76 results about "Scrap" patented technology

The method for preparing active carbon from bamboo raw material includes the following steps: (1). mao bamboo and waste produced by making bamboo wares are used as raw material, through cutting and screening, and screening bamboo scraps or screening bamboo scraps and making them form; (2). low temp. pyrogenic distillation carbonization of bamboo raw material in carbonization furnace, its pyrogenic distrillation carbonization temp. is 200-600 deg.C; (3). in the presence of micro oxygen placing the carbonized bamboo raw material into activating furnace and making activation by using superheatedsteam at high-temp., activating temp. is 400-850 deg.c; and (4) breaking or water washing activated active carbon, drying, sorting and sieving to obtain the invented product. Before carbonization thebamboo raw material can be soaked in mixed solution formed from zinc chloride and hydrogen peroxide or mixed solution formed from phosphoric acid and hydrogen peroxide. Its product not only possessesthe advantages of all the wooden active carbons, but also its methylthionine chloride decolouring power can be raised by 20%.

The invention relates to a casting method of an aluminum alloy wheel rim. The method comprises the following steps: firstly manufacturing an aluminum alloy ring by using a simple gravity casting mold and an aluminum ingot which is the same with material for manufacturing the aluminum alloy wheel rim, respectively pre-heating the aluminum alloy ring and a metal casting mold, putting the pre-heated aluminum alloy ring on the step of the bottom mold of a low-pressure casting mold, then closing the mold, pressing alloy-containing molten aluminum into the cavity, melting the molten aluminum and the aluminum alloy ring into a whole, wherein the aluminum alloy ring is put into previously; cooling, then demolding to obtain a blank, carrying out heat treatment; turning off the aluminum alloy ring and other excessive blanks; and reclaiming the waste materials, and manufacturing into the aluminum alloy wheel rim product. In the method, the aluminum alloy ring is firstly arranged at the original hot spot of the low-pressure casting mold as one part of the bottom die, achieves the effect equivalent to the side wall of the die in the casting process, is finally molten with the product into a whole, and is turned off by machining, thereby fundamentally eliminating the problems of shrinkage cavity, looseness and difficult demolding as a result of the wall unevenness caused by the hot spot of the cast and ensuring the quality of the product. The method is applicable to the aluminum alloy wheel rim production by any casting method.

An automatic external-wall cleaning machine is characterized by comprising a machine frame, a washing unit and a dry-cleaning unit; wherein both the washing unit and the dry-cleaning unit are arranged in the machine frame; acting surfaces of the washing unit and the dry-cleaning unit are located on the same side of the machine frame; the dry-cleaning unit is arranged above the washing unit; the machine frame is of a box body; a sling is connected on the top ends of upright posts of opposite corners of the box body; the other end of the sling is connected on a crane which is arranged on a top floor of a building; the washing unit comprises a cleaning brush, a cleaning-solution spraying device and a clear water spraying device; the dry-cleaning unit comprises a dry-cleaning brush and a water scrap; a control unit is further arranged on the machine frame, is arranged on the uppermost end of the machine frame, and comprises a total power-supply distribution cabinet and a wireless control cabinet; and a guiding roller is arranged on the side of the machine frame opposite to a cleaned surface.

A NiCuSiFe alloy prepared from Ni and Cu contained waste through resmelting contains Ni (25-60 wt%), Cu (25-60), Si (8-15), impurity (less than or equal to 0.2) and Fe (the rest), and can also be used as additive for smelting refractory steel, high-weatherability steel and other alloy steel. Its advantages are low smelting point, high dispersity and deoxidizing effect in molten steel and low cost.

