298results about How to "Guaranteed qualified" patented technology

The invention discloses a gasoline online blending method, wherein the method comprises: linear and nonlinear mathematic models based on real-time flow quantity and quality indicators of processed oil and constituent oils constituting the processed oil, an online real-time auto-correction method for gasoline blending mathematic models and a real-time optimization technique which is developed based on the mathematic model. By adopting the gasoline online blending method in the invention, the problems of low success rate of products produced by a traditional intermittent vessel type blending method, long blending time, high blending cost and more excess of quality can be solved, and an optimal blending formulation can be offered in real-time to satisfy a plurality of requirements related to quality and cost when the products of the constituent oils fluctuate, thus enhancing the benefit of an oil plant remarkably.

The invention discloses an online detecting device for a turbocharger. The device comprises a bearing lubrication system, a compressor end test system, a turbine end test system, a vibrating sensor (207) which is in contact with a casing of the turbocharger, a noise sensor (310) which is close to a turbine end of the turbocharger and a velocity sensor (105) which is close to an impeller of a compressor end of the turbocharger. The invention also discloses a method for using the online detecting device for the turbocharger to perform online detection on the turbocharger. The method can be used for detecting whether the flow of lubricating oil, the temperature of the lubricating oil, the pressure of the lubricating oil, the starting torque, the turbine end air outlet, the turbine end air inlet, the compressor end air outlet, the compressor end air inlet, the vibration and the noise are qualified or not. According to the online detecting device and the method, the consumed detection time is short, the cleanliness of the inside of the turbocharger is not influenced, and each turbocharger can be detected to guarantee that each turbocharger leaving the factory is qualified.

The invention discloses a standard laminated plate and a manufacturing method thereof, which aim to improve the passing rate of laminated plates. The method comprises the following steps of: setting a test part on core plates for lamination and manufacture; stacking a plurality of the core plates and performing laminating operation to obtain the laminated plate; according to the position of the test part of a plurality of the core plates, mechanically drilling the corresponding position of the laminated plate to obtain mechanical holes; performing interlayer offset detection on the mechanically drilled laminated plate to judge whether the laminated plate is qualified. The technical scheme of the invention ensures that the standard laminated plate is the qualified laminate plate, thereby improving the passing rate of the laminated plates which are manufactured in batch by taking the standard laminated plate as the standard, and reducing the rejection rate of the laminated plates manufactured in batch.

The invention discloses a multi-specification combined elbow welding tool, which comprises a base and an upper seat, wherein the base is connected with the upper seat in a rotating way; a screw rod is arranged on the base, and is also connected with a positioning flange on the base through a connecting nut; the structure of the upper seat is the same as that of the base; a positioning seat is also arranged on the base; a positioning shifting fork is connected to the positioning seat through a pin shaft; a locking mechanism is arranged on the positioning shifting fork and the base; an angle adjustment mechanism is also arranged between the base and the upper seat. According to the multi-specification combined elbow welding tool, the size and the angle of a finished product elbow is directly determined through the tool, and flanges and elbow pieces are placed on the tool for integral assembly-welding, so that the angle and the size of the elbow can be ensured, and the finished product elbow can be ensured to be qualified.

The invention relates to a portable insulation safety tool power-frequency voltage-withstand dolly, comprising a dolly portion, a clamping portion, a conductive portion, a measuring portion, and a storage portion. The portable insulation safety tool power-frequency voltage-withstand dolly can satisfy power-frequency voltage-withstand test requirements of insulating gloves, insulating boots, an insulating rods, an electroscope, a grounding wire, an insulating septum, an insulating rubber mat, and other various safety tools. The dolly saves large amount of manpower and material resources, reduces occurrence of safety accidents, and has good economical benefits and social benefits. Because of application of the test dolly, the number of times of use of the dolly to carry tools is reduced, and the dolly brings about considerable environmental benefits.

