74results about How to "Reduce the difficulty of mixing" patented technology

The invention relates to a method for enhancing dry-process fermentation stability of sludge by adding kitchen waste, belonging to the field of solid waste recycling. The invention can solves the problems of low acidifying degree of hydrolysis, insufficient substrates for producing methane, overhigh pH value, ammonium salt accumulation, inhibition of gas generation and the like caused by high viscosity of dewatered sludge, high TS concentration, low C / N value and the like. The method comprises the following steps: pulverizing kitchen waste, mixing the kitchen waste and dewatered sludge in the weight ratio of 1:10-15, putting the mixture in a fermentation tank to ferment, and sufficiently stirring, wherein in the fermentation process, the temperature of the materials is kept at 35+ / -1 DEG C, and the oxidation-reduction potential is smaller than or equal to -300mV; when the pH value rises to 7.5 and the methane content rises to higher than 35%, adding the kitchen waste into the fermentation tank again in batches, wherein the addition amount of the kitchen waste each time accounts for 5-10 wt% of the dewatered sludge, the pH value of the mixed materials is preferably greater than or equal to 6.6, and the preferable addition time is when the pH value of the materials rises to higher than 7.5; and when the methane content is lower than 35% and the gas generation rate obviously decreases, finishing the fermentation. The invention can be used for municipal sludge recycling and energy recovery. Compared with wet fermentation, the invention can save equipment investment and soil occupation.

The invention discloses a double-spiral-shaft continuous homogenization system for a lithium battery slurry material in the technical field of lithium battery slurry material production. The system comprises powder material storage bins, liquid storage tanks, powder material weight loss feeders, liquid metering feeding devices, a premixing conveyor, a double-spiral mixer, a slurry material iron-removal filter, a homogenizer and a slurry material defoaming treatment tank, wherein an auxiliary material feeding port and an exhaust port are formed in the double-spiral mixer; a cooling unit is connected to the outside of the double-spiral mixer; thermocouples are uniformly arranged inside the double-spiral mixer; the thermocouples are controlled by a controller; an outlet of the buffer tank isconnected with the homogenizer; and an outlet of the homogenizer is connected with the slurry material defoaming treatment tank, so that the slurry material mixing difficulty is low, and the service life of the equipment is effectively prolonged; and after iron removal by filtration and the slurry material reaches the buffer tank, slurry material vacuum defoaming and further sol are carried out, so that a binder which cannot be completely dissolved can continue to be fully dissolved, and the required fineness, solid content and viscosity of the slurry material are achieved.

The present invention relates to a purification method for coal tar soft pitch. The method is characterized by comprising: stirring and uniformly mixing coal tar soft pitch with a softening point of 30-60 DEG C and a solvent according to a mass ratio of 1:0.5-1.5 at a temperature of 120-300 DEG C; carrying out thermal and adding the resulting material to a continuous centrifuge; carrying out continuous centrifugation separation at the same temperature to obtain a supernatant and residue; carrying out vacuum distillation on the supernatant; removing the solvent to obtain the purified pitch; and recovering the solvent to reuse. The method of the present invention has the following advantages and effects that a dissolution property of the soft pitch in the solvent and a process yield can be significantly improved, difficulties of mixing and separation are significantly decreased, and operation and maintenance are convenient.

The invention discloses a vehicle siloxane damping elastomer. The vehicle siloxane damping elastomer comprises the following components: 100 parts by weight of polysiloxane matrix resin, 10-20 parts by weight of oligomeric polyester polyol with number-average molar mass of 100-150, 1-5 parts by weight of organic bentonite, 50-60 parts by weight of silicone oil, 20-30 parts by weight of silica dioxide, 20-30 parts by weight of glass beads and 2-3 parts by weight of antioxidant, wherein the weight ratio of the oligomeric polyester polyol to the organic bentonite is (4-6):1. The vehicle siloxane damping elastomer disclosed by the invention has good machinability and high system homogeneity; a product obtained by machining the vehicle siloxane damping elastomer has good quality and bright and clean surface as well as good elasticity, strong sound insulation and noise elimination capacity and good stretching and restoration performance.

The invention provides a composite powder particle of a submerged arc surfacing high boron alloy and an application method thereof, 6-14 meshes of composite powder particle made by the steps of powdercomponent dry mixing, soaking mixed powder in pure water to be mixed and wetted, rotary bonding granulation, low temperature sintering, sieving and the like is prefabricated in a weld bead, and a solid welding wire is used as an arc carrier for submerged arc surfacing, so that the composite powder melt and the solid welding wire droplet are fused into an integrated surfacing weld pool. Under theaction of arc heat, most of the boron carbide and metal chromium components contained in the composite powder particle are subjected to in-situ metallurgical reaction to form a primary M2B hypereutectic high boron alloy with a large length-width ratio and a microhardness average reaching 1622 HV. The high boron alloy prepared by the composite powder particle has excellent abrasion resistance and high toughness, and can be used for submerged arc surfacing welding wear-resistant alloy layers of parts under a low stress abrasive wear condition, and can protect the open arc welding directly.

