70results about How to "Improve protection" patented technology

The invention discloses a preparation method of superfine fiber high-imitation grain synthetic leather. The preparation method comprises the following steps of: spinning sea-island composite fibers by utilizing nylon 6 and low-density polythene as raw materials, manufacturing non-woven fabric by utilizing the sea-island composite fibers, coating one surface of the non-woven fabric by utilizing high-solid-concentration polyurethane slurry, infiltrating the non-woven fabric by utilizing low-solid-concentration polyurethane slurry, enabling the non-woven fabric to pass through an aqueous solution of dimethylformamide after infiltrating, solidifying polyurethane and forming a cellular structure to obtain synthetic leather semi-finished products, enabling the synthetic leather semi-finished products to pass through methylbenzene to separate sea-component low-density polythene out of the sea-island fibers, peeling off the sea-island composite fibers to be superfine fibers, washing away methylbenzene through boiling water, and drying to obtain the superfine fiber high-imitation grain synthetic leather. The product manufactured by the method disclosed by the invention has the advantages of strong gradient, abundant hand feeling, fine and smooth surface wrinkles and strong toughness after being bent, and has the beneficial effects on aspects of pollution reduction, animal protection, ecological protection and the like.

The invention discloses magnesium alloy surface zinc-calcium series phosphating solution and a conversion treatment process thereof; the magnesium alloy surface phosphating solution is aqueous solution formed by the following constituents, namely, every liter solution contains: 10-30g of disodium hydrogen phosphate, 4-6g of zinc nitrate, 2-4g of sodium nitrite, s0.5-2g of sodium fluoride, and 0.-2g of calcium nitrate; the process for carrying out surface conversion treatment to the phosphating solution comprises the following process flows: alkaline washing and degreasing->rinsing->acidity activation->rinsing->surface activation->rinsing->phosphating->rinsing->drying; the working temperature is 40-70 DEG C, and the time is 5-60 minutes. The conversion treatment process can obtain phosphateconversion coating on the surface of the magnesium alloy, wherein the conversion coating has good protectiveness, is fine and uniform and stable, and has strong adhesive force, and can improve the corrosion-resisting property of magnesium alloy parts; the conversion treatment process is stable and easy to control, and has low cost.

The invention provides a nickel slag processing method for efficiently recovering an iron resource. The method includes the steps that nickel slag is fused, the temperature is kept, a modification agent is added, heat preservation is carried out, and modified nickel slag with the alkalinity ranging from 1.0 to 1.4 is obtained after complete reacting is made; air or oxygen is blown from the bottom or from the top below the liquid face, weak oxidation treatment is carried out on the modified nickel slag, and oxidized nickel slag is obtained; after the temperature of the oxidized nickel slag falls to 1200 DEG C with the temperature fall rate smaller than or equal to 5 DEG C / min, water quenching cooling is carried out, and solidified nickel slag is obtained after complete solidification; the solidified nickel slag is crushed and ground until the particle size is smaller than 200 meshes; and magnetic separation is carried out on slag obtained after cracker grinding, magnetic materials are recovered, and nickel slag processing is completed. By means of the processing method, the iron resource can be recovered from the nickel slag, harmful elements in the nickel slag cannot be brought into iron-rich phases, and an iron ore concentrate can be completed replaced in use. Low-energy-consumption, low-cost and safe and easy processing recovery of the iron resource is achieved, and the method is of great significance in promoting nickel slag resource recycling, enterprise energy saving and emission reduction and environmental protection.

The invention discloses a high-efficiency core-making method for blowing and hardening water glass sand. The original sand, water glass for casting and non-crystalline silicon oxide are mixed by a sand mixer to obtain a core sand mixture, and then the mold-making The core sand mixture is filled into the mold by a core shooter or manually, and the CO blowing is used to 2 CO 2 The gas is blown into the cavity of the mold for blowing hardening, the blowing pressure is 0.1-0.4Mpa, the blowing time is 5-200s, and CO blowing 2 After the gas is finished, replace the compressed air, blow the compressed air into the mold cavity, the blowing pressure is 0.1-0.4Mpa, blow the compressed air for 10-200s, and the mold is ejected after the blowing is completed. The present invention can solve the problem of water glass sand blowing CO 2 The overblowing problem of the method can be solved, and the added amount of water glass can be reduced by more than 50%, and the mechanical properties of the manufactured core can be significantly improved at the same time.

The invention discloses a preparation method of a sialite binding material for well-cementing in an oil-gas field, which belongs to the field of oil and gas development. The preparation method comprises the steps of mixing (by weight percentage) cement clinker 0-45%, granular blast-furnace cinder 55-95% and pulverized fuel ash 0-5%, and grinding together; mixing (by weight percentage) the ground mixed material 30-59.5%, pulverized fuel ash, coal-fired furnace cinder burnt clay or red mud 40-60% and a diagenetic agent, and grinding together; and mixing (by weight percentage) the ground mixed material 80-95% and ground expanded vermiculite 5-15% to obtain the sialite binding material for well-cementing. The preparation method is not only in favor of solving various problems in well-cementing in the oil-gas field, but also remarkably reduces emission of CO2 and other pollutants compared with that in the conventional oil-well cement production.