The invention provides an urban garbage purifying utilizing system and a garbage processing method. The urban garbage purifying utilizing system comprises a pre-processing system, a resolving system, a heat processing system and a purifying system. The pre-processing system is used for separating scrap iron, special-shaped objects and stones out, and used for separating waste paper and plastic bags; the heat processing system comprises an incinerator and a heat energy recycle device, and the heat energy recycle device is used for recycling heat energy generated by the incinerator and supplying the heat energy for the resolving system; the resolving system comprises a refining device used for refining garbage and a resolving disinfection device used for resolving and disinfecting garbage; the purifying system comprises a smoke purifying unit used for purifying smoke generated by the heat processing system and the resolving system. According to the urban garbage purifying utilizing system, based on an urban garbage processing method, a mechanical classifying function and a scientific processing method are added, processing cost is lowered, and the internal structure of purifying equipment is simplified, so that the purifying equipment is easy to manufacture and convenient to implement, the equipment failure rate is lowered, occupied land is reduced, and secondary pollution is avoided.

The invention relates to a method for recovering of fluorescent material from faulty glass bodies (1) of discharge lamps by crushing (11) the lamps, separating and recovering the fluorescent components thereof. The method comprises the steps of breaking the faulty glass bodies (1) in a crusher, removing all metallic component parts if present in the glass bodies (1) by means of electromagnetic separation (13), separating a remaining fraction forming a reusable waste from the broken scrap including glass particles and fluorescent material particles by sieving (15), separating the fluorescent material from the surface of the glass particles in a liquid by washing (19), and obtaining a reusable fluorescent material from the liquid suspension by means of at least one sedimentary deposition (21). The method comprises the step of treating of the remaining fraction by heat for removing the binding material from the fluorescent material if it is necessary.

The invention discloses a containment pit strainer overall performance experimental system and method; the system comprises: a containment pit simulation tank having a medium outlet and a medium reflow inlet; a strainer module mounted in the containment pit simulation tank to filter an experimental medium flowing out of the medium outlet; a circulating pump connected to the medium outlet through a pipeline; an experimental branch including a fuel component simulation provided with a fluid inlet at one end and a fluid outlet at the other end, wherein in the fuel component simulation, the fluid inlet is communicated with the fluid outlet, the fluid inlet is connected to the circulating pump through a pipeline, and the fluid outlet is connected to the medium reflow inlet through a pipeline. The containment pit strainer overall performance experimental system and method allow operating environment of a pit under long-term cooling recirculating to be simulated under different scrap quantities, chemical environments and temperatures, the behaviors, such as hydraulic characteristics and scrap blocking characteristics, of the containment pit strainer and reactor core fuel component are acquired, and the system and method are highly universal and comprehensive and are simple to control and perform.

The invention discloses a boron-phosphorus alloy cast iron used for the cylinder body of an air compressor and a manufacturing process thereof. : Fe 94; C 3-4; Si 2-3; Mn 0.5-1.0; P 0.1-0.5; S 0.05-0.1; B 0.03-0.05. The manufacturing process of the present invention is: raw and auxiliary materials-pig iron, scrap steel-electric furnace smelting-tapping inoculation, inoculation with flow-filtering casting-finished cylinder body. The invention is suitable for making cylinder blocks of air compressors.

The invention discloses a reinforcing pipe sleeve and a clamping sleeve for an automobile radiator and an intercooler, and a use method. The radiator comprises an upper water chamber, a radiator upper aluminum main board, a radiator lower aluminum main board, a lower water chamber, reinforcing pipe sleeves (reinforcing clamping sleeves), radiating mesh belts and radiating pipes, the upper ends of the radiating pipes are connected with the radiator upper aluminum main board, the lower ends of the radiating pipes are connected with the radiator lower aluminum main board, the reinforcing pipe sleeves (reinforcing clamping sleeves) are welded at joints of the radiating pipes and the radiator upper aluminum main board, and the radiating mesh belts are arranged among the radiating pipes. Jolting force and shaking force are buffered, the service lives of the radiating pipes are prolonged, so that the service life of the radiator of each automobile is prolonged, the scrap ratio is reduced, the change rate of parts of the whole radiator is reduced, national expenses of the radiators of tens of millions of automobiles are saved, and national metal resources are saved.