The invention discloses a mixing and stirring device for a high-viscosity fluid for synthetic resin. The mixing and stirring device comprises a casing, the casing is divided into a mixing zone and a stirring zone through a partition plate, the top in the mixing zone is provided with a plurality of feeding pipes 1 extending into the top from the outer part of the casing, the end of the feeding pipe1 in the mixing zone is provided with a plurality of nozzles, the side in the mixing zone is provided with a plurality of feeding pipes 2 extending into the side from the outer part of the casing, the end of the feeding pipe 2 in the mixing zone is provided with a plurality of nozzles, the bottom of the partition plate is provided with an overflow hole, a stirrer is arranged in the stirring zoneand the bottom of the stirring zone is provided with a discharge outlet. The mixing and stirring device has a simple structure and a scientific design. A plurality of chemical solvents are sprayed into a reaction chamber and are mixed in the form of small droplets in the reaction chamber so that the difficulty of mixing is reduced and the solvents subjected to the preliminary mixing enter the stirring zone and are stirred.

The invention provides a preparation method of insoluble sulfur and a used anti-reversion stabilizer thereby. According to the method disclosed by the invention, methane is selected as an anti-reversion stabilizer, and the methane is added into liquid sulfur at a sulfur vaporization stage according to a certain mass ratio and decomposed into living free radicals in the presence of living free radicals of sulfur vapor. In the process of quenching the sulfur vapor mixed with the methane, insoluble sulfur end groups produced by polymerization of the sulfur vapor are terminated by the living freeradicals produced by decomposition of the methane, and the insoluble sulfur stabilization process is completed. The methane is added at the liquid sulfur vaporization stage, and the methane is mixed with the sulfur vapor in a gaseous form after sulfur vaporization, rather than being added into the product at the later stage in a solid or liquid manner, so that uniform contact mixing of the insoluble sulfur and the stabilizer can be realized to the greatest degree, the stabilizing process and mixing difficulty of the stabilizer are reduced, and the production efficiency is increased; and moreover, the stabilizer is added at an earlier stage of production, so that reversion of the insoluble sulfur is avoided, and the product quality is improved.

The invention discloses a vehicle siloxane damping elastomer. The vehicle siloxane damping elastomer comprises the following components: 100 parts by weight of polysiloxane matrix resin, 10-20 parts by weight of oligomeric polyester polyol with number-average molar mass of 100-150, 1-5 parts by weight of organic bentonite, 50-60 parts by weight of silicone oil, 20-30 parts by weight of silica dioxide, 20-30 parts by weight of glass beads and 2-3 parts by weight of antioxidant, wherein the weight ratio of the oligomeric polyester polyol to the organic bentonite is (4-6):1. The vehicle siloxane damping elastomer disclosed by the invention has good machinability and high system homogeneity; a product obtained by machining the vehicle siloxane damping elastomer has good quality and bright and clean surface as well as good elasticity, strong sound insulation and noise elimination capacity and good stretching and restoration performance.

The invention discloses a high-purity gold-silver-palladium-platinum alloy bonding wire and a preparation method thereof, and relates to the technical field of alloy materials. The high-purity gold-silver-palladium-platinum alloy bonding wire comprises the following components in percentage by weight: 4-7% of gold, 85-94% of silver, 3-4% of palladium and 1-2% of platinum. According to the invention, no matched water cooling needs to be arranged during actual implementation, so that the equipment cost is reduced, waste heat generated in the cooling process can be recycled, the mechanical mixing effect of the first batch of raw materials is more ideal, the time required by the process is further shortened, and more energy conservation and environmental protection are realized while the production efficiency is improved.

The invention relates to the technical field of beef pickling equipment, and discloses beef pickling equipment convenient for spice adding. The equipment comprises a pickling tank and a tank cover, wherein the tank cover is in threaded connection to the surface of the pickling tank; a bearing is fixedly embedded in the surface of the pickling tank; a stirring shaft is fixedly connected to the inner surface of the bearing; a motor mounting plate is fixedly connected to the surface of the pickling tank; a servo motor is fixedly connected to the upper surface of the motor mounting plate through bolts, and the output shaft of the servo motor is fixedly connected with the left end of the stirring shaft; a stirring rod is fixedly connected to the surface of the stirring shaft, and is positionedinside the pickling tank; a first conical cylinder is fixedly connected to the inner surface of the tank cover; and a second conical cylinder is movably connected with the outer surface of the first conical cylinder. According to the beef pickling equipment, the problem that the stirring difficulty is increased since spices are accumulated on beef when spices are added with current beef pickling equipment can be solved due to the arrangement of the first conical cylinder, the second conical cylinder, a third conical cylinder, a disc and a movable rod.

The invention discloses a layered efficient mud treatment device. The layered efficient mud treatment device comprises a treatment tank, motor frames and an exhaust port, wherein a flat plate is arranged at the inner part of the treatment tank; sliding rails are arranged at two sides of the flat plate; sliding rail check blocks are arranged at the tail parts of the sliding rails; small pulleys arearranged at the inner parts of the sliding rails; pull rings are fixedly arranged at the outer side of a mud collection plate; the outer sides of protruding blocks are tightly adhered to grooves; electric heating elements are arranged at the inner part of the flat plate; first motors are arranged at the inner parts of the motor frames; first rotating shafts are arranged under the first motors; draught fan fixing frames are fixedly arranged at the outer sides of draught fans. The layered efficient mud treatment device disclosed by the invention is complete in inner structure, a mud treatment effect is better, and one-off treatment capacity of mud is larger; secondly, when the layered efficient mud treatment device is used for treating the mud, consumed time is shorter, and air cannot be polluted by a gas discharged during a mud treatment process.