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2855results about How to "Reduce the use effect" patented technology

Tile feeding driving mechanisms, tile feeding assemblies and mahjong machine

The invention discloses tile feeding driving mechanisms, tile feeding assemblies and a mahjong machine. Each tile feeding driving mechanism of the mahjong machine comprises a tile feeding support, a tile storage groove, a tile feeding guide rail, a tile feeding pushing head and a steel wire rope, rolling parts are arranged at the position, close to the corresponding tile feeding guide rail and/or the corresponding tile storage groove, of each steel wire rope, each rolling part is installed on the corresponding tile feeding guide rail or the corresponding tile feeding support in a rotatable mode, the part, located in the corresponding tile storage groove, of each steel wire rope are in rolling contact with the multiple rolling parts, and a gap is maintained between the part, located in the corresponding tile storage groove, of each steel wire rope and the corresponding tile feeding guide rail and/or the side wall of the corresponding tile storage groove. According to the scheme, sliding friction of steel wire ropes in the prior art is replaced with rolling friction of the steel wire ropes, friction resistance in the operation process of the steel wire ropes is greatly decreased, and the situation that the service life and operation stability of the steel wire ropes are influenced due to sliding friction contact between the part, located in the corresponding tile storage groove, of each steel wire rope and the corresponding tile feeding guide rail and/or the arc-shaped bent side wall of the corresponding tile storage groove is avoided.
Owner:ZHEJIANG CHAOSHENG ELECTROMECHANICAL TECH CO LTD

Access authentication method of internet-of-things fog device at cloud platform based on blockchain

The present invention relates to an access authentication method of an internet-of-things fog device at a cloud platform based on a blockchain. An internet-of-things device initiates an agent request of accessing a cloud platform to an intelligent gateway with a blockchain module through the means of device authentication; the blockchain module of the intelligent gateway accesses a blockchain network and gives out device certificate of the internet-of-things device and the device certificate of the intelligent gateway to the blockchain network for requiring authentication, wherein the blockchain network determines whether the request link of the intelligent gateway is frequently changed in a short period or has safety risk or not, and then verifies the legality of the intelligent gateway certificate; the same mode is employed to verify the legality of the device certificate of the internet-of-things device; and if the internet-of-things device with the blockchain module also can initiate the agent request of accessing the cloud platform, the authentication access mode is the same as the authentication mode of the intelligent gateway. The dependence on the cloud platform and the usage frequency are reduced, and the risks of the cloud platform being sniffered and injected at the aspect of the device access are reduced.
Owner:FUJIAN SHIDA COMP EQUIP

Nano material-based water-based oil field injection agent and preparation method thereof

The invention relates to a nano material-based water-based oil field injection agent and a preparation method thereof. The injection agent consists of 20 to 60 weight percent of diesel oil, 30 to 70 weight percent of surfactant, 1 to 10 weight percent of nano material and 1 to 20 weight percent of auxiliary agent, wherein the nano material is one or more of nano silicon dioxide, nano titanium oxide, nano magnesium oxide and nano aluminum oxide after surface modification. The preparation method thereof comprises the following steps that: firstly, weighing the diesel oil in proportion; secondly, adding the nano material in the diesel oil; thirdly, emulsifying and dispersing the mixture in an emulsifying machine; fourthly, adding the surfactant and the auxiliary agent into the emulsified and dispersed mixture; and finally, mechanically stirring to disperse the mixture at room temperature or in a water bath to obtain stock solution of the nano water-based injection agent. The injection agent can be mixed with water at any proportion to obtain homogeneous emulsified dispersion. After the emulsified dispersion is injected in the oil field through a specific process, the water injection pressure can be obviously reduced, the amount of water injection can be increased and the oil production efficiency can be improved so as to achieve the purpose of energy conservation and injection increase.
Owner:SHANGHAI UNIV

