315results about How to "Expand area" patented technology

The invention relates to a processing method of stainless steel cold rolling pickling wastewater. The pickling wastewater enters a hexavalent chrome secondary reduction pool after the actions of micro-electrolysis and hexavalent chrome preliminary reduction of a scrap iron filtering pool; the reduced wastewater enters a front-segment precipitation tank after neutralization and aeration, heavy metal sludge is concentrated and dehydrated, and the heavy metal sludge and scrap iron after the use of the scrap iron filtering pool are recycled and used as stainless steel smelting raw materials; middle-segment precipitation is carried out after a primary supernatant acts with a precipitant, and dehydrated and dried fluoride sludge is recycled and used as a metallurgical adjuvant material; final-segment precipitation is carried out after a secondary supernatant continues to act with a flocculating agent to obtain calcium salt which can be used as a building material raw material; and after the three segments of precipitation of acidic wastewater, the final third level supernatant reaches a standard and is discharged through water quality regulation and sand filtering. The invention has the advantages of less investment, low wastewater processing cost, convenient maintenance and the like, and not only can effectively utilize discarded scrap iron of a stainless steel enterprise, but also can greatly lower the subsequent wastewater processing cost and the operating load.

The invention relates to a method and a device for monitoring commodity identity and credit in commodity circulation based on the Internet of things, and solves the problem that the commodity identity and credit are difficult to monitor. In the method, an anti-forgery identification code label is arranged on each commodity, anti-forgery identification code information on the commodities is acquired or edited, original commodity information in anti-forgery identification codes is transmitted to a remote server and an identity and credit management database by using a communication network, proprietary identity and anti-forgery identification code readers of users are used for acquiring the identity and anti-forgery identification code information on the commodities in all circulation links after delivery, and transmitting the information to the remote server and a core database, the remote server compares the two kinds of anti-forgery identification codes, and transmits comparison results or processed information to relevant communication terminals, and the remote server also transmits the comparison results or the processed information to communication terminals of other users according to a protocol. The method and the device have the advantages that the informatization of monitoring the commodity identity and credit in the production and circulation can be realized at the minimum cost, and the difficulty of monitoring the commodity identity and credit is significantly reduced.

The invention provides an improved production process of utilizing gypsum to produce sulfuric acid and cement, which relates to the sulfuric acid and cement industry production technology, and the resource comprehensive utilization and environmental protection governing field of the industrial byproduct gypsum. The improved production process is characterized in that natural gypsum with the CaSO4*2H2O as the main composition or the industrial byproduct gypsum is adopted as the main source material; clay, coke and fly ash clinker are used as supplementary materials; the half-water drying gypsum flow, the single stage powder grinding, raw material mixing melting, suspension preheater kiln decomposing calcination, closing diluted acid washing and purification, two-turning and two-suction processes are adopted; the sulfuric acid and cement products are prepared through six steps of source material homogenizing, drying and dehydration, raw material preparation, clinker burning, kiln gas acid production and cement grinding; the improved production process has the advantages of wide range source material, solving the land occupation and environmental pollution problems of the gypsum waste residue, realizing the circulation utilization of sulfur resource, adopting a plurality of new processes and devices, realizing the large scale production easily, advanced technology, mature process, easy operation in production control, low energy consumption, high benefit, no waste water and waste residues exhaust.

The invention discloses a compound constructed wetland tail water treatment system, which belongs to the field of sewage treatment technology. The system mainly includes a pretreatment and a constructed wetland system. The pretreatment portion comprises an aeration oxidation pool and an ecological gravel bed; The constructed wetland system fuses a design of stabilization lagoon, which combines a vertical current constructed wetland and a surface flow constructed wetland, and a stabilization lagoon is arranged in step in series; the tail water to be treated passes the aeration oxidation pool, the ecological gravel bed, the vertical current constructed wetland, the stabilization lagoon in order, and finally passes the surface flow constructed wetland and flows out. The system combines physical, chemical and biological means organically, thereby effectively improving the tail water quality, and the water quality of water outlet basically reaches the surface water environment standard III grade, and the water outlet can directly returns to river ecological environment for supplementing water and can be used as city miscellaneous water; the invention has the advantages of low investment, simple operation, low energy consumption, high environment benefit and ecological benefit, etc.

