77results about How to "Less cleaning work" patented technology

The invention relates to a method for preparation of a polyolefin microporous membrane by a wet process. According to the method, polyolefin resin, an antioxidant and liquid paraffin are adopted as raw materials for preparation of the microporous membrane through a thermally induced phase separation method. Employment of the preparation method provided in the invention can effectively prevent thermal oxidative degradation and carbonization phenomena in a high temperature processing process of polyolefin resin. The antioxidant and the polyolefin resin are mixed and dispersed more uniformly, and the antioxidant can be removed during liquid paraffin extraction, so that the pure and high performance polyolefin microporous membrane can be obtained.

The present invention relates to a glue liquid circulation system used for a honeycomb glue coating process, the glue fluid circulation system is characterized by including a glue coating tank, a stirring bucket, a solvent bucket, a viscosity sensor, a pneumatic stirring paddle, a pneumatic diaphragm pump, liquid level sensors and a viscosity sensor. The stirring bucket is provided with the pneumatic stirring paddle, a raw glue injection port and the liquid level sensor, a solvent valve is mounted on a pipeline between the stirring bucket and a solvent bucket, the glue coating tank is provided with the liquid level sensor, a glue supplementing pipeline, a circulation pipeline and a residue glue collection pipeline are in connection with the glue coating tank and the stirring bucket, the glue supplementing pipeline is provided with the viscosity sensor and the pneumatic diaphragm pump, and the residue glue collection pipeline is provided with a ball valve. The glue liquid circulation system can implement automatic control of glue liquid viscosity and homogeneity in the honeycomb glue coating process, is high in efficiency, easy to operate, and low in device cost, and can meet the glue strip stability in the glue coating production process.

The invention discloses an extraction vanadium recovery process. Spent vanadium catalysts are subjected to water leaching and reductive acid leaching treatment to obtain VOSO4-containing extracted raw liquid, the raw liquid is subjected to the single-stage extraction, tail liquid concentration, separate reextraction and back extraction vanadium recovery process, vanadium precipitation is carried out with ammonium hydroxide, and roasting is conducted to produce vanadium pentoxide. Saponified P204 is adopted as a main extraction agent, it is ensured that the pH value of the whole system is within the optimal pH value range in the extraction process, the extraction system can maintain a stable pH value, and the single-stage extraction rate of vanadium is greatly improved to above 96.4%; tetravalent vanadium obtained through extraction can be directly subjected to vanadium precipitation without oxidation, a high-purity vanadium product is produced, the technological process is simplified, and atmosphere pollution caused by chlorine generated by chlorate vanadium oxide is avoided; meanwhile, the selectivity characteristic of the saponified P204 is utilized, the influences of iron, phosphorus and arsenic on purity of extracted vanadium are effectively avoided, a part of impurity removal work is reduced, raw material consumption is reduced, enterprise cost is reduced, and economic benefits are remarkable.

The invention discloses an unpowered current-limiting intelligent intercepting well with an overflow grating. The intelligent intercepting well comprises a sewage inlet pipe, the overflow grating, an overflow water outlet pipe, an unpowered current limiter, an intercepting sewage pipe and a partially filled pipe flow meter. The overflow grating is arranged in the well and located in front of a water outlet of the overflow water outlet pipe. The unpowered current limiter is arranged in the well and located in front of a water outlet of the intercepting sewage pipe. The partially filled pipe flow meter is arranged in the overflow water outlet pipe. The intercepting well reduces overflow pollution, the interception ratio is increased, pressure of a downstream sewage pipeline is relieved, the discharge amount of a combined system pipe network can be accurately limited, quantitative control of sewage or early-stage rainwater pollutants is achieved, remote operation can be achieved, maintenance and management work is reduced, and the intercepting well has the advantages that sewage interception is stable, impurity interception is remarkable, monitoring and operation are intelligent, and the intercepting well accords with national situations of China.

The invention discloses recycling equipment for scrapped automobiles. The recycling equipment for the scrapped automobiles comprises a workbench, a plurality of fixing devices arranged on the workbench, a plurality of cutting devices respectively arranged on the fixing devices, a cleaning device arranged on the workbench, and a transmission device used for connecting the cleaning device and the fixing devices; each fixing device comprises a track, a sliding block arranged on the track, a fixing rod arranged on the sliding block, a first fixing block arranged on the sliding block and a second fixing block arranged on the fixing rod; and the sliding blocks can move relative to the tracks, the first fixing blocks can rotate relative to the sliding blocks, the second fixing blocks can rotate relative to the fixing rods, and the first fixing blocks and the second fixing blocks are arranged in a matched mode. According to the recycling equipment for the scrapped automobiles, the stability when scrapped automobile outer tires are fixed is increased, and the adaptability when the outer tires with different sizes and specifications are fixed is improved.