Compound feed for teaching piglets to eat foods other than breast milk

InactiveCN102178115AHealthy micro-ecological balance environmentAvoid damageFood processingAnimal feeding stuffDiseaseSucrose
The invention provides compound feed for teaching piglets to eat foods other than breast milk, which is used for weaning piglets and teaching the piglets to eat foods other than breast milk, and comprises the following components in part by weight: 212.4 parts of corn starch, 154.0 parts of bulked corn, 100.0 parts of 46 percent of bulked bean pulp, 40 parts of fish meal, 100 parts of wheat flour, 5 parts of calcium powder, 21 parts of calcium hydrophosphate, 2 parts of table salt, 20 parts of soybean oil, 5 parts of lysine, 2 parts of threonine, 1.5 parts of choline chloride, 10 parts of premix, 0.2 part of complex enzyme, 0.3 part of pig Duowei, 0.2 part of sweetener, 0.3 part of flavouring agent, 3 parts of baking soda, 20 parts of cane sugar, 30 parts of glucose, 50 parts of egg powder, 70 parts of soy protein concentrate, 50 parts of fermented bean pulp, 6 parts of acidizer, 100 parts of whey powder, 0.5 part of mould removing agent, 0.3 part of antioxidant and 0.3 part of mildewpreventive. In the invention, the problems of incomplete immune functions, low disease resistance, inadequate digestive ferment, incomplete upper gastrointestinal development, low digestion and absorption ability, susceptibility to diarrhea and the like of piglets.
Owner:AGRI SCI & TECH INST CO LTD OF CHENGDU WEST HOPE GRP

Mahjong machine and control method thereof

The invention discloses a mahjong machine and a control method thereof.A mahjong support in a one-part mahjong pickup and carrying system of the mahjong machine is installed above a mahjong delivery device in a the-other-party mahjong pickup and carrying system, and a mahjong inlet of a mahjong storage groove is higher than a mahjong outlet of the mahjong delivery device in height for the thickness of at least one piece of mahjong.A mahjong-ejecting push head is provided with multiple mahjong pushing positions, the mahjong pushing positions are respectively in contact with two pieces of mahjong vertically superposed in the same pier, and the mahjong pushing positions in contact with lower-layer mahjong protrude out of the mahjong pushing positions in contact with upper-layer mahjong, so that when the mahjong-ejecting push head pushes multiple piers of mahjong to move horizontally, the upper-layer mahjong are behind the lower-layer mahjong, and when the mahjong-ejecting push head pushes the last piece of mahjong onto an oblique mahjong-lifting supporting plate, the upper-layer mahjong are flush with the lower-layer mahjong.By the adoption of the scheme, the whole main mahjong machine is simple in structure and convenient to manufacture, debug and maintain.In addition, vertical displacement of pieces of mahjong lifted onto the desktop of the mahjong machine is avoided.
Owner:ZHEJIANG CHAOSHENG ELECTROMECHANICAL TECH CO LTD

Access control system based on intelligent terminal and control method of access control system

The invention discloses an access control system based on an intelligent terminal and a control method of the access control system. The system sends verification information to a two-dimension code generation and display device by use of a server host; the intelligent terminal scans a two-dimension code generated by the two-dimension code generation and display device and a user performs validation; after validation, the validated information is sent to the server host for comparison validation; after the comparison validation is successful, the server host sends a door opening signal code to an access control controller to open the door; and if the comparison validation fails, the server host sends validation failure information to a display. The access control system based on the intelligent terminal has the advantages that a key, an access control card or other articles cannot be required so that the trouble caused by forgetting carrying or wrong use can be reduced, such input devices as a coded lock or a fingerprint lock do not need to be arranged and the functions can be completed by use of the carried intelligent terminal, and therefore, the instability or damage of the existing coded lock or fingerprint lock device due to long-term touch is avoided, and the trouble of manual password change of the existing coded lock is avoided.
Owner:CHANGAN UNIV