The invention discloses a compound mill. A roller (1) is positioned on a base (8) through bearings (5), a cylindrical space is arranged inside the roller (1), one end of the roller (1) is closed by a stopper (2), the other end of the roller (1) is firstly provided with a tubular blank (4) and extends into a roll shaft (3) with an annular groove, a die comprises the roller (1), the stopper (2) and the roll shaft (3), the roller (1) drives the blank (4) to rotate at an angular speed 1 under the drive of external force, friction force is generated between the roll shaft (3) and the blank (4) by means of pressure P, and the roll shaft (3) rotates at an angular speed 2 and further has the functions of axial reciprocation and radial reciprocation. When the axis O2-O2 of the roll shaft (3) is misaligned with the axis O1-O1 of the roller, the blank (4) is embedded by the aid of offset, and the inner wall of the blank (4) is broached and shrunk in compound milling and extrusion, so that the blank (4) becomes a qualified workpiece with an external cylindrical surface and an internal annular groove. Afterwards, the roll shaft (3) radially returns, stops rotating and axially returns, the stopper advances (pushes the workpiece out of the roller) and returns, all technical processes for machining one workpiece are continued to be completed rapidly and automatically by means of mechanical, electrical and hydraulic integration, production efficiency is improved, labor intensity is reduced, chipless machining is realized, and metal materials are saved.

The invention discloses a method for producing high quality coffee concentrated solution. The method comprises the following steps of raw bean baking, grinding, countercurrent cold extraction, filtration centrifugation, freeze concentration, CO2 filling, filling and cold storage. The product is rich in coffee aroma, mellow in taste, pure in flavor and good in stability. Low temperature non-thermal processing technologies and CO2 filling are effectively combined, and the low temperature non-thermal processing technologies such as countercurrent cold extraction and freeze concentration are adopted to process the coffee concentrated solution, so that volatile aroma and active ingredients of coffee can be stored completely. The CO2 filling technology is adopted to isolate oxygen to prevent oil oxidation in the coffee concentrated solution and oxidation browning of nutrient substances, growth and reproduction of microorganisms are restrained, and even the microorganisms die due to damage of growth conditions. The low temperature non-thermal processing technologies and the CO2 filling are effectively combined, so that not only is the high quality of the coffee concentrated solution guaranteed, but also the stability problem of the coffee concentrated solution is effectively solved, the guarantee period of the coffee concentrated solution is prolonged, and the industrial production of the coffee concentrated solution is achieved.

The invention relates to animal feed, in particular to a preparation method of pure powder particles of an enteromorpha feed additive. The preparation method comprises the following steps of: (1) primarily processing to remove impurities; (2) drying enteromorpha; (3) crushing the enteromorpha; (4) tempering; (5) pelletizing; and (6) cooling and drying to obtain the finished product of enteromorpha feed. The invention product has rich nutrition and good product quality.

The invention discloses an oil removing and chromizing chemical agent compatibility and pollution reduction sprinkling system for slag reducing of the aluminum industry. An oil removing groove, a first non-flowing water washing groove set, a chromizing groove, a second non-flowing water washing groove set, a sprinkling groove and a drainage groove are included; an aluminum material sequentially passes through the oil removing groove, the first non-flowing water washing groove set, the chromizing groove, the second non-flowing water washing groove set, the sprinkling groove and the drainage groove; the oil removing groove and the second non-flowing water washing groove set are both communicated with the first non-flowing water washing groove set; oil removing liquid exists in the oil removing groove; chromizing liquid exists in the chromizing groove; the oil removing liquid and the chromizing liquid are mutually compatible; a first pump is further included; the sprinkling groove and thedrainage groove are both communicated with the second non-flowing water washing groove set through the first pump; and the first pump is used for pumping water in the sprinkling groove and the drainage groove into the second non-flowing water washing groove set. We pay attention to compatibility of selected components on the oil removing liquid for the first time. The oil removing and chromizingchemical agent compatibility and pollution reduction sprinkling system for slag reducing of the aluminum industry achieves waste water and waste slag zero emission during spraying and chromizing treatment and production water saving.

