32results about How to "Solve removal puzzles" patented technology

The invention provides a waste plastic recycling process method, aiming to solve the problems of occupation of land resources and environmental pollution caused by waste plastic recycling at present. In the technical scheme, the waste plastic recycling process method comprises the following steps: (1) crushing waste polyethylene plastic, cleaning with a washing barrel, rinsing again in a water tank, drying, and obtaining waste polyethylene plastic particles; and (2) uniformly mixing the waste polyethylene plastic particles with raw polyethylene materials, activators, compatilizers, plasticizers, antioxidants and lubricants, carrying out plasticization and filtration, and finally cutting to obtain granulated plastic. The waste polyethylene plastic and other raw materials are mixed according to the following weight percentage: 60-65 percent of the waste polyethylene plastic, 15-16 percent of the raw polyethylene materials, 15-20 percent of fillers, 1 percent of the compatilizers, 1 percent of the plasticizers, 1 percent of the antioxidants, 0.5-1 percent of the activators and 0.5-1 percent of the lubricants.

The invention relates to a preparation method of 3-guanidino propanoic acid. The preparation method comprises the following steps of: adding 3-aminopropionic acid to methanol, thereby obtaining a solution a at 15 DEG C; putting monocyanamide into methanol, thereby obtaining a solution b; feeding the solution b to the solution a, thereby obtaining a solution c at a temperature within 15 DEG C and PH in the range from 7.5 to 8.0; performing vacuum concentration on the solution c and filtering at -5 DEG C, thereby obtaining a crude product of sodium 3-guanidine propionate; preparing the crude product into an aqueous solution of sodium 3-guanidine propionate, thereby obtaining a solution d2; filling H type weakly acidic cation exchange resin into an ion exchange column, and feeding the solution d2 into the ion exchange column and detecting no 3-guanidino propanoic acid; blending the exchange solution collected by the step e and performing decompression concentration on the exchange solution, feeding methanol, reducing the temperature to -10 DEG C for crystallization, thereby obtaining a crystalline mixed liquid f; and then filtering and drying the crystalline mixed liquid f to obtain 3-guanidino propanoic acid. The problem of removing sodium ions during the production of 3-guanidino propanoic acid is solved through exchange treatment of the weakly acidic cation exchange resin; as methanol is taken as a solvent, the utilization and recovery cost of the solvent is lower and the preparation method is safer to operate; side-reactions are few; the 3-guanidino propanoic acid is extracted by ion resin exchange; and the yield of the 3-guanidino propanoic acid is 76.0% and the purity of the 3-guanidino propanoic acid is 99.0%.

The invention discloses treatment equipment for recycling car washing waste water and an automatic control system. The treatment equipment comprises a combined tank, an ozone generator, an ozone mixed disinfection tank and a recycling water tank, wherein the combined tank consists of an oil-removal grit tank, an anaerobic adjusting tank, a biochemical reaction tank and a flat-panel membrane bioreactor (MRB) tank; an aeration head and an aeration pipe are respectively arranged in the biochemical reaction tank and the flat-panel MRB tank; a flat panel membrane, a suction pipe and a suction hoseare arranged in the flat-panel MRB tank; a membrane cleaning medicine liquid storage tank is connected with the suction pipe; the inlet of a water inlet self-sucking pump is communicated with the anaerobic adjusting tank; the outlet of the water inlet self-sucking pump is connected with the biochemical reaction tank; a inlet of a water outlet self-sucking pump is connected with the suction pipe; the outlet of the water outlet self-sucking pump is connected with the inlet of the ozone mixed disinfection tank through a water outlet pipe; the outlet of the ozone mixed disinfection tank is connected with the recycling water tank; the ozone generator is connected with the water outlet pipe through a jet device; and the biochemical reaction tank is communicated with the anaerobic adjusting tankthrough a discharge pipe. The control system comprises an equipment field control module, a sub-control platform module for a car washing station, a remote main control platform module and a third-party remote monitoring platform module. The treatment equipment and the automatic control system can be applied to the field of recycling of the car washing waste water.