The invention provides an electric vehicle monitoring system in which an electric vehicle (A) is equipped with a control device (4) for detecting vehicle state information such as position information, speed, incline situation, etc., of the electric vehicle (A) from an orbiting satellite according to GPS and storing the information, the control device can notify a monitoring center (B) according to sending of the electric vehicle (A), that is data communication or audio communication, and via a network (8) such as an integrated services digital network (ISDN) or the like used as a base station or a switch network. Further, the monitoring center (B) transmits the information to a client terminal (C) such as a contract party or the like via the network (8), the client terminal (C) recognizes the information by a terminal information device, such as a personal computer, a fixed telephone, other mobile phones, etc., for example, the monitoring system of the electric vehicle can treat accidents of the electric vehicle (A).

The invention relates to a high-performance water-based bicomponent epoxy zinc rich primer and a preparation method thereof. A water-based bicomponent epoxy zinc rich coating A in the high-performancewater-based bicomponent epoxy zinc rich primer comprises a water-based epoxy curing agent, an additive A, a complex solubilizer, zinc powder, zinc and an anti-settling agent; a water-based bicomponent epoxy zinc rich coating B comprises a water-based epoxy emulsion and an additive B; the weight ratio of the coating A to the coating B is at 100 to (10-30). The preparation method comprises the following steps: (1) uniformly mixing the components in the coating A at ratio and using a 100-mesh screen for filtering; (2) uniformly mixing the components in the coating B at ratio; and uniformly mixing the coating A with the coating B at the weight ratio in a use process and regulating the construction viscosity. When the high-performance water-based bicomponent epoxy zinc rich primer is used, water is taken as a solvent, so that the use of the organic solvent is greatly reduced and the environmental protection is benefited. The collocation of the anti-settling agent is utilized to solve the problems of storage and construction.

The invention provides a direction adjustment control system for a horizontal drilling machine. The direction adjustment control system comprises a positioning measurement system, a fuzzy controller,a PID (Proportion Integration Differentiation) controller and direction adjustment oil cylinders which are arranged on the drilling machine. The invention also provides a direction adjustment controlmethod for the horizontal drilling machine. The actual posture of the drilling machine is compared with the expected posture to obtain the real-time vertical deviation distance L and the deviation angle theta; deviation parameters and the rate of change thereof are input into the fuzzy controller; parameters KP, KID and KD in the PID controller are obtained by selecting appropriate fuzzy control rules and calculating; the PID controller sends out an action signal to the direction adjustment oil cylinders according to the PID parameters; and the direction adjustment of the drilling machine in the vertical or horizontal direction is realized through the cooperation of the action strokes between the different direction adjustment oil cylinders to ensure that the drilling machine advances according to the predetermined route. According to the direction adjustment control system and method, the fuzzy controller is introduced, and different direction adjustment strategies are adopted according to the magnitude of the deviation, so that the fast and high precise direction adjustment of the drilling machine is realized.

The invention discloses a face milling cutter with indexable inserts and knife pads thereof. Each knife pad is provided with a knife pad screw hole and a step groove. The step groove comprises a blade bottom contact face, a blade axial locating face and a blade radial locating face which are connected with each other. A notch with three sides opening is formed in each knife pad. Due to the design of the unique knife pads, blades are not in direct contact with a cutter body, the rigidity of the cutter body is greatly strengthened, the abrasion of the cutter body is reduced, the service life of the cutter is prolonged on the whole, and meanwhile the blades are enabled to be located without the need of being in contact with the cutter body, and the accuracy of repeated locating is high. The service life of the cutter is longer than face milling cutters of other types by more than 50%, the accuracy of processing workpieces is improved by more than one accuracy level, the replacement of the blades is convenient, and the processing cost is reduced greatly.

The invention relates to flux-cored wires, in particular to a processing method of an abrasion resistant welding wire. The processing method comprises the steps of drying microcrystalline graphite powder, aluminium powder, fluorite powder, magnesite powder, potassium carbonate powder, ferrosilicon powder, ferromanganese alloy powder and iron powder, and screening; adding the powder into a mixer for mixing; putting a cleaned and dried steel belt on a roller die, adding the mixed powder on the steel belt, and carrying out mold molding; drawing the molded welding wire to decrease the diameter; and winding the drawn wire layer by layer, and packaging the wound wire. According to the processing method, core wire powder is dried, so that the prepared abrasion resistant welding wire is not liable to have the defects of pores, press pits, even cracks, and the like, during the welding process; and during the preparation process of the abrasion resistant welding wire, the contents of carbon and aluminium are increased, so that the deoxidizing and nitrogen fixing capacities are improved, the electrical arc stability is improved, and the carbon oxidation is inhibited, and the gas overflow splashing is reduced.

