8results about How to "Easy to remove slag" patented technology

The invention relates to the technical field of sewage purification and treatment, in particular to a garden landscape sewage purification and circulation treatment device which comprises a main body shell, the main body shell is located in the center of garden landscape through a supporting table, a water inlet is formed in the outer side of the main body shell, and a water outlet is formed in the bottom end of the main body shell; the rotary filter cylinder unit comprises a first storage cylinder and a filter cylinder, and the self-cleaning unit comprises a cleaning disc, a cleaning brush and a cleaning scraper; a first connecting pipe communicated with the first storage cylinder is arranged on the outer side of the second storage cylinder, a first pump body is arranged on the outer side of the first connecting pipe, and a water drainage pipe is arranged at the bottom end of the second storage cylinder; the cleaning brush and the cleaning scraper are driven by the cleaning disc to continuously scrape and sweep the inner wall of the filter cartridge, so that automatic online cleaning is realized, frequent manual disassembly and cleaning are not needed, the maintenance cost and the labor intensity are reduced, and continuous water purification circulation is ensured.

The application discloses a smelting furnace crucible anti-oxidation protection device and belongs to the technical field of smelting furnace crucible protection. The smelting furnace crucible anti-oxidation protection device is characterized by the following steps: inserting the flange crucible into the mounting through hole; after smelting is completed, retracting the telescopic end of the electric push rod, driving the push frame to slide reversely along the limiting slide rod, pushing the protection sealing cover plate to slide to the outside of the furnace body along the T-shaped guide slide bar through the pushing block, moving the push plate one away from the push plate two, gradually resetting the overlapping position of the push sliding groove one and the push sliding groove two, driving the push sliding frame to move reversely, synchronously separating the moving pressing strip from the flange of the crucible, reversely sliding the pushing block along the lifting sliding groove, pushing the linkage lifting strip to extend upward from the rectangular through slot, stably lifting the flange crucible, and directly taking out the lifted flange crucible from the mounting through hole after the protection sealing cover plate is completely opened, thereby completing dismounting.

The application provides an acid core wire and a preparation method and application thereof, and particularly relates to the technical field of welding materials. The core wire comprises a steel belt sheath and a core filled in the steel belt sheath. The core comprises the following components in percentage of mass: 35-50% of rutile, 2.5-5% of zircon sand, 2.5-5% of potassium feldspar, 1.5-3% of potassium fluozirconate, 1.5-3% of quartz, 15-20% of metallic manganese, 3-5% of ferrosilicon, 15-20% of nickel powder, 1-2% of cobalt powder, 1-2% of molybdenum powder, 1-2% of aluminum-zirconium alloy, 1.5-3.5% of magnesium powder, 1-2% of perovskite, and the rest is atomized iron powder. The acid core wire has good welding process, good arc stability, less spatter, good appearance of weld formation, good deslagging property, high deposition rate and deposition rate, and the weld has the characteristics of high strength, high low-temperature impact toughness and corrosion resistance, and can meet the use requirement of high-strength Q690 rack steel.

The utility model discloses a movable type grinding fluid on-line filtering device which comprises a movable box body, a precise filtering unit used for filtering grinding fluid and a residue discharging unit used for collecting and separating filter residues are arranged in the box body, a filtering liquid inlet in the bottom of a filtering tank in the precise filtering unit is communicated with a residue discharging pipe, and a filtering liquid outlet in the bottom of the filtering tank is communicated with the residue discharging pipe. The precise filtering unit is arranged in the box body, the residue discharging unit comprises a residue discharging barrel, a filtering basket and a residue inlet, the filtering basket is arranged in the residue discharging barrel, the residue inlet is formed above the filtering basket, and the residue inlet is connected with a residue discharging pipe. And the whole device can be conveniently moved and transferred.

The utility model belongs to molten aluminum vortex well system technical field discloses a kind of molten aluminum delivery filling block, and pump chamber block and vortex well chamber block are assembled together, including filling block main body, the filling block main body is cuboid refractory material block, the height of the filling block main body is consistent with the pump chamber block and vortex well chamber block, the length of the filling block main body is consistent with the width of the pump chamber block, the length of the vortex well chamber block is equal to the length of the pump chamber block plus the width of the filling block main body;The bottom of the filling block main body is provided with the flow channel of communicating double-chamber furnace and the pump chamber block.The utility model molten aluminum delivery filling block, and pump chamber block and vortex well chamber block are assembled together as the combination block body of cuboid appearance, and it plays a stable supporting role to molten aluminum vortex well system.

The invention discloses a high fracture toughness flux-cored wire for ocean engineering, which comprises a carbon steel sheath and powder filled in the sheath, and is characterized in that the powder comprises non-metal powder and metal powder; the non-metal powder comprises the following components in parts by weight: 360-380 parts of titanium dioxide; 13 to 25 parts of quartz; 40 to 50 parts of potassium silicotitanate; 35 to 55 parts of sodium silicotitanate; and 13-18 parts of cryolite. The welding wire is suitable for multi-layer and multi-pass welding of an EH36 steel plate with the thickness of 80 mm; and the welding heat input is controlled to be 12-25 kJ / cm, and good process adaptability is achieved.

The utility model belongs to the technical field of fryers, and discloses a residue removal device of a fryer, which comprises an oil storage tank, the bottom wall of the inner cavity of the oil storage tank is of a step-shaped structure, the step-shaped structure comprises a first bottom surface, a second bottom surface and an inclined surface, the inclined surface is positioned between the first bottom surface and the second bottom surface, and the first bottom surface is higher than the second bottom surface; an oil discharging pipe is installed in the second bottom face and communicates with the oil storage tank, an electromagnetic valve is installed on the oil discharging pipe, a filter screen frame is installed in an inner cavity of the oil storage tank and driven by a first driving device, a second fixing frame is installed on the outer surface of the oil storage tank, and a second driving device is installed on the second fixing frame; the second driving device can drive the first driving device and the filter screen frame to rotate, and a plurality of circular filter holes are formed in the bottom wall of an inner cavity of the filter screen frame. The automatic oil residue removing device not only can automatically remove oil residues, but also is time-saving and labor-saving, has high residue removing efficiency, and can prolong the service time of frying oil and prevent the frying oil from going bad due to residues.

This invention discloses a flux for double-wire submerged arc deep penetration welding of H-beams, its preparation method, and welding method. The flux raw materials include magnesite, wollastonite, white corundum, manganese oxide powder, mica, kaolin, titanium diboride powder, zircon, and scandium oxide powder. The flux composition, by mass percentage, includes: MgO: 10%–25%; Al2O3: 25%–40%; SiO2: 15%–30%; P: ≤0.02%; S: ≤0.02%; K2O: ≤3%; CaO: 3%–10%; TiB2: 1%–5%; MnO: 6%–10%; Fe2O3: 1%–6%; ZrO2: 3%–8%; Sc2O3: 1%–3%. The flux of this invention protects the weld metal from harmful gases in the surrounding atmosphere when it is in the liquid state, eliminating welding defects such as porosity, slag inclusions, undercut, and cracks, ensuring full penetration of the web, good fusion of the flanges and weld formation, and improving the strength and toughness of the weld by transition alloying elements.