43results about How to "To achieve the purpose of degreasing" patented technology

The invention relates to a system and a method for reducing the ash content of pyrolysis carbon black of waste tires and recovering Zn. The system comprises a distillation chamber, a first condensation tower and a second condensation tower which are sequentially connected, wherein the first condensation tower is also connected with a zinc collecting tank; the second condensation tower is also connected with an oil collecting tank and a tail gas treatment device; and the distillation chamber is connected with a vacuum pump. According to the method disclosed by the invention, the pyrolysis carbon black is reprocessed by using a vacuum distillation chamber, carbon black and zinc oxide in the pyrolysis carbon black are subjected to a carbothermic reduction reaction under a high-temperature vacuum environment to generate zinc and vaporize at a high temperature, condensation recovery is realized, and residual oil in the carbon black is removed by high-temperature vaporization at the same time; according to the method disclosed by the invention, the ash content of the pyrolysis carbon black can be reduced, the performance of the pyrolysis carbon black is greatly improved, meanwhile, the purposes of recovering zinc and removing excess oil are achieved, the treated carbon black achieves the purposes of deodorization and oil removal, the ash content of the treated carbon black can be obviously reduced, and the recovery rate of crude zinc and oil is high.

The present invention relates to a comprehensive treatment agent, which comprises, by mass, 25.0-30.0% of phosphoric acid, 1.0-3.0% of zinc oxide, 0.1-0.5% of sodium molybdate, 4.0-7.0% of zinc dihydrogen phosphate, 0.3-1.2% of potassium chlorate, 0.3-1.2% of a surfactant, 0.0-2.3% of triethanolamine, 0.8-2.3% of citric acid, 0.1-0.3% of thiourea, and 58.0-62.6% of water. According to the present invention, the treatment agent can be recycled, a treatment cost is low, and pollution on the environment can not be generated.

The invention discloses a high-intensity water-resistance corrugated board and a preparation method of the high-intensity water-resistance corrugated board according to the national standard GB/T22873-2008. The high-intensity water-resistance corrugated board comprises surface paper and inner paper, wherein a corrugated paper layer is arranged between the surface paper and the inner paper; a high-intensity water-resistance adhesive is coated between the peak surface of the corrugated paper layer and the surface paper as well as the inner paper; a special water-resistance additive is added into the conventional corrugated board adhesive; and various technological parameters of a board automatic line are optimized by an ultrafine particle pulping technology, so that the water resistance of the corrugated board is greatly improved and is much higher than the advanced level of products of the same type in foreign countries.

The invention belongs to the technical filed of oil field sewage treatment, and in particular relates to a high-temperature high-salt resistant thick oil thermal recovery sewage degreasing agent which is compounded from a dication surfactant, activated silica, sodium carboxymethylcellulose and water, wherein the dication surfactant is a symmetric molecule with long-carbon-chain alkyl and biquaternary ammonium salt cation polar groups. The degreasing agent provided by the invention has the characteristics of simple preparation process, low cost and good temperature and salt resistance, the mineralization resistance degree of the degreasing agent can be up to 250000mg/L, the temperature resistance of the degreasing agent is up to 250 DEG C, and a good degreasing effect can be achieved; the degreasing rate of thick oil thermal recovery sewage can be greater than 96%, and compared with that of a conventional agent, the degreasing rate of the degreasing agent is increased by more than 40%. Therefore, the degreasing agent can be widely applied to degreasing processes of thick oil thermal recovery sewage.

The present invention provides a preparation method of dried salted large yellow croakers. The dried salted large yellow croakers are prepared by pre-treating, fish flesh perforating, ultrasonic assisted pickling, low-temperature dehydrating, quantifying, vacuum packaging and mild sterilizing. The prepared instant dried salted large yellow croakers can also be preserved for a long term; the quality of the product is improved; and the dried salted large yellow croakers have a shelf life of 30-60 days at a normal temperature and a shelf life of 300-360 days at a cold storage, and overcome problems that the processed dried salted large yellow croakers by using the prior art are high in oil content, need cold storage, are hard in texture, poor in mouthfeel, short in time, etc.

The invention provides a degreaser and a preparation method thereof. The degreaser comprises an emulsifier, a complexing agent, a surfactant and an adsorbent; and the adsorbent is aluminum hydroxide. The invention also provides a preparation method of the degreaser. The degreaser has an excellent degreasing effect, and has an extremely good protection effect on metals in a degreasing solution.

