11results about How to "Solve intractable" patented technology

The application relates to the technical field of machine tool equipment, and discloses a metal forming machine tool equipment with an automatic lubricating function, which comprises a rack, a control panel, a lubricating processing mechanism and a collection filtering mechanism; the filtering mechanism is installed in the rack, the collected lubricating oil is filtered through the filter screen in the movable table, the used lubricating oil is collected and filtered; and a clamping fixing mechanism is arranged; the collection filtering mechanism is arranged, the splashed lubricating oil can be blocked through the blocking piece, the lubricating oil is left in the bottom of the movable table or in the placing groove, the metal wire scraps generated in the processing in the placing groove are taken away in the flowing process of the lubricating oil, the metal wire scraps and the lubricating oil flow into the filtering groove through the first liquid leakage hole or the second liquid leakage hole, the metal wire scraps generated in the processing process can fall into the screen mesh and be collected, the lubricating oil is prevented from splashing around and being difficult to handle, and the lubricating oil can be reused.

The present application belongs to the field of environmental functional materials and water treatment technology, and aims to provide a preparation method of ceramic membrane based on endogenous pore forming and catalysis of sludge containing algae. The method comprises the following steps: taking dewatered sludge of water supply plant in algae outbreak period of water source, drying, ball milling and sieving to obtain sludge powder; soaking and washing after using organic acid with complexing ability as heavy metal removal agent, pre-carbonization treatment, dry pressing into embryo, sintering into membrane sheet; primary activation treatment in weak oxidizing strong acid, washing and heating treatment for secondary activation to obtain ultrafiltration ceramic membrane product. The method is simple in operation steps, easy to implement and green and environmental protection; the prepared ceramic membrane has good separation performance and high mechanical strength, can catalyze oxidizing agent commonly used in water treatment while filtering, and free radicals are generated by decomposition to degrade organic matter; or catalyze common cleaning agent sodium hypochlorite during membrane cleaning to generate free radicals to strengthen the cleaning effect.

This invention discloses an alloy catalyst, comprising a support and a copper-ruthenium alloy supported on the support, wherein the copper-ruthenium alloy is: Cu 0.7 Ru 0.3 The alloy catalyst prepared by this invention can be used to prepare cyclopentanone. The catalyst has high activity, good stability, and low price. The reactants used in the reaction are renewable, widely distributed, and inexpensive. The preparation of cyclopentanone using the catalyst of this invention does not require the introduction of acid or alkali, which solves the problem of difficult acid treatment in the prior art. Furthermore, it is not corrosive to the reaction equipment, which is conducive to large-scale production.

The utility model relates to the technical field of crushers, and discloses an ethylene-propylene-diene monomer rubber crusher which comprises a crushing bin, two transmission rotating rods are rotatably arranged in the crushing bin, a plurality of crushing blades are uniformly arranged on the transmission rotating rods, the end parts of the transmission rotating rods are rotatably connected with the inner wall of the crushing bin, and the end parts of the transmission rotating rods are rotatably connected with the inner wall of the crushing bin. A water mist nozzle is arranged in the crushing bin, a cutter cooling assembly is arranged in the crushing bin, and a rubber collecting assembly is arranged at the bottom of the crushing bin. The cutter cooling assembly is arranged on the crushing bin, the rubber collecting assembly is arranged at the bottom of the crushing bin, and a material guide plate in the cutter cooling assembly provides protection for the water mist nozzle; and the water conveying pipe passes through an external high-pressure water source and can be conveyed into the water mist spray head through the communicating pipe, so that the situation that part of rubber is adhered to the crushing blades due to overheating of the crushing blades, and the subsequent continuous crushing operation is affected is prevented.

The application discloses a method for preparing magnesium fluoride from household garbage incineration fly ash. The household garbage fly ash is subjected to acid washing / water washing to obtain aqueous fly ash slurry. The slurry is subjected to solid-liquid separation to obtain calcium and magnesium-containing crude salt water. The solid is subjected to a subsequent process. The calcium and magnesium-containing crude salt water is subjected to a heavy component removal process, and is subjected to static sedimentation. The clear liquid is subjected to a denitrification process, an oxidation process and a neutralization process, and is subjected to solid-liquid separation to obtain calcium and magnesium-containing refined salt water. The calcium and magnesium-containing refined salt water is subjected to a calcium removal process, and is subjected to solid-liquid separation to obtain refined magnesium water. The refined magnesium-containing refined salt water is subjected to a magnesium removal process by adding alkali to obtain magnesium hydroxide. The magnesium hydroxide is configured into slurry with a certain concentration, is slowly added into pretreated waste hydrofluoric acid solution, is fully stirred, is subjected to solid-liquid separation, and is subjected to three-stage countercurrent oxidation washing and then thermal desorption to obtain magnesium fluoride products.

The application provides a system treatment process for fluorine-containing wastewater, which comprises the following steps: a fluorine-containing wastewater treatment process, a sludge treatment process, a defluorination filter material regeneration process and a sludge waste liquid treatment process. The system treatment process for fluorine-containing wastewater has the advantages of low sludge yield, low flocculant consumption, low treatment cost, high adsorption capacity, greatly prolonged adsorption time of the adsorbent, reduced regeneration frequency, no discharge of regeneration liquid, and effectively solved problem of difficult treatment of by-products of traditional treatment processes.