The invention relates to a multi-grade seed cotton heavy impurity clearing and separating device and belongs to the technical field of cotton machining machines. The multi-grade seed cotton heavy impurity clearing and separating device is installed at the back end of a picking platform of a mechanical cotton harvester. A seed cotton flow cluster picked by a cotton picker is conveyed by the picking platform to the multi-grade seed cotton heavy impurity clearing and separating device. The multi-grade seed cotton heavy impurity clearing and separating device is of a long-strip sequentially layered structure as a whole and comprises a first-grade heavy impurity removing mechanism, a second-grade heavy impurity recycling mechanism, a third-grade heavy impurity recycling mechanism and a pipeline enabling the first-grade heavy impurity removing mechanism, the second-grade heavy impurity recycling mechanism and the third-grade heavy impurity recycling mechanism to be connected. According to the multi-grade seed cotton heavy impurity clearing and separating device, multi-grade sequential clearing is adopted during heavy impurity clearing, the impurity clearing rate is high, the seed cotton loss is low, and secondary impurities mixed with the seed cotton in the clearing process are reduced; graded recycling of cotton bolls and branches is achieved, the phenomenon that cotton fiber is dyed in the follow-up cotton boll processing process is reduced, and the work efficiency of an onboard seed cotton pre-processing machine is improved; and a tangential flow guide grid has the functions of clearing a part of cotton leaves, dust and the like. The multi-grade seed cotton heavy impurity clearing and separating device is suitable for seed cotton heavy impurity clearing of the cotton picker, an on-site seed cotton pre-processing machine and the like.

The invention belongs to the technical field of cleaning equipment, and particularly provides a self-cleaning method of a surface cleaning machine, the surface cleaning machine comprises a cleaning roller driven by a driving motor, a dirt suction device driven by a dirt suction motor and a liquid supply device, and the dirt suction device comprises a dirt suction port, a dirt containing barrel and a dirt suction pipeline connecting the dirt containing barrel and the dirt suction port. The self-cleaning method comprises the following steps: step A, a cleaning roller cleaning stage; step B, a dirt suction stage; c, a stage of cleaning the sewage suction pipeline: the sewage suction motor is started, the suction power of the sewage suction motor is P1, P1 is larger than or equal to 0.3 P and smaller than 0.5 P, the sewage suction device sucks the cleaning liquid into the sewage suction pipeline through the sewage suction opening, the cleaning liquid flows up and down in the sewage suction pipeline to continuously wash the inner wall of the sewage suction pipeline and the sewage suction opening, and the inner wall of the sewage suction pipeline and the sewage suction opening are cleaned. According to the self-cleaning method, after the cleaning roller is automatically cleaned, the dirt suction opening and the dirt suction channel are independently cleaned, the cleaning efficiency is high, and the cleaning effect is good.

The invention discloses a metal powder core welding wire for high-strength steel Ar-CO2 gas shielded welding. The metal powder core welding wire for the high-strength steel Ar-CO2 gas shielded welding comprises a steel coating and a powder core, wherein the powder core comprises the following elements in percentage by mass relative to the percentage of total mass of the welding wire: 0.02-0.12% of C, 0.2-0.7% of Si, 1.0-3.0% of Mn, 1.0-3.5%of Ni, 0.001-0.015% of B, 0.1-0.7% of Cr, not greater than 0.05% of Al, 0.3-0.6% of Mo, 0.01-0.4% of Mg, 0.02-0.06% of Zr, 0.5-1.5% of W, and 0.10-1.00% of rare earth element. According to the metal powder core welding wire for the high-strength steel Ar-CO2 gas shielded welding, all components synergistically act, so that the low-temperature impact toughness of weld joint metal is high; the tensile strength and the extension strength of deposited metal are beyond 1000MPa; and high-strength steel can be welded.

