65results about How to "Collect completely" patented technology

A slit impaction sampling device is for collecting airborne contaminants for subsequent analysis, includes a base with a microscope slide disposed thereon. The microscopic slide has an adhesive media located thereon to assist in adhering airborne particles on the microscopic slide. The base has a top cap secured thereto. The top cap has an inlet opening formed therethrough. The inlet opening has an outer venturi section and an inner laminar section that directs the air flow through the inlet opening into contact with the adhesive media such that the airborne particles form an impaction trace thereon. The air then flows around the microscope slide into an outlet passage and to a vacuum source.

The present invention is process and apparatus for extracting high purity Re from Re-W alloy, and belongs to the field of rare metal extracting technology. The apparatus of the present invention capable of four parts: an O2 metering device, a zonal heating system, a cooling and collecting zone and a tail gas buffering collector. Re-W alloy is oxidized and separated through air lancing reaction in a tubular oxidizing furnace with different temperature zones, and the Re oxide is heated and reduced in H2 atmosphere to obtain high purity Re powder. The apparatus has integral compact structure, the process has short technological flow, automatic control, well oxidation of the alloy, high separation efficiency and effective collection and utilization of the tail gas, and the present invention is suitable for industrial production.

The invention relates to a smashing recycling machine, in particular to a corrugated board smashing recycling machine. The corrugated board smashing recycling machine aims at achieving the technical effects of being capable of carrying out multi-stage smashing treatment, preventing fragments from being splashed out and saving labor. In order to achieve the technical effect, the corrugated board smashing recycling machine comprises a collection box and the like, a crushing mechanism is connected to the middle of the top wall of the collection box, a smashing mechanism is arranged on the inner rear wall of the collection box, and the smashing mechanism is connected with the crushing mechanism. The effects that multi-stage smashing treatment can be achieved, fragments can be prevented from being splashed out, and labor can be saved are achieved, the purpose of carrying out multi-stage smashing treatment on corrugated boards for recycling is achieved by arranging the crushing mechanism andthe smashing mechanism, and a baffle, a fixing rod and a hook are arranged in order to achieve the purpose that after all the corrugated boards are smashed, the smashed corrugated boards can be collected.

The invention discloses a powder electrostatic spraying system, belonging to the technical field of spraying devices. The powder electrostatic spraying system comprises a workbench, wherein the workbench is provided with a spraying room, a multi-pipe cyclone separator and a filter; the spraying room comprises two side plates and a bottom plate; the two side plates are respectively arranged on the two sides of the bottom plate; the bottom plate is fixedly arranged on the workbench; the side plates are provided with spraying guns; pipelines of the spraying guns are connected with powder buckets; the spraying room is provided with a suspension chain; the multi-pipe cyclone separator comprises a suction guide plate, a cyclone separator and a powder collection box; the suction guide plate is connected with the pipeline of the cyclone separator; the powder collection box is arranged on the lower end of the cyclone separator; the filter is arranged on the output end of the multi-pipe cyclone separator. As the multi-pipe cyclone separator and the filter compose a secondary recycling mechanism, powder is collected more completely, and recycling efficiency for ultra-thin dust is higher. The powder electrostatic spraying system avoids pollution, environment is protected, and working condition is improved.

The invention discloses an oil paint recycling device for spraying and a working method thereof, relates to the field of coating, and aims at solving the problem that oil paint has viscosity and is liable to get attached to the wall in the collecting process. The oil paint recycling device is characterized by comprising a paint mist collecting mechanism, wherein the paint mist collecting mechanismcomprises a flow guide pipe, the flow guide pipe is provided with a paint mist entry channel which is used for collecting paint mist, an air guide mechanism which is used for guiding the paint mist,an alkaline liquor overflow mechanism which is used for lowering the viscosity of the paint mist and a paint mist escape channel which is used for discharging the paint mist from top to bottom in sequence, a paint mist collecting box is fixedly connected to the paint mist escape channel, and a reaction kettle used for regenerating the oil paint is connected to the paint mist collecting box. According to the oil paint spraying device, the paint mist is guided into the flow guide pipe through the air guide mechanism, the alkaline liquor overflow mechanism is utilized for lowering the viscosity of the paint mist, the situation that the oil paint is attached to the wall is reduced, the oil paint is conveniently collected into the paint mist collecting box, the discharge volume of VOC is reduced, then the reaction kettle is utilized for treating the collected oil paint so that the oil paint can become recyclable oil paint, and thus energy conservation and emission reduction are achieved.

The invention provides a quick biological sample detection method which is characterized in that a detection sample is treated by a sample treatment liquid so as to form a magnetic bead, detected object and luminous marked micro particle magnetic bead composite; the treated detection sample is dropped on a biological chip; the detection sample flows to the other side along a capillary on the chip; under the action of a positioning magnetic field, the magnetic bead composite is gathered in a capillary detection region; an exciting light element generates exciting light with a certain wavelength to irradiate the detection region on the capillary; luminous marked micro particles on the composite generate emitting light; and a light detection element converts the intensity of the emitting light into a digital signal to form a detection result. Compared with a conventional lateral flow chromatography detection method, the quick biological sample detection method disclosed by the invention has the advantages of high sensitivity, wide detection range, high interference resistance, short reaction time and more suitability for being applied to quick detection on the biological sample.

