373results about How to "Reduce unit energy consumption" patented technology

The invention relates to a method for processing oil sludge, and is suitable for processing ground crude oil in oil field, and a whole technology does not impacted by the loading. According to the existence state of oil, sand and water in oil-containing sludge, by the steps of heating, adding drug, homogenizing, aerating, depositing and centrifuging at high speed, the existence distribution state of oil, sand and water can be changed, the sand-in-oil phenomenon in the original oil sludge is gradually changed to sand-in-water, and the inclusion viscosity of the crude oil to sediment is reduced. Through settlement, oil sludge can be separated before entering into a centrifuge, the loading of the high speed centrifuge is reduced, processing amount of a device is increased, and the unit energy consumption is reduced. The separated sediment surface as well as the internal oil content are reduced to the lowest limitation. The unit treatment process parameter can be freely adjusted according to the oil-containing sludge processing requirement, the method has certain adaption capability; the process is simple and smooth, the operation and management are convenient, recovered crude oil and processed sediment can reach the standard in a stable manner, and a system employs the combination of automatic mode and manual operation.

The invention relates to a preparation method of multi-element slurry used for producing synthesis gas and also relates to the multi-element slurry by adopting the method. The method comprises the steps as follows: material containing carbon and hydrogen, additive, pH regulator and fluxing agent are adjusted by given values; all material feeding lines are provided with a detecting and measuring device respectively so as to carry out the online detection of the material feeding quantity, send the detected signals to a control system and reset all material feeding quantities in combination with characteristics such as consistency, composition and the like of the grinder slurry till the prepared slurry meets the requirement of a synthesis gas production system. The multi-element slurry prepared by the method achieves the conditions of 58-70wt% of consistency of fixed matter, less than 1500mPa.s of viscosity, less than 200 mesh of granularity and 30-60wt% of grains, the quality is stable, the conveying and gasifying are easy to be carried out and the method has obvious economical benefits.

The invention discloses a method for recycling active ingredients in the amoxicillin mother liquor synthesized by an enzymatic method. The method includes synthesizing the amoxicillin mother liquor by the enzymatic method; separating the amoxicillin mother liquor through a macro-porous resin column, eluting the separated amoxicillin mother liquor by deionized water, and collecting an eluant rich in D-4-Hydroxyphenylglycine and an eluant rich in 6-amino penicillanic acid (APA) respectively; filtering the eluant rich in D-4-Hydroxyphenylglycine with Daltonian ultrafiltration membranes with a cutoff molecular weight of 150 to 200; performing nanofiltration concentration on the Daltonian ultrafiltration membranes for the filtered liquor with the cutoff molecular weight of 150 to 200, and standing, crystallizing and filtering the concentrated liquor to obtain solids, and drying the solids to obtain the D-4-Hydroxyphenylglycine. According to the method, the technological design is reasonable, the operation is convenient, the recycling effect is good, and energy is saved and the environment is protected.

The invention provides a novel process for fermenting coenzyme Q10 based on online oxygen consumption rate control. Oxygen consumption rate is controlled at 30-150mmol/L*h during fermentation of coenzyme Q10 strain production, so that growth of thallus and starting and accumulation of coenzyme Q10 synthesis are promoted. Yield of coenzyme Q10 is evidently increased, unit energy consumption is lowered, and production cost is lowered greatly. The novel process is simple to control, high in operability, energy-saving and the like.

The invention provides pressure swing adsorption oxygen generating equipment and method. The equipment comprises an intake pipeline, a heat regenerative adsorption type dryer, a gas conveying pipeline, a pressure swing adsorption oxygen generating host, a finished gas output pipeline, a regenerating pipeline and an exhaust gas recovery tank, wherein an inlet of the heat regenerative adsorption type dryer is connected with the intake pipeline, and an outlet of the heat regenerative adsorption type dryer is connected with the gas conveying pipeline; an inlet of the pressure swing adsorption oxygen generating host is connected with the gas conveying pipeline, and an outlet of the pressure swing adsorption oxygen generating host is connected with the finished gas output pipeline; the pressure swing adsorption oxygen generating host also comprises a first adsorption tower and a second adsorption tower, and an outlet of the first adsorption tower is connected with an inlet of the second adsorption tower through a third pipeline; an outlet of the second adsorption tower is connected with an inlet of the first adsorption tower through a fourth pipeline, and the exhaust gas recovery tank is arranged on the regenerating pipeline. By adopting an exhaust recovery device, a seven-valve two-step non-equipotential voltage-sharing process, and a low-speed voltage-sharing control technology, the unit energy consumption of oxygen generation can be substantially reduced, and the air utilization rate and the equipment reliability are improved.

