Scrap metal recycling process

The invention discloses a scrap metal recycling process which comprises the steps of: shearing, first feeding, belt type magnetic separation, manual separation, first conveying, second conveying, vibrating, second feeding, fed material conveying, crushing, primary vibrating, primary magnetic separating, secondary magnetic separating, secondary vibrating, eddy separating, washing and separating, pelleting, proportion separating and the like. Finally, pure matters such as copper, aluminum, iron, stainless steel, plastics and the like are respectively obtained to be recycled. The process has the advantages of high automation, convenience for centralized management, capability of complete operation by only 2-3 persons, great reduction of worker labor strength, convenience for dust treatment, reduction of environment pollution, capability of more effectively separating various materials, improvement on product quality, reduction of loss and realization of benefit maximization.

Full-automatic numerical control welding method and equipment

The invention relates to the field of machinery, in particular to a full-automatic numerical control welding method and equipment. The equipment comprises a positioning device, wherein the positioning device comprises an X/Y/Z three-direction mobile device; the equipment comprises welding guns capable of moving along with the positioning device, and further comprises a grabbing device; one end of the grabbing device is provided with a clip, and the other end of the grabbing device is connected with a motor; and the grabbing device can rotate. Two welding guns are provided, and are respectively a carbon dioxide shielded welding gun and an argon arc welding gun. Compared with the prior art, the full-automatic numerical control welding equipment has the following beneficial effects: in the welding process, the stability and the uniformity of welding lines are excellent, and the welding is tight without leaking; after the carbon dioxide gas shielded welding and the argon arc welding are combined ...

Applications of peptides compound in rhizome sparganii

The invention discloses applications of a peptides compound in rhizome sparganii in preparing anticoagulant and/or antithrombosis medicaments. The structural formula of the peptides compound is shown in the formula (I). The peptides compound obtained by separating and purifying rhizome sparganii, and applications thereof are provided for the first time, the compound plays a role in prolonging the prothrombin time (PT), activated partial thromboplastin time (APTT) and thrombin time (TT), has good anticoagulation activity, and provides a powerful basis for developing natural antithrombosis medicaments. The formula (I) is as shown in the specification.

Adsorbent for efficiently removing ciprofloxacin in water and preparation method thereof

The invention discloses a novel adsorbent for efficiently removing ciprofloxacin and a preparation method thereof.The preparation method comprises the following steps that ferric trichloride hexahydrate and 2-aminoterephthalic acid are placed in beakers containing N, N-dimethylformamide respectively, and mixing is conducted after ultrasonic dissolution; then transferring into a reaction kettle liner, heating and synthesizing, washing, centrifuging and drying; adding the product into ultrapure water for ultrasonic dissolution, and adding sodium alginate under mechanical stirring; dropwise adding the mixed solution into a CaCl2 solution for crosslinking, and standing; and cleaning and freeze-drying to obtain the product. According to the invention, the aerogel microsphere with a millimeter size, which is stable in structure, low in price and environment-friendly, is prepared; the adsorbent has a specific adsorption site aiming at ciprofloxacin, and the maximum adsorption capacity of the adsorbent ...

Preparation and use method of adsorbent for removing phosphate

The invention discloses a preparation and use method of an adsorbent for removing phosphate, which comprises the following steps: dissolving sodium alginate and polyacrylamide in ultrapure water, stirring to obtain a uniformly mixed PS solution, adding LDH powder, and mechanically stirring to obtain a uniformly mixed PS/LDH suspension; dropwise adding the suspension into a Zr < 4 + > solution, carrying out a cross-linking reaction to obtain an alginic acid composite material, standing at room temperature, cleaning, and freeze-drying to obtain the adsorbent. The adsorbent is non-toxic, environment-friendly, good in structural stability, relatively high in adsorption capacity and convenient to recycle; the novel adsorbent PS-Zr-LDH prepared through simple mixing and ionic cross-linking reaction has specific adsorption sites corresponding to phosphate, rapid and efficient removal of phosphate can be achieved, and the maximum adsorption capacity of phosphate is 78.6 mg.g <-1 >.

Process for treating and recycling waste motor

The invention discloses a process for treating and recycling a waste motor. The method comprises the following steps of feeding, conveying a fed material, crushing, performing primary vibration, performing primary magnetic separation, performing secondary magnetic separation, performing secondary vibration, performing eddy current separation, washing and separating, pelleting, performing specific gravity separation and finally obtaining pure substances, such as copper, aluminum, iron, stainless steel, plastic and the like. By the method, the substances can be regenerated and recycled, the process has high automation degree and contributes to centralized management, the whole-set operation can be performed by only two to three persons, and the labor intensity of workers is greatly reduced; meanwhile, dust can be treated conveniently, the environmental pollution can be reduced, various substances can be separated more effectively, the product quality is improved, loss is reduced, and the ...

