187results about How to "Uniform and stable quality" patented technology

The invention discloses a method for quickly producing Pu-Er ripe tea, which comprises the following steps: moistening crude green tea with clear water, wrapping the moistened crude green tea with a cloth bag, placing the wrapped crude green tea in a basket and fermenting the crude green tea in the basket for 15 to 25 days at the temperature of 25 to 40 DEG C under the condition that relative humidity is 40 to 80 percent; turning a fermented tea pile for 4 to 6 times during the fermentation, starting replenishing water from the turning for the third time in a way that the water replenished for each time is 20 to 80 percent of the weight of the crude green tea and controlling the core temperature of the fermented tea pile to be below 59 DEG C; and after the fermentation, drying the fermented tea pile to obtain the Pu-Er ripe tea. Compared with the conventional method, the method has the characteristics of easily-controlled production process, clean production environment, no pollution of products, 40 to 60 percent-reduced processing time, stable tea quality, reduced production cost, relatively higher efficiency, normative production process and the like, and realizes the large-scale and normative production of the Pu-Er ripe tea.

The invention provides an automatic terminal insertion device of stators. The automatic terminal insertion device comprises a rack platen assembly, a jacking feeding assembly, a positioning rotating assembly, a terminal channel assembly, a head section assembly and a terminal insertion position adjusting assembly. The jacking feeding assembly is used for jacking the stators on an assembly line upwards to terminal insertion stations; the positioning rotating assembly is used for rotating the stators; the terminal channel assembly is used for providing a terminal feeding channel; the head section assembly comprises a head section frame plate, a terminal feeding mechanism, a terminal cutting mechanism and a terminal insertion mechanism. The head section assembly is further provided with a terminal detection device used for detecting whether terminals are inserted correctly or not, and the head section assembly is installed on the rack platen assembly through the terminal insertion position adjusting assembly. An automatic terminal insertion procedure is added on a stator conveying assembly line, and the automatic terminal insertion device can adapt to terminals and stators of various specifications; in this way, the device does not need replacing, and device resources are saved; besides, no human intervention exists in the whole process, automatic insertion and automatic detection are achieved, and output quality is stable and uniform.

The invention relates to an alloy steel hammerhead material for a small-size crusher, which contains the following chemical elements in percentage by mass: 0.2-0.4% of carbon, 0.8-1.0% of silicon, 2.1-2.3% of manganese, 5.2-5.5% of chromium, 0.8-1.1% of molybdenum, 0.2-0.3% of vanadium, 2.6-2.8% of titanium, 0.15-0.25% of V, 0.08-0.12% of Te, 0.5-0.7% of Zr, at most 0.05% of S, at most 0.05% of P and the balance of iron. By using medium-manganese low-carbon steel as the main material, the material has favorable toughness; the material contains the Zr, V, chromium, molybdenum and many other alloy elements, and thus, has the characteristics of higher strength, excellent high temperature resistance and excellent corrosion resistance; and the material is suitable for small-size working conditions with non-severe impact, and the service life is 2-3 times longer than that of common low alloy steel. When the refining agent is used for casting production, the porosity in the casting is lowered by 1-2 degrees, and the oxide inclusions are lowered by 2 levels or so.

The invention relates to a high-magnesium aluminum alloy material for wheel hubs, which contains the following chemical components in percentage by mass: 12-15% of magnesium, 3.2-3.5% of silicon, 0.2-0.5% of calcium, 0.12-0.17% of molybdenum, 0.1-0.15% of copper, 0.04-0.06% of manganese, 0.2-0.25% of titanium, 0.04-0.06% of nickel, 0.12-0.15% of strontium, 0.12-0.16% of Ta and the balance of aluminum. The high-magnesium aluminum alloy has the characteristics of light weight and corrosion resistance; and the titanium, strontium, nickel and other elements are added to refine the crystal grain and enhance the strength and wear resistance of the alloy, so that the alloy quality is more stable and uniform. When being used for manufacturing wheel hubs, the aluminum alloy has the advantages of favorable casting and forging property, favorable thermal conductivity, light weight and fuel cost saving. When the refining agent is used for casting production, the porosity in the casting can be lowered by 1-2 degrees, the oxide inclusion content is Grade 2 or so, and the yield is high.

The invention relates to a preparation method of a green plum essence. The preparation method comprises the following steps of (1) screening green plum fruits as a raw material according to maturity;(2) performing washing; (3) performing kernel removing and pulping; (4) performing low-temperature standing; (5) performing filtering; (6) performing vacuum concentration; and (7) performing decoctingwith a crock. According to the preparation method disclosed by the invention, the maturity of the raw material is strictly controlled, so that the situation that the quality of the green plum fruitsis unified and stable is guaranteed; besides, the problems that conventional high-temperature decocting is long in time consumption, and the effective components of the green plums are damaged are solved; and through determining the sugar acidity of the raw material, a preparation method of combining vacuum concentration with decocting with the crock is utilized, so that the time consumption is low, the energy can be saved, and the prepared green plum essence is thorough in reservation of effective components, good in quality and good in flavor.