Preparation method of high-strength high-modulus polyethylene fiber

InactiveCN101775666AReduced molecular weight reductionImprove screw efficiencyMelt spinning methodsFilament-forming treatmentSolventMiddle molecular weight
The invention relates to a preparation method of a high-strength high-modulus polyethylene fiber, which comprises the following steps: ultra high molecular weight polyethylene powder with the molecular weight of 1.5 to 8 million is mixed with a solvent according to a mass ratio of 1 to 10: 100 and is mixed with an anti-oxygen agent to be hated and mixed in a mixing tank, the quantity of the anti-oxygen agent is 2 to 5 percent of the solute mass, the heating temperature is 100 to 200 DEG C, the powder is adequately dissolved to obtain the ultra high molecular weight polyethylene solution, the ultra high molecular weight polyethylene is naturally cooled to form gel blocks, the gel blocks are taken out to be smashed into particle powder with partial solvent is removed so as to obtain a ultra high molecular weight polyethylene spinning raw material with the solid content of 20 to 70 percent by weight, the prepared ultra high molecular weight polyethylene spinning raw material is inputted to a screw to be melt and to extrude filature, and the filature is pre-stretched and coiled, and then is leached, dried and hot stretched to obtain the high-strength high-modulus polyethylene fiber with the fracture strength of 20 to 50 cN/dtex and the modulus of 450 to 1250 cN/dtex. The preparation method solves the problems of the prior art that the molecular weight is seriously reduced and the efficiency of the screw is low during the spinning process of the high-strength high-modulus polyethylene fiber, and overcomes the weaknesses of the prior art that the toxicity is serious, the environment is polluted and the production cost is high.
Owner:DONGHUA UNIV

Waste heat recovery device of air compressor and control method of waste heat recovery device

The invention discloses a waste heat recovery device of an air compressor and a control method of the waste heat recovery device. The waste heat recovery device comprises heat exchanging modules and enhanced heat exchanging modules, wherein the heat exchanging modules are arranged in parallel at the two ends of an oil-channel electric valve; the reinforcing heat exchanging modules are arranged in parallel at the two ends of the air-channel electric valve; the heat exchanging modules and the reinforcing heat exchanging modules are utilized to recover and store the heat energy in circulating oil and the heat energy in compressed air lost and wasted when the air compressor operates; the heat energy of the compressed air can be recycled at highest efficiency under the premise that the operation of the air compressor is not impacted. According to the waste heat recovery device of the air compressor and the control method of the waste heat recovery device, the collected data are analyzed and operated so as to realized effective high intelligent control; not only is the efficiency of the operation of the air compressor improved, but also the energy input of the heat energy utilizing modules can be reduced, the energy consumption or fuels for heating are lowered, and energy comprehensive utilizing degree is improved. Therefore, the waste heat recovery device has the advantages that the energy-saving effect is good, the intelligent degree is high, and the stability is excellent.
Owner:ZHEJIANG UNIV

Automatic mahjong machine

The invention discloses an automatic mahjong machine. The automatic mahjong machine comprises tile delivery devices, tile pushing devices and a slope tile discharging device, wherein the slope tile discharging device comprises tile loading assemblies and a tile raising assembly; each tile delivery device comprises a tile delivery box, a tile delivery passage for delivering mahjong tiles is arranged in the tile delivery box, a tile suction wheel is arranged at a tile inlet of the tile delivery passage, a conveying belt driven by a tile delivery motor is arranged in the tile delivery passage, the tile delivery passage is bent in an arc shape, and an included angle formed by the tile incoming direction of the tile inlet and the tile outgoing direction of a tile outlet is 1-15 degrees; in a same tile picking and carrying system, the tile delivery device is arranged between a tile storage groove of the corresponding tile loading assembly and a large tile shuffling disk, an included angle formed by the tile incoming direction of a tile inlet of the tile storage groove and the tile outgoing direction of the corresponding tile outlet of the tile delivery device is 80-100 degrees, and the tile pushing direction of a tile pushing head is matched and consistent with the tile incoming direction of the tile inlet of the tile storage groove. According to the scheme, the mahjong machine is thinner, the tile storage grooves are lengthened, tile jamming does not occur easily, few faults exist, and the running stability is good.
Owner:ZHEJIANG CHAOSHENG ELECTROMECHANICAL TECH CO LTD

