45results about How to "Ensure no residue" patented technology

The invention discloses a control method for an air assisting type gas drive SCR system. The air assisting type gas drive SCR system comprises an initial state, a heating state, a pressure building state, an injection state, a pressure releasing state and a purging state. In the injection state of the system, a urea metering valve is used for conducting accurate control over the urea solution flow, vehicle-mounted compressed air is used for pressurizing the urea solution in a urea tank, and the pressurized urea solution is metered through the metering valve and then injected into a mixing cavity; and then, the other path of compressed air of the mixing cavity conveys the metered urea solution to a mechanical urea nozzle, the urea solution enters an exhaust pipe and is subjected to the chemical reaction with NOx in engine exhaust gas in a catalytic converter, and the purpose of exhaust gas purifying is achieved.

The invention belongs to the technical field of grease and discloses a removal process for aflatoxin and benzopyrene in peanut oil. The process comprises the following steps: S1) preparing an adsorbent; S2) performing adsorption and centrifugalization; and S3) regenerating the adsorbent. The process disclosed by the invention can effectively remove aflatoxin and benzopyrene, is simple and feasible in operating step and suitable for being industrially popularized and used.

The invention discloses an outer-layer porous orthopedic hard implant material with integrated radial structure and function and a preparation method and application thereof. The preparation method comprises the following steps of mechanical ball milling titanium, niobium and zirconium powder according to the proportion to obtain the Ti-Nb-Zr composite powder, mechanical ball milling titanium, niobium, zirconium and HA powder to obtain the Ti-Nb-Zr -HA powder, then mixing with the pore-forming agent ammonium bicarbonate powder to obtain the composite powder B, pre-compression molding the Ti-Nb-Zr composite powder and the composite powder B to obtain the cylinder pressed blank of the radial grading structure, and finally sintering by utilizing a pulse plasma activated sintering furnace to obtain the orthopedic hard implant material. The orthopedic hard implant material not only has a porous structure due to the outer layer, the bioactive ceramic HA is added, so that the composite material has good bone bonding, the bone integration performance and the low elastic modulus suitable for matching with bone, the orthopedic hard implant material also has excellent compression resistance due to the compact structure of the core part, can be used as a good artificial bone tissue replacement material.

The invention discloses a method for removing benzopyrene from edible vegetable oil, which specifically includes the following steps: (1) degumming; (2) deacidification; (3) preparing an adsorbent; (4) preparing a mixed adsorbent; (5) decolorizing, Deodorization; (6) Filtration. The invention does not destroy any beneficial components in the edible oil through degumming first, has no influence on the quality of the edible oil, and does not cause loss of the edible oil, and the degumming effect is good; because it works under high vacuum, the heating time of the material is short, and the oil Nutrients will not be destroyed. This method is especially suitable for deodorization and deacidification of oils with high content of unsaturated fatty acids and easy oxidation. In addition, it is a large-pore particle adsorption material with large specific surface area and strong adsorption capacity, which ensures that there is no residue in the oil and can be reused. The removal effect of benzopyrene is good, which greatly improves the quality of the oil and eliminates potential safety hazards. .

The invention provides cooking equipment, a control method thereof and a control device thereof. The control method of the cooking equipment comprises the steps that a container body and the total weight of materials in the container body are detected after a drying device is stable in operation; whether or not the total weight stops decreasing is determined; when a judgment result is YES, the drying device is controlled to stop operation, and when a judgment result is No, the drying device is controlled to continue to operate. The method has accuracy of determining whether or not the materials reach the drying target, and suffers from less interference factors to ensure that the drying target of the materials is achieved, so that the problems that the materials are excessively dried or drying is not up to standard are avoided, and the cooking taste of the materials are ensured.

The invention belongs to the technical field of physics and chemistry and discloses a method for removing pigments and metal ions from vegetable oil. The method comprises the following steps: adding 1% to 2% of decoloring adsorbent into the vegetable oil, heating the temperature of the mixture to 75 DEG C to 80 DEG C, carrying out stirring for 30 to 60 minutes at the rate of 100rpm under heat-preserving conditions, then, carrying out standing for 30 to 60 minutes, and then, carrying out centrifugation, so as to obtain precipitates. The method disclosed by the invention is simple and feasible, the pigments and the metal ions can be effectively removed, and thus, the wasting of oils is avoided; the quality of the vegetable oil cannot be damaged, so that food safety is guaranteed.

The invention belongs to the field of separation and purification of sugar and discloses a separation and purification technology of glucose. The technology comprises the following steps of preparation of an adsorbent, liquefaction and saccharification, microfiltration, decoloration and impurity removal, nanofiltration and concentration and crystallization. According to the separation and purification technology, by adopting multi-membrane filter treatment and adsorption treatment, the steps such as ion exchange are omitted, the technology is simple and feasible, and the yield and purify of prepared products are high.

