31results about How to "Neat and tidy" patented technology

The invention discloses a system and a method for converting steel slag into renewable resources. The system comprises a steel slag powdering system, a steel slag separating system and a tail slag deep processing system, wherein the steel slag powdering system comprises desulphurization slag equipment, converter slag equipment, casting residue equipment and granulation self-extracting equipment which is communicated with the desulphurization slag equipment, the converter slag equipment and the casting residue equipment respectively; the steel slag separating system is connected with the granulation self-extracting equipment and comprises overturn vibration equipment, a magnetic separator, a crushing machine, a rod mill, screening/magnetic separation equipment and material storage equipment, wherein the overturn vibration equipment, the magnetic separator, the crushing machine, the rod mill, and the screening/magnetic separation equipment are led to the material storage equipment; the tail slag deep processing system is connected with a fine tail slag device and comprises a drying mechanism, a coarse grinding mechanism, a fine grinding mechanism, a first winnowing mechanism, a second winnowing mechanism, a first magnetic separation mechanism, a second magnetic separation mechanism and a steel slag fine powder groove. By the combination of the structures of the system, the design construction of the system for converting the steel slag into the renewable resources, which is clean and environment-friendly and reduces occupation space, is realized.

The invention relates to a foundation processing engineering technology, and specifically relates to a construction process of a prestressed static pressure pipe pile, which is characterized in that in construction, the pile pressing force of a pile driver can be not less than 1.2 times the standard value of vertical limit bearing capacity of a single pile, and the deviation of the formed pile is controlled between 2mm and 5mm; the verticality of a pile body is controlled at plus or minus 3mm, and the number of pile extension welding layers is not less than 2; and the time of natural cooling is about 8 to about 10 minutes, and the dislocation deviation of two pile hearts is not greater than 2mm. The method has the beneficial effects that the self weight of a pile driving mechanism of a static pile driver and a counter weight on a pile frame are used as a reaction force to press precast piles into the ground, so that the impact on the surrounding building environment and underground pipelines is reduced, the problems that the pipe pile body is easily broken and crushed or the pipe pile is longitudinally cracked by the too large pile pressing force (clamping force) are solved, and the construction can be carried out in fields in which more underground obstructions or boulders exist.

The invention provides a fabricated wallboard and a manufacturing method thereof. The fabricated wallboard comprises prefabricated wallboard modules, wherein each prefabricated wallboard module comprises an outer frame, embedded steel plates and a filling wall body; the outer frame is formed by pouring reinforced concrete; the embedded steel plates are embedded in the periphery of the outer frame; the filling wall body is filled in the outer frame; the outer side of the filling wall body is adhered to the inner side of the outer frame; and the embedded steel plates of two adjacent prefabricated wallboard modules are welded. According to the fabricated wallboard and the manufacturing method thereof provided by the invention, the construction period can be shortened, the construction cost is reduced, and the construction site is clean.

The invention belongs to the technical field of precast piles, and particularly relates to a precast pile construction method capable of dissipating foundation soil pore water pressure and preventinga pile body from floating. By changing the stress state of the precast pile in the construction process, an added drainage plate is attached to the pile body of the precast pile and enters a preset stratum along with pile sinking of the precast pile, and construction equipment does not need to be added, then the pore water pressure generated in foundation soil in the precast pile construction process can be effectively dissipated, floating and horizontal displacement generated in the precast pile construction process are effectively controlled, damage to surrounding adjacent buildings, roads and pipelines is avoided, and the influence on the surrounding environment is reduced.

The invention provides a welding, polishing and dust removal integrated platform. The welding, polishing and dust removal integrated platform comprises a polishing platform; a supporting frame is mounted on the polishing platform, and four supporting rods are mounted at the bottom of the polishing platform; an LED explosion-proof lamp is mounted on the polishing platform, and a spark rebounding prevention extra-thick densified iron net is mounted on the inner side of the polishing platform; a one-key full control button is mounted on the front side of the polishing platform, a honeycomb-type high-quality floor platform is mounted on the polishing platform, and a V power socket box is mounted on one side of the one-key full control button. Through the honeycomb-type high-quality floor platform arranged on a funnel, large-particle dust is convenient to collect, through arrangement of a filter mechanism, spark dust smoke containing fine particles enters a cyclone filter pipeline, dust-containing gas enters the filter mechanism after being collected, purified air is filtered and then discharged to the standard, a water filter internal structure is concise, the service life is long, thestability property is good, and vulnerable parts are low in replacement cost.