The invention provides a 90-degree bending mechanism for a sheet metal stamping die; the 90-degree bending mechanism comprises a lower floating block, a pressing plate, and a male bending unit, wherein the lower floating block is connected with a lower die through a lower pull rod and a lower nitrogen spring; the pressing plate is connected with an upper die through an upper pull rod and an upper nitrogen spring, and the male bending unit is used for 90-degree bending; the male bending unit is arranged at the lower die and is located beside the lower floating block; the pressing plate corresponds to the lower floating block and is arranged above the lower floating block; the male bending unit is hinged at the lower die in a form of capable of rotating inwards the die; an outwards convex inner inclined surface is arranged at an inner side of the top part of the male bending unit; an inwards concave outer inclined surface is arranged at an outer surface of the top part of the male bending unit; an outer side surface of the pressing plate is of an inwards concave inclined surface shape, and specifically is of an avoiding inclined surface used for avoiding the male bending unit; the bending mechanism provided by the invention is novel in structure; when performing the 90-degrees bending to a sheet metal component by using the bending mechanism, negative angle bending used for compensating bending springback is achieved on the basis of the 90-degree bending is finished by using one set of stamping die via one stamping process, so that a 90-degree bending angle is ensured to be qualified, and die cost is saved, and meanwhile, a stamping process is reduced.

The invention relates to a method for increasing chlorate decomposition efficiency, which belongs to the technical field of preparation of ion film caustic soda. The method is realized by means of improving the structures of steam heating tubes in a chlorate decomposition tank and adjusting parameters of a decomposition process. The steam heating tubes are arranged in double layers, the steam heating tubes on the lower layer upwards spray gas, the steam heating tubes on the upper layer downwards spray gas, and steam nozzles are uniformly arranged on the steam heating tubes. The process parameters include that the mass ratio of light salt brine for decomposing chlorate to outflow light salt brine of an electrolyzer is 1:1.4-1.6; preacid of the light salt brine after the light salt brine decomposes the chlorate is controlled in a range from 25g/l to 32g/l; and the temperature of the light salt brine in the chlorate decomposition tank ranges from 94 DEG C to 97 DEG C. Uniformity of the temperature in the chlorate decomposition tank is improved, decomposition stability is ensured, chlorate decomposition rate reaches 82-95%, and the content of the chlorate in the salt brine of a device is ensured to be qualified and stable.

The invention belongs to the technical field of smelting, and particularly relates to a smelting process of steel for boron-containing prestressed steel wires and steel strands. The process comprises the following steps: preparing molten iron, waste steel and raw iron serving as raw materials; during smelting of a revolving furnace, adding slag charge, performing the operation of raising high carbon content and post blowing, controlling the end point C over 0.4 percent, and controlling the end point P below 0.015 percent; during steel tapping of the revolving furnace, adding silicon carbide, lime and an alloy serving as deoxidizing materials in sequence along with the steel flow; during refining, deoxidizing the top of the slag by adopting the silicon carbide, wherein the target refining final alkalinity is 1.7; after refining, performing soft argon blowing at the bottom of a steel ladle; during continuous casting, feeding Xibao special high-carbon steel protection slag to a crystallizer; and electromagnetically stirring the crystallizer, casting at a low superheat degree, performing forced cooling during secondary cooling, and electromagnetically stirring at the tail end. By adopting the smelted steel for the boron-containing prestressed steel wires and the steel strands, qualification of chemical components can be ensured. During pulling and twisting of parent metal, the fracture times due to generic defects, sundries and carbon segregation on the surface of a casting blank can be reduced effectively.

The invention relates to a method for processing waste gas in acrylamide production by a chemical method. In the method, a waste gas is fed into a waste gas precooler to cool the waste gas to be 10-30 DEG C.; the cooled waste gas is fed into a waste gas adsorber which is formed by serial connection of three adsorbers; a medium filled in the adsorber is powdery active carbon, granular active carbon or fibrous active carbon; two of the three adsorbers simultaneously work online in a serial connection manner; the adsorbed waste gas is discharged into atmosphere directly; and the other adsorber resolves the acrylamide adsorbed on the adsorbing medium by using saturated steam; after being cooled by a recovered acrylamide cooler, the resolved acrylamide and the steam are recycled; the three adsorbers perform adsorption resolving operations in turn and switch automatically. The waste gas processed by the method can reach the environmental protection emission standard, and post-treatments such as burning or oxidation and the like are not needed; investment and process consumption are reduced; a greatest amount of acrylamide is recovered; and aims of saving energy and reducing emission are fulfilled.

