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68 results about "Yield efficiency" patented technology

Yield | efficiency |. is that yield is (obsolete) payment; tribute while efficiency is the extent to which time is well used for the intended task.

Refining technique of base oil regenerated from used lubrication oil

Disclosed is a refining technique of base oil regenerated from used lubrication oil, and the refining technique comprises the following steps of 1, removing solid waste, which includes removing solid waste from used lubrication oil by centrifugation; 2, solvent pretreatment, which includes extracting mixed impurities and moisture through a solvent and obtaining raw oil after removing upper oil; 3, flocculation treatment, which includes turning mixtures obtained from step 2 into a mixture of flocculation; 4, atomospheric distillation; 5, carrying out reduced pressure distillation; 6, carrying out rectification; 7, solvent refining: putting oil produced from a rectifying column into a treatment tank and when the height of the oil level in the treatment tank reaches 65%-75% of the height of the treatment tank, adding by mass 10%-40% of 1-Methyl-2-pyrrolidinone, and carrying out solvent refining. The refining technique of base oil regenerated from used lubrication oil has the advantages of low investment and high yield efficiency, meanwhile, the refining technique accords with the requirement of environmental protection, reduces vacuum residuum by 15%, improves product yield, facilitates the overhauling of equipment, prolongs the production period, largely improves production efficiency and appearance quality of minus line oil, and helps to obtain high quality regenerated base oil.
Owner:济南亿诺再生资源有限公司

Retractable blade vertical-axis tidal turbine

The invention discloses a retractable blade vertical-axis tidal turbine, which comprises a rotating shaft, a turntable, blades, retractable support arms, eight guide rails, guide rail wheels, baffle plates, a controller and a support part, wherein the guide rails are positioned in the turntable, and are divided into two layers, and each layer comprises four guide rails; the guide rails are uniformly welded on the rotating shaft at intervals of 90 degrees; the guide rail wheels are mounted on the inner surfaces of the guide rails; a retractable support arm is mounted in each guide rail; the support arms are retractably and movably connected with the guide rails through the guide rail wheels; the blades are mounted at the ends, far away from the turntable, of the support arms; the blades are rectangular, and are positioned on the same planes as the upper and lower layers of retractable support arms; the baffle plates are fixedly mounted at the ends, far away from the turntable, of the blades, and are in right-angled connection with the blades; the blades slide in the guide rails through the retractable support arms, and are controlled by the controller to retractably move. According to the retractable blade vertical-axis tidal turbine with such a retractable design, the energy yielding efficiency of the vertical-axis turbine is improved, the size of the whole device is reduced, convenience in transportation and considerable market prospect are achieved, and the submarine mounting cost is reduced.
Owner:ZHEJIANG OCEAN UNIV

Method for extracting leaf protein from alfafa hay

The invention relates to a method for extracting leaf protein from alfafa hay, aiming at providing a preparation method which can realize mass production and has the advantages of no time limit, simple process, low cost and high efficiency. In the method provided by the invention, leaf protein is extracted by acidification heating method and salt treatment. The method comprises the following steps of: smashing air-dried or kiln-dried alfalfa, adding appropriate amount of sodium pyrosulphate, adding water in the ratio of material to water being 1: (10-40), preimpregnating for 12-36 hours and then beating for 5 minutes, filtering (or centrifuging) with a 120-mesh filter cloth to obtain green juice, adjusting pH value to 2-7 by utilizing 2% sodium hydroxide and 0.5 mol/L hydrochloric acid solution, rapidly heating to the temperature of 40-80 DEG C in a boiling water bath, and then flocculating for 3-20 minutes in a constant-temperature water bath at the same temperature; and rapidly cooling to room temperature with cold water (normal temperature), standing for 1 hour, filtering (or centrifuging) to obtain leaf protein paste, and finally drying in a drying oven at the temperature of 60-70 DEG C. In the extraction method, the leaf protein is extracted from alfafa hay used as raw material; compared with the traditional method which takes fresh alfafa hay as the raw material, the cost is reduced, the yield efficiency is greatly improved, and the defect that the production time is limited by plant growth season is overcome.
Owner:SHENYANG AGRI UNIV

High-yield efficient tunnel kiln

The invention relates to the technical field of industrial kiln (baked brick tunnel kiln) and discloses a design scheme of a novel high-yield efficient tunnel kiln with a large section. An annual running line arrangement process is adopted, and the tunnel kiln comprises a high-yield efficiency drying kiln and a high-yield efficient calcining kiln, wherein the length of the drying kiln is 75-95 m, the inner width is 4.6-10.4 m, the inner height is 2.0-2.55 m, the kiln wall thickness is 0.37-0.49 m, and the kiln top thickness is 0.3-0.5 m; a manner of top air supply and side air supply is adopted, wherein the air supply volume is 20-40 Nm<3> / kg of water, and the air exhaust volume is 16-36 Nm<3> / kg of water; an air supply section is 60-70% of the total length, a pre-heating section is 30-40% of the total length; the total length of the calcining kiln is 100-140 m, the inner width is 4.6-10.4 m, and the inner height is 2.0-2.55 m; the thickness of a high-temperature section of the kiln wall is 1,080-1,250 mm; the thickness of the kiln top is 616-840 mm; the curve bricks protrude 0 mm from the inner wall of the kiln; 9-11 pairs of smoke discharge gate valves are arranged in a pre-heating zone; and the smoke discharge air quantity is 12,000-18,000 m<3> / h.m<2> of the kiln section area. The tunnel kiln provided by the invention has the advantages of high yield, low heat loss and small investment, is convenient in operation and is a most economical and practical kiln type in current brick making industry.
Owner:王宏伟

Fine pasting glue and preparing process thereof

The invention relates to fine pasting glue, which is polymerized by the following raw materials of a hard monomer, a soft monomer, a functional monomer, an initiating agent, an emulsifying agent, a buffering agent, a functional auxiliary agent, a viscosity regulator and deionized water. The fine pasting glue and a preparing process thereof also provides a process for preparing the fine pasting glue. The fine pasting glue and the preparing process thereof have the advantages in that the fine pasting glue is of green environmental protection and good for health and contains no bad odor and harmful substances such as phthalic acid esters plasticizer, heavy metals and the like; as the fine pasting glue has high solid content and high tenacity, products pasted are wrinkle-free and uneasy to deform under the normal temperature, and the fine pasting glue is rapid in drying, high in yielding efficiency, and good in scouring and cleaning. The adhesive residue on the facing can be easily cleaned by a wet cloth so that an attractive appearance of a substrate facing is kept; the coating is good in performance so that the glue can achieve rapid leveling and coating on the substrate; and finally the pasted products have a good bonding strength and can keep the glue-bonded surface solid and durable.
Owner:上海奇想青晨新材料科技股份有限公司

Early-maturing efficient planting method for intercropping of greenhouse broad beans and garlic

The invention discloses an early-maturing efficient planting method for intercropping of greenhouse broad beans and garlic and belongs to the technical field of crop planting. The method comprises the following steps of: intercropping greenhouse broad beans and garlic, ridging and transplanting vernalized broad bean seedlings from the bottom of July to the beginning of October, and sowing garlic in the corresponding period; harvesting the broad bean green pods from the beginning of December to the Spring Festival, harvesting garlic sprouts from the first ten-day period of October to the Spring Festival, and retaining garlic without harvesting the garlic sprouts to the coming year to harvest young garlic shoots and the heads of garlic, wherein 1000-1250kg of garlic sprouts are produced per mu, so that 3000-4500 yuan can be increased per mu; about 1500-2000kg of broad bean green pots are produced per mu, so that the output value per mu of broad beans is about 10000 yuan. The planting method is incomplex in technology and stable in benefit, and the economical benefit is favorably increased and the income of farmers is favorably increased; the utilization efficiency and yield efficiency of land are favorably increased; sterilization and insect dispelling are facilitated, so that plant diseases and insect pests are prevented or reduced, and the cost is lowered and the effect is increased; by reducing nitrogen competition of soil, input of a nitrogen fertilizer is reduced, so that the cost is lowered.
Owner:JIANGSU COASTAL AREA AGRI SCI RES INST +2

Plugging device capable of ascending and descending repeatedly

The invention discloses a plugging device capable of ascending and descending repeatedly, and relates to a plugging device in a photoelectric device. The plugging device comprises a frame and an upward/downward moving unit which is arranged on the frame and can ascend and descend, wherein the upper end of the upward/downward moving unit is provided with a plug board; the frame is provided with a socket board; the plug board and the socket board are plugged in a matching way; the plug board is provided with a plurality of plug posts; the socket body is provided with socket grooves correspondingly plugged with the plug posts. The plugging device is simple in structure, and is low in cost; the frame is provided with the upward/downward moving unit, so that a tested product can move up and down on a certain sliding track along with a guide slide block; flexible connection of the upward/downward moving unit and the plug board is realized through a floating joint, and power is transmitted to the plug board, so that plugging power is provided for the plug board. According to the plugging device, the testing batch quantity of the product can be ensured, repeated detachment and connection of a power line can be avoided, stable joint resistance is kept, and the yield efficiency can be increased.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Two-stage sand removal process for livestock manure

The invention belongs to the field of biogas engineering, and particularly relates to a sand removal process for livestock manure. The sand removal process is characterized in that the livestock manure is poured into a stirring settling tank, water is added into the livestock manure to stir and dilute the livestock manure and remove sand in the livestock manure, the sand with the size larger than 0.5mm in the manure is removed, an upper layer of livestock manure diluent overflows to a hydrolytic acidification tank after stirring and sand removal, sand with the size smaller than 0.5mm is separated and removed during hydrolytic acidification, and the hydrolytic acidification tank sequentially consists of a primary hydrolytic acidification tank and a secondary hydrolytic acidification tank from a high position to a low position. The sand removal process has the advantages that by the aid of the two-stage sand removal process, the sand with various sizes in the manure are thoroughly removed, sand content in liquid entering a fermentation tank is reduced to be lower than 2%, influences of the sand to various follow-up links are greatly reduced, and stable running of biogas engineering with the livestock manure as a raw material is guaranteed. In addition, insoluble macromolecular substances in the liquid are degraded into soluble micro-molecule substances which can be easily utilized by methane bacteria, and gas yield efficiency is improved.
Owner:SHANDONG MINHE BIOTECHNOLOGY CO LTD

U-shaped short wheelbase high-speed and high-efficiency multi-wire cutting method

The invention discloses a U-shaped short wheelbase high-speed and high-efficiency multi-wire cutting method. In an overall structure of U-shaped layout, a take-up/pay-off system, a tension system anda wire arrangement system are symmetrically mounted on two sides of a rack respectively; a cutting room system is mounted on the front side of the rack; the take-up/pay-off system, the tension system,the wire arrangement system, a wire guide system and a spindle system are sequentially connected through a cutting wire, so that three operation areas of take-up, pay-off and cutting are independentof each other;the spindle system drives a roller to rotate through direct drive of a drive motor, thereby remarkably reducing influence on the cutting precision caused by the vibration resulting fromrotation of a belt wheel during high-speed cutting;traditional roller diameter as well as the center distance between two rollers are decreased, and the formation of large wire bow is reduced in a high-speed cutting process, thereby guaranteeing the cutting stability. By adopting the cutting method, the slice yield efficiency can be greatly boosted while the cost of single wire slice is lowered, and the slice yield is increased;moreover, blending of cutting fluid is not needed in the cutting of a diamond wire, and the consumable cost and the environmental pollution are reduced.
Owner:HUNAN YUJING MACHINE

Synthesis device and synthesis method for NbSe2 monocrystal layered nanosheet

The invention discloses a synthesis device and a synthesis method for an NbSe2 monocrystal layered nanosheet. Carrier gas is used for controlling airflow, the atmosphere of a growth environment is accurately controlled, the pure NbSe2 monocrystal layered nanosheet can still be synthesized even if a carrier gas source participates in reaction in a gaseous phase conveying process; in a whole process, only a sealed quartz tube needs to be used to grow in a horizontal tube furnace, time and economic cost are greatly lowered, and a preparation method is simple; characterization results are good, practical samples can be taken and used at will, and the yield efficiency is improved by multiple orders of magnitude; control factors mainly depend on growth time and temperature, a space between a source and a deposition substrate, the shape structure of slide glass, annealing time and the like, parameters can be easily controlled, and the repeatability is good. According to the method disclosed by the invention, a great quantity of NbSe2 monocrystal layered nanosheets can be prepared, after dosage concentration is controlled through a further condition, a new scheme is provide for the growthof the NbSe2 nanosheets and other all transition metal disulfide compound nanostructures, and the synthesis device and the synthesis method have an important reference meaning.
Owner:PEKING UNIV

AlN film growing method

The invention provides an AlN film growing method. The AlN film growing method comprises the following steps: S1, successively placing growing substrates in a plurality of carrying plates in a production unit; S2, transferring a carrying plate to PVD equipment in sequence; S3, removing a redundant AlN film layer on a target material; S4, growing an AlN film with a preset thickness on the surface of the growing substrate in the carrying plates through a sputtering process; S5, moving the carrying plates out of the PVD equipment and cooling the carrying plates; and S6, judging whether growing ofAlN films of all the carrying plates in the production unit is finished or not, if growing of the AlN films of all the carrying plates in the production unit is finished, finishing growth of the AlNfilm of the production unit, and if growing of the AlN films of all the carrying plates in the production unit is not finished, skipping to step S2. The circumstance that the follow-up sputtering process is affected due to the over-thick AlN layer on the target material is avoided effectively, continuous production can be carried out, the circumstance that the process of AlN removing and pre-settling at regular intervals is not required, the yield efficiency is greatly improved, and the stability of the process is improved.
Owner:LATTICE POWER (JIANGXI) CORP
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