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100results about How to "Improve market competitive advantage" patented technology

Conductive paste for solar battery

The invention belongs to the technical field of solar batteries and particularly discloses a conductive paste for a solar battery. The conductive paste comprises an organic carrier and solid powder dispersed in the organic carrier, wherein the solid powder comprises conductive silver powder and glass powder; the conductive silver powder is flaked silver powder; and the conductive silver powder accounts for 92 to 99 weight percent of the solid powder and accounts for 35 to 60 weight percent of the conductive paste. The conductive paste overcomes the prejudice of technicists in the field on lowsilver content and low electric performance, and higher electric performance can be achieved by reducing the silver content in the conductive paste; furthermore, the conductive paste for the solar battery has low silver content and moderate viscosity, and is favorable for screen printing, and attractive in appearance without sand holes, pinholes and the like after being sintered; compared with the common silver paste having higher silver content, the conductive paste has the advantage that the solar battery prepared from the conductive paste has high photoelectric conversion efficiency and the photoelectric conversion efficiency of a monocrystalline silicon piece is more than 17.50 percent.
Owner:BYD CO LTD

Fruit and vegetable nutritional ice cream and preparation method thereof

The invention relates to fruit and vegetable nutritional ice cream and a preparation method thereof and belongs to the field of food processing. According to the preparation method, fruits and vegetables are added in a form of fruit and vegetable ultra-micro powder; the produced fruit and vegetable nutritional ice cream has rich fruit and vegetable aroma and flavor; the taste is uniform and the color and the luster are bright; the mouth feel is fine and smooth and no ice crystal exists; the fruit and vegetable nutritional ice cream contains beneficial components including dietary cellulose, pectin and the like in pericarp so that the fruit and vegetable nutritional ice cream is easily digested and absorbed by an organism and the nutritional values of the fruits and the vegetables are improved; resources of the fruits and the vegetables are utilized sufficiently and the utilization rate of the raw materials is improved. A formula become simple and main raw materials only contain fresh milk, cream, the fruit and vegetable ultra-micro powder and sugar; meanwhile, the use amounts of an emulsifying agent and the sugar are reduced. The problems that the taste is not good and the fruits with low juice content and the vegetables with the low juice content (such as pumpkins) are difficult to add into the ice cream or the taste is poor after the fruits with low juice content and the vegetables with the low juice content are added are solved.
Owner:INST OF AGRO FOOD SCI & TECH SHANDONG ACAD OF AGRI SCI

Polyethylene geomembrane and preparation method thereof

The invention relates to a polyethylene geomembrane and a preparation method thereof. Preferably, the polyethylene geomembrane sequentially comprises a conducting layer, an anti-aging layer and a color layer from bottom to top. The preparation method comprises steps as follows: melting and blending bimodal high-density polyethylene, unimodal linear low-density polyethylene, conductive carbon black masterbatch, carbon black masterbatch, an antioxidant and masterbatch according to the content of each layer to prepare composition of all layers, and then co-extruding the composition to prepare the polyethylene geomembrane. The polyethylene geomembrane can meet the requirement for various properties of special resin for a high-density polyethylene geomembrane, and compared with special resin for the traditional high-density polyethylene geomembrane, the polyethylene geomembrane has the advantages that the cost is significantly reduced, and the polyethylene geomembrane has greater competitive advantages in the market.
Owner:CHINA PETROLEUM & CHEM CORP +1

PET (polyethylene terephthalate) air flotation separation device

The invention discloses a PET (polyethylene terephthalate) air flotation separation device which is characterized by comprising main equipment such as a pressure pump, a dissolved air tank, an air compressor and an air flotation cleaning tank. Air in the dissolved air tank is pressurized and dissolved into water to reach a saturation state so as to form dissolved air water; after the air flotation cleaning tank is filled with the dissolved air water, microbubbles released from the dissolved air water can be attached to the surface of a separation material to change the buoyancy force of the separation material so as to achieve the purpose of separation. Impurities with different specific gravities in PET raw materials can be effectively separated by adjusting the proportion of the dissolved air water in filled cleaning water. The PET air flotation separation device is of a cleaning tank structure, can be conveniently embedded into a PET recovery production line, and is capable of automatically separating out the impurities from the PET raw materials to achieve the purpose of quality control and effectively improve the market competition advantage of enterprises.
Owner:林小峰