Belonging to the field of metallurgical melting, the invention in particular relates to a method and a device for electron beam melting to remove oxygen from polysilicon and continuous ingot casting. The method includes: subjecting a furnace body and an electron gun to vacuum pumping, starting a electron gun for melting to conduct electron beam melting on a polysilicon material, and preliminarily removing impurity oxygen; under the action of an electron gun for radiation, keeping a liquid state and further conducting oxygen removal, and finally leading the polysilicon liquid into ingot casting equipment through a water-cooled transmission belt to carry out a directional crystal growth ingot casting process so as to obtain a polysilicon cast ingot till the end of directional crystal growth ingot casting processes in all ingot casting equipment. The device includes an electron beam melting assembly and a continuous ingot casting assembly. The electron beam melting assembly comprises a water-cooled melting crucible and the water-cooled transmission belt disposed on one side of the melting crucible. 3-6 ingot casting equipment is fixedly mounted on a rotating platform. The invention puts forward the technological method and application of electron beam melting for oxygen removal, realizes the effects of oxygen removal by electron beams. At the same time, by combining continuous ingot casting, the energy consumption needed by heating the raw materials of ingot casting is reduced, and the production efficiency is greatly improved.

The invention provides a gas distributor for a circulating-flow scrubbing tower and a design method of the gas distributor. The gas distributor is of a branch-shaped distributor structure and is provided with a central gas inlet pipe and at least one branch pipe, wherein the branch pipes are connected with the central gas inlet pipe, a blind plate is arranged at the tail end of the central gas inlet pipe, liquid discharging holes are formed in the blind plate at the tail end of the central gas inlet pipe, and liquid discharging holes are also formed near the lowest ends or the tail ends of thebranch pipes; gas spraying holes are formed in the pipe walls of the branch pipes, and blind plate holes are formed in the tail ends of the branch pipes, or Venturi-type spraying nozzles are arrangedin the branch pipes. The pressure drop and the gas velocity of the spraying holes are adopted as the overall design and control indexes of the gas distributor, the design process is simple and easy to implement, and the diameter distribution and phase interface of bubbles can be controlled; a circulating flow can be formed in a flow guiding canister of the scrubbing tower, the standing time of gas at a liquid layer is prolonged, and the humidity of the gas at the liquid layer and the scrubbing efficiency are improved; even distribution of the gas flow is ensured, discharging of liquid and solid sediments is facilitated at the same time, and the gas distributor is applicable to large-scale gas-liquid-solid three-phase separation equipment.

The invention belongs to the computer image processing field and relates to a single color image shadow removal method based on illumination surface modeling. The method comprises the following steps: carrying out structure and texture decomposition on an original color shadow image and acquiring structure images in three color channels: R, G and B and corresponding texture images respectively; selecting central points uniformly in a non-shadowed region of the image and calculating a radial distance between any two central points; modeling the structure images in the three color channels respectively and acquiring illumination distribution of shadow regions in the three color channels; adding texture images in each channel to the three color channels respectively so as to obtain the image after illumination correction. The method of the invention has a strong adaptability. Too much manual interventions are not needed. The illumination modeling and central point selection adopt an adaptive algorithm. The method can be used for automatically removing the actual image shadow.

The invention discloses a method for removing a separator in a waste lithium ion power battery, which comprises the following steps: crushing the waste lithium ion power battery into crumbs and passing through a 5-mesh screen to obtain small crumbs with a particle size less than 5 mesh and large crumbs with a particle size greater than 5 mesh; Preheating the large particle size crushed material, and controlling the preheating temperature at 100-300 DEG C; Heating and decomposing the crumbs obtained after the preheating is completed until the thermal decomposition of the diaphragm in the crumbsis complete and the temperature of the thermal decomposition is controlled at 300 to 500 DEG C; cooling and recovering The scrap obtained after decomposition. The method adopts two-stage heating design, improves the pyrolysis efficiency of the separator in the scrap material, the pyrolysis of the separator is more complete, the separator in the waste lithium ion power battery can be directly decomposed and removed, and the problem of removing the separator in the scrap material after the scrap material of the waste power battery is broken is solved; At that same time, the process method is simple to operate and easy to industrialize.