The invention discloses a method for recycling silicon powder from crystalline silicon cutting waste. The method for recycling the silicon powder from the crystalline silicon cutting waste comprises the following steps: S1, pretreating the crystalline silicon cutting waste to obtain mixed powder of silicon and silicon carbide; S2, adding a solvent into the mixed powder of silicon and silicon carbide, and blending into mixed solution with the pH value of 6-9; S3, putting the mixed solution into a supergravity grading device to be subjected to separation, thus obtaining silicon-enriched phase solution and silicon carbide-enriched sedimentary phase; and S4, regulating the pH value of the silicon-enriched phase solution to be 1-3, filtering, and drying, thus obtaining the silicon powder. According to the method for recycling the silicon powder from the crystalline silicon cutting waste, by virtue of difference of two particles, namely silicon particles and silicon carbide particles, the relationship between surface electric potential and the pH value is combined, most of silica powder in the mixed solution can be in a suspended state by virtue of the supergravity grading device, and silicon carbide particles with relatively large particle size can be rapidly precipitated at a bottom layer, so that separation of silicon carbide and silicon is realized, and the silicon powder can beconveniently recycled.

The invention discloses a steel plate machining rust removal device capable of collecting waste scraps conveniently. The steel plate machining rust removal device comprises bases, motors, a second baffle, a rotating shaft roller, rubber connecting rods and preformed grooves. A containing box is arranged at the position between the bottoms of the bases, dust inlets are mounted on the two sides of the containing box, and the upper portions of the dust inlets are connected with rubber hoses through fans and plastic air pipes. The preformed grooves are arranged on the upper portions of the left side and the right side a rack, the motors are arranged in the middles of the preformed grooves, a fixed frame is fixedly mounted on the upper portion of each motor, and scale strips are arranged on thetwo sides of each preformed groove. According to the steel plate machining rust removal device capable of collecting the waste scraps conveniently, dust absorption openings capable of absorbing scraps are arranged, in the process of grinding steel plates by grinding discs, the dust absorption openings can collect the scraps generated in the grinding process well, and the phenomenon that the scraps fly around is avoided; and meanwhile, a worker does not need to manually clean away the scraps, and the workloads of the worker are relieved.

The invention discloses a CrMo steel scrap dephosphorization and chrome-preservation smelting process, and belongs to the field of resource recycling and green production. A used raw material is a chip alloy scrap, and is smelted through a medium-frequency induction furnace; Bao/Cao mixed base dephosphorization agent with specific content is added; a low-vacuum dephosphorization and chrome-preservation technological process is adopted, so that the metallurgy energy consumption is reduced, and the emission of CO2 in the steelmaking production is decreased; the content of an element P is 0.01%; the recovery rate of Cr reaches 92%; alloy components satisfy the requirements of the ASTM standards of USA; the recovery rate of such alloy elements as Cr, Ni and Mo in steel scraps is improved; and the production cost of per ton of steel is reduced about 250 yuan.

The invention discloses sewage and sludge separation treatment equipment, belongs to the technical field of sewage and sludge separation treatment, solves the problem of poor separation treatment effect of existing sewage and sludge treatment equipment. The equipment is technically characterized in that the equipment comprises a first treatment box, wherein sewage and sludge enter the first treatment box, a first motor is started, and reciprocating crushing of a crushing toothed plate is achieved, the crushing roller can perform the crushing again, a magnet can adsorb magnetic iron scraps, and a second cam rotates to achieve reciprocating vibration of a first filter screen; a third motor operates to achieve continuous rotation of stirring blades on a U-shaped stirring rod, the mixing effect is better, water is adsorbed and sterilized through a sterilization and odor suppression layer and a purification and disinfection layer, and discharging is convenient; sludge is placed in a second treatment box through material conveying blades on a first material conveying shaft, a fourth motor drives a crushing cutter on a second stirring shaft to crush, blowing fan blades rotate to generate wind which is blown to an electric heating wire for drying, the material conveying blades on a second material conveying shaft rotate to convey materials, and the sludge separation treatment device has the advantage of being good in separation treatment effect.