The invention discloses an ultrasonic oil-water separation device, which comprises a water storage tank. The device is characterized in that a plurality of ultrasonic transmitting vibrating plates are arranged in the water storage tank. The device has the advantages that ultrasonic acts on oil-containing wastewater, so that the oil-water separation effect is good, the recovery rate of oil is high, the consumption of energy required when the device works is low, economic benefits are ensured, and energy conservation and emission reduction are realized at the same time.

The invention discloses a CO2/N2 switching type double-circulation extraction process. The process comprises: mixing oil-containing solid waste and organic acid, separating to obtain mixed liquid A and solid waste, adding a polyetheramine aqueous solution into the mixed solution A, separating to obtain an oil phase and a mixed solution B, introducing CO2 into the mixed solution B, protonating, separating to obtain an organic acid and a mixed solution C, returning the organic acid to the oily solid waste, introducing N2 into the mixed solution C, deprotonating to obtain CO2 and a polyetheramineaqueous solution, returning the polyetheramine aqueous solution to the mixed solution A, and returning CO2 to the mixed solution B, wherein the temperature control range of the whole extraction process is 30-70 DEG C. The method has the advantages that (1) the organic acid aqueous solution and the polyether amine aqueous solution are combined for use, so that the purpose of oil removal is achieved, the organic acid aqueous solution and the polyether amine aqueous solution are recycled, the method is environment-friendly and safe to operate, and the oil removal cost is saved, the recovery rateof oil products is high, other impurities are not introduced, and the recovery rate of conventional oil products, especially heavy oil products, can reach 90% or above.

The invention provides a method for degreasing pigskin with a supercritical CO2 extraction technique. The method comprises steps as follows: firstly, fresh pigskin is crushed; and then extraction treatment is performed on the treated pigskin by using CO2 as a supercritical fluid at the temperature ranging from 35 DEG C to 45 DEG C and under the pressure ranging from 35 MPa to 45 MPa with the supercritical extraction technique. With the method, grease in the pigskin is removed with the supercritical CO2 method, the degreasing limitation of a traditional method is broken through, the simple, efficient and environment-friendly extraction purpose is achieved, the cost is saved, and the economic benefit is increased. The whole process is easy to regulate and control due to the mildness of the supercritical CO2 condition, an experimental project meets the efficient degreasing development tendency, the characteristic is obvious, and the feasibility is high.

The invention discloses a retracting and folding multifunctional integrated machine for spectacles, which solves the problem of heavy manual workload in the prior art, and has the advantages of high automation degree and good cleaning effect. The scheme is as follows: the retracting and folding multifunctional integrated machine for spectacles comprises a rotary separation mechanism and a spectacles leg folding mechanism, wherein the rotary separation mechanism comprises a rotary separation disk which is used for receiving spectacles and a conical whirling separation part which is arranged on the inner circumference of the rotary separation mechanism, the conical whirling separation part and the rotary separation disk do differential rotation motion, and the end part of the conical whirling separation part is provided with an outlet for delivering the spectacles out of the outlet; the spectacles leg folding mechanism comprises a second conveying slideway and folding units, the second conveying slideway is inclined downwards to receive the spectacles, and lug sides are arranged on the two sides of the second conveying slideway; and the folding units are arranged on the middle lower part of the second conveying slideway, the spectacles enter the folding units through the second conveying slideway, and each folding unit comprises a first arc flexible push plate and a second arc flexible push plate.

The invention discloses an oil sticking-free coating process applied to an integrated cooker oil screens. The process comprises the following steps of a, carrying out degreasing treatment; b, carryingout pure water spraying; c, carrying out cathode electrophoresis coating; d, carrying out ultrafiltration circulating water washing; and e, putting a frame body provided with oil screens into a drying system to be dried. According to the oil sticking-free coating process applied to the integrated cooker oil screens, the oil screens can be centrally stored, and when the degreasing treatment is carried out, the oil screens keep inclined states and abut against with one another, so that the up-down stacking phenomenon does not occur; the oil screens are completely exposed to a degreasing agent for the degreasing treatment, so that the oil removing effect is improved; meanwhile, generated dirt can fall down to the bottom of a degreasing tank along the oil screens keeping the inclined states,so that the blistering phenomena of the surfaces of the oil screens caused by the deposited dirt on the surfaces of the oil screens are avoided; and oil screen placement plates reciprocate left and right in the degreasing tank through the deformation effect on springs, so that the dirt on the inner walls of through holes of the oil screens is washed off under the action of degreasing agent, and the blistering phenomena of the inner walls of the through hole of the oil screens caused by the deposited dirt on the inner walls of the through hole of the oil screens are avoided.