The invention provides a mobile filling machine. The mobile filling machine comprises a longitudinal moving mechanism, a moving platform slidingly connected with the longitudinal moving mechanism, a transverse moving mechanism fixed with the moving platform, and a filling mechanism slidingly connected with the transverse moving mechanism, wherein the filling mechanism comprises a box, a conveying belt and a filling motor; the conveying belt is arranged in the box, and is driven to operate through the filling mechanism; a feeding port is formed in one side of the top end of the box; a filling port is formed in one side opposite to the feeding port at the bottom end of the box; the transverse moving mechanism comprises a transverse guide rail and a guide groove; the transverse guide rail is fixed with the box; the guide groove is fixed with the moving platform; and the filling mechanism slides in the guide groove through the transverse guide rail. The mobile filling machine can realize no residue of coals in filling, and is free of raise dust and pollution.

The invention relates to the technical field of ton bag opening and blanking, in particular to an automatic ton bag opening machine which can achieve automatic ton bag opening and collecting, reduce labor intensity and improve efficiency and safety. The machine comprises a bag breaking cutter and a lifting appliance used for hanging ton bags, and is characterized by further comprising a bag opening bin and a bag collecting bin which are arranged side by side and integrated into a whole. The bag breaking cutter is installed in the bag opening bin, the bottom of the bag opening bin is connected with a discharging bin, a turnover pressing plate is installed in the bag collecting bin, one end of the pressing plate is connected with a driving motor through a rotating shaft, a row of teeth is installed at the other end of the pressing plate, and a waste bag collecting mechanism is arranged at the bottom of the bag collecting bin.

The invention discloses a method for manufacturing panels of color touch screens. The method includes steps of providing substrates; coating positive photoresist layers on the substrates; exposing, developing and solidifying the positive photoresist layers, removing exposed portions of the positive photoresist layers by means of developing and reserving unexposed portions of the positive photoresist layers; forming optical film layers on the reserved portions of the positive photoresist layers and certain regions on the substrates; removing films on the reserved portions of the positive photoresist layers so as to remove first certain portions of the optical film layers, and reserving second certain portions of the optical film layers; forming nontransparent insulating layers on the reserved portions of the optical film layers. The certain regions on the substrates correspond to the portions, which are removed by means of developing, of the positive photoresist layers. The first certain portions of the optical film layers cover the reserved portions of the positive photoresist layers. The second certain portions of the optical film layers cover the regions, which correspond to the certain portions of the positive photoresist layers, of the substrates, and the certain portions of the positive photoresist layers are removed by means of developing. The method has the advantages that problems of environmental pollution and corrosion on substrates made of glass materials due to hydrofluoride can be solved, accordingly, the yield can be increased, manufacturing procedures are easy to control, and the method is suitable for large-scale production.

The invention discloses a cleaning and washing method of a laser drilled aluminum nitride ceramic plate. The cleaning and washing method comprises the following steps that firstly, a drilled aluminumnitride ceramic sheet is soaked with acid, oxide in molten slags reacts with the acid, the molten slags bonded on the aluminum nitride ceramic plate generate holes to be soft, and the molten slags onthe surface of the ceramic plate can be removed only by gently wiping with cloth, so that the damage to the ceramic sheet caused by a scraper is reduced; in the middle of the cleaning, the large softmolten slags can fall off through the multiple times of ultrasonic cleaning and washing, so that the acid can conveniently react with the inner layer molten slags, the cleaning and washing process isaccelerated, and the cleaning and washing efficiency is improved; and low-concentration alkali is used for soaking for short time, the alkali slightly reacts with the surface of the aluminum nitride ceramic sheet, then the molten slags in micro-holes can be completely cleared and washed, the phenomena that the surface of the aluminum nitride ceramic plate is corroded with pits and the roughness isexcessive due to too high alkali washing concentration and too long time are avoided, and no residue of the molten slags in the micro-holes is guaranteed. All the ultrasonic cleaning and washing is performed by placing the aluminum nitride ceramic plate in absolute ethyl alcohol or isopropanol for the ultrasonic cleaning and washing, and the aluminum nitride plate is free of reaction with the absolute ethyl alcohol and the isopropanol, so that the production process is better controlled.