The utility model relates to the technical field of sealing, and discloses a high-pressure combined sealing ring which comprises a pipeline, a buffering mechanism is arranged on the outer wall of the pipeline, a replaceable lip mechanism is arranged on the outer wall of the buffering mechanism, and the replaceable lip mechanism is used for independently replacing a lip piece when abrasion occurs. An energy storage slow-release mechanism is arranged on the outer wall of the replaceable lip mechanism, a partial pressure slow-release mechanism is arranged on the outer wall of the energy storage slow-release mechanism and used for relieving the problem of lip piece load concentration so as to facilitate partial pressure, and an auxiliary lip is arranged on the outer side of the partial pressure slow-release mechanism. The multiple piston cylinders stretch out and draw back under the action of pressure to achieve pressure division, the piston rods transmit pressure changes, the spring buffers the pressure, the problems that a sealing ring cannot maintain balanced sealing in the pressure changes and lacks a pressure slow release mechanism are solved, abrasion of a main lip opening is relieved, the leakage risk is reduced, and the sealing requirement under the high-pressure complex working condition is met.

The invention discloses an AOI detection method based on semiconductor chip consistency defects, and the method comprises the following steps: 1, image training: obtaining N qualified chip pictures as training samples, carrying out the training of the image features, carrying out the statistics of the image features, and finally obtaining a mean image and a variance image for comparison, the step 1 comprises the following steps of: 1.1, carrying out image affine and alignment; step 1.2, image enhancement and blurring, and gray scale adjustment; 1.3, calculating a mean value variance; step 2, defect detection: comparing a chip image needing to be detected with a mean image and a variance image used for comparison, detecting an abnormal point diagram of the chip image needing to be detected and the mean image and the variance image, and if the abnormal point diagram exceeds a set threshold value, judging that the chip image needing to be detected is unqualified, and the step 2 comprises the following steps: step 2.1, performing image affine and alignment; 2.2, image enhancement and blurring, and gray scale adjustment are carried out; and step 2.3, defect connection and treatment.

The application relates to a kind of shield foam wall post-grouting material using siltstone slag and a preparation method, and belongs to the technical field of shield tunnel construction.The shield foam wall post-grouting material using siltstone slag comprises slurry and water glass, and the slurry comprises cement 5-10% by mass fraction, fly ash 13-18%, sodium dihydrogen phosphate 0.1-0.6%, bentonite 4-8%, bubble liquid 0.5-2%, pretreated siltstone 34-39%, xanthan gum 1-5%, and the rest is water, and the volume ratio of the slurry to water glass is 1:0.1-0.14.The application replaces river sand with siltstone, solves the problem of difficult disposal of waste slag, is an economic and environmentally-friendly method for recycling waste soil, and has good environmental benefits.

The invention belongs to the field of specialized robots in the nuclear industry, and relates to a remotely-driven long-distance high-radioactivity micro pipeline blockage dredging robot which comprises a pushing and pulling device, a conveying mechanism and a dredging device. The tail end of the carrying mechanism is connected with an execution tail end tool, and the head end of the carrying mechanism sequentially penetrates through the dirt removing device and the push-pull device and then is connected with the storage device; the tail end of the decontamination device is detachably clamped at a pipe opening of the pipeline, and the decontamination device is used for decontaminating and collecting waste on the surface of the carrying mechanism when the carrying mechanism is pulled out; the storage device is used for storing the carrying mechanism pulled out of the pipeline; the driving equipment is used for providing power for the push-pull device, the decontamination device and the storage device; and the remote control system is electrically connected with each electric component through a cable and is used for remotely controlling each electric component. According to the invention, the long-distance dredging of the spent fuel post-treatment micro pipeline blockages is realized, and the safety and the production efficiency of spent fuel post-treatment are ensured.

The application discloses a pile foundation abandoned steel reinforcement cage taking-out device and a construction method, and relates to the technical field of building construction equipment. The pile foundation abandoned steel reinforcement cage taking-out device comprises a salvager, and the salvager comprises a connecting cylinder, a plug-in column and clamping claws. The connecting cylinder is fixedly installed at one end of the plug-in column, the end of the plug-in column away from the connecting cylinder is provided with a plug-in tip, and the clamping claws are provided with two and are respectively installed at the left and right sides of the plug-in tip. The two clamping claws are located at the same height. The connecting cylinder is provided with an installation inner cavity, and the sidewall of the connecting cylinder is provided with a connecting lock column. The application has the advantages of simple structure, reliable function, convenient insertion of the salvager into the steel reinforcement cage and clamping connection with the steel reinforcement cage, thereby being used for the taking-out operation of the steel reinforcement cage, and solving the problem that the steel reinforcement cage in the pile hole is difficult to handle when the installation is not in conformity with the regulations. The tip of the clamping claw can be outwardly opened, so that the salvager and the steel reinforcement cage can be conveniently and stably clamped, the problem that the steel reinforcement cage is dropped due to loose clamping and thus repeated operation is required is avoided, the working hours are reduced, and the efficiency is improved.