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1528results about How to "Reduce operating procedures" patented technology

Carst region double-arch road tunnel construction method

The invention discloses a carst region double-arch road tunnel construction method, which comprises the following steps; 1. carrying out construction preparation; 2. carrying out construction at channel openings; 3. adopting a three-pilot-tunnel method for constructing the channel inlet opening section, and adopting a step digging method for digging during the three-pilot-tunnel method construction; 4. adopting a middle-pilot-tunnel method for constructing the middle communication section of the channel, and adopting a full cross section method for digging during the middle-pilot-tunnel method construction; 5. adopting the three-pilot-tunnel method or the middle-pilot-tunnel method for constructing the channel outlet opening section, adopting the step digging method for digging when the middle-pilot-tunnel method is adopted for digging construction of the channel outlet opening section, and synchronously carrying out secondary lining construction from the front part to the back part in the digging construction process of the channel inlet opening section, the middle communication section of the channel and the channel outlet opening section. The invention has the advantages of reasonable design, simple and convenient construction, safe and reliable construction process, flexible construction mode, short construction period and greatly simplified construction steps, and effectively overcomes various defects during the traditional carst region double-arch road tunnel construction.
Owner:CHINA RAILWAY 20 BUREAU GRP +3

Ageing sweet-white wine and brewing process of ageing sweet-white wine

ActiveCN103911242ABroaden sources of raw materialsEnrich market product typesMicroorganism based processesWine preparationSweet white wineBottle
The invention relates to an ageing sweet-white wine and a brewing process of the ageing sweet-white wine, belonging to the technical field of brewing of wines. The physicochemical indexes of the ageing sweet-white wine disclosed by the invention are as follows: the content of reducing sugar is 80-90 g/L; the total acidity is 7.0-8.5 g/L; the alcoholic strength is 10.0-12.0%vol; the content of free sulphur dioxide is 30-45 mg/L; the total content of sulphur dioxide is less than or equal to 250 mg/L; the content of volatile acid is less than or equal to 1.0 g/L. The brewing process of the ageing sweet-white wine disclosed by the invention comprises the following steps of: (1) finely selecting grapes and removing stems; (2) crushing; (3) technically dividing; (4) centrifuging and clarifying at low temperature; (5) fining at low temperature, and filtering; (6) ageing by using an oak barrel; (7) blending and mixing; (8) fining for the second time, and filtering; (9) coldly processing stability; (10) sterilizing and filtering; (11) filling finished goods; (12) storing in a bottle. The ageing sweet-white wine disclosed by the invention is full-bodied in fragrance, graceful, lasting and plump in mouth feel; the brewing process of the ageing sweet-white wine disclosed by the invention is simple, scientific and convenient to operate; the production cost can be effectively reduced; the scale production of high-end sweet-white wines is realized.
Owner:COFCO GREAT WALL WINE YANTAI

Liftable self-propelled continuous pushing system for large-span steel box beam and construction method thereof

ActiveCN107151980AReduced midline deviationReduced quality damageHydro energy generationBridge erection/assemblyAuto regulationControl system
The invention discloses a liftable self-propelled continuous pushing system for a large-span steel box beam. The liftable self-propelled continuous pushing system for the large-span steel box beam comprises a automatically-positioning continuous pushing device, an automatic pier top slideway elevation adjusting device and a horizontal limiting and correcting device. By virtue of a highly automated control system, precise positioning and synchronous pushing are achieved, damage to the quality of a steel box structure is minimized, and a relatively good quality control effect is ensured. The invention further discloses a pushing construction method. Through arrangement of the automatically-positioning continuous pushing device and the automatic pier top slideway elevation adjusting device in a pushing construction technology, self-propelled advancement and precise positioning of the pushing device are achieved, lifting and mounting and dismounting operation procedures of mechanical equipment are saved, the operation of the construction technology is simplified, the technical difficulty is reduced, the on-site controllability is substantially improved, the construction time is shortened, the safety risks are reduced, and popularization and application are easy.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP OF THE FIFTH ENG +1

Multisection acid leaching, multistage countercurrent washing and filter pressing integrated system and method