The invention provides a clean production method of medium molecular weight hydroxyethyl starch, in particular to a clean production method in the refining process of chemical raw materials hydroxyethyl starch 200/0.5 and hydroxyethyl starch 130/04 used for plasma expanders. Bacterial endotoxin is the key toxic substance leading to clinical infusion pyrogenic reaction. The bacterial endotoxin in the raw material drug of hydroxyethyl starch exceeds the limit, which can easily lead to the limit of bacterial endotoxin in the final product of the preparation, hydroxyethyl starch injection, and the unqualified rate increases. The method of the invention is controlled by necessary process conditions such as clean air spray drying under clean conditions, microbial control under high temperature conditions, and on-line cleaning and disinfection of equipment, so that the quality of the bacterial endotoxin index of the obtained final product is obviously better than the current national drug quality standards. At the same time, it provides the necessary conditions for the direct preparation method of raw materials without microfiltration, which is helpful for the qualification of the insoluble particle index of the preparation, shortens the process flow of the final preparation, and reduces the probability of pollution.

The present invention relates to a method for blending Chinese medicinal material or natural product to make its extract component content be stable. Said method includes the following steps: 1), defining target component and its content of Chinese medicinal material or natural product standard extract; 2), defining relative deviation range of its target component content when its extract quality is acceptable after the Chinese medicinal material or natural product is blended; 3), sampling and extracting every batch of Chinese medicinal material or natural product to be blended, determining its target component content; 4), defining blending parameter, quality control parameter and blending target of Chinese medicinal material or natural product so as to form constrained optimization problem; 5), resolving constrained optimization problem to obtain optimum blending ratio; and 6), mixing Chinese medicinal material or natural product according to optimum blending ratio, making extraction so as to obtain the extract whose target component content is acceptable. Said method can be extensively used in production process of Chinese medicine, natural product, biological product, wine, beverage, health-care product, flavouring product, edible oil, fuel oil, gas and feed, etc.

The invention discloses a smelting method for improving quality of 20CrMnTi gear steel continuous casting molten steel. The smelting method comprises the following steps that 1, 30% or above of molteniron is added into a LF refining electric furnace; 2, lime is added as a slag material, and it is guaranteed that in the whole smelting process of the electric furnace, foaming slag submerged arc operation is adopted; 3, the C content of the tapped molten steel is controlled to be greater than or equal to 0.05%, the P content of the tapped molten steel is controlled to be less than or equal to 0.010%, and the temperature is controlled to be higher than 1630 DEG C; 4, silicon and manganese alloy and medium carbon and chromium alloy are added to a steel ladle before tapping, and baking is conducted; 5, tapping side deoxidation is conducted; 6, the tapping time of a tapping hole of the electric furnace is controlled to be longer than 110 seconds; 7, after tapping is completed, argon gas blowing is quickly adjusted to soft blowing; and 8, the deoxidation rules are that aluminum residue balls and calcium carbide are added before tapping, and silicon-calcium-barium and aluminum-iron-steel are added after 20 tons of the molten steel is tapped, wherein the tapping time is 140+/-10 seconds. By means of the smelting method, the smelting process is optimized; chemical components, the aluminum content and deoxidation are strictly controlled, so that the smelting time of the refining furnace is shortened; quality of the molten steel and quality of a continuous casting blank are improved; and it is guaranteed that the continuous casting, purity, the grain size and the banded structure of the steel are all qualified.

A carbonizing method with variable-pressure control in whole procedure for high carbonizing quality features that above the carbonizing furnace, the high-flow kerosene drip method is used to increase the positive pressure in furnace for generating high-activity high-carbon atmosphere and high furnace pressure, which can speed up the carbonizing on the surface of workpiece, and the furnace pressure can be regulated for controlling the carbonized depth, hardness and metallographic structure of workpiece.