Method and device for predicting output power of photovoltaic power generation system

The embodiment of the invention discloses a method for predicting output power of a photovoltaic power generation system, variation mode decomposition is performed on historical output power data of the photovoltaic power generation system in a preset time period, an extreme learning machine prediction model is built according to a plurality of decomposition components obtained by decomposition and corresponding meteorological data, a prediction result of each decomposition component is calculated according to the extreme learning machine prediction model, and a sum of the prediction results is used as a prediction result of the output power of the photovoltaic power generation system. A variation mode decomposition algorithm has good noise robustness and non-recursiveness, and selection of reasonable parameters can effectively avoid a mode aliasing phenomenon, thereby obtaining a high-accuracy decomposition signal, and facilitating improvement of prediction accuracy; and the characteristics of good generalization performance and fast learning speed of an extreme learning machine can further improve prediction precision and prediction efficiency. In addition, the embodiment of the invention also provides a corresponding realization device, which further enables the method to have practicability, and the device has corresponding advantages.
Owner:GUANGDONG UNIV OF TECH

Fan blade

The invention discloses a fan blade, comprising a fan shaft (1) and several blades (2) evenly installed on the fan shaft, the blades (2) have a suction surface (21) and a pressure surface (22), the blade The top of (2) is bent toward the suction surface (21) or the pressure surface (22), forming a bending portion (23). The technical scheme of the present invention has notable features such as small air volume loss and low operating noise, and has the beneficial effects of simple process, low manufacturing cost and easy industrial production.
Owner:宁波智宇流体技术有限公司

Hot melt adhesive particle production line

The invention relates to a hot melt adhesive particle production line which is characterized by comprising a production and reaction device, an extrusion device, a cooling device, a traction pelleter, a dehydrating and spin-drying device and an air-drying device. Through the invention, the processes of feeding hot melt adhesive particles, producing hot melt adhesive particle products and packing the hot melt adhesive particle products are conducted without manual operation, namely a series of production processes of feeding hot melt adhesive particles, extruding adhesive tapes, cooling adhesive tapes, pelleting the adhesive tapes, dehydrating the adhesive tapes, performing the spin-drying and secondary air-drying to the adhesive tapes and the like is conducted without manual operation. Therefore, the degree of automation is high, the labor intensity of workers is low, the production efficiency is high, a large amount of labor cost is saved for enterprises, the production and business cost of the enterprises is reduced effectively, and the product competitive advantage in market is enhanced.
Owner:FOSHAN XINTAO NEW MATERIAL TECH

Metal-ceramic wear-resistance material of three-dimensional network ceramic skeleton and preparing method thereof

The invention relates to a metal-ceramic wear-resistance material of a three-dimensional network ceramic skeleton and a preparing method thereof. The three-dimensional network ceramic skeleton made bya 3D printing technology is used as a ceramic base body compounded with a metal base body, the whole is continuous, and the strength is high; as the ceramic skeleton is doped with metal alloy powder,the reactivity of the ceramic base body is effectively improved when base body molten metal is cast due to the existence of the metal alloy, the wettability of the molten metal in the ceramic skeleton is improved, and the molten metal is better permeated in the ceramic skeleton; as the melting point of the to-be-doped metal alloy powder is high, the solid characteristics of part of powder do notchange during sintering, the integrity of the three-dimensional network ceramic skeleton is facilitated, the strength of the skeleton is ensured in the casting process, and accordingly, the strength and the wear resistance of the metal-ceramic wear-resistance material are higher; and therefore, the problem that the bonding property of the ceramic base and the base metal is poor is radically solved, the production cycle of the product is greatly shortened, and the market competitiveness of a production enterprise is greatly improved.
Owner:ZHONGCAI HIGH NEW MATERIAL +1

Stripping device for roll material sponge and in-shell film pasting automation equipment applying stripping device