The invention relates to a multisection acid leaching, multistage countercurrent washing and filter pressing integrated system and method which are applicable to industries such as the metallic zinc electrolysis industry, hydrometallurgy and the like. The system provided by the invention comprises a membrane filter press, wherein the feed port end of the membrane filter press is connected with a zinc calcine acid leaching liquor feed pool, and the discharge port end of the membrane filter press is respectively connected with a filtrate pool and a collection liquor pool; and a waste electrodeposit liquor circulation pool, a circulation washing pool and a clean washing water pool are connected in parallel between the feed port end and discharge port end of the membrane filter press. The method provided by the invention comprises the following steps: (1) feeding materials; (2) carrying out multisection acid leaching by using the waste electrodeposit liquor at different temperature gradients; (3) carrying out multistage countercurrent washing by using zinc-containing washing water of different concentrations; and (4) carrying out filter pressing on the filter cake. According to the invention, the content of water-soluble zinc (in terms of Zn) in zinc waste slag in the mainstream technique in metallic zinc electrolysis industry at present can be reduced from 3.5-6.0% to below 0.5%; and the acid leaching and washing efficiency are greatly enhanced, and the acid leaching recovery rate of zinc ore can be higher than 97%.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Efficient mechanical mining method for gently-inclined thin ore bodies

ActiveCN105649631AReduce layered mining and filling workloadReduce work intensityUnderground miningSurface miningEngineeringCut and fill
The invention discloses an efficient mechanical mining method for gently-inclined thin ore bodies. The method includes steps: step one, tunneling a drilling roadway of a first layer of a first section; step two, cutting waste rock of a foot wall; step three, forming side collapse vertical grooves; step four, constructing fan-patterned blast holes; step five, laterally blasting to form a footwall compensation space; step six, blasting in upper fan-patterned blast holes for stoping; step seven, constructing a connection roadway of a second layer of the first connection; step eight, tunneling the drilling roadway while cutting the waste rock according to procedures of the step one and the step two; step nine, repeating the step one to the step eight, and continuing stoping of a next section until stoping of four sections is finished. By the efficient mechanical mining method, defects of a breast stoping method and an upward horizontal cut-and-fill stoping method are overcome, and reduction of labor cost, relief of work intensity and the like can be realized by efficient mechanical operations. Furthermore, the efficient mechanical mining method is especially applicable to mining of gently-inclined thin ore bodies with high values or rare precious metals.
Owner:DAYE NONFERROUS METALS

Method, system and device for automatically connecting with wireless LAN (local area network)

The invention discloses a method for automatically connecting with a wireless LAN (local area network), comprising the following steps that a terminal automatically detects whether a wireless signal of the wireless LAN is existent or not; the terminal sends a safety verification information acquisition request to a wireless device which corresponds to the matched wireless LAN under the conditions that the situation that the wireless signal of the wireless LAN is existent is detected and information of the wireless LAN is matched with pre-stored wireless LAN information; the acquisition request comprises application server information; the wireless device acquires safety verification information, which corresponds to the wireless LAN, from an application server which corresponds to the acquisition request, and sends the safety verification information to the terminal; the terminal performs the safety verification on the wireless LAN according to the safety verification information, and accesses into a network after the safety verification is performed successfully. The invention further discloses a system and a device for automatically connecting with the wireless LAN. According to the method, the system and the device for automatically connecting with the wireless LAN, the operation of automatically connecting with the wireless LAN is realized, the operation procedures of connecting with the wireless LAN are simplified, and the connection efficiency is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD +1

Image acquisition and application method, terminal and computer readable storage medium

The invention provides an image acquisition and application method, a terminal and a computer readable storage medium. A below-screen camera module CCM is arranged below a display screen of a terminal. The image acquisition and application method comprises steps: a sensor sensing unit of the below-screen camera module CCM is used to acquire a target image; and according to the target image, presetoperation is executed, wherein the preset operation comprises human face recognition or photographing. Through arranging the sensor sensing unit of the below-screen camera module CCM below the display screen of the terminal, the sensor sensing unit of the below-screen camera module CCM is used to acquire the target image, a phenomenon that a telescopic camera needs to be controlled to extend outof the body of the terminal to acquire an image for photographing or human face recognition is not needed, the sensor sensing unit of the below-screen CCM is used for completion the operation, the operation process is greatly saved, the use is facilitated, the user experience is enhanced, and the problem that a full-screen intelligent mobile terminal is inconvenient to acquire an image in the prior art can be well solved.
Owner:VIVO MOBILE COMM CO LTD