The invention discloses a rapid production process of an organic fertilizer, which includes the following steps: (1) pre-fermentation that specifically includes the following working procedures: (1-1) mixing of raw materials and auxiliary materials, (1-2) drying and (1-3) pre-fermentation; (2) fermentation; (3) sampling and testing that are conducted according to NY525-2002 standards, and follow-up operation after testing results are qualified; (4) grinding and screening, namely grinding and screening semi-finished products sampled and tested to be qualified, and putting the semi-finished products into a warehouse for the semi-finished products; (5) post-fermentation: piling up the semi-finished products with moisture content dropping to 25-30% wt, and conducting post-fermentation while preventing the rain; (6) packaging, namely mechanical or manual packaging, sealing and palletizing; and (7) loading and delivery, namely mechanical or manual loading of packaged products, and delivery.The rapid production process of the organic fertilizer can ensure high drying efficiency of the raw materials, the auxiliary materials and the semi-finished products, has the advantages of low energyconsumption, deodorization, and good effect in killing flies and maggots, and saves fermentation time.

The invention discloses a tool special for assembling and disassembling a contact finger of a disconnecting switch. The tool comprises a bottom plate, a first upright plate, a second upright plate, a rotating shaft, a first contact finger clamping device, a handle, a second contact finger clamping device and a toothed plate baffle plate, wherein the first upright plate and the second upright plate are fixedly and oppositely arranged on the two sides of the right side of the bottom plate; the rotating shaft penetrates through the first upright plate and the second upright plate; the first contact finger clamping device is sleeved on the rotating shaft; the handle is fixedly arranged on the first contact finger clamping device; the second contact finger clamping device is fixedly arranged on the left side of the bottom plate; the toothed plate baffle plate is arranged between the first contact finger clamping device and the second contact finger clamping device; the first contact finger clamping device and the second contact finger clamping device are provided with clamping components used for clamping the contact finger; and when the handle is rotated, the first contact finger clamping device can be rotated along the rotating shaft. By adopting the tool, the cooperation among the contact finger, a compression spring, a pin and a toothed plate can be enhanced, and an opening of the contact finger can be pressed open with less effort.

The invention discloses a parameter setting and detection method for electric energy meter batch production. The method comprises steps: an electric energy meter address acquisition frame and a communication detection protocol are appointed, and a target address of a target electric energy meter is acquired; the current original address of the electric energy meter is acquired; the address of the target electric energy meter is set to be the target address; setting of a wireless communication protocol for the target electric energy meter is completed; a wireless communication frequency point is set; the address information, the protocol information and the communication quality RSSI value of the target electric energy meter are acquired, and the target electric energy meter changes the wireless communication frequency point to be in the state set in the fourth step; and detection on the target electric energy meter is completed. Parameter setting is changed into wired communication setting, communication frequency points of multiple production lines are staggered, a communication method of adding the communication quality RSSI value on the basis of the existing communication protocol is provided, electric energy meter parameter setting can be completed quickly and successfully, the leaving-factory parameter and the communication circuit of the electric energy meter can be ensured to be qualified, the cost is low, and the reliability is high.

The invention provides a method for producing oxidized pellets by using gold ore tailing and limonite. The method comprises the following steps of: mixing 40 percent by weight of powder of the gold ore tailing, 30 percent by weight of powder of the limonite and 30 percent by weight of powder of magnetite respectively to prepare green pellets; preheating in a chain grate; feeding in a rotary kiln to fire and shape; and finally, cooling through a circular cooler to prepare oxidized pellets, wherein the iron content of the pellet finished product reaches 53 percent. In the method, by rationally proportioning the gold ore tailing, the limonite and the magnetite and rationally setting process parameters, and prolonging the time of the green pellets at a low-temperature section of 200-400 DEG Cof the chain grate, the strength of the green pellets is improved, the cracking temperature of the green pellets during preheating is also increased by 45-50 DEG C, qualified green pellets are obtained, and the green pellets are finally fired through the rotary kiln to prepare the final oxidized pellets.