The invention relates to a mine gas separation liquefaction method and a device. The technical proposal of the method is that raw mine gas is compressed and purified, the impurities are removed to produce compressed purified mine gas; the compressed purified mine gas is inlet into a heat exchanger to be cooled to below 82.5 degree centigrade below zero; the cooled mine gas is inlet into the middle part of a fractionating tower, wherein the bottom part of the fractionating tower is provided with an evaporator, the top is provided with a condenser; the top of the fractionating tower produces low temperature air of high purity, while the bottom of the fractionating tower produces high purity liquefied natural gas; the low temperature air separated at the top of the fractionating tower is inlet into the heat exchanger to be used as the cold energy source. The method and the device of the invention avoids production process of nitrogen at low temperatures and adopts the method of air recycling, thereby the structure is simple, the cost and the energy consumption are reduced, and the device and the method are more conducive to wide popularization.

The invention discloses a method for large-scale preparation of carbon, gas, oil and liquid by thermal cracking of biomass materials; the method includes the following production steps: material pulverization-drying and molding-thermal cracking-cooling and separation; in the invention, waste heat in a cooling system and a thermal cracking system is induced into a drying and molding system for drying materials, biomass fuel gas obtained by cooling and separation is burned to provide heat for thermal cracking, surplus biomass fuel gas is stored and used as industrial or domestic fuel. In thermal cracking, a plurality of thermal cracking reactors are taken as one batch to form one row which is positioned in a thermal cracking furnace. The method can raise comprehensive heat utilization efficiency of the system, greatly reduce unit energy consumption of products, improve the operating efficiency of the system, achieve outstanding energy-saving effect, shorten molding time of products, reduce heat emission and effectively control thermal pollution, thus achieving significant environmental production benefits. The method can realize large-scale production and has the capacity of treating tens of thousands of tons of raw materials every year.

The invention discloses a method for blasting plant biomass walls with oxygen, comprising the following steps of: firstly, adding ethanol, hydrogen peroxide with concentration of 30% and water to crushed plant biomass, mixing the materials to oxidize and soak the materials, and conveying the oxidized and soaked materials to an oxygen blasting tank via a feeding port of the oxygen blasting tank; secondly, sealing the feeding port of the oxygen blasting tank, regulating the temperature of the gas in the oxygen blast tank at 80-150 DEG C and the pressure within 1-4 MPa by conveying pressure air to the oxygen blasting tank, preserving heat and keeping pressure for 20-200 seconds to soak the plant biomass into ethanol, hydrogen peroxide with concentration of 30%, steam and water; and finally, completely opening the discharge port of the oxygen blasting tank within 3 seconds to reduce the pressure in the oxygen blasting tank to the normal pressure. The invention aims to provide the method for blasting plant biomass walls with oxygen, which can be used for completely and uniformly decomposing the plant biomass and realizing industrialization production and has high production efficiency.

