35results about How to "No need to break" patented technology

The invention relates to a carbon/carbon composite microsphere material, a production method and a lithium ion battery. The carbon/carbon composite microsphere material is prepared through the following steps of: grinding petroleum coke, needle coke or other soft carbon materials into particles which are less than 2 microns in granularity, and mixing the particles with a binding agent, carbon black and a solvent by a certain proportion to obtain a slurry; carrying out spray-balling and drying to obtain an initial composite microsphere, and implementing heat treatment in the atmosphere of an inert gas to obtain the carbon/carbon composite microsphere material. The carbon/carbon composite microsphere material disclosed by the invention has a good sphericity degree and a proper microporous channel, the microsphere material, serving as a negative electrode material of a lithium ion battery, is well compatible with an electrolyte solution, and simultaneously, the microsphere material has a relatively high specific capacity and an excellent circulating performance. The preparation process is environmental-friendly, simple in process, low in cost and easy for industrial promotion.

The invention relates to a high intensity microporous mullite refractory aggregate and a preparation method thereof. The technical solution thereof is: first using 50-70wt% of kaolin fine powder and 30-50wt% of active alpha-Al2O3 micropowder as raw materials, and additionally adding raw materials of 2-5wt% of dextrin, 1-5wt% of metal aluminum powder and 1-3wt% of carbon black for mixing evenly to obtain a mixture; evenly mixing the raw materials of 3-10wt% of alumina sol, 1-3wt% of silica sol, 0.5-1.0wt% of spodumene and 2-8wt% of water to prepare slurry; placing the mixture in a disk for pelleting, and spraying the slurry while pelleting to prepare particles with a particle size of 1-10mm; and naturally drying the particles, then drying same under the condition of 100-110 DEG C, then rising the temperature to 1200-1600 DEG C, maintaining the temperature for 2-4h, naturally cooling, and screening to prepare the high intensity microporous mullite refractory aggregate. The invention has characteristics of simple process and low preparation power consumption, and the prepared product has great compression strength, high using temperature, low volume density, and small heat conductivity coefficient.

The invention relates to a construction robot for environment-friendly wall decorations, which comprises an adjusting device, a telescopic device, a connecting plate, a cutting device, a dual-purposedevice and a shearing device, wherein the telescopic device is installed on the front side of the upper end of the adjusting device, and the shearing device is installed at the lower end of the telescopic device, the connecting plate is installed at the front end of the telescopic device, the shearing device is installed at the upper end of the connecting plate, and the dual-purpose device is installed at the lower end of the connecting plate. The invention can solve the existing problems: in case of seaming anti-mold wallpapers, personnel are required to push the excess paper material betweenthe two wallpapers into a convex shape by means of a ruler, and then cut the paper material with a cutter, and a plurality of people are needed to cooperate; in case of cutting, a manual cutting is not flush, and the cutting is not complete, and the wallpapers may be pulled and damaged or stretched due to personnel not pressing the wallpapers stable; and in case of cutting the redundant wallpaperat the skirting line, as the skirting line is too low, the personnel will have difficulties to cut even the personnel bend down, thereby resulting in a long time consumption, a large labor intensityand a low efficiency etc.

Provides an application of WSS construction method in the reinforcement of shield tunneling in water-rich sand layer. The grouting process of WSS construction method adopts tunnel drilling rig to carry out deep hole grouting reinforcement. The slurry is used to drain the soil to improve the impermeability of the soil; when the whole solidification is completed by the solution-type slurry backward grouting composed of liquid A and liquid B, the suspension composed of liquid A and liquid C is used again. The forward grouting of the type slurry is used to consolidate the soil, change the physical properties of the original soil and improve the compressive strength of the soil, and finally make the weak soil layer (mainly sandy, gravel-cohesive soil and sand layer) impermeable. Soil with high resistance, high compressive strength and high stability is convenient for opening inspection and tool replacement.

The invention relates to a preparation method of MgO-CaO-ZrO2 sand. The preparation method comprises the following steps: carrying out heat treatment on dolomite ore and magnesite ore, hydrating, sieving with a 0.2 mm sieve, drying a filter body obtained by sieving, and grinding to 200 meshes or below to obtain MgO-CaO2 powder; placing MgO-CaO powder and Zr(OH)4 sol in a mixer to be evenly mixed,conducting ball pressing after mixing, and drying till the moisture is smaller than 1%; and finally, placing the mixture in a kiln to be calcined, and obtaining the MgO-CaO-ZrO2 sand. The MgO-CaO-ZrO2sand prepared by the preparation method disclosed by the invention is good in hydration resistance, high in refractoriness, high in thermal stability and strong in alkaline slag corrosion resistance,has a purification effect on molten steel, and is an ideal raw material for preparing high-grade materials such as magnesium-calcium refractory materials and ceramics.

The invention provides a method for preparing cupric oxide powder by oxidizing crude copper powder, which relates to a method for preparing the cupric oxide powder that is used in powder metallurgy and is applicable to the method for producing the cupric oxide powder by taking the crude copper powder generated by electrolytic copper powder as raw material. The method is characterized in that ammonium nitrate is added into the crude copper powder, evenly mixed and then calcined to obtain the cupric oxide powder. By the method of the invention, the crude copper powder is not agglomerated during calcinations, the content of cupric oxide in the cupric oxide powder is more than 99 percent, the crude copper powder is quite porous after calcinations and needs not to be smashed, which can be packaged after being screened. The method of the invention is easy to operate and has obvious oxidation effect.