The invention relates to a dustproof structure for a blast furnace top charging bucket. The dustproof structure comprises a material accumulation table, wherein a corrugated pipe is arranged on the outer side of the material accumulation table; a pipeline is connected outside the corrugated pipe; compressed air is communicated with the pipeline; the pipeline is provided with a manual valve, an electromagnetic valve and a pressure interlocking switch; the electromagnetic valve and the pressure interlocking switch are connected with a background system; hard sponge is arranged on the inner wallof the corrugated pipe; the hard sponge is divided into at least three blocks along the inner wall and the blocks of the sponge are connected with each other through bolts; a plurality of pieces of soft sponge are arranged on the other side of the hard sponge. The pressure intensity is increased through additionally arranging the dustproof structure and compressed air; dust is prevented from beingaccumulated between the corrugated pipe connected between an upper material tank and a lower material tank and the material tank; the weighing of the lower material tank is prevented from being influenced, and stable and smooth production of the blast furnace is guaranteed. On-site ash removal operation is reduced, energy conservation and environmental protection are achieved, and on-site flyingdust is prevented from polluting the environment.

The invention relates to the technical field of sea cucumber culture, in particular to a full-automatic bait feeding system for a sea cucumber culture pond. The full-automatic bait feeding system forthe sea cucumber culture pond comprises a plurality of material cylinders, wherein a first feeding pipe is arranged on the top surface of each material cylinder, and the pipe opening in the other endof each first feeding pipe is connected with a material grinding machine; each material cylinder is provided with a stirrer; communication pipes are arranged among the material cylinders, and an electromagnetic valve is arranged on each communication pipe; the outer side surface of each material cylinder is provided with a sewage discharge port, each sewage discharge port is connected with a watertreatment system through a sewage discharge pipe, and the other end of each water treatment system is connected with a first culture pond through a wastewater treatment pipeline; and the two sides ofthe inside of the first culture pond are correspondingly provided with a plurality of culture bins, and two-way nozzles are arranged in each culture bin. The full-automatic bait feeding system for the sea cucumber culture pond has the advantages that the labor cost can be reduced, the working efficiency is improved, feeding time and feeding amount are accurately controlled, residual material cleaning operations are reduced and the like.

The invention discloses a mud tank for well drilling. A main body is of a cuboid tank shape and comprises a tank body side plate and a tank body bottom plate, a bottom plate supporting structure is arranged below the tank body bottom plate, the tank body side plate is divided into an upper tank body side plate portion and a lower tank body side plate portion, each short side of the lower tank body side plate portion is a vertical side plate, and each long side of the lower tank body side plate portion is a one-quarter arc plate bent inwards. An upper side plate reinforcing rib plate is fixedly arranged on the periphery of the position, at an upper opening of the tank body, of the tank body side plate, and a middle side plate reinforcing rib plate is fixedly arranged on the periphery of the position, at the joint of the upper tank body side plate portion and the lower tank body side plate portion, of the tank body side plate. The mud tank for well drilling is superior and more reasonable in structure, can meet strength requirements, can also be used for completing mud stirring more uniformly and thoroughly, and reduces the production and use cost.

The invention discloses a flushing device for an anchor connecting steel wire rope of a platform maintenance work ship. The flushing device comprises a water collecting tank drainage mechanism, a dirt removing mechanism and a water spraying flushing pipe. The water collecting tank drainage mechanism comprises an upper water collecting tank and a lower L-shaped drainage pipe. The lower end of the water collecting tank is fixedly connected with the upper end of the L-shaped drainage pipe. The end of the lower end of the L-shaped drainage pipe penetrates out of a cable barrel base to lead to an outboard part. Grooves for the anchor connecting steel wire rope to horizontally pass through are formed in the upper portions of the two opposite side walls of the water collecting tank. The dirt removing mechanism is arranged in the water collecting tank and comprises two sets of flexible scraper combinations. An annular pipe at one end of the water spraying flushing pipe is located between the two flexible scraper combinations. The anchor connecting steel wire rope penetrates the annular pipe, the other end of the water spraying flushing pipe is fixed to the box wall of the water collecting tank and penetrates the water collecting tank to be connected with a water inlet pipe. The flushing device is small in size, simple in structure and convenient to use and maintain. The service life of a winch roller and the anchor connecting steel wire rope is prolonged, and the work efficiency is improved.

The invention relates to a drain device (5) for discharging waste water, having an upper edge surface (65) forming an outer perimeter of the drain device (5), a support surface (40) for supporting a cover member such that essentially, the walkable surface thereof extends flush with the upper edge surface (65), and having a bottom (10) for catching, and for conveying waste water to an opening (82) of an outflow connecting pipe (80). The upper edge surface (65), the support surface (40), and the bottom (10) are connected to one another by way of connection walls (25, 50) extending essentially vertically when in use. At least one part of the support surface (40) is formed in a sloping manner in the direction of the bottom (10) such that during use, waste water, which reaches the support surface (40), flows in the direction of the bottom (10).

