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

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 hose are 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 tank through 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.

The invention belongs to the field of metallurgic melting, and especially relates to an electron beam melting polysilicon deoxygenation and ingot casting coupling method and an apparatus thereof. The method comprises the following steps: carrying out vacuum pumping on a furnace body and electron guns, starting a melting electron gun to carry out electron beam melting on a polysilicon material, and melting to preliminarily remove impurity oxygen; maintaining a liquid state under the action of a radiation electron gun to further remove oxygen, guiding the obtained material to enter an ingot casting device through a water cooled conveyor belt, and carrying out oriented crystal growth to obtain polysilicon cast ingots. The apparatus comprises an electron beam melting assembly and an ingot casting coupling assemble, the ingot casting coupling assembly comprises the ingot casting device, the ingot casting device is positioned under the water cooled conveyor belt, and the flow guiding opening of the water cooled conveyor belt is positioned over the center of the quartz crucible of the ingot casting device. The electron beam melting deoxygenation method and a use thereof are provided for the first time, electron beam deoxygenation is realized, and ingot casting coupling is combined, so energy required by ingot casting heating of the raw material is reduced, and the production efficiency is greatly improved.

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 relates to a method for removing heavy metal arsenic in euphausia superba extract. The method comprises the following steps: (1) dispersing euphausia superba peptide powder in water or an acid solution to obtain a mixed solution I; (2) mixing the mixed solution I with an adsorbent, carrying out arsenic removal treatment, and removing the adsorbent to obtain a mixed solution II; (3) desolventizing the mixed solution II to obtain arsenic-removed euphausia superba peptide powder; or (1) dissolving the euphausia superba oil in an organic solvent to obtain a mixed solution A; and (2) mixing the mixed solution A with an adsorbent, and carrying out reflux stirring, rotary evaporation and filtration to obtain the arsenic-removed euphausia superba oil. The content of total arsenic in the euphausia superba extract is greatly reduced, and the safety of the euphausia superba extract is remarkably improved. The method is simple and convenient to operate, the used reagent is easy to obtain, the adsorption effect is excellent, the problem about total arsenic removal in the euphausia superba extract is solved, and the excellent arsenic removal effect is achieved.

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 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 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 a 3D printing method for an embedded electronic product and a 3D printer. After each layer of structure material is printed, a layer of release material is arranged around a support reserved position in a jet printing manner, support printing is conducted, and when the set of structure layers are printed, supports of reserved holes and grooves are removed, an electronic component is embedded, printing of the set of electric conduction layer structure, jet printing of electric conduction circuits and jet printing of dielectric materials between the electric conduction circuits are sequentially conducted, the process is repeatedly conducted till the last set of electric conduction layer structure is printed, and the electronic product is packaged through printing structure materials. The release material is introduced between the structure material and a support material, the support material is easy to remove, on one hand, removal of the supports through an ultrasonic alkaline solution is avoided (a traditional support removing technology is not allowed to be adopted in the embedded electronic product), and on the other hand, influences on a printed electric conduction circuit from support removal are avoided. The problem about support removal in the embedded electronic product manufacturing process is effectively solved.

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.