The invention provides an artificial feeding method of fragrant pear euzophera pyriella. The method includes screening bacterial strains of pear tree rotting bacteria, and culturing the bacterial strains on a PDA culture medium to be in a bacterial cake state for standby use; enabling pupas of the fragrant pear euzophera pyriella to be transformed into adults through emergence, placing the adults into an insect feeding cage with hydromel according to a female-male ratio of 1:1 for mating, and taking out females after mating and placing the same in a preservation box for oviposition; hatching out larvas after eggs are conventionally disinfected, and connecting the larvas into a culture dish which grows to be a bacterial cake until the larvas are transformed into pupas. The artificial feeding method is simple and convenient, a pear tree rotting bacterium cake is taken as feed of the fragrant pear euzophera pyriella to complete the life story of the fragrant pear euzophera pyriella, and a lot of undamaged eggs and accurate larvas and pupas at all ages can be obtained without damaging the eggs and the larvas. The artificial feeding method has the advantages of short developmental duration, high survival rate and the like, and experimental population is provided for in-depth and systematic study of the fragrant pear euzophera pyriella in the field of biology, ecology, prevention and control technology and the like.

The invention provides a multifunction pipe rolling machine which comprises a machine shell, a pressure gage, a plurality of operation keys, a plurality of wear-resisting pipe opening plate and a master gas inlet. The pressure gage, the operation keys, the wear-resisting pipe opening plate and the master gas inlet are arranged on the machine shell. A main control circuit board, a transformer set, a plurality of pipe rolling unit sets and a one-to-more-dividing gas pipe connector are arranged in the machine shell, and a first supporting column and a second supporting column which are used for supporting the pipe rolling unit sets in a connecting mode are arranged in the machine shell. The pipe rolling unit sets are arranged from top to bottom in a layering mode. The master gas inlet is connected with the one-to-more-dividing gas pipe connector through a first connecting gas pipe, and the operation keys are all connected with the main control circuit board. According to the multifunction pipe rolling machine, the pipe rolling unit sets which are arranged from top to bottom in the layering mode are used, gas pipe winding is convenient, pipe shrinking is easy, a protecting mechanism is perfect, mounting is easy, and the product using range is wide.

A high-bearing-capacity micro-settlement shearing resistant prestressed pipe pile is provided with a cylindrical prestressed reinforced concrete pile body and is characterized in that a grouting pipe is arranged in a pipe cavity or the pipe wall of the prestressed pipe pile, a pile large end formed by cement slurry poured in after pile forming is arranged at the end of the pipe pile, and a reinforcement cage is placed into the pipe cavity and concrete is poured when the material strength of the pile body is smaller than the sum of side resistance and end bearing capacity of the soil layer to form a reinforced concrete pile core. Compared with the originally designed punched and drilled pile, the engineering pile production price can be reduced by 50-70%, the construction period is shortened by 60-70%, mud pollution is avoided, the field is clean and civilized, and the post-construction settlement amount is small. Compared with the existing prestressed pipe pile, the single pile bearing capacity of the prestressed pipe pile is greatly improved, the number of the piles used in projects is reduced, production cost is reduced and the construction period is shortened.

The invention provides a large take-up reel used for engineering. The large take-up reel comprises an upper frame, a winding roll, a coil spring and a lower frame, wherein the upper frame, the winding roll, the coil spring and he lower frame are arranged in sequence from top to bottom; the two frames are fixedly connected, a round cavity used for containing the winding roll and the coil spring is formed between the two frames; the opening of the cavity is provided with a line discharging device; the upper frame is provided with a lock mechanism used for controlling the winding roll to rotate; the winding roll comprises a pay-off rack and a connecting shaft; the upper end and the lower end of a connecting shaft are respectively in rotatable connection with the two frames; the inner radial end and the outer radial end of the coil spring are respectively in fixed connection with the bottom of the connecting shaft and the lower frame; one end of a cable passes through the inside of the connecting shaft to be connected with power supply equipment, and the other end of the cable passes through the line discharging device to be connected with electric equipment; when the cable is discharged, the cable drives the winding roll to rotate, energy is stored through the coil spring, and on the contrary, when the coil spring is reset and the winding roll is driven to reversely rotate, a cable take-up work is finished. The large take-up reel is smooth in taking up and paying off, line discharging directions and length can be regulated at will, and a working range is large.