The invention relates to the field of third-generation advanced high-strength steel used for automobiles and discloses 1180 MPa-grade ultrahigh-strength low-cost cold-rolled quenched partition steel and a manufacturing method thereof. A steel plate comprises the chemical components including, by mass percent, 0.18-0.22% of C, 1.0-3.0% of Mn, 1.0-2.0% of Si, not greater than 0.05% of P, not greaterthan 0.02% of S, 0-0.05% of Nb, 0-0.2% of Ti and the balance iron and inevitable impurities. The steel plate manufacturing method relates to the process of steel smelting, hot rolling, cold rolling,pre-quenching and heat treatment, and finally, a ferrite-bainite-martensite-retained austenite mixed structure is obtained. According to the 1180 MPa-grade ultrahigh-strength low-cost cold-rolled quenched partition steel and the manufacturing method thereof, on the basis of traditional C-Mn-Si series quenched partition steel, Nb and Ti elements are added for refining the structure, pre-quenching treatment and a one-step partition process are adopted, finally the ultrahigh-strength quenched partition steel with the yield strength being 500-800 MPa, the tensile strength not smaller than 1180 MPa, the elongation after fracture not smaller than 20% and the product of strength and elongation not smaller than 24GPa.% is obtained, and the mechanical property is quite excellent.

A traffic engineering equipment parking areas over the roadway alongside stacker interval for handling delivery barrel road store parking equipment, includes : steel-storage, parking, child care up roller wheels, roadway, run stacker, vehicle handling devices, delivery vehicles; roadway with a number of storage-type steel parallel staggered side-by-side arrangement, all of the roadway or the bottom of the top set up run-steel storage in the adjacent roadway between the two, its every vertical layer along the roadway to set up a number of parking areas, each parking zone on the wheel set up child care can be entrusted Raceway up a car, each roadway with a vertical stacker can be mobile, stacker removal vehicles are equipped with lifting devices can be mobile, all the vehicles moving on the same set of wheels asked Raceway up and there can be a two-way horizontal left-to-right move to enter into the parking vehicles delivery agencies for access to super vehicle operations. This present invention vehicles are large space, covers little fields, structure is simple and cost is low, operates high efficiency and reliable.

The invention discloses a fast multidirectional text line detection method. The method comprises the steps that a candidate connected region of a natural scene picture to be detected is extracted by an MSER algorithm; connected region counter point algorithm is carried out on the candidate connected region to acquire a candidate character region; a connection rule is used for grouping; a lost character recovery algorithm is used to acquire candidate text lines; and finally according to the features of candidate multidirectional text lines, an AdaBoost algorithm is used to classify text lines and non-text lines. According to the invention, the connected region counter point algorithm is used to process the candidate connected region acquired through the MSER, which reduces the computationalcomplexity and speeds up scene text extraction; and the Adaboost algorithm is used to extract the features of the candidate multidirectional text lines, which can greatly improve the accuracy of textdetection.

The invention belongs to the field of municipal solid waste disposal and particularly relates to mixed waste disposal system. The mixed waste disposal system at least comprises a waste pile-up unit used for waste pile-up fermentation and a waste incineration unit used for waste incineration. The mixed waste disposal system further comprises a sludge storage disposal pool, a material sliding ramp used for conveying materials is arranged in the sludge storage disposal pool, and the material sliding ramp is in the shape of an inclined face or a step-shaped structure becoming lower gradually. A sludge feeding end is arranged at the higher end of the material sliding ramp, and the lower end of the material sliding ramp forms a sludge discharging end. The time for sludge to flow from the sludge feeding end to the sludge discharging end along the material sliding ramp is longer than or equal to the number of days for the sludge to undergo set pile-up and warm-up fermentation and aerobic reaction. Both the waste pile-up unit and the discharging end of the sludge storage disposal pool are communicated with the feeding end of the waste incineration unit. Due to the simple and practical structure, mixed incineration disposal effect on municipal sludge and household waste can be achieved efficiently.

The recycle method for railway washing sewage comprises steps shown below: (1) removing the seston in sewage by grid screen to flow into anaerobic hydrolysis pond; (2) acidifying the LAS in sewage and organic into micromolecular organic by anaerobic active sludge; (3) entering membrane bioreactor, oxidizing said organic into carbon dioxide and water totally by aerobic active sludge, and recycling the residual clear water with material less than intercept diameter. This method uses MBR as main body and has high efficiency with low cost.

The invention discloses a method and a device for purifying flue gas by utilizing photochemical Fenton reaction. The method comprises the steps of converting particle powder into carbon dioxide and converting sulfur dioxide into sulfuric acid by utilizing the photochemical Fenton reaction. The device comprises a luminous energy bin and a purifying bin, so that the sulfuric acid recycling benefit of the device exceeds the running cost of the device, and users can obtain the relatively large profit. Additionally, the method is very flexible, can be accepted in existing systems of coal combustion boilers for improving the effectiveness of the coal combustion boilers, or can completely replace the original old system. The method and the device for purifying the flue gas by utilizing the photochemical Fenton reaction can be suitable for being used in any coal combustion boiler industrial market comprising cement plants, iron and steel plants, municipal government rubbish combustion plants, medical treatment rubbish combustion plants, chlorine manufacturers, paper pulp and paper production factories and the like.