The invention discloses a stripping device for a roll material sponge. The device comprises a first mounting frame, a discharging roller, a material passing track, a stripping assembly, a pulling assembly and a receiving roller, the discharging roller, the material passing track, the stripping assembly, the pulling assembly and the receiving roller are arranged on the first mounting frame, the stripping assembly is located at the tail end of the material passing track, the discharging roller and the receiving roller are located above and below the material passing track respectively, and the pulling assembly is located below the material passing track. In-shell film pasting automation equipment comprises the stripping device and further comprises a machine table, a rotating disc, a discharging device, a material moving device and a film pasting device, the rotating disc, the discharging device, the material moving device and the film pasting device are arranged on the end face of the machine table, and the film stripping device is also arranged on the machine table. The in-shell film pasting automation equipment is uniform, adjustable and controllable; the speed and the efficiency are high; only materials need to be replaced and products need to be collected manually, one person can operate multiple devices, manpower is saved, and cost is reduced; automatic production is achieved, personnel are few, and management is easy; and the production cost is low, the product quality is good, the market competitive advantage is greatly improved, and the device and the equipment are suitable for wide use and popularization.
Owner:SALCOMP SHENZHEN CO LTD

Cell-free display type IC card

The invention relates to a display type IC card without cell, which positions a communication interface, a microprocessor, a non-volatilize read and write storage, a constant-voltage rectifier circuit, a display driving circuit and a boosted circuit inside the card and arranges a display on the surface of the card to receive the external data; the microprocessor reads the data and displays the data on the display screen to provide the user to check the external data. The display screen is a two state display screen, when the data is displayed, the display screen need not to power continuously, but the display data can be restored until the data updating. The communication interface is a non-touching radio-frequency interface or a touching communication interface; the inner power can use the radio-frequency interface circuit to receive the radio-frequency signal; the signal can be rectified to dc voltage to provide to the inner working voltage; it also can use the power signal of the non-touching communication interface to provide the power.
Owner:SMARTDISPLAYER TECH CO LTD

Low-fat-content Xinjiang naan bread and preparation method thereof

The invention relates to low-fat-content Xinjiang naan bread and a preparation method thereof, and belongs to the field of food processing. The low-fat-content Xinjiang naan bread is mainly prepared from the following raw materials in parts by weight: 500 parts of flour, 5-15 parts of hypsizygus tessellates powder, 1-3 parts of active dry yeast, 1-4 parts of salt, 3-6 parts of sugar and 200-300 parts of water. Compared with conventional Xinjiang naan bread, the low-fat-content Xinjiang naan bread disclosed by the invention has the following advantages: the hypsizygus tessellates powder is added in the raw materials while grease is omitted, so that the prepared low-fat-content Xinjiang naan bread is rich in nutrition, and has health-care effects; moreover, the low-fat-content Xinjiang naan bread is low in fat content, healthy and prolonged in shelf life. Although the raw materials of the low-fat-content Xinjiang naan bread disclosed by the invention contain no grease, the crispness of the low-fat-content Xinjiang naan bread is comparable to the crispness of the Xinjiang naan bread added with grease, or the crispness of the low-fat-content Xinjiang naan bread is even better. In addition, the addition of the hypsizygus tessellates powder is capable of improving the coloring capacity of the Xinjiang naan bread, so that the baking time is thereby shortened. An oven is utilized to replace the pit as a baking device according to the preparation method; and during the baking processes, a technological means of using high heat first and using low heat later is utilized, so that the problems of excessive dryness and excessive hardness of the surface of the Xinjiang naan bread are effectively solved.
Owner:UNIV OF JINAN

Palygorskite/aluminum oxide composite lithium ion battery coating diaphragm and preparation method thereof

The invention discloses a palygorskite / aluminum oxide composite lithium ion battery coating diaphragm and a preparation method thereof. The surface of a lithium ion battery diaphragm substrate of the palygorskite / barium sulfate composite lithium ion battery coating diaphragm disclosed by the invention is uniformly coated by a layer of palygorskite / barium sulfate slurry; the palygorskite / barium sulfate slurry is prepared from the following raw materials by weight percent: 0.7-1.5% of a surfactant, 0.5-1.0% of a thickening agent, 6.0-12.0% of an adhesive, 0.1-0.5% of a dispersing agent, 20.0-50.0% of a palygorskite / barium sulfate mixture, 3.0-7.0% of a defomaing agent and 40.0-70.0% of a solution, wherein the sum of the percentages of the raw materials is 100.0%. The invention further discloses a preparation method. By adopting the palygorskite / barium sulfate composite lithium ion battery coating diaphragm disclosed by the invention, the electrochemical property of a lithium ion battery can be effectively improved by the related product, the cost is low, and great competitive advantages in market can be achieved.
Owner:湖南锂顺能源科技有限公司

