68results about How to "Guaranteed to remove" patented technology

The invention discloses a method for preparation of battery grade lithium chloride from spodumene leachate. The method includes the steps of: A, adding a sodium hydroxide solution into a lithium sulfate spodumene leachate solution to adjust the PH to 10-13, adding sodium carbonate for reaction, and performing press filtration to obtain a primary lithium sulfate refined solution; B, subjecting theprimary lithium sulfate refined solution to calcium removal by chelate resin to obtain a secondary lithium sulfate refined solution; C, adding barium chloride dehydrate into the secondary lithium sulfate refined solution to obtain a primary lithium chloride solution; D, adding sodium carbonate into the primary lithium chloride solution, and conducting press filtration separation to obtain a secondary lithium chloride solution, and performing acidification and steam stripping to obtain a lithium chloride refined solution; E, conducting triple-effect evaporation on the lithium chloride refined solution to obtain a lithium chloride concentrated solution; F, subjecting the lithium chloride concentrated solution to freezing cooling to precipitate sodium and potassium, thus obtaining a final lithium chloride solution with low sodium and potassium; and G, carrying out concentration and separation on the final lithium chloride solution, and subjecting the obtained solid to drying so as to obtain a battery grade lithium chloride product. The method for preparation of battery grade lithium chloride from spodumene leachate provided by the invention has the characteristics of simple process, high purity of finished product, stable product quality, low cost and high yield.

The invention discloses a method for extracting vanadium from molten iron. The method comprises the following steps: contacting the molten iron with a desulfurizer, separating out the generated slag to get the desulfurized molten iron, and oxidizing the vanadium (V) in the desulfurized molten iron to vanadium pentoxide, wherein, based on the total mass of the molten iron, the molten iron comprises 0.23-0.34wt% of V and 0.04-0.15wt% of S, and the content of sulfur (S) in the desulfurized molten iron is not more than 0.02wt% due to the condition of contacting the molten iron with the desulfurizer; and the desulfurizer comprises Na2CO3, CaO and CaC2, and based on the total mass of the desulfurizer, the content of the Na2CO3 is 2.5-6wt%, the content of the CaO is 69-87.5wt% and the content of the CaC2 is 10-25wt%. By utilizing the method provided by the inventionthe sulfur is ensured to be removed from the molten iron, silicon can be removed from the molten iron to the maximum, and the loss of vanadium is reduced to the minimum at the same time, thereby greatly improving the grade of the vanadium slag and the recovery rate of vanadium during extracting the vanadium.

The present invention relates to method for enhancing preservative effect of lightning protection ground material belongs to manufacture and application field of electrical engineering used conductive metal material. The method is: (1) proceeding surface preprocessing on the metal basic materials for lightning protection ground to form a conversion coating, forming a compactness conversion film at room temperature; (2) coating a conductive closing layer possessing enhancing preservative effect outside the conversion film of metal material conductive; (3) coating a conductive insulation layer possessing enhancing preservative effect outside the conductive closing layer; (4) coating conductive function surface possessing enhancing preservative effect outside the metal basic metarial conductive conversion layer.

The invention discloses a wireless network-based substation grounding wire intelligent management system, which is characterized by comprising a grounding wire fastener and a wireless grounding pile, wherein the grounding wire fastener is arranged in a security tool cabinet, used for fastening a grounding wire and controlled by a grounding wire management host; the grounding wire management host is connected with a fail-safe host; the wireless grounding pile is arranged on site; the grounding wire is connected to a grounding wire end; radio frequency identifier (RFID) chips are arranged on the grounding wire end, the wireless grounding pile and the grounding wire fastener; the connection and disconnection states of the grounding wire end with the wireless grounding pile are fed back to the fail-safe host by a wireless router and a network controller. The system can completely avoid grounding wire misoperation-related accidents, increases the substation grounding wire management level and improves the operation efficiency.