Automatic feed feeding device for large yellow croakers

The invention relates to the technical field of larimichthys crocea feed feeding, and discloses an automatic larimichthys crocea feed feeding device which comprises a ship body, a mixing box is fixedly mounted in the ship body, a rotating shaft is fixedly mounted at the output end of a first motor, and a turning plate is fixedly welded to the outer surface of the rotating shaft; micro motors are fixedly installed on the outer walls of the two discharging pipes, augers are fixedly installed at the output ends of the two micro motors, and discharging plates are fixedly connected to the outer surfaces of the two discharging pipes. According to the automatic feeding device for the large yellow croaker feed, the feed needs to be put, the feed is put into a feed pipe, the feed enters a feed mixing box, a first motor is started to drive a rotating shaft and a turning plate to rotate, the turning plate turns over and mixes the feed, a micro motor is started to drive an auger to rotate, the feed ...

Water circulating cooling device for copper rice machine

The invention discloses a water circulating cooling device for a copper rice machine, which comprises a machine frame, a motor, a spindle, a cutter body, a dynamic blade, a static blade, a feeding hopper, a mesh sieve and the like, wherein the spindle, the cutter body, the dynamic blade and the static blade are arranged in a working chamber; hollow left and right circulating chambers are arranged on the left and right sides of the working chamber; connected and communicated water inlet and outlet pipes are arranged between the left and right circulating chambers, so that the constantly flowing cooling water carries away heat generated during constant rotary cutting of cables in the working chamber of the copper rice machine in time to keep the temperature in the working chamber between 80 and 90 DEG C; and thus, the times of the change of cutters due to heat wear of the cutters are reduced, the service life of the cutter is prolonged, the working efficiency is improved, use cost is reduced ...

Carboxymethyl chitosan adsorbent for adsorbing hexavalent chromium and preparation method thereof

The invention discloses a carboxymethyl chitosan adsorbent for adsorbing hexavalent chromium and a preparation method thereof, a carboxymethyl chitosan aqueous solution is dropwise added into a mixed solution of Fe < 3 + > and La < 3 + >, carboxymethyl chitosan hydrogel microspheres are obtained after an ionic cross-linking reaction, and the carboxymethyl chitosan hydrogel microspheres are subjected to standing, cleaning and freeze drying; putting the obtained material into a polyethyleneimine aqueous solution, fully mixing and standing, and adding a glutaraldehyde aqueous solution while stirring to carry out a cross-linking reaction; and cleaning the obtained product, and freeze-drying to obtain the hexavalent chromium adsorbent for efficiently removing hexavalent chromium. The preparation method is non-toxic and environment-friendly, and is prepared through two-step cross-linking reaction; the adsorbent has high-density adsorption sites for hexavalent chromium, the purpose of rapidly ...

Outer pin-free wire holder packaging structure

Grille intensive breeding system for blue crabs

The invention discloses a grille intensive breeding system for blue crabs. The grille intensive breeding system comprises a reservoir, a breeding dish and a degradation kit, wherein the breeding dish is connected with the reservoir, and the reservoir is a grille reservoir; the breeding dish comprises a plurality of breeding grilles which are arranged at intervals, and the degradation kit and the breeding dish are connected with the reservoir; water flowing out of the breeding dish is degraded by the degradation kit, and the degraded water flows back to the reservoir. According to the breeding system provided by the embodiment of the invention, the breeding dish is arranged into a grille breeding dish comprising a plurality of breeding grilles, the blue crabs are fished out to be put in the breeding dish for separate breeding, and only one blue crab is put in each breeding grille, so that the problem that the yield is lower because the blue crabs kill each other in the traditional pool breeding ...

Preparation and use methods of adsorbent for removing typical antibiotic ciprofloxacin

The invention discloses a preparation method and a use method of an adsorbent for removing typical antibiotic ciprofloxacin. The preparation method comprises the following steps: mixing and stirring nano Fe3O4 and dopamine hydrochloride in a Tris-HCl buffer solution with the pH value of 8.5; washing with ultrapure water, carrying out magnetic separation, and freeze-drying; and adding the freeze-dried powder into a sodium hydroxide aqueous solution, stirring, slowly dropwise adding carbon disulfide, carrying out cold treatment for 2 hours, stirring for 24 hours while heating in a water bath at 40 DEG C, cleaning with ultrapure water, carrying out magnetic separation, and freeze-drying to obtain the product. The method is non-toxic and environment-friendly, the novel adsorbent is obtained through oxidative polymerization and esterification reaction under mild conditions, rapid and efficient adsorption removal of ciprofloxacin is achieved, and the maximum adsorption capacity of ciprofloxacin ...