The invention provides coating liquid for heating incombustible tobacco product cigarette paper and a preparation method and application of the coating liquid. The coating liquid is prepared from thestep that tobacco extracting concentrated solution, expanded graphite particles, a dispersing agent and tobacco flavor are evenly mixed and subjected to ultrasonic dispersion for 7-15 minutes. The expanded graphite particles are prepared from the steps that expanded graphite particles with the particle diameters of 5-15[mu]m are placed in an atomizing agent solution, fully stirred under a negativepressure condition and absorb the atomizing agent solution, and drying at a low temperature of 70-100 DEG C is carried out. The tobacco extracting concentrated solution is prepared from the step thata tobacco extracting concentrated solution is subjected to vacuum concentration to the relative concentration of 1.21-1.28g / cm<3>. One surface of cigarette paper substrate paper is coated with the coating liquid evenly and subjected to drying slicing under the condition of 50-65 DEG C to obtain the cigarette paper, the cigarette paper can resist high temperature (about 300 DEG C), and the smoke releasing quantity during smoking can be improved.

The invention relates to an environment-friendly aluminum alloy chemical oxidation liquid and a chemical oxidation method. The chemical oxidation liquid is composed of zirconium salt, trivalent chromium salt, organic acid and a surfactant, the concentration of the trivalent chromium salt is 0.3-3 g / L, the concentration of the zirconium salt is 2-20 g / L, the concentration of the organic acid is 0.1-1 g / L, and the concentration of the surfactant is 0.005-0.1 g / L. The chemical oxidation method comprises the steps of oil removal, deoxidation treatment and chemical oxidation. The chemical oxidation liquid does not contain hexavalent chromium and is beneficial to the health of operators and the environment, and a conversion film subjected to chemical oxidation treatment is excellent in corrosion resistance and is firmly combined with a paint film.

The invention provides a stainless steel welding rod improving vertical welding process performance. The stainless steel welding rod comprises a stainless steel core wire and a coating wrapping the surface of the stainless steel core wire, the coating is prepared from the following raw materials, in parts by weight, 30-40 parts of rutile, 3-8 parts of zircon quartz, 5-10 parts of feldspar, 10-18 parts of marble, 2-6 parts of fluorite, 2-8 parts of dolomite, 1-5 parts of magnesia, 1-5 parts of aluminum oxide, 5-10 parts of electrolytic manganese metal, 5-10 parts of chromium metal, 3-6 parts of ferrotitanium, 2-7 parts of iron powder, 1-2 parts of sodium alginate and 1-2 parts of microcrystalline cellulose. According to the stainless steel welding rod improving the vertical welding process performance, the excellent flat welding process performance of an acid coating stainless steel welding rod is reserved, meanwhile, by designing the coating of the welding rod, the welding rod melting rate is reduced, the slag forming number in unit time is reduced, the slag solidification rate is improved, vertical welding slag is stably solidified and does not flow downwards, and the vertical welding operability of the stainless steel welding rod is improved.

The invention discloses a steel wire rope cross-fixation device used for wire rope net, i.e. a cruciform latch which comprises an upper latching sheet (1), a lower latching sheet (2), and at least two claws (3) equipped at the bottom of the upper latching sheet (1) and / or the lower latching sheet (2). The bottom surfaces of the upper latching sheet (1) and the lower latching sheet (2) are shaped to a depressed arc surface. Crisscross grooves are correspondingly formed on the inner surfaces of the upper and the lower latching sheets. The circumferences of the upper and the lower latching sheets extend along the crisscross grooves out of the claws (3), forming a smooth notch (5) when the upper and the lower latching sheets are closed oppositely. The steel wire rope cross-fixation device solves the problem that the steel wire rope is easy to be damaged in the prior art, and has the advantages of good appearance, reduced material consumption, no need of perforation and low processing cost.

The invention relates to the field of aquaculture, in particular to a portable fish suction device. The portable fish suction device comprises a fish inlet pipeline, a fish suction box, a fish outletpipeline, a vacuumizing device, a movable trolley, a control box and a driving mechanism. The fish suction box is mounted on the movable trolley, the fish suction box is an arc-shaped centrifugal cavity, the fish inlet pipeline is located on the upper side of the fish suction box, the side face of the fish suction box is connected with a fish outlet pipeline, and the fish suction box is communicated with the fish outlet pipeline. The driving mechanism comprises a driving motor and a centrifugal valve element, the driving mechanism is mounted at the lower end of the fish suction box, the centrifugal valve element is located in the fish suction box, and a channel communicated with the fish inlet pipeline and the fish suction box is formed in the centrifugal valve element. According to the portable fish suction device, the driving mechanism and a vacuum pump are combined for use, the fish suction box is optimized, and the problems that power of an existing fish suction device mainly depends on a water pump, and power output is large; the fish suction path is not reasonable, and fish shoals bear mechanical injuries in the fish suction process; the equipment is large in size, and transportation is inconvenient are solved.