The invention discloses a baking-free brick with waste rubber and coal ash as major raw materials. The baking-free brick is composed of the following raw materials in parts by weight: 3-10 parts of waste rubber, 30-45 parts of coal ash, 20-25 parts of yellow sand, 5-10 parts of cement, 10-15 parts of calcium oxide, 3-5 parts of calcium sulfate, 1-2 parts of sodium sulfate, 1.5-2 parts of sodium hydroxide, 0.01-0.05 parts of sodium metaaluminate and 8-15 parts of water. The baking-free brick has the advantages that (1) the major problems that the coal ash baking-free brick is high in water absorption and poor in resistance to freezing and thawing resistance are solved, and the application field and region of the coal-ash baking-free brick are greatly expanded; (2) the production process is simple, the investment is low, the cost is low, the benefit is good, the market competitiveness is strong and the capacity of the market is great; and (3) the solid wastes such as waste tire and coal ash are used for making bricks instead of the traditional clay bricks, so that the baking-free brick is a green novel building material and is an important development project in China.

The invention discloses a granular fertilizer distribution device. The granular fertilizer distribution device is characterized in that the device comprises a collection hopper, a distribution mechanism and a distribution barrel; a plurality of material troughs are formed in the distribution barrel; the bottom face of each material trough is provided with a discharging outlet; the collection hopper is arranged above the distribution barrel; and the distribution mechanism is connected between the collection hopper and the distribution barrel. According to the granular fertilizer distribution device provided by the invention, by arranging the multiple material grooves in the distribution barrel and forming the discharging outlets in the bottom of all the material troughs, granular fertilizers are injected into all the material troughs through the collection hopper, and the fertilizers with different granules are collected in the material troughs. Through the material distribution device, the fertilizers can be distributed quite conveniently, the occupied space is small, and the space utilization rate is high.

The invention discloses an active organic light emitting diode (OLED), which comprises a data line, a power supply line, a scanning line, a common electrode, a data thin film transistor (TFT), a current TFT, an organic luminous layer and a transparent electrode layer, wherein the data TFT, the current TFT and the data line are formed in the same layer; the organic luminous layer is formed on the common electrode, and coats the transparent electrode layer; the data line and the power supply line are made of different-layer metals and are overlapped; and the common electrode and the data line or the scanning line are formed in the same layer. According to the active OLED, the data line and the power supply line are made of different-layer metals and configured at the same position, and by the framework, an opaque area occupied by metal wires can be decreased, and the area of the luminous layer can be effectively increased to improve the brightness of the OLED in a top emitting OLED framework or a bottom emitting OLED framework.

The invention relates to a nitrogen making system for a ship. The nitrogen making system comprises a compressor, a nitrogen making machine and/or a nitrogen buffer tank as well as a flow pressure regulating device which are sequentially connected through pipelines, wherein the compressor comprises at least one compression unit and is used for providing compressed air; the nitrogen making machine comprises at least two nitrogen making units and is used for making nitrogen; the nitrogen buffer tank is used for storing and buffering the nitrogen; the flow pressure regulating device is used for regulating flow and pressure. Compared with a conventional nitrogen making system, the nitrogen making system is not equipped with an air dryer, an air buffer tank or a nitrogen buffer tank and can output the small-flow and high-pressure nitrogen, and the pressure of the nitrogen is higher than the highest output pressure of an air compressor. With the adoption of the means, the structure of the nitrogen making system in the prior art is simplified, device operation and nitrogen yield cannot be influenced, and device investment and energy are saved.

The invention discloses a power supply cart capable of supplying power for an electric vehicle. The power supply cart comprises a battery, wherein the battery can supply the power for driving the power supply cart to run, and the power supply cart can be placed in the electric vehicle and supplies the power for the electric vehicle. The power supply cart is characterized in that the power supply cart can carry people.

A lighting apparatus is provided to simplify the movement structure of the lighting apparatus by lighting the wide area of a substrate through the use of plural lightings. A lighting apparatus comprises a plurality of mirrors(130,140) for reflecting the light beams generated from a plurality of light sources(110,120); and first and second Fresnel lens(200,210) for focusing the diffused light beams reflected from each of the mirrors to a single focusing point, and radiating the focused light beams to a substrate(100) mounted on a stage. The light beams radiated to the substrate from the first Fresnel lens and the second Fresnel lens are partially overlapped.

In encoding/decoding of moving images, the efficiency of encoding is enhanced and the expansion is facilitated, while the increases in the capacities of frame memories and in bands are suppressed. A bit length expanding converter (102) converts a target image, the pixel values of which are expressed by use of a bit length (N), to an image the pixel values of which are expressed by use of a bit length (M). A compressor (110) encodes the image converted. A decompressor (111) decompresses the image encoded. A bit length contracting converter (113) converts the image decompressed to a reproduced image the pixel values of which are expressed by use of a bit length (L) shorter than the bit length (M). The reproduced image is then stored, as a reference image, into a frame memory (114).