The invention discloses a recording file processing method, which is used for solving the problems that the cleaning operation efficiency of the recording file is low and the arrangement is not standardized easily. The method provided by the invention comprises the following steps: obtaining an uploaded recording file and an original text corresponding to the recording file; invoking a speech recognition interface to perform speech recognition on the recorded file to obtain recognized text; judging whether the recognized text is consistent with the original text; if consistent, the recording file is stored in a preset model training set; if not, the recording file is recorded to the directory to be cleaned, and the recording file recorded in the directory to be cleaned is listened by the processing personnel and fed back to the correct recording text; obtaining the cleaned recording file and the corresponding recording text in the directory to be cleaned; the cleaned recording file andthe corresponding recording text being stored in the model training set. The invention also provides a recording file processing device, a computer device and a storage medium.

The invention discloses multifunctional tableware which comprises a handle. The tableware is characterized in that a shell is arranged at one end of the handle, a first sharp fork is arranged in the middle of the outer end of the shell, a first baffle is arranged at the end, close to the shell, of the first shark fork, second baffles are symmetrically arranged on the two sides of the inner wall ofthe shell, the first baffle and the second baffles are staggered in position, a second sharp fork is movably arranged between the first baffle and the second baffles, a transformation driving mechanism capable of connecting the second sharp fork with the first sharp fork and separating the second sharp fork from the second sharp fork is arranged in the handle. By arranging the transformation driving mechanism, the tableware can be transformed rapidly between a fork and a spoon, the cleaning work is quite conveniently and effectively reduced during a meal, and the tableware is simple in structure and convenient to use.

The invention provides with a plastic particle storing tank with a distribution device. The plastic particle storing tank comprises a tank body, a washing mechanism arranged on the tank body and the distribution device connected with the tank body. The tank body is provided with a feeding port and a discharging port, the distribution device is connected with the discharging port and comprises a distribution main pipe communicating with the discharging port and a plurality of distribution branched pipes communicating with the distribution main pipe, and the multiple distribution branched pipes are provided with material valves with ventilating flow passes correspondingly. The plastic particle storing tank with the distribution device has the beneficial effects that the Venturi effect is generated at the connecting positions of the materials valves and the distribution branched pipes, residual plastic particles in the distribution main pipe are sucked away through the distribution branched pipes, and waste of the residual plastic particles in the distribution main pipe is avoided; meanwhile washing work of the distribution main pipe is omitted, the very convenient effect is achieved in use, the time and labor are saved, and the use cost of the plastic particle storing tank is greatly reduced; and meanwhile the material valves are simple in structure, few in number of component, convenient to assemble and low in production cost.

The invention provides an automatic liquid supply brush. The brush comprises bristles, an iron sheet ferrule, liquid outflow tube holes, liquid outflow tubes, a liquid distributing tube, liquid inflow holes, a brush head, clamping bolts and nuts, an end plug, a handle, a liquid supply hole, a flow switch, a pressure tank, a coating tank, fixed seats, movable seats, compression bolts, a tank cover, an O-shaped ring, a coating liquid, a stirring shaft, a pressure regulating valve, an air inflow tube, a stirrer assembly, a liquid outflow tube, a deflation valve, a safety valve, a filtering screen, an impeller, a fastening screw, a compression sleeve, seal rings, a mounting sleeve, bearings, a locating sleeve, inner clamping springs, outer clamping springs, a working hole, fixing bolts, a transition shaft, a flange and a speed reducer. The brush has the beneficial effects as follows: 1. the brush can supply a liquid continuously, the work efficiency is high, and coating liquid waste and pollution are reduced; 2. an independent brush head is arranged and can be replaced at any time, and the cost is reduced; 3. air pressure is used as a power source, and a plurality of brushes can operate simultaneously; 4. as long as a pressure cylinder is provided, the brush can operate normally in construction sites and remote villages without electricity.

The invention discloses a wet mixing pelletizer internally provided with a granulator, which comprises a wet pelletizer rack and the granulator, wherein a granulator transmission rack is fixedly arranged on the inner side of the wet pelletizer rack; a transmission part and a bearing pedestal are arranged on the inner side of the granulator transmission rack; a transmission shaft is arranged on the inner side of the bearing pedestal; a support arm base is arranged on the outer side of a granulator rack; a granulator head and a granulator swinging arm component are arranged on the outer side of the granulator transmission rack; the granulator swinging arm component is articulated with the support arm base; the granulator head is articulated with the granulator swinging arm component; a connecting through hole is formed in the middle of the granulator transmission rack; and the granulator head is fixedly connected with the granulator by a transmission piece at the connecting through hole.