The invention provides a screening system and a combine harvester. The screening system comprises a vibrating screen, a front sealing structure, a grain separating structure and a driving structure. The vibrating screen is provided with an upper screen area and a lower screen area, a lifting structure is arranged at the tail end of a corrugated plate in the upper screen area to increase the fall between the corrugated plate and a scaly screen, two-section lifting is formed in cooperation with a tail screen at the tail end, clustered crops are fully shaken to be scattered and loosened, and waste caused by the fact that crop straw carries grains to be discharged is avoided. Meanwhile, the front sealing structure is arranged at the front end of the corrugated plate to prevent the grains from being thrown out by the vibrating screen. The grain separating structure is arranged at the position, between a grain collecting area and an impurity collecting area, below the vibrating screen, so that clean grains are effectively separated from impurities such as straw, the grains are collected more completely and cleanly, waste is avoided, and the screening efficiency is improved.

The invention discloses a method for representing the distribution of non-metallic inclusions in a steel ingot. The method for representing the distribution of non-metallic inclusions in the steel ingot comprises the following steps: cutting the steel ingot to be represented, forming a section on the steel ingot to be represented, and obtaining a thin plate sample from the section; taking the thinplate sample as an anode to perform an electrolytic treatment, and collecting an electrolyte; performing ultrasonic cleaning on the thin plate sample after the electrolytic treatment to obtain a cleaning solution, and d combining the cleaning solution with the electrolyte to obtain a mixed solution; filtering the mixed solution to obtain total inclusion particles; performing magnetic separation treatment on the total inclusion particles to obtain non-metallic inclusions; separating the non-metallic inclusions according to the particle size, and counting the number of the non-metallic inclusions of different particle sizes; and obtaining the distribution of the non-metallic inclusions in the steel ingot to be represented through mathematical model fitting according to the number of the non-metallic inclusions. According to the invention, through the method of mathematical fitting, the density size distribution of the whole steel ingot can be derived according to the particle size distribution characteristics of the local sample.

The invention discloses an achievement feedback statistical system for informatization teaching. The invention belongs to the technical field of teaching management, the system comprises an collectionunit, the output end of the collection unit is electrically connected with the input end of an arrangement module; the output end of the arrangement module is electrically connected with the input end of a central processing unit; the output end of the central processing unit is electrically connected with the input end of a wireless module, the output end of the wireless module is electrically connected with the input end of a teacher receiving end and the input end of a displayer, the teacher receiving end is bidirectionally and electrically connected with a database, and the database is bidirectionally and electrically connected with a comparison module. According to the achievement feedback statistics system for informatization teaching, through mutual cooperation of the collection unit, the arrangement module, the central processing unit, the teacher receiving end, the evaluation module, the evaluation collection unit, the comparison module and the feedback module, information can be collected and processed more comprehensively, and improvement and adjustment work of teachers is further facilitated.

The invention discloses a phosphine and sodium trimetaphosphate preparation method, wherein a mixture of a sodium salt of trivalent phosphate and a sodium salt of pentavalent phosphate is heated to a temperature of 300-400 DEG C to be subjected to a disproportionation and condensation reaction under nitrogen protection so as to obtain phosphine and sodium trimetaphosphate, wherein a sodium-phosphorus ratio of the mixture is 0.93-0.99, and a ratio (P<III>/P<V>) of trivalent phosphorus atoms to pentavalent phosphorus atoms of the mixture is 1-1.34. With the method, decomposition and oxidation of an intermediate product phosphine produced from the reaction are avoided, the important chemical industry material phosphine is collected, the condensation reaction for sodium trimetaphosphate production is promoted in the presence of the phosphine, the high purity sodium trimetaphosphate is obtained, long chain high molecule weight substance production is avoided, the sodium trimetaphosphate process is shortened, environmental pollution is reduced, production energy consumption is reduced, production cost is reduced, the whole production process and the final product meet food industry requirements, and comprehensive utilization is achieved.

The invention relates to a block dissolving device, and especially relates to a cement block dissolving device for preparing concrete. The technical problem to be solved in the invention is to providea cement block dissolving device for preparing concrete, capable of intermittently pouring agglomerated cement into the device, dissolving the agglomerated cement, completing block dissolving in a manpower saving manner and preventing an obstruction phenomenon. The cement block dissolving device for preparing concrete, provided to solve the technical problem, comprises a block dissolving frame, first bearing seats, a roller, a crushing teeth, a first rotating rod, a left rack, a top plate, a servo motor, second bearing seats, a second rotating rod and a reel; and the bottom wall of the blockdissolving frame is evenly provided with small holes, the lower part of the left side of the block dissolving frame is connected with the left rack, the lower parts of the left wall and the right wallof the block dissolving frame are connected with the first bearing seats, and the first bearing seats are connected with the first rotating rod. The cement block dissolving device for preparing concrete can intermittently pour the agglomerated cement into the device, dissolve the agglomerated cement, complete block dissolving in a manpower saving manner and prevent the obstruction phenomenon.