The invention relates to a method for detecting personal care products in fish bile. The method mainly comprises the following steps: adding internal standards into samples, hydrolyzing the samples, extracting, purifying, analyzing and detecting the samples. The method is characterized by extracting and purifying bile samples by using an optimum protein and phospholipid removal tube and a d-SPE tube based on a multi-isotope internal standard analysis method, measuring the concentration of personal care products (PCPs) in the purified samples by using a UPLC-MS/MS instrument and a GC-MS instrument, avoiding the problems of short sample storage time, high detection limit and serious interference of complex matrix, and establishing a detection method which is simple and rapid and is high in accuracy and sensitivity. In addition, the method is capable of adding or not adding hydrolase into the bile samples before extracting and purifying, comparing and measuring the total concentration andthe free-state concentration of the PCPs in the bile and facilitating the show of the existence forms of the PCPs in the fish bile.

The invention provides a wet flue gas desulphurization dedusting tower. The tower comprises a tower body, a spraying layer (1) and a demister layer (2) which is above the spaying layer. The tower is characterized in that: a bubbling system (3) special for wet flue gas desulphurization dedusting is arranged above the demister layer (2), wherein the bubbling system (3) special for wet flue gas desulphurization dedusting comprises several flue gas pipes (31) which are combined parallally, bubbling pipes (32) which are arranged between the flue gas pipes or on the pipe walls, and wetting liquid absorption and conveying subsystems (33); liquid steam bubble discharging apparatuses (321) are arranged on the bubbling pipes (32) and are used for discharging liquid steam bubbles to the flue gas pipes (31), and the lower ends or the upper ends of the bubbling pipes (32) are connected with the wetting liquid absorption and conveying subsystems (33). In the flue gas pipes (31), rising flue gas and dense steam bubbles are merged and blended, so that flue gas and steam bubbles are in full contact, a small amount of residual SO2 in the flue gas is absorbed, at the same time ultrafine particles in the flue gas are absorbed or wetted, so that the ultrafine particles either enter liquid, or agglomerate into droplets as a result of wetting, and separation becomes easier. The invention also relates to a wet flue gas desulphurization dedusting method by using the technology.

The present invention relates to a method for deep treatment of produced water of ASP flooding with micro-bubbles. The method comprises the steps of sewage filtration to remove suspended solids ≥ 40 μm; electromagnetic anti-scaling; generation of micro-bubbles, mixing of micro-bubbles and water, and pressurization of sewage jets. , Suspension of oil droplets and microbubble coalescence, cyclone separation as a treatment unit, according to the microbubble particle size <4μm, <10μm, <25μm, <60μm, respectively generated and used, the sewage treatment is divided into corresponding The processing units are processed step by step from small to large. The microbubbles of each level of treatment unit occur at this level; the microbubbles mix and coalesce with the oil beads and suspended particles; the hydrocyclone separates the oil-water cyclone; the invention uses mechanical or physical methods to treat sewage, which is technically economical Good performance, safety and environmental protection, suitable for advanced treatment of ASP flooding produced water, polymer flooding produced water, heavy oil produced water, also suitable for the treatment of other similar sewage containing fine suspended solids, highly emulsified and high viscosity.

The invention relates to a low carbon, clean and efficient distributed energy source system and an operation method thereof, and belongs to the field of distributed energy sources. In the prior art, the development of the distributed energy source system is faced with many challenges such as carbon dioxide emission control, nitrogen oxide emission control, system efficiency improvement, heat island effect, and no comprehensive treatment method can solve the problems. The low carbon, clean and efficient distributed energy source system comprises a natural gas device, a gas distributed energy source system, a flue gas heat recovery device, a flue gas heat utilization device, a CO2 separation device, a CO2 supply terminal, a N2 separation device, a N2 supply terminal, a NOX separation device,a NOX recovery device, an O2 separation device, an O2 supply terminal and an Ar supply terminal. The low carbon, clean and efficient distributed energy source system can effectively solve the problems of carbon dioxide emission control, nitrogen oxide emission control, system efficiency improvement, heat island effect and the like, and can reasonably and effectively utilize flue gas generated bythe gas distributed energy source system.