Welding machine cable material adopting single covering layer and preparation method thereof

The invention relates to a welding machine cable material adopting a single covering layer and a preparation method thereof, and belongs to the technical field of cables. The technical scheme is that the welding machine cable material comprises the following main components: 90-105 parts of chlorinated polyethylene rubber, 20-30 parts of ethylene propylene rubber, 0.5-1 part of poly(1,2-dihydro-2,2,4-trimethylquinoline), 5-8 parts of low-molecular polyethylene wax, 1-3 parts of antimony trioxide, 10-15 parts of dioctyl phthalate, 3-4 parts of dicumyl peroxide, 2-3 parts of triallyl isocyanurate and 0.5-1.5 parts of N,N'-1,3-metaphenylene bismaleimide. According to the welding machine cable material and the preparation method, the chlorinated polyethylene rubber and ethylene propylene rubber are taken as the base materials, double functions including insulation and sheathing are considered, the cable material has characteristics of the flame retardant level A, has good electric insulation property, passes the 1,000 V finished product voltage test, has wear-resisting, oil-resisting and soft characteristics and meets all requirements in the national standard GB / T5013.1 for SE3 and SE4 materials, the tensile strength is higher than 12 Mpa, the cost is about half of that of SE4 neoprene in the corresponding period or other equivalent synthetic elastomer mixture, so that the cable material has great competitive advantage in market.
Owner:HEBEI HUATONG WIRES & CABLES GRP CO LTD

Easy-open nut and process method

The invention discloses a technique to make sorted suitable walnut into four kinds of seasoned walnut products through vacuum technology, namely, multi-flavor fresh walnut with naked kernel, multi-flavor fresh naked walnut kernel, multi-flavor dry walnut with naked kernel and multi-flavor dry naked walnut kernel. The invention provides a solution for improving production efficiency, quality and variety of processed naked-kernel walnut products.
Owner:吴迪男

Solomonseal rhizome health-care functional beverage

The present invention relates to the field of food processing and preparation, and specifically discloses a solomonseal rhizome health-care functional beverage. The beverage is prepared from a cellulase enzymolysis extractive solution which has a concentration of 0.35-1% and is extracted by a specific cellulase enzymolysis extraction process, a sweetener and an acidulant, wherein the mass ratio ofthe extractive solution, the sweetener to the acidulant is (45-65):(20-24):(1-2). The functional beverage effectively overcomes the defects of low extraction efficiency of solomonseal rhizomes in theprior art, poor mouth feel of functional beverages containing solomonseal rhizomes, and high preparation cost. The method enables the beverage to have a good mouth feel and high appearance and lusterwhile full playing the health-care functions of solomonseal rhizomes, significantly improves the raw material utilization rate of solomonseal rhizome medicinal material, and plays an important role in promoting the popularization of the solomonseal rhizome health-care functional beverage.
Owner:CHENGDU YUQUAN LVJIAN TECH

Method for smelting TA2 flat ingot by cold cathode electron beam

The invention provides a method for smelting TA2 flat ingot by cold cathode electron beam. The method comprises the following steps of A, feeding a conventional titanium raw material block into an electron beam cold bed smelting furnace, starting an EB gun 1-5, and melting the titanium raw material block in the cold bed; B, adjusting the scanning patterns of EB guns 6 and 7 to completely melt thetitanium raw material block to liquid; C, putting the molten liquid in the cooling bed into a crystallizer, and covering the whole crystallizer with scanning patterns of EB guns 6 and 7; and D, adjusting the current of the EB gun 1-4 to be 2-6 A, adjusting the current of the EB gun 5 to be 4-6 A, adjusting the current of the EB gun 6-7 to be 2-4 A, smelting and ingot drawing at a speed of 600-800kg / h, and cooling to obtain the TA2 flat ingot. The method is low in cost, high in production and yield, stable in chemical composition and excellent in surface quality.
Owner:YUNNAN TITANIUM IND