The invention provides a method for separating and extracting copper and cobalt-nickel in low-grade complex mixed copper-cobalt ore, which uses low-grade complex mixed copper-cobalt ore (sulfide and oxide) as a raw material to extract an intermediate product of the copper and cobalt-nickel by adopting process flows of crushing and grinding ore into slurry, leaching the slurry with acidic villaumite by a wet method, extracting copper powder by reduction and replacement, vulcanizing and depositing nickel (cobalt), concentrating, drying, baking and hydrolyzing deposited mother solution at low temperature and the like. The method comprises main technical points that metallic elements in the mixed copper-cobalt ore are dissolved and leached by the acidic villaumite under normal pressure; copper in leaching liquor is reduced and deposited by a reducing agent; the cobalt and nickel are deposited by a vulcanizing agent to obtain the intermediate product; the mother solution is concentrated, dried, baked and hydrolyzed at low temperature after cobalt-nickel deposition to obtain metal oxide, metal oxychloride and hydrogen chloride containing iron, magnesium and the like; hydrogen chloride is reclaimed to obtain hydrochloric acid, and baked solid is leached into water to obtain chloride solution; and the hydrochloric acid and the chloride solution are used for leaching of ore slurry. The method comprehensively reclaims the copper, the cobalt-nickel and the like, and has the characteristics of high leaching rate of the copper and the cobalt-nickel, less energy consumption, low cost, closed circulation of chlorine (hydrochloric acid), less investment of project engineering and the like. The whole process is concise, clean and environment-friendly. The method is particularly applicable to large-scale industrial production.

The invention discloses laminated glass, comprising an upper super-white coated glass layer, SGP (SentryGlas Plus) film and a lower super-white coated glass layer. The invention also discloses a preparation method of the laminated glass, comprising the steps of providing a raw sheet, cutting, polishing edge, washing, tempering, coating, washing, laminating, pressing primarily, vacuumizing, heatingand pressurizing in a high-pressure kettle, holding the temperature and pressure in the high-pressure kettle, lowering the temperature and pressure in the high-pressure kettle, removing from the kettle, trimming and dressing, finishing, packaging, and allowing the finished glass to leave a factory. The heating mode is modified to a mode with a heating tube and a convection fan, so that heating uniformity of glass is improved, glass heating efficiency is improved, SGP laminated glass has better visible light transmittance and strength, production time of the SGP laminated glass is shortened, and energy consumption is lowered.

The invention discloses a method for preparing chondroitin sulfate from fish bone, which comprises the following steps of: pretreating fish bone, subjecting the fish bone to steam explosion treatment, carrying out the enzymatic hydrolysis of the fish bone, removing impurities, carrying out centrifugal separation, settling the solution, washing the sedimentation and drying the product. The method disclosed by the invention is simple, low in production cost, short in production period, mild in reaction conditions and high in equipment utilization rate. The average yield of the method is 8.7%, and the chondroitin sulfate content of the obtained product is 92.1% on average. The method well addresses the utilization of fish bone in fish processing, thereby improving the added value of leftovers from aquatic product processing and the comprehensive utilization rate of fresh water fish.

An energy-saving and environmentally-friendly kiln body comprises a thermal insulation fire-proof layer, a calcining chamber, a graphite crucible, horizontal heating chambers and a sealing box, wherein the graphite crucible and the thermal insulation fire-proof layer are respectively arranged inside and outside the calcining chamber; the upper horizontal heating chamber and the lower horizontal heating chamber are respectively arranged above and under the graphite crucible; an upper horizontal heating body and a lower horizontal heating body that correspond to each other are horizontally arranged in the upper horizontal heating chamber and the lower horizontal heating chamber; one end of each horizontal heating body is arranged in each heating chamber, and the other end of the horizontal heating body passes through a side wall, the thermal insulation fire-proof layer and a furnace shell in sequence and then extends into the sealing box; high-temperature fibers are filled in gaps between the heating bodies and plug bricks; and a gas inlet port and a copper electrode are arranged on the sealing box. In a vanadium-nitrogen alloy high-temperature sintering kiln adopting the energy-saving and environmentally-friendly kiln body, a low-temperature segment, a transition segment and a high-temperature segment adopt different manufacturing materials and different heating bodies so as to adapt to calcining processes. According to the design, the unit energy consumption is lower, and the operation conditions are better; in addition, the process atmosphere and the calcining effect in the kiln are better, and the service life of the kiln is longer.

