Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

493results about How to "No sticking" patented technology

Sample acquisition machine

InactiveCN101509841AEasy transfer baggingNo stickingWithdrawing sample devicesSoil columnDrill bit
The invention discloses a soil sample collector comprising a handle, a drill rod and a drill bit. One end of the drill rod is connected with the handle and the other end thereof is connected with the drill bit; the drill rod and the drill bit is of a hollow structure; one side of the drill rod is provided with a sample outlet and the pipe wall of the other side of the drill rod is provided with a labor-saving groove; the upper end of the labor-saving groove is provided with a boosting pedal; and the drill bit is conical. The soil sample collector has the advantages and effects that the obtained soil column can separate from the inner wall of the drill rod naturally and is easy for transferring and bagging of soil samples; when the drill rod obtains the soil column, the soil column in the drill rod is easily poured out by only turning over a sample outlet downward; the handle, the drill rod and the boosting pedal are of a detachable-connected structure, thus being convenient to carry and store and having small occupied space; the boosting pedal can lead the hand and foot to apply force simultaneously; the soil sample collector is shorter in whole, smooth and portable, is easy to generate force, has small resistance, high working efficiency, simple technique, convenient material-obtaining and low cost and is convenient for promotion and application.
Owner:广东省农业科学院土壤肥料研究所

Polyester film with adhesion resisting function and preparation method of polyester film

The invention discloses a polyester film with an adhesion resisting function. The polyester film is of a structure comprising a layer A, a layer B and a layer C, wherein the layer A and the layer C are surface layers; the layer B is a core layer; the layer A comprises the components of 65-80 percent of polyester slice for a general film and 20-30 percent of general adhesion resisting agent; the layer B comprises the components of 80-85 percent of master batch polyester slice for a functional film, 3-5 percent of general adhesion resisting master batch and 12-15 percent of high-performance adhesion resisting agent; and the layer C comprises the components of 50-65 percent of polyester slice for the general film and 35-50 percent of general adhesion resisting agent. The high heat resistance and excellent adhesion resistance are achieved by the steps of slicing, mixing, melting co-extrusion, longitudinal drawing, transverse drawing, drawing and trimming, coiling, splitting and forming a finished product. The products prepared by the preparation method disclosed by the invention is environment-friendly and can be directly recycled, so that the pollution to the environment is reduced; and the polyester film can be widely applied to packaging of cakes, seasonings, fast foods and candies and packaging of medical products.
Owner:JIANGSU SHUANGXING COLOR PLASTIC NEW MATERIALS

Method for throwing and fishing out underground restrictor from gas well without utilizing steel wires

The invention relates to a method for throwing and fishing out an underground restrictor from a gas well without utilizing steel wires, which is applied to gas production in the gas well. The method comprises the following steps: before throwing, placing an underground restrictor working barrel into a position of projected depth in the gas well; then installing a throwing and fishing catcher and an underground restrictor core, throwing the underground restrictor core, enabling the underground restrictor core to enter into the underground restrictor working barrel and be automatically locked and finishing throwing the underground restrictor core; and in the process of fishing, installing the throwing and fishing catcher and a fisher and fishing out the underground restrictor core. The lifting force of natural gas flow is utilized to lift the fisher and the underground restrictor core to the ground together. The invention has the effects that the on-site operation of the underground restrictor can be more convenient under the premise of not reducing the use effect of the underground restrictor; and compared with the process of throwing and fishing out the underground restrictor by utilizing a well testing truck, the method of the invention has the advantages of simple throwing and fishing process and simple and convenient on-site operation, not only can accurately and reliably throw the underground restrictor but also save throwing and fishing time and reduce throwing and fishing expenses.
Owner:PETROCHINA CO LTD

Constant tension spring compensating unit

InactiveCN101229782AResponsive and flexibleNo deformationTrolley linesStops deviceVolute spring
The invention relates to a compensation device of a spring with constant tension, which essentially comprises a grooved pulley, a compensation rope, a left end plate, a main shaft, an oil seal, a bearing, a right end plate, a contact plane volute spring, an external cover, a fixed angle iron, an installation bottom plate, a hinge pin and a broken wire stopping device; wherein, the grooved pulley is fixed on the main shaft; the compensation rope is coiled and has an end fixed on the grooved pulley and the other end connected with an external contact net; the main shaft is supported on the left end plate and the right end plates by the oil seal and the bearing; the left end plate and the right end plate, the external cover, the fixed angle iron and the installation bottom plate form an enclosed box base; the hinge pin is connected to one side on the installation bottom plate far from the box base which is internally provided with the contact plane volute spring with an inner end bent hook connected with the main shaft and an outer end bent hook connected with the fixed angle iron on the box base. The compensation device of the spring with constant tension provided by the invention is compact in structure, small in size and light in weight. The invention can cause an electrified railway network to keep certain tension and reduce the loss catenary rate of the pantagraphs.
Owner:帖荣俊 +4