Method for decomposing ternary alloys to prepare silicon or germanium nanometer materials

The invention provides a method for decomposing ternary alloys to prepare silicon or germanium nanometer materials. The method comprises the steps of solid-phase synthesis of Li-Zn-Si or Li-Zn-Ge ternary alloy compounds and preparation of the silicon or germanium nanometer materials by decomposition of the Li-Zn-Si or Li-Zn-Ge ternary alloy compounds. The used raw materials are low in production cost, free of poison and safe; and the method is mild in reaction condition, stable in process, high in yield, low in cost, free of complex aftertreatment process, suitable for scale production of the nanometer silicon or germanium materials and higher in market competitiveness. The prepared nanometer silicon or germanium materials are of porous structures, small in particle size (10-100 nm), narrow in particle size distribution, uniform in particle size, high in purity, low in oxygen, excellent in dispersibility and high in applicability.
Owner:SHANDONG UNIV

Two-dimensional carbon nanosheet and method for preparing two-dimensional carbon nanosheet on a large scale

The invention relates to a two-dimensional carbon nanosheet and a method for preparing the two-dimensional carbon nanosheet on a large scale. Carbohydrates are creatively used as carbon sources for preparing the two-dimensional carbon nanosheet, the carbon sources do not need to be subjected to esterification reaction, and hydroxyl is directly complexed with transition metal provided by nitrate toform a metal polymer skeleton. The formation time of the aqueous solution is greatly shortened and is only less than 1h, which cannot be realized by the existing preparation process and has importantsignificance. The formation time of precursor colloid is further shortened and less than 2h by using the carbohydrates. Nitrate radicals provided by nitrate in the invention can generate a large amount of gas in an instant or rapid pyrolysis process, so that a strong impact force is provided to counteract the stacking force between the carbon sources, and an ultrathin carbon nanosheet is obtained. Short-time large-scale preparation of high-quality two-dimensional carbon nanosheet is realized and the preparation time is less than 3-4h, which is a qualitative improvement for the preparation technology of the two-dimensional carbon nanosheet.
Owner:SHANDONG UNIV OF TECH

Oil pressure damper

The invention provides an oil pressure damper. The oil pressure damper comprises an oil storage cylinder. The oil storage cylinder is internally sleeved with a working cylinder. The oil storage cylinder and the working cylinder are filled with hydraulic oil. A guide cover is arranged at one end of the oil storage cylinder and the working cylinder in a sealed mode. A bottom valve base is arranged at the other opposite end of the working cylinder in a sealed mode. The oil storage cylinder and the working cylinder are further filled with gas. The bottom valve base is provided with a bottom valve unit which can circulate the hydraulic oil in the oil storage cylinder and the working cylinder. According to the oil pressure damper, the situation that the size of the oil storage cylinder is increased due to the fact that a compensation air bag is installed is not needed, so that the structure of the hydraulic oil damper is more compact; and in addition, the production cost of the compensation air bag and an installation assembly is reduced, the installation time of the compensation air bag and the installation assembly is saved, and the market competitive advantage is improved.
Owner:CRRC QINGDAO SIFANG ROLLING STOCK RES INST

High-accuracy automatic film pasting device for large-tolerance incoming material

The invention discloses a high-accuracy automatic film pasting device for a large-tolerance incoming material. The high-accuracy automatic film pasting device for the large-tolerance incoming materialcomprises a feeding station, a cleaning station, a reverse side label discharging machine, a turnover station, a positioning station, a front side label discharging machine, a levelling station, a discharging station and a center rotary plate, wherein eight magnetic sheet carriers are uniformly arranged on the outer edge on the center rotary plate along the circumferential direction; the feedingstation, the cleaning station, the reverse side label discharging machine, the turnover station, the positioning station, the front side label discharging machine, the levelling station and the discharging station are sequentially and uniformly arranged along the circumferential direction of the center rotary plate; a drive device for controlling rotation is arranged in the center of the center rotary plate; positioning clamp holes are formed in the magnetic sheet carriers; electric appliance magnetic sheets are arranged on the magnetic sheet carriers; and positioning holes are formed in the electric appliance magnetic sheets. The high-accuracy automatic film pasting device for the large-tolerance incoming material provided by the invention overcomes the defects of the prior art, and is reasonable in structure, high in automation degree, and beneficial to reducing the production cost and improving the production efficiency.
Owner:东莞市赛恩斯自动化设备科技有限公司