The invention relates to the field of container cover structures, and particularly discloses a pinching-type stretchable cover. The pinching-type stretchable cover comprises a base. The base is provided with a side wall. A matched connection part is arranged on the side wall and is used for being connected to an external container in a matched mode. A base plate is arranged at the upper end of thebase. The pinching-type stretchable cover is provided with a liquid outlet. A container cover inlet is formed in the lower end of the base, and liquid in the external container flows towards the liquid outlet through the container cover inlet. The pinching-type stretchable cover is further provided with an elastic stretchable valve. The stretchable valve comprises a valve seat and a valve body. The valve seat is connected to the liquid outlet. The valve body is made of an elastic material. A notch is formed in the valve body. According to the pinching-type stretchable cover, when liquid is discharged out of the external container, the liquid outlet stretches out of a container opening; after the liquid discharged, the liquid outlet retreats into the container opening, so that residues atthe container opening are avoided, cleanliness and sanitation are guaranteed, and operation is easy and convenient; and the safety is ensured, and the pinching-type stretchable cover is more sanitary.

The invention discloses a semi-automatic barreled raw material pouring device for a chemical industry. The semi-automatic barreled raw material pouring device comprises a mounting support, a lifting assembly and a grabbing assembly, wherein the mounting support comprises first supports and second supports, the first ends of the first supports are connected with the first ends of the second supports, the first end of the lifting assembly is connected with the second end of the first support, the second end of the lifting assembly is connected with the second ends of the second supports, the first supports are perpendicularly connected with the second supports so to enable the mounting support to be in an L shape, a height difference exists between the first end and the second end of the lifting assembly, the grabbing assembly is arranged on the lifting assembly, the grabbing assembly is used for grabbing a raw material barrel, and the lifting assembly is used for driving the grabbing assembly to move in the extending direction from the second ends of the first supports to the second ends of the first supports. According to the semi-automatic barreled raw material pouring device forthe chemical industry, the raw material barrel can be poured very conveniently, and the pouring efficiency of the semi-automatic barreled raw material pouring device is improved.

The invention discloses a drying, crushing and mixing all-in-one machine, comprising a drying and crushing device and a mixing device, wherein the drying and crushing device is connected with the mixing device by means of an upper end discharge valve; the mixing device sequentially comprises an elliptical head, a lower end straight tube and a lower end taper tube from top to bottom, wherein the lower end taper tube is connected with the lower end straight tube, the side wall of the lower end taper tube is provided with a middle air inlet, a lateral air inlet A, a lateral air inlet B, a lateralair inlet C and a lateral air inlet D, and an umbrella-shaped cap is installed on the top of the middle air inlet; an air lifting cylinder is installed in the lower end taper tube. After the drying,crushing and mixing all-in-one machine is used, three operation units, i.e., a drying operation unit, a crushing operation unit and a mixing operation unit are realized in the same equipment, so thatthe mixing time of materials is shortened, and the particle size difference between the materials is further reduced in a mixing process; the drying, crushing and mixing all-in-one machine is stable in structure and convenient to assemble and disassemble, and can be widely applied to the fields such as chemical industry, medicines and food.

The invention belongs to the technical field of strain cultivation, and in particular relates to a harvester for strain cultivation, especially suitable for harvesting crops during the cultivation of crop strains such as wheat and rice. The structural design of the present invention is ingenious and reasonable. In the actual application process, through the unique designs of the feeding mechanism and reeling mechanism in the cutting platform, the discharging auger in the threshing mechanism and the belt conveying device in the lifting and discharging mechanism, From crop harvesting, threshing, transportation to final bagging and collection, the crop seeds are guaranteed to be free of residues to the greatest extent, thus greatly improving the harvesting rate of crop seeds, and at the same time avoiding the problem of intermixing of different strains of crop seeds 1. The purity of the seeds is ensured, and the manual harvesting and peeling operations in the strain cultivation process are replaced by this harvester. On the premise of ensuring the harvest rate and purity of crop seeds, it saves manpower and improves the efficiency of harvesting and threshing. .

The invention provides a wear-resisting and semi-matted handle door bowl sticker and an application method thereof. The door bowl sticker structurally comprises a wear-resisting layer, a semi-matted layer and an adhesive layer, wherein the adhesive layer is an acrylic acid adhesive; the acrylic acid adhesive is polymerized by adopting active free radicals, and a polydispersity index is less than 2.5; the wear-resisting layer is prepared by matching corundum and graphite powder; the semi-matted layer is prepared by matching a benzotriazole ultraviolet absorbent and titanium dioxide; by selecting the material, the effect of excellent comprehensive performance including wear resistance, matting property, no residues, binding property and the like is realized.

The invention discloses a coating for die forging, a film and a manufacturing process. The coating for die forging comprises a base material and glass powder dispersed in the base material. Accordingto the film for die forging, the coating for die forging is applied on a base material through coating. According to the film for die forging, vaporization is started at the using temperature, the vaporization point is high, and no peculiar smell exists in the vaporization process; and in the die forging process, deformation metal flows at high temperature, meanwhile, the film is gradually vaporized, the heat preservation effect can be achieved, it can be guaranteed that no residue exists on the surface of the vaporized forging, and the beneficial effects of being safe and environmentally friendly are achieved.