Preparation method of blast furnace sludge pre-reduced pellet

The invention provides a preparation method of a blast furnace sludge pre-reduced pellet. The blast furnace sludge pre-reduced pellet is prepared from the following raw materials in percentage by mass: 10-30% of blast furnace sludge, 3.5-10% of SiC powder, 60-85% of iron ore concentrate and 1.2-1.5% of bentonite. The preparation method comprises the following steps: uniformly mixing 20-30% of the total dosage of the bentonite with the blast furnace sludge and the SiC powder, respectively, and uniformly mixing the iron ore concentrate with 70-80% of the total dosage of the bentonite to prepare a mixture; in a pellet preparation process, firstly, preparing the mixture of the blast furnace sludge, the SiC powder and the bentonite to a pellet core; then, adding the mixture of the iron ore concentrate and the bentonite to continue the pellet preparation process; and wrapping a layer of dolomite accounting for 0.5-1.5% of the total mass of the raw materials on the formed pellet, and preparing the pre-reduced pellet according to a conventional production process. By adopting the preparation method provided by the invention, a large amount of blast furnace waste can be consumed, the roasting temperature of the pellet is reduced, the utilization proportion of non-magnetite concentrate is increased, and the finished product pellet is non-adhesive, good in metallurgical performance and beneficial to improving the blast furnace efficiency and reducing the coke ratio of a blast furnace.
Owner:ANGANG STEEL CO LTD

Whole-body type external-heating muffle type rotary kiln

InactiveCN104630407AContinuously stable temperatureReduced temperature required for reductionRotary drum furnacesRotary kilnLow graded
The invention belongs to the field of metallurgical equipment, and in particular relates to a whole-body type external-heating muffle type rotary kiln. A whole-body type continuous external heating muffle type coal-based rotary kiln device with a preheating section and a high-temperature section is adopted, the continuous stabilization of the temperature in a high-temperature area is realized, and a strict requirement on a reduction condition of reduced iron is met. By adopting a muffle-type heating mode, a reduction atmosphere in the rotary kiln is very full, the volatile gas is totally recycled, and the afterheat is fully utilized, so that the required reduction temperature of reduced materials can be greatly reduced, the reduction speed is greatly increased, the energy consumption is greatly reduced, and the carbon emission is reduced; by using non-caking coals with high granularity and high quality as reducing coals, the device is suitable for various iron raw materials with high grade, low grade and varieties, the reduction process is flexible, and the device has many advantages. According to a single production line of the device, the annual reduction treatment ore quantity can reach the maximum scale of 1,800,000-2,100,000 tons.
Owner:泉州寰锋冶金技术有限责任公司

Electric heating wire cutting knife for paraffin wax

The invention discloses an electric heating wire cutting knife for paraffin wax. The electric heating wire cutting knife comprises a fixing frame, a sliding channel, a cutting arm and a conveying belt, wherein the sliding channel is fixed on the upper end surface of the fixing frame; the sliding channel with inner teeth is formed in the inner wall of the sliding channel; a cutting motor is arranged at the rear end of the cutting arm, and a gear matched with the inner teeth of the sliding channel is arranged at the output end of the cutting motor, namely the cutting arm is in limited connection with the sliding channel in the vertical direction in such a way that the gear at the output shaft end of the cutting motor is engaged with the inner teeth of the sliding channel; a second cutting arm is fixed at the front end of the cutting arm; an electric heating wire is arranged at the bottom end of the second cutting arm; and the conveying belt is positioned at the lower end of the second cutting arm. According to the electric heating wire cutting knife adopting the technical scheme, the paraffin wax to be cut is conveyed to the lower end of the second cutting arm through the conveying belt, the cutting motor is started through a cutting control switch (the electric heating wire is heated at the same time), the cutting motor rotates, the cutting arm is promoted to move up and down with the rotation direction of the cutting motor in such a way that the gear is engaged with the inner teeth of the sliding channel, and the cutting arm is pressed down, so that the paraffin wax is cut by the electric heating wire.
Owner:DALIAN LONSIN NEW MATERIALS

Method for gluing two seams of spatial reflector

The invention provides a method for gluing two seams of a spatial reflector, relates to the technical field of spatial optical remote sensing, and aims at solving the problems of small positioning precision, non-uniform glue layer thickness, reduction of surface figure accuracy of the spatial reflector caused by residual stress after solidifying of a glue layer, and unstable stress distribution in the existing method of gluing the spatial reflector and an embedded part through three jackscrew. The method is that glue coats the lower side of the inner hole wall of the spatial reflector; the upper side of the inner hole wall of the spatial reflector is in match with a large seam of a double-seam adhering tool; meanwhile, the glue coats the outer wall of the embedded part; the inner wall of the embedded part is in match with a small seam of the double-seam adhering tool to finish the adhering of the spatial reflector and the embedded part; the large seam and the small seam of the double-seam adhering tool are processed based on the same reference, so that the coaxiality of the two seams can be ensured, and the uniformity of the glue layer thickness can be greatly improved; the glue layer is uniform in thickness; the residual stress is small after the solidifying of the glue layer; therefore, the surface figure accuracy of the spatial reflector can be fully ensured. The method is simple and reliable to operate.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