The invention discloses a self-peelable protective coating for a cogging and forging process of pure titanium or titanium alloy. The self-peelable protective coating comprises the following components in parts by weight: 25-35 parts of glass A, 60-80 parts of glass B, 20-100 parts of a filler, 80-100 parts of a medium and a 40-80 parts of a binder; and a production process sequentially comprises the following steps: (1) burdening and mixing the glass A and the glass B and then melting to form a molten matter; (2) performing water quenching and granulation on the molten matter in the first step to obtain a granulated matter with the particle size of 1-5 meshes; (3) crushing the granulated matter after granulation treatment in the second step to obtain a crushed matter of 150 meshes; (4) adding kaolin and titanium dioxide into the crushed matter and mixing to obtain a mixture; and (5) adding the binder into the mixture and then stirring for 30min to obtain the self-peelable protective coating. The self-peelable protective coating improves the productivity. More importantly, the self-peelable protective coating reduces the pollution caused by titanium scrap and is conductive to recycling.

The invention provides a color steel deburring device. The color plate deburring device comprises support legs. Support feet are fixedly connected to bottoms of the support legs correspondingly. Topsof the support legs are fixedly connected through transverse beams. A servo motor is fixedly installed on the outer wall of one of the support legs. A threaded rod is in transmission connection with one side of the servo motor through a motor shaft. The threaded rod is rotatably connected to a bearing on the other support leg. A threaded bushing is in threaded connection with the threaded rod. Thecolor steel deburring device has the beneficial effects that a fixing frame is arranged; a composite steel plate to be machined is fixed to a working table through the fixing frame and a fastening plate; then the distance between scraping plates and the composite steel plate is adjusted through an electric telescopic rod; the threaded bushing is driven to move left and right through rotation of the threaded rod; the scraping plates are utilized to clean burrs on the steel plate surface; in the cleaning process, air is blown by a fan, scraps on the steel plate surface are blown away, and a cleaning part is played; and practicality of the color steel deburring device is increased greatly.

The invention provides an efficient printed matter cutting machine with waste treatment equipment. The efficient printed matter cutting machine comprises cutting equipment used for cutting printed matter and the waste treatment equipment used for recovering, compressing and packaging waste generated after cutting through the cutting equipment. The waste treatment equipment is provided with a conveying belt device used for conveying the waste and a compressing and packaging device used for compressing, packaging and binding the waste. The cutting equipment is provided with a pushing plate used for pushing the waste and a waste funnel which is located behind the cutting equipment and used for guiding and collecting the waste. The input end of the conveying belt device is arranged below the waste funnel. The waste generated after cutting is pushed by the pushing plate and enters the waste funnel, then the waste is guided by the waste funnel to fall onto the input end of the conveying belt device and then is conveyed to the compressing and packaging device, and the compressing and packaging device is used for compressing, packaging and binding the waste. The waste of the printed matter is treated with a high automation degree, the workshop space occupied by the waste is greatly reduced, production safety is improved, and the production efficiency is improved.

The invention relates to the technical field of FDM printing matter regeneration and recycling, in particular to a recycling and regeneration device for FDM printing waste. The device comprises a crushing device, a melting extrusion device, a pelletizing device and a collection box. The crushing device comprises a hopper, a heating wire net is arranged in the direction perpendicular to falling inthe hopper, a first discharge outlet is formed in the bottom of the hopper and located below the heating wire net, and the first discharge outlet is connected with a feed inlet of the melting extrusion device. When material flow passes through the heating wire net under the effect of gravity, the material part making contact with the wire net is rapidly molten and cut off, falls down from net grids, and falls into the feed inlet o the melting extrusion device through the discharge outlet. By means of the device, waste produced in the printing and fine processing process of FDM printing equipment is recycled, crushed, molten again and pelletized, brand new printing raw materials are obtained, great material waste is avoided, and the cost is reduced.