Cast iron base structure of box type motor unilateral wind path and box type motor

The invention discloses a cast iron base structure of a box type motor unilateral wind path. Thecast iron base structure comprises a cast iron base which is integrally formed by square boxes at two sides and a middle cylinder; the middle cylinder comprises a core cylinder, inwards-protruding axial inner reinforcing ribs are arranged on the periphery of the core cylinder, and axial ventilation channels of the machine base are formed between the axial inner reinforcing ribs. The inwards-convex axial inner reinforcing ribs are in interference fit with the outer diameter of the stator iron core atthe same time to support and install the stator iron core; radial inner reinforcing ribs are further arranged in the core cylinder, and the inward-protruding height of the radial inner reinforcing rib is lower than that of the axial inner reinforcing rib. The tops of the square boxes on the two sides are provided with an air inlet of a non-shaft-extension end and an air outlet of a shaft-extension end respectively, and the side portions of the square boxes are provided with installation base plates of an auxiliary junction box and a main junction box respectively. According to the invention,motors with all pole numbers and all rated power output at the same center height use the same cast iron base blank, so that the comprehensive cost of the whole machine is effectively reduced while the production and manufacturing period of the base is greatly shortened.
Owner:WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GRP CO LTD +1

Photoelectric PET (polyethylene terephthalate) sorting device

The invention discloses a photoelectric PET (polyethylene terephthalate) sorting device. The photoelectric PET sorting device is characterized by mainly comprising a loading platform, a feeding chamber, a vibration feeder, a photoelectric sorting machine, a PET single-color chamber and a mixed-color chamber, wherein the photoelectric sorting machine consists of a photoelectric identification sensor, a photoelectric identification controller and a pneumatic sorting machine; the photoelectric identification sensor is used for automatically identifying fragments with different colors in PET raw materials and transmitting an identification result to the photoelectric identification controller; the photoelectric identification controller is used for controlling the pneumatic sorting machine according to settings and separating fragments with the needed color from fragments with other colors. According to the structure of the photoelectric PET sorting device, the photoelectric PET sorting device can be embedded into a PET recovery production line to automatically sort out the raw materials with the needed color, so that the aim of quality control is achieved, and the market competitiveness of an enterprise is effectively improved.
Owner:林小峰

Wooden parquets outer casing

The invention relates to a wooden mosaic shell, which includes a substrate made of thin wooden board. The front of the substrate is embedded with a plurality of patterns composed of wooden sheets with different colors; the back of the substrate is adhered with a lining board. When manufactured, the wood of different species and colors is processed to various thin boards with the same thickness, the thin boards are dried and pressed flatly to become thin wooden plank stuffs with bright colors and clear veins; a piece of plank stuff is selected as the shell substrate, various patterns are drawn on the substrate evenly and cut out from the substrate, so that a plurality of pattern shaped spaces are formed on the whole plank stuff; on the other thin wooden plank stuffs with different colors, a plurality of pattern sheets with different colors are cut out according to the shapes of the patterns; the pattern sheets are embedded into the spaces of a plurality of same patters on the substrate one by one correspondingly, and the whole shell or one or several surfaces of the shell of the product is jointed for replacing the shell of each digital product, so the shells of the products are various, and the individuality of the product is shown.
Owner:林福利