The invention relates to a method for rapidly separating and purifying tangshenoside monomers from Codonopsis pilosula medicinal materials. It includes four steps, 1. Cold soaking extraction: cold soaking with ethanol or methanol; 2. Coarse resin separation: load the sample into the activated macroporous adsorption resin column, divide it into three parts with water, 30% ethanol, and 50%-70% ethanol. 3. Chromatographic separation: After diluting the sample with acetonitrile-water mobile phase, inject the sample, and collect the effluent in sections; 4. Decolorization and purification: load the sample on the polyamide resin In the process, the water eluate is concentrated, and 98.5% high-purity tangshenoside product is recovered. The method is simple and fast, consumes less solvent, is economical and environmentally friendly, and has a high yield, is suitable for industrial production, and has high economic value and academic value.

The invention provides a misoperaiton-preventive locking management system of a temporary ground wire of a substation. The system comprises a ground wire monitoring end, a ground wire management device, a GSM communication module, a misoperation-preventive locking module, a monitoring center and an electronic key, wherein the ground wire monitoring end is connected with a ground wire device and the ground wire management device, the ground wire management device is connected with the GSM communication module and is connected with the misoperation-prevention locking module through the GSM communication module, the misoperation-prevention locking module is connected with the monitoring center, and the electronic key is connected with the misoperation-prevention locking module or the ground wire monitoring end in a short-distance wireless mode, receives an electronic voucher and relative information from the misoperaiton-prevnetion locking module and transmits the electronic voucher and the relative information to the ground wire monitoring end to achieve issuing and authenticating of stipulated operations. The misoperaiton-preventive locking management system has the advantages that a unique code is used for ground wires of different types and different categories, and the use state of the ground wire can be displayed in real time; far-end communication unlocking and local computer key unlocking are achieved, the quantity of managed ground wires is configurable, the ground wires can operate independently and also can be linked to a five-prevention device in use, and safety and reliability are high.

The invention discloses a long vehicle low-temperature steaming technology for fiber textiles and equipment. The technology comprises the following steps of (1) preparing gray cloth, (2) singeing, (3) desizing, (4) scouring, (5) rinsing and (6) drying. The invention further discloses long vehicle low-temperature steaming equipment for fiber textiles. The equipment comprises a scouring mechanism. The scouring mechanism has an immersion barrel and a steaming case connected with the immersion barrel, wherein the steaming case is provided with a case body equipped with an accommodating cavity; a steaming cavity steaming and heating textiles and a temperature balancing cavity preventing steam coagulation and on the upper part of the steaming cavity are disposed in the case body; the case body is equipped with a first steam supplying assembly and a second steam supplying assembly both providing high-temperature steam to the steaming cavity and the temperature balancing cavity. The steaming equipment can effectively reduce equipment energy consumption, save energy and improve production efficiency; and the long vehicle low-temperature steaming technology has short circulating, high efficiency, and can reduce water and energy use.

The invention discloses an integrated irrigation system of water, fertilizer and medicine, which comprises a water supply system. The water supply system includes a rainwater collection tank and a water storage tank. A pesticide applicator and a water and fertilizer irrigation device are connected at the end of the water supply pipe. Between the flow meter and the filter device A water, fertilizer, and medicine supply system is provided; the water, fertilizer, and medicine supply system includes a water and fertilizer integrated tank and a medicine dispensing tank, and the two sides of the water and fertilizer integrated tank are respectively connected with a first water inlet branch pipe and a water and fertilizer liquid output pipe. switch; the two sides of the tank body of the dispensing tank are respectively connected with the second water inlet branch pipe and the liquid medicine output pipe, and the medicine liquid output pipe is provided with a second switch; The water mains are connected, and the water inlet mains are connected to the water supply pipe; the wireless signal controls the deicing of the antifreeze tank. The new integrated irrigation system of water, fertilizer and medicine saves water and energy, reduces labor intensity and evenly fertilizes.