The invention discloses an embedded type vehicle type recognition system based on a virtual coil. The embedded type vehicle type recognition system comprises an external program and data memorizer, an external high-speed dynamic memorizer SDRAM, an image collecting device, an image AD sampling module, a power source control module, a dual-core DSP digital signal processor chip, a virtual coil distinguishing unit and a vehicle type recognition unit. The image AD sampling module is used for acquiring the video image date provided by the image collecting device. The dual-core DSP digital signal processor chip is used for calling the virtual coil distinguishing unit to carry out virtual coil distinguishing on the collected video image to select the keyframe image emerging when a vehicle appears. The dual-core DSP digital signal processor chip is used for calling the vehicle type recognition unit to carry out vehicle type recognition calculation on the keyframe image. The embedded type vehicle type recognition system can extract characteristic values about the vehicle from the video image information and carry out structuring description with the cooperation with the virtual coil, the type of the vehicle in the video image can be recognized, and a video monitoring system can be applied and managed intelligently and conveniently.

The invention relates to the technical field of vehicle washing device construction, in particular to an automatic desilting finished vehicle washing pool and a construction method thereof. The finished product car washing pool comprises a car washing pool body and a settling tank, the settling tank is connected with the car washing pool body through a pipeline, a sludge tank is arranged in the middle of a bottom plate of the car washing pool body, the two ends of the sludge tank are connected with the settling tank through pipelines, and a dredging pump is installed on the pipeline, communicated with the settling tank, of the tail end of the sludge tank. The device can be repeatedly used, reduces the problem of material waste, can be immediately put into use after installation, has no complicated process, can greatly shorten the construction period, uses high-pressure water to clean wheels, has a cleaning effect more remarkable than that of a traditional car washing pool cleaning mode, realizes full-automatic flushing and desilting, can be unattended, reduces the manual maintenance cost, and is suitable for large-scale popularization and application. And after being used, the building block can be directly transferred to other places for use without being broken, and less building waste is generated.

The invention discloses a device and method for simulating influences of underground water on coalbed methane. The device comprises a sample bin and a high pressure gas bottle. The sample bin is mainly composed of a pressure tank. The whole pressure tank is in a cylindrical shape and formed by separably combining two semicylinders. The pressure tank is provided with a pressure meter and a gas-water separator. The pressure tank and the high pressure gas bottle are communicated. The device and method are simple, effective, applicable to large-size coal samples without breaking and capable of adapting to inspecting influences of different pressure, water qualities, coal qualities and coal-water ratios on coalbed methane storage.

The invention relates to the technical field of preparation methods of stannous chloride crystals, and provides a method for preparing stannous chloride crystals by utilizing PCB tin stripping waste liquid, which comprises the following steps: washing tin hydroxide solids recovered from the PCB tin stripping waste liquid, dissolving tin hydroxide into a tin tetrachloride solution by using hydrochloric acid, reducing the stannous chloride solution the stannous chloride solution through a diaphragm electrolysis method, further purifying and concentrating the stannous chloride solution under reduced pressure, performing cooling to obtain clean and white stannous chloride crystals, and stannous chloride prepared through the method is free of caking, good in liquidity and free of crushing and screening. According to the method, the stannic chloride solution is reduced into the stannous chloride solution through diaphragm electrolysis, a traditional process for reducing the stannous chloridesolution mainly through a metallic tin ingot is replaced, expensive metallic tin is saved, and the production efficiency is greatly improved.

The invention discloses a method for flotation of cobalt in fly ash. The method comprises the steps that the fly ash and water are mixed uniformly according to the ratio of one to three, water glass and sodium humate are added, stirred and steeped in the mixture, then a collecting agent is added into the mixture, roughing is carried out, the mixture is transferred into a flotation column, a foaming agent is added into the mixture, compressed air is guided into the mixture to carry out floating and scavenging, concentration of ten times is carried out after the fly ash rich in cobalt is processed through roughing of two times, floating of four times and scavenging of two times and then combined, and then the mixture is dried to obtain good fly ash products rich in cobalt. The method has the advantages that the process is simple, the energy consumption is low, the flotation cost is low, the recovery rate is high, the pollution to the environment from exhausted dust, sewage and the like is small, and the generated solid waste can be recycled.

The invention relates to a cast-in-place pile. The cast-in-place pile comprises a base pile body, a bearing table and multiple connectors or multiple connectors and multiple fixing parts; the bearingtable is connected with the base pile body, the bearing table is also connected with the base pile body through the connectors or the connectors and the fixing plates, so that the connection strengthof the base pile body and the bearing table is guaranteed, in this way, detachment of a pile head is not needed, the step of detaching the pile head is omitted, the method is simple and easy to implement, the whole construction speed is effectively increased, and the construction efficiency is improved. The invention further relates to a formation method of the cast-in-place pile.