The invention provides a cutting cooling fluid which comprises the following components in percentage by volume: 10-13% of a lubricant, 4.4-12.5% of a surfactant, 7-18.5% of an anti-foaming agent, 2-6% of a softening agent, 20-25% of an anti-rusting agent and a solvent, namely deionized water. The cutting cooling fluid has the beneficial effects that the cutting cooling fluid has no bubbles and is not misted when used, a machine tool can be clean, an operation site can be clean, and a working environment is improved; the cutting cooling fluid is long in circulation service life, waste liquid emission is reduced, and resources are saved; and the cutting cooling fluid is safe to use as no sodium nitrite is used.

The invention belongs to the field of garden foundation tamping equipment, and particularly relates to a foundation tamping device for garden construction. The foundation tamping device for garden construction comprises a horizontally-arranged fixed table, convex driving wheels are rotationally connected to the side walls of the two sides of the fixed table, two vertically-arranged fixed rods are fixedly connected to the upper side wall of the fixed table, a rotating plate is movably connected to a position between the two fixed rods, the two ends of the lower side wall of the rotating plate are each rotationally connected with two sets of rotating telescopic rods, the lower end of each rotating telescopic rod is rotationally connected with a sliding block, the sliding blocks are slidably connected with the upper side wall of the fixed table, a tamping mechanism is arranged in the fixed table, the tamping mechanism comprises two fixed grooves which are symmetrically formed in the lower bottom face of the fixing table, a positioning frame is slidably connected into each fixed groove, and tamping blocks are slidably connected into the positioning frames. According to the foundation tamping device for garden construction, the two convex driving wheels are arranged, the two convex driving wheels can pull two movable rods respectively, namely, a rotating plate can be driven to rotate in the two directions, and therefore alternate conversion of the two tamping blocks is achieved, and use is more convenient.

The invention discloses a low-voltage wireless self-walking system and a using method thereof. The low-voltage wireless self-walking system comprises a distribution box; a first transformer is installed on the distribution box and used for converting a power frequency high-voltage power supply input into the distribution box into a low-voltage transmission power supply, and the low-voltage transmission power supply is connected with a track for conduction; the track is connected with the input end of a second transformer, so that a track car can walk on the rail; an electricity collecting claw, a second transformer, a driving motor, a driving wheel and a frequency converter are arranged on the track car; the electricity collecting claw is used for collecting the low-voltage transmission power supply from the rail and transmitting the low-voltage transmission power supply to the second transformer, the second transformer is used for converting the low-voltage transmission power supply collected by the electricity collecting claw into a power-frequency high-voltage power supply and transmitting the power-frequency high-voltage power supply to the frequency converter and the driving motor, and an output shaft of the driving motor is in transmission connection with the driving wheel. Through one-time voltage reduction in the distribution box and one-time voltage boosting in the distribution box of the track car, low-voltage safe transmission is achieved through the rail, a transmission cable is omitted, operation is safer and more efficient, and the track car field is cleaner and tidier.

The invention provides a mud-free circle diameter fender post capable of being constructed quickly for a soft soil foundation. The mud-free circle diameter fender post is characterized in that an outer steel pipe is clamped by a hydraulic clamp of a vibration hammer of a multifunctional pile machine, wherein the outer steel pipe and an inner steel pipe are connected through a flange plate; an openable and closable double-valve which is pulled upwards by two steel wire ropes is arranged at a port of the lower part of the inner steel pipe, and the distance between the inner steel pipe and the outer steel pipe is 20 mm; when the vibration hammer vibrates and presses the double steel pipes downwards, the double-valve is opened, miscellaneous fill, sludge and clay enter the inner steel pipe, the double steel pipes sink to the designed elevation, the two steel wire ropes are tightened, the double-valve is closed, the hydraulic clamp loosens the outer steel pipe, the inner steel pipe and soilin the pipe are lifted upwards to the outside of the post, a reinforcement cage is placed in the outer steel pipe, concrete is poured, then the outer steel pipe is clamped by the hydraulic clamp of the vibration hammer, vibration and upward pulling are conducted, the outer steel pipe is lifted out of the ground, and the post is formed after the concrete is solidified. Compared with an existing common drilling cast-in-place pile constructed through a rotary drilling machine, the mud-free circle diameter fender post has obvious advantages that mud is not generated in construction, the site is clean, the construction speed is increased by 1-2 times, and the outward transport cost is further reduced.