Alginic acid composite adsorbent for efficiently removing tetracycline as well as preparation and use methods thereof

The invention discloses an alginic acid composite adsorbent for efficiently removing tetracycline and a preparation and use method thereof, and is characterized in that graphene oxide is ultrasonically dispersed in water to form a suspension, then sodium alginate is added, mechanical stirring is performed to obtain a uniformly mixed GO/SA solution, then the solution is added into a Fe < 3 + >/Ca < 2 + > mixed solution, and room temperature standing and cleaning are performed to obtain the alginic acid composite adsorbent. The method is non-toxic and environment-friendly, and is prepared through a simple'one-step 'ionic crosslinking strategy; the adsorbent has specific adsorption sites aiming at tetracycline pollutants and has a transcendental adsorption effect on TC, the TC adsorption capacity reaches up to 2568.72 mg.g <-1 > and is remarkably higher than that of most adsorbents reported in literatures, and the adsorbent has huge practical application potential.

Outer pin-free wire holder packaging structure

The invention relates to an encapsulation structure of a conductor frame without external pins. The encapsulation structure comprises a conductor frame without external pins, a chip and encapsulation material. The conductor frame without external pins consists of a framework and a chip seat. The framework is provided with a plurality of guiding and connecting parts, and a first depression part is arranged in the inner side part of the guiding and connecting parts. The chip seat is provided with a second depression part which is formed around the chip seat. The second depression part of the invention can inhibit problems like pollution and uneven surface caused by overflow of resin when the chip is arranged on the chip seat. Furthermore, the encapsulation structure of the invention requires no use of pad higher plates arranged between the chip and the chip seat, so as to reduce encapsulation steps and manufacturing cost.

Tooth -like single roller shredder

The utility model discloses a tooth -like single roller shredder relates to a renewable resources field crushing equipment who is used for old and useless material to tear the recovery to shreds, and its structure comprises fluted roller, CD -ROM drive motor, blanking net, quiet row of blade holder, stripper and blevile of push etc. And the edge of a knife is torn to shreds to the constitution between fluted roller and the quiet row of blade holder to be movable structure with the stripper design, drive stripper through the hydro -cylinder of addding of unloading below the stripper promptly and be close to or keep away from and tear the edge of a knife to shreds, consequently, the all automatic completions under not shut down of the shredder circumstances of above -mentioned working process, in case appear tearing to shreds the old and useless material of high rigidity that the edge of a knife is difficult to to tear to shreds on the stripper, only need to keep away from through the oil ...

Automatic river crab catching device for artificial breeding

An automatic river crab catching device for artificial breeding relates to the technical field of river crab breeding and catching and is used for solving the problem that an existing river crab catching mode is time-consuming and labor-consuming. Comprising a fishing assembly, a clamping arm, a fishing box and a rack, the fishing assembly comprises an outer cover and a rotating cylinder, the outer cover is fixed to one end of the clamping arm, the rotating cylinder is rotationally installed in the outer cover, a plurality of fishing plates are evenly arranged on the outer wall of the rotating cylinder in the circumferential direction, one end of each fishing plate is fixedly connected with the outer wall of the rotating cylinder, and the other end of each fishing plate is in a comb tooth shape; the two side walls of the fishing plate make contact with the corresponding inner walls of the outer cover, the other end of the clamping arm is connected with the rack through a connecting assembly ...

Method for improving fertilizer absorption

The invention discloses a method for improving fertilizer absorption. The method comprises the following steps of A, providing a fertilizer composition comprising a fertilizer core and a solid concretion, B, keeping the fertilizer composition in a liquid state and applying the liquid fertilizer composition in a soil object zone, C, gradually transforming the liquid fertilizer composition into the solid fertilizer by a temperature difference, and D, controlling the transformed solid fertilizer so that the transformed solid fertilizer is spread in the soil object zone for a certain time. Through control on solid/liquid transformation of the fertilizer, the liquid fertilizer in the soil is gradually transformed into the solid fertilizer so that fertilizer absorption by plants is effectively promoted, liquid fertilizer waste is avoided and a cost is reduced.

Intelligent oxygenation equipment for artificial breeding of river crabs

The invention relates to the technical field of river crab breeding auxiliary equipment, and discloses river crab artificial breeding intelligent oxygenation equipment which comprises a box body, a motor is fixedly installed on the inner surface of the top of the box body, the output end of the motor is fixedly connected with a first bevel gear, and the outer surface of the first bevel gear is movably meshed with two second bevel gears; the outer surface of the second bevel gear on the rear side is fixedly connected with a first rotating shaft, the first rotating shaft movably penetrates through the outer surface of the box body, and the outer surface, away from the box body, of the first rotating shaft is fixedly connected with a propeller. According to the intelligent oxygenation equipment for artificial breeding of the river crabs, a motor drives a first bevel gear to rotate to be matched with a second bevel gear, so that a first rotating shaft drives a propeller to rotate, and the problems ...