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98results about How to "Cost of protection" patented technology

Second metallizing method for ceramics

The invention relates to a second metallized ceramic method, belonging to the technical field of ceramic metallization, which comprises the following steps: preparing nickel paste of second metallization, printing the nickel paste and then drying and sintering. The powdered nickel and the caking agent are weighted according to weight account and then put into a ball mill tank with agate ball. The ball mill tank is on the globe mill. Then the mixed material is ball milled by controlling the frequency and milling time of the globe mill, and then the nickel paste can be obtained after separating the agate ball after ball milling. The nickel paste is printed on the molybdenum-manganese layer surface of a ceramic base which is metallized sintered once by controlling the printing thickness and the ceramic base coated by nickel paste can be obtained. The ceramic base coated by nickel paste is dried first and then put into a container to sinter, finally, the second metallized ceramic product coated by nickel paste can be obtained. The second metallized ceramic method has the advantages of ensuring the pass percent, controlling the cost and meeting the producing requirements of mass production, and thus can benefit the environment and employee and the ceramic base second metallized has the advantages of good sealing-in result and strong tensile strength.
Owner:CHANGSHU CITY YINYANG CERAMIC CO LTD

Device for detecting performance of highway tunnel line-type fire detector

The invention discloses a device for detecting the performance of a highway tunnel line-type fire detector. The device is characterized in that: a heating box for realizing temperature change is arranged; the upper end of the heating box is open; at least one temperature sensor is arranged on the peripheral edge of the opening at the upper end; the lower end of the heating box is fixed to an output shaft of a first rotating device; the first rotating device is arranged at one end of a support arm; the other end of the support arm is arranged on an automatic lifting platform through a second rotating device; the automatic lifting platform is fixed on a moving trolley which is provided with an operating platform; and the operating platform is provided with a first rotating shaft control device, a second rotating shaft control device, a lifting platform control device, a temperature adjusting device and a display device. The device has the remarkable advantages that: ignition is not required, the pollution is light, traffic is not required to be closed, social influence is a little, personnel is not required to operate the device overhead, personnel safety is ensured, the system structure is simple, the cost is low, and the mobility and reliability are high.
Owner:CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST

Copper and aluminium composite variable diameter metal heat pipe

A copper and aluminium composite variable diameter metal heat pipe structurally comprises a heat absorption section, a butt joint section and a condensation section. A pipe shell of the metal heat pipe is composed of a copper and aluminium composite metal pipe. The copper and aluminium composite metal pipe is of an outside aluminium and inside copper structure. The heat suction section is composed of an opening sealing welding spot (1), a cold welding opening sealing section (2), a heat suction section outer layer (3), a heat suction section inner layer (4), a heat suction section flaring part (6) and the like. The butt joint section is composed of butt joint pipes (7), the butt joint pipes (7) are made of red copper or oxygen-free copper pipes, the inner diameter of the butt joint pipes is equal to the inner diameter of the heat suction section inner layer (4), and the outer diameter of the butt joint pipes is equal to the inner diameter of the heat suction section flaring part (6). The condensation section is composed of a necking-down section (8), a condensation section body (9) and the like. The size specification of the necking-down section (8) is basically the same as that of the heat suction section flaring opening (6). A cavity of the heat suction section, a cavity of the butt joint section and a cavity of the condensation section are connected to together form a heat pipe vacuum cavity (5), heat pipe phase inversion hot working media (10) are arranged in the heat pipe vacuum cavity (5), and the total size of the heat pipe phase inversion hot working media (10) is 0.1%-20% of the size of the heat pipe vacuum cavity (5). According to the copper and aluminium composite variable diameter metal heat pipe, under the condition that the strength and the reliability needed by the metal heat pipe are guaranteed, the manufacturing cost of the metal heat pipe is lowered.
Owner:李程 +1