The invention discloses a physical no-cloning technology based RFID card type intelligent door lock. The physical no-cloning technology based RFID card type intelligent door lock comprises RFID cards,a door lock and a database, wherein the database is arranged on a background server; while ID which corresponds to the RFID cards is received, data is compared with data in the database through an internet; the database is used for storing ID which corresponds to each RFID card; a door lock inner chip comprises a PUF circuit; the RFID chip comprises an RFID module which is used for generating motivation; after receiving the motivation, the PUF circuit generates a corresponding secret key; and the database provides a matching source and is compared with the secret key generated by the PUF circuit, so that authentication is realized, and therefore, unlocking is performed based on a door lock password authentication mode. The PUF circuit can resist probe attack and physical attack, and is not stored with the secret key information, so that other people cannot read a chip secret key through a probe and the like to steal inner information, and therefore, safety of the door lock is greatlyimproved.

The invention discloses a security detection system and method based on log analysis, and the system comprises a log collection module which is used for collecting log data of a network server; a logsending module which is used for carrying out real-time distribution and distributed offline storage and distribution on the log data; a real-time calculation module which is used for analyzing and calculating the log data distributed in real time according to a preset threat rule and storing a calculation result into a relational database; a threat rule base which is used for storing and managingthreat rules; an offline calculation module which is used for performing calculation processing on the distributed offline storage and distribution log data by utilizing machine learning to obtain anew threat rule, and updating the new threat rule into a threat rule base; and a result display module which is used for reading the calculation result from the relational database and displaying thecalculation result. The system and method have the advantages that the website threats are processed in time, the newly obtained threat rules are updated into the threat rule base, and the protectioncapacity for the network intrusion behaviors is further improved.

The invention relates to the technical field of stretching lubricating oil and preparation thereof, in particular to antibacterial easy-to-clean water-soluble drawing oil and a preparation method thereof. The water-soluble drawing oil is prepared from the following components in parts by weight: 25-50 parts of synthetic oil, 10-15 parts of base oil, 5-10 parts of an emulsifier, 8-10 parts of a reinforcing agent, 7-10 parts of a surfactant, 1.5-3.0 parts of a bacteriostatic agent, 16-20 parts of an extreme pressure anti-wear agent, 6-10 parts of a metal cleaning agent and 4-5 parts of a rapid defoaming agent. The water-soluble drawing oil is prepared by mixing and stirring the components and heating. The problems that in the prior art, water-soluble drawing oil is prone to bacteria generation, large in foam and poor in cleaning effect are solved, and the provided water-soluble drawing oil has the advantages of being good in compression resistance and abrasion resistance, good in antibacterial effect, capable of achieving rapid defoaming and easy to clean.

The invention belongs to the field of vehicles, and particularly discloses an electric vehicle buffer bumper. The electric vehicle buffer bumper comprises a bumper body, installation seats, buffer mechanisms and buffer modules. The two ends of the bumper body are separately connected with a vehicle body through the installation seats. Cavities are formed in the dumper body, the buffer mechanisms are installed in the bumper body in a sliding mode, and the buffer mechanisms are each formed by connecting a group of connecting rods in a cross hinged mode. The buffer modules are separately installed at the two ends of the buffer mechanisms. The buffer modules are used for connecting the vehicle body, and the buffer mechanisms can relieve the tension of the buffer mechanisms towards both ends. The electric vehicle buffer bumper spreads to both ends by sliding the buffer mechanisms inside the bumper body so as to achieve the function of energy dissipation and improve the protection of the vehicle body.

The invention discloses an automatic switching-on controller. The automatic switching-on controller comprises an enclosure, a rectifying circuit, a voltage stabilizing circuit, a delay trigger circuit and a communication module are arranged in the enclosure, wherein the communication module is connected with a background control system and an intelligent universal breaker respectively. A time setting button and an overhaul control switch are arranged on the outer wall of the enclosure. The input end of the rectifying circuit is connected an alternating-current power source, the output end of the rectifying circuit is connected with the input end of the delay trigger switch circuit through the voltage stabilizing circuit, the input end of the delay trigger circuit is further connected with the time setting button and the delay trigger circuit is connected with the communication module. The overhaul control switch is connected with the wire inlet side of the alternating-current power source in series. The automatic switching-on controller has an overhaul protection function and provides a safe working environment for operators on the basis that the automatic switching-on function of the breaker is achieved.