A large-scale solution cavity treatment method for karst tunnels

The invention discloses a karst tunnel large-scale cavern processing method. A cavern traversing tunnel section penetrating through a cavern comprises a tunnel section I, a tunnel section II and a tunnel section III according to the distribution positions, wherein two sides of the tunnel section I are suspended in midair and the top of the tunnel section I is at a smaller distance away from a cavern top plate, one side of the tunnel section II is suspended in midair, and two sides of the tunnel section III are suspended in midair and the top of the tunnel section III is at a larger distance away from the cavern top plate. The processing method comprises the steps of: 1, excavating a bypass pilot tunnel; 2, protecting inside of the cavern; 3, processing the bottom of the tunnel: filling the cavern below the tunnel section I with rock residues and grouting for reinforcing, and then distributing an armoured concrete slab girder, filling the cavern below the tunnel section III with concrete and then distributing an armoured concrete slab girder, filling the cavern below the tunnel section II with hard fillers; 4, constructing a gravity retaining wall at the suspending side of the tunnel section II; 5, constructing the tunnel section I with an open cut tunnel process; 6, constructing the tunnel section III with the open cut tunnel process after the bypass pilot tunnel bypasses; and 7, constructing the tunnel section II. The karst tunnel large-scale cavern processing method has the advantages of reasonable design, convenience for construction, safe and reliable construction process and short construction period, good processing effect on the large-scale cavern.
Owner:CHINA RAILWAY 20 BUREAU GRP

Slow-rebound memory sponge insole material

The invention relates to a slow-rebound memory sponge insole material which is characterized by comprising the following main raw materials: polyalcohol, isocyanate, pore forming agent, pore reforming agent, catalyst, foaming agent, glycerol and MDI (methylenediphenyl diisocyanate) prepolymer. The polyalcohol is composed of polyether polyalcohol and polymer polyalcohol, the hydroxyl value of the polyether polyalcohol is 30-350 mg KOH/g, the molecular weight is 700-3000, and the consumption is 30-60 wt%; the hydroxyl value of the polymer polyalcohol is 28-32 mg KOH/g, the molecular weight is 5000-7000, and the polymer polyalcohol accounts for 30-50 wt% of the polyalcohol; the isocyanate accounts for 30-60 wt% of the polyether polyalcohol; the catalyst is composed of an amine catalyst and a tin catalyst, the amine catalyst accounts for 0.15-0.45 wt% of the polyether polyalcohol, and the tin catalyst accounts for 0.03-0.3 wt% of the polyether polyalcohol; the foaming agent is water, and accounts for 0.9-2.5 wt% of the polyalcohol; the pore forming agent is polyoxypropylene ether, and accounts for 1.5-5 wt% of the polyalcohol; and the pore reforming agent is polysiloxane polyether copolymer, and accounts for 0.8-2 wt% of the polyalcohol. The insole material provided by the invention has the characteristics of light weight, slow rebound and the like.
Owner:JIANGSU HEALTHCARE TECH CO LTD

Safety-protection textile material flushing device for spinning

The invention discloses a safety-protection textile material flushing device for spinning. The device comprises a tank body, wherein a spraying pipe is fixedly connected to the top in the tank body through a lifting mechanism and a guiding mechanism; a second driving motor is fixedly connected to the side wall of the tank body, and an output shaft of the second driving motor penetrates through theside wall of the tank body and is fixedly connected with a first bevel gear; a feeding roll is rotatably connected to the inner wall of the tank body, and a second bevel gear meshed with the first bevel gear is coaxially and fixedly connected to the side wall of the feeding roll; and a sweeping mechanism is mounted on the inner wall, located below the spraying pipe, of the tank body. According tothe safety-protection textile material flushing device, the complex degree of cleaning equipment is decreased, meanwhile, the consumption of the energy source is effectively reduced; and water is heated by virtue of a heating pipe and is pressurized in a sliding plug cavity so as to form high-pressure water, and the high-pressure water is utilized for flushing textile materials, so that the cleaning efficiency is high, and the cleaning quality is relatively good.
Owner:安徽省伊贝雅纺织有限公司
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