Installation structure for cooling fan of generator

The invention discloses an installation structure for a cooling fan of a generator. The installation structure comprises a generator rotary shaft, a fan body, a center shaft sleeve and a peripheral lock plate. Firstly, the center shaft sleeve is inserted in a shaft hole of the fan body in a mode that a shaft sleeve groove is aligned with a fan boss on the fan, and thus the fan boss enters the shaft sleeve groove; then the center shaft sleeve with the fan body is installed on the generator rotary shaft in a sleeving mode, a shaft sleeve boss on the center shaft sleeve is embedded into a rotaryshaft key groove in the generator rotary shaft, the inner end face of the center shaft sleeve leans against the stepped face between the inner rotary shaft section and the middle rotary shaft sectionof the generator rotary shaft, and the outer end face of the center shaft sleeve is flush with the outer end face of the outer rotary shaft section; and then the peripheral lock plate is arranged on the outer end head of the rotary shaft in a sleeving mode, a plurality of installation holes in the peripheral lock plate are aligned with a plurality of threaded blind holes in the generator rotary shaft one by one, and then the peripheral lock plate is fixed to the generator rotary shaft through a plurality of bolts. The installation structure for the cooling fan has the characteristics of convenient installation, flexible replacement and disassembly and the like.
Owner:上海马拉松·革新电气有限公司

Elevator shaft Internet of things equipment wireless communication fault processing method

ActiveCN105245411ATroubleshoot communication outagesRealize the effect of continuous transmissionTransmission systemsSoftware testing/debuggingTime errorCommunication quality
The invention discloses an elevator shaft Internet of things equipment wireless communication fault processing method, which comprises a transmission data unit time error code number counting program compilation method, a protocol layer fracture fault processing program compilation method and a circuit communication disconnection fault processing program compilation method. A numerical value calculated by the transmission data unit time error code number counting program compilation method is larger than a set standard value, and the circuit communication disconnection fault processing program compilation method is adopted to process wireless communication fault. A numerical value calculated by the transmission data unit time error code number counting program compilation method is smaller than or equal to a set standard value, and the protocol layer fracture fault processing program compilation method is adopted to process wireless communication fault. The elevator shaft Internet of things equipment wireless communication fault processing method eliminates communication fault such as frequency disconnection in elevator shaft wireless communication, and the communication quality is improved.
Owner:中景恒基云端物联网科技成都有限公司

Preparation method of dephosphorization and denitrification type biological filter material and application of dephosphorization and denitrification type biological filter material to integrated treatment equipment for rural domestic sewage

The invention relates to the technical field of sewage treatment, in particular to a preparation method of a dephosphorization and denitrification type biological filter material and application of the dephosphorization and denitrification type biological filter material to integrated treatment equipment for rural domestic sewage. The method comprises the following steps: (1) crushing and sievingautoclaved aerated concrete block leftovers; (2) crushing and sieving sulfur-containing iron ore and other raw materials; (3) mixing the following components in percentage by weight: 15-25% of cement,40-50% of a crushed autoclaved aerated concrete material, 10-15% of fly ash, 10-16% of sulfur-containing iron ore powder, 5-10% of lime, 3-5% of gypsum powder, 5-8% of heavy calcium carbonate powderand 0.1-0.15% of a pore forming agent; (4) preparing raw material balls by using a granulator; and (5) conducting autoclaved curing. The biological filter material is used in the integrated treatmentequipment for rural domestic sewage, especially in an anaerobic filter. According to the method, the autoclaved aerated concrete leftovers are recycled and made into the dephosphorization and denitrification type biological filter material, so the dephosphorization and denitrification effect of the integrated treatment equipment for rural domestic sewage is enhanced.
Owner:WEIFANG UNIVERSITY

Mineral modified polypropylene composite material for vehicles and preparation method of mineral modified polypropylene composite material

The invention discloses a mineral modified polypropylene composite material for vehicles and a preparation method thereof, and provides the following technical scheme aiming at the problems of the existing PP modified material: the mineral modified polypropylene composite material is prepared from the following raw materials in parts by weight: 50-90 parts of polypropylene (PP), 10-40 parts of talc master batch, 3-10 parts of flexibilizer, 0.1-0.5 part of stabilizer, 0.1-0.5 part of lubricant and 0.2-1 part of other auxiliaries. The preparation method comprises the following steps: material preparation, material premixing and mixing. The mineral modified polypropylene composite material for vehicles provided by the invention has good mechanical properties and excellent aging resistance, and also has good processability and product appearance, and the preparation method of the material provided by the invention is simple and has high comprehensive benefits.
Owner:SUZHOU SUNWAY POLYMER
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