic membrane. The preparation method has the advantages that the repeated freezing and thawing type physical accellular method is combined with the trypsinization type chemical accellular method, and the technology steps are adjusted to be adapted, so that the cells in the amniotic membrane are promoted to be thoroughly removed at high efficiency, the mechanical damage is avoided, and more cell factors in the amniotic membrane are maintained.

The invention discloses an organic waste liquid treatment process, and belongs to the technical field of waste water treatment. The treatment process is mainly characterized in that organic waste liquid and demolding waste liquid are mixed; then, technical treatment such as acid separation treatment, filtration, complex breaking treatment, coagulating sedimentation and biochemical treatment is performed until the standard reaching discharging; organic matters in the water can be efficiently and thoroughly removed, so that the treated water quality can be discharged in the standard reaching way; in addition, waste resources are reasonably utilized; the goal of treating waste by waste is achieved; the operation is simple; the investment is low; the cost is low.

The invention discloses a snow and ice removal vehicle which comprises a vehicle body, a snow throwing machine, an ice-breaking device, an ice-melting device and a heat transferring pipeline. The snowthrowing machine is connected to the front portion of the vehicle body, and the ice-breaking device is connected to the front portion of a vehicle body chassis. The ice-melting device is connected tothe middle of the vehicle body chassis. One end of the heat transferring pipeline communicates with a heat output opening of the ice-melting device, and the other end of the heat transferring pipeline is connected with a horn opening structure. The snow and ice removal vehicle provided by the invention is easy to operate and control, ice and snow layers can be efficiently and thoroughly removed,damage to tracks is not prone to being caused, energy conservation and environmental friendliness are achieved, and secondary environmental pollution is avoided.

The invention relates to the field of welding wire manufacturing, in particular to a preparation method of an aluminum and aluminum alloy welding wire electrochemically plated with a Zn+Cu/Re composite coating and applied to robot welding. A pure aluminum or aluminum alloy wire rod is used as the matrix. Pretreatment, electrochemical plating of the Zn+Cu/Re composite coating and post-treatment areconducted on the surface. The electrochemically plated Zn+Cu/Re composite coating has the functions of reducing welding smoke, improving the porosity resistance of the welding wire and improving solid lubrication and meanwhile fills up pits in the surface of the welding wire matrix, and the electric conductivity and surface quality of the welding wire are improved; the bonding force and strengthof the Zn+Cu/Re composite coating are high, the aluminum or copper peeling phenomenon is avoided, the Zn+Cu/Re composite coating is high in compactness, good in rust resistance and resistant to wear,Zn can reduce welding smoke and splashes, and Re can refine plating layer crystals and reduce the void ratio; and meanwhile, molten bath stirring is enhanced, a molten bath is purified, crystals are refined, pores on the surface and on the inner portion of a welding joint are thoroughly eradicated, and the porosity resistance of the welding wire is improved.

The invention provides a cleaning process of an efficient and green automobile turbocharger remanufactured aluminium part. The cleaning process comprises the steps of (1) soaking, (2) washing, (3) ultrasonic rough cleaning, (4) ultrasonic fine cleaning, (5) one-time rinsing, (6) mildew removal ultrasonic cleaning, (7) oxide layer removal ultrasonic cleaning, (8) second rinsing, (9) passivating, and (10) drying. According to the cleaning process of the efficient and green automobile turbocharger remanufactured aluminium part, a novel mildew removal and oxide layer removal process is used, an oil stain removal process in factors of time, formula ratio, temperature, mode and the like is optimized, foreign matters including the oil stain, the mildew, the oxide layer, dust and the like on radial-flow turbocharger and a fixed-flow turbocharger old aluminium parts with remanufacture value are removed efficiently and thoroughly, a solid foundation is laid for the quality of the remanufactured turbocharger same as a new turbocharger. The remanufacture rate of the turbocharger is improved, the energy, materials and the cost are effectively saved, the waste water discharge quantity is reduced significantly, and sustainable and healthy development of the turbocharger industry is greatly promoted.

The invention provides a biochemical method for removing impurities in Baijiu and provides a method for removing the impurities in the Baijiu by utilizing a bioactive substance. According to the biochemical method provided by the invention, one bioactive substance (whole egg liquid, i.e., raw eggs without egg shells (containing egg white and yolks)) has a mutual effect with the impurities in the Baijiu to be subjected to biochemical reaction; then filtering and distillation methods are carried out to obtain the treated Baijiu. By adopting the biochemical method provided by the invention, the impurities in the Baijiu can be effectively removed, so that the treated Baijiu has a soft taste, people do not get headache after drinking the Baijiu, the discomfort is reduced and damages, caused byharmful substances in the Baijiu, to human bodies are reduced. The biochemical method provided by the invention has the advantages of low requirements on equipment, low technical threshold, short response time, simplicity in operation and low cost. An old distillery does not need to be transformed in a large scale, so that a lot of funds can be saved.