The invention discloses a device and a method for continuously coating a fiber with a metallic conductive function film through magnetron sputtering, and belongs to the field of vacuum film coating. The method comprises the following steps: winding fiber filaments around an unwinding device; putting the unwinding device into a vacuum chamber for filament moving; cleaning and roughening the fiber filaments unwound by the unwinding device through a plasma cleaning device repeatedly in parallel; performing film coating on the cleaned fiber filaments through an auxiliary plasma film coating device and a rectangular magnetron sputtering target repeatedly in parallel; winding the film-coated fiber filaments around a winding device so as to complete film coating. During cleaning and surface roughening through the plasma cleaning device, introduced gas is mixed gas of oxygen and argon, oily substances on the fiber are decomposed, and meanwhile, the surface of the fiber is roughened to increase the adhesion force of the film. The auxiliary plasma film coating device is used for increasing the adhesion force of the film through ion bombardment. According to the device and the method, the defects of pollution, high operation cost, poor adhesion force and the like in the prior art are overcome. The device and the method have the advantages of uniform coating, impurity elimination, high adhesion force and the like.

The invention provides an oilfield oil sludge treatment method. Oil sludge is fed into a homogeneous agitation tank at the speed of 4 m<3>/h by a screw feeder and jetted by pressurized hot water at the temperature of 65-80 DEG C, the ratio of oil sludge to water is (1:4)-(1:6), then the mixture is heated to 80-95 DEG C, agents comprising, by concentration, 0.5%-1.2% w/w of a demulsifying agent, 1.0%-2.0% w/w of a gel breaker and 10%-15% w/w of an organic solvent are added and stirred for 60-90 min at the speed of 20-30 r/min, a floating oil liquid is drained, a product is input into a horizontal spiral separating machine for separation at the rotating speed of 2,800-3,000 r/min, the oil liquid after separation enters a trapezoidal sedimentation tank, after natural setting is performed for 4 h under the condition of 85 DEG C, an upper layer oil liquid is recovered, precipitate that does not meet the draining standard is subjected to secondary heating, agent adding, stirring, washing and deoiling disposal, the sand content in oil after final treatment is 0.5%-0.8%, the oil content in silt and sand is 0.3%-2.0%, and the water content in oil is 0.5%-2.0%.

The present invention relates to serial trimethyl benzene separating apparatus and method. The serial trimethyl benzene separating apparatus includes a pre-separating tower, a sym-trimethyl benzene tower and an unsym-trimethyl benzene tower, and features the condensator on the pre-separating tower connected to the outlet of the pre-separating tower, the reflux accumulator connected to the condensator and one vacuum unit, the reboiler in the bottom of the pre-separating tower connected between the outlet and the inlet of the sym-trimethyl benzene tower. The present invention adopts a serial three-tower process, can produce unsym-trimethyl benzene in purity over 99 % and sym-trimethyl benzene in purity over 35 % simultaneously in the yield over 90 % and power consumption 30 %-40 % lower than one normal pressure process.

The present invention discloses a cleaner production method for synthetizing chloromethane. The method comprises the steps: 1), synthetizing chloromethane: synthetizing crude chloromethane from gas-phase hydrogen chloride and gas-phase methanol; 2), recovering waste heat: performing heat exchange on the crude chloromethane by a heat exchange device and liquid methanol, cooling and discharging, wherein liquid methanol is heated by the heat exchange device to form gas-phase methanol which enters the step 1) as a raw material to react; 3), deacidifying by a deacidifying tower: deacidifying the crude chloromethane; 4), refining in an absorption tower; 5), pressurizing, extracting, rectifying and removing ether; and 6) performing diluted acid solution membrane concentration. In the method, the pressure application ranges of the hydrogen chloride and the methanol are relatively wide, and the content of HCl in diluted acid solution is greatly reduced; the methanol is used as a washing solution, other secondary wastes can not be generated; raw materials, such as the methanol and HCl, are utilized to the greatest extent; the unit energy consumption of CH3Cl is greatly reduced, the unit energy consumption of a product, namely CH3Cl is reduced by more than 20% compared with that in an industrialized unit in the prior art.