3D printing charging tray and exposure stripping technology of 3D printing charging tray

The invention relates to the technical field of 3D printing, in particular to a 3D printing charging tray and an exposure stripping technology of the 3D printing charging tray. The 3D printing charging tray comprises a base, a releasing film, light-transmitting glass and a clamping plate. The base is provided with a first groove and a second groove, the first groove and the second groove penetratethrough the top end face of the base, the light-transmitting glass is arranged in the first groove, the upper surface of the light-transmitting glass is higher than the bottom wall face of the secondgroove, the release film is arranged on the top end face of the base and is pressed between the base and the clamping plate, a first cavity is defined by the release film, the inner wall of the firstgroove and the light-transmitting glass, a second cavity is defined by the release film and the inner wall of the second groove, and the two cavities communicate. During exposure, the cavities are pumped to from negative pressure, the release film can be tightly attached to the glass, bubbles do not exist between the release film and the glass, tensioning of the release film is achieved, the printing precision is improved, when the release film is released, air is inflated to the cavities, the cavities form positive pressure, the release film and the light-transmitting glass are stripped, andthe aim is easily achieved.
Owner:GUANGZHOU HEIGE ZHIZAO INFORMATION TECH CO LTD

Anti-counterfeit printing device and method

The invention discloses an anti-counterfeiting printing device, comprising a printing table, a paper feed roller is connected to the entrance of the printing table, a first pressure roller is arranged at the entrance of the printing table, and a positioning block is arranged on the right side of the first pressure roller , the positioning block is provided with screws, the printing table is provided with screw holes corresponding to the screws, a printing machine is provided above the positioning block, a photoelectric sensor is provided on the right side of the positioning block, and the photoelectric sensor There is a drying chamber on the right side of the drying chamber, a fan is provided on the top of the drying chamber, a partition is provided at the lower end of the fan, a through hole is provided on the partition, and a proofreading room is provided on the right side of the drying chamber. , the interior of the pair of chambers is provided with an ultraviolet lamp and a high-speed camera, the right side of the proofreading room is provided with a punching device, the right side of the punching device is provided with a second pressure roller, and the exit of the printing table is connected with a roll roll. The invention can improve the printing efficiency of bills, and conveniently remove problematic bills.
Owner:合肥汇融文印有限责任公司

Hulling separation method for rapeseeds and special separation device

The invention discloses a hulling separation method for rapeseeds. The hulling separation method comprises the following steps of cleaning rapeseed raw materials to remove sand and vegetation impurities to enable the impurity content to be less than or equal to 2 percent; then performing drying at the drying temperature of 160 DEG C, wherein the water content of the dried rapeseeds is 5-8 percent; cooling the rapeseeds to normal temperature, performing magnetic separation to remove metal impurities, conveying the rapeseeds into a rapeseed huller for shearing, grinding and extruding to obtain hull and kernel mixtures, and then conveying the mixtures into a separation sieve in a special separation device, wherein under the joint action of a vibration sieve and a fan, the upper layer of hulls with small density are removed through the fan, and the lower layer of seeds with large density are discharged through a front port of the special separation device and are collected. The hulling separation method has the advantages that the hulling rate is high, the primary hulling separation rate can be up to 98 percent, and the hulling effect is good; the proportion of naturally split half kernels to integrated kernels is up to about 75 percent; the powder rate is lower than 3 percent; the kernel and hull separation efficiency is high; the phenomenon that the kernels and the hulls are adhered is avoided.
Owner:HENAN YIFENG EDIBLE OILS +1

Combined method for extracting iron and dephosphorizing by reducing, smelting and dressing low-grade high-phosphorus hard-dressing iron (manganese) ore

InactiveCN104651563AContinuously stable temperatureNo stickingRotary drum furnacesSlagApatite
The invention belongs to the technical field of metallurgy and in particular relates to a combined method for extracting iron and dephosphorizing by reducing, smelting and dressing low-grade high-phosphorus hard-dressing iron (manganese) ore. Raw ore is firstly subjected to fine grinding, dressing, iron extracting and dephosphorizing to obtain relatively low-phosphorous rich ore powder, then separation of iron from slag and reduction are carried out on the low-phosphorous rich ore powder, and after reduced metallized pellets are cooled, fine grinding and wet magnetic separation are carried out, so that metal iron powder / manganese-containing metal iron powder with TFe content more than or equal to 90%, etaFe content more than or equal to 92% and P content less than or equal to 0.07% is obtained. The combined method for extracting iron and dephosphorizing by reducing, smelting and dressing the low-grade high-phosphorus hard-dressing iron (manganese) ore has the advantages that low reduction temperature and short reduction time are controlled, increase of P content in the final product is avoided as high temperature above 1250 DEG C and long reaction time are adopted in the traditional method and P element and Fe in phosphorite react to generate phosphide, especially stable Fe3P; and if the raw ore is ferrous manganese ore, a manganese-rich powder byproduct with Mn content more than or equal to 45% can be obtained, additional value of the product is high, and energy conservation, environmental protection and low carbon content are realized.
Owner:泉州寰锋冶金技术有限责任公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products