Forming method of arc-shaped box girder formwork

The invention discloses a forming method of an arc-shaped box girder formwork. The forming method comprises the following steps that (1) survey and setting out are conducted, specifically, coordinatesare determined, and field on-site setting out is conducted; (2) formwork materials are compared and selected, specifically, the formwork materials comprising a fiberglass formwork, a set-shaped steelformwork, a film plate and stainless steel composite formwork, a bridge inflatable core mould, an aluminum alloy formwork, a double-wall corrugated pipe and a plastic formwork are compared and selected; (3) the formwork materials are selected, specifically, the formwork materials comprising a box girder outer mould and a box girder inner mould are selected, the characteristics of an arc-shaped box girder are combined, the box girder outer mould adopts the film plate and stainless steel composite formwork, and the box girder inner mould adopts the double-wall corrugated pipe; (4) a bottom mould is laid; (5) side moulds are mounted; (6) an inner mould is mounted; and (7) edge moulds are mounted for reinforcement. The construction speed is high, the overall appearance quality and geometricaldimension precision of the arc-shaped box girder are remarkably improved, meanwhile, the construction safety is guaranteed, and the construction cost is saved.
Owner:GUANGZHOU NO 2 MUNICIPAL ENG CO LTD

Konjak planting method including weeding

The invention discloses a konjak planting method including weeding, which comprises the following steps of: selecting a plot with deep soil layer, loose soil, fertile soil and convenient drainage andirrigation, deeply ploughing for 30-40cm, harrowing for thinning, ditching and ridging, wherein a ditching width is 1.0-1.5m, and a ridge surface width is more than or equal to 0.7m and less than 1.2m; digging ditches for drill sowing or hole sowing on the ridge surface from Qingming festival to Grain Rain, wherein a sowing interval is 30cm*40cm; meanwhile, mainly using an organic fertilizer or afarm manure, and taking a nitrogen-phosphorus-potassium compound fertilizer as an auxiliary base fertilizer; applying 200-300kg of the organic fertilizer per acre, applying 2000-3000kg of the farm manure per acre, and applying 40-50kg of the compound fertilizer per acre; immediately covering the whole ridge surface with pine needles/straws/hay with a thickness of 5-10cm or a straw mat with the thickness of 1-1.5cm after the planting is finished; in the first ten days of July, the konjak is sprayed with a foliar fertilizer every 10 days after an emergence of regular seedlings, and the foliar fertilizer is sprayed for 3 to 4 times. The emergence rate of the konjak reaches more than 95 percent, and 90 percent of weeds can be controlled.
Owner:FUYUAN JINDI KONJAK SEED IND

Logistics mailing system and control method based on radio frequency and positioning technology

The invention relates to the technical field of logistics transmission, and particularly relates to a logistics mailing system and a control method based on radio frequency and positioning technology. A technical method of a logistics goods additionally provided with a GPS positioning module is adopted, the technical problem that a user can not accurately know the goods position can be solved, and the technical effect of accurately positioning the logistics goods position is achieved. A radio frequency IC card technical method is adopted, the technical problems that manual writing of express information is troublesome and electronic identification is not easy are solved, and the technical effects that the IC card directly contains the express information and can be used repeatedly can be achieved. A single chip microcomputer control technology is adopted for design, and the technical effects that the control mode is simple and direct, and the transmission mode is convenient and quick are achieved. A method of GPRS technology and Bluetooth technology is adopted, the technical problem that a delivery person-used control device has a single function is solved, and the technical effects that the delivery person can use the control device to be directly connected with a user mobile device to acquire the logistics information and to be connected with the GPRS network to transmit information are achieved.
Owner:龙彦旭

Power saving device for controlling production processes of silicon carbide smelting furnace system by rated value method

The invention relates to a power saving device for controlling production processes of silicon carbide smelting furnace system by a rated value method, which comprises an automatically-setting control module of an embedded computer, a voltage regulator, a current regulator, a trigger, a rectifier, a sampling rectifier and the like, wherein the rectifier is formed by connecting a plurality of basic three-phase rectifier bridge circuits in parallel, and balanced reactors are not additionally arranged among the basic three-phase rectifier bridge circuits. Moreover, a 6800A large-power thyristor is used as the rectifying element of the rectifier. The power saving device detects the magnitude of the current and the voltage of a rectifying system and automatically regulates the voltage gear according to the detection results, thereby achieving the purposes of increasing or reducing voltage, keeping the voltage and the current constant, optimizing the quality of products which are produced by the silicon carbide smelting furnace, saving energy and reducing consumption, wherein the power saving rate can reach 10%, and the high-quality product rate is generally improved by 10%, thereby completely reaching the national requirements of energy saving and emission reduction for large-power smelting industries.
Owner:王庆贤 +1

A bedrock buried hill oil reservoir rock type identification method based on machine learning