The invention discloses a method for efficiently removing antibiotics in sewage through coupling of microorganisms and photocatalysis, and an up-conversion/titanium dioxide composite material used therein. The method comprises the following steps: preparation of an up-conversion material: doping Pr and Li on Y2SiO5; loading of titanium dioxide on the up-conversion material; construction of a periphyton-up-conversion-titanium dioxide composite system; and removing tetracycline in the sewage by using a periphyton/up-conversion/titanium dioxide composite system; and removal of tetracycline in sewage by using the periphyton-up-conversion-titanium dioxide composite system. The method disclosed by the invention can be used for efficiently, thoroughly and environmentally-friendly removing antibiotics in sewage, is a low-cost, flexible and easy-to-operate antibiotic removal method, and is suitable for non-point source sewage or municipal sewage with a relatively high antibiotic concentration.The method is remarkable in effect; 82% of tetracycline in the system is degraded after 24 h, and the periphyton still keeps biological activity; and compared with a microbiological method, the methodis more efficient in tetracycline removal, and the tetracycline removal rate is higher than the tetracycline removal rate of the periphyton by about 40% within 24 h.

The invention discloses external-use composition for skin. The composition is prepared from a component A and a component B, wherein the component A is hydrogen peroxide, sodium perborate or calcium peroxide; the component B is matrine, sophora alopecuroides, maca glucosinolate, sodium humate or aloe. The composition has the advantages as follows: the broad spectrum property can be improved, the treatment efficiency and the curing effect can be improved, the composition is safe and reliable to use, and multiple side effects caused by treatment are reduced.

The invention belongs to the technical field of solar cells. The invention relates to an additive for removing winding plating of a topcon battery. The additive is prepared from the following components in percentage by mass: 0.1 to 0.5 percent of silane coupling agent, 0.5 to 2 percent of alkyl trimethyl ammonium bromide, 0.01 to 0.1 percent of polyoxyethylene and the balance of deionized water. The additive disclosed by the invention can be adsorbed on the surfaces of borosilicate glass and phosphorosilicate glass growing on a silicon wafer, two silicon oxide films are protected from being corroded by alkali in the process of removing the winding plating, and meanwhile, the corrosion rate of the winding plating in an alkali solution can be improved, so that the winding plating is removed more quickly and thoroughly.

The invention discloses sand beach cleaning equipment which comprises a frame, a sand shoveling mechanism, an adjusting mechanism and a sundry collecting box; a first filter plate, a second filter plate and a third filter plate which are arranged on the frame in a vibrating manner; the sand shoveling mechanism comprises a bucket used for being inserted into sand and a sand guide plate used for guiding the sand to the first filter plate block; the adjusting mechanism is used for adjusting the depth of the bucket inserted into the sand; and the sundry collecting box is arranged at the rear end of the frame and located below a discharge port so as to collect sundries discharged from the discharge port. The adjusting mechanism is arranged to adjust the depth of the bucket in the sand shovelingmechanism inserted into sand so as to adjust the thickness of the sand shoveled by the sand shoveling mechanism, a worker can adjust the sand shoveling thickness according to different impurity content states of different sand beach sand, it is guaranteed that a sand layer containing impurities can be shoveled thoroughly, not only is the applicability of the sand beach cleaning equipment to sandbeaches in different conditions improved, but also it can be guaranteed that the sand beaches can be thoroughly cleaned.

An environment-friendly sewage suction boat is used for sucking or salvaging garbage floating on the water surface, belongs to the technical field of environment-friendly equipment manufacturing, and comprises a boat body which is provided with a sewage suction port with a square cross section, a water filter internally provided with a miscellaneous water separator and a water suction channel with a square cross section in a communicating mode from the front end to the rear end, wherein the end, opposite to the water filter, of the water suction channel extends out of the boat body. The water filter is a hollow cylinder with the axis perpendicular to the axis of the sewage suction port, the circle center of the cross section of the water filter is flush with the inner bottom wall of the water suction channel; and the portion, located below the water suction channel, of the water filter communicates with an impurity channel inclining downwards. The environment-friendly sewage suction boat is designed in the mode that the sewage suction port, the water filter and the water suction channel with the square section are arranged on the boat and matched with the collecting bin, so that solid impurities on the water surface can be efficiently and thoroughly removed, and the problems that at present, manual salvage is adopted, so that the labor intensity of workers is large, time and labor are wasted, and efficiency is low are solved.

The invention discloses a cleaning agent for oil stains on the surface of an artificial joint wax mold, and a treatment method, and belongs to the technical field of wax mold cleaning. The cleaning agent is formed by mixing a limonene solution with the mass concentration of 85%-95% and 2-thiophenyl ethanol with the mass concentration of 95% or above, wherein the volume ratio of the limonene solution to the 2-thiophenyl ethanol is 2-2.2:2.8-3. After the artificial joint wax mold is cleaned by using the cleaning agent and the treatment method provided by the invention, the surface of a wax pieceis free from oil stains, corrosion traces, rinsing by using clear water, harmful substances and harm to a human body, and waste liquid after cleaning can be recycled and reused for cleaning handwriting left after writing by using an oily pen.