The invention relates to a dust removing and tar removing device and a dust removing and tar removing method for a high-tar and high-dust high-temperature gas. The dust removing and tar removing device for the high-tar and high-dust high-temperature gas comprises a filtering device, a casing device and a back blowing device, wherein the casing device is used for accommodating filters; the back blowing device is used for cleaning dust on the filters; the dust removing and tar removing device for the high-tar and high-dust high-temperature gas also comprises a high-temperature gas circulating device; the high-temperature gas circulating device comprises a circulated gas heating device used for heating a purified gas coming out from the filters; an inlet end of the circulated gas heating device is communicated with outlets of the filters; an outlet end of the circulated gas heating device is communicated with the casing device; the circulated gas heating device is provided with a gas supplementing device used for supplementing an oxygen-containing gas. The device provided by the invention, by combing back blowing and combustion manners, can effectively remove the pollution caused by the dust and tar on the filters, effectively prolongs and improves the service life and the filtration efficiency of the filters, decreases the regeneration time of the filters from 60h to 10h, and increases the service life of the filters by above 50%.

The invention discloses a method for producing high-purity colorless transparent polyaluminum chloride by using aluminum ash. The method comprises the following steps: (1) mixing the aluminum ash withindustrial hydrochloric acid or byproduct hydrochloric acid, and filtering; (2) mixing the filtered pickle liquor with a catalyst and a decolorizing agent, and then filtering; (3) mixing the pickle liquor obtained in the step (2) with a basicity regulator to obtain a polyaluminium chloride solution; and (4) adsorbing the polyaluminium chloride solution by using an adsorbent to obtain the high-purity colorless transparent polyaluminium chloride solution. According to the process, through decoloration, impurity removal and adsorption of the product, the quality of the colorless transparent polyaluminium chloride is controllable in the production process, and the colorless transparent calcium-free high-purity polyaluminium chloride solution can be produced by adopting cheap raw materials.

The invention discloses a treatment method for freezing and deburring an inertial disc, which comprises the following steps: S1, the inertial disc is poured into a container, and the container is driven to rotate, thereby driving the inertial disc to rotate together; S2, the inertial disc is cooled to reduce the temperature in the container to below -40 DEG C, so that the surface of the inertial disc is embrittled; S3, a shot blasting machine is used to spray particles to make the particles strike embrittled burrs on the surface of the inertial disc; S4: after completion, the inertial disc istaken out from the container. The invention greatly improves the cooling efficiency of the inertial disk by cooling the inertial disk through liquid nitrogen atomization, and achieves the embrittlement effect of burrs and improves the particle impact removal. By using the plastic particles, the surface damage of the zinc alloy inertial disc can be avoided, so that the roughness of the inertial disc will not be affected, and finally the rotational performance of the inertial disc in the whole belt assembly will be affected.

The invention relates to the field of automatic casting discharging, in particular to an unpowered automatic casting discharging device. The device comprises a bent jacking rail, an elastic reset mechanism, a clamping mechanism, a pushing mechanism and a supporting table. According to the unpowered automatic casting discharging device, the pushing mechanism is driven by a hook to work, and then acasting is clamped through cooperation of the pushing mechanism and a pressurizing mechanism, so that the device can take down the casting which is placed on a flat plate and can shake; according to the scheme, the pushing mechanism is driven by the pushing force of the hook driven by a moving rail to work, use of electrical elements and a control system is avoided, the manufacturing cost of equipment is saved, electric drive is not needed, and then the manufacturing cost of the casting is greatly reduced; and according to the scheme, the ratio of the working speed of the equipment to the speed of the moving rail does not need to be controlled, it can be accurately guaranteed that the error probability is reduced in the taking-down and long-term using process of the casting, and the debugging frequency of the equipment is reduced.

The invention relates to the technical field of petroleum processing and discloses a petroleum decontaminating device with multiple sieving. The petroleum decontaminating device comprises a sieving box, wherein a round hole is formed in a left lateral wall of the sieving box, a push part is movably arranged on a left lateral wall of a cavity of the sieving box, a supporting plate is fixedly arranged on a right lateral wall of the sieving box, a fixed base is fixedly arranged at the top of the supporting plate, a vibrating motor is fixedly arranged at the top of the fixed base, a vibrating shaft is fixedly arranged on the left side of the vibrating motor, a plastic rod is fixedly arranged at one end far from the vibrating motor of the vibrating shaft, one end of the plastic rod extends intothe cavity of the sieving box, a filter plate is fixedly arranged at one end far from the vibrating shaft of the plastic rod, a filter hole is arranged at the top of the filter plate, a filter screenis arranged in the filter hole, a connection rod is fixedly arranged on one side, opposite to the left lateral wall of the cavity of the sieving box, of the filter plate, and an oil outlet is formedin the right lateral wall of the sieving box. The petroleum decontaminating device with the multiple sieving has the advantages of good sieving effect and convenience for people to use.