The present invention relates to the field of plastic processing equipment, in particular to a novel four-roll grinding device, characterized in that: the upper left grinding roll and the upper right grinding roll are arranged in pairs, the lower left grinding roller and the lower right grinding roller are arranged in pairs, the The upper part of the lower left grinding roller is arranged tangentially to the lower part of the upper left grinding roller, the upper part of the lower right grinding roller is arranged tangentially to the upper right grinding roller, and the hopper is fixed directly above the upper left grinding roller and the upper right grinding roller, The lower end of the left feed chute is fixed above the left material receiving trough and the upper end is fixed with a left scraper, the left scraper is attached to the lower left grinding roller, and the lower end of the right material guide chute is fixed above the right material receiving chute and Its upper end is fixed with a right scraper, and the right scraper is attached to the lower right grinding roller, and the upper end of the middle guide groove is fixed below the left lower grinding roller and the right lower grinding roller and its lower end is fixed above the left receiving chute. The grinding speed of the four-roll mill in the present invention is relatively fast.

The invention relates to a silicon carbide environmentally-friendly smelting process which is characterized by adopting underground smelting, overground smoke purification utilization and control by virtue of an overground computer monitoring system. The invention also relates to a silicon carbide environmentally-friendly smelting device which is characterized by comprising a silicon carbide underground smelting workshop, an underground closed type silicon carbide kiln, an underground closed type silicon carbide kiln top negative hot pressure smoke acquiring louver device, an explosion-proof screen and a camera, a hot smoke acquirer at the bottom of the underground silicon carbide kiln, a movable explosion-proof wall, a movable explosion-proof wall overground smoke purifying and distributing chamber, a carbon dioxide acquirer and a dry ice device, a hydrogen sulphide and sulphur dioxide reaction lime pond, a precipitated water circulating recycling system, a carbon monoxide acquirer and a boiler, a methyl mercaptan and combustible gas acquirer, an overground travelling car and an overground computer monitoring system, an overground water supply system and a hot smoke induced draught system. By adopting the method provided by the invention, components in the hot smoke of silicon carbide are purified and decomposed, and neutralization and utilization are carried out, thus the hot smoke is completely environmentally-friendly.

The invention discloses a multilevel gas-liquid two-phase separation device, which solves the problems in the existing separation device that gas-liquid separation is not thorough and carbon dioxide cannot be collected completely. Three-level separation technology is adopted by the separation device, wherein a first-level separation sieve adopts a nozzle-type structure for sieving, and a second-level separation sieve and a third-level separation sieve both adopt an eccentric funnel-type structure, so that a gas-liquid mixture can be separated as long as possible on an area as large as possible, the gas-liquid mixture is fully separated, a good separation effect is achieved, meanwhile, a three-level collection mode is adopted, gas after each level of separation is collected, and separated gas is completely collected, so that guarantee is provided for carbon dioxide drive physical simulation experiment.

The invention discloses a soybean particle softening device for soybean oil production, and relates to the technical field of soybean processing. According to the invention, the problems as follows are overcome: in the prior art, soybeans are cleaned before being softened, most of water after cleaning is directly poured out, so that great waste is caused; and a steam softening roller for preparingsoybean oil cannot well and uniformly soften soybean particles, so that the softening effect of part of soybean particles is poor, and the soybean particles easily block a discharge port during discharging to influence the working efficiency. A scheme is provided as follows: the soybean particle softening device comprises an upper frame, a lower frame and a softening cylinder, the bottom of the upper frame is connected with the softening cylinder, the bottom of the softening cylinder is connected with the lower frame, a feed hole is formed in the top of the softening cylinder, and a dischargehole is formed in the bottom of the softening cylinder. According to the invention, integrated operation of soybean particle cleaning, softening and collecting is achieved, soybean softening is moreefficient, waste water can be reutilized, soybean softening is more uniform, and meanwhile the problem of blockage during discharging of soybeans can be prevented.

The invention discloses an AGM separator electrolyte collecting device for a storage battery. The AGM separator electrolyte collecting device comprises a box body, a lower pressing plate is arranged in the box body, a plurality of supporting plates are arranged on the lower end surface of the lower pressing plate and are fixedly installed at the bottom of the inner wall of the box body, a placing groove is formed in the upper end surface of the lower pressing plate, a separator is arranged in the placing groove, and collecting components are arranged on the inner sides of the supporting plates. According to the AGM separator electrolyte collecting device for the storage battery, a collecting hopper, a splash-proof plate, a rolling extrusion device and the like are arranged, the effects of automatically collecting electrolyte in the separator, performing full extruding and complete collecting and preventing splashing are achieved, and the problems of insufficient electrolyte extrusion, high labor intensity, time and labor consumption and incapability of reaching the measurement standard due to the fact that the electrolyte in the AGM separator is manually extruded at present and the electrolyte of the AGM separator is extracted in a fist-clenching extrusion mode are solved.