The invention provides a single-flow-channel secondary combustion oxygen lance capable of improving the scrap ratio of a converter and an application method of the single-flow-channel secondary combustion oxygen lance. The single-flow-channel secondary combustion oxygen lance comprises a lance body and a spraying nozzle, wherein the lance body comprises a three-layered steel pipe structure composed of a middle pipeline, a middle circumferential seam and a peripheral pipeline; oxygen is introduced into the middle pipeline; cooling water is introduced into the middle circumferential seam; returned water flows out from the peripheral pipeline; a main oxygen spraying hole is formed in an end face of the spraying nozzle; a secondary oxygen spraying hole is formed in a side wall of the sprayingnozzle; the flow of the secondary oxygen spraying hole accounts for 15 to 30 percent of the total oxygen supply flow; the flow of the main oxygen spraying hole accounts for 70 to 85 percent of the total oxygen supply flow. According to the single-flow-channel secondary combustion oxygen lance provided by the invention, the design of the main oxygen spraying hole of the oxygen lance is consistent with that of a conventional traditional oxygen lance; the secondary oxygen spraying hole is formed on the basis of an original spraying nozzle, so that oxygen jet flow sprayed out from the secondary oxygen spraying hole and carbon monoxide in the converter are combusted to generate a lot of heat for heating molten steel under the condition that the jet flow of the secondary oxygen spraying hole andjet flow of the main oxygen spraying hole do not have an entrainment phenomenon and a furnace lining of the converter is not corroded, and the scrap ratio of the converter is improved.

The application of the invention belongs to the technical field of processing equipment for punching automation and in particular discloses pipe punching equipment. The pipe punching equipment comprises a punching head, an electromagnet, a support column and a fixing device, wherein the electromagnet is located below the punching head, and the fixing device is located between the punching head and the electromagnet; a through hole is formed in the axial direction of the punching head, and a propping block used for propping punching hole scraps on a pipe is arranged on the inner side wall of the through hole; the fixing device comprises a positioning block, a magnetic powder bag for accommodating magnetic powder, a telescopic rod and a support unit which is matched with the inner diameter of the pipe, the positioning block is fixed on the support column, and the telescopic rod is connected between the positioning block and the support unit; an arc-shaped groove is formed in the support unit, an arc-shaped friction plate which is matched with the arc-shaped groove is arranged on the arc-shaped groove, and a cutter head used for crushing the punching hole scraps is arranged at the bottom of the arc-shaped groove. By adopting the pipe punching equipment to punch the pipe, the deformation of the pipe can be effectively avoided while punching, and burrs are molten generated when the pipe is punched, so that orifices are smoother.

The invention discloses a preparing method of a plate material for a vehicle. The preparing method comprises the following steps of S1, conducting preparation, wherein raw materials are weighed respectively, resin in the raw materials is grinded respectively, then pre-melting is conducted to obtain premixed resin, and then glass fiber and carbon fiber are cut into sections and grinded to obtain mixed fiber; S2, adjusting the rotation speed of a mixing mill, raising temperature of the mixing mill to 320-340 DEG C, then adding a plasticizer, a stabilizer and an antistatic agent, increasing the rotation speed after the materials are uniformly mixed, then adding zinc stearate, calcium stearate, molybdenum disulfide and the mixed fiber in sequence, and then reducing the temperature to obtain a mixed glue material; S3, adding the mixed glue material into an injection molding mold, and conducting pressure maintaining, cooling molding and demolding to obtain the plate material. According to the preparing method of the plate material for the vehicle, the process is simple, the raw materials are easy to mix, few waste is generated, the percent of pass is high, the production efficiency is high, and the prepared plate material is stable in performance, moderate in rigidity, not prone to deformation and fracture, and good in corrosion resistance and wear resistance.