The invention provides a cooking utensil, a soybean milk making method, a computer device and a computer readable storage medium. The cooking utensil comprises a shell, a steam generating device, a grinding device and a feeding device, wherein the steam generating device is arranged in the shell and provided with a steam outlet; the grinding device is arranged in the shell and connected with the steam generating device; the feeding device is arranged in the shell, located above the grinding device and provided with a feed inlet, and the feed inlet and a feeding port of the grinding device areoppositely arranged. According to the cooking utensil, steam generated by the steam generating device enters the grinding device through the steam outlet, materials in the feeding device enter the grinding device through the feed inlet and the feeding port, and the action time of steam and various materials can be reasonably controlled, so that inherent nutrition in various materials is not lost,anti-nutritional factors are completely killed, the good quality and eating safety of food with mixed taste are guaranteed, and the use experience of users is improved.

The invention relates to the technical field of copper wire processing, in particular to a device for cooling and drying a copper wire. The device comprises a water cooling device and a drying device.The water cooling device comprises a water storage drum and a circulating water way. A first wire guide wheel and a second wire guide wheel are arranged at the upper end of the water storage drum. Athird wire guide wheel is arranged on the inner wall of the lower end of the water storage drum. A filtering device, a water cooler and a water suction pump are arranged on the circulating water way.The drying device comprises a first wipe-drying device and an air-drying device. The first wipe-drying device comprises a box body and dehumidifying cloth, a sponge is arranged in the box body, a first partition is arranged below the sponge, and springs are further arranged below the first partition. The air-drying device comprises an air pipe and a draught fan. Multiple wire inlets are formed inone end of the air pipe, and wire outlet nozzles are arranged at the other end of the air pipe. Second partitions are arranged on the portion, close to the wire inlet end, in the air pipe. Air inflowpipes are arranged on the two sides of the air pipe. Through the simple structure, the copper wire is better cooled, water on the outer wall of the copper wire is completely dried away after the copper wire is water-cooled, and therefore the use performance of the copper wire is improved.

The invention discloses an online recycling method of high-wet-strength broke, which belongs to the technical field of papermaking and comprises the following steps: step 1, adding retention aid anionCMC into wet-strength paper production; 2, collecting broke generated in the wet strength paper production process, adopting a dry broke treatment steamer with a stirrer for centralized treatment within 2 h, and carrying out heat preservation till paper scraps are completely disintegrated; 3, sending a rewound paper edge to a hydrapulper at the dry part of a paper machine for repulping; 4, conveying the paper scraps screened out by the paper machine screening system directly to a broken paper knocking front groove of the paper machine; 5, conveying the paper treated in the step 2, the step 3and the step 4 to a double-disc pulping machine in a centralized mode to be pulped to obtain a pulp; step 6, conveying the pulp treated in the step 5 to a wet strength paper production system for recycling; according to the method, the pulping fibers are recycled, waste of fiber raw materials is avoided, the paper quality index is not affected, and the water absorption and mildew resistance of thewet strength paper are enhanced.

The invention provides a method for separating multiple active ingredients from peanut coat. The method comprises the following steps: carrying out heating reflux extraction on a peanut coat raw material by adopting a lipophilic organic solvent for more than two times to extract higher fatty acid, carrying out hot water extraction on extraction residues again, carrying out ultrafiltration and nanofiltration, treating a nanofiltration membrane trapped fluid to obtain peanut coat procyanidine, adsorbing a nanofiltration membrane permeate liquid by using a polyamide resin column, eluting to obtain peanut coat catechin, adding low-carbon alcohol into the hot water extraction residues, and obtaining the peanut coat resveratrol through a chromatography aluminum oxide resin column. According to the method, various peanut coat active ingredients can be simply and continuously extracted, peanut coat resources can be comprehensively utilized, the process is coherent and simple, the content of various active ingredients is high, the yield is high, aflatoxin is not contained, and the method is suitable for industrial production.