Mahjong machine and slope tile discarding device thereof

The invention discloses a mahjong machine and a slope tile discarding device thereof. Four integrated supports are connected end to end to form the square slope tile discarding device, and each integrated support is provided with a tile feeding part and a tile lifting part; each tile feeding part comprises a U-shaped tile storage groove which is integrally formed with the corresponding integrated support, wherein the tile storage groove is provided with a tile feeding guide rail, a tile feeding push head and a tile feeding drive mechanism; each tile feeding drive mechanism comprises a tile feeding motor, a drive winding wheel and a steel wire rope, multiple rolling needle grooves are formed in the tile feeding guide rails, rolling needles are embedded into the rolling needle grooves, the portions, in the tile storage grooves, of the steel wire ropes make rolling contact with the rolling needles, and gaps are maintained between the portions, in the tile storage grooves, of the steel wire ropes and the side walls of the tile feeding guide rails and/or the tile storage grooves. According to the mahjong machine and the slope tile discarding device thereof, the tile feeding support, provided with the large-arc-shaped tile storage part, of one party and the tile lifting part of the other adjacent party are both installed on the same integrated support, the four integrated supports are connected end to end to form the square slope tile discarding device, assembly is convenient, and the production efficiency is improved; sliding friction of the steel wire ropes is replaced by rolling friction, and therefore the service life and operation stability of the machine are improved.
Owner:ZHEJIANG CHAOSHENG ELECTROMECHANICAL TECH CO LTD

Waterborne polyurethane resin and preparation method of dipping sizing agent for synthetic leather base material

The invention relates to a preparation method of waterborne polyurethane dipping sizing agent for synthetic leather base material, belonging to the technical field of chemical products and a preparation method thereof. The preparation method is characterized in that diisocyanate, polyester polyol, polyether polyol and hydrophilic chain-extending agent carry out polymerization to generate prepolymer; the prepolymer is reacted with a neutralizer to carry out water dispersion emulsification to generate a waterborne polyurethane resin; and the waterborne polyurethane resin, wetting agent, thickener and stabilizer are reacted to generate synthetic leather base material dipping sizing agent. In the preparation method for synthesizing the leather base material dipping sizing agent by the waterborne polyurethane, synthetic leather and artificial leather base material manufactured after an ultrafine non-woven fabric is dipped in the dipping sizing agent have favorable performance, soft handle, favorable elasticity and stronger tear strength and tensile strength. In addition, the use and the discharge of organic solvent in a manufacture process is greatly reduced, the energy consumption and the environmental pollution is reduced to the maximum extent, and the invention has a wide popularization and application prospect.
Owner:烟台道成化学有限公司

Oil water gas three-phase energy-saving minimal quantity lubrication system

The invention discloses an oil water gas three-phase energy-saving minimal quantity lubrication system which comprises a minimal quantity oil injection device, a water solution injection device and a nozzle device. Minimal quantity lubricating oil is contained in the minimal quantity oil injection device, and water solutions are contained in the water solution injection device. Compressed air is introduced into the oil water gas three-phase energy-saving minimal quantity lubrication system and is divided into two paths, one path reaches the water solution injection device, the other path of the compressed air is divided into two branches, one branch passes the oil injection device, and the other branch is communicated with the nozzle device through a pipeline. The minimal quantity oil injection device and the water solution injection device are communicated with the nozzle device through pipelines. Flow of oil, gas and water is controlled, so that the problems that in the prior art, the water and the oil can not be evenly mixed, and the liquid outlet effect is not good are solved, and electricity use amount of an air compressor can be saved by 70-90%. Compared with a traditional lubricating technology, the oil water gas three-phase energy-saving minimal quantity lubrication system can reduce the use quantity of lubricants by more than 95% and reduce emission amount by more than 95%, and the energy conservation, emission reduction and environment protection effects are remarkable.
Owner:SHANGHAI JINZHAO ENERGY SAVING TECH
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