The invention discloses a bedrock buried hill oil reservoir rock type identification method based on machine learning in order to solve the problem that an existing oil reservoir rock type identification method cannot give consideration to both cost and accuracy, and the method comprises the following steps: carrying out rock core geology description on a key well of a target block; Analyzing thetypes and contents of oxides and rock-making minerals of the main oil-containing rock; Establishing a three-dimensional lithology discrimination chart of the main oxide content and the rock type through a KNN algorithm; Obtaining an element content curve continuously distributed along the shaft in the target layer of the key well by applying an oxide closed model interpretation technology; Establishing a comprehensive histogram of conventional logging, mineral content and rock type of the key well of the target block; Establishing an elemental oxide content prediction model, and predicting theelemental content of the development well which is not cored and is not subjected to ECS capture logging; And substituting into the established three-dimensional lithology discrimination chart of therock type to realize automatic identification and division of the rock type. The identification method is low in cost and high in accuracy.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Vehicle rental intelligent scheduling management system and vehicle-mounted terminal and vehicle communication protocol thereof

The invention discloses a vehicle rental intelligent scheduling management system and a vehicle-mounted terminal and a vehicle communication protocol thereof. The system comprises a passenger terminal, a vehicle-mounted terminal, a dispatching management center and a vehicle communication protocol. Passengers can use telephones, computers, intelligent devices and special devices to order vehicles,and can also hail the vehicles on the roadside, so that the vehicles can be used instantly or reserved through booking. The dispatching management center dispatches vehicles and dispatches vehicle rental orders by combining traffic and meteorological information and adopting artificial intelligence and big data technologies, so that empty vehicle scheduling is optimized, the empty driving distance and time are reduced, the operation cost is reduced, the business volume is increased, the passenger waiting time is shortened, and the satisfaction degree is improved. The vehicle-mounted terminalintelligently identifies the roadside hailing passengers, interacts with passengers and drivers, collects and receives the vehicle and travel information thereof, sends the travel information to the vehicle and ensures the safety of passengers, drivers and vehicles. The vehicles meeting the vehicle communication protocol are suitable for the system; applicable vehicles can be produced and purchased conveniently; and the system is suitable for unmanned taxies and is compatible with manned taxies, and is suitable for rental of passenger and freight vehicles.
Owner:徐泱忠

Construction method for underground large-span large-space ultrahigh non-column steel structural tube truss

The invention discloses a construction method for an underground large-span large-space ultrahigh non-column steel structural tube truss. The construction method comprises the following steps: (I) dividing each tube truss into two truss end parts and 2-4 truss unit bodies, and completing prefabrication in a factory; (II) on a construction site, pre-embedding a truss end part on a set perpetual structure; (III) on the construction site, transporting the truss units by adopting a gun carrier to positions below the set mounting positions of the truss units, putting the truss units on a sleeper, connecting two adjacent truss unit bodies to form a tube truss main body, and connecting butt-joint two chord rods I through segmented joints; and (IV) by adopting a suspending device, vertically suspending the tube truss main body to the position, connecting the two ends of the tube truss main body with the corresponding two end parts of the truss, and connecting the butt-joint two chord rods II through end head joints. According to the construction method, large-span large-space tube truss construction in an underground structure can be completed, the construction quality can be guaranteed, and the construction cost can be reduced.
Owner:中建六局第一建设有限公司 +1

A method and apparatus for photovoltaic dissipation in a micro-energy grid

The invention provides a method and apparatus for photovoltaic dissipation in a micro-energy network. Firstly, the air source heat pump in the micro-energy network is clustered, and then a pre-constructed photovoltaic dissipation model is solved based on the clustering result to obtain a Pareto optimal solution set. Finally, the optimal dispatching strategy of air source heat pump is determined, and the photovoltaic energy dissipation is carried out, which improves the utilization rate of air source heat pump in the micro-energy network. The photovoltaic energy dissipation is large, and the number of air source heat pumps that can be dispatched is increased. At the same time, the heat demand and the heating cost of the us are ensured, By clustering the air source heat pumps with differentparameters, the scheduling of air-source heat pumps is transformed into the scheduling of air-source heat pump clusters, As a result, the difficulty of the dispatch algorithm is simplify, the light abandonment phenomenon in the micro-energy network during the peak period of the photovoltaic power generation is reduced, the energy waste is reduced, the peak-shaving capacity of the micro-energy network is increased, the safety and stability of the large power network can be ensured, the energy and heating cost are saved, the heating quality is improved, and the pollution gas generated by coal combustion is reduced.
Owner:CHINA ELECTRIC POWER RES INST +2
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