The invention belongs to the technical field of building materials, and provides a lightweight grouting material for repairing hollowing of a wall insulation system and a preparation method. The lightweight grouting material comprises a ternary cementing material, an auxiliary cementing material, latex powder, cellulose ether, a water reducing agent, an air entraining agent, an antifoaming agent,a water repellent, an expanding agent, lightweight aggregate and quartz sand, wherein the ternary cementing material is formed by mixing Portland cement, sulphoaluminate cement and gypsum, and the auxiliary cementing material is a mixture of titanium slag micro-powder and fly ash. The lightweight grouting material is simple to prepare and convenient to use, and has the advantages of easiness in grouting, good hollowing repairing effect, controllable setting time and operable time, small volume density, no segregation or layering, quicker early strength development, higher strength, high bonding strength with a matrix, no shrinkage cracking problem and the like; the grouting material is suitable for hollowing repair projects of various wall exterior and wall interior thermal insulation systems, and other grouting repair projects with low requirements on compressive strength and high requirements on adhesive properties.

A wear-resistant high-manganese steel liner plate material comprises the following chemical elements by mass percent: 1.2 to 1.4 of carbon, 1.3 to 1.5 of silicon, 9.2 to 10.4 of manganese, 1.1 to 1.3 of titanium, 0.9 to 1.3 of chromium, 0.02 to 0.04 of molybdenum, 0.1 to 0.2 of aluminum, 0.02 to 0.04 of lanthanum, 0.04 to 0.07 of neodymium, less than or equal to 0.04 of S, less than or equal to 0.04 of P and the balance of iron. The alloy steel, prepared by adding lanthanum, neodymium, titanium and other elements into the alloy steel based on the high-carbon manganese steel, has the advantages of high hardness, excellent wear resistance, good toughness and good plasticity. The performance of the alloy steel is more superior to that of the ordinary high-manganese steel and suitable for liner plate material with large wear. The porosity of the casting pieces can be reduced by 1-2 degrees, no pores are generated on the surface of casting pieces and oxide inclusions are significantly reduced to about 2-level when the refining agent is used in casting.

The invention belongs to the field of anti-seepage materials, and specifically relates to a dry anti-seepage material. The dry anti-seepage material comprises the following components in parts by weight: 60 to 80 parts of coal gangue, 8 to 15 parts of andalusite and 15 to 23 parts of a binder, wherein the coal gangue is originated from the coal gangue in the area of Xinjiang in China. Meanwhile, the invention also discloses a preparation method for the dry anti-seepage material. Compared with a traditional dry anti-seepage material, the dry anti-seepage material provided by the invention is ananti-seepage material produced by modifying and processing a local main raw material capable of being utilized by a local enterprise in Xinjiang in terms of a process, so the production cost of the enterprise is greatly reduced, and the dry anti-seepage material provided by the invention is surely accepted by the market.

The invention discloses a rare earth alloy steel material used for valves. The rare earth alloy steel material comprises following chemical elements by weight: 0.2-0.4% of carbon, 0.3-0.45% of silicon, 3.2-3.4% of manganese, 0.9-1.2% of chromium, 0.5-0.7% of molybdenum, 0.1-0.25% of vanadium, 0.02-0.04% of lanthanum, 0.02-0.04% of cerium, 0.12-0.24% of copper, 0.04-0.07% of Tm, S not more than 0.04% and P not more than 0.04%, with the balance being iron. An alloy produced has characteristics of high strength, compact resistance, wear resistance and high hot strength by utilization of the molybdenum, the vanadium, the vanadium, the rare earth elements, etc., and by adding the raw materials in batches and reasonably controlling the thermal treatment temperature after casting. The rare earth alloy steel material is suitable for valves, pipes and impellers of pumps operated at high temperature. A refining agent provided by the invention is used for casting production and is capable of increasing the rate of finished products. In particular, the porosity degree in castings is reduced by 1-2 degrees and oxide inclusion is at about the 2 level.

The invention relates to a rapid reformed egg manufacturing system and method using a medium-high voltage electric field. The system comprises an overhead rail delivering system, a medium-high voltageelectric field pickling system, and a washing system. Eggs to be processed is introduced into the system from the input end of the overhead rail delivering system; the output end of the overhead raildelivering system is connected to the input end of the washing system; the medium-high voltage electric field pickling system is arranged between the overhead rail delivering system and the washing system; the overhead rail delivering system can drive the eggs to go through the medium-high voltage electric field pickling system; eggs are pickled in the medium-high voltage electric field picklingsystem after the eggs enter the medium-high voltage electric field pickling system; and the washing system can wash and dry pickled eggs. The structure is simple, the operation is convenient, automation is easy to realize; the system can be applied to production lines in a factory, the efficiency is high, energy is saved, environment is protected, industrial production is easy to realize, and thesystem can be applied to large scale production of reformed eggs.

The invention discloses a wear-resisting alloy steel for a mine breaking hammer and a preparation method of the wear-resisting alloy steel. The wear-resisting alloy steel comprises the following chemical element components in percentage by mass: 2.2-2.4% of carbon, 1.9-2.1% of silicon, 3.0-3.2% of manganese, 9.2-9.7% of chromium, 4.1-4.3% of molybdenum, 0.4-0.5% of Al, 0.05-0.09% of Dy, not larger than 0.05% of S, not larger than 0.05% of P and the balance of Fe. According to the wear-resisting alloy steel, such elements as Cr, Mo, Al and Dy are added on the basis of high-carbon steel, a part of scrap iron is used as a raw material, secondary refining is carried out, the raw materials are fed in batches and the heat treatment temperature after casting is reasonably controlled, so that the alloy has high original hardness and wear resistance and has certain toughness, impact resistance and good corrosion resistance at the same time; the quality of the alloy is stable and uniform. The wear-resisting alloy steel disclosed by the invention is suitable for working conditions of non-severe impact and hard materials, and the service life of the wear-resisting alloy steel is about 2 times longer than that of common high-manganese steel. A refining agent disclosed by the